CN220204747U

CN220204747U - Water diversion valve and dish washing machine

Info

Publication number: CN220204747U
Application number: CN202321145622.4U
Authority: CN
Inventors: 任富佳; 赵承; 代治举; 贺晓帆
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-12-19
Anticipated expiration: 2033-05-12

Abstract

The utility model relates to the technical field of dish washers and discloses a water diversion valve and a dish washer, wherein the water diversion valve comprises a valve body structure and a driving mechanism, the valve body structure comprises a valve body and a valve core assembly, the valve body is provided with a valve cavity, a water inlet, a first water outlet and a second water outlet which are communicated with the valve cavity are arranged on the valve body, the water inlet is communicated with the first water outlet to form a first waterway, and the water inlet is communicated with the second water outlet to form a second waterway; the valve core assembly is arranged in the valve cavity in a moving mode along the axial direction of the valve cavity, the output end of the driving mechanism is detachably connected with the valve core assembly, and the driving mechanism is configured to drive the valve core assembly to move between a first position communicated with the second waterway and blocking the first waterway and a second position communicated with the first waterway and blocking the second waterway. The valve body structure and the driving mechanism of the water diversion valve are separate components, the valve body structure and the driving mechanism are detachably connected, any part is maintained, the other part is not required to be removed, and the maintenance is convenient.

Description

Water diversion valve and dish washing machine

Technical Field

The utility model relates to the technical field of dish washers, in particular to a water diversion valve and a dish washer.

Background

Along with the continuous improvement of the living standard of people, the requirements of people on the living quality are also continuously improved. Dish washers are becoming accepted as a kitchen appliance that can significantly improve quality of life. The dish washer is a kitchen appliance for automatically washing dishes such as bowls, chopsticks, plates, dishes, cutlery and the like.

Because there are many lines in the dishwasher, it would take more water to open all lines at the same time. In general, a water diversion valve is provided in a dishwasher for diverting wash water pumped by a wash pump to different sprayers to achieve an energy saving effect.

The shunt valve of current dish washer includes the valve body structure, is provided with the shunt dish in the valve body structure, and it is rotatory to drive the shunt dish through actuating mechanism to sealed corresponding water route inlet opening, actuating mechanism sets up on the valve body structure generally, when the maintenance, needs to dismantle whole shunt valve, and the maintenance is comparatively inconvenient.

Disclosure of Invention

The utility model aims to provide a water diversion valve and a dish washing machine, and solves the problem that the water diversion valve of the existing dish washing machine is inconvenient to maintain.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a water diversion valve, which comprises a valve body structure and a driving mechanism, wherein the valve body structure comprises:

the valve body is provided with a valve cavity, a water inlet, a first water outlet and a second water outlet which are communicated with the valve cavity are arranged on the valve body, the water inlet is communicated with the first water outlet to form a first waterway, and the water inlet is communicated with the second water outlet to form a second waterway;

the valve core assembly is arranged in the valve cavity in a moving mode along the axial direction of the valve cavity, the output end of the driving mechanism is detachably connected with the valve core assembly, and the driving mechanism is configured to drive the valve core assembly to move between a first position communicated with the second waterway and blocking the first waterway and a second position communicated with the first waterway and blocking the second waterway.

The output end of the driving mechanism of the shunt valve is detachably connected with the valve core assembly, the valve core assembly is driven by the driving mechanism to move in the valve body so as to move between a first position for communicating with the second waterway and blocking the first waterway and a second position for communicating with the first waterway and blocking the second waterway, the valve body structure of the shunt valve and the driving mechanism are separate components, any part is not required to be removed, and the shunt valve is convenient to maintain.

As a preferable aspect of the above water diversion valve, the valve core assembly includes:

the valve core is movably arranged in the valve cavity along the axial direction of the valve cavity; and

And one end of the power transmission assembly extends into the valve cavity from the first end of the valve body and is connected with the valve core, the other end of the power transmission assembly is detachably connected with the driving mechanism, and the driving mechanism is configured to drive the power transmission assembly to move so as to drive the valve core to move between the first position and the second position.

The valve core assembly drives the valve core to move along the axial direction of the valve cavity through the power transmission assembly so as to realize the switching of the valve core at different positions.

As a preferable mode of the above-described water diversion valve, the power transmission assembly includes:

the inside of the pull rod is of a cavity structure, one end of the pull rod extends into the valve body and is connected with the valve core, and the other end of the pull rod is provided with an opening structure; and

One end of the pull rope stretches into the pull rod from the opening structure and is connected with one end of the pull rod stretching into the valve body, and the other end of the pull rope is detachably connected with the output end of the driving mechanism.

The valve core is pulled by using the two parts of the pull rod and the pull rope, so that the influence of unnecessary friction force of the belt caused by the pulling angle of the installation position can be reduced.

As a preferable aspect of the above water diversion valve, the valve core assembly further includes:

the elastic reset piece is arranged between the valve core and the first end of the valve body and is used for driving the valve core to return to the first position from the second position.

The elastic reset piece is used for driving the valve core to return to the first position from the second position so as to realize automatic reset of the valve core, and the structure is simpler.

As a preferable scheme of the water diversion valve, the valve body comprises a main body, a sealing cover is arranged at the first end of the main body, a valve cover is arranged at the second end of the main body,

the valve cover is provided with the first water outlet, the main body is provided with the water inlet and the second water outlet, and the water inlet is arranged between the first water outlet and the second water outlet;

the sealing cover is provided with a penetrating hole, and the power transmission assembly extends into the valve body from the penetrating hole.

The valve body is simple in structure and easy to prepare.

the elastic water-proof cover is arranged in the valve cavity, one end of the elastic water-proof cover is connected with the valve core, the circumference of the other end of the elastic water-proof cover is in sealing connection with the first end of the main body, the valve core, the elastic water-proof cover and the sealing cover form a water-proof cavity, and the power transmission assembly stretches into the water-proof cavity.

The elastic water-proof cover makes the first end of the valve core, the elastic water-proof cover and the valve body enclose into a water-proof cavity, the tractor stretches into the water-proof cavity, the sealing effect of the water-proof valve is better, the phenomenon of water leakage can not occur when the tractor drives the power transmission assembly to drive the valve core to move along the axial direction of the valve cavity, no water pressure loss exists, the flushing force is improved, and the cleaning rate is enhanced.

As a preferable mode of the water diversion valve, a sealing structure is arranged between the power transmission assembly and the main body, and the sealing cover is propped against the sealing structure.

The power transmission assembly is sealed with the main body through the sealing structure, so that the phenomenon of water leakage of the power transmission assembly in the moving process is avoided; the sealing cover is propped against the sealing structure, plays a role in limiting the sealing structure and prevents the sealing structure from being separated from the sealing position.

As a preferable mode of the above-described water diversion valve, the driving mechanism includes:

a housing;

the transmission assembly is arranged in the shell, and the free end of the pull rope is hung at the output end of the transmission assembly; and

The output end of the driving motor stretches into the shell and is in transmission connection with the transmission assembly, and the driving motor drives the transmission assembly to act so as to pull the pull rope.

The traction device drives the transmission assembly to act through the driving motor so as to pull the pull rope to follow up, thereby realizing automatic driving of the valve core.

As a preferred aspect of the above diverter valve, the transmission assembly includes:

the driving wheel and the driven wheel are rotatably arranged in the shell, the driven wheel is meshed with the driving wheel, the driving wheel is arranged at the output end of the driving motor to drive the driving wheel to rotate, a hanging column is arranged on the driven wheel, and the free end of the pull rope is hung on the hanging column;

the driving mechanism further comprises a micro switch, the micro switch is arranged in the shell, a limiting table is arranged on the circumference of the driving wheel, and the limiting table is configured to trigger the switch of the micro switch.

The transmission component drives the free end of the pull rope to pull through the cooperation of the driving wheel and the driven wheel, so that the valve core is driven to move, and the transmission mode is stable in transmission; and the switch of the micro switch can be triggered through the cooperation of the limit table in the circumferential direction of the driving wheel and the micro switch.

The utility model also provides a dish washer which comprises the water diversion valve.

The dish washer is more convenient to maintain through the water diversion valve.

The utility model has the beneficial effects that:

the output end of the driving mechanism of the water diversion valve is detachably connected with the valve core assembly, the valve core assembly is driven by the driving mechanism to move in the valve body so as to move between a first position for communicating with the second waterway and blocking the first waterway and a second position for communicating with the first waterway and blocking the second waterway, the valve body structure of the water diversion valve and the driving mechanism are both independent components, any part is maintained, the other part is not required to be removed, and the maintenance is convenient.

The dish washer provided by the utility model is more convenient to maintain through the water diversion valve.

Drawings

FIG. 1 is a schematic view of a diverter valve according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view I of a valve element of a diverter valve according to a first embodiment of the present utility model in a first position;

FIG. 3 is a second cross-sectional view of the valve element of the diverter valve according to the first embodiment of the present utility model in the first position;

FIG. 4 is a cross-sectional view of a spool of a diverter valve provided in accordance with a first embodiment of the present utility model in a second position;

FIG. 5 is a cross-sectional view of a valve body structure provided in accordance with a first embodiment of the present utility model;

FIG. 6 is a schematic view of another diverter valve according to one embodiment of the present utility model;

FIG. 7 is a cross-sectional view of another diverter valve provided in accordance with a first embodiment of the present utility model;

FIG. 8 is an exploded view of another diverter valve according to one embodiment of the present utility model;

fig. 9 is a cross-sectional view of a valve body structure according to a second embodiment of the present utility model.

In the figure:

100. a valve body structure; 200. a driving mechanism;

1. a valve body; 11. a main body; 12. sealing cover; 13. a valve cover; 131. a first water outlet; 132. a valve cover main body; 133. bending the pipe; 111. a water inlet; 112. a second water outlet; 113. a limit structure; 14. a seal ring;

21. a valve core; 22. a power transmission assembly; 221. a pull rod; 222. a pull rope; 2221. a hook; 23. an elastic water-blocking cover; 231. a flanging structure; 24. a sealing structure;

3. an elastic reset piece;

41. a housing; 411. a lower case; 4111. positioning columns; 4112. a mounting column; 412. an upper cover; 42. a transmission assembly; 421. a driving wheel; 4211. a limiting table; 422. driven wheel; 4221. a hanging column; 43. a driving motor; 44. and a micro-switch.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

In order to solve the above problems, as shown in fig. 1-5, the present embodiment provides a water diversion valve, which includes a valve body structure 100 and a driving mechanism 200, wherein the valve body structure 100 includes a valve body 1 and a valve core assembly, the valve body 1 has a valve cavity, a water inlet 111, a first water outlet 131 and a second water outlet 112 are arranged on the valve body 1, the water inlet 111 and the first water outlet 131 are communicated to form a first waterway, and the water inlet 111 is communicated to the second water outlet 112 to form a second waterway; the valve body structure 100 of the shunt valve and the driving mechanism 200 are all separate components, and are detachably connected, any part is maintained, another part is not required to be removed, and the maintenance is convenient.

Specifically, the valve body 1 includes a main body 11, the main body 11 is a barrel structure, a sealing cover 12 is arranged at a first end of the main body 11, a valve cover 13 is arranged at a second end of the main body 11, a first water outlet 131 is arranged on the valve cover 13, as shown in fig. 2, the valve cover 13 includes a valve cover main body 132 and an elbow 133, the valve cover main body 132 is arranged at the second end of the main body 11, a through hole is arranged on the valve cover main body 132, one end of the elbow 133 is connected with the valve cover main body 132 and is communicated with the through hole, and the first water outlet 131 is formed at the other end of the elbow 133. Two side pipes are arranged on the side wall of the main body 11, the outlets of the side pipes form a water inlet 111 and a second water outlet 112 respectively, the water inlet 111 and the second water outlet 112 are oppositely arranged, and the water inlet 111 is arranged between the first water outlet 131 and the second water outlet 112; the valve body 1 has a simple structure and is easy to prepare.

As shown in fig. 3 and 4, the valve cover 13 and the main body 11 are of a split structure, and a sealing ring 14 is provided between the valve cover 13 and the main body 11. The valve cover 13 and the main body 11 are of a split structure, and the valve cover 13 and the main body 11 can be independently prepared, so that the preparation difficulty is reduced; the sealing function is performed by the sealing ring 14 between the valve cover 13 and the main body 11.

It should be noted that, the valve cover 13 and the main body 11 are not limited to a split structure, as shown in fig. 5, the valve cover 13 and the main body 11 are in an integral structure, and the assembly between the valve cover 13 and the main body 11 is not needed, so that the assembly steps are simplified; and water leakage between the valve cover 13 and the main body 11 due to the inexact assembly is avoided.

Optionally, the valve core assembly includes a valve core 21 and a power transmission assembly 22, the valve core 21 is movably disposed in the valve cavity along an axial direction of the valve cavity, a penetrating hole is disposed on the sealing cover 12, the power transmission assembly 22 extends into the valve body 1 from the penetrating hole and is connected with the valve core 21, the power transmission assembly 22 can move along the axial direction of the penetrating hole, and the penetrating hole plays a role in guiding the movement of the power transmission assembly 22. The other end of the power transmission assembly 22 is connected to a driving mechanism 200, and the driving mechanism 200 is used for driving the power transmission assembly 22 to move along the axial direction of the valve cavity so as to drive the valve core 21 to move from the first position to the second position. The valve core assembly drives the valve core 21 to move along the axial direction of the valve cavity through the power transmission assembly 22 so as to realize the switching of the valve core 21 at different positions.

In this embodiment, the valve core 21 has elasticity, and the valve core 21 moves along the axial direction of the valve cavity, so as to seal the first waterway or the second waterway, so that the water diversion valve cannot have water pressure loss, the flushing force is improved, and the cleaning rate is enhanced. When the valve core 21 elastically abuts against the valve cover main body 132, the valve core 21 is at the first position, the diameter of the valve core 21 is larger than that of the through hole in the valve cover main body 132, and the valve core 21 can seal the through hole in the valve cover main body 132 so as to prevent water in the valve cavity from flowing into the bent pipe 133 and realize sealing of the first waterway. A limiting structure 113 is arranged in the main body 11 of the valve body 1, the limiting structure 113 is positioned between the water inlet 111 and the second water outlet 112, the valve core 21 elastically abuts against the limiting structure 113 to realize the sealing of the second waterway, and the valve core 21 is positioned at the second position. In this embodiment, the limiting structure 113 is a protruding structure disposed on the inner wall of the main body 11, when the valve core 21 moves to the protruding structure, the valve core 21 is in interference fit with the protruding structure, and an axial seal is formed between the two structures, and the protruding structure stops the valve core 21 from moving continuously, so as to limit the valve core 21. The limiting structure 113 is not limited to a protruding structure provided on the inner wall of the main body 11, but may be other structures, as shown in fig. 9, by designing the main body 11 to have a shape of a stepped structure, the stepped structure limits the limiting structure 113 to limit the movement of the valve core 21, and an axial seal is formed between the valve core 21 and the stepped structure. Of course, the sealing of the valve element 21 to the second water passage is not limited to the axial sealing described above, but may be realized by radial sealing, and as shown in fig. 5, when the valve element 21 is located at the second position, the circumferential direction of the valve element 21 elastically abuts against the inner wall of the valve body 1, and at this time, the valve element 21 cannot move continuously. The diameter of the valve core 21 is slightly larger than the inner diameter of the valve body 1, elastic propping pressure is generated between the valve core 21 and the inner wall of the valve body 1, and when the valve core 21 moves to the second position, the valve core 21 is subjected to larger friction force at the moment and cannot move continuously.

Further, as shown in fig. 2-5, the valve core assembly further comprises an elastic water-proof cover 23, the elastic water-proof cover 23 is arranged in the valve cavity, one end of the elastic water-proof cover 23 is connected with the valve core 21, the circumference of the other end of the elastic water-proof cover 23 is in sealing connection with the first end of the valve body 1, the valve core 21, the elastic water-proof cover 23 and the sealing cover 12 form a water-proof cavity, the power transmission assembly 22 stretches into the water-proof cavity and is not in contact with water, the reliability and the durability of the elastic reset piece 3 are ensured, and the service life of the elastic reset piece is prolonged. When the driving mechanism 200 drives the power transmission assembly 22 to drive the valve core 21 to move along the axial direction of the valve cavity, no water leakage phenomenon occurs.

Alternatively, the elastic water-proof cover 23 is of a cylinder-like structure, preferably, the section of the elastic water-proof cover 23 is of a bellows structure, so that the elastic water-proof cover 23 can be easily compressed and rebounded during the movement of the valve spool 21; and when the second waterway is conducted, water entering the water inlet 111 can bypass the bellows structure to enter the second water outlet 112. One end of the elastic water-proof cover 23 is in circumferential sealing connection with the valve core 21, the other end of the elastic water-proof cover is provided with a flanging structure 231, the flanging structure 231 wraps the circumference of the first end of the main body 11, and the sealing cover 12 covers the first end of the main body 11 and wraps the outer side of the flanging structure 231. The arrangement of the flanging structure 231 of the elastic water-proof cover 23 can realize sealing connection with the main body 11, the first end of the main body 11 is covered by the sealing cover 12, and the outer side of the flanging structure 231 is covered by the sealing cover, so that the tightness between the elastic water-proof cover 23 and the main body 11 is enhanced, and water leakage is avoided.

Further, the elastic waterproof cover 23 and the valve core 21 are integrally formed, and are made of elastic materials, and in the embodiment, the elastic waterproof cover 23 and the valve core 21 are made of rubber materials, so that the elastic waterproof cover is good in elasticity and low in cost.

Preferably, the sealing cover 12 has elasticity, in this embodiment, the sealing cover 12 is also made of a rubber material, and the sealing cover 12 has elasticity, so that the sealing cover 12 is convenient to install, and can perform a better sealing effect when the sealing cover 12 covers the flange structure 231 of the elastic waterproof cover 23 and is arranged at the first end of the main body 11.

Preferably, the elastic restoring piece 3 is arranged in the water-proof cavity, the elastic restoring piece 3 is not contacted with water, the reliability and the durability of the elastic restoring piece 3 are ensured, and the service life of the elastic restoring piece is prolonged. In this embodiment, the elastic restoring member 3 is a spring, and the spring is sleeved on the outer side of the power transmission assembly 22, and can also play a role in guiding the expansion and contraction of the spring through the power transmission assembly 22.

As shown in fig. 2 to 5, the power transmission assembly 22 comprises a pull rod 221 and a pull rope 222, the interior of the pull rod 221 is of a cavity structure, one end of the pull rod 221 extends into a water-proof cavity in the valve body 1 and is connected with the valve core 21, and the other end of the pull rod 221 is provided with an opening structure; one end of the pull rope 222 extends into the pull rod 221 from the opening structure and is connected with one end of the pull rod 221 extending into the valve body 1, the other end of the pull rope 222 is provided with a hook 2221, and the hook 2221 is hung on the driving mechanism 200. The valve core 21 is pulled by using two parts of the pull rod 221 and the pull rope 222, and the pull rope 222 can transmit the pull force to the pull rod 221, so that the pull rod 221 moves along the axial direction of the penetrating hole, the pull force is prevented from being directly acted on the pull rod 221, and larger friction resistance is generated between the local position of the pull rod 221 and the sealing cover 12 due to the fact that an included angle exists between the pull force angle and the extending direction of the pull rod 221.

When the valve core 21 is in contact with the limiting structure 113, the valve core 21 is in a second position, the valve core 21 cannot move continuously, the water inlet 111 is blocked from the second water outlet 112, the water inlet 111 is communicated with the first water outlet 131, the first waterway is conducted, and water flows out from the first water outlet 131; when the driving mechanism 200 releases the driving force to the power transmission assembly 22, the elastic reset member 3 drives the valve core 21 to move in the opposite direction, the valve core 21 is elastically abutted against the valve cover 13 under the action of the restoring force of the elastic reset member 3, at this time, the valve core 21 is at the first position, the water inlet 111 is blocked from the first water outlet 131, the water inlet 111 is communicated with the second water outlet 112, the second waterway is conducted, and the water flows out from the second water outlet 112.

Optionally, the driving mechanism 200 is a retractor, and the specific structure of the retractor is related to the prior art and will not be described herein.

Of course, the driving mechanism 200 is not limited to the above structure, as shown in fig. 6-8, the driving mechanism 200 includes a housing 41, a transmission assembly 42 and a driving motor 43, the housing 41 includes a lower shell 411 and an upper cover 412, the transmission assembly 42 is disposed in the lower shell 411 of the housing 41, and the upper cover 412 covers the lower shell 411 to conceal the transmission assembly 42 and has an attractive appearance. The hook 2221 of the pull rope 222 is hung at the output end of the transmission assembly 42; the output end of the driving motor 43 extends into the shell 41 and is in transmission connection with the transmission assembly 42, and the driving motor 43 drives the transmission assembly 42 to act so as to pull the pull rope 222, thereby driving the valve core 21 to move. The driving mechanism 200 drives the transmission assembly 42 to act through the driving motor 43 so as to pull the pull rope 222 to follow, thereby realizing automatic driving of the valve core 21.

Further, the transmission assembly 42 includes a driving wheel 421 and a driven wheel 422, the output end of the driving motor 43 extends into the housing 41, the driving wheel 421 is mounted at the output end of the driving motor 43, a mounting post 4112 is disposed in the lower housing 411, the driven wheel 422 is rotatably mounted on the mounting post 4112, the driven wheel 422 is engaged with the driving wheel 421, a hanging post 4221 is disposed on the driven wheel 422, the free end of the pull rope 222 is hung on the hanging post 4221, and the driving motor 43 drives the driving wheel 421 to rotate so as to drive the driven wheel 422 to rotate, thereby driving the pull rope 222 to pull. The driving component 42 drives the free end of the pull rope 222 to move along an annular track through the cooperation of the driving wheel 421 and the driven wheel 422, so as to drive the valve core 21 to move, and the driving mode is stable in transmission.

Optionally, the driving mechanism 200 further includes a micro switch 44, the micro switch 44 and the driving motor 43 are both in communication connection with the control device, a positioning column 4111 is disposed in the lower housing 411, a positioning hole is correspondingly disposed on the micro switch 44, and the micro switch 44 is mounted on the positioning column 4111 through the positioning hole, so that the micro switch 44 is mounted in the housing 41, and movement of the micro switch 44 is avoided. The limit table 4211 is arranged on the periphery of the driving wheel 421, when the limit table 4211 contacts with the trigger micro switch 44 in the rotation process of the driving wheel 421, the micro switch 44 can be triggered, the micro switch 44 gives on-off signals to the control equipment, and the driving motor 43 is controlled to start and stop, so that the rotation angle control is realized. The structure of the micro switch 44 and the cooperation with the limiting table 4211 are related art, and will not be described herein.

Example two

The present embodiment provides a diverter valve, and the sealing mode of the diverter valve in the present embodiment is different from that in the first embodiment. In the first embodiment, the power transmission assembly 22 is placed in a water-free environment by providing the elastic water blocking cover 23 between the valve core 21 and the seal cover 12. In this embodiment, as shown in fig. 9, the valve core assembly is not provided with an elastic water-proof cover 23, a sealing structure 24 is provided between the power transmission assembly 22 and the valve body 1, and the sealing cover 12 abuts against the sealing structure 24. The sealing structure 24 is used for sealing the power transmission assembly 22 between the power transmission assembly 22 and the main body 11, so that the phenomenon that the power transmission assembly 22 leaks water in the moving process is avoided.

In this embodiment, the sealing structure 24 is a shaft seal, the sealing cover 12 is a shaft seal cover, and the shaft seal cover abuts against the shaft seal to play a role in limiting the shaft seal, so as to prevent the shaft seal from being separated from the sealing position.

Example III

The utility model also provides a dish washer, comprising the water diversion valve in the first embodiment or the second embodiment. The dishwasher is convenient to maintain through the water diversion valve, and washing water pumped by the washing pump can be diverted to different sprayers so as to achieve the energy-saving effect, so that the washing force is improved, and the washing rate is enhanced.

The connection between a specific diverter valve and other structures of the dishwasher belongs to the prior art and is not described here in detail.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A water diversion valve characterized by comprising a valve body structure (100) and a driving mechanism (200), the valve body structure (100) comprising:

the valve comprises a valve body (1), wherein the valve body (1) is provided with a valve cavity, a water inlet (111), a first water outlet (131) and a second water outlet (112) which are communicated with the valve cavity are arranged on the valve body (1), the water inlet (111) and the first water outlet (131) are communicated to form a first waterway, and the water inlet (111) and the second water outlet (112) are communicated to form a second waterway;

the valve core assembly is arranged in the valve cavity in a moving mode along the axial direction of the valve cavity, the output end of the driving mechanism (200) is detachably connected with the valve core assembly, and the driving mechanism (200) is configured to drive the valve core assembly to move between a first position communicated with the second waterway and blocking the first waterway and a second position communicated with the first waterway and blocking the second waterway.

2. The shunt valve according to claim 1, wherein said valve cartridge assembly comprises:

a valve core (21) movably arranged in the valve cavity along the axial direction of the valve cavity; and

And one end of the power transmission assembly (22) extends into the valve cavity from the first end of the valve body (1) and is connected with the valve core (21), the other end of the power transmission assembly (22) is detachably connected with the driving mechanism (200), and the driving mechanism (200) is configured to drive the power transmission assembly (22) to move so as to drive the valve core (21) to move between the first position and the second position.

3. The diverter valve according to claim 2, wherein the power transmission assembly (22) comprises:

the inside of the pull rod (221) is of a cavity structure, one end of the pull rod (221) stretches into the valve body (1) and is connected with the valve core (21), and the other end of the pull rod (221) is provided with an opening structure; and

One end of the pull rope (222) extends into the pull rod (221) from the opening structure and is connected with one end of the pull rod (221) extending into the valve body (1), and the other end of the pull rope (222) is detachably connected with the output end of the driving mechanism (200).

4. The shunt valve according to claim 2, wherein said valve cartridge assembly further comprises:

and the elastic reset piece (3) is arranged between the valve core (21) and the first end of the valve body (1) and is used for driving the valve core (21) to return to the first position from the second position.

5. A shunt valve according to claim 2, characterised in that said valve body (1) comprises a main body (11), a sealing cover (12) being provided at a first end of said main body (11), a valve cover (13) being provided at a second end of said main body (11),

the valve cover (13) is provided with the first water outlet (131), the main body (11) is provided with the water inlet (111) and the second water outlet (112), and the water inlet (111) is arranged between the first water outlet (131) and the second water outlet (112);

the sealing cover (12) is provided with a penetrating hole, and the power transmission assembly (22) extends into the valve body (1) from the penetrating hole.

6. The diverter valve of claim 5, wherein the spool assembly further comprises:

elastic water-proof cover (23) set up in the valve pocket, the one end of elastic water-proof cover (23) with case (21) links to each other, the circumference of the other end of elastic water-proof cover (23) with the first end sealing connection of main part (11), case (21) elastic water-proof cover (23) with sealed lid (12) form the water proof chamber, power transmission subassembly (22) stretch into in the water proof chamber.

7. A shunt valve according to claim 5, characterised in that a sealing structure (24) is provided between the power transmission assembly (22) and the main body (11), the sealing cover (12) being held against the sealing structure (24).

8. A shunt valve according to claim 3, wherein said drive mechanism (200) comprises:

a housing (41);

the transmission assembly (42) is arranged in the shell (41), and the free end of the pull rope (222) is hung at the output end of the transmission assembly (42); and

The output end of the driving motor (43) stretches into the shell (41) and is in transmission connection with the transmission assembly (42), and the driving motor (43) drives the transmission assembly (42) to act so as to pull the pull rope (222).

9. The diverter valve as set forth in claim 8, wherein said drive assembly (42) includes:

the driving wheel (421) and the driven wheel (422), the driving wheel (421) and the driven wheel (422) are rotatably arranged in the shell (41), the driven wheel (422) is meshed with the driving wheel (421), the driving wheel (421) is arranged at the output end of the driving motor (43) so as to drive the driving wheel (421) to rotate, a hanging column (4221) is arranged on the driven wheel (422), and the free end of the pull rope (222) is hung on the hanging column (4221);

the driving mechanism (200) further comprises a micro switch (44), the micro switch (44) is arranged in the shell (41), a limiting table (4211) is arranged on the driving wheel (421) in the circumferential direction, and the limiting table (4211) is configured to trigger the micro switch (44) to be switched on or off.

10. A dishwasher, characterized by comprising a diverter valve according to any one of claims 1-9.