JP2010276031A - Component mounting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a component mounting device for easily removing a component from a mounting hole, while firmly fixing the component to the mounting hole without looseness. <P>SOLUTION: This mounting device includes a base part 20 abutting on the mounting hole surface side and a leg part 30 inserted into the mounting hole 3. A peripheral wall of the leg part 30 is provided with oppositely arranged first engaging pawl 35 and second engaging pawl 40, a third engaging pawl 45 and a fourth engaging pawl 50 arranged between these pawls. The first engaging pawl 35 and the second engaging pawl 40 can deflect inside, and at least third engaging pawl 45 can also deflect inside. The respective engaging pawls have an engaging part for engaging with the reverse side peripheral edge of the mounting hole 3 by swelling in the outer diameter direction. An end part on the side approaching the third engaging pawl 45 of the engaging parts 37 and 42 of the first engaging pawl 35 and the second engaging pawl 40, is cut out by inclined faces 38 and 43 becoming gradually lower to the inner diameter side. An end part of the third engaging pawl 45 is constituted so as to project to its surface side in a state of engaging with the reverse side peripheral edge of the mounting hole 3. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a component mounting apparatus that is used, for example, to fix a component such as a sun visor holder to a mounting hole formed in a panel member or the like of an automobile.

  As a part for fixing a component such as a sun visor holder to a mounting hole, for example, Patent Document 1 below includes a base portion having a holding portion for holding a shaft portion of a sun visor, and the base portion is inserted into the mounting hole. A stem portion to be pushed in is provided, and a pair of flexible elastic claw pieces that are engaged with the attachment hole edge are provided on the opposite side surfaces of the stem, and a pair of expansion pieces that allow the elastic claw piece to pass through the hole edge of the attachment hole. An automobile sun visor holding structure provided with a diameter opening is disclosed.

  In the above structure, by having the pair of elastic claw pieces that can be bent, when the stem portion is pushed into the mounting hole, the pair of elastic claw pieces are pushed in while bending, and the pair of elastic claw pieces are inserted into the edge of the mounting hole. Are engaged, and the base portion is fixed to the mounting hole. Further, when removing the base portion from the mounting hole, the base portion is rotated in the above-mentioned fixed state, and the pair of elastic claw pieces are aligned with both the enlarged-diameter mouth portions of the mounting hole edge so that the base portion is removed from the mounting hole. Can be removed.

  Further, Patent Document 2 below has a substantially rectangular tube shape, and has a pair of elastic engagement pieces that engage with attachment holes (panel holes) on a pair of opposing side surfaces, and a window-shaped through portion on the other opposing side surface. A female part, a head, and a leg that enters the female part and is rotatably held in the female part, and projects outward from the female part through the female part. An attachment body including a male part having a pair of elastic engagement claws that engage with the attachment holes is described.

  Then, when the male part is assembled to the female part and pushed into the rectangular mounting hole, the pair of elastic hooking claws on the female part side engage with the opposite side edges of the mounting hole, and the other side of the mounting hole. A pair of elastic hooking claws on the male part side engage with the edges, so that the attachment body is attached to the attachment hole. On the other hand, by rotating the male part with respect to the female part from the above state, the elastic engagement claw of the male part is drawn from the through part of the female part, the engagement with the mounting hole is released, and the male part is replaced with the female part. It can be removed from. Moreover, a female part can be removed from an attachment hole by removing the elastic hooking nail | claw of a female part from an attachment hole.

Japanese Patent No. 3634669 JP 2006-90349 A

  In the automobile sun visor holding structure of Patent Document 1, since the pair of elastic claw pieces only engage with the mounting hole, the fixing force with respect to the mounting hole is relatively small, and rattling may occur.

  On the other hand, in the attachment body of Patent Document 2, a pair of elastic engagement claws on the female part side and the male part side are engaged with the attachment hole, respectively, and a total of four elastic engagement pieces are engaged with the attachment holes. Therefore, it can be attached to the mounting hole relatively firmly. However, since it has a two-piece configuration of a female part and a male part, there is a disadvantage that the number of parts increases and the manufacturing cost increases. Also, when removing from the mounting hole, rotate the male part with respect to the female part, release the engagement of the elastic hooking claw from the mounting hole, remove the male part from the female part, and then the elasticity of the female part. The operation of removing the hooking claw from the mounting hole is necessary and complicated.

  Accordingly, an object of the present invention is to provide a component attachment device that can firmly fix a component to a mounting hole without rattling and can easily remove the component from the mounting hole.

  In order to achieve the above object, the present invention is an attachment device for attaching a component to an attachment hole, and a base portion that contacts the front peripheral edge of the attachment hole, and extends from the contact surface side of the base portion. A cylindrical leg inserted into the mounting hole, and a first engaging claw and a second engaging claw disposed opposite to each other on the peripheral wall of the leg, and facing each other in the same manner. A third engagement claw and a fourth engagement claw arranged in the first engagement claw, and both the first engagement claw and the second engagement claw can be bent inwardly. The claw and the fourth engagement claw are configured such that at least the third engagement claw can be bent inward, and each of the engagement claws bulges in an outer diameter direction and engages with a rear peripheral edge of the attachment hole. An end portion of the engaging portion of the first engaging claw and the second engaging claw on the side close to the third engaging claw is directed to the end portion. And the end of the third engaging claw is in the state in which the third engaging claw is engaged with the rear peripheral edge of the mounting hole. An apparatus for mounting a part is provided, which is configured to protrude to the surface side of the head.

  In the present invention, when the engaging portion of each engaging claw of the leg portion is engaged with the rear peripheral edge of the mounting hole, the engaging portion of the first engaging claw and the second engaging claw is It is preferable that the end portion on the side close to the third engagement claw is substantially at the same position as the inner peripheral edge of the mounting hole, or is located inside the inner peripheral edge.

  In the present invention, the inclined surface is a substantially triangular taper formed at the end of the first engaging claw and the second engaging claw on the side close to the third engaging claw. It is preferable to consist of a surface.

  In the present invention, it is preferable that the fourth engagement claw is a fixed engagement claw that does not bend inward.

  In this invention, it is preferable that the notch groove which the edge part of this 3rd engagement nail | claw enters is formed in the part in which the edge part of the said 3rd engagement nail | claw of the said base part is located.

  In the present invention, it is preferable that the base portion is provided with a holding portion that holds the shaft portion of the sun visor.

  According to the present invention, when the leg portion is inserted into the attachment hole, each engagement portion of the four engagement claws engages with the rear side periphery of the attachment hole, so that the component is firmly fixed to the attachment hole without rattling. be able to. In addition, since the four engaging claws that engage with the periphery of the mounting hole are formed on the leg portion and have a one-piece configuration with only one component, the number of components can be reduced and the manufacturing cost can be reduced.

  On the other hand, when removing the component from the mounting hole, the end of the third engaging claw protruding to the front side of the mounting hole is pushed inward to disengage the engaging claw, and the engaging portion of the fourth engaging claw The leg portion is gradually pulled out from the third engagement claw side by rotating around the fulcrum.

  At this time, the ends of the engaging portions of the first engaging claw and the second engaging claw on the side close to the third engaging claw are cut by an inclined surface that gradually decreases toward the inner diameter side toward the end. Since it is missing, the ends of the engaging portions of the first engaging claw and the second engaging claw are not caught on the periphery of the mounting hole, and can be pulled out so as to slip out. As a result, the leg portion can be smoothly removed from the mounting hole, and the workability for removing the parts can be improved.

The one embodiment at the time of applying the component attachment device of the present invention to the holder for sun visor is shown, (A) is the perspective view, and (B) is the perspective at the time of seeing from the direction different from (A). FIG. (A) is a front view of the holder for the sun visor, (B) is a cross-sectional view taken along the line I-I in (A), (C) is a cross-sectional view taken along the line II-II in (A), (D) These are sectional drawings in the III-III arrow line of (A). (A) is explanatory drawing which shows the state which attached the holder for sun visors to the attachment hole, (B) is sectional drawing in the IV-IV arrow line of (A). (A) is explanatory drawing which shows a state when removing the holder for sun visors from an attachment hole, (B) is sectional drawing in the VV arrow line of (A). (A) is when the sun visor holder is removed from the mounting hole, and is an explanatory view in a state in which the leg portion is rotated more than in FIG. 6, (B) is along the VI-VI arrow line of (A). It is sectional drawing.

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

  The component mounting device of the present invention is applied to mount a component such as a sun visor holder for detachably holding a shaft portion of a sun visor in a mounting hole of a mounted member such as a ceiling wall portion of an automobile. The In this embodiment, the sun visor holder 10 (hereinafter referred to as “holder 10”) shown in FIG. 1 constitutes a component in the present invention. Note that the component mounting device according to the present invention can be applied to components such as a cover, an assist grip, and a convenience store hook, and the components are not particularly limited.

  Moreover, the to-be-attached member to which the holder 10 of this embodiment is attached is the panel member 1 in which the square hole-shaped attachment hole 3 was formed, and the square hole shape larger than the said attachment hole 3, as shown in FIGS. The opening 7 is formed, and the trim member 5 is arranged on the front side of the panel member 1.

  Referring to FIGS. 1 and 2, the holder 10 as a component in the present invention includes a base 20 that indirectly contacts the front peripheral edge of the mounting hole 3 via the trim member 5, and the contact of the base 20. A cylindrical leg portion 30 that extends from the surface side and is inserted into the mounting hole 3 is provided. In the present invention, the “base portion that comes into contact with the front side peripheral edge of the mounting hole” means that it includes what indirectly contacts the front side peripheral edge of the mounting hole 3 through the trim member 5 or the like as described above.

  Explaining each component, the base 20 has a rectangular shape that extends long in one direction, and a holding portion 21 having a C-shaped cross section extends from one end in the longitudinal direction to releasably hold a shaft portion of a sun visor (not shown). Has been issued.

  Further, as shown in FIG. 1 (A), a notch groove 22 having a predetermined width is formed at the center in the width direction at one end in the longitudinal direction of the base 20 on the side where the holding portion 21 is extended. A free end portion of a third engagement claw 45 to be described later enters this. Further, extension grooves 22 a and 22 a having a predetermined width are formed on both the left and right sides of the notch groove 22.

  On the other hand, the leg portion 30 is composed of a pair of side walls 31, 31 arranged to face each other along the longitudinal direction of the base portion 20, and connecting walls 33, 33 connected to the pair of side walls 31, 31. In addition, it has a substantially rectangular tube-shaped peripheral wall having an open end (see FIGS. 1 and 2). A first engagement claw 35 and a second engagement claw 40 are disposed opposite to the pair of side walls 31, 31, and the first engagement claw 35 and The third engagement claw 45 and the fourth engagement claw 50 are arranged to face each other in a direction orthogonal to the second engagement claw 40.

  Specifically, each engagement claw will be bent to the inside of the leg portion 30 formed on the pair of side walls 31 and 31 through the U-shaped slit 31a so that the free end faces the base portion 20 side. Possible first engaging claws 35 and second engaging claws 40 are respectively provided.

  As shown in FIGS. 1 and 2, on the outer surfaces of the engaging claws 35 and 40, taper portions 36 and 41 that gradually protrude in the outer diameter direction from the distal end side of the leg portion 30 toward the base portion 20, and the taper portions. It has an inclined step portion formed by abruptly reducing the diameter from the top portion of 36, 41 toward the base portion 20, and has engaging portions 37, 42 that engage with the rear side periphery of the mounting hole 3.

  As shown in FIGS. 2A and 3A, the engagement portions 37 and 42 of the first engagement claw 35 and the second engagement claw 40 on the side close to the third engagement claw 45 are provided. The end A is cut away by inclined surfaces 38 and 43 that gradually become lower toward the inner diameter side toward the end A. In this embodiment, the inclined surfaces 38 and 43 are places on the top formed between the end A of the engaging portions 37 and 42, the tapered portions 36 and 41, and the engaging portions 37 and 42. A triangular slope connecting B and a location C on one side edge of the tapered portions 36 and 41 is formed. However, the shape of the inclined surfaces 38 and 43 is not particularly limited, and may be any inclined surface that gradually decreases toward the end portions A of the engaging portions 37 and 42.

  Further, when the engaging portions 37 and 42 of the first engaging claw 35 and the second engaging claw 40 are engaged with the peripheral edge on the back side of the mounting hole 3, the third engaging portions 37 and 42 are engaged with each other. The end portion A on the side close to the claw 45 is configured to be at substantially the same position as the inner peripheral edge of the mounting hole 3 or to be located inside the inner peripheral edge. 2 (B), (C), and (D) are cross-sectional views taken along lines II, II-II, and III-III in FIG. As shown in FIGS. 5B and 5C, the middle part of each engaging part 37, 42 reaching the third engaging claw 45 is located on the outer periphery of the mounting hole 3, but the end part A As shown in FIG. 3D, which is a cross-sectional view taken along the line III-III, passing through, the end A on the third engagement claw 45 side of each engagement portion 37, 42 corresponds to the attachment hole 3. It is located so as to enter inside from the inner periphery.

  As shown in FIG. 1A, a pair of slits 48, 48 are formed in the connecting wall 33 on the inclined surfaces 38, 43 side of the respective engaging claws 35, 40 along the axial direction thereof. Through the slits 48, 48, the third engaging claw 45 is formed so as to be able to bend inside the leg portion. Further, as shown in FIG. 1 (B), the other connecting wall 33 arranged to face the connecting wall 33 on which the third engaging claw 45 is formed has a slit like the one connecting wall 33 described above. Without being formed, a pair of protruding ribs protrudes along the axial direction on both sides in the width direction, and these constitute a fixed fourth engaging claw 50 that does not bend inwardly.

  Similar to the first engagement claw 35 and the second engagement claw 40, the third engagement claw 45 and the fourth engagement claw 50 are provided on the outer surface thereof from the distal end portion of the leg portion 30 toward the base portion 20. Taper portions 46 and 51 gradually projecting in the outer diameter direction, and stepped portions formed so as to incline so that the diameter of the taper portions 46 and 51 is rapidly reduced toward the base portion 20. 3 and engaging portions 47 and 52 that engage with the rear peripheral edge. Further, the free end portion of the third engagement claw 45 on the base portion 20 side enters the notch groove 22 of the base portion 20 in a free state where the third engagement claw 45 is not bent to the inside of the leg portion. The 45 engaging portions 47 are configured to protrude to the front surface side of the mounting hole 3 in a state of being engaged with the back side periphery of the mounting hole 3.

  Next, a procedure for attaching the holder 10 as a component to the attachment hole 3 and a procedure for removing the holder 10 from the attachment hole 3 using the component attachment device of the present invention having the above-described configuration will be described. .

  As shown in FIGS. 2 and 3, first, the first engagement claw 35 and the second engagement claw 40 of the leg portion 30 are aligned with the long side of the attachment hole 3 of the panel member 1. The third engagement claw 45 and the fourth engagement claw 50 are aligned with the short side, and the leg 30 is inserted into the mounting hole 3 through the opening 7 of the trim member 5. At this time, the leg portion 30 is inserted in a slightly inclined state so that the fourth engagement claw 50 is inserted into the mounting hole 3 first, and the engagement portion 52 of the fourth engagement claw 50 is inserted. Engage with the peripheral edge of the back surface of the mounting hole 3. Then, the first engagement claw 45 is pushed into the attachment hole 3 so that the fourth engagement claw 50 is rotated about the engagement portion 52 of the fourth engagement claw 50 with respect to the attachment hole 3. The claw 35, the second engagement claw 40 and the third engagement claw 45 are pushed into the mounting hole 3. Then, these engaging claws 35, 40, 45 are elastically deformed and pass through the attachment hole 3 while being bent inward, and engage with the peripheral edge of the back surface of the attachment hole 3, respectively. At the same time, the holder 10 can be attached to the attachment hole 3 in a state where the base portion 20 of the holder 10 is engaged with the front peripheral edge of the opening 7 of the trim member 5 and the panel member 1 and the trim member 5 are sandwiched. (See FIGS. 2 and 3).

  In this component mounting apparatus, when the leg portion 30 is inserted into the mounting hole 3 as described above, the engaging portions 37, 42, 47, 52 of the four engaging claws 35, 40, 45, 50 are provided. Are respectively engaged with the rear peripheral edge of the mounting hole 3, so that the holder 10, which is a component, can be firmly fixed to the mounting hole 3 without rattling.

  Further, four engaging claws 35, 40, 45, 50 that engage with the back side peripheral edge of the mounting hole 3 are formed on the leg portion 30. Since the one-piece configuration of only one part is produced, the number of parts is reduced. Cost can be reduced.

  By the way, there are cases where it is desired to remove a part attached to the attachment hole 3 for reasons such as part replacement or recycling. In this case, in this component mounting device, the inclined surfaces 38 and 43 provided on the first engagement claw 35 and the second engagement claw 40 act as follows and are easy to remove. This removal work will be described below.

  First, the tip of a tool such as a flat-blade screwdriver is inserted into the notch groove 22 of the base 20 shown in FIG. 1A, and the free end on the base side of the third engagement claw 45 is pressed to form the third engagement. The nail | claw 45 is bent inside a leg part and the engagement with respect to the attachment hole 3 of the engaging part 47 is cancelled | released.

  As described above, in this embodiment, the notch groove 22 into which the free end portion of the third engagement claw 45 is inserted is formed in the base portion 20, so that an operation for simply pushing the tool into the notch groove 22 is performed. Thus, the third engagement claw 45 can be bent inward to release the engagement. Further, since the end portion of the third engagement claw 45 can be visually recognized from the notch groove 22, it is easy to confirm the end portion of the engagement claw to be removed from the attachment hole 3 at the time of removal, and the removal workability can be improved. it can.

  And in the said state, as shown to FIG. 4 (A), the 3rd engaging claw 45 side of the leg part 30 is lifted by using the engaging part 52 of the 4th engaging claw 50 of the leg part 30 as a fulcrum. In other words, the leg 30 is pulled out from the third engagement claw 45 side by the lever principle. That is, the leg part 30 is rotated with the engaging part 52 of the fourth engaging claw 50 of the leg part 30 as a fulcrum, and is gradually pulled out from the third engaging claw 45 side.

  Then, the inclined surfaces 38 and 43 of the first engagement claw 35 and the second engagement claw 40 are pressed against the inner periphery of the mounting hole 3 so that the first engagement claw 35 and the second engagement claw 40 are inward. The first engagement claw 35 and the second engagement claw 40 are gradually extracted from the mounting hole 3 by bending. Thus, when the engaging portions 37 and 47 of the first engaging claw 35 and the second engaging claw 40 pass through the mounting hole 3, all the engaging claws 35, 40, 45 and 50 are disengaged. The leg 30 can be pulled out from the mounting hole 3 by lifting the leg 30 upward.

  Thus, in this component mounting apparatus, the end portions of the first engaging claws 35 and the second engaging claws 40 on the side close to the third engaging claws 45 of the engaging portions 37 and 42 are as follows. Since the inclined surfaces 38 and 43 gradually decrease toward the inner diameter side toward the end portions, the leg portions 30 are formed using the engaging portions 52 of the fourth engaging claws 50 of the leg portions 30 as fulcrums. It can be rotated and smoothly pulled out from the third engagement claw 45 side so that the workability of removing the holder 10 as a part can be improved.

  In this embodiment, when removing the component (holder 10) from the attachment hole 3, the end of the third engagement claw 45 protruding to the front side of the attachment hole is pushed inward, so that the third engagement claw 45 When releasing the engagement and rotating around the engaging portion 52 of the fourth engaging claw 50 as a fulcrum, the engaging portions 37, 42 of the first engaging claw 35 and the second engaging claw 40 are The end A (see FIG. 2) on the side close to the third engagement claw 45 is at the same position as the inner peripheral edge of the mounting hole 3 or, as shown in FIG. Since the engagement portions 37 and 42 of the first engagement claw 35 and the second engagement claw 40 are not caught by the attachment hole 3, the attachment hole is formed from the end portion side. 3 can be pulled out smoothly and the leg 30 can be pulled out.

  Furthermore, in this embodiment, the inclined surface formed in the edge part of the side close | similar to the 3rd engagement nail | claw 45 of each engagement part 37 and 42 of the 1st engagement nail | claw 35 and the 2nd engagement nail | claw 40. 38, 40, as described above, a triangular slope connecting the end A of the engaging portions 37, 42, the location B on the top, and the location C on one side edge of the tapered portions 36, 41. Therefore, when the leg 30 is pulled out from the mounting hole 3, the first engagement claw 35 and the second engagement claw 40 can be more easily removed, and the first engagement claw 35 and the second engagement claw 40 can be removed. The slope can be formed while minimizing a decrease in the rigidity of the joint claw 40.

  Moreover, in this embodiment, the 4th engaging claw 50 has comprised the fixed engaging claw which does not bend inward. Therefore, when the component (holder 10) is removed from the mounting hole 3, when the pivoting portion 52 of the fourth engagement claw 50 is rotated as a fulcrum, the fulcrum is firmly supported and the leg 30 can be easily pulled out. can do. Further, by making one of the four engaging claws formed on the leg portion 30 a fixed engaging claw, it is possible to more reliably prevent rattling and firmly fix the component to the mounting hole 3. be able to.

  Furthermore, in this embodiment, since the shaft portion of the sun visor (not shown) can be held by the holding portion 21 provided in the base portion 20, the sun visor (not shown) is loosely attached to the mounting hole 3 provided in the ceiling wall portion of the automobile. It can be attached without attachment, and the sun visor can be easily removed from the attachment hole 3.

  Further, in this embodiment, the fourth engagement claw 50 is fixed so as not to bend to the inner side of the leg portion. However, like the other engagement claws, the fourth engagement claw 50 can be bent to the inner side of the leg portion. Good. In this case, when the leg portion 30 is inserted into the attachment hole 3, the fourth engagement claw 50 is bent by being pressed by the inner periphery of the attachment hole, so that the leg portion 30 is inclined when being inserted into the attachment hole 3. Without being inclined, it can be inserted straight into the mounting hole 3 with a relatively small pushing force, and the mounting workability can be improved.

3 Mounting hole 10 Sun visor holder (holder)
20 base 22 notch groove 30 leg 35 first engaging claw 37 engaging portion 38 inclined surface 40 second engaging claw 42 engaging portion 43 inclined surface 45 third engaging claw 47 engaging portion 50 fourth engagement Claw 52 engaging part

Claims (6)

A mounting device for mounting a part in a mounting hole,
A base that abuts on the front side periphery of the mounting hole; and a cylindrical leg portion that extends from the abutting surface side of the base and is inserted into the mounting hole.
A first engaging claw and a second engaging claw that are arranged to face each other on the peripheral wall of the leg portion, and a third engaging claw and a fourth engaging claw that are also arranged between the first engaging claw and the second engaging claw that are arranged therebetween Is provided,
The first engagement claw and the second engagement claw can both be bent inward, and at least the third engagement claw can be bent inward by the third engagement claw and the fourth engagement claw. Is possible,
Each of the engaging claws has an engaging portion that bulges in the outer diameter direction and engages with the rear peripheral edge of the mounting hole,
The end portions of the engaging portions of the first engaging claws and the second engaging claws on the side close to the third engaging claws are cut by an inclined surface that gradually decreases toward the inner diameter side toward the end portions. Is missing,
The end portion of the third engagement claw is configured to protrude to the front surface side of the attachment hole in a state where the third engagement claw is engaged with the rear peripheral edge of the attachment hole. Equipment for mounting parts.   When the engaging portion of each engaging claw of the leg portion is engaged with the back side periphery of the mounting hole, the third engaging of the engaging portion of the first engaging claw and the second engaging claw 2. The component mounting apparatus according to claim 1, wherein an end portion on the side close to the claw is located at substantially the same position as the inner peripheral edge of the mounting hole or is positioned inside the inner peripheral edge. .   The inclined surface is formed of a substantially triangular tapered surface formed at an end portion of the first engagement claw and the second engagement claw on a side close to the third engagement claw. The component mounting apparatus according to 1 or 2.   The component attachment device according to claim 1, wherein the fourth engagement claw is a fixed engagement claw that does not bend inward.   The notch groove which the edge part of this 3rd engagement nail | claw enters is formed in the part in which the edge part of the said 3rd engagement nail | claw of the said base part is located. Equipment mounting equipment.   The component mounting apparatus according to claim 1, wherein the base portion is provided with a holding portion that holds a shaft portion of a sun visor.