CN220135421U

CN220135421U - Sealing structure of carpet lamp

Info

Publication number: CN220135421U
Application number: CN202321429534.7U
Authority: CN
Inventors: 张宏卫; 周杨
Original assignee: Lianchuang Electronic Technology Co ltd
Current assignee: Lianchuang Electronic Technology Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-12-05
Anticipated expiration: 2033-06-07

Abstract

The utility model relates to the technical field of carpet lamps, in particular to a sealing structure of a carpet lamp, which comprises a carpet lamp shell, an imaging lens, a sealing cover and a sealing ring, wherein a cylindrical groove for accommodating the imaging lens is arranged in the carpet lamp shell, a concave area for accommodating the sealing ring is arranged at the outer diameter of the imaging lens, the sealing cover is arranged on the carpet lamp shell, four-side grooves are formed in the concave area, the inner side surface of the carpet lamp shell and the sealing surface of the sealing cover, and the sealing ring is in surface contact with the four surfaces of the four-side grooves. The utility model makes the imaging lens at the outermost side of the carpet lamp into the stepped outer diameter with the concave area, a four-side groove is formed between the imaging lens and the shell and the cover of the carpet lamp, the sealing ring is arranged in the four-side groove, and after the imaging lens and the cover are arranged in place, the sealing ring is in surface contact with the four surfaces of the four-side groove by properly calculating the relevant dimensions, so that good sealing is formed, and the dustproof and waterproof performances of the carpet lamp are ensured.

Description

Sealing structure of carpet lamp

Technical Field

The utility model relates to the technical field of carpet lamps, in particular to a sealing structure of a carpet lamp.

Background

The demands of consumers for individualization of vehicles are increasingly more prominent, and the demands for automobile decorations are also increasingly higher. In automobile decoration, decorative lamps, particularly exterior carpet lamps, are becoming one of the important means of highlighting individuality and vehicle quality, and are becoming more and more interesting to all manufacturers of large vehicles and consumers. Carpet lights generally consist mainly of an LED light, several illumination lenses, a film, several imaging lenses, and a plastic housing, and have a small overall size.

The carpet lamp works outside the automobile, and the external environment of the automobile is severe, so that the carpet lamp has high requirements on dust prevention and water prevention. The existing carpet lights have been required to be dust and water resistant to IP68.

In order to meet the requirements of dust prevention and water resistance, the existing carpet lamp generally comprises the following treatment methods: scheme one: the carpet lamp shell is made into a whole which can be dustproof and waterproof, a transparent light outlet is reserved, the illumination and imaging part of the carpet lamp is made into a part, the part is arranged in the carpet lamp shell, and the shell is dustproof and waterproof;

scheme II: the illumination and imaging lenses of the carpet lamp are directly arranged on the carpet lamp shell, the last lens of the carpet lamp is made of glass material and is directly exposed, the lens is firstly fixed on the shell by utilizing a structural member, then glue is applied between the last lens of the carpet lamp and the shell, and the lens and the shell are sealed by the glue, so that the requirements of dust prevention and water prevention are met;

however, the above solutions have certain problems:

scheme one: in the whole imaging projection, the light path is equivalent to the light transmission part of the shell, and the light transmittance of the lens is lower, so that the efficiency of the carpet lamp is seriously affected. And the illumination and imaging parts of the carpet lamp are made into one part, so that the whole carpet lamp can use more parts, the assembly efficiency of the production line is affected, and the product cost is increased.

Scheme II: the service environment of carpet lamp is on the car, and in the car driving process, the automobile body is vibrating all the time, and ambient temperature changes greatly moreover, very easily leads to gluing inefficacy, can not continue to seal the carpet lamp effectively, can lead to intaking such as carpet, finally leads to the vehicle to suffer from complaints.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art and provides a sealing structure of a carpet lamp.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a seal structure of carpet light, includes carpet light shell, imaging lens, closing cap, sealing washer, set up the cylinder groove that is used for holding imaging lens in the carpet light shell, imaging lens's external diameter department sets up the sunk area that is used for placing the sealing washer, the closing cap sets up on the carpet light shell, sunk area, the medial surface of carpet light shell, the sealed face of closing cap form four sides recess, the sealing washer is with four face surface contact of four sides recess.

Further, the center diameter D3 of the seal ring satisfies the formula: d3 = (d1+d2)/2, where D1 is the inner diameter of the imaging lens and D2 is the outer diameter of the imaging lens.

Further, the line diameter d of the sealing ring meets the formula: (H/0.8) < d < (H/0.7), wherein H is the height of the groove body of the four-sided groove.

Further, the line diameter d of the sealing ring meets the formula:

[π*(H*H/4)+((D2-D1)/2-H)*H]<[π*(d*d/4)]<[(D2-D1)/2*H]；

where pi is the circumference ratio, D1 is the inner diameter of the imaging lens 2, D2 is the outer diameter of the imaging lens 2, and H is the groove body height of the four-sided groove 5.

Further, the bottom of the cover is in threaded connection with the side wall of the carpet light housing.

Further, a light transmission hole for transmitting light is formed in the top of the sealing cover.

Further, the sealing ring is an O-shaped silica gel ring.

Further, the imaging lens is the outermost lens of the carpet light.

The utility model has the beneficial effects that: as can be seen from the above description of the present utility model, compared with the prior art, the sealing structure of the carpet light of the present utility model includes a carpet light housing, an imaging lens, a cover and a sealing ring, wherein the imaging lens at the outermost side of the carpet light is made into a stepped outer diameter with a concave area, a four-sided groove is formed between the imaging lens and the carpet light housing and the cover, the sealing ring is installed in the four-sided groove, and the sealing ring and the four sides of the four-sided groove are in surface contact after the imaging lens and the cover are installed in place by properly calculating the relevant dimensions, so that a good seal is formed, and the dustproof and waterproof performances of the carpet light are ensured. Compared with the prior art, the utility model saves parts, reduces the cost of products, adopts the sealing ring for sealing, has simple structure and good reliability, and reduces the risk of poor quality of products.

Drawings

FIG. 1 is a schematic cross-sectional view of a carpet light seal according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a carpet light seal according to a preferred embodiment of the present utility model, except for a seal ring;

FIG. 3 is a schematic cross-sectional view of a seal configuration of a carpet light according to a preferred embodiment of the present utility model;

reference numerals: 1. a carpet light housing; 2. an imaging lens; 3. a cover; 4. a seal ring; 5. four-sided grooves; 11. an inner side surface; 21. a recessed region; 31. sealing surfaces; 32. and a light-transmitting hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, a sealing structure of a carpet light according to a preferred embodiment of the present utility model comprises a carpet light housing 1, an imaging lens 2, a sealing cover 3 and a sealing ring 4, wherein a cylindrical groove for accommodating the imaging lens 2 is arranged in the carpet light housing 1, a concave area 21 for placing the sealing ring 4 is arranged at the outer diameter of the imaging lens 2, the sealing cover 3 is arranged on the carpet light housing 1, the concave area 21, an inner side surface 11 of the carpet light housing 1 and a sealing surface 31 of the sealing cover 3 form four-side grooves 5, and the sealing ring 4 is in surface contact with four surfaces of the four-side grooves 5.

The utility model has the beneficial effects that: as can be seen from the above description of the present utility model, compared with the prior art, the sealing structure of the carpet light of the present utility model includes the carpet light housing 1, the imaging lens 2, the sealing cover 3, and the sealing ring 4, the utility model makes the imaging lens 2 at the outermost side of the carpet light into a stepped outer diameter having the concave area 21, which forms a four-sided groove 5 with the carpet light housing 1 and the sealing cover 3, and the sealing ring 4 is installed in the four-sided groove 5, and by properly calculating the relevant dimensions, the sealing ring 4 is in surface contact with the four sides of the four-sided groove 5 after the imaging lens 2 and the sealing cover 3 are installed in place, thereby forming a good seal and guaranteeing the dustproof and waterproof performance of the carpet light. Compared with the prior art, the utility model saves parts, reduces the cost of products, adopts the sealing ring 4 for sealing, has simple structure and good reliability, and reduces the risk of poor quality of products.

As a preferred embodiment of the utility model, it may also have the following additional technical features:

in this embodiment, the center diameter D3 of the seal ring 4 satisfies the formula: d3 = (d1+d2)/2, where D1 is the inner diameter of the imaging lens 2 and D2 is the outer diameter of the imaging lens 2.

The line diameter d of the sealing ring 4 satisfies the formula: (H/0.8) < d < (H/0.7), wherein H is the height of the groove body of the four-sided groove 5. The sealing ring 4 is circular before being extruded, the cross section is circular, and the diameter of the cross section circular is the line diameter d.

The line diameter d of the sealing ring 4 satisfies the formula:

[π*(H*H/4)+((D2-D1)/2-H)*H]<[π*(d*d/4)]<[(D2-D1)/2*H]；

The sealing structure of the carpet light meets the size calculation during design, ensures that the sealing ring 4 and four surfaces of the four-surface groove 5 form surface contact, forms good and reliable sealing, ensures that the carpet light is positioned at the position of the imaging lens 2, and can meet the dustproof and waterproof requirements of IP68.

In this embodiment, the bottom of the cover 3 is screwed to the side wall of the carpet light housing 1. The sealing cover 3 is in threaded connection with the carpet light housing 1, and is convenient and firm to install.

In this embodiment, a light-passing hole 32 for passing light is provided at the top of the cover 3. The light transmission hole 32 is formed in the top of the cover 3 to realize the whole light transmission.

In this embodiment, the sealing ring 4 is an O-type silica gel ring. The sealing effect of the O-shaped silica gel ring is good.

In this embodiment, the imaging lens 2 is the outermost lens of the carpet light. The imaging lens 2 is the lens at the outermost side of the carpet light, and the lens at the outermost side is directly arranged in the shell of the carpet light, so that parts are saved, and the product cost is reduced.

The above additional technical features can be freely combined and superimposed by a person skilled in the art without conflict.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A seal structure of carpet light, its characterized in that: including carpet lamp shell (1), imaging lens (2), closing cap (3), sealing washer (4), set up the cylinder groove that is used for holding imaging lens (2) in carpet lamp shell (1), the external diameter department of imaging lens (2) sets up and is used for placing recessed area (21) of sealing washer (4), closing cap (3) set up on carpet lamp shell (1), recessed area (21), medial surface (11) of carpet lamp shell (1), sealing surface (31) of closing cap (3) form four sides recess (5), four sides recess (5) four face formation face contact of sealing washer (4).

2. The carpet light sealing arrangement of claim 1, wherein: the center diameter D3 of the sealing ring (4) meets the formula: d3 = (d1+d2)/2, where D1 is the inner diameter of the imaging lens (2) and D2 is the outer diameter of the imaging lens (2).

3. The carpet light sealing arrangement of claim 1, wherein: the line diameter d of the sealing ring (4) meets the formula: (H/0.8) < d < (H/0.7), wherein H is the height of the groove body of the four-sided groove (5).

4. The carpet light sealing arrangement of claim 1, wherein: the line diameter d of the sealing ring (4) meets the formula:

[π*(H*H/4)+((D2-D1)/2-H)*H]<[π*(d*d/4)]<[(D2-D1)/2*H]；

wherein pi is the circumference ratio, D1 is the inner diameter of the imaging lens (2), D2 is the outer diameter of the imaging lens (2), and H is the height of the groove body of the four-sided groove (5).

5. The carpet light sealing arrangement of claim 1, wherein: the bottom of the sealing cover (3) is in threaded connection with the side wall of the carpet light shell (1).

6. The carpet light sealing arrangement of claim 1, wherein: the top of the sealing cover (3) is provided with a light-transmitting hole (32) for transmitting light.

7. The carpet light sealing arrangement of claim 1, wherein: the sealing ring (4) is an O-shaped silica gel ring.

8. The carpet light sealing arrangement of claim 1, wherein: the imaging lens (2) is the outermost lens of the carpet light.