CN203730628U - Shock absorber assembly and bumper block structure for shock absorber assembly - Google Patents
Shock absorber assembly and bumper block structure for shock absorber assembly Download PDFInfo
- Publication number
- CN203730628U CN203730628U CN201420075373.0U CN201420075373U CN203730628U CN 203730628 U CN203730628 U CN 203730628U CN 201420075373 U CN201420075373 U CN 201420075373U CN 203730628 U CN203730628 U CN 203730628U
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- negative poisson
- ratio
- vibration damper
- block structure
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Abstract
The utility model discloses a bumper block structure for a shock absorber assembly. The bumper block structure for the shock absorber assembly comprises a top portion, a base and a negative poisson's ratio component which is arranged between the top portion and the base, the negative poisson's ratio component comprises a plurality of layers of negative poisson's ratio modules, the negative poisson's ratio modules comprise support layers and connecting layers which are connected with the support layers, the support layers which are arranged on adjacent negative poisson's ratio modules are connected with the connecting layers, the negative poisson's ratio modules comprise a plurality of negative poisson's ratio units, and the negative poisson's ratio units are of hollow structures which are formed by enclosing the support layers through the connecting layers. The utility model further discloses a shock absorber assembly. The shock absorber assembly and the bumper block structure thereof are reasonable in structural design, can be obtain a desired nonlinear stiffness value, improve driving smoothness of vehicles, and further improve impact load resistance capacity of bumper blocks.
Description
Technical field
The utility model relates to automobile manufacturing field, relates in particular to a kind of vibration damper assembly and buffer block structure thereof.
Background technique
Vibration damper complement is the important performance part of vehicle, and it plays the effect of buffering road shocks, decay suspension and vehicle body vibrations.Buffer stopper is as one of important composition member of vibration damper complement, its rigidity property directly affects vibration damper and alleviates the effect of impacting and shaking, affect control stability and the riding comfort of vehicle, its endurance quality also directly affects the working life of vibration damper complement.
In prior art, the buffer stopper that vibration damper complement is used is all the entity structure that polyurethane material is made mostly, sort buffer piece is due to material behavior and the factor such as structural design is unreasonable, often do not reach the non-linear rigidity curve requirement of expectation, shown in Figure 7, be the stiffness curve of polyurethane material buffer stopper in prior art and the comparison diagram of desirable stiffness curve, wherein, curve m is the stiffness curve that current polyurethane material buffer stopper can reach, the stiffness curve that curve n reaches for expectation.From this comparison diagram, the buffer stopper that conventional urethane material is made is in the situation that stressed compression degree is lighter, and its buffer function that can play is general.
To sum up, the buffer stopper of traditional structural design is to cause one of the smoothness on vehicle overbump road surface and reason of braking nose dive poor-performing.Meanwhile, existing buffer stopper shock resistance is not good enough, and in vehicle durable road examination, long-term impact may cause buffer stopper cracking or damaged.
Model utility content
Technical problem to be solved in the utility model is, a kind of vibration damper assembly and buffer block structure thereof are provided, and reasonable in design, can obtain the non-linear rigidity value of expecting, improve the smoothness of Vehicle Driving Cycle, further improve the ability of buffer stopper opposing impact load.
In order to solve the problems of the technologies described above, embodiment of the present utility model provides a kind of buffer block structure for vibration damper assembly, comprise: top, base and be arranged on top and base between negative poisson ' s ratio assembly, negative poisson ' s ratio assembly comprises multilayer negative poisson ' s ratio module, negative poisson ' s ratio module comprises: supporting layer and the tie layer being connected with supporting layer, and the supporting layer that adjacent negative poisson ' s ratio module has is respectively connected with tie layer; Negative poisson ' s ratio module comprises a plurality of negative poisson ' s ratios unit, and negative poisson ' s ratio unit is the hollow structure being formed by tie layer enclosing supporting layer.
Wherein, the cross section of negative poisson ' s ratio unit is any in quadrilateral, indent quadrilateral, Hexagon and indent Hexagon.
Wherein, supporting layer is individual layer ring structure, its circumferential a plurality of V-structures of establishing around its central axis that comprise.
Wherein, supporting layer at least comprises the first side wall and the second sidewall that is mutually several angle setting, and two side is connected and forms negative poisson ' s ratio unit by tie layer enclosing.
Wherein, tie layer is individual layer ring structure, its circumferential a plurality of cell bodies of establishing around its central axis that comprise, and the two ends that the two ends of a plurality of cell bodies are connected with two side are respectively suitable.
Wherein, supporting layer is multilayer ring structure, its circumferential multi-turn V-structure for establishing around its central axis, and adjacent multi-turn V-structure is set to parallel or staggered.
Wherein, top, supporting layer, tie layer and base adopt commaterial to make, one-body molded between it.
Wherein, top, supporting layer, tie layer and base adopt different materials to make, and adopt to be adhesively fixed to be connected as a single entity between it.
The number of the negative poisson ' s ratio unit that wherein, the floor height of the number of plies of negative poisson ' s ratio assembly, negative poisson ' s ratio module and negative poisson ' s ratio module have is made as respectively adjustable.
For solving the problems of the technologies described above, the utility model also provides a kind of technological scheme with the vibration damper of above-mentioned buffer stopper.
Vibration damper assembly provided by the utility model and buffer block structure thereof, there is following beneficial effect: owing to arranging in order to obtain the negative poisson ' s ratio assembly of non-linear rigidity value between top and base, negative poisson ' s ratio assembly comprises multilayer negative poisson ' s ratio module, negative poisson ' s ratio module comprises supporting layer and the tie layer being connected with supporting layer, and the supporting layer that adjacent negative poisson ' s ratio module has is respectively connected with tie layer; Tie layer enclosing supporting layer forms a plurality of negative poisson ' s ratios unit, by the two ends of negative poisson ' s ratio unit, it is compressed and can make it shrink with the perpendicular direction side of compression direction.By structural design reasonably, obtain the non-linear rigidity value of expectation, improve the smoothness of Vehicle Driving Cycle, further improve the ability of buffer stopper opposing impact load.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model embodiment vibration damper assembly buffer stopper.
Fig. 2 is the local structure for amplifying schematic diagram of the utility model embodiment vibration damper assembly buffer stopper.
Fig. 3 is the stressed contraction sketch of the negative poisson ' s ratio assembly of the utility model embodiment vibration damper assembly buffer stopper.
Fig. 4 is the negative poisson ' s ratio unit sketch of the utility model embodiment vibration damper complement buffer stopper.
Fig. 5 is the negative poisson ' s ratio unit force analysis figure of the utility model embodiment vibration damper complement buffer stopper.
Fig. 6 is the combination stressed analysis chart of the negative poisson ' s ratio unit of the utility model embodiment vibration damper complement buffer stopper.
Fig. 7 is the stiffness curve of polyurethane material buffer stopper and the comparison diagram of desirable stiffness curve in prior art.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
In conjunction with referring to shown in Fig. 1-Fig. 5, be the embodiment one of the utility model vibration damper assembly buffer stopper.
As shown in Figure 1, be the structural representation of the utility model embodiment vibration damper assembly buffer stopper.Vibration damper assembly and buffer block structure thereof in the present embodiment comprise: top 1, base 3 and be arranged on top 1 and base 3 between negative poisson ' s ratio assembly 2, negative poisson ' s ratio assembly 2 comprises multilayer negative poisson ' s ratio module 2a, 2b or 2c, negative poisson ' s ratio module 2a, 2b or 2c comprise: supporting layer 21 and the tie layer 22 being connected with supporting layer 21, adjacent negative poisson ' s ratio module 2a, the supporting layer 21 that 2b or 2c have is respectively connected with tie layer 22; Negative poisson ' s ratio module 2a, 2b or 2c comprise a plurality of negative poisson ' s ratios unit T, negative poisson ' s ratio unit T is the hollow structure being formed by tie layer 22 enclosing supporting layers 21.
During concrete enforcement, the cross section of negative poisson ' s ratio unit T can be any in quadrilateral, indent quadrilateral, Hexagon and indent Hexagon, wherein: by the two ends of negative poisson ' s ratio unit T, it is compressed and can make it shrink with the perpendicular direction side of compression direction.
Negative poisson ' s ratio assembly 2 in the present embodiment refer to have that load cure is pressed stronger and stronger, good impact-absorbing performance, good anti-breach and the structure of break resistance and lightweight advantage.Wherein: Poisson's ratio is negative material transverse strain and the ratio of longitudinal strain, it is the elastic constants of reflection material lateral deformation.Conventionally the Poisson's ratio of material be on the occasion of, if i.e. expanded material in certain direction can shrink in perpendicular direction; Equally, if compression material in one direction can expand in perpendicular direction.And negative poisson ' s ratio assembly 2 in the present embodiment is just contrary with conventional material, when it being stretched in certain direction, its can with the perpendicular direction of this draw direction on expand.When it being compressed in certain direction, can with the perpendicular direction of this compression direction on shrink.
The above-mentioned characteristic of negative poisson ' s ratio assembly 2 realizes by following structure.In the present embodiment, negative poisson ' s ratio assembly 2 comprises nine layers of negative poisson ' s ratio module, has illustrated 2a, tri-layers of 2b and 2c, and every layer of negative poisson ' s ratio module 2a, 2b or 2c include: supporting layer 21 and the tie layer 22 being connected with supporting layer 21.Wherein: supporting layer 21 is individual layer ring structure, be made as circularly in the present embodiment, in supporting layer 21 circumferential, be provided with a plurality of concave V-structures, this concave V-structure is established around the central axis of supporting layer 21.
Further, refer to Fig. 2, local structure for amplifying schematic diagram for the utility model embodiment vibration damper assembly buffer stopper, above-mentioned concave V-structure is mainly by being mutually several angle and connected the first side wall 211 and the second sidewall 212 forms, the second sidewall 212 is in two side 211,212 opening end be connected with the thickness of a thickness and two side 211,212 identical keep out wall 213.The opposite side of keeping out wall 213 connects sides adjacent and is mutually the first side wall 211 in several angle two side 211,212, so just at the circumferential V-structure that forms a plurality of concaves of supporting layer 21, and symplex structure centered by this structure.In the present embodiment, the angle (α shown in Fig. 4) between the first side wall 211 and the second sidewall 212 can exert an influence to the non-linear rigidity of buffer structure, following detailed description.
Further, tie layer 22 is individual layer ring structure, is made as circularly in the present embodiment, and diameter is identical with the diameter of supporting layer 21, tie layer 22 circumferential is interval with a plurality of cell bodies 221, and the plurality of cell body 221 is established around the central axis of tie layer 22.Wherein: the interval between a plurality of cell bodies 221 is made as equidistantly, its setting position is corresponding with the position that above-mentioned supporting layer 21 arranges the first side wall 211 and the second sidewall 212.
Particularly, when tie layer 22 is connected with supporting layer 21, in the present embodiment, make to stick with glue connection, the closed side that supporting layer 21 the first side walls 211 are connected with the second sidewall 212 just can correspondence be placed in a plurality of cell bodies 221, and above-mentioned supporting layer 21 has, keeps out the link position that wall 213 just can be pressed on 221 of two cell bodies that the negative Poisson assembly tie layer 22 of last layer has.By mode like this, assemble, it is stacked bonding that tie layer 22 and supporting layer 21 carry out interval, and in top and bottom, bonding top 1 and the rear formation of base 3 are above-mentioned respectively has a multi-layer structure negative poisson ' s ratio assembly 2.
Further, above-mentioned the first side wall 211 and second sidewall 212 with certain angle of tie layer 22 enclosings of adjacent two layers forms a negative poisson ' s ratio unit T, the height that mutually bonding supporting layer 21 and tie layer are 22 is the floor height of negative poisson ' s ratio module, and the group number of set the first side wall 211 and the second sidewall 212 is the number of the negative poisson ' s ratio unit T that has of negative poisson ' s ratio module.
In the present embodiment, negative poisson ' s ratio unit T is the hollow structure that cross section is indent quadrangle form.Be understandable that, when tie layer 22 does not arrange above-mentioned cell body 221 but during a circular slab construction, the hollow structure that negative poisson ' s ratio unit T is just quadrangle form for cross section.Below describe the mode that negative poisson ' s ratio unit T can obtain the non-linear rigidity value of expectation when being subject to force compresses in detail.
As shown in Figure 3, stressed contraction sketch for the negative poisson ' s ratio assembly of the utility model vibration damper assembly buffer stopper, wherein: diagram left side for cross section be that in the present embodiment, the internal structure of the tetragonal negative poisson ' s ratio assembly 2 of indent under reset condition illustrated, diagram right side be in embodiment the tetragonal negative Poisson assembly 2 of indent when above-below direction (plane) compresses as shown in Figure 3, the internal structure signal of compressing at left and right directions as shown in Figure 3 (plane, stereo product is actual in circumferential).Hence one can see that, while specifically implementing, when the two ends by negative poisson ' s ratio assembly are compressed it, can make it shrink with the perpendicular direction side of compression direction.
Referring to Fig. 4, be the negative poisson ' s ratio unit sketch of the utility model embodiment vibration damper complement buffer stopper, wherein: a negative poisson ' s ratio unit can be reduced to an indent quadrilateral structure.The design variable of indent quadrilateral structure comprises h, w, α and β, revise the negative poisson ' s ratio characteristic that above-mentioned any one variable can change negative poisson ' s ratio unit, it coordinates the number of plies of the included negative poisson ' s ratio assembly of whole buffer stopper and the negative poisson ' s ratio unit number that every layer comprises, the non-linear rigidity curve requirement that just can realize ideal.
Particularly, as shown in Figure 5, force analysis figure for the negative poisson ' s ratio unit of the utility model embodiment vibration damper complement buffer stopper, when indent quadrilateral structure is subject to downward as shown in Figure 4 compressive load F, if fixedly A point is motionless, D point moves downward D ' point along Y-direction, and B point moves to B ' point along X-direction, C point moves to C ' point along X-direction, and the effect of generation is that AB limit, AC limit, BD limit and the CD limit tetragonal center that all concaves is drawn close.
As shown in Figure 6, combination stressed analysis chart for the negative poisson ' s ratio unit of the utility model embodiment vibration damper complement buffer stopper, when the negative poisson ' s ratio assembly 2 being stacked together by a plurality of negative poisson ' s ratios unit T is subject to the compressive load of above-below direction as shown in Figure 6, transfer function due to power between adjacent negative poisson ' s ratio unit T, the Bian Douxiang center of effort of all negative poisson ' s ratios unit T is drawn close, therefore, the density of material at buffer stopper center increases, form a kind of effect of reinforcing material, strengthen the ability of opposing impulsive load.
In other mode of execution of the utility model vibration damper assembly buffer stopper, by changing the number of plies of negative poisson ' s ratio module and the floor height of negative poisson ' s ratio module, all can affect the nonlinear curve rigidity of vibration damper complement buffer stopper, it is adjustable by above-mentioned parameter is made as, more easily realize the functional direction design of vibration damper complement buffer stopper, can access different non-linear rigidity values, therefrom find the non-linear rigidity value of expectation, improve the smoothness of Vehicle Driving Cycle.
Simultaneously, supporting layer 21 can also be made as multilayer ring structure, for example: the circumferential of supporting layer 21 can be the multi-turn V-structure of establishing around its central axis, adjacent multi-turn V-structure is set to parallel or staggered, and so just can realize negative poisson ' s ratio unit T is that cross section is the hexagonal negative poisson ' s ratio structure of Hexagon or indent.Certainly, can be also the negative poisson ' s ratio unit T of other polygonal cross-section shape, as long as meet negative poisson ' s ratio unit T, by two ends, be subject to force compresses can make it shrink with the perpendicular direction side of stressed compression direction.
In addition, supporting layer and tie layer can be made by same material not, for example: base and supporting layer are made by nylon material, and top and tie layer are made by polyurethane material, for another example: top, supporting layer, tie layer and base also can be one-body molded etc., and it does not all change the essence of the utility model vibration damper assembly buffer block structure.
The invention also discloses a kind of vibration damper assembly with above-mentioned buffer block structure, its embodiment is identical with the mode of execution of above-mentioned buffer stopper, repeats no more herein.
Vibration damper assembly of the present utility model and buffer block structure thereof, there is following beneficial effect: owing to arranging in order to obtain the negative poisson ' s ratio assembly of non-linear rigidity value between top and base, negative poisson ' s ratio assembly comprises multilayer negative poisson ' s ratio module, negative poisson ' s ratio module comprises supporting layer and the tie layer being connected with supporting layer, and the supporting layer that adjacent negative poisson ' s ratio module has is respectively connected with tie layer; Tie layer enclosing supporting layer forms a plurality of negative poisson ' s ratios unit, by the two ends of negative poisson ' s ratio unit, it is compressed and can make it shrink with the perpendicular direction side of compression direction.By structural design reasonably, obtain the non-linear rigidity value of expectation, improve the smoothness of Vehicle Driving Cycle, further improve the ability of buffer stopper opposing impact load.
Claims (10)
1. the buffer block structure for vibration damper assembly, it is characterized in that, comprise: top, base and be arranged on described top and described base between negative poisson ' s ratio assembly, described negative poisson ' s ratio assembly comprises multilayer negative poisson ' s ratio module, described negative poisson ' s ratio module comprises: supporting layer is connected with described tie layer with the tie layer being connected with described supporting layer, the described supporting layer that adjacent negative poisson ' s ratio module has respectively;
Described negative poisson ' s ratio module comprises a plurality of negative poisson ' s ratios unit, and described negative poisson ' s ratio unit is the hollow structure being formed by supporting layer described in described tie layer enclosing.
2. the buffer block structure for vibration damper assembly as claimed in claim 1, is characterized in that, the cross section of described negative poisson ' s ratio unit is any in quadrilateral, indent quadrilateral, Hexagon and indent Hexagon.
3. the buffer block structure for vibration damper assembly as claimed in claim 1 or 2, is characterized in that, described supporting layer is individual layer ring structure, its circumferential a plurality of V-structures of establishing around its central axis that comprise.
4. the buffer block structure for vibration damper assembly as claimed in claim 3, it is characterized in that, described supporting layer at least comprises the first side wall and the second sidewall that is mutually several angle setting, and described two side is connected and forms described negative poisson ' s ratio unit by described tie layer enclosing.
5. the buffer block structure for vibration damper assembly as claimed in claim 4, it is characterized in that, described tie layer is individual layer ring structure, its circumferential a plurality of cell bodies of establishing around its central axis that comprise, and the two ends of described a plurality of cell bodies are suitable with the two ends that described two side is connected respectively.
6. the buffer block structure for vibration damper assembly as claimed in claim 1 or 2, it is characterized in that, described supporting layer is multilayer ring structure, its circumferential multi-turn V-structure for establishing around its central axis, and described adjacent multi-turn V-structure is set to parallel or staggered.
7. the buffer block structure for vibration damper assembly as claimed in claim 1, is characterized in that, described top, described supporting layer, described tie layer and described base adopt commaterial to make, one-body molded between it.
8. the buffer block structure for vibration damper assembly as claimed in claim 1, is characterized in that, described top, described supporting layer, described tie layer and described base adopt different materials to make, and adopts to be adhesively fixed to be connected as a single entity between it.
9. the buffer block structure for vibration damper assembly as claimed in claim 1, it is characterized in that, the number of the negative poisson ' s ratio unit that the floor height of the number of plies of described negative poisson ' s ratio assembly, described every layer of negative poisson ' s ratio assembly negative poisson ' s ratio module and described every layer of negative poisson ' s ratio assembly negative poisson ' s ratio module have is made as respectively adjustable.
10. a vibration damper assembly, is characterized in that, described vibration damper assembly comprises the buffer block structure for vibration damper assembly as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075373.0U CN203730628U (en) | 2014-02-21 | 2014-02-21 | Shock absorber assembly and bumper block structure for shock absorber assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420075373.0U CN203730628U (en) | 2014-02-21 | 2014-02-21 | Shock absorber assembly and bumper block structure for shock absorber assembly |
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| CN203730628U true CN203730628U (en) | 2014-07-23 |
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| CN201420075373.0U Expired - Fee Related CN203730628U (en) | 2014-02-21 | 2014-02-21 | Shock absorber assembly and bumper block structure for shock absorber assembly |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104763772A (en) * | 2015-03-31 | 2015-07-08 | 华南理工大学 | Buffering and energy absorbing structure |
| CN104790554A (en) * | 2015-04-27 | 2015-07-22 | 中国地震局工程力学研究所 | Three-direction multiple annular type tuned mass damper damping device |
| CN104864016A (en) * | 2014-02-21 | 2015-08-26 | 广州汽车集团股份有限公司 | Vibration reducer assembly and buffer block structure thereof |
| CN106476881A (en) * | 2016-09-20 | 2017-03-08 | 南京航空航天大学 | A kind of negative poisson's ratio structure steering column and its method for designing |
| CN106907418A (en) * | 2017-01-20 | 2017-06-30 | 上海交通大学 | Phonon crystal negative poisson's ratio honeycomb vibration isolation anti-impact device |
| CN108317161A (en) * | 2018-01-10 | 2018-07-24 | 西交利物浦大学 | Lattice structure flexible hinge based on curve flexible unit |
| TWI643584B (en) * | 2017-02-21 | 2018-12-11 | 林雨萱 | Buffer structure |
| CN109944891A (en) * | 2019-04-12 | 2019-06-28 | 上海理工大学 | A kind of buffer of negative poisson's ratio structure |
| TWI704893B (en) * | 2017-02-21 | 2020-09-21 | 林雨萱 | Buffer structure |
| TWI704894B (en) * | 2017-02-21 | 2020-09-21 | 林雨萱 | Buffer structure |
| CN113833794A (en) * | 2021-09-24 | 2021-12-24 | 昆明理工大学 | Vibration isolation base with positive and negative Poisson's ratio honeycomb type structure |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104864016A (en) * | 2014-02-21 | 2015-08-26 | 广州汽车集团股份有限公司 | Vibration reducer assembly and buffer block structure thereof |
| CN104864016B (en) * | 2014-02-21 | 2017-08-22 | 广州汽车集团股份有限公司 | A kind of vibration damper assembly and its buffer block structure |
| CN104763772A (en) * | 2015-03-31 | 2015-07-08 | 华南理工大学 | Buffering and energy absorbing structure |
| CN104790554A (en) * | 2015-04-27 | 2015-07-22 | 中国地震局工程力学研究所 | Three-direction multiple annular type tuned mass damper damping device |
| CN104790554B (en) * | 2015-04-27 | 2017-02-01 | 中国地震局工程力学研究所 | Three-direction multiple annular type tuned mass damper damping device |
| CN106476881B (en) * | 2016-09-20 | 2019-04-09 | 南京航空航天大学 | A kind of design method of negative poisson's ratio structure steering column |
| CN106476881A (en) * | 2016-09-20 | 2017-03-08 | 南京航空航天大学 | A kind of negative poisson's ratio structure steering column and its method for designing |
| CN106907418A (en) * | 2017-01-20 | 2017-06-30 | 上海交通大学 | Phonon crystal negative poisson's ratio honeycomb vibration isolation anti-impact device |
| CN106907418B (en) * | 2017-01-20 | 2019-05-24 | 上海交通大学 | Phonon crystal negative poisson's ratio honeycomb vibration isolation anti-impact device |
| TWI643584B (en) * | 2017-02-21 | 2018-12-11 | 林雨萱 | Buffer structure |
| TWI704893B (en) * | 2017-02-21 | 2020-09-21 | 林雨萱 | Buffer structure |
| TWI704894B (en) * | 2017-02-21 | 2020-09-21 | 林雨萱 | Buffer structure |
| CN108317161A (en) * | 2018-01-10 | 2018-07-24 | 西交利物浦大学 | Lattice structure flexible hinge based on curve flexible unit |
| CN108317161B (en) * | 2018-01-10 | 2020-08-11 | 西交利物浦大学 | Lattice structure flexible hinge based on curve flexible unit |
| CN109944891A (en) * | 2019-04-12 | 2019-06-28 | 上海理工大学 | A kind of buffer of negative poisson's ratio structure |
| CN113833794A (en) * | 2021-09-24 | 2021-12-24 | 昆明理工大学 | Vibration isolation base with positive and negative Poisson's ratio honeycomb type structure |
| CN113833794B (en) * | 2021-09-24 | 2023-03-10 | 昆明理工大学 | Vibration isolation base with positive and negative Poisson's ratio honeycomb type structure |
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