CN212810577U

CN212810577U - Cable connecting piece and cable connection structure

Info

Publication number: CN212810577U
Application number: CN202022144783.4U
Authority: CN
Inventors: 曾萍; 熊子南
Original assignee: Fuzhou Architectural Design Institute Co Ltd
Current assignee: Fuzhou Architectural Design Institute Co Ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-03-26
Anticipated expiration: 2030-09-26

Abstract

The application discloses cable junction spare and cable junction structure relates to cable junction spare's technical field, has improved the problem of cable and connecting piece virtual phenomenon of connecing, and it includes the wiring body, at least one jack has been seted up on the wiring body, radially set up the screw hole with the jack intercommunication on the wiring body, there is the locking bolt in screw hole female connection simultaneously, the one end that the locking bolt stretched into in the jack is rotated and is connected with the pressure strip. This application can promote the stability behind the cable junction.

Description

Cable connecting piece and cable connection structure

Technical Field

The application relates to the technical field of cable connecting pieces, in particular to a cable connecting piece and a cable connecting structure.

Background

The cable head connecting piece is a conductor arranged between a cable head and an equipment binding post, is used for connecting the cable head and the equipment binding post, and is usually arranged on an inlet and outlet terminal of a switch element in a distribution box and on the binding post of electrical equipment such as a motor.

There is a connector structure as shown in fig. 7, which comprises a conductive connector body 1, one end of the connector body 1 extends outwards as an output end 2, the other end has a jack 11 for inserting a cable wire as an input end 3, and after the wire is inserted into the jack 11, the cable is fixed with the connector body 1 by winding an insulating tape.

To facilitate insertion of the cable wires into the receptacle 11, the diameter of the cable will be slightly smaller than the diameter of the receptacle 11, but this can sometimes result in a virtual connection of the cable to the connector.

SUMMERY OF THE UTILITY MODEL

In order to improve the virtual phenomenon of connecing of cable and connecting piece, this application provides a cable connection spare and cable connection structure.

In a first aspect, the present application provides a cable connector, which adopts the following technical scheme:

the utility model provides a cable connector, includes the wiring body, at least one jack has been seted up on the wiring body, radially set up the screw hole with the jack intercommunication on the wiring body, there is a locking bolt in screw hole female connection simultaneously, the one end that locking bolt stretched into in the jack is rotated and is connected with the pressure strip.

Through adopting above-mentioned technical scheme, locking bolt threaded connection is in the screw hole, because locking bolt and pressure strip are connected for rotating, can promote the pressure strip and be close to the jack center at rotatory locking bolt's in-process, can press from both sides it tightly after the cable wire inserts in the jack, promotes the stability of being connected between cable and the connecting piece, reduces the emergence of virtual phenomenon of connecing.

Preferably, the wiring body outside still cladding has insulating cover, and the output of the wiring body wears out insulating cover, set up the perforation that supplies the locking bolt to wear to establish on the insulating cover, just insulating cover is the pyrocondensation cover.

By adopting the technical scheme, the insulating sleeve is arranged outside the wiring body, and after the cable is inserted into the jack, the thermal shrinkage sleeve is heated to shrink so as to fix the cable and the connecting piece.

Preferably, the pressing plate is an arc-shaped plate made of a conductive material.

By adopting the technical scheme, the pressing plate is arranged to be the arc-shaped plate, so that the contact area between the pressing plate and the cable when the pressing plate clamps the cable can be increased, and the stability of the pressing plate after the pressing plate presses the cable can be further improved; meanwhile, the pressing plate is made of a conductive material, so that the pressing plate can conduct electricity, and the overall conductivity is improved.

Preferably, the wire connecting body is provided with a pressing groove for the movement of the pressing plate in a diameter expanding manner on the hole wall of the insertion hole, the pressing groove is an arc-shaped groove matched with the bottom surface of the groove and the pressing plate, a step table is formed between the notch position of the pressing groove and the hole wall of the insertion hole, and after the cable is inserted into the insertion hole, the locking bolt pushes the pressing plate to move towards the direction close to the butt table so as to clamp the cable.

Through adopting above-mentioned technical scheme, before the installation, the pressure strip is in and compresses tightly the tank bottom state that offsets, and after the cable inserted the jack, locking bolt promoted the pressure strip and removes to compressing tightly the groove notch direction, and then presss from both sides tightly the cable.

Preferably, the pressing groove is a semicircular groove, the pressing plate is an arc plate with the radian smaller than 180 degrees, and when the locking bolt pushes the pressing plate to move to the maximum displacement position, two ends of the pressing plate are abutted against the step table surface.

Through adopting above-mentioned technical scheme, can restrict the maximum clamping distance of pressure strip, avoid the pressure strip excessively to extrude and cause the harm to the cable.

Preferably, when the pressing plate abuts against the groove bottom of the pressing groove, the bolt head of the locking bolt is still located in the through hole.

Through adopting above-mentioned technical scheme, can avoid the bolt head of locking bolt to wear out outside the insulating layer, produce the influence to the normal use of connecting piece.

Preferably, the locking bolt is a hexagon socket head cap screw made of copper material.

Through adopting above-mentioned technical scheme, the copper product can make the electric current pass through the pressure strip as a high electric conductivity metal, borrow the locking bolt again through the wiring body, can promote holistic electric conductive property.

Preferably, the through hole is also filled with an insulating plug for closing the through hole.

By adopting the technical scheme, after the locking bolt is screwed down, the through hole is filled with the insulating plug, so that the through hole is sealed, and the possibility of electric leakage is reduced.

Preferably, the inner side wall of the insulating sleeve is provided with a mounting groove for embedding the wiring body, and the inner wall of the wiring body is flush with the inner wall of the insulating sleeve after the wiring body is embedded into the mounting groove.

Through adopting above-mentioned technical scheme, can wrap up the wiring body better, reduce the production of electric leakage phenomenon.

In a second aspect, the present application provides a cable connection structure, which adopts the following technical solution:

a cable connecting structure comprises a cable and the cable connecting piece, wherein the cable penetrates into a jack of a wiring body and is clamped tightly through a pressing plate.

By adopting the technical scheme, after the cable is inserted into the jack of the connecting piece, the locking bolt is rotated by a tool to drive the pressing plate to clamp the cable; and then, the insulation plug columns are filled in the through holes, the insulation sleeve is heated, the insulation sleeve shrinks to complete the installation of the cable and the connecting piece, the cable connection stability can be improved, and the virtual connection phenomenon is reduced.

In summary, the present application includes at least one of the following benefits:

after the cable is inserted into the jack of the connecting piece, the locking bolt drives the pressing plate to clamp the cable, so that the stability of cable connection can be improved, and the virtual connection phenomenon is reduced.

Drawings

FIG. 1 is an axial cross-sectional view of a connection piece according to a first embodiment;

FIG. 2 is a side view of the connector in the direction of the output end according to one embodiment;

FIG. 3 is a transverse cross-sectional view of a connector according to one embodiment;

FIG. 4 is a transverse sectional view of the connecting member in the second embodiment;

FIG. 5 is a transverse sectional view of a connecting member in the third embodiment;

FIG. 6 is a transverse cross-sectional view of a joint member according to a fourth embodiment;

fig. 7 is a cross-sectional view of a conventional connector in an axial direction.

Description of reference numerals: 1. a wiring body; 11. a jack; 12. a threaded hole; 13. a compaction groove; 14. a step table; 2. an output end; 3. an input end; 4. an insulating sleeve; 41. mounting grooves; 42. perforating; 5. locking the bolt; 6. a compression plate; 7. an insulating plug.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a cable connector.

Example one

Referring to fig. 1 and 2, the cable connector includes a conductive wire body 1 and an insulating sheath 4 covering the outside of the wire body 1. One end of the wiring body 1 penetrates out of the insulating sleeve 4 to serve as an output end 2, the other end of the wiring body is provided with one jack 11 to serve as an input end 3, and the number of the jacks 11 is one and is located at the center of the wiring body 1. Insulating cover 4 is the heat shrinkable sleeve that the pyrocondensation nature material was made, and has the mounting groove 41 that supplies the wiring body 1 embedding on the 4 inner walls of insulating cover, and behind the wiring body 1 embedding mounting groove 41, the inner wall of the wiring body 1 flushed with the inner wall of insulating cover 4.

Referring to fig. 1 and 3, a clamping mechanism for clamping a cable inserted into the insertion hole 11 is arranged on the wiring body 1, the clamping mechanism comprises a locking bolt 5 radially penetrating into the insertion hole 11 along the wiring body 1 and a pressing plate 6 rotatably connected to one end of the locking bolt 5 penetrating into the insertion hole 11, the locking bolt 5 is a hexagon socket head cap screw, and the locking bolt 5 and the pressing plate 6 are both copper products with electric conductivity. The wiring body 1 is radially provided with a threaded hole 12 matched with the locking bolt 5, the insulating sleeve 4 is provided with a through hole 42 for the locking bolt 5 to penetrate, the pressing plate 6 can be driven to be close to or far away from the center of the jack 11 by rotating the locking bolt 5, and when the pressing plate 6 is abutted against the groove bottom of the pressing groove 13, the bolt head of the locking bolt 5 is still located in the through hole 42.

The wire connecting body 1 is provided with a pressing groove 13 for the movement of the pressing plate 6 by expanding on the hole wall of the jack 11, the pressing plate 6 is an arc-shaped plate, the pressing groove 13 is an arc-shaped groove with the bottom surface matched with the pressing plate 6, and a step table 14 is formed between the notch position of the pressing groove 13 and the hole wall of the jack 11. The pressure slot 13 is a semicircular slot, the pressure plate 6 is an arc plate with the radian smaller than 180 degrees, and when the locking bolt 5 pushes the pressure plate 6 to move to the position closest to the center of the jack 11, the two ends of the pressure plate 6 are abutted against the two step table tops 14.

Referring to fig. 3, the through hole 42 is further filled with an insulating plug 7 for sealing the through hole 42, the insulating plug 7 is also made of a heat-shrinkable material, and after the locking bolt 5 is tightened, the through hole 42 is filled with the insulating plug 7, so that the through hole 42 is sealed, and the possibility of electric leakage is reduced.

The implementation principle of the first embodiment is as follows:

in the initial position, the pressure plate 6 abuts against the bottom of the pressure groove 13. During installation, a cable penetrates into the jack 11, and then the locking bolt 5 is rotated by a tool to drive the pressing plate 6 to clamp the cable; and then filling the insulating plug 7 into the through hole 42, heating the insulating sleeve 4, and shrinking the insulating sleeve 4 to complete the installation of the cable and the connecting piece.

Example two

Referring to fig. 4, the present embodiment is different from the first embodiment in that the number of the insertion holes 11 is two, the two insertion holes 11 are symmetrically arranged at the center of the wire connecting body 1, and a clamping mechanism is arranged in each of the two insertion holes 11.

The implementation principle of the second embodiment is the same as that of the first embodiment except for the number of cables, and therefore, the detailed description thereof is omitted.

EXAMPLE III

Referring to fig. 5, the present embodiment is different from the first embodiment in that the number of the insertion holes 11 is three, three insertion holes 11 are arranged at equal intervals along the circumferential direction of the wire connecting body 1, and a clamping mechanism is arranged in each of the three insertion holes 11.

The implementation principle of the third embodiment is the same as that of the first embodiment except for the number of cables, and therefore, the implementation principle is not described in detail.

Example four

Referring to fig. 6, the present embodiment is different from the first embodiment in that the number of the insertion holes 11 is four, four insertion holes 11 are arranged on the wire connecting body 1 in a two-by-two lattice array, and the four insertion holes 11 are all provided with a clamping mechanism.

The implementation principle of the fourth embodiment is the same as that of the first embodiment except for the number of cables, and therefore, the implementation principle is not described in detail.

The embodiment of the application also discloses a cable connection structure. Referring to fig. 1, the cable connection structure includes a cable line and a cable connector according to any one of the first to fourth embodiments, the cable line is inserted into the insertion hole 11 of the connection body 1 and is clamped by the pressing plate 6.

The implementation principle of the cable connection structure in the embodiment of the application is as follows:

after the cable is inserted into the jack 11 of the connecting piece, the locking bolt 5 is rotated by a tool to drive the pressing plate 6 to clamp the cable; and then filling the insulating plug 7 into the through hole 42, heating the insulating sleeve 4, and shrinking the insulating sleeve 4 to complete the installation of the cable and the connecting piece.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cable connector comprising a connector body (1), characterized in that: at least one jack (11) has been seted up on the connection body (1), radially set up screw hole (12) with jack (11) intercommunication on the connection body (1), there is locking bolt (5) in screw hole (12) female connection simultaneously, the one end that locking bolt (5) stretched into in jack (11) is rotated and is connected with pressure strip (6).

2. A cable connector according to claim 1, wherein: the wiring body (1) outside still the cladding have insulating cover (4), and insulating cover (4) are worn out in output (2) of wiring body (1), set up on insulating cover (4) and supply perforation (42) that locking bolt (5) wore through to establish, just insulating cover (4) are the pyrocondensation cover.

3. A cable connector according to claim 2, wherein: the pressing plate (6) is an arc-shaped plate made of a conductive material.

4. A cable connector according to claim 3, wherein: the wire connecting body (1) is provided with a pressing groove (13) for the movement of the pressing plate (6) by expanding on the hole wall of the insertion hole (11), the pressing groove (13) is an arc-shaped groove with the groove bottom matched with the pressing plate (6), a step table top (14) is formed between the notch position of the pressing groove (13) and the hole wall of the insertion hole (11), and after the cable is inserted into the insertion hole (11), the locking bolt (5) pushes the pressing plate (6) to move towards the direction close to the step table top (14) so as to clamp the cable.

5. A cable connector according to claim 4, wherein: the pressing groove (13) is a semicircular groove, the pressing plate (6) is an arc plate with the radian smaller than 180 degrees, and when the locking bolt (5) pushes the pressing plate (6) to move to the maximum displacement position, two ends of the pressing plate (6) are abutted to the step table top (14).

6. A cable connector according to claim 5, wherein: when the pressing plate (6) is abutted against the groove bottom of the pressing groove (13), the bolt head of the locking bolt (5) is still positioned in the through hole (42).

7. A cable connector according to claim 2, wherein: the locking bolt (5) is an inner hexagon bolt made of copper material.

8. A cable connector according to claim 7, wherein: the through hole (42) is also filled with an insulating plug (7) for closing the through hole (42).

9. A cable connector according to claim 2, wherein: the inner side wall of the insulating sleeve (4) is provided with a mounting groove (41) for embedding the wiring body (1), and the inner wall of the wiring body (1) is flush with the inner wall of the insulating sleeve (4) after the wiring body (1) is embedded into the mounting groove (41).

10. A cable connection structure characterized in that: comprising a cable conductor and a cable connector as claimed in any of claims 1 to 9, the cable conductor being inserted into the insertion opening (11) of the connection body (1) and being clamped by means of the clamping plate (6).