JP2003202043A - Cushioning clip - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate the restriction to size by the use positions of a clip and adjust the absorbing characteristics of an impact force with a conventional inexpensive material. <P>SOLUTION: This cushioning clip receives the movement of a movable member moving close to a fixed member near the end thereof. The clip comprises a cushioning part 10 for absorbing the impact force and a locking part 20 connected to a specified mounting member 30. A partial hollow part 14 is formed in the cushioning part 10. By this, the absorbing level of the impact force can be adjusted by rather simple measures such as the selection of the size and position of the hollow part 14 without changing the size, profile, and material of the cushioning part 10. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock absorbing clip for absorbing the impact force by receiving the movement of a movable member at various opening / closing points of an automobile near its end.

[0002]

2. Description of the Related Art Conventionally, this type of clip has a buffer portion for receiving the movement of a movable member and a locking portion for mounting the entire clip at a predetermined position. Since the buffer portion is for receiving the movement of the movable member and elastically deforming to absorb the impact force at that time, it is formed of a soft material (rubber or elastomer resin) suitable for it. In general, the buffer section and the locking section are integrally formed of the same material, and the buffer section is in the form of a block.

[0003]

In the conventional clip, in order to adjust the impact force absorption characteristics, there is no choice but to change the size, outer shape or material of the cushioning portion. Changing the size or outer shape is restricted by the place where the clip is used, and changing the material may be restricted by cost. By the way, rubber and elastomer resin are more expensive as they are softer. SUMMARY OF THE INVENTION The present invention is intended to solve the above problems, and an object thereof is to eliminate restrictions such as size depending on the use position of a clip, and to make it possible to adjust impact absorbing characteristics even with an inexpensive material. .

[0004]

SUMMARY OF THE INVENTION The present invention is to achieve the above object. According to the invention of claim 1, the movement of the movable member approaching the fixed member is moved near the end thereof. A buffer clip for receiving the shock, which includes a shock absorbing portion for absorbing an impact force and a locking portion coupled to a predetermined mounting member, and a partial lightening portion is formed in the shock absorbing portion. With this configuration, the absorption level of the impact force can be adjusted without changing the size, outer shape, or material of the cushioning portion by a relatively simple measure such as selecting the size and position of the lightening portion. As a result, it is possible to adjust the cushioning force to some extent even with the use of an inexpensive material by eliminating restrictions such as the size depending on the use location of the clip.

A second aspect of the present invention is the cushioning clip according to the first aspect, wherein the lightening portion has a portion near the center of the cushioning portion and a portion for receiving an impact force in the cushioning portion. The shape is set so as to penetrate in a direction orthogonal to the axis connecting the locking portions. As a result, the cushioning portion is easily deformed and is suitable for a cushioning clip that requires a soft cushioning property.

According to a third aspect of the present invention, there is provided the cushioning clip according to the second aspect, wherein a convex portion is provided inside the lightening portion in a direction along the axis. With this convex portion, it is possible to prevent the buffer portion from being excessively deformed.

According to a fourth aspect of the present invention, there is provided the cushioning clip according to the first aspect, wherein the lightening portion and the portion that receives an impact force in the cushioning portion are substantially in the vicinity of the center of the cushioning portion. It is formed along the axis connecting the locking portion of and the opening of the buffer portion at the portion receiving the impact force. By opening the lightening portion in this manner, the cushioning force can be finely adjusted depending on the shape of the lightening portion.

A fifth aspect of the present invention is the cushioning clip according to the first aspect, wherein a portion of the cushioning portion that receives an impact force is provided with a fragile portion that is more flexible than other portions. . As a result, the shock absorbing characteristic of the shock absorbing portion has two levels, and one type of clip can be used at different locations having different bending amounts.

According to a sixth aspect of the present invention, there is provided a cushioning clip for absorbing a movement of a movable member approaching a fixed member near its end, the cushioning portion absorbing an impact force, and a predetermined mounting. And a locking portion coupled to the member. The buffer portion is made of a soft material and the locking portion is made of a hard material. The buffer portion encloses the base plate portion of the locking portion, and a core protruding into the buffer portion is provided on the base plate portion. According to this configuration, by selecting the size and position of the core, it is possible to adjust the impact absorption level without changing the size, outer shape, or material of the cushioning portion. Further, in the case of this configuration, it is suitable for a cushioning clip that requires appropriate hardness for the elastic characteristics of the cushioning portion.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. First, the first embodiment will be described with reference to FIGS.
1 is a front view showing a cushioning clip, FIG. 2 is a side view showing the cushioning clip, FIG. 3 is a bottom view showing the cushioning clip, and FIG. 4 is a sectional view taken along the line AA of FIG. This buffer clip is for absorbing the impact force that accompanies the opening and closing of the ashtray for automobiles. This cushion clip is a cushion portion 10 formed of a soft material such as an elastomer resin.
And the locking portion 20 formed of a hard material such as polypropylene (PP).

The buffer portion 10 has a truncated cone shape as a whole, and the top surface 12a of the main body 12 on the small diameter side receives an impact force. The base portion on the large diameter side located on the side opposite to the top surface 12a is the base portion 22 of the locking portion 20.
(FIG. 4), whereby the buffer portion 10 and the locking portion 20 are integrated. Further, the buffer unit 10 is
Near the center of the body 12, the top surface 12a and the locking portion 2
The lightening portion 14 penetrating in a direction orthogonal to the axis connecting 0 and
Is equipped with. That is, the lightening portions 14 are open on both sides of the main body 12. Inside the lightening portion 14, there is provided a convex portion 16 projecting upward from the lower surface on the axis.

The locking portion 20 includes a leg portion 24 extending downward from the base plate portion 22, and the leg portion 24 is inserted into a mounting hole 32 of a mounting member 30 shown by an imaginary line in FIG. The leg portion 24 has a boat bottom shape as a whole, and locking claws 26 are formed on flexible wall portions on both sides. A reinforcing rib 28 is formed at the center of the leg portion 24. By inserting the leg portion 24 into the mounting hole 32 from one side of the mounting member 30, both locking claws 26
Is bent and passes through the mounting hole 32 and is positioned on the opposite side of the mounting member 30 (FIG. 1). As a result, the locking portion 20 is coupled to the mounting member 30, and as a result, the cushioning clip is mounted on the mounting member 30.

In this embodiment, the mounting member 30 is a fixed member at a place where an ashtray (movable member) is mounted in the interior member of the automobile. However, when the movable member has a form like a door, a part of the movable member may be the attachment member 30. In any case, the buffer clip is provided at a position to catch the movement of the movable member approaching the fixed member near the end thereof.

In the cushioning clip of this embodiment,
By inserting the locking portion 20 into the mounting hole 32 of the mounting member 30 shown in FIG. 1, the buffer clip is mounted on the mounting member 30. When the mounting member 30 is a fixed member,
The movable member is received by the buffer 10 near the end of its movement. That is, the movable member is received by the top surface 12a of the main body 12 in the buffer section 10, and the main body 12 elastically deforms to absorb the impact force.

The level of absorption of this impact force is
By changing the size of the lightening portion 14 in 2,
Can be adjusted. Therefore, without using an expensive material for the main body 12, it is possible to adjust the cushioning force to some extent even with an inexpensive material. If the size, outer shape, or material of the main body 12 is changed, the adjustment range is further expanded. Further, the convex portion 16 provided inside the lightening portion 14 can prevent the main body 12 from being excessively deformed, and the cushioning force can be adjusted by changing the length or shape of the convex portion 16. It should be noted that the convex portion 16 is merely an auxiliary means for adjusting the absorption characteristic of the shock force by the buffer portion 10, and it is possible to omit this.

Thus, the buffer portion 10 made of a soft material
Can select the material by giving priority to the impact absorbing property. On the other hand, for the locking portion 20 made of a hard material, the leg portion 24 is attached to the attachment hole 3 of the attachment member 30.
The material is selected in such a manner that the degree of moderation due to the passage of the locking claw 26 at the time of inserting into 2 and the coupling force with respect to the mounting hole 32 are prioritized.

Next, a second embodiment will be described with reference to FIGS. FIG. 5 is a front view showing the cushioning clip of the second embodiment in a partial cross section, and FIG. 6 is a cross sectional view taken along the line BB of FIG. This buffer clip is for absorbing the impact force caused by opening and closing the glove box. The cushioning clip is roughly divided into a cushioning portion 40 formed of a soft material such as an elastomer resin and a locking portion 20 formed of a hard material such as PP. Regarding this locking portion 20,
The structure is the same as that of the first embodiment except that the position of the locking claw 26 in the leg portion 24 and the shape of the rib 28 are slightly different.

The buffer portion 40 has a truncated cone shape as a whole, and an impact force is received by the top surface 42a of the main body 42 on the small diameter side. The large-diameter base portion located on the side opposite to the top surface 42a is the base portion 2 of the locking portion 20.
2 is wrapped, whereby the buffer portion 40 and the locking portion 20 are integrated. Further, the buffer portion 40 is provided with a truncated cone-shaped lightening portion 44 inside the main body 42, and the lightening portion 44 is opened at the top surface 42 a of the main body 42.

Also in the cushioning clip of the second embodiment,
The locking portion 20 is shown in FIG.
It is attached to this attachment member 30 by inserting into. The movable member (glove box lid) is received by the buffer 40 near the end of its movement. That is, when the movable member is received by the top surface 42a of the main body 42, the main body 42 is elastically deformed and the impact force is absorbed. The shape of the lightening portion 44 in the buffer portion 40 is the main body 4
2 can give a soft cushion characteristic. Further, since the lightening portion 44 is opened at the top surface 42a of the main body 42 that receives an impact force, the cushioning force can be finely adjusted depending on its shape.

Next, a third embodiment will be described with reference to FIGS. FIG. 7 is a front view showing the cushioning clip of the third embodiment in a partial cross section, and FIG. 8 is a plan view of FIG. 7. This cushioning clip is for absorbing a relatively large impact force caused by opening and closing a back door for an automobile or the like. The cushioning clip is roughly divided into a cushioning portion 50 formed of a soft material such as an elastomer resin and a locking portion 70 formed of a hard material such as PP.

The buffer section 50 has a truncated cone shape as a whole, and an impact force is received by the small-diameter side top surface 52a of the main body 52. The large-diameter-side base portion located on the side opposite to the top surface 52a encloses the base plate portion 72 of the locking portion 70, whereby the buffer portion 50 and the locking portion 70 are provided.
And are integrated. The cushioning portion 50 includes a columnar lightening portion 54 inside the main body 52, and the lightening portion 54 is open at the top surface 52 a of the main body 52. The top surface 52a of the main body 52 is formed with a plurality of (four) grooves 55 that communicate from the outer peripheral portion to the opening of the lightening portion 54.

The locking portion 70 is provided with a leg portion 74 extending downward from the base plate portion 72, and the leg portion 74 is inserted into the mounting hole of the mounting member 31 (body panel) shown by the phantom line in FIG. Flexible locking claws 76 are formed on both sides of the leg portion 74, respectively. This leg part 74
Is inserted into the mounting hole from one side of the mounting member 31, both locking claws 76 bend and pass through the mounting hole and are positioned on the opposite side of the mounting member 31. As a result, the locking portion 70 is coupled to the mounting member 31, and as a result, the cushion clip is mounted on the mounting member 31.

The buffer clip of the third embodiment is attached to the mounting member 31 by inserting the locking portion 70 into the mounting hole of the mounting member 31 shown in FIG. Then, the movable member (such as a back door for automobile) is received by the buffer unit 50 near the end of the closing operation. That is, when the movable member is received by the top surface 52a of the main body 52, the main body 52 is elastically deformed and the impact force is absorbed. Further, since the shock absorbing portion 50 has the plurality of grooves 55 on the top surface 52a which first receives the impact force, the cushioning portion 50 softly receives the initial impact load, and thereafter exhibits cushioning characteristics based on the shape of the lightening portion 54. .

Next, a fourth embodiment will be described with reference to FIGS. 9 is a front view showing the cushioning clip of the fourth embodiment in a partial cross section, and FIG. 10 is a plan view of FIG. This cushioning clip is for absorbing a relatively large impact force similarly to the cushioning clip of the third embodiment, and is similar to that of the third embodiment and the cushioning portion 60 formed of a soft material such as an elastomer resin. And a locking portion 70.

The entire shape of the buffer section 60 is a truncated cone shape, and the top surface 62a of the main body 62 on the smaller diameter side receives an impact force. The large-diameter-side base portion located on the side opposite to the top surface 62a encloses the base plate portion 72 of the locking portion 70, whereby the buffer portion 60 and the locking portion 70 are integrated. The cushioning portion 60 is provided with a lightening portion 64 which is opened inside the main body 62 at the top surface 62a. This lightening portion 64 is a cylindrical straight portion 6
4a and a conical portion 64b having a shape that opens toward the top surface 62a on the opening side. The cushioning clip of the fourth embodiment exhibits almost the same impact force absorption characteristics as the cushioning clip of the third embodiment.

Next, a fifth embodiment will be described with reference to FIGS.
Will be explained. 11 is a front view showing the cushioning clip of the fifth embodiment in a partial cross section, and FIG. 12 is a side view of FIG. This cushioning clip is roughly classified into a cushioning portion 80 formed of a soft material such as an elastomer resin and a locking portion 90 formed of a hard material such as PP. The buffer portion 80 has a fragile portion 84 integrally formed on the smaller diameter side of the main body 82, and both the main body 82 and the fragile portion 84 have a truncated cone shape. In addition, a hole 86 that is open at the tip surface is provided at the center of the fragile portion 84. But body 82
Does not include the one corresponding to the lightening portion in each of the first to fourth embodiments.

In the main body 82 of the buffer portion 80, the large-diameter side base portion located on the side opposite to the fragile portion 84 encloses the base plate portion 92 of the locking portion 90, whereby the buffer portion 8 is formed.
0 and the locking portion 90 are integrated. Further, a lip portion 88 is continuously formed in the circumferential direction on the outer circumference of the main portion of the main body 82 on the large diameter side. The locking portion 90 also has leg portions 94 extending downward from the substrate portion 92,
This leg portion 94 is the mounting member 31 shown in phantom in FIG.
It is inserted into the mounting hole of (body panel). Leg part 94
Flexible locking claws 96 are respectively formed on both sides of the.

Also in the buffer clip of the fifth embodiment,
By inserting the locking portion 90 into the mounting hole of the mounting member 31, both locking claws 96 flexibly pass through the mounting hole and are positioned on the opposite side of the mounting member 31, and are mounted on the mounting member 31. At this time, the lip portion 88 is pressed against the surface of the mounting member 31 and elastically deforms, thereby increasing the degree of adhesion of the main body 82 to the mounting member 31.

The movable member is received by the buffer portion 80 near the end of its movement, but the initial impact load is absorbed by the elastic deformation of the weakened portion 84, and then the main body 82.
A predetermined impact force is absorbed by the elastic deformation of. Therefore, the shock absorbing property of the buffer portion 80 has two levels,
It is possible to use one type of cushioning clip at different places with different flexure amounts.

Next, a sixth embodiment will be described with reference to FIGS.
Will be explained. FIG. 13 is a front view showing the cushioning clip of the sixth embodiment in a partial cross section, and FIG. 14 is a side view of FIG. The structure of this cushioning clip is roughly classified into a cushioning portion 100 formed of a soft material such as an elastomer resin and a locking portion 110 formed of a hard material such as PP.

The buffer portion 100 has a truncated cone shape, and an impact force is received by the top surface 102a of the main body 102 on the small diameter side. The base portion on the large diameter side located on the side opposite to the top surface 102a is the substrate portion 112 in the locking portion 110.
The buffer portion 100 and the locking portion 110 are integrated with each other. Also in the buffer portion 100, the main body 102 does not include a lightening portion.

The locking portion 110 is provided with a leg portion 114 extending downward from the substrate portion 112, and the leg portion 114 is a mounting member 30 (interior board or the like) shown by phantom lines in FIG.
It is inserted into the mounting hole 32 of. This leg portion 114 has a structure similar to that of the leg portions 24 of the first and second embodiments, and locking claws 116 are formed on the flexible wall portions on both sides. This leg portion 114 is attached to the mounting hole 3 of the mounting member 30.
By inserting the two engaging claws 116 into the mounting member 3
A buffer clip is attached to the attachment member 30 at a position opposite to 0. The substrate portion 112 also includes a core 118 that projects into the body 102 at the axial center of the cushion clip.

Also in the cushioning clip of the sixth embodiment,
It is attached to the attachment member 30 by inserting the locking portion 110 into the attachment hole 32. The movable member is received by the top surface 102a of the main body 102 near the end of its movement, and the impact force is absorbed by the elastic deformation of the main body 102 at this time. This impact absorption characteristic is that the core 11
It can be adjusted by selecting the protrusion amount, shape, or molding position of No. 8. Further, the cushioning clip of the embodiment is suitable when the cushioning section 100 is required to have an appropriate hardness.

Although the preferred embodiment of the present invention has been described above with reference to the drawings, this embodiment can be easily changed or modified without departing from the spirit of the present invention. For example, in each embodiment, the material of the buffer portion and the locking portion is not limited to the resin material described above, and may be appropriately selected according to each function. See also FIG.
In each of the embodiments other than Embodiment 3 shown in FIG. 3 and FIG. 14, it is possible to integrally form the buffer portion and the locking portion with the same material.

[Brief description of drawings]

FIG. 1 is a front view showing a cushioning clip.

FIG. 2 is a side view showing a cushioning clip.

FIG. 3 is a bottom view showing a cushioning clip.

FIG. 4 is a sectional view taken along the line AA of FIG.

FIG. 5 is a front view showing a buffer clip according to a second embodiment in a partial cross section.

6 is a sectional view taken along the line BB of FIG.

FIG. 7 is a front view showing a buffer clip according to a third embodiment in a partial cross section.

8 is a plan view of FIG.

FIG. 9 is a front view showing a buffer clip according to a fourth embodiment in a partial cross section.

FIG. 10 is a plan view of FIG.

FIG. 11 is a front view showing a buffer clip according to a fifth embodiment in a partial cross section.

FIG. 12 is a side view of FIG.

FIG. 13 is a front view showing a buffer clip according to a sixth embodiment in a partial cross section.

14 is a side view of FIG.

[Explanation of symbols]

10 buffer 14 meat removal section 20 Locking part 30,31 Mounting member

Claims (6)

[Claims] 1. A buffer clip for receiving a movement of a movable member approaching a fixed member near its end, the buffer clip absorbing impact force, and a lock connected to a predetermined mounting member. And a buffer clip having a partial lightening portion formed in the buffer portion. 2. The cushioning clip according to claim 1, wherein the lightening portion includes a portion that receives an impact force in the cushioning portion and the locking portion, in the vicinity of substantially the center of the cushioning portion. A shock-absorbing clip that has a shape that penetrates in the direction orthogonal to the connecting axis. 3. The cushioning clip according to claim 2, wherein a convex portion is provided inside the lightening portion in a direction along the axis. 4. The cushioning clip according to claim 1, wherein the lightening portion connects a portion of the cushioning portion that receives an impact force and the locking portion in the vicinity of a substantially central portion of the cushioning portion. A cushioning clip formed along the axis and opening at a portion of the cushioning portion that receives an impact force. 5. The cushioning clip according to claim 1, wherein a portion of the cushioning portion that receives an impact force is provided with a fragile portion that is more easily bent than other portions. 6. A buffer clip for absorbing a movement of a movable member approaching a fixed member near its end, the buffer clip absorbing impact force, and a lock connected to a predetermined mounting member. And the buffer portion is made of a soft material and the locking portion is made of a hard material, and the buffer portion wraps around the substrate portion of the locking portion, and the substrate portion protrudes into the buffer portion. A buffer clip with a core.