Quick disassembly type highway tunnel lighting cable joint
By using a quick-release design for the moving components and a double-fixing mechanism with a limiting ball, the problem of unstable connection of existing highway tunnel lighting cable joints under vibration and temperature changes is solved, thus improving the stability and safety of the cable joints.
Patent Information
- Application Number
- CN202422477336.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-14
AI Technical Summary
Existing highway tunnel lighting cable joints are prone to loosening under vibration and temperature changes, leading to unstable connections, risks of detachment and electrical faults, and plug-in joints are prone to poor contact.
It adopts a quick-disassembly design, which achieves double fixation of the plug and socket through the cooperation of moving components and limiting balls. The spring and threaded connection ensures the stability of the connection and reduces loosening caused by external vibration and temperature changes.
It improves the stability and reliability of cable joints, reduces safety hazards such as detachment and short circuits, and ensures the normal operation and safety of cables during use.
Smart Images

Figure CN223527516U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of highway tunnel lighting cable, especially a quick disassembly type highway tunnel lighting cable joint. BACKGROUND
[0002] Highway tunnel lighting cable is a cable specially used for lighting system in highway tunnel. Its main function is to transmit power to lighting devices in the tunnel to ensure sufficient illumination in the tunnel at night or in low visibility conditions, ensuring traffic safety. Through these cables, the normal operation of lighting and other systems in the tunnel is ensured, providing clear vision for drivers and improving driving safety. In the highway tunnel lighting system, the reliability of cable joints is crucial. The existing cable joint methods usually use screw connection or plug-in design, but these methods have some shortcomings in practical application.
[0003] Firstly, although the screw connection method has certain fastening, the screw may loosen due to vibration, temperature change and humidity in the tunnel environment, which reduces the firmness of the cable joint and increases the risk of falling off. This situation not only affects the normal operation of the lighting system, but also may cause safety hazards, bringing potential danger to passing vehicles. Secondly, although the plug-in joint is convenient during frequent maintenance, it is not tight enough in some cases, which may cause poor contact and further cause problems such as cable overheating or short circuit. Therefore, the existing joint method has shortcomings in firmness and reliability, which needs to be improved to ensure the safety and stability of the highway tunnel lighting cable joint.
[0004] The utility model aims at providing a quick disassembly type highway tunnel lighting cable joint to solve the problems raised in the background art. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a quick disassembly type highway tunnel lighting cable joint to solve the problems raised in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a quick disassembly type highway tunnel lighting cable joint, comprising a plug-in seat and a plug-in seat, the plug-in seat outside is provided with the motion assembly for and the plug-in seat fixed,
[0007] The motion assembly comprises a connecting plate, the connecting plate is provided with a sliding plate on the side facing the plug-in seat, a mounting groove is provided between the sliding plate and the connecting plate, a spring is provided in the mounting groove, one end of the spring is connected with a sliding block, and the other end is connected with the mounting groove, a sliding block is sleeved on the outside of the plug-in seat, and the sliding plate is connected with the sliding block, a plurality of sliding grooves are formed around the plug-in seat.
[0008] Further, the sliding groove is slidably connected with a limiting ball, and a movement groove is formed in the sliding plate.
[0009] Further, the sliding groove is slidably connected with a mounting block, a limiting plate is fixedly installed at the sliding groove opening, one end of a connecting rod connected with the mounting block is located at the side of the sliding groove opening, and the other end of the connecting rod is connected with a connecting cylinder.
[0010] Further, the diameter of the connecting column is smaller than the caliber of the limiting plate, and the connecting cylinder is provided with a thread.
[0011] Further, the outside of the socket seat is provided with a limiting ring for the limiting ball to enter.
[0012] Further, the end of the socket seat is connected with a thread ring for thread connection with the connecting cylinder.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The utility model discloses a fixing device for cable connector, which comprises a plug seat, a socket seat, a sliding plate, a spring, a limiting ball and a connecting column, wherein the plug seat is connected with the socket seat through the sliding plate, the spring is arranged between the sliding plate and the socket seat, the limiting ball is arranged in the socket seat, and the connecting column is arranged in the sliding plate. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0016] Fig. 1 It is a structural schematic diagram of the utility model;
[0017] Fig. 2 It is the structure schematic view of connecting cylinder in the utility model;
[0018] Fig. 3 It is the section structure schematic view of plug base in the utility model;
[0019] Fig. 4 It is the structure schematic view of spring in the utility model.
[0020] Explanation of reference signs:
[0021] In the drawing:
[0022] 1, sliding plate; 2, threaded ring; 3, connecting cylinder; 4, plug base; 5, plug-in seat; 6, limiting ring; 7, limiting ball; 8, connecting column; 9, sliding groove; 10, mounting block; 11, movement groove; 12, connecting rod; 13, limiting plate; 14, sliding block; 15, spring; 16, connecting plate; 17, mounting groove. Specific implementation
[0023] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.
[0024] Unless the direction indicated by the single definition, the directions such as up, down, left, right, front, back, inside and outside involved in this paper are based on the directions such as up, down, left, right, front, back, inside and outside in the drawing shown by the utility model, which is explained here.
[0025] The connection mode can adopt existing modes such as bonding, welding, bolt connection, etc., according to actual needs.
[0026] Please refer to Figs. 1 to 4 As shown in the figure, a quick disassembly type highway tunnel lighting cable joint, comprising a plug base 4 and a plug-in seat 5, the plug base 4 outside is provided with a movement assembly for fixing with the plug-in seat 5;
[0027] The motion assembly comprises a connecting plate 16, a sliding plate 1 arranged on one side of the connecting plate 16 towards the socket seat 5, a mounting groove 17 arranged between the sliding plate 1 and the connecting plate 16, a spring 15 arranged in the mounting groove 17, one end of the spring 15 connected with a sliding block 14, the spring 15 used for resetting the sliding plate 1, the other end of the spring 15 connected with the mounting groove 17, the sliding block 14 sleeved outside the plug seat 4, the sliding plate 1 connected with the sliding block 14, a plurality of sliding grooves 9 arranged around the socket seat 5, a limiting ball 7 slidingly connected in each sliding groove 9, it is to be noted that the caliber of the sliding groove 9 is gradually reduced from top to bottom, so the limiting ball 7 will only leak out of a part of the limiting groove 9 and will not fall out of the sliding groove 9, and a motion groove 11 is arranged in the sliding plate 1.
[0028] A mounting block 10 is slidingly connected in the sliding groove 9, a limiting plate 13 is fixedly arranged at the groove opening of the sliding groove 9 and used for preventing the mounting block 10 from sliding out of the sliding groove 9, one end of a connecting rod 12 connected with the mounting block 10 towards the outside of the groove opening of the sliding groove 9, the other end of the connecting rod 12 connected with a connecting cylinder 3, the connecting cylinder 3 drives the connecting column 8 to rotate in the motion groove 11, the diameter of the connecting column 8 is smaller than the caliber of the limiting plate 13, the connecting cylinder 3 is provided with a thread, the socket seat 5 is provided with a limiting ring 6 used for the limiting ball 7 to enter, and the socket seat 5 is connected with a threaded ring 2 used for threadedly connecting with the connecting cylinder 3.
[0029] Working principle: the sliding plate 1 is pushed backward, the sliding plate 1 drives the sliding block 14 to move backward, the spring 15 is driven to move in the mounting groove 17, the spring 15 is compressed, the spring 15 moves towards the connecting plate 16, the limiting ball 7 slides into the bottom of the sliding groove 9, then the plug seat 4 is inserted into the socket seat 5, the threaded ring 2 outside the socket seat 5 is in contact with the limiting ball 7, the limiting ball 7 is lifted up, then the plug seat 4 is continuously inserted upwards, the limiting ball 7 enters the limiting ring 6, then the sliding plate 1 is released, the spring 15 restores the deformation, the sliding block 14 moves to the sliding groove 9, so as to form the first fixation of the plug seat 4 and the socket seat 5.
[0030] Then the connecting cylinder 3 is rotated, the connecting cylinder 3 drives the connecting column 8 to rotate, the mounting block 10 rotates in the motion groove 11, the connecting cylinder 3 is connected with the threaded ring 2 and rotates, the mounting block 10 moves forward, the mounting block 10 will not slide out of the motion groove 11 due to the existence of the limiting plate 13, so as to form the second fixation.
[0031] It has to be noted that, in the present document, the terms "comprising", "including", and "having" should be interpreted as specifying the presence of the stated features but not precluding the presence of one or more other features. It should also be noted that, in the present document, the term "or" should be interpreted as the logical or, i.e. requiring at least one of the presented options to be true.
[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.
Claims
1. A quick disconnect highway tunnel lighting cable joint comprising a plug housing (4) and a socket housing (5), characterized in that: The plug seat (4) is externally provided with a movement assembly for fixing with the socket seat (5); The movement assembly comprises a connecting plate (16), one side of the connecting plate (16) towards the socket seat (5) is provided with a sliding plate (1), a mounting groove (17) is arranged between the sliding plate (1) and the connecting plate (16), a spring (15) is arranged in the mounting groove (17), one end of the spring (15) is connected with a sliding block (14), the other end of the spring (15) is connected with the mounting groove (17), the plug seat (4) is sleeved with the sliding block (14), and the sliding plate (1) is connected with the sliding block (14), a plurality of sliding grooves (9) are formed in the socket seat (5).
2. A quick disconnect highway tunnel lighting cable splice according to claim 1, characterized in that: A limiting ball (7) is slidably connected in each of the sliding grooves (9), and a movement groove (11) is formed in the sliding plate (1).
3. A quick disconnect highway tunnel lighting cable splice according to claim 2, characterized in that: An installation block (10) is slidably connected in the sliding groove (9), a limiting plate (13) is fixedly installed at the opening of the sliding groove (9) and used for preventing the installation block (10) from sliding out of the sliding groove (9), one side of the installation block (10) towards the opening of the sliding groove (9) is connected with one end of a connecting rod (12), and the other end of the connecting rod (12) is connected with a connecting barrel (3).
4. A quick disconnect highway tunnel lighting cable splice according to claim 3, wherein: The diameter of the connecting column (8) is smaller than the caliber of the limiting plate (13), and the connecting barrel (3) is provided with a thread.
5. A quick disconnect highway tunnel lighting cable splice according to claim 2, wherein: The socket seat (5) is externally provided with a limiting ring (6) for the limiting ball (7) to enter.
6. A quick disconnect motorway tunnel lighting cable joint according to claim 3 or 4, characterised in that: The socket seat (5) is connected with a threaded ring (2) for threadedly connecting with the connecting barrel (3).