CN213781904U - Waterproof wall switch - Google Patents

Abstract

The utility model provides a waterproof wall switch, including panel, casing, the panel on be provided with a plurality of operation buttons and supply the mounting hole of operation button installation, the casing in be provided with the electric link subassembly and constitute the driving medium of operation button and electric link subassembly linkage, the panel on be provided with surrounding edge and a plurality of bellying, the surrounding edge encircle to set up on the panel, a plurality of bellying correspond the operation button position and arrange in proper order on the panel, a plurality of mounting holes set up respectively on a plurality of bellying, surrounding edge and a plurality of bellying between constitute and have the channel. Not enough to prior art, the utility model provides a waterproof wall switch, its water-proof effects is good to simple structure, with low costs.

Description

Waterproof wall switch

Technical Field

The utility model relates to a waterproof wall switch.

Background

The wall switch is an electrical appliance switch installed on a wall surface, and generally can be divided into a touch type wall switch and a mechanical type wall switch, wherein the mechanical type wall switch generally comprises a shell, a panel, an electrical connection component and an operation key, the shell comprises an accommodating cavity, the electrical connection component is arranged in the accommodating cavity, the electrical connection component comprises a contact piece group and a transmission piece, the contact piece group comprises a static contact piece and a movable contact piece which are respectively connected with an electrical appliance and a power supply, the transmission piece is arranged between the operation key and the contact piece group and forms transmission fit of the operation key and the contact piece group, the rear end of the shell is embedded in the wall to form the fixation of the shell, a wiring harness for externally connecting the electrical appliance and the power supply is arranged on the shell in a penetrating way to form the connection with the contact piece group, the panel is arranged on the surface of the wall through the front end of the shell, a mounting hole is arranged on the panel, the operation key is arranged on the panel in a swinging way through the mounting hole, and the panel is arranged in a protruding way near the swing center of the operation key, and the on-off of the electric appliance is formed by the operation key on the operation panel.

However, the wall switch in the prior art is often installed in a bathroom as a bathroom heater switch, and in the using process, when a user touches an operation key or touches splashed water splash under the condition that the hand of the user is wet, gaps for relative movement of the switch panel and the operation key inevitably exist between the switch panel and the operation key, liquid is likely to enter the accommodating cavity through the gaps, and accidents are easily caused; or a cover plate which can form a cover for the panel is additionally arranged on the panel, and the cover plate is hinged or arranged on the panel in a sliding mode and used for blocking splashed water flowers.

Disclosure of Invention

Not enough to prior art, the utility model provides a waterproof wall switch, its water-proof effects is good to simple structure, with low costs.

In order to realize the above purpose, the utility model provides a waterproof wall switch, including panel, casing, the panel on be provided with a plurality of operation buttons and supply the mounting hole of operation button installation, the casing in be provided with the electric drive spare and constitute the driving medium of operation button and electric drive spare linkage, the panel on be provided with surrounding edge and a plurality of bellying, the surrounding edge encircle to set up on the panel, a plurality of bellyings correspond the operation button position and arrange in proper order on the panel, a plurality of mounting holes set up respectively on a plurality of bellyings, surrounding edge and a plurality of bellying between constitute and have the channel.

The technical scheme has the advantages that: the surrounding edge arranged around the panel and the plurality of the protruding parts arranged in sequence corresponding to the positions of the operation keys are arranged on the panel, and the mounting holes are arranged on the protruding parts, so that a channel consisting of the surrounding edge and the plurality of the protruding parts is formed on the panel, when liquid splashes on the panel, as the protruding parts are arranged corresponding to the operation keys, the liquid can lose kinetic energy under the primary shielding of the operation keys and then is guided by the guide channel under the action of gravity or flows towards the ground direction along the operation keys, and the mounting holes are arranged on the protruding parts without external force, the liquid is difficult to enter the interior of the switch through the mounting holes on the protruding parts, thereby avoiding the hidden danger under the condition that the liquid splashes or the hands of a user are wet under the contact switch keys, the waterproof effect is good, and only the structure of the panel is changed, and only the adjustment is needed on an injection mold of the panel, simple structure and low cost.

The utility model discloses can further set up to: the operation button extend towards the panel direction and be provided with shielding part, shielding part set up around the bellying, shielding part including being located the flange of operation button length direction both ends department respectively, the flange can be along with operation button swing and channel laminating, and the flange swings and can shelter from the terminal formation of flange to the surrounding edge when keeping away from the channel.

Through further setting up, the operation button extends towards the panel direction and sets up the shielding part around the bellying, and the flange at operation button both ends, it can be when the operation button swings or be close to the panel with the channel laminating, or can shelter from its terminal formation by the surrounding edge when keeping away from the panel, liquid can be avoided to the shielding part, slide to the terminal surface that the bellying set up the mounting hole along the terminal surface at button slip orientation mounting hole place on, guarantee water-proof effects, and when flange and channel laminating, be convenient for with liquid direction channel, and when the operation button swings to the flange and keeps away from the channel, the surrounding edge can be terminal sheltered from the flange, avoid liquid directly to arrive on the terminal surface at mounting hole place through clearance between them, further strengthen waterproof performance.

The utility model discloses can further set up to: the edge of the surrounding edge close to the ground direction is provided with an opening communicated with the channel and the outside.

Through further setting up, liquid can directly be discharged when sliding to the border department that is close to the ground direction, avoids liquid to pile up.

The utility model discloses can further set up to: the casing including first connecting portion, first connecting portion be used for constituting with the panel and be connected, and be provided with slot and spacing post on first connecting portion and the panel terminal surface in opposite directions respectively, slot and spacing post between can peg graft the cooperation.

Through further setting, set up slot and spacing post respectively on first connecting portion and the panel terminal surface in opposite directions to can peg graft the cooperation between slot and the spacing post, be convenient for preliminary location between them, later further spiro union is fixed again, the equipment of being convenient for.

The utility model discloses can further set up to: the casing including the second connecting portion, the second connecting portion be arranged in inlaying the dress in the wall body, the second connecting portion be less than first connecting portion, the second connecting portion on the cover be equipped with the flexure strip, and the flexure strip laminating is on the terminal surface of first connecting portion towards the wall.

Through further setting, when inlaying the second connecting portion in the wall body, the elastic sheet of cover dress on the second connecting portion and with the laminating of first connecting portion can be because compress tightly on the wall and the deformation to filling up the clearance between casing and the wall, prevents that liquid from wall and casing from oozing to casing department.

The utility model discloses can further set up to: including the terminal box, the terminal box cover establish in second connecting portion department, terminal box and spacing post on be provided with joint and through-hole respectively, joint constitute the joint cooperation with the panel after can passing the through-hole.

Through further setting up, establish in second connecting portion department through setting up this kind of supporting terminal box cover, avoid the exposed condition of the electric connection pencil of external equipment, power and the inside electric connection subassembly of switch's contact site to take place, need not additionally to set up the part that covers the casing leading-out terminal to the joint cooperation of joint and panel through-hole that sets up on the terminal box constitutes preliminary location between the switch part, the test link of the wall switch of being convenient for.

The utility model discloses can further set up to: first connecting portion and second connecting portion between be formed with the holding chamber, and be provided with on the first connecting portion and be used for constituting with the second connecting portion and cup joint the complex extension, extension department and second connecting portion on be provided with pothook and bayonet socket respectively, the pothook towards extension and second connecting portion both cup joint the direction and set up little gradually.

Through further setting up, set up bayonet socket and pothook respectively between extension and second connecting portion, be convenient for preliminary location between first connecting portion and the second connecting portion.

The utility model discloses can further set up to: the electric connection assembly comprises a first connection bridge, a second connection bridge, a first contact piece group and a second contact piece group, the first connection bridge is used for being connected with a power supply, the first contact piece group comprises a first movable contact piece and a first static contact piece, the first movable contact piece is arranged on the first connection bridge in a swinging mode and can swing to be attached to the first static contact piece or the second connection bridge, the second contact piece group comprises a second movable contact piece, a third movable contact piece and a second static contact piece, the second movable contact piece and the third movable contact piece are arranged on the second connection bridge in a swinging mode, the second movable contact piece and the third movable contact piece swing together, and the second movable contact piece and the third movable contact piece can swing to be attached to the first static contact piece and the second static contact piece respectively.

By further arranging, the first movable contact piece is arranged on the first connecting bridge in a swinging way, the first movable contact piece can form an electric equipment for connecting the first static contact piece to be electrified or enable the second connecting bridge to be connected with an upper power supply, and the second movable contact piece and the third movable contact piece are arranged in a swinging way together to enable the electric equipment for connecting the first static contact piece and the second static contact piece to be electrified simultaneously when the electric equipment for connecting the second static contact piece is needed to be used, corresponding to the specific application scene, for example, under the environment of a bathroom, the first static contact piece and the second static contact piece can respectively correspond to a blowing device and a heating device, at the moment, the blowing device and the heating device respectively correspond to the first static contact piece and the second static contact piece, the blowing device can operate independently, and when the heating device is needed to be opened, the blowing device and the heating device can be opened simultaneously through the operation keys corresponding to the second movable contact piece and the third movable contact piece, generally, the operation of the user is facilitated.

The utility model discloses can further set up to: the electric connection assembly comprises a third connection bridge and a third contact piece group, the second movable contact piece or the third movable contact piece can swing to be attached to the third connection bridge, the third contact piece group comprises a fourth movable contact piece and a third static contact piece, the fourth movable contact piece swings to be arranged on the third connection bridge, and the fourth movable contact piece can swing to be attached to the third static contact piece.

Through further arrangement, the second movable contact piece or the third movable contact piece can swing to be attached to the third connecting bridge, and the second movable contact piece and the third movable contact piece are arranged in a swinging mode at the same time, so that when the second movable contact piece and the third movable contact piece are located at the first static contact piece and the second static contact piece which are attached to each other, the third connecting bridge is not electrified, when the fourth movable contact piece is attached to the third static contact piece, power supply cannot be provided for power utilization equipment corresponding to the third contact piece, the power utilization equipment corresponds to an application scene, if the power supply device is used in a bathroom environment, when the air exhaust equipment and air blowing equipment use the same driving device, the third static contact piece corresponds to the air exhaust equipment, the situation that the driving device simultaneously receives two instructions needing reverse rotation and burns out is avoided, and a safety effect is achieved.

The utility model discloses can further set up to: the electric connection assembly comprises a third connection bridge and a third contact group, the third connection bridge is electrically connected and matched with the power supply, the third contact group comprises a fourth movable contact piece and a third static contact piece, the fourth movable contact piece is arranged on the third connection bridge in a swinging mode, and the fourth movable contact piece can swing to be attached to the third static contact piece.

Through further setting, connect the bridge with the third and connect the cooperation with the power electricity, third contact group can receive the operation button independent operation, corresponds to specifically to in the scene of using, if be used for the environment in bathroom under, when exhaust equipment and the equipment of blowing used different drive arrangement, both can open simultaneously.

The utility model discloses can further set up to: the electric connection component comprises a fourth contact group, the fourth contact group comprises a fifth movable contact piece and a fourth static contact piece, the fifth movable contact piece is arranged on the second connecting bridge in a swinging way, the fifth movable contact piece can swing to be attached to the fourth static contact piece, the third movable contact piece swings to be attached to the second static contact piece, the fifth movable contact piece swings to be consistent with the movement direction of the fourth static contact piece, the operation key comprises a first key and a second key, the first key and the second key are respectively arranged corresponding to the third movable contact piece and the fifth movable contact piece, a first abutting block and a second abutting block which are abutted with each other are respectively arranged on the first key and the second key in an extending way, when the second key drives the fifth movable contact piece to swing towards the direction of the fourth fixed contact piece, the second butt joint block can be pressed and drives the first butt joint block to move in the same direction.

Through further arrangement, a first butting block and a second butting block which are butted are respectively arranged on a first key and a second key which respectively correspond to a fifth movable contact piece and a third movable contact piece in an extending mode, the second butting block can be used for pressing and driving the first butting block to move in the same direction, the third movable contact piece swings to be attached to the second static contact piece and the fifth movable contact piece swings to be consistent with the movement direction of the fourth static contact piece, the first key can be driven to move in the same direction simultaneously under the condition that the second key is pressed to close and electrify the fifth movable contact piece and the fourth static contact piece, the third movable contact piece and the second static contact piece are closed, and when the second key drives the fifth movable contact piece and the fourth static contact piece to be separated and electrified, the third movable contact piece and the second static contact piece cannot be interfered; on the contrary, when the first key is used for driving the third movable contact piece and the second static contact piece to be separated and powered off, the second key is used for driving the five movable contact pieces and the fourth static contact piece to be separated and powered off, and therefore operation of a user can be facilitated when different gears exist in the heating equipment.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention;

fig. 2 is a front view of a first embodiment of the present invention;

fig. 3 is a cross-sectional view taken at B-B in fig. 2 according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a panel according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an operation button according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a housing according to a first embodiment of the present invention;

fig. 7 is an exploded view of fig. 6 according to a first embodiment of the present invention;

fig. 8 is a schematic structural diagram of an electrical connection assembly according to a first embodiment of the present invention;

fig. 9 is a schematic structural view of an electrical connection assembly according to a second embodiment of the present invention;

fig. 10 is a schematic structural diagram of an electrical connection assembly according to a third embodiment of the present invention;

fig. 11 is a schematic structural view of an operation button in the third embodiment of the present invention;

fig. 12 is a schematic structural diagram of a first button and a second button in the third embodiment of the present invention;

wherein: a panel 1; a mounting hole 11; a surrounding edge 12; an opening 121; a boss 13; a channel 14; a stopper post 15; a through hole 151; a housing 2; a first connecting portion 21; a slot 211; a hook 212; a second connecting portion 22; a bayonet 221; an operation key 3; a shielding portion 31; a rib 311; an extension end 32; a first key 33; a first abutment block 331; a second key 34; an electrical connection assembly 4; the second abutment block 341; the first connecting bridge 41; the second connecting bridge 42; a first set of contacts 43; a first movable contact piece 431; a first static contact 432; a second set of contacts 44; a second movable contact piece 441; a third movable contact piece 442; a second stationary contact 443; a third connecting bridge 45; a third set of contacts 46; a fourth movable contact piece 461; a third static contact 462; a fourth set of contacts 47; a fifth movable contact piece 471; a fourth static contact 472; a transmission member 5; an elastic sheet 6; a stopper hole 61; a junction box 7; and a snap connector 71.

Detailed Description

The embodiment of the utility model relates to a waterproof wall switch is shown as fig. 1-8: including panel 1, casing 2 and terminal box 7, panel 1 on be provided with a plurality of operation buttons 3 and supply the mounting hole 11 of operation button installation, casing 2 in be provided with electric link subassembly 4 and constitute operation button 3 and the driving medium 5 of electric link subassembly linkage, panel 1 on be provided with surrounding edge 12 and a plurality of bellying 13, surrounding edge 12 encircle and set up on panel 1, a plurality of bellying 13 correspond operation button 3 positions and arrange in proper order on panel 1, a plurality of mounting hole 11 set up respectively on a plurality of bellyings 13, surrounding edge 12 and a plurality of bellying 13 between constitute and have channel 14. Operation button 3 extend towards panel 1 direction and be provided with shielding part 31, shielding part 31 set up around bellying 13, shielding part 31 including being located the flange 311 of 3 direction both ends of operation button length respectively, flange 311 can laminate with channel 14 along with operation button 3 swing, and flange 311 swings and surrounding edge 12 can shelter from the terminal formation of flange 311 when keeping away from channel 14. In this embodiment, the two ends of the operation key are further provided with extension ends 32, and the extension ends 32 can cover and abut against the surrounding edge 12. The edge of the surrounding edge 12 close to the ground is provided with an opening 121 communicating the channel 14 and the outside. Casing 2 including first connecting portion 21, first connecting portion 21 be used for constituting with panel 1 and be connected, and be provided with slot 211 and spacing post 15 on first connecting portion 21 and the panel 1 terminal surface in opposite directions respectively, slot 211 and spacing post 15 between can peg graft the cooperation. In this embodiment, the two slots 211 and the two position-limiting columns 15 are both provided, and the two position-limiting columns 15 are respectively disposed on the protruding portions 13 near the two sides. The casing 2 include the second connecting portion 22, the second connecting portion 22 be used for inlaying in the wall body, the second connecting portion 22 be less than first connecting portion 21, in this embodiment, the second connecting portion 22 be less than first connecting portion 21 indicates that the girth of second connecting portion 22 is less than first connecting portion 21, through such shape, on the one hand the second connecting portion 22 can provide certain longitudinal support power, on the other hand first connecting portion 21 can cooperate the setting of the slotted hole that is used for the installation on the wall body to form spacing cooperation for the location of wall switch, the second connecting portion 22 on the cover be equipped with flexure strip 6, and flexure strip 6 laminating is on the terminal surface of first connecting portion 21 towards the wall. Junction box 7 cover establish in second connecting portion 22 department, junction box 7 and spacing post 15 on be provided with joint 71 and through-hole 151 respectively, joint 71 constitute the joint cooperation with panel 1 after can passing through-hole 151. In this embodiment, joint 71 by two parts that have the barb that the separation set up, wholly be the mushroom, the cross-section of through-hole 151 be the echelonment setting to gradually big setting towards joint 71 direction, flexure strip 6 correspond joint 71 position and be provided with the spacing hole 61 that can supply joint 71 to wear to establish. First connecting portion 21 and second connecting portion 22 between be formed with holding chamber 23, and be provided with on the first connecting portion 21 and be used for constituting with second connecting portion 22 and cup joint the complex extension, extension department and second connecting portion 22 on be provided with pothook 211 and bayonet socket 221 respectively, pothook 221 towards extension 212 and second connecting portion 22 both cup joint the direction and set up that diminishes. The electrical connection assembly 4 includes a first connection bridge 41, a second connection bridge 42, a first contact set 43 and a second contact set 44, the first connecting bridge 41 is used for connecting with a power supply, the first contact set 43 comprises a first movable contact 431 and a first static contact 432, the first movable contact 431 is arranged on the first connecting bridge 41 in a swinging way, and the first movable contact 431 can swing to be attached to the first fixed contact 431 or the second connecting bridge 42, the second contact set 44 comprises a second movable contact 441, a third movable contact 442 and a second fixed contact 443, the second movable contact piece 441 and the third movable contact piece 442 are both arranged on the second connecting bridge 42 in a swinging way, the second movable contact piece 441 and the third movable contact piece 442 are arranged in a swinging way together, and the second and third movable contacts 441 and 442 can swing simultaneously to be attached to the first and second stationary contacts 432 and 443, respectively. The electric connection assembly 4 includes a third connection bridge 45 and a third contact set 46, the second movable contact 441 or the third movable contact 442 can swing to be attached to the third connection bridge 45, the third contact set 46 includes a fourth movable contact 461 and a third static contact 462, the fourth movable contact 461 is swing arranged on the third connection bridge 45, and the fourth movable contact 461 can swing to be attached to the third static contact 462.

The utility model relates to a water proof wall switch's embodiment two is shown as figure 9 with the distinguishing characteristic of embodiment one, specifically see below: the electric connection assembly 4 comprises a third connection bridge 45 and a third contact set 46, the third connection bridge 45 is electrically connected and matched with a power supply, the third contact set 46 comprises a fourth movable contact 461 and a third static contact 462, the fourth movable contact 461 is arranged on the third connection bridge 45 in a swinging mode, and the fourth movable contact 461 can swing to be attached to the third static contact 462.

The utility model relates to a water proof wall switch's embodiment three and embodiment one, the distinguishing characteristic of two are shown as 10-12, see specifically below:

the electric connection component 4 comprises a fourth contact set 47, the fourth contact set 47 comprises a fifth movable contact 471 and a fourth static contact 472, the fifth movable contact 471 is arranged on the second connecting bridge 42 in a swinging manner, the fifth movable contact 471 can swing to be attached to the fourth static contact 472, the third movable contact 442 swings to be attached to the second static contact 443, the fifth movable contact 471 swings to be consistent with the movement direction of the fourth static contact 472, the operation key 3 comprises a first key 33 and a second key 34, the first key 33 and the second key 34 are respectively arranged corresponding to the third movable contact 442 and the fifth movable contact 471, a first abutting block 331 and a second abutting block 341 which are abutted with each other are respectively arranged on the first key 33 and the second key 34 in an extending manner, and the second key 34 drives the fifth movable contact 471 to swing towards the fourth static contact 472, the second abutting block 341 can compress and drive the first abutting block 331 to move in the same direction. In this embodiment, the first abutting block 331 and the second abutting block 341 are two and are respectively disposed at two ends of the first key 33 and the second key 34, the switch keys have five key positions in total, the first key 33 and the second key 34 respectively correspond to a weak gear and a strong gear of a heating device, the electrical connection assembly 4 includes a third connection bridge 45 and a third contact set 46, the second movable contact 441 or the third movable contact 442 can swing to be attached to the third connection bridge 45, the third contact set 46 includes a fourth movable contact 461 and a third stationary contact 462, the fourth movable contact 461 is swing to be disposed on the third connection bridge 45, and the fourth movable contact 461 can swing to be attached to the third stationary contact 462.

The above examples are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims (11)

1. The utility model provides a waterproof wall switch, including panel, casing, the panel on be provided with a plurality of operation buttons and supply the mounting hole of operation button installation, the casing in be provided with the electric link subassembly and constitute the driving medium of operation button and electric link subassembly linkage, its characterized in that: the panel on be provided with surrounding edge and a plurality of bellying, the surrounding edge encircle to set up on the panel, a plurality of bellying correspond the operation button position and arrange in proper order on the panel, a plurality of the mounting hole set up respectively on a plurality of bellyings, surrounding edge and a plurality of bellying between constitute and have the channel.

2. A watertight wall switch in accordance with claim 1, wherein: the operation button extend towards the panel direction and be provided with shielding part, shielding part set up around the bellying, shielding part including being located the flange of operation button length direction both ends department respectively, the flange can be along with operation button swing and channel laminating, and the flange swings and can shelter from the terminal formation of flange to the surrounding edge when keeping away from the channel.

3. A watertight wall switch according to claim 1 or 2, characterized in that: the edge of the surrounding edge close to the ground direction is provided with an opening communicated with the channel and the outside.

4. A watertight wall switch according to claim 1 or 2, characterized in that: the casing including first connecting portion, first connecting portion be used for constituting with the panel and be connected, and be provided with slot and spacing post on first connecting portion and the panel terminal surface in opposite directions respectively, slot and spacing post between can peg graft the cooperation.

5. A watertight wall switch in accordance with claim 4, characterized in that: the casing including the second connecting portion, the second connecting portion be arranged in inlaying the dress in the wall body, the second connecting portion be less than first connecting portion, the second connecting portion on the cover be equipped with the flexure strip, and the flexure strip laminating is on the terminal surface of first connecting portion towards the wall.

6. A watertight wall switch in accordance with claim 5, characterized in that: including the terminal box, the terminal box cover establish in second connecting portion department, terminal box and spacing post on be provided with joint and through-hole respectively, joint constitute the joint cooperation with the panel after can passing the through-hole.

7. A watertight wall switch as claimed in claim 5 or 6, characterized in that: first connecting portion and second connecting portion between be formed with the holding chamber, and be provided with on the first connecting portion and be used for constituting with the second connecting portion and cup joint the complex extension, extension department and second connecting portion on be provided with pothook and bayonet socket respectively, the pothook towards extension and second connecting portion both cup joint the direction and set up little gradually.

8. A watertight wall switch as claimed in claim 1 or 2 or 5 or 6, characterized in that: the electric connection assembly comprises a first connection bridge, a second connection bridge, a first contact piece group and a second contact piece group, the first connection bridge is used for being connected with a power supply, the first contact piece group comprises a first movable contact piece and a first static contact piece, the first movable contact piece is arranged on the first connection bridge in a swinging mode and can swing to be attached to the first static contact piece or the second connection bridge, the second contact piece group comprises a second movable contact piece, a third movable contact piece and a second static contact piece, the second movable contact piece and the third movable contact piece are arranged on the second connection bridge in a swinging mode, the second movable contact piece and the third movable contact piece swing together, and the second movable contact piece and the third movable contact piece can swing to be attached to the first static contact piece and the second static contact piece respectively.

9. A watertight wall switch in accordance with claim 8, wherein: the electric connection assembly comprises a third connection bridge and a third contact piece group, the second movable contact piece or the third movable contact piece can swing to be attached to the third connection bridge, the third contact piece group comprises a fourth movable contact piece and a third static contact piece, the fourth movable contact piece swings to be arranged on the third connection bridge, and the fourth movable contact piece can swing to be attached to the third static contact piece.

10. A watertight wall switch in accordance with claim 8, wherein: the electric connection assembly comprises a third connection bridge and a third contact group, the third connection bridge is electrically connected and matched with the power supply, the third contact group comprises a fourth movable contact piece and a third static contact piece, the fourth movable contact piece is arranged on the third connection bridge in a swinging mode, and the fourth movable contact piece can swing to be attached to the third static contact piece.

11. A watertight wall switch in accordance with claim 8, wherein: the electric connection component comprises a fourth contact group, the fourth contact group comprises a fifth movable contact piece and a fourth static contact piece, the fifth movable contact piece is arranged on the second connecting bridge in a swinging way, the fifth movable contact piece can swing to be attached to the fourth static contact piece, the third movable contact piece swings to be attached to the second static contact piece, the fifth movable contact piece swings to be consistent with the movement direction of the fourth static contact piece, the operation key comprises a first key and a second key, the first key and the second key are respectively arranged corresponding to the third movable contact piece and the fifth movable contact piece, a first abutting block and a second abutting block which are abutted with each other are respectively arranged on the first key and the second key in an extending way, when the second key drives the fifth movable contact piece to swing towards the direction of the fourth fixed contact piece, the second butt joint block can be pressed and drives the first butt joint block to move in the same direction.

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