JP2013241971A - Clip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clip the head part of which can be smoothly inserted into an introduction passage of a mounting seat.SOLUTION: A clip 10 is used for connecting a component 1 having an mounting seat 3 provided with an mounting hole 6 and an introduction passage 7 to a component 2 having a locking hole 2a. The A clip 10 includes a head part 20 mounted to the mounting seat 3 and a locking leg 40 locked to the locking hole 2a. The head part 20 includes a first flange part 21 which abuts on one surface of the mounting seat 3, a second flange part 23 which abuts on the other surface of the mounting surface 3 and a neck part 25 inserted into the introduction passage 7 of the mounting seat 3. A diameter enlarging part 31 is provided in a manned protruded toward an outer diameter direction on an axial intermediate part of the neck part 25, a first annular recessed part 33 and a second annular recessed part 37 are respectively formed in outer circumferences of both axial edge parts of the neck part 25, and the maximum outer diameter of the diameter enlarging part 31 is formed larger than the width of the introduction passage 7.

Description

  The present invention relates to a clip for connecting a component such as a trim board and a component such as a vehicle body panel.

  For example, when a part such as a trim board is connected to a part such as a vehicle body panel or a body frame of an automobile, a clip having a head and a leg is used. Specifically, a mounting seat is provided on one component, the head of the clip is assembled on the mounting seat, and the leg portion of this clip is inserted into the locking hole provided on the other component and locked. Thus, one part and the other part are connected via the clip.

  As a conventional clip of this type, the following Patent Document 1 has a head and a locking leg, and the locking leg includes an axial center portion suspended from the center of the lower surface of the head, and the axial center portion. A stopper composed of four projecting pieces radially projecting outward from the four and four elastic locking pieces arranged between the four projecting pieces is described.

  The head is composed of a large-diameter circular heel, a columnar neck standing from the center of the upper surface of the heel, and a small-diameter circular heel connected to the upper end of the neck. . Further, the trim board is provided with a mounting seat having a locking hole having a keyhole shape.

  When the stopper is attached to the mounting seat, first, the neck of the head is aligned with the locking hole having the keyhole shape, and the stopper is pushed in that state. Then, the neck of the head passes through the narrow introduction passage of the locking hole and fits into the mounting hole at the back, and the upper and lower rims engage with the upper and lower peripheral edges of the locking hole. The stopper is attached to the trim board by the attachment seat being sandwiched between the both sides.

Japanese Patent No. 3450342

  However, in the stopper described in Patent Document 1, the neck portion that connects the upper heel and the lower heel has a cylindrical shape, so that the frictional resistance when pushing into the introduction passage of the keyhole-shaped locking hole is large. Therefore, when there is a burr or the like at the corner of the introduction passage of the locking hole, the frictional resistance is further increased, so that the mounting to the mounting seat cannot be performed smoothly, and the workability may be reduced.

  Accordingly, an object of the present invention is to provide a clip that can smoothly perform mounting work on a mounting seat provided on one of the parts to be connected.

  In order to achieve the above object, the present invention is a clip for connecting one part having a mounting seat provided with a mounting hole and an introduction passage communicating with the mounting hole and the other part having a locking hole. A head mounted on the mounting seat, and a locking leg extending from one side of the head and inserted and locked into the locking hole, the head being one surface of the mounting seat Connecting the first flange portion and the second flange portion, the first flange portion contacting the other surface of the mounting seat, the second flange portion disposed on the locking leg side, and the first flange portion and the second flange portion, A neck portion that is inserted into the introduction passage of the mounting seat, and an enlarged diameter portion that protrudes in an outer diameter direction is formed at an axially intermediate portion of the neck portion, and the first diameter portion is larger than the enlarged diameter portion of the neck portion. A first annular recess is formed on the one flange portion side, and the second flange portion is more than the enlarged diameter portion of the neck portion. In which the second annular recess is formed, the maximum outer diameter of the enlarged diameter portion is to provide a clip which is characterized in that it is larger than the width of the introduction passage.

  In the clip of the present invention, a curved R-shaped portion is formed on the outer periphery of the connecting portion between the neck portion, the first flange portion, and the second flange portion, and the expanded diameter portion has each R-shape. It is preferable that the portion protrudes in the outer diameter direction from the connecting end portion to the first flange portion or the second flange portion.

  In the clip of the present invention, it is preferable that the diameter-expanded portion has a cross-sectional shape in line contact with the inner surface of the introduction passage of the mounting seat.

  In the clip of this invention, it is preferable that the said enlarged diameter part has comprised the shape which protruded cyclically | annularly along the outer periphery of the said neck part.

  In the clip of the present invention, it is preferable that the second annular recess is recessed in the radial direction and is also recessed in the axial direction toward the second flange portion.

  According to the present invention, by inserting the neck of the head into the introduction passage of the mounting seat and pushing it in, the neck is disposed in the mounting hole, and the first flange portion and the second flange portion are disposed on both surfaces of the mounting seat. The heads are mounted on the mounting seats in contact with each other, and in this state, by inserting the locking legs into the locking holes and locking them, one part and the other part can be connected.

  Then, when inserting the neck portion into the introduction passage so as to attach the head to the mounting seat, the corner portions of the upper and lower peripheral edges of the introduction passage are provided in the first annular recess and the second annular recess provided at both axial end portions of the neck portion. And burr formed at the corners are prevented from coming into contact with the neck, and only the enlarged diameter portion provided in the axially intermediate portion of the neck is in contact with the inner surface of the introduction passage while Therefore, the contact area between the outer periphery of the neck and the inner surface of the introduction passage can be reduced, the insertion resistance of the neck into the introduction passage can be kept low, and the head can be smoothly mounted on the mounting seat.

It is a perspective view showing one embodiment of a clip concerning the present invention. It is an expansion perspective view of the clip. It is a front view of the clip. It is a side view of the clip. It is sectional drawing of the clip. It is a principal part expanded sectional view of the clip. It is sectional drawing which shows the state which attached the clip to the attachment seat. It is sectional drawing which shows the state which connected one component and the other component via the clip. It is a front view of the clip. It is a right view of the same clip. It is a top view of the clip. It is a bottom view of the clip. It is sectional drawing in the AA arrow line of FIG. It is sectional drawing in the BB arrow line of FIG.

  Hereinafter, an embodiment of a clip according to the present invention will be described with reference to FIGS.

  As shown in FIG. 8, the clip 10 is inserted and locked in a head 20 that is mounted on a mounting seat 3 provided in one component 1 and a locking hole 2 a provided in the other component 2. A locking leg 40 is provided to connect one part 1 and the other part 2 together. Examples of one part 1 include a trim board, garnish, assist grip, bumper, and lamp. Examples of the other part 2 include a body panel and a body frame, but are not limited thereto. It is not a thing.

  As shown in FIG. 1 and FIG. 7, the mounting seat 3 in the present embodiment includes a side wall 4 that protrudes from the back surface of one component 1 and has a substantially U-shape in plan view, And a plate-like bottom wall 5 connected to the lower end. The bottom wall 5 is formed with a mounting hole 6 and an introduction passage 7. The introduction passage 7 is formed so that the side portion of the bottom wall 5 not connected to the side wall 4 and the attachment hole 6 communicate with each other, and is a straight line that is narrower than the inner diameter of the attachment hole 6 and extends with a constant width. The linear passage 7a and the tapered passage 7b that is gradually widened from the linear passage 7a toward the opening side.

  The mounting seat 3 in this embodiment has a structure in which the mounting hole 6 and the introduction passage 7 which is open at one end and communicates with the mounting hole 6 are provided, but the present invention is not limited to this. For example, it may be a structure provided with a dharma hole composed of a mounting hole, an insertion hole having a diameter larger than that of the mounting hole and allowing the head of the clip to pass therethrough, and an introduction passage communicating these, etc. The mounting hole 3 and the introduction passage may be provided directly in one of the components 1 without making the mounting seat 3 into a frame shape.

  As shown in FIGS. 1 to 5, the head 20 of the clip 10 to be mounted on the mounting seat 3 is a disc shape that abuts against one surface of the mounting seat 3 (in this embodiment, the inner surface of the mounting seat 3). The first flange portion 21, the thin disc-shaped second flange portion 23 that contacts the other surface of the mounting seat 3 (the outer surface of the mounting seat 3), and one end portion in the axial direction is the back surface of the first flange portion 21. The other end in the axial direction is connected to the center of the surface of the second flange portion 23 to connect both flange portions 21 and 23 and is inserted into the introduction passage 7 and the mounting hole 6 of the mounting seat 3. And a cylindrical neck portion 25.

  Moreover, it is the other end part outer periphery of the said neck part 25, Comprising: On the back surface side of the said 2nd flange part 23, it spreads in the shape of an umbrella diagonally outward toward the latching leg 40 side, and latches the other component 2 A third flange portion 27 that elastically contacts the front side periphery of the hole 2a is provided. Further, the first flange portion 21 and the neck portion 25 are provided with circular thinning recesses 29 for preventing sink marks. However, the hollow recess 29 may not be provided, and the depth and inner diameter thereof may be changed as appropriate.

  Then, the clip 25 is pushed by aligning the neck 25 of the head 20 with the introduction passage 7 of the mounting seat 3, the neck 25 is moved to the attachment hole 6 through the introduction passage 7, and the first flange portion 21 is moved to the attachment hole. 6, the second flange 23 is engaged with the outer peripheral edge of the mounting hole 6, and the bottom wall 5 of the mounting seat 3 is sandwiched between the flanges 21, 23, so that the clip 10 is It is designed to be attached to the mounting seat 3.

  In order to reduce the insertion resistance of the neck portion 25 with respect to the introduction passage 7 when the clip is pushed into the mounting seat 3 as described above, an enlarged diameter portion 31 protruding in the outer diameter direction is formed at the axially intermediate portion of the neck portion 25. Further, a first annular recess 33 is formed on the first flange portion 21 side of the enlarged diameter portion 31 of the neck portion 25, and a second annular recess portion on the second flange portion 23 side of the enlarged diameter portion 31 of the neck portion 25. 37 is formed. Further, as shown in FIG. 6, curved R-shaped portions 35 and 35 are formed on both ends of the neck portion 25 in the axial direction and on the outer periphery of the connecting portion between the first flange portion 21 and the second flange portion 23. Has been.

  The enlarged diameter portion 31 in this embodiment has a shape that protrudes in an annular shape from substantially the center in the axial direction of the neck portion 25 along the outer periphery of the neck portion, and its maximum outer diameter D1 is a range that can be inserted into the introduction passage 7 in a free state. Thus, it is formed larger than the width W of the linear passage 7 a of the introduction passage 7. In FIG. 6, since the neck portion 25 is press-fitted into the linear passage 7a, both have the same size. Further, the diameter-expanded portion 31 has an arcuate curved cross section, and when the neck portion 25 passes through the introduction passage 7, the top portion thereof is in line contact with the inner surface of the linear passage 7 a of the introduction passage 7. It has become. In the present invention, the maximum outer diameter of the enlarged diameter portion means the largest outer diameter dimension in a cross section perpendicular to the axis O of the neck portion 25 (see FIG. 6).

  Further, the diameter-expanded portion 31 is the first flange portion 21 or the first flange portion of each R-shaped portion 35 formed on the outer periphery of the connecting portion between the axial end portions of the neck portion 25 and the first flange portion 21 and the second flange portion 23. It is comprised so that it may protrude in an outer-diameter direction rather than the connection end part 35a with the 2 flange part 23 (refer FIG. 6). That is, the length of each R-shaped portion 35 from the connecting end portion 35b to the neck portion 25 to the connecting end portion 35a to the flange portions 21 and 23 is L, and the enlarged diameter portion 31 has a top portion from the neck outer peripheral surface. When the projecting height up to D2 is D2, the projecting height D2 of the enlarged diameter portion 31 is formed to be larger than the length L of each R-shaped portion 35.

  Further, the enlarged diameter portion 31 in the present embodiment has a shape protruding in an annular shape from the outer periphery of the neck portion, but has a shape in which a plurality of protrusions or protrusions are arranged at predetermined intervals along the outer periphery of the neck portion 25. It may be. Further, the cross-sectional shape along the axis O of the enlarged diameter portion 31 may be a semicircular shape, a triangular shape, a trapezoidal shape, other rectangular shapes, or the like, but is in line contact with the inner surface of the linear passage 7a of the introduction passage 7. A possible shape is preferred.

  As shown in FIGS. 5 and 6, the second annular recessed portion 37 provided on the second flange portion 23 side is recessed in the radial direction of the neck portion 25 and also recessed in the axial direction toward the second flange portion 23. It has a shape. As a result, the second annular recess 37 is formed so as to be separated from the corner of the linear passage 7a of the introduction passage 7 both in the radial direction and in the axial direction. Further, on the outer side in the radial direction of the second flange portion 23 than the second annular recess 37, an inner inclined portion 23a inclined obliquely upward toward the first flange portion 21 side, and obliquely downward from the top portion 23b. An outer inclined portion 23c inclined in an umbrella shape is formed, and the top portion 23b of the inner inclined portion 23a comes into contact with the outer peripheral edge of the mounting hole 6 of the mounting seat 3.

  As shown in FIGS. 1 to 5, the locking leg 40 in this embodiment includes a shaft portion 41 suspended from the center of the back surface of the head portion 20 and a plurality of elastic locking members disposed on the outer periphery of the shaft portion 41. And a piece 43. Each elastic locking piece 43 has a base end portion connected to the inner periphery of the third flange portion 27 provided at the other end portion of the neck portion 25, and a distal end portion of the shaft portion 41 via a connecting rib 45. A locking step 43a is provided on the outer periphery of the base end portion, and is engaged with the rear edge of the locking hole 2a provided in the other component 2 on the outer periphery of the base end portion.

  The structure of the locking leg 40 is not particularly limited. For example, a column-shaped stem portion is provided from the back of the head, and a pair of locking legs are provided in a foot-like shape from the tip of the stem portion. Any structure may be used as long as the locking leg is locked to the locking hole of the other part, and a known structure can be adopted.

  Next, a method of using the clip 10 having the above configuration will be described.

  First, the head 20 of the clip 10 is mounted on the mounting seat 3 of one component 1. That is, as shown in FIG. 1, the first flange portion 21 of the clip 10 is disposed on the inner surface side of the bottom wall 5 of the mounting seat 3, the second flange portion 23 is disposed on the outer surface side of the bottom wall 5, and the neck portion 25. The head 20 of the clip 10 is aligned with the opening on the front side of the mounting seat 3 so as to be positioned in the tapered passage 7b of the introduction passage 7, and the clip 10 is pushed toward the mounting seat 3 in this state. Then, the neck portion 25 of the clip 10 is moved in the introduction passage 7 while being guided by the tapered passage 7b. When the neck portion 25 reaches the linear passage 7a, as shown in FIG. The enlarged diameter portion 31 moves while contacting the inner surface of the linear passage 7a. When the neck portion 25 passes through the linear passage 7 a and moves to the attachment hole 6, the neck portion 25 is prevented from returning by the narrow linear passage 7 a and the first flange portion 21 is located on the inner surface side of the attachment hole 6. The top wall 23b of the inner inclined portion 23a of the second flange portion 23 is engaged with the outer surface side peripheral edge of the mounting hole 6 so that the bottom wall 5 of the mounting seat 3 is sandwiched between the flange portions 21 and 23. Thus, the head 20 is retained and the clip 10 can be attached to the mounting seat 3 via the head 20 (see FIG. 7).

  In the clip 10, when the neck 25 is inserted and pushed into the introduction passage 7, as shown in FIG. 6, the first annular recess 33 and the second annular recess 33 provided at both ends in the axial direction of the neck 25. The corners of the upper and lower peripheral edges of the linear passage 7a of the introduction passage 7 and the burrs generated at the same corners are inserted into the annular recess 37 to prevent these corners and burrs from coming into contact with the neck 25. Since only the diameter-expanded portion 31 protruding from the axially intermediate portion of the neck portion 25 can be brought into contact with the inner surface of the linear passage 7a, the contact area between the outer periphery of the neck portion and the inner surface of the introduction passage can be reduced. Thus, the insertion resistance of the neck 25 into the introduction passage 7 can be kept low, and the head 20 can be smoothly mounted on the mounting seat 3.

  Moreover, the enlarged diameter part 31 in this embodiment is the 1st of each R-shaped part 35 formed in the axial direction both ends of the neck part 25, and the connection part outer periphery of the 1st flange part 21 and the 2nd flange part 23. Since it protrudes in the outer diameter direction from the connecting end portion 35a with the flange portion 21 or the second flange portion 23 (see FIG. 6), the neck portion 25 is provided in the introduction passage 7 so as to attach the head portion 20 to the mounting seat 3. When inserting, each R-shaped part 35 can be prevented from coming into contact with the corner of the peripheral edge of the straight passage 7a of the introduction passage 7, and the insertion resistance can be more reliably reduced.

  Furthermore, in this embodiment, the cross-sectional shape of the enlarged diameter portion 31 is an arcuate curved surface, and the top portion is in line contact with the inner surface of the linear passage 7a of the introduction passage 7 (see FIG. 6). The contact area between the diameter portion 31 and the inner surface of the introduction passage can be further reduced, and the insertion resistance of the neck portion 25 with respect to the introduction passage 7 can be further reduced.

  Moreover, since the enlarged diameter part 31 protrudes cyclically | annularly along the outer periphery of the neck part 25, the enlarged diameter part 31 in this embodiment inserts the neck part 25 in the introduction channel | path 7 so that the head 20 may be mounted | worn. When the neck portion 25 is inserted from any direction, the enlarged diameter portion 31 can be reliably brought into contact with the inner surface of the linear passage 7a of the introduction passage 7, and the head portion 20 with respect to the mounting seat 3 The mounting workability can be improved.

  Further, in the present embodiment, the second annular concave portion 37 provided on the second flange portion 23 side is recessed in the radial direction of the neck portion 25 and is also recessed in the axial direction toward the second flange portion 23. Therefore, no matter what direction the burr protrudes from the corner of the peripheral edge of the straight passage 7a of the introduction passage 7 in the direction orthogonal to the axial direction, in the oblique direction, or further in the axial direction, the second It is possible to reliably prevent contact with the neck portion 25 by being received in the annular recess 37.

  As described above, in a state where the clip 10 is attached to the attachment seat 3 via the head 20, the engaging leg 40 of the clip 10 is inserted into the engaging hole 2 a of the other component 2 and pushed into a plurality of parts. The engaging step portion 43a of the elastic engaging piece 43 engages with the back side periphery of the engaging hole 2a, and the third flange portion 27 elastically contacts the front side periphery of the engaging hole 2a. The one component 1 and the other component 2 can be connected via each other.

  9 to 14 are described assuming that the present patent application is changed to a design registration application, and the portion indicated by a solid line is a portion intended to receive design registration as a partial design. Yes, the alternate long and short dash line in FIGS. 9, 10, 13, and 14 is a line that shows only the boundary between the part that is going to receive design registration as a partial design and the other part. Further, the rear view appears in the same manner as the front view, and the left side view appears in the same manner as the right side view, and is therefore omitted.

DESCRIPTION OF SYMBOLS 1 One component 2 The other component 2a Locking hole 3 Mounting seat 6 Mounting hole 7 Introduction channel | path 10 Clip 20 Head 21 1st flange part 23 2nd flange part 25 Neck part 27 3rd flange part 31 Wide diameter part 33 1st Annular recess 35 R-shaped part 35a Connecting end 37 Second annular recess 40 Locking leg

Claims (5)

A clip that connects one part having a mounting hole and a mounting seat provided with an introduction passage communicating with the mounting hole, and the other part having a locking hole;
A head mounted on the mounting seat, and a locking leg extending from one side of the head and inserted and locked into the locking hole,
The head includes a first flange portion that contacts one surface of the mounting seat, a second flange portion that contacts the other surface of the mounting seat, and is disposed on the locking leg side, and the first Connecting the flange portion and the second flange portion, and having a neck portion inserted into the introduction passage of the mounting seat,
An enlarged diameter portion protruding in the outer diameter direction is formed at an axially intermediate portion of the neck portion, a first annular recess is formed on the first flange portion side of the enlarged diameter portion of the neck portion, and the enlarged portion of the neck portion is formed. A clip, wherein a second annular recess is formed on the second flange portion side of a diameter portion, and a maximum outer diameter of the enlarged diameter portion is formed larger than a width of the introduction passage.   A curved R-shaped portion is formed on the outer periphery of the connecting portion between the neck portion, the first flange portion, and the second flange portion, and the enlarged diameter portion is the first flange portion of each R-shaped portion. Or the clip of Claim 1 which protrudes in the outer-diameter direction rather than the connection end part to the said 2nd flange part.   The clip according to claim 1 or 2, wherein the diameter-expanded portion has a cross-sectional shape in line contact with the inner surface of the introduction passage of the mounting seat.   The clip according to any one of claims 1 to 3, wherein the enlarged-diameter portion has a shape protruding in an annular shape along an outer periphery of the neck portion.   The clip according to any one of claims 1 to 4, wherein the second annular recess is recessed in the radial direction and is also recessed in the axial direction toward the second flange portion.