Elastic sheet type key structure

Abstract

The utility model discloses an elastic sheet type key structure, and belongs to the technical field of keys. An elastic sheet type key structure comprises a mounting disc and further comprises a connecting elastic sheet fixedly connected to the mounting disc, a bent elastic sheet is fixedly connected to the connecting elastic sheet, a limiting elastic sheet is fixedly connected to the bent elastic sheet, and a button is fixedly connected to the limiting elastic sheet; the protection end face of the sealing film faces the button; under the action of the connecting elastic piece, the bending elastic piece can automatically drive the limiting elastic piece to return, so that the elasticity of the elastic piece is lasting and stable, the phenomenon that the elasticity is weakened is prevented, the sealing film can effectively protect the button, external substances such as dust and water vapor are prevented from entering the health all-in-one machine, and the health all-in-one machine is protected. The waterproof safety effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of keys, in particular to a spring-type key structure. Background Art

[0002] The all-in-one health machine is a smart device that integrates multiple health monitoring functions, usually including weight measurement, blood pressure monitoring, heart rate detection, body temperature measurement and other functions. In addition, the all-in-one health machine is usually equipped with a back cover to protect the equipment inside the body. This device can help users monitor their physical health in real time, detect abnormalities in time and take corresponding measures. There are buttons on the all-in-one health machine to control the power supply of the machine or the circuit of the device.

[0003] After searching, the utility model in patent number CN207602442U discloses a spring-type membrane switch, including a switch panel, on which there is an integrally formed key panel; a pressing spring body, which is arranged directly below the key panel, and a pressing spring is arranged in the pressing spring body, and fixed sheets are arranged on both sides thereof; a diaphragm plate is arranged on both sides of the pressing spring body; an upper metal spring is arranged below the pressing spring body and the diaphragm plate, an upper spring sheet is welded below the upper metal spring, a lower spring sheet is arranged directly below the upper spring sheet, and the lower spring sheet is welded to the lower metal spring, wherein the upper spring sheet and the lower spring sheet are respectively arranged coaxially with the key panel, the pressing spring body and the pressing spring; a film circuit board is arranged at the bottom of the lower metal spring, and a backing paper key is arranged at the bottom of the film circuit board.

[0004] However, in actual use, it was found that the elasticity of the metal shrapnel of this type of shrapnel switch is easily weakened after long-term use. At the same time, the entire switch structure has poor waterproofness, which shortens the normal service life of this type of shrapnel switch. There may also be a risk of accidents caused by immersion in water, affecting the safe use of the health all-in-one machine. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that the elasticity of metal springs is easily weakened after long-term use, and the entire switch structure has poor waterproofness, which leads to a shortened normal service life of such spring-type switches, and proposes a spring-type key structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A spring-type button structure includes a mounting plate, and also includes: a connecting spring fixedly connected to the mounting plate, wherein the connecting spring is fixedly connected to a bent spring, the bent spring is fixedly connected to a limiting spring, and the limiting spring is fixedly connected to a button; and a sealing film, wherein the protective end face of the sealing film faces the button.

[0008] In order to facilitate the control of the push switch, preferably, it also includes a circuit board, on which the push switch is fixedly connected, and a push block is fixedly connected to the bottom of the button, and the push block cooperates with the push switch.

[0009] In order to improve the contact effect of the button, further, the button is made of rubber or plastic.

[0010] In order to facilitate the limiting and fixing of the mounting plate, preferably, a mounting seat is further included, the mounting seat is fixedly connected to the health all-in-one machine, and the mounting plate is fixedly connected to the mounting seat by locking bolts.

[0011] In order to improve the performance of the spring piece, preferably, the spring piece is made of stainless steel or aluminum.

[0012] In order to improve the sealing effect, preferably, the sealing film is made of polyvinyl chloride or polyethylene.

[0013] Compared with the prior art, the utility model provides a spring-type key structure, which has the following beneficial effects:

[0014] 1. The spring-type button structure can make the bent spring automatically drive the limit spring to return to its original position under the action of the connecting spring, so as to ensure the lasting and stable elasticity of the spring, prevent the phenomenon of elasticity weakening, prolong its service life, and reduce replacement and maintenance costs;

[0015] 2. The spring-type button structure makes the protective surface of the sealing film fit with the top of the button, so that the sealing film effectively protects the button, thereby effectively preventing external substances such as dust and water vapor from entering the health all-in-one machine, thereby improving the waterproof safety effect;

[0016] 3. The spring-type button structure can also improve the touch effect when the hand contacts the button through the rubber or plastic material.

[0017] The parts not involved in the device are the same as the existing technology or can be implemented by the existing technology. The utility model can make the bent spring automatically drive the limiting spring to return to its position under the action of the connecting spring, so as to ensure the long-lasting and stable elasticity of the spring and prevent the phenomenon of elasticity weakening, thereby extending its service life and reducing replacement and maintenance costs. It can also enable the sealing film to effectively protect the button, prevent external substances such as dust and water vapor from entering the interior of the health all-in-one machine, and improve the waterproof safety effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural diagram of a spring-type key structure proposed by the utility model;

[0019] Figure 2This is a structural schematic diagram of a spring-type key structure spring proposed by the utility model;

[0020] Figure 3 A schematic diagram of the structure of a spring-type key structure plane proposed by the utility model Figure 1 ;

[0021] Figure 4 A schematic diagram of the structure of a spring-type key structure plane proposed by the utility model Figure 2 .

[0022] In the figure: 1, button; 2, sealing film; 201, pressing block; 3, mounting plate; 4, mounting seat; 5, connecting spring; 6, bending spring; 7, limiting spring; 8, circuit board; 801, press switch. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Example:

[0026] Reference Figure 1-Figure 4 , a spring-type key structure, including a health all-in-one machine, which is a smart device that integrates multiple health monitoring functions. This is an existing technology, usually including weight measurement, blood pressure monitoring, heart rate detection, body temperature measurement and other functions. This device can help users monitor their physical health in real time, detect abnormalities in time and take corresponding measures.

[0027] In addition, a rear cover shell is fixedly connected to the top of the health all-in-one machine, and a mounting base 4 is fixedly connected to the rear cover shell, and then the mounting plate 3 is fixedly connected to the mounting base 4 by a locking bolt, and a connecting spring piece 5 is fixedly connected to the mounting plate 3, a bending spring piece 6 is fixedly connected to the connecting spring piece 5, and a limiting spring piece 7 is fixedly connected to the bending spring piece 6, and the material of the above-mentioned spring pieces is stainless steel or aluminum, and the connecting spring piece 5 and the bending spring piece 6 are welded at a vertical angle, and chamfers are provided at the welding points, and the bending spring piece 6 and the limiting spring piece 7 are welded at a vertical angle, and chamfers are provided at the welding points, please refer to Figure 2 As shown in the figure, the limiting spring piece 7 and the connecting spring piece 5 are in a parallel state, and then the button 1 is fixedly connected to the limiting spring piece 7. A circuit board 8 is also provided in the health all-in-one machine, and a press switch 801 is fixedly connected to the circuit board 8. The press switch 801 is a prior art and will not be described in detail here. A pressing block 201 is also fixedly connected to the bottom of the button 1, and the internal spring piece can be easily disassembled to perform elasticity detection or maintenance on the internal spring piece.

[0028] The working principle is as follows: when the push switch 801 needs to be pressed, the pressing block 201 can be pressed down manually. During this process, the limiting spring piece 7 will be pressed and tilted. After being pressed, the bending spring piece 6 will drive the limiting spring piece 7 to return to its original position under the action of the connecting spring piece 5, so as to ensure that the elasticity of the spring piece is long-lasting and stable, prevent the phenomenon of elasticity weakening, extend its service life, and reduce replacement and maintenance costs.

[0029] For explanation, please refer to Figure 1 As shown in the figure, the button 1 is made of rubber or plastic, and a sealing film 2 is provided on the top outer wall of the health all-in-one machine, and the sealing film 2 is made of polyvinyl chloride or polyethylene, and the protective surface of the sealing film 2 is in contact with the top of the button 1, so that the sealing film 2 can effectively protect the button 1, thereby effectively preventing external substances such as dust and water vapor from entering the interior of the health all-in-one machine, thereby improving the waterproof safety effect. At the same time, the button 1 made of rubber or plastic can also improve the touch effect when touched by hand.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spring-type key structure, comprising a mounting plate (3), characterized in that: Also includes: a connecting spring (5) fixedly connected to the mounting plate (3), Wherein, the connecting spring sheet (5) is fixedly connected to a bent spring sheet (6), the bent spring sheet (6) is fixedly connected to a limiting spring sheet (7), and the limiting spring sheet (7) is fixedly connected to a button (1); and a sealing film (2), wherein the protective end surface of the sealing film (2) faces the button (1).

2. A spring-type key structure according to claim 1, characterized in that: It also comprises a circuit board (8), a push switch (801) is fixedly connected to the circuit board (8), a push block (201) is fixedly connected to the bottom of the button (1), and the push block (201) cooperates with the push switch (801).

3. A spring-type key structure according to claim 2, characterized in that: The button (1) is made of rubber or plastic.

4. A spring-type key structure according to claim 1, characterized in that: It also comprises a mounting seat (4), wherein the mounting seat (4) is fixedly connected to the integrated health machine, and the mounting plate (3) is fixedly connected to the mounting seat (4) via locking bolts.

5. The spring-type key structure according to claim 1, characterized in that: The material of the spring piece is stainless steel or aluminum.

6. A spring-type key structure according to claim 1, characterized in that: The sealing film (2) is made of polyvinyl chloride or polyethylene.

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