CN218215070U

CN218215070U - Key switch and electronic equipment

Info

Publication number: CN218215070U
Application number: CN202221907456.2U
Authority: CN
Inventors: 宋文斌; 舒伟芳; 叶春景
Original assignee: Shenzhen Zhihe Century Technology Co ltd
Current assignee: Shenzhen Zhihe Century Technology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-01-03
Anticipated expiration: 2032-07-21

Abstract

The application provides a key switch, which comprises a base, four pins, a cover plate, a button and an elastic piece; the middle part of the base is provided with a first through hole, four pins penetrate through the base, the first pin corresponds to the second pin, and the third pin corresponds to the fourth pin; the first through hole can accommodate the elastic piece, the elastic piece is provided with a button, the cover plate is provided with a second through hole, and the top of the button can pass through the second through hole; when the button is pressed, the elastic piece arranged below the button is deformed, the elastic piece deforms and extrudes the pins to enable the first pins to be in contact conduction with the second pins and enable the third pins to be in contact conduction with the fourth pins; when the button is not pressed, the button is reset to the initial position, and the elastic piece rebounds to enable the first pin to be not in contact with the second pin and the third pin to be not in contact with the fourth pin. The utility model discloses a button realizes the closure and the disconnection of two control scenes simultaneously, and simple structure, and reasonable in design has guaranteed operating stability. The application also provides an electronic device.

Description

Key switch and electronic equipment

Technical Field

The utility model belongs to the technical field of the key switch, a key switch and electronic equipment is related to.

Background

The key switch is an electronic element switch, belonging to the electronic appliance field. Generally, the key function of the key switch has only two states of on and off. The prior art key switch usually has only one key, and the key can be applied to only one control scenario, that is, the key switch can only realize the on and off of one control scenario. In some application scenarios, two keys are required to simultaneously implement the on and off of two control scenarios, and the key switch in the prior art cannot simultaneously meet such requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can realize the closed of two control scenes simultaneously and the key switch of disconnection.

The embodiment provides a key switch, which comprises a base, four pins, a cover plate, a button and an elastic piece, wherein the base is provided with a plurality of pins;

the middle part of the base is provided with a first through hole, the four pins penetrate through the base and comprise a first pin, a second pin, a third pin and a fourth pin, the first pin corresponds to the second pin, and the third pin corresponds to the fourth pin; the first through hole can accommodate the elastic piece, the button is arranged on the elastic piece, the second through hole is arranged on the cover plate, and the top of the button can pass through the second through hole;

when the button is pressed, the elastic piece arranged below the button is deformed, and the elastic piece deforms and extrudes the pins to enable the first pins to be in contact conduction with the second pins and enable the third pins to be in contact conduction with the fourth pins;

when the button is not pressed, the button is reset to an initial position, and the elastic piece rebounds to enable the first pin and the second pin not to be in contact, and enable the third pin and the fourth pin not to be in contact.

In one implementation mode, four first mounting holes are formed in the base, and four second mounting holes corresponding to the first mounting holes in position are formed in the cover plate.

In an implementation manner, the first pins and the third pins are symmetrically distributed, and the second pins and the fourth pins are symmetrically distributed.

In one implementation, the top of the button is arc-shaped.

In one implementation, the pin is made of brass or phosphor copper.

In one implementation, the cover plate is a stainless steel sheet.

In one implementation, a spacer is disposed between the spring and the pin.

In one implementation mode, the key switch further comprises a spacer limiting plate, the spacer limiting plate is arranged between the spacer and the first through hole, and a limiting hole with a size slightly larger than that of the spacer is arranged in the middle of the spacer limiting plate.

In one implementation, the base, the button, the spacer, and the spacer limiting plate are made of any one of PPA and PA 66.

In an implementation manner, an electronic device includes the key switch.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

the utility model provides a key switch is pressed through the button, so that the elastic sheet arranged below the button is deformed by force, the elastic sheet is deformed to extrude the pins, and the two pins are contacted and conducted, thereby realizing the closing of two control scenes connected with the two pins; when the button is not pressed, the elastic sheet resets, the two pins are not contacted, and the two control scenes connected with the two pins are disconnected, so that the two control scenes are simultaneously closed and disconnected by one button. The utility model discloses simple structure, reasonable in design has guaranteed operating stability to the suitability is strong.

Drawings

Fig. 1 is a perspective view of a key switch provided in an embodiment of the present invention;

fig. 2 is a top view of the key switch shown in fig. 1;

fig. 3 is an exploded structural view of a key switch according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a pin according to an embodiment of the present invention;

fig. 5 is a schematic diagram provided in the embodiment of the present invention.

Wherein: 10. a base; 20. a pin; 201. a first pin; 202. a second pin; 203. a third pin; 204. a fourth pin; 30. a cover plate; 40. a button; 50. an elastic member; 60. a spacer; 70. spacer limiting plate.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left"

The references to "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced device or component must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

As shown in fig. 1, fig. 2, fig. 3 and fig. 5, the present embodiment provides a key switch, including: the base 10, the four pins 20, the cover plate 30, the button 40 and the elastic element 50;

the middle of the base 10 is provided with a first through hole, the four pins 20 penetrate through the base 10, the four pins include a first pin 201, a second pin 202, a third pin 203 and a fourth pin 204, the first pin 201 corresponds to the second pin 202, and the third pin 203 corresponds to the fourth pin 204; the first through hole can accommodate the elastic element 50, the button 40 is arranged on the elastic element 50, a second through hole is arranged on the cover plate 30, and the top of the button 40 can pass through the second through hole;

when the button 40 is pressed, the elastic piece 50 arranged below the button 40 is deformed, the elastic piece 50 is deformed to press the pins, so that the first pin 201 is in contact conduction with the second pin 202, and the third pin 203 is in contact conduction with the fourth pin 204;

when the button 40 is not pressed, the button 40 is reset to the initial position, and the elastic member 50 rebounds to make the first pin 201 not contact with the second pin 202 and to make the third pin 203 not contact with the fourth pin 204.

It should be noted that, as shown in fig. 4, as long as two pins of the first pin 201, the second pin 202, the third pin 203, and the fourth pin 204 provided in the embodiment of the present invention can abut against each other, the two pins may be regarded as the first pin 201 and the second pin 202, and may also be regarded as the third pin 203 and the fourth pin 204.

As shown in fig. 5, when the button 40 is pressed, the elastic element 50 deforms itself under the action of the button 40, and is recessed downward to press the four pins 20, so that the first pin 201 is in contact with the second pin 202, and the third pin 203 is in contact with the fourth pin 204, thereby implementing the simultaneous closing function of the key switch.

The button 40 is no longer pressed, the acting force acting on the elastic element 50 disappears, the elastic element 50 rebounds under the action of the elastic restoring force of the elastic element 50, so that the button 40 is reset by the elastic force from the elastic element 50, the first pin 201 and the second pin 202 are no longer extruded to be closed, and the third pin 203 and the fourth pin 204 are no longer extruded to be closed, and the simultaneous opening function of the key switch is realized.

The utility model provides a key switch is pressed through the button, so that the elastic sheet arranged below the button is deformed by force, the elastic sheet is deformed to extrude the pins, and the two pins are contacted and conducted, thereby realizing the closing of two control scenes connected with the two pins; when the button is not pressed, the elastic sheet resets, the two pins are not in contact with each other, the two control scenes connected with the two pins are disconnected, and therefore the two control scenes are closed and disconnected simultaneously by the aid of the button. The utility model discloses simple structure, reasonable in design has guaranteed operating stability to the suitability is strong.

In one embodiment, as shown in fig. 1 and 2, four first mounting holes are formed in the base 10, and four second mounting holes corresponding to the first mounting holes are formed in the cover 30. Wherein, the connection between the base 10 and the cover plate 30 can pass through the first mounting hole and the second mounting hole by bolts, so that the base 10 and the cover plate 30 are tightly connected and are convenient to detach.

In one embodiment, as shown in fig. 3 and 4, the first pins 201 and the third pins 203 are symmetrically disposed, and the second pins 202 and the fourth pins 204 are symmetrically disposed. The symmetrical distribution design of the pins does not need to identify the installation direction of the pins 20, thereby facilitating the production.

Optionally, the top of the button 40 is arc-shaped. In consideration of the fact that the key switch is used when the user presses the button 40, the top of the button 40 is designed to be arc-shaped to facilitate the user experience.

Optionally, the material of the pin 20 is brass or phosphor copper. Because of the conductive characteristics of brass and phosphor copper, the pin 20 is made of brass or phosphor copper, so that the pin 20 is better conductive when in contact conduction. The brass and the phosphor copper have lower cost, and the production cost can be saved. And brass and phosphor-copper have certain and intensity and hardness for pin 20 is when receiving the dynamics, not fragile.

Optionally, the cover plate 30 is a stainless steel sheet. The cover plate 30 is made of stainless steel and is not easy to wear, so that the service life of the key switch is prolonged.

In one embodiment, as shown in fig. 3, spacers 60 are disposed between the spring 50 and the pin 20. Wherein a spacer 60 is provided between the elastic member 50 and the pin 20 for insulation of the elastic member 50 and the pin 20 in consideration of electrical safety.

In one embodiment, as shown in fig. 3, the key switch further includes a spacer limiting plate 70, the spacer limiting plate 70 is disposed between the spacer 60 and the first through hole, and a limiting hole with a size slightly larger than that of the spacer 60 is disposed in a middle portion of the spacer limiting plate 70. Considering that the push button 40 is pressed when the push button switch is in use, which may cause the displacement of the spacer 60 and thus affect the insulation effect between the elastic member 50 and the pin 20, a spacer limiting plate 70 with a limiting hole is provided to limit the spacer 60 in the limiting hole of the spacer limiting plate 70, so that the spacer 60 can only move up and down in the limiting hole, thereby not affecting the insulation effect.

Optionally, the material of the base 10, the button 40, the spacer 60, and the spacer limiting plate 70 is any one of PPA and PA 66.

Among them, polyphthalamide (PPA) is a semi-crystalline thermoplastic aromatic polyamide, commonly called aromatic high-temperature nylon, and has the advantages of high modulus, high hardness, high cost performance, low water absorption, dimensional stability, excellent weldability, and the like. Polyhexamethylene adipamide (abbreviated as PA 66) is a thermoplastic resin, and has high mechanical strength and hardness and high rigidity. The base 10, the button 40, the spacer 60 and the spacer limiting plate 70 are made of any material, so that the base 10, the button 40, the spacer 60 and the spacer limiting plate 70 have good stability.

In an embodiment, an electronic device includes the key switch. The electronic device may be an advertisement screen, and illustratively, the advertisement screen has an operation control circuit and a power circuit, the first pin and the second pin are connected with the operation control circuit, and the third pin and the fourth pin are connected with the power circuit. When the button is pressed, the first pin is in contact with the second pin, the third pin is in contact with the fourth pin, and the connected work control circuit and the power supply circuit are respectively conducted, so that the effect that one button can simultaneously complete the closing function of two keys is realized.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A key switch, comprising: the device comprises a base, four pins, a cover plate, a button and an elastic piece;

the middle of the base is provided with a first through hole, four pins penetrate through the base and comprise a first pin, a second pin, a third pin and a fourth pin, the first pin corresponds to the second pin, and the third pin corresponds to the fourth pin; the first through hole can accommodate the elastic piece, the button is arranged on the elastic piece, the second through hole is arranged on the cover plate, and the top of the button can pass through the second through hole;

2. The pushbutton switch according to claim 1, wherein said base has four first mounting holes, and said cover has four second mounting holes corresponding to said first mounting holes.

3. The key switch of claim 1, wherein the first pin and the third pin are symmetrically disposed, and the second pin and the fourth pin are symmetrically disposed.

4. The key switch of claim 1, wherein the top of the button is arcuate in shape.

5. The key switch of claim 1, wherein the pin is made of brass or phosphor copper.

6. A key switch according to claim 1 wherein said cover is a stainless steel sheet.

7. A key switch according to claim 1, wherein a spacer is provided between said elastic member and said pin.

8. The key switch according to claim 7, further comprising a spacer limiting plate, wherein the spacer limiting plate is disposed between the spacer and the first through hole, and a limiting hole slightly larger than the spacer is disposed in a middle of the spacer limiting plate.

9. The key switch of claim 8, wherein the base, the button, the spacer, and the spacer-limiting plate are made of any one of PPA and PA 66.

10. An electronic device, characterized in that it comprises a push switch according to any one of claims 1-9.