Branch cable joint protective housing

Abstract

The utility model discloses a branch cable joint protective housing, which relates to the technical field of cable joint protective housings, and comprises a fixing plate, one side of the fixing plate is fixedly connected with an external thread sleeve, the outer wall of the external thread sleeve is sleeved with an internal thread sleeve in a threaded manner, one side of the fixing plate is provided with an insulating housing, and the insulating housing is provided with an external thread. According to the utility model, a branch cable copper wire core passes through the inside of the external thread sleeve and is inserted into the copper core jack, then one end of the external thread sleeve is connected with the internal thread sleeve, and the external thread sleeve is pulled by rotating the internal thread sleeve, so that the branch cable copper wire core is inserted into the copper core jack. The guide plate in the external thread sleeve and the sealing plate are extruded and deformed, the sheath surface of the cable joint is attached, the copper wire core joint is sealed, then the locking bolt is rotated to press the locking pressing plate downwards, the outside of the branch cable is pressed, and further locking and fixing are achieved in cooperation with the fixing bottom plate. Therefore, the connection stability of the connecting structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable joint protective shells, in particular to a protective outer shell for branch cable joints. Background Art

[0002] A branch cable joint is a connection device often used in the power system, mainly used to converge multi-branch prefabricated wires, network wires or component prefabricated wires in electrical wiring to facilitate the entry of the line into the distribution box and junction box. A protective outer shell is required to protect the cable joint during the connection operation of the branch cable joint.

[0003] However, the protective outer shell in the prior art is not firmly connected to the branch cable joint, which will cause the internal cable to loosen during long-term use, thereby affecting electrical connection or causing a short circuit. In addition, the connection sealing performance is poor, which is likely to cause water, dust and other environmental factors to invade and damage the internal cable. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problems existing in the prior art that the protective outer shell is not firmly connected to the branch cable joint, which will cause the internal cable to loosen during long-term use, thereby affecting electrical connection or causing a short circuit. In addition, the connection sealing performance is poor, which is likely to cause water, dust and other environmental factors to invade and damage the internal cable. A protective outer shell for branch cable joints is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A protective outer shell for branch cable joints includes a fixing plate, one side of the fixing plate is fixedly connected with an external thread sleeve, the outer wall of the external thread sleeve is threadedly sleeved with an internal thread sleeve, one side of the fixing plate is provided with an insulating shell, the inner wall of the insulating shell is fixedly connected with a copper conductive joint, the internal thread sleeve is movably connected to one end of the insulating shell, a copper core insertion hole is opened on the outer wall of one end of the copper conductive joint, a sealing plate is arranged at one end of the copper core insertion hole, the sealing plate is fixedly connected to one end of the copper conductive joint, a guiding plate is fixedly connected to the inner wall of the external thread sleeve, a fixing bottom plate is fixedly connected to the other side of the external thread sleeve, a locking pressing plate is arranged above the fixing bottom plate, and locking bolts are respectively and movably connected through both ends of the locking pressing plate, and the bottom ends of the locking bolts are threadedly connected to the fixing bottom plate.

[0006] Preferably, a limiting ring plate is fixedly connected to the outer wall of one end of the insulating shell, and the internal thread sleeve is movably sleeved on the outer wall of the limiting ring plate.

[0007] Preferably, a connection groove is opened on the outer wall of one side of the top of the insulating shell, a connection hole is arranged inside the connection groove, and the connection hole penetrates through the outer wall of the top of the copper conductive joint.

[0008] Preferably, an installation hole is provided on the outer wall of the other side of the top end of the insulating housing.

[0009] Preferably, the interior of the installation hole communicates with the interior of the connection hole.

[0010] Preferably, a sealing cover is movably connected to the inner wall of the installation hole, and a rubber connecting plate is fixedly connected to the outer wall of the sealing cover.

[0011] Preferably, the bottom end of the rubber connecting plate is fixedly connected to the outer wall of the insulating housing.

[0012] Preferably, a convex plate is fixedly connected to the bottom surface of the locking pressure plate.

[0013] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0014] 1. In the present utility model, by passing the copper wire core of the branch cable through the inside of the external thread sleeve and inserting it into the copper core jack, and then connecting one end of the external thread sleeve to the internal thread sleeve, the external thread sleeve is pulled by rotating the internal thread sleeve, so that the guide plate in the external thread sleeve and the sealing plate are extruded and deformed to fit the outer surface of the cable joint, realizing the sealing of the copper wire core connection. Then, the locking bolt is rotated to press down the locking pressure plate to press the outside of the branch cable and cooperate with the fixed bottom plate to realize further locking and fixing, thereby improving the connection stability of the present utility model and enabling the connection of the present utility model to comprehensively protect the outside of the branch cable joint.

[0015] 2. In the present utility model, by using the copper conductive joint and the connection hole to connect and install with the equipment, and fixing through thread connection at the connection groove, through the setting of the sealing cover and the rubber connecting plate, it is convenient for the operator to cover and protect the connection groove after the installation of the present utility model is completed, further improving the sealing and protection effect of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of a protective housing for a branch cable joint proposed by the present utility model;

[0017] Figure 2 is a side view structural schematic diagram of a protective housing for a branch cable joint proposed by the present utility model;

[0018] Figure 3 is an internal structural schematic diagram of a protective housing for a branch cable joint proposed by the present utility model;

[0019] Figure 4 is a protective housing for a branch cable joint proposed by the present utility model Figure 3 The enlarged view of the structure at A in.

[0020] Legend: 1. Fixed plate; 11. External thread sleeve; 12. Fixed bottom plate; 13. Locking pressure plate; 14. Locking bolt; 15. Convex plate; 16. Guide plate; 2. Insulating housing; 21. Internal thread sleeve; 22. Sealing cover; 23. Rubber connecting plate; 24. Connecting groove; 25. Mounting hole; 26. Limit ring plate; 3. Copper conductive joint; 31. Connecting hole; 32. Copper core jack; 33. Sealing plate. Detailed implementation mode

[0021] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described below with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0022] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention may be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the limitations of the specific embodiments disclosed in the following specification.

[0023] Embodiment 1: As Figure 1 - Figure 4 shown, the present invention provides a protective housing for a branch cable joint, including a fixed plate 1. One side of the fixed plate 1 is fixedly connected with an external thread sleeve 11. The outer wall of the external thread sleeve 11 is threadedly sleeved with an internal thread sleeve 21. One side of the fixed plate 1 is provided with an insulating housing 2. The inner wall of the insulating housing 2 is fixedly connected with a copper conductive joint 3. The internal thread sleeve 21 is movably connected to one end of the insulating housing 2. One end outer wall of the copper conductive joint 3 is provided with a copper core jack 32. One end of the copper core jack 32 is provided with a sealing plate 33. The sealing plate 33 is fixedly connected to one end of the copper conductive joint 3. The inner wall of the external thread sleeve 11 is fixedly connected with a guide plate 16. The other side of the external thread sleeve 11 is fixedly connected with a fixed bottom plate 12. Above the fixed bottom plate 12 is provided with a locking pressure plate 13. Both ends of the locking pressure plate 13 penetrate and are movably connected with locking bolts 14. The bottom end of the locking bolt 14 is threadedly connected with the fixed bottom plate 12. The bottom surface of the locking pressure plate 13 is fixedly connected with a convex plate 15.

[0024] Specifically describe the specific settings and functions of this embodiment below. By passing the copper core of the branch cable through the inside of the external thread sleeve 11 and inserting it into the copper core jack 32, then connecting one end of the external thread sleeve 11 to the internal thread sleeve 21, and pulling the external thread sleeve 11 by rotating the internal thread sleeve 21, the guide plate 16 inside the external thread sleeve 11 is extruded and deformed to fit the outer skin surface at the cable joint, realizing the sealing of the copper core connection. Then, rotate the locking bolt 14 to press down the locking pressing plate 13, and use the convex plate 15 on the bottom surface of the locking pressing plate 13 to press and cooperate with the outside of the branch cable to fix the bottom plate 12 to achieve further locking and fixing, thereby improving the connection stability of the present invention and enabling the present invention to comprehensively protect the outside of the branch cable joint.

[0025] Embodiment 2: As Figure 1 - Figure 4 shown, a limit ring plate 26 is fixedly connected to the outer wall of one end of the insulating housing 2, the internal thread sleeve 21 is movably sleeved on the outer wall of the limit ring plate 26, a connection groove 24 is opened on the outer wall of one side of the top end of the insulating housing 2, a connection hole 31 is arranged inside the connection groove 24, and the connection hole 31 is opened through the outer wall of the top of the copper conductive joint 3. An installation hole 25 is opened on the outer wall of the other side of the top end of the insulating housing 2, the inside of the installation hole 25 is communicated with the inside of the connection hole 31, a sealing cover 22 is movably connected to the inner wall of the installation hole 25, a rubber connecting plate 23 is fixedly connected to the outer wall of the sealing cover 22, and the bottom end of the rubber connecting plate 23 is fixedly connected to the outer wall of the insulating housing 2.

[0026] The effect achieved by the entire embodiment is that through the setting of the limit ring plate 26, the movement of one end of the internal thread sleeve 21 and the insulating housing 2 is limited, which is convenient for rotating the internal thread sleeve 21 to pull the external thread sleeve 11. By using the copper conductive joint 3 and the connection hole 31 to connect and install with the equipment connection, and fixing through thread connection at the connection groove 24. Through the setting of the sealing cover 22 and the rubber connecting plate 23, it is convenient for the operator to cover and protect the connection groove 24 after the installation of the present invention is completed.

[0027] Usage method and working principle of this device: When in use, the user peels off the outer skin at the end of the branch cable, inserts the copper wire core through the inside of the external thread sleeve 11 and into the copper core jack 32. Then, one end of the external thread sleeve 11 is connected to the internal thread sleeve 21. By rotating the internal thread sleeve 21, the external thread sleeve 11 is pulled, causing the guide plate 16 inside the external thread sleeve 11 to be deformed by extrusion with the sealing plate 33, so as to fit the outer skin surface at the cable joint, realizing the sealing of the copper wire core connection. Then, rotate the locking bolt 14 to press down the locking pressure plate 13, and use the convex plate 15 on the bottom surface of the locking pressure plate 13 to press and cooperate with the outside of the branch cable and the fixed bottom plate 12 to achieve further locking and fixing. Connect and install with the device through the copper conductive joint 3 and the connection hole 31, and fix it through threaded connection at the connection groove 24. Through the settings of the sealing cover 22 and the rubber connecting plate 23, it is convenient for the operator to cover and protect the connection groove 24 after the installation of this utility model is completed.

[0028] The above are only the preferred embodiments of the present utility model, and are not limitations on the present utility model in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A branch cable connector protective housing, characterized in that: The invention comprises a fixing plate (1), one side of which is fixedly connected to an externally threaded sleeve (11), the outer wall of which is threadedly sleeved with an internally threaded sleeve (21), one side of which is provided with an insulating shell (2), the inner wall of which is fixedly connected to a copper conductive joint (3), the internally threaded sleeve (21) being movably connected to one end of the insulating shell (2), the outer wall of which is provided with a copper core plug hole (32), the copper core plug hole (32) being provided with a A sealing plate (33) is provided at one end, and the sealing plate (33) is fixedly connected to one end of the copper conductive joint (3); a guide plate (16) is fixedly connected to the inner wall of the externally threaded sleeve (11); the other side of the externally threaded sleeve (11) is fixedly connected to a fixed base plate (12); a locking pressure plate (13) is provided above the fixed base plate (12); both ends of the locking pressure plate (13) are penetrated by locking bolts (14) that are movably connected; the bottom end of the locking bolt (14) is threadedly connected to the fixed base plate (12).

2. A branch cable joint protective housing according to claim 1, characterized in that: The outer wall of one end of the insulating housing (2) is fixedly connected to a limiting ring plate (26), and the internal threaded sleeve (21) is movably sleeved on the outer wall of the limiting ring plate (26).

3. A branch cable joint protective housing according to claim 2, characterized in that: A connection groove (24) is provided on the outer wall of one side of the top end of the insulating shell (2), a connection hole (31) is provided inside the connection groove (24), and the connection hole (31) penetrates the outer wall of the top end of the copper conductive joint (3).

4. A branch cable joint protective housing according to claim 3, characterized in that: A mounting hole (25) is provided on the outer wall at the other side of the top end of the insulating housing (2).

5. A branch cable joint protective housing according to claim 4, characterized in that: The interior of the mounting hole (25) is communicated with the interior of the connecting hole (31).

6. A branch cable joint protective housing according to claim 5, characterized in that: The inner wall of the mounting hole (25) is movably connected to a sealing cover (22), and the outer wall of the sealing cover (22) is fixedly connected to a rubber connecting plate (23).

7. A branch cable joint protective housing according to claim 6, characterized in that: The bottom end of the rubber connecting plate (23) is fixedly connected to the outer wall of the insulating housing (2).

8. The branch cable joint protective housing according to claim 1, characterized in that: A convex plate (15) is fixedly connected to the bottom surface of the locking pressure plate (13).

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