Quick disassembly and assembly structure for vehicle headlight

Abstract

The utility model discloses a vehicle headlight quick disassembly and assembly structure which comprises a lamp shell body and a lampshade, an annular butt joint groove is fixedly formed in the end, close to the lampshade, of the lamp shell body, and an annular insertion part used for being in butt joint with the annular butt joint groove is fixedly arranged on the lampshade. A fixing assembly is further fixedly arranged between the lamp shell body and the lampshade. The sealing structure further comprises a flexible sealing locking piece, the flexible sealing locking piece is fixedly arranged in the annular butt joint groove, and the flexible sealing locking piece locks and seals the annular inserting part from the inner side wall and the outer side wall of the annular inserting part. The two side faces of the annular inserting part on the lampshade are sealed through the flexible sealing locking piece, the sealing performance is better, and sealing failure caused by embrittlement is avoided; in addition, the fixing structure is independently arranged, and the annular insertion part and the annular butt joint groove are in insertion connection, so that the annular insertion part and the annular butt joint groove are easier to disassemble, operation is convenient, and cost is low.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle accessories, in particular to a quick dismounting structure of a vehicle headlamp. BACKGROUND

[0002] The vehicle headlamp is one of the main lighting and signaling devices on the vehicle, which is installed at the front end of the vehicle and mainly used to provide illumination for the rider in the night or low light conditions, and also helps other vehicles or pedestrians to notice the presence of the vehicle.

[0003] In the prior art, the vehicle headlamp usually includes a lamp shell for installing electrical elements and a lamp cover covered on the lamp shell. Since the lamp cover of the headlamp may be impacted by dust and rain when the vehicle is moving forward, the connection between the lamp shell and the lamp cover may be loosened or the sealing performance may be reduced, thereby causing damage to the internal electronic components. In addition, in some unexpected situations, the components on the headlamp also need to be replaced. At present, the lamp shell and the lamp cover of the headlamp on the market are usually bonded by glue. With the erosion of wind and rain, the hardened glue may become brittle, resulting in a decrease in the connection stability and the sealing performance. In addition, when a small component on the headlamp is broken, it is difficult to replace the component because the glued part needs to be forcibly damaged, so the whole headlamp usually needs to be replaced, resulting in high maintenance cost.

[0004] Therefore, it is necessary for the inventor to design a new quick dismounting structure of a vehicle headlamp to overcome the above problems. SUMMARY

[0005] The main purpose of the present application is to provide a quick dismounting structure of a vehicle headlamp to solve the problems of poor connection stability of glue and high replacement and maintenance cost in the related art.

[0006] In order to achieve the above purpose, the present application provides a quick dismounting structure of a vehicle headlamp, which comprises a lamp shell body and a lamp cover. An annular butt joint groove is fixedly arranged at one end of the lamp shell body close to the lamp cover. An annular plug-in part for butt joint with the annular butt joint groove is fixedly arranged on the lamp cover. A fixing assembly is also fixedly arranged between the lamp shell body and the lamp cover. A flexible sealing and locking member is fixedly arranged in the annular butt joint groove. The flexible sealing and locking member locks and seals the annular plug-in part from the inner and outer walls of the annular plug-in part.

[0007] Preferably, the flexible sealing and locking member comprises a pad layer and two elastic swing parts. The pad layer is clamped on the inner bottom of the annular butt joint groove. The two elastic swing parts are fixedly arranged on the pad layer and respectively located on the inner and outer sides of the annular plug-in part.

[0008] Preferably, the elastic swing part is an elastic hose, and the middle part of the elastic hose has an air cavity.

[0009] Preferably, the material of the pad layer and the elastic swing part is one or both of rubber and latex.

[0010] Preferably, the fixing assembly comprises a threaded sleeve and a screw rod, the threaded sleeve is fixedly arranged on the lamp shell body, and the screw rod is threadedly connected with the threaded sleeve and presses the lampshade on the lamp shell body.

[0011] Preferably, the lampshade is further provided with a shielding limiting part, the shielding limiting part is located outside the annular insertion part and has an annular structure.

[0012] Preferably, the shielding limiting part is provided with a bushing for cooperating with the screw rod.

[0013] Preferably, the shielding limiting part and the annular insertion part are transparent.

[0014] Preferably, the shielding limiting part and the annular insertion part are integrally formed with the lamp shell body.

[0015] Compared with the prior art, the vehicle headlamp quick dismounting structure has the advantages that:

[0016] The flexible sealing locking piece is arranged to seal the two side surfaces of the annular insertion part of the lampshade, the sealing performance is better, and the sealing will not be invalid due to embrittlement; in addition, the fixing structure is separately arranged, and the annular insertion part and the annular butt joint groove are in plug-in connection, so that the two are more simple to dismount, convenient to operate, and low in cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, objects and advantages of this application become more apparent. The illustrative embodiment drawings of this application and the description thereof are used to explain this application, and do not constitute an improper limitation on this application. In the drawings:

[0018] Fig. 1 is the structural explosion drawing of the utility model;

[0019] Fig. 2 is the cross-sectional structure drawing (after explosion) of the utility model;

[0020] Fig. 3 is the overall structure drawing of the utility model.

[0021] Wherein: 1, lamp shell body; 2, lampshade; 3, annular butt joint groove; 4, annular insertion part; 5, flexible sealing locking piece; 501, pad layer; 502, elastic swing part; 6, air cavity; 7, threaded sleeve; 8, screw rod; 9, shielding limiting part; 10, bushing. DETAILED DESCRIPTION

[0022] In order to make the persons skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the persons skilled in the art without creative labor should belong to the protection scope of the present application.

[0023] It should be noted that the terms "first", "second" and the like in the specification of the present application and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0025] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For the person skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0026] In addition, the meaning of the term "a plurality of" should be two and more than two.

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] As Figs. 1 to 3As shown, a vehicle headlamp quick dismounting structure comprises a lamp shell body 1 and a lampshade 2, the lamp shell body 1 is fixedly provided with an annular butt joint groove 3 at one end close to the lampshade 2, the lampshade 2 is fixedly provided with an annular plug-in part 4 for butt joint with the annular butt joint groove 3, and a fixing assembly is further fixedly arranged between the lamp shell body 1 and the lampshade 2; further comprising a flexible sealing locking piece 5, which is fixedly arranged in the annular butt joint groove 3, and the flexible sealing locking piece 5 seals and locks the annular plug-in part 4 from the inner and outer side walls of the annular plug-in part 4. The flexible sealing locking piece 5 comprises a pad layer 501 and two elastic swing parts 502, the pad layer 501 is clamped at the inner bottom of the annular butt joint groove 3, and the two elastic swing parts 502 are fixedly arranged on the pad layer 501 and respectively located at the inner and outer sides of the annular plug-in part 4.

[0029] Specifically, when connecting the lamp shell body 1 and the lampshade 2, the flexible sealing locking piece 5 is first arranged in the annular butt joint groove 3, and since it is flexible, it can be clamped in the annular butt joint groove 3, then the annular plug-in part 4 is aligned with the gap between the two elastic swing parts and inserted, so that the inner and outer sides of the annular plug-in part 4 squeeze the elastic swing parts, the elastic swing parts are deformed by the block of the inner side wall of the annular butt joint groove 3, until the elastic swing parts and the side wall of the annular butt joint groove 3 and the annular plug-in part 4 are in abutment, thereby realizing the sealing of the inner and outer sides of the annular plug-in part 4, the sealing performance is good, and since the elastic swing parts have elasticity, they can be adjusted by elastic force during work, so that the sealing position is not easy to have a gap due to brittleness, and after the butt joint is completed, the lamp shell body 1 and the lampshade 2 are fixed by the fixing assembly, thereby realizing the installation of the two. When replacing parts, the fixing assembly is only needed to be disengaged, then the plug-in part is pulled out of the annular butt joint groove 3, thereby realizing the dismounting of the lamp shell body 1 and the lampshade 2, the operation is convenient, the whole headlamp does not need to be replaced, and the maintenance cost is low. In the embodiment, the two sides of the annular plug-in part 4 on the lampshade 2 are sealed by the flexible sealing locking piece 5, the sealing performance is better, and the sealing will not be invalid due to brittleness; in addition, the fixing structure is separately arranged, and the annular plug-in part 4 and the annular butt joint groove 3 are in plug-in connection, so that the dismounting of the two is simpler, the operation is more convenient, and the cost is lower.

[0030] The elastic swing part 502 is an elastic hose, and the middle part of the elastic hose has an air cavity 6. Specifically, the elastic hose has good elasticity and a large deformation range, so that the annular plug-in part 4 can maintain good sealing performance during the whole use process.

[0031] The material of the pad layer 501 and the elastic swing part 502 is one or both of rubber and latex. Specifically, rubber and latex are both good elastic sealing materials, and the cost is low.

[0032] The fixing assembly comprises a threaded sleeve 7 fixed on the lamp shell body 1 and a screw rod 8 threadedly connected with the threaded sleeve 7 and pressing the lamp shade 2 on the lamp shell body 1. The lamp shade 2 is further provided with a shielding limiting part 9 located outside the annular plug-in part 4 and having an annular structure. The shielding limiting part 9 is provided with a plug hole 10 for cooperating with the screw rod 8. Specifically, the screw rod 8 is threadedly connected between the plug hole 10 and the threaded sleeve 7 after penetrating the plug hole 10, thereby fixing the lamp shade 2, and the shielding limiting part 9 shields the whole butt joint groove from outside, thereby preventing most rain and dust and protecting the flexible sealing clamping member.

[0033] The shielding limiting part 9 and the annular plug-in part 4 are transparent. Specifically, the transparent material is convenient for naked eye observation during plug-in and convenient for user operation.

[0034] The shielding limiting part 9 and the annular plug-in part 4 are integrally formed with the lamp shell body 1. Specifically, the integral forming has high rigidity and low cost.

[0035] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A quick detachable structure of a vehicle headlamp, characterized by: The utility model provides a lampshade locking device, including lamp shell body (1) with lampshade (2), one end of lamp shell body (1) is fixedly arranged with annular butt joint groove (3) close to lampshade (2), lampshade (2) is fixedly provided with annular insertion part (4) for butt joint with annular butt joint groove (3), still fixedly arranged with fixed assembly between lamp shell body (1) with lampshade (2), Still include flexible sealing locking piece (5), flexible sealing locking piece (5) is fixedly arranged in annular butt joint groove (3), and flexible sealing locking piece (5) is locked and sealed from the inner and outer side wall of annular insertion part (4) to annular insertion part (4).

2. The quick detachable structure of a vehicle headlamp according to claim 1, wherein: Flexible sealing locking piece (5) includes pad layer (501) with two elastic swing parts (502), pad layer (501) is clamped in the inner bottom of annular butt joint groove (3), and two elastic swing parts (502) are fixedly arranged on pad layer (501) and are located at the inner and outer sides of annular insertion part (4) respectively.

3. A quick detachable structure of a vehicle headlamp according to claim 2, characterized in that: Elastic swing part (502) is elastic hose, and the middle part of elastic hose has air cavity (6).

4. The quick detachable structure of a vehicle headlamp according to claim 2, wherein: The material of pad layer (501) and elastic swing part (502) is one or both of rubber or latex.

5. The quick detachable structure of a vehicle headlamp according to claim 1, wherein: The fixed assembly includes threaded sleeve (7) and screw rod (8), threaded sleeve (7) is fixedly arranged on lamp shell body (1), screw rod (8) is threadedly connected with threaded sleeve (7) and is pressed tightly on lamp shell body (1) with lampshade (2).

6. A quick detachable structure of a vehicle headlamp according to claim 5, wherein: Lampshade (2) is also fixedly provided with shielding limiting portion (9), and shielding limiting portion (9) is located at the outside of annular insertion part (4) and is annular structure.

7. A quick detachable structure of a vehicle headlamp according to claim 6, wherein: The shielding limiting portion (9) is provided with a hole (10) for cooperating with the screw rod (8).

8. The quick detachable structure of a vehicle headlamp according to claim 6, wherein: The shielding limiting portion (9) and the annular insertion part (4) are transparent.

9. The quick detachable structure of a vehicle headlamp according to claim 6, wherein: The shielding limiting portion (9) and the annular insertion part (4) are integrally formed with the lamp shell body (1).

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