CN115534888A

CN115534888A - Be applicable to water tank device for vehicle burnisher

Info

Publication number: CN115534888A
Application number: CN202211255305.8A
Authority: CN
Inventors: 周杰; 伍洲
Original assignee: Wuhan Shuimofang Intelligent Technology Co ltd
Current assignee: Wuhan Shuimofang Intelligent Technology Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-30

Abstract

The invention is applicable to the technical field of vehicle cleaning tools. The invention discloses a water tank device for a vehicle cleaning tool, which comprises a water tank for containing cleaning solution, a waterway interface for conveying the cleaning solution and recovering sewage diluted by the cleaning solution, and a pressure relief assembly communicated with the inside and the outside of the water tank, wherein the waterway interface comprises a clean water output assembly and/or a sewage access assembly which are automatically closed, the water tank device further comprises a filtering assembly, and the filtering assembly is connected with the clean water output assembly or the sewage access assembly. Because the water tank is equipped with filtering component can be so that the sewage of retrieving can use again through filtering, perhaps makes the cleaning solution of carrying use after filtering, can improve the utilization efficiency of water tank normal water, the extension scavenging period sets up pressure release component simultaneously and can obtain the release with sewage utilization in-process water tank pressure increase.

Description

Be applicable to water tank device for vehicle burnisher

Technical Field

The invention relates to the technical field of vehicle cleaning, in particular to a water tank device for a vehicle cleaning tool.

Background

The vehicle needs to be cleaned frequently, otherwise dust is easily formed on the surface of the vehicle, and the appearance of the vehicle is affected. The existing vehicle is cleaned in two ways, namely, professional cleaning is provided through a special vehicle beauty place; secondly, the user uses a professional tool to do his own work. For the former, there are disadvantages that the user is required to move the vehicle to a beauty place, the time for using is long, not only the cost for cleaning is not low, but also the water consumption is large, and it is not environment-friendly. For the latter, although the cost is low, the water consumption is not small, which causes water waste, and the phenomenon of unclean washing is easy to occur due to the labor consumption, so that the ideal cleaning effect cannot be achieved.

The cleaning tool can be cleaned on line in the vehicle cleaning process, so that the cleaning tool is in a cleaning state, water can be saved, and the vehicle cleaning effect can be improved. However, the online cleaning tool needs a clean water tank and a sewage tank, and when the independent layout is adopted, the water tank occupies a large volume, and the quality of the cleaning tool is increased due to the complex pipeline connection, which brings inconvenience to the use.

When the vehicle cleaning tool adopts the cleaning roller to continuously clean, in the automatic cleaning process of the cleaning roller, part of air generated when the cleaning roller is extruded enters a cleaning liquid loop along with extruded water, so that the loop pressure is increased, the loop liquid conveying efficiency is low, and the pressure accumulated in the cleaning liquid loop can flush the sealing structures at the joints, the joint parts and the like in a conveying pipeline to cause the leakage of the cleaning liquid loop, thereby seriously affecting the performance of a vehicle washing device.

Disclosure of Invention

The invention mainly solves the technical problem of providing the water tank device for the vehicle cleaning tool, which can avoid abrasion and can only be integrally replaced, thereby reducing the use cost.

In order to solve the above-mentioned technical problems, the present invention provides a water tank device for a vehicle cleaning tool, comprising: the water tank is used for containing cleaning liquid; a waterway interface for conveying the cleaning solution and recovering the sewage diluted by the cleaning solution; and the pressure relief assembly is communicated with the inside and the outside of the water tank.

On the basis of the technical scheme, the invention can be further improved as follows.

Furthermore, the waterway interface comprises a clean water output assembly which is automatically closed.

Furthermore, the waterway interface also comprises a sewage access assembly which is automatically closed.

Furthermore, the water tank device for the vehicle cleaning tool also comprises a filtering component, and the filtering component is connected with the clean water output component or the sewage inlet component.

The clear water output assembly and the sewage access assembly respectively comprise an inlet and outlet water thimble with a through hole and an inlet and outlet water interface end connector sleeved on the inlet and outlet water thimble, an inlet and outlet water jacking spring for enabling the inlet and outlet water thimble structure to be in an extending trend is sleeved on the inlet and outlet water thimble, the inlet and outlet water thimble comprises an ejection part matched with an inlet and outlet water port on the inlet and outlet water interface end connector and a limiting part limiting the moving position, a sealing ring is arranged between the ejection part and the inlet and outlet water port, and after the inlet and outlet water thimble is jacked and moved, the through hole and the inlet and outlet water port.

Furthermore, the water inlet and outlet interface end connector is provided with two water inlet and outlet cavities communicated with the water tank, and the two water inlet and outlet cavities can form two water inlet and outlet channels with the water inlet and outlet through the through holes.

Further, the water inlet and outlet interface end connector is of an integrated structure, the two water inlet and outlet cavities are arranged independently, and the two water inlet and outlet channels are arranged independently.

On the basis of the technical scheme, the invention can be improved as follows. Further say, the pressure release subassembly is including being located the pressure release pipe in the water tank and the installed part of being connected with the pressure release pipe, and this installed part is fixed with the connecting seat on the water tank, the water tank is equipped with one-way pressure release mouth, and this one-way pressure release mouth sets up in the region that the connecting seat is injectd and communicates through pressure release pipe and water tank.

Furthermore, the connecting seat is arranged on one side, far away from the waterway interface, of the water tank.

The pressure relief pipe is a flexible pressure relief pipe, a buoyancy lifting structure enabling the pressure relief air hole to be located above the liquid level is connected to the free end of the flexible pressure relief pipe, and the buoyancy lifting structure is provided with more than one pressure relief micro hole communicated with the pressure relief air hole.

Further, the buoyant lift structure comprises a buoyant sphere.

Furthermore, the buoyancy ball is at least provided with a filter screen around the pressure relief micropores.

Furthermore, the water tank still is equipped with the pipe that absorbs water with clear water output assembly intercommunication, should absorb water the pipe and extend to change the one end bottom that filtering component deviates from sewage and insert the subassembly always, should absorb water the pipe other end and be equipped with the water inlet, work as clear water output assembly inclines still can stabilize the play water when up.

Furthermore, a plurality of water suction holes are distributed on the side wall of the water suction pipe along the length direction and the circumferential direction of the water suction pipe.

Further say, the water tank includes casing and lower casing, goes up and realizes sealing connection through the ultrasonic fusion layer between casing and the lower casing, the bottom of casing upwards extends a side and is the inclined plane down, the top on casing inclined plane down with a side tip that the water route interface is relative is equipped with the joint portion of being convenient for the installation fixed, is equipped with the joint groove of indent in this joint portion.

The invention is suitable for a water tank device for a vehicle cleaning tool, and comprises a water tank for containing cleaning solution, a waterway interface for conveying the cleaning solution and recovering sewage diluted by the cleaning solution, and a pressure relief assembly for communicating the inside and the outside of the water tank. The waterway interface comprises a clear water output assembly and/or a sewage access assembly which are/is automatically closed. The water tank device for the vehicle cleaning tool further comprises a filtering component, and the filtering component is connected with the clean water output component or the sewage access component.

Because the water tank is equipped with filtering component and can be so that the sewage of retrieving can be through filtering reuse, perhaps make the cleaning solution of carrying use after can filtering, can improve the utilization efficiency of water in the water tank, extension cleaning time. Meanwhile, the pressure relief assembly is arranged, so that the pressure of the water tank can be increased and released in the process of utilizing clear water or sewage. In addition, the water tank is only provided with a backwater inlet and/or a clear water outlet, so that the difficulty of setting the water tank is reduced, and the manufacturing difficulty is reduced.

The pressure relief assembly comprises a pressure relief pipe positioned in the water tank and an installation part connected with the pressure relief pipe, the installation part is fixed with the connecting seat on the water tank, the water tank is provided with a one-way pressure relief opening, and the one-way pressure relief opening is communicated with the water tank through the pressure relief pipe. The pressure release pipe is flexible pressure release pipe, is equipped with the pressure release gas pocket with the water tank intercommunication at flexible pressure release pipe free end, can prevent that the pressure release pipe can not remove when specific angle, causes unable pressure release. The free end of the pressure relief pipe is provided with a buoyancy lifting structure which enables the pressure relief air hole to be located above the liquid level, the buoyancy lifting structure is provided with more than one pressure relief micro hole communicated with the pressure relief air hole, and the pressure relief air hole can be guaranteed to be located above liquid level under common use states, so that pressure is effectively released. The buoyancy lift structure comprises a buoyancy ball, and at least a filter screen is arranged around the pressure relief micropores, so that a water film can be formed on the surface of the filter screen by properly arranging the filter screen through small holes and the surface tension of water, liquid is effectively prevented from entering, and meanwhile, the water film formed on the upper surface of the filter screen cannot resist pressure due to the existence of pressure, and the filter screen is easily discharged by pressure relief through the water film.

The water tank still is equipped with the pipe that absorbs water with the water route interface intercommunication, should absorb water the pipe and extend to the one end bottom that filter assembly deviates from the water route interface always, should absorb water the pipe other end and be equipped with the water inlet, work as water route interface slope still can stabilize the play water up.

The bottom of the water tank is arranged to be an inclined plane, and a clamping interface convenient to mount and fix is arranged at the top end of the inclined plane at the bottom of the water tank and at the end part of one side opposite to the waterway interface.

Drawings

In order to illustrate the embodiments of the invention or the technical solutions in the prior art more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the description only show some embodiments of the invention and therefore should not be considered as limiting the scope, and for a person skilled in the art, other related drawings can also be obtained from these drawings without inventive effort.

Fig. 1 is a perspective view of a water tank structure according to an embodiment of the present invention.

FIG. 2 is a left side view of a water tank structure according to an embodiment of the present invention.

Fig. 3 is a view of plane a of fig. 2.

FIG. 4 is a front view of a horizontally disposed water tank in accordance with one embodiment of the present invention.

Fig. 5 is a view of plane B in fig. 4.

Fig. 6 is a partially enlarged view of C in fig. 5.

Fig. 7 is a schematic view of the highest working state of the tail of the water tank according to an embodiment of the present invention.

Fig. 8 is a schematic view of the highest working state of the waterway interface of the water tank according to an embodiment of the present invention.

Reference numerals:

the device comprises a waterway interface 10, an interface end connector 101, a clear water output assembly 102, a sewage access assembly 103, a waterway interface bottom shell 104, a waterway interface bottom shell through hole 1041 and a water suction pipe 106;

the water tank 20, a clamping part 201, a clamping groove 202, a one-way pressure relief opening 203 and a pressure relief assembly connecting seat 204;

the pressure relief assembly 30, the pressure relief assembly mounting piece 301, the pressure relief pipe 302, the pressure relief air hole 3021, the buoyancy lifting structure 303 and the pressure relief micro hole 3031;

a filter unit 40, a filter unit connection port 401, and a filter holder 402;

the water outlet ejector pin 1021, the water outlet sealing ring 1022, the water outlet limiting part 1023, the water outlet channel 1024 and the water outlet jacking spring 1025;

a water return ejector pin 1031, a water return sealing ring 1032, a water return limiting part 1033, a water return channel 1034 and a water return top pressure spring 1035;

a liquid level line H;

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The following claims of the present invention are further detailed in conjunction with the specific embodiments and the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work shall fall within the protection scope of the present invention.

It should be understood that in the description of the embodiments of the present invention, all directional terms such as "upper", "lower", "left", "right", "front", "back", etc. indicate orientations or positional relationships based on orientations, positional relationships shown in the drawings or orientations or positional relationships that the product of the present invention is usually placed in when in use, and are used for the convenience of simplifying the description of the present invention, but do not explicitly or implicitly indicate that the device, element or component referred to must have a specific orientation and a specific orientation configuration, and should not be construed as limiting the present invention. For the purpose of explaining only the relative positional relationship between the respective components, the movement, and the like, as shown in the drawings, when the specific posture is changed, the directional indication may be changed accordingly.

Furthermore, the use of ordinal terms such as "first", "second", etc., in the present application is for distinguishing between similar elements and not intended to imply or imply relative importance or the number of technical features indicated. The features defining "first" and "second" may be explicit or implicit in relation to at least one of the technical features. In the description of the present invention, "a plurality" means at least two, i.e., two or more, unless expressly defined otherwise; the meaning of "at least one" is one or both.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounting," "disposing," "connecting," "fixing," "screwing" and the like are to be construed broadly, for example, the positional relationship between the components may be relatively fixed, or the components may be physically fixed and connected, or may be detachably connected, or may be integrated into one structure; the connection can be mechanical connection or electrical signal connection; either directly or indirectly through intervening media or components; the two elements can be communicated with each other or can be in an interaction relationship with each other, and unless the specification explicitly defines otherwise, the corresponding functions or effects cannot be realized in other aspects, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention relates to a controller and a control circuit, which are conventional control techniques or units for those skilled in the art, and the control circuit of the controller can be implemented by those skilled in the art by using conventional techniques, such as simple programming. Software or programs related to the implementation of the control result in cooperation with hardware, such as software or program control procedures related to the implementation of the control result, which are not described in detail in the specification, belong to the technical field of the prior art or the routine of a person with ordinary skill in the art. The power supply also adopts the prior art, and the main technical point of the invention lies in the improvement of mechanical devices, so the invention does not need to describe the specific circuit control relation and circuit connection in detail.

The present disclosure provides many different embodiments or examples for implementing different configurations of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described herein. Of course, they are merely examples and are not intended to limit the present invention. Moreover, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

As shown in fig. 1 to 8, the present invention provides an embodiment of a tank device for a vehicle cleaning tool.

Specifically, as shown in fig. 1, 3 and 4, the tank device for a vehicle cleaning tool includes a tank 20 for containing a cleaning liquid, a waterway connector 10 for delivering the cleaning liquid and simultaneously recovering sewage diluted by the cleaning liquid, and a pressure relief assembly 30 for communicating the inside and the outside of the tank.

As shown in fig. 1, 3, and 5, the waterway interface 10 includes an interface terminal 101, an automatically-closed fresh water output assembly 102, an automatically-closed sewage access assembly 103, and a waterway interface bottom case 104, the waterway interface bottom case 104 faces the internal receiving space of the water tank 20, the interface terminal 101 faces the external space of the water tank 20, the fresh water output assembly 102 and the sewage access assembly 103 are limited in the space enclosed by the interface terminal 101 and the waterway interface bottom case 104, an opening (not shown) of the fresh water output assembly and an opening (not shown) of the sewage access assembly correspond to an opening (not shown) of the interface terminal (not shown) and an opening (not shown) of the waterway interface bottom case, and the fresh water output assembly 102 and the sewage access assembly 103 cannot move in the plane defined by the end face of the interface terminal 101.

Specifically, as shown in fig. 5 and 6, the clean water output assembly 102 includes a water outlet thimble 1021 having a through hole and an interface end connector 101 sleeved on the water outlet thimble, the water outlet thimble is sleeved with a water outlet jacking spring 1025 enabling the water outlet thimble structure to be in a stretching trend, the water outlet thimble includes a jacking portion (not marked in the figure) matched with a clean water outlet (not marked in the figure) on the interface end connector and a water outlet limiting portion 1023 limiting a moving position, a water outlet sealing ring 1022 is disposed between the jacking portion and the clean water outlet, and when the water outlet thimble is jacked and moved, the through hole is communicated with the clean water outlet. The interface connection piece is provided with a water outlet cavity (not shown) which is communicated with the water tank and can form a water outlet channel 1024 with the clear water outlet through the through hole.

Specifically, as shown in fig. 5 and 6, the sewage inlet assembly 103 includes a water return thimble 1031 provided with a through hole, and an interface connector 101 sleeved on the water return thimble, the water return thimble is sleeved with a water return top pressure spring 1035 for making the water outlet thimble structure in an extending trend, the water return thimble includes an ejection portion (not shown) matched with a water return inlet (not shown) on the interface connector and a water return limiting portion 1033 for limiting a moving position, a water return sealing ring 1032 is provided between the ejection portion and the water return inlet, and after the water return thimble is pushed and moved, the through hole is communicated with the water return inlet. The interface connection piece is provided with a water return cavity (not shown) communicated with the water tank, and the water return cavity can form a water return channel 1034 with a water return inlet through a through hole.

As required, as shown in fig. 3 and 5, the water tank device for a vehicle cleaning tool further includes a filter assembly 40 for converting a recovered liquid into a cleaning liquid, one end of the filter assembly 40, which is far away from the water channel connector 10, extends to an inclined plane close to the water tank 20, so as to increase a surface area of the filter assembly 40, the filter assembly 40 includes a filter bracket 402 and a filter screen (not shown in the drawings) covering a surface of the cage-shaped filter bracket 402, so that the cage-shaped filter bracket 402 forms a relatively independent space, the independent space is communicated with the water tank through the filter screen, the filter screen is provided with filter through holes (not shown in the drawings), only one end of the filter assembly 40 is provided with an opening, the outer surface of the open end of the filter assembly 40 of the cage-shaped filter bracket 402 is provided with a filter assembly connector 401 with an external thread, and the cage-shaped filter bracket 402 is matched with an internal thread at an interface at one end of the water channel connector 101 of the water channel connector 10 through the filter assembly connector 401, thereby realizing detachable connection of the filter assembly 40 on the water channel connector 10.

Specifically, as shown in fig. 5, 6, and 7, a port (not shown in the drawings) connected to the suction pipe 106 is disposed at an end of the waterway connector 10 near the reservoir cavity, the suction pipe 106 extends to the bottom of the filter assembly 40, the sewage flowing back to the cavity of the reservoir 20 is filtered by the filter assembly 40 to become relatively clean water, and the clean water is sucked into the waterway connector 10 through the suction pipe 106 and then is transported to the surface of the cleaning roller scrubbing sponge layer (not shown in the drawings) through a pipeline. The length of the barrel 106 should not be too short, which could cause the barrel 106 to not suck clean water when the water supply is tilted upward (as shown in fig. 8) and the liquid level H is too low. The length of the water suction pipe 106 is slightly shorter than the length of the filter assembly 40, so that the water suction of the water inlet pipe can be smoothly ensured when the water supply device inclines upwards and the liquid level is too low, the water inlet (not shown in the drawing) of the water suction pipe 106 is arranged at the tail end of the water inlet pipe, a plurality of water inlet holes (not shown in the drawing) are formed in the side wall of the water inlet pipe, the plurality of water inlet holes are distributed in the length direction and the circumferential direction of the whole water inlet pipe, a certain gap is reserved between the water inlet hole and the bottom wall and the side wall of the filter assembly 40, so that the filter assembly 40 is ensured to have a certain space besides the filtering effect of the filter screen, and the filtered clear water has a certain flow rate gradual change space in space, so that impurities are prevented from being accumulated around the water inlet hole. The advantages that a plurality of water inlet holes are distributed in the length direction and the circumferential direction of the whole water inlet pipe are that: regardless of whether the water supply device is tilted upward (as shown in fig. 8) or tilted downward (as shown in fig. 7), the water inlet and/or the water inlet hole can suck enough fresh water to allow the vehicle washing apparatus equipped with the water supply device to work normally.

Specifically, as shown in fig. 2 and fig. 3, the bottom of the water tank is an inclined plane, a concave clamping portion 201 convenient for installation and fixation is arranged at the top end of the inclined plane at the bottom of the water tank and at a side end portion opposite to the waterway connector 10, and the clamping portion is further provided with a clamping groove 202 continuing to be concave.

Further, the water tank includes casing (not mark in the figure) and casing (not mark in the figure) down, goes up and realizes sealing connection through ultrasonic bonding layer (not mark in the figure) between casing and the lower casing, the bottom of casing upwards extends a side and is the inclined plane down, the top on casing inclined plane down with a side tip that waterway interface 10 is relative is equipped with the joint portion 201 of being convenient for the installation fixed, is provided with the joint groove 202 of indent in this joint portion. Specifically, as shown in fig. 1 and 3, the pressure relief assembly 30 includes a pressure relief pipe 302 located in the water tank and a mounting member 301 connected to the pressure relief pipe, the mounting member being fixed to a connection seat 204 on the water tank, and the water tank is provided with a one-way pressure relief opening 203 in an area defined by the connection seat 204, and the one-way pressure relief opening is communicated with the water tank through the pressure relief pipe. As shown in FIG. 3, the pressure relief pipe is a flexible pressure relief pipe, and a pressure relief air hole 3021 communicated with the water tank is arranged at the free end of the flexible pressure relief pipe. The free end of the pressure relief pipe is provided with a buoyancy structure 303 which enables the pressure relief air hole to be positioned above the liquid level, and the buoyancy structure is provided with more than one pressure relief micro hole 3031 communicated with the pressure relief air hole 3021. The buoyant lift structure comprises a buoyant ball. The buoyancy ball is at least provided with a filter screen (not marked in the figure) around the pressure relief micropores.

The pressure release pipe is flexible pressure release pipe, is equipped with the pressure release gas pocket with the water tank intercommunication at flexible pressure release pipe free end, can prevent that the pressure release pipe can not remove when specific angle, causes unable pressure release. The free end of the pressure relief pipe is provided with a floating structure which enables the pressure relief air hole to be located above the liquid level, so that the pressure relief air hole can be guaranteed to be located above liquid level under common use states, and pressure is effectively released. The buoyancy lift structure comprises a buoyancy ball, the filter screen is arranged around the pressure relief air hole at least, a water film can be formed on the surface of the filter screen by properly setting and utilizing the small holes of the filter screen and the surface tension of water, liquid is effectively prevented from entering, meanwhile, the water film formed on the upper surface of the filter screen cannot resist pressure due to the existence of pressure, and the filter screen is easily discharged by pressure relief through the water film.

Because the water tank is equipped with filtering component can make the sewage of retrieving can filter the reuse, can improve the utilization efficiency of water in the water tank, the extension cleaning time. Meanwhile, the pressure relief assembly is arranged, so that the pressure of the water tank can be increased and released in the sewage utilization process. In addition, the water tank is only provided with a backwater inlet and/or a clear water outlet, so that the difficulty of setting the water tank is reduced, and the manufacturing difficulty is reduced.

According to the requirement, the water outlet interface end connector and the water return interface end connector are of an integrated structure, and the water return cavity and the water outlet cavity are arranged independently. In order to better realize the fixation of the sealing ring, the backwater thimble and the water outlet thimble are respectively provided with a fixing groove for fixing the backwater sealing ring and the water outlet sealing ring.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.

Claims

1. A water tank device for a vehicle cleaning tool, comprising:

the water tank is used for containing cleaning liquid;

a waterway interface for conveying the cleaning solution and recovering the sewage diluted by the cleaning solution;

and the pressure relief assembly is communicated with the inside and the outside of the water tank.

2. The water tank device for vehicle cleaning tools as claimed in claim 1, wherein the waterway interface includes a fresh water output assembly that can be automatically closed.

3. The water tank device for vehicle cleaning tools as claimed in claim 2, wherein the waterway interface further comprises a sewage access assembly that can be automatically closed.

4. The water tank device for vehicle cleaning tools as claimed in claim 3, further comprising a filter assembly connected to the clean water output assembly or the sewage inlet assembly.

5. The water tank device for vehicle cleaning tools as defined in claim 3, wherein said clean water output assembly and said sewage receiving assembly each comprise a water inlet and outlet thimble having a through hole and a water inlet and outlet port end fitting sleeved on said water inlet and outlet thimble, said water inlet and outlet thimble is sleeved with a water inlet and outlet spring for urging the water inlet and outlet thimble to an extended position, said water inlet and outlet thimble comprises an ejector portion engaged with the water inlet and outlet port of said water inlet and outlet port end fitting and a stopper portion for limiting a moving position, a seal ring is disposed between said ejector portion and said water inlet and outlet port, and said through hole and said water inlet and outlet port are formed after said water inlet and outlet thimble is moved by being pushed.

6. The water tank device for vehicle cleaning tools as defined in claim 5, wherein the water inlet/outlet port terminal is provided with two water inlet/outlet cavities communicating with the water tank, the two water inlet/outlet cavities being capable of forming two water inlet/outlet passages with the water inlet/outlet port through the through hole.

7. The water tank device for vehicle cleaning tool as claimed in claim 6, wherein said inlet/outlet port terminal is a unitary structure, said two inlet/outlet water cavities are provided independently of each other, and said two inlet/outlet water passages are provided independently of each other.

8. The water tank device for a vehicle cleaning tool according to claim 1, wherein the pressure relief assembly includes a pressure relief pipe disposed in the water tank and a mounting member connected to the pressure relief pipe, the mounting member being fixed to a connecting seat provided on the water tank, and the water tank is provided with a one-way pressure relief port provided in an area defined by the connecting seat and communicating with the water tank through the pressure relief pipe.

9. The water tank device for vehicle cleaning tools as claimed in claim 8, wherein the connection seat is provided on a side of the water tank away from the waterway connection port.

10. The water tank device for vehicle cleaning tools as defined in claim 9, wherein the pressure relief pipe is a flexible pressure relief pipe, a floating structure is connected to a free end of the flexible pressure relief pipe to make the pressure relief vent above the liquid level, and the floating structure is provided with more than one pressure relief vent.

11. The water tank device for vehicle cleaning tools as claimed in claim 10, wherein the buoyant lift structure comprises a buoyant ball.

12. The water tank device for vehicle cleaning tools as defined in claim 11, wherein the buoyant spheres are provided with a filter screen at least around the pressure relief micropores.

13. The water tank device for use in a vehicle cleaning tool as defined in claim 1, wherein said water tank further comprises a suction pipe connected to said waterway connector, said suction pipe extending to a bottom of said filter assembly opposite to said waterway connector, said suction pipe having an inlet at an opposite end thereof, said suction pipe being capable of stabilizing water discharge when said waterway connector is tilted upward.

14. The water tank assembly for a vehicle cleaning tool as defined in claim 13, wherein said suction tube side wall is formed with a plurality of suction holes along a length direction and a circumferential direction thereof.

15. The water tank device for the vehicle cleaning tool as claimed in claim 1, wherein the water tank comprises an upper housing and a lower housing, the upper housing and the lower housing are hermetically connected by an ultrasonic welding layer, a side surface of the lower housing extending upwards is an inclined surface, a clamping portion convenient for installation and fixation is arranged at a side end portion of a top end of the inclined surface of the lower housing opposite to the waterway interface, and a concave clamping groove is arranged on the clamping portion.