CN212648079U

CN212648079U - Anti-bouncing contact

Info

Publication number: CN212648079U
Application number: CN202021134884.7U
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: 2021-03-02
Anticipated expiration: 2030-06-18

Abstract

The utility model belongs to the technical field of the control switch, especially, be a bullet-proof jump contact, comprising a main body, the fixed case of fixedly connected with on the outer wall of one side of main part, the spout has been seted up to the inside of fixed case, sliding connection has the slider on the spout inner wall of fixed case, the fixed surface of slider is connected with the spring, one side fixedly connected with solid fixed splint of slider, one side fixedly connected with side joint plate of fixed case is kept away from to the main part, the surface of side joint plate is seted up flutedly, the recess inner wall fixedly connected with fixed block of side joint plate, a side surface of fixed block is seted up flutedly, it is connected. The utility model discloses a set up, through will connecting during inserting into rotating contact, 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.

Description

Anti-bouncing contact

Technical Field

The utility model relates to a control switch technical field specifically is a shellproof jump 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.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the not enough of prior art, the utility model provides a bullet and jump prevention contact has solved the problem of spring.

In order to achieve the above object, the utility model provides a 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 an optimal technical scheme of the utility model, the shape of rotating contact is circular-arc, and the quantity of rotating contact is four groups, four groups of rotating contact are cyclic annular equidistance and distribute.

As an optimal technical scheme of the utility model, the shape of first spring coil and second spring coil is the ring form, and the material of first spring coil and second spring coil is made for stainless steel material.

As an optimal technical scheme of the utility model, the quantity of slider and solid fixed splint is two sets of, and just two sets of sliders and solid fixed splint are the axisymmetric installation with the vertical central line of solid fixed box.

As an optimal technical scheme of the utility model, the both ends of spring are connected with two sets of slider fixed surface respectively, the material of slider is made for stainless steel material.

As a preferred technical scheme of the utility model, the quantity of fixed block is four groups, and the shape of fixed block is the cuboid shape, four fixed blocks of group are cyclic annular equidistance and distribute.

As an optimal technical scheme of the utility model, the shape of side fishplate bar is the cylinder long strip, and the surface of side fishplate bar is smooth curved surface.

Compared with the prior art, the utility model provides a shellproof jump contact possesses following beneficial effect:

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 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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.

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 utility model discloses a theory of operation and use flow: the utility model discloses in, at first when needs are installed the contact, through to both sides pulling solid fixed splint 5, with two sets of solid fixed splint 5 clamping in appointed position, then pull two sets of sliders 3 of having driven solid fixed splint 5's removal under the effect of spring 4 elasticity, fix corresponding position through solid fixed splint 5, insert into through will connecting in rotating contact 9 after fixed, through connecting block 11 and the contact circular telegram that connects, rotating contact 9 is fixed under the effect of first spring coil 10 and the 12 elastic forces of second spring coil, when the contact takes place the spring, tie rotating contact 9 through

first spring coil

10 and 12 second spring coil, thereby the effect of preventing the spring has been reached.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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, 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.