CN220082888U

CN220082888U - Light guide fixing and assembling structure

Info

Publication number: CN220082888U
Application number: CN202320467332.5U
Authority: CN
Inventors: 毕跃贤
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-11-24
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a light guide fixing and assembling structure, which comprises a light guide assembly, a shell and an LED module; the light guide assembly comprises an integrated light conductor, a bracket and a cover plate; one end of the shell is provided with an assembly port, and a matching hole and a locking plate are formed in the assembly port; the LED module is assembled on the shell and inserted into the assembly opening, one end of the light conductor is inserted into the matching hole, the end face of the light conductor is abutted against the LED module, and the bracket is fastened and connected with the locking plate through the stud bolt. The LED module is more stable and accurate to assemble, the gap between the light guide and the LED module can be effectively ensured, and the assembling error is reduced.

Description

Light guide fixing and assembling structure

Technical Field

The utility model relates to the technical field of car lamps, in particular to a light guide fixing and assembling structure.

Background

In the prior art, the modeling of the automotive headlamp is more and more complex, and a plurality of light guides are directly installed in a lampshade, and are required to be assembled with a shell and an LED module. However, for the assembly structure in the current lamp shade, after the lamp shade and the shell pressfitting rubber coating, the clearance of light guide terminal surface and LED hardly guarantees, and the error is great, leads to the deformation requirement of car light part single product to need reaching higher level and just can guarantee that LED and light guide match, can make the lamps and lanterns development degree of difficulty increase like this, and development cost is also higher in addition, and along with the increase of using time long can appear not hard up skew of different degree, influences life etc. of car light.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the light guide fixing and assembling structure, which is more stable and accurate in assembly, can effectively ensure the gap between the light guide and the LED module and reduces the assembly error.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a fixed assembly structure of light guide, it includes light guide assembly, body and LED module;

the light guide assembly comprises an integrated light conductor, a bracket and a cover plate;

one end of the shell is provided with an assembly port, and a matching hole and a locking plate are formed in the assembly port;

the LED module is assembled on the shell and inserted into the assembly opening, one end of the light conductor is inserted into the matching hole, the end face of the light conductor is abutted against the LED module, and the bracket is fastened and connected with the locking plate through the stud bolt.

Further, a baffle is formed at the end of the support, which is close to the assembly opening, one end of the baffle is provided with a screw hole, and the stud member penetrates through the locking plate and is locked in the screw hole.

Further, a first limit groove for adapting to the light conductor is formed in the support, a second limit groove for adapting to the light conductor is formed in the cover plate, a convex rib is formed on the light conductor, a positioning notch is formed in the end portion, close to the assembly opening, of the first limit groove, the light conductor is assembled in the first limit groove and the second limit groove, and the convex rib is clamped in the positioning notch.

Further, the two sides of the bracket are provided with jacks and clamping blocks, and a positioning flange is formed on one side of the baffle plate, which is far away from the assembly port;

the two sides of the cover plate are provided with an elastic plugboard and an elastic clamping board, and one end of the cover plate, which is close to the assembly port, is provided with a notch;

the cover plate is assembled on the bracket, the elastic inserting plate is inserted into the inserting hole, the elastic clamping plate is clamped with the clamping block, and the positioning flange is embedded into the notch in a limiting mode.

Further, a clamping pin is formed on the optical conductor, an elastic buckle is formed at the end part of the matching hole, and the optical conductor is inserted into the matching hole and is clamped with the elastic buckle through the clamping pin.

Further, a guide boss is formed on the light conductor, a guide notch is formed in the matching hole, and the light conductor is inserted into the matching hole and forms a guide limit with the guide notch through the guide boss.

Further, one end of the light conductor, which is close to the LED module, is also provided with a positioning rib, and the positioning rib is tightly attached to the LED module to form positioning.

Further, the stud member includes a holding table in the middle, a double thread portion and a nut fitting portion formed at both sides of the holding table, and a nut fitted on the nut fitting portion;

the double-thread part is fastened in the screw hole, two end faces of the supporting table are respectively abutted against the end face of the screw hole and the outer side face of the locking plate, the nut matching part penetrates through the locking plate, and the nut is locked on the inner side face of the locking plate.

Further, anti-slip teeth are formed on the end face of the abutting table, which is close to the screw hole.

Further, the end of the nut near the locking plate is formed with a pressure plate.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. according to the utility model, the formed matching hole and the locking plate are designed in the assembly port of the shell, the light guide component is assembled in the matching hole in a plugging manner and is tightly attached to the LED module, and the light guide component is fastened and connected with the locking plate of the shell through the stud bolt, so that the gap error between the light guide and the LED module is reduced, the assembly accuracy of the structure is ensured, the cost is saved, the production and assembly efficiency and quality are improved, and the service life of a product is prolonged.

2. The light guide component of the utility model assembles the light guide body integrally through the bracket and the cover plate, and realizes accurate and stable assembly through a series of positioning clamping structures such as the convex ribs, the positioning notch, the insertion holes, the elastic insertion plates, the elastic clamping plates, the clamping blocks, the positioning flanges, the notches and the like, thereby improving the accuracy of the light guide assembly.

3. When the light conductor is inserted into the matching hole, the assembly stability between the light conductor and the shell is higher through the clamping matching between the clamping pin and the elastic buckle, the guiding limit between the guiding boss and the guiding notch and the positioning between the positioning rib and the LED module, the assembly fit degree between the light conductor and the LED module is effectively ensured, the gap error between the light conductor and the LED module is reduced, and the assembly accuracy of the structure is ensured.

4. According to the double-head bolt, one end of the double-head bolt is fastened with the screw hole of the support in the light guide assembly, the nut is assembled at the other end of the double-head bolt for locking, and meanwhile, the middle part of the double-head bolt is provided with the supporting table, so that a stacked structure of the nut, the locking plate, the supporting table and the screw hole is formed after assembly, the firmness and the stability of structure assembly are effectively enhanced, the gap fluctuation between the light guide and the LED module is reduced, and the accuracy is ensured.

Drawings

FIG. 1 is a schematic diagram of the structural assembly of an embodiment of the present utility model;

FIG. 2 is a schematic diagram illustrating the disassembly of an embodiment of the present utility model;

FIG. 3 is a schematic diagram illustrating assembly of a light guide assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic illustration of a light guide assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a support according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a photoconductor according to an embodiment of the utility model;

FIG. 7 is a schematic view of a cover plate according to an embodiment of the present utility model;

FIG. 8 is a schematic view of the outer structure of the housing according to the embodiment of the present utility model;

FIG. 9 is a schematic view of the inner side structure of the housing according to the embodiment of the present utility model;

FIG. 10 is a schematic view of the structure of a stud member according to an embodiment of the present utility model;

FIG. 11 is another schematic view of the structure of FIG. 1;

FIG. 12 is a schematic cross-sectional view of section A-A of FIG. 11;

FIG. 13 is a schematic cross-sectional view of section B-B of FIG. 11;

1, a light conductor; 11. convex ribs; 12. a clamping foot; 13. positioning ribs; 14. a guide boss; 2. a bracket; 20. a first limit groove; 21. positioning the notch; 22. a baffle; 220. screw holes; 221. positioning the flange; 23. a jack; 24. a clamping block; 3. a cover plate; 30. the second limit groove; 31. an elastic plugboard; 32. an elastic clamping plate; 33. a notch; 4. a housing; 40. an assembly port; 41. a mating hole; 411. an elastic buckle; 412. a guide slot; 42. a locking plate; 5, an LED module; 6. a stud member; 60. a supporting table; 600. anti-slip teeth; 61. a double-thread portion; 62. a nut fitting portion; 63. a nut; 630. and (3) pressing a plate.

Detailed Description

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As shown in fig. 1 to 13, in the present embodiment, there is provided a light guide fixing and assembling structure which is mainly composed of a light guide member, a housing 4, an LED module 5, and the like. Wherein, the light guide component is assembled and integrated by the light guide body 1, the bracket 2 and the cover plate 3.

Referring to fig. 1, 2, 8, 9, 11, and 12, an elliptical fitting opening 40 is formed at one end of the housing 4, and a fitting hole 41 and a locking plate 42 are formed in the fitting opening 40. The LED module 5 is assembled on the outer side of the shell 4 through screw locking, one end of the LED module 5 is inserted into the assembly opening 40, meanwhile, one end of the light conductor 1 is inserted into the matching hole 41 from the inner side of the shell 4, the end face of the light conductor 1 abuts against the LED module 5, and the bracket 2 is in fastening connection with the locking plate 42 through the stud piece 6. Through the design of the assembly structure, the gap error between the optical conductor 1 and the LED module 5 can be reduced, and the assembly accuracy of the structure is ensured, so that the cost is saved, the production and assembly efficiency and quality are improved, and the service life of a product is prolonged.

Specifically, referring to fig. 5 and 12, a baffle 22 is formed at the end of the bracket 2 near the fitting opening 40 in the present embodiment, and a screw hole 220 is formed at one end of the baffle 22, and the stud member 6 passes through the lock attaching plate 42 and is locked in the screw hole 220, thereby locking and fastening the light guide assembly as a whole with the housing 4.

Referring to fig. 3-7, the light guide assembly in this embodiment is assembled by providing a first limit groove 20 on the bracket 2 to adapt to the shape of the light conductor 1, and providing a second limit groove 30 on the cover plate 3 to adapt to the shape of the light conductor 1, where the first limit groove 20 and the second limit groove 30 are both semi-arc-shaped to position and clamp the light conductor 1 in the middle. Meanwhile, the convex rib 11 is formed on the light conductor 1, the end part of the first limit groove 20, which is close to the assembly opening 40, is provided with a positioning notch 21, when the light conductor 1 is assembled, the light conductor 1 is firstly positioned and assembled in the first limit groove 20 of the bracket 2, the convex rib 11 is clamped in the positioning notch 21, then the cover plate 3 is covered, the light conductor 1 is clamped in the middle through the second limit groove 30, and the cover plate 3 is assembled on the bracket 2. More specifically, the two sides of the bracket 2 are provided with the insertion holes 23 and the clamping blocks 24, the side of the baffle 22 away from the assembly opening 40 is provided with the positioning flange 221, meanwhile, the two sides of the cover plate 3 are provided with the elastic inserting plate 31 and the elastic clamping plate 32, and the end of the cover plate 3 close to the assembly opening 40 is also provided with the notch 33, so that when the cover plate 3 is assembled with the bracket 2, the elastic inserting plate 31 is inserted into the insertion holes 23, the elastic clamping plate 32 is clamped with the clamping blocks 24, and the positioning flange 221 is limited and embedded into the notch 33 to form positioning. In this way, the light conductor 1 is assembled integrally through the bracket 2 and the cover plate 3, and accurate and stable assembly is realized through a series of positioning clamping structures, so that the accuracy of light guide assembly is improved.

In order to further improve the assembly stability between the light guide assembly and the housing 4, referring to fig. 6, 8, 9, 12, and 13, the light guide 1 of the present embodiment is formed with a clip 12 and a guide boss 14, the end of the mating hole 41 of the housing 4 is formed with an elastic clip 411, and the inside of the mating hole 41 is also formed with a guide notch 412. When the light guide assembly is assembled with the housing 4, the light conductor 1 is inserted into the matching hole 41, forms a guiding limit with the guiding notch 412 through the guiding boss 14, and forms a clamping connection with the elastic buckle 411 through the clamping pin 12. In addition, a positioning rib 13 is formed at one end of the light conductor 1 close to the LED module 5, and the positioning rib 13 is tightly attached to the LED module 5 to form positioning during assembly. So make the assembly stability between photoconductor 1 and the casing 4 higher, effectively guarantee with the assembly degree of fit between the LED module 5, reduce the clearance error between photoconductor 1 and the LED module 5 to guarantee the assembly accuracy of structure.

Specifically, referring to fig. 8 to 12, the stud member 6 in the present embodiment is composed of a hexagonal abutment table 60 in the middle, double thread portions 61 and nut engaging portions 62 formed on both sides of the abutment table 60, and nuts 63 fitted on the nut engaging portions 62. When the light guide assembly is assembled with the housing 4, the double-thread portion 61 of the stud member 6 is fastened in the screw hole 220, and when the light conductor 1 is inserted into the fitting hole 41, the nut fitting portion 62 of the stud member 6 passes through the locking plate 42, two end faces of the supporting table 60 are respectively abutted against the end face of the screw hole 220 and the outer side face of the locking plate 42, and then the nut 63 is locked on the inner side face of the locking plate 42 to complete locking and fixing, so that the light guide assembly is assembled and connected with the housing 4. So make after the assembly form the fold column structure of nut 63, lock attach plate 42, support and hold platform 60 and screw hole 220 to effectively strengthen the fastness and the stability of structure assembly, reduce the clearance fluctuation between photoconductor 1 and the LED module 5, guarantee the accuracy.

Further, as shown in fig. 10, the end surface of the abutment 60 near the screw hole 220 of the present embodiment is formed with anti-slip teeth 600 to enhance the locking firmness and prevent slipping and enhance durability. A pressure plate 630 is further formed at the end of the nut 63 near the locking plate 42, so that the pressing surface during locking and pressing can be increased, and the locking stability is enhanced.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The technical problems, technical solutions and beneficial effects that the present utility model solves are further described in detail in the above specific embodiments, it should be understood that the above description is only specific embodiments of the present utility model and is not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. that fall within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A light guide fixing assembly structure, characterized in that: comprises a light guide component, a shell (4) and an LED module (5);

the light guide assembly comprises an integrated light guide body (1), a bracket (2) and a cover plate (3);

one end of the shell (4) is provided with an assembly port (40), and a matching hole (41) and a locking plate (42) are formed in the assembly port (40);

the LED module (5) is assembled on the shell (4) and inserted into the assembly port (40), one end of the light guide body (1) is inserted into the matching hole (41), the end face of the light guide body (1) is tightly abutted against the LED module (5), and the bracket (2) is fixedly connected with the locking plate (42) through the stud bolt (6).

2. A light guide fixing structure as claimed in claim 1, wherein: the end of the bracket (2) close to the assembly opening (40) is provided with a baffle plate (22), one end of the baffle plate (22) is provided with a screw hole (220), and the stud bolt piece (6) penetrates through the locking plate (42) and is locked in the screw hole (220).

3. A light guide fixing structure as claimed in claim 2, wherein: the light guide structure is characterized in that a first limit groove (20) for adapting to the light conductor (1) is formed in the support (2), a second limit groove (30) for adapting to the light conductor (1) is formed in the cover plate (3), a convex rib (11) is formed on the light conductor (1), a positioning notch (21) is formed in the end portion, close to the assembly opening (40), of the first limit groove (20), the light conductor (1) is assembled in the first limit groove (20) and the second limit groove (30), and the convex rib (11) is clamped in the positioning notch (21).

4. A light guide fixing structure as claimed in claim 3, wherein: the two sides of the bracket (2) are provided with insertion holes (23) and clamping blocks (24), and a positioning flange (221) is formed on one side of the baffle (22) away from the assembly opening (40);

the two sides of the cover plate (3) are provided with an elastic inserting plate (31) and an elastic clamping plate (32), and a notch (33) is formed in one end, close to the assembly opening (40), of the cover plate (3);

the cover plate (3) is assembled on the support (2), the elastic inserting plate (31) is inserted into the inserting hole (23), the elastic clamping plate (32) is clamped with the clamping block (24), and the positioning flange (221) is embedded into the notch (33) in a limiting mode.

5. A light guide fixing structure as claimed in claim 2, wherein: the light guide body (1) is provided with a clamping foot (12) in a forming mode, the end portion of the matching hole (41) is provided with an elastic buckle (411), and the light guide body (1) is inserted into the matching hole (41) and is clamped with the elastic buckle (411) through the clamping foot (12).

6. A light guide fixture assembly structure as recited in claim 5, wherein: the guide boss (14) is formed on the light guide body (1), the guide notch (412) is formed in the matching hole (41), and the light guide body (1) is inserted into the matching hole (41) and forms guide limit with the guide notch (412) through the guide boss (14).

7. A light guide fixture assembly structure as recited in claim 5, wherein: one end of the light conductor (1) close to the LED module (5) is further provided with a positioning rib (13), and the positioning rib (13) is tightly attached to the LED module (5) to form positioning.

8. A light guide fixing structure as claimed in any one of claims 2 to 7, wherein: the stud member (6) includes a middle abutment table (60), double thread portions (61) and nut engaging portions (62) formed on both sides of the abutment table (60), and nuts (63) fitted on the nut engaging portions (62);

the double-thread part (61) is fastened in the screw hole (220), two end faces of the supporting table (60) are respectively tightly supported on the end face of the screw hole (220) and the outer side face of the locking plate (42), the nut matching part (62) penetrates through the locking plate (42), and the nut (63) is locked on the inner side face of the locking plate (42).

9. A light guide fixture assembly structure as recited in claim 8, wherein: the end surface of the supporting table (60) close to the screw hole (220) is provided with anti-slip teeth (600).

10. A light guide fixing structure as claimed in claim 9, wherein: the end of the nut (63) close to the locking plate (42) is provided with a pressure plate (630).