JP2003106317A - Clip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clip having good appearance after installing by working at one side and a lessened space of a back face. SOLUTION: The clip comprises a bush 20, and a pin 10 inserted into the inside of the bush. The pin comprises a flange 11, a shaft 12 extending downward from a lower face of the flange, and a large diameter portion 15 at a lower part of the shaft portion. The bush comprises a ring portion 21 having a step that receives the flange, a retaining portion 23 arranged on a lower side of an outer periphery of the ring portion, a pair of a leg portion 25 opposed each other which is formed on the inside of the retaining portion under the ring portion by slanting inward, and a pair of a fixing portion 27 under the leg portion. When the pin and bush are assembled together, the pin is inserted into an installing hole of a plate-shaped body to be fastened, and the pin is pushed to the bush; a pair of the leg portion and fixing portion are pushed and expanded by the large diameter portion of the pin, and the plate-shaped body is fixed between a lower face of the retaining portion of the bush and an upper face of the fixing portion. Further, a lower face of the large diameter portion of the pin and a lower face of a pair of the fixed portion of the bush form one plane by means of three faces as a whole.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing clip for fixing parts such as decorative parts for automobiles, industrial machines and the like to a plate-like member such as an automobile body. Well, it relates to a clip that requires less space on the back side for mounting.

[0002]

2. Description of the Related Art Conventionally, when fixing a component such as a decorative component to a panel such as an automobile body panel, it has been fixed by a synthetic resin clip. As such a clip, a two-piece clip including a clip body and a pin,
Anchor-legged type clips, two-piece sandwich type clips, etc. are known. 11 (a) to 11 (c) show examples of conventional clips. The two-piece clip shown in (a) is composed of a clip body having leg portions provided on the lower surface of the flange portion and a pin having a shaft portion provided on the lower surface of the head portion. In this clip, mounting holes are formed in two plate-shaped members, respectively, and the plate-shaped members are superposed with the through holes communicating with each other, and the legs of the clip body are inserted into these mounting holes. The shaft portion of the pin is press-fitted into the leg portion, thereby sandwiching and fixing the lower surface of the flange portion of the clip body and the tip end side of the enlarged diameter portion. The anchor leg type clip of (b) is composed of a flange portion and an anchor leg integrally formed, and after inserting the anchor leg portion of the clip into the mounting hole of the plate member, the anchor leg spreads, The plate-shaped member is fixed to the lower surface of the flange portion.

However, in these conventional clips, 2
In the piece clip, since the tip end side of the leg portion is expanded and fixed by the shaft portion of the pin, it is necessary to project a certain length on the back surface. Further, since the anchor leg type clip spreads and fixes the anchor leg portion, a certain length is also required. In the conventional clip, the flange on the front side is generally finished flat in consideration of the appearance, but the part of the clip protruding from the back side of the plate member to be fastened has a leg of a certain length protruding. Space is required and it is not visible on the back side, so appearance is not considered so much.

The two-piece clip type clip of (c) requires less space on the back surface, but requires work from both the front and back surfaces.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and the work on one side provides a good appearance on the rear surface after mounting and a small space on the rear surface after mounting. It is about trying to get a clip.

[0006]

In order to fasten a plate-shaped member with a clip, the lower portion of the clip must be smaller than the inner diameter of the mounting hole and must pass through the mounting hole of the plate-shaped member during mounting.
After passing through, it is necessary to fasten the plate-shaped member with a diameter larger than the inner diameter of the mounting hole.

A clip for attaching a component to a plate-like body according to the present invention comprises a bush and a pin inserted inside the bush. The pin includes a flange, a shaft portion that extends downward from the bottom surface of the flange, and a large diameter portion below the shaft portion. The bush has a ring portion having a stepped portion for receiving the flange, a holding portion provided below the outer periphery of the ring portion,
A pair of opposed leg portions that are formed inwardly of the holding portion below the ring portion and are inclined inward, and a pair of locking portions below the leg portions are provided. At the assembled position where the large diameter portion of the pin is inserted into the bush and assembled, the pair of leg portions of the bush maintain the state of being inclined inward. At the push-in position where the pin is pushed into the bush, the pair of legs and the locking portion are spread by the large diameter portion of the pin, and a plate-shaped member is placed between the lower surface of the bush holding portion and the upper surface of the locking portion. To fix. Further, at the pushing position, the lower surface of the large diameter portion of the pin and the lower surface of the pair of locking portions of the bush are substantially flush with each other.

[0008] In one aspect of the present invention, the lower surface of the large-diameter portion and the lower surfaces of the pair of locking portions form a single plane as a whole. This one plane may be oval. 1 of the present invention
In the aspect, the pin and the bush are held at the assembled position and the pushed-in position by the engagement of the engagement means provided on the pin and the bush. This engaging means may be a groove of the pin and a connecting claw of the bush.

According to another aspect of the present invention, ribs are formed on the legs of the bush. In another aspect of the invention, a pry groove is formed in the ring portion of the bush so that the pin can be removed after fastening the clip.

[0010]

In the clip consisting of two parts of the pin and the bush according to the present invention, the shaft portion and the large-diameter portion of the pin are inserted into the bush for assembly, and inserted into the mounting hole of the plate-like member for fastening the assembled pin and bush. To do. Next, push the pin into the clip, and widen the leg part and the locking part of the bush at the large diameter part under the shaft part to expand the locking part of the bush and the lower surface of the holding part of the bush. A plate-like member is fixed and fastened to the upper surface of the locking portion.

With the plate member fastened, the three lower surfaces of the engaging portion of the bush and the lower surface of the large diameter portion at the tip of the shaft portion of the pin are substantially flat. These three surfaces form one flat surface. Therefore, the back surface of the mounting has a good appearance and the mounting space is small.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a pin 10 of a clip according to an embodiment of the present invention, (a) is a side view, (b) is a side view.
Is a top view, (c) is a sectional view taken along the line C-C, (d) is a side view, and (e) is a bottom view. A disc-shaped flange 11 is formed at one end of the pin. The outer diameter of the flange 11 is adapted to engage with a step portion of a ring portion 21 of the bush 20 described later. The upper surface of the flange 11 is substantially flat. A shank 12 extends vertically from the lower surface of the flange. As shown in (b), the shaft portion 12 has a substantially I-shaped cross section. Shaft 12
A groove 17 is formed near a large-diameter portion 15 of the shaft portion 12 described later.
A groove 18 is formed in the vicinity of the flange 11 so that when the pin 10 is assembled with the bush 20, these grooves 17, 18 can receive a coupling claw 29 described later.

A large-diameter portion 15 is provided at the other end of the shaft portion 12. The lower surface of the large-diameter portion 15 is a substantially flat surface and is surrounded by two straight lines 15a and 15b and two curved lines 15c and 15d. Two straight lines
When inserting the pin 10 into the bush 20, the portions 15a and 15b advance while spreading the leg 25 of the bush 20. The two curves 15c and 15d have a diameter that fits the mounting hole diameter of the plate body to be fastened.

FIG. 2 shows a bush 20 of a clip according to an embodiment of the present invention, (a) is a side view, (b) is a top view,
(c) is a sectional view, (d) is a sectional view taken along the line AA, and (e) is a sectional view of a rib portion. A ring portion 21 is formed on the upper portion of the bush 20, and the flange of the pin 10 is formed on the upper portion of the ring portion 21.
A step is formed to receive 11. A part of the ring part 21 is low, and a prying groove 22 is formed.After the plate-like body is fastened with the pin 10 and the bush 20, a flat head screwdriver can be inserted here to remove the pin 10 and the bush 20. You can do it.

A holding portion 23 is formed below the ring portion 21. The inner diameter of the lower surface of the holding portion 23 is larger than the mounting hole diameter of the plate-shaped body to be fastened, and when fastening the plate-shaped material, the lower surface of the holding portion 23 is engaged with the upper surface of the plate-shaped material to be fastened outside the mounting hole. Has become. In order to assist the holder 23, two second holders 24 are provided in a direction perpendicular to the holder 23.

As shown in FIG. 2 (c), a leg portion 25 that is inclined inward is formed inside the holding portion 23 below the ring portion 21. When the pin 10 is inserted into the bush 20, the leg portion 25 is expanded by the large diameter portion 15 of the pin 10.

As shown in the sectional view taken along the line AA of FIG. 2D, a connecting claw 29 is formed adjacent to the second holding portion 24. The connecting claw 29 engages with the groove 17 at the assembled position where the pin 10 is assembled to the bush 20, and engages with the groove 18 at the pushed-in position where the pin 10 is pushed in, so as to fix the pin 10.

As shown in FIG. 2 (e), the leg 25 has ribs.
26 are formed. After fastening the clip, the leg 25 contacts the inner diameter of the mounting hole of the plate-shaped material, but if the entire leg 25 has an outer diameter that fits the mounting hole, the load for deforming the leg becomes large. The thickness h1 of the rib 26 is set to a height that fits the mounting hole, and the thickness h2 of the leg portion is formed thinner than this.

A locking portion 27 is formed on the other end of the leg portion 25. Since the leg portion 25 is inclined inward, the distance between the outermost points of the locking portion 27 is smaller than the inner diameter D1 of the attachment hole of the plate-shaped material, and the attachment portion may pass through the attachment hole before fastening. You can do it. By pushing the pin 10 inside the bush 20, the large diameter part 15 of the pin 10 is
25 spread out, the leg 25 engages with the inner diameter of the mounting hole, and
The upper surface of 27 engages with the lower surface of the plate-shaped member outside the mounting hole.

Next, referring to FIGS.
The assembled state of 20 will be described. FIG. 3 is a top view of the state in which the pin 10 and the bush 20 are assembled. FIG. 4 is a sectional view showing a state in which the pin and the bush are assembled. In the description of this specification, “upper” means the upper direction in FIG. 4. FIG. 5 is a sectional view taken along the line BB in a state where the pin and the bush are assembled. In FIG. 5, the position L1 when the pin and the bush are assembled is shown by a solid line, and the position L2 when the pin 10 is pushed into the bush 20 is shown by a chain double-dashed line.

Assembling position (L
In 1), the connecting claw 29 provided on the bush 20 and the groove 17 provided on the pin 10 are engaged with each other to maintain the assembled state so that the pin 10 and the bush 20 do not come off. At the push-in position (L2) where the pin 10 is pushed in and fastened, the pin 10 comes to the position shown by the chain double-dashed line, the connecting claw 29 and the groove 18 are engaged, and the pin 10 and the bush
Hold the tightened state so that 20 does not come off. The upper surface of the flange 11 is substantially flush with the upper surface of the ring portion 21 when fastened at the pushing position.

The assembling position where the pin 10 and the bush 20 are assembled and the pushing position where the pin is pushed in will be described in more detail with reference to FIG. 6A and 6B are perspective views of the pin 10 and the bush 20, where FIG. 6A is a front perspective view of an assembly position before the pin is pushed into the bush, and FIG. 6B is a rear perspective view thereof. (c) is a front perspective view of the push-in position after pushing the pin into the bush, (d)
FIG. 4 is a rear perspective view. In these drawings, the pin 10 is indicated by a chain double-dashed line.

With the pin 10 assembled to the bush 20,
As shown in (b), the locking portions 27 are arranged close to each other. When the pin is pushed into the bush, as shown in (c), the flange 11 of the pin 10 has the ring portion of the bush 20.
Fits the step formed inside 21. Further, as shown in (d), the straight lines 15a and 15b of the large-diameter portion 15 of the pin 10 are in contact with the inner bottom surface of the engagement portion 27 of the bush 20, and the curved portions 15c and 15d of the large-diameter portion are connected. And a lower surface outer diameter of the locking portion 27 form a substantially continuous curve. The lower surface of the large-diameter portion 15 of the pin 10 and the lower surface of the locking portion 27 of the two bushes 20 are substantially on the same plane, and form an ellipse as a whole.

Next, the operation of assembling the pin 10 and the bush 20 and then fastening the plate-like bodies (panels) P1 and P2 will be described with reference to FIGS. In the plate-shaped body, for example, P1 is a car body and P2 is a decorative component. As shown in FIG. 7, the pin 10 is inserted from above the bush 20 with the large diameter portion 15 facing downward, and the pin 10 and the bush 20 are assembled to form a clip.
Next, the mounting holes 31 of the plate-shaped body P1 to be fastened and the mounting holes 32 of the plate-shaped body P2 are aligned with each other, and the assembled clip is engaged with the locking portion 27.
Down and insert into the mounting holes 31, 32 as shown by the arrows. At this time, the maximum diameter of the locking portion 27 is the inner diameter D1 of the mounting hole.
Smaller, the locking portion 27 can pass through the mounting hole.

FIG. 8 shows a state in which the clip is inserted into the mounting hole. The holding portion 23 contacts the upper surface of the plate-like body P2, and the clip stops. At this time, the locking portion 27 passes through the mounting hole and is located below the lower surface of the plate P1.

Next, as shown in FIG. 9, the pin 10 is pushed into the bush 20. At this time, the large-diameter portion 15 of the pin 10 pushes the leg 25 of the bush 20 and spreads out. Pin 10
The pin 10 stops with the lower surface of the flange 11 in contact with the stepped portion of the ring portion 21 of the bush 20. In this state, the legs
The ribs 26 of 25 engage with the mounting holes of the plate members P1 and P2 from the inside.

The plate-like bodies P1 and P2 are fixed and fastened between the lower surface of the holding portion 23 of the bush 20 and the upper surface of the locking portion 27. At this time, the lower surface of the large-diameter portion 15 of the pin 10 is substantially flush with the lower surface of the locking portion 27 of the bush 20. The lower surface of the large-diameter portion 15 and the lower surface of the two locking portions 27 combine the three planes to form one substantially oval plane. For this reason, the appearance of the back surface that is attached is excellent, and the installation space on the back surface is small.

Next, the operation of removing the fastened clip will be described. Referring to FIG. 9, part of the ring portion 21 of the bush 20 is lowered to form a prying groove 22. Between the upper side of the holding portion 23 and the lower surface of the flange 11, a screwdriver 40
Then, the pin 10 and the bush 20 are pry open, and the engagement between the connecting claw 29 and the groove 18 is released. Even if the engagement is released, the shapes of the leg portion 25 and the engaging portion 27 do not return to the state before the fastening due to a change over time, and the engaging portion 27 may remain engaged with the mounting hole. . Even in that case, the clip can be easily removed by pulling it up.

When the clip once removed is to be reused, the locking portion 27 may be pinched with a finger or the like, inserted into the mounting hole, and the plate-shaped body may be fastened again. Thus, the clip of this embodiment can be easily reused.

[0030]

As described above, according to the present invention,
After fastening the plate member with the clip, the back surface of the clip is almost 1
It becomes one plane. Therefore, as compared with the conventional clip, the work can be performed from one side, the appearance of the back surface is excellent, and the mounting space on the mounting back surface can be reduced.

[Brief description of drawings]

1 illustrates a pin according to an embodiment of the present invention, (a)
Is a side view, (b) is a top view, (c) is a sectional view taken along the line C-C, (d) is a side view, and (e) is a bottom view.

2 shows a bush according to an embodiment of the invention,
(a) is a side view, (b) is a top view, (c) is a sectional view, and (d) is A.
-A sectional view taken along line A, and (e) is a sectional view of a rib portion.

FIG. 3 is a top view of the pin and the bush in an assembled position.

FIG. 4 is a cross-sectional view of a part of a state where the pin and the bush are in an assembled position.

FIG. 5: B with pin and bush in assembled position
It is a sectional view taken along the line B.

6A is a front perspective view of the pin and the bush in the assembled position, FIG. 6B is a rear perspective view of the pin, and FIG. 6C is a front perspective view of the pin and the bush in the push-in position; It is a back side perspective view.

FIG. 7 is a partial cross-sectional view showing a state before the clip is inserted into the attachment hole.

FIG. 8 is a partial cross-sectional view showing a state where a clip is inserted into a mounting hole.

FIG. 9 is a partial cross-sectional view showing a state in which a pin is pushed into a bush and fastened.

FIG. 10 is a partial cross-sectional view showing a state in which the pin is removed from the bush.

11A to 11C show examples of conventional pins.

[Explanation of symbols]

10 pin 11 Flange 12 Shaft 15 large part 17,18 groove 20 bush 21 Ring part 22 Pry open groove 23 Holding part 24 Second holding part 25 legs 26 ribs 27 Locking part 29 Connection claw 31,32 mounting holes

Claims (6)

[Claims] 1. A clip for attaching a component to a plate-shaped body, comprising a bush and a pin inserted inside the bush, wherein the pin comprises a flange, a shaft portion extending downward from a lower surface of the flange, and A large diameter portion below the shaft portion, wherein the bush has a ring portion having a step portion that receives the flange, a holding portion provided on a lower side of an outer periphery of the ring portion, and a portion below the ring portion. The holding portion includes a pair of opposed leg portions formed inwardly inclined, and a pair of locking portions below the leg portions, and the large diameter portion of the pin is inserted into the bush. In the assembled position, the pair of leg portions of the bush hold an inwardly inclined state, and the pair of leg portions and the locking portion are held at a pushing position in which the pin is pushed into the bush. Is due to the large diameter portion of the pin. The plate-shaped body is fixed between the lower surface of the holding portion of the bush and the upper surface of the locking portion, the lower surface of the large-diameter portion of the pin, and the pair of engagement members of the bush. The bottom surface of the stopper is substantially flush with the clip. 2. The clip according to claim 1, wherein the lower surface of the large-diameter portion and the lower surfaces of the pair of locking portions form a single plane as a whole. 3. The clip according to claim 2, wherein the one plane is an elliptical shape. 4. The clip according to claim 1, wherein the pin and the bush are held at the assembly position and the pushing position by engagement of engagement means provided on the pin and the bush. 5. The clip according to claim 1, wherein a rib is formed on the leg portion of the bush. 6. The clip according to claim 1, wherein a prying groove is formed in the ring portion of the bush, and the pin can be removed after fastening the clip.