CN111864463B

CN111864463B - Cable joint for 5G communication base station

Info

Publication number: CN111864463B
Application number: CN202010761064.9A
Authority: CN
Inventors: 徐群
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-10-29
Anticipated expiration: 2040-07-31
Also published as: CN111864463A

Abstract

The invention relates to the technical field of cable connectors, in particular to a cable connector for a 5G communication base station, which comprises a cable body, a fixing structure, a reinforcing structure, a branching structure, a positioning structure and a protection structure, wherein the cable body is provided with a plurality of through holes; can realize through fixed knot structure tentatively fixing between joint and the cable, guarantee that the junction has good tensile property and has good sealed water-proof effects simultaneously, can further promote the joint strength between joint and the cable through reinforced structure, share the pulling force of junction simultaneously, promote tensile effect, can distinguish the inside direction of cable through the separated time structure, avoid obscuring the appearance of and the short circuit condition to the wire of difference, can fix the separated time state of separated time structure through location structure, keep different differentiation states to the wire, can protect the joint inside of accomplishing the installation through protective structure, avoid inside thinner wire to take place to buckle.

Description

Cable joint for 5G communication base station

Technical Field

The invention relates to the technical field of cable connectors, in particular to a cable connector for a 5G communication base station.

Background

The cable connector is also called a cable head. After the cable is laid, the sections of the cable must be connected together in order to form a continuous line, and these connections are called cable connectors. The cable joints at the middle of the cable run are called intermediate joints and the cable joints at the two ends of the run are called termination joints. The cable joint is used for locking and fixing the incoming and outgoing lines, and plays a role in water resistance, dust prevention and vibration prevention. It can be divided into indoor type and outdoor type according to installation place. The mounting materials can be classified into a heat shrinkage type (one of the most common materials), a dry bag type, an epoxy resin casting type and a cold shrinkage type. The cable core material can be divided into a copper core power cable head and an aluminum core power cable head. The cable connector is divided into a plastic cable connector and a metal cable connector according to connector materials. The metal cable joint is divided into a porous metal cable waterproof joint, an anti-bending metal cable joint, a double-locking metal cable waterproof joint, a plastic hose cable joint, a metal hose cable joint and the like.

The inside of part cable can contain many wires, when carrying out the connection of this type of cable, needs distinguish the connection to the inside different circuit, and current cable joint probably can make the connection of inside different wires take place to obscure or the condition of short circuit carrying out the erection joint in-process, takes place to become flexible after using for a long time to joint and cable simultaneously easily.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a cable joint for a 5G communication base station.

The technical scheme adopted by the invention for solving the technical problems is as follows: a cable joint for a G communication base station comprises a cable body, a fixing structure, a reinforcing structure, a branching structure, a positioning structure and a protective structure, the fixing structure for fixing the end part of the cable body is sleeved at one end of the cable body for carrying out electric signal transmission, one side of the fixing structure is provided with the reinforcing structure for further reinforcing the connection state between the fixing structure and the cable body and enhancing the tensile capacity between the fixing structure and the cable body, the other side of the fixing structure is provided with the wire branching structure for stranding and arranging the wires in the cable body, the positioning structure used for fixing the wire distributing structure is arranged between the wire distributing structure and the fixing structure, the end part of the fixing structure is provided with the protection structure for protecting the end part of the cable body after installation;

the fixing structure comprises an installing head, a sleeve and an anti-slip gasket, one end of the cable body is arranged in the installing head, the middle part of the inner side of the installing head is of a conical surface structure, one side of the installing head, which is far away from the cable body, is in threaded connection with the sleeve, one end of the sleeve, which is close to the installing head, is of a conical structure, the middle part of the inner side of the installing head is abutted against the end part of the sleeve, the side surface of the end part of the sleeve is fixedly connected with the anti-slip gasket, and the anti-slip gasket is abutted against the inner side surface of the installing head;

the reinforcing structure comprises a sliding extrusion block, two fixed extrusion blocks, a first clamping groove, a first sliding groove, a positioning block and a first spring, wherein the inner side of the mounting head is fixedly connected with the two fixed extrusion blocks, the sliding extrusion block is arranged between the two fixed extrusion blocks, the side surface of the mounting head is provided with a semicircular arc-shaped first sliding groove, the sliding extrusion block is in sliding connection with the mounting head through the first sliding groove, the side surface of the sliding extrusion block is provided with the first clamping groove, two sides of the first sliding groove arranged on the mounting head are respectively in sliding connection with the positioning block, and the first spring is fixedly connected between the positioning block and the mounting head;

the branching structure comprises a second sliding groove, a branching plate, a third sliding groove, a first limiting block, branching holes and a second limiting block, the branching plate is connected to the interior of the sleeve in a sliding manner, the middle of the branching plate is provided with a plurality of branching holes, the first limiting block and the second limiting block are fixedly connected to two sides of the branching plate respectively, the first limiting block and the second limiting block are arranged oppositely, the second sliding groove and the third sliding groove are formed in the side surface of the sleeve respectively, the first limiting block is connected with the sleeve in a sliding manner through the second sliding groove, and the second limiting block is connected with the sleeve in a sliding manner through the third sliding groove;

the positioning structure comprises an adjusting ring, a second spring, a butting ring, a clamping block and a third spring, the adjusting ring is sleeved on the outer side of the sleeve, the adjusting ring is in threaded connection with the sleeve, the first limiting block and the second limiting block which are arranged at two ends of the distributing plate are in sliding connection with the inner side of the adjusting ring, the clamping block is in sliding connection with the inner side of the adjusting ring, one end of the clamping block is in an inclined surface structure, the third spring is fixedly connected between the other end of the clamping block and the adjusting ring, the butting ring is in sliding connection with the inner side of the sleeve, one side of the butting ring, which is far away from the distributing plate, is fixedly connected with the second spring, and the other end of the second spring is fixedly connected with the sleeve;

protective structure includes protective cover, second draw-in groove, first installation piece, second installation piece and lug, one side fixedly connected with of protective cover first installation piece the second installation piece, first installation piece with the second installation piece passes through respectively set up on the sleeve pipe the second spout with the third spout with sleeve pipe sliding connection, set up on the sleeve pipe the second draw-in groove, first installation piece with the side of second installation piece is equipped with respectively the lug, the lug passes through the second draw-in groove with sleeve pipe looks block.

The invention has the beneficial effects that:

(1) according to the cable joint for the 5G communication base station, the joint and the cable can be preliminarily fixed through the fixing structure, the joint is guaranteed to have good tensile property and good sealing and waterproof effects, the connection strength between the joint and the cable can be further improved through the reinforcing structure, meanwhile, the tensile force at the joint is shared, and the tensile effect is improved; namely: firstly, the mounting head is sleeved on the cable body, then the end part of the sleeve is arranged in the rubber part of the cable body, so that the rubber of the cable body is coated on the tapered end of the sleeve, the mounting head is in threaded connection with the sleeve, the middle part of the inner side of the mounting head is of an inclined plane structure, the mounting head is gradually screwed tightly with the sleeve, so that the rubber part of the cable body is clamped, the connection firmness is ensured, meanwhile, the tapered end of the sleeve is provided with an anti-slip gasket, the waterproof performance of the joint is improved while the connection stability is ensured, after the connection between the mounting head and the sleeve is completed, in order to improve the tensile performance of the joint, a sliding extrusion block arranged at one side of the mounting head needs to be rotated, and after the sliding extrusion block slides to the other end of the first chute, a positioning block arranged on the mounting head can be clamped with the mounting head through the first clamping groove under the pushing of the first spring, therefore, the position of the sliding extrusion block is fixed, the sliding extrusion block slides away from the two fixed extrusion blocks along with the sliding extrusion block, so that the sliding extrusion block and the fixed extrusion blocks can clamp the cable body in the installation head together, and the tensile property of the cable connection part is enhanced.

(2) According to the cable joint for the 5G communication base station, the guidance inside the cable can be distinguished through the branching structure, the situation that different wires are mixed up and short-circuited is avoided, the branching state of the branching structure can be fixed through the positioning structure, and the distinguishing states of different wires are kept; namely: firstly, the end part of a cable body passing through a sleeve is cut off, different wires are distinguished, different wires are sequentially passed through wire dividing holes formed in a wire dividing plate, different wires are naturally separated, confusion is avoided, in order to guarantee the correct state when the wire dividing plate is placed in the sleeve, two sides of the wire dividing plate are respectively arranged on a first limiting block and a second limiting block, the first limiting block and the second limiting block are sequentially connected with a second sliding groove and a third sliding groove in a sliding mode, the wire dividing plate can be correctly installed, the correct wire sequence is guaranteed, after the installation of the wire dividing plate is completed, in order to fix the position of the wire dividing plate, the first limiting block and the second limiting block arranged on two sides of the wire dividing plate are required to be embedded into the inner side of an adjusting ring, a clamping block is arranged on the side surface of the adjusting ring, and the embedded first limiting block and the second limiting block can be fixed, sliding connection between first stopper and second stopper and the regulation circle rotates the regulation circle and can change the position of separated time board in the cover pipe, and one side and the conflict circle of up to the separated time board are inconsistent, through the promotion effect of second spring for the position to the separated time board is fixed, conveniently carries out the connection of circuit.

(3) According to the cable joint for the 5G communication base station, the interior of the joint which is installed can be protected through the protection structure, and the thin wires in the joint are prevented from being bent; namely: accomplish the installation back of separated time board, in order to carry out interim protection to the inside circuit of accomplishing the differentiation of sleeve pipe, the user can seal sheathed tube tip through the protective cover, and the protective cover can carry out the gomphosis and fix through the lug that first installation piece and second installation piece side set up with the sleeve pipe through the first installation piece that one side set up with the second installation piece, avoids the protective cover to take place to drop, plays certain protecting effect to inside cable.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of an overall structure of a cable connector for a 5G communication base station according to a preferred embodiment of the present invention;

figure 2 is a schematic view of the connection of the securing structure and the clamping structure shown in figure 1;

FIG. 3 is an enlarged view of the structure A shown in FIG. 2;

FIG. 4 is a schematic view of the connection structure of the line splitting structure and the positioning structure shown in FIG. 1;

FIG. 5 is an enlarged view of the structure B shown in FIG. 4;

fig. 6 is a schematic structural view of the protective structure shown in fig. 1.

In the figure: 1. the cable comprises a cable body, 2, a fixing structure, 21, an installing head, 22, a sleeve, 23, an anti-slip gasket, 3, a reinforcing structure, 31, a sliding extrusion block, 32, a fixed extrusion block, 33, a first clamping groove, 34, a first sliding groove, 35, a positioning block, 36, a first spring, 4, a branching structure, 41, a second sliding groove, 42, a branching plate, 43, a third sliding groove, 44, a first limiting block, 45, a branching hole, 46, a second limiting block, 5, a positioning structure, 51, an adjusting ring, 52, a second spring, 53, an abutting ring, 54, a clamping block, 55, a third spring, 6, a protective structure, 61, a protective cover, 62, a second clamping groove, 63, a first installing block, 64, a second installing block, 65 and a convex block.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, a cable joint for a 5G communication base station according to the present invention includes a cable body 1, a fixing structure 2, a reinforcing structure 3, a branching structure 4, a positioning structure 5, and a protection structure 6, wherein the fixing structure 2 for fixing an end of the cable body 1 is sleeved at one end of the cable body 1 for electrical signal transmission, the reinforcing structure 3 for further reinforcing a connection state between the fixing structure 2 and the cable body 1 and enhancing a tensile strength between the fixing structure 2 and the cable body 1 is disposed at one side of the fixing structure 2, the branching structure 4 for stranding and arranging wires in the cable body 1 is disposed at the other side of the fixing structure 2, the positioning structure 5 for fixing the branching structure 4 is disposed between the branching structure 4 and the fixing structure 2, the end part of the fixing structure 2 is provided with the protection structure 6 for protecting the end part of the cable body 1 after installation;

the fixing structure 2 comprises an installing head 21, a sleeve 22 and an anti-slip gasket 23, one end of the cable body 1 is arranged inside the installing head 21, the middle part of the inner side of the installing head 21 is of a conical surface structure, one side of the installing head 21, which is far away from the cable body 1, is in threaded connection with the sleeve 22, one end, close to the installing head 21, of the sleeve 22 is of a conical structure, the middle part of the inner side of the installing head 21 is abutted against the end part of the sleeve 22, the side surface of the end part of the sleeve 22 is fixedly connected with the anti-slip gasket 23, the anti-slip gasket 23 is abutted against the inner side surface of the installing head 21, the installing head 21 is firstly sleeved on the cable body 1, then the end part of the sleeve 22 is arranged inside the rubber part of the cable body 1, so that the rubber of the cable body 1 is wrapped on the conical end of the sleeve 22, the mounting head 21 and the sleeve 22 are connected through threads, because the middle part of the inner side of the mounting head 21 is of an inclined plane structure, the mounting head 21 and the sleeve 22 are gradually screwed tightly, so that the rubber part of the cable body 1 is clamped, the connection firmness is ensured, and meanwhile, the anti-slip gasket 23 is arranged at the tapered end of the sleeve 22, so that the connection stability is ensured, and the waterproof performance of the connection part is improved;

the reinforcing structure 3 includes a sliding extrusion block 31, two fixed extrusion blocks 32, a first slot 33, a first sliding slot 34, a positioning block 35 and a first spring 36, the inner side of the mounting head 21 is fixedly connected with the two fixed extrusion blocks 32, the sliding extrusion block 31 is arranged between the two fixed extrusion blocks 32, the side surface of the mounting head 21 is provided with a semi-arc-shaped first sliding slot 34, the sliding extrusion block 31 is connected with the mounting head 21 through the first sliding slot 34 in a sliding manner, the side surface of the sliding extrusion block 31 is provided with the first slot 33, two sides of the first sliding slot 34 provided on the mounting head 21 are respectively connected with the positioning block 35 in a sliding manner, the first spring 36 is fixedly connected between the positioning block 35 and the mounting head 21, and after the connection between the mounting head 21 and the sleeve 22 is completed, in order to improve the tensile strength of the connection, the sliding and pressing block 31 arranged on one side of the mounting head 21 needs to be rotated, after the sliding and pressing block 31 slides to the other end of the first sliding chute 34, the positioning block 35 arranged on the mounting head 21 is pushed by the first spring 36 to be clamped with the mounting head 21 through the first clamping groove 33, so as to fix the position of the sliding and pressing block 31, and as the sliding and pressing block 31 slides away from the two fixed and pressing blocks 32, the sliding and pressing block 31 and the fixed and pressing blocks 32 can clamp the cable body 1 positioned in the mounting head 21 together, so as to enhance the tensile performance of the cable connection;

the wire distributing structure 4 includes a second sliding groove 41, a wire distributing plate 42, a third sliding groove 43, a first limiting block 44, a wire distributing hole 45 and a second limiting block 46, the wire distributing plate 42 is slidably connected to the inside of the bushing 22, the middle portion of the wire distributing plate 42 is provided with a plurality of wire distributing holes 45, two sides of the wire distributing plate 42 are fixedly connected with the first limiting block 44 and the second limiting block 46 respectively, the first limiting block 44 and the second limiting block 46 are arranged oppositely, the side surface of the bushing 22 is provided with the second sliding groove 41 and the third sliding groove 43 respectively, the first limiting block 44 is slidably connected with the bushing 22 through the second sliding groove 41, the second limiting block 46 is slidably connected with the bushing 22 through the third sliding groove 43, the end portion of the cable body 1 passing through the bushing is firstly cut off, and different constituent wires therein are distinguished, different wires sequentially penetrate through the wire distributing holes 45 formed in the wire distributing plate 42, so that the different wires are naturally separated, confusion is avoided, in order to ensure a correct state when the wire distributing plate 42 is placed in the sleeve 22, two sides of the wire distributing plate 42 are respectively arranged on the first limiting block 44 and the second limiting block 46, the first limiting block 44 and the second limiting block 46 are sequentially in sliding connection with the second sliding groove 41 and the third sliding groove 43, and the wire distributing plate 42 can be correctly installed, so that a correct wire sequence is ensured;

the positioning structure 5 comprises an adjusting ring 51, a second spring 52, a butting ring 53, a clamping block 54 and a third spring 55, the adjusting ring 51 is sleeved on the outer side of the sleeve 22, the adjusting ring 51 is in threaded connection with the sleeve 22, the first limiting block 44 and the second limiting block 46 which are arranged at two ends of the wire dividing plate 42 are in sliding connection with the inner side of the adjusting ring 51, the clamping block 54 is in sliding connection with the inner side of the adjusting ring 51, one end of the clamping block 54 is in an inclined plane structure, the third spring 55 is fixedly connected between the other end of the clamping block 54 and the adjusting ring 51, the butting ring 53 is in sliding connection with the inner side of the sleeve 22, one side of the butting ring 53, which is deviated from the wire dividing plate 42, is fixedly connected with the second spring 52, the other end of the second spring 52 is fixedly connected with the sleeve 22, after the installation of the wire dividing plate 42 is completed, in order to fix the position of the wire distributing plate 42, the first limiting block 44 and the second limiting block 46 disposed at two sides of the wire distributing plate 42 are required to be embedded into the inner side of the adjusting ring 51, the engaging block 54 is disposed at a side surface of the adjusting ring 51, the embedded first limiting block 44 and the embedded second limiting block 46 can be fixed, the first limiting block 44 and the second limiting block 46 are slidably connected with the adjusting ring 51, the position of the wire distributing plate 42 in the sleeve 22 can be changed by rotating the adjusting ring 51 until one side of the wire distributing plate 42 is in contact with the contact ring 53, and the position of the wire distributing plate 42 is fixed by the pushing effect of the second spring 52, so that the connection of a line is facilitated;

the protection structure 6 includes a protection cover 61, a second engaging groove 62, a first mounting block 63, a second mounting block 64 and a protruding block 65, one side of the protection cover 61 is fixedly connected with the first mounting block 63 and the second mounting block 64, the first mounting block 63 and the second mounting block 64 are slidably connected to the casing 22 through the second sliding groove 41 and the third sliding groove 43 formed on the casing 22, the second engaging groove 62 is formed on the casing 22, the protruding block 65 is respectively disposed on the side surfaces of the first mounting block 63 and the second mounting block 64, the protruding block 65 is engaged with the casing 22 through the second engaging groove 62, after the installation of the distribution board 42 is completed, in order to temporarily protect the line distinguished inside the casing 22, a user can seal the end of the casing 22 through the protection cover 61, the protective cover 61 can be arranged through one side, the first mounting block 63 and the second mounting block 64 are embedded in the sleeve 22, the first mounting block 63 and the second mounting block 64 are arranged on the side face, the protruding block 65 is fixed, the protective cover 61 is prevented from falling off, and a certain protective effect is achieved on internal cables.

When the invention is used, firstly, the mounting head 21 is sleeved on the cable body 1, then the end part of the sleeve 22 is arranged in the rubber part of the cable body 1, so that the rubber of the cable body 1 is coated on the tapered end of the sleeve 22, the mounting head 21 is in threaded connection with the sleeve 22, because the middle part of the inner side of the mounting head 21 is of an inclined plane structure, the rubber part of the cable body 1 is clamped and fixed along with the gradual screwing between the mounting head 21 and the sleeve 22, the connection firmness is ensured, meanwhile, the tapered end of the sleeve 22 is provided with the anti-slip gasket 23, the waterproof performance of the connection part is improved while the connection stability is ensured, after the connection between the mounting head 21 and the sleeve 22 is completed, in order to improve the tensile performance of the connection part, the sliding extrusion block 31 arranged at one side of the mounting head 21 is required to be rotated, and after the sliding extrusion block 31 slides to the other end of the first chute 34, the positioning block 35 arranged on the mounting head 21 is clamped with the mounting head 21 through the first clamping groove 33 under the pushing of the first spring 36, so as to fix the position of the sliding extrusion block 31, and as the sliding extrusion block 31 slides away from the two fixed extrusion blocks 32, the sliding extrusion block 31 and the fixed extrusion blocks 32 can clamp the cable body 1 in the mounting head 21 together, thereby enhancing the tensile strength of the cable connection, firstly, the end of the cable body 1 passing through the bushing is cut off, and different component wires are distinguished, different wires are sequentially passed through the wire dividing holes 45 formed on the wire dividing board 42, so that different wires are naturally separated, thereby avoiding confusion, in order to ensure the correct state of the wire dividing board 42 when being placed in the bushing 22, two sides of the wire dividing board 42 are respectively arranged on the first limiting block 44 and the second limiting block 46, the first limiting block 44 and the second limiting block 46 are sequentially connected with the second sliding groove 41 and the third sliding groove 43 in a sliding manner, after the branching board 42 is installed, in order to fix the position of the branching board 42, a first limiting block 44 and a second limiting block 46 arranged at two sides of the branching board 42 need to be embedded into the inner side of an adjusting ring 51, a clamping block 54 is arranged at the side surface of the adjusting ring 51, the embedded first limiting block 44 and the embedded second limiting block 46 can be fixed, the first limiting block 44, the second limiting block 46 and the adjusting ring 51 are connected in a sliding manner, the position of the branching board 42 in the sleeve 22 can be changed by rotating the adjusting ring 51 until one side of the branching board 42 is contacted with the contact ring 53, the position of the branching board 42 is fixed by the pushing effect of a second spring 52, the connection of a line is facilitated, after the branching board 42 is installed, in order to temporarily protect the line distinguished in the sleeve 22, the user can seal the tip of sleeve pipe 22 through protective cover 61, and protective cover 61 can carry out the gomphosis and fix through first installation piece 63 and the lug 65 that the second installation piece 64 side set up through first installation piece 63 and the sleeve pipe 22 of one side setting, avoids protective cover 61 to take place to drop, plays certain protective effect to the cable of inside.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 joint for a 5G communication base station is characterized by comprising a cable body (1), a fixing structure (2), a reinforcing structure (3), a branching structure (4), a positioning structure (5) and a protective structure (6), wherein the fixing structure (2) for fixing the end part of the cable body (1) is sleeved at one end of the cable body (1) for transmitting electric signals, the reinforcing structure (3) for further reinforcing the connection state between the fixing structure (2) and the cable body (1) and enhancing the tensile capacity between the fixing structure (2) and the cable body (1) is arranged at one side of the fixing structure (2), the branching structure (4) for stranding and arranging wires in the cable body (1) is arranged at the other side of the fixing structure (2), the positioning structure (5) used for fixing the branching structure (4) is arranged between the branching structure (4) and the fixing structure (2), and the protection structure (6) used for protecting the end part of the cable body (1) which is installed is arranged at the end part of the fixing structure (2);

the fixing structure (2) comprises an installing head (21), a sleeve (22) and an anti-slip gasket (23), one end of the cable body (1) is arranged inside the installing head (21), the middle part of the inner side of the installing head (21) is of a conical surface structure, one side, away from the cable body (1), of the installing head (21) is in threaded connection with the sleeve (22), one end, close to the installing head (21), of the sleeve (22) is of a conical structure, the middle part of the inner side of the installing head (21) is abutted to the end part of the sleeve (22), the anti-slip gasket (23) is fixedly connected to the side face of the end part of the sleeve (22), and the anti-slip gasket (23) is abutted to the inner side face of the installing head (21);

the reinforcing structure (3) comprises a sliding extrusion block (31), a fixed extrusion block (32), a first clamping groove (33), a first sliding groove (34), a positioning block (35) and a first spring (36), the inner side of the mounting head (21) is fixedly connected with two fixed extrusion blocks (32), a sliding extrusion block (31) is arranged between the two fixed extrusion blocks (32), the side surface of the mounting head (21) is provided with a semi-circular arc-shaped first chute (34), the sliding extrusion block (31) is connected with the mounting head (21) in a sliding way through the first chute (34), the side surface of the sliding extrusion block (31) is provided with a first clamping groove (33), the two sides of the first sliding chute (34) arranged on the mounting head (21) are respectively connected with the positioning blocks (35) in a sliding way, the first spring (36) is fixedly connected between the positioning block (35) and the mounting head (21);

the wire distributing structure (4) comprises a second sliding groove (41), a wire distributing plate (42), a third sliding groove (43), a first limiting block (44), a wire distributing hole (45) and a second limiting block (46), the interior of the sleeve (22) is connected with the branching plate (42) in a sliding way, the middle part of the branching plate (42) is provided with a plurality of branching holes (45), the two sides of the distributing board (42) are respectively and fixedly connected with the first limiting block (44) and the second limiting block (46), the first limiting block (44) and the second limiting block (46) are arranged oppositely, the side surface of the sleeve (22) is respectively provided with the second sliding chute (41) and the third sliding chute (43), the first limiting block (44) is connected with the sleeve (22) in a sliding way through the second sliding groove (41), the second limiting block (46) is connected with the sleeve (22) in a sliding mode through the third sliding groove (43);

the positioning structure (5) comprises an adjusting ring (51), a second spring (52), a butting ring (53), a clamping block (54) and a third spring (55), the adjusting ring (51) is sleeved on the outer side of the sleeve (22), the adjusting ring (51) is in threaded connection with the sleeve (22), the first limiting block (44) and the second limiting block (46) which are arranged at the two ends of the wire distribution plate (42) are in sliding connection with the inner side of the adjusting ring (51), the clamping block (54) is in sliding connection with the inner side of the adjusting ring (51), one end of the clamping block (54) is in an inclined plane structure, the other end of the clamping block (54) is fixedly connected with the third spring (55) between the adjusting ring (51), the inner side of the sleeve (22) is in sliding connection with the butting ring (53), and the second spring (52) is fixedly connected with one side of the butting ring (53) departing from the wire distribution plate (42), the other end of the second spring (52) is fixedly connected to the sleeve (22);

protective structure (6) include protective cover (61), second draw-in groove (62), first installation piece (63), second installation piece (64) and lug (65), one side fixedly connected with of protective cover (61) first installation piece (63) second installation piece (64), first installation piece (63) with second installation piece (64) pass through respectively set up on sleeve pipe (22) second spout (41) with third spout (43) with sleeve pipe (22) sliding connection, set up on sleeve pipe (22) second draw-in groove (62), first installation piece (63) with the side of second installation piece (64) is equipped with respectively lug (65), lug (65) pass through second draw-in groove (62) with sleeve pipe (22) looks block.