CN216818217U

CN216818217U - Elastic contact type electric contactor

Info

Publication number: CN216818217U
Application number: CN202122796403.XU
Authority: CN
Inventors: 苏剑; 段晓波
Original assignee: Chengdu Hongming Electronics Co Ltd
Current assignee: Chengdu Hongming Electronics Co Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-06-24
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses an elastic contact type electric contactor which comprises an upper cover and a base which are connected with each other, wherein a printed board is arranged in the upper cover, a contact piece is arranged in the base, an upper connecting column which protrudes downwards is arranged on the upper cover, an upper connecting column which protrudes upwards is arranged on the base, an axial connecting hole is formed in the lower connecting column, the upper connecting column is arranged in the connecting hole, one end of the contact piece, which is used for being in contact with the printed board, is arranged as a front end, the front section of the contact piece is composed of a plurality of contact strips which are arranged in parallel, and the front ends of the contact strips are bent to form arc-shaped contacts. According to the utility model, the contact piece of the electric contactor is elastically contacted with the printed board, so that the electric contactor can quickly change the electric connection relation or the electric connection on-off state by rotating the upper cover, and the use requirement of a specific application occasion is met; the front section of the contact piece is designed into a structure with a plurality of contact strips arranged in parallel, so that the contact piece has better elasticity, can ensure close contact with a printed board, is not easy to deform, and prolongs the service life.

Description

Elastic contact type electric contactor

Technical Field

The utility model relates to an electric contactor, in particular to an elastic contact type electric contactor based on connection of a printed board and a contact element.

Background

The electric contact is fixed, and different electric conduction channels cannot be replaced, so that the electric contact is difficult to adapt to certain application occasions needing to change the connection relation or the on-off state quickly. In addition, the contact of the conventional electrical contactor is an integral metal sheet or metal column, which may be deformed easily when being inserted into another workpiece due to insufficient strength if it is too thin, and may have an extremely small elasticity if it is too thick, resulting in poor contact effect and wear of the contact member contacting the contact, resulting in a reduced life span.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide an elastic contact type electric contactor for solving the above problems.

The utility model achieves the above purpose through the following technical scheme:

the utility model provides an elasticity contact electric contactor, includes interconnect's upper cover and base, be equipped with the printing board in the upper cover, be equipped with the contact piece in the base, be equipped with on the printing board be used for with the working face of the electrically conductive contact of contact piece, on cover and be equipped with downward bellied last spliced pole, be equipped with the bellied lower spliced pole that makes progress on the base, the spliced pole is equipped with axial connecting hole down, it arranges in to go up the spliced pole in the connecting hole, establish be used for on the contact piece with the one end of printing board contact is the front end, the anterior segment of contact piece comprises many contact strips of arranging side by side just the curved arc contact that forms of contact strip front end.

Preferably, in order to improve the elasticity of the contact piece, facilitate positioning and installation for realizing punch forming and improve the strength of the rear end of the contact piece under the condition that the thickness of the contact piece body is not increased, the rear ends of the three integrally formed contact strips are connected with each other to form the middle part of the contact piece, the middle part of the contact piece is provided with a positioning hole, and the rear section of the contact piece is folded in half twice to form a three-layer laminated structure.

Preferably, in order to facilitate connection of the contact piece with another member, a connecting portion is formed by extending a middle portion of the contact piece to one side and is provided with a connecting hole.

Preferably, in order to facilitate quick installation of the printed board and quick installation of the electric contactor on other components, the printed board is installed on the upper cover through a first reverse buckle piece arranged on the upper cover, and a second reverse buckle piece used for being connected with other components is arranged on the base.

Preferably, in order to facilitate the limited rotation of the upper cover, the upper cover is circular, a position on the base, which is close to the edge, is provided with a base limiting column protruding upwards, and the base limiting columns are distributed outside the circumference of the upper cover and located on the same virtual circumference.

Specifically, the number of the base limiting columns is four.

Preferably, in order to limit the rotation angle of the upper cover, an upper cover limiting column protruding towards the outer circumferential direction is arranged on the upper cover between two base limiting columns, and the width of the upper cover limiting column in the circumferential direction of the upper cover is smaller than the width of a gap between the two corresponding base limiting columns.

The utility model has the beneficial effects that:

according to the utility model, the contact piece of the electric contactor is in elastic contact with the printed board, so that the electric contactor can rapidly change the electric connection relation or the electric connection on-off state by rotating the upper cover, and the use requirement of a specific application occasion is met; the front section of the contact piece is designed into a structure that a plurality of contact strips are arranged in parallel, so that the contact piece has better elasticity, can ensure close contact with a printed board, is not easy to deform, prolongs the service life, and is convenient for stamping two contact pieces at one time.

Drawings

Fig. 1 is a perspective view of an elastic contact electrical contactor according to the present invention before assembly, in which the electrical contactor is shown in a forward position;

fig. 2 is a perspective view of the spring contact electrical contactor of the present invention prior to assembly, with the electrical contactor in an inverted position;

fig. 3 is a perspective view of a contact piece of the elastic contact type electric contactor according to the present invention;

fig. 4 is a perspective view of the assembled resilient contact electrical contactor of the present invention, shown in a forward position.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 4, the elastic contact type electric contactor of the present invention includes an upper cover 1 and a base 2 connected to each other, a printed board 12 is disposed in the upper cover 1, a contact piece 23 is disposed in the base 2, a working surface (not marked in the figures) for electrically contacting the contact piece 23 is disposed on the printed board 12, an upper connection post 11 protruding downward is disposed on the upper cover 1, a lower connection post 22 protruding upward is disposed on the base 2, the lower connection post 22 is disposed with an axial connection hole (not marked in the figures), the upper connection post 11 is disposed in the connection hole, one end of the contact piece 23 for contacting the printed board 12 is disposed as a front end, a front section of the contact piece 23 is formed by a plurality of contact bars 232 arranged in parallel, and the front ends of the contact bars 232 are bent to form an arc-shaped contact 231. Preferably, the rear ends of the three integrally formed contact strips 232 are connected with each other to form a middle portion 235 of the contact piece 23, the middle portion 235 of the contact piece 23 is provided with a positioning hole 236, the rear section 237 of the contact piece 23 is folded twice to form a three-layer laminated structure, and the rear sections 237 of the two contact pieces 23 are placed in the two interface ends 24 of the base 2; the middle part 235 of the contact piece 23 extends to one side to form a connecting part 234, and the connecting part 234 is provided with a connecting hole 233; the printed board 12 is arranged on the upper cover 1 through a first reverse fastener 13 arranged on the upper cover 1, and a second reverse fastener 25 used for being connected with other parts is arranged on the base 2; the upper cover 1 is circular, the position of the base 2 close to the edge is provided with a base limiting column 21 which protrudes upwards, and a plurality of base limiting columns 21 are distributed outside the circumference of the upper cover 1 and are positioned on the same virtual circumference; four base limiting columns 21 are provided; the position that lies in between two of them spacing posts of base 21 on the upper cover 1 is equipped with the spacing post of upper cover 14 of protruding to the peripheral direction, and the width of the spacing post of upper cover 14 in upper cover 1 peripheral direction is less than the clearance width between the spacing post 21 of two corresponding bases.

As shown in fig. 1 to 4, in use, the upper connection column 11 of the upper cover 1 is placed in the connection hole of the lower connection column 22 on the base 2, and the specific connection structure between the upper connection column 11 and the lower connection column 22 may be as follows: the upper connecting column 11 is provided with a screw hole, a screw (not shown) passes through the connecting hole of the lower connecting column 22 from bottom to top and then is connected with the screw hole on the upper connecting column 11, the nut of the screw is blocked by the lower end of the connecting hole of the lower connecting column 22 or an inner side step, and the screw and the upper connecting column 11 can also be connected by adopting a buckle; or, the upper cover 1 is connected with the base 2 through other buckles, so that the upper connecting column 11 is connected with the lower connecting column 22 through screws, and only the limit connection is needed.

In the using process, if the electrical connection relation or the electrical connection on-off state between the contact piece 23 and the printed board 12 needs to be changed, the function can be quickly realized only by rotating the upper cover 1, which is very convenient.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.

Claims

1. The utility model provides an elasticity contact electric contactor, includes interconnect's upper cover and base, be equipped with the printing board in the upper cover, be equipped with the contact piece in the base, be equipped with on the printing board be used for with the working face of contact piece electrically conducts, its characterized in that: the upper cover is provided with an upper connecting column protruding downwards, the base is provided with a lower connecting column protruding upwards, the lower connecting column is provided with an axial connecting hole, the upper connecting column is arranged in the connecting hole, one end of the contact piece, which is used for being in contact with the printed board, is the front end, the front section of the contact piece is formed by a plurality of contact strips arranged in parallel, and the front end of each contact strip is bent to form an arc-shaped contact.

2. The resilient contact electrical contactor of claim 1, wherein: the back ends of the three integrally formed contact strips are connected with each other to form the middle part of the contact piece, the middle part of the contact piece is provided with a positioning hole, and the back section of the contact piece is folded twice to form a three-layer laminated structure.

3. The resilient contact electrical contactor of claim 2, wherein: the middle part of the contact piece extends to one side to form a connecting part, and the connecting part is provided with a connecting hole.

4. The resilient contact electrical contactor as claimed in claim 1, 2 or 3, wherein: the printed board is installed on the upper cover through a first left-hand fastener arranged on the upper cover, and a second left-hand fastener used for being connected with other parts is arranged on the base.

5. The resilient contact electrical contactor as claimed in claim 1, 2 or 3, wherein: the upper cover is circular, the position that is close to the edge on the base is equipped with the spacing post of bellied base that makes progress, and is a plurality of the spacing post of base distribute in outside the circumference of upper cover and lie in same virtual circumference.

6. The resilient contact electrical contactor of claim 5, wherein: the number of the base limiting columns is four.

7. The resilient contact electrical contactor of claim 5, wherein: the upper cover is provided with two upper cover limiting columns protruding towards the outer circumferential direction at positions between the base limiting columns, and the width of the upper cover limiting columns in the circumferential direction of the upper cover is smaller than the width of a gap between the two corresponding base limiting columns.