CN110429555B

CN110429555B - Cable overlapping device

Info

Publication number: CN110429555B
Application number: CN201910720903.XA
Authority: CN
Inventors: 陈志宏
Original assignee: Shanghai Zhadedong Electric Power Engineering Co ltd
Current assignee: Shanghai Zhadedong Electric Power Engineering Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-06-19
Anticipated expiration: 2039-08-06
Also published as: CN110429555A

Abstract

The invention discloses a cable lapping tool, which structurally comprises a first cable, a sealing ring, an upper cable locking pipe sleeve, an upper conductor connecting pipe sleeve, a thread groove, a locking spiral ring, a lower conductor connecting pipe sleeve, a lower cable locking pipe sleeve and a second cable, and has the following effects: through the sealing ring, go up cable locking pipe box, go up conductor connecting pipe box and lower conductor connecting pipe box and cable locking pipe box constitution cable overlap joint utensil down, through simple and easy operation and locking, can make first cable and second cable accomplish the overlap joint operation, make first cable and second cable junction be a whole, and possess complete dampproofing and insulating properties, with this solve artifical overlap joint cable and need pass through many steps, the operation is complicated relatively, the operation workman who needs certain experience just can accomplish the overlap joint work of cable, thereby cause and need waste more time in the aspect of the cable overlap joint, make cable construction engineering progress extension, problem with high costs.

Description

Cable overlapping device

Technical Field

The invention relates to the field of cables, in particular to a cable overlapping device.

Background

The cable is made of one or more mutually insulated conductors and a whole covering layer with high insulation outside, and is a conducting wire for transmitting electric power or information from one place to another place, after the cable is laid, in order to form a continuous line, all the sections of lines must be connected into a whole, in this time, the segmented cable needs to be lapped, so that all the sections of the cable are connected into a whole, the cable lapping mode usually adopts manual lapping, the manual lapping of the cable needs to be carried out through a plurality of steps, the operation is relatively complex, the lapping work of the cable can be completed by operation workers with certain experience, thereby causing that much time is wasted in the aspect of cable lapping, the cable construction project progress is prolonged, the cost is increased, therefore, a novel convenient and stable cable lapping device needs to be developed, and the problem that the manual lapping of the cable needs to be carried out through a plurality of steps is solved, the operation is relatively complicated, and the operation worker who needs certain experience can accomplish the overlap joint work of cable to cause and need waste more time in the aspect of the cable overlap joint, make cable construction engineering progress extension, problem that the cost rises.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a cable lapping device structurally comprises a first cable, a sealing ring, an upper cable locking pipe sleeve, an upper conductor connecting pipe sleeve, a thread groove, a locking spiral ring, a lower conductor connecting pipe sleeve, a lower cable locking pipe sleeve and a second cable, wherein the upper conductor connecting pipe sleeve is provided with the thread groove, the upper conductor connecting pipe sleeve is provided with a locking spiral ring in a sleeved mode, the locking spiral ring is in threaded fit with the thread groove, the upper conductor connecting pipe sleeve and the lower cable locking pipe sleeve are connected through the locking spiral ring, the upper end and the lower end of the locking spiral ring are respectively provided with the upper cable locking pipe sleeve and the lower cable locking pipe sleeve, the upper cable locking pipe sleeve and the lower cable locking pipe sleeve are in an axial symmetry structure, the upper cable locking pipe sleeve is vertically arranged at the central position of the top of the upper conductor connecting pipe sleeve, and the lower cable locking pipe sleeve is vertically arranged at the central position of the bottom of the, the sealing ring is provided with two sealing rings which are respectively arranged on the upper cable locking pipe sleeve and the lower cable locking pipe sleeve, the first cable is connected with the upper conductor connecting pipe sleeve through the upper cable locking pipe sleeve, and the second cable is connected with the lower conductor connecting pipe sleeve through the lower cable locking pipe sleeve.

As a further optimization of the technical scheme, the upper cable locking sleeve consists of a locking support, a moisture-proof sleeve, a spring, a locking gasket, a thorn layer and a sliding rod, the locking gasket is arranged inside the moisture-proof sleeve, the locking support is arranged on the outer wall of the moisture-proof sleeve, the sliding rod is arranged between the locking support and the locking gasket, the locking gasket is in sliding fit with the locking support through the sliding rod, the spring is sleeved on the sliding rod and is parallel to the sliding rod, and the head end and the tail end of the spring are respectively fixed on the locking support and the locking gasket.

As the further optimization of this technical scheme, the locking support constitute by screw rod, support, sliding barrel, ejector pin, sliding joint, the support mounting on dampproofing pipe box outer wall, support central point put and be equipped with the screw rod, screw rod and support adopt screw-thread fit, support below be equipped with the sliding barrel, the sliding barrel install perpendicularly on dampproofing pipe box, dampproofing pipe box inside be equipped with sliding joint, sliding joint and dampproofing pipe box adopt sliding fit, sliding joint and sliding rod connection, screw rod bottom be equipped with the ejector pin, the ejector pin locate inside and adopt interference fit with the screw rod of sliding barrel, ejector pin and sliding joint cooperate.

As a further optimization of the technical scheme, the upper conductor connecting pipe sleeve comprises an outer cover, a moisture absorption ring, an insulating ferrule, a conductor connecting support and a sealing rubber ring, the moisture absorption ring is arranged in the outer cover, the moisture absorption ring and the outer cover are in interference fit, the insulating ferrule is arranged below the moisture absorption ring, the insulating ferrule is embedded and installed on the inner wall of the outer cover, the conductor connecting support is arranged at the center of the insulating ferrule, the conductor connecting support is connected with the insulating ferrule, the sealing rubber ring is arranged below the conductor connecting support, and the sealing rubber ring is installed on an opening at the bottom of the insulating ferrule.

As a further optimization of the technical scheme, the conductor connecting bracket comprises an insulating positioning rod, an embedded copper column, a copper ring, a conductor positioning buckle and an embedded hole, the insulating positioning rod is arranged on the outer ring of the copper ring, the insulating positioning rod and the copper ring are in interference fit, the copper ring is fixed in an insulating ferrule through the insulating positioning rod, the conductor positioning buckle is arranged on two sides of the copper ring, the embedded copper column is arranged at the front end of the copper ring, the embedded copper column is horizontally arranged on the copper ring, the embedded hole is formed in the front end of the copper ring, and the embedded hole and the copper ring are of an integrated structure.

As a further optimization of the technical scheme, the upper cable locking pipe sleeve and the lower cable locking pipe sleeve have the same structure, and the upper conductor connecting pipe sleeve and the lower conductor connecting pipe sleeve have the same structure.

As a further optimization of the technical scheme, the locking gasket is of an arc-shaped plate-shaped structure, and the surface of the locking gasket is provided with the thorn layer.

As a further optimization of the technical solution, the positions of the embedded copper pillar and the embedded hole provided in the lower conductor connecting pipe sleeve are opposite to the positions of the embedded copper pillar and the embedded hole provided in the upper conductor connecting pipe sleeve.

Advantageous effects

The cable overlapping device is reasonable in design and strong in functionality, and has the following beneficial effects:

according to the invention, the sealing ring, the upper cable locking pipe sleeve, the upper conductor connecting pipe sleeve, the lower conductor connecting pipe sleeve and the lower cable locking pipe sleeve form a cable overlapping device, and the first cable and the second cable can complete overlapping operation through simple operation and locking, so that the first cable and the second cable are connected into a whole and have complete moisture-proof and insulating properties, thereby solving the problems that the manual overlapping of the cables needs multiple steps, the operation is relatively complex, and the overlapping work of the cables can be completed by an operation worker with certain experience, so that more time is wasted in the cable overlapping aspect, the cable construction engineering progress is prolonged, and the cost is increased;

the invention relates to a self-adaptive cable surface layer attaching structure which is composed of a spring, a locking gasket, a sliding rod, a sliding barrel and a sliding joint, wherein each locking gasket is automatically attached to the surface layer of a cable after being propped open by the cable under the action of the spring and the sliding rod, so that the mounting requirements of cables with different diameters are met, the diameter adapting time of the cable is shortened, the surface of each locking gasket is provided with a thorn layer, and the thorn layer can be pricked into the surface layer of the cable after the locking gasket is attached to the surface layer of the cable, so that the fixing degree of the locking gasket to the cable is increased;

according to the invention, the screw rod, the bracket and the ejector rod form a main locking gasket locking and positioning structure, the screw rod is enabled to vertically move downwards along the bracket by clockwise rotating the screw rod, and the ejector rod is driven to move downwards, so that the sliding joint is tightly jacked in the sliding cylinder after the locking gasket is attached to the surface layer of the cable, and the sliding joint cannot slide in the sliding cylinder, thereby improving the stability of the cable after being lapped;

the locking spiral ring, the outer cover, the insulating ferrule, the conductor connecting support and the sealing rubber ring form a main cable conductor lapping structure, a cable conductor stripped of an insulating layer is lapped on the conductor connecting support in a winding manner, current generated by the conductor is isolated through the insulating ferrule, micro moisture entering the outer cover can be absorbed through the moisture absorption ring, the conductor is always kept dry in a state of information or current transmission, the locking spiral ring is rotated to the closed position of the upper conductor connecting pipe sleeve and the lower conductor connecting pipe sleeve, the upper conductor connecting pipe sleeve and the lower conductor connecting pipe sleeve are butted in the matching of the thread groove and the locking spiral ring, and the sealing rubber ring is arranged to play a role in preventing moisture and dust after the upper conductor connecting pipe sleeve and the lower conductor connecting pipe sleeve are closed;

the invention relates to a main lapping structure of a cable conductor, which consists of an insulation positioning rod, an embedded copper column, a copper ring, a conductor positioning buckle and an embedded hole, wherein the cable conductor stripped of an insulation layer is wound and lapped on the conductor positioning buckle, the embedded copper column and the embedded hole which are sleeved on a lower conductor connecting pipe are opposite to the embedded copper column and the embedded hole which are sleeved on an upper conductor connecting pipe, so when the upper conductor connecting pipe sleeve and the lower conductor connecting pipe sleeve are closed, the embedded copper column which is sleeved on the lower conductor connecting pipe is inserted into the embedded hole which is sleeved on the upper conductor connecting pipe, and the embedded copper column which is sleeved on the upper conductor connecting pipe is inserted into the embedded hole which is sleeved on the lower conductor connecting pipe, thereby completing the conductive quick lapping of a first cable and a second cable.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic front view of a cable splicing device according to the present invention;

FIG. 2 is a schematic front view of the cable locking sleeve of the present invention;

FIG. 3 is a schematic structural view of a locking support in elevation section;

FIG. 4 is a schematic sectional view of the upper conductor connecting sleeve of the present invention;

fig. 5 is a schematic front view of the conductor connecting bracket of the present invention.

In the figure: a first cable-1, a sealing ring-2, an upper cable locking sleeve-3, a locking support-31, a screw-311, a support-312, a sliding cylinder-313, a mandril-314, a sliding joint-315, a moisture-proof sleeve-32, a spring-33, a locking gasket-34, a thorn layer-35, a sliding rod-36, an upper conductor connecting sleeve-4, an outer cover-41, a moisture absorption ring-42, an insulating ferrule-43, a conductor connecting support-44, an insulating positioning rod-441, a jogged copper column-442, a copper ring-443, a conductor positioning buckle-444, a jogged hole-445, a sealing rubber ring-45, a thread groove-5, a locking spiral ring-6, a lower conductor connecting sleeve-7, a lower cable locking sleeve-8, a lower cable locking sleeve-7, A second cable-9.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1-5, the present invention provides an embodiment of a cable splicing device:

referring to fig. 1, a cable overlapping device comprises a first cable 1, a sealing ring 2, an upper cable locking sleeve 3, an upper conductor connecting sleeve 4, a thread groove 5, a locking spiral ring 6, a lower conductor connecting sleeve 7, a lower cable locking sleeve 8 and a second cable 9, wherein the upper conductor connecting sleeve 4 is provided with the thread groove 5, the upper conductor connecting sleeve 4 is provided with the locking spiral ring 6, the locking spiral ring 6 is in thread fit with the thread groove 5, the upper conductor connecting sleeve 4 is connected with the lower cable locking sleeve 8 through the locking spiral ring 6, the upper end and the lower end of the locking spiral ring 6 are respectively provided with the upper cable locking sleeve 3 and the lower cable locking sleeve 8, the upper cable locking sleeve 3 and the lower cable locking sleeve 8 are in an axial symmetry structure, the upper cable locking sleeve 3 is vertically installed at the center of the top of the upper conductor connecting sleeve 4, the lower cable locking socket 8 is vertically installed at the center of the bottom of the lower conductor connecting socket 7, the sealing ring 2 is provided with two sealing rings which are respectively arranged on the upper cable locking pipe sleeve 3 and the lower cable locking pipe sleeve 8, the first cable 1 is connected with the upper conductor connecting pipe sleeve 4 through the upper cable locking pipe sleeve 3, the second cable 9 is connected with the lower conductor connecting pipe sleeve 7 through the lower cable locking pipe sleeve 8, the upper cable locking pipe sleeve 3 and the lower cable locking pipe sleeve 8 have the same structure, the upper conductor connecting pipe sleeve 4 and the lower conductor connecting pipe sleeve 7 have the same structure, the positions of the fitting copper cylinder 442 and the fitting hole 445 provided in the lower conductor connecting pipe sleeve 7 are opposite to the positions of the fitting copper cylinder 442 and the fitting hole 445 provided in the upper conductor connecting pipe sleeve 4, so that the upper conductor connecting pipe sleeve 4 and the lower conductor connecting pipe sleeve 7 can be connected in a fitting manner.

Referring to fig. 2, the upper cable locking sleeve 3 comprises a locking support 31, a moisture-proof sleeve 32, a spring 33, a locking washer 34, a thorn layer 35 and a sliding rod 36, the moisture-proof pipe sleeve 32 is a hollow cylindrical structure, four locking gaskets 34 are uniformly arranged in the moisture-proof pipe sleeve 32 at equal intervals, each locking gasket 34 surrounds an annular wall structure along the inner ring of the moisture-proof pipe sleeve 32, four locking supports 31 are uniformly arranged on the outer wall of the moisture-proof pipe sleeve 32 at equal intervals, each locking support 31 forms a circular wall structure along the outer ring of the moisture-proof pipe sleeve 32, a sliding rod 36 is arranged between the locking support 31 and the locking washer 34, the locking washer 34 is in sliding fit with the locking support 31 through the sliding rod 36, the spring 33 is sleeved on the sliding rod 36 and parallel to the sliding rod 36, the head end and the tail end of the spring 33 are respectively fixed on the locking support 31 and the locking gasket 34, the locking gasket 34 is in a circular arc plate-shaped structure, and the surface of the locking gasket is provided with a thorn layer 35.

Referring to fig. 3, the locking support 31 is composed of a screw 311, a bracket 312, a sliding tube 313, a top rod 314, and a sliding joint 315, the bracket 312 is U-shaped and is installed on the outer wall of the moisture-proof tube 32, the screw 311 is installed in the center of the bracket 312, the screw 311 and the bracket 312 are in threaded fit, the sliding tube 313 is installed below the bracket 312, the sliding tube 313 is vertically installed on the moisture-proof tube 32, the sliding joint 315 is installed inside the moisture-proof tube 32, the sliding joint 315 and the moisture-proof tube 32 are in sliding fit, the sliding joint 315 is connected with a sliding rod 36, the top rod 314 is installed at the bottom of the screw 311, the top rod 314 is installed inside the sliding tube 313 and is in interference fit with the screw 311, and the top rod 314 is matched with the sliding joint 315.

Referring to fig. 4, the upper conductor connecting pipe sleeve 4 is composed of an outer cover 41, a moisture absorption ring 42, an insulating ferrule 43, a conductor connecting support 44 and a sealing rubber ring 45, the outer cover 41 is of a hollow cylindrical structure, the moisture absorption ring 42 is arranged inside the outer cover 41, the moisture absorption ring 42 and the outer cover 41 are in interference fit, the insulating ferrule 43 is arranged below the moisture absorption ring 42, the insulating ferrule 43 is embedded and installed on the inner wall of the outer cover 41, the conductor connecting support 44 is arranged at the center of the insulating ferrule 43, the conductor connecting support 44 is connected with the insulating ferrule 43, the sealing rubber ring 45 is arranged below the conductor connecting support 44, and the sealing rubber ring 45 is installed on an opening at the bottom of the insulating ferrule 43.

Referring to fig. 5, the conductor connecting bracket 44 includes insulating positioning rods 441, embedded copper cylinders 442, copper rings 443, conductor positioning buckles 444 and embedded holes 445, six insulating positioning rods 441 are uniformly and equidistantly arranged on the outer ring of the copper ring 443, each insulating positioning rod 441 forms a ring wall structure along the outer ring of the copper ring 443, the insulating positioning rods 441 and the copper rings 443 are in interference fit, the copper rings 443 are fixed in the insulating ring 43 through the insulating positioning rods 441, the conductor positioning buckles 444 are arranged on both sides of the copper rings 443, three embedded copper cylinders 442 are uniformly and equidistantly arranged at the front ends of the copper rings 443, the embedded copper cylinders 442 are horizontally installed on the copper rings 443, each embedded copper cylinder 442 forms a circular arc structure along the copper ring 443, three embedded holes 445 are uniformly and equidistantly arranged at the front ends of the copper rings 443, the embedded holes 445 and the copper rings 443 are integrated, each of the fitting holes 445 is formed in an arc-shaped configuration along the copper ring 443.

The specific realization principle is as follows:

the sealing ring 2, the upper cable locking sleeve 3, the upper conductor connecting sleeve 4, the lower conductor connecting sleeve 7 and the lower cable locking sleeve 8 form a cable overlapping tool, the first cable 1 and the second cable 9 can complete overlapping operation through simple operation and locking, the first cable 1 and the second cable 9 are connected into a whole, and the cable overlapping tool has complete moisture-proof and insulating properties, because the spring 33, the locking gasket 34, the sliding rod 36, the sliding barrel 313 and the sliding joint 315 form a main adaptive cable surface layer attaching structure, the moisture-proof sleeve 32 is internally provided with four locking gaskets 34, each locking gasket 34 forms a ring wall structure along the inner ring of the moisture-proof sleeve 32 to form a locking ring, the sliding rod 36 is connected with the sliding joint 315, the locking gasket 34 is connected with the sliding barrel 313 through the sliding joint 315 in a sliding way, the sliding rod 36 is sleeved with the spring 33, the cable is inserted into the moisture-proof sleeve 32, after each locking gasket 34 is propped by the cable under the action of the spring 33 and the sliding rod 36, the locking gasket 34 is automatically attached to the surface layer of the cable to meet the installation requirements of cables with different diameters, and the time for adapting the diameter of the cable is shortened, the surface of the locking gasket 34 is provided with the thorn layer 35, after the locking gasket 34 is attached to the surface layer of the cable, the thorn layer 35 can be inserted into the surface layer of the cable, so that the fixing degree of the locking gasket 34 to the cable is increased, because the screw 311, the bracket 312 and the ejector rod 314 form a main locking positioning structure of the locking gasket 34, the screw 311 vertically moves downwards along the bracket 312 by clockwise rotating the screw 311, and drives the ejector rod 314 to move downwards, so that after the locking gasket 34 is attached to the surface layer of the cable, the sliding joint 315 is tightly pushed in the sliding barrel 313, so that the sliding joint 315 cannot slide in the sliding barrel 313, so that the stability, The outer cover 41, the insulating ferrule 43, the conductor connecting bracket 44 and the sealing rubber ring 45 form a main cable conductor lapping structure, a cable conductor stripped of an insulating layer is lapped on the conductor connecting bracket 44 in a winding manner, the insulating ferrule 43 isolates current generated by the conductor, the moisture absorption ring 42 can absorb tiny moisture entering the inner part of the outer cover 41 to enable the conductor to be always kept dry in a state of transmitting information or current, the locking spiral ring 6 is rotated to the closed position of the upper conductor connecting pipe sleeve 4 and the lower conductor connecting pipe sleeve 7, the upper conductor connecting pipe sleeve 4 and the lower conductor connecting pipe sleeve 7 are butted in the matching of the thread groove 5 and the locking spiral ring 6, the sealing rubber ring 45 is arranged to play a role of moisture and dust prevention after the upper conductor connecting pipe sleeve 4 and the lower conductor connecting pipe sleeve 7 are closed, and the main lapping structure of the cable conductor is formed by the insulating positioning rod 441, the embedded copper column 442, the copper ring 443, the cable conductor stripped of the insulating layer is wound and lapped on the conductor positioning buckle 444, because the positions of the embedded copper column 442 and the embedded hole 445 arranged on the lower conductor connecting pipe sleeve 7 are opposite to the positions of the embedded copper column 442 and the embedded hole 445 arranged on the upper conductor connecting pipe sleeve 4, when the upper conductor connecting pipe sleeve 4 and the lower conductor connecting pipe sleeve 7 are closed, the embedded copper column 442 arranged on the lower conductor connecting pipe sleeve 7 is inserted into the embedded hole 445 arranged on the upper conductor connecting pipe sleeve 4, the embedded copper column 442 arranged on the upper conductor connecting pipe sleeve 4 is inserted into the embedded hole 445 arranged on the lower conductor connecting pipe sleeve 7, so that the conductive quick lapping of the first cable 1 and the second cable 9 is completed, and a cable lapping appliance is formed by the sealing ring 2, the upper cable locking pipe sleeve 3, the upper conductor connecting pipe sleeve 4, the lower conductor connecting pipe sleeve 7 and the lower cable locking pipe sleeve 8, so as to solve the problem that the manual lapping of the cable needs to go through, the operation is relatively complicated, and the operation worker who needs certain experience can accomplish the overlap joint work of cable to cause and need waste more time in the aspect of the cable overlap joint, make cable construction engineering progress extension, problem that the cost rises.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A cable lapping device structurally comprises a first cable (1), a sealing ring (2), an upper cable locking pipe sleeve (3), an upper conductor connecting pipe sleeve (4), a thread groove (5), a locking spiral ring (6), a lower conductor connecting pipe sleeve (7), a lower cable locking pipe sleeve (8) and a second cable (9), wherein the upper conductor connecting pipe sleeve (4) is provided with the thread groove (5), the upper conductor connecting pipe sleeve (4) is provided with the locking spiral ring (6), the upper end and the lower end of the locking spiral ring (6) are provided with the upper cable locking pipe sleeve (3) and the lower cable locking pipe sleeve (8), the sealing ring (2) is provided with two sealing rings which are respectively arranged on the upper cable locking pipe sleeve (3) and the lower cable locking pipe sleeve (8), the first cable (1) is connected with the upper conductor connecting pipe sleeve (4) through the upper cable locking pipe sleeve (3), the second cable (9) is connected with the lower conductor connecting pipe sleeve (7) through the lower cable locking pipe sleeve (8), the structure formed by the upper cable locking pipe sleeve (3) and the lower cable locking pipe sleeve (8) is the same, the structure formed by the upper conductor connecting pipe sleeve (4) and the lower conductor connecting pipe sleeve (7) is the same, and the cable locking device is characterized in that:

the upper cable locking pipe sleeve (3) is composed of a locking support (31), a moisture-proof pipe sleeve (32), a spring (33), a locking gasket (34), a thorn layer (35) and a sliding rod (36), the locking gasket (34) is arranged inside the moisture-proof pipe sleeve (32), the locking support (31) is arranged on the outer wall of the moisture-proof pipe sleeve (32), the sliding rod (36) is arranged between the locking support (31) and the locking gasket (34), the spring (33) is sleeved on the sliding rod (36), the locking gasket (34) is of an arc-shaped plate-shaped structure, and the thorn layer (35) is arranged on the surface of the locking gasket;

the locking support (31) consists of a screw (311), a support (312), a sliding cylinder (313), a push rod (314) and a sliding joint (315), the screw (311) is arranged at the center of the support (312), the sliding cylinder (313) is arranged below the support (312), the sliding joint (315) is arranged in the moisture-proof pipe sleeve (32), and the push rod (314) is arranged at the bottom of the screw (311);

the upper conductor connecting pipe sleeve (4) consists of an outer cover (41), a moisture absorption ring (42), an insulating ferrule (43), a conductor connecting support (44) and a sealing rubber ring (45), wherein the moisture absorption ring (42) is arranged in the outer cover (41), the insulating ferrule (43) is arranged below the moisture absorption ring (42), the conductor connecting support (44) is arranged at the center of the insulating ferrule (43), and the sealing rubber ring (45) is arranged below the conductor connecting support (44);

the conductor connecting support (44) is composed of an insulating positioning rod (441), an embedded copper column (442), a copper ring (443), conductor positioning buckles (444) and embedded holes (445), the insulating positioning rod (441) is arranged on the outer ring of the copper ring (443), the conductor positioning buckles (444) are arranged on two sides of the copper ring (443), the embedded copper column (442) is arranged at the front end of the copper ring (443), and the embedded holes (445) are arranged at the front end of the copper ring (443).