Subway cable joint protection hardware
Through the combined design of the lower protective case and the upper protective case, combined with rubber pads and arc-shaped positioning blocks, the problem of insufficient protection of traditional subway cable joint protection measures in complex environments is solved, and the stability and safety of cable joints are improved, which extends the service life and simplifies installation and maintenance.
Patent Information
- Application Number
- CN202422169598.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-09-05
AI Technical Summary
Traditional subway cable joint protection measures have poor protection effects in high humidity, dust and vibration environments, which are prone to aging and failure, increasing maintenance costs and threatening system safety.
The combination design of the lower protective case and the upper protective case is combined with rubber pads, arc-shaped positioning blocks and pressure plates, and is tightened by fixing screws to form a closed structure to adapt to different cable specifications and prevent water, dust and corrosive substances from being invaded.
Improve the stability and safety of cable connectors in complex environments, extend service life, simplify installation process, facilitate maintenance, and is suitable for environments with limited space.
Smart Images

Figure CN223309568U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of subway cable protection, in particular to a subway cable joint protection hardware. Background Art
[0002] In subway systems, cable connectors are a critical link in power transmission, and their quality directly impacts the safety and stability of the entire system. Traditional cable connector protection measures, such as simple casings or tape wrapping, often struggle to withstand the high humidity, dust, corrosive gases, and intense vibrations caused by train operation in subway environments. They suffer from poor protection, weak waterproofing and moisture resistance, inconvenient installation and maintenance, and susceptibility to aging and failure over time. These limitations not only increase maintenance costs but also threaten the operational safety of the entire system. Therefore, we propose a subway cable connector protection hardware. Utility Model Content
[0003] The main purpose of the utility model is to provide a subway cable joint protection hardware, which can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A subway cable connector protective hardware component, comprising a lower protective shell and an upper protective shell, wherein slide rails are fixedly connected to the left and right sides of the upper end of the lower protective shell, and the upper protective shell is slidably connected to the upper end of the lower protective shell via the slide rails on both sides, wherein the upper ends of the slide rails are evenly spaced with a plurality of screw holes, and the upper end of the upper protective shell is interspersed with fixing screws having the same number and corresponding positions as the screw holes, and positioning assemblies are detachably installed on the front and rear sides of the upper end of the lower protective shell, and both positioning assemblies are located within the upper protective shell;
[0006] The left and right sides of the lower end of the upper protective shell are integrally formed with connecting edges, the lower end of the connecting edge is provided with a slide groove for use with the slide rail, and the upper end of the connecting edge is provided with connecting holes equal in number to the screw holes and corresponding in position. The fixing screws pass through the connecting holes and are threaded in the screw holes to fix the upper protective shell to the upper end of the lower protective shell.
[0007] Preferably, a lower arc-shaped groove is provided in the middle of the upper end of the lower protective shell, and the lower arc-shaped groove corresponds to the position of the positioning component, and a rubber pad is fixedly connected to the inner surface of the lower arc-shaped groove.
[0008] By adopting the above technical solution, the protection effect of the cable can be improved, the stability and safety of the cable in complex environments can be ensured, and poor contact or damage caused by vibration or external force can be avoided.
[0009] Preferably, both front and rear ends of the upper protective shell are provided with upper arc-shaped grooves communicating with the interior of the upper protective shell, and the position of the upper arc-shaped groove corresponds to the position of the lower arc-shaped groove.
[0010] By adopting the above technical solution, the cable can be inserted and installed between the lower protective shell and the upper protective shell.
[0011] Preferably, the positioning assembly includes an arc-shaped positioning block, and mounting blocks are integrally formed on the left and right sides of the arc-shaped positioning block. A clamping block is fixedly connected to the middle part of the lower end of the mounting block. Two adjusting screws are inserted and connected to the outer surface of the arc-shaped positioning block, and the adjusting screws are threadedly connected to the arc-shaped positioning block. The lower end of the adjusting screw is movably connected to a pressure plate.
[0012] By adopting the above technical solution: by adjusting the position of the pressure plate, it is possible to flexibly cope with changes in the diameters of various cables, ensuring that each cable can be properly fixed and protected, and is suitable for cables of different specifications.
[0013] Preferably, a plurality of anti-slip convex strips are evenly arranged on the end surface of the pressure plate away from the adjusting screw.
[0014] By adopting the above technical solution, the fixing effect of the pressure plate on the cable is improved, thereby achieving the purpose of effectively fixing the cable joint.
[0015] Preferably, both left and right sides of the upper end of the lower protective shell are provided with card slots for use with the card block, and the card block is engaged in the card slot to fix the mounting block to the upper end of the lower protective shell.
[0016] By adopting the above technical solution: through the quick connection of the card block and the card slot, the installation process is greatly simplified, and daily inspection and maintenance work are convenient.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] 1. The combined design of the rubber pad in the lower arc groove and the arc-shaped positioning block and the pressure plate can not only effectively fix the cable connector, ensuring its stability and safety in complex environments and avoiding poor contact or damage caused by vibration or external force, but also flexibly respond to changes in cable diameters by adjusting the position of the pressure plate, ensuring that each cable can be properly fixed and protected, and is suitable for cables of different specifications.
[0019] 2. The coordinated use of the lower protective shell and the upper protective shell, coupled with the tightening of the fixing screws, forms a closed protective structure, which can effectively prevent external factors such as water, dust, and corrosive substances from invading the cable connector and extend the service life of the cable. The entire hardware is exquisitely designed and occupies little space, making it particularly suitable for use in environments with limited space such as subways, without affecting the layout and operation of other equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the overall structure of a subway cable connector protection hardware according to the present invention;
[0021] Figure 2 This is a schematic diagram of the structure of a subway cable connector protection hardware according to the present invention;
[0022] Figure 3 This is a structural diagram of an upper protective shell for subway cable connector protection hardware of the utility model;
[0023] Figure 4 The utility model is a structural schematic diagram of a positioning assembly of a subway cable joint protection hardware.
[0024] In the figure: 1. Lower protective shell; 11. Lower arc groove; 12. Rubber pad; 2. Upper protective shell; 21. Upper arc groove; 3. Fixing screw; 4. Clamping slot; 5. Positioning assembly; 51. Arc positioning block; 52. Mounting block; 53. Clamping block; 54. Adjusting screw; 55. Pressing plate; 551. Anti-slip ridge; 6. Slide rail; 7. Screw hole; 8. Connecting edge; 9. Slide groove; 10. Connecting hole. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0027] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0028] See also Figure 1-4 , the utility model provides a technical solution:
[0029] A subway cable joint protection hardware includes a lower protective shell 1 and an upper protective shell 2. The left and right sides of the upper end of the lower protective shell 1 are fixedly connected to slide rails 6. The upper protective shell 2 is slidably connected to the upper end of the lower protective shell 1 through the slide rails 6 on both sides. The upper ends of the slide rails 6 are evenly spaced with multiple screw holes 7. The upper end of the upper protective shell 2 is penetrated by fixing screws 3 whose number is equal to and whose positions correspond to the screw holes 7. Positioning components 5 are detachably installed on the front and rear sides of the upper end of the lower protective shell 1, and the two positioning components 5 are both located in the upper protective shell 2.
[0030] In this embodiment, connecting edges 8 are integrally formed on the left and right sides of the lower end of the upper protective shell 2, and the lower end of the connecting edge 8 is provided with a slide groove 9 for use with the slide rail 6, and the upper end of the connecting edge 8 is provided with connecting holes 10 equal in number and corresponding in position to the screw holes 7. The fixing screws 3 pass through the connecting holes 10 and are threadedly connected in the screw holes 7 to fix the upper protective shell 2 to the upper end of the lower protective shell 1; a lower arc groove 11 is provided in the middle part of the upper end of the lower protective shell 1, and the lower arc groove 11 corresponds to the position of the positioning component 5, and a rubber pad 12 is fixedly connected to the inner surface of the lower arc groove 11; the front and rear ends of the upper protective shell 2 are provided with upper arc grooves 21 that communicate with the interior of the upper protective shell 2, and the position of the upper arc groove 21 corresponds to the position of the lower arc groove 11;.
[0031] Through the above solution: the coordinated use of the lower protective shell 1 and the upper protective shell 2, plus the fastening of the fixing screws 3, can form a closed protective structure, which can effectively prevent external factors such as water, dust, and corrosive substances from invading the cable connector and extend the service life of the cable.
[0032] In this embodiment, the positioning assembly 5 includes an arc-shaped positioning block 51, and mounting blocks 52 are integrally formed on the left and right sides of the arc-shaped positioning block 51. A clamping block 53 is fixedly connected to the middle of the lower end of the mounting block 52. Two adjusting screws 54 are inserted and connected to the outer surface of the arc-shaped positioning block 51, and the adjusting screws 54 are threadedly connected to the arc-shaped positioning block 51. The lower end of the adjusting screw 54 is movably connected to a pressure plate 55; the end surface of the pressure plate 55 away from the adjusting screw 54 is evenly provided with a number of anti-slip ridges 551; the left and right sides of the upper end of the lower protective shell 1 are provided with a card slot 4 for use with the card block 53, and the card block 53 is clamped in the card slot 4 to fix the mounting block 52 to the upper end of the lower protective shell 1;.
[0033] Through the above scheme: the pressure plate 55 is pushed downward by adjusting the screw 54 and the arc-shaped positioning block 51 through threaded connection, and the pressure plate 55 is pressed against the cable to firmly fix it in the lower arc-shaped groove 11 and the arc-shaped positioning block 51. The same method is used to make the two positioning components 5 respectively press and fix the cables at both ends. It can not only effectively fix the cable connector, ensure its stability and safety in complex environments, avoid poor contact or damage due to vibration or external force, but also flexibly respond to changes in various cable diameters, ensure that each cable can be properly fixed and protected, and is suitable for cables of different specifications.
[0034] It should be noted that the present invention is a subway cable connector protection hardware. During use, first place the cables at both ends on the front and rear sides of the rubber pad 12 in the lower arc groove 11, and then dock them. After docking, the arc positioning block 51 is fixedly installed on the upper end of the lower protective shell 1 by engaging the clamping block 53 with the clamping slot 4. Then, the adjusting screw 54 is rotated, and the pressure plate 55 is pushed downward by the threaded connection between the adjusting screw 54 and the arc positioning block 51. The pressure plate 55 is pressed against the cable to firmly fix it in the lower arc groove 11 and the arc positioning block 51. , the same method is used to make the two positioning components 5 respectively compress and fix the cables at both ends, and then the upper protective shell 2 is slidably installed on the upper end of the lower protective shell 1 through the sliding groove 9 and the sliding rail 6, and then the fixing screws 3 are passed through the connecting holes 10 and the corresponding screw holes 7 to thread the upper protective shell 2 and the lower protective shell 1. The lower protective shell 1 and the upper protective shell 2 cooperate with each other to protect the internal cables. The entire hardware is exquisitely designed and occupies a small space. It is especially suitable for use in environments with limited space such as subways, and does not affect the layout and operation of other equipment.
[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A subway cable connector protective hardware, comprising a lower protective shell (1) and an upper protective shell (2), characterized in that: The left and right sides of the upper end of the lower protective shell (1) are fixedly connected with slide rails (6), and the upper protective shell (2) is slidably connected to the upper end of the lower protective shell (1) through the slide rails (6) on both sides. The upper ends of the slide rails (6) are evenly spaced with a plurality of screw holes (7), and the upper end of the upper protective shell (2) is interspersed with fixing screws (3) with the same number and corresponding positions as the screw holes (7). The front and rear sides of the upper end of the lower protective shell (1) can be detachably installed with positioning components (5), and the two positioning components (5) are both located in the upper protective shell (2); The lower end of the upper protective shell (2) is integrally formed with a connecting edge (8) on both the left and right sides. The lower end of the connecting edge (8) is provided with a slide groove (9) used in conjunction with the slide rail (6). The upper end of the connecting edge (8) is provided with connecting holes (10) equal in number to the screw holes (7) and corresponding in position. The fixing screws (3) pass through the connecting holes (10) and are threadedly connected in the screw holes (7) to fix the upper protective shell (2) on the upper end of the lower protective shell (1).
2. The subway cable joint protection hardware according to claim 1, characterized in that: A lower arc groove (11) is provided in the middle of the upper end of the lower protective shell (1), and the lower arc groove (11) corresponds to the position of the positioning component (5), and a rubber pad (12) is fixedly connected to the inner surface of the lower arc groove (11).
3. The subway cable joint protection hardware according to claim 1, characterized in that: Both front and rear ends of the upper protective shell (2) are provided with upper arc-shaped grooves (21) communicating with the interior of the upper protective shell (2), and the position of the upper arc-shaped groove (21) corresponds to the position of the lower arc-shaped groove (11).
4. The subway cable joint protection hardware according to claim 1, characterized in that: The positioning assembly (5) comprises an arc-shaped positioning block (51), and mounting blocks (52) are integrally formed on both the left and right sides of the arc-shaped positioning block (51), and a clamping block (53) is fixedly connected to the middle of the lower end of the mounting block (52). Two adjusting screws (54) are inserted and connected to the outer surface of the arc-shaped positioning block (51), and the adjusting screws (54) are threadedly connected to the arc-shaped positioning block (51), and the lower end of the adjusting screw (54) is movably connected to a pressure plate (55).
5. The subway cable joint protection hardware according to claim 4, characterized in that: The end surface of the pressing plate (55) away from the adjusting screw (54) is evenly provided with a plurality of anti-slip convex strips (551).
6. The subway cable joint protection hardware according to claim 4, characterized in that: The left and right sides of the upper end of the lower protective shell (1) are both provided with card slots (4) for use with the card block (53); the card block (53) is engaged in the card slots (4) to fix the mounting block (52) to the upper end of the lower protective shell (1).