Connection power cable and cable connection structure

Abstract

The utility model discloses a connecting structure for connecting a power cable and a cable, and relates to the related technical field of cable connecting structures, the connecting structure comprises a first connecting piece and a second connecting piece, the inner wall of the first connecting piece is provided with a fixing clamping groove, the inner wall of the second connecting piece is connected with a fixing clamping pipe matched with the fixing clamping groove, and the fixing clamping pipe is provided with a clamping groove. The fixing clamping pipe is embedded in the inner wall of the fixing clamping groove, and the second connecting piece is fixedly connected with the first connecting piece through the fixing clamping pipe. According to the connecting structure for connecting the power cable and the cable, a mortise and tenon joint structure is formed between the fixing clamping pipe and the fixing clamping groove, the first connecting piece and the second connecting piece are fixed for the first time, an internal cable interface is conveniently protected, the fixing sleeve is in threaded connection with the interface of the first connecting piece and the second connecting piece, secondary fixing is facilitated, and the service life is prolonged. The fixing piece fixes the fixing sleeve for three times, the damping spring buffers and absorbs vibration borne by the fixing sleeve, the telescopic connecting rod can prevent the damping spring from rebounding, and cable connection is prevented from loosening caused by external force.

Description

Technical Field

[0001] The utility model relates to the technical field related to cable connection structures, in particular to connecting power cables and cable connection structures. Background Art

[0002] Cables are composed of single or multiple wires and insulation layers, and are used to connect circuits, electrical appliances, etc. Power cables are an important part of the power transmission system. Due to the limited length of a single cable, there is an urgent need to connect power cables and cable connection structures.

[0003] At present, it is inconvenient to perform multiple fixations on the cable interfaces when connecting cables, which affects the stability of the connection. In addition, external force vibrations can easily cause the joints to loosen, affecting the service life. Utility Model Content

[0004] The purpose of the utility model is to provide a connection structure for power cables and cable connections, so as to solve the problems in the above-mentioned background technology that it is inconvenient to perform multiple fixations on the cable interfaces during cable connection, which affects the stability of the connection, and external force vibrations easily cause the joints to loosen, thus affecting the service life.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a structure for connecting a power cable and a cable connection, comprising a first connector and a second connector, the inner wall of the first connector being provided with a fixing card slot, the inner wall of the second connector being connected with a fixing card tube matched with the fixing card slot, the fixing card tube being embedded in the inner wall of the fixing card slot, the second connector being connected and fixed to the first connector by setting a fixing card tube, and the first connector and the second connector being symmetrically distributed, the outer wall of the first connector being provided with an external connecting thread, the outer wall of the second connector being also provided with an external connecting thread, the external connecting threads being symmetrically distributed, a fixing sleeve being provided on the outside of the first connector, the inner wall of the fixing sleeve being provided with an internal connecting thread matched with the external connecting thread, the fixing sleeve being threadedly connected to the outer walls of the first connector and the second connector respectively by setting an internal connecting thread, and a semicircular fixing clamp assembly being provided on the outside of the fixing sleeve.

[0006] Preferably, the semicircular fixing clamp assembly comprises a semicircular fixing clamp body, the inner wall of the semicircular fixing clamp body is provided with thermal insulation felt, and the outer wall of the semicircular fixing clamp body is coated with an anti-corrosion coating.

[0007] Preferably, the inner wall of the semicircular fixing clamp assembly is connected to one end of a telescopic connecting rod, the other end of the telescopic connecting rod is connected to a fixing plate, the inner wall of the semicircular fixing clamp assembly is connected to one end of a shock-absorbing spring, the other end of the shock-absorbing spring is connected to a fixing plate, and the fixing plate is arranged in a ring shape on the outer wall of the fixing sleeve.

[0008] Preferably, two symmetrically distributed connecting plates are provided on the outer walls on both sides of the semicircular fixing clamp assembly, and the semicircular fixing clamp assembly is symmetrically distributed, and connecting screw grooves are provided on the connecting plates, and the connecting screw grooves are connected and fixed by connecting bolts adapted thereto.

[0009] Preferably, the shock absorbing spring is sleeved on the outside of the telescopic connecting rod.

[0010] Preferably, the first connecting member is provided with a cable through-hole penetrating from front to back, and the second connecting member is provided with a cable through-hole penetrating from front to back.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The power cable and cable connection structure are connected by passing two cables through the first connector and the second connector through the cable perforation, and the mortise and tenon structure is formed between the fixed clamping tube and the fixed clamping groove, so that the first connector and the second connector are conveniently fixed for the first time, and the internal cable interface is conveniently protected. The fixed sleeve is threadedly connected to the interface of the first connector and the second connector, so that the secondary fixation is convenient and the stability of the cable connection is improved;

[0013] 2. The power cable and cable connection structure are connected to the outside of the fixed sleeve by a semicircular fixing clamp assembly, and the fixed sleeve is fixed three times by a fixing plate. The shock-absorbing spring buffers and absorbs the vibration of the fixed sleeve. The telescopic connecting rod can prevent the shock-absorbing spring from rebounding, which is convenient for improving the shock-absorbing performance and preventing the cable connection from loosening due to external force. The semicircular fixing clamp assembly is further fixed by connecting bolts penetrating the connecting plate. The thermal insulation felt prevents low temperature from affecting the cable transmission efficiency. The anti-corrosion coating alleviates external corrosion and helps to increase the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the semicircular fixing clamp assembly of the utility model.

[0018] In the figure: 1. first connecting piece; 2. second connecting piece; 3. cable penetration; 4. fixing slot; 5. fixing tube; 6. external connection thread; 7. fixing sleeve; 8. internal connection thread; 9. semicircular fixing clamp assembly; 901. semicircular fixing clamp body; 902. thermal insulation felt; 903. anti-corrosion coating; 10. telescopic connecting rod; 11. shock-absorbing spring; 12. fixing plate; 13. connecting plate; 14. connecting screw groove; 15. connecting bolt. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-4 The utility model provides a technical solution: a structure for connecting a power cable and a cable connection, comprising a first connector 1 and a second connector 2, the inner wall of the first connector 1 is provided with a fixed card slot 4, the inner wall of the second connector 2 is connected with a fixed card tube 5 adapted to the fixed card slot 4, the fixed card tube 5 is embedded in the inner wall of the fixed card slot 4, the second connector 2 is connected and fixed to the first connector 1 by setting the fixed card tube 5, and the first connector 1 and the second connector 2 are symmetrically distributed, the outer wall of the first connector 1 is provided with an external connection thread 6, the outer wall of the second connector 2 is also provided with an external connection thread 6, the external connection thread 6 is symmetrically distributed, the outside of the first connector 1 is provided with a fixed sleeve 7, and the inner wall of the fixed sleeve 7 is provided with a fixed sleeve 7 adapted to the external connection The inner connecting thread 8 is matched with the thread 6, and the fixing sleeve 7 is threadedly connected with the outer wall of the first connecting member 1 and the second connecting member 2 respectively by setting the inner connecting thread 8. The first connecting member 1 is provided with a cable through-hole 3 which passes through the front and back, and the second connecting member 2 is provided with a cable through-hole 3 which passes through the front and back. The two cables are connected by passing through the first connecting member 1 and the second connecting member 2 through the cable through-hole 3. A mortise and tenon structure is formed between the fixing clamp 5 and the fixing clamp groove 4, which facilitates the initial fixation of the first connecting member 1 and the second connecting member 2 and facilitates the protection of the internal cable interface. The fixing sleeve 7 is threadedly connected to the interface of the first connecting member 1 and the second connecting member 2, which facilitates secondary fixation and helps to improve the stability of the cable connection.

[0021] A semicircular fixing clamp assembly 9 is arranged on the outside of the fixing sleeve 7, and the semicircular fixing clamp assembly 9 includes a semicircular fixing clamp body 901, and the inner wall of the semicircular fixing clamp body 901 is provided with a heat-insulating felt 902, and the outer wall of the semicircular fixing clamp body 901 is coated with an anti-corrosion coating 903, and the inner wall of the semicircular fixing clamp assembly 9 is connected to one end of a telescopic connecting rod 10, and the other end of the telescopic connecting rod 10 is connected to a fixing plate 12, and the inner wall of the semicircular fixing clamp assembly 9 is connected to one end of a shock-absorbing spring 11, and the other end of the shock-absorbing spring 11 is connected to a fixing plate 12, and the fixing plate 12 is arranged in an annular shape on the outer wall of the fixing sleeve 7, and the shock-absorbing spring 11 is sleeved on the outside of the telescopic connecting rod 10, and the outer walls on both sides of the semicircular fixing clamp assembly 9 are provided with two symmetrically distributed connecting plates 13, and the semicircular fixing clamp The components 9 are symmetrically distributed, and a connecting screw groove 14 is provided on the connecting plate 13. The connecting screw groove 14 connects and fixes the fitting connecting plate 13 by setting a connecting bolt 15 adapted thereto. The semicircular fixing clamp component 9 is connected to the outside of the fixed sleeve 7 up and down, and the fixed sleeve 7 is fixed three times by the fixing plate 12. The shock-absorbing spring 11 buffers and absorbs the vibration of the fixed sleeve 7. The telescopic connecting rod 10 can prevent the shock-absorbing spring 11 from rebounding, so as to improve the shock-absorbing performance and prevent the cable connection from loosening due to external force. The connecting bolt 15 penetrates the connecting plate 13 to further fix the semicircular fixing clamp component 9. The thermal insulation felt 902 prevents low temperature from affecting the cable transmission efficiency. The anti-corrosion coating 903 alleviates external corrosion, which helps to improve the service life.

[0022] Working principle: First, two cables are connected through the cable penetration 3 through the first connecting member 1 and the second connecting member 2, and a mortise and tenon structure is formed between the fixing card tube 5 and the fixing card slot 4, so that the first connecting member 1 and the second connecting member 2 are conveniently fixed for the first time, and the internal cable interface is conveniently protected. The fixing sleeve 7 is threadedly connected to the interface of the first connecting member 1 and the second connecting member 2, so as to facilitate secondary fixation, which helps to improve the stability of the cable connection, and then the semicircular fixing clamp assembly 9 is connected to the outside of the fixing sleeve 7 up and down, and the fixing sleeve 7 is fixed three times by the fixing plate 12. The shock-absorbing spring 11 buffers and absorbs the vibration of the fixing sleeve 7. The telescopic connecting rod 10 can prevent the shock-absorbing spring 11 from rebounding, so as to improve the shock-absorbing performance and prevent the cable connection from loosening due to external force. The semicircular fixing clamp assembly 9 is further fixed by the connecting bolt 15 penetrating the connecting plate 13. The thermal insulation felt 902 prevents low temperature from affecting the cable transmission efficiency, and the anti-corrosion coating 903 alleviates external corrosion, which helps to improve the service life. In this way, the operation process of connecting the power cable and the cable connection structure is completed.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Connecting power cables and cable connection structures, characterized in that: The invention comprises a first connecting member (1) and a second connecting member (2), wherein the inner wall of the first connecting member (1) is provided with a fixing groove (4), the inner wall of the second connecting member (2) is connected with a fixing tube (5) adapted to the fixing groove (4), the fixing tube (5) is embedded in the inner wall of the fixing groove (4), the second connecting member (2) is connected and fixed to the first connecting member (1) by providing the fixing tube (5), and the first connecting member (1) and the second connecting member (2) are symmetrically distributed, and the outer wall of the first connecting member (1) is provided with an outer connecting member (5). The outer wall of the second connecting member (2) is also provided with an external connecting thread (6), and the external connecting threads (6) are symmetrically distributed. A fixing sleeve (7) is provided on the outside of the first connecting member (1), and an internal connecting thread (8) matching the external connecting thread (6) is provided on the inner wall of the fixing sleeve (7). The fixing sleeve (7) is threadably connected to the outer walls of the first connecting member (1) and the second connecting member (2) respectively by providing the internal connecting thread (8), and a semicircular fixing clamp assembly (9) is provided on the outside of the fixing sleeve (7).

2. The connecting power cable and cable connection structure according to claim 1, characterized in that: The semicircular fixing clamp assembly (9) comprises a semicircular fixing clamp body (901), the inner wall of the semicircular fixing clamp body (901) is provided with a thermal insulation felt (902), and the outer wall of the semicircular fixing clamp body (901) is coated with an anti-corrosion coating (903).

3. The connecting power cable and cable connection structure according to claim 1, characterized in that: The inner wall of the semicircular fixing clamp assembly (9) is connected to one end of a telescopic connecting rod (10), the other end of the telescopic connecting rod (10) is connected to a fixing plate (12), the inner wall of the semicircular fixing clamp assembly (9) is connected to one end of a shock absorbing spring (11), the other end of the shock absorbing spring (11) is connected to a fixing plate (12), and the fixing plate (12) is arranged in an annular shape on the outer wall of the fixing sleeve (7).

4. The connecting power cable and cable connection structure according to claim 1, characterized in that: Two symmetrically distributed connecting plates (13) are arranged on the outer walls of both sides of the semicircular fixing clamp assembly (9), and the semicircular fixing clamp assembly (9) is symmetrically distributed. The connecting plates (13) are provided with connecting screw grooves (14), and the connecting screw grooves (14) are connected and fixed to the connecting plates (13) that are in contact with each other by means of connecting bolts (15) that are matched therewith.

5. The power cable and cable connection structure according to claim 3, characterized in that: The shock absorbing spring (11) is sleeved on the outside of the telescopic connecting rod (10).

6. The power cable and cable connection structure according to claim 1, characterized in that: The first connecting member (1) is provided with a cable through-hole (3) which passes through from front to back, and the second connecting member (2) is provided with a cable through-hole (3) which passes through from front to back.

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