Switching mechanism and wall opening device

By using a variable diameter elastic member instead of the marble in the rocker switch, the problems of reduced performance and heavy feel caused by marble wear are solved, and the user experience and virtual position problems are improved.

CN222546194UActive Publication Date: 2025-02-28NINGBO GONEO ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202420334085.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-22
Publication Date
2025-02-28
Estimated Expiration
2034-02-22

AI Technical Summary

Technical Problem

The marbles of existing rocker switches are prone to wear, resulting in reduced switching performance, and the swinging plate feels heavier, poor user experience, and prone to false position problems.

Method used

Replace the traditional pellet with a variable diameter elastic member. By plugging one end of the variable diameter elastic member to the plug-in of the rocker connection and making it affixed to the rocker, the need to assemble the pellet is avoided and the hand feel and position problems are improved.

Benefits of technology

It effectively avoids the problem of reducing switching performance caused by wear of the pellet, improves the feel of the user pressing the button component, makes it smoother, and reduces the problem of imaginary position.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of switches, in particular to a switch mechanism and a wall switch device. The wall opening device comprises a switch mechanism, the switch mechanism comprises a seesaw, an elastic piece and a button assembly, and the seesaw is connected with a movable contact and a plug connector; one end of the elastic piece is connected with the plug connector in an inserted mode and abuts against the seesaw. The button assembly is matched with the other end of the elastic piece; when the button assembly is pressed, the seesaw can be driven to swing through the elastic piece, the movable contact is driven to move through the seesaw, and the elastic piece is a variable-diameter elastic piece. According to the switching mechanism, one end of the variable-diameter elastic piece is inserted into the insertion piece connected with the teeterboard, and the end of the variable-diameter elastic piece abuts against the teeterboard, so that a marble does not need to be assembled, and the problem that the performance of the switching mechanism is reduced due to abrasion of the marble is effectively avoided; moreover, the variable-diameter elastic piece enables the hand feeling of pressing the button assembly to be smoother, the problem that the hand feeling is heavy when a user uses the button assembly is solved, and the problem of vacancy can also be solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to a switch mechanism and a wall switch device. Background Art

[0002] A rocker switch is a commonly used electrical accessory; a rocker switch usually includes a terminal, a static contact, a moving contact, a rocker, a transition piece and a button, the static contact is connected to the terminal, the moving contact is arranged on the rocker, and the rocker is configured to swing around a set axis to drive the moving contact to contact or separate from the static contact; the button is connected to the transition piece, and the transition piece cooperates with the rocker transmission through a spring and a pin, or the transition piece cooperates with the rocker transmission through a swinging piece; when the user applies an external force to the button to swing the connected transition piece, the transition piece drives the rocker to swing through the spring and the pin, or the transition piece drives the rocker to swing through the swinging piece, so that the moving contact can contact with the static contact to conduct the circuit, or separate from the static contact to cut off the circuit.

[0003] However, the pins of the switches provided by the related art are prone to reduce switch performance due to wear, and the swing piece feels heavy, resulting in poor user experience and prone to voids. Utility Model Content

[0004] The utility model aims to provide a switch mechanism and a wall opening device, wherein one end of a variable-diameter elastic member is plugged into a plug-in member connected to a seesaw, and one end of the variable-diameter elastic member is abutted against the seesaw, so that there is no need to assemble a ball, thereby effectively avoiding the problem of reduced performance of the switch mechanism caused by wear of the ball; moreover, the variable-diameter elastic member can make the feel of pressing the button assembly smoother, improve the problem of heavy feel when used by the user, and can also improve the problem of virtual position.

[0005] The embodiment of the utility model is achieved as follows:

[0006] In a first aspect, the utility model provides a switch mechanism, comprising:

[0007] A seesaw, wherein the seesaw is connected with a moving contact and a connector;

[0008] an elastic member, one end of which is plugged into the plug-in member and abuts against the seesaw; and

[0009] The button assembly cooperates with the other end of the elastic member; when the button assembly is pressurized, the elastic member can drive the seesaw to swing, and the seesaw can drive the moving contact to move, wherein the elastic member is a variable diameter elastic member.

[0010] In an optional embodiment, the elastic member includes a first elastic segment, a second elastic segment and a third elastic segment connected in sequence along its axial direction, wherein the diameter of the second elastic segment is larger than the diameter of at least one of the first elastic segment and the third elastic segment, or the diameter of the second elastic segment is smaller than the diameter of at least one of the first elastic segment and the third elastic segment.

[0011] In an optional embodiment, the diameter of the second elastic segment is larger than the diameter of any one of the first elastic segment and the third elastic segment; and / or, the diameter of the second elastic segment is 1.2-1.4 times the diameter of at least one of the first elastic segment and the third elastic segment.

[0012] In an optional embodiment, the diameter of the second elastic segment is smaller than the diameter of any one of the first elastic segment and the third elastic segment; and / or, the diameter of the second elastic segment is 0.65-0.85 times the diameter of at least one of the first elastic segment and the third elastic segment.

[0013] In an optional embodiment, the diameter of the first elastic section is equal to the diameter of the third elastic section; and / or,

[0014] The length of the second elastic section is 0.13-0.35 times the length of the elastic member; and / or,

[0015] The length of the first elastic section is equal to the length of the third elastic section.

[0016] In an optional embodiment, the connector is integrally formed with the rocker.

[0017] In an optional embodiment, a guiding slope is provided at one end of the plug-in component away from the seesaw, and the guiding slope is used to guide the elastic component to be plugged and matched with the plug-in component.

[0018] In an optional embodiment, the seesaw is also connected to a toggle boss, and the moving contact is used to contact or separate from the static contact; when the button assembly is pressed, the button assembly can also abut against the toggle boss to toggle the seesaw, and drive the moving contact to separate from the static contact through the seesaw.

[0019] In an optional embodiment, the button assembly includes a button and a transition piece, the button is connected to the transition piece, the transition piece is sleeved on an end of the elastic member away from the seesaw, and the transition piece can abut against or separate from the toggle boss.

[0020] In a second aspect, the utility model provides a wall opening device, comprising a switch mechanism according to any one of the aforementioned embodiments.

[0021] The beneficial effects of the switch mechanism of the embodiment of the utility model include: the switch mechanism provided by the embodiment of the utility model inserts one end of the variable diameter elastic member into the plug-in member connected to the seesaw, and makes one end of the variable diameter elastic member abut against the seesaw, so there is no need to assemble the pin, effectively avoiding the problem of reduced performance of the switch mechanism caused by wear of the pin; moreover, when the button assembly is under pressure and the seesaw is driven to swing by the variable diameter elastic member, the deformation position of the variable diameter elastic member is relatively stable, that is, the variable diameter elastic member usually deforms mainly at the position of the variable diameter, which can make the feel of pressing the button assembly smoother, improve the problem of heavy feel when the user uses it, and also improve the problem of virtual position.

[0022] The wall opening device of the embodiment of the utility model includes all the beneficial effects of the aforementioned switch mechanism, for example: avoiding the problem of reduced performance of the switch mechanism due to wear of the ball, ensuring that the feel of pressing the button assembly is smoother, improving the problem of heavy feel when used by the user, and improving the problem of empty position, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a schematic diagram of the structure of the wall opening device in the embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the exploded structure of the wall opening device in the embodiment of the utility model;

[0026] Figure 3 It is a partial structural exploded schematic diagram of the wall opening device in the embodiment of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the elastic member in the embodiment of the utility model;

[0028] Figure 5 It is a schematic diagram of the structure of the elastic member in other embodiments of the utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the seesaw in the embodiment of the utility model;

[0030] Figure 7 It is a cross-sectional view of a wall opening device in an embodiment of the utility model;

[0031] Figure 8 for Figure 7 Enlarged view of point VIII in the middle.

[0032] Icons: 010-wall opening device; 100-fixing frame; 110-incoming terminal; 111-support member; 120-outgoing terminal; 121-static contact; 130-pressure plate; 200-switch mechanism; 300-seesaw; 301-plug-in member; 302-guide ramp; 303-moving contact; 304-sliding boss; 305-abutment surface; 310-first plate; 320-second plate; 330-third plate; 340-fourth plate; 350-fifth plate; 400-elastic member; 410-first elastic section; 420-second elastic section; 430-third elastic section; 500-button assembly; 510-button; 520-transition member. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0036] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] Please refer to Figure 1 , Figure 2 and Figure 3 This embodiment provides a wall switch device 010, which can be a wall switch or a wall socket with a switch, etc., which is not specifically limited here.

[0039] The wall switch device 010 includes a fixing frame 100, an incoming terminal 110, an outgoing terminal 120, a pressing plate 130 and a switch mechanism 200; the incoming terminal 110 and the outgoing terminal 120 are assembled on the fixing frame 100, and the outgoing terminal 120 is provided with a static contact 121; the pressing plate 130 is connected to the fixing frame 100; the switch mechanism 200 includes a rocker 300, an elastic member 400 and a button assembly 500, the button assembly 500 is swingably connected to the pressing plate 130, and the rocker 300 is supported by a supporting member 111 connected to the incoming terminal 110, The seesaw 300 can swing relative to the support member 111, the seesaw 300 is connected with a moving contact 303 and a connector 301, one end of the elastic member 400 is plugged into the connector 301 and abuts against the seesaw 300, and the button assembly 500 cooperates with the other end of the elastic member 400; when the button assembly 500 is pressurized, the seesaw 300 can be driven to swing through the elastic member 400, and the moving contact 303 can be driven to move through the seesaw 300, so that the moving contact 303 is in contact with or separated from the static contact 121, wherein the elastic member 400 is a variable diameter elastic member.

[0040] The switch mechanism 200 inserts one end of the variable diameter elastic member into the plug-in member 301 connected to the seesaw 300, and makes one end of the variable diameter elastic member abut against the seesaw 300, so there is no need to assemble the pin, which effectively avoids the problem of performance degradation of the switch mechanism 200 caused by the wear of the pin; moreover, when the button assembly 500 is under pressure and the seesaw 300 is driven to swing by the variable diameter elastic member, the deformation position of the variable diameter elastic member is relatively stable, that is, the variable diameter elastic member usually deforms mainly at the position of the variable diameter, which can make the feel of pressing the button assembly 500 smoother, improve the problem of heavy feel when the user uses it, and also improve the problem of virtual position.

[0041] It should be noted that, since the switch mechanism 200 of this embodiment directly causes one end of the elastic member 400 to abut against the seesaw 300 , the provision of the pin is eliminated, the use of parts is reduced, and the production cost of the switch mechanism 200 can be reduced.

[0042] It should also be noted that the structures and assembly methods of the fixing frame 100 , the incoming terminal 110 , the outgoing terminal 120 and the pressing plate 130 are similar to those in the related art and will not be described in detail here.

[0043] Please refer to Figure 4 The elastic member 400 of this embodiment includes a first elastic section 410, a second elastic section 420 and a third elastic section 430 connected in sequence along its axial direction, and the third elastic section 430 is plugged with the plug-in member 301; the diameter D1 of the second elastic section 420 is larger than the diameter D2 of the first elastic section 410 and also larger than the diameter of the third elastic section 430. In this way, the diameter of the middle section of the elastic member 400 is larger, and when the elastic member 400 is pressed by the button assembly 500, the deformation position of the elastic member 400 is relatively constant, usually at the position of the middle section, which can effectively improve the problem of the virtual position of the button assembly 500 and the problem of the heavy hand feeling when the user presses the button assembly 500.

[0044] It should be understood that in other embodiments, the diameter of the second elastic section 420 may be greater than the diameter of one of the first elastic section 410 and the third elastic section 430 .

[0045] Optionally, the diameter D1 of the second elastic section 420 is 1.2-1.4 times the diameter D2 of the first elastic section 410, and is also 1.2-1.4 times the diameter of the third elastic section 430, for example: 1.2 times, 1.3 times, 1.4 times, etc., which are not specifically limited here. Such a configuration can ensure that the deformation position of the elastic member 400 is more constant, improve the virtual position problem, and ensure a lighter pressing feel of the button assembly 500, so that the pressing and dialing of the button assembly 500 are smoother.

[0046] It should be understood that in other embodiments, the diameter of the second elastic section 420 is 1.2-1.4 times the diameter of one of the first elastic section 410 and the third elastic section 430 .

[0047] Furthermore, the diameter of the first elastic section 410 is equal to the diameter of the third elastic section 430. This arrangement can ensure that the deformation position of the elastic member 400 is more constant.

[0048] Of course, in other embodiments, the diameter of the first elastic section 410 is not equal to the diameter of the third elastic section 430 .

[0049] Exemplarily, the diameter of the second elastic section 420 is 4-5 mm, for example, 4 mm, 4.17 mm, 4.3 mm, 4.5 mm, 4.7 mm, 5 mm, etc., which is not specifically limited here.

[0050] Of course, in other embodiments, please refer to Figure 5 , the diameter D1 of the second elastic section 420 is smaller than the diameter D2 of the first elastic section 410, and smaller than the diameter of the third elastic section 430. In this way, the diameter of the middle section of the elastic member 400 is smaller, which ensures a smooth hand feeling when pressing the button assembly 500, that is, makes the button assembly 500 feel lighter when pressed, and also ensures that the deformation position of the elastic member 400 is relatively constant, which can improve the problem of virtual position.

[0051] Alternatively, in other embodiments, the diameter of the second elastic section 420 is smaller than the diameter of one of the first elastic section 410 and the third elastic section 430 .

[0052] Optionally, the diameter D1 of the second elastic section 420 is 0.65-0.85 times the diameter D2 of the first elastic section 410, and is also 0.65-0.85 times the diameter of the third elastic section 430, for example: 0.65 times, 0.70 times, 0.75 times, 0.80 times, 0.85 times, etc., which are not specifically limited here. Such a setting can ensure that the deformation position of the elastic member 400 is more constant, improve the virtual position problem, and ensure a lighter pressing feel of the button assembly 500, so that the pressing and dialing of the button assembly 500 are smoother.

[0053] Further, the diameter of the first elastic section 410 is equal to the diameter of the third elastic section 430. This arrangement can ensure that the deformation position of the elastic member 400 is more constant. Of course, in other embodiments, the diameter of the first elastic section 410 is not equal to the diameter of the third elastic section 430.

[0054] Exemplarily, the diameter of the second elastic section 420 is 1.95-3 mm, for example, 1.95 mm, 2.37 mm, 2.55 mm, 2.7 mm, 2.975 mm, 3 mm, etc., which is not specifically limited here.

[0055] Optionally, see Figure 4The length L2 of the second elastic section 420 is 0.13-0.35 times the length L1 of the elastic member 400, for example: 0.13 times, 0.15 times, 0.20 times, 0.25 times, 0.30 times, 0.35 times, etc., which are not specifically limited here. Such a configuration can make the length of the middle section relatively short, which ensures that the position of the elastic member 400 deformation is relatively constant on the one hand, and the reliability of the elastic member 400 deformation under pressure on the other hand, thereby ensuring a smooth pressing feel and improving the problem of a heavy feel when pressing the button assembly 500.

[0056] Furthermore, the length of the first elastic section 410 is equal to the length of the third elastic section 430. This arrangement ensures that the diameter-changing section is located in the middle of the elastic member 400, which not only ensures the constant deformation position of the elastic member 400, but also ensures a smooth hand feel.

[0057] Exemplarily, the length of the second elastic section 420 is 2.5-3.5 mm, for example, 2.5 mm, 3 mm, 3.5 mm, etc., which is not specifically limited here.

[0058] It should be noted that the elastic member 400 of the present embodiment is a spring; of course, in other embodiments, the elastic member 400 may also be an elastic rubber sleeve, etc., which is not specifically limited here.

[0059] The connection method between the plug connector 301 and the rocker 300 can be selected as needed; please refer to Figure 6 In this embodiment, the connector 301 is integrally formed with the seesaw 300. Specifically, the connector 301 can be a copper sheet cut from the seesaw 300 and bent. This arrangement is convenient for improving production efficiency.

[0060] Of course, in other embodiments, the connection method between the connector 301 and the rocker 300 may also be welding, threaded connection, etc., which is not specifically limited here.

[0061] Furthermore, a guide slope 302 is provided at one end of the connector 301 away from the seesaw 300, and the guide slope 302 is used to guide the elastic member 400 to be plugged into the connector 301. The provision of the guide slope 302 can improve the efficiency of assembling the elastic member 400 to the connector 301.

[0062] Optionally, guide slopes 302 are provided on opposite sides of the plug connector 301 to ensure easy operation of plugging the elastic member 400 into the plug connector 301 .

[0063] Of course, in other embodiments, only one guiding inclined surface 302 may be provided on the connector 301, which is not specifically limited here.

[0064] Optionally, the elastic member 400 and the plug connector 301 form an interference fit after being plugged in. Such a configuration can improve the stability of the elastic member 400 being plugged in the plug connector 301 .

[0065] It should be understood that in other embodiments, after the elastic member 400 is plugged into the plug-in member 301 , it can also be connected to the seesaw 300 by welding, bonding or other methods to improve the installation stability of the elastic member 400 .

[0066] When the moving contact 303 and the stationary contact 121 are in contact, the adhesive force between the contacts is likely to be too large due to excessive current, and it is difficult to separate the moving contact 303 and the stationary contact 121 only by using the deformation of the elastic member 400; please refer to Figure 6 , Figure 7 and Figure 8 In order to improve the above problem, the seesaw 300 of this embodiment is further connected with a toggle boss 304. When the button assembly 500 is pressed, the button assembly 500 can also abut against the toggle boss 304 to toggle the seesaw 300, and drive the moving contact 303 to separate from the static contact 121 through the seesaw 300. In this way, strong switching can be achieved to avoid the switch mechanism 200 from failing.

[0067] For further information, please refer to Figure 7 The button assembly 500 includes a button 510 and a transition piece 520, the button 510 and the transition piece 520 are connected, and the transition piece 520 is swingably connected to the pressure plate 130; the transition piece 520 is sleeved on one end of the elastic member 400 away from the seesaw 300, and the transition piece 520 can abut or separate from the toggle boss 304.

[0068] Optionally, see Figure 6 and Figure 8 A contact surface 305 is provided at one end of the toggle boss 304 away from the seesaw 300. When the transition piece 520 abuts against the toggle boss 304, the transition piece 520 contacts the abutment surface 305, so that the transition piece 520 and the toggle boss 304 form surface contact to increase the contact area between the two, thereby ensuring that the transition piece 520 can reliably toggle the toggle boss 304 and drive the seesaw 300 to swing until the moving contact 303 and the static contact 121 are separated.

[0069] Please refer to Figure 6 and Figure 8The structure of the seesaw 300 is similar to that of the related art, and includes a first plate 310, a second plate 320, a third plate 330, a fourth plate 340, and a fifth plate 350 connected in sequence at an angle, wherein the opening at the angle between the first plate 310 and the second plate 320 and the opening at the angle between the second plate 320 and the third plate 330 are respectively oriented toward the opposite sides of the second plate 320, and the opening at the angle between the third plate 330 and the fourth plate 340 and the angle between the fourth plate 340 and the fifth plate 350 are respectively oriented toward the opposite sides of the second plate 320. The openings are respectively facing the opposite sides of the fourth plate 340; the first plate 310 and the fifth plate 350 are both connected to the moving contact 303, the third plate 330 is connected to the plug-in connector 301, and the first plate 310 and the fifth plate 350 are both connected to the side away from the corresponding moving contact 303 with the toggle boss 304, and the abutment surfaces 305 provided on the two toggle bosses 304 are relatively distributed; the support member 111 connected to the incoming terminal 110 can swingably support the third plate 330.

[0070] It should be noted that the number of the outlet terminal 120 and the static contacts 121 provided thereon may be the same as the number of the movable contacts 303, so that the multiple static contacts 121 and the multiple movable contacts 303 can be in contact or separated in a one-to-one correspondence.

[0071] It should also be noted that the switch mechanism 200 of this embodiment can also be used in other electrical equipment that needs to control the on and off of a circuit, which is not specifically limited here.

[0072] In summary, the switch mechanism 200 of the utility model can be used for a wall switch device 010 or other electrical equipment; the switch mechanism 200 inserts one end of the variable diameter elastic member into the plug-in member 301 connected to the seesaw 300, and makes one end of the variable diameter elastic member abut against the seesaw 300, so there is no need to assemble the pin, and the performance degradation of the switch mechanism 200 caused by the wear of the pin can be effectively avoided; moreover, the variable diameter elastic member can make the feel of the push button assembly 500 smoother, improve the problem of heavy feel when the user uses it, and can also improve the problem of virtual position.

[0073] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A switch mechanism, characterized in that: include: A seesaw (300), wherein the seesaw (300) is connected with a moving contact (303) and a plug-in connector (301); an elastic member (400), one end of the elastic member (400) being plugged into the plug-in member (301) and abutting against the seesaw (300); and A button assembly (500), wherein the button assembly (500) cooperates with the other end of the elastic member (400); when the button assembly (500) is pressurized, the seesaw (300) can be driven to swing through the elastic member (400), and the movable contact (303) can be driven to move through the seesaw (300), wherein the elastic member (400) is a variable diameter elastic member.

2. The switch mechanism according to claim 1, characterized in that: The elastic member (400) comprises a first elastic section (410), a second elastic section (420) and a third elastic section (430) which are sequentially connected along its axial direction, wherein the diameter of the second elastic section (420) is larger than the diameter of at least one of the first elastic section (410) and the third elastic section (430), or the diameter of the second elastic section (420) is smaller than the diameter of at least one of the first elastic section (410) and the third elastic section (430).

3. The switch mechanism according to claim 2, characterized in that: The diameter of the second elastic section (420) is greater than the diameter of any one of the first elastic section (410) and the third elastic section (430); and / or the diameter of the second elastic section (420) is 1.2-1.4 times the diameter of at least one of the first elastic section (410) and the third elastic section (430).

4. The switch mechanism according to claim 2, characterized in that: The diameter of the second elastic section (420) is smaller than the diameter of any one of the first elastic section (410) and the third elastic section (430); and / or the diameter of the second elastic section (420) is 0.65-0.85 times the diameter of at least one of the first elastic section (410) and the third elastic section (430).

5. The switch mechanism according to any one of claims 2 to 4, characterized in that: The diameter of the first elastic section (410) is equal to the diameter of the third elastic section (430); and / or, The length of the second elastic section (420) is 0.13-0.35 times the length of the elastic member (400); and / or, The length of the first elastic section (410) is equal to the length of the third elastic section (430).

6. The switch mechanism according to claim 1, characterized in that: The plug connector (301) and the seesaw (300) are integrally formed.

7. The switch mechanism according to claim 6, characterized in that: A guiding inclined surface (302) is provided at one end of the plug-in component (301) away from the seesaw (300), and the guiding inclined surface (302) is used to guide the elastic component (400) to be plugged and matched with the plug-in component (301).

8. The switch mechanism according to claim 1, characterized in that: The seesaw (300) is also connected to a toggle boss (304), and the movable contact (303) is used to contact or separate from the static contact (121); when the button assembly (500) is pressed, the button assembly (500) can also abut against the toggle boss (304) to toggle the seesaw (300), and drive the movable contact (303) to separate from the static contact (121) through the seesaw (300).

9. The switch mechanism according to claim 8, characterized in that: The button assembly (500) comprises a button (510) and a transition piece (520), wherein the button (510) is connected to the transition piece (520), the transition piece (520) is sleeved on an end of the elastic piece (400) away from the seesaw (300), and the transition piece (520) can abut against or separate from the toggle boss (304).

10. A wall opening device, characterized in that: The invention comprises the switch mechanism according to any one of claims 1 to 9.