CN212285023U

CN212285023U - Cleaning machine

Info

Publication number: CN212285023U
Application number: CN201922177995.XU
Authority: CN
Inventors: 王其彬; 乔勇; 段风伟
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2021-01-05
Anticipated expiration: 2029-12-06
Also published as: WO2021109760A1

Abstract

The utility model discloses a cleaning machine, cleaning machine includes: the handheld spray gun comprises a spray gun shell, wherein a spray gun liquid inlet and a spray gun liquid outlet are formed in the spray gun shell, and the spray gun shell is provided with a handle; the main machine is arranged separately from the handheld spray gun and comprises a pump and a motor; a water pipe; the battery pack is used for providing energy for the motor; the control switch is used for controlling the connection and disconnection between the battery pack and the motor; the water inlet valve comprises a valve core and a valve seat, and the valve seat is provided with a fluid inlet and a fluid outlet; the hydroelectric linkage part is connected with the spray gun shell, and can trigger the control switch to control the electric conduction between the battery pack and the motor and control the waterway communication between the fluid inlet and the fluid outlet. Therefore, the size of the handheld spray gun can be reduced through the split arrangement of the host and the handheld spray gun, the occupied space of the handheld spray gun can be reduced, and the water inlet valve and the control switch can be simultaneously controlled to work through the hydroelectric linkage piece, so that the cleaning machine is simpler to operate.

Description

Cleaning machine

Technical Field

The utility model belongs to the technical field of the washing and specifically relates to a cleaning machine is related to.

Background

In the correlation technique, current cleaning machine is provided with the host computer, and the host computer has pump and motor, and pump and motor setting are in the spray gun casing, and the size of spray gun is great, the structure is not compact, and the occupation space that leads to the spray gun is big to, also can increase the weight of handheld spray gun, it is inconvenient to make the user take handheld spray gun, influences user's use and experiences, and simultaneously, current cleaning machine control water intaking valve and control switch work are realized through two steps, and the operation is more complicated, influences the work efficiency of cleaning machine.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. To this end, an object of the present invention is to provide a cleaning machine that can reduce the size and weight of the hand-held spray gun and also can make the operation steps of the cleaning machine simpler.

According to the utility model discloses a cleaning machine includes: the handheld spray gun comprises a spray gun shell, wherein a spray gun liquid inlet for fluid to enter and a spray gun liquid outlet for fluid to be sprayed out are formed in the spray gun shell, and the spray gun shell is provided with a handle for holding; the main machine is arranged separately from the handheld spray gun and comprises a pump for pressurizing fluid and a motor for driving the pump to work; the water pipe is connected between the handheld spray gun and the main machine and guides the fluid pressurized by the pump to the liquid inlet of the spray gun; a battery pack for supplying energy to the motor, the battery pack being detachably connectable to the spray gun housing; the control switch is used for controlling the connection and disconnection between the battery pack and the motor; the water inlet valve is arranged in the spray gun shell and comprises a valve core and a valve seat, and the valve seat is provided with a fluid inlet and a fluid outlet which can be communicated with the water pipe; the hydroelectric linkage piece is connected with the spray gun shell and can trigger the control switch to control the battery pack to be electrically conducted with the motor and control the fluid inlet to be communicated with the water channel between the fluid outlet.

According to the utility model discloses a cleaning machine through host computer and the components of a whole that can function independently setting of handheld spray gun, can reduce the size and the weight of handheld spray gun, can reduce handheld spray gun occupation space to, through setting up the water and electricity linkage, can the simultaneous control water intaking valve and control switch work, can make the operating procedure of cleaning machine simpler.

In some examples of the invention, the electro-hydraulic linkage is movable relative to the spray gun housing between a first position and a second position, when the electro-hydraulic linkage is in the first position, electrical non-conduction is provided between the battery pack and the motor, and the water path is not provided between the fluid inlet and the fluid outlet; when the hydroelectric linkage piece is located at the second position, the water inlet valve is opened, the fluid inlet and the fluid outlet are communicated in a waterway way, and the control switch controls the electric conduction between the battery pack and the motor.

In some examples of the invention, the electro-hydraulic linkage in turn activates the control switch and the fill valve to activate the washer.

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

In some examples of the invention, the water inlet valve is disposed within the body.

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

In some examples of the invention, the control switch is disposed within the body portion.

In some examples of the invention, the hydro-electric linkage is rotatably connected to the spray gun housing about a pivot axis to switch between the first position and the second position, and the valve core, the pivot axis, and the control switch are sequentially arranged in the main body in a water flow direction.

In some examples of the invention, the inlet valve includes a first seal disposed between the valve element and the valve seat for blocking fluid communication between the fluid inlet and the fluid outlet, and a second seal disposed between the valve element and the valve seat at a lower end of the first seal in a direction in which the valve element extends for blocking water flow from the inlet valve into the spray gun housing when the electro-hydraulic linkage is moved to the second position.

In some examples of the invention, the water inlet valve further comprises a guide part for guiding and limiting the movement track of the valve core and a third sealing part arranged between the guide part and the valve core, wherein the third sealing part is positioned at the upper end of the first sealing part and used for blocking water flow communication between the fluid inlet and the spray gun shell when the hydroelectric linkage part moves to the first position.

In some examples of the invention, the hydro-electric linkage includes first and second sections on either side of the pivot axis, the first section being capable of urging the spool upwardly to communicate the fluid inlet and the fluid outlet; the second section can be pressed downwards to trigger the control switch so as to communicate the battery pack with the motor.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a cross-sectional view of a cleaning machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of a hydro-electric linkage of a cleaning machine according to an embodiment of the present invention in a first position;

FIG. 3 is a schematic view of a hydro-electric linkage of a cleaning machine according to an embodiment of the present invention in a second position;

FIG. 4 is a schematic view of the mating of the hydro-electric linkage and the valve cartridge of the cleaning machine according to an embodiment of the present invention;

fig. 5 is a sectional view of the overall structure of the cleaning machine according to the embodiment of the present invention.

Reference numerals:

a cleaning machine 10;

a spray gun housing 1; a water flow passage 11; a spray gun liquid inlet 12; a spray gun liquid outlet 13; a main body portion 14;

a water inlet valve 2; a valve core 21; a valve seat 22; a guide member 23;

a seal 25; a first sealing member 251; a second seal 252; a third seal 253;

a fluid inlet 26; a fluid outlet 27;

a control switch 3;

an electro-hydraulic linkage 4; a first section 41; a touch lever 42; a second section 44;

a battery pack 5; a water outlet pipe 6; a handle 7; a hand-held spray gun 8;

a host 9; a pump 91; a motor 92; a water pipe 93; a pivot axis 95.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The washer 10 of the embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1 to 5, a washing machine 10 according to an embodiment of the present invention includes: the device comprises a handheld spray gun 8, a main machine 9, a water pipe 93, a battery pack 5, a water inlet valve 2, a control switch 3 and a hydroelectric linkage 4. The handheld spray gun 8 comprises a spray gun shell 1, a spray gun liquid inlet 12 for fluid to enter and a spray gun liquid outlet 13 for fluid to spray are formed in the spray gun shell 1, when the cleaning machine 10 works, the fluid flows into the handheld spray gun 8 from the spray gun liquid inlet 12, then the fluid is sprayed out of the handheld spray gun 8 from the spray gun liquid outlet 13, and the spray gun shell 1 is provided with a handle 7 for holding. The main unit 9 is provided separately from the handheld spray gun 8, that is, the main unit 9 is not provided in the handheld spray gun 8, and the main unit 9 includes a pump 91 for pressurizing fluid and a motor 92 for driving the pump 91 to operate. A water line 93 is connected between hand-held spray gun 8 and main unit 9, and water line 93 may direct fluid pressurized by pump 91 to spray gun inlet 12.

The battery pack 5 provides energy for the motor 92, and it can also be understood that the battery pack 5 provides electric energy for the motor 92 to enable the motor 92 to work, the battery pack 5 can be detachably connected to the spray gun shell 1, and when the battery pack 5 needs to be replaced or charged, the battery pack 5 can be detached, so that the battery pack 5 can be replaced or charged conveniently. The control switch 3 is used for controlling the connection and disconnection between the battery pack 5 and the motor 92.

The spray gun housing 1 can be internally provided with a water flow channel 11 for communicating the water inlet valve 2 with the water pipe 93, the water flow channel 11 is arranged in the handle 7, the water inlet valve 2 is arranged in the spray gun housing 1, the water inlet valve 2 is positioned at the front side of the water flow channel 11, the water inlet valve 2 is provided with a valve core 21 and a valve seat 22, the valve seat 22 is provided with a fluid inlet 26 and a fluid outlet 27 which can be communicated with the water pipe 93, the valve core 21 is movably arranged in the valve seat 22, and the valve core 21 can control the waterway communication between the fluid inlet 26 and the. The fluid inlet 26 is located on one side of the valve core 21, the fluid outlet 27 is located on the other side of the valve core 21, the water flow channel 11 is communicated with the fluid inlet 26, 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 27 is communicated with the water outlet pipe 6. The electro-hydraulic linkage 4 is connected to the spray gun housing 1 and operation of the electro-hydraulic linkage 4 activates the control switch 3 to control electrical communication between the battery pack 5 and the motor 92 and to control fluid communication between the fluid inlet 26 and the fluid outlet 27.

Further, the hydroelectric linkage 4 moves between a first position and a second position relative to the spray gun housing 1, it should be noted that, in fig. 2, the hydroelectric linkage 4 is located at the first position, in fig. 3, the hydroelectric linkage 4 is located at the second position, the hydroelectric linkage 4 is connected to both the valve core 21 and the control switch 3, and when the hydroelectric linkage 4 is located at 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 does not supply power to the motor 92, and the water path between the fluid inlet 26 and the fluid outlet 27 is not connected, and at this time, the cleaning machine 10 does not work. When the hydroelectric linkage 4 is located at the second position, the water inlet valve 2 is opened, the water path between the fluid inlet 26 and the fluid outlet 27 is communicated, the control switch 3 controls the electric conduction between the battery pack 5 and the motor 92, and at the moment, the cleaning machine 10 cleans the object to be cleaned.

In some embodiments of the present invention, the valve core 21 moves in the up-down direction, the fluid inlet 26 is located at the rear side of the valve core 21, and the fluid outlet 27 is located at the front side of the valve core 21, so as to enable the liquid in the water channel 11 to flow into the water inlet valve 2 from the rear side of the water inlet valve 2, and the direction in which the liquid flows into the water inlet valve 2 is consistent with the direction in which the liquid flows into the water outlet pipe 6 from the fluid outlet 27, thereby reducing the impact force of the liquid on the water inlet valve 2.

Wherein the handle 7 may be provided at a rear side of the inlet valve 2. When it is desired to wash an object to be washed with the washing machine 10, a user holds the handle 7, controls the rotation of the electro-hydraulic linkage 4 from the first position to the second position, controls the control switch 3 to control the electrical conduction between the battery pack 5 and the motor 92 and the water communication between the fluid inlet 26 and the fluid outlet 27 under the driving of the electro-hydraulic linkage 4, then the pump 91 guides the fluid into the water pipe 93, then the fluid flows into the water flow channel 11 along the water pipe 93 to pump the fluid, then the fluid flows from the fluid inlet 26 to the fluid outlet 27 along the water flow channel 11, then the fluid flows from the fluid outlet 27 to the water outlet pipe 6, and finally the fluid is sprayed from the water outlet pipe 6. The arrangement can realize the working purpose that the water inlet valve 2 and the control switch 3 can be simultaneously controlled by using one hydroelectric linkage 4, compared with the prior art, the use operation steps of the cleaning machine 10 can be simplified, so that the operation of the cleaning machine 10 is simpler, the use satisfaction of a user can be improved, and the working efficiency of the cleaning machine 10 can also be improved, in addition, the liquid flows into the water inlet valve 2 from the rear side of the water inlet valve 2 through the liquid, the impact force of the liquid on the water inlet valve 2 can be reduced, compared with the prior art, the small-volume water inlet valve 2 can meet the working requirement, so that the structure of the cleaning machine 10 is more compact, and the cleaning machine 10 is lighter. Simultaneously, through setting up host computer 9 and the components of a whole that can function independently of handheld spray gun 8, compare with prior art, can reduce the size and the weight of handheld spray gun 8, can reduce handheld spray gun 8 shared space, also can make handheld spray gun 8's structure compacter, can also convenience of customers take handheld spray gun 8.

From this, through host computer 9 and the components of a whole that can function independently setting of handheld spray gun 8, can reduce the size of handheld spray gun 8, can reduce handheld spray gun 8 occupation space to, through setting up water and electricity linkage 4, can control water intaking valve 2 and control switch 3 work simultaneously, can make the operation of cleaning machine 10 simpler, and, the cleaning machine 10 structure of this application is compacter.

In some embodiments of the present invention, after the hydroelectric linkage 4 is rotated from the first position to the second position, the hydroelectric linkage 4 sequentially triggers the control switch 3 and the water inlet valve 2, so that the cleaning machine 10 can be started to work. It should be explained that the electro-hydraulic linkage 4 first activates the control switch and then the electro-hydraulic linkage 4 controls the waterway communication between the fluid inlet 26 and the fluid outlet 27 by controlling the water inlet valve 2.

In some embodiments of the present invention, as shown in fig. 1-3, the spray gun housing 1 may include a main body portion 14 extending in the spraying direction, the main body portion 14 is connected to the handle 7, and an angle of less than 180 degrees is formed between the handle 7 and the main body portion 14, that is, the main body portion 14 and the handle 7 have an included angle of less than 180 degrees, for example: the included angle between the main body part 14 and the handle 7 is 140 degrees, the handle 7 comprises a front end connected with the main body part 14 and a rear end opposite to the front end and located at the free end, the liquid inlet 12 of the spray gun is arranged at the rear end of the handle 7, and the control switch 3 is arranged in the main body part 14. Wherein, set up in the free end department of handle 7 through setting up spray gun inlet 12, set up like this and can follow the lower extreme of handle 7 of handheld spray gun 8 and intake, can reduce handheld spray gun 8 in the ascending size in front and back direction to can make handheld spray gun 8's structure compacter, and then can make spray gun inlet 12 arrange the position more reasonable.

In some embodiments of the present invention, the water inlet valve 2 may be disposed in the main body 14, so as to avoid the water inlet valve 2 occupying other space in the spray gun housing 1, and prevent the increase of the volume of the handle 7, thereby facilitating the operator to hold the handle 7.

In some embodiments of the present invention, as shown in fig. 2, the fluid inlet 26 is located at the rear side of the valve core, and the fluid outlet 27 is located at the front side of the valve core, wherein, since the cleaning machine 10 in the embodiment of the present invention enters the fluid from the lower end of the handle 7, the fluid can be conveniently flowed to the fluid inlet 26, the flow path of the fluid in the handheld spray gun 8 can be reduced, and thus the volume of the handheld spray gun 8 can be further reduced.

The utility model discloses an in some embodiments, water and electricity linkage 4 can be around pivot axle 95 pivoted be connected in spray gun casing 1, can make water and electricity linkage 4 switch on primary importance and second place, and in the direction that rivers flow, case 21, pivot axle 95, control switch 3 arrange in proper order in main part 14, and control switch 3 and case 21 are located the both sides of pivot axle 95 respectively, for example: as shown in fig. 2, the control switch 3 is located on the front side of the pivot shaft 95, and the valve core 21 is located on the rear side of the pivot shaft 95, so that the control valve core 21 and the control switch 3 of the hydro-electric linkage 4 can be conveniently arranged, the size of the hydro-electric linkage 4 can be reduced, and the structure of the handheld spray gun 8 can be more compact.

The utility model discloses an in some embodiments, as shown in fig. 1-3, control switch 3 can be located the front side of water and electricity linkage 4, so set up can be convenient for water and electricity linkage 4 control switch 3 closed, also can make full use of spray gun casing 1 in the front side space of water and electricity linkage 4, can make the overall structure of cleaning machine 10 compacter to can make cleaning machine 10 convenience of customers take, and then can make control switch 3's the position of arranging more reasonable.

In some embodiments of the present invention, as shown in fig. 1 to 4, the inlet valve 2 may further include: a sealing member 25, the sealing member 25 having a sealing function, the sealing member 25 being capable of being sleeved on the valve core 21, the sealing member 25 being capable of including a first sealing member 251 and a second sealing member 252, the first sealing member 251 being disposed between the valve core 21 and the valve seat 22, the first sealing member 251 being used for blocking fluid communication between the fluid inlet 26 and the fluid outlet 27, the second sealing member 252 being disposed between the valve core 21 and the valve seat 22 in a direction in which the valve core 21 extends, the second sealing member 252 being located at a lower end of the first sealing member 251, the second sealing member 252 being used for blocking water flowing out from the water inlet valve 2 into the spray gun housing 1 when the hydro-electric linkage 4 moves to the second position, wherein the sealing member 25 is capable of sealing a gap between an outer peripheral wall of the valve core 21 and an inner peripheral wall of the valve seat 22, so as to prevent liquid in the water inlet valve 2 from flowing out from between an outer peripheral wall of, thereby ensuring the operational reliability of the water inlet valve 2 and the cleaning machine 10.

In some embodiments of the present invention, as shown in fig. 1 to 4, the inlet valve 2 may further include a guide 23 for guiding and limiting a movement track of the valve element 21 and a third sealing element 253 disposed between the guide 23 and the valve element 21, where the third sealing element 253 is located at an upper end of the first sealing element 251, and it can also be understood that the third sealing element 253 is located above the first sealing element 251, and the third sealing element 253 is configured to block a water flow communication between the fluid inlet 26 and the spray gun housing 1 when the hydroelectric linkage 4 moves to the first position, so as to improve a sealing performance of the inlet valve 2.

In some embodiments of the present invention, as shown in fig. 1-4, the hydro-electric linkage 4 may include: the hydro-electric linkage 4 may also include a touch lever 42, with the first section 41 and the second section 44 on either side of the pivot axis 95. During the movement of the electro-hydraulic linkage 4 from the first position to the second position, the first section 41 can push the valve core 21 upward to communicate the fluid inlet 26 and the fluid outlet 27, while the second section 44 can push the trigger control switch 3 downward to communicate the battery pack 5 and the motor 92.

Specifically, the touch rod 42 is connected to the first segment 41, the extending direction of the touch rod 42 is different from the extending direction of the first segment 41, the free end of the first segment 41 is provided with a second segment 44, and the second segment 44 is suitable for pressing the trigger control switch 3 downwards. When a user holds the handle 7 by hand and controls the touch rod 42 to enable the hydroelectric linkage element 4 to rotate from the first position to the second position, the second section 44 presses downwards to trigger the control switch 3, so that the control battery pack 5 and the motor 92 are electrically conducted, meanwhile, the first section 41 controls the valve core 21 to move upwards, so that the water path between the fluid inlet 26 and the fluid outlet 27 is communicated, and the fluid in the water flow channel 11 can flow through the water inlet valve 2, so that the cleaning machine 10 has the function of cleaning objects.

In some embodiments of the present invention, as shown in fig. 1-4, the extending direction of the touch rod 42 and the extending direction of the first segment 41 form an obtuse angle, so that the first segment 41 can be pushed by the push valve element 21 to connect or disconnect the water path between the fluid inlet 26 and the fluid outlet 27, and the touch rod 42 can be controlled to rotate the first segment 41 around the pivot shaft 95.

In some embodiments of the present invention, the second section 44 may be arc-shaped, so that the second section 44 can trigger the control switch 3 conveniently, and the structure of the second section 44 can be more reasonable.

In some embodiments of the present invention, as shown in fig. 1 to 4, the battery pack 5 may be disposed below the control switch 3, and it should be noted that the battery pack 5 is located in front of the hydro-electric linkage 4, so as to make the overall structure of the cleaning machine 10 more compact, and further reduce the size of the cleaning machine 10, thereby making the cleaning machine 10 smaller. And, battery package 5 can be connected with control switch 3, and when control switch 3 was not closed, control switch 3 control battery package 5 was not outwards exported the electric energy, and cleaning machine 10 was out of work this moment, and when control switch 3 was closed, control switch 3 control battery package 5 was outwards exported the electric energy, and cleaning machine 10 was worked this moment.

In some embodiments of the present invention, the battery pack 5 and the motor 92 are connected by an electric wire, and 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 operate, thereby draining the liquid into the handheld spray gun 8.

In some embodiments of the present invention, the washing machine 10 may further include: a from lock button for locking 4 of stagnant water electric linkage, the below of locking button is provided with the spring, and when cleaning machine 10 was out of work, from lock button supported each other with 4 of water and electricity linkage, can avoid user's maloperation cleaning machine 10 to can guarantee cleaning machine 10's safety in utilization. When the cleaning machine 10 needs to work, a user presses the self-locking button, the self-locking button is staggered with the hydroelectric linkage piece 4, and the user can control the hydroelectric linkage piece 4 to rotate, so that the cleaning machine 10 can be started.

Wherein, when operating personnel pressed water hydraulic electric linkage 4, the power of applying to water electric linkage 4 was F, the distance between the A application of force point of applying to water electric linkage 4 and the pivot axle 95 was L, the scope of L is 30-50mm, the power that water electric linkage 4 applied to case 21 was F1, the distance between the B application of force point of water electric linkage 4 and the pivot axle 95 was L1, the scope of L1 was 5-8mm, the power that water electric linkage 4 applied to control switch 3 was F2, the distance between the C application of force point of water electric linkage 4 and the pivot axle 95 was L2, the scope of L2 was 5-8mm, then: f × L ═ F1 × L1+ F2 × L2. The setting can reduce the size that operating personnel pressed 4 power of hydraulic pressure electric linkage like this, can make the cleaning machine 10 operation more laborsaving to can promote user experience.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A cleaning machine, characterized in that it comprises:

the handheld spray gun comprises a spray gun shell, wherein a spray gun liquid inlet for fluid to enter and a spray gun liquid outlet for fluid to be sprayed out are formed in the spray gun shell, and the spray gun shell is provided with a handle for holding;

the main machine is arranged separately from the handheld spray gun and comprises a pump for pressurizing fluid and a motor for driving the pump to work;

the water pipe is connected between the handheld spray gun and the main machine and guides the fluid pressurized by the pump to the liquid inlet of the spray gun;

a battery pack for supplying energy to the motor, the battery pack being detachably connectable to the spray gun housing;

the control switch is used for controlling the connection and disconnection between the battery pack and the motor;

the water inlet valve is arranged in the spray gun shell and comprises a valve core and a valve seat, and the valve seat is provided with a fluid inlet and a fluid outlet which can be communicated with the water pipe;

the hydroelectric linkage piece is connected with the spray gun shell and can trigger the control switch to control the battery pack to be electrically conducted with the motor and control the fluid inlet to be communicated with the water channel between the fluid outlet.

2. The washer of claim 1, wherein said electro-hydraulic linkage is movable relative to said spray gun housing between a first position and a second position, when said electro-hydraulic linkage is in said first position, electrical continuity between said battery pack and said motor is provided, and no water path is provided between said fluid inlet and said fluid outlet;

when the hydroelectric linkage piece is located at the second position, the water inlet valve is opened, the fluid inlet and the fluid outlet are communicated in a waterway way, and the control switch controls the electric conduction between the battery pack and the motor.

3. The washer of claim 1, wherein said electro-hydraulic linkage in turn actuates said control switch and said fill valve to activate said washer.

4. The cleaning machine of claim 2 wherein the spray gun housing includes a main body portion having a water flow extending in a spray direction, the handle is disposed at an angle of less than 180 degrees to the main body portion, the handle includes a front end connected to the main body portion and a rear end opposite the front end and located at the free end, and the spray gun inlet is disposed at the rear end of the handle.

5. The washing machine as claimed in claim 4 wherein the inlet valve is disposed within the body portion.

6. The cleaning machine of claim 5 wherein the fluid inlet is located on a rear side of the cartridge and the fluid outlet is located on a front side of the cartridge.

7. The washing machine as claimed in claim 5 wherein the control switch is disposed within the main body portion.

8. The cleaning machine of claim 7 wherein the electro-hydraulic linkage is pivotally connected to the spray gun housing about a pivot axis for switching between the first position and the second position, the valve cartridge, the pivot axis, and the control switch being arranged in sequence within the main body portion in the direction of water flow.

9. The washer of claim 2, wherein the inlet valve includes a first seal disposed between the valve element and the valve seat for blocking fluid communication between the fluid inlet and the fluid outlet, and a second seal disposed between the valve element and the valve seat in a direction in which the valve element extends at a lower end of the first seal for blocking water flow from the inlet valve into the spray gun housing when the electro-hydraulic linkage is moved to the second position.

10. The washer of claim 9, wherein said inlet valve further comprises a guide for limiting the path of movement of said valve element and a third seal disposed between said guide and said valve element, said third seal being located at an upper end of said first seal for blocking water flow communication between said fluid inlet and said spray gun housing when said electro-hydraulic linkage is moved to said first position.

11. The washer of claim 8, wherein said hydro-electric linkage includes first and second sections on opposite sides of said pivot axis, said first section being capable of pushing said spool upwardly to communicate said fluid inlet and said fluid outlet;

the second section can be pressed downwards to trigger the control switch so as to communicate the battery pack with the motor.