CN217280471U - Micro-switch - Google Patents

Abstract

The utility model relates to a micro-gap switch, wherein, both sides of the switch body are provided with normally open contact structures; the normally open contact structure is driven by the driving component, and the normally open contact structure is conducted; therefore, the electrically-separated normally-open contact is provided, two groups of nodes of the same switch can be used simultaneously, and the two groups of contacts have the technical effect of good action synchronism on the same instantaneous mechanism.

Description

Micro-switch

Technical Field

The embodiment of the utility model relates to a switch, in particular to micro-gap switch.

Background

The general micro switch has two groups of nodes of a normally open node and a normally closed node, and the two groups of nodes of the normally open node and the normally closed node are required to be operated in the same electric loop, two pairs of normally open nodes are required to be used in some mechanisms at the same time, and the nodes are required to have good synchronism; and need not be in the same electrical circuit, there is no way for existing microswitches to perform the above-described functions.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model aims at providing an electrically detached normally open contact to this two sets of nodes that realize same switch can use simultaneously, and two sets of contacts are on same instantaneous mechanism, the technological effect that the action synchronism is good.

In order to achieve the above object, an embodiment of the present invention provides a micro switch, including:

a switch body;

the normally open contact structure is arranged on two sides of the switch body;

and the normally open contact structure is driven by the driving component and is switched on.

Further, the switch body, still include:

a housing disposed outside of said normally open contact structure and said drive member;

the driving part is embedded in a clamping groove in the middle of the shell; and connecting nuts and connecting screws in the normally open contact structure are clamped into two sides of the shell.

Furthermore, a plurality of pairs of normally open contact structures are clamped in the clamping groove on the shell, and magnetic steel is clamped in the clamping groove on the shell.

Further, any group of the normally open contact structure further comprises:

the static contact plate is clamped on one side of the shell;

and the static contact is fixed at one end of the static contact plate, and a nut is fixedly connected at one end of the static contact plate.

Further, the driving member further includes:

the lever is movably connected with one end of the lever above the shell, and the other end of the lever is movably connected with a roller;

the first spring is abutted against one end of the first spring below the lever, and the other end of the first spring is clamped into a spring seat arranged outside the shell; one end of the button extends into the first spring;

the spring piece is clamped below the button; one end of the spring piece is clamped at one end of the button; the other end of the spring piece is clamped at one end of the contact support;

the contact support penetrates through the spring support arranged on the shell, and one end of the contact support is clamped above the spring support;

a static contact plate is clamped on the shell below the spring supporting sheet; the static contact on the static contact plate is arranged below the spring supporting sheet;

the contact bridge is fixed on two sides of the contact support below the static contact plate;

the movable contact is fixed at one end of the contact bridge; the movable contact is over against the lower part of the fixed contact;

a second spring; the second spring is sleeved on the contact support below the contact bridge; one end of the second spring is fixed on the shell; the other end of the second spring is clamped below the contact bridge.

Further, the contact holder includes:

the inner contact support is inserted in the middle of the contact support; the inner contact support moves in the middle of the contact support;

the outer contact support is arranged on the outer side of the inner contact support; one end of the contact bridge is fixed on the outer contact support; the second spring is sleeved on the outer side of the outer contact support; one end of the second spring is clamped on the outer contact support.

Compared with the prior art, the implementation mode of the utility model is that both sides of the switch body are provided with normally open contact structures; the normally open contact structure is driven by the driving component, and the normally open contact structure is conducted; therefore, the electrically-separated normally-open contact is provided, two groups of nodes of the same switch can be used simultaneously, and the two groups of contacts have the technical effect of good action synchronism on the same instantaneous mechanism.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.

The utility model discloses an embodiment relates to a micro-gap switch, as shown in FIG. 1, include:

the switch body 10 serves as a housing of the microswitch in the present embodiment;

the normally open contact structure 20 is arranged on two sides of the switch body 10; the normally open contact structure 20 serves as a component of electrical contact;

the normally open contact structure 20 is driven by the driving component 30, and the normally open contact structure 20 is conducted. The main effect of drive component 30 is that drive normally open contact structure 20 switches on, realizes normally open's electric function, and micro-gap switch in this embodiment provides one kind at electric detached normally open contact, has realized that two sets of nodes of same switch can use simultaneously to two sets of contacts are on same snap mechanism, the good technological effect of action synchronism. The micro switch solves the problems that a micro switch in the prior art has two groups of nodes of normally open and normally closed, and simultaneously, the two groups of nodes of normally open and normally closed need to be in the same electrical loop, two pairs of normally open nodes need to be used simultaneously in some mechanisms, and the nodes need to have good synchronism; and the micro-switches are not required to be in the same electric loop, and the existing micro-switches have no technical problem of realizing the functions.

In order to achieve the above technical effects, as shown in fig. 1, the switch body 10 further includes:

the shell 1 is arranged on the outer side of the normally open contact structure 20 and the driving part 30; the casing 1 is used for installing the normally open contact structure 20 and the driving part 30;

a driving part 30 is embedded in a clamping groove 2 in the middle of the shell 1; the connecting nut 16 and the connecting screw 17 in the normally open contact structure 20 are clamped at two sides of the shell 1. The magnetic steel 9 is clamped in the clamping groove 2 on the shell 1. The connecting nut 16 and the connecting screw 17 are used for electrical connection, and the magnetic steel 9 is used for arc extinction, so that the rapid arc extinction effect is achieved.

The above-described structure constitutes the mounting structure of the normally open contact structure 20 and the driving part 30 in the housing 1.

In order to achieve the above technical effects, in the micro switch of the present embodiment, as shown in fig. 1, 2 pairs of normally open contact structures 20 are inserted into the card slot 2 on the housing 1. This results in two pairs of normally open contact structures 20, forming 2 sets of normally open nodes.

In order to achieve the above technical effects, as shown in fig. 1, any set of normally open contact structures 20 in the microswitch in the present embodiment further includes:

a static contact plate 7 is clamped at one side of the shell 1;

a stationary contact 18 is fixed to one end of the stationary contact plate 7, and a coupling nut 16 is fixed to one end of the stationary contact plate 18. The stationary contact plate 7 is provided with a stationary contact 18, which mainly constitutes a structure of the stationary contact.

In order to achieve the above technical effects, as shown in fig. 1, the driving member 30 further includes:

one end of a lever 3 is movably connected above the shell 1, and the other end of the lever 3 is movably connected with a roller 31; the lever 3 is used to touch an object so that the micro switch in this embodiment operates.

One end of the first spring 5 is propped against the lower part of the lever 3, and the other end of the first spring 5 is clamped on a spring seat 19 arranged outside the shell 1; one end of the first spring 5 extending into the button 4; the first spring 5 is used for resetting the lever 3.

A spring piece 6 is clamped below the button 4; one end of the spring piece 6 is clamped at one end of the button 4; the other end of the spring piece 6 is clamped at one end of the contact support 14;

the contact support 14 passes through a spring supporting sheet 15 arranged on the shell 1, and one end of the contact support 14 is clamped above the spring supporting sheet 15; the spring support piece 15 and the spring piece 6 mainly function to assist the return.

A static contact plate 7 is clamped on the shell 1 below the spring supporting sheet 15; the stationary contact 18 on the stationary contact plate 7 is disposed below the spring support piece 15;

contact bridges 12 are fixed on two sides of a contact support 14 below the static contact plate 7;

a movable contact 21 is fixed at one end of the contact bridge 12; the movable contact 21 is opposite to the lower part of the fixed contact 18;

a second spring 11 is sleeved on the contact support 14 below the contact bridge 12; one end of the second spring 11 is fixed on the shell 1; the other end of the second spring 11 is clamped under the contact bridge 12.

The above structure constitutes the structure of the driving part 30, after the lever 3 touches the object, the button 4 is pressed down, after overcoming the elasticity of the spring piece 6 and the spring supporting piece 15, the contact support 14 is pressed down to make the static contact 18 and the movable contact 21 contact, and the connection state is formed, and the electric connection function is realized.

In order to achieve the above technical effects, as shown in fig. 1, the contact holder 14 includes:

an inner contact holder 141, the inner contact holder 141 being inserted in the middle of the contact holder 14; the inner contact holder 141 is movable in the middle of the contact holder 14;

an outer contact holder 142, the outer contact holder 142 being provided outside the inner contact holder 141; one end of the contact bridge 12 is fixed on the outer contact support 142; the second spring 11 is sleeved outside the outer contact support 142; one end of the second spring 11 is clamped on the outer contact carrier 12.

It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims (6)

1. A micro-switch, comprising:

a switch body;

the normally open contact structure is arranged on two sides of the switch body;

and the normally open contact structure is driven by the driving component and is switched on.

2. The microswitch of claim 1, wherein the switch body further comprises:

a housing disposed outside of said normally open contact structure and said drive member;

the driving part is embedded in a clamping groove in the middle of the shell; and connecting nuts and connecting screws in the normally open contact structure are clamped into two sides of the shell.

3. The microswitch of claim 2, wherein pairs of said normally open contact structures are snapped into snap-fit slots in said housing; and magnetic steel is clamped in the clamping groove on the shell.

4. The microswitch of claim 3, wherein any one of said normally open contact configurations further comprises:

the static contact plate is clamped on one side of the shell;

and the static contact is fixed at one end of the static contact plate, and a nut is fixedly connected at one end of the static contact plate.

5. The microswitch of claim 2, wherein said drive member further comprises:

the lever is movably connected with one end of the lever above the shell, and the other end of the lever is movably connected with a roller;

the first spring is abutted against one end of the first spring below the lever, and the other end of the first spring is clamped into a spring seat arranged outside the shell; one end of the button extends into the first spring;

the spring piece is clamped below the button; one end of the spring piece is clamped at one end of the button; the other end of the spring piece is clamped at one end of the contact support;

the contact support penetrates through the spring support arranged on the shell, and one end of the contact support is clamped above the spring support;

a static contact plate is clamped on the shell below the spring supporting sheet; the static contact on the static contact plate is arranged below the spring supporting sheet;

the contact bridge is fixed on two sides of the contact support below the static contact plate;

the movable contact is fixed at one end of the contact bridge; the movable contact is over against the lower part of the fixed contact;

a second spring; the second spring is sleeved on the contact support below the contact bridge; one end of the second spring is fixed on the shell; the other end of the second spring is clamped below the contact bridge.

6. The microswitch of claim 5, wherein said contact support comprises:

the inner contact support is inserted in the middle of the contact support; the inner contact support moves in the middle of the contact support;

the outer contact support is arranged on the outer side of the inner contact support; one end of the contact bridge is fixed on the outer contact support; the second spring is sleeved on the outer side of the outer contact support; one end of the second spring is clamped on the outer contact support.

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