阅读说明：本技术 一种电力检修用线缆快速接线装置 (Electric power overhauls uses quick termination of cable ) 是由 高焕根 于 2020-05-28 设计创作，主要内容包括：本发明属于接线工具领域,尤其为一种电力检修用线缆快速接线装置,包括卡壳,卡壳的数量为两个,卡壳的外壁固定连接有两个呈对称分布的限位块,两个卡壳内均螺接固定有接线端座,接线端座的外壁开设有两个与限位块相配合的限位卡槽,两个限位卡槽分别卡合固定于两个限位块内,接线端座的内壁固定连接有两个呈对称分布的挤压夹块,其中一个接线端座的内部固定连接有子端插簧接片；本方案在进行线缆对接时无需使用任何工具,方便于检修使用,且因无需使用钳子等工具,也减少了操作人员手部挤伤的安全隐患,且操作方式简单,可有效提高线缆对接时的工作效率,从而提高了实用性。(The invention belongs to the field of wiring tools, and particularly relates to a quick cable wiring device for electric power overhaul, which comprises two clamping shells, wherein the outer walls of the two clamping shells are fixedly connected with two limiting blocks which are symmetrically distributed; this scheme need not to use any instrument when carrying out the cable butt joint, and convenient in the maintenance use, and because of need not to use instruments such as pliers, has also reduced the crowded potential safety hazard of hindering of operating personnel hand, and operating means is simple, work efficiency when can effectively improving the cable butt joint to the practicality has been improved.)

1. A quick cable connection device for electric power overhaul comprises a clamping shell (1) and is characterized in that, the number of the clamping shells (1) is two, the outer wall of the clamping shell (1) is fixedly connected with two limiting blocks (11) which are symmetrically distributed, the two clamping shells (1) are fixedly connected with a wiring end seat (2) in a screwed mode, the outer wall of the wiring end seat (2) is provided with two limiting clamping grooves (21) matched with the limiting blocks (11), the two limiting clamping grooves (21) are respectively clamped and fixed in the two limiting blocks (11), the inner wall of the wiring end seat (2) is fixedly connected with two symmetrically distributed extrusion clamping blocks (22), the inside of one of the wiring end seats (2) is fixedly connected with a sub-end inserting spring connecting sheet (3), and the inside of the other wiring end seat (2) is fixedly connected with a female end inserting spring connecting sheet (4) and two auxiliary clamping blocks (5) which are symmetrically distributed.

2. The quick cable connection device for electric power overhaul according to claim 1, wherein the two sides of the outer wall of the terminal block (2) are provided with inclined surfaces (201).

3. The quick cable connection device for electric power overhaul according to claim 1, wherein an internal thread (12) is formed inside the clamping shell (1), and an external thread (202) matched with the internal thread (12) is formed on the outer wall of the terminal base (2).

4. The quick cable connection device for electric power overhaul according to claim 1, wherein a friction layer (51) is fixedly connected to one side wall of the auxiliary fixture block (5).

5. The quick cable connection device for electric power overhaul according to claim 4, wherein the friction layer (51) is made of rubber.

6. The quick cable connection device for electric power overhaul according to claim 1, wherein the clamping shell (1), the terminal base (2) and the extrusion clamping block (22) are all made of plastic.

7. The quick cable connection device for electric power overhaul according to claim 1, wherein the male end plug spring contact (3) and the female end plug spring contact (4) are made of galvanized copper.

Technical Field

The invention belongs to the field of wiring tools, and particularly relates to a quick wiring device for a cable for electric power overhaul.

Background

When electric power overhauls needs the butt joint cable, use mostly to the formula of inserting female terminal of colding pressing, although this kind of binding post is pegged graft stably, need just can operate through specific terminal crimping pincers when being connected between terminal and cable, and operating efficiency is lower, and also can have the risk of extruding the operating personnel hand among the crimping process, has consequently reduced the practicality.

Disclosure of Invention

The invention aims to provide a cable quick connection device for electric power overhaul, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an electric power overhauls uses quick termination of cable, includes the card shell, the quantity of card shell is two, two of the outer wall fixedly connected with of card shell are the stopper of symmetric distribution, two equal spiro union is fixed with the terminal holder of working a telephone switchboard in the card shell, the outer wall of terminal holder of working a telephone switchboard seted up two with stopper matched with spacing draw-in groove, two spacing draw-in groove block respectively is fixed in two in the stopper, two of the inner wall fixedly connected with of terminal holder of working a telephone switchboard are the extrusion clamp splice of symmetric distribution, one of them the spring splicing is inserted to the inside fixedly connected with son end of terminal holder of working a telephone switchboard, another the spring splicing is inserted to the inside fixedly connected with mother end of terminal holder and two supplementary fixture blocks that are symmetric distribution.

As a still further scheme of the invention: both sides of the outer wall of the wiring end seat are provided with inclined planes.

As a still further scheme of the invention: an internal thread is formed in the clamping shell, and an external thread matched with the internal thread is arranged on the outer wall of the wiring end seat.

As a still further scheme of the invention: and a friction layer is fixedly connected to one side wall of the auxiliary clamping block.

As a still further scheme of the invention: the friction layer is made of rubber.

As a still further scheme of the invention: the clamping shell, the wiring end seat and the extrusion clamping block are all made of plastic materials.

As a still further scheme of the invention: the sub-end inserting spring connecting piece and the female end inserting spring connecting piece are made of galvanized copper.

Compared with the prior art, the invention has the beneficial effects that:

after two cables are inserted into the two clamping shells, the wiring end seat enters the inside of the clamping shells through the thread matching between the external threads of the wiring end seat and the internal threads of the clamping shells, when the wiring end seat gradually moves towards the inside of the clamping shells under the influence of the threads, the inclined plane of the wiring end seat gradually contacts with the inner walls of the clamping shells and deforms under the extrusion of the inner walls of the clamping shells, so that the two extrusion clamping blocks are driven to extrude the surfaces of the cables positioned in the wiring end seat, the cables are fixed, then the wiring end seat with the female end insertion spring splicing sheet is inserted into the wiring end seat with the sub end insertion spring splicing sheet, the butt joint of the two cables is realized, the scheme does not need to use any tool when the cables are in butt joint, is convenient to overhaul and use, reduces the potential safety hazard of hand extrusion injury of operators due to no need to use tools such as pliers and the like, has simple operation mode, and can effectively improve the working efficiency when the cables are in butt joint, thereby improving the practicality.

Drawings

FIG. 1 is a schematic structural diagram of a cable quick connection device for electric power overhaul;

FIG. 2 is a state diagram of a cable quick connection device for electric power overhaul in which a cable is plugged into a card housing;

FIG. 3 is a schematic structural diagram of a female-end insertion spring tab and a female-end insertion spring tab of a cable quick connection device for electric power overhaul;

fig. 4 is an enlarged view of a portion a in fig. 1.

In the figure: 1. clamping a shell; 11. a limiting block; 12. an internal thread; 2. a terminal block; 201. a bevel; 202. an external thread; 21. a limiting clamping groove; 22. extruding the clamping block; 3. the sub-end is inserted into the spring contact sheet; 4. the female end is inserted with a spring connecting sheet; 5. an auxiliary clamping block; 51. and (4) a friction layer.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the invention, a cable quick connection device for electric power overhaul includes two card housings 1, two card housings 1 are fixedly connected to the outer wall of the card housing 1, two limit blocks 11 are symmetrically distributed, a connection terminal base 2 is fixedly screwed in the two card housings 1, two limit clamp grooves 21 matched with the limit blocks 11 are formed in the outer wall of the connection terminal base 2, the two limit clamp grooves 21 are respectively clamped and fixed in the two limit blocks 11, two extrusion clamp blocks 22 are symmetrically distributed and fixedly connected to the inner wall of the connection terminal base 2, a sub-terminal plug spring connection piece 3 is fixedly connected to the inside of one connection terminal base 2, and a female terminal plug spring connection piece 4 and two auxiliary clamp blocks 5 are symmetrically distributed and fixedly connected to the inside of the other connection terminal base 2; when the cable connector is used, two cables to be connected respectively pass through the two clamping shells 1, the wire cores of the two cables are respectively contacted with the male end inserting spring splicing pieces 3 and the female end inserting spring splicing pieces 4 in the two wiring end seats 2, then the patch wiring end seats 2 are screwed by hands, the wiring end seats 2 enter the clamping shells 1 when being screwed through the thread matching between the external threads 202 of the wiring end seats 2 and the internal threads 12 of the clamping shells 1, when the wiring end seats 2 gradually progress towards the inside of the clamping shells 1 under the influence of the threads, the inclined surfaces 201 of the wiring end seats 2 gradually contact with the inner walls of the clamping shells 1, the wiring end seats 2 are extruded by the inner walls of the clamping shells 1 to generate deformation after continuing to move, the distance between the two extruding clamping blocks 22 gradually decreases after the inclined surfaces 201 of the wiring end seats 2 deform, and at the moment, the two extruding clamping blocks 22 extrude the surface skins of the cables positioned in the wiring end seats 2, thereby realizing the fixation of the cable, stopping the twisting of the wire connecting seat 2 until the limiting block 11 enters the limiting clamping groove 21 along with the sliding of the wire connecting seat 2 in the clamping shell 1, at the moment, the wire connecting seat 2 is limited by the matching of the limiting clamping groove 21 and the limiting block 11, the whole position is stable and can not move, playing the role of improving the stability of the extrusion clamping block 22 in the wire connecting seat 2 when clamping the cable, so that the wire connecting seat 2 can not be separated from the clamping shell 1, then the wire connecting seat 2 with the female end inserting spring splicing sheet 4 can be inserted into the wire connecting seat 2 with the male end inserting spring splicing sheet 3, realizing the butt joint of two cables, when the male end inserting spring splicing sheet 3 is inserted into the female end inserting spring splicing sheet 4, the auxiliary clamping block 5 enters the inner side of the wire connecting seat 2, the friction layer 51 arranged on the auxiliary clamping block 5 is extruded with the inner wall of the wire connecting seat 2, and the friction force between the auxiliary clamping block 5 and the wire connecting seat 2 is increased, the stability of the butt joint of the male end inserting spring contact piece 3 and the female end inserting spring contact piece 4 is improved.

In fig. 1: both sides of the outer wall of the terminal block 2 are provided with inclined planes 201, the inside of the clamping shell 1 is provided with internal threads 12, and the outer wall of the terminal block 2 is provided with external threads 202 matched with the internal threads 12; through the mutual cooperation of the internal thread 12 of the card shell 1 and the external thread 202 of the terminal block 2, when the hand is twisting the terminal block 2, the external thread 202 is influenced by the thread of the internal thread 12 to drive the terminal block 2 to move towards the inside of the card shell 1 through the guiding effect of the inclined plane 201.

In fig. 2: a friction layer 51 is fixedly connected to one side wall of the auxiliary fixture block 5, and the friction layer 51 is made of rubber; when the sub-end inserting spring contact piece 3 is inserted into the female-end inserting spring contact piece 4, the auxiliary fixture block 5 enters the inner side of the wiring end seat 2, the friction layer 51 arranged on the auxiliary fixture block 5 is extruded with the inner wall of the wiring end seat 2, the friction force between the auxiliary fixture block 5 and the wiring end seat 2 is increased, and the effect of improving the stability of the butt joint of the sub-end inserting spring contact piece 3 and the female-end inserting spring contact piece 4 is achieved.

In fig. 1 and 2: the clamping shell 1, the wiring terminal seat 2 and the extrusion clamping block 22 are all made of plastic materials; the plastic material has good toughness and insulativity, prevents that the hand of people from directly touching son end plug spring splicing 3 and female end plug spring splicing 4 after the cable is connected, protects the human body.

In fig. 1 and 3: the sub-end inserting spring connecting piece 3 and the female end inserting spring connecting piece 4 are made of galvanized copper; the zinc-plated copper has good conductive performance, the sub-end inserting spring contact piece 3 is a sub-end contact piece in the existing inserting spring terminal, and the female-end inserting spring contact piece 4 is a female-end contact piece in the existing inserting spring terminal, and the method for inserting and fixing the zinc-plated copper is not repeated for the prior art.

The working principle of the invention is as follows: when the cable connector is used, two cables to be connected respectively pass through the two clamping shells 1, the wire cores of the two cables are respectively contacted with the male end inserting spring splicing pieces 3 and the female end inserting spring splicing pieces 4 in the two wiring end seats 2, then the patch wiring end seats 2 are screwed by hands, the wiring end seats 2 enter the clamping shells 1 when being screwed through the thread matching between the external threads 202 of the wiring end seats 2 and the internal threads 12 of the clamping shells 1, when the wiring end seats 2 gradually progress towards the inside of the clamping shells 1 under the influence of the threads, the inclined surfaces 201 of the wiring end seats 2 gradually contact with the inner walls of the clamping shells 1, the wiring end seats 2 are extruded by the inner walls of the clamping shells 1 to generate deformation after continuing to move, the distance between the two extruding clamping blocks 22 gradually decreases after the inclined surfaces 201 of the wiring end seats 2 deform, and at the moment, the two extruding clamping blocks 22 extrude the surface skins of the cables positioned in the wiring end seats 2, thereby realizing the fixation of the cable, stopping the twisting of the wire connecting seat 2 until the limiting block 11 enters the limiting clamping groove 21 along with the sliding of the wire connecting seat 2 in the clamping shell 1, at the moment, the wire connecting seat 2 is limited by the matching of the limiting clamping groove 21 and the limiting block 11, the whole position is stable and can not move, playing the role of improving the stability of the extrusion clamping block 22 in the wire connecting seat 2 when clamping the cable, ensuring that the wire connecting seat 2 can not be separated from the clamping shell 1, then inserting the wire connecting seat 2 with the female end inserting spring splicing sheet 4 into the wire connecting seat 2 with the sub end inserting spring splicing sheet 3, realizing the butt joint of two cables, and the scheme does not need to use any tool when the cable is in butt joint, is convenient for maintenance and use, and also reduces the potential safety hazard of hands of operators because of not needing to use tools such as pliers and the like, has simple operation mode, and can effectively improve the working efficiency when the cable is in butt joint, thereby improving the practicality.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.