CN203434586U

CN203434586U - Splicing sleeve

Info

Publication number: CN203434586U
Application number: CN201320555068.7U
Authority: CN
Inventors: 宰红斌; 梁静; 王利红; 桑海彬; 秦志沁
Original assignee: SHANXI JINCHENG ELECTRIC POWER SUPPLY Co; State Grid Corp of China SGCC
Current assignee: SHANXI JINCHENG ELECTRIC POWER SUPPLY Co; State Grid Corp of China SGCC
Priority date: 2013-09-06
Filing date: 2013-09-06
Publication date: 2014-02-12
Anticipated expiration: 2023-09-06

Abstract

The utility model belongs to an electric wire connection apparatus and especially relates to a splicing sleeve which is suitable for overhead electric-power-line non-under tension and nonlinear pole and tower wire jumper connection. The splicing sleeve comprises an inner pipe of a conical tube whose two ends are with expansion joints, a long outer pipe installed on one side of the inner pipe and a short outer pipe installed on the other side of the inner pipe. The long outer pipe and the short outer pipe are connected through a screw thread. The structure of an apparatus of the utility model is simple; connection is reliable; heating and broken line conditions are not easy to generate; installation and usage are convenient; the splicing sleeve can be used repeatedly and economic benefits are good.

Description

A kind of splicing sleeve

Technical field

The utility model belongs to wire connecting device, is particularly applicable to the splicing sleeve that wire jumper that overhead power line do not bear tension force and non-rectilinear shaft tower is connected.

Background technology

At present, the jumper wire continuing that does not bear tension force and non-rectilinear shaft tower for overhead power line is mainly two kinds of parallel groove clamp and hydraulic pressure splicing sleeves.The former mostly is screw bolt-type, and the latter mostly is crimp type.It is little that screw bolt-type all more or less exist to connect contact-making surface, and contact resistance is large, connect the problems such as unreliable, and the problem such as crimp type wire clamp exists and can only disposablely use, and hydraulic operation task difficulty is large, longevity of service.

Summary of the invention

Technical problem to be solved in the utility model is, how to solve bolt clamp and connects unreliable, easy heating broken string, and hydraulic pressure splicing sleeve difficulty of construction is high and can not reusable problem.

The technical scheme that the utility model adopts is: a kind of splicing sleeve, comprise the conical tube at Wei Dai expansion joint, two ends inner tube, be arranged on a side of described inner tube long outer tube, be arranged on the short outer tube of the opposite side of described inner tube, described long outer tube and described short outer tube are together by a threaded connection.

As a kind of optimal way: a threadless side of described long outer tube has the termination of nut type profile, and a threadless side of described short outer tube has the termination of nut type profile.

As a kind of optimal way: there is the frustum of a cone space coordinating with a side conical tube of described inner tube the inside of described long outer tube, and there is the frustum of a cone space coordinating with the opposite side conical tube of described inner tube the inside of described short outer tube.

The beneficial effects of the utility model are: the utility model apparatus structure is simple, connection is reliable, be not easy heating broken string, easy to install, can reuse, and economic benefit is good.

Accompanying drawing explanation

Fig. 1 is the front view schematic diagram in the utility model use procedure;

Fig. 2 is that Fig. 1 is left view schematic diagram;

Fig. 3 is the right view schematic diagram of Fig. 1;

Fig. 4 is the front view schematic diagram of the utility model inner tube;

Fig. 5 is that Fig. 4 is left view schematic diagram;

Fig. 6 is the right view schematic diagram of Fig. 4;

Fig. 7 is the front view schematic diagram of the long outer tube of the utility model;

Fig. 8 is that Fig. 7 is left view schematic diagram;

Fig. 9 is the right view schematic diagram of Fig. 7;

Figure 10 is the front view schematic diagram of short outer tube of the present utility model;

Figure 11 is the right view schematic diagram of Figure 10.

Wherein, 1, inner tube, 2, long outer tube, 3, conical tube, 4, the frustum space of long outer tube circle, 5, long external pipe thread, 6, short external pipe thread, 7, the frustum space of short outer tube, 8, short outer tube, 9, wire jumper, 10, expansion joint.

Embodiment

As shown in Figure 10 and Figure 11, one end of the short-and-medium outer tube 8 of the present embodiment has external screw thread (the short external pipe thread 6) other end to have the termination of nut type profile, and there is the frustum of a cone space (the frustum space 7 of short outer tube) coordinating with the opposite side conical tube of inner tube inside; As shown in Fig. 7, Fig. 8, Fig. 9, there is the internal thread (long external pipe thread 5) coordinating with the external screw thread of short outer tube 8 one end of long outer tube 2, the other end has the termination of nut type profile, and there is the frustum of a cone space (the frustum space of long outer tube circle) coordinating with the opposite side conical tube of inner tube inside; As shown in Fig. 4, Fig. 5, Fig. 6, the conical tube at the Wei Dai expansion joint, two ends of inner tube 1; As shown in Figure 1, Figure 2, Figure 3 shows, in use, wire jumper is filled in inner tube 1 from the two ends of inner tube 1, long outer tube 2 and short outer tube 8 from the two ends injection of inner tube 1 and be together by a threaded connection, by the frustum of a cone space of long outer tube 2 and short outer tube 8 inside, compress the expansion joint of inner tube 1, make wire jumper compacted, by using spanner (it is tighter than what manually twist to use spanner) to turn the nut type profile termination of short outer tube 8 and long outer tube 2, making to be threaded reaches best degree of tightness state.

By using the utility model to connect to have solved bolt clamp to connect unreliable, easy heating, break, hydraulic pressure splicing sleeve difficulty of construction is high and can not reusable problem.

Claims

1. a splicing sleeve, it is characterized in that: comprise the conical tube at Wei Dai expansion joint, two ends inner tube, be arranged on a side of described inner tube long outer tube, be arranged on the short outer tube of the opposite side of described inner tube, described long outer tube and described short outer tube are together by a threaded connection.

2. a kind of splicing sleeve according to claim 1, is characterized in that: a threadless side of described long outer tube has the termination of nut type profile, and a threadless side of described short outer tube has the termination of nut type profile.

3. according to claim 1 or a kind of splicing sleeve claimed in claim 2, it is characterized in that: there is the frustum of a cone space coordinating with a side conical tube of described inner tube the inside of described long outer tube, and there is the frustum of a cone space coordinating with the opposite side conical tube of described inner tube the inside of described short outer tube.