JP5526446B2 - Attachment / detachment structure for automobiles - Google Patents

Description

  The present invention relates to a detachable component attaching / detaching structure in which an attachable / detachable component is detachably attached to an attachment target in an automobile.

The structure which attaches the detachable component in a motor vehicle to a to-be-attached object is disclosed by patent document 1,2.
In patent document 1, the switch cover structure for attaching the switch cover which is a detachable part to the instrument panel which is a mounting object is disclosed. The switch cover is inserted in the recess for assembling the switch. A mounting hole is formed in the bottom wall of the switch assembly recess, and a locking claw is formed in the switch cover. When the switch cover is inserted into the recess for assembling the switch, the locking claw is fitted into the mounting hole and locked to the bottom wall.

The locking claw is fitted into the mounting hole while being elastically deformed, and when the locking claw has been fitted into the mounting hole, the locking claw is hooked on the opening edge on the back side of the bottom wall of the locking hole.
In patent document 2, the switch apparatus for attaching a switch to an attachment board is disclosed. A casing is integrally formed on the mounting plate, and the switch body is fitted into the casing. A hole-shaped locking portion is formed on the inner wall of the casing, and a locked portion is formed on the switch body. When the switch body is inserted into the casing, the locked portion (hereinafter referred to as a locking claw) is fitted into the hole-shaped locking portion (hereinafter referred to as a mounting hole) and locked to the side wall. Is done.

The locking claw is fitted into the mounting hole while being elastically deformed. When the locking claw has been fitted into the mounting hole, the locking claw is hooked on the opening edge on the inner surface side of the locking hole.
Part of the locking claw disclosed in Patent Document 1 protrudes from the opening edge on the bottom wall back side of the locking hole toward the back surface of the bottom wall, and part of the locking claw disclosed in Patent Document 2 It penetrates into the mounting hole from the inner surface of the side wall. The amount of protrusion and the amount of penetration influence the ease of removal of the locking claw, and in order to make it difficult for the locking claw to come off (that is, to make it difficult to remove parts), the amount of protrusion and the amount of penetration should be increased. .

Japanese Utility Model Publication No. 6-997 JP 2000-322969 A

  However, when the amount of protrusion and the amount of penetration are increased, the locking claw is greatly elastically deformed. However, when this is done, the load at the time of assembling the components increases, making it difficult to assemble the components. Moreover, it becomes difficult to remove the assembled parts.

  A measure to increase the rigidity of the locking claw without increasing the amount of protrusion and the amount of entry is also conceivable. However, when the rigidity of the locking claws is increased, the load at the time of assembling the components increases, making it difficult to assemble the components, and it becomes difficult to remove the assembled components.

  An object of the present invention is to enable easy attachment / detachment of a detachable component while ensuring the stability of the attachment state of the detachable component attached to an attachment target in an automobile.

The present invention is detachable parts in a car intended for detachable part detachable structure that is removably attached to the attachment object, the invention of claim 1, wherein the attaching target Target is formed with retaining portions over the , before Symbol detachable parts are the locking portion and the hook stopper portion integrally formed raised portion over the formation, the hook stopper portion includes a sliding contact guide surface the the stop part over the said guide An engagement edge that is continuous with a surface, and the engagement edge can be locked to the hooked portion, and the hooking portion with respect to the hooked portion is bent by pulling up the lifting portion and bending the detachable part. The guide surface is formed in a shape that allows the latched portion to escape in a crossing direction that intersects the assembling direction of the latching portion, and the latching portion is assembled and moved with respect to the latched portion. But Serial elastically deformed into different different direction and the intersecting direction and the hook stopper portion said assembly direction in sliding contact state to stop unit over the.

  The state where the engagement edge is engaged with the side portion of the latched portion is a state where the latching portion is latched on the latched portion. When removing the detachable component, the engagement edge is relatively moved in the direction opposite to the intersecting direction and removed from the side portion of the latched portion. The mounting direction of the removable parts during assembly (relative movement direction of the latching part) and the relative movement direction of the latching parts during removal are different, ensuring the stability of the mounting state of the removable parts (hard to come off in the installed state) It is possible to easily attach and detach the detachable component while securing the thickness.

In a preferred example, the latching portion has a flat plate shape and is formed in a shape extending in the assembly direction, and the latching portion having the flat plate shape is elastically deformed in the plate thickness direction.
When assembling the detachable part, the latching part elastically deforms in the plate thickness direction while the guide surface of the latching part slides on the tip of the latched part, and the sliding of the guide surface with respect to the tip of the latched part ends. The engagement edge engages with the side portion of the latched portion by the elastic deformation recovery of the latching portion in the plate thickness direction.

In a preferred example, the engaging edge is formed on a side edge of the flat plate-shaped hooking portion.
In a preferred example, the detachable part is formed with a second latching portion on which the engagement edge is not formed, and the attachment target is a second latching portion on which the second latching portion can be locked. 2 hooked portions are formed, and the engagement edge is formed only on one side edge in the intersecting direction of the pair of side edges of the flat plate-shaped hooking portion, The second latching portion is formed only on one side in the intersecting direction from the latching portion on which the engagement edge is formed, and the lifting portion is a latch on which the engagement edge is formed. It is formed on the other side in the intersecting direction from the stop portion.
In a preferred example, the object retaining portion is formed in a protrusion shape, and the engagement edge, the side edge of the guide surface is formed notch, the engagement edge and the object retaining portion Are engaged with each other, and the latched portion and the latched portion are locked.

The good suitable examples, the vehicle includes a center console box, the detachable component is a switch base to be fitted into the mounting holes provided on the upper surface of the center console box, the mounting hole A member different from the switch base is attached to either side of the crossing direction .

  There may be a load on the upper surface of the center console box, such as a person's elbow. Even if the deformation on the side to be latched by this load is a deformation in the assembling direction, the engaging edge does not come off from the latched portion. That is, the stability of the attachment state of the detachable component is ensured.

  The present invention has an excellent effect that attachment / detachment of a detachable component can be easily performed while securing stability of the attachment state of the detachable component attached to an attachment target in an automobile.

A 1st embodiment is shown and (a) is a top view of a center console box. (B) is a side view of a console box. The EE line expanded sectional view of Drawing 1 (b). The cross-sectional view of the switch base. The perspective view of a switch base. (A) is one side view of a switch base. (B) The other side view of a switch base. (C) is CC sectional view taken on the line of FIG. (D) is the DD sectional view taken on the line of FIG. (A) is an AA line expanded sectional view of Drawing 5 (a). (B) is the EE sectional view taken on the line of Fig.6 (a). (C) is the BB sectional drawing of Fig.5 (a). (D) is a partial expanded side sectional view showing the latching piece 33B and the latching protrusion 35B. (A) is an expanded sectional view which shows the state in which the switch base is being inserted in the attachment hole. (B) is a partial sectional side view showing a state in which the latching piece 33A is removed from the latching protrusion 35A. The partial expanded side sectional view which shows latching piece 34A, 34B, 34C.

  Hereinafter, an embodiment embodying the present invention will be described with reference to FIGS. In addition, the arrow S shown to Fig.1 (a) shows the front-back direction of a motor vehicle, and the left side of a paper surface becomes the front of a motor vehicle in FIG. The switch base 18 will be described with the front direction of the automobile as the front and the rear direction of the automobile as the rear in the state of being attached to the center console box 14.

  As shown to Fig.1 (a), the center console box 14 which is the attachment object made from a synthetic resin is installed between the pair of front seats 12 and 13 in the compartment 11 of a motor vehicle (not shown). . As shown in FIG. 1B, the upper surface 141 of the center console box 14 between the shift lever 15 on the front side of the center console box 14 and the side brake 16 on the rear side of the center console box 14 A mounting hole 17 is formed.

  As shown in FIG. 1A, the mounting hole 17 is fitted with a switch base 18 that is a synthetic resin detachable part. An insertion hole 19 is connected to the rear portion of the attachment hole 17, and the side brake 16 is passed through the insertion hole 19.

  As shown in FIG. 2, the mounting hole 17 includes a front wall 20, a pair of side walls 21 and 22 that are continuous with the front wall 20, a rear wall 23 that is continuous with one side wall 21, and a side wall 22 that is continuous with the rear wall 23. It forms from the side wall 24 which opposes. The front wall 20, the side walls 21, 22, 24, and the rear wall 23 are all formed integrally with the center console box 14 so as to hang down from the upper surface 141 (see FIG. 1A).

  As shown in FIG. 3, the switch base 18 includes a front wall 25 that faces the front wall 20, a side wall 26 that faces the side wall 21, a side wall 27 that faces the side wall 22, and an intermediate wall 28 that faces the rear wall 23. And a peripheral wall 31 composed of a side wall 29 facing the side wall 24 and a rear wall 30 connecting the side walls 27, 29. An annular flange 32 extending outward is integrally formed on the upper edge of the peripheral wall 31.

As shown in FIG. 4, a plurality of switch mounting holes 181 are formed in the ring of the flange 32, and a switch (not shown) is mounted in each switch mounting hole 181.
As shown in FIG. 3, a plurality of retaining pieces 33A, 33B, 34A, 34B, and 34C are integrally formed on the lower surface of the flange 32 so as to hang down.

  As shown in FIG. 5A, a latching piece 33A as a latching portion is formed in a hanging manner on the rear side of the flange 32 on the side wall 27 forming the peripheral wall 31, and the front side of the flange 32 on the side wall 27 side. A latching piece 34A is suspended from the part side.

  As shown in FIG. 5B, a latching piece 33 </ b> B as a latching portion is suspended from the flange 32 on the side wall 29 that forms the peripheral wall 31, and the flange 32 on the side wall 26 that forms the peripheral wall 31. A hanging piece 34B is formed to hang down. A hooking piece 34 </ b> C is suspended from a flange 32 on the front wall 25 side that forms the peripheral wall 31.

  As shown in FIG. 5C, hooking protrusions 35A and 36A as hooking portions are formed on the side wall 22 forming the attachment hole 17. As shown in FIG. In a state where the switch base 18 is attached to the center console box 14, a latching piece 33A is latched on the latching projection 35A, and a latching piece 34A is latched on the latching projection 36A.

  As shown in FIG. 5D, a hooking projection 35B is formed on the side wall 24 that forms the mounting hole 17. As shown in FIG. A hooking protrusion 36 </ b> B is formed on the side wall 21 that forms the mounting hole 17. A hooking protrusion 36 </ b> C is formed on the front wall 20 that forms the attachment hole 17. In a state where the switch base 18 is attached to the center console box 14, a latching piece 33B is latched on the latching projection 35B. A latch piece 34B is latched on the latch projection 36B. A latch piece 34C is latched on the latch projection 36C.

  As shown in FIG. 8, the flat plate-shaped latching pieces 34A, 34B, 34C are suspended from the base end side of the latching pieces 34A, 34B, 34C on the side facing the latching protrusions 36A, 36B, 36C. It is formed in a shape having an ascending slope surface 341 that rises toward the top and a descending slope 342 that descends from the top of the ascending slope surface 341. Ascending slope surfaces 341 are engaged with the latching projections 36A, 36B, and 36C, and the latching pieces 34A, 34B, and 34C are latched on the latching projections 36A, 36B, and 36C. The latching pieces 34A, 34B, and 34C are substantially the same as the latching claws disclosed in Patent Document 1.

  As shown in FIG. 6A, the latching piece 33 </ b> A is formed in a flat plate shape, and an inclined surface 331 is formed below the guide surface 330 of the latching piece 33 </ b> A facing the side wall 22. The inclined surface 331 is formed in a shape of a descending slope that is separated from the side wall 22 as it goes from the proximal end side of the latching piece 33A toward the hanging direction.

  As shown in FIG. 6B, a concave portion 37A is formed on the side edge 332 of the side edges 332 and 333 of the latch piece 33A. The recess 37 </ b> A includes a bottom 371, an engagement edge 372 formed by cutting out the side edge 332 from one end on the lower side of the bottom 371, and a side edge 332 from the other end on the upper side of the bottom 371. And an inner edge 373 connected to the inner edge 373.

As shown in FIG. 6C, the interval between the engaging edge 372 and the inner edge 373 is set such that the latching protrusion 35A can enter from the opening side of the recess 37A.
As shown in FIG. 6D, the shape of the latching piece 33B is such that the position where the concave portion 37B of the latching piece 33B is formed is the side opposite to the side edge 332 where the concave portion 37A of the latching piece 33A is formed. Only the point formed on the edge 333 is different from the latch piece 33A. The same reference numerals are given to the bottom, engagement edge, and inner edge of the recess 37B having the same shape as the bottom 371, engagement edge 372, and inner edge 373 of the recess 37A, and detailed description thereof is omitted.

  The concave portion 37A of the latching piece 33A is opened toward the latching piece 34A side [to the front of the automobile (toward the left side in FIG. 1 (a)), and the concave portion 37B of the latching piece 33B is open to the latching piece. It opens toward the 34B side (toward the front of the car).

As shown in FIGS. 4, 5 (a), and 5 (b), a lifting handle 182 is integrally formed at the rear portion of the switch base 18.
Next, the action of the latch piece 33A when the switch base 18 is assembled to the center console box 14 (the switch base 18 is fitted into the mounting hole 17) will be described.

  When the switch base 18 shown by the chain line in FIG. 7A is moved downward in the direction of arrow R and inserted into the mounting hole 17, the inclined surface 331 below the engaging edge 372 is the tip of the latching projection 35A. Slidably contact 351. The sliding contact between the inclined surface 331 below the engaging edge 372 and the tip 351 of the latching projection 35A is caused by the downward movement of the switch base 18 as shown by the solid line in FIG. The transition is made to the sliding contact between the lower guide surface 330 and the tip 351 of the latching projection 35A.

  When the switch base 18 moves downward from the position indicated by the chain line in FIG. 7A, the presence of the inclined surface 331 facilitates the entry of the latch piece 33A downward from the lower edge of the side wall 22. . The downward movement direction of the switch base 18 (the direction of the arrow R) is the direction in which the switch base 18 is assembled. Hereinafter, the assembly direction is referred to as an assembly direction R.

  When the guide surface 330 below the engaging edge 372 is in sliding contact with the tip 351 of the latching protrusion 35A, the plate-shaped latching piece 33A is elastically deformed in the direction away from the side wall 22, that is, in the thickness direction indicated by the arrow Q. To do. In the following, the plate thickness direction is referred to as plate thickness direction Q.

  When the engaging edge 372 passes below the lowermost edge of the tip 351 of the latching protrusion 35A, the latching protrusion 35A enters the recess 37A, and the engaging edge 372 is below the side portion 352 of the latching protrusion 35A. Engage with. Hereinafter, the lower portion of the side portion 352 is referred to as a side portion 352. This engaged state is a state in which the latching piece 33A is latched on the latching projection 35A.

  Similarly, the latching piece 33B is latched on the latching projection 35B. The state in which the latching pieces 33A and 33B are latched on the latching projections 35A and 35B is a state in which the switch base 18 is fitted in the mounting hole 17, that is, a state in which the switch base 18 is assembled to the center console box 14. It is.

  A plurality of ribs (not shown) are provided on the lower surface of the flange 32 of the switch base 18, and support portions (not shown) are provided on the front wall 20, the side walls 21, 22, 24 and the rear wall 23 of the center console box 14. More protruding. In a state where the switch base 18 is assembled to the center console box 14, the switch base 18 is supported with respect to the center console box 14 by the support portion and the rib coming into contact with each other.

  When the switch base 18 is assembled to the center console box 14, the latching pieces 34A, 34B, 34C are maintained in the state shown in FIG. 8 with respect to the latching protrusions 36A, 36B, 36C. That is, the tips of the latching protrusions 36A, 36B, and 36C are maintained in a state of being in contact with the ascending slope surface 341 of the latching pieces 34A, 34B, and 34C. In this state, the switch base 18 is biased toward the center console box 14 by the elastic deformation of the latching pieces 34A, 34B, and 34C, so that rattling of the switch base 18 is prevented.

  When the switch base 18 is removed from the mounting hole 17, the switch base 18 may be lifted by pinching the pull handle 182 and pulling it backward. Note that the rearward pull-up uses the bending of the switch base 18. By this pulling action, as shown in FIG. 7B, the latching piece 33A moves rearward, and the engaging edge 372 slides in contact with the lower part of the side portion 352 of the latching projection 35A. Similarly, the latching piece 33B also moves rearward, and the engaging edge 372 of the latching piece 33B slides on the lower part of the side portion 352 of the latching projection 35B.

  The sliding contact direction of the engagement edge 372 is a direction indicated by an arrow P, and the direction of the arrow P is an intersecting direction that intersects the assembly direction indicated by the arrow R. Hereinafter, the crossing direction is referred to as a crossing direction P. The plate thickness direction Q is a different direction different from the assembly direction R and the cross direction P. The engaging edge 372 is formed in a shape that can be locked to the side portions 352 of the hooking protrusions 35A and 35B and that the hooking protrusions 35A and 35B can be relatively released in the intersecting direction P.

  When the engaging edge 372 is disengaged from the lower part of the side portion 352 of the latching projections 35A and 35B, the latching pieces 33A and 33B are unlatched with respect to the latching projections 35A and 35B, and the latching pieces 33A and 33B are released. It can be lifted upward.

When the lifting handle 182 is further lifted, the latching pieces 34A and 34B and the latching piece 34C are sequentially detached, and the switch base 18 is taken out from the mounting hole 17.
In the first embodiment, the following effects can be obtained.

  (1) When the switch base 18 is assembled to the center console box 14, the guide surfaces 330 of the latching pieces 33A and 33B are in sliding contact with the tips 351 of the latching projections 35A and 35B. When the sliding contact of the guide surface 330 with the tip 351 of the latching protrusions 35A and 35B is completed, the engaging edge 372 engages with the side portion 352 of the latching protrusions 35A and 35B, and the latching pieces 33A and 33B. Is latched by the latching projections 35A and 35B. When the switch base 18 is removed, the engaging edge 372 is moved rearward and removed from the side portions 352 of the latching projections 35A and 35B. As described above, the assembly direction R of the switch base 18 at the time of assembly (the movement direction of the engagement edge 372 downward) and the movement direction of the engagement edge 372 at the time of removal (cross direction P) are different. Therefore, the stability of the mounting state of the switch base 18 is ensured, and the switch base 18 can be easily attached and detached.

  (2) When the load on the upper surface 141 of the center console box 14 due to contact with the body of the occupant, luggage, etc. is applied, and the side wall 22 or the side wall 24 is bent downward by this load (the assembly direction R of the switch base 18). There is. The center console box 14 in the vicinity where the switch base 18 is disposed is maintained rigid by two walls extending in the vehicle front-rear direction. In particular, the vicinity of the intersection between the rear wall 23 and the side wall 24 is not supported downward. It is easy to bend by the load from above. Even if it is such a bending deformation, the engagement edge 372 does not come off from the latching projections 35A and 35B, and the stability in the mounting state of the switch base 18 is ensured.

  (3) The latching pieces 34A, 34B, 34C latched on the latching projections 36A, 36B, 36C are released from the latching pieces 33A, 33B latched on the latching projections 35A, 35B. This is performed following the release of the latching of 33B. The latching pieces 34A, 34B, 34C and the latching pieces 33A, 33B are located away from the lifting handle 182 to the front side. The distance between the retaining pieces 34A and 34B from the lifting handle 182 is larger than the distance between the retaining pieces 33A and 33B from the lifting handle 182. Since the lifting handle 182 is lifted upward when the switch base 18 is removed, the larger the separation distance between the latching pieces 34A and 34B from the lifting handle 182 is, the larger the latching pieces 34A and 34B from the latching protrusions 36A and 36B are. Removal can be done with a small lifting force. Therefore, the configuration in which the latching pieces 34A and 34B are disposed farther than the latching pieces 33A and 33B from the pulling handle 182 contributes to easy removal of the switch base 18.

In the present invention, the following embodiments are also possible.
In the embodiment described above, the latch piece 33B and the latch projection 35B may be eliminated.

In the embodiment described above, the latch piece 33A and the latch projection 35A may be eliminated.
In the embodiment described above, the latching piece 33A and the latching protrusion 35A may be used instead of the latching piece 34A and the latching protrusion 36A.

In the embodiment described above, the latching piece 33B and the latching protrusion 35B may be used instead of the latching piece 34B and the latching protrusion 36B.
-A latching part may be provided in a detachable part, and a latching part may be provided in a to-be-attached object. In this case, the latching pieces 33A and 33B in the above-described embodiment are formed on the side walls 22 and 24 side and turned upside down so as to extend upward.

The present invention may be applied to a switch base of an automobile in which a switch for electrically opening and closing the window glass of the automobile is disposed inside the door.
-You may apply this invention to the detachable parts in motor vehicles other than a switch base.

The technical idea that can be grasped from the embodiment described above will be described below.
(A) The switch base includes an annular flange, the center console box has an attachment hole, and the latching portion is provided on at least one of the pair of side walls forming the attachment hole. The hook portion is formed at a portion of the flange corresponding to the side wall on which the hook portion is formed, and a lifting handle is separated rearward from the hook portion on the switch base. detachable parts removable structures in automobiles that provided at the position.

  14 ... Center console box to be attached. 141: Top surface. 17: Mounting hole. 18: Switch base as a detachable part. 33A, 33B: Hooks as a hanger. 330 ... Guide surface. 332 ... side edge. 35A, 35B ... Hook projections as hook portions. 352 .. side part. 372: engagement edge. R ... Assembly direction. P: Crossing direction. Q: Thickness direction.

Claims (6)

In the detachable component detachment structure in which the detachable component is detachably attached to the target in the automobile
Said to be attached Target is formed with retaining portions over the,
The front Symbol detachable part, and the stopper portion and the hook stopper portion integrally formed raised portion over is formed,
The latching portion has a guide surface that is slidably in contact with the latched portion, and an engagement edge that is continuous with the guide surface,
The engagement edge can be locked to the latched portion, and in a crossing direction that intersects with an assembly direction of the latching portion with respect to the latched portion by pulling up the lifting portion and bending the detachable part . It is formed in a shape that allows the hooked part to escape,
When the latching part is assembled and moved with respect to the latched part, the latching part is different from the assembly direction and the crossing direction in a state where the guide surface is in sliding contact with the latched part. A detachable component detachment structure in an automobile that elastically deforms in the direction.   The detachable component attaching / detaching structure for an automobile according to claim 1, wherein the latching portion is formed in a flat plate shape extending in the assembly direction, and the flat plate shaped latching portion is elastically deformed in a plate thickness direction.   The attachment / detachment component attaching / detaching structure for an automobile according to claim 2, wherein the engagement edge is formed on a side edge of the latching portion having the flat plate shape. The detachable part is formed with a second latching portion where the engagement edge is not formed,
The attachment target is formed with a second latching portion that can latch the second latching portion,
The engagement edge is formed only on one side edge in the intersecting direction of the pair of side edges of the flat plate-shaped hooking portion,
The second latching portion is formed only on one side in the intersecting direction from the latching portion on which the engagement edge is formed,
The detachable component attaching / detaching structure for an automobile according to claim 3, wherein the lifting portion is formed on the other side in the crossing direction with respect to the latching portion on which the engagement edge is formed . The hooking portion is formed in a protruding shape,
The engagement edge is formed as a notch in a side edge of the guide surface ,
The automobile according to any one of claims 1 to 4, wherein the latched portion and the latching portion are locked by engaging the latched portion and the engagement edge. Detachable parts detachable structure. The automobile includes a center console box, and the detachable part is a switch base that is fitted into an attachment hole provided on an upper surface of the center console box, and the attachment hole has any of the crossing directions. 6. A detachable component attaching / detaching structure for an automobile according to any one of claims 1 to 5 , wherein a member different from the switch base is attached to the side .

Images