CN218975805U

CN218975805U - Single-strand wire connecting terminal

Info

Publication number: CN218975805U
Application number: CN202222204673.1U
Authority: CN
Inventors: 李明; 王宗礼; 李芳�; 刘文娟; 魏继成; 洪光辉; 于娇
Original assignee: Shandong Guoyan Electric Power Co ltd
Current assignee: Shandong Guoyan Electric Power Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-05-05
Anticipated expiration: 2032-08-22

Abstract

A single-wire binding post for connect the conductive cell of two single wires, binding post includes terminal box and terminal jack catch, the inside of terminal box is provided with two parallel electric core grooves, two the opening in electric core groove is facing to terminal box both sides dorsad, two the electric core groove can hold the conductive cell of two single wires respectively and insert, the terminal jack catch includes the connection piece, the connection piece adopts the metal good conductor preparation, the connection piece can insert the conductive cell in connecting two electric core grooves in the terminal box. The wiring terminal is simple in structure and convenient to use, and when in use, the conductive battery core is inserted into the battery core groove of the terminal box, and then the terminal clamping jaw is inserted into the conductive battery core which can be communicated with the two single wires.

Description

Single-strand wire connecting terminal

Technical Field

The utility model relates to the technical field of power cables, in particular to a single-wire wiring terminal.

Background

The individual wires refer to wires having only one thick conductive cell inside, which are widely used in current power construction because of their excellent oxidation resistance and long service life.

In the process of various electric power construction, because of various reasons, the conductive electric cores of two single wires are often required to be connected, the current mode of connecting the conductive electric cores of the two single wires is mainly a straight connection method, namely, the conductive electric cores of the two single wires are twisted into a spiral shape by using tools such as pliers and the like, the connection mode extremely tests the operation proficiency of an electrician master, unskilled operation can lead the conductive electric cores of the two single wires to be unable to be stably connected, the normal work of an electric power circuit is influenced, the conductive electric cores of the single wires are often high in hardness, the twisting by the pliers is very laborious, and therefore, the efficiency of the straight connection method is usually not high, and the labor cost and the time cost are wasted very much.

Disclosure of Invention

In order to solve the problems, the utility model provides the single-wire connecting terminal which is simple in structure and convenient to use, has lower requirements on an electrician master compared with the traditional in-line connecting method, does not need to consider the hardness problem of a conductive electric core, and can effectively improve the efficiency of connecting wires in power construction.

The technical scheme of the utility model is as follows:

According to the single-strand wiring terminal, the connecting slot is formed in the position where the connecting piece is inserted in the terminal box, and the connecting slot is vertically communicated with the two battery cells, so that the connecting piece can be communicated with the two conductive battery cells.

Furthermore, the upper end of connection piece still is equipped with the sealing plug, the relative position of connecting slot in the sealing plug is provided with the seal groove, after the sealing plug inserts the seal groove, can provide sealedly for connection piece and the electrically conductive electric core in the connecting slot.

Furthermore, the sealing plug and the terminal box are made of insulating flame-retardant plastic, so that the conductive battery core or the connecting sheet in the terminal box is prevented from being in contact connection with an external conductor.

According to the single-strand wiring terminal, the shape of the connecting piece comprises the M shape, the connecting clamping groove is formed in the position where the connecting piece contacts with the two conductive electric cores, the width of the connecting clamping groove at the position where the connecting clamping groove contacts with the conductive electric cores is 0.3-0.5mm smaller than the diameter of the conductive electric cores, when the connecting piece is inserted into the connecting slot, two sides of the lower end of the connecting piece can be extruded by the conductive electric cores, and the connecting piece is in contact connection with the inner side wall of the connecting slot, so that the connecting piece is in interference connection with the connecting slot.

Furthermore, the connecting piece is made of soft anaerobic pure copper, the anaerobic pure copper has lower hardness, and when the connecting piece is inserted into the connecting slot, the two sides of the lower end of the connecting piece are easily extruded and deformed to be attached to the inner side of the connecting slot.

According to the single-wire wiring terminal, the terminal box is provided with the 3 terminal clamping claws for insertion, the 3 terminal clamping claws can stably fix the conductive battery cells inserted into the terminal box, and the resistance of the joint of the two conductive battery cells can be reduced to be 1/3 of that of the original one.

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

the single-wire wiring terminal comprises a terminal box and terminal claws, wherein two independent parallel electric core grooves are formed in the terminal box, two electric cores made of metal are inserted from two ends of the terminal box, and then the terminal claws made of the metal are inserted from mounting clamping grooves reserved in the terminal box, so that the electric cores made of the metal can be communicated with the two electric cores made of the metal.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

In the drawings:

fig. 1 is a schematic structural view of a single-wire terminal in embodiment 1 of the present utility model;

fig. 2 is a plan view of the terminal block according to embodiment 1 of the present utility model;

fig. 3 is a sectional view of the terminal box according to embodiment 1 of the present utility model;

fig. 4 is a schematic view of the terminal claw according to embodiment 1 of the present utility model not fully inserted into the terminal block;

fig. 5 is a schematic view showing the complete insertion of the terminal claw into the terminal block according to embodiment 1 of the present utility model;

wherein reference numerals denote:

1. a terminal box; 11. a cell slot; 12. a connection slot; 13. sealing grooves; 2. a terminal claw; 21. a connecting sheet; 22. a connecting clamping groove; 23. a sealing plug; 3. and a conductive cell.

Detailed Description

Example 1

Referring to fig. 1-5, a single-wire connecting terminal is used for connecting conductive cells 3 of two single wires, the connecting terminal comprises a terminal box 1 and a terminal claw 2, two parallel cell grooves 11 are arranged in the terminal box 1, openings of the two cell grooves 11 face two opposite sides of the terminal box 1, the two cell grooves 11 can respectively accommodate insertion of the conductive cells 3 of the two single wires, the conductive cells 3 of the single wires are inserted into the terminal box 1 from two ends of the terminal box 1, the terminal claw 2 comprises a connecting sheet 21, the connecting sheet 21 is made of a metal good conductor, and the connecting sheet 21 can be inserted into the terminal box 1 to connect the conductive cells 3 in the two cell grooves 11. The wiring terminal is simple in structure and convenient to use, when in use, the conductive battery core 3 is inserted into the battery core groove 11 of the terminal box 1, then the terminal clamping jaw 2 is inserted to be capable of communicating the conductive battery core 3 of two single wires, compared with a linear connection method, the operation is simpler, the requirements on an electrician master are lower, the efficiency of connecting the conductive battery core 3 is higher, and the labor cost and the time cost are effectively saved.

Referring to fig. 4 and 5, the shape of the connecting piece 21 in this embodiment is an "M" shape, where a connection clamping groove 22 is provided at a position contacting with two conductive electric cores 3, where the width of the contact position of the connection clamping groove 22 with the conductive electric cores 3 is 0.3-0.5mm smaller than the diameter of the conductive electric cores 3, so that when the connecting piece 21 is inserted into the connection slot 12, both sides of the lower end of the connecting piece can be pressed by the conductive electric cores 3 and contact with the inner side wall of the connection slot 12, so that the connecting piece 21 is in interference connection with the connection slot 12, on one hand, the connecting piece 21 is prevented from falling out from the connection slot 12, on the other hand, the connecting piece 21 is ensured to clamp the conductive electric cores 3, and the connecting piece 21 is ensured to be in stable contact with the conductive electric cores 3 while the conductive electric cores 3 is ensured not to fall out from the electric core slot 11, so that the normal connection operation of the circuit is ensured.

Preferably, the connecting piece 21 is made of soft oxygen-free pure copper, the oxygen-free pure copper has lower hardness, when the connecting piece 21 is inserted into the connecting slot 12, two sides of the lower end of the connecting piece are easily pressed and deformed to be attached to the inner side of the connecting slot 12, so that the connecting piece 21 is easier to be inserted into the connecting slot 12, and the oxygen-free pure copper has small resistance, so that the electric energy loss and heat generated when current passes through the terminal can be effectively reduced.

Referring to fig. 2, as a preferred embodiment, 3 terminal claws 2 are provided on the terminal box 1 for insertion, a single terminal claw 2 limits the position of the conductive cell 3, the 3 terminal claws 2 are provided to stably fix the conductive cell 3 inserted into the terminal box 1, the conductive cell 3 is prevented from falling out of the cell slot 11 of the terminal box 1, and the 3 terminal claws 2 are provided to reduce the resistance at the joint of the two conductive cells 3 to 1/3 of the original resistance, reduce the electric energy loss caused by the connecting piece 21, and reduce the heat generated at the connecting piece 21.

Referring to fig. 3 and 4, the terminal box 1 is provided with a connection slot 12 at the position where the connection piece 21 is inserted, the connection slot 12 is vertically communicated with the two electric core slots 11, so that the connection piece 21 can be simultaneously contacted with the two electric core 3 after being inserted into the connection slot 12, and the two electric core 3 is communicated.

Further, the upper end of the connecting piece 21 is further provided with a sealing plug 23, the connecting slot 12 is provided with a sealing groove 13 at the relative position of the sealing plug 23, and after the sealing plug 23 is inserted into the sealing groove 13, sealing can be provided for the connecting piece 21 and the conductive cell 3 in the connecting slot 12, so that dust or water is prevented from entering from the opening of the connecting slot 12, and normal operation and use of a circuit are affected.

Preferably, the sealing plug 23 and the terminal box 1 are made of insulating flame-retardant plastic, so that the occurrence of electric leakage phenomenon caused by contact connection between the conductive electric core 3 or the connecting sheet 21 in the terminal box 1 and an external conductor is avoided, and the safety of the connecting terminal when the connecting terminal is connected with the conductive electric core 3 is effectively improved.

Claims

1. The utility model provides a single-wire binding post for connect two single-wire's conductive cell (3), its characterized in that, binding post includes terminal box (1) and terminal jack catch (2), the inside of terminal box (1) is provided with two parallel cell grooves (11), two the opening of cell groove (11) is towards terminal box (1) both sides that face away from, two cell grooves (11) can hold conductive cell (3) of two single-wire respectively and insert, terminal jack catch (2) include connection piece (21), connection piece (21) adopt the preparation of metal good conductor, connection piece (21) can insert conductive cell (3) in connecting two cell grooves (11) in terminal box (1).

2. A single-wire terminal according to claim 1, characterized in that the terminal box (1) is provided with a connection slot (12) at the position where the connection piece (21) is inserted, the connection slot (12) being in vertical communication with two cell slots (11).

3. A single-wire terminal according to claim 2, characterized in that the upper end of the connecting piece (21) is further provided with a sealing plug (23), and the connecting socket (12) is provided with a sealing groove (13) at the opposite position of the sealing plug (23).

4. A single-wire terminal according to claim 3, characterized in that the sealing plug (23) and the terminal box (1) are both made of insulating flame retardant plastic.

5. A single-wire terminal according to claim 1, characterized in that the shape of the connecting piece (21) comprises an "M" shape, which is provided with a connecting clamping groove (22) at the position of contact with two conductive cells (3), the width of the connecting clamping groove (22) at the position of contact with the conductive cells (3) being 0.3-0.5mm smaller than the diameter of the conductive cells (3).

6. A single wire terminal according to claim 5, characterized in that the connecting piece (21) is made of soft oxygen free pure copper.

7. A single wire terminal according to claim 1, characterized in that the terminal box (1) is provided with 3 terminal jaws (2) inserted.