CN101722889A - Mounting structure for switch cover and small lamp of automobile - Google Patents
Mounting structure for switch cover and small lamp of automobile Download PDFInfo
- Publication number
- CN101722889A CN101722889A CN201010042074A CN201010042074A CN101722889A CN 101722889 A CN101722889 A CN 101722889A CN 201010042074 A CN201010042074 A CN 201010042074A CN 201010042074 A CN201010042074 A CN 201010042074A CN 101722889 A CN101722889 A CN 101722889A
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- China
- Prior art keywords
- small lamp
- switch cover
- mounting hole
- slope
- mounting
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Abstract
The invention discloses a mounting structure for a switch cover and a small lamp of an automobile. The switch cover or the small lamp of the automobile is arranged in a mounting hole on the automobile body through elastic clasp arms with inverted hooks at the back thereof. The elastic clasp arms are uniformly symmetrically distributed along the peripheral direction at the back of the switch cover or the small lamp. The back of the switch cover or the small lamp has a positioning surface which is adhered to a mounting surface of the mounting hole. The mounting structure for the switch cover and the small lamp of the automobile changes the conventional 90-degree hook-shaped structure to a 30-degree slope structure. Non-slip stripes are arranged on the slope surface, so that the clearance fit between the slope surface and the mounting surface is changed into the interference fit, and higher requirement on manufacturing accuracy between the mounting structure and the mounting hole is reduced. The thickness of the mounting hole surface is in a greater tolerance range, so the assembly requirement can be met as long as the bottom edge falls at any position of the slope. The manufacturing cost can be reduced, the positioning quality is higher after assembly, and the disassembly is simpler and more convenient simultaneously.
Description
Technical field
The present invention relates to automotive lighting electrical equipment, be specifically related to the mounting structure of a kind of vehicle switch lid and small lamp.
Background technology
The mounting means of direct clamping is adopted in existing vehicle switch lid or the installation of small lamp on vehicle body usually.Concrete structure is referring to Fig. 2, and it is to become symmetry shape that several the elasticity card arms 2 with barb are set at the back side of switch cover or small lamp 1, elasticity card arm 2 long mounting hole 3 degree of depth that surpass, and front end is the barb 4 to 90 ° of outer lug.The corresponding width of the mounting hole 3 on the vehicle body is greater than the ultimate range that becomes between the symmetry shape elasticity card arm 2, but do not comprise the barb 4 to 90 ° of outer lug.When installing, directly with the barb 4 most advanced and sophisticated mounting holes 3 that insert, when the attachment face B of the locating surface A of switch cover or small lamp and mounting hole fits, barb 4 passes through mounting hole after elasticity card arm is compressed distortion, again by recovery of elasticity card arm to the initial position, allow barb 4 open fully, 90 ° of horizontal surfaces of the projection of overhead structure with finish the fixed installation of switch cover or small lamp after the bottom surface of mounting hole 3 is parallel.
Said structure.For reaching floatless switch lid or the tight again purpose of small lamp, quality of fit between right angle hook horizontal surface and the mounting hole bottom surface is had relatively high expectations, because mounting hole bottom thickness and 90 ° of hook formations will guarantee more accurate free-running fit and just can finish assembling, could reduce the shake allowance of assembling back part.Free-running fit makes this structure can not eliminate loosening after the installation fully, if adopt interference fit problem not in place then can occur installing.In addition, this structure also is unfavorable for the dismounting of switch cover or small lamp, need back down hook formation in the attachment face bottom surface with instrument and just can take off switch cover or small lamp, can not directly arrive and position, most of attachment faces bottom surface is an instrument, also may need to remove the dismounting that the other related components just can be finished switch cover or small lamp.
Summary of the invention
Purpose of the present invention just provides a kind of new structure, with simple structure more solid and reliable floatless switch lid or small lamp, and it can more easily be dismantled.
For achieving the above object, the technical solution adopted in the present invention is as follows:
The mounting structure of a kind of vehicle switch lid or small lamp, described vehicle switch lid or small lamp are installed by the elasticity card arm with barb and the mounting hole on the auto body at back, and described elasticity card arm along the circumferential direction distributes symmetrically at the back of switch cover or small lamp; The back of described switch cover or small lamp has locating surface, fits with the attachment face of mounting hole.
It is characterized in that: the driving surface of the barb of the front end of the elasticity card arm at described vehicle switch lid or lampet back is 30 ° a slope, and the distance between the slope of described two symmetries is greater than the aperture of mounting hole.
The slope of the barb at described vehicle switch lid or lampet back is provided with the anti-skidding striped that is parallel to attachment face.
The mounting structure that the present invention proposes has kept existing structure easy-to-install advantage.Former 90 ° hook formation is changed into 30 ° of ramp structures, anti-skidding striped is set on slope, allow the free-running fit between slope and the mounting hole become interference fit.After 30 ° slope barbs are compressed by mounting hole, when the locating surface of switch cover or small lamp and attachment face are fitted, elasticity card arm is opened because of interference fit by recovery of elasticity can not get back to reference position, slope props up the bottom edge of mounting hole, finishes the fixed installation of switch cover or small lamp.Finish after the installation, slope keeps tension force to the bottom supporting point of mounting hole all the time, and is fixing more reliable, very close to each other fully.Also need not the dependence instrument during dismounting, on attachment face, hold switch cover or small lamp and outwards use slightly bigger power, force slope in the hole, to shrink, directly extract switch cover or small lamp.The anti-skidding striped that is provided with on the slope can avoid switch cover or small lamp to be pulled out unintentionally by less power.
Because this structure has made the line contact to the effect of mounting hole into by the face contact, reduced accuracy of manufacture requirement higher between mounting structure and the mounting hole bearing surface, the mounting hole face thickness is in than the high tolerance scope, as long as matching requirements just can be satisfied in the optional position that bottom edge drops on the slope, can be reduced in the cost in the manufacturing.This structure has kept former scheme easy-to-install advantage simultaneously, assembling back alignment quality is higher, has not a particle of loosening sense, makes dismounting also easier simultaneously, need not need to decompose because of cause more parts to attachment face back serviceable tool, improve the maintainability of switch cover or small lamp.
Description of drawings
Fig. 1 is a structure cutaway view of the present invention, has expressed the integral structure characteristic after its installation.
Fig. 2 is the cutaway view that adopts at present usually after the installation of 90 ° of barbs.
The specific embodiment
In the embodiment shown in fig. 1, vehicle switch lid or small lamp 1 are to install with the mounting hole 3 on the auto body by the elasticity card arm with barb 2 at back.Elasticity card arm 2 along the circumferential direction distributes symmetrically at the back of switch cover or small lamp 1, about each one, and locating surface A is set at the back of switch cover or small lamp 1, fit with the attachment face B of mounting hole 3.This structure is designed to 30 ° slope 41 with the driving surface of the barb 4 of switch cover or lampet 1 back elasticity card arm 2 front ends, and will guarantee that distance between the slope 41 of two symmetries is greater than the aperture of mounting hole 3.Simultaneously, the slope 41 of barb is provided with the anti-skidding striped 42 that is parallel to attachment face.
During installation, elasticity card arm on switch cover or the lampet 12 is inserted in the mounting hole 3, elasticity card arm 2 center to switch cover or lampet 1 under the squeezing action of mounting hole 3 is out of shape, the barb 4 of elasticity card arm 2 front ends is by behind the mounting hole 3, when the locating surface A on switch cover or lampet 1 and the attachment face B of mounting hole 3 fit, elasticity card arm 2 is in returning to the virgin state process, the stress that utilizes the slope 41 on the barb 4 withstands the lower edge of mounting hole 3 to both sides, finishes the assembling of switch cover or small lamp 1.Because the vertical dimension of slope 41 has contained the tolerance band of mounting hole face thickness, can reach the Zero clearance between the attachment face B of the locating surface A of switch cover or small lamp 1 and attachment face 3 after installing and fit.
If the elasticity card arm on switch cover or the small lamp 12 is firmly outwards extracted mounting hole 3, promptly finish the dismounting of switch cover or small lamp 1.
Claims (2)
1. the mounting structure of vehicle switch lid or small lamp, described vehicle switch lid or small lamp (1) are installed with the mounting hole (3) on the auto body by the elasticity card arm (2) with barb at back, and described elasticity card arm (2) along the circumferential direction distributes symmetrically at the back of switch cover or small lamp (1); The back of described switch cover or small lamp (1) has locating surface (A), fits with the attachment face (B) of mounting hole (3); It is characterized in that: the driving surface of the barb (4) of the front end of the elasticity card arm (2) at described vehicle switch lid or lampet back is 30 ° a slope (41), and the distance between the slope of described two symmetries (41) is greater than the aperture of mounting hole (3).
2. the mounting structure of vehicle switch lid according to claim 1 or small lamp is characterized in that: the slope (41) of the barb at described vehicle switch lid or lampet (1) back is provided with the anti-skidding striped (42) that is parallel to attachment face.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010042074A CN101722889A (en) | 2010-01-15 | 2010-01-15 | Mounting structure for switch cover and small lamp of automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010042074A CN101722889A (en) | 2010-01-15 | 2010-01-15 | Mounting structure for switch cover and small lamp of automobile |
Publications (1)
Publication Number | Publication Date |
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CN101722889A true CN101722889A (en) | 2010-06-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201010042074A Pending CN101722889A (en) | 2010-01-15 | 2010-01-15 | Mounting structure for switch cover and small lamp of automobile |
Country Status (1)
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CN (1) | CN101722889A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109498884A (en) * | 2019-01-11 | 2019-03-22 | 刘贞宽 | Built-in type flusher |
CN112664858A (en) * | 2019-10-15 | 2021-04-16 | 上海汽车集团股份有限公司 | Vehicle ceiling atmosphere lamp and lamp shade thereof |
-
2010
- 2010-01-15 CN CN201010042074A patent/CN101722889A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109498884A (en) * | 2019-01-11 | 2019-03-22 | 刘贞宽 | Built-in type flusher |
CN109498884B (en) * | 2019-01-11 | 2024-03-08 | 刘贞宽 | Built-in type flusher |
CN112664858A (en) * | 2019-10-15 | 2021-04-16 | 上海汽车集团股份有限公司 | Vehicle ceiling atmosphere lamp and lamp shade thereof |
CN112664858B (en) * | 2019-10-15 | 2023-04-14 | 上海汽车集团股份有限公司 | Vehicle ceiling atmosphere lamp and lamp shade thereof |
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Open date: 20100609 |