CN217824889U

CN217824889U - Photovoltaic cable wiring device

Info

Publication number: CN217824889U
Application number: CN202221698490.3U
Authority: CN
Inventors: 彭扬东; 张成子; 李博涵; 李海峰; 桂树强
Original assignee: Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
Current assignee: Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-15
Anticipated expiration: 2032-07-04

Abstract

The utility model provides a photovoltaic cable termination. The wiring device comprises a guide tube and a wiring tube, one or two or more wiring holes are formed in the wiring tube, and a clamping sleeve is arranged in each wiring hole; the utility model discloses a wire connection pipe, including stand pipe, junction box, stand pipe one end stretches into in the junction box to with the junction box intercommunication, the one end that stretches into the junction box at the stand pipe is equipped with a plurality of arc pressure strips, the one end that cup joints the stand pipe at the junction box is equipped with a plurality of arc locking boards, and a plurality of arc locking boards are located a plurality of arc pressure strips outsidely, and establish the connecting sleeve locking outside a plurality of arc locking boards through the cover. The utility model discloses a set up arc locking plate and arc pressure strip, can tie the cable for butt joint department interlock is more fastened, has solved current butt joint mode and can not tie the cable when actually docking, produces very much when the cable receives outside pulling force and drops, leads to the problem of junction disconnection.

Description

Photovoltaic cable wiring device

Technical Field

The utility model relates to a photovoltaic cable technical field especially relates to a photovoltaic cable termination.

Background

Photovoltaic cables are connecting parts in solar technology, which will become one of green energy technologies in the future, solar energy or Photovoltaic (PV) is increasingly widely used in china, and besides the rapid development of government-supported photovoltaic power plants, private investors are actively building factories to plan to produce solar modules for global sale.

At present, in the process of butting photovoltaic cables, the existing butting mode is mainly used for butting the photovoltaic cables through buckles, the cables cannot be bound in the actual butting process, and the cables can easily fall off when being subjected to external tensile force, so that the connection part is disconnected; moreover, the existing wiring device generally has only one wiring port, and if one photovoltaic cable is provided with a plurality of branch wirings, each branch cable needs one independent wiring device, which is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can tie the cable for the photovoltaic termination that butt joint department interlock is more fastened, this termination produces easily when can avoiding the cable to receive outside pulling force and drops, leads to the problem of junction disconnection.

In order to achieve the purpose, the utility model provides a photovoltaic cable wiring device, which comprises a guide tube and a wiring tube, wherein one or two or more wiring holes are arranged on the wiring tube, and a clamping sleeve is arranged in each wiring hole; the utility model discloses a wire connection pipe, including stand pipe, junction box, stand pipe one end stretches into in the junction box to with the junction box intercommunication, the one end that stretches into the junction box at the stand pipe is equipped with a plurality of arc pressure strips, the one end that cup joints the stand pipe at the junction box is equipped with a plurality of arc locking boards, and a plurality of arc locking boards are located a plurality of arc pressure strips outsidely, and establish the connecting sleeve locking outside a plurality of arc locking boards through the cover.

The utility model discloses further technical scheme: the wiring device further comprises a butt joint pipe which is connected to the wiring pipe and far away from the end of the guide pipe, at least two annular grooves are formed in the inner wall of the end, connected with the end, of the wiring pipe, a rubber ring is arranged inside each annular groove, the butt joint pipe is connected with the wiring pipe in a sealing mode through the rubber rings, and a locking sleeve is arranged at the connecting position.

The utility model discloses better technical scheme: the clamping sleeve is a clamping sleeve, one end of each clamping sleeve correspondingly extends into the wiring tube through the wiring hole, the hollow area of each clamping sleeve is communicated with the tube cavity of the wiring tube, and the inner end and the outer end of each clamping sleeve are respectively provided with a clamping ring.

The utility model discloses better technical scheme: a plurality of arc locking plates and a plurality of arc pressure strip all distribute along the circumferencial direction equidistance, and the surface of every arc locking plate is close to the edge and all offers inclined plane, the inner wall of adapter sleeve is close to one side edge department and is fixed with the wedge ring, inclined plane on a plurality of arc locking plates constitute one with adapter sleeve inner wall wedge ring phase-match conical surface, the adapter sleeve cup joints at a plurality of arc locking plate surfaces, and after cup jointing, the inclined plane on the wedge surface of wedge ring and a plurality of arc locking plates is laminated mutually.

The utility model discloses better technical scheme: two or more than two wiring holes are distributed on the wiring tube in a straight line at equal intervals along the axial direction of the wiring tube.

The utility model discloses better technical scheme: and a support sleeve is fixed on the inner wall of one end of the wiring tube close to the guide tube.

The utility model discloses better technical scheme: the outer surfaces of the locking sleeve and the connecting sleeve are provided with a plurality of anti-skidding bulges or grooves at equal intervals along the circumferential direction.

The utility model has the advantages that:

(1) The utility model discloses arrange the inside of stand pipe in with the cable, then arrange the inside of wire barrel in with the stand pipe, carry out the joint through a plurality of wiring holes on the wire barrel and outside cable, the cable that is located the wire barrel is fixed to inboard shrink chucking through wedge ring and a plurality of arc locking plates, can tie near the cable in wiring position through this chucking mechanism, make the interlock of butt joint department more firm, when external force tractive wire appears, tractive force can not direct action in wiring position, thereby avoid the problem of wiring department because of the pulling force disconnection, it drops to produce very much when receiving outside pulling force after having solved current cable butt joint, lead to the problem of junction disconnection.

(2) The utility model is provided with a plurality of wiring holes, which can realize the shunting of a plurality of cables by one connector; and each wiring hole is provided with a clamping and clamping sleeve, so that the connection is convenient.

(3) The utility model discloses opposite side at the connecting tube sets up the butt joint pipe, and the convenient dismantlement of butt joint pipe is convenient when walking the line with the opposite side of wire tractive play connecting tube, and the cooperation through rubber ring and ring channel when the installation of butt joint pipe makes can accomplish sealing connection, the last locking cover that cooperates, thereby can be fixed with locking between butt joint pipe and the connecting tube.

Drawings

FIG. 1 is a schematic view of the front perspective structure of the present invention;

FIG. 2 is a schematic side view of the three-dimensional structure of the present invention;

FIG. 3 is a schematic sectional perspective view of the present invention;

fig. 4 is an enlarged view at a in fig. 3.

In the figure: 1-a junction tube; 2-wiring holes; 3, clamping a sleeve; 4, a snap ring; 5, connecting sleeves; 6, a guide pipe; 7, an arc-shaped pressing plate; 8, butt joint pipe; 9, a locking sleeve; 10-a rubber ring; 11-anti-slip protrusions or grooves; 12-an annular groove; 13-support sleeve; 14-arc locking plate; 15-inclined plane; 16. a wedge ring.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. Fig. 1 to fig. are drawings of the embodiment, which are drawn in a simplified manner and are only used for clearly and concisely illustrating the purpose of the embodiment of the present invention. The following detailed description of the embodiments of the present invention is presented in the drawings and is not intended to limit the scope of the invention as claimed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The embodiment provides a photovoltaic cable connection device, as shown in fig. 1 to 4, comprising a wire connecting tube 1, a guide tube 6 connected to one end of the wire connecting tube 1, and a butt joint tube 8 connected to the other end of the wire connecting tube 1; offer a plurality of wiring holes 2 on wire barrel 1, a plurality of wiring holes 2 are along 1 axis direction of wire barrel, and the equidistance is straight line distribution on wire barrel 1, is equipped with chucking cover 3 in every wiring hole 2, chucking cover 3 is the chucking cover, and the one end of every chucking cover 3 corresponds through the wiring hole and extends to the interior of wire barrel 1, and the cavity region of chucking cover 3 communicates with the lumen of wire barrel 1, is equipped with snap ring 4 respectively in the inner of chucking cover 3 and outer end. A cable in the wire connecting tube 1 is led into the clamping sleeve 3 of the wire connecting hole 2 and is connected with an external cable, and the connecting part of the cable is positioned in the clamping sleeve 3 and is fixedly clamped through the clamping rings 4 at two ends; the connection of cables is realized, and each wiring hole 2 can be connected with a branch cable.

The embodiment provides a photovoltaic cable termination, as shown in fig. 1-4, 6 one end of stand pipe stretches into in the wire barrel 1 to communicate with wire barrel 1, be equipped with a plurality of arc pressure strips 7 at the one end that stand pipe 6 stretches into wire barrel 1, be equipped with a plurality of arc locking plates 14 at the one end that wire barrel 1 cup joints stand pipe 6, and a plurality of arc locking plates 14 are located a plurality of arc pressure strips 7 outsidely, and lock through the adapter sleeve 5 of cover at a plurality of arc locking plates 14 outsidess. The plurality of arc-shaped locking plates 14 and the plurality of arc-shaped pressing plates 7 are distributed at equal intervals along the circumferential direction, an inclined surface 15 is arranged on the outer surface of each arc-shaped locking plate 14 close to the edge, a wedge-shaped ring 16 is fixed on the inner wall of the connecting sleeve 5 close to one side edge, the inclined surfaces 15 on the plurality of arc-shaped locking plates 14 form a conical surface matched with the wedge-shaped ring 16 on the inner wall of the connecting sleeve 5, the connecting sleeve 5 is sleeved on the outer surfaces of the plurality of arc-shaped locking plates 14, and after the connecting sleeve is sleeved, the wedge surfaces of the wedge-shaped ring 16 are attached to the inclined surfaces 15 on the plurality of arc-shaped locking plates 14; and a support sleeve 13 is fixed on the inner wall of one end of the wiring tube 1 close to the guide tube 6. When using this device at first place the inside of stand pipe 6 in with the cable, then place stand pipe 6 in the inside of working connection pipe 1, the cable passes through in stand pipe 6 introduction working connection pipe 1, then rotate adapter sleeve 5 and make and to contract a plurality of arc locking plates 14 to the inboard through wedge ring 16, thereby drive a plurality of arc pressure strip 7 to the inboard shrink, it is fixed to make pipe 6 and the inside cable of 1 butt joint position of working connection pipe compress tightly, alright tie in order to tie near the cable of position of working connection, when having avoided the outside pulling force that the cable received, make the cable disconnection at the position of working connection in the wiring hole 2.

The embodiment provides a photovoltaic cable connection device, as shown in fig. 1 to 4, at least two annular grooves 12 are arranged on the inner wall of the connection end of a connection tube 1 and a butt-joint tube 8, a rubber ring 10 is arranged inside each annular groove 12, the butt-joint tube 8 is hermetically connected with the connection tube 1 through the rubber ring 10, and a locking sleeve 9 is arranged at the connection part. Set up butt joint pipe 8 at the opposite side of wire barrel 1 for convenient to detach conveniently pulls out the wire the opposite side of wire barrel 1 when walking the line, then passes through the cooperation of rubber ring 10 and ring channel 12 when the installation, makes can accomplish sealing connection, and last cooperation locking collar 9, thereby can be with locking fixedly between butt joint pipe 8 and the wire barrel 1. The outer surfaces of the locking sleeve 9 and the connecting sleeve 5 are provided with a plurality of anti-skid bulges or grooves 11 at equal intervals along the circumferential direction, so that the locking sleeve is convenient to screw or loosen.

The utility model discloses a working process: firstly, a cable is placed in the guide tube 6, then the guide tube 6 is placed in the wiring tube 1, the cable is led into the wiring tube 1, and then the connecting sleeve 5 is rotated to enable the plurality of arc-shaped locking plates 14 to be contracted inwards through the wedge-shaped ring 16, so that the plurality of arc-shaped pressing plates 7 can be driven to be contracted inwards, and the cable in the cable can be fixed; when the cable needs to extend out from the inside of the junction box 1, the cable in the junction box 1 can be connected with an external cable through the matching of the junction hole 2 and the clamping sleeve 3, and the cable near the junction part is fixedly restrained by the arc-shaped locking plate 14 and the arc-shaped pressing plate 7, so that the cable at the junction part can not be disconnected even if external traction occurs. Set up butt joint pipe 8 at the opposite side of wire barrel 1, convenient to detach conveniently pulls out the wire the opposite side of wire barrel 1 when walking the line, then passes through the cooperation of rubber ring 10 and ring channel 12 when the installation for sealing connection can be accomplished, at last cooperation locking collar 9, thereby can be with locking fixedly between butt joint pipe 8 and the wire barrel 1.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A photovoltaic cable termination characterized in that: the wiring device comprises a guide tube (6) and a wiring tube (1), one or two or more wiring holes (2) are formed in the wiring tube (1), and a clamping sleeve (3) is arranged in each wiring hole (2); the utility model discloses a wire connection structure, including wire connection pipe (1), stand pipe (6), wire connection pipe (1), stand pipe (6) one end stretches into in wire connection pipe (1) to with wire connection pipe (1) intercommunication, the one end that stretches into wire connection pipe (1) in stand pipe (6) is equipped with a plurality of arc pressure strip (7), the one end that cup joints stand pipe (6) in wire connection pipe (1) is equipped with a plurality of arc locking plate (14), and a plurality of arc locking plate (14) are located a plurality of arc pressure strip (7) outsidely, and lock through establishing adapter sleeve (5) of establishing in a plurality of arc locking plate (14) outsides.

2. The photovoltaic cable connection device of claim 1, wherein: termination is still including connecting butt joint pipe (8) of keeping away from the direction pipe end at wire barrel (1), wire barrel (1) is equipped with two at least ring channels (12) with butt joint pipe (8) link inner wall, and the inside of every ring channel (12) all is provided with rubber ring (10), butt joint pipe (8) are through rubber ring (10) and wire barrel (1) sealing connection to be equipped with lock sleeve (9) at the connection position.

3. A photovoltaic cable connection device according to claim 1 or 2, wherein: the clamping sleeve (3) is a clamping sleeve, one end of each clamping sleeve (3) correspondingly extends into the wiring tube (1) through the wiring hole, the hollow area of each clamping sleeve (3) is communicated with the tube cavity of the wiring tube (1), and the inner end and the outer end of each clamping sleeve (3) are respectively provided with a clamping ring (4).

4. A photovoltaic cable connection apparatus as claimed in claim 1 or 2, wherein: a plurality of arc locking boards (14) and a plurality of arc pressure strip (7) all distribute along the circumferencial direction equidistance, are close to edge at the surface of every arc locking board (14) and all offer inclined plane (15), the inner wall of adapter sleeve (5) is close to one side edge department and is fixed with wedge ring (16), inclined plane (15) on a plurality of arc locking boards (14) constitute one with adapter sleeve (5) inner wall wedge ring (16) phase-match conical surface, adapter sleeve (5) cup joints at a plurality of arc locking boards (14) surface, and after cup jointing, the wedge surface of wedge ring (16) is laminated with inclined plane (15) on a plurality of arc locking boards (14) mutually.

5. A photovoltaic cable connection device according to claim 1 or 2, wherein: two or more than two wiring holes (2) are distributed on the wiring tube (1) in a straight line at equal intervals along the axial direction of the wiring tube (1).

6. A photovoltaic cable connection apparatus as claimed in claim 1 or 2, wherein: and a support sleeve (13) is fixed on the inner wall of one end of the wiring tube (1) close to the guide tube (6).

7. A photovoltaic cable connection assembly as claimed in claim 2, wherein: the outer surfaces of the locking sleeve (9) and the connecting sleeve (5) are provided with a plurality of anti-skidding bulges or grooves (11) at equal intervals along the circumferential direction.