CN220382744U

CN220382744U - Cable joint protector

Info

Publication number: CN220382744U
Application number: CN202321533815.7U
Authority: CN
Inventors: 刘芸
Original assignee: Jiangsu Hengjie Electric Co ltd
Current assignee: Jiangsu Hengjie Electric Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-01-23
Anticipated expiration: 2033-06-15

Abstract

The utility model provides a cable joint protection device, which comprises a protection box, wherein the top of the protection box is provided with a protection cover, both ends of one side opposite to the protection box and the protection cover are provided with mounting holes, the inner cavity of each mounting hole is provided with a movable rod, one end of each movable rod is fixedly connected with a reset spring, one end of each reset spring, which is far away from each movable rod, is fixedly connected with the inner wall of each mounting hole, and the other end of each movable rod extends to the outside of each mounting hole and is fixedly connected with the corresponding mounting box; according to the cable clamping device, the mounting holes, the movable rods, the reset springs, the mounting boxes, the rollers and the connecting rods are arranged, so that the cable clamping device has the effect of clamping and fixing the cable, when the cable is pulled by external force, the cable moves to drive the rollers to rotate in the cable pulling direction, the pulling force can be buffered, and further the situation that the joint is loose and falls off due to the fact that the cable is pulled by external force can be effectively prevented.

Description

Cable joint protector

Technical Field

The utility model belongs to the field of cable joint protection, in particular to a cable joint protection device which can buffer the joint of a cable when the cable is pulled by external force, so that the condition that the joint is loosened and falls off due to the fact that the cable is pulled by external force can be effectively prevented, and the stability of cable transmission is effectively improved.

Background

The cable joint protection device is used for protecting and sealing the joint of two cables, preventing the condition that the cable joint is in water inflow or is influenced by external environmental factors and is in short circuit, and effectively improving the stability of cable transmission;

according to the Chinese patent application number: 201720484770.7 it discloses a device capable of improving the protection effect of a cable joint, which is characterized in that two ends of a main semicircular fixing sleeve are correspondingly connected with two ends of an auxiliary semicircular fixing sleeve through an annular clamp, two fixing lugs are respectively arranged at two ends of the annular clamp, fixing holes are formed in the fixing lugs, two top clamping plates are respectively arranged at two ends of the main semicircular fixing sleeve, two main arc clamping plates are respectively arranged on the inner wall of the main semicircular fixing sleeve, a pressing block is arranged at the middle part of the main arc clamping plates, two top clamping plates are respectively arranged at two ends of the auxiliary semicircular fixing sleeve, two auxiliary arc clamping plates are respectively arranged on the inner wall of the auxiliary semicircular fixing sleeve and correspond to the two main arc clamping plates, a rubber pad is arranged at the middle part of the auxiliary arc clamping plates and corresponds to a pressing block, two supporting blocks are respectively arranged on the auxiliary arc clamping plates and are positioned at two sides of the rubber pad, and two sealing strips are respectively arranged at two sides of the auxiliary semicircular fixing sleeve;

the problem that cable joint protection effect is not good has effectually been solved to the comparative case, receives the influence of external environment factor easily to cause the damage has simple structure, facilitates the use, can improve the advantage of cable joint protection effect, however in the in-service use, if carelessly pull the cable, the condition that looseness or drop appears in the junction that makes the cable easily to the condition that causes the circuit to appear short-circuiting takes place easily, and then has influenced the transmission of cable.

In summary, the present utility model provides a cable joint protection device to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a cable joint protection device, which is used for solving the problems that in the prior art, if a cable is pulled carelessly, the connection part of the cable is easy to loose or fall off, so that the short circuit of a circuit is easy to occur, and the cable transmission is influenced.

The utility model provides a cable joint protector, includes the protection box, the top of protection box is provided with the protective cover, the mounting hole has all been seted up at the both ends of the relative one side of protection box and protective cover, the inner chamber of mounting hole is provided with the movable rod, the one end fixedly connected with reset spring of movable rod, the one end and the inner wall fixed connection of mounting hole of movable rod are kept away from to reset spring, the other end of movable rod extends to the outside of mounting hole and fixedly connected with mounting box, the inner chamber of mounting box is provided with the cylinder, the equal fixedly connected with connecting rod in both ends of cylinder, the one end that the cylinder was kept away from to the connecting rod is through bearing and the inner wall swing joint of mounting box, the equal fixedly connected with stand pipe in both ends of protection box.

Preferably, the center of the back of the inner cavity of the protection box is fixedly connected with a PLC controller, and the right side of the back of the inner cavity of the protection box is fixedly connected with a temperature sensor.

Preferably, the left side fixedly connected with humidity transducer at protection box inner chamber back, the top fixedly connected with LED display screen of protection lid.

Preferably, the output ends of the temperature sensor and the humidity sensor are electrically connected with the input end of the PLC, and the output end of the PLC is electrically connected with the input end of the LED display screen.

Preferably, the inner cavity of the guide tube is fixedly connected with a sealing ring, and the inner cavity of the sealing ring is in contact with the surface of the cable.

Preferably, the limiting grooves are formed in two sides of the inner cavity of the mounting hole, the inner cavity of the limiting groove is slidably connected with the limiting block, and one end, away from the inner cavity of the limiting groove, of the limiting block is fixedly connected with the movable rod.

Preferably, the first mounting plate is fixedly connected with the periphery of the surface of the protection box, the second mounting plate is fixedly connected with the periphery of the surface of the protection cover, a bolt is arranged at the top of the second mounting plate, and the bottom of the bolt penetrates through the second mounting plate and extends to the inner cavity of the first mounting plate to be in threaded connection with the inner cavity of the first mounting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the protection box, the protection cover and the guide pipe are arranged, so that the effect of protecting the cable joint is achieved, two cables respectively penetrate into the inner cavity of the protection box from two ends through the guide pipe, and the cable joint connected by the protection cover is covered, so that the cable joint can be effectively protected, the situation of faults caused by damage of the cable joint due to external environment factors is effectively prevented, and the stability of cable transmission is effectively improved.

2. According to the cable clamping device, the installation holes, the movable rods, the reset springs, the installation boxes, the rollers and the connecting rods are arranged, so that the cable clamping and fixing effect is achieved, the reset elastic force of the reset springs respectively pushes the upper movable rods and the lower movable rods to move towards the outside of the installation holes, the two movable rods drive the installation boxes to approach towards the middle, the two installation boxes drive the two rollers to approach towards the middle and clamp and fix the cable, when the cable is pulled by external force, the cable moves to drive the rollers to rotate towards the cable pulling direction, the pulling force can be buffered, and further the situation that the joint is loose and falls due to the fact that the cable is pulled by external force can be effectively prevented.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure of the present utility model;

FIG. 3 is a schematic side sectional view of the shield case of the present utility model;

FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present utility model;

fig. 5 is a flow chart of the system of the present utility model.

In the figure:

1. a protective case; 2. a protective cover; 3. a mounting hole; 4. a movable rod; 5. a return spring; 6. a mounting box; 7. a roller; 8. a connecting rod; 9. a guide tube; 10. a PLC controller; 11. a temperature sensor; 12. a humidity sensor; 13. an LED display screen; 14. a seal ring; 15. a limit groove; 16. a limiting block; 17. a first mounting plate; 18. a second mounting plate; 19. and (5) a bolt.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-5, the utility model provides a cable joint protection device, which comprises a protection box 1, wherein the top of the protection box 1 is provided with a protection cover 2, both ends of one side opposite to the protection box 1 and the protection cover 2 are respectively provided with a mounting hole 3, the inner cavity of the mounting hole 3 is provided with a movable rod 4, one end of the movable rod 4 is fixedly connected with a return spring 5, one end of the return spring 5 away from the movable rod 4 is fixedly connected with the inner wall of the mounting hole 3, the other end of the movable rod 4 extends to the outside of the mounting hole 3 and is fixedly connected with a mounting box 6, the inner cavity of the mounting box 6 is provided with a roller 7, both ends of the roller 7 are fixedly connected with a connecting rod 8, one end of the connecting rod 8 away from the roller 7 is movably connected with the inner wall of the mounting box 6 through a bearing, and both ends of the protection box 1 are fixedly connected with a guide tube 9.

As an embodiment of the utility model, the center of the back surface of the inner cavity of the protection box 1 is fixedly connected with the PLC controller 10, the right side of the back surface of the inner cavity of the protection box 1 is fixedly connected with the temperature sensor 11, the PLC controller 10 is used for receiving the monitoring data of the temperature sensor 11 and the humidity sensor 12, and the temperature sensor 11 is arranged to achieve the effect of monitoring the temperature of the inner cavity of the protection box 1.

As one implementation mode of the utility model, the left side of the back surface of the inner cavity of the protection box 1 is fixedly connected with the humidity sensor 12, the top of the protection cover 2 is fixedly connected with the LED display screen 13, the effect of monitoring the humidity of the inner cavity of the protection box 1 is achieved by arranging the humidity sensor 12, and the data monitored by the temperature sensor 11 and the humidity sensor 12 can be displayed by arranging the LED display screen 13.

As an embodiment of the present utility model, the output ends of the temperature sensor 11 and the humidity sensor 12 are electrically connected to the input end of the PLC controller 10, and the output end of the PLC controller 10 is electrically connected to the input end of the LED display 13.

As one implementation mode of the utility model, the inner cavity of the guide pipe 9 is fixedly connected with the sealing ring 14, the inner cavity of the sealing ring 14 is contacted with the surface of the cable, and dust or water can be prevented from entering the inner cavity of the protection box 1 by arranging the sealing ring 14, so that the condition that the cable joint is influenced by external environmental factors to cause faults can be effectively prevented, and the stability of cable output is effectively improved.

As one implementation mode of the utility model, both sides of the inner cavity of the mounting hole 3 are provided with the limit grooves 15, the inner cavity of the limit groove 15 is slidably connected with the limit block 16, one end of the limit block 16 away from the inner cavity of the limit groove 15 is fixedly connected with the movable rod 4, and the limit groove 15 and the limit block 16 are arranged to achieve the effect of limiting the movement track of the movable rod 4, so that the movable rod 4 can be effectively prevented from shifting in position during movement.

As an implementation mode of the utility model, the first mounting plates 17 are fixedly connected to the periphery of the surface of the protection box 1, the second mounting plates 18 are fixedly connected to the periphery of the surface of the protection cover 2, bolts 19 are arranged at the tops of the second mounting plates 18, the bottoms of the bolts 19 penetrate through the second mounting plates 18 and extend to the inner cavities of the first mounting plates 17 and are in threaded connection with the inner cavities of the first mounting plates 17, and the effect of conveniently assembling and disassembling the protection box 1 and the protection cover 2 is achieved by arranging the first mounting plates 17, the second mounting plates 18 and the bolts 19, so that the cable joints can be conveniently inspected.

The specific working principle is as follows:

firstly, two cables penetrate into the inner cavity of the protection box 1 from two ends through the guide pipe 9 respectively, after the two cables are spliced, the protection cover 2 is covered on the top of the protection box 1 and is fixed through the bolt 19, so that a cable joint can be protected, the reset elastic force of the reset spring 5 pushes the upper end movable rod 4 and the lower end movable rod 4 to move towards the outside of the mounting hole 3 respectively, the two movable rods 4 drive the mounting box 6 to approach towards the middle, the two mounting boxes 6 drive the two rollers 7 to approach towards the middle and clamp and fix the cables, when the cables are pulled by external force, the cables move to drive the rollers 7 to rotate towards the cable pulling direction, and the pulling force can be buffered, and further the situation that the cable is loose and falls off at the joint caused by the external force can be effectively prevented, so that the situation that the cable is loose or falls off at the joint of the cable is easy to occur if the cable is carelessly pulled, and the problem that the cable transmission is influenced is solved;

during normal operation, the temperature sensor 11 and the humidity sensor 12 can monitor the environmental temperature and humidity of the inner cavity of the protection box 1, the temperature sensor 11 and the humidity sensor 12 send monitoring data to the PLC controller 10, and the PLC controller 10 sends data to the LED display screen 13 and displays the data through the LED display screen 13, so that the operation condition can be conveniently checked and understood by staff.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. A cable joint protector, including protection box (1), its characterized in that: the top of protection box (1) is provided with protection lid (2), mounting hole (3) have all been seted up at the both ends of protection box (1) and protection lid (2) relative one side, the inner chamber of mounting hole (3) is provided with movable rod (4), the one end fixedly connected with reset spring (5) of movable rod (4), the one end and the inner wall fixed connection of mounting hole (3) of movable rod (4) are kept away from to reset spring (5), the other end of movable rod (4) extends to the outside of mounting hole (3) and fixedly connected with mounting box (6), the inner chamber of mounting box (6) is provided with cylinder (7), the equal fixedly connected with connecting rod (8) in both ends of cylinder (7), the one end that cylinder (7) were kept away from to connecting rod (8) is through bearing and the inner wall swing joint of mounting box (6), the equal fixedly connected with stand pipe (9) in both ends of protection box (1).

2. The cable splice protection device of claim 1, wherein: the center of the back of the inner cavity of the protection box (1) is fixedly connected with a PLC (programmable logic controller) 10, and the right side of the back of the inner cavity of the protection box (1) is fixedly connected with a temperature sensor 11.

3. The cable splice protection device of claim 2, wherein: the left side at the back of the inner cavity of the protection box (1) is fixedly connected with a humidity sensor (12), and the top of the protection cover (2) is fixedly connected with an LED display screen (13).

4. A cable splice protector as claimed in claim 3, wherein: the output ends of the temperature sensor (11) and the humidity sensor (12) are electrically connected with the input end of the PLC (10), and the output end of the PLC (10) is electrically connected with the input end of the LED display screen (13).

5. The cable splice protection device of claim 1, wherein: the inner cavity of the guide pipe (9) is fixedly connected with a sealing ring (14), and the inner cavity of the sealing ring (14) is in contact with the surface of the cable.

6. The cable splice protection device of claim 1, wherein: limiting grooves (15) are formed in two sides of the inner cavity of the mounting hole (3), limiting blocks (16) are slidably connected to the inner cavity of the limiting grooves (15), and one end, away from the inner cavity of the limiting grooves (15), of each limiting block (16) is fixedly connected with the movable rod (4).

7. The cable splice protection device of claim 1, wherein: the protection box is characterized in that the first mounting plates (17) are fixedly connected to the periphery of the surface of the protection box (1), the second mounting plates (18) are fixedly connected to the periphery of the surface of the protection cover (2), bolts (19) are arranged at the tops of the second mounting plates (18), and the bottoms of the bolts (19) penetrate through the second mounting plates (18) and extend to the inner cavities of the first mounting plates (17) and are in threaded connection with the inner cavities of the first mounting plates (17).