A weak current wire bridge structure

Abstract

The utility model relates to the technical field of cable bridges, and discloses a weak current wire bridge structure, including a bridge box, wherein the left and right ends of the bridge box are provided with a plurality of wire threading holes, the inner walls of the left and right sides of the front and rear ends of the bridge box are fixedly connected with fixing rods, the outer walls of the fixing rods are rotatably connected with a plurality of wire rollers, the middle of the inner wall at the bottom end of the bridge box is fixedly connected with a wire clamping plate, the top of the wire clamping plate is provided with a plurality of grooves, the inner walls of the left and right openings at the bottom end of the bridge box are both installed with dustproof components, the middle of the front and rear sides of the top of the bridge box are provided with slots, the inner wall of the middle of the top of the bridge box is embedded with end covers, and the front and rear ends of the end covers are connected to the bridge box through limiter components. In the utility model, the connecting plates on both sides are pulled to disengage the plug from the limiter holes, and then the end covers can be separated from the bridge box, and the disassembly method is convenient, which improves the work efficiency of troubleshooting.

Description

Technical Field

[0001] The utility model relates to the technical field of cable bridges, in particular to a weak current wire bridge structure. Background Art

[0002] The weak-current wiring bridge is a support structure specially used for arranging weak-current cables. Compared with ordinary cable bridges, the weak-current wiring bridge pays more attention to the support and protection of weak cables such as low voltage and signal transmission. It is usually made of lightweight and corrosion-resistant materials to ensure the best performance of signal transmission.

[0003] After searching, the announcement number CN220457053U is a bridge structure for weak current threading, including a trough bridge, a bridge cover is provided inside the trough bridge, two groups of bearing rings are fixedly inlaid on the inner side wall of the trough bridge, two threading guide rollers are provided inside the trough bridge, the left and right ends of the two threading guide rollers are respectively fixedly connected to the inner rings of the two groups of bearing rings, the outer surfaces of the two threading guide rollers are provided with a plurality of diversion holes, the inner bottom wall of the trough bridge is fixedly connected with a guide block, the upper surface of the guide block is provided with a plurality of positioning holes, the outer surface of the trough bridge is fixedly connected with two fixing seats, the upper surface of the bridge cover is fixedly connected with two fixing plates, and the outer surface of the bridge cover is provided with two concave holes. The bridge structure for weak current threading will guide the cable threading, reduce the friction between the cable and the trough bridge, and be more flexible when threading.

[0004] Based on the above patent, the threading guide roller can be installed through the bearing ring provided on the trough type bridge. By utilizing the rotation of the threading guide roller and cooperating with a plurality of guide holes, the cable can slide above the threading guide roller, which will guide the cable threading, reduce the friction between the cable and the trough type bridge, and avoid damage to the outer sheath of the cable. However, in the above technical means, the bridge cover and the trough type bridge are connected by screws. When the cables are subsequently checked, tools are required to open the cover, which is inconvenient. In addition, the dustproof mesh plate is inconvenient to disassemble and is not easy to clean. When too much dust adheres, it affects the air circulation and reduces the heat dissipation effect in the bridge. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a weak current wiring bridge structure, by pulling the connecting plates on both sides, the plug is disengaged from the limit hole, and then the end cover can be separated from the bridge box, the disassembly method is convenient, and the work efficiency of the investigation is improved.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A weak current wiring bridge structure comprises a bridge box, wherein the left and right ends of the bridge box are provided with a plurality of wire threading holes, the inner walls of the left and right sides of the front and rear ends of the bridge box are fixedly connected with fixing rods, the outer walls of the fixing rods are rotatably connected with a plurality of wire rollers, a wire clamping plate is fixedly connected to the middle of the inner wall at the bottom end of the bridge box, a plurality of grooves are provided at the top of the wire clamping plate, dustproof components are installed on the inner walls of the left and right openings at the bottom end of the bridge box, slots are provided in the middle of the front and rear sides of the top end of the bridge box, an end cover is embedded in the inner wall of the middle of the top end of the bridge box, and the front and rear ends of the end cover are connected to the bridge box through a limit assembly.

[0008] Furthermore, the limit assembly includes an L-shaped plug plate fixedly connected in the middle of the front and rear ends of the end cover and a plug slidably connected at the opposite end of the inner wall of the slot, and the L-shaped plug plate has a limit hole at the opposite end, and the plug has a connecting plate fixedly connected at the opposite end, and the connecting plate and the bridge box are connected by a first spring.

[0009] Furthermore, the dustproof component includes heat sinks embedded in the inner walls of the left and right side openings at the bottom end of the bridge box, a number of filters are fixedly connected to the inner walls of the heat sinks, the middle inner walls of the front and rear ends of the heat sink are connected to T-shaped plates through a second spring, and the left and right ends of the T-shaped plates are slidably connected to the middle inner walls of the front and rear ends of the heat sink.

[0010] Furthermore, one end of the first spring is fixedly connected to the opposite end of the connecting plate close to the outside of the plug, and the other end of the first spring is fixedly connected to the front and rear ends of the bridge box close to the outside of the plug.

[0011] Furthermore, one end of the second spring is fixedly connected to the inner wall in the middle of the front and rear ends of the heat dissipation plate, and the other end of the second spring is fixedly connected to the lower side of the opposite end of the T-shaped plate on the front and rear sides.

[0012] Furthermore, the shape of the bottom end of the L-shaped plug board matches the shape of the inner wall of the slot.

[0013] Furthermore, the shape of the opposite end of the plug matches the shape of the inner wall of the limiting hole.

[0014] Furthermore, baffles are fixedly connected to the upper inner walls at both the front and rear ends of the bridge box.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, by pulling the connecting plates on both sides, the plug is driven to slide and stretch the first spring, and then the L-shaped plug plates on both sides of the end cover are inserted into the slots, and the connecting plates are loosened. Under the elastic force of the first spring, the plug is driven to reset, so that the plug is inserted into the limiting hole to limit the end cover. When the cable is checked later, it is only necessary to pull the connecting plates on both sides to disengage the plug from the limiting hole, and then the end cover can be separated from the bridge box. The disassembly method is convenient and the work efficiency of the check is improved.

[0017] 2. In the utility model, by pulling the T-shaped plates on both sides to squeeze the second spring, one end of the T-shaped plates on both sides is moved away from the inner wall of the bridge box, the limiting relationship between the bridge box and the heat sink is released, and then the T-shaped plates are taken out from the bottom of the bridge box, which can facilitate the cleaning of dust attached to the surface of the filter 13, avoid affecting the air circulation, and improve the heat dissipation effect in the bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a weak current wire bridge structure proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the end cover structure of a weak current wire bridge structure proposed by the utility model;

[0020] Figure 3 A schematic diagram of a bridge box structure of a weak current wire bridge structure proposed by the utility model;

[0021] Figure 4 A cross-sectional view of a bridge box of a weak current wire bridge structure proposed by the utility model;

[0022] Figure 5 The utility model provides a cross-sectional view of a heat sink of a weak current wire bridge structure.

[0023] Legend:

[0024] 1. Bridge box; 2. End cover; 3. Threading hole; 4. Connecting plate; 5. L-shaped plug plate; 6. Limiting hole; 7. Slot; 8. Baffle; 9. Fixing rod; 10. Wire roller; 11. Wire clamping plate; 12. Heat sink; 13. Filter; 14. Plug; 15. First spring; 16. Groove; 17. T-shaped plate; 18. Second spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions 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 in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-5 The utility model provides an embodiment: a weak current wire threading bridge structure, including a bridge box 1, a plurality of wire threading holes 3 are opened at both ends of the bridge box 1, and the inner walls of the left and right sides of the front and rear ends of the bridge box 1 are fixedly connected with fixing rods 9, and the outer wall of the fixing rods 9 is rotatably connected with a plurality of wire rollers 10, and a wire clamping plate 11 is fixedly connected to the middle of the inner wall at the bottom end of the bridge box 1, and a plurality of grooves 16 are opened on the top of the wire clamping plate 11. The bridge box 1 is fixed by the mounting frames on the four sides of the bridge box 1, and then the cable is passed through the wire threading hole 3 on one side, passes through the wire roller 10 and the groove 16 respectively and is placed on the upper end thereof, and then passes through the wire threading hole 3 on the other side, so as to separate the cables to avoid stringing, and slots 7 are opened in the middle of the front and rear sides of the top of the bridge box 1, and an end cover 2 is embedded in the inner wall of the middle of the top of the bridge box 1.

[0027] Specifically, the L-shaped plug plate 5 fixedly connected to the middle of the front and rear ends of the end cover 2 and the plug 14 slidably connected at the opposite end of the inner wall of the slot 7, the shape of the bottom end of the L-shaped plug plate 5 is consistent with the shape of the inner wall of the slot 7, the opposite end of the L-shaped plug plate 5 is provided with a limiting hole 6, the shape of the opposite end of the plug 14 is consistent with the shape of the inner wall of the limiting hole 6, the opposite end of the plug 14 is fixedly connected with a connecting plate 4, the connecting plate 4 and the bridge box 1 are connected through a first spring 15, one end of the first spring 15 is fixedly connected to the opposite end of the connecting plate 4 close to the outside of the plug 14, and the other end of the first spring 15 is fixedly connected to The front and rear ends of the bridge box 1 are close to the outside of the plug 14, and the upper inner walls of the front and rear ends of the bridge box 1 are fixedly connected with baffles 8. Pull the connecting plates 4 on both sides respectively to drive the plug 14 to slide outward and stretch the first spring 15, and then insert the L-shaped plug plates 5 on both sides of the end cover 2 into the slot 7, and the bottom of the end cover 2 fits with the top of the baffle 8, relax the connecting plate 4, and under the elastic force of the first spring 15, drive the plug 14 to reset, so that the plug 14 is inserted into the limiting hole 6 to limit the end cover 2. When checking the cable line later, you only need to pull the connecting plates 4 on both sides to disengage the plug 14 from the limiting hole 6, and then the end cover 2 can be separated from the bridge box 1.

[0028] Specifically, the inner walls of the openings on both sides of the bottom of the bridge box 1 are embedded with heat sinks 12, and the inner walls of the heat sinks 12 are fixedly connected with a plurality of filters 13. The filters 13 on the inner walls of the heat sinks 12 can prevent external dust from entering the bridge box 1 while maintaining air circulation and heat dissipation effects inside the bridge box 1. The inner walls of the middle of the front and rear ends of the heat sink 12 are connected with T-shaped plates 17 through second springs 18, and the left and right ends of the T-shaped plates 17 are slidably connected to the middle of the front and rear ends of the heat sink 12. The inner wall, one end of the second spring 18 is fixedly connected to the inner wall in the middle of the front and rear ends of the heat sink 12, and the other end of the second spring 18 is fixedly connected to the lower side of the opposite end of the T-shaped plates 17 on the front and rear sides. Pull the T-shaped plates 17 on both sides to squeeze the second spring 18, so that the extended ends of the T-shaped plates 17 on both sides are away from the inner wall at the bottom end of the bridge box 1, and the limiting relationship between the bridge box 1 and the heat sink 12 is released. Then the T-shaped plate 17 is taken out from the bottom of the bridge box 1, which can facilitate the cleaning of dust attached to the surface of the filter 13.

[0029] Working principle: Fix the bridge box 1 through the mounting frames on the four sides of the bridge box 1, then pass the cable through the threading hole 3 on one side, pass through the wire roller 10 and the groove 16 respectively and place it on the upper end, and then pass through the threading hole 3 on the other side to separate the cables to avoid cross-wires. Then pull the connecting plates 4 on both sides respectively to drive the plug 14 to slide outward and stretch the first spring 15, and then insert the L-shaped plug plates 5 on both sides of the end cover 2 into the slot 7, the bottom of the end cover 2 fits with the top of the baffle 8, relax the connecting plate 4, and under the elastic force of the first spring 15, drive the plug 14 to reset, so that the plug 14 is inserted into the limit hole 6 to limit the end cover 2, and then the cable When checking the cables, it is only necessary to pull the connecting plates 4 on both sides to disengage the plugs 14 from the limiting holes 6, and then the end cover 2 can be separated from the bridge box 1. Through the filter 13 on the inner wall of the heat sink 12, it can maintain air circulation and heat dissipation inside the bridge box 1 while preventing external dust from entering the bridge box 1. Then, pull the T-plates 17 on both sides to squeeze the second spring 18, so that the extended ends of the T-plates 17 on both sides are away from the inner wall of the bottom end of the bridge box 1, and the limiting relationship between the bridge box 1 and the heat sink 12 is released. Then, the T-plates 17 are removed from the bottom of the bridge box 1, which can facilitate the cleaning of the dust attached to the surface of the filter 13.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A weak current wire bridge structure, comprising a bridge box (1), characterized in that: The left and right ends of the bridge box (1) are provided with a plurality of threading holes (3); the inner walls of the left and right sides of the front and rear ends of the bridge box (1) are fixedly connected with fixing rods (9); the outer walls of the fixing rods (9) are rotatably connected with a plurality of wire rollers (10); the middle part of the inner wall at the bottom end of the bridge box (1) is fixedly connected with a wire clamping plate (11); the top of the wire clamping plate (11) is provided with a plurality of grooves (16); the inner walls of the left and right openings at the bottom end of the bridge box (1) are both installed with dustproof components; the middle part of the front and rear sides of the top end of the bridge box (1) is provided with slots (7); the inner wall at the middle part of the top end of the bridge box (1) is embedded with an end cover (2); the front and rear ends of the end cover (2) are connected to the bridge box (1) through a limit assembly.

2. A weak current wire bridge structure according to claim 1, characterized in that: The limit assembly comprises an L-shaped plug plate (5) fixedly connected to the middle of the front and rear ends of the end cover (2) and a plug (14) slidably connected to the inner wall of the slot (7) at the opposite end, the L-shaped plug plate (5) having a limit hole (6) at the opposite end, and a connecting plate (4) fixedly connected to the opposite end of the plug (14), and the connecting plate (4) and the bridge box (1) are connected via a first spring (15).

3. A weak current wire bridge structure according to claim 1, characterized in that: The dustproof component comprises a heat sink (12) embedded in the inner walls of the openings on both sides of the bottom end of the bridge box (1), a plurality of filters (13) are fixedly connected to the inner walls of the heat sink (12), the inner walls in the middle of the front and rear ends of the heat sink (12) are connected to a T-shaped plate (17) via a second spring (18), and the left and right ends of the T-shaped plate (17) are slidably connected to the inner walls in the middle of the front and rear ends of the heat sink (12).

4. A weak current wire bridge structure according to claim 2, characterized in that: One end of the first spring (15) is fixedly connected to the opposite end of the connecting plate (4) close to the outside of the plug (14), and the other end of the first spring (15) is fixedly connected to the front and rear ends of the bridge box (1) close to the outside of the plug (14).

5. A weak current wire bridge structure according to claim 3, characterized in that: One end of the second spring (18) is fixedly connected to the inner wall in the middle of the front and rear ends of the heat dissipation plate (12), and the other end of the second spring (18) is fixedly connected to the lower side of the opposite end of the front and rear T-shaped plates (17).

6. A weak current wire bridge structure according to claim 2, characterized in that: The shape of the bottom end of the L-shaped plug board (5) matches the shape of the inner wall of the slot (7).

7. A weak current wire bridge structure according to claim 2, characterized in that: The shape of the opposite end of the plug (14) matches the shape of the inner wall of the limiting hole (6).

8. A weak current wire bridge structure according to claim 1, characterized in that: Baffles (8) are fixedly connected to the upper inner walls of the front and rear ends of the bridge box (1).

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