CN217130404U

CN217130404U - Switching device

Info

Publication number: CN217130404U
Application number: CN202221037259.XU
Authority: CN
Inventors: 林方棋; 胡力宏; 陈文兴
Original assignee: Zhangzhou Solex Smart Home Co Ltd
Current assignee: Zhangzhou Solex Smart Home Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-05
Anticipated expiration: 2032-04-28
Also published as: WO2023206734A1

Abstract

The utility model relates to a bathroom technical field provides a auto-change over device, include: the shell is provided with a water inlet joint, a first water outlet joint and a second water outlet joint; the valve seat is arranged in the shell and is respectively communicated with the first water outlet connector and the second water outlet connector; the switching component is partially arranged in the shell in a penetrating way and abutted against the valve seat, the water inlet joint is communicated with the valve seat through the switching component, and the switching component is configured to be capable of rotating relative to the shell so that the water inlet joint is selectively communicated with the first water outlet joint and the second water outlet joint; the retaining member sets up in the casing, and the retaining member can be dismantled and connect in the disk seat and keep away from the one end of switching subassembly and butt in the inner wall of casing for fixed between disk seat, the casing. Can dismantle the one end and the butt in the inner wall of casing of connecting to keep away from switching subassembly in the disk seat through the retaining member, realize fixing between disk seat, the casing to need not other structures with disk seat, casing fixed assembly together, simple structure is convenient for install fast and is dismantled, reduces assembly cost.

Description

Switching device

Technical Field

The utility model relates to a bathroom technical field especially relates to a auto-change over device.

Background

In the related art, when the switching device fixes the valve seat and the shell, other auxiliary structures are needed, the number of required parts is large, the structure is complex, the assembly efficiency is influenced, and the assembly cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a switching device is convenient for install and dismantle, improves assembly efficiency.

According to an aspect of the utility model, a switching device is provided, include:

the water outlet device comprises a shell, wherein a water inlet joint, a first water outlet joint and a second water outlet joint are arranged on the shell, and the shell, the water inlet joint, the first water outlet joint and the second water outlet joint are of an integrated injection molding structure;

the valve seat is arranged in the shell and is respectively communicated with the first water outlet joint and the second water outlet joint;

the switching component is partially arranged in the shell in a penetrating way and abutted against the valve seat, the water inlet connector is communicated with the valve seat through the switching component, and the switching component is configured to be capable of rotating relative to the shell so that the water inlet connector is selectively communicated with the first water outlet connector and the second water outlet connector;

retaining member, set up in the casing, the retaining member can dismantle connect in the disk seat is kept away from switching component's one end and butt in the inner wall of casing is used for the disk seat fixed between the casing.

In an embodiment of the present invention, the locking member includes:

the connecting part is partially sleeved outside the valve seat and is in threaded connection with the valve seat;

the pressing portion is connected to the connecting portion, a limiting table is arranged on the inner wall of the shell, and the pressing portion abuts against the limiting table.

In an embodiment of the present invention, the locking member is made of a plastic material.

The utility model discloses an in an embodiment, still include the body, the body set up in the casing, the disk seat with switching component wears to locate respectively the both ends of body, the body is provided with first grooving, middle grooving and second grooving, first grooving communicate in water supply connector, the second grooving communicate in first water connectors, middle grooving communicate in second water connectors.

In an embodiment of the present invention, one end of the body away from the switching component and one of the shells is provided with a positioning protrusion, and the other is provided with a positioning groove, wherein the positioning protrusion is disposed in the positioning groove.

In an embodiment of the present invention, a first water outlet channel is disposed in the valve seat along an axial direction thereof, the valve seat is provided with a first ring groove along a radial direction thereof, one end of the first water outlet channel can be communicated with the switching component, and the other end is communicated with the first ring groove, the first ring groove is communicated with the first water outlet joint through the second cutting groove.

In an embodiment of the present invention, a second water outlet channel is disposed in the valve seat along the axial direction thereof, the valve seat is provided with a second ring groove along the radial direction thereof, one end of the second water outlet channel can be communicated with the switching component, and the other end is communicated with the second ring groove, and the second ring groove is communicated with the second water outlet joint through the middle cutting groove.

In an embodiment of the present invention, the switching component includes a switching valve core, a water supply channel is disposed in the switching valve core, the water supply channel is communicated with the water inlet joint, and the water supply channel is selectively communicated with the first water outlet channel and the second water outlet channel.

In an embodiment of the present invention, the switching component further includes:

the handle is sleeved outside the switching valve core;

the gland is sleeved outside the switching valve core, arranged between the switching valve core and the handle, and arranged between the switching valve core and the body.

In an embodiment of the present invention, the gland is threadedly connected to the body.

The utility model discloses auto-change over device is provided with water supply connector, first water connectors and second water connectors through on the casing, and water supply connector is used for intaking, and first water connectors and second water connectors are used for going out water, form two different water routes. The water inlet connector is communicated with the valve seat through the switching assembly, so that water introduced from the water inlet connector enters the valve seat through the switching assembly, the switching assembly is configured to be capable of rotating relative to the shell, the water inlet connector is selectively communicated with the first water outlet connector and the second water outlet connector, and switching of two water outlet paths is achieved. Can dismantle the one end and the butt in the inner wall of casing of connecting to keep away from switching subassembly in the disk seat through the retaining member, realize fixing between disk seat, the casing to need not other structures with disk seat, casing fixed assembly together, simple structure is convenient for install fast and is dismantled, reduces assembly cost. The shell, the water inlet connector, the first water outlet connector and the second water outlet connector are arranged to form an integrated injection molding structure. Adopt integration injection moulding structure, can save water route connection and connect, reduce the assembly part and can realize the water route intercommunication to reach reduce cost's purpose.

Drawings

For a better understanding of the present disclosure, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may be arranged differently as is known in the art. Further, in the drawings, like reference characters designate the same or similar parts throughout the several views. Wherein:

FIG. 1 is a schematic diagram illustrating the structure of a switching device according to an exemplary embodiment;

FIG. 2 is an exploded schematic view of a switching device according to an exemplary embodiment;

FIG. 3 is a cross-sectional view of a switching device shown in accordance with an exemplary embodiment;

FIG. 4 is a schematic diagram illustrating the structure of a body in a switching apparatus according to one exemplary embodiment;

FIG. 5 is a schematic diagram illustrating the construction of a valve seat in a switching device according to an exemplary embodiment;

FIG. 6 is a schematic diagram illustrating the state of water output from the first water outlet fitting in a switching device according to an exemplary embodiment;

fig. 7 is a schematic diagram illustrating a state of water outflow from the second water outlet joint in the switching device according to an exemplary embodiment.

The reference numerals are explained below:

1. a housing; 2. a valve seat; 3. a switching component; 4. a locking member; 5. a body; 6. a first seal ring; 7. a second seal ring; 8. a third seal ring;

11. a water inlet joint; 12. a first water outlet joint; 13. a second water outlet joint;

21. a first water outlet channel; 22. a first ring groove; 23. a second water outlet channel; 24. a second ring groove; 25. External thread teeth;

31. switching the valve core; 311. a water supply channel; 32. a handle; 33. a gland;

41. a connecting portion; 42. a pressing part;

51. a first cut groove; 52. cutting a groove in the middle; 53. a second cut groove; 54. a positioning groove; 55. the internal thread teeth.

Detailed Description

The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.

In the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, reference to "the" object or "an" object is also intended to mean one of many such objects possible.

The terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, an electrical connection, or a signal connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood by those skilled in the art as the case may be.

Further, in the description of the present disclosure, it is to be understood that the directional words "upper", "lower", "inner", "outer", etc., which are described in the exemplary embodiments of the present disclosure, are described at the angles shown in the drawings, and should not be construed as limiting the exemplary embodiments of the present disclosure. It will also be understood that, in this context, when an element or feature is referred to as being "on", "under", or "inner", "outer" with respect to another element(s), it can be directly on "," under ", or" inner "," outer "with respect to the other element(s), or indirectly on", "under", or "inner", "outer" with respect to the other element(s) via intervening elements.

An embodiment of the present invention provides a switching device, please refer to fig. 1 to 3, which includes a housing 1, a valve seat 2, a switching component 3 and a locking member 4, wherein the housing 1 is provided with a water inlet joint 11, a first water outlet joint 12 and a second water outlet joint 13. The valve seat 2 is disposed in the housing 1 and is respectively communicated with the first water outlet connector 12 and the second water outlet connector 13. The switching component 3 is partially arranged in the housing 1 in a penetrating manner and abutted against the valve seat 2, the water inlet joint 11 is communicated with the valve seat 2 through the switching component 3, and the switching component 3 is configured to be capable of rotating relative to the housing 1, so that the water inlet joint 11 is selectively communicated with the first water outlet joint 12 and the second water outlet joint 13. Retaining member 4 sets up in casing 1, and retaining member 4 can be dismantled and connect in the one end that switching component 3 was kept away from to disk seat 2 and butt in the inner wall of casing 1 for fixed between disk seat 2, the casing 1.

In the switching device provided in this embodiment, the housing 1 is provided with the water inlet joint 11, the first water outlet joint 12 and the second water outlet joint 13, the water inlet joint 11 is used for water inlet, and the first water outlet joint 12 and the second water outlet joint 13 are used for water outlet, so as to form two different water outlet paths. The water inlet connector 11 is communicated with the valve seat 2 through the switching component 3, so that water introduced from the water inlet connector 11 enters the valve seat 2 through the switching component 3, the switching component 3 is configured to be capable of rotating relative to the housing 1, so that the water inlet connector 11 is selectively communicated with the first water outlet connector 12 and the second water outlet connector 13, and switching of two water outlet paths is realized. Can dismantle through retaining member 4 and connect in the one end that switching component 3 was kept away from to disk seat 2 and butt in casing 1's inner wall, realize fixing between disk seat 2, the casing 1 to need not other structures with disk seat 2, casing 1 fixed assembly together, simple structure is convenient for install fast and is dismantled, reduces assembly cost.

In one embodiment, the housing 1, the water inlet joint 11, the first water outlet joint 12 and the second water outlet joint 13 are an integrated injection molding structure. Adopt integration injection moulding structure, can save water route connection and connect, reduce the assembly part and can realize the water route intercommunication to reach reduce cost's purpose.

It can be understood that the outer walls of the water inlet joint 11, the first water outlet joint 12 and the second water outlet joint 13 are provided with external threads, so that the water inlet joint, the first water outlet joint and the second water outlet joint are directly connected with a water pipeline conveniently, the water pipeline connecting joints do not need to be additionally arranged, the structure is simplified, and the use is convenient.

In one embodiment, the locking member 4 is made of a plastic material, the locking member 4 is a plastic nut, and the locking member 4 is of an injection plasticizing structure, so that the structure is simple and the production cost is low. Simultaneously, retaining member 4 and casing 1 all adopt the plastics material to make, and when both cooperate, the compatibility is better.

Specifically, the locking member 4 includes a connecting portion 41 and a pressing portion 42, the connecting portion 41 is partially sleeved outside the valve seat 2, and the connecting portion 41 is screwed to the valve seat 2. Wherein, the inner wall of disk seat 2 is provided with the internal thread, and the outer wall that disk seat 2 kept away from the one end of switching module 3 is provided with external screw thread tooth 25, and external screw thread tooth 25 threaded connection realizes the connection of dismantling between retaining member 4 and the disk seat 2 in the internal thread, the installation and the dismantlement of the disk seat 2 of being convenient for. Compress tightly portion 42 and connect in connecting portion 41, compress tightly portion 42 specifically is connecting portion 41 along the protruding annular boss of establishing in its edge, the inner wall of casing 1 is provided with spacing platform, the butt of portion 42 that compresses tightly in spacing platform, spacing platform plays when following the spacing effect of casing 1 axial direction to portion 42 that compresses tightly, utilize the butt between portion 42 and the spacing platform that compresses tightly, realize locking and fixing between casing 1 and the disk seat 2, in order to guarantee the fixed effect of disk seat 2 for casing 1, the sound construction is just reliable.

In one embodiment, the switching device further comprises a first sealing ring 6, the first sealing ring 6 is sleeved outside the locking member 4, the first sealing ring 6 is arranged between the shell 1 and the locking member 4, the first sealing ring 6 realizes sealing between the inner wall of the shell 1 and the locking member 4, leakage is avoided, and sealing performance is good.

In one embodiment, as shown in fig. 2-4, the switching device further includes a body 5, the body 5 is similar to a cylinder structure, the body 5 is disposed in the housing 1, the valve seat 2 and the switching assembly 3 are respectively disposed at two ends of the body 5, the body 5 is provided with a first slot 51, an intermediate slot 52 and a second slot 53, the first slot 51 is communicated with the water inlet joint 11, the second slot 53 is communicated with the first water outlet joint 12, and the intermediate slot 52 is communicated with the second water outlet joint 13.

Set up in casing 1 through setting up body 5, body 5 is worn to locate respectively at the both ends of body 5 with switch module 3 to disk seat 2, body 5 sets up between casing 1 and disk seat 2 promptly, realize the isolation between casing 1 and the disk seat 2, play the effect of protection disk seat 2, body 5 sets up between casing 1 and switch module 3, realize the isolation between casing 1 and the switch module 3, play the effect of protection switch module 3, when avoiding switch module 3 frequently rotatory for casing 1, switch module 3 is to the more serious condition of wearing and tearing of casing 1.

Specifically, the center of the body 5 is provided with a central through hole, the central through hole is respectively communicated with the first cutting groove 51, the middle cutting groove 52 and the second cutting groove 53, the first cutting groove 51 is arranged on one side of the body 5 close to the switching component 3, the first cutting groove 51 is a gap relative to the upper position of the body 5, the first cutting groove 51 is communicated with the water inlet joint 11, water flowing through the water inlet joint 11 enters the central through hole through the first cutting groove 51, and the central through hole plays a role of storing water.

A second slot 53 is arranged on the side of the body 5 far away from the switching component 3, the second slot 53 is corresponding to the gap of the lower position of the body 5, and is communicated with the first water outlet joint 12 through the second slot 53, water temporarily stored in the central through hole can enter the first water outlet joint 12 through the second slot 53,

the middle cutting groove 52 of the body 5 is an annular groove structure arranged at the middle position of the body 5, and is communicated with the second water outlet joint 13 through the middle cutting groove 52, and water temporarily stored in the central through hole can enter the second water outlet joint 13 through the middle cutting groove 52.

In one embodiment, one of the end of the body 5 away from the switching assembly 3 and the housing 1 is provided with a positioning protrusion, and the other is provided with a positioning groove 54, and the positioning protrusion is disposed in the positioning groove 54. Through mutually supporting of location arch and positioning groove 54, realize spacing between body 5 and the casing 1, avoid body 5 to appear the condition of relative rotation for casing 1.

In one embodiment, as shown in fig. 3 and 5, a first water outlet channel 21 is disposed in the valve seat 2 along the axial direction thereof, a first annular groove 22 is disposed in the valve seat 2 along the radial direction thereof, one end of the first water outlet channel 21 can be communicated with the switching assembly 3, the other end is communicated with the first annular groove 22, and the first annular groove 22 is communicated with the first water outlet connector 12 through the second cutting groove 53.

The first water outlet channel 21 is arranged in the valve seat 2 along the axial direction of the valve seat, so that the first water outlet channel 21 can receive water flowing out of the switching assembly 3, the first annular groove 22 is arranged in the valve seat 2 along the radial direction of the valve seat, the first annular groove 22 has the function of switching a flow channel path to realize butt joint with the first water outlet joint 12, then the water flowing out of the first water outlet channel 21 enters the first annular groove 22, the second cutting groove 53 of the body 5 has the function of avoiding, so that the water flowing through the first annular groove 22 enters the first water outlet joint 12 through the second cutting groove 53 to realize water outlet of the first water outlet joint 12.

In one embodiment, a second water outlet channel 23 is disposed in the valve seat 2 along the axial direction thereof, a second annular groove 24 is disposed in the valve seat 2 along the radial direction thereof, one end of the second water outlet channel 23 can be communicated with the switching assembly 3, the other end is communicated with the second annular groove 24, and the second annular groove 24 is communicated with the second water outlet joint 13 through the middle cutting groove 52.

The second water outlet channel 23 is arranged in the valve seat 2 along the axial direction of the valve seat, so that the second water outlet channel 23 can receive water flowing out of the switching component 3, the second annular groove 24 is arranged in the valve seat 2 along the radial direction of the valve seat, the second annular groove 24 has the function of switching a flow channel path to realize butt joint with the second water outlet joint 13, then the water flowing out of the second water outlet channel 23 enters the second annular groove 24, the middle cutting groove 52 of the body 5 has the function of avoiding, so that the water flowing through the second annular groove 24 enters the second water outlet joint 13 through the middle cutting groove 52, and the water flowing out of the second water outlet joint 13 is realized.

In one embodiment, a second sealing ring 7 is provided between the body 5 and the housing 1 to achieve a sealing effect between the body 5 and the housing 1. The number of the second sealing rings 7 is three, the three second sealing rings 7 are respectively arranged at the upper end, the middle end and the lower end of the body 5 in the axial direction, wherein two second sealing rings 7 are respectively arranged at two sides of the first cutting groove 51, and the function of separating a water path is achieved. A third sealing ring 8 is arranged between the body 5 and the valve seat 2 to achieve a sealing effect between the body 5 and the valve seat 2. Wherein, the quantity of third sealing washer 8 is two, and two third sealing washers 8 set up respectively in the both sides of the second ring groove 24 of disk seat 2, play the effect of separating the water route.

In one embodiment, as shown in fig. 2-3, the switching assembly 3 includes a switching valve core 31, a water supply channel 311 is disposed in the switching valve core 31, the water supply channel 311 is communicated with the water inlet joint 11, and the water supply channel 311 is selectively communicated with the first water outlet channel 21 and the second water outlet channel 23. The switching valve core 31 is a conventional switching valve core with two water inlets and two water outlets on the conventional side, and thus, the detailed description thereof is omitted.

Specifically, a water supply channel 311 is provided in the switching valve core 31, one end of the water supply channel 311 is provided with a water inlet, the other end is provided with two water outlets, the water inlet of the water supply channel 311 is provided on the side wall of the switching valve core 31, the end surface of the switching valve core 31 and the end surface of the valve core seat are abutted against each other, and the two water outlets of the water supply channel 311 can be respectively communicated with the first water outlet channel 21 and the second water outlet channel 23 of the valve seat 2. One water outlet is communicated with the first water outlet channel 21 by rotating the switching valve core 31, and the other water outlet is blocked from the second water outlet channel 23, namely the first water outlet channel 21 is in a closed state, and the second water outlet channel 23 is in an open state; or one of the water outlets is blocked from the first water outlet channel 21, and the other water outlet is communicated with the second water outlet channel 23, namely, the first water outlet channel 21 is in an open circuit state, and the second water outlet channel 23 is in a closed circuit state.

In one embodiment, the switch assembly 3 further includes a handle 32 and a gland 33, the handle 32 is disposed outside the switch valve core 31, the gland 33 is disposed between the switch valve core 31 and the handle 32, and the gland 33 is disposed between the switch valve core 31 and the body 5. The handle 32 is sleeved outside the switching valve core 31, the handle 32 can drive the switching valve core 31 to rotate relative to the shell 1, so that the water outlet switching function is realized, and the handle 32 is utilized to provide great convenience for the rotation of the switching valve core 31. The gland 33 is arranged between the switching valve core 31 and the handle 32, the gland 33 is used for pressing the switching valve core 31 along the axial direction of the shell 1, the gland 33 is arranged between the valve core and the body 5, and the gland 33 is used for pressing the switching valve core 31 along the radial direction of the shell 1, so that the position stability of the switching valve core 31 is ensured.

In one embodiment, the gland 33 is threaded to the body 5. Specifically, an internal thread 55 is arranged on the inner wall of the body 5, an external thread is arranged on the outer wall of the gland 33, and the external thread of the gland 33 is connected with the internal thread 55 of the body 5 in a threaded manner, so that the switching valve core 31 is locked under the matching action of the body 5 and the gland 33.

The working principle of the switching device provided by the embodiment is as follows:

as shown in fig. 6, after the switching valve core 31 is rotated, water in the water inlet joint 11 enters the water supply channel 311 of the switching valve core 31 through the first cutting groove 51 of the body 5, one water outlet in the switching valve core 31 is communicated with the first water outlet channel 21, the other water outlet is blocked from the second water outlet channel 23, namely, the first water outlet channel 21 is in a passage state, the second water outlet channel 23 is in a cut-off state, so that the first water outlet channel 21 can receive water flowing out from the water supply channel 311 of the switching valve core 31, then the water flowing out from the first water outlet channel 21 enters the first annular groove 22, the second cutting groove 53 of the body 5 plays a role of avoiding, and the water flowing through the first annular groove 22 enters the first water outlet joint 12 through the second cutting groove 53, so as to realize water outlet of the first water outlet joint 12.

As shown in fig. 7, when switching is required, the switching valve core 31 is continuously rotated, water in the water inlet joint 11 enters the water supply channel 311 of the switching valve core 31 through the first cutting groove 51 of the body 5, and the other water outlet in the switching valve core 31 is communicated with the second water outlet channel 23, that is, the first water outlet channel 21 is in a disconnected state, the second water outlet channel 23 is in a connected state, so that the second water outlet channel 23 can receive water flowing out from the water supply channel 311 of the switching valve core 31, and then the water flowing out from the second water outlet channel 23 enters the second annular groove 24, and the intermediate cutting groove 52 of the body 5 plays a role of avoiding, so that the water flowing through the second annular groove 24 enters the second water outlet joint 13 through the intermediate cutting groove 52, so as to realize water outlet of the second water outlet joint 13.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and example embodiments be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A switching device, comprising:

the water-saving water dispenser comprises a shell (1), wherein a water inlet joint (11), a first water outlet joint (12) and a second water outlet joint (13) are arranged on the shell (1), and the shell (1), the water inlet joint (11), the first water outlet joint (12) and the second water outlet joint (13) are of an integrated injection molding structure;

the valve seat (2) is arranged in the shell (1) and is respectively communicated with the first water outlet joint (12) and the second water outlet joint (13);

the switching component (3) is partially arranged in the shell (1) in a penetrating way and abutted against the valve seat (2), the water inlet joint (11) is communicated with the valve seat (2) through the switching component (3), and the switching component (3) is configured to be capable of rotating relative to the shell (1) so that the water inlet joint (11) is selectively communicated with the first water outlet joint (12) and the second water outlet joint (13);

retaining member (4), set up in casing (1), retaining member (4) can dismantle connect in disk seat (2) are kept away from the one end and the butt of switching module (3) in the inner wall of casing (1), be used for disk seat (2) fixed between casing (1).

2. The switching device according to claim 1, characterized in that said locking member (4) comprises:

the connecting part (41) is partially sleeved outside the valve seat (2), and the connecting part (41) is connected to the valve seat (2) in a threaded mode;

the pressing portion (42) is connected to the connecting portion (41), a limiting table is arranged on the inner wall of the shell (1), and the pressing portion (42) abuts against the limiting table.

3. The switching device according to claim 1, characterized in that said locking element (4) is made of plastic material.

4. The switching device according to any one of claims 1 to 3, further comprising a body (5), wherein the body (5) is disposed in the housing (1), the valve seat (2) and the switching assembly (3) are respectively disposed through two ends of the body (5), the body (5) is provided with a first slot (51), an intermediate slot (52) and a second slot (53), the first slot (51) is communicated with the water inlet connector (11), the second slot (53) is communicated with the first water outlet connector (12), and the intermediate slot (52) is communicated with the second water outlet connector (13).

5. The switching device according to claim 4, wherein one of the end of the body (5) remote from the switching assembly (3) and the housing (1) is provided with a positioning projection, and the other is provided with a positioning groove (54), the positioning projection being disposed in the positioning groove (54).

6. The switching device according to claim 5, wherein a first water outlet channel (21) is arranged in the valve seat (2) along the axial direction thereof, the valve seat (2) is provided with a first annular groove (22) along the radial direction thereof, one end of the first water outlet channel (21) is capable of communicating with the switching assembly (3), the other end of the first water outlet channel is communicated with the first annular groove (22), and the first annular groove (22) is communicated with the first water outlet joint (12) through the second cutting groove (53).

7. The switching device according to claim 6, characterized in that a second water outlet channel (23) is arranged in the valve seat (2) along the axial direction thereof, the valve seat (2) is provided with a second annular groove (24) along the radial direction thereof, one end of the second water outlet channel (23) can be communicated with the switching assembly (3), the other end is communicated with the second annular groove (24), and the second annular groove (24) is communicated with the second water outlet joint (13) through the intermediate notch (52).

8. The switching device according to claim 7, wherein the switching assembly (3) comprises a switching valve core (31), a water supply passage (311) is arranged in the switching valve core (31), the water supply passage (311) is communicated with the water inlet joint (11), and the water supply passage (311) is selectively communicated with the first water outlet passage (21) and the second water outlet passage (23).

9. The switching device according to claim 8, wherein the switching assembly (3) further comprises:

a handle (32) sleeved outside the switching valve core (31);

the gland (33) is sleeved outside the switching valve core (31), the gland (33) is arranged between the switching valve core (31) and the handle (32), and the gland (33) is arranged between the switching valve core (31) and the body (5).

10. The switching device according to claim 9, wherein the gland (33) is screwed to the body (5).