Push button switch and doorbell switch

Abstract

The present invention discloses a push-button switch and a doorbell switch, comprising: a switch seat, a push-button, a switch trigger module being arranged on the switch seat, the push-button being used to trigger the switch trigger module, the push-button comprising pressing parts respectively located at two ends of the push-button and a spring-pressing part capable of elastic deformation, the middle part of the push-button being connected to the switch seat by rotation, the spring-pressing part being able to cooperate with the switch seat to form an elastic reset structure, and the elastic reset structure of the pressing part being formed by utilizing the structure of the push-button itself in cooperation with the switch seat, thereby eliminating the need for configuring an elastic component, simplifying the structure and assembly process of the product, and making production more convenient.

Description

Technical Field

[0001] The invention relates to the field of electrical equipment, and in particular to a push-button switch and a doorbell switch. Background Art

[0002] Currently, most commonly used doorbell switches adopt a seesaw structure, which requires elastic components such as compression springs and torsion springs to reset. The doorbell switch also needs to be equipped with a mounting structure corresponding to the elastic component. As a result, the doorbell switch structure is relatively complex and the production and assembly are relatively inconvenient. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a push-button switch with a simple structure and convenient production.

[0004] The invention also provides a doorbell switch with a simple and reasonable structure.

[0005] According to the first aspect of the present invention, a push-button switch includes a switch seat and a push-button. A switch trigger module is arranged on the switch seat. The push-button is used to trigger the switch trigger module. The push-button includes pressing parts respectively located at two ends of the push-button and a spring-pressing part capable of elastic deformation. The middle part of the push-button is connected to the switch seat by rotation. The spring-pressing part can cooperate with the switch seat to form an elastic reset structure.

[0006] The push-button switch according to the embodiment of the present invention has at least the following beneficial effects: by utilizing the structure of the button itself in conjunction with the switch seat to form an elastic reset structure of the pressing portion, the configuration of the elastic component can be avoided, the structure and assembly process of the product can be simplified, and production is more convenient.

[0007] In some embodiments of the present invention, the button is integrally formed by injection molding, and the spring-pressing portion is a plate-shaped extension structure. The spring-pressing portion utilizes the elastic properties of the plastic itself to achieve elastic deformation. When it is pressed against the inside of the switch seat or plugged into the switch seat, the pressing portion can have the function of elastic reset.

[0008] In some embodiments of the present invention, the switch seat includes a base and a panel, the switch trigger module is arranged on the base, the button is arranged on the panel, and the panel is installed in the base, so that the button and the switch trigger module can be matched, the structure is reasonable, and the production process is simplified.

[0009] In some embodiments of the present invention, a sealing gasket is disposed at the bottom of the base, which can improve the sealing performance of the push-button switch during installation and use, and facilitate its outdoor use, such as use as a doorbell switch.

[0010] In some embodiments of the present invention, a button mounting portion is provided on the panel, a notch is provided on the button mounting portion for exposing the pressing portion, the middle portion of the button is rotatably connected to the panel via a rotating mechanism, the spring-pressing portion is provided in the button mounting portion and is pressed against the inner wall of the button mounting portion, and when the pressing portion is pressed, the spring-pressing portion is pressed and deformed by the inner wall of the button mounting portion to generate a reset elastic force, thereby satisfying the reset of the pressing portion.

[0011] In some embodiments of the present invention, the button mounting portion protrudes from the panel setting, the spring-pressing portion presses against the upper wall of the button mounting portion, and the middle portion of the button is rotatably connected to the side wall of the button mounting portion through a rotating mechanism, thereby realizing the press-reset function of the button and allowing the button to protrude from the panel setting for easy operation.

[0012] In some embodiments of the present invention, the rotating mechanism includes a rotating shaft arranged on the side wall of the middle part of the key and an axial hole arranged on the side wall of the key mounting portion and corresponding to the rotating shaft. During assembly, the rotating shaft is inserted into the axial hole so that the key can be pressed and rotated.

[0013] In some embodiments of the present invention, an extension portion is provided on the upper wall of the button mounting portion extending downward, and the shaft hole is provided on the extension portion to meet the installation requirements.

[0014] In some embodiments of the present invention, an oblique introduction surface is provided on the rotating shaft, and the rotating shaft can be guided into the shaft hole through the oblique introduction surface to facilitate the installation of the rotating shaft and the shaft hole.

[0015] In some embodiments of the present invention, the inclined guide surface is arranged at the upper part of the rotating shaft, so that the rotating shaft can be inserted into the shaft hole from bottom to top. Since the lower part of the rotating shaft and the shaft hole are pressed against each other during the key pressing process, by setting the inclined guide surface at the upper part of the rotating shaft, it is not only convenient for installation, but also will not affect the force between the rotating shaft and the shaft hole, thereby ensuring that the key can be used normally.

[0016] In some embodiments of the present invention, the spring-pressing portion can pass through the notch and be installed in the key installation portion, so that the key can be installed from the outside of the panel, which is convenient for assembly.

[0017] In some embodiments of the present invention, the spring-pressing portion is a plate-shaped extension structure, and is tilted in the opposite direction relative to the pressing direction of the spring-pressing portion, so that when it is pressed against the upper wall of the button mounting portion, it can generate a greater elastic force to ensure the normal resetting performance of the button.

[0018] In some embodiments of the present invention, the switch trigger module includes a fixed contact assembly and an elastic contact assembly, and a pushing portion is provided on the button, which can press the elastic contact assembly to move close to the fixed contact assembly. When the button is pressed, the pushing portion can push the elastic contact assembly to move close to the fixed contact assembly and make contact and connect. When the button is reset, the elastic contact assembly resets away from the fixed contact assembly and disconnects, thereby realizing the function of the switch. The structural principle is simple and reliable, and the elastic contact assembly can provide a certain elastic force for key resetting, thereby improving the success rate of key resetting.

[0019] In some embodiments of the present invention, the switch trigger module also includes an accessory box, the elastic contact assembly includes a metal sheet with a side-lying "U"-shaped structure, the lower end of the metal sheet is fixedly mounted on the accessory box, the upper end of the metal sheet is provided with a contact corresponding to the fixed contact assembly, the pushing portion corresponds to the upper end of the metal sheet, and the elastic force is generated by the side-lying "U"-shaped metal sheet, so that the elastic contact assembly can be normally reset away from the fixed contact assembly. The elastic force is generated by utilizing the metal sheet's own structure, the structure is simple, no additional elastic parts are required, and assembly is more convenient.

[0020] In some embodiments of the present invention, a mounting groove corresponding to the switch trigger module is provided on the base, and the switch trigger module is arranged in the mounting groove.

[0021] In some embodiments of the present invention, the switch trigger module can be installed on the base through a snap mechanism, such as providing a snap mechanism between the accessory box and the mounting slot to achieve quick installation of the switch trigger module.

[0022] In some embodiments of the present invention, the installation slot opens downward, and the switch trigger module can be installed into the installation slot from bottom to top. A connecting hole corresponding to the pushing portion is opened at the top of the installation slot, so that the pushing portion can pass through the connecting hole to trigger the switch trigger module.

[0023] In some embodiments of the present invention, the elastic contact assembly also includes a reinforcing sheet fixedly mounted on the accessory box, the reinforcing sheet including a supporting portion capable of pressing against the inner side of the side of the metal sheet to prevent the side of the metal sheet from excessive deformation and failure. During implementation, the supporting portion can support the side of the metal sheet, thereby enhancing the elastic function of the metal sheet and extending its service life.

[0024] In some embodiments of the present invention, the reinforcing sheet is a "∟"-shaped structure, the bottom of which is fixedly mounted on the accessory box, and the supporting portion is the side of the reinforcing sheet. The side of the metal sheet is supported by the reinforcing sheet of the "∟"-shaped structure.

[0025] For example, in some embodiments of the present invention, the metal sheet and the reinforcing sheet are fixed to a bottom plate by screws and are fixed to the accessory box together, which facilitates assembly and reduces the number of components.

[0026] The doorbell switch according to the second aspect of the present invention comprises: the push-button switch according to any one of the first aspect of the present invention.

[0027] The doorbell switch according to the embodiment of the present invention has at least the following beneficial effects: the configuration of the elastic component in the doorbell switch can be eliminated, the structure and assembly process of the product are simplified, and the hand feeling when pressed is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0029] Figure 1 A schematic diagram of the structure of a push-button switch according to an embodiment of the present invention;

[0030] Figure 2 is an exploded schematic diagram of a push-button switch according to an embodiment of the present invention;

[0031] Figure 3 is a cross-sectional schematic diagram of a push-button switch according to an embodiment of the present invention;

[0032] Figure 4 A schematic diagram of the structure of a key according to an embodiment of the present invention;

[0033] Figure 5 is a schematic diagram of the back structure of a panel according to an embodiment of the present invention;

[0034] Figure 6 A schematic diagram of the structure of a switch trigger module according to an embodiment of the present invention;

[0035] Figure 7 It is a structural schematic diagram of an elastic contact assembly according to an embodiment of the present invention;

[0036] Figure 8 This is a schematic diagram of an exploded view of a switch trigger module according to an embodiment of the present invention.

[0037] Reference numerals:

[0038] Switch seat 100, base 110, panel 120, sealing pad 111, key mounting portion 121, extension portion 121a, notch 122, shaft hole 123

[0039] Switch trigger module 200, fixed contact assembly 210, elastic contact assembly 220, accessory box 230, metal sheet 221, lower end 221a, upper end 221b, contact 221c, side 221d, reinforcement sheet 222, support part 222a, bottom 222b, bottom plate 223

[0040] Button 300, pressing portion 301, springing portion 302, rotating shaft 303, oblique introduction surface 304 DETAILED DESCRIPTION

[0041] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0042] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 should not be understood as a limitation on the present invention.

[0043] In the description of the present invention, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0044] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0045] like Figure 1 , Figure 2 As shown, the push-button switch according to the embodiment of the present invention comprises: a switch base 100, a button 300, a switch trigger module 200 is arranged on the switch base 100, the button 300 is used to trigger the switch trigger module 200, the button 300 comprises a pressing portion 301 and an elastically deformable spring portion 302 respectively located at both ends of the button 300, the middle part of the button 300 is connected to the switch base 100 by rotation, and the spring portion 302 can cooperate with the switch base 100 to form an elastic reset structure. By utilizing the structure of the button 300 itself to cooperate with the switch base 100 to form the elastic reset structure of the pressing portion 301, the configuration of the elastic component can be eliminated, the structure and assembly process of the product are simplified, and the production is more convenient.

[0046] In some embodiments of the present invention, the button 300 is integrally formed by injection molding, and the spring-pressing portion 302 is a plate-shaped extension structure. The spring-pressing portion 302 utilizes the elastic properties of the plastic itself to achieve elastic deformation. When it is pressed against the inside of the switch base 100 or plugged into the switch base 100, the pressing portion 301 can have the function of elastic reset.

[0047] It is conceivable that in some embodiments of the present invention, the springing portion 302 may be a metal plate, and the elastic bending performance of the metal is used to achieve elastic reset. The button 300 and the springing portion 302 may be made of metal as a whole; or the pressing portion 301 may be made of plastic, and the springing portion 302 of the metal plate is embedded in the pressing portion 301, both of which can enable the pressing portion 301 to have the function of elastic reset.

[0048] like Figure 2 As shown, in some embodiments of the present invention, the switch base 100 includes a base 110 and a panel 120, the switch trigger module 200 is arranged on the base 110, and the button 300 is arranged on the panel 120. The panel is installed in the base 110, so that the button 300 and the switch trigger module 200 can be matched, the structure is reasonable, and the production process is simplified.

[0049] In actual production, the button 300 can be pre-installed on the panel 120, and the switch trigger module 200 can be pre-installed on the base 110. Finally, the panel 120 and the base are assembled to complete the assembly, which is conducive to parallel assembly processes and improves assembly efficiency.

[0050] In some embodiments of the present invention, the base 110 and the panel 120 can be assembled by means of a snap-fit ​​structure, a screw mechanism, or the like.

[0051] In some embodiments of the present invention, the switch trigger module 200 may be fixedly mounted on the base 110 by snap-fitting or threading.

[0052] like Figure 2 As shown, in some embodiments of the present invention, a sealing gasket 111 is disposed at the bottom of the base 110, which can improve the sealing performance of the push-button switch during installation and use, facilitate its outdoor use, such as use as a doorbell switch, etc., to achieve a waterproof and dustproof effect.

[0053] In some embodiments of the present invention, the sealing pad 111 may be a silicone pad, a rubber pad, etc.

[0054] like Figure 2 As shown, in some embodiments of the present invention, a plurality of grooves are provided on the sealing gasket 111, and a convex rib structure cooperating with the grooves is provided at the bottom of the base 110 to further enhance the sealing effect.

[0055] like Figure 3 , Figure 4 , Figure 5As shown, in some embodiments of the present invention, a button mounting portion 121 is provided on the panel 120, and a notch 122 is opened on the button mounting portion 121 for exposing the pressing portion 301. The middle part of the button 300 is rotatably connected to the panel 120 through a rotating mechanism, and the spring-pressing portion 302 is arranged in the button mounting portion 121 and pressed against the inner wall of the button mounting portion 121. When the pressing portion 301 is pressed, the spring-pressing portion 302 is pressed and deformed by the inner wall of the button mounting portion 121 to generate a restoring elastic force, thereby satisfying the resetting of the pressing portion 301.

[0056] It is conceivable that the elastic pressing portion 302 may also be directly partially fixed (inserted, bonded, or screwed) to the inner wall of the button mounting portion 121 , which can also satisfy the function of generating elastic force.

[0057] like Figure 3 , Figure 5 As shown, in some embodiments of the present invention, the button mounting portion 121 is protruded from the panel 120, the spring-pressing portion 302 is pressed against the upper wall of the button mounting portion 121, and the middle portion of the button 300 is rotatably connected to the side wall of the button mounting portion 121 through a rotating mechanism, thereby realizing the press-reset function of the button 300, and the button 300 can be protruded from the panel 120 for easy operation.

[0058] like Figure 4 , Figure 5 As shown, in some embodiments of the present invention, the rotating mechanism includes a rotating shaft 303 arranged on the middle side wall of the button 300 and an axial hole 123 arranged on the side wall of the button mounting portion 121 and corresponding to the rotating shaft 303. During assembly, the rotating shaft 303 is inserted into the axial hole 123 so that the button 300 can be pressed and rotated.

[0059] It is conceivable that, in some embodiments of the present invention, the rotating shaft may be disposed on the side wall of the button mounting portion 121 , and the shaft hole may be disposed in the middle of the button 300 , which may also meet the rotation requirements of the button 300 .

[0060] like Figure 5 As shown, in some embodiments of the present invention, an extension portion 121 a is provided on the upper wall of the button mounting portion 121 and is extended downwardly, and the shaft hole 123 is provided on the extension portion 121 a to meet the installation requirements.

[0061] It is conceivable that, in some embodiments of the present invention, the shaft hole 123 may be directly opened on the side wall of the button mounting portion 121 , which will not be described in detail herein.

[0062] like Figure 4 As shown, in some embodiments of the present invention, an oblique introduction surface 304 is provided on the rotating shaft 303 , and the rotating shaft 303 can be guided into the shaft hole 123 through the oblique introduction surface 304 to facilitate the installation of the rotating shaft 303 and the shaft hole 123 .

[0063] like Figure 4 As shown, in some embodiments of the present invention, the inclined introduction surface 304 is arranged at the upper part of the rotating shaft 303, so that the rotating shaft 303 can be inserted into the shaft hole 123 from bottom to top. During the key pressing process, the lower part of the rotating shaft 303 and the shaft hole 123 are pressed by force. By arranging the inclined introduction surface 304 at the upper part of the rotating shaft 303, it is not only convenient for installation, but also will not affect the force between the rotating shaft 303 and the shaft hole 123, thereby ensuring that the key can be used normally.

[0064] In some embodiments of the present invention, the spring-pressing portion 302 can pass through the notch 122 and be installed in the key installation portion 121 , so that the key can be installed from the outside of the panel, which is convenient for assembly.

[0065] Of course, in the specific implementation process, the buttons can also be installed from the bottom of the panel from bottom to top, which will not be described in detail here.

[0066] like Figure 4 As shown, in some embodiments of the present invention, the spring-pressing portion 302 is a plate-like extension structure, and is tilted in the opposite direction relative to the pressing direction of the spring-pressing portion 302, so that when it is pressed against the upper wall of the button mounting portion 121, it can generate a greater elastic force to ensure the normal resetting performance of the button.

[0067] Of course, in the specific implementation process, the elastic pressure portion 302 can also be set to a curved structure, a straight structure, etc., which can also meet the function of generating elastic force, which will not be described in detail here.

[0068] like Figure 6 As shown, in some embodiments of the present invention, the switch trigger module 200 includes a fixed contact assembly 210 and an elastic contact assembly 220, and a pushing portion 305 is provided on the button 300, which can press the elastic contact assembly 220 to move close to the fixed contact assembly 210. When the button is pressed, the pushing portion 305 can push the elastic contact assembly 220 to move close to the fixed contact assembly 210 and make contact and connect. When the button is reset, the elastic contact assembly 220 is reset away from the fixed contact assembly 210 to disconnect, thereby realizing the function of the switch. The structural principle is simple and reliable, and the elastic contact assembly 220 can provide a certain elastic force for the button reset, thereby improving the success rate of the button reset.

[0069] It is conceivable that in some embodiments of the present invention, the elastic contact assembly 220 may not be configured, but a contact is provided on the pushing portion 305 or a contact driven by the pushing portion 305 is provided to cooperate with the fixed contact assembly 210, which can also realize the function of a switch.

[0070] like Figure 7 , Figure 8As shown, in some embodiments of the present invention, the switch trigger module 200 also includes an accessory box 230, the elastic contact assembly 220 includes a metal sheet 221 with a side-lying "U"-shaped structure, the lower end 221a of the metal sheet 221 is fixedly installed on the accessory box 230, the upper end 221b of the metal sheet 221 is provided with a contact 221c corresponding to the fixed contact assembly 210, and the pushing portion 305 corresponds to the upper end 221b of the metal sheet 221. The elastic force is generated by the metal sheet 221 with a side-lying "U"-shaped structure, so that the elastic contact assembly 220 can be normally reset away from the fixed contact assembly 210. The elastic force is generated by utilizing the structure of the metal sheet 221 itself, the structure is simple, and no additional elastic parts are required, so that assembly is more convenient.

[0071] It is conceivable that, in some embodiments of the present invention, the metal sheet 221 may also be configured as an “L”-shaped structure, a bow-shaped structure, etc., which can also achieve the function of generating elastic force.

[0072] like Figure 2 As shown, in some embodiments of the present invention, a mounting groove corresponding to the switch trigger module 200 is provided on the base 110, and the switch trigger module 200 is disposed in the mounting groove.

[0073] It is conceivable that in some embodiments of the present invention, the switch trigger module 200 can be installed on the base 110 by a snap mechanism, such as providing a snap mechanism between the accessory box 230 and the mounting slot to achieve quick installation of the switch trigger module 200 .

[0074] In addition, in the specific implementation process, the switch trigger module 200 can also be installed and fixed on the base 110 by means of screws, gluing, etc.

[0075] like Figure 2 As shown, in some embodiments of the present invention, the installation slot opens downward, and the switch trigger module 200 is installed into the installation slot from bottom to top. A connecting hole corresponding to the pushing portion 305 is provided at the top of the installation slot, so that the pushing portion 305 can pass through the connecting hole to trigger the switch trigger module 200.

[0076] like Figure 7 , Figure 8 As shown, in some embodiments of the present invention, the elastic contact assembly 220 also includes a reinforcing sheet 222 fixedly mounted on the accessory box 230, and the reinforcing sheet 222 includes a supporting portion 222a that can be pressed against the inner side of the side portion 221d of the metal sheet 221 to prevent the side portion 221d of the metal sheet 221 from being excessively deformed and failing. During implementation, the supporting portion 222a can support the side portion 221d of the metal sheet 221, thereby enhancing the elastic function of the metal sheet 221 and extending its service life.

[0077] It is conceivable that, in some embodiments of the present invention, the reinforcing sheet 222 may also be fixed to the outer side of the side portion 221 d of the metal sheet 221 , and can also support the side portion 221 d of the metal sheet 221 .

[0078] like Figure 7 , Figure 8 As shown, in some embodiments of the present invention, the reinforcing sheet 222 is a “∟”-shaped structure, and its bottom 222b is fixedly mounted on the accessory box 230, and the supporting portion 222a is the side portion of the reinforcing sheet 222, and the side portion 221d of the metal sheet 221 is supported by the reinforcing sheet 222 of the “∟”-shaped structure.

[0079] It is conceivable that, in some embodiments of the present invention, the reinforcing sheet 222 may also be a triangular structure, an arc-shaped structure, etc., which can also support the side portion 221d of the metal sheet 221.

[0080] like Figure 7 , Figure 8 As shown, in some embodiments of the present invention, the metal sheet 221 and the reinforcing sheet 222 are fixed to a bottom plate 223 by screws, and are fixed to the accessory box 230 together, which is convenient to assemble and has fewer components.

[0081] Reference Figure 1 The doorbell switch according to the second aspect of the present invention includes the push-button switch of any embodiment of the first aspect of the present invention, which can eliminate the configuration of the elastic component in the doorbell switch, simplify the structure and assembly process of the product, and has a good feel when pressed.

[0082] Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A push-button switch, It is characterized in that include: A switch base (100), wherein a switch trigger module (200) is disposed on the switch base (100); A button (300) for triggering the switch trigger module (200), the button (300) comprising a pressing portion (301) and an elastically deformable spring portion (302) respectively located at two ends of the button (300), the middle portion of the button (300) being rotatably connected to the switch seat (100), and the spring portion (302) being able to cooperate with the switch seat (100) to form an elastic reset structure; The switch base (100) comprises a base (110) and a panel (120); the switch trigger module (200) is arranged on the base (110); and the button (300) is arranged on the panel (120); The panel (120) is provided with a button mounting portion (121), the button mounting portion (121) is provided with a notch (122) for exposing the pressing portion (301), and the elastic pressing portion (302) is arranged in the button mounting portion (121) and presses against the inner wall of the button mounting portion (121); The button mounting portion (121) is protruding from the panel (120), the elastic pressing portion (302) is pressed against the upper wall of the button mounting portion (121), the middle portion of the button (300) is rotatably connected to the side wall of the button mounting portion (121) through a rotating mechanism, the rotating mechanism comprises a rotating shaft (303) and an axial hole (123) corresponding to the rotating shaft (303), one of the rotating shaft (303) and the axial hole (123) is arranged in the middle portion of the button (300), and the other is arranged on the side wall of the button mounting portion (121); The switch trigger module (200) comprises a fixed contact assembly (210) and an elastic contact assembly (220), and the button (300) is provided with a pushing portion (305) capable of pressing the elastic contact assembly (220) to move closer to the fixed contact assembly (210).

2. The push-button switch according to claim 1, It is characterized in that The rotating shaft (303) is provided with an oblique introduction surface (304), and the rotating shaft (303) can be guided by the oblique introduction surface (304) to be inserted into the shaft hole (123).

3. The push-button switch according to claim 1 or 2, It is characterized in that The button (300) is integrally formed by injection molding, and the elastic part (302) is a plate-shaped extension structure, and is tilted in the opposite direction relative to the pressing direction of the elastic part (302).

4. The push-button switch according to claim 1, It is characterized in that The switch trigger module (200) further comprises an accessory box (230), the elastic contact assembly (220) comprises a metal sheet (221) with a side-lying "U"-shaped structure, the lower end (221a) of the metal sheet (221) is fixedly mounted on the accessory box (230) or the base (110), the upper end (221b) of the metal sheet (221) is provided with a contact (221c) corresponding to the fixed contact assembly (210), and the pushing portion (305) corresponds to the upper end (221b) of the metal sheet (221).

5. The push-button switch according to claim 4, It is characterized in that The elastic contact assembly (220) further comprises a reinforcing sheet (222) fixedly mounted on the accessory box (230) or the base (110), wherein the reinforcing sheet (222) comprises a supporting portion (222a) capable of pressing against the inner side of the side portion (221d) of the metal sheet (221); the reinforcing sheet (222) is a "∟"-shaped structure, wherein the bottom portion (222b) is fixedly mounted on the accessory box (230) or the base (110), and the supporting portion (222a) is the side portion of the reinforcing sheet (222).

6. A doorbell switch, It is characterized in that include: A push button switch as claimed in any one of claims 1 to 5.

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