WO2021109760A1

WO2021109760A1 - Cleaning machine

Info

Publication number: WO2021109760A1
Application number: PCT/CN2020/124646
Authority: WO
Inventors: 王其彬; 乔勇; 段风伟
Original assignee: 苏州宝时得电动工具有限公司
Priority date: 2019-12-06
Filing date: 2020-10-29
Publication date: 2021-06-10
Also published as: CN212285023U

Abstract

A cleaning machine (10), which comprises: a handheld spray gun (8), comprising a spray gun casing (1) which is provided with a spray gun inlet (12), a spray gun outlet (13) and a spray gun handle (7); a main machine (9), provided separate to the handheld spray gun (8) and comprising a pump (91) and a motor (92); a pipe (93); a battery pack (5), providing power to the motor (92); a control switch (3), used for controlling the connection and disconnection between the battery pack (5) and the motor (92); a water inlet valve (2), comprising a valve core (21) and a valve seat (22), the valve seat (22) being provided with a fluid inlet and a fluid outlet; and a hydroelectrical linkage component (4), connected to the spray gun casing (1) and capable of triggering the control switch (3) to control electric conduction between the battery pack (5) and the motor (92) and control waterway communication between the fluid inlet and the fluid outlet when operated. Therefore, by means of the separate arrangement of the main machine (9) and the handheld spray gun (8), the size of the handheld spray gun (8) can be reduced and the space occupied by the handheld spray gun (8) can be reduced. Furthermore, by means of the hydroelectrical linkage component (4), the water inlet valve (2) and the control switch (3) can be simultaneously controlled to work, and the operation of the cleaning machine (10) is made simpler.

Description

washing machine

This application claims the priority of the Chinese patent application whose application date is December 06, 2019 and the application number is 201922177995.X, the entire content of which is incorporated into this application by reference.

Technical field

The present disclosure relates to the cleaning field, and in particular to a cleaning machine.

Background technique

In the related art, the existing cleaning machine is provided with a host, the host has a pump and a motor, and the pump and the motor are arranged in the spray gun housing. The spray gun is large in size and not compact in structure, which results in a large space for the spray gun and also increases the hand-held The weight of the spray gun makes it inconvenient for the user to take the hand-held spray gun, which affects the user’s experience. At the same time, the existing washing machine controls the water inlet valve and the control switch through two steps, which is complicated to operate and affects the work of the washing machine. effectiveness.

Summary of the invention

The present disclosure aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present disclosure is to provide a washing machine, which can reduce the size and weight of the hand-held spray gun, and can also make the operation steps of the washing machine simpler.

The cleaning machine according to the present disclosure includes: a hand-held spray gun, including a spray gun housing, the spray gun housing is provided with a spray gun liquid inlet for fluid to enter and a spray gun liquid outlet for fluid to be ejected, and the spray gun housing has a A handle to be held; the host is set separately from the hand-held spray gun, the host includes a pump that pressurizes fluid and a motor that drives the pump; a water pipe is connected between the hand-held spray gun and the host , Directing the fluid pressurized by the pump to the liquid inlet of the spray gun; a battery pack, which provides energy for the motor, and the battery pack can be detachably connected to the spray gun housing; a control switch , Used to control the on and off between the battery pack and the motor; a water inlet valve is arranged in the spray gun housing, the water inlet valve includes a valve core and a valve seat, the valve seat is provided with A fluid inlet and a fluid outlet communicated by the water pipe; a hydroelectric linkage connected to the spray gun housing, and operating the hydroelectric linkage can trigger the control switch to control electrical conduction between the battery pack and the motor, and Control the water path communication between the fluid inlet and the fluid outlet; the hydroelectric linkage moves relative to the spray gun housing between a first position and a second position, when the hydroelectric linkage is located in the first position Position, there is no electrical conduction between the battery pack and the motor, and the water path between the fluid inlet and the fluid outlet is not connected; when the hydroelectric linkage is in the second position, the The water inlet valve is opened, the water path between the fluid inlet and the fluid outlet is communicated, and the control switch controls electrical conduction between the battery pack and the motor; the water inlet valve includes a first seal and a second Two seals, the first seal is provided between the valve core and the valve seat, and is used to block the fluid communication between the fluid inlet and the fluid outlet, and the second seal is provided Located between the valve core and the valve seat and in the direction in which the valve core extends, located at the lower end of the first sealing member, for when the hydroelectric linkage member moves to the second position, Blocking the water flow from the water inlet valve to the spray gun housing; the water inlet valve further includes a guide for guiding and limiting the trajectory of the spool movement, and a guide provided on the guide and the spool The third seal is located at the upper end of the first seal and is used to block the fluid inlet and the fluid inlet when the hydroelectric linkage moves to the first position. The water flow between the spray gun shells is in communication; the cleaning machine further includes: a self-locking button for locking the hydroelectric linkage, a spring is arranged under the self-locking button, and when the cleaning machine is not working, the self-locking button The lock button abuts against the hydropower linkage member.

According to the cleaning machine of the present disclosure, the size and weight of the hand-held spray gun can be reduced by the separate arrangement of the main body and the hand-held spray gun, and the space occupied by the hand-held spray gun can be reduced. The switch work can make the operation steps of the washing machine easier.

In some examples of the present invention, the hydropower linkage triggers the control switch and the water inlet valve in sequence to start the washing machine.

In some examples of the present invention, the spray gun housing includes a main body part extending in the spraying direction of the water stream, and the handle and the main body part are arranged at an angle of less than 180 degrees, and the handle includes The front end connected to the front end and the rear end opposite to the front end and located at the free end, and the liquid inlet of the spray gun is arranged at the rear end of the handle.

In some examples of the present invention, the water inlet valve is provided in the main body.

In some examples of the present invention, the fluid inlet is located on the rear side of the valve core, and the fluid outlet is located on the front side of the valve core.

In some examples of the present invention, the control switch is provided in the main body part.

In some examples of the present invention, the hydropower linkage is connected to the spray gun housing so as to be able to rotate around a pivot axis to switch between the first position and the second position. In the direction of water flow, The valve core, the pivot shaft, and the control switch are sequentially arranged in the main body.

In some examples of the present invention, the hydroelectric linkage includes a first section and a second section located on both sides of the pivot shaft, and the first section can push the valve core upward to communicate with the fluid inlet And the fluid outlet; the second section can be pressed down to trigger the control switch to connect the battery pack and the motor.

The additional aspects and advantages of the present disclosure will be partially given in the following description, and some will become obvious from the following description, or be understood through the practice of the present disclosure.

Description of the drawings

The above and/or additional aspects and advantages of the present disclosure will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

Figure 1 is a cross-sectional view of a washing machine according to an embodiment of the present disclosure;

Fig. 2 is a schematic diagram of the water and electricity linkage of the washing machine in the first position according to the embodiment of the present disclosure;

FIG. 3 is a schematic diagram of the water and electricity linkage of the washing machine in a second position according to an embodiment of the present disclosure;

4 is a schematic diagram of the cooperation between the water and electricity linkage and the valve core of the washing machine according to an embodiment of the present disclosure;

Fig. 5 is a cross-sectional view of the overall structure of a washing machine according to an embodiment of the present disclosure.

Reference signs:

Washing machine 10;

Spray gun housing 1; water flow channel 11; spray gun liquid inlet 12; spray gun liquid outlet 13; main body 14;

Inlet valve 2; valve core 21; valve seat 22; guide 23;

Seal 25; first seal 251; second seal 252; third seal 253;

Control switch 3;

Hydropower linkage 4; first section 41; touch rod 42; second section 44;

Battery pack 5; Outlet pipe 6; Handle 7; Hand-held spray gun 8;

Main engine 9; pump 91; motor 92; water pipe 93; pivot shaft 95.

Detailed ways

The embodiments of the present disclosure are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present disclosure, and cannot be understood as a limitation to the present disclosure.

The washing machine 10 according to the embodiment of the present disclosure will be described below with reference to FIGS. 1 to 5.

As shown in FIGS. 1 to 5, the washing machine 10 according to the embodiment of the present disclosure includes: a handheld spray gun 8, a host 9, a water pipe 93, a battery pack 5, a water inlet valve 2, a control switch 3 and a water and electricity linkage 4. The hand-held spray gun 8 includes a spray gun housing 1. The spray gun housing 1 is provided with a spray gun liquid inlet 12 for fluid to enter and a spray gun liquid outlet 13 for fluid to be ejected. When the cleaning machine 10 is working, fluid flows from the spray gun liquid inlet 12 It flows into the hand-held spray gun 8, and then the fluid is sprayed out of the hand-held spray gun 8 from the spray gun liquid outlet 13. The spray gun housing 1 has a handle 7 for holding it. The main body 9 and the hand-held spray gun 8 are arranged separately, that is, the main body 9 is not arranged in the hand-held spray gun 8. The main body 9 includes a pump 91 that pressurizes the fluid and a motor 92 that drives the pump 91 to work. The water pipe 93 is connected between the hand-held spray gun 8 and the host 9, and the water pipe 93 can guide the fluid pressurized by the pump 91 to the liquid inlet 12 of the spray gun.

The battery pack 5 provides energy for the motor 92. It can also be understood that the battery pack 5 provides electrical energy for the motor 92 to make the motor 92 work. The battery pack 5 can be connected to the spray gun housing 1 in a detachable manner. When the battery pack 5 is being charged, the battery pack 5 can be disassembled, so that the battery pack 5 can be easily replaced or charged. The control switch 3 is used to control the on-off between the battery pack 5 and the motor 92.

The spray gun housing 1 may have a water flow channel 11 communicating the water inlet valve 2 and the water pipe 93. The water flow channel 11 is provided in the handle 7, the water inlet valve 2 is provided in the spray gun housing 1, and the water inlet valve 2 is located in the water flow channel 11. On the front side, the inlet valve 2 has a valve core 21 and a valve seat 22. The valve seat 22 is provided with a fluid inlet and a fluid outlet that can communicate with the water pipe 93. The valve core 21 is movably arranged in the valve seat 22. The valve core 21 can Control the waterway communication between the fluid inlet and the fluid outlet. The fluid inlet is located on one side of the valve core 21, and the fluid outlet is located on the other side of the valve core 21. The water flow channel 11 communicates with the fluid inlet. It should be noted that the water flow channel 11 is located on the rear side of the valve core 21, and the fluid outlet is connected to the water outlet pipe. 6 Connected. The water and electricity linkage 4 is connected to the spray gun housing 1, and the operation of the water and electricity linkage 4 can trigger the control switch 3 to control the electrical conduction between the battery pack 5 and the motor 92, and control the water communication between the fluid inlet and the fluid outlet.

Further, the hydropower linkage 4 moves relative to the spray gun housing 1 between the first position and the second position. It should be noted that the hydropower linkage 4 in FIG. 2 is located at the first position, and the hydropower linkage 4 in FIG. 3 is located at the first position. In the second position, the water and electricity linkage 4 is connected to the valve core 21 and the control switch 3. When the water and electricity linkage 4 is in the first position, the control switch 3 controls the electrical non-conduction between the battery pack 5 and the motor 92, that is, the battery pack 5 No power is supplied to the motor 92, and the water path between the fluid inlet and the fluid outlet is not connected, and the cleaning machine 10 does not work at this time. When the water-electricity linkage 4 is in the second position, the water inlet valve 2 is opened, the water path between the fluid inlet and the fluid outlet is connected, and the control switch 3 controls the electrical conduction between the battery pack 5 and the motor 92. At this time, the cleaning machine 10 is cleaned to be cleaned object.

In some embodiments of the present disclosure, the valve core 21 moves in the up and down direction, the fluid inlet is located on the rear side of the valve core 21, and the fluid outlet is located on the front side of the valve core 21. This arrangement enables the liquid in the water flow channel 11 to enter the water The rear side of the valve 2 flows into the water inlet valve 2, so that the direction of the liquid flowing into the water inlet valve 2 is consistent with the direction of the liquid flowing into the water outlet pipe 6 from the fluid outlet, so that the impact force of the liquid on the water inlet valve 2 can be reduced.

Among them, the handle 7 can be arranged on the rear side of the water inlet valve 2. When the washing machine 10 needs to be used to clean the object to be cleaned, the user holds the handle 7 to control the water and electricity linkage 4 to rotate from the first position to the second position. Driven by the water and electricity linkage 4, the control switch 3 controls the battery pack 5 There is electrical conduction with the motor 92, and the control of the fluid inlet and the fluid outlet. Then the pump 91 will guide the fluid into the water pipe 93, and then the fluid will flow into the water flow channel 11 along the water pipe 93 to pump the liquid, and then the liquid will be The water flows from the fluid inlet to the fluid outlet along the water flow channel 11, and then the liquid flows from the fluid outlet to the water outlet pipe 6, and finally the liquid is ejected from the water outlet pipe 6. This arrangement can achieve the working purpose of using one water and electricity linkage 4 to control the water inlet valve 2 and the control switch 3 at the same time. Compared with the prior art, the operation steps of the washing machine 10 can be simplified, so that the operation of the washing machine 10 can be simplified. It is simpler, which can improve the user’s satisfaction and the working efficiency of the cleaning machine 10. Moreover, the liquid flows into the water inlet valve 2 from the rear side of the water inlet valve 2, which can reduce the liquid's impact on the water inlet valve 2. In terms of impact force, compared with the prior art, the small volume of the water inlet valve 2 can meet the working requirements, so that the structure of the cleaning machine 10 can be made more compact, and the cleaning machine 10 can be made lighter. At the same time, by arranging the host 9 and the hand-held spray gun 8 separately, compared with the prior art, the size and weight of the hand-held spray gun 8 can be reduced, the space occupied by the hand-held spray gun 8 can be reduced, and the structure of the hand-held spray gun 8 can be improved. It is compact, and it is convenient for the user to take the hand-held spray gun 8.

As a result, the main body 9 and the hand-held spray gun 8 are arranged separately, so that the size of the hand-held spray gun 8 can be reduced, and the space occupied by the hand-held spray gun 8 can be reduced. Moreover, by providing the water and electricity linkage 4, the water inlet valve 2 and the control can be controlled at the same time. The operation of the switch 3 can make the operation of the cleaning machine 10 easier, and the cleaning machine 10 of the present application has a relatively compact structure.

In some embodiments of the present disclosure, after the water and electricity linkage 4 is turned from the first position to the second position, the water and electricity linkage 4 sequentially triggers the control switch 3 and the water inlet valve 2 to start the cleaning machine 10 to work. It should be explained that the hydropower linkage 4 first triggers the control switch, and then the hydropower linkage 4 controls the water path communication between the fluid inlet and the fluid outlet by controlling the water inlet valve 2.

In some embodiments of the present disclosure, as shown in FIGS. 1 to 3, the spray gun housing 1 may include a main body 14 extending in the spray direction of the water stream, the main body 14 is connected to the handle 7, and the handle 7 is connected to the main body 14 The angle between the main body 14 and the handle 7 is less than 180 degrees, that is, the included angle between the main body 14 and the handle 7 is less than 180°. For example, the included angle between the main body 14 and the handle 7 is 140°, and the handle 7 includes The front end connected to the main body 14 and the rear end opposite to the front end and located at the free end, the spray gun liquid inlet 12 is arranged at the rear end of the handle 7, and the control switch 3 is arranged in the main body 14. Among them, by arranging the spray gun liquid inlet 12 at the free end of the handle 7, this arrangement allows water to enter from the lower end of the handle 7 of the hand-held spray gun 8, which can reduce the size of the hand-held spray gun 8 in the front and rear directions, thereby making the hand-held spray gun 8 smaller in size. The structure of the spray gun 8 is more compact, and the arrangement position of the liquid inlet 12 of the spray gun can be more reasonable.

In some embodiments of the present disclosure, the water inlet valve 2 may be arranged in the main body part 14. This arrangement can prevent the water inlet valve 2 from occupying other space in the spray gun housing 1, and can prevent the increase in the volume of the handle 7, thereby making it convenient The operator holds the handle 7.

In some embodiments of the present disclosure, as shown in FIG. 2, the fluid inlet is located on the rear side of the valve core, and the fluid outlet is located on the front side of the valve core. Into the fluid, such a configuration can facilitate the fluid to flow to the fluid inlet, and can reduce the flow path of the fluid in the hand-held spray gun 8, thereby further reducing the volume of the hand-held spray gun 8.

In some embodiments of the present disclosure, the hydropower linkage 4 is connected to the spray gun housing 1 so that the hydropower linkage 4 can be switched between the first position and the second position, in the direction of water flow. , The valve core 21, the pivot shaft 95, and the control switch 3 are arranged in the main body 14 in sequence, and the control switch 3 and the valve core 21 are respectively located on both sides of the pivot shaft 95. For example, as shown in Figure 2, the control switch 3 is located on the pivot On the front side of the rotating shaft 95, the valve core 21 is located on the rear side of the pivoting shaft 95. This arrangement can facilitate the hydropower linkage 4 to control the spool 21 and the control switch 3, and can reduce the size of the hydropower linkage 4, thereby enabling the hand-held spray gun 8 The structure is more compact.

In some embodiments of the present disclosure, as shown in Figures 1 to 3, the control switch 3 may be located on the front side of the hydropower linkage 4, this arrangement can facilitate the hydropower linkage 4 to control the control switch 3 to close, and can also make full use of the spray gun The front space of the water and electricity linkage 4 in the housing 1 can make the overall structure of the washing machine 10 more compact, so that the washing machine 10 can be conveniently taken by the user, and the arrangement position of the control switch 3 can be more reasonable.

In some embodiments of the present disclosure, as shown in FIGS. 1 to 4, the water inlet valve 2 may further include: a sealing member 25, the sealing member 25 has a sealing function, the sealing member 25 may be sleeved on the valve core 21, the sealing member 25 may include a first seal 251 and a second seal 252. The first seal 251 is disposed between the valve core 21 and the valve seat 22. The first seal 251 is used to block the fluid between the fluid inlet and the fluid outlet. Connected, the second sealing element 252 is arranged between the valve core 21 and the valve seat 22 and in the direction in which the valve core 21 extends, the second sealing element 252 is located at the lower end of the first sealing element 251, and the second sealing element 252 is used when When the hydropower linkage 4 moves to the second position, the second seal 252 blocks the flow of water from the water inlet valve 2 into the spray gun housing 1. The seal 25 can connect the outer peripheral wall of the valve core 21 and the valve seat 22 The gap between the inner peripheral walls is sealed, so as to prevent the liquid in the inlet valve 2 from flowing out of the inlet valve 2 between the outer peripheral wall of the valve core 21 and the inner peripheral wall of the valve seat 22, thereby ensuring the reliable operation of the inlet valve 2 It can also ensure the working reliability of the cleaning machine 10.

In some embodiments of the present disclosure, as shown in FIGS. 1 to 4, the water inlet valve 2 may further include a guide 23 for guiding and limiting the movement trajectory of the valve core 21, and a guide member 23 arranged between the guide member 23 and the valve core 21. The third sealing member 253 is located at the upper end of the first sealing member 251. It can also be understood that the third sealing member 253 is located above the first sealing member 251, and the third sealing member 253 is used for water and electricity. When the linkage member 4 moves to the first position, the third sealing member 253 blocks the water flow communication between the fluid inlet and the spray gun housing 1, so that the sealing performance of the water inlet valve 2 can be improved.

In some embodiments of the present disclosure, as shown in FIGS. 1 to 4, the hydropower linkage 4 may include: a first section 41 and a second section 44 located on both sides of the pivot shaft 95, and the hydropower linkage 4 may also include a contact Touch bar 42. During the movement of the hydropower linkage 4 from the first position to the second position, the first section 41 can push up the spool 21 to connect the fluid inlet and the fluid outlet, while the second section 44 can press down to trigger the control switch 3. Thus, the battery pack 5 and the motor 92 can be connected.

Specifically, the touch rod 42 is connected to the first section 41, and the extension direction of the touch rod 42 is different from the extension direction of the first section 41. The free end of the first section 41 is provided with a second section 44, and the second section 44 It is suitable for pressing the trigger control switch 3 downward. Among them, when the user holds the handle 7 and controls the touch lever 42 to rotate the hydropower linkage 4 from the first position to the second position, the second section 44 presses down the trigger control switch 3 to control the battery pack 5 and the motor 92 At the same time, the first section 41 controls the spool 21 to move upward, so that the water path between the fluid inlet and the fluid outlet is connected. The fluid in the water flow channel 11 can flow through the water inlet valve 2, so that the cleaning machine 10 can have The function of cleaning objects.

In some embodiments of the present disclosure, as shown in FIGS. 1 to 4, the angle between the extension direction of the touch rod 42 and the extension direction of the first section 41 is an obtuse angle. This arrangement can ensure that the first section 41 can be pushed The valve core 21 connects or disconnects the water path between the fluid inlet and the fluid outlet, and can also facilitate the first section 41 to rotate about the pivot shaft 95 by controlling the touch rod 42.

In some embodiments of the present disclosure, the second section 44 may be arc-shaped. This arrangement can facilitate the second section 44 to trigger the control switch 3 and make the structure of the second section 44 more reasonable.

In some embodiments of the present disclosure, as shown in FIGS. 1 to 4, the battery pack 5 can be arranged under the control switch 3. It should be noted that the battery pack 5 is located in front of the hydropower linkage 4, and this arrangement can enable The overall structure of the cleaning machine 10 is more compact, and the volume of the cleaning machine 10 can be further reduced, so that the cleaning machine 10 can be made more compact. In addition, the battery pack 5 can be connected to the control switch 3. When the control switch 3 is not closed, the control switch 3 controls the battery pack 5 not to output electric energy. At this time, the washing machine 10 does not work. When the control switch 3 is closed, the control switch 3 Control the battery pack 5 to output electric energy, and the washing machine 10 works at this time.

In some embodiments of the present disclosure, the battery pack 5 and the motor 92 are connected by wires. When the control switch 3 is closed, the battery pack 5 can supply power to the motor 92 so that the motor 92 drives the pump 91 to work, so that the liquid can be drained to the handheld Inside the spray gun 8.

In some embodiments of the present disclosure, the washing machine 10 may further include: a self-locking button for locking the hydroelectric linkage 4, and a spring is arranged under the self-locking button. When the washing machine 10 is not working, the self-locking button and the hydroelectricity The linkage members 4 abut against each other, which can prevent the user from operating the washing machine 10 by mistake, thereby ensuring the safety of the washing machine 10 in use. When the washing machine 10 needs to work, the user presses the self-locking button, and the self-locking button is misaligned with the water and electricity linkage 4, and the user can control the water and electricity linkage 4 to rotate, so that the washing machine 10 can be started.

Among them, when the operator presses the hydropower linkage 4, the force applied to the hydropower linkage 4 is F, the distance between the force point A applied to the hydropower linkage 4 and the pivot axis 95 is L, and the range of L is 30-50mm , The force applied by the hydropower linkage 4 to the spool 21 is F1, the distance between the force application point B of the hydropower linkage 4 and the pivot shaft 95 is L1, the range of L1 is 5-8mm, and the hydropower linkage 4 is applied to the control switch The force of 3 is F2, the distance between the force point C of the hydropower linkage 4 and the pivot shaft 95 is L2, and the range of L2 is 5-8mm, then: F×L=F1×L1+F2×L2. This arrangement can reduce the force of the operator pressing the water and electricity linkage 4, and can make the operation of the cleaning machine 10 more labor-saving, thereby improving the user experience.

In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" etc. means to incorporate the implementation The specific features, structures, materials or characteristics described by the examples or examples are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

Although the embodiments of the present disclosure have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and modifications can be made to these embodiments without departing from the principle and purpose of the present disclosure. The scope of the present disclosure is defined by the claims and their equivalents.

Claims

A washing machine, characterized in that, the washing machine comprises:

A hand-held spray gun, including a spray gun housing, the spray gun housing is provided with a spray gun liquid inlet for fluid to enter and a spray gun liquid outlet for fluid to spray out, and the spray gun housing has a handle for holding;

A host, which is arranged separately from the handheld spray gun, and the host includes a pump that pressurizes fluid and a motor that drives the pump to work;

A water pipe is connected between the hand-held spray gun and the host, and guides the fluid pressurized by the pump to the liquid inlet of the spray gun;

A battery pack, which provides energy for the motor, and the battery pack can be detachably connected to the spray gun housing;

A control switch for controlling the on-off between the battery pack and the motor;

The water inlet valve is arranged in the spray gun housing, the water inlet valve includes a valve core and a valve seat, and the valve seat is provided with a fluid inlet and a fluid outlet that can communicate with the water pipe;

A hydroelectric linkage is connected to the spray gun housing, and operating the hydroelectric linkage can trigger the control switch to control electrical conduction between the battery pack and the motor, and control the relationship between the fluid inlet and the fluid outlet Waterway connection between;

The hydroelectric linkage member moves between a first position and a second position relative to the spray gun housing. When the hydroelectric linkage member is in the first position, the battery pack and the motor are not electrically connected. Is connected, and the water path between the fluid inlet and the fluid outlet is not connected; when the hydroelectric linkage is in the second position, the water inlet valve is opened, and the fluid inlet and the fluid outlet are The water path is connected, and the control switch controls electrical conduction between the battery pack and the motor;

The water inlet valve includes a first sealing element and a second sealing element. The first sealing element is arranged between the valve core and the valve seat for blocking the fluid inlet and the fluid outlet. The second sealing element is arranged between the valve core and the valve seat and located at the lower end of the first sealing element in the direction in which the valve core extends. When the water and electricity linkage moves to the second position, blocking the flow of water from the water inlet valve into the spray gun housing;

The water inlet valve further includes a guide member for guiding and limiting the movement track of the valve core and a third sealing member provided between the guide member and the valve core, and the third sealing member is located in the The upper end of the first seal is used to block the water flow communication between the fluid inlet and the spray gun housing when the hydroelectric linkage moves to the first position;

The washing machine further includes: a self-locking button for locking the water and electricity linkage, a spring is arranged under the self-locking button, and when the washing machine is not working, the self-locking button and the water and electricity linkage are mutually Lean against.
The washing machine according to claim 1, wherein the water-electricity linkage triggers the control switch and the water inlet valve in sequence to start the washing machine.
The cleaning machine according to claim 1, wherein the spray gun housing includes a main body part extending in the spray direction of the water flow, and the handle and the main body part are arranged at an angle less than 180 degrees, and the The handle includes a front end connected with the main body and a rear end opposite to the front end and located at the free end. The spray gun liquid inlet is arranged at the rear end of the handle.
The washing machine according to claim 3, wherein the water inlet valve is provided in the main body.
The cleaning machine according to claim 4, wherein the fluid inlet is located on the rear side of the valve core, and the fluid outlet is located on the front side of the valve core.
The washing machine according to claim 4, wherein the control switch is provided in the main body.
The washing machine according to claim 6, wherein the water and electricity linkage is connected to the spray gun housing so as to be able to rotate around a pivot axis to switch between the first position and the second position. In the direction of water flow, the valve core, the pivot shaft, and the control switch are sequentially arranged in the main body.
The washing machine according to claim 7, wherein the hydroelectric linkage includes a first section and a second section located on both sides of the pivot shaft, and the first section can push the valve core upward, To connect the fluid inlet and the fluid outlet;

The second section can be pressed down to trigger the control switch to connect the battery pack and the motor.