CN212209301U

CN212209301U - Spring piece type microswitch

Info

Publication number: CN212209301U
Application number: CN202020806182.2U
Authority: CN
Inventors: 肖庆伟; 姚于洋; 叶金恩
Original assignee: Zhejiang Yuyang Technology Co ltd
Current assignee: Zhejiang Yuyang Technology Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-22
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a spring plate type microswitch, which comprises an insulating shell, a static contact plate, a spring plate and a quick-action button component; the two static contacts are fixed at the rear part of the insulating shell in an up-down opposite manner, the elastic sheet is arranged in the insulating shell in an up-down moving manner, and the rear end of the elastic sheet extends between the two static contacts; a reed connected with the rear end of the spring plate is arranged in a hole in the middle of the spring plate; the quick-acting button assembly comprises a button, a support and a counter-force spring, the button is arranged at the front end of the elastic sheet and extends out of the top surface of the insulating shell, the support penetrates through a hole in the middle of the elastic sheet from top to bottom and is fixed on the insulating shell, a horizontal V-shaped groove is formed in the rear side of the support, and the spring is inserted into the V-shaped groove; the reaction spring is connected to the front end of the elastic sheet and used for providing upward and forward elastic force for the elastic sheet; the utility model discloses a shell fragment formula micro-gap switch adopts the button design of fast moving type, and the electric arc that cuts off that can be rapid makes the switch security higher.

Description

Spring piece type microswitch

Technical Field

The utility model belongs to the technical field of electrical components, especially, relate to a shell fragment formula micro-gap switch.

Background

The button type switch is a switch which utilizes a button to push a transmission mechanism, enables a movable contact and a static contact to be pressed on or off and realizes circuit switching. Is a master control electrical appliance with wide application. In an electric automatic control circuit, it is used to manually send out control signals to control a contactor, a relay, an electromagnetic starter, and the like. The speed of the on-off of the button switch in the prior art is basically consistent with the manual speed of an operator, and the safety of the switch is poor.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a shell fragment formula micro-gap switch adopts the button design of fast moving type, and the electric arc that cuts off that can be rapid makes the switch security higher.

The utility model discloses a spring piece type microswitch, which comprises an insulating shell, a static contact piece, a spring piece and a quick-action button component; the two static contacts are fixed at the rear part of the insulating shell in an up-down opposite manner, the elastic sheet is arranged in the insulating shell in an up-down moving manner, and the rear end of the elastic sheet extends between the two static contacts; a reed connected with the rear end of the spring plate is arranged in a hole in the middle of the spring plate; the quick-acting button assembly comprises a button, a support and a counter-force spring, the button is arranged at the front end of the elastic sheet and extends out of the top surface of the insulating shell, the support penetrates through a hole in the middle of the elastic sheet from top to bottom and is fixed on the insulating shell, a horizontal V-shaped groove is formed in the rear side of the support, and the spring is inserted into the V-shaped groove; the reaction spring is connected to the front end of the elastic sheet and used for providing upward and forward elastic force for the elastic sheet; when the button is not pressed down, the middle part of the elastic sheet is higher than the V-shaped groove, so that the elastic sheet is positioned at a high point under the comprehensive elastic action of the counter-force spring and the reed and is attached to the upper static contact sheet; when the button pushed down, the shell fragment front end moved down, when crossing V type groove downwards until the shell fragment middle part, made the shell fragment move down to the low point rapidly under the spring action of reed to with the static contact laminating of downside, realize quick joint, when the return of the button on the same principle, the shell fragment can with the quick separation of the static contact of downside, the switch security is higher.

Furthermore, the support is in a forward-inclined L shape, the reaction spring is riveted on an inclined plane at the front side of the support, the reaction spring is naturally inclined, the reed is supported upwards in front, and the structure is simple and compact.

Furthermore, the front end of shell fragment is equipped with two square holes that transversely parallel, reaction spring upper end is equipped with two card feet of inserting in two square holes, keeps the card foot to insert all the time in the square hole under the spring action, connects stably to can adapt to the relative motion that produces between shell fragment and the reaction spring.

Further, the support is electrically connected with the elastic sheet, the support extends out of the bottom surface of the insulating shell to form a wiring terminal, and the two static contact pieces can be used as the wiring terminal to be wired according to the use requirements of the switch such as normally open and normally closed.

Furthermore, a moving contact is fixed at the rear end of the elastic sheet; the two static contact pieces are correspondingly fixed with static contacts; the on-off control of the circuit is facilitated; the insulating housing comprises a base and a cover, and the cover is fixed with the base through screws or rivets.

The utility model has the advantages that: the utility model discloses a shell fragment formula micro-gap switch adopts the button design of fast moving type, and the electric arc that cuts off that can be rapid makes the switch security higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1 and 2: the elastic sheet type microswitch comprises an insulating shell, a static contact sheet 7, an elastic sheet 5 and a quick-action button assembly; the two static contacts 7 are fixed at the rear part of the insulating shell in an up-down opposite manner, the elastic sheet 5 is arranged in the insulating shell in a vertically movable manner, and the rear end of the elastic sheet extends between the two static contacts 7; a reed 10 connected with the rear end of the spring plate 5 is arranged in a hole in the middle of the spring plate; the quick-acting button assembly comprises a button 3, a support 6 and a counter-force spring 4, the button 3 is arranged at the front end of the elastic sheet 5 and extends out of the top surface of the insulating shell, the support 6 penetrates through a hole in the middle of the elastic sheet 5 from top to bottom and is fixed on the insulating shell, a horizontal V-shaped groove 11 is formed in the rear side of the support 6, and the spring 10 is inserted into the V-shaped groove 11; the counter spring 4 is connected to the front end of the elastic sheet 5 and is used for providing upward and forward elastic force for the elastic sheet 5; the left side of the graph shown in FIG. 1 is the front, and the right side is the back; when the button 3 is not pressed down, the middle part of the elastic sheet 5 is higher than the V-shaped groove 11, so that the elastic sheet 5 is positioned at a high point under the comprehensive elastic action of the counter-force spring 4 and the spring sheet 10 and is attached to the static contact 7 at the upper side; when button 3 pushed down, shell fragment 5 front end moved down, when 5 middle parts of shell fragment crossed V type groove 11 downwards, made shell fragment 5 move down to the low point rapidly under the spring action of reed 10 to laminate with the static contact 7 of downside, realize the high-speed joint, when 3 returns on the same principle, shell fragment 5 can be with the quick separation of the static contact 7 of downside, the switch security is higher.

In this embodiment, the bracket 6 is in a forward inclined L shape, and the reaction spring 4 is riveted on an inclined surface at the front side of the bracket 6, so that the reaction spring 4 naturally inclines to support the spring plate 10 upward and forward, and the structure is simple and compact.

In this embodiment, the front end of the elastic sheet 5 is provided with two square holes which are horizontally arranged in parallel, the upper end of the reaction spring 4 is provided with two clamping pins which are inserted into the two square holes, the clamping pins are kept to be inserted into the square holes all the time under the action of elastic force, the connection is stable, and the relative motion generated between the elastic sheet 5 and the reaction spring 4 can be adapted.

In this embodiment, be conductively connected between support 6 and the shell fragment 5, support 6 stretches out from insulating casing's bottom surface and forms a binding post, and two static contact 7 all can regard as binding post, connect the line according to the normal open of switch and operation requirements such as normal close.

In this embodiment, a moving contact 8 is fixed at the rear end of the spring plate 5; the two static contacts 7 are correspondingly fixed with static contacts 9; the on-off control of the circuit is facilitated; the insulating housing comprises a base 2 and a cover 1, the cover 1 being fixed to the base 2 by means of screws or rivets.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A shell fragment formula micro-gap switch which characterized in that: comprises an insulating shell, a static contact piece, an elastic piece and a quick-action button component; the two static contacts are fixed at the rear part of the insulating shell in an up-down opposite manner, the elastic sheet is arranged in the insulating shell in an up-down moving manner, and the rear end of the elastic sheet extends between the two static contacts; a reed connected with the rear end of the spring plate is arranged in a hole in the middle of the spring plate; the quick-acting button assembly comprises a button, a support and a counter-force spring, the button is arranged at the front end of the elastic sheet and extends out of the top surface of the insulating shell, the support penetrates through a hole in the middle of the elastic sheet from top to bottom and is fixed on the insulating shell, a horizontal V-shaped groove is formed in the rear side of the support, and the spring is inserted into the V-shaped groove; the reaction spring is connected to the front end of the elastic sheet and used for providing elastic force upwards and forwards for the elastic sheet.

2. The flip-chip microswitch of claim 1, wherein: the support is in a forward-inclined L shape, and the counterforce spring is riveted on an inclined plane at the front side of the support.

3. The flip-chip microswitch of claim 2, wherein: the front end of the elastic sheet is provided with two square holes which are transversely arranged in parallel, and the upper end of the counter-force spring is provided with two clamping pins which are inserted into the two square holes.

4. The flip-chip microswitch of claim 3, wherein: the support is in conductive connection with the elastic sheet, and the support extends out of the bottom surface of the insulating shell to form a wiring terminal.

5. The flip-chip microswitch of claim 4, wherein: a moving contact is fixed at the rear end of the elastic sheet; and the two static contact sheets are correspondingly fixed with static contacts.