CN113488953B

CN113488953B - Cable branch connecting mechanism with anti-winding function

Info

Publication number: CN113488953B
Application number: CN202111037671.1A
Authority: CN
Inventors: 张神锋; 张忠
Original assignee: Nantong Lailong Electrical Equipment Co ltd
Current assignee: Nantong Lailong Electrical Equipment Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2021-11-09
Anticipated expiration: 2041-09-06
Also published as: CN113488953A

Abstract

The invention discloses a cable branch connecting mechanism with an anti-winding function, which comprises a main cable, a branch cable, a connecting shaft, an outer shaft sleeve and a connecting shaft seat, wherein the main cable or the branch cable is inserted on the connecting shaft seat, the outer shaft sleeve is in threaded connection with the connecting shaft seat, the cable is fixed on the connecting shaft seat by the outer shaft sleeve, the outer shaft sleeve and the connecting shaft seat are inserted into the connecting shaft, four groups of contraction parts are annularly arranged on the connecting shaft seat, a punching knife is arranged between every two adjacent groups of contraction parts, the front end of the punching knife protrudes out of the front end of the contraction part, the punching knife punches a covering layer on the outer layer of the cable to ensure that a conductor wrapped by the covering layer is inserted into the connecting shaft seat, the broken covering layer covers the contraction part under the condition of continuous manual pushing, the outer shaft sleeve is sleeved on the cable, the outer shaft sleeve is in threaded connection with the connecting shaft seat to extrude the covering layer and the contraction part to ensure that the contraction part contracts and extrude the conductor on the inner side, through the cooperation of outer axle sleeve and shrink portion, improved stability and firm degree of cable mounting on coupling mechanism.

Description

Cable branch connecting mechanism with anti-winding function

Technical Field

The invention relates to the technical field of cable installation, in particular to a cable branch connecting mechanism with an anti-winding function.

Background

In the power industry, cables transmit power to various electric devices, and when distributing power, a cable connection mechanism is often used to connect a main cable and a branch cable, so as to transmit power from the main cable to the branch cable, and further transmit power to the electric devices.

In the prior art, when a branch cable is connected with a main cable, a C-shaped pipe is generally adopted to connect a main cable conductor and a branch cable conductor, but the problem that the crimping strength is difficult to master exists in the crimping process, and if the crimping is too loose, the connection is unreliable and is easy to loosen and fall off; the over-tight crimping can result in conductor strand breakage and even conductor total breakage.

Moreover, due to the limitations of the field construction environment and the skill of the constructor, the sealing property, the waterproof property, the reliability and the safety between the branch cable and the main cable are not ensured.

Disclosure of Invention

The present invention is directed to a cable branch connection mechanism with anti-twisting function, so as to solve the problems mentioned in the background art.

In order to solve the technical problems, the invention provides the following technical scheme: a cable branch connecting mechanism with an anti-winding function comprises a main cable, a branch cable, a connecting shaft, at least one group of outer shaft sleeves and at least one group of connecting shaft seats, wherein the main cable or the branch cable is inserted into the connecting shaft seats;

each group of outer sleeves is provided with a truncated cone-shaped extrusion groove;

each group of the shaft connecting seat is annularly provided with four groups of contraction parts, a stamping knife is arranged between every two adjacent groups of contraction parts, the front end of the stamping knife protrudes out of the front end of the contraction part, the stamping knife breaks the covering layer on the outer layer of the cable, the broken covering layer covers the contraction parts, and the conductors wrapped by the covering layer are inserted into the shaft connecting seat;

the outer shaft sleeve extrudes the contraction part through the extrusion groove.

The punch knife breaks the covering layer on the outer layer of the cable, so that the conductor wrapped by the covering layer is inserted into the shaft connecting seat, the broken covering layer covers the contraction part under the condition of continuous manual pushing, the outer shaft sleeve is sleeved on the cable, when the outer shaft sleeve is in threaded connection with the shaft connecting seat, the covering layer and the contraction part are extruded, the contraction part is contracted and extrudes the conductor on the inner side, the stability and the firmness of the cable arranged on the connecting mechanism are improved through the matching of the outer shaft sleeve and the contraction part, the outer shaft sleeve and the contraction part are matched with each other to fix the main cable or the branch cable, the main cable is communicated with the circuit of the branch cable through being embedded into the shaft connecting seat, the outer shaft sleeve and the shaft connecting seat are inserted into the shaft connecting seat, the connection between the main cable and the branch cable can be realized, the quick connection between the main cable and the branch cable is realized, the shaft connecting seat breaks the covering layer through the punch knife, and the step of manually removing the covering layer is saved, the efficiency of main cable and branch cable connection has been improved, can insert a plurality of groups axle bed and outer axle sleeve on the connecting axle to make the circuit intercommunication of a plurality of groups branch cable and main cable.

The connecting shaft comprises an end shaft and at least one group of middle shafts, at least one group of embedding cavities are formed in the end shaft and each group of middle shafts, two groups of sealing plates are symmetrically arranged on each embedding cavity, clamping jaws are arranged on the inner sides of the sealing plates of each group in the embedding cavities, a connecting table is arranged in the middle of each embedding cavity, bosses are arranged on the clamping jaws of each group, and the clamping jaws are rotatably connected with the sealing plates. The outer shaft sleeve is screwed on the shaft connecting seat through threads, the outer shaft sleeve and the shaft connecting seat are inserted into the embedding cavity together, the sealing plate seals the inner space of the embedding cavity, when a main cable and a branch cable are required to be connected together, the two groups of sealing plates are opened, the shaft connecting seat and the outer shaft sleeve push the clamping jaw, the clamping jaw rotates in the end shaft or the middle shaft, after the outer shaft sleeve and the shaft connecting seat are inserted into the embedding cavity, the clamping jaw blocks the outer shaft sleeve through the boss, the outer shaft sleeve and the shaft connecting seat are prevented from being separated from the end shaft or the middle shaft, then the sealing plate is closed, after the shaft connecting seat is inserted into the embedding cavity, the connecting table is embedded into the shaft connecting seat, the shaft connecting seat is communicated with a circuit inside the connecting shaft, and therefore the main cable is convenient to be connected with the branch cable through the connecting table and the internal circuit.

Each group of sealing plates is provided with a half-tooth block, the half-tooth block is rotationally connected with an end shaft or a middle shaft, one end of the half-tooth block is semicircular, and a first separating gear tooth is arranged at one semicircular end;

jack catch one end is provided with switching portion, switching portion and end shaft or axis rotate to be connected, are provided with the second and separate the teeth of a cogwheel in the switching portion. The half-tooth block provides support for the rotation of the sealing plate, the rotary connection of the claws at the switching part provides support, the left part or the right part of one semicircular end is provided with a first separating gear tooth, the right part or the left part of the switching part is provided with a second separating gear tooth, when the sealing plate is parallel to the jaw, the first separating gear teeth and the second separating gear teeth start to be meshed, when the outer shaft sleeve and the shaft connecting seat need to be pulled out from the embedding cavity, the sealing plate needs to be opened firstly to enable the sealing plate to be parallel to the jaw, at the moment, the first separating gear teeth and the second separating gear teeth start to be meshed, then, the closing plate rotates certain angle once more, and the closing plate drives the jack catch through the meshing of first separation teeth of a cogwheel and second separation teeth of a cogwheel and rotates, makes the jack catch toward keeping away from one side of outer axle sleeve and rotate certain angle in end shaft or axis, makes the boss lose the effect of blockking to outer axle sleeve to make outer axle sleeve and even axle seat take out from the embedding chamber.

The end shaft and the middle shaft are both provided with a connecting cavity, a connecting sleeve is arranged in the connecting cavity, an insulating sleeve is sleeved outside the connecting sleeve, a claw ring is sleeved outside the insulating sleeve, and a gap is formed between one end of the claw ring and the end surface of the connecting cavity;

each group of the middle shafts are provided with connecting shafts, and the middle shafts are provided with connecting claws at the outer sides of the connecting shafts. The connecting shaft on the middle shaft is inserted into the connecting sleeve of the end shaft, so that the middle shaft is connected with the internal circuit of the end shaft, the connecting shaft on the middle shaft in the next group is inserted into the connecting sleeve on the middle shaft in the last group, so that the circuits in the two groups of middle shafts are connected together, a plurality of groups of branch cables can be connected with the main cable through the arrangement of the middle shaft and the end shaft, the insulating sleeve carries out insulation protection on the connecting sleeve, after the connecting shaft is inserted into the connecting sleeve, the connecting claw is clamped on the claw ring, so that the middle shaft is connected with the end shaft, the connecting claw is rotatably connected with the claw ring, so that the middle shaft can rotate with the end shaft and between every two groups of middle shafts, and the rotation of the middle shaft with the end shaft and the rotation of the middle shaft can prevent the main cable and the branch cables from being wound together no matter how the main cable or the branch cable swings.

A central control air bag is arranged on each group of the central shafts at the outer side of the connecting shaft, and an outer plate is arranged on the outer side of the central control air bag;

each group of the connecting claws are rotatably connected with the middle shaft, the connecting claws are provided with rotating air bags, the rotating air bags are positioned inside the middle shaft, and the rotating air bags are connected with a central control air bag pipeline. When the central control air bag expands, the central control air bag pushes the central shaft and the end shaft outwards to enable the clamping between the connecting claws and the claw rings to be tighter, the connection between the central shaft and the end shaft and the central shaft and the connection between the central shaft and the central shaft are tighter through the expansion of the central control air bag, meanwhile, the sealing performance between the middle shaft and the end shaft is improved.

Each group of the connecting shaft seats is provided with a threaded pipe, and four groups of the contraction parts and four groups of the punching knives are arranged on the threaded pipes;

the cross section of each group of the contraction part is triangular, and saw teeth are arranged on the contraction part. When the shrink portion was extruded by outer axle sleeve and is shrunk, the shrink portion carried out the centre gripping to the conductor through the sawtooth, made conductor part take place deformation through the sawtooth, inlayed on the conductor to the sawtooth, through increasing the stability of shrink portion centre gripping to the conductor, outer axle sleeve passes through the screwed pipe and twists on even axle bed.

Each group of the connecting shaft seats is provided with an insertion groove, an electrode plate is arranged inside the insertion groove, and a hoop is arranged inside the insertion groove;

the spring pad is sleeved on the outer side of the threaded pipe and connected with the hoop pipeline;

the linking platform is embedded into the insertion groove and is tightly connected with the electrode plate. Conductor and electrode slice contact in the cable, make cable and electrode slice connect, it connects platform and electrode slice zonulae occludens to link up the platform, it passes through electrode slice and cable junction to link up the platform, the spring pad comprises gasbag and push pedal, when outer axle sleeve is screwed up on the screwed pipe, outer axle sleeve extrudees the gasbag through the push pedal, make the air in the gasbag enter into the hoop, make the diameter of hoop reduce, make the hoop carry out the shrink of diameter in the conductor outside, make hoop conductor, thereby make the conductor and link the connection between the axle seat more firm. After the outer shaft sleeve is screwed on the threaded pipe to a certain position, the air bag is compressed to a certain degree by the outer shaft sleeve, namely, the air quantity infused into the hoop by the air bag is certain, namely, the contraction distance of the hoop is certain, namely, the tightening force of the hoop on the conductor is certain, and the effect of fixing the conductor quantitatively (quantitatively, namely, fixed force or force) is realized through the arrangement of the outer shaft sleeve, the threaded pipe and the spring pad.

The spring cushion consists of an air bag and a push plate;

the hoop comprises an inner rod and a rod sleeve sleeved outside the inner rod, one end of the inner rod is fixed with the rod sleeve, and the other end of the inner rod is connected with the rod sleeve in a sliding manner;

the air bag is connected with the rod sleeve pipeline. Air in the air bag enters the rod sleeve, the air pushes the baffle at one end of the inner rod to enable the inner rod to slide in the rod sleeve, and the sliding of the inner rod pulls the rod sleeve to bend, so that the diameter of a hoop formed by the inner rod and the rod sleeve is reduced.

Compared with the prior art, the invention has the following beneficial effects: the outer shaft sleeve is screwed on the threaded pipe through threads, and along with continuous screwing of the outer shaft sleeve, the outer shaft sleeve continuously extrudes the air bag through the push plate, so that the diameter of the hoop is reduced, and the conductor is locked inside the insertion groove by the hoop. In the process of continuously screwing, the outer shaft sleeve extrudes the contraction part through the extrusion groove, so that one end of the contraction part is contracted, the conductor is clamped again, the conductor is blocked in the insertion groove again, and the connection firmness between the conductor and the connecting shaft seat is increased; the outer shaft sleeve and the contraction part are mutually matched to extrude the covering layer, so that the covering layer is fixed between the outer shaft sleeve and the connecting shaft seat, the sealing performance and the waterproofness between the cable and the outer shaft sleeve and between the cable and the connecting shaft seat are improved, and the sealing performance and the waterproofness between the main cable and the branch cable are further ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a coupling shaft of the present invention;

FIG. 2 is a schematic view of the outer hub and hub of the present invention connecting a cable;

FIG. 3 is a schematic view of the interior of the insert chamber of the present invention;

FIG. 4 is a front half-section view of an end shaft of the present invention;

FIG. 5 is a schematic view of the bottom bracket structure of the present invention;

FIG. 6 is a schematic structural diagram of the area A in FIG. 3 according to the present invention;

FIG. 7 is a schematic view of a front view of the seal plate of the present invention;

FIG. 8 is a schematic top view of the seal plate of the present invention in connection with the jaws;

FIG. 9 is a schematic view of the engagement between the half-tooth block and the adapter of the present invention;

FIG. 10 is a schematic view showing a structure in which the outer sleeve of the present invention is pressed against the cover layer;

FIG. 11 is a schematic view of the internal structure of the outer hub of the present invention;

FIG. 12 is a front view of the coupling base of the present invention;

FIG. 13 is a right side half sectional view of a threaded tubular of the present invention;

FIG. 14 is a schematic top view of the coupling base of the present invention;

FIG. 15 is a schematic view of the internal structure of the coupling base according to the present invention;

FIG. 16 is a front half-sectional view of the coupling boss of the present invention;

FIG. 17 is a schematic view of the hoop structure of the present invention.

In the figure: 1. a connecting shaft; 2. an outer sleeve; 3. a shaft connecting seat; 101. an end shaft; 102. a middle shaft; 1021. a connecting shaft; 1022. a joining claw; 1023. a central control air bag; 1024. an outer plate; 103. an embedding cavity; 104. a sealing plate; 1041. a half-tooth block; 1042. a first separator tooth; 105. a claw; 1051. a boss; 1052. a second separator tooth; 106. a joining station; 107. a connecting sleeve; 108. an insulating sleeve; 109. a claw ring; 301. a threaded pipe; 3011. a constriction; 302. punching a cutter; 303. a spring pad; 3031. pushing the plate; 304. a hoop; 3041. an inner rod; 3042. a rod sleeve; 305. an electrode sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-17, the present invention provides the following technical solutions: the utility model provides a cable branch coupling mechanism with antiwind function, includes main cable, branch cable, still includes axle 1, at least a set of outer axle sleeve 2, at least a set of axle bed 3 of connecting, and main cable or branch cable insert on axle bed 3 of connecting, and every outer axle sleeve 2 of group all with axle bed 3 threaded connection, outer axle sleeve 2 with the cable fix on axle bed 3 of connecting, outer axle sleeve 2 and axle bed 3 insert in axle 1 of connecting.

The connecting shaft 1 comprises an end shaft 101 and at least one group of middle shafts 102, the end shaft 101 and the middle shafts 102 are pentagonal prisms, a group of embedding cavities 103 are formed in the end face of each group of side ends of the end shaft 101 and each group of middle shafts 102, two groups of sealing plates 104 are symmetrically arranged on the outer sides of the embedding cavities 103, clamping jaws 105 are rotatably arranged on the inner sides of the sealing plates 104 in the embedding cavities 103, the clamping jaws 105 are rotatably connected with the sealing plates 104, a connecting table 106 is fixed in the middle of the embedding cavities 103, and the connecting table 106 is connected with circuits, namely conductors, in the end shaft 101 and the middle shafts 102.

Each group of sealing plates 104 is fixed with a half-tooth block 1041, the half-tooth block 1041 is rotatably connected with the end shaft 101 or the middle shaft 102, one end of the half-tooth block 1041 is semicircular, and the semicircular end is divided into a left part and a right part;

two groups of half-tooth blocks 1041 are symmetrically installed outside the embedding cavity 103, a first separating gear tooth 1042 is installed on the left part of the semicircular end of one group of half-tooth blocks 1041, and a first separating gear tooth 1042 is installed on the right part of the semicircular end of the other group of half-tooth blocks 1041.

Each group of claws 105 is fixedly provided with a boss 1051, one end of each claw 105 is provided with a switching part, the switching parts are rotationally connected with the end shaft 101 or the middle shaft 102 and are divided into a left part and a right part, the two groups of switching parts in each group of embedded cavities 103 are symmetrically arranged, the left part of one group of switching parts is fixedly provided with a second separating gear tooth 1052, and the right part of the other group of switching parts is fixedly provided with a second separating gear tooth 1052.

The half block 1041 of which the left part is provided with the first separating gear teeth 1042 is rotationally connected with the adapter part of which the right part is provided with the second separating gear teeth 1052, and the half block 1041 of which the right part is provided with the first separating gear teeth 1042 is rotationally connected with the adapter part of which the left part is provided with the second separating gear teeth 1052.

End axle 101 and axis 102 all have seted up linking chamber on, are fixed with linking cover 107 in the linking chamber, and the cover is equipped with insulating cover 108 in the linking cover 107 outside, and insulating cover 108 outside cover is equipped with claw ring 109, has the space between claw ring 109 one end and the linking chamber terminal surface.

Each group of the middle shafts 102 is fixed with a connecting shaft 1021, and the middle shafts 102 are rotatably provided with connecting claws 1022 on the outer sides of the connecting shafts 1021.

The central control air bags 1023 are arranged on the outer side of the connecting shaft 1021 on each group of the central shafts 102, and outer plates 1024 are arranged on the outer sides of the central control air bags 1023;

each group of connection claws 1022 is rotatably connected with the central shaft 102, the connection claws 1022 are provided with rotating air bags, the rotating air bags are positioned inside the central shaft 102, and the rotating air bags are connected with the pipeline of the central control air bag 1023.

When the central control air bag 1023 is expanded, the central control air bag 1023 extracts partial air in the rotating air bag to enable the connecting claws 1022 to extrude the claw ring 109, so that the connection between the connecting claws 1022 and the claw ring 109 is tighter, meanwhile, the central control air bag 1023 pushes the central shaft and the end shaft outwards to enable the connection between the connecting claws and the claw ring to be tighter through the outward pushing of the central shaft and the end shaft, and the expansion of the central control air bag enables the connection between the central shaft and the end shaft to be tighter, and the central control air bag is arranged, the connection between the middle shaft and the end shaft and between the middle shaft and the middle shaft are tighter, and meanwhile, the sealing performance between the middle shaft and the end shaft is improved.

Each group of outer shaft sleeves 2 is provided with a circular truncated cone-shaped extrusion groove, and the outer shaft sleeves 2 extrude the contraction part 3011 through the extrusion grooves.

Each group of shaft connecting seats 3 is fixed with a threaded pipe 301, four groups of contraction parts 3011 are annularly arranged on the threaded pipe 301, the cross section of each group of contraction parts 3011 is triangular, the contraction parts 3011 are provided with saw teeth, a punching knife 302 is fixed between every two adjacent groups of contraction parts 3011, and the front end of the punching knife 302 protrudes out of the front end of the contraction part 3011.

The covering layer of the outer layer of the cable is broken by the punching knife 302, the broken covering layer covers the contraction part 3011 under the condition of continuous manual pushing, and the conductor wrapped by the covering layer is inserted into the insertion groove in the shaft connecting seat 3 under the condition of continuous manual pushing;

each group of connecting shaft seats 3 is provided with an insertion groove, an electrode plate 305 is fixed in the insertion groove, and a hoop 304 is arranged in the insertion groove;

the outer side of the threaded pipe 301 is sleeved with a spring pad 303, and the spring pad 303 is connected with the hoop 304 through a pipeline;

the adapter table 106 is fitted into the insertion groove, and the adapter table 106 is tightly connected to the electrode tab 305.

The spring cushion 303 is composed of an air bag and a push plate 3031, after the air bag is extruded by the push plate 3031, the air bag is compressed, air in the air bag enters the rod sleeve, meanwhile, the compressed outline of the air bag exceeds the outline of the shaft connecting seat 3, a sealing groove is formed in the embedding cavity 103 corresponding to the outline of the compressed air bag, and the compressed air bag is embedded into the sealing groove under the driving of the shaft connecting seat 3, so that the sealing performance between the shaft connecting seat 3 and an end shaft or a middle shaft is improved.

The hoop 304 comprises an inner rod 3041 and a rod sleeve 3042 sleeved outside the inner rod 3041, one end of the inner rod 3041 is fixed with the rod sleeve 3042, the other end of the inner rod 3041 is fixed with a baffle plate, the baffle plate is positioned inside the rod sleeve 3042, and the baffle plate is connected with the rod sleeve 3042 in a sliding manner;

the air bag is in plumbing connection with the stem sleeve 3042.

Air in the air bag enters the rod sleeve, the air pushes the baffle at one end of the inner rod to enable the inner rod to slide in the rod sleeve, and the sliding of the inner rod pulls the rod sleeve to bend, so that the diameter of a hoop formed by the inner rod and the rod sleeve is reduced.

The gasbag is under self elastic effect, has the trend of reconversion, and the in-process of reconversion, gasbag are when the inflation, through push pedal 3031 to outer axle sleeve 2 toward outer promotion, make outer axle sleeve 2 inseparabler with being connected between the axle seat 3 even, and waterproof nature is better, through the setting of cushion for outer axle sleeve 2 with even be connected between the axle seat 3 inseparabler, waterproof nature is better.

The working principle of the invention is as follows:

the outer shaft sleeve 2 is sleeved on a main cable or a branch cable, one end of the main cable or the branch cable needing to be connected is aligned with the threaded pipe 301, the punching knife 302 breaks through a covering layer on the outer layer of the cable along with continuous pushing of the cable, meanwhile, the covering layer is punched away from the conductor by the contraction portion 3011, the covering layer covers the contraction portion 3011 under the condition of continuous pushing, and the conductor continuously enters the insertion groove and is in contact with the electrode slice 305.

The outer shaft sleeve 2 is screwed on the threaded pipe 301 through threads, and with the continuous screwing of the outer shaft sleeve 2, the outer shaft sleeve 2 continuously extrudes the airbag through the push plate 3031, so that the inner rod 3041 is continuously retracted into the rod sleeve 3042, the diameter of the hoop 304 is reduced, and the conductor is locked inside the insertion groove.

Constantly screwing up of outer axle sleeve 2, outer axle sleeve 2 extrudees constriction portion 3011 through pressing the groove, make constriction portion 3011 keep away from the one end shrink of screwed pipe 301, constriction portion 3011's shrink, carry out the centre gripping to the conductor once more, blockade the conductor inside the insertion groove once more, increase the firm in connection degree between conductor and the axle seat 3 even, and simultaneously, outer axle sleeve 2 extrudes the overburden with constriction portion 3011 mutually supports, make the overburden fix between outer axle sleeve 2 and axle seat 3 even, thereby increase leakproofness and waterproof nature between cable and outer axle sleeve 2 and the axle seat 3 even.

Two sets of sealing plates 104 are opened to enable the sealing plates 104 to be perpendicular to the clamping jaws 105, then the outer shaft sleeve 2 and the connecting shaft base 3 are inserted into the embedding cavity 103, the connecting shaft base 3 pushes the two sets of clamping jaws 105 to enable the clamping jaws 105 to rotate, and after the connecting shaft base 3 and the outer shaft sleeve 2 are inserted into the embedding cavity 103, the connecting table 106 is embedded into the inserting groove, so that a cable is communicated with a conductor in the connecting shaft 1. Thereby connecting the main cable to the branch cable through the conductor in the coupling shaft 1.

When needs are taken outer axle sleeve 2 and even pedestal 3 from the embedding chamber out, need open the closing plate earlier, make the closing plate parallel with the jack catch, at this moment, the first separation teeth of a cogwheel begin to mesh with the second separation teeth of a cogwheel, afterwards, the closing plate rotates certain angle once more, the closing plate drives the jack catch through the meshing of the first separation teeth of a cogwheel and the second separation teeth of a cogwheel and rotates, make the jack catch toward the one side of keeping away from outer axle sleeve in end shaft or axis rotate certain angle, make the boss lose the barrier effect to outer axle sleeve, thereby make outer axle sleeve and even pedestal take out from the embedding chamber.

When the number of branch cables connected with the main cable needs to be increased, the central shaft 102 is connected with the end shaft 101, the outer plate 1024 is firstly extruded, the central control air bag 1023 is compressed, so that the connection claws 1022 are in a vertical state under the pushing of the rotary air bag, after the connection claws 1022 are clamped with the claw rings 109, the central control air bag 1023 has a tendency of recovering the original state under the action of self elasticity, in the process of recovering the original state, the central control air bag 1023 extracts partial air in the rotary air bag, so that the connection claws 1022 extrude the claw rings 109, so that the connection between the connection claws 1022 and the claw rings 109 is tighter, meanwhile, when the central control air bag 1023 expands, the central shaft and the end shaft are pushed outwards, so that the clamping between the connection claws and the claw rings is tighter, through the expansion of the central control air bag, the connection between the central shaft and the end shaft is tighter, and the connection between the central shaft and the central shaft is tighter through the arrangement of the central control air bag, meanwhile, the sealing performance between the middle shaft and the end shaft is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cable branch coupling mechanism with antiwind function, includes main cable, branch cable, its characterized in that: the cable connector is characterized by further comprising a connecting shaft (1), at least one group of outer shaft sleeves (2) and at least one group of shaft connecting seats (3), wherein a main cable or a branch cable is inserted into each shaft connecting seat (3), each group of outer shaft sleeves (2) are in threaded connection with the corresponding shaft connecting seats (3), the outer shaft sleeves (2) fix the cables on the corresponding shaft connecting seats (3), and the outer shaft sleeves (2) and the shaft connecting seats (3) are inserted into the connecting shaft (1);

each group of the outer shaft sleeves (2) is provided with a circular truncated cone-shaped extrusion groove;

each group of shaft connecting seats (3) is annularly provided with four groups of contraction parts (3011), a stamping knife (302) is arranged between every two adjacent groups of contraction parts (3011), the front end of the stamping knife (302) protrudes out of the front end of the contraction part (3011), the stamping knife (302) breaks a covering layer on the outer layer of the cable, the broken covering layer covers the contraction part (3011), and a conductor wrapped by the covering layer is inserted into the shaft connecting seats (3);

the outer shaft sleeve (2) extrudes the contraction part (3011) through the extrusion groove;

each group of the shaft connecting seat (3) is provided with a threaded pipe (301), and four groups of the contraction parts (3011) and four groups of the punching knives (302) are arranged on the threaded pipes (301);

the cross section of each group of the contraction part (3011) is triangular, and saw teeth are arranged on the contraction part (3011);

the connecting shaft (1) comprises an end shaft (101) and at least one group of middle shafts (102), wherein at least one group of embedding cavities (103) are formed in the end shaft (101) and each group of middle shafts (102), two groups of sealing plates (104) are symmetrically arranged in each group of embedding cavities (103), clamping jaws (105) are arranged inside the embedding cavities (103) on the inner sides of each group of sealing plates (104), a connecting table (106) is arranged in the middle of each embedding cavity (103), bosses (1051) are arranged on each group of clamping jaws (105), and the clamping jaws (105) are rotatably connected with the sealing plates (104);

each group of the shaft connecting seat (3) is provided with an insertion groove, an electrode plate (305) is arranged in the insertion groove, and a hoop (304) is arranged in the insertion groove;

the outer side of the threaded pipe (301) is sleeved with a spring pad (303), and the spring pad (303) is connected with the hoop (304) through a pipeline;

the connecting table (106) is embedded into the insertion groove, and the connecting table (106) is tightly connected with the electrode plate (305).

2. The cable branch connection with antiwind function of claim 1, wherein: each group of sealing plates (104) is provided with a half-tooth block (1041), the half-tooth block (1041) is rotatably connected with an end shaft (101) or a middle shaft (102), one end of the half-tooth block (1041) is semicircular, and a first separating gear tooth (1042) is arranged at one semicircular end;

jack catch (105) one end is provided with the switching portion, switching portion and end axle (101) or axis (102) rotate to be connected, is provided with second separation teeth of a cogwheel (1052) on the switching portion.

3. The cable branch connection with antiwind function of claim 2, wherein: the end shaft (101) and the middle shaft (102) are both provided with a connecting cavity, a connecting sleeve (107) is arranged in the connecting cavity, an insulating sleeve (108) is sleeved on the outer side of the connecting sleeve (107), a claw ring (109) is sleeved on the outer side of the insulating sleeve (108), and a gap exists between one end of the claw ring (109) and the end surface of the connecting cavity;

each group of the middle shafts (102) are provided with connecting shafts (1021), and connecting claws (1022) are arranged on the outer sides of the connecting shafts (1021) on the middle shafts (102).

4. The cable branch connection with antiwind function of claim 3, wherein: a central control air bag (1023) is arranged on each group of the central shafts (102) at the outer side of the connecting shaft (1021), and an outer plate (1024) is arranged on the outer side of the central control air bag (1023);

each group of the connection claws (1022) are rotatably connected with the central shaft (102), the connection claws (1022) are provided with rotating air bags, the rotating air bags are positioned inside the central shaft (102), and the rotating air bags are connected with a central control air bag (1023) through pipelines.

5. The cable branch connection with antiwind function of claim 4, wherein: the spring cushion (303) consists of an air bag and a push plate (3031);

the hoop (304) comprises an inner rod (3041) and a rod sleeve (3042) sleeved outside the inner rod (3041), one end of the inner rod (3041) is fixed with the rod sleeve (3042), and the other end of the inner rod (3041) is connected with the rod sleeve (3042) in a sliding manner;

the air bag is connected with the rod sleeve (3042) through a pipeline.