CN212342856U

CN212342856U - Anti-seismic terminal

Info

Publication number: CN212342856U
Application number: CN202021230890.2U
Authority: CN
Inventors: 李永青; 李沐柔
Original assignee: Yuanli Beijing Technology Development Co ltd
Current assignee: Yuanli Beijing Technology Development Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-01-12
Anticipated expiration: 2030-06-29

Abstract

The utility model belongs to the technical field of electrical accessories, in particular to an anti-seismic terminal, which comprises a sleeve body; the one end of sleeve pipe body is provided with the turn-over portion that is used for crimping wire sheath, the free end of turn-over portion to the inside extension of sleeve pipe body, just turn-over portion with the plane at the port place of sleeve pipe body has contained angle a. Be provided with the turnover portion on the sleeve pipe body in this antidetonation terminal, this turnover portion can play better extrusion fixed effect to the electric wire to avoid under the vibrations condition, the wire sheath on the electric wire is deviate from by the sleeve pipe body, leads to the emergence of the condition of the circuit short circuit that the exposed end of electric wire exposes and cause.

Description

Anti-seismic terminal

Technical Field

The utility model belongs to the technical field of electrical accessories, concretely relates to antidetonation terminal.

Background

The anti-seismic terminal is a common part for realizing electrical connection, and along with the rapid development of the electrical industry, the anti-seismic terminal is applied more and more as an indispensable connecting piece, and is widely applied to various electrical equipment.

At present, the series of crimping terminals (namely the anti-seismic terminals) with metal anti-seismic support sleeves produced in China mainly utilize copper sleeves to compress electric wires to realize an anti-seismic function;

however, since the inside of the copper sheath is smooth, the wire sheath (the insulation layer of the wire) is easily removed from the crimp terminal in case of vibration, and if the wire sheath is removed from the crimp terminal, the metal wire inside the electric wire is exposed, which may cause a short circuit of the wire. Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide an anti-vibration terminal capable of preventing a wire sheath from coming off.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that prior art exists, the utility model provides an antidetonation terminal to solve among the prior art wire sheath and deviate from easily in by the crimping terminal, and lead to the metal wire to expose the technical problem of the circuit short circuit that causes.

The utility model discloses a following technical scheme specifically realizes:

an anti-seismic terminal comprising a bushing body;

the one end of sleeve pipe body is provided with the turn-over portion that is used for crimping wire sheath, the free end of turn-over portion to the inside extension of sleeve pipe body, just turn-over portion with the plane at the port place of sleeve pipe body has contained angle a.

For better realisation of the invention, the above construction is further optimized by the angle a being in the range of 45 ° to 90 °.

In order to achieve the object, the present invention is further optimized in the above structure, wherein the free end of the folded portion is provided with an engaging tooth for clamping the wire sheath.

In order to better realize the utility model, the structure is further optimized, the shape of the occlusion tooth is trapezoidal, and the bottom edge of the occlusion tooth is connected with the folding part.

In order to better realize the utility model, the structure is further optimized, the shape of the occlusion tooth is triangular, and the bottom edge of the occlusion tooth is connected with the folding part.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the sleeve pipe body is kept away from the one end of turning over a portion is provided with uncovered.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the sleeve pipe body is the cylinder structure, the diameter of open free end is greater than the diameter of sleeve pipe body.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, be provided with the beam waist line on the sleeve pipe body, the beam waist line is located the middle part of sleeve pipe body, just the beam waist line encircles the circumference lateral wall setting of sleeve pipe body.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, this antidetonation terminal still includes insulating cover, insulating cover is established on the lateral wall of sleeve pipe body.

In order to better realize the utility model, in the structure, the sleeve body is made of copper.

To sum up, the utility model discloses following technological effect has:

be provided with the turnover portion on the sleeve pipe body in this antidetonation terminal, this turnover portion can play better extrusion fixed effect to the electric wire to avoid under the vibrations condition, the wire sheath on the electric wire is deviate from by the sleeve pipe body, leads to the emergence of the condition of the circuit short circuit that the exposed end of electric wire exposes and cause.

Furthermore, the utility model discloses an optimization scheme still has following technological effect:

(1) the utility model discloses an optimization scheme is provided with the interlock tooth for the free end of turning over a portion, the fixed electric wire that this interlock tooth can be better to further improve the stability that the electric wire is connected with the wiring end, take place in order to avoid the condition of circuit short circuit.

(2) The utility model discloses an optimization scheme is provided with uncovered for the one end that the cover pipe body kept away from the turnover portion, and this open diameter is greater than the diameter of cover pipe body to during the wire pressing cylinder in the messenger's wiring end is convenient for insert the cover pipe body, thereby make the production convenience more of this antidetonation terminal.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an anti-seismic terminal according to a first embodiment;

FIG. 2 is a diagram illustrating a state of use of the anti-vibration terminal according to the first embodiment;

fig. 3 is a schematic structural view of an anti-seismic terminal according to a second embodiment.

Reference numerals:

1. a sleeve body;

2. a folding part;

3. engaging teeth;

4. opening the mouth;

5. a girdling line;

6. and an insulating sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1 and 2:

an anti-seismic terminal includes a bushing body 1;

one end of the sleeve body 1 is provided with a folded part 2 for crimping a lead sheath, the free end of the folded part 2 extends towards the inside of the sleeve body 1, and an included angle a exists between the folded part 2 and the plane where the port of the sleeve body 1 is located.

In the production process, the wiring terminal is arranged at one end of the sleeve body 1 far away from the turnover part 2, namely, a wire pressing cylinder of the wiring terminal is positioned in the sleeve body 1; when the electric wire is installed, an operator can insert the electric wire into the sleeve body 1 from one end of the sleeve body 1 with the turnover part 2, so that the exposed part of the electric wire is inserted into the wire pressing cylinder; at the moment, an operator can extrude the sleeve body 1 and the wire pressing barrel through the pressing device, so that the sleeve body 1 can be tightly coated on the connection part of the electric wire and the wiring terminal;

the turnover part 2 arranged on the sleeve body 1 in the anti-seismic terminal can better extrude and fix the electric wire, so that the situation that the exposed end of the electric wire is exposed to cause a circuit short circuit due to the fact that a wire sheath on the electric wire is separated from the sleeve body 1 under the vibration condition is avoided.

Optimally, the angle range of the included angle a is 45-90 degrees; the scope of this contained angle a makes folded part 2 can also avoid the wire sheath to be broken or the condition of impaling by folded part 2 under the circumstances that can compress tightly the electric wire to the effectual security that improves this antidetonation terminal takes place.

Example two:

as shown in fig. 3:

further optimization is carried out on the basis of the first embodiment, the folding part 2 is provided with meshing teeth 3; the meshing teeth 3 can increase the fastening capacity of the anti-seismic terminal, so that the situation that the wire sheath is separated from the sleeve body 1 is avoided more effectively.

Specifically, the shape of the engaging teeth 3 is trapezoidal, and the bottom edge of the engaging teeth 3 is connected with the free end of the folded part 2, that is, the longer side of the engaging teeth 3 is connected with the folded part 2, and the shorter side of the engaging teeth 3 faces the inside of the sleeve body 1, so that the trapezoidal engaging teeth 3 can compress and fix the electric wire.

In addition, the shape of the above-mentioned engaging teeth 3 can also be set as a triangular structure, one side of the triangular engaging teeth 3 is connected with the free end of the folded part 2, i.e. one corner of the triangular engaging teeth 3 faces to the inside of the sleeve body 1;

when using the antidetonation terminal of this structure to fasten electric wire and wiring end, interlock tooth 3 can be tightly clenched the wire sheath to the condition that the wire sheath is deviate from by the inside of sleeve pipe body 1 takes place, thereby improves the fastening effect of this antidetonation terminal.

Example three:

as shown in fig. 1 to 3:

as a further optimization of the first embodiment and the second embodiment, an opening 4 is formed at one end of the sleeve body 1 far away from the folded part 2, and the opening 4 is larger than the opening at the end of the sleeve body 1, so that the insertion of the wire pressing cylinder of the wiring terminal is facilitated, and the production of the anti-seismic terminal is simpler and more convenient.

Preferably, the sleeve body 1 is a cylindrical structure, and the diameter of the opening 4 is larger than that of the sleeve body 1.

Optimally, the sleeve body 1 is provided with a girdling line 5, the girdling line 5 is positioned in the middle of the sleeve body 1, and the girdling line 5 is arranged around the circumferential side wall of the sleeve body 1;

this beam waist line 5 can make the inside of sleeve pipe body 1 form a spigot surface, and this spigot surface can make the wire gather together to the middle part to make in the exposed end easier insert the wire pressing barrel of wiring end in the electric wire, make the wire with be connected more convenient of wiring end.

Optimally, the anti-seismic terminal further comprises an insulating sleeve 6, and the insulating sleeve 6 is sleeved on the outer side wall of the sleeve body 1, so that the insulating sleeve 6 can play a good role in protecting the sleeve body 1.

Preferably, the above-mentioned sleeve body 1 is made of metallic copper.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An anti-seismic terminal, characterized in that: comprises a sleeve body (1);

one end of the sleeve body (1) is provided with a folding part (2) for crimping a wire sheath, the free end of the folding part (2) extends towards the inside of the sleeve body (1), and an included angle a is formed between the folding part (2) and the plane where the port of the sleeve body (1) is located.

2. The shock-resistant terminal of claim 1, wherein: the included angle a ranges from 45 ° to 90 °.

3. The shock-resistant terminal of claim 2, wherein: the free end of the turnover part (2) is provided with an occlusion tooth (3) for clamping a wire sheath.

4. The shock-resistant terminal of claim 3, wherein: the shape of the occlusion teeth (3) is trapezoidal, and the bottom edges of the occlusion teeth (3) are connected with the turnover part (2).

5. The shock-resistant terminal of claim 3, wherein: the shape of the occlusion teeth (3) is triangular, and the bottom edges of the occlusion teeth (3) are connected with the turnover part (2).

6. A shock-resistant terminal according to any one of claims 1 to 5, wherein: an opening (4) is formed in one end, far away from the folding part (2), of the sleeve body (1).

7. The shock-resistant terminal of claim 6, wherein: the sleeve body (1) is of a cylindrical structure, and the diameter of the opening (4) is larger than that of the sleeve body (1).

8. The shock-resistant terminal of claim 7, wherein: the sleeve is characterized in that a girdling line (5) is arranged on the sleeve body (1), the girdling line (5) is located in the middle of the sleeve body (1), and the girdling line (5) surrounds the circumferential side wall of the sleeve body (1).

9. The shock-resistant terminal of claim 1, wherein: the sleeve is characterized by further comprising an insulating sleeve (6), wherein the insulating sleeve (6) is sleeved on the outer side wall of the sleeve body (1).

10. The shock-resistant terminal of claim 1, wherein: the sleeve body (1) is made of copper.