JP5821682B2 - Anti-rattle structure for electrical parts - Google Patents

Description

  The present invention relates to a rattling prevention structure for an electrical component, and more particularly, to easily change the specification of the rattle prevention structure without changing the structure of the electrical component itself fixed to the vehicle body panel.

  Many electrical components such as a protector that accommodates and holds a wire harness routed in a vehicle are fixed to the vehicle body panel by bolt fastening, clip locking, or the like. For example, in Japanese Utility Model Laid-Open No. 63-103078 (Patent Document 1), as shown in FIGS. 10A and 10B, the vehicle body is placed at a predetermined position of a protector (fixing tool) 1 that holds the wire harness W / H. The protector 1 is fixed to the vehicle body panel 4 by projecting a fixing clip 2 and inserting and locking the clip 2 in an attachment hole 5 provided in the vehicle body panel 4. Moreover, in patent document 1, the elastic piece 3 which has flexibility from the edge of the protector 1 is protrudingly provided.

  10B, when the protector 1 is fixed to the vehicle body panel 4, the elastic piece 3 is elastically deformed and pressed against the surface of the vehicle body panel 4, thereby causing the elastic piece 3 to vibrate. Absorbing and suppressing the backlash of the protector 1 can prevent the generation of abnormal noise.

Japanese Utility Model Publication No. 63-103078

  On the other hand, the elastic piece 3 forming the anti-rattle structure may have to change specifications such as dimensions and shape according to the structure of the vehicle body panel 4 for fixing the protector 1 and the arrangement state of the peripheral members. Since the elastic piece 3 is integrally formed with the protector 1 in the configuration of Patent Document 1, the entire protector 1 must be newly manufactured in accordance with the specifications of the elastic piece 3 to be changed, which increases costs. There is a problem.

  The present invention has been made in view of the above problems, and it is an object of the present invention to easily change the specification of the rattling prevention structure without changing the structure of the electrical component itself fixed to the vehicle body panel.

In order to solve the above-described problems, the present invention provides an electrical component fixed to a vehicle body panel including a vehicle body fixing portion fixed to a mounting means formed of a mounting hole or a bolt provided in the vehicle body panel. Provided with a plurality of locking holes on the outer wall including the bottom wall and the side wall for removably attaching the material to prevent looseness of the material,
The anti-rattle material is formed of an elastic material, and includes a clip portion that is inserted and locked into the lock hole, and an elastic piece that protrudes from the clip portion, and the lock portion to which the clip portion of the anti-rattle material is attached An electrical component rattling prevention structure is provided in which the hole can be selected from the plurality of locking holes and the elastic piece is elastically deformed and pressed against the surface of the vehicle body panel.

As described above, according to the present invention, the backlash prevention material is not formed integrally with the electrical component, but a locking hole for detachably attaching another backlash prevention material is provided on the outer wall of the electrical component. Further, the backlash preventing material has a simple structure in which an elastic piece that is pressed against the surface of the vehicle body panel is projected from a clip portion that is inserted and locked into the locking hole.
Therefore, an anti-rattle material having a changed size, shape, etc. of the elastic piece projecting from the clip portion is attached to the locking hole according to the structure of the vehicle body panel for fixing the electrical component and the arrangement state of the peripheral members. Thus, it is possible to easily change the specification of the rattle prevention structure. Moreover, even if it is the same rattle prevention material, the protrusion direction of an elastic piece can also be changed only by changing the attachment direction of a clip part. Therefore, it is not necessary to newly manufacture the electrical component itself as in the conventional case for changing the specification of the rattling prevention structure, and the cost can be reduced by sharing the electrical component.

  It is preferable that the clip part which forms the rattle prevention material has the same structure as the clip part provided in the conventional band clamp etc. That is, a support shaft portion is inserted from the center of one surface of the oval or circular plate portion into the locking hole of the electrical component, and a pair of left and right locking blade portions protrude from the tip of the support shaft portion in a folded shape. In addition, it is preferable that a locking step portion that is locked to the periphery of the locking hole is provided at the tip of the locking blade portion. By setting the clip portion to the above-described configuration, the anti-rattle material can be attached to the locking hole with one touch. The shape of the locking hole may be an oval or circular shape having a diameter that allows the clip portion to be inserted and locked, and the shape of the locking hole may be an oval shape to prevent rotation of the clip portion after insertion locking. More preferred.

On the other hand, it is preferable that the elastic piece protruding from the clip portion is protruded from the center of the other surface of the dish portion constituting the clip portion. The shape of the elastic piece is not particularly limited as long as the elastic piece is elastically deformed and pressed against the surface of the vehicle body panel when the vehicle body fixing portion of the electrical component is fixed to the vehicle body panel. It is preferable to have a shape inclined in the direction, or a shape curved in a J-shape or C-shape.
It is preferable that the rattling prevention material provided with the clip part and the elastic piece is integrally formed with a resin such as polypropylene having a high elasticity. Further, only the elastic piece may be formed by two-color molding so that it is made of a high-elastic material made of another material such as elastomer or rubber.

  The structure of the vehicle body fixing portion provided in the electrical component is not particularly limited.For example, it may be a clip that is inserted and locked in a mounting hole provided in the vehicle body panel, or a mounting means such as a stud bolt protruding from the vehicle body panel. It may be a through hole to be penetrated or a bracket provided with the through hole.

In the present invention, as described above, a plurality of the locking holes are provided in the outer wall including the bottom wall and the side wall of the electrical component, and the locking holes for attaching the anti-rattle material can be selected from the plurality of locking holes. It is with.

  As described above, a plurality of the locking holes are provided in the outer wall including the bottom wall and the side wall of the electrical component, and the locking holes for attaching the anti-rattle material can be selected from the plurality of locking holes. The mounting position of the anti-rattle material can be easily selected and changed in accordance with the structure of the vehicle body panel for fixing the electrical components, the arrangement of the peripheral members, the required anti-rattle level, etc. Therefore, it is possible to change various specifications of the rattling prevention structure while suppressing the cost.

  When the vehicle body fixing portion protrudes from one position of the outer wall formed of the bottom wall or side wall of the electrical component, the locking hole for attaching the rattle prevention material is the vehicle body fixing among the plurality of locking holes. It is preferable to include a locking hole farthest from the portion.

  As described above, by providing one projecting portion of the vehicle body fixing portion from the outer wall of the electrical component, the effect of cost reduction and man-hour reduction can be obtained, while the backlash at a position away from the vehicle body fixing portion is large. There was a problem that it was easy to become. However, as described above, as a locking hole for attaching the anti-rattle material, by selecting a locking hole farthest from the vehicle body fixing portion among the plurality of locking holes, there is a problem of the rattling. Can be resolved.

The position where the vehicle body fixing portion and the locking hole are provided differs depending on the shape of the electrical component, and thus cannot be limited. However, when the electrical component is, for example, a substantially rectangular box shape, a substantially rectangular bottom that is fixed to the vehicle body panel. While the vehicle body fixing portion projects from the vicinity of one corner of the wall or side wall, the locking holes are provided in the vicinity of the remaining three corners of the bottom wall or side wall, respectively. It is preferable that the anti-rattle material is attached to a locking hole on a diagonal line farthest from the vehicle body fixing portion among the holes.
Further, the vehicle body fixing portion provided on the bottom wall or side wall of the electrical component protrudes from the surface that contacts the vehicle body panel when fixed to the vehicle body panel, while the locking hole for attaching the anti-rattle material is provided by the electrical component. It is preferable to make a hole in a surface that does not come into contact with the vehicle body panel when fixed to the vehicle body panel so that the rattling-preventing material can be pressed against the vehicle body panel while maintaining an equilibrium posture.

  Further, among the plurality of locking holes, only the clip portion obtained by cutting the elastic piece of the anti-rattle material is attached to the lock hole where the anti-rattle material is not attached. Can be easily closed.

  Although the said electrical component is not specifically limited, For example, electrical connection boxes, such as a protector and a relay box which accommodate and hold the wire harness routed to a vehicle, are mentioned.

  As described above, in the present invention, the anti-rattle material is not formed integrally with the electrical component, but a locking hole for detachably attaching another anti-rattle material is provided on the outer wall of the electrical component. In addition, the rattle prevention material has a simple structure in which an elastic piece that is pressed against the surface of the vehicle body panel from a clip portion inserted and locked into the locking hole is provided. Accordingly, the structure of the vehicle body panel for fixing the electrical components, the arrangement state of the peripheral members, etc. can be obtained simply by attaching the anti-rattle material, which is appropriately changed in size, shape, etc., of the elastic piece protruding from the clip portion to the locking hole. It is possible to easily change the specifications of the rattling prevention structure. Therefore, it is not necessary to newly manufacture the electrical component itself as in the conventional case, and the cost can be reduced by sharing the electrical component.

  In addition, by providing a plurality of the locking holes on the outer wall including the bottom wall and the side wall of the electrical component, and selecting the locking hole for attaching the anti-rattle material from the plurality of locking holes, the electrical component itself is As it is, the mounting position of the anti-rattle material can be easily selected and changed. Therefore, it is possible to change various specifications of the rattling prevention structure while suppressing the cost.

In this embodiment, it is a perspective view which shows the protector before attaching a backlash prevention material. (A) is an exploded perspective view before fixing the protector to which the anti-rattle material is attached to the vehicle body panel, and (B) is a perspective view showing a state in which the protector to which the anti-rattle material is attached is fixed to the vehicle body panel. It is a perspective view of an anti-rattle material. (A) is the sectional view on the AA line of FIG. 2 (A), (B) is the sectional view on the BB line of FIG. 2 (B). It is a figure which shows an example in case the specification change of a rattle prevention material is needed. It is a perspective view which shows the rattling prevention material after a specification change. It is sectional drawing which shows the state which fixed the protector which attached the rattling prevention material of FIG. 6 to the vehicle body panel. It is a perspective view which shows the clip attached to the latching hole which did not attach the rattle prevention material. (A) is a plan view when an anti-rattle material is attached to the first locking hole and the second locking hole, and (B) is an anti-rattle material to all the locking holes (first to third locking holes). It is a top view at the time of attaching. It is a figure which shows a prior art example, (A) is a front view which shows the state before fixing a protector to a vehicle body panel, (B) is a front view which shows the state which fixed the protector to the vehicle body panel.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 9 show an embodiment of the present invention.
In the present embodiment, the protector 10 that accommodates and holds a wire harness (not shown) that is routed to the vehicle is used as an electrical component that is fixed to the vehicle body panel 40, and rattling of the protector 10 that is fixed to the vehicle body panel 40 is prevented. For this purpose, three locking holes 13 are provided in the bottom wall 10a of the protector 10 to attach the separate anti-rattle material 20 detachably.

  As shown in FIGS. 1 and 2, the protector 10 of the present embodiment is a bowl-shaped resin molded product including a bottom wall 10a and a pair of left and right side walls 10b, and a step is partially provided on the bottom wall 10a. The bottom wall 10a is formed from the lower bottom wall 10a-1 that comes into contact with the vehicle body panel 40 when fixed to the vehicle body panel 40 and the upper stage bottom wall 10a-2 that does not come into contact with the vehicle body panel 40. Of the four corners of the bottom wall 10a, one corner is located on the lower bottom wall 10a-1, and a through hole 12 is provided from the edge of the lower bottom wall 10a-1 in the vicinity of the corner. A vehicle body fixing portion 11 made of a bracket is protruded. A stud bolt 41 which is a mounting means protruding from the vehicle body panel 40 is passed through the through hole 12 of the vehicle body fixing portion 11.

  On the other hand, the remaining three corners of the bottom wall 10a are positioned on the upper bottom wall 10a-2, and a locking hole 13 (first locking) that allows the anti-rattle material 20 to be attached in the vicinity of the corner. A hole 13a, a second locking hole 13b, and a third locking hole 13c) are provided. In the present embodiment, the diagonal locking hole farthest from the vehicle body fixing portion 11 is the first locking hole 13a, and the locking hole facing the first locking hole 13a in the width direction is the second locking hole. A stop hole 13b is used, and a lock hole facing the first lock hole 13a in the length direction is a third lock hole 13c.

  The anti-rattle material 20 is an integrally molded product made of a resin such as polypropylene having a high elasticity, and as shown in FIGS. 3 and 4A, a clip that is inserted and locked into the locking hole 13 (13a, 13b, 13c). A portion 21 and an elastic piece 22 projecting from the clip portion 21 are formed. The clip part 21 has the same structure as that of a clip part provided in a conventional band clamp or the like, and projects a support shaft part 21b inserted into the locking hole 13 from the center of the upper surface of the oval dish part 21a. A pair of left and right locking blade portions 21c are provided so as to project from the front end position of the support shaft portion 21b to the left and right, and at the front ends of the respective locking blade portions 21c are engaged with the periphery of the locking holes 13. A stop portion 21d is provided. In addition, the shape of the locking hole 13 provided in the protector 10 is an oval shape in which the support shaft portion 21b and the locking blade portion 21c of the clip portion 21 can be inserted and locked.

  On the other hand, the elastic piece 22 of the anti-rattle member 20 protrudes from the center of the lower surface of the plate part 21a forming the clip part 21, and the shape of the elastic piece 22 is inclined in one direction and its tip is bent in the horizontal direction. The shape is made to be. The dimensions of the elastic piece 22 are set so that the elastic piece 22 is elastically deformed and pressed against the surface of the vehicle body panel 40 when the protector 10 is fixed to the vehicle body panel 40.

  In this embodiment, as shown in FIG. 2 (A), the anti-rattle member 20 is attached only to the first locking hole 13a farthest from the vehicle body fixing portion 11, and the second and third locking holes 13b, 13c are attached. Is configured such that the anti-rattle material 20 is not attached. A clip 23 shown in FIG. 8 is attached to the second and third locking holes 13b and 13c to which the anti-rattle material 20 is not attached to close the openings of the locking holes 13b and 13c. The clip 23 has the same structure as the clip portion 21 in which the elastic piece 22 is removed from the rattling prevention material 20.

  As shown in FIG. 2B, a stud bolt 41 protruding from the vehicle body panel 40 is passed through the through hole 12 of the vehicle body fixing portion 11 of the protector 10 shown in FIG. Further, the protector 10 can be fixed to the vehicle body panel 40. At this time, the rattling prevention member 20 attached to the first locking hole 13a is elastically deformed and pressed against the surface of the vehicle body panel 40 as shown in FIG. The backlash of the protector 10 can be effectively suppressed by the backlash prevention material 20 attached to the locking hole 13a farthest from the fixed position, thereby preventing the generation of abnormal noise.

  On the other hand, depending on the structure of the vehicle body panel 40 to which the protector 10 is fixed, the arrangement state of the peripheral members, etc., it may be necessary to change the specification of the rattling prevention structure. For example, as shown in FIG. 5, when the elastic piece 22 of the anti-rattle member 20 cannot be smoothly elastically deformed by the peripheral member 43 arranged on the side of the protector 10, the inclined shape that protrudes from the clip portion 21. The anti-rattle material 30 is changed to the elastic piece 32 having a J-shaped curve as shown in FIG. 6, and the anti-rattle material 30 is attached to the first locking hole 13a. The 30 elastic pieces 32 can be smoothly elastically deformed and pressed against both surfaces of the vehicle body panel 40 and the peripheral member 43. Therefore, the backlash of the protector 10 can be effectively prevented by a simple change of the backlash prevention material attached to the locking hole 13a.

  Further, depending on the required anti-rattle level (grade), as shown in FIG. 9A, the anti-rattle material 20 is attached to the first locking hole 13a and the second locking hole 13b, or FIG. The anti-rattle material 20 can be attached to all the locking holes (first to third locking holes 13a, 13b, 13c) as shown in FIG. Further, the position of the locking hole 13 to which the anti-rattle material 20 is attached can be changed according to the structure of the vehicle body panel 40 and the arrangement state of the peripheral members.

  As described above, in this embodiment, the backlash prevention material 20 is not integrally formed with the protector 10, but the locking holes 13 (13a, 13b, 13c) for attaching the backlash prevention material 20 of another material in a detachable manner are provided. The structure is provided on the bottom wall 10 a-2 of the protector 10. Further, the rattling prevention material 20 has a simple structure in which an elastic piece 22 is pressed from the clip portion 21 inserted and locked into the locking hole 13 to the surface of the vehicle body panel 40. Therefore, the specification of the anti-rattle structure according to the arrangement state of the peripheral member 43 and the like is obtained simply by attaching the anti-rattle member 30 in which the size and shape of the elastic piece 22 projecting from the clip portion 21 is appropriately changed to the locking hole 13. Changes can be made easily. Therefore, it is not necessary to newly manufacture the protector 10 itself as in the prior art, and the protector 10 can be shared to reduce costs.

  Further, as described above, a plurality of locking holes 13 (13a, 13b, 13c) are provided in the bottom wall 10a-2 of the protector 10, and the locking holes for attaching the anti-rattle material 20 are provided in the plurality of locking holes. By making the selection possible from 13, the protector 10 itself can be left as it is, and the mounting position of the anti-rattle material 20 can be easily selected and changed. Therefore, it is possible to change various specifications of the rattling prevention structure while suppressing the cost.

In the rattling prevention structure of the present embodiment, the protector 10 is fixed to the vehicle body panel 40 as an electrical component. However, the present invention is not limited to this. For example, an electrical connection box such as a relay box is used as the electrical component. You may fix to the panel 40. FIG.
In the present embodiment, the vehicle body fixing portion 11 and the locking holes 13 (13a, 13b, 13c) are provided in the bottom wall 10a (10a-1, 10a-2) of the protector 10, but the side wall 10b of the protector 10 is provided. When the side is fixed to the vehicle body panel, the vehicle body fixing portion and the locking hole may be provided on the side wall 10 b of the protector 10.

DESCRIPTION OF SYMBOLS 10 Protector 10a (10a-1, 10a-2) Bottom wall 10b Side wall 11 Car body fixing | fixed part 12 Through-hole 13 (13a, 13b, 13c) Locking hole 20, 30 Anti-rattle material 21 Clip part 22, 32 Elastic piece 23 Clip 40 Body panel 41 Stud bolt

Claims (4)

The electrical component fixed to the vehicle body panel includes a vehicle body fixing portion that is fixed to an attachment means including a mounting hole or a bolt provided in the vehicle body panel, and is a member that detachably attaches another anti-rattle material. A plurality of blind holes are provided on the outer wall including the bottom wall and the side wall,
The anti-rattle material is formed of an elastic material, and includes a clip portion that is inserted and locked into the lock hole, and an elastic piece that protrudes from the clip portion, and the lock portion to which the clip portion of the anti-rattle material is attached An electrical component rattling prevention structure in which a hole can be selected from the plurality of locking holes and the elastic piece is elastically deformed and pressed against the surface of the vehicle body panel. The vehicle body fixing portion protrudes from one location of the outer wall consisting of the bottom wall or side wall of the electrical component, and the locking hole for attaching the rattle prevention material is the most from the vehicle body fixing portion among the plurality of locking holes. The structure for preventing rattling of an electrical component according to claim 1, wherein the structure includes a distant locking hole . Of the plurality of locking holes, only the clip portion obtained by cutting the elastic piece of the anti-rattle material is attached to the lock hole to which the anti-rattle material is not attached, thereby closing the opening of the lock hole. The electric component backlash preventing structure according to claim 1 or 2. The electrical component is a protector or electrical connection box, one of the elastic pieces shape inclined in at least one direction of the anti-rattle member or J-shaped, claims 1 to 3 have a shape curved in a C-shape, 2. A structure for preventing rattling of electrical parts as set forth in claim 1 .

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