CN220357995U - Self-resetting forced-breaking button switch - Google Patents

Abstract

The utility model relates to the technical field of push-button switches and discloses a self-resetting forced-breaking push-button switch which comprises a shell, wherein the bottom of the shell is detachably connected with a base, both sides of the base are provided with static contact leg parts, the middle part of the base is provided with a middle leg, the upper part of the base is provided with a movable contact piece part, the middle part of the shell is rotationally connected with a push-button seat, the lower part of the push-button seat is slidingly connected with a sliding cylinder matched with the movable contact piece part, and the top of the shell is slidingly connected with a push button. The utility model is suitable for a self-resetting forced-breaking button switch, a forced-breaking structure is used, two sides of the middle of a movable contact are provided with turnover parts, a movable contact and a stationary contact are forced to be disconnected under the condition of high current connection through interference fit of a button seat and the turnover parts, a switch circuit is better protected, the on-off failure of the switch caused by adhesion of the contacts is prevented, a sealing ring structure is used, the water flow is prevented from flowing in from a gap through interference fit of a sealing ring at the button part, the appearance is more attractive, and a compact space is more suitable for automatic assembly.

Description

Self-resetting forced-breaking button switch

Technical Field

The utility model relates to the technical field of push-button switches, in particular to a self-resetting forced-breaking push-button switch.

Background

Along with the improvement of science and technology and living standard, people demand higher and higher to button switch, and the switch performance is high, handsome in appearance, operation feel are good etc. button switch on the present market, according to the structure configuration, by several part constitution, button mechanical properties, self-reset function are reliable inadequately, and the switch is easy adhesion and is led to the function to become invalid under the circumstances of leading to the heavy current, and the assembly degree of difficulty is high, and difficult automation assembly, and the cost is higher to the switch performance can not reach customer's demand.

Disclosure of Invention

The utility model provides a self-resetting forced-breaking button switch which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a from strong button switch that breaks that resets, includes the shell, and the connection base can be dismantled to the bottom of shell, and the both sides of base are equipped with quiet touch foot part, and the middle part of base is equipped with well foot, and the top of base is equipped with movable contact part, the middle part of shell rotates to be connected with the button seat, the below sliding connection of button seat have with movable contact part complex slide, the top sliding connection of shell has the button.

As a preferable technical scheme of the utility model, a sealing cover is arranged between the shell and the button, and a sealing ring is arranged at the bottom of the sealing cover.

As a preferable technical scheme of the utility model, a sliding cylinder spring matched with the button seat is arranged in the sliding cylinder.

The utility model has the following advantages:

the utility model is suitable for a self-resetting forced-breaking button switch, a forced-breaking structure is used, two sides of the middle of a movable contact are provided with turnover parts, a movable contact and a stationary contact are forced to be disconnected under the condition of high current connection through interference fit of a button seat and the turnover parts, a switch circuit is better protected, the on-off failure of the switch caused by adhesion of the contacts is prevented, a sealing ring structure is used, the water flow is prevented from flowing in from a gap through interference fit of a sealing ring at the button part, the appearance is more attractive, and a compact space is more suitable for automatic assembly.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an exploded view of a self-resetting, forced-breaking push button switch.

Fig. 2 is a cross-sectional view of a self-resetting, forced-interruption push button switch.

Fig. 3 is a schematic structural diagram of a self-resetting forced-breaking push-button switch when being stressed.

In the figure: 1. a button; 2. sealing cover; 3. a seal ring; 4. a housing; 5. a return spring; 6. a button seat; 7. a slide cylinder spring; 8. a slide cylinder; 9. a movable contact piece part; 10. a stationary contact foot member; 11. middle feet; 12. and (5) a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In an embodiment, please refer to fig. 1-3, a self-resetting forced-disconnection button switch, which comprises a housing 4, wherein the housing 4 comprises a plurality of housings 4 with different mounting outer diameters, the housings can be mounted on a panel according to different switch size requirements of customers, different colors can be selected according to appearance performance requirements, the bottom of the housing 4 is detachably connected with a base 12, the base 12 is connected with the housing 4 in a snap fit manner, a middle leg 11, a static contact part and the like are mounted on the base 12 through mounting holes on the base 12, and the side edges are mounted in a shaft hole fit manner with a button seat 6 through round holes. The both sides of base 12 are equipped with quiet contact foot part 10, and the middle part of base 12 is equipped with middle foot 11, and the top of base 12 is equipped with movable contact part 9, movable contact part 9 surface has movable contact, has good electric conductivity and wearability, guarantees button switch's electrical property requirement, and when outside applied vertical decurrent power, button seat 6 begins rotary motion through the shaft hole cooperation, and slide 8 and slide spring 7 under compressed state slide 6 drive down on movable contact part 9, and when the motion falls certain stroke, movable contact contacts and stationary contact realize the switch break-make function. The surface of the static contact foot component 10 is provided with a static contact, has good conductivity and wear resistance, ensures the electrical performance requirement of the switch of the button 1, and contacts with a movable contact when the switch moves to realize the on-off function of the switch. The external leakage contact pin is connected with an external circuit. The middle leg 11 has good conductivity and wear resistance, ensures the electrical performance requirement of the switch of the button 1, and the top structure ensures the movable contact piece part 9 to contact with the middle leg and make a seesaw motion on the middle leg. The external leakage contact pin is connected with an external circuit.

In one case of the embodiment, a button seat 6 is rotatably connected to the middle part of the housing 4, a sliding cylinder 8 matched with a movable contact piece part 9 is slidingly connected below the button seat 6, the button seat 6 is provided with a round hole matched with the sliding cylinder 8, and the round slot is guided so that the sliding cylinder 8 can move on the button seat 6; the button seat 6 rotates in a matched manner with the shaft hole of the base 12, and meanwhile, the sliding cylinder 8 connected with the button seat 6 slides on the track of the movable contact piece to realize a switching function; the button seat 6 is connected with the shell 4 through the reset spring 5, and the reset function and the force value hand feeling of the switch are realized through the reset force of the reset spring 5, and the reset spring 5 is made of stainless steel, has good elasticity, ensures the reset function of the switch and provides the force value and the hand feeling.

In one case of this embodiment, the top of the housing 4 is slidably connected with a button 1, and the button 1 is selected with different surface treatments or colors according to the appearance requirement. Be equipped with sealed lid 2 between shell 4 and the button 1, sealed lid 2 and the buckle overlap joint of shell 4 match, make sealing washer 3 fix on shell 4, guarantee the barrier propterty of switch, the bottom of sealed lid 2 is equipped with sealing washer 3, sealing washer 3 dress is on shell 4, and it is fixed through sealed lid 2, makes sealing washer 3 be difficult for deviate from in the button 1 motion process, because the extrusion deformation of shell 4 and sealed lid 2 makes it parcel button 1 border to guarantee that water can't flow into inside the switch from here, in order to realize the high waterproof performance of this button 1 switch.

In one case of this embodiment, the inside of the slide 8 is provided with a slide spring 7 cooperating with the button seat 6. The sliding cylinder 8 is made of stainless steel, has good conductivity and wear resistance, and is driven to slide on the movable contact piece part 9 by the button 1, so that on-off of a switch is realized, and the sliding cylinder spring 7 is galvanized on the surface, has good conductivity and stretchability, and provides a force value and hand feeling.

Working principle:

when a force F is applied vertically downward to the push button 1 switch as shown in fig. 3, the push button 1 assembly is moved vertically downward. The driving button 1 rotates through the button seat 6 under the matching of the shaft hole of the base 12, and the sliding cylinder 8 drives the movable contact piece part 9 to make a seesaw motion, so that the movable contact is disconnected from the left side fixed contact and connected with the right side fixed contact, and the connection function of a switch NO foot and a C foot is realized; when the applied force is released, the movable contact piece part 9 is driven to make a rocker motion again through the reverse rotation motion of the button seat 6 under the action of the reset spring 5, so that the movable contact point is far away from the right side fixed contact point and is communicated with the left side fixed contact point, and the NC pin and the C pin of the switch are communicated again.

The assembly process comprises the following steps:

1. firstly, the upper surface of a base 12 is positioned by means of an inner groove, a static contact foot part 10 and a middle foot 11 are arranged from the upper side and are directly pressed in the inner groove of the base 12, and then the feet are split through a tool to form the base part;

2. secondly, sequentially installing a sliding cylinder spring 7 and a sliding cylinder 8 into the button seat 6; then the movable contact piece part 9 and the button seat 6 are matched into the base 12 from the upper part through the shaft hole, so that a new base part is formed;

3. sequentially mounting the sealing ring 3 and the sealing cover 2 on the shell 4 through snap fit, and mounting the button 1 and the reset spring 5 on the shell 4 from below;

4. finally, the completed base part is mounted to the housing 4 part from below by means of a snap fit.

The utility model is suitable for a self-resetting forced-breaking button switch, a forced-breaking structure is used, two sides of the middle of a movable contact are provided with turnover parts, a movable contact and a stationary contact are forced to be disconnected under the condition of high current connection through interference fit of a button seat 6 and the turnover parts, a switch circuit is better protected, the on-off failure of the switch caused by the adhesion of the contacts is prevented, a sealing ring 3 structure is used, the water flow is prevented from flowing in from a gap through the interference fit of the sealing ring 3 at the button 1, the appearance is more attractive, and a compact space is more suitable for automatic assembly.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (3)

1. The utility model provides a from strong button switch that breaks that resets, its characterized in that, includes the shell, and the connection base can be dismantled to the bottom of shell, and the both sides of base are equipped with quiet contact foot part, and the middle part of base is equipped with well foot, and the top of base is equipped with movable contact piece part, the middle part of shell rotates to be connected with the button seat, the below sliding connection of button seat have with movable contact piece part complex slide, the top sliding connection of shell has the button.

2. The self-resetting and forced-breaking button switch of claim 1, wherein a sealing cover is arranged between the shell and the button, and a sealing ring is arranged at the bottom of the sealing cover.

3. The self-resetting and forced-breaking button switch as recited in claim 1, wherein a slide spring matched with the button seat is arranged in the slide.