CN-121734232-B - Car light frame connecting device

Abstract

The invention discloses a car lamp frame connecting device, which belongs to the technical field of car lamps and comprises a lamp housing, wherein a main mounting leg and at least two auxiliary mounting legs are arranged on the back surface of the lamp housing, reference positioning holes are formed in the main mounting legs and are used for being matched with main positioning pins on a car frame to realize three-way reference positioning of the lamp housing in the X direction, the Y direction and the Z direction, the auxiliary mounting legs comprise mounting substrates, and adjusting mounting holes and bolt through holes which are arranged at intervals with the adjusting mounting holes are formed in the mounting substrates. According to the invention, the pre-positioning groove on one stressed side is formed in the middle of the adjusting and mounting hole, and the rod part of the auxiliary positioning pin is matched to form the attaching support, so that the structure can effectively bear the gravity of the lamp shell and the assembling counter force in the initial stage of assembly, the lamp shell can keep a stable posture before the bolts are not fastened, and the lamp shell is not required to be continuously supported manually, so that the hands of an operator are liberated, and the operation convenience and efficiency of the assembly of the car lamp are obviously improved.

Inventors

• Yu Yinjuan
• WU WENYU

Assignees

• 常州群星车业有限公司

Dates

Publication Date

20260508

Application Date

20260228

Claims (8)

1. 1. The utility model provides a car light frame connecting device, includes lamp body (1), the back of lamp body (1) is equipped with a main mounting leg (2) and two at least auxiliary mounting legs (3), set up benchmark locating hole on main mounting leg (2) for with the main locating pin cooperation on the frame, realize X direction, Y direction, Z direction three-way benchmark location of lamp body (1), characterized in that, auxiliary mounting leg (3) include mounting base plate (4), set up on mounting base plate (4) adjust mounting hole (6) and with adjust bolt via hole (19) of mounting hole (6) interval arrangement, bolt via hole (19) are used for cooperating the fixing bolt and make lamp body (1) fixed mounting on the frame; The adjusting and mounting holes (6) are of kidney-shaped hole structures, the adjusting and mounting holes (6) are matched with auxiliary positioning pins (12), the long axis directions of the adjusting and mounting holes (6) on the plurality of auxiliary mounting legs (3) are consistent, and the adjusting and mounting holes are all arranged along the width direction of the vehicle body; The middle part of the adjusting and mounting hole (6) is provided with a pre-positioning groove (10), and the pre-positioning groove (10) is positioned on one stressed side of the lamp housing (1) when the lamp housing (1) is hung and buckled on the main positioning pin and the auxiliary positioning pin (12) and is used for bearing the gravity and the assembling counter force of the lamp housing (1) to form stable temporary limit; The two ends of the pre-positioning groove (10) are respectively provided with a smooth transition guide inclined plane (11), and the width of the pre-positioning groove (10) is larger than the width of the short shaft of the adjusting installation hole (6); The auxiliary positioning pin (12) can enter the adjusting mounting hole (6) through the pre-positioning groove (10) and slide along the long axis direction of the adjusting mounting hole, the rod part of the auxiliary positioning pin (12) can be clamped into the pre-positioning groove (10), and temporary pre-positioning is formed by means of the joint support of the pre-positioning groove (10) and the auxiliary positioning pin (12); The adjusting mounting hole (6) is matched with the auxiliary positioning pin (12) to form an anti-falling structure, so that the auxiliary positioning pin (12) is limited to be separated along the axial direction; The adjusting mounting hole (6) comprises a narrow opening section (7) penetrating through the mounting substrate (4) and a wide groove section (8) positioned at the inner side of the mounting substrate (4), and a limiting step surface (9) is formed between the narrow opening section (7) and the wide groove section (8); the auxiliary positioning pin (12) comprises a pin rod part (13) and an anti-falling head part (14), the diameter of the anti-falling head part (14) is larger than that of the pin rod part (13), the diameter of the anti-falling head part (14) is smaller than the width of the wide groove section (8) and larger than the width of the narrow opening section (7), and the limiting step surface (9) and the anti-falling head part (14) are matched to form a complete anti-falling structure to realize axial anti-falling.
2. 2. A vehicle lamp frame connecting device according to claim 1, wherein the main mounting leg (2) and the auxiliary mounting leg (3) are integrally formed with the lamp housing (1), the root of the mounting substrate (4) is integrally formed with reinforcing ribs (5), and the reinforcing ribs (5) are arranged at least one at intervals along the length direction of the mounting substrate (4).
3. 3. The car light frame connecting device according to claim 1, wherein the pre-positioning groove (10) is formed in the middle of the narrow opening section (7), the width of the pre-positioning groove (10) is smaller than the width of the wide groove section (8) and larger than or equal to the diameter of the anti-falling head (14), the anti-falling head (14) can enter the wide groove section (8) through the pre-positioning groove (10), and the pin rod part (13) is clamped into the pre-positioning groove (10) to form pre-positioning.
4. 4. A vehicle lamp frame connecting device according to claim 1, characterized in that the narrow mouth section (7) and the pin rod part (13) form transition fit, the wide groove section (8) and the anti-drop head part (14) form clearance fit, the top end of the anti-drop head part (14) is provided with a guiding conical surface (15), and the guiding conical surface (15) is matched with the guiding inclined surface (11) of the pre-positioning groove (10).
5. 5. A vehicle lamp frame connection according to claim 1, characterized in that the outer edge of the narrow mouth section (7) of the adjustment mounting hole (6) is provided with a mouth chamfer (16), which mouth chamfer (16) coincides with the direction of inclination of the guiding bevel (11).
6. 6. A vehicle lamp frame connecting device according to claim 1, characterized in that the inner wall of the pre-positioning groove (10) is provided with anti-slip teeth which are uniformly distributed along the circumferential direction of the pre-positioning groove (10) and smoothly transition with the guiding inclined surface (11).
7. 7. The car light frame connecting device according to claim 1, characterized in that a damping rubber pad (17) is arranged between the mounting substrate (4) and the car body sheet metal, a through hole corresponding to the adjusting mounting hole (6) and a through hole corresponding to the bolt through hole (19) are formed in the damping rubber pad (17), the edge of the avoiding hole is attached to the inlet end of the adjusting mounting hole (6), and a sealing lip (18) is arranged at the edge of the damping rubber pad (17).
8. 8. A vehicle lamp frame connection device according to claim 1, characterized in that the number of auxiliary mounting legs (3) is 3, symmetrically arranged at the upper middle and lower sides of the lamp housing (1), respectively.

Description

Car light frame connecting device Technical Field The invention belongs to the technical field of automobile lamps, and particularly relates to a lamp frame connecting device. Background In the field of automobile manufacturing, a car lamp is used as a key appearance part and a key function part, and the stability of a mounting structure of the car lamp directly influences the lighting effect, the appearance consistency and the driving safety. The car lamp is usually fixed through the structure such as locating pins, bolts on the mounting leg and the automobile body panel beating of lamp body back. However, because car light self weight is great, traditional auxiliary positioning structure is mostly simple cylindric lock cooperation, lacks effectual interim spacing ability, leads to the car light to appear gliding, slope or rocking easily in the assembly process, is difficult to keep stable gesture, brings inconvenience for follow-up bolt-up, influences assembly efficiency. In order to solve the above problems, the prior art proposes to distribute the weight of the vehicle lamp by setting the vehicle lamp frame and to realize preliminary positioning by adopting the structure of the positioning pin and the elastic support plate, however, the positioning pin of such structure is mostly of a rigid cylindrical structure, and lacks a limit design for the stress side, so that the weight of the vehicle lamp cannot be effectively supported to form a reliable temporary support, and the vehicle lamp still needs to be supported manually during assembly. Disclosure of Invention The invention provides a car lamp frame connecting device, which aims to solve the problems that in the prior art, most of positioning pins are of a rigid cylindrical structure, limit designs aiming at a stressed side are lacking, the gravity of a car lamp cannot be effectively supported to form a reliable temporary support, and manual support is still needed during assembly. In order to achieve the above purpose, the present invention adopts the following technical scheme: The car lamp frame connecting device comprises a lamp shell, wherein a main mounting leg and at least two auxiliary mounting legs are arranged on the back surface of the lamp shell, reference positioning holes are formed in the main mounting legs and are used for being matched with main positioning pins on a car frame to realize X-direction, Y-direction and Z-direction three-way reference positioning of the lamp shell, the auxiliary mounting legs comprise a mounting substrate, adjusting mounting holes and bolt through holes which are arranged at intervals with the adjusting mounting holes are formed in the mounting substrate, and the bolt through holes are used for being matched with fixing bolts to enable the lamp shell to be fixedly mounted on the car frame; The adjusting and mounting holes are of kidney-shaped hole structures, auxiliary positioning pins are matched with the adjusting and mounting holes, the long axis directions of the adjusting and mounting holes on the plurality of auxiliary mounting legs are consistent, and the adjusting and mounting holes are all arranged along the width direction of the vehicle body; The middle part of the adjusting mounting hole is provided with a pre-positioning groove which is positioned on one stressed side of the lamp housing when the lamp housing is hung and buckled on the main positioning pin and the auxiliary positioning pin and is used for bearing the gravity of the lamp housing and the assembly counterforce to form stable temporary limit; The two ends of the pre-positioning groove are respectively provided with a smooth transition guide inclined plane, and the width of the pre-positioning groove is larger than the width of the short shaft of the adjusting installation hole; The auxiliary positioning pin can enter the adjusting mounting hole through the preset groove and slide along the long axis direction of the auxiliary positioning pin, the rod part of the auxiliary positioning pin can be clamped into the preset groove, and temporary preset positioning is formed by means of the lamination support of the preset groove and the auxiliary positioning pin; the adjusting mounting hole is matched with the auxiliary positioning pin to form an anti-falling structure, and the auxiliary positioning pin is limited to be separated along the axial direction. Preferably, the main mounting leg and the auxiliary mounting leg are integrally formed with the lamp housing, the root of the mounting substrate is integrally formed with reinforcing ribs, and at least one reinforcing rib is arranged at intervals along the length direction of the mounting substrate. Preferably, the adjusting mounting hole comprises a narrow opening section penetrating through the mounting substrate and a wide groove section located on the inner side of the mounting substrate, and a limiting step surface is formed between the narrow opening section and the wide groove