CN216529656U - Quick connecting device of tubular conductor - Google Patents

Abstract

The utility model discloses a quick connecting device of a tubular conductor, which relates to the technical field of tubular conductor connection and specifically comprises the following components: the connector is used for being connected with other equipment conductors; the guide body is used for connecting the tubular conductor with the connecting body; a locking device connecting the connecting body, the guide body and the tubular conductor; the connector and the guide body are used for electrically connecting other equipment conductors with the tubular conductor, compared with the existing welding connection, the connector has stronger through-current capacity and simple installation, and the connection can be realized only by screwing the screw; and welding is not adopted, and the problems of insufficient welding or unqualified welding area do not exist.

Description

Quick connecting device of tubular conductor

Technical Field

The utility model relates to the field of connection of tubular conductors, in particular to a quick connection device of a tubular conductor.

Background

As the power load increases, the capacity of power transmission becomes larger; the capacity transmitted by cable has not been sufficient for the use of the user; the tubular bus and the GIL bus capable of transmitting high voltage and large current are gradually applied; at present, tubular buses, GIL buses and power terminal equipment are connected mainly in a welding mode, welding through-current capacity is weak, installation time is long, cold welding is easy to generate, or welding sectional areas cannot meet the through-current requirement, so that the equipment is heated, even breaks down and stops.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the quick connecting device for the tubular conductors is provided, and solves the problems of large current through-flow of the conductors, fixed connection between the conductors and matched installation by taking the outer diameter of the tubular conductors as a reference size.

The technical scheme of the utility model is as follows:

a quick connection device for tubular conductors, comprising:

the connector is used for being connected with other equipment conductors; the connector is electrically connected with other equipment conductors to realize current transmission;

the guide body is used for connecting the tubular conductor with the connecting body; one end of the guide body is electrically connected with the tubular conductor, and the other end of the guide body is electrically connected with the connecting body, so that current transmission is realized;

the locking device connects the connecting body, the guide body and the tubular conductor, and compresses the connecting body, the guide body and the tubular conductor without falling off; when the guide body is used, the guide body is connected with the tubular conductor, then the guide body and the connecting body are installed through the locking device, and then the connecting body is connected with other equipment conductors.

Furthermore, at least one first groove is transversely formed in the outer side of the connecting body, and a first contact body with conductive performance is placed in the first groove; the connector is inserted into other equipment conductors, the first contact body electrically connects the connector with the other equipment conductors, and the through-current capacity is formed between the connector and the other equipment conductors; the first groove is arranged in the circumferential direction; the number of the first grooves is two, the connecting body is cylindrical, and the first grooves are annular grooves formed in the connecting body; the first contact body is arranged in the first groove, the size of the first contact body is slightly larger than the outer diameter of the connecting body after the first contact body is arranged, and the outer diameter of the connecting body is slightly smaller than the inner diameter of other equipment conductors; after the connector is inserted into other equipment conductors, the first contact body can deform and is tightly connected with the connector and other equipment conductors to form certain electric conduction and current capacity.

Further, the guide body is T-shaped and comprises a transverse part and a vertical part; the vertical part is used for being inserted into the tubular conductor and connected with the tubular conductor, and the transverse part plays a limiting role; the transverse part and the vertical part are vertically arranged and are T-shaped; the diameter of the vertical part is in clearance fit with the inner diameter of the tubular conductor; after the vertical part is inserted into the tubular conductor, the tubular conductor props against the lower end face of the transverse part to prevent the guide body from falling; the lateral and vertical portions are cylindrical.

Furthermore, a semi-through hole for inserting the guide body and the tubular conductor is formed in the connecting body, at least one second groove is transversely formed in the semi-through hole, and a second contact body with electric conductivity is placed in the second groove; the tubular conductor and the connector are inserted into the semi-through hole, the second contact body electrically connects the tubular conductor with the connector, and the through-current capacity is formed between the connector and the tubular conductor; after the second contact body is arranged in the second groove, the tubular conductor is inserted into the half through hole, and the second contact body can deform; the number of the second grooves is one; the inner diameter of the half through hole is in clearance fit with the diameter of the transverse part of the guide body, and the function of the half through hole is to enable a circle of the second contact body to have the same contact force with the tubular conductor; preferably, the distance from the upper surface of the second groove to the upper surface of the half through hole is greater than the thickness of the transverse part, so that the second groove is completely blocked by the side wall of the tubular conductor after the second groove is completely installed, that is, the second contact body in the second groove is completely contacted with the side wall of the tubular conductor, and the tubular conductor is uniformly stressed.

Further, the first contact body and the second contact body are elastic devices; the first contact body and the second contact body form contact pressure between the two contact surfaces through elastic deformation; the first contact body and the second contact body are preferably spring contact fingers or watchband contact fingers, and reliable contact is guaranteed.

Furthermore, a limiting groove is formed in the outer side of the vertical part of the transverse part, and the tubular conductor is positioned by the outer diameter of the tubular conductor after the end part of the tubular conductor is matched with the limiting groove; the limiting groove is an annular groove formed in the position, close to the vertical part, of the transverse part, the outer diameter of the limiting groove is matched with the outer diameter of the tubular conductor, and the outer diameter of the transverse line part of the guide body is matched with the inner cavity of the connecting body, so that the whole connecting device always deviates along with the deviation of the outer diameter of the tubular conductor when the wall thickness deviation of the tubular conductor occurs.

Further, a third limiting step is arranged at the lower end of the connecting body; the end surface of the semi-through hole and the end surface of the transverse part are provided with first limiting devices for limiting the guide body and the connecting body to rotate in a transitional manner; the guide body and the connecting body are limited to rotate in a transitional manner through the arrangement of the first limiting device; preferably, the first limiting device comprises a limiting hole arranged on the end face of the semi-through hole and a first limiting step arranged on the end face of the transverse part and matched with the limiting hole, at least one limiting hole is arranged in each limiting hole, and the number of the limiting holes is consistent with that of the first limiting steps; the number of the limiting holes and the number of the first limiting steps are one, and the limiting holes and the first limiting steps are arranged at positions deviated from the axis.

Furthermore, a counter bore is formed in the connecting body, and the counter bore is communicated with the semi-through hole through the first through hole; a second through hole is formed in the transverse part of the guide body, an inner hole is formed in the vertical part, one end of the inner hole is a large end, and the other end of the inner hole is a small end; the small end of the inner hole is communicated with the second through hole; the locking device comprises a pressing cone and a screw rod, and an internal thread hole matched with the screw rod is formed in the pressing cone; the pressing cone is installed in the inner hole, the screw rod is inserted into the counter bore, sequentially penetrates through the first through hole, the second through hole and the inner hole and then is in threaded connection with the pressing cone, the pressing cone moves towards the small end of the inner hole in the inner hole along with the continuous rotation of the screw rod, the vertical part is deformed and expands outwards, and the guide body, the tubular conductor and the connector are in hard connection; through the cooperation of screw rod and pressure cone, even make the connector be connected with the guide body, also make the expansion of guide body lateral wall exert pressure to tubular conductor to make tubular conductor, guide body and connector form the rigid connection.

Furthermore, the inner hole is in a circular truncated cone shape, and a second limiting device for limiting the rotation of the compression cone is arranged on the inner hole and the compression cone; the inner hole can be arranged in other shapes, such as a frustum shape with a small upper part and a big lower part, the shape and the size of the compaction cone are consistent with those of the inner hole, and the compaction cone can move up and down in the inner hole so as to extrude the side wall of the guide body; the inner hole is in a circular truncated cone shape, so that in order to prevent the compression cone from rotating in the inner hole, a second limiting device is arranged to play a limiting role, so that the rotation of the screw rod is ensured, and the compression cone cannot rotate but moves up and down; preferably, the second limiting device comprises a guide groove formed in the inner hole and a second limiting step arranged on the surface of the compression cone and matched with the guide groove; the width of the second limiting step is smaller than that of the guide groove, so that the compression cone can normally move up and down.

Furthermore, a transition arc for guiding is arranged at one end of the connecting body, which is far away from the semi-through hole; the transverse part end face of the guide body is provided with a large arc which plays a role in guiding and preventing the second contact body from suddenly changing; the transition arc is mainly used for guiding the connecting body when the connecting body is arranged on a conductor of other equipment; the orthodrome is arranged at the transition position of the end surface of the transverse part and the vertical part of the guide body; the purpose of the method is as follows: when the guide body is installed on the connecting body, the guide body plays a role in guiding, and on the other hand, the guide body is characterized in that: in the connection process, the second contact body is gradually compressed under the action of the large arc, so that the second contact body is prevented from being damaged when the pressing force is suddenly changed; the processing time of the tubular conductor when the connecting device is installed on the tubular conductor is reduced, and the installation speed is accelerated.

Furthermore, an inward clamping step is arranged in an inner hole of the guide body, and the clamping step prevents the pressing cone from falling off; the height of the clamping step is larger than the clearance between the vertical part and the tubular conductor.

Further, the thread end face of the screw is provided with a cone shape; the purpose is as follows: when the screw rod is screwed down, the conical small end easily penetrates into the threaded hole of the compression cone, and the installation is convenient.

Furthermore, the lower end of the outer part of the connecting body is provided with a third limiting step, so that when the connecting device is disconnected with the tubular conductor, the connecting body is prevented from being disconnected with other equipment conductors; when the connecting body is used, the connecting body can be supported by other objects without large displacement.

Compared with the prior art, the utility model has the beneficial effects that:

1. a tubular conductor quick connecting device electrically connects other equipment conductors with tubular conductors through a connecting body and a guide body, has stronger through-current capacity and simple installation compared with the existing welding connection, and can realize connection only by screwing a screw; and welding is not adopted, and the problems of insufficient welding or unqualified welding area do not exist.

2. A quick connecting device for tubular conductors is characterized in that a locking device comprises a pressing cone and a screw rod; through the rotation of the screw rod, the connection between the connecting body and the guide body is realized, and the connection between the guide body and the tubular conductor is also realized, so that the design is quite ingenious, and the occupied space is small; and realize electricity through first contact and second contact and connect, stability is high, is difficult for droing, and dismantles the convenience.

Drawings

FIG. 1 is a schematic view of a quick connect device for tubular conductors after assembly;

FIG. 2 is a schematic diagram of the structure of a conductor of another device;

FIG. 3 is a schematic view of a tubular conductor;

FIG. 4 is a schematic view of the structure of the linker;

FIG. 5 is a schematic structural view of a guide body;

fig. 6 is a schematic structural view of the pressing cone.

Reference numerals: 1-connecting body, 2-other equipment conductor, 3-guiding body, 4-tubular conductor, 11-first groove, 12-first contact body, 31-transverse part, 32-vertical part, 13-semi-through hole, 14-second groove, 15-second contact body, 33-limiting groove, 16-third limiting step, 17-counter bore, 18-first through hole, 34-second through hole, 35-inner hole, 5-pressing cone, 6-screw, 19-transition arc, 36-large arc, 131-limiting hole, 37-first limiting step, 38-guiding groove, 51-second limiting step and 351-clamping step.

Detailed Description

It is noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

Example one

Referring to fig. 1-6, a quick connection device for tubular conductors includes:

a connector 1, the connector 1 being for connection to a further equipment conductor 2; the connector 1 is electrically connected with other equipment conductors 2 to realize current transmission;

a guide body 3, said guide body 3 being intended for the connection of a tubular conductor 4 to a connection body 1; one end of the guide body 3 is electrically connected with the tubular conductor 4, and the other end of the guide body is electrically connected with the connecting body 1, so that current transmission is realized;

the locking device connects the connecting body 1, the guide body 3 and the tubular conductor 4, and compresses the connecting body 1, the guide body 3 and the tubular conductor 4 without falling off; when the device is used, the guide body 3 is connected with the tubular conductor 4, then the guide body is installed with the connecting body 1 through the locking device, and then the connecting body 1 is connected with other device conductors 2.

At least one first groove 11 is transversely formed in the outer side of the connector 1, and a first contact body 12 with conductive performance is placed in the first groove 11; the connecting body 1 is inserted into other equipment conductors 2, and the first contact body 12 electrically connects the connecting body 1 with the other equipment conductors 2, so that the current capacity is formed between the connecting body 1 and the other equipment conductors 2; in the present embodiment, the first grooves 11 are arranged in the circumferential direction; the number of the first grooves 11 is two, the connecting body 1 is cylindrical, and the first grooves 11 are annular grooves formed in the connecting body 1; the first contact body 12 is installed in the first groove 11, after the installation, the size of the first contact body 12 is slightly larger than the outer diameter of the connecting body 1, and the outer diameter of the connecting body 1 is slightly smaller than the inner diameter of the other equipment conductor 2; after the connecting body 1 is inserted into the other equipment conductor 2, the first contact body 12 can deform and is tightly connected with the connecting body 1 and the other equipment conductor 2 to form certain electric conduction and current capacity.

The guide body 3 is T-shaped, the guide body 3 comprising a transverse portion 31 and a vertical portion 32; the vertical part 32 is used for being inserted into the tubular conductor 4 and connected with the tubular conductor 4, and the transverse part 31 plays a limiting role; the transverse part 31 and the vertical part 32 are vertically arranged and are T-shaped; the diameter of the vertical portion 32 is a clearance fit with the inner diameter of the tubular conductor 4; after the vertical portion 32 is inserted into the tubular conductor 4, the tubular conductor 4 abuts against the lower end face of the transverse portion 31 to prevent the guide body 3 from falling; the transverse portion 31 and the vertical portion 32 are both cylindrical; according to different current, the guide body 3 can be made of metal or nonmetal material; the guide body 3 is reliably contacted with the tubular conductor 4 under the action of the pressing cone 5; the guide body 3 and the connecting body 1 form reliable contact under the action of the screw 6; when a metal material is selected, a part of current can form through-flow through the tubular conductor 4, the guide body 3, the connecting body 1, the first contact body 12 and other equipment conductors 2 for transmission, and the other part of current can form through-flow through the tubular conductor 4, the second contact body 15, the connecting body 1, the first contact body 12 and other equipment conductors for transmission, so that double insurance is formed for the whole current through-flow, under the action of two paths, the through-flow area of the conductors can be fully increased under the condition of not increasing extra cost, and the temperature rise speed of the conductors is reduced.

A semi-through hole 13 for inserting the guide body 3 and the tubular conductor 4 is formed in the connector 1, at least one second groove 14 is transversely formed in the semi-through hole 13, and a second contact body 15 with electric conductivity is placed in the second groove 14; the tubular conductor 4 and the connecting body 1 are inserted into the half through hole 13, the second contact body 15 electrically connects the tubular conductor 4 with the connecting body 1, and the through-current capacity is formed between the connecting body 1 and the tubular conductor 4; after the second contact body 15 is installed in the second groove 14, the tubular conductor 4 is inserted into the half through hole 13, and the second contact body 15 deforms; in this embodiment, the number of the second slots 14 is one; the inner diameter of said half-through hole 13 is in clearance fit with the diameter of the transverse portion 31 of the guide body 3, and its function is to make a circle of the second contact body 15 have the same contact force with the tubular conductor 4; preferably, the distance from the upper surface of the second slot 14 to the upper surface of the half through hole 13 is greater than the thickness of the transverse portion 31, so as to ensure that the second slot 14 is completely blocked by the side wall of the tubular conductor 4 after the complete installation, i.e. to ensure that the second contact 15 in the second slot 14 is completely contacted with the side wall of the tubular conductor 4, and to ensure that the stress of the tubular conductor 4 is uniform.

The first contact body 12 and the second contact body 15 are elastic devices; the first contact body 12 and the second contact body 15 form contact pressure between two contact surfaces through elastic deformation; the first contact body 12 and the second contact body 15 are preferably spring fingers or strap fingers, ensuring a reliable contact.

The transverse part 31 is provided with a limiting groove 33 on the outer side of the vertical part 32, and the tubular conductor 4 is positioned by the outer diameter of the tubular conductor 4 after the end part of the tubular conductor 4 is matched with the limiting groove 33; the limiting groove 33 is a circular groove formed in the position, close to the vertical part 32, of the transverse part 31, the outer diameter of the limiting groove 33 is matched with the outer diameter of the tubular conductor 4, and the outer diameter of the transverse part 31 of the guide body 3 is matched with the semi-through hole 13 of the connecting body 1, so that the whole connecting device always deviates along with the deviation of the outer diameter of the tubular conductor 4 when the wall thickness of the tubular conductor 4 deviates; because the outer diameter of the tubular conductor 4 is designed as a standard when a general manufacturer designs the tubular conductor 4, but the wall thickness of the tubular conductor 4 cannot be designed uniformly, the outer diameter of the limiting groove 33 is consistent with the outer diameter of the tubular conductor 4, a positioning effect is achieved, and the stable fixation of the tubular conductor 4 is ensured; if the outer diameter positioning is not adopted, in the process of screwing the screw 6, the tubular conductor 4 can deviate due to the deviation of the wall thickness of the tubular conductor 4, so that the whole connecting device is in an eccentric state, poor contact and other problems cause the temperature of the connecting device to be too high, and the use effect is influenced.

The lower end of the connecting body 1 is provided with a step; the end surface of the half through hole 13 and the end surface of the transverse part 31 are provided with a first limiting device for limiting the transitional rotation of the guide body 3 and the connecting body 1; the guide body 3 and the connecting body 1 are limited to rotate transitionally by the arrangement of the first limiting device; preferably, the first limiting device comprises a limiting hole 131 arranged on the end surface of the half through hole 13 and a first limiting step 37 arranged on the end surface of the transverse part 31 and matched with the limiting hole 131, at least one limiting hole 131 and at least one first limiting step 37 are arranged, and the number of the limiting holes 131 is consistent with that of the first limiting steps 37; in this embodiment, the number of the limiting holes 131 and the first limiting steps 37 is one, and the limiting holes 131 and the first limiting steps 37 may be disposed at positions deviated from the axis.

A counter bore 17 is formed in the connector 1, and the counter bore 17 is communicated with the semi-through hole 13 through a first through hole 18; a second through hole 34 is formed in the transverse part 31 of the guide body 3, an inner hole 35 is formed in the vertical part 32, one end of the inner hole 35 is a large end, and the other end of the inner hole is a small end; the small end of the inner hole 35 is communicated with the second through hole 34; the locking device comprises a pressing cone 5 and a screw 6, and an internal thread hole matched with the screw 6 is formed in the pressing cone 5; the pressing cone 5 is installed in the inner hole 35, the screw rod 6 is inserted from the counter bore 17, sequentially passes through the first through hole 18, the second through hole 34 and the inner hole 35 and then is in threaded connection with the pressing cone 5, along with the continuous rotation of the screw rod 6, the pressing cone 5 moves towards the small end of the inner hole 35 in the inner hole 35, the vertical part 32 deforms and expands outwards, and the guide body 3, the tubular conductor 4 and the connecting body 1 are in hard connection; by matching the screw rod 6 with the pressing cone 5, namely connecting the connecting body 1 with the guide body 3, the side wall of the guide body 3 is expanded to apply pressure on the tubular conductor 4, so that the tubular conductor 4, the guide body 3 and the connecting body 1 are in hard connection.

The inner hole 35 is in a circular truncated cone shape, and a second limiting device for limiting the rotation of the pressing cone 5 is arranged on the inner hole 35 and the pressing cone 5; the inner hole 35 can be arranged in other shapes, such as a truncated pyramid shape with a small upper part and a big lower part, the shape and the size of the compression cone 5 are consistent with those of the inner hole 35, and the compression cone 5 can move up and down in the inner hole 35 to extrude the side wall of the guide body 3; in this embodiment, the inner hole 35 is in a circular truncated cone shape, and therefore, in order to prevent the compression cone 5 from rotating in the inner hole 35, a second limiting device is provided to play a limiting role, so that it is ensured that the screw 6 rotates, and the compression cone 5 does not rotate but moves up and down; preferably, the second limiting device comprises a guide groove 38 opened in the inner hole 35 and a second limiting step 51 arranged on the surface of the compacting cone 5 and matched with the guide groove 38; the width of the second limit step 51 is smaller than that of the guide groove 38, so that the pressing cone 5 can normally move up and down.

One end of the connector 1 far away from the half through hole 13 is provided with a transition arc 19 playing a role in guiding; the end face of the transverse part 31 of the guide body 3 is provided with a large arc 36 which plays a role of guiding and preventing the second contact body 15 from suddenly changing; the transition arc 19 is mainly used for guiding the connector 1 when being installed on other equipment conductors; the great circular arc 36 is arranged at the transition of the end face of the transverse part 31 and the vertical part 32 of the guide body 3; the purpose of the method is as follows: the guiding body 3 plays a guiding role when being mounted on the connecting body 1, and on the other hand: in the connection process, the second contact body 15 is gradually pressed under the action of the great arc 36, so that the second contact body 15 is prevented from being damaged when the pressing force is suddenly changed; the processing time of the tubular conductor 4 when the connecting device is mounted on the tubular conductor 4 is reduced, thereby speeding up the mounting.

An inward clamping step 351 is arranged in the inner hole 35 of the guide body 3, and the clamping step 351 prevents the pressing cone 5 from falling off; the height of the detent step 351 is greater than the gap between the vertical portion 32 and the tubular conductor 4.

The thread end surface of the screw rod 6 is set to be conical; the purpose is as follows: when the screw rod 6 is screwed down, the small end of the cone is easy to penetrate into the threaded hole of the pressing cone 5, so that the installation is convenient; during installation, the screw 6 must be tightened because the connection device, for passing large currents, if not tightened, can vibrate, causing the first contact body 12 and the second contact body 15 to fatigue and thereby reduce their useful life.

The lower end of the exterior of the connector 1 is provided with a third limiting step 16, which aims to prevent the connector 1 from being disconnected with other equipment conductors when the connecting device is disconnected with the tubular conductor 4; when in use, the connecting body 1 can be supported by other objects without large displacement.

The specific installation method is as follows:

the pressing cone 5 is already installed in the inner hole 35 of the guide body 3 in the factory; first contact 12 and second contact 15 are mounted on interconnect 1.

During field installation:

firstly, sleeving a guide body 3 with a compression cone 5 on a tubular conductor 4; inserting the tubular conductor 4 into the limiting groove 33;

secondly, the screw rod 6 sequentially passes through the first through hole 18, the second through hole 34 and the inner hole 35 and then is in threaded connection with the compaction cone 5; preferably, a flat pad and a spring pad can be additionally arranged when the screw 6 is installed, so that connection looseness caused by rotation of the screw 6 in the use process is prevented;

thirdly, the screw 6 is screwed down; during the tightening of the screw 6, the compression cone 5 compresses the vertical portion 32 of the guide body 3, deforming the vertical portion 32. Finally, the pressing cone 5, the guide body 3 and the contact body are in hard connection with the tubular conductor 4;

finally, the upper end of the connector 1 is inserted into the conductor of other equipment to complete the connection.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (10)

1. A quick connect device for tubular conductors, comprising:

a connection body (1), the connection body (1) being used for connecting with other equipment conductors (2);

a guide body (3), wherein the guide body (3) is used for connecting the tubular conductor (4) with the connecting body (1);

a locking device connecting the connecting body (1), the guide body (3) and the tubular conductor (4).

2. The quick connection device for tubular conductors according to claim 1, characterized in that at least one first groove (11) is transversely provided on the outside of the connection body (1), and a first contact body (12) with conductive property is placed in the first groove (11); the connecting body (1) is inserted into the other device conductor (2), the first contact body (12) electrically connects the connecting body (1) with the other device conductor (2), and a current capacity is formed between the connecting body (1) and the other device conductor (2).

3. A quick connection device for tubular conductors according to claim 2, characterized in that said guide body (3) is T-shaped, the guide body (3) comprising a transverse portion (31) and a vertical portion (32); the vertical part (32) is inserted into the tubular conductor (4) and connected with the tubular conductor (4), and the transverse part (31) plays a limiting role.

4. The quick connection device for tubular conductors according to claim 3, characterized in that a semi-through hole (13) for inserting the guide body (3) and the tubular conductor (4) is formed in the connection body (1), at least one second groove (14) is transversely formed in the semi-through hole (13), and a second contact body (15) with electric conductivity is placed in the second groove (14); the tubular conductor (4) and the connecting body (1) are inserted into the half through hole (13), the second contact body (15) electrically connects the tubular conductor (4) and the connecting body (1), and the through-current capacity is formed between the connecting body (1) and the tubular conductor (4).

5. Quick connection device of tubular conductors according to claim 4, characterised in that said first contact (12) and second contact (15) are elastic means; the first contact body (12) and the second contact body (15) form contact pressure between the two contact surfaces through elastic deformation.

6. The quick connecting device of a tubular conductor according to claim 3, characterized in that the transverse portion (31) is provided with a limiting groove (33) on the outer side of the vertical portion (32); and after the end part of the tubular conductor (4) is matched with the limiting groove (33), the tubular conductor (4) is positioned by the outer diameter of the tubular conductor (4).

7. The quick connection device of tubular conductors according to claim 4, characterized in that the lower end of the connection body (1) is provided with a third limit step (16); the end face of the half through hole (13) and the end face of the transverse part (31) are provided with first limiting devices for limiting transitional rotation of the guide body (3) and the connecting body (1).

8. The quick connecting device of a tubular conductor according to claim 7, characterized in that a counter bore (17) is formed in the connecting body (1), and the counter bore (17) is communicated with the semi-through hole (13) through a first through hole (18); a second through hole (34) is formed in the transverse part (31) of the guide body (3), an inner hole (35) is formed in the vertical part (32), one end of the inner hole (35) is a large end, and the other end of the inner hole is a small end; the small end of the inner hole (35) is communicated with the second through hole (34); the locking device comprises a pressing cone (5) and a screw rod (6), and an internal thread hole matched with the screw rod (6) is formed in the pressing cone (5); compress tightly awl (5) and install in hole (35), screw rod (6) are inserted from counter bore (17), pass first through-hole (18), second through-hole (34) and hole (35) back in proper order with compress tightly awl (5) threaded connection, along with the continuation rotation of screw rod (6), compress tightly awl (5) and remove to hole (35) tip in hole (35), vertical part (32) warp, outside expansion, make guide body (3), tubular conductor (4) and connector (1) form the hard joint.

9. The quick connecting device for tubular conductors according to claim 8, wherein the inner hole (35) is circular truncated cone-shaped, and the inner hole (35) and the pressing cone (5) are provided with a second limiting device for limiting the rotation of the pressing cone (5).

10. The quick connection device for tubular conductors according to claim 9, characterized in that the connection body (1) is provided with a guiding transition arc (19) at the end far from the semi-through hole (13); the end face of the transverse part (31) of the guide body (3) is provided with a large arc (36) which plays a role of guiding and preventing the second contact body (15) from suddenly changing;

the first limiting device comprises a limiting hole (131) arranged on the end face of the semi-through hole (13) and a first limiting step (37) arranged on the end face of the transverse part (31) and matched with the limiting hole (131), at least one limiting hole (131) and at least one first limiting step (37) are arranged, and the number of the limiting holes (131) is consistent with that of the first limiting steps (37);

the second limiting device comprises a guide groove (38) arranged in the inner hole (35) and a second limiting step (51) which is arranged on the surface of the pressing cone (5) and matched with the guide groove (38);

an inward clamping step (351) is arranged in an inner hole (35) of the guide body (3), and the clamping step (351) prevents the pressing cone (5) from falling off;

the thread end surface of the screw rod (6) is set to be conical.

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