CN219144028U

CN219144028U - Pressure equalization and resetting structure of switch button

Info

Publication number: CN219144028U
Application number: CN202223156109.3U
Authority: CN
Inventors: 温永忠; 陈倍洁
Original assignee: Guangdong Seneasy Intelligent Technology Co ltd
Current assignee: Guangdong Seneasy Intelligent Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-06
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a pressure equalization and reset structure of a switch button, wherein the button is rotationally assembled on a middle frame through a rotating shaft, one side of the bottom of the button is provided with a force equalization piece, the force equalization piece is rotationally connected between the button, the middle frame and a bottom shell, a switch contact of the button is correspondingly arranged with a switch key of a switch mechanism through an opening on the middle frame, a plurality of elastic reset pieces are arranged between the button and the middle frame, the opening and the elastic reset pieces are respectively arranged between the rotating shaft and the force equalization piece, through the structure, the switch state can be smoothly changed when the button is pressed at corners with smaller force, the user experience is improved, and the service life of the switch is prolonged; the device has the advantages of simple structure, low manufacturing cost, convenient operation and good use effect.

Description

Pressure equalization and resetting structure of switch button

Technical Field

The utility model relates to the technical field of switches, in particular to a pressure equalization and reset structure of a switch button.

Background

Currently, button switches used in the market change the switch state by pressing a button, and when a pressing force is applied to corners of the button, the switch state cannot be changed due to uneven stress of the button, so that inconvenience is brought to a customer. And because the button atress is uneven, the switch is easy to cause the damage after long-time use, shortens switch life. Therefore, there is an urgent need to improve the prior art and develop a structure for equalizing pressure and resetting the switch button.

Disclosure of Invention

Based on this, it is necessary to provide a structure for equalizing pressure and resetting the switch button in order to solve the existing problems.

The switch button pressure equalization and resetting structure comprises a button, a middle frame and a bottom shell; the button is rotationally assembled on the middle frame through a rotating shaft, and the middle frame is assembled on the bottom shell; one side of the bottom of the button is provided with a force equalizing piece, the force equalizing piece comprises force equalizing rods hinged to the bottom of the button and arranged parallel to the rotating shaft, two ends of each force equalizing rod are respectively provided with a rotating rod, and the other end of each rotating rod is provided with a limiting rod; a limiting through groove is formed in the middle frame at the position corresponding to the rotating rod, and the limiting rod penetrates through the limiting through groove and is limited between the middle frame and the bottom shell; a switch mechanism is arranged between the middle frame and the bottom shell, and a switch key is arranged on the switch mechanism; the switch contact at the bottom of the button is arranged corresponding to the switch key through an opening on the middle frame; a plurality of elastic resetting pieces are arranged between the button and the middle frame, and the opening and the elastic resetting pieces are arranged between the rotating shaft and the force equalizing piece.

As an implementation mode, the bottom of the button is provided with a balance rod limiting assembly, the balance rod limiting assembly comprises a first limiting piece and a second limiting piece, arc-shaped grooves are formed in the first limiting piece and the second limiting piece towards the horizontal direction, and the opening directions of the two arc-shaped grooves are opposite.

As an implementation mode, a guide groove is formed in the middle frame corresponding to the equalizing rod.

As an implementation mode, the bottom shell is provided with an accommodating space for accommodating the limiting rod.

As one embodiment, the force equalizing member is made of an elastic metal rod by bending.

As one implementation mode, the bottom of the button is provided with a reset piece fixing groove.

As an implementation mode, a reset piece accommodating groove is formed in the middle frame corresponding to the reset piece fixing groove, and a reset contact is arranged in the reset piece accommodating groove.

As one embodiment, the elastic restoring member is a dome sheet.

As one embodiment, the number of the elastic restoring pieces is at least two.

As an implementation mode, the bottom of the button is provided with a plurality of guide parts, the guide parts are provided with through holes, the middle frame is provided with a plurality of guide part accommodating grooves, the rotating shaft is arranged on one side of the guide part accommodating grooves, and the rotating shaft is matched with the through holes.

According to the pressure equalization and reset structure of the switch button, the button is rotationally assembled on the middle frame through the rotating shaft, the force equalization piece is arranged on one side of the bottom of the button, the force equalization piece is rotationally connected between the button, the middle frame and the bottom shell, the switch contact of the button is correspondingly arranged with the switch key of the switch mechanism through the opening on the middle frame, a plurality of elastic reset pieces are arranged between the button and the middle frame, the opening and the elastic reset pieces are respectively arranged between the rotating shaft and the force equalization piece, through the structure, the switch state can be smoothly changed when the button is pressed at the corner by small force, the user experience is improved, and the service life of the switch is prolonged. The device has the advantages of simple structure, low manufacturing cost, convenient operation and good use effect.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of a pressure equalization and reset structure of a switch button of the utility model;

FIG. 2 is a schematic diagram of the explosion structure of the pressure equalization and reset structure of the switch button of the present utility model;

FIG. 3 is a schematic diagram of the structure of the pressure equalization and reset structure button of the switch button of the present utility model;

FIG. 4 is a schematic view of the structure of the switch button of the present utility model after the pressure equalization and reset structure conceals the button and the elastic reset member;

FIG. 5 is a schematic view of the structure of the switch button of the present utility model after the pressure equalization and reset structure conceals the button, the elastic reset member and the middle frame;

wherein, button 1, switch contact 11, first locating part 12, second locating part 13, arcuate slot 14, reset piece fixed slot 15, guide part 16, through-hole 17; the device comprises a middle frame 2, a rotating shaft 21, a limiting through groove 22, an opening 23, a guide groove 24, a reset piece accommodating groove 25, a reset contact 26 and a guide part accommodating groove 27; a bottom case 3 accommodating the space 31; the force equalizing piece 4, the force equalizing rod 41, the rotating rod 42 and the limiting rod 43; a switch mechanism 5, a switch key 51; and an elastic restoring member 6.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," "one side," "another side," "one end," "the other end," and the like are used herein for descriptive purposes only and not for limitation of the specific orientation of components in the product or apparatus.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-5, the pressure equalizing structure of the power switch button 1 of the utility model comprises a button 1, a middle frame 2 and a bottom shell 3; the button 1 is rotatably assembled on the middle frame 2 through a rotating shaft 21, and the middle frame 2 is assembled on the bottom shell 3; one side of the bottom of the button 1 is provided with a force equalizing piece 4, the force equalizing piece 4 comprises force equalizing rods 41 hinged to the bottom of the button 1 and arranged parallel to the rotating shaft 21, two ends of each force equalizing rod 41 are respectively provided with a rotating rod 42, and the other end of each rotating rod 42 is provided with a limiting rod 43; a limiting through groove 22 is formed in the middle frame 2 corresponding to the rotating rod 42, and a limiting rod 43 penetrates through the limiting through groove 22 and is limited between the middle frame 2 and the bottom shell 3; a switch mechanism 5 is arranged between the middle frame 2 and the bottom shell 3, and a switch key 51 is arranged on the switch mechanism 5; the switch contact 11 at the bottom of the button 1 is arranged corresponding to the switch key 51 through the opening 23 on the middle frame 2; a plurality of elastic resetting pieces 6 are arranged between the button 1 and the middle frame 2, and the opening 23 and the elastic resetting pieces 6 are arranged between the rotating shaft 21 and the uniform force piece 4.

Specifically, the button 1, the middle frame 2 and the bottom shell 3 shown in fig. 1-5 are square, and it is understood that other suitable shapes are possible; the button 1, the middle frame 2 and the bottom shell 3 are made of plastic; the push button 1 is rotatably mounted on the middle frame 2 through a rotation shaft 21, and the middle frame 2 is mounted on the bottom case 3, specifically, the middle frame 2 is mounted on the bottom case 3 through a snap-fit manner.

In addition, the equalizing lever 41 is disposed parallel to the rotation shaft 21, and it is understood that the rotation lever 42 is disposed perpendicular to the rotation shaft 21, and the stopper lever 43 is disposed parallel to the rotation shaft 21; when the button 1 is pressed on the side of the force equalizing member 4, the force equalizing lever 41 can rotate between the button 1 and the center 2 toward the center 2 with the limit lever 43 as an axis.

In addition, a groove (not shown in the figure) for accommodating the switching mechanism 5 is provided in the bottom case 3, and the switching mechanism 5 is provided in the groove; the switch mechanism 5 is a common PCBA board and a battery (not labeled in the figure) with a switch function, and belongs to the prior art, the specific structure is not described again, a switch key 51 is arranged on the switch mechanism, and the switch mechanism 5 can be opened or closed by pressing the switch key 51 through a switch contact 11 at the bottom of the button 1.

In addition, a plurality of elastic restoring pieces 6 are arranged between the button 1 and the middle frame 2, and the elastic restoring pieces 6 are arranged between the rotating shaft 21 and the force equalizing piece 4, so that the button 1 can rotate around the rotating shaft 21 by taking the elastic restoring pieces 6 as supporting points.

When the push button is used, when the push button 1 is pressed on the side where the force equalizing piece 4 is located, the force equalizing rod 41 drives the whole push button 1 to rotate around the rotating shaft 21 by taking the elastic reset piece 6 as a supporting point, so that the push button is pressed down, and the elastic reset piece 6 is elastically deformed in the process; then, when the equalizing rod 41 contacts with the middle frame 2, the switch contact 11 at the bottom of the button 1 presses the switch key 51 to open or close the switch mechanism 5; after the push button 1 is released, the elastic reset piece 6 is elastically deformed, so that the push button 1 is driven to reset.

Further, as shown in fig. 3, in order to hinge the equalizing rod 41 at the bottom of the button 1, an equalizing rod limiting assembly is disposed at the bottom of the button 1, the equalizing rod limiting assembly includes a first limiting member 12 and a second limiting member 13, arc-shaped grooves 14 are formed in the first limiting member 12 and the second limiting member 13 towards the horizontal direction, and the opening directions of the two arc-shaped grooves 14 are opposite.

Specifically, the first limiting part 12 and the second limiting part 13 are respectively arranged at two ends of the bottom of the button 1, one of the openings of the two arc-shaped grooves 14 faces the rotating shaft 21, the other opening of the two arc-shaped grooves 14 is far away from the rotating shaft 21, so that one arc-shaped groove 14 contacts with one side of the balancing rod 41 far away from the rotating shaft 21, and the other arc-shaped groove 14 contacts with one side of the balancing rod 41 close to the rotating shaft 21, thereby limiting two sides of the balancing rod 41, facilitating the installation of the balancing rod 41 at the bottom of the button 1 on one hand, preventing the balancing rod 41 from being separated from the button 1 in the using process on the other hand, and improving the stability of the structure.

Further, a guide groove 24 is provided on the middle frame 2 corresponding to the equalizing rod 41.

Specifically, as shown in fig. 4, the shape and position of the guide groove 24 correspond to those of the average force lever 41, and the average force lever 41 and the guide groove 24 are press-fitted. When the push button 1 is pushed, the equalizer bar 41 is pushed down and moves along the guide groove 24, and the guide groove 24 is provided to stabilize the movement of the equalizer bar 41, so that the equalizer bar is not easily deviated.

Further, the bottom case 3 is provided with a receiving space 31 for receiving the limiting rod 43.

As shown in fig. 5, the stopper rod 43 can be accommodated therein by the arrangement of the accommodation space 31, thereby making the position of the stopper rod 43 more stable.

Further, the force equalizing member 4 is made of an elastic metal rod by bending.

The force equalization member 4 is made of the elastic metal rod through bending, so that the force equalization member 4 is not easy to damage and has longer service life.

Further, a reset piece fixing groove 15 is formed in the bottom of the button 1.

As shown in fig. 3, the elastic restoring member 6 can be fixed to the bottom of the push button 1 by providing the restoring member fixing groove 15.

Further, a reset piece accommodating groove 25 is formed in the middle frame 2 corresponding to the reset piece fixing groove 15, and a reset contact 25 is arranged in the reset piece accommodating groove 25.

Preferably, as shown in fig. 4, the reset contact 25 is disposed at a central position of the reset member receiving groove 25; through setting up of reset contact 25, can form stable fulcrum to elastic reset piece 6 central point position, be convenient for elastic reset piece 6 surrounding portion down take place the deformation or be convenient for elastic reset piece 6 surrounding portion up take place the reply and drive button 1 and upwards reset. In addition, through setting up of restoring member accommodation groove 25, can provide certain space and support for the deformation of elastic restoring member 6, make the structure more stable.

Further, the elastic reset piece 6 is a dome sheet.

The dome is a common elastic resetting piece, and has the advantages of simple structure, high reliability and low cost. Preferably, the elastic restoring member 6 is a dome sheet, but the specific composition of the elastic restoring member 6 is not limited thereto.

Further, the number of the elastic restoring pieces 6 is at least two.

Preferably, the number of the elastic restoring pieces 6 is at least two, and the number of the dome sheets shown in fig. 2 is two, so that the stress of the button 1 and the middle frame 2 can be more uniform. The number of elastic restoring members 6 is not limited thereto.

Further, the bottom of the button 1 is provided with a plurality of guiding parts 16, the guiding parts 16 are provided with through holes 17, the middle frame 2 is provided with a plurality of guiding part accommodating grooves 27, the rotating shaft 21 is arranged on one side of the guiding part accommodating grooves 27, and the rotating shaft 21 is matched with the through holes 17.

Specifically, the number of the guide portions 16 and the guide portion accommodating grooves 27 is 4 as shown in fig. 3 to 4, but not limited thereto, the rotation shaft 21 is 3, one of which is disposed between the two guide portion accommodating grooves 27 in the middle, and the other two of which are disposed on the two guide portion accommodating grooves 27 sides at both ends, respectively. Thus, the rotation of the push button 1 with respect to the center 2 is stabilized by the engagement of the guide portion 16 and the guide portion accommodating groove 27 in cooperation with the rotation shaft 21.

According to the pressure balancing structure of the power switch button 1, the button 1 is rotatably assembled on the middle frame 2 through the rotating shaft 21, the force balancing piece 4 is arranged on one side of the bottom of the button 1, the force balancing piece 4 is rotatably connected between the button 1, the middle frame 2 and the bottom shell 3, the switch contact 11 of the button 1 is correspondingly arranged with the switch key 51 of the switch mechanism 5 through the opening 23 on the middle frame 2, a plurality of elastic reset pieces 6 are arranged between the button 1 and the middle frame 2, the opening 23 and the elastic reset pieces 6 are respectively arranged between the rotating shaft 21 and the force balancing piece 4, through the structure, the switch state can be smoothly changed when the button 1 is pressed at the corners by small force, the user experience is improved, and the service life of the switch is prolonged. The device has the advantages of simple structure, low manufacturing cost, convenient operation and good use effect.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The pressure equalization and resetting structure of the switch button is characterized by comprising a button, a middle frame and a bottom shell; the button is rotationally assembled on the middle frame through a rotating shaft, and the middle frame is assembled on the bottom shell; one side of the bottom of the button is provided with a force equalizing piece, the force equalizing piece comprises force equalizing rods hinged to the bottom of the button and arranged parallel to the rotating shaft, two ends of each force equalizing rod are respectively provided with a rotating rod, and the other end of each rotating rod is provided with a limiting rod; a limiting through groove is formed in the middle frame at the position corresponding to the rotating rod, and the limiting rod penetrates through the limiting through groove and is limited between the middle frame and the bottom shell; a switch mechanism is arranged between the middle frame and the bottom shell, and a switch key is arranged on the switch mechanism; the switch contact at the bottom of the button is arranged corresponding to the switch key through an opening on the middle frame; a plurality of elastic resetting pieces are arranged between the button and the middle frame, and the opening and the elastic resetting pieces are arranged between the rotating shaft and the force equalizing piece.

2. The pressure equalization and reset structure of a switch button of claim 1, wherein the bottom of the button is provided with a equalizing rod limiting assembly, the equalizing rod limiting assembly comprises a first limiting member and a second limiting member, arc-shaped grooves are formed in the first limiting member and the second limiting member in the horizontal direction, and the opening directions of the two arc-shaped grooves are opposite.

3. The pressure equalization and reset structure of a switch button of claim 1, wherein said center frame has guide grooves corresponding to said equalization bars.

4. The pressure equalization and reset structure of a switch button of claim 1, wherein said bottom shell is provided with a receiving space for receiving a stop lever.

5. The switch button pressure equalization and reset structure of claim 1, wherein said force equalization member is made of resilient metal rod bent.

6. The pressure equalization and reset structure of a switch button of claim 1, wherein said button bottom is provided with a reset member retaining groove.

7. The pressure equalization and reset structure of a switch button of claim 6, wherein a reset piece accommodating groove is arranged at a position of the middle frame corresponding to the reset piece fixing groove, and a reset contact is arranged in the reset piece accommodating groove.

8. The switch button pressure equalization and reset structure of claim 1 wherein said resilient reset member is a dome sheet.

9. The switch button pressure equalization and reset structure of claim 1 wherein said number of elastic reset members is at least two.

10. The pressure equalization and reset structure of a switch button of claim 1, wherein a plurality of guide parts are arranged at the bottom of the button, through holes are formed in the guide parts, a plurality of guide part accommodating grooves are formed in the middle frame, the rotating shaft is arranged at one side of the guide part accommodating grooves, and the rotating shaft is matched with the through holes.