Waterproof lamp holder for tunnel lamp

By setting multiple sets of threaded grooves and through-hole structures on the waterproof housing of the tunnel light, the problems of inconvenient cable installation and water vapor infiltration are solved, achieving flexible installation and sealing of the wires and extending the service life of the light fixture.

CN223954081UActive Publication Date: 2026-02-27JIANGSU YAMING LIGHTING
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Patent Information

Application Number
CN202521225666.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-16
Publication Date
2026-02-27
Estimated Expiration
2035-06-16

AI Technical Summary

Technical Problem

The existing waterproof cable conduit for tunnel lights is prone to misalignment during installation, resulting in insufficient wire length and easy entry of moisture, which can cause short circuits and damage to the lights, increasing the maintenance burden.

Method used

Multiple sets of threaded grooves and through-hole structures are provided on the waterproof casing, including the casing, sealing ring, sealing plug, electrical conduit and rubber sheet. The threaded grooves provide multiple installation options, the electrical conduit is sealed to the casing, and the rubber sheet is used to widen the through hole and tighten the wire to prevent moisture from entering.

Benefits of technology

It improves the flexibility and sealing of wire installation, reduces wire bending, extends the life of lighting fixtures, and reduces maintenance frequency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223954081U_ABST
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Abstract

The utility model relates to the technical field of lamp holders, in particular to a waterproof lamp holder for a tunnel lamp, which comprises a waterproof shell, a lamp holder main body is mounted on the inner side of the waterproof shell, a connecting screw hole is formed in the bottom surface of the lamp holder main body, and a wire hole is formed in the top surface of the waterproof shell; a penetrating structure is installed on the waterproof shell, the penetrating structure comprises a shell body, the shell body is fixedly installed on the top face of the waterproof shell, and eight sets of threaded grooves are formed in the outer wall of the shell body. According to the utility model, the surface of the housing is provided with a plurality of groups of threaded grooves, so that more choices can be provided for the installation position of the wire tube on the outer side of the housing, the installation angle of the wire tube on the outer side of the housing is more flexible, the end part of the wire tube is provided with a rubber sheet, the wire can be inserted into the through hole, the through hole can be expanded and tightly hooped on the outer side of the wire, and the wire tube is more convenient to install. Relative sealing of the wire tube and the inner side of the shell can be maintained, and the use experience of the device is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lamp holder, specifically is a waterproof lamp holder for tunnel lamp. BACKGROUND

[0002] Tunnel lamp is for solving the "black hole effect" or "white hole effect" of visual produced when the vehicle drives into or drives out the tunnel, is the special lamp for tunnel lighting, because the existing tunnel lamp is often used in the humid environment such as tunnel, track, especially after rainy day, rainwater is detained in the tunnel, the extremely humid environment is easy to produce corrosion to tunnel lamp, leads to the circuit connected by the lamp holder inside tunnel lamp to produce damage, makes the service life of existing tunnel lamp not high.

[0003] For this, China application patent number: CN202021291658.X, discloses a kind of waterproof lamp holder for tunnel lamp, including waterproof shell and lamp holder inner shell made of waterproof material, the cavity that the inside of waterproof shell is shaped has with the shell profile matching of lamp holder inner shell, lamp holder inner shell is covered in the cavity of waterproof shell;The shell surface of waterproof shell is equipped with cable tube, the cable hole of more than three of lamp holder inner shell is communicated in cable tube, the inside wall of lamp holder inner shell is equipped with the screw thread for fixing tunnel lamp.The utility model structure is simple, lamp holder inner shell is covered in waterproof shell, waterproof shell selects high-strength, dustproof waterproof, corrosion-resistant material, fog and water vapor in environment are difficult to penetrate to lamp holder inner shell through waterproof shell, make the lamp bead in lamp holder can long-term stable work in humid, high-temperature environment.And, waterproof shell and lamp holder inner shell have good electromagnetic compatibility, do not cause interference to power transmission network.

[0004] The device can conveniently pass the wire into the waterproof shell and be inserted into the cable hole by setting the cable tube on the waterproof shell, but the angle of the cable tube outside the waterproof shell is fixed, and if the wire position is misaligned during installation, a section of wire needs to be wound out, which can easily lead to insufficient wire length, and water vapor can also easily enter the waterproof shell through the cable tube, which can easily cause the lighting lamp to be short-circuited and damaged, increasing the maintenance burden of workers.

[0005] Therefore, in order to solve the above problems, a waterproof lamp holder for tunnel lamp is provided. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose at providing a kind of waterproof lamp holder for tunnel lamp, to solve the device in prior art mentioned in above background art, by setting cable tube on waterproof shell, electric wire can be conveniently threaded into waterproof shell, and be inserted into cable hole, but the angle of cable tube is fixed outside waterproof shell, when installing, if encountering misalignment of threading position, it needs to wind a section of electric wire, it is prone to cause that electric wire length is not enough, while water vapor is also prone to enter into waterproof shell via cable tube, prone to cause that lighting lamp short-circuit damages, increase the maintenance burden of staff.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of waterproof lamp holder for tunnel lamp, comprising: waterproof shell, the inside of the waterproof shell is equipped with lamp holder main body, the bottom surface of the lamp holder main body is provided with connecting screw hole, the top surface of the waterproof shell is equipped with electric wire hole;

[0008] The waterproof shell is equipped with threading structure, and the threading structure includes shell, the shell is fixedly installed on the top surface of waterproof shell, eight groups of thread grooves are formed in the outer wall of the shell, the inside of the thread groove is equipped with sealing ring, seven groups of the inside of the thread groove are threadedly connected with sealing plug, the inside of the thread groove of another group is threadedly connected with electric wire tube, the inside of the electric wire tube is bonded with rubber sheet, the surface of the rubber sheet is equipped with through-hole, and the top surface of the shell is threadedly connected with top cover.

[0009] Preferably, eight groups of the thread grooves are evenly distributed on the outer wall of the shell.

[0010] Preferably, the thread groove pad is between the sealing plug, the electric wire tube and the inner wall of the thread groove.

[0011] Preferably, the electric wire tube is communicated with the inside of the thread groove.

[0012] Preferably, the inner diameter of the through-hole is less than the diameter of the electric wire.

[0013] Preferably, the top cover is provided with sealing pad on the bonding surface of the shell.

[0014] Compared with prior art, the utility model has the beneficial effects that: the utility model is provided with multiple thread grooves on the surface of the shell, which provides more choices for the installation position of the electric wire tube outside the shell, makes the installation angle of the electric wire tube outside the shell more flexible, and the end of the electric wire tube is provided with a rubber sheet, the electric wire can be inserted into the through-hole, the through-hole can be expanded and tightly clamped on the outside of the electric wire, which can keep the inside of the electric wire tube and the shell relatively sealed, and prolong the use experience of the device.

[0015] The utility model discloses a set up the structure of wearing, unscrew the top cap to expose the inside of shell, according to the laying position of electric wire, select the group of sealing plug closest to electric wire of shell surface, and unscrew the group of sealing plug, make the inside of screw groove expose, can reduce the winding of electric wire, reduce waste, then the one end of electric wire tube far from rubber sheet is screwed into the inside of screw groove, and electric wire tube can abut the sealing ring in the inside of screw groove, can make the sealed connection between electric wire tube and shell, and the electric wire is inserted in the through -hole, and rubber sheet can be deformed, and the electric wire can open the through -hole, and make the through -hole tighten on the surface of electric wire, can avoid the steam into the inside of electric wire tube, to prolong the service life of the light, and the electric wire is worn in the inside of electric wire tube, and the end of electric wire is worn in the electric wire hole, and can be connected with the connecting screw hole, and the light is installed in the inside of connecting screw hole, and can complete the assembly, and finally the top cap is screwed on the top of shell, and the upper end of shell can be sealed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure of the utility model's front view schematic diagram;

[0017] Figure 2 It is the structure of the utility model's bottom view schematic diagram;

[0018] Figure 3 It is the structure of the utility model's explosion schematic diagram;

[0019] Figure 4 It is the structure of the utility model's front view cross section schematic diagram.

[0020] In the drawing: 1, waterproof shell;11, lamp holder main body;12, connecting screw hole;13, electric wire hole;2, wearing structure;21, shell;22, screw groove;23, sealing ring;24, sealing plug;25, electric wire tube;26, rubber sheet;27, through -hole;28, top cap. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of waterproof lamp holder for tunnel lamp embodiment:

[0023] The waterproof shell 1, the lamp holder body 11, the connecting screw hole 12 and the wire hole 13 used in the present application are products that can be directly purchased on the market, and their principles and connection modes are all prior art known to those skilled in the art, so they will not be described here.

[0024] A waterproof lamp holder for a tunnel lamp, comprising: a waterproof shell 1, a lamp holder body 11 is mounted on the inner side of the waterproof shell 1, a connecting screw hole 12 is arranged on the bottom surface of the lamp holder body 11, and a wire hole 13 is formed on the top surface of the waterproof shell 1;

[0025] A penetrating structure 2 is mounted on the waterproof shell 1, the penetrating structure 2 comprises a shell 21, the shell 21 is fixedly mounted on the top surface of the waterproof shell 1, eight groups of thread grooves 22 are formed on the outer wall of the shell 21, a sealing ring 23 is mounted on the inner side of each thread groove 22, a sealing plug 24 is threadedly connected to the inner side of seven groups of thread grooves 22, a wire tube 25 is threadedly connected to the inner side of the other group of thread grooves 22, a rubber sheet 26 is bonded to the inner side of the wire tube 25, a through hole 27 is formed on the surface of the rubber sheet 26, and a top cover 28 is threadedly connected to the top surface of the shell 21. By forming multiple groups of thread grooves 22 on the surface of the shell 21, more choices are provided for the installation position of the wire tube 25 outside the shell 21, so that the installation angle of the wire tube 25 outside the shell 21 is more flexible. In addition, the end of the wire tube 25 is provided with a rubber sheet 26, the wire can be inserted into the through hole 27, the through hole 27 can be expanded and tightly clamped on the outer side of the wire, so as to keep the inner side of the wire tube 25 and the shell 21 relatively sealed, thereby prolonging the use experience of the device.

[0026] Further, the eight groups of thread grooves 22 are uniformly distributed on the outer wall of the shell 21, and the arrangement of the eight groups of thread grooves 22 provides more choices for the penetrating position of the wire outside the shell 21, which can be suitable for wiring requirements in various scenes.

[0027] Further, the thread grooves 22 are arranged between the sealing plug 24 and the wire tube 25 and the inner wall of the thread grooves 22, which can ensure the sealing between the sealing plug 24 and the wire tube 25 and the inner wall of the thread grooves 22, thereby preventing water vapor from penetrating.

[0028] Further, the wire tube 25 is in communication with the inside of the thread grooves 22, the wire can be penetrated into the thread grooves 22 from the wire tube 25, and the wire tube 25 can protect the wire outside.

[0029] Further, the inner diameter of the through hole 27 is smaller than the diameter of the wire, the wire can pass through the rubber sheet 26 through the through hole 27, and the through hole 27 can be tightly clamped on the outer wall of the wire under the elastic action of the rubber sheet 26.

[0030] Further, a sealing gasket is arranged on the abutting surface between the top cover 28 and the shell 21, which can ensure the sealing between the top cover 28 and the shell 21, thereby preventing water vapor from entering.

[0031] Working principle: when installing, first unscrew the top cover 28 to expose the inside of the shell 21, according to the laying position of the wire, select the group of sealing plugs 24 closest to the wire on the surface of the shell 21, and unscrew the group of sealing plugs 24 to expose the inside of the threaded groove 22, which can reduce the bending of the wire and reduce waste, then screw the wire tube 25 away from the rubber sheet 26 into the inside of the threaded groove 22, the wire tube 25 will abut against the sealing ring 23 inside the threaded groove 22, which can seal the connection between the wire tube 25 and the shell 21, insert the wire into the through hole 27, the rubber sheet 26 can be deformed, the wire can expand the through hole 27, the through hole 27 can be tightly clamped on the surface of the wire, which can prevent water vapor from entering the inside of the wire tube 25, thereby prolonging the service life of the illuminating lamp, threading the wire through the inside of the wire tube 25, so that the end of the wire is located inside the shell 21, threading the end of the wire through the wire hole 13, connecting with the connecting screw hole 12, installing the illuminating lamp inside the connecting screw hole 12, and finally screwing the top cover 28 on the top surface of the shell 21, which can seal the upper end of the shell 21.

[0032] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any person skilled in the art can easily implement the present application according to the above description and the drawings; however, any equivalent changes, modifications and evolution of the above disclosed technical content within the scope of the technical scheme of the present application are also equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A waterproof lamp holder for a tunnel lamp, comprising: The utility model provides a waterproof shell (1), the inside of waterproof shell (1) is equipped with lamp holder body (11), the bottom surface of lamp holder body (11) is provided with connecting screw hole (12), the top surface of waterproof shell (1) is equipped with wire hole (13); Its characterized in that: The waterproof shell (1) is equipped with the structure (2) of wearing, the structure (2) of wearing includes the casing (21), the casing (21) is fixedly installed on the top surface of waterproof shell (1), eight sets of thread grooves (22) are set up on the outer wall of casing (21), the inner side of thread groove (22) is equipped with sealing ring (23), seven sets of thread groove (22) are connected with sealing plug (24) in the inside screw thread, the inner side of another set of thread groove (22) is connected with the wire tube (25) in the inside screw thread, the inside inner side of wire tube (25) is bonded with rubber sheet (26), the surface of rubber sheet (26) is equipped with through -hole (27), the top surface of casing (21) is connected with top cover (28) in the inside screw thread.

2. A waterproof socket for a tunnel lamp according to claim 1, characterized in that: Eight sets of thread grooves (22) are evenly distributed on the outer wall of casing (21) in circumference.

3. A waterproof socket for a tunnel lamp according to claim 1, characterized in that: The thread groove (22) pad between sealing plug (24) and wire tube (25) and thread groove (22) inner wall.

4. A waterproof socket for a tunnel lamp according to claim 1, characterized in that: The wire tube (25) is communicated with the inside of thread groove (22).

5. A waterproof socket for a tunnel lamp according to claim 1, characterized in that: The inner diameter of through -hole (27) is less than the diameter of wire.

6. A waterproof socket for a tunnel lamp according to claim 1, characterized in that: The sealing pad is set up on the bonding surface of top cover (28) and casing (21).

Citation Information

Patent Citations

  • Waterproof lamp holder for tunnel lamp

    CN212537783U