CN216288281U

CN216288281U - Auxiliary contact

Info

Publication number: CN216288281U
Application number: CN202122437595.5U
Authority: CN
Inventors: 黄明芳; 王金玲; 黎海峰
Original assignee: Zhejiang Houda Electric Co ltd
Current assignee: Zhejiang Houda Electric Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-12
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to an auxiliary contact which is characterized by comprising a first shell and a second shell, wherein an operating mechanism and a locking mechanism are arranged on the first shell, the operating mechanism is linked with the locking mechanism, a linkage plate is linked and connected to the locking mechanism, a clamping groove is formed in the linkage plate, a contact piece is arranged in the clamping groove, a first connecting terminal is fixedly connected with the contact piece, a second connecting terminal and a third connecting terminal are movably connected with the contact piece, the first connecting terminal, the second connecting terminal and the contact piece form a normally closed state, and the first connecting terminal, the third connecting terminal and the contact piece form a normally open state. According to the utility model, the linkage plate and the contact piece are arranged, the microswitch of the connecting terminal at one side is cancelled, and the normally open and normally closed states of the first connecting terminal, the second connecting terminal and the third connecting terminal are realized through the contact piece, so that the internal structure is more reasonable, and the switching function can be realized.

Description

Auxiliary contact

Technical Field

The utility model relates to the technical field of circuit breaker auxiliary elements, in particular to an auxiliary contact.

Background

The auxiliary contact is used as an auxiliary functional element of the circuit breaker and is widely applied to electrical scenes.

At present, the auxiliary contact all has normally open and normally closed two kinds of states, but at present all adopt micro-gap switch and binding post to be connected thereby realize the switching of normally closed, normally open two kinds of states, micro-gap switch's structure is generally all great to lead to auxiliary contact inner structure overall arrangement just to receive the restriction.

Disclosure of Invention

The utility model aims to provide an auxiliary contact, which has a reasonable internal structure and improves the utilization rate of the internal structure.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an auxiliary contact, includes first casing and second casing, set up operating device and locking mechanical system on the first casing, operating device with the locking mechanical system linkage, the last linkage of locking mechanical system is connected with the linkage board, be formed with the draw-in groove on the linkage board, be provided with the contact in the draw-in groove, the first connecting terminal of contact fixedly connected with, contact swing joint has second connecting terminal, third connecting terminal, first connecting terminal, second connecting terminal and contact form normally closed state, first connecting terminal, third connecting terminal and contact form normally open state.

The utility model further provides that the operating mechanism is a rotating handle rotatably arranged in the first shell, the locking mechanism comprises a movable contact plate and a jump buckle, a connecting rod is arranged between the rotating handle and the movable contact plate, the jump buckle is arranged at the upper end of the movable contact plate, the connecting rod penetrates through the jump buckle to a hole in the movable contact plate, an upright post is arranged in the first shell, and the movable contact plate and the linkage plate are provided with the upright post and can rotate around the upright post.

The utility model is further provided with a microswitch arranged below the movable touch plate, wherein a support leg is formed on the microswitch and is connected with a wiring terminal positioned on one side of the first shell.

The utility model further provides that a first connecting column is further arranged on the first shell, a second connecting column is arranged on the movable touch panel, and a tension spring is arranged between the first connecting column and the second connecting column.

The utility model is further provided that a first wiring board is formed on the second connecting terminal, a second wiring board is formed on the third connecting terminal, a first stop block and a second stop block are formed at the bottom of the first shell, the first wiring board extends to one side of the first stop block, the second wiring board extends to one side of the second stop block, and the contact piece is respectively contacted with the first wiring board and the second wiring board when moving.

The utility model has the beneficial effects that: according to the utility model, the linkage plate and the contact piece are arranged, the microswitch of the connecting terminal at one side is cancelled, and the normally open and normally closed states of the first connecting terminal, the second connecting terminal and the third connecting terminal are realized through the contact piece, so that the internal structure is more reasonable, and the switching function can be realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the second housing of the embodiment of the utility model.

FIG. 3 is a schematic structural diagram of the present invention with a portion of the attachment removed.

Reference numeral, 10, a first housing; 20. a second housing; 30. an operating mechanism; 40. a linkage plate; 50. a card slot; 60. a contact piece; 70. a first connection terminal; 80. a second connection terminal; 90. a third connection terminal; 100. a movable touch plate; 110. jumping and buckling; 120. a connecting rod; 130. a column; 140. a microswitch; 150. connecting a column I; 160. connecting a second column; 170. tensioning the spring; 180. a first wiring board; 190. a second wiring board; 200. a first stopper; 210. a second stopper;

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1-3, the present invention is an auxiliary contact, including a first housing 10 and a second housing 20, where the first housing 10 is provided with an operating mechanism 30 and a locking mechanism, the operating mechanism 30 is linked with the locking mechanism, the locking mechanism is linked with a linkage plate 40, a slot 50 is formed on the linkage plate 40, a contact 60 is disposed in the slot 50, the contact 60 is fixedly connected with a first connection terminal 70, the contact 60 is movably connected with a second connection terminal 80 and a third connection terminal 90, the first connection terminal 70, the second connection terminal 80 and the contact 60 form a normally closed state, and the first connection terminal 70, the third connection terminal 90 and the contact 60 form a normally open state.

The operating mechanism 30 is a rotating handle rotatably disposed in the first housing 10, the locking mechanism includes a movable contact plate 100 and a trip buckle 110, a connecting rod 120 is disposed between the rotating handle and the movable contact plate 100, the trip buckle 110 is disposed at the upper end of the movable contact plate 100, the connecting rod 120 penetrates through the trip buckle 110 and reaches a hole in the movable contact plate 100, a column 130 is disposed in the first housing 10, and the movable contact plate 100 and the linkage plate 40 are mounted on the column 130 and can rotate around the column 130.

A micro switch 140 is disposed below the movable touch plate 100, and a support leg is formed on the micro switch 140 and connected to a connection terminal located on one side of the first housing 10.

The first shell 10 is further provided with a first connecting column 150, the movable touch panel 100 is provided with a second connecting column 160, and a tension spring 170 is arranged between the first connecting column 150 and the second connecting column 160.

The first wiring board 180 is formed on the second connection terminal 80, the second wiring board 190 is formed on the third connection terminal 90, the first stopper 200 and the second stopper 210 are formed at the bottom of the first housing 10, the first wiring board 180 extends to one side of the first stopper 200, the second wiring board 190 extends to one side of the second stopper 210, and the contact 60 is in contact with the first wiring board 180 and the second wiring board 190 when moving.

According to the utility model, the linkage plate 40 and the contact piece 60 are arranged, the microswitch 140 of the connecting terminal at one side is eliminated, and the normally open and normally closed states of the first connecting terminal, the second connecting terminal and the third connecting terminal are realized through the contact piece 60, so that the internal structure is more reasonable, and the switching function can be realized.

The specific process is as follows: the handle rotates, the trip buckle 110 and the movable contact plate 100 are driven to rotate towards one side of the contact piece 60 through the action of the connecting rod 120, meanwhile, the linkage plate 40 also rotates, and the contact piece 60 is located in the clamping groove 50 of the linkage plate 40, so that the linkage plate 40 drives one end of the contact piece 60 to move towards the second wiring board 190 of the third connecting end, the normally-closed state is converted into the normally-open state, and the circuit breaker is in the closing state at the moment. The handle rotates reversely to change the normal open state into the normal close state, and the breaker is in the opening state at the moment.

Certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

More uses such as 10, first housing; 20. a second housing; 30. an operating mechanism; 40. a linkage plate; 50. a card slot; 60. a contact piece; 70. a first connection terminal; 80. a second connection terminal; 90. a third connection terminal; 100. a movable touch plate; 110. jumping and buckling; 120. a connecting rod; 130. a column; 140. a microswitch; 150. connecting a column I; 160. connecting a second column; 170. tensioning the spring; 180. a first wiring board; 190. a second wiring board; 200. a first stopper; 210. second stop, etc. it is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or system comprising a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as noted above, that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides an auxiliary contact, a serial communication port, includes first casing and second casing, set up operating device and locking mechanical system on the first casing, operating device with the locking mechanical system linkage, the last linkage of locking mechanical system is connected with the linkage board, be formed with the draw-in groove on the linkage board, be provided with the contact in the draw-in groove, the first connecting terminal of contact fixedly connected with, contact swing joint has second connecting terminal, third connecting terminal, first connecting terminal, second connecting terminal and contact form normally closed state, first connecting terminal, third connecting terminal and contact form normally open state.

2. The auxiliary contact according to claim 1, wherein the operating mechanism is a rotating handle rotatably disposed in the first housing, the locking mechanism comprises a movable contact plate and a jump buckle, a connecting rod is disposed between the rotating handle and the movable contact plate, the jump buckle is disposed at an upper end of the movable contact plate, the connecting rod passes through the jump buckle and reaches a hole in the movable contact plate, a column is disposed in the first housing, and the movable contact plate and the linkage plate are mounted on the column and can rotate around the column.

3. An auxiliary contact according to claim 2, wherein a micro switch is disposed below the movable contact plate, and a leg is formed on the micro switch and connected to the terminal located on one side of the first housing.

4. The auxiliary contact as claimed in claim 3, wherein the first housing further comprises a first connecting column, the movable contact plate comprises a second connecting column, and a tension spring is disposed between the first connecting column and the second connecting column.

5. An auxiliary contact according to claim 1 or 4, wherein the second connecting terminal is formed with a first terminal plate, the third connecting terminal is formed with a second terminal plate, the bottom of the first housing is formed with a first stopper and a second stopper, the first terminal plate extends to a side of the first stopper, the second terminal plate extends to a side of the second stopper, and the contact piece moves to contact with the first terminal plate and the second terminal plate, respectively.