CN215496467U - Push-button switch - Google Patents

Abstract

The utility model relates to a button switch, which comprises a shell, wherein the shell comprises a first cover body and a second cover body which are buckled with each other, a clamping groove is formed in the opposite outer side wall of the first cover body, a clamping piece corresponding to the clamping groove is arranged on the second cover body, and the clamping piece is inserted into the clamping groove; the switch mechanism comprises a button, a terminal and a guide sheet, a cavity is formed in the first cover body and the second cover body, a through hole is formed in the first cover body or the second cover body, the button extends out of the through hole, the guide sheet and the terminal are located in the cavity, and the button is used for driving the guide sheet to be in contact with or separated from the terminal. This application simple structure through be provided with draw-in groove and fastener on first lid and second lid respectively, can prevent that first lid breaks away from with the second lid under the high temperature condition.

Description

Push-button switch

Technical Field

The utility model belongs to the field of electrical switches, and particularly relates to a button switch.

Background

The button switch is also called a control button (abbreviated as a button), and is a low-voltage electrical appliance which is manual and can be reset automatically generally. Buttons are typically used in electrical circuits to issue start or stop commands to control the switching on and off of current to the coils of electrical appliances such as electromagnetic starters, contactors, relays, and the like.

Chinese patent documents CN106816336A and CN212032924U both disclose a kind of button switch, which generally includes a casing composed of two covers fastened together, a cavity is provided inside the casing, a switch mechanism is provided in the cavity, the understanding of the casing is usually fixed by mutually engaging corresponding positioning posts on the two covers, the mechanism is easy to crack and separate after the casing is heated, and the above-mentioned problems are technical problems that need to be solved in the field.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a button switch.

The technical scheme for solving the technical problems is as follows: a button switch comprises a shell, wherein the shell comprises a first cover body and a second cover body which are buckled, a clamping groove is formed in the opposite outer side wall of the first cover body, a clamping piece corresponding to the clamping groove is arranged on the second cover body, and the clamping piece is inserted into the clamping groove; and

the switch mechanism comprises a button, a terminal and a guide sheet, a cavity is arranged in the first cover body and the second cover body, a through hole is formed in the first cover body or the second cover body, the button extends out of the through hole, and the guide sheet and the terminal are located in the cavity and the button is used for driving the guide sheet to be in contact with or separated from the terminal.

The beneficial effect of the button switch disclosed in this application is: this application simple structure through be provided with draw-in groove and fastener on first lid and second lid respectively, can prevent that first lid breaks away from with the second lid under the high temperature condition.

In an optional embodiment, a protrusion protruding outward from the first cover is disposed in the slot, and a protrusion is disposed on the clip, and when the clip is inserted into the slot, a side of the protrusion facing the second cover abuts against a side of the protrusion facing the first cover.

In an optional embodiment, the terminal further includes a follower and a reset member, the button is configured to push the follower to move axially, the follower is connected to the guide vane, the follower is configured to drive the guide vane to move, the reset member is configured to drive the terminal to move towards the button, the follower switches between a first position and a second position each time the follower reciprocates axially, the terminal contacts with the guide vane when the follower is located at the first position, and the terminal is separated from the guide vane when the follower is located at the second position.

In an alternative embodiment, the push button further comprises a guide mechanism for allowing only axial movement of the push button.

In an optional embodiment, a circle of first ratchet teeth are arranged at one end of the button facing the inner side of the cavity, a second ratchet tooth matched with the first ratchet teeth is arranged on the driven member, a plurality of first sliding grooves and second sliding grooves which extend axially and are arranged in a staggered mode are arranged in the through hole in a surrounding mode, the depth of each first sliding groove is larger than that of each second sliding groove, transition inclined edges in the same inclination direction are arranged between any adjacent first sliding groove and any adjacent second sliding groove, a sliding block is arranged on the side wall of the driven member, when the sliding block is located in the first sliding groove, the driven member is located at the first position, when the sliding block is located in the second sliding groove, the driven member is located at the second position, the button can press the driven member to drive the sliding block to slide out of the first sliding groove or the second sliding groove, when the sliding block slides out of the first sliding groove or the second sliding groove, the follower deflects towards the inclined direction to enable the first ratchet teeth to be meshed with the second ratchet teeth, and the inclined direction refers to the direction of one end, close to the button, of the transition inclined edge to deviate from the projection direction of the axial direction on the plane after the plane of the side face of the follower is unfolded.

In an optional embodiment, the guide mechanism includes the first sliding groove and a guide block disposed outside the button, the guide block is slidably disposed in the first sliding groove, and a depth of the first sliding groove is greater than a sum of lengths of the second sliding groove and the guide block and is greater than a movement stroke of the guide block.

In an alternative embodiment, the return member is a spring.

In an alternative embodiment, a guide post is disposed at an end of the cavity away from the button, the guide vane is slidably fitted on an outer side of the guide post, and the spring is sleeved on an outer side of the guide post and used for driving the driven member to reset.

In an optional embodiment, a plurality of first positioning parts are arranged on the first cover body, second positioning parts corresponding to the first positioning parts one to one are arranged on the second cover body, and the first positioning parts are connected with the second positioning parts in a matching manner.

In an optional embodiment, the first positioning element is a positioning column and/or a positioning hole, and the second positioning element is a positioning hole and/or a positioning column matched with the first positioning element.

Drawings

FIG. 1 is an exploded view of an embodiment of the present application;

FIG. 2 is a bottom view of the first cover in the embodiment of the present application;

description of reference numerals: 11. a first cover body; 111. a first chute; 112. a second chute; 113. a transition bevel edge; 114. a first positioning member; 12. a second cover body; 121. a second positioning member; 13. a card slot; 131. a bump; 14. a fastener; 141. a convex portion; 21. a button; 211. a first ratchet; 212. a guide block; 22. a driven member; 221. a second ratchet; 222. a slider; 23. A terminal; 24. a guide plate; 25. a reset member.

Detailed Description

The principles and features of this application are described below in conjunction with the drawings and the embodiments, which are set forth to illustrate the application and not to limit the scope of the application.

The following discloses many different embodiments or examples for implementing the subject technology described. While specific examples of one or more arrangements of features are described below to simplify the disclosure, the examples should not be construed as limiting the present disclosure, and a first feature described later in the specification in conjunction with a second feature can include embodiments that are directly related, can also include embodiments that form additional features, and further can include embodiments in which one or more additional intervening features are used to indirectly connect or combine the first and second features to each other so that the first and second features may not be directly related.

As shown in fig. 1 and 2, the present application discloses an embodiment of a push button 21 switch including a housing and a switch mechanism.

The housing includes a first cover 11 and a second cover 12 that are fastened together, specifically, the first cover 11 may be provided with a plurality of first positioning elements 114, the second cover 12 is provided with second positioning elements 121 that correspond to the first positioning elements 114 one to one, and the first positioning elements 114 are connected to the second positioning elements 121 in a matching manner, so that the first cover 11 and the second cover 12 are fastened together, for example, the first positioning elements 114 are positioning holes that are disposed at four corners of the bottom surface of the first cover 11 and positioning columns at two ends, the second positioning elements 121 are positioning columns that are disposed at four corners of the top surface of the second cover 12 and positioning holes at two ends, and when the first cover 11 and the second cover 12 are connected, the positioning columns are inserted into the positioning holes, so as to fasten the first cover 11 and the second cover 12 together.

In the embodiment disclosed in the present application, a clamping groove 13 is formed on an opposite outer side wall of the first cover 11, a clip 14 corresponding to the clamping groove 13 is disposed on the second cover 12, the clip 14 is inserted into the clamping groove 13, in one example, a side of the clamping groove 13 facing the second cover 12 is opened, the clip 14 can be slidably clamped into the clamping groove 13 from bottom to top, a protrusion 131 protruding to an outside of the first cover 11 is fixed in the clamping groove 13, a protrusion 141 is disposed on the clip 14, for example, the clip 14 is a T-shaped clip 14, a portion of a horizontal portion of the clip 14 protruding from a vertical portion is defined as a protrusion 141, and when the clip 14 is inserted into the clamping groove 13, a side of the protrusion 141 facing the second cover 12 abuts against a side of the protrusion 131 facing the first cover 11.

In the embodiment of the present application, the switch mechanism includes a button 21, a terminal 23, and a guide piece 24, cavities are provided in the first cover 11 and the second cover 12, and a through hole is provided on the first cover 11 or the second cover 12, for convenience of description, the through hole is provided on the first cover 11 in the following embodiments of the present application, wherein the button 21 extends out of the through hole, and the button 21 in which the guide piece 24 and the terminal 23 are located in the cavity is used for contacting or separating the guide piece 24 and the terminal 23.

This application sets up draw-in groove 13 and fastener 14 through adding in first lid 11 and second lid 12 outside, through making fastener 14 and draw-in groove 13 block, can be under the circumstances that first lid 11 and second lid 12 lock appear splitting, still can effectually prevent that the circumstances that first lid 11 and second lid 12 break away from under the high temperature condition from taking place.

In some more specific embodiments, the driven member 22, the guide vane 24, the terminal 23 and the reset member 25 are sequentially arranged in the cavity from top to bottom, wherein, the push button 21 can push the driven member 22 to move axially, the top of the guide vane 24 is provided with a fixing column sleeved on the inner side of the driven member 22, the driven member 22 can drive the guide vane 24 to move, the reset piece 25 is used for driving the terminal 23 to move towards the push button 21, for example, the reset piece 25 is a spring, the second cover body 12 is positioned on the bottom surface of the inner side of the cavity and is fixed with a guide post extending along the axial direction, a groove body recessed along the axial direction is arranged in the middle of a fixing post on the guide vane 24, the guide post is in sliding fit in the groove body, the spring is sleeved on the outer side of the guide post and is positioned between the guide vane 24 and the bottom surface of the cavity, when the follower 22 carries the guide piece 24 away from the terminal 23, the spring is in a compressed state, and the elastic force of the spring returning to the natural state when the spring is compressed is used for driving the follower 22 to return.

The follower 22 is switched between a first position and a second position once per axial reciprocation, and when the follower 22 is at the first position, the terminal 23 is in contact with the guide piece 24, and when the follower 22 is at the second position, the terminal 23 is separated from the guide piece 24.

In a specific example, in order to switch the follower 22 between the first position and the second position, one end of the button 21 facing the inside of the cavity is provided with a circle of first ratchet teeth 211, one side of the follower 22 facing the button 21 is provided with second ratchet teeth 221 matching with the first ratchet teeth 211, the first ratchet teeth 211 can be meshed with the second ratchet teeth 221, as shown in fig. 2, a plurality of axially extending and staggered first sliding chutes 111 and second sliding chutes 112 are arranged around the through hole, the depth of the first sliding chute 111 is greater than that of the second sliding chute 112, for example, the first sliding chute 111 is elongated, the second sliding chute 112 is an angular groove formed by a bevel edge and a vertical edge, wherein a transition bevel edge 113 with the same inclination direction is arranged between any adjacent first sliding chute 111 and second sliding chute 112, the inclination direction in this application refers to the unfolding of the side plane of the follower 22, the transition bevel 113 is offset from the direction of the axial projection on the plane near the end of the button 21. Preferably, the transition slope 113 may be connected to a slope constituting the second chute 112 and have the same slope angle.

Wherein, the side wall of the follower 22 is fixed with a slider 222, the side of the slider 222 facing the button 21 has the same inclination angle with the transition bevel edge 113, the button 21 can press the follower 22 downwards to drive the slider 222 to slide out of the first sliding slot 111 or the second sliding slot 112, when the slider 222 slides out of the first sliding slot 111 or the second sliding slot 112, the follower 22 will deflect towards the inclination direction of the transition bevel edge 113 to enable the first ratchet 211 to be meshed with the second ratchet 221

Wherein a guiding mechanism is further included for enabling the push button 21 to move only in the axial direction. In one example, the guiding mechanism includes a guiding block 212 disposed outside the button 21 and on the first sliding chute 111, the guiding block 212 is slidably disposed in the first sliding chute 111, and the depth of the first sliding chute 111 is greater than the sum of the lengths of the second sliding chute 112 and the guiding block 212 and greater than the moving stroke of the guiding block 212. In addition, in other examples, an axially extending guide slot may be provided separately to guide the guide block 212.

The working principle of the present application is that when the driven member 22 is located in the second sliding slot 112, the driven member 22 is in the first position, and the guide piece 24 is separated from the terminal 23, when the button 21 is pressed, the button 21 pushes the driven member 22 to move, the driven member 22 drives the slider 222 to slide out of the second sliding slot 112, at this time, the driven member 22 will deflect towards the inclined direction in order to make the second ratchet tooth 221 engage with the first ratchet tooth 211, at this time, the slider 222 is opposite to the transition inclined edge 113 between the second sliding slot 112 and the first sliding slot 111, when the button 21 is released, the reset member 25 drives the guide piece 24 to reset, the guide piece 24 drives the driven member 22 to move towards the button 21, when the slider 222 moves to the transition inclined edge, the slider 222 is guided into the first sliding slot 111 by the transition inclined edge 113, at this time, the transmission member 22 is in the first position, the guide piece 24 is in contact with the terminal 23, when the button 21 is pressed again, the above-mentioned actions are repeated, the difference is that when the driven member 22 is reset, the transition bevel edge 113 guides the slider 222 from the first sliding groove 111 to the second sliding groove 112, and the driven member 22 can be switched between the first position and the second position due to the different depths of the first sliding groove 111 and the second sliding groove 112.

This application simple structure through be provided with draw-in groove 13 and fastener 14 on first lid 11 and second lid 12 respectively, can prevent that first lid 11 breaks away from with second lid 12 under the high temperature condition.

In the description of the present specification, it is to be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present specification.

In the description of the present specification, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The terms used in the present specification are those general terms currently widely used in the art in consideration of functions related to the present disclosure, but they may be changed according to the intention of a person having ordinary skill in the art, precedent, or new technology in the art. Also, specific terms may be selected by the applicant, and in this case, their detailed meanings will be described in the detailed description of the present disclosure. Therefore, the terms used in the specification should not be construed as simple names but based on the meanings of the terms and the overall description of the present disclosure.

Flowcharts or text are used in this specification to illustrate the operational steps performed in accordance with embodiments of the present application. It should be understood that the operational steps in the embodiments of the present application are not necessarily performed in the exact order recited. Rather, the various steps may be processed in reverse order or simultaneously, as desired. Meanwhile, other operations may be added to the processes, or a certain step or several steps of operations may be removed from the processes.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A button switch is characterized by comprising a shell, wherein the shell comprises a first cover body and a second cover body which are buckled with each other, a clamping groove is formed in the outer side wall, opposite to the first cover body, of the first cover body, a clamping piece corresponding to the clamping groove is arranged on the second cover body, and the clamping piece is inserted into the clamping groove; and

the switch mechanism comprises a button, a terminal and a guide sheet, a cavity is arranged in the first cover body and the second cover body, a through hole is formed in the first cover body or the second cover body, the button extends out of the through hole, and the guide sheet and the terminal are located in the cavity and the button is used for driving the guide sheet to be in contact with or separated from the terminal.

2. The push-button switch according to claim 1, wherein a projection projecting outward of the first cover is provided in the engaging groove, and a projection is provided on the locking piece, and when the locking piece is inserted into the engaging groove, a side of the projection facing the second cover abuts against a side of the projection facing the first cover.

3. The push button switch of claim 1, further comprising a follower and a reset member, wherein said push button is configured to urge said follower in an axial direction, said follower is coupled to said guide, said follower is configured to move said guide, said reset member is configured to urge said terminal toward said push button, said follower is configured to switch between a first position and a second position during each axial reciprocation, said terminal is in contact with said guide when said follower is in said first position, and said terminal is separated from said guide when said follower is in said second position.

4. The push button switch of claim 3, further comprising a guide mechanism for allowing only axial movement of said push button.

5. The push-button switch according to claim 4, wherein a circle of first ratchet teeth is disposed at an end of the push-button facing the inside of the cavity, a second ratchet teeth matching with the first ratchet teeth is disposed on the follower, a plurality of first sliding grooves and second sliding grooves are disposed in the through hole in a surrounding manner, the first sliding grooves are deeper than the second sliding grooves, transition inclined edges with the same inclination direction are disposed between any adjacent first sliding grooves and second sliding grooves, a sliding block is disposed on a side wall of the follower, when the sliding block is disposed in the first sliding groove, the follower is in the first position, when the sliding block is disposed in the second sliding groove, the follower is in the second position, the push-button can press the follower to slide the sliding block out of the first sliding groove or the second sliding groove, when the sliding block slides out of the first sliding groove or the second sliding groove, the driven piece deflects towards the inclined direction to enable the first ratchet teeth to be meshed with the second ratchet teeth, and the inclined direction refers to the direction of one end, close to the button, of the transition inclined edge to deviate from the direction projected on the plane in the axial direction after the side plane of the driven piece is unfolded.

6. The push button switch of claim 5, wherein the guide mechanism includes the first slide slot and a guide block disposed outside the push button, the guide block being slidably disposed within the first slide slot, the first slide slot having a depth greater than a sum of the lengths of the second slide slot and the guide block and greater than a travel of the guide block.

7. The push button switch of any one of claims 3 to 6, wherein the return member is a spring.

8. The push button switch of claim 7, wherein a guide post is disposed in the cavity at an end remote from the push button, the guide tab is slidably engaged on an outer side of the guide post, and the spring is received on an outer side of the guide post and is configured to urge the follower to return.

9. The button switch according to any one of claims 3 to 6, wherein a plurality of first positioning members are provided on the first cover, and second positioning members corresponding to the first positioning members are provided on the second cover, and the first positioning members are connected with the second positioning members in a fitting manner.

10. The push-button switch of claim 9, wherein the first positioning member is a positioning post and/or a positioning hole, and the second positioning member is a positioning hole and/or a positioning post matching with the first positioning member.

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