CN208624025U - A kind of wiring board location structure for automobile lamp - Google Patents

Abstract

The utility model relates to automobile lamp fields, and in particular to a kind of wiring board location structure for automobile lamp.Including optical element and wiring board, at least one kidney slot is offered on the wiring board, at least one riveting column is provided on the optical element, the riveting column includes riveting column ontology, triangle muscle and supporting rib there are two being oppositely arranged on the side wall of the riveting column ontology, the top of the triangle muscle compared to supporting rib top closer to the top of riveting column ontology, the bottom end of the triangle muscle at least extends to the upper surface of supporting rib, when in riveting column insertion kidney slot, the outer end of two triangle muscle is against respectively on two straight flange inner walls of kidney slot.The riveting column ontology is round table-like in from top to bottom increasing diameter, and the triangle muscle is axially extending on the side wall of riveting column ontology, the axis of the ragged edge of the separate riveting column ontology of two triangle muscle each parallel to riveting column ontology.Wiring board in the prior art is solved the problems, such as hard to fit into position.

Description

A kind of wiring board location structure for automobile lamp

Technical field

The utility model relates to automobile lamp fields, and in particular to a kind of wiring board location structure for automobile lamp.

Background technique

The wiring board location structure of automobile lamp at present is mostly limited with the cooperation in cylinder and hole, and form is generally using thin circle The mode that hole is arranged in pairs or groups with kidney slot prevents wiring board or more, left and right from jumping；The root of vertical cylinder axis increases limit rib to limit Wiring board processed jumps backward；Fastening force when finally by rivet hot or fixed screw, jumps forward to limit wiring board.

But due to optical element or wiring board mismachining tolerance, hole is caused to become larger with cylindrical fit gap, so that wiring board Still there is shaking interior up and down；Also due to mismachining tolerance, may also lead to hole and cylinder is interference fitted.As shown in Figure 1, route Hole is offered on plate 3 ', riveting column 2 ' is provided on optical element 1 ', and riveting column 2 ' includes riveting column ontology 21 ', the support of wiring board 3 ' Muscle 23 ' and 21 ' intersection of riveting column ontology are provided with technique fillet 4 ', due to the presence of technique fillet 4 ' so that wiring board 3 ' with There is interference between riveting column 2 ', so that wiring board 3 ' is unable to fully assembly in place；As shown in Fig. 2, the outer diameter of riveting column ontology 21 ' is big There is interference in the minimum diameter in the hole on wiring board 3 ', and amount of interference is larger between wiring board 3 ' and riveting column 2 ', simultaneously because 2 ' integral strength of riveting column is larger, and it is excessive or even cannot fit into position to eventually lead to 3 ' assembly force of wiring board.

Under these specific conditions, wiring board leads to light source and optical element position inaccurate, optics hard to fit into position Performance it is not up to standard or assembly after have shake abnormal sound the defects of.

Utility model content

In order to solve the problems, such as wiring board in the prior art hard to fit into position, the utility model proposes one kind to be used for vapour The wiring board location structure of car light tool, solves above-mentioned technical problem.The technical solution of the utility model is as follows:

A kind of wiring board location structure for automobile lamp, including optical element and wiring board are opened on the wiring board Equipped at least one kidney slot, at least one riveting column is provided on the optical element, the riveting column includes riveting column ontology, described It is oppositely arranged on the side wall of riveting column ontology there are two triangle muscle and supporting rib, the top of the top of the triangle muscle compared to supporting rib Closer to the top of riveting column ontology, the bottom end of the triangle muscle at least extends to the upper surface of supporting rib at end, when riveting column is inserted into waist When in shape hole, the outer end of two triangle muscle is against respectively on two straight flange inner walls of kidney slot.

Further, the riveting column ontology is in the round table-like of increasing diameter from top to bottom, and the triangle muscle is in riveting column ontology Side wall on axially extending, the axis of the ragged edge of the separate riveting column ontology of two triangle muscle each parallel to riveting column ontology.

Further, the cross section of the triangle muscle is triangular in shape, and the outer angle beta of the separate riveting column ontology of the triangle muscle is 45-60°。

Further, the exterior angle of the triangle muscle is set as fillet, and the radius of the fillet is 0.2-0.3mm.

Further, the top end face of the triangle muscle is inclined-plane, and the angle α of the inclined-plane and vertical direction is 30-45 °.

Further, the supporting rib is at least 3, and the supporting rib axially extends to riveting column sheet along riveting column ontology side wall Body bottom end, and the supporting rib is uniformly distributed on the side wall of riveting column ontology, the top of the supporting rib and riveting column ontology or three The setting of angle muscle joint is fluted.

Further, the supporting rib is 3, and the bearing length L of the supporting rib is not less than 2mm, the diameter of the groove It is not less than 1mm to width d1, the axial depth d2 of the groove is not less than 1mm.

Further, the minimum range S1 of straight flange of the outer peripheral surface of the riveting column ontology to kidney slot is 0.2-0.25mm； The minimum range S2 of arc-shaped edges of the outer peripheral surface of the riveting column ontology to kidney slot is 0.2-0.5mm.

Further, when the wiring board passes through the upper end of riveting column ontology and supporting rib contacts, the riveting column ontology is high The ratio between diameter D of the height H of wiring board upper surface and riveting column ontology top end face is 1.5-2 out.

Further, the kidney slot and the riveting column are 3 and correspond, the line of centres shape of 3 kidney slots At isosceles triangle, the straight flange of two kidney slots on isosceles triangle bottom edge is parallel, is located on isosceles triangle vertex Kidney slot straight flange perpendicular to isosceles triangle bottom edge.

Based on the above-mentioned technical proposal, technical effect achieved by the utility model are as follows:

1. the wiring board location structure of the utility model increases triangle muscle on riveting column, since triangle muscle is relatively thin wedge angle Structure, even if amount of interference is also little, and there is no need to use biggish installing force just in the case where riveting column and waist hole are interference fitted Wiring board can be installed in place, by the triangle muscle structure on riveting column to being limited on the left and right directions of wiring board；In addition, Inclined-plane is arranged in the top of triangle muscle, can play the guiding role to wiring board installation；

2. in the wiring board location structure of the utility model, setting riveting column is the round table-like of increasing diameter from top to bottom, if The outside of the separate riveting column of triangle muscle is set each parallel to axis, and triangle muscle extends to bottom end on the side wall of riveting column, side Just to the production of riveting column and triangle muscle, depanning after facilitating the two to be integrally formed；

3. it is triangle with rounded outside corners that triangle muscle is arranged in the wiring board location structure of the utility model, and to exterior angle Angle and the radius of fillet reasonably limited, be to facilitate wiring board to pacify under the action of guaranteeing the intensity of riveting column It is attached to position；

4. being additionally provided with supporting rib, supporting rib and riveting on the side wall of riveting column in the wiring board location structure of the utility model Groove digs in column ontology intersection, it is not in place to can avoid assembly caused by wiring board is interfered with technique fillet, while can also make to pacify Since the clast that interference generates smoothly flows out during dress, talus accumulation caused dress between wiring board at supporting rib is avoided With not in place；

5. the wiring board location structure of the utility model passes through the delta-shaped region that kidney slot is formed at three, increase wiring board Overall stability, kidney slot straight flange direction forms line at two, and another place's kidney slot straight flange direction is vertical with line, to mention The positioning accuracy of elevated track plate.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of wiring board location structure in the prior art；

Fig. 2 is another structural schematic diagram of wiring board location structure in the prior art；

Fig. 3 is the decomposition chart of the wiring board location structure of the utility model；

Fig. 4 is the structural schematic diagram one after the assembling of the wiring board location structure of the utility model；

Fig. 5 is the structural schematic diagram two after the assembling of the wiring board location structure of the utility model；

Fig. 6 is the structural schematic diagram three after the assembling of the wiring board location structure of the utility model；

Fig. 7 is the portion the A enlarged drawing of Fig. 3；

Fig. 8 is the Section A-A figure of Fig. 5；

Fig. 9 is the portion the B enlarged drawing of Fig. 8；

Figure 10 is the B-B partial cross-sectional view of Fig. 6；

Figure 11 is the structural schematic diagram of the wiring board of the utility model；

In figure: 1- optical element；2- riveting column；21- riveting column ontology；22- triangle muscle；The inclined-plane 221-；222- fillet；23- branch Support muscle；231- groove；3- wiring board；31- kidney slot；When H- wiring board is contacted across riveting column ontology and supporting rib, riveting column ontology It is higher by the height of wiring board upper surface；The diameter of D- riveting column ontology top end face；The bearing length of L- supporting rib；The diameter of d1- groove To width；The axial depth of d2- groove；The outer peripheral surface of S1- riveting column ontology to kidney slot straight flange minimum range；S2- riveting column The outer peripheral surface of ontology to kidney slot arc-shaped edges minimum range；The angle on α-inclined-plane and vertical direction；β-triangle muscle is separate The exterior angle of riveting column ontology；1 '-optical element；2 '-riveting columns；21 '-riveting column ontologies；23 '-supporting ribs；3 '-wiring boards；4 '-techniques Fillet.

Specific embodiment

The content of the utility model is further described with reference to the accompanying drawings of the specification.

As shown in Fig. 3-11, the present embodiment proposes a kind of wiring board location structure for automobile lamp, including optics member Part 1 and wiring board 3 are provided with riveting column 2 on optical element 1, kidney slot 31 are provided on wiring board 3, pass through riveting column 2 and are inserted into kidney slot Positioning of the wiring board 3 on optical element 1 is realized in 31.

Riveting column 2 is provided on optical element 1, riveting column 2 includes riveting column ontology 21, and riveting column ontology 21 is perpendicular to optical element 1 Mounting surface setting, lower end is in the one end being connect using riveting column 2 with mounting surface, using the other end of riveting column 2 as upper end, riveting column ontology 21 In the round table-like of increasing diameter from top to bottom.Triangle muscle 22 and supporting rib 23 are provided on the side wall of riveting column ontology 21, wherein three The quantity of angle muscle 22 is two, and two triangle muscle 22 are uniformly distributed on the side wall of riveting column ontology 21, and two triangle muscle 22 exist Axially extending on the side wall of riveting column ontology 21, the ragged edge of the separate riveting column ontology 21 of two triangle muscle 22 is each parallel to riveting column sheet The axis of body 21.Preferably, the upper surface of triangle muscle 22 is inclined-plane 221, and inclined-plane 221 from top to bottom extends outwardly, and can be played pair The guiding role that wiring board 3 is installed；It is further preferred that the angular range of the angle α of inclined-plane 221 and vertical direction is 30- 45°.Preferably, the cross section of triangle muscle 22 is triangular in shape, the angular range of the outer angle beta of the separate riveting column ontology 21 of triangle muscle 22 It is 45-60 °；It is further preferred that the exterior angle of triangle muscle 22 is set as fillet 222, the radius of fillet 222 is 0.2-0.3mm.

Supporting rib 23 is at least 3, and 3 supporting ribs, 23,3 supporting ribs 23 are arranged in the present embodiment in riveting column ontology 21 It is uniformly distributed on side wall, 3 supporting ribs 23 are axially extending on the side wall of riveting column ontology 21, and the upper surface of supporting rib 23 is flat The upper surface in face, 3 supporting ribs 23 is respectively positioned on same plane, it is preferable that the upper surface of supporting rib 23 is lower than triangle muscle 22 Upper surface, the height that triangle muscle 22 is higher by supporting rib 23 are not less than the thickness of wiring board 3, and the bottom end of triangle muscle 22 is at least axially prolonged Extend to the upper surface of supporting rib 23, it is preferable that the bottom end of triangle muscle 22 extends to the bottom end of riveting column ontology 21.The top of supporting rib 23 End inside is provided with groove 231 with riveting column ontology 21 or 22 joint of triangle muscle, and the section of groove 231 is square, supporting rib 23 Bearing length L is the outer edge of groove 231 to the outer peripheral radical length of supporting rib 23, and the bearing length L of supporting rib 23 is not Less than 2mm.Preferably, the radial width d1 of groove 231 is not less than 1mm, and the axial depth of groove 231 is not less than 1mm.Supporting rib 23 bottom end axially extends to the bottom end of riveting column ontology 21, it is preferable that riveting column ontology 21, triangle muscle 22, supporting rib 23 and optics Element 1 is integrally formed.

Kidney slot 31 is provided on wiring board 3, kidney slot 31 includes two parallel straight flanges and two arc-shaped edges, it is preferable that line It is corresponding that 3 kidney slots, 31,3 kidney slot 31 and 3 riveting columns 2 are provided on road plate 3.Preferably, the center of 3 kidney slots 31 connects Line constitutes isosceles triangle, it is further preferred that 2 kidney slots 31 on isosceles triangle bottom edge are respectively positioned on the one of wiring board 3 The both ends of long side, another kidney slot 31 is located at the middle of another long side, and 3 kidney slots 31 are close to wiring board 3 Edge setting.It is further preferred that the bottom edge of isosceles triangle is parallel with the straight flange of 2 kidney slots 31 on bottom edge in parallel, Bottom edge of the straight flange of another kidney slot perpendicular to isosceles triangle.It is fixed using triangle to wiring board 3 according to the stability of triangle Position is, it can be achieved that accurate positionin to wiring board 3, wiring board 3 are not easy to shake.

Riveting column 2 on optical element 1 passes through positioning of the realization of kidney slot 31 to wiring board 3 on wiring board 3.Riveting column ontology 21 upper end is protruded into kidney slot 31, and the lower surface of wiring board 3 leans against on the upper surface of supporting rib 23, it is preferable that wiring board 3 is worn It crosses riveting column ontology 21 and when supporting rib 23 contacts, riveting column ontology 21 is higher by the height H of 3 upper surface of wiring board and riveting column ontology 21 pushes up The ratio between diameter D of end face is 1.5-2.It is further preferred that two triangle muscle 22 difference after completing assembling, on riveting column ontology 21 It is against on two straight flanges of kidney slot 31, on same cross section, the minimum of the straight flange of the outer peripheral surface of riveting column ontology 21 to kidney slot 31 Distance S1 is 0.2-0.25mm；The outer peripheral surface of riveting column ontology 21 to kidney slot 31 arc-shaped edges minimum range S2 be 0.2- 0.5mm。

Using the wiring board location structure of the utility model, wiring board 3 passes through the upper end of riveting column 2, the triangle muscle on riveting column 2 21 outer end is against on the straight flange inner wall of kidney slot 31, is realized to the limit on the left and right directions of wiring board 3；Under wiring board 3 Surface leans against on the upper surface of supporting rib 23, realizes the downward limit to wiring board 3；Hot riveting technique is finally used, line is completed The fixation of the two is completed in riveting between road plate 3 and optical element 1.

Further, round hole can also be set on wiring board 3, it is also settable corresponding with round hole on optical element 1 Riveting column, setting round hole are 3, and the line of centres of 3 round holes is also in isosceles triangle.

The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to Above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art Objective under the premise of make a variety of changes.

Claims (10)

1. a kind of wiring board location structure for automobile lamp, including optical element (1) and wiring board (3), which is characterized in that At least one kidney slot (31) is offered on the wiring board (3), is provided at least one riveting column on the optical element (1) (2), the riveting column (2) includes riveting column ontology (21), is relatively set at least two 3 on the side wall of the riveting column ontology (21) Angle muscle (22) and supporting rib (23), the top of the triangle muscle (22) compared to supporting rib (23) top closer to riveting column ontology (21) bottom end on top, the triangle muscle (22) at least extends to the upper surface of supporting rib (23), when riveting column (2) are inserted into kidney-shaped When hole (31) is interior, the outer end of at least two triangle muscle (22) is against respectively on two straight flange inner walls of kidney slot (31).

2. a kind of wiring board location structure for automobile lamp as described in claim 1, which is characterized in that the riveting column sheet Body (21) is round table-like in increasing diameter from top to bottom, and the triangle muscle (22) is axially prolonged on the side wall of riveting column ontology (21) It stretches, the axis of the ragged edge of the separate riveting column ontology (21) of two triangle muscle (22) each parallel to riveting column ontology (21).

3. a kind of wiring board location structure for automobile lamp as claimed in claim 1 or 2, which is characterized in that described three The cross section of angle muscle (22) is triangular in shape, and the outer angle beta of the separate riveting column ontology (21) of the triangle muscle (22) is 45-60 °.

4. a kind of wiring board location structure for automobile lamp as claimed in claim 3, which is characterized in that the triangle muscle (22) exterior angle is set as fillet (222), and the radius of the fillet (222) is 0.2-0.3mm.

5. a kind of wiring board location structure for automobile lamp as described in claims 1 or 2 or 4, which is characterized in that described The top end face of triangle muscle (22) is inclined-plane (221), and the angle α of the inclined-plane (221) and vertical direction is 30-45 °.

6. a kind of wiring board location structure for automobile lamp as claimed in claim 5, which is characterized in that the supporting rib (23) it is at least 3, the supporting rib (23) axially extends to riveting column ontology (21) bottom end, and institute along riveting column ontology (21) side wall It states supporting rib (23) to be uniformly distributed on the side wall of riveting column ontology (21), the top of the supporting rib (23) and riveting column ontology (21) Or fluted (231) are arranged in triangle muscle (22) joint.

7. a kind of wiring board location structure for automobile lamp as claimed in claim 6, which is characterized in that the supporting rib It (23) is 3, the bearing length L of the supporting rib (23) is not less than 2mm, and the radial width d1 of the groove (231) is not less than The axial depth d2 of 1mm, the groove (231) are not less than 1mm.

8. a kind of wiring board location structure for automobile lamp as described in claims 1 or 2 or 4 or 6 or 7, feature exist In the minimum range S1 of straight flange of the outer peripheral surface of the riveting column ontology (21) to kidney slot (31) is 0.2-0.25mm；The riveting The outer peripheral surface of column ontology (21) to kidney slot (31) arc-shaped edges minimum range S2 be 0.2-0.5mm.

9. a kind of wiring board location structure for automobile lamp as claimed in claim 8, which is characterized in that when the route When plate (3) passes through upper end and supporting rib (23) contact of riveting column ontology (21), the riveting column ontology (21) is higher by wiring board (3) The ratio between the height H and the diameter D of riveting column ontology (21) top end face on surface are 1.5-2.

10. a kind of wiring board location structure for automobile lamp as described in claims 1 or 2 or 4 or 6 or 7 or 9, special Sign is that the kidney slot (31) and the riveting column (2) are 3 and correspond, the line of centres shape of 3 kidney slots (31) At isosceles triangle, the straight flange of two kidney slots (31) on isosceles triangle bottom edge is parallel, is located at isosceles triangle top The straight flange of kidney slot (31) on point is perpendicular to isosceles triangle bottom edge.