CN220753290U - Waterproof switch and electrical apparatus - Google Patents

Abstract

The utility model provides a waterproof switch and an electric appliance, and relates to the technical field of household appliances, wherein the waterproof switch is used for being installed on an electric appliance shell and comprises a deflector rod, an elastic sealing gasket, a transmission assembly and a switch body, a first installation hole is formed in the electric appliance shell, the elastic sealing gasket is used for being placed on the inner side of the electric appliance shell, a first boss matched with the first installation hole is arranged on the elastic sealing gasket and is used for being inserted into the first installation hole, a second installation hole matched with the deflector rod in appearance is formed in the first boss along the axial direction, and one end of the deflector rod penetrates through the second installation hole and is connected with the switch body through the transmission assembly. According to the waterproof switch disclosed by the utility model, the deflector rod drives the switch body to act through the transmission assembly, and meanwhile, the deflector rod is in sealing connection with the electric appliance shell through the elastic sealing gasket, so that the waterproof protection of the switch body is realized.

Description

Waterproof switch and electrical apparatus

Technical Field

The utility model relates to the technical field of household appliances, in particular to a waterproof switch and an electric appliance.

Background

The switch is a common electronic component, and can be used for conducting or breaking a circuit through mechanical switching, so that the switch is widely applied to various electronic and electric products such as household liquid heaters. The liquid heater is close to its casing bottom the position is equipped with the rocker switch generally, and exists the assembly gap between current rocker switch and the liquid heater casing generally, if the wet hand operation switch of user, the water stain of hand is very easy to get into from the assembly gap, leads to switch department emergence electric leakage phenomenon.

Disclosure of Invention

The utility model aims to provide a waterproof switch and an electric appliance, which are used for solving the technical problem that the existing switch and an electric appliance shell have assembly gaps and cannot be completely waterproof.

In one aspect, the utility model provides a waterproof switch, which is used for being installed on an electric appliance shell and comprises a deflector rod, an elastic sealing gasket, a transmission assembly and a switch body, wherein a first installation hole is formed in the electric appliance shell, the elastic sealing gasket is used for being placed on the inner side of the electric appliance shell, a first boss matched with the first installation hole is arranged on the elastic sealing gasket and is used for being inserted into the first installation hole, a second installation hole matched with the deflector rod in appearance is formed in the first boss along the axial direction, and one end of the deflector rod penetrates through the second installation hole and is connected with the switch body through the transmission assembly.

In an alternative embodiment, a second boss is arranged on the elastic sealing gasket along the circumferential edge of the first boss, a second groove matched with the second boss is arranged on the electrical appliance shell along the circumferential edge of the first mounting hole, and the second boss is used for being inserted into the second groove;

or, the elastic sealing gasket is provided with a second groove along the circumferential edge of the first boss, and the electrical equipment shell is provided with a second boss matched with the second groove along the circumferential edge of the first mounting hole.

In an alternative embodiment, the first boss extends axially outward of the appliance housing to form an extension protruding from an outer surface of the appliance housing.

In an alternative embodiment, the transmission assembly includes first support, second support and drive plate, first support with the cooperation of second support is installed, first support and/or the second support be used for with the electrical apparatus casing is connected, be equipped with the third mounting hole on the first support, the drive plate with the driving lever is connected, the drive plate rotate set up in the third mounting hole, just the drive plate is used for around the direction swing of perpendicular to third mounting hole axis, be equipped with on the second support with the fourth mounting hole that the third mounting hole is linked together, the part of switch body be located in the fourth mounting hole and with fourth mounting hole cooperation is connected, the switch body with the drive plate contact, the drive plate be used for relative first support swing in order to drive the switch body action.

In an alternative embodiment, the transmission assembly further comprises a first fastener, a third groove is formed in the transmission plate, the deflector rod is inserted into the third groove, and the first fastener passes through the bottom of the third groove to be inserted into the deflector rod; two connecting shafts are arranged on the circumferential side wall of the transmission plate, the transmission plate is connected with the inner wall of the third mounting hole in a swinging mode through the connecting shafts, and the straight line where the two connecting shafts are located is the swinging axis of the transmission plate.

In an alternative embodiment, the first bracket is provided with a claw along the circumferential direction of the third mounting hole, the second bracket is provided with a clamping hole along the circumferential direction of the fourth mounting hole, and the claw is connected with the clamping hole in a matched manner.

In an alternative embodiment, the transmission assembly further comprises a second fastening member, a first connecting column is arranged in the circumferential direction of the elastic sealing gasket, a first connecting hole is formed in the first connecting column along the axial direction, a second connecting column matched with the first connecting hole is arranged in the circumferential direction of the fourth mounting hole on the second support, the second connecting column is inserted into the first connecting hole, a second connecting hole is formed in the second connecting column along the axial direction, and the second fastening member is used for penetrating through the second connecting hole to be connected with the electric appliance shell.

In an alternative embodiment, a positioning blocking edge is arranged on the circumferential side wall of the switch body, which is close to one end of the transmission plate, and the switch body is abutted with the top wall of the fourth mounting hole through the positioning blocking edge;

and/or, the circumferential side wall of the switch body is provided with an elastic deformation part, and the switch body is abutted with the circumferential inner wall of the fourth mounting hole through the elastic deformation part.

Compared with the prior art, the waterproof switch has the following beneficial effects:

according to the waterproof switch, one end of the deflector rod passes through the elastic sealing gasket and then can be connected with the switch body through the transmission assembly, and the switch body can be driven to act by the transmission assembly through swinging the deflector rod, so that the functions of cutting off and conducting a circuit of the switch body are realized. In addition, in the process of movement of the deflector rod, the elastic sealing gasket deforms and can move along with the deflector rod, and the elastic sealing gasket cannot limit the movement of the deflector rod. Meanwhile, the deflector rod passes through the second mounting hole on the elastic sealing gasket, the deflector rod and the second mounting hole are matched and mounted to form a first seal, and the elastic sealing gasket is arranged in the first mounting hole of the electric appliance shell, so that the elastic sealing gasket and the first mounting hole are matched and mounted to form a second seal, namely the deflector rod can be in multi-channel sealing connection with the electric appliance shell through the elastic sealing gasket, so that water stains can not enter from an assembly gap between the deflector rod and the electric appliance shell, and waterproof protection of the switch body is realized.

In another aspect, the present utility model provides an electrical apparatus, including the waterproof switch described above for an electrical apparatus housing, where the waterproof switch is mounted on the electrical apparatus housing. The electrical appliance has the same advantages as the waterproof switch described above compared with the prior art, and the description will not be repeated.

In an alternative embodiment, the appliance further comprises a knob housing and a timer, the timer being mounted on the appliance housing, and the knob housing being connected to the timer.

Drawings

Fig. 1 is a schematic view of an installation structure of a waterproof switch on an electrical appliance casing according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

fig. 4 is an exploded view of a waterproof switch according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of the overall structure of the waterproof switch according to the embodiment of the utility model.

Reference numerals illustrate:

1. a deflector rod; 2. an elastic sealing gasket; 21. a first boss; 211. a second mounting hole; 212. an extension section; 22. a second boss; 23. a first connection post; 231. a first connection hole; 3. a transmission assembly; 31. a first bracket; 311. a third mounting hole; 312. a claw; 32. a second bracket; 321. a fourth mounting hole; 322. a clamping hole; 323. a second connection post; 3231. a second connection hole; 33. a drive plate; 331. a third groove; 332. a connecting shaft; 34. a first fastener; 4. a switch body; 41. positioning a blocking edge; 42. an elastic deformation portion; 5. an electric appliance housing; 51. a first mounting hole; 52. a second groove; 6. a timer; 7. a knob housing.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "center," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Herein, a coordinate axis Z-axis is established, wherein a forward direction of the Z-axis represents an upper direction and a reverse direction of the Z-axis represents a lower direction. It should be noted that this is only for illustrating the orientation, and does not limit the scope of the present utility model.

Referring to fig. 1-5, the waterproof switch of the embodiment of the utility model is configured to be mounted on an electrical apparatus housing 5, and comprises a deflector rod 1, an elastic sealing pad 2, a transmission assembly 3 and a switch body 4, wherein a first mounting hole 51 is formed in the electrical apparatus housing 5, the elastic sealing pad 2 is configured to be placed on the inner side of the electrical apparatus housing 5, a first boss 21 matched with the first mounting hole 51 is formed on the elastic sealing pad 2, the first boss 21 is configured to be inserted into the first mounting hole 51, a second mounting hole 211 matched with the outer shape of the deflector rod 1 is formed in the first boss 21 along the axial direction, and one end of the deflector rod 1 passes through the second mounting hole 211 and is connected with the switch body 4 through the transmission assembly 3.

The waterproof switch in this embodiment may be used for various small household appliances, and the waterproof switch is installed in the first installation hole 51 of the electrical appliance casing 5, where the first installation hole 51 may be located at any position such as the top wall, the side wall, the bottom wall, etc. of the electrical appliance casing 5. In order to avoid confusion, the following description will be made by taking a vertical arrangement of the waterproof switch as an example, the first mounting hole 51 penetrates through the electrical appliance housing 5 along the direction shown by the Z axis, the driving lever 1 is arranged along the direction shown by the Z axis, the driving lever 1 can swing left and right, the elastic sealing pad 2 can be made of silica gel, the middle part of the elastic sealing pad 2 protrudes upwards to form the first boss 21, the elastic sealing pad 2 is arranged in an inverted T shape, the circumferential side wall of the first boss 21 is matched with the shape of the first mounting hole 51, a plurality of groove parts can be formed on the upper surface of the first boss 21, so that the first boss 21 has a gradually increasing thickness trend from the direction close to the axis direction away from the axis direction, the driving lever 1 penetrates through the elastic sealing pad 2 along the axial direction, and the driving lever 1 is easy to deform in the process of swinging left and right due to the thinner position of the elastic sealing pad 2 close to the driving lever 1, and can move along with the driving lever 1. The transmission assembly 3 plays a role in transmitting power, and transmits the driving force applied by the deflector rod 1 to the switch body 4, and the switch body 4 can be a key switch. The second mounting hole 211 is coaxial with the first mounting hole 51.

In this embodiment, after one end of the driving lever 1 passes through the elastic sealing pad 2, the driving assembly 3 can be connected with the switch body 4, and the driving assembly 3 can drive the switch body 4 to act by swinging the driving lever 1, so as to realize the function of cutting off and conducting a circuit realized by the existing switch body 4. In addition, during the movement of the shift lever 1, the elastic sealing gasket 2 deforms, and can move along with the shift lever 1, and the elastic sealing gasket 2 does not limit the movement of the shift lever 1. Meanwhile, as the deflector rod 1 passes through the second mounting hole 211 on the elastic sealing gasket 2, the deflector rod 1 and the second mounting hole 211 are matched and mounted to form a first seal, and as the elastic sealing gasket 2 is arranged in the first mounting hole 51 of the electric appliance shell 5, the elastic sealing gasket 2 and the first mounting hole 51 are matched and mounted to form a second seal, namely, the deflector rod 1 is in multi-seal connection with the electric appliance shell 5 through the elastic sealing gasket 2, so that water stains cannot enter from an assembly gap between the deflector rod 1 and the electric appliance shell 5, and waterproof protection of the switch body 4 is realized.

Referring to fig. 3-4, in the present embodiment, a second boss 22 is disposed on the elastic sealing pad 2 along the circumferential edge of the first boss 21, a second groove 52 matching with the second boss 22 is disposed on the electrical housing 5 along the circumferential edge of the first mounting hole 51, and the second boss 22 is configured to be inserted into the second groove 52; alternatively, the elastic sealing gasket 2 is provided with a second groove 52 along the circumferential edge of the first boss 21, and the electrical equipment housing 5 is provided with a second boss 22 matching with the second groove 52 along the circumferential edge of the first mounting hole 51. The upper surface of the circumference edge of the elastic sealing gasket 2 is provided with a second boss extending upwards, the bottom of the electric appliance shell 5 can be provided with a second groove 52 extending downwards, the second boss 22 can be an annular boss, the second groove 52 can be an annular groove, and the elastic sealing gasket 2 and the electric appliance shell 5 are in plug-in fit with each other through the annular boss and the annular groove, so that vertical sealing connection between the elastic sealing gasket 2 and the electric appliance shell 5 is realized, third heavy sealing is added on the basis of the double sealing, the waterproof performance of the waterproof switch is further improved, and the use requirement is better met.

In other embodiments, the second boss 22 may have a cylindrical structure, a plurality of second grooves 52 may be disposed along the circumferential edge of the elastic sealing pad 2 at intervals, and the second grooves may be disposed to match the second boss 22. The second groove is provided at the circumferential edge of the elastic packing 2, and the case of the second boss on the electric housing 5 is similar to that described above, and the description will not be repeated.

Referring to fig. 4, in the present embodiment, the first boss 21 extends axially to the outside of the electrical housing 5 to form an extension 212, and the extension 212 protrudes from the outer surface of the electrical housing 5. The middle part of the first boss 21 extends upwards to form a second extension section 212, the second extension section 212 can be of a columnar structure, the diameter of the extension section 212 is smaller and smaller than that of other parts of the first boss 21, the first boss 21 protrudes out of the outer surface of the electric appliance shell 5 through the extension section 212, the operating deflector rod 1 can be conveniently installed, and the deflector rod 1 axially penetrates through the extension section 212 and other parts of the first boss 21 downwards to be connected with the transmission assembly 3.

It should be noted that, the driving lever 1 may include a cylindrical body and a ball, a connecting groove is formed in the ball, one end of the cylindrical body is inserted into the connecting groove, an inner wall of the connecting groove may abut against an outer wall of the extension section 212, so as to enhance a sealing effect, and the other end of the cylindrical body may pass through the elastic sealing pad 2 downward.

Referring to fig. 3-5, in this embodiment, the transmission assembly 3 includes a first bracket 31, a second bracket 32, and a transmission plate 33, where the first bracket 31 and the second bracket 32 are mounted in cooperation, the first bracket 31 and/or the second bracket 32 is/are used to connect with the electrical apparatus housing 5, a third mounting hole 311 is provided on the first bracket 31, the transmission plate 33 is connected with the lever 1, the transmission plate 33 is rotatably provided in the third mounting hole 311, and the transmission plate 33 is used to swing around a direction perpendicular to an axis of the third mounting hole 311, a fourth mounting hole 321 that is in communication with the third mounting hole 311 is provided on the second bracket 32, a portion of the switch body 4 is located in the fourth mounting hole 321 and is connected with the fourth mounting hole 321 in cooperation, the switch body 4 contacts with the transmission plate 33, and the transmission plate 33 is used to swing relative to the first bracket 31 to drive the switch body 4. The first support 31 and/or the second support 32 are/is connected with the electrical apparatus casing 5 to realize that the switch body 4 is installed on the electrical apparatus casing 5, the first support 31 and the second support 32 are arranged up and down along the direction shown by the Z axis, the driving lever 1 passes through the elastic sealing gasket 2 from top to bottom, the driving plate 33 can be installed in the third installation hole 311 from bottom to top, the first support 31 provides a supporting foundation for the swinging of the driving plate 33, the driving plate 33 is fixedly connected with the lower end of the driving lever 1, the swinging axis of the driving plate 33 is along the direction shown by the X axis, the driving plate 33 can swing along the left and right direction, and the second support 32 is fixedly clamped with the switch body 4.

Specifically, when the shift lever 1 swings leftwards, the transmission plate 33 swings leftwards around the X axis along with the shift lever, the right end of the transmission plate 33 rises, the left end of the transmission plate 33 lowers, and the left end of the transmission plate 33 can press the left end of the switch body 4 such as a key switch, so that the switch body 4 is turned on; when the switching-off operation is required, the shift lever 1 swings rightward, the transmission plate 33 swings rightward along the X-axis direction, the left end of the transmission plate 33 rises, the right end of the transmission plate 33 lowers, and the right end of the transmission plate 33 can press the right end of the switch body 4 such as a key switch, thereby realizing the switching-off of the switch body 4.

Referring to fig. 3 to 4, in the present embodiment, the transmission assembly 3 further includes a first fastener 34, a third groove 331 is formed on the transmission plate 33, the driving lever 1 is inserted into the third groove 331, and the first fastener 34 passes through a bottom of the third groove 331 to be inserted into the driving lever 1; two connecting shafts 332 are arranged on the circumferential side wall of the transmission plate 33, the transmission plate 33 is in swing connection with the inner wall of the third mounting hole 311 through the connecting shafts 332, and the straight line where the two connecting shafts 332 are located is the swing axis of the transmission plate 33. The third groove 331 is matched with the shape of the lower end portion of the driving lever 1, the lower end portion of the driving lever 1 is inserted into the third groove 331 to realize the matched connection of the driving lever 1 and the driving plate 33, and the first fastener 34 is inserted into the driving lever 1 through the driving plate 33, so that the connection stability between the driving lever 1 and the driving plate 33 can be further realized. Here, the first fastener 34 may be a screw. The transmission plate 33 may be a circular plate or a square plate, the connection shafts 332 are arranged along the direction shown by the X-axis, the connection line of the two connection shafts 332 passes through the center of the third mounting hole 311, and the circumferential side wall of the transmission plate 33 is in swing connection with the inner wall of the third mounting hole 311 through the two connection shafts 332.

Referring to fig. 4, in the present embodiment, a claw 312 is disposed on the first bracket 31 along the circumferential direction of the third mounting hole 311, a clamping hole 322 is disposed on the second bracket 32 along the circumferential direction of the fourth mounting hole 321, and the claw 312 is cooperatively connected with the clamping hole 322. The claw 312 may be in a hook shape, the claw 312 passes through the clamping hole 322 and is hooked with the bottom of the second bracket 32, so as to realize the assembly connection between the first bracket 31 and the second bracket 32, and the installation mode is simple and the disassembly is convenient. The four corners of the first bracket 31 may be respectively provided with a plurality of claws 312 extending downward, the clamping holes 322 may be correspondingly provided with four claws, and the stability of connection may be further improved by the matching connection of the four claws 312 and the four clamping holes 322.

Referring to fig. 4, in the present embodiment, the transmission assembly 3 further includes a second fastening member, a first connecting post 23 is disposed on the elastic sealing pad 2 along the circumferential direction, a first connecting hole 231 is disposed on the first connecting post 23 along the axial direction, a second connecting post 323 matching with the first connecting hole 231 is disposed on the second bracket 32 along the circumferential direction of the fourth mounting hole 321, the second connecting post 323 is inserted into the first connecting hole 231, a second connecting hole 3231 is disposed on the second connecting post 323 along the axial direction, and the second fastening member is used for penetrating through the second connecting hole 3231 to connect with the electrical apparatus housing 5. Two second connecting columns 323 can be symmetrically arranged on the second support 32, and the second connecting columns 323 are inserted into the corresponding first connecting holes 231 to realize clamping fit between the second support 32 and the elastic sealing gasket 2, so that the connecting mode is simple and convenient. A second connection hole 3231 penetrating in the axial direction is provided in the second connection post 323, the second connection hole 3231 may be a threaded hole, and the second fastening member may be a screw, and the screw penetrates the threaded hole and is screwed into the electrical housing 5, so as to fix the transmission assembly 3 to the electrical housing 5.

Referring to fig. 4, in the present embodiment, a positioning blocking edge 41 is disposed on a circumferential side wall of the switch body 4 near one end of the transmission plate 33, and the switch body 4 abuts against a top wall of the fourth mounting hole 321 through the positioning blocking edge 41; and/or, the circumferential side wall of the switch body 4 is provided with an elastic deformation part 42, and the switch body 4 is abutted with the circumferential inner wall of the fourth mounting hole 321 through the elastic deformation part 42. The switch body 4 can be inserted into the fourth mounting hole 321 from top to bottom, and the switch body 4 is mounted in place by abutting the positioning stop edge 41 with the top wall of the fourth mounting hole 321, namely the upper surface of the second bracket 32, so as to limit the vertical movement of the switch body 4. The elastic deformation portion 42 may be a large V-shaped structure with an opening facing the left-right direction, when the switch body 4 is inserted into the fourth mounting hole 321 from top to bottom, the elastic deformation portion 42 is pressed towards the axis direction close to the fourth mounting hole 321, and is deformed by pressing, after the switch body is inserted in place, the elastic deformation portion 42 moves towards the axis direction far away from the fourth mounting hole to recover the deformation, so that the switch body 4 abuts against the inner wall of the fourth mounting hole 321, the switch body 4 is mounted and fixed, and the mounting mode is simple and convenient.

Referring to fig. 1-2, another embodiment of the present utility model provides an electrical apparatus, which includes an electrical apparatus housing 5 and the waterproof switch, wherein the waterproof switch is mounted on the electrical apparatus housing 5. Compared with the prior art, the electrical appliance has the advantages same as the waterproof switch and is not repeated.

Referring to fig. 1-2, in the present embodiment, the electrical apparatus further includes a knob housing 7 and a timer 6, the timer 6 is mounted on the electrical apparatus housing 5, and the knob housing 7 is connected with the timer 6. The fifth mounting hole can be arranged on the electric appliance shell 5, the timer 6 is arranged in the fifth mounting hole, and the timing operation of the electric appliance can be realized by rotating the knob shell 7.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides a waterproof switch for install on electrical apparatus casing (5), its characterized in that includes driving lever (1), elastic sealing pad (2), drive assembly (3) and switch body (4), be equipped with first mounting hole (51) on electrical apparatus casing (5), elastic sealing pad (2) are used for arranging in the inboard of electrical apparatus casing (5), elastic sealing pad (2) go up be equipped with first mounting hole (51) assorted first boss (21), first boss (21) are used for inserting in first mounting hole (51), first boss (21) be equipped with along the axial with driving lever (1) appearance assorted second mounting hole (211), the one end of driving lever (1) passes second mounting hole (211), and pass through drive assembly (3) with switch body (4) are connected.

2. The waterproof switch according to claim 1, characterized in that a second boss (22) is provided on the elastic sealing gasket (2) along a circumferential edge of the first boss (21), a second groove (52) matching with the second boss (22) is provided on the electrical housing (5) along a circumferential edge of the first mounting hole (51), and the second boss (22) is used for being inserted into the second groove (52);

or, a second groove (52) is formed in the elastic sealing gasket (2) along the circumferential edge of the first boss (21), and a second boss (22) matched with the second groove (52) is formed in the electrical appliance shell (5) along the circumferential edge of the first mounting hole (51).

3. The waterproof switch according to claim 1, characterized in that the first boss (21) extends axially to the outside of the electrical housing (5) to form an extension (212), the extension (212) protruding from the outer surface of the electrical housing (5).

4. The waterproof switch according to claim 1, wherein the transmission assembly (3) comprises a first bracket (31), a second bracket (32) and a transmission plate (33), the first bracket (31) and the second bracket (32) are mounted in a matched mode, the first bracket (31) and/or the second bracket (32) is/are used for being connected with the electric appliance shell (5), a third mounting hole (311) is formed in the first bracket (31), the transmission plate (33) is connected with the deflector rod (1), the transmission plate (33) is rotatably arranged in the third mounting hole (311), the transmission plate (33) is used for swinging around the direction perpendicular to the axis of the third mounting hole (311), a fourth mounting hole (321) communicated with the third mounting hole (311) is formed in the second bracket (32), a part of the switch body (4) is located in the fourth mounting hole (321) and is connected with the fourth mounting hole (321) in a matched mode, and the switch body (4) is connected with the transmission plate (33) in a mode, and the transmission plate (33) is in a mode that the switch body (4) is in contact with the transmission plate (33).

5. The waterproof switch according to claim 4, wherein the transmission assembly (3) further comprises a first fastener (34), a third groove (331) is formed in the transmission plate (33), the deflector rod (1) is inserted into the third groove (331), and the first fastener (34) passes through the groove bottom of the third groove (331) to be inserted into the deflector rod (1); two connecting shafts (332) are arranged on the circumferential side wall of the transmission plate (33), the transmission plate (33) is connected with the inner wall of the third mounting hole (311) in a swinging mode through the connecting shafts (332), and the straight line where the two connecting shafts (332) are located is the swinging axis of the transmission plate (33).

6. The waterproof switch according to claim 4, wherein a claw (312) is provided on the first bracket (31) along the circumferential direction of the third mounting hole (311), a clamping hole (322) is provided on the second bracket (32) along the circumferential direction of the fourth mounting hole (321), and the claw (312) is cooperatively connected with the clamping hole (322).

7. The waterproof switch according to claim 4, wherein the transmission assembly (3) further comprises a second fastener, a first connecting post (23) is arranged in the circumferential direction of the elastic sealing gasket (2), a first connecting hole (231) is arranged in the axial direction of the first connecting post (23), a second connecting post (323) matched with the first connecting hole (231) is arranged in the circumferential direction of the fourth mounting hole (321) on the second bracket (32), the second connecting post (323) is inserted into the first connecting hole (231), a second connecting hole (3231) is arranged in the axial direction of the second connecting post (323), and the second fastener is used for penetrating through the second connecting hole (3231) to be connected with the electric appliance shell (5).

8. The waterproof switch according to claim 4, characterized in that a positioning blocking edge (41) is arranged on a circumferential side wall of the switch body (4) close to one end of the transmission plate (33), and the switch body (4) is abutted with the top wall of the fourth mounting hole (321) through the positioning blocking edge (41);

and/or, the circumferential side wall of the switch body (4) is provided with an elastic deformation part (42), and the switch body (4) is abutted with the circumferential inner wall of the fourth mounting hole (321) through the elastic deformation part (42).

9. An electric appliance comprising an electric appliance housing (5) and a waterproof switch according to any one of claims 1 to 8, said waterproof switch being mounted on said electric appliance housing (5).

10. The appliance according to claim 9, further comprising a knob housing (7) and a timer (6), the timer (6) being mounted on the appliance housing (5), and the knob housing (7) being connected to the timer (6).