Wall switch

Abstract

The utility model relates to the field of low-voltage electric appliances, in particular to a wall switch, which comprises a panel, a pressing plate and a base box, a wiring terminal assembly and a contact assembly are mounted in the base box, the contact assembly comprises a moving contact and a static contact, the pressing plate is mounted on the base box and provided with a first mounting cavity, a button assembly is mounted in the first mounting cavity, and the button assembly is mounted on the panel. The button assembly penetrates through the pressing plate and is used for driving the moving contact, the wall switch is provided with a flexible sound insulation cover, the sound insulation cover covers the button assembly, the panel drives the sound insulation cover to deform and drives the button assembly to swing, and the button assembly drives the contact assembly to switch the opening and closing states. The sound insulation cover covers the button assembly, so that sound generated when the button assembly collides with the front face of the pressing plate is effectively prevented from spreading outwards, and the effects of sound insulation and muting are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of low-voltage apparatus, specifically relates to a wall switch. BACKGROUND

[0002] The sound produced in the opening and closing process of the wall switch is derived from two parts, one is the sound of the moving contact and the static contact hitting, and the other is the sound of the knob and the pressing plate hitting. Since the existing wall switch has a relatively large opening and closing sound, some users need a wall switch with a smaller sound, and the existing wall switch cannot meet the needs of some users. SUMMARY

[0003] The utility model aims at overcoming at least one defect of prior art, and provides a wall switch.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The application provides a wall switch, a panel, a pressing plate and a base box, the base box is internally provided with a terminal assembly and a contact assembly, the contact assembly comprises a moving contact and a static contact, the pressing plate is installed on the base box, the pressing plate is provided with a first installation cavity, a knob assembly is installed in the first installation cavity, the knob assembly penetrates through the pressing plate to drive the moving contact, the wall switch is provided with a flexible soundproof cover, the soundproof cover covers the knob assembly, the panel drives the soundproof cover to deform and drives the knob assembly to swing, and the knob assembly drives the contact assembly to switch between the on and off states.

[0006] In a possible implementation manner, the wall switch further comprises a sealing ring arranged between the base box and the pressing plate, used for isolating the sound of the moving contact and the static contact hitting; and / or, the soundproof cover covers the first installation cavity.

[0007] In a possible implementation manner, the wall switch further comprises a fixing member for fixing the soundproof cover, the fixing member is fixedly installed with the pressing plate and limits the soundproof cover.

[0008] In a possible implementation manner, the soundproof cover comprises a containing cavity, the fixing member is a frame structure and comprises a third through hole, the soundproof cover is invertedly buckled above the first installation cavity, the soundproof cover extends outward to form a protruding annular extrusion part around the mouth part, the frame structure of the fixing member is provided with an annular pressing rib around, the third through hole of the fixing member is sleeved on the protruding part of the containing cavity, and the annular pressing rib acts on the annular extrusion part.

[0009] In a possible implementation manner, the first installation cavity is provided with an annular groove around, the mouth part of the soundproof cover is located in the annular groove, and the annular pressing rib is limited in the annular groove and acts on the annular extrusion part.

[0010] In a possible implementation, the soundproof cover and the knob of the knob assembly are integrally formed, or the soundproof cover is fixedly installed with the knob of the knob assembly.

[0011] In a possible implementation, the base box is provided with a second mounting rack, the wiring terminal assembly and the contact assembly are mounted on the second mounting rack, the back surface of the pressing plate is provided with a first sealing site, the second mounting rack is provided with a second sealing site, the first sealing site and the second sealing site have the same structure as the sealing ring, and the sealing ring is clamped between the first sealing site and the second sealing site.

[0012] In a possible implementation, the back surface of the pressing plate is provided with a first protection cavity extending towards the base box, the edge of the first protection cavity towards the base box is located in the same plane, the first sealing site is the edge of the first protection cavity, one surface of the second mounting rack towards the pressing plate is provided with a second protection cavity extending towards the pressing plate, the contact assembly is located in the second protection cavity, the edge of the second protection cavity is located in the same plane, the second sealing site is the edge of the second protection cavity, the first protection cavity and the second protection cavity are oppositely buckled, so that the first sealing site and the second sealing site clamp the sealing ring, a closed space is formed between the first protection cavity and the second protection cavity, and one end of the knob assembly extends into the first protection cavity and the second protection cavity through the first mounting cavity and acts on the contact assembly.

[0013] In a possible implementation, the wall switch further comprises a sealing ring provided between the base box and the pressing plate, the soundproof cover and the sealing ring are made of silica gel or rubber; and / or the fixing member extends in the direction towards the pressing plate and is provided with a first limiting plate, the first limiting plate is provided with a first buckle, the pressing plate is provided with a mounting through hole on the side of the first mounting cavity, the mounting through hole is provided with a second buckle, the first limiting plate extends into the mounting through hole, and the first buckle and the second buckle are buckled and mounted.

[0014] In a possible implementation, the wall switch further comprises a cover plate, the panel is rotationally arranged on the cover plate, the cover plate is provided with a first through hole, one surface of the panel towards the pressing plate is provided with a protruding first driving part, and the first driving part of the panel acts on the knob assembly through the first through hole; the wall switch further comprises a mounting rack provided between the cover plate and the base box, the mounting rack comprises a second through hole for the first driving part to pass through, the cover plate and the mounting rack are buckled and mounted, and the mounting rack and the base box are buckled and mounted.

[0015] Compared with the prior art, the wall switch provided by the application is provided with a flexible sound insulation cover covering the knob assembly, the panel drives the sound insulation cover to deform and drive the knob assembly to swing, the knob assembly drives the contact assembly to switch the on-off state, the sound insulation cover covering the knob assembly effectively avoids the sound of the front impact of the knob assembly and the pressing plate from spreading outward, and plays a sound insulation and mute effect.

[0016] In addition, the sound insulation cover covers the first mounting cavity, so that the opening direction of the first mounting cavity towards the panel is covered, and the second driving part of the knob assembly is enclosed in the sound insulation cover, so that the sound insulation effect is better.

[0017] In addition, the mute assembly further comprises a fixing member for fixing the sound insulation cover, the fixing member is fixedly installed with the pressing plate, and the sound insulation cover is limited and sealed, so that the sealing effect is improved.

[0018] In addition, the wall switch further comprises a sealing ring arranged between the base box and the pressing plate, and used for isolating the sound of the impact of the moving contact and the static contact.

[0019] In addition, the sealing ring is made of flexible material, and is used for sealing and sound insulating the space between the contact assembly and the knob assembly, so that the sound of the impact of the moving contact and the static contact is isolated, and the sound insulation effect of the wall switch is further improved.

[0020] In addition, the sound insulation cover and the sealing ring are made of silica gel or rubber, so that the sealing effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the wall switch of the utility model;

[0022] Figure 2 is a sectional view of the wall switch of the utility model;

[0023] Figure 3 is a structural schematic view of the cover plate of the wall switch of the utility model;

[0024] Figure 4 is a structural schematic view of the panel of the wall switch of the utility model;

[0025] Figure 5 is a structural schematic view of the mounting rack of the wall switch of the utility model;

[0026] Figure 6 is a structural schematic view of the second mounting rack of the wall switch of the utility model;

[0027] Figure 7 is the structure diagram of the knob of the wall switch of the utility model;

[0028] Figure 8 and Figure 9 is the structure diagram of the front and back of the soundproof cover of the wall switch of the utility model;

[0029] Figure 10 is the structure diagram of the installation of the soundproof cover and the knob of the wall switch of the utility model;

[0030] Figure 11 and Figure 12 is the structure diagram of the front and back of the pressing plate of the wall switch of the utility model;

[0031] Figure 13 is the structure diagram of the sealing ring of the wall switch of the utility model;

[0032] Figure 14 is the structure diagram of the second mounting frame of the wall switch of the utility model;

[0033] Figure 15 is the structure diagram of the base box of the wall switch of the utility model;

[0034] The label in the drawing includes:

[0035] Panel 1;

[0036] First drive part 11;Rotating plate 12;Hook 13;

[0037] Cover plate 2;

[0038] First via 21;Clamping hole 22;

[0039] Mounting frame 3;

[0040] Second via 31;Fourth buckle 32;

[0041] Pressing plate 4;

[0042] First installation cavity 41;

[0043] Annular groove 411;Installation through hole 412;Supporting arm 413;First sealing position 414;First protection cavity 415;Supporting plate 416;Clamping shaft 417;Second limiting plate 418;

[0044] Base box 5;

[0045] Third buckle 51;Sixth buckle 52;

[0046] Knob assembly 6;

[0047] Second driving part 61; button 62; spring 63; ejector rod 64; driven part 65; ejector rod mounting hole 66;

[0048] Soundproof cover 71;

[0049] Accommodation cavity 711; annular extrusion part 712;

[0050] Fixing part 72;

[0051] Third via hole 721; annular pressing rib 722; first limiting plate 723;

[0052] Sealing ring 81; second mounting bracket 82;

[0053] Second sealing position 821; second protection cavity 822. DETAILED DESCRIPTION

[0054] The embodiments are further illustrated below in conjunction with the accompanying drawings. The protection scope of the utility model is not limited to the description of the following embodiments.

[0055] As Figures 1-15 shown, the application provides a wall switch, comprising a panel 1, a cover plate 2, a mounting bracket 3, a pressing plate 4 and a base box 5 arranged in layers, the pressing plate 4 is provided with a first mounting cavity 41, a button subassembly 6 is installed in the first mounting cavity 41, a wiring terminal subassembly and a contact subassembly are installed in the base box 5, the contact subassembly comprises a moving contact and a stationary contact, the pressing plate 4 is installed on the base box 5 to limit and fix the wiring terminal subassembly and the contact subassembly, the button subassembly 6 passes through the pressing plate 4 to drive the moving contact, the panel 1 is rotationally arranged on the cover plate 2, the cover plate 2 and the mounting bracket 3 are respectively provided with a first via hole 21 and a second via hole 31, one side of the panel 1 facing the pressing plate 4 is provided with a first driving part 11 (as Figure 4 shown), the button subassembly 6 comprises a second driving part 61 (as Figure 7 shown), the second driving part 61 is located on one side of the first mounting cavity 41 facing the panel 1 (that is, the upper surface of the first mounting cavity 41), pressing the panel 1 to swing the panel 1 can make the first driving part 11 of the panel 1 act on the second driving part 61 of the button subassembly 6 in turn through the first via hole 21 and the second via hole 31 to drive the button subassembly 6 to swing, the button subassembly 6 can drive the contact subassembly to switch between an open state and a closed state, that is, make the moving contact contact or separate from the stationary contact. It should be noted that this is the prior art in the field, and according to needs, the cover plate 2 can not be provided, the mounting bracket 3 can not be provided or the mounting bracket 3 can be integrally formed with the base box 5; one moving contact can cooperate with one stationary contact or two stationary contacts.

[0056] An improved aspect of the present application is that the wall switch is provided with a mute assembly which is installed between the pressing plate 4 and the panel 1, and when the wall switch is switched on and off, the impact sound of the knob assembly 6 and the pressing plate 4 is prevented from being transmitted outward, thereby achieving sound insulation and mute effects.

[0057] As shown in Figure 1 and Figure 8 , Figure 9 , the mute assembly comprises a flexible soundproof cover 71 which covers the knob assembly 6, the panel 1 drives the soundproof cover 71 to deform and drives the knob assembly 6 to swing, and the knob assembly 6 drives the contact assembly to switch on and off. Specifically, the soundproof cover 71 covers above the first mounting cavity 41, so that the opening direction of the first mounting cavity 41 towards the panel 1 is covered, and the second driving part 61 of the knob assembly 6 is enclosed in the soundproof cover 71, thereby effectively preventing the impact sound of the knob assembly 6 and the pressing plate 4 from being transmitted outward, thereby achieving sound insulation and mute effects. The soundproof cover 71 is made of a flexible soundproof material, the first driving part 11 of the panel 1 acts on the knob assembly 6 through the soundproof cover 71, and during the process of driving the knob assembly 6 to swing, the soundproof cover 71 can deform and reset due to its flexible nature. In the preferred embodiment of the present application, the soundproof cover 71 is made of silica gel or rubber material, which has better sealing effect.

[0058] Preferably, as shown in Figure 1 and Figure 6 , the mute assembly further comprises a fixing member 72 for fixing the soundproof cover 71, the fixing member 72 is fixedly installed with the pressing plate 4, and limits the soundproof cover 71 to improve the sealing effect.

[0059] Further, as shown in Figure 6 and Figure 8 , the soundproof cover 71 comprises a containing cavity 711, the fixing member 72 is a frame structure comprising a third through hole 721, the soundproof cover 71 is invertedly buckled above the first mounting cavity 41, the part of the knob assembly 6 protruding above the upper surface of the pressing plate 4 is located in the containing cavity 711, the containing cavity 711 protrudes above the upper surface of the pressing plate 4, the third through hole 721 of the fixing member 72 passes through the protruding part of the containing cavity 711, and the frame structure of the fixing member 72 extrudes the periphery of the containing cavity 711. In the embodiment of the present application, in order to adapt to the structure of the first mounting cavity 41, the soundproof cover 71 and the fixing member 72 are both rectangular structures, and as other embodiments, the soundproof cover 71 and the fixing member 72 can also be circular or other irregular shapes.

[0060] Further, as shown in Figure 6 and Figure 9As shown in the drawings, the opening of the soundproof cover 71 is located in the same plane, and the soundproof cover 71 extends outward around the opening to form a protruding annular extrusion part 712. The frame structure of the fixing member 72 is provided with an annular pressing rib 722 around the frame structure, which acts on the annular extrusion part 712.

[0061] Further, as shown in the drawings, Figure 11 the first mounting cavity 41 is provided with an annular groove 411 around the first mounting cavity 41, and the opening of the soundproof cover 71 is located in the annular groove 411. The annular pressing rib 722 of the fixing member 72 can be limited in the annular groove 411 and act on the annular extrusion part 712. By providing the annular groove 411 around the first mounting cavity 41, the sealing effect of the soundproof cover 71 can be improved, and the sound insulation effect of the wall switch can be further improved.

[0062] Further, as shown in the drawings, Figure 6 and Figure 11 the fixing member 72 is snap-fitted with the pressing plate 4. The fixing member 72 extends in the direction of the pressing plate 4 and is provided with a first limiting plate 723, and the first limiting plate 723 is provided with a first buckle. The pressing plate 4 is provided with a mounting through hole 412 on the side of the first mounting cavity 41, and the mounting through hole 412 is provided with a second buckle. The first limiting plate 723 extends into the mounting through hole 412, and the first buckle and the second buckle are snap-fitted. The first buckle and the second buckle are respectively buckle protrusions and buckle holes or buckle grooves.

[0063] Preferably, as shown in the drawings, Figure 1 , Figure 7 and Figure 10 the soundproof cover 71 and the knob assembly 6 are integrally formed, or the soundproof cover 71 and the knob assembly 6 are fixedly installed. The knob assembly 6 includes a knob 62, a spring 63 and a top rod 64. The knob 62 includes a second driving part 61 and a driven part 65. The driven part 65 of the knob 62 is provided with a top rod mounting hole 66, and the top rod 64 is installed in the top rod mounting hole 66. The spring 63 is connected between the knob 62 and the top rod 64. The second driving part 61 of the knob 62 is located in the accommodating cavity 711 of the soundproof cover 71. The soundproof cover 71 can be integrally formed with the knob assembly 6, or can be connected by adhesive or buckle.

[0064] Further, as shown in the drawings, Figure 7 and Figure 11As shown, the button 62 has a "T" shaped structure, including a horizontally arranged crossbeam and a vertically arranged longitudinal beam. The longitudinal beam is vertically connected to the middle of the crossbeam. The second driving part 61 is located at both ends of the crossbeam, and the driven part 65 is located at the end of the longitudinal beam away from the crossbeam. The crossbeam is located within the receiving cavity 711 of the soundproof cover 71. Two protruding support arms 413 are provided on both sides of the first mounting cavity 41, and the connection position of the crossbeam and the longitudinal beam is rotatably positioned between the two support arms 413.

[0065] Preferably, as another embodiment, the fixing member 72 is fixedly connected to the soundproof cover 71. The fixing member 72 and the soundproof cover 71 can be connected as a whole by adhesive, reducing the number of parts and making disassembly and installation more convenient. As another embodiment, the soundproofing component can be fixedly installed with the pressure plate 4 or the mounting bracket 3. For example, the fixing member 72 can be integrally formed with the pressure plate 4 or the mounting bracket 3 or fixedly installed, which are all possible and within the scope of protection of this application.

[0066] Preferred, such as Figure 1 and Figure 13 As shown, another improvement of this application is that the silencing assembly further includes a sealing ring 81 disposed between the base box 5 and the pressure plate 4, for isolating the sound of the moving contact colliding with the stationary contact. Specifically, the sealing ring 81 is disposed between the contact assembly and the pressure plate 4, and the sealing ring 81 is made of a flexible material. In a preferred embodiment of this application, the sealing ring 81 is made of silicone or rubber. Figure 1 , Figure 12 and Figure 14 As shown, a second mounting bracket 82 is provided inside the base box 5. The terminal block assembly and the contact assembly are mounted on the second mounting bracket 82. A first sealing position 414 is provided on the back of the pressure plate 4. The second mounting bracket 82 is provided with a second sealing position 821. The first sealing position 414 and the second sealing position 821 have the same structure as the sealing ring 81. The sealing ring 81 is clamped between the first sealing position 414 and the second sealing position 821 to seal and insulate the space between the contact assembly and the toggle assembly 6, isolating the sound of the moving contact and the stationary contact colliding, and further improving the sound insulation effect of the wall switch. The separate second mounting bracket 82 facilitates the installation of the contact assembly and the terminal block assembly.

[0067] In other embodiments, the second mounting bracket 82 may not be provided, and the second sealing position 821 may be provided inside the base box 5, or the second mounting bracket 82 may be integrally formed with the base box 5.

[0068] Furthermore, the back of the pressure plate 4 is provided with a first protective cavity 415 extending towards the base box 5. The edge of the first protective cavity 415 facing the base box 5 is located on the same plane. The first sealing position 414 is the edge of the first protective cavity 415. The side of the second mounting bracket 82 facing the pressure plate 4 is provided with a second protective cavity 822 extending towards the pressure plate 4. The contact assembly is located in the second protective cavity 822. The edge of the second protective cavity 822 is located on the same plane. The second sealing position 821 is the edge of the second protective cavity 822. The pressure plate 4 and the base box 5 are stacked and covered. The first protective cavity 415 and the second protective cavity 822 are engaged with each other, so that the first sealing position 414 and the second sealing position 821 clamp the sealing ring 81, forming a sealed space between the first protective cavity 415 and the second protective cavity 822. The driven part 65 of the button 62 of the button assembly 6 extends from the upper surface of the pressure plate 4 into the first mounting cavity 41. The push rod 64 located in the driven part 65 passes through the first mounting cavity 41 and extends between the first protective cavity 415 and the second protective cavity 822, so that the push rod 64 acts on the contact assembly located in the second protective cavity 822. The push rod 64 drives the contact assembly to switch states as the button 62 swings.

[0069] Preferred, such as Figure 3 , Figure 4 and Figure 11 As shown, the panel 1 is rotatably connected to the cover plate 2. Two rotating plates 12 are provided on the side of the panel 1 facing the cover plate 2. The cover plate 2 has two locking holes 22, each containing a support shaft. The two rotating plates 12 rest against the two support shafts. The panel 1 is rotatably connected to the pressure plate 4. Two support plates 416 are provided on the upper surface of the pressure plate 4. A locking shaft 417 is provided on each support plate 416. Two hooks 13 are provided on the side of the panel 1 facing the cover plate 2. Each hook 13 consists of two clamping arms and a locking slot located between the two clamping arms. The locking shaft 417 is rotatably disposed within the locking slot. The hooks 13 and the rotating plates 12 are aligned on the same straight line, which improves the stability of the panel 1's rotation.

[0070] Furthermore, such as Figure 4 As shown, the first driving part 11 is a rectangular protrusion, which has a larger contact area with the soundproof cover 71, thus avoiding damage to the soundproof cover 71.

[0071] Preferably, the cover plate 2 is snapped onto the mounting bracket 3.

[0072] In other embodiments, the cover plate 2 may be omitted, and the panel 1 may be rotatably mounted on the mounting bracket 3; alternatively, the cover plate 2 and the mounting bracket 3 may be integrally formed.

[0073] Preferred, such as Figure 5 and Figure 15As shown, the mounting bracket 3 is snapped together with the base box 5. A third snap 51 is provided on the side wall of the base box 5, and a fourth snap 32 is provided in the second through hole 31 of the mounting bracket 3. The base box 5 passes through the second through hole 31 to connect the third snap 51 and the fourth snap 32.

[0074] Preferred, such as Figure 11 and Figure 15 As shown, the pressure plate 4 is snapped into the base box 5, limiting the second mounting bracket 82. A second limiting plate 418 extends from the side of the pressure plate 4 facing the base box 5. The second limiting plate 418 is provided with a fifth snap-fit. A sixth snap-fit ​​52 is provided on the outer side of the base box 5. The second limiting plate 418 extends into the side of the base box 5, and the fifth and sixth snap-fits 52 are snapped together. The fifth and sixth snap-fits 52 are respectively a snap-fit ​​protrusion and a snap-fit ​​hole or slot.

[0075] Preferred, such as Figure 1 As shown, the cover plate 2 has two first mounting protrusions extending towards the center of the first through hole 21 on both sides, and the first mounting protrusions have first mounting holes. The mounting bracket 3 has two second mounting protrusions extending towards the center of the second through hole 31 on both sides, and the second mounting protrusions have second mounting holes. The pressure plate 4 has two first clearance notches on both sides, and the base box 5 has two second clearance notches on both side walls. The two first mounting protrusions, two second mounting protrusions, two first clearance notches, and two second clearance notches correspond to each other in the thickness direction of the wall switch. The first mounting protrusions and the second mounting protrusions can extend into the first clearance notches and the second clearance notches and are limited by the first clearance notches and the second clearance notches, which can improve the structural strength of the wall switch.

[0076] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used during use. They are only for ease of description and do not indicate that the device or component referred to must have a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating relative importance.

[0077] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the protection scope of the present invention.

Claims

1. A wall switch comprising a panel (1), a pressure plate (4), and a base box (5), wherein a terminal assembly and a contact assembly are installed in the base box (5), the contact assembly including a moving contact and a stationary contact, the pressure plate (4) is mounted on the base box (5), the pressure plate (4) is provided with a first mounting cavity (41), a toggle assembly (6) is installed in the first mounting cavity (41), the toggle assembly (6) passes through the pressure plate (4) for driving the moving contact, characterized in that, The wall switch is provided with a flexible soundproof cover (71), which covers the toggle assembly (6). The panel (1) drives the soundproof cover (71) to deform and drives the toggle assembly (6) to swing. The toggle assembly (6) drives the contact assembly to switch between open and closed states.

2. The wall switch according to claim 1, characterized in that, The wall switch also includes a sealing ring (81) disposed between the base box (5) and the pressure plate (4) to isolate the sound of the moving contact striking the stationary contact; and / or, the soundproof cover (71) covers the first mounting cavity (41).

3. The wall switch according to claim 1, characterized in that, The wall switch also includes a fixing member (72) for fixing the soundproof cover (71), the fixing member (72) being fixedly installed with the pressure plate (4) to limit the soundproof cover (71).

4. The wall switch according to claim 3, characterized in that, The soundproof cover (71) includes a receiving cavity (711), and the fastener (72) is a frame structure including a third through hole (721). The soundproof cover (71) is upside down above the first mounting cavity (41). The soundproof cover (71) extends outward around the opening to form a protruding annular pressing part (712). The frame structure of the fastener (72) is provided with annular pressure ribs (722). The third through hole (721) of the fastener (72) is fitted onto the protruding part of the receiving cavity (711). The annular pressure ribs (722) act on the annular pressing part (712).

5. The wall switch according to claim 4, characterized in that, The first mounting cavity (41) is provided with an annular groove (411) around its perimeter. The opening of the soundproof cover (71) is located in the annular groove (411). The annular pressure rib (722) is limited in the annular groove (411) and acts on the annular extrusion part (712).

6. The wall switch according to claim 1, characterized in that, The soundproof cover (71) and the button (62) of the button assembly (6) are integrally formed, or the soundproof cover (71) and the button (62) of the button assembly (6) are fixedly installed.

7. The wall switch according to claim 2, characterized in that, The base box (5) is provided with a second mounting bracket (82). The terminal assembly and the contact assembly are mounted on the second mounting bracket (82). The back of the pressure plate (4) is provided with a first sealing position (414). The second mounting bracket (82) is provided with a second sealing position (821). The first sealing position (414) and the second sealing position (821) have the same structure as the sealing ring (81). The sealing ring (81) is clamped between the first sealing position (414) and the second sealing position (821).

8. The wall switch according to claim 7, characterized in that, The back of the pressure plate (4) is provided with a first protective cavity (415) extending toward the base box (5). The edges of the first protective cavity (415) facing the base box (5) are located on the same plane. The first sealing position (414) is the edge of the first protective cavity (415). The side of the second mounting bracket (82) facing the pressure plate (4) is provided with a second protective cavity (822) extending toward the pressure plate (4). The contact assembly is located in the second protective cavity (822). The edges of the second protective cavity (822) are located on the same plane. The second sealing position (821) is the edge of the second protective cavity (822). The first protective cavity (415) and the second protective cavity (822) are engaged with each other, so that the first sealing position (414) and the second sealing position (821) clamp the sealing ring (81), forming a sealed space between the first protective cavity (415) and the second protective cavity (822). One end of the button assembly (6) passes through the first mounting cavity (41) and extends into the first protective cavity (415) and the second protective cavity (822), acting on the contact assembly.

9. The wall switch according to claim 3, characterized in that, The wall switch also includes a sealing ring (81) disposed between the base box (5) and the pressure plate (4), the soundproof cover (71) and the sealing ring (81) being made of silicone or rubber; and / or, the fixing member (72) extends toward the pressure plate (4) with a first limiting plate (723), the first limiting plate (723) being provided with a first buckle, the pressure plate (4) being located on the side of the first mounting cavity (41) being provided with a mounting through hole (412), the mounting through hole (412) being provided with a second buckle, the first limiting plate (723) extending into the mounting through hole (412), and the first buckle and the second buckle being snapped together.

10. The wall switch according to claim 1, characterized in that, The wall switch also includes a cover plate (2), a panel (1) is rotatably mounted on the cover plate (2), the cover plate (2) is provided with a first through hole (21), the side of the panel (1) facing the pressure plate (4) is provided with a protruding first driving part (11), the first driving part (11) of the panel (1) acts on the toggle assembly (6) through the first through hole (21); the wall switch also includes a mounting bracket (3) disposed between the cover plate (2) and the base box (5), the mounting bracket (3) includes a second through hole (31) for the first driving part (11) to pass through, the cover plate (2) is snapped to the mounting bracket (3), and the mounting bracket (3) is snapped to the base box (5).

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