CN113823514A

CN113823514A - Anti-bouncing contact

Info

Publication number: CN113823514A
Application number: CN202010558984.0A
Authority: CN
Inventors: 俞文华
Original assignee: Suzhou Huazhong Electrical Appliances Co ltd
Current assignee: Suzhou Huazhong Electrical Appliances Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-12-21

Abstract

The invention belongs to the technical field of control switches, and particularly relates to a bounce-proof contact which comprises a main body, wherein a fixed box is fixedly connected to the outer wall of one side of the main body, a sliding groove is formed in the fixed box, a sliding block is connected to the inner wall of the sliding groove of the fixed box in a sliding mode, a spring is fixedly connected to the surface of the sliding block, a fixed clamping plate is fixedly connected to one side of the sliding block, a side connecting plate is fixedly connected to one side, away from the fixed box, of the main body, a groove is formed in the surface of the side connecting plate, a fixed block is fixedly connected to the inner wall of the groove of the side connecting plate, a groove is formed in the surface of one side of the fixed block, and a rotating shaft is rotatably connected to the inner wall of the groove of the fixed block. According to the invention, through the arrangement, the rotary contact is fixed under the action of the elastic forces of the first spring ring and the second spring ring by inserting the joint into the rotary contact, and when the contact bounces, the rotary contact is bound through the first spring ring and the second spring ring, so that the effect of preventing the bounce is achieved.

Description

Anti-bouncing contact

Technical Field

The invention relates to the technical field of control switches, in particular to a bounce-proof contact.

Background

The contact is one of the key parts of the switch electric appliance, and can be divided into three types, namely a breakable contact, a sliding contact and a fixed contact according to the structure and the working characteristics, wherein the contact is one of the key parts of the switch electric appliance, and the main performance and the service life of the switch electric appliance are greatly determined by the quality of the contact material. The contact material is generally required to have good conductivity, lower contact resistance, higher fusion welding resistance, higher arc erosion resistance and material transfer resistance, and for the vacuum contact material, the electrical contact is a main line conductive contact material which is widely applied to relays, contactors, load switches, medium and low voltage circuit breakers, household appliances, automobile appliances (horns, lamps and ignition) and other switching appliances. Switching devices are widely used for voltage/current in open/close circuits, reliability of which directly affects reliable operation of the whole power system, and electrical contacts are one of important parts of the switching devices.

There are the following problems:

1. traditional auxiliary contact switches the in-process, it is contacted with the driving piece on the switch operating device to pass through hard lever one end more, the micro-gap switch contact on the other end and the auxiliary contact, thereby detect switch's deciliter state, generally, in the twinkling of an eye that the switch separating brake put in place, micro-gap switch on the auxiliary contact changes into normally closed contact from normally open contact, but traditional switch all has the condition of moving contact bounce-back when the separating brake, lead to micro-gap switch to change into normally closed contact from normally open contact, change into normally open contact from normally closed contact again, the circulation switches, stop until the bounce-back, like this, the deciliter state signal through auxiliary contact collection switch just appears frequently switching, the signal of feeding back for the customer is extremely inaccurate, can cause electrical apparatus malfunction and great loss on the circuit.

2. The conventional contact joint cannot be freely fixed according to the size of the joint during installation, and generally needs a specified joint for connection.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a bounce-proof contact, which solves the problem of bounce.

In order to achieve the purpose, the invention provides the following technical scheme: a bounce-proof contact comprises a main body, a fixed box is fixedly connected on the outer wall of one side of the main body, a sliding groove is arranged in the fixed box, the inner wall of the sliding groove of the fixed box is connected with a sliding block in a sliding way, the surface of the sliding block is fixedly connected with a spring, one side of the sliding block is fixedly connected with a fixed clamping plate, one side of the main body, which is far away from the fixed box, is fixedly connected with a side connecting plate, the surface of the side connecting plate is provided with a groove, the inner wall of the groove of the side connecting plate is fixedly connected with a fixed block, the surface of one side of the fixed block is provided with a groove, the inner wall of the groove of the fixed block is rotatably connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with a rotating contact, the surface of one end, close to the side fishplate bar, of the rotating contact is sleeved with a first spring ring, the inner wall of the rotating contact is fixedly connected with a connecting block, and the surface of one end of the rotating contact is sleeved with a second spring ring.

As a preferred technical solution of the present invention, the shape of the rotating contacts is circular arc, and the number of the rotating contacts is four, and the four rotating contacts are distributed in a ring shape at equal intervals.

As a preferable technical scheme of the invention, the first spring ring and the second spring ring are in the shape of circular rings, and the first spring ring and the second spring ring are made of stainless steel materials.

As a preferable technical scheme of the invention, the number of the sliding blocks and the fixed clamping plates is two, and the two groups of the sliding blocks and the fixed clamping plates are axially symmetrically arranged by taking the vertical central line of the fixed box as an axis.

As a preferred technical scheme of the invention, two ends of the spring are respectively and fixedly connected with the surfaces of the two groups of sliding blocks, and the sliding blocks are made of stainless steel materials.

As a preferred technical scheme of the invention, the number of the fixed blocks is four, the fixed blocks are cuboid, and the four fixed blocks are annularly and equidistantly distributed.

As a preferable technical scheme of the invention, the side joint plate is in a cylindrical long strip shape, and the surface of the side joint plate is a smooth curved surface.

Compared with the prior art, the invention provides a bounce-proof contact, which has the following beneficial effects:

1. this bullet-proof contact, through setting up first spring coil and second spring coil, through will connecting during inserting into rotary contact, through the contact circular telegram of connecting block with the joint, fix the transfer contact under the effect of first spring coil and second spring coil elasticity, when the contact takes place the spring, tie the transfer contact through first spring coil and second spring coil to the effect that prevents the spring has been reached.

2. This bullet-proof contact terminal jumps through setting up solid fixed splint, when needs are installed the contact, through to both sides pulling solid fixed splint, with two sets of solid fixed splint clamping in appointed position, then pulls the removal that two sets of sliders have driven solid fixed splint through the effect of spring elasticity down, fixes corresponding position through solid fixed splint.

Drawings

FIG. 1 is an external view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a main body; 2. a fixed box; 3. a slider; 4. a spring; 5. fixing the clamping plate; 6. a side joint plate; 7. a fixed block; 8. a rotating shaft; 9. rotating the contact; 10. a first spring ring; 11. connecting blocks; 12. a secondary spring coil.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in this embodiment: the utility model provides a bullet-proof jump contact, including main part 1, fixedly connected with fixed case 2 on the one side outer wall of main part 1, the spout has been seted up to fixed case 2's inside, sliding connection has slider 3 on fixed case 2's the spout inner wall, slider 3's fixed surface is connected with spring 4, one side fixedly connected with solid fixed splint 5 of slider 3, main part 1 keeps away from one side fixedly connected with side fishplate bar 6 of fixed case 2, side fishplate bar 6's surface is seted up flutedly, side fishplate bar 6's recess inner wall fixedly connected with fixed block 7, one side surface of fixed block 7 is seted up flutedly, it is connected with pivot 8 to rotate on the recess inner wall of fixed block 7, pivot 8's fixed surface is connected with and rotates contact 9, it has first spring coil 10 to rotate contact 9 and has cup jointed near side fishplate bar 6's one end surface, fixedly connected with connecting block 11 on rotating contact 9's the inner wall, second spring coil 12 has been cup jointed to the one end surface of rotating contact 9.

In this embodiment, the rotary contacts 9 are arc-shaped, the number of the rotary contacts 9 is four, the four rotary contacts 9 are distributed in a ring shape at equal intervals, the fixing effect is increased, the first spring ring 10 and the second spring ring 12 are ring-shaped, the first spring ring 10 and the second spring ring 12 are made of stainless steel materials, so that the binding effect is increased, the number of the sliding blocks 3 and the fixed clamping plates 5 is two, the two groups of sliding blocks 3 and the fixed clamping plates 5 are arranged in axial symmetry with the vertical central line of the fixed box 2, so that the fixing effect is improved, two ends of the spring 4 are respectively fixedly connected with the surfaces of the two groups of sliding blocks 3, the sliding blocks 3 are made of stainless steel materials, the number of the fixed blocks 7 is four groups, and the shape of fixed block 7 is the cuboid shape, and four groups of fixed blocks 7 are cyclic annular equidistance and distribute, and the shape of side fishplate bar 6 is the cylinder rectangular strip, and the surface of side fishplate bar 6 is smooth curved surface.

The working principle and the using process of the invention are as follows: according to the invention, firstly, when the contact needs to be installed, the two groups of fixed clamping plates 5 are clamped at a specified position by pulling the fixed clamping plates 5 towards two sides, then the two groups of sliding blocks 3 are pulled under the action of the elastic force of the springs 4 to drive the fixed clamping plates 5 to move, the corresponding positions are fixed through the fixed clamping plates 5, after the fixed positions are fixed, the connector is inserted into the rotary contact 9, the rotary contact 9 is fixed under the action of the elastic force of the first spring ring 10 and the second spring ring 12 by electrifying the connection block 11 in contact with the connector, and when the contact bounces, the rotary contact 9 is bound through the first spring ring 10 and the second spring ring 12, so that the effect of preventing the bounces is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A spring-proof contact comprising a body (1), characterized in that: a fixed box (2) is fixedly connected to the outer wall of one side of the main body (1), a sliding groove is formed in the fixed box (2), a sliding block (3) is connected to the inner wall of the sliding groove of the fixed box (2) in a sliding manner, a spring (4) is fixedly connected to the surface of the sliding block (3), a fixed clamping plate (5) is fixedly connected to one side of the sliding block (3), a side connecting plate (6) is fixedly connected to one side of the main body (1) far away from the fixed box (2), a groove is formed in the surface of the side connecting plate (6), a fixed block (7) is fixedly connected to the inner wall of the groove of the side connecting plate (6), a groove is formed in the surface of one side of the fixed block (7), a rotating shaft (8) is rotatably connected to the inner wall of the groove of the fixed block (7), a rotating contact (9) is fixedly connected to the surface of the rotating shaft (8), and a first spring ring (10) is sleeved on the surface of one end, close to the rotating contact (9), of the side connecting plate (6), the inner wall of the rotating contact (9) is fixedly connected with a connecting block (11), and one end surface of the rotating contact (9) is sleeved with a second spring ring (12).

2. A jump-proof contact according to claim 1, characterized in that: the shape of rotating contact (9) is circular-arc, and the quantity of rotating contact (9) is four groups, four groups of rotating contact (9) are cyclic annular equidistance and distribute.

3. A jump-proof contact according to claim 1, characterized in that: the first spring ring (10) and the second spring ring (12) are circular rings, and the first spring ring (10) and the second spring ring (12) are made of stainless steel materials.

4. A jump-proof contact according to claim 1, characterized in that: the quantity of slider (3) and solid fixed splint (5) is two sets of, and just two sets of sliders (3) and solid fixed splint (5) are the axisymmetric installation with the vertical central line of fixed case (2).

5. A jump-proof contact according to claim 1, characterized in that: the two ends of the spring (4) are respectively fixedly connected with the surfaces of the two groups of sliding blocks (3), and the sliding blocks (3) are made of stainless steel materials.

6. A jump-proof contact according to claim 1, characterized in that: the quantity of fixed block (7) is four groups, and the shape of fixed block (7) is the cuboid shape, four groups of fixed blocks (7) are cyclic annular equidistance and distribute.

7. A jump-proof contact according to claim 1, characterized in that: the side connection plate (6) is in a cylindrical long strip shape, and the surface of the side connection plate (6) is a smooth curved surface.