Waterproof atmosphere lamp holder

By introducing the design of separation bosses, glue grooves and potting glue layers in the ambient light lamp head, combined with the circuit board limit structure, the problem of water leakage and seepage in the ambient light is solved, and efficient waterproof performance and simple assembly are achieved.

CN223375744UActive Publication Date: 2025-09-23E-LAN CAR COMPONENTS MFG PINGHU CO LTD
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Patent Information

Application Number
CN202422693885.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-09-23
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

Traditional atmosphere lights have problems with water leakage and seepage, which can lead to short circuits and cause quality risks.

Method used

The separation boss and glue groove structure in the lamp holder are combined with the potting glue layer to form an effective waterproof seal. The circuit board and the lamp holder are fixed by the raised limit to prevent shaking.

Benefits of technology

It achieves efficient waterproof performance, meets IP67, IP68 and other waterproof levels, avoids short circuit problems caused by leakage and seepage, and has a simple structure and is easy to operate.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223375744U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of automobile accessories, and discloses a waterproof atmosphere lamp cap which comprises a lamp holder, a circuit board arranged in the lamp holder and a lamp cover detachably connected with the lamp holder and used for packaging the circuit board in the lamp holder, a partition boss is arranged in an installation cavity of the lamp holder, a sealing cavity is defined by the inner wall of the partition boss, and the sealing cavity is communicated with the circuit board. A sealing cavity is formed in the lamp holder, a partition boss is arranged in the sealing cavity, a glue groove is formed between the outer wall of the partition boss and the inner wall of the lamp holder, the front face of the circuit board abuts against the top of the partition boss and completely covers the sealing cavity, electronic components of the circuit board are located in the sealing cavity, and a pouring sealant layer is arranged on the back face of the circuit board in a pouring mode and extends into the glue groove. Effective waterproof sealing is achieved through the pouring sealant layer, the lamp holder is provided with the separating boss, the sealant groove and other structures, and pouring sealant can be prevented from flowing into the sealing cavity.
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Description

Technical Field

[0001] The utility model relates to the field of auto parts, in particular to a waterproof atmosphere lamp holder. Background Art

[0002] Ambient lighting is becoming increasingly versatile and diverse in form. Its placement is no longer fixed to a few locations; it's now mostly found near instrument panels, air conditioning vents, door armrests, and onboard refrigerators. The requirements for waterproofing of ambient light heads are becoming increasingly stringent, but traditional ambient lights currently have the potential for leakage and seepage, leading to short circuits and quality issues. Utility Model Content

[0003] The purpose of the present invention is to provide a method for solving the problems mentioned above in the background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A waterproof atmosphere lamp head includes a lamp holder, a circuit board arranged in the lamp holder, and a lamp cover detachably connected to the lamp holder and encapsulating the circuit board in the lamp holder. A partition boss is provided in the installation cavity of the lamp holder, and the inner wall of the partition boss is surrounded to form a sealed cavity. A glue groove is formed between the outer wall of the partition boss and the inner wall of the lamp holder. The front of the circuit board is abutted against the top of the partition boss and completely covers the sealed cavity. The electronic components of the circuit board are located in the sealed cavity. A potting glue layer is poured on the back of the circuit board, and the potting glue layer extends into the glue groove.

[0006] Furthermore, the separation boss and the glue groove are U-shaped structures, and the open end of the separation boss is connected to the inner wall of the lamp holder.

[0007] Furthermore, the separation boss and the glue groove are annular structures.

[0008] Furthermore, protrusions are respectively provided on the left and right inner walls of the installation cavity of the lamp holder, and the left and right sides of the circuit board respectively abut against the protrusions on the same side of the installation cavity.

[0009] Furthermore, the installation cavity is a rectangular cavity structure.

[0010] Furthermore, the circuit board is a rectangular plate structure.

[0011] Furthermore, the lamp holder is snap-connected with the lamp cover.

[0012] Furthermore, one of the lamp holder and the lamp cover is provided with a bayonet, and the other is provided with a clamping foot that is engaged with the bayonet.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1) The utility model achieves effective waterproof sealing through the potting glue layer, and the lamp holder is provided with a separation boss, glue groove and other structures to prevent the potting glue from flowing into the sealing cavity;

[0015] 2) The circuit board of the present invention is matched with the mounting cavity of the lamp holder through the protrusions to prevent the circuit board from shaking. In addition, the limiting and assembly of the circuit board are simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the decomposition structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the lamp holder structure in the utility model.

[0018] Figure 3 This is one of the schematic diagrams of the lamp cover structure in this utility model.

[0019] Figure 4 This is the second schematic diagram of the lamp cover structure in this utility model.

[0020] In the figure: lamp holder 10, partition boss 11, sealing cavity 12, glue groove 13, protrusion 14, clamping foot 15, circuit board 20, potting glue layer 30, lamp cover 40, bayonet 41, protrusion 42, transparent lens 50. DETAILED DESCRIPTION

[0021] This utility model innovates the original lamp holder structure, making the new lamp holder have higher waterproof performance. It solves the quality problem caused by short circuit caused by water leakage and seepage in the atmosphere lamp. The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4A waterproof atmosphere lamp holder includes a lamp holder 10, a circuit board 20 arranged in the lamp holder 10, and a lamp cover 40 detachably connected to the lamp holder 10 and encapsulating the circuit board 20 in the lamp holder 10. The lamp holder 10 is a two-color injection molding structure. A partition boss 11 is provided in the installation cavity of the lamp holder 10. The inner wall of the partition boss 11 is surrounded to form a sealed cavity 12. A glue groove 13 is formed between the outer wall of the partition boss 11 and the inner wall of the lamp holder 10. The front of the circuit board 20 is against the top of the partition boss 11 and completely covers the sealed cavity 12. The electronic components of the circuit board 20 are located in the sealed cavity 12. A potting glue layer 30 is poured on the back of the circuit board 20. The potting glue layer 30 extends into the glue groove 13, wherein the glue groove 13 can prevent excess glue from flowing into the sealed cavity 12.

[0023] Continue reading Figure 1 and Figure 2 In one embodiment of the present invention, the separation boss 11 and the glue groove 13 are U-shaped structures, and the open end of the separation boss 11 is directly connected to the inner wall of the lamp holder 10, so that the sealed cavity 12 is separated from the glue groove 13.

[0024] In another embodiment of the present invention, the separation boss 11 and the glue groove 13 are annular structures, which can also separate the sealing cavity 12 from the glue groove 13 .

[0025] Continue reading Figure 1 and Figure 2 In one embodiment of the present invention, the mounting cavity of the lamp holder 10 is a rectangular cavity structure, the circuit board 20 is a rectangular plate structure, and protrusions 14 are respectively provided on the left and right inner walls of the mounting cavity. The left and right sides of the circuit board 20 respectively abut against the protrusions 14 on the same side of the mounting cavity, and a line connection or a surface connection is formed between the circuit board 20 and the protrusions 14, so that the circuit board 20 will not shake left and right.

[0026] Continue reading Figure 1-Figure 4 In one embodiment of the present invention, the lamp holder 10 is snap-fitted to the lamp cover 40 , wherein two bayonet holes 41 are respectively provided on the left and right sides of the lamp cover 40 , and two clamping feet 15 snap-fitted to the corresponding bayonet holes 41 are respectively provided on the left and right sides of the lamp holder 10 .

[0027] The specific assembly method of this utility model patented waterproof lamp holder during the assembly process is:

[0028] First, the protrusions 14 of the lamp holder 10 cooperate with the two sides of the circuit board 20 to clamp the circuit board 20 and prevent it from shaking.

[0029] Next, pour the potting glue slowly into the lamp holder 10 with the assembled circuit board 20. The excess potting glue will flow into the glue groove 13 to prevent it from flowing into the sealed cavity 12 and affecting the lighting effect. Wait for it to solidify slowly.

[0030] Finally, the lamp cover 40 is assembled with the lamp holder 10. The bayonet 41 of the lamp cover 40 is matched with the protrusion 14 of the lamp holder 10 in a one-to-one correspondence.

[0031] Above, the entire waterproof lamp head is assembled.

[0032] The advantages of the present invention are:

[0033] 1) This utility model is applicable to different vehicle body positions and different waterproof requirements, solving the problem of water leakage and seepage of ambient lights;

[0034] 2) This product meets IP67 and IP68 waterproof ratings. Compared to conventional sealing strips, this product is less susceptible to aging over time, is heat-resistant, and flame-retardant. It is also less susceptible to seal failure. At just 36 x 19 x 19 mm, it fits the space requirements of most vehicle models.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof atmosphere lamp head, comprising a lamp holder (10), a circuit board (20) disposed in the lamp holder (10), and a lamp cover (40) detachably connected to the lamp holder (10) and encapsulating the circuit board (20) in the lamp holder (10), characterized in that: A partition boss (11) is provided in the mounting cavity of the lamp holder (10), the inner wall of the partition boss (11) is arranged to form a sealed cavity (12), a glue groove (13) is formed between the outer wall of the partition boss (11) and the inner wall of the lamp holder (10), the front surface of the circuit board (20) abuts against the top of the partition boss (11) and completely covers the sealed cavity (12), the electronic components of the circuit board (20) are located in the sealed cavity (12), and a potting glue layer (30) is poured on the back surface of the circuit board (20), and the potting glue layer (30) extends into the glue groove (13).

2. The waterproof atmosphere lamp holder according to claim 1, characterized in that: The separating boss (11) and the glue groove (13) are U-shaped structures, and the open end of the separating boss (11) is connected to the inner wall of the lamp holder (10).

3. The waterproof atmosphere lamp holder according to claim 1, characterized in that: The separating boss (11) and the glue groove (13) are annular structures.

4. The waterproof atmosphere lamp holder according to claim 1, characterized in that: Protrusions (14) are respectively provided on the inner walls of the left and right sides of the installation cavity of the lamp holder (10), and the left and right sides of the circuit board (20) respectively abut against the protrusions (14) on the same side of the installation cavity.

5. The waterproof atmosphere lamp holder according to claim 1, characterized in that: The installation cavity is a rectangular cavity structure.

6. The waterproof atmosphere lamp holder according to claim 1, characterized in that: The circuit board (20) is a rectangular plate-shaped structure.

7. The waterproof atmosphere lamp holder according to claim 1, characterized in that: The lamp holder (10) is snap-connected with the lamp cover (40).

8. The waterproof atmosphere lamp holder according to claim 7, characterized in that: One of the lamp holder (10) and the lamp cover (40) is provided with a bayonet (41), and the other is provided with a clamping foot (15) clamped with the bayonet (41).