CN115445302A

CN115445302A - Integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration

Info

Publication number: CN115445302A
Application number: CN202211255574.4A
Authority: CN
Inventors: 周杰
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: 2022-12-09

Abstract

The invention is suitable for the technical field of cleaning equipment. The invention discloses an integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration, which comprises a cylindrical water tank body assembly with an open end and a closed end, a water tank bayonet assembly arranged on the end surface of the closed end of the water tank body assembly, a pressure-relief filtering assembly in the water tank body assembly in a sliding and clamping manner, and a water tank cover assembly covering the open end of the water tank body assembly, wherein the water tank body assembly is provided with a clean water channel, a sewage channel and an exhaust channel, the pressure accumulated in a containing cavity can be released out of the water tank along the exhaust channel through the pressure-relief filtering assembly, and the clean water channel, the sewage channel and the exhaust channel can be automatically closed when the water tank is taken down from a cleaner body. When the pressure relief valve is used, the water tank is in a moving state, so that a pre-pressure relief opening is communicated with the pressure relief channel necessarily, and the pressure in the water tank can be released.

Description

Integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration

Technical Field

The invention relates to the technical field of cleaning appliances, in particular to an integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration.

Background

In daily life, everybody is used to the cleaner with all the habits and washs environment at home or life and trip articles for use, and for guaranteeing the cleaner water consumption, the cleaner all can arrange the water tank, and some cleaners adopt the disconnect-type water tank of decontaminating at present, and some cleaners adopt circulation integral type water tank. The integrated water tank for cleaning and decontaminating is mainly characterized in that sewage after cleaning products enters the water tank after being treated, so that the recycling of water is improved.

In addition, because the water tank is generally a sealed container, in order to ensure the normal flow of clean water during operation, the water tank needs to be decompressed. Simultaneously, the integral type water tank of decontaminating usually need set up filter equipment, and the water tank that contains filter equipment on the market at present generally is the water inlet of locating sewage with filter equipment, filters sewage when sewage gets into, and the water rethread delivery port after the filtration is used for cleaning needs abluent article or environment, and the shortcoming of this kind of design is: too much impurity can remain among the filter equipment, blocks up the filtration pore easily after the time is a long time to influence the filter effect, and present filter equipment generally locates in the water tank, washs and gets up very inconveniently.

Disclosure of Invention

The invention mainly solves the technical problem of providing an integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration, which can realize filtration of sewage flowing back to a water tank and release pressure accumulated in the whole water tank at the same time, and reduce adverse effects on pressure increase of a cleaner pipeline when pressure in the water tank is increased.

In order to solve the problems, the invention provides an integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration, which is characterized by comprising a cylindrical water tank body assembly with an open end and a closed end, a water tank bayonet assembly arranged on the end surface of the closed end of the water tank body assembly, a pressure relief filtering assembly in the water tank body assembly in a sliding and clamping manner, and a water tank cover assembly covering the open end of the water tank body assembly, wherein the water tank body assembly is provided with a clear water channel, a sewage channel and an exhaust channel, the pressure accumulated in a containing cavity can be released out of the water tank along the exhaust channel through the pressure relief filtering assembly, and the clear water channel, the sewage channel and the exhaust channel can be automatically closed when the water tank is taken down from a cleaner body.

Further, the water tank body assembly comprises a cylindrical water tank body and a bayonet portion, the cylindrical water tank body is provided with an open end and a closed end and is provided with a containing cavity, the closed end seals the bayonet portion of the containing cavity, the water tank body and the bayonet portion are integrally formed, and the bayonet portion is provided with a multilayer wall thickness structure in the depth direction of the water tank body.

Furthermore, multilayer wall thickness structure includes at least with pressure release filtering component points to the first step terminal surface of a terminal surface butt of bayonet part, encloses out sewage passageway surrounding wall and the second step terminal surface that is on a parallel with first step terminal surface of sewage passageway.

Furthermore, the water tank body assembly is provided with a rib plate for the sliding clamping of the pressure relief filtering assembly, and guide wings capable of being slidably clamped on the rib plate are arranged on two sides of the pressure relief filtering assembly.

Furthermore, the pressure relief filter assembly comprises a filter assembly provided with a water outlet interface and an exhaust interface and a pressure relief assembly arranged inside the filter assembly and connected with the filter assembly, wherein one end of a pressure relief channel of the pressure relief assembly is connected to the exhaust interface and is abutted to the inner wall of the bayonet part.

Furthermore, the pressure relief assembly comprises a pressure balance mechanism which can be communicated with the inside and the outside of the water tank accommodating cavity, the pressure balance mechanism comprises a pressure relief opening and a pressure relief channel communicated with the pressure relief opening, and the pressure relief channel is provided with two pre-pressure relief openings which are respectively communicated with the water tank accommodating cavity and a pre-pressure relief opening control assembly which respectively controls one of the two pre-pressure relief openings to be communicated with the pressure relief opening through the pressure relief channel.

Furthermore, the pressure balance mechanism is connected with the filtering component provided with the exhaust interface, and a part of the pressure relief channel is formed when the pressure relief port of the pressure balance mechanism is communicated with the exhaust interface of the filtering component.

Furthermore, the pre-decompression opening control assembly comprises a decompression channel and two decompression control switches communicated with the decompression channel, when the two decompression control switches are not on the same horizontal line, one of the decompression control switches is in a closed state, and when the two decompression control switches are on the same horizontal line, one of the decompression control switches can be flushed away by liquid in the cavity under the action of inertia.

Furthermore, the pressure relief control switch comprises two movable gravity balls, two limiting parts for limiting the moving positions of the gravity balls and two elastic sleeves which can be blocked by the gravity balls and contain pre-pressure relief through holes.

Furthermore, the pressure relief control switch comprises an I-shaped pressure relief groove connected with the front end wall and the rear end wall of the filter assembly, the root part of the pressure relief groove connected with the front end wall and the rear end wall of the filter assembly is provided with four pressure relief notches, the elastic sleeve is arranged at two ends of the pressure relief groove and can be taken out upwards, the two limiting parts are arranged at two positions of 1/3 and 2/3 of the length dimension of the pressure relief groove and extend upwards from the bottom surface of the pressure relief groove to form, and the two gravity balls are arranged between the elastic sleeve and the limiting parts.

Furthermore, the bottom of the pressure relief groove is provided with an inclined plane which enables the gravity ball to move towards the direction of the pre-pressure relief through hole and a flat plane which is parallel to the pre-pressure relief through hole and is connected with the bottom of the inclined plane.

Furthermore, a pressure relief rear-stage channel which extends from the top of the pressure relief groove downwards to the middle of the height direction of the filter assembly, then extends towards the corner of the front wall of the filter assembly for 90 degrees, then continues to extend towards the end face of the front wall of the filter assembly and is communicated with the exhaust port on the front end face is arranged at the middle part of the pressure relief groove and is close to one side wall, and the pressure relief rear-stage channel is a part of the pressure relief channel.

Furthermore, the pressure relief back end channel comprises a pressure relief back end channel component, a downward sunken exhaust valve installation step is arranged at the starting position of the top of the pressure relief groove of the pressure relief back end channel, a pressure relief back end channel inlet is arranged at the center of the exhaust valve installation step, and a tubular component which is used for connecting the pressure relief channel inlet and the exhaust interface, has a 90-degree corner and surrounds and seals the whole pressure relief back end channel is the pressure relief back end channel component on a channel of the pressure relief back end channel.

Furthermore, the filtering component comprises a long box-shaped framework with two open top surfaces and two hollow bottom surfaces and a filtering net covered on the two side surfaces and the bottom surface of the long box-shaped framework, and the guide wings are arranged on the two side surfaces of the long box-shaped framework.

Furthermore, the front end wall and the rear end wall of the long box-shaped framework are solid walls, one end wall abutted against the inner wall of the clamping end face of the water tank is provided with a water outlet port and an exhaust port, and the lower part of the other end wall opposite to the end wall is provided with a handle which is convenient for the whole pressure relief and filtration integrated device to slide and take out from the water tank.

Compared with the prior art, the invention has the following technical effects and advantages:

the integrated water tank capable of automatically regulating pressure and performing automatic circulating filtration comprises a water tank body with a containing cavity, a water tank bayonet component arranged on the end face of the closed end of the water tank body component, a pressure relief filtering component in sliding clamping fit in the water tank body component, and a water tank cover component covering the open end of the water tank body component. During the use, the water tank is in the motion state, can not be in the horizontality for a long time basically, when two pressure release control switches are not at same water flat line, one of them pressure release control switch is in the off-state, just so can make one in advance the pressure release mouth through with the pressure release passageway intercommunication, can make the pressure that holds the intracavity release like this, thereby internal and external pressure of balanced water tank, effectively reduce because of the unbalanced production negative effects of water tank internal pressure, even if when circulation washing container is in the horizontality, two pressure release control switches are at same water flat line this moment, one of them pressure release control switch can by the liquid that holds the intracavity is washed away under the inertial action, just so can make in advance the pressure release mouth of inevitable and pressure release passageway intercommunication, so can make the pressure that holds the intracavity release, thereby the internal and external pressure of balanced water tank.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without exceeding the protection scope of the present application.

Fig. 1 is an exploded view of an embodiment of an integrated water tank capable of automatic pressure regulation and automatic circulation filtration according to the present invention.

FIG. 2 isbase:Sub>A plan view of FIG. 1 taken along A-A.

Fig. 3 is a perspective view of the tank body.

Fig. 4 is another perspective view of the tank body.

Fig. 5 is an exploded view of the bayonet part.

Fig. 6 is a partially enlarged view of a portion B of fig. 2.

FIG. 7 is a perspective view of a pressure relief filter assembly.

Fig. 8 is an exploded view of a pressure relief filter assembly.

Fig. 9 is an exploded view of the tank cap assembly.

FIG. 10 is an enlarged fragmentary view of the portion of the tank lid assembly of FIG. 2.

Fig. 11 is a partial schematic view of sewage entering the water tank when the elastic abutting assembly of the sewage passage of the bayonet part is pressed by an external force.

Reference numerals:

a water tank bayonet component 1,

A bayonet end plate 10, a clean water port 101, a sewage port 102, an exhaust port 103,

A bayonet sealing backing plate 11, a clean water port 111, a sewage port 112, an exhaust port 113, a bidirectional piston valve component 12, a piston valve element 121, a spring 122,

Elastic contact component 13, contact piece 131, spring 132,

A water tank body component 2,

A tank body 20, an abutting surface 201, a snap rib 202,

A bayonet part 21, a fourth step end face 210, a clear water channel 211, a sewage channel 212, a sewage side inlet channel 2121, a sewage pipe interface 2122, a sewage channel surrounding wall 2123, an exhaust channel 213, a fastening screw blind hole 214, a third step end face 215, a second step end face 216, a first step end face 217, a central solid part 218, a bayonet part bottom wall 219, a,

A pressure relief filter component 3,

The filter assembly 30, a clean water interface 301, an exhaust interface 302, a guide wing 303, a filter screen 304,

A pressure relief component 31, a limiting part 315, a pre-relief opening 316, a pressure relief notch 318,

Pressure relief channel 317, vent valve mounting step 3171, pressure relief channel inlet 3172, pressure relief channel member 3173, and,

An elastic sleeve 32, a gravity ball 33, an exhaust duckbill valve 34, a sealing ring 35,

A water tank cover component 4,

A water tank cover body 40, a double-sided abutting step 401, a covering outer edge 402, a covering sealing strip 403, a water injection hole 405, a water injection hole inner edge 406, a buckling hole 407, a water injection flip cover mounting groove 408,

A tank cover outer body 41, an abutting step 411, a decorative cover mounting flange 412, a decorative cover 413,

Water injection flap 42, water injection flap mounting shaft 421, and closure sealing flange 422.

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 with reference to the specific embodiments and the 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 persons of ordinary skill in the art based on the embodiments of the present invention without any inventive work also belong to 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 the orientations, positional relationships, or the orientations or positional relationships conventionally used in the product of the present invention, and are used for the convenience of simplifying the description of the present invention, but do not indicate or imply that the device, element, or component being 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, ordinal numbers such as "first," "second," etc., are used for distinguishing purposes only and are not to be construed as indicating or implying any relative importance or imply that the number of technical features being indicated is important. 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 "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood in a broad sense, and for example, the positional relationship between the components may be fixed relatively, or the components may be physically fixed, or may be detachably connected, or may be integrated into a single 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 mutually interacted, and unless the specification explicitly defines otherwise, the corresponding function or effect cannot be realized in other understanding manners, and the specific meaning of the terms in the invention can be understood by those skilled in the art according to specific conditions.

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 invention mainly aims at improving the mechanical device, so the invention does not need to explain the specific circuit control relation and the circuit connection in detail.

The present disclosure provides many different embodiments or examples for implementing different configurations of the invention. Specific example components and arrangements are described herein for simplicity in describing the present disclosure. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself 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 should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.

The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Fig. 1-10 show an integrated water tank capable of automatically adjusting pressure and automatically performing circulating filtration.

Specifically, as shown in fig. 1, 2, and 3, the integrated water tank for a cleaner includes a cylindrical water tank body assembly 2 having a large-end opening and a small-end closing and provided with a receiving chamber, a water tank bayonet assembly 1 installed on a small-end surface of the water tank body assembly 2, a pressure-releasing filter assembly 3 slidably engaged with the water tank body assembly 2, and a water tank cover assembly 4 covering a large-end opening (not shown) of the water tank body assembly 2, wherein the water tank body assembly 2 includes a bayonet portion 21 provided on a small-end surface (not shown) of the water tank body assembly 2 for allowing liquid to enter and exit the receiving chamber, the bayonet portion 21 is provided with a clear water passage 211, a sewage passage 212, and an exhaust passage 213, pressure accumulated in the receiving chamber can be discharged out of the water tank along the exhaust passage 213 provided on the bayonet portion 21 through the pressure-releasing filter assembly 3, the water tank bayonet portion 1 is further detachably fastened to the bayonet portion 21 by a screw, liquid received in the receiving chamber can be further prevented from leaking to other portions of the vehicle cleaner during operation by the water tank bayonet assembly 1, and components of the water tank bayonet assembly 1 can be easily replaced when the liquid in the receiving chamber (the upper and the lower port portion) is not leaked from the receiving chamber, and the entire water tank body can be taken out of the water tank without leakage from the lower port portion 21, and the entire water tank can be taken out of the lower port portion without leakage of the water tank body when the water tank, and the water tank assembly 213, and the entire water tank can be easily replaced, and the entire water tank body assembly, and the water tank body assembly 213, and the entire water tank can be taken out of the water tank body.

Specifically, as shown in fig. 2 and 4, the tank body assembly 2 includes a tank body 20 having a cylindrical shape with a large end open and a small end closed and having a receiving cavity, and a bayonet portion 21 closing the receiving cavity at the small end of the tank body 20, the tank body 20 and the bayonet portion 21 are integrally formed, a side wall (not shown) of the tank body 20 is structurally single but has a uniform wall thickness with respect to an end wall (not shown) of the bayonet portion 21, and the bayonet portion 21 is provided with a multi-layer wall thickness structure (not shown) in a depth direction of the cylindrical tank body 20. Specifically, as shown in fig. 2 and 4, the multi-layer wall thickness structure of the bayonet portion 21 includes a first step end surface 217 abutting against an end surface of the pressure relief filter assembly 3 directed to the water tank bayonet assembly 1, and a second step end surface 216 parallel to the first step end surface 217 of a sewage channel surrounding wall 2123 of the sewage channel. The design can improve the capability of the bayonet part 21 against external impact while ensuring the rigidity strength of the whole water tank body, and can also ensure that the open end (not shown in the figure) of the water tank body 20 can be easily opened/closed on the water tank cover component 4.

As a further improved embodiment, the multi-layer wall thickness structure of the bayonet portion 21 further includes a third step end surface 215 abutting against one side end surface of the bayonet seal backing plate 11 of the water tank bayonet assembly 1, and a fourth step end surface 210 abutting against one side end surface of the bayonet plate 10 of the water tank bayonet assembly 1. The design can improve the ability of the bayonet part 21 to resist external impact while ensuring the rigidity strength of the whole water tank body, and can also ensure that the open end (not shown) of the water tank body 20 can be opened/closed easily to the water tank cover assembly 4.

As shown in fig. 3 and 4, a bottom (not shown) of the cylindrical body at a position where the water tank body 20 is engaged with the cleaner body (not shown) is in a flat state, two abutting surfaces 201 are provided along a waist (not shown) obliquely upward from the flat bottom, and the abutting surfaces 201 of the water tank body 20 and the flat bottom and an oblique waist connecting the two are engaged and abutted with the cleaner body. As shown in fig. 4, two clamping ribs 202 parallel to the axis of the tank body 20 for slidably clamping the pressure relief filter assembly 3 are disposed on the inner side wall of the tank body 20, one end of each clamping rib 202 extends along the depth direction of the tank body 20 to the large-end opening of the tank body 20, and the other end of each clamping rib 202 extends along the depth direction of the tank body 20 to the middle of the tank body 20.

As shown in fig. 2, when referring to fig. 1, 3, 4 and 5, the end surface of the sewage passage 212 of the bayonet part 21 is provided with an abutting part 131, one end of the abutting part 131 facing the outside of the tank body 20 is provided with a chamfer, the other end is provided with a double-layer connecting ring wall (not labeled in the figure) which is not conducted outwards, the hollowed part of the double-layer connecting ring wall is just clamped with a spring 132, the end surface of the sewage passage 212 of the bayonet part 21 is further provided with a sewage passage surrounding wall 2123 which is in close abutment with the outer surrounding wall of the abutting part 131, the part of the sewage passage surrounding wall 2123 on the third step surface is provided with a surrounding wall (not labeled in the figure) corresponding to the inner surrounding wall of the abutting part 131, the other end of the spring 132 is clamped on the surrounding wall, the abutting part is clamped with a spring 132 to form a complete elastic abutting assembly 13, the outer surrounding wall (not labeled in the figure) of the abutting part 131, the sewage passage surrounding wall 2123 and the inner wall 218 of the central solid part of the bayonet part 21 corresponding to the sewage passage 212 (not labeled in the inner wall 212), the sewage passage 212 is called as the sewage inlet 2121 of the sewage pipe 102, and the sewage passage 212 is exposed from the sewage inlet port 102 and the sewage pipe 102 and the sewage inlet port 102 is called as an intermediate sewage pipe 2122 of the sewage passage 102. In order to let the sewage returned through the return pipe (not shown) go deep into the more central position of the tank, a sewage pipe (not shown) can be inserted into the sewage pipe interface 2122, so that the sewage returned to the tank can be more fully contacted with the pressure relief filter assembly 3 and then filtered into clean water, and the clean water is sent out of the tank again. The sewage port 102, the sewage side inlet passage 2121, the sewage pipe interface 2122 and a sewage pipe (not shown) together form the entire sewage passage 212. The elastic abutment assembly 13 includes an abutment 131 and a spring 132, and when the abutment 131 is pressed by an external force, the abutment 131 compresses the spring 132, thereby opening the sewage passage 212. As shown in fig. 11, when the abutting member 131 of the elastic abutting assembly 13 of the sewage passage 212 of the bayonet portion 21 is pressed by an external force, the abutting member 131 further compresses the spring 132, the end surface of the inner side wall of the bayonet portion 21 is higher than the chamfered surface and the side surface of the abutting member 131, sewage can sequentially pass through the sewage port 102, the gap between the end surface of the inner side wall of the bayonet portion 21 and the abutting member 131, enter the sewage side inlet passage 2121, further enter the water tank accommodating chamber and then participate in the filtration cycle.

As shown in fig. 5, the water tank bayonet component 1 includes a bayonet end plate 10 capable of abutting against a corresponding interface (not shown in the figure) of the cleaner body and a bayonet sealing pad plate 11 clamped between the bayonet end plate 10 and the bayonet portion 21 and having an elastic sealing effect, the bayonet end plate 10 is provided with a clean water port 101, a sewage port 102 and an exhaust port 103, the bayonet sealing pad plate 11 is provided with a clean water port 111, a sewage port 112 and an exhaust port 113, the bayonet end plate 10 is further provided with a concave step surface (not shown in the figure) having a contour identical to that of the outer edge of the bayonet sealing pad plate 11, the clean water port protecting brim (not shown in the figure) extends upwards from the step surface along the inner wall of the clean water port 101, and the outer wall of the clean water port protecting brim can be just clamped on the inner wall of the clean water port 111; a sewage port protective brim (not shown in the figure) extends upwards from the step surface along the inner wall of the sewage port 102, and the outer wall of the sewage port protective brim can be just clamped on the inner wall of the sewage port 112; an exhaust port protective brim (not shown) extends upwards from the step surface along the inner wall of the exhaust port 103, and the outer wall of the exhaust port protective brim can be just clamped on the inner wall of the exhaust port 113; one end face of the bayonet sealing backing plate 11 is embedded in the concave step face of the bayonet end plate 10, the other end of the bayonet sealing backing plate is elastically abutted to the outer end face of the bayonet part 21 of the water tank body 20, and the bayonet end plate 10 clamping the bayonet sealing backing plate 11 can be detachably and elastically mounted on the bayonet part 21 of the water tank body 20 in a sealing mode through a plurality of fastening screws.

As shown in fig. 2, referring to fig. 5, the bayonet end plate 10 installed at the bayonet portion 21 is abutted by a chamfered surface of one end of the piston valve element 121 facing the outside of the water tank body 20 at the first step surface 210, a double-layer connecting ring wall (not labeled in the figure) which is not conducted outwards is arranged at the other end of the piston valve element 121, a spring 122 is exactly clamped at a hollow-out position of the double-layer connecting ring wall, a plurality of clamping teeth (not labeled in the figure) which are mutually and annularly connected are arranged on an outer ring wall of the double-layer connecting ring wall of the piston valve element 121 and can be mutually clamped, the other end of the spring 122 is exactly clamped at another piston valve element which is opposite to the back and clamped with the previous piston valve element by the clamping teeth, and the two piston valve elements 121 which are oppositely clamped clamp and clamp one spring 122 to exactly form a complete bidirectional piston valve assembly 12. As shown in fig. 3 and 4, and continuing with fig. 2, a bidirectional piston valve assembly 12 is disposed on both the clean water passage 211 and the exhaust passage 213 of the bayonet portion 21, wherein the chamfered surface of one set of piston valves 121 abuts against the bayonet end plate 10 of the bayonet portion 21 at the first step surface 210, the chamfered surface of the other set of piston valves 121 abuts against the bayonet portion bottom wall 219 at the fourth step surface 217, one end of the pressure relief filter assembly 3, which is provided with the clean water port 301 and the exhaust port 302, abuts against the bayonet portion bottom wall 219, and two openings (not labeled in the figure) are disposed on the bayonet portion bottom wall 219 and correspond to the clean water port 301 and the exhaust port 302, respectively. When the piston valve members 121 at both ends of the bidirectional piston valve assembly 12 of the fresh water channel 211 and/or the exhaust channel 213 are pressed or pressure-impacted by external force, the corresponding fresh water channel 211 and/or the exhaust channel 213 are opened.

As shown in fig. 7 and 8, with reference to fig. 1, 2, 4 and 6, the pressure relief filter assembly 3 is slidably engaged with the water tank body assembly 2, and includes a filter assembly 30 having one end abutting against the bottom wall 219 of the bayonet portion of the water tank body assembly 2 and the other end leaving a gap with the water tank cover assembly 4, and a pressure relief assembly 31 provided in the filter assembly 30 and having a function of adjusting the pressure in the water tank, wherein a framework (not shown) of the filter assembly 30 is detachably connected to the pressure relief assembly 31, the framework of the filter assembly 30 is a long box-shaped framework, front and rear end walls of the long box-shaped framework are solid walls, a clear water interface 301 and an exhaust air interface 302 are provided on the front end wall abutting against the bottom wall 219 of the bayonet portion of the water tank body assembly 2, and a handle (not shown) is provided on the lower portion of the rear end wall opposite to the front end wall for facilitating sliding the whole pressure relief filter assembly 3 out of the water tank body assembly 2. The top of long box-shaped skeleton is open form, and the top of long box-shaped skeleton is equipped with the draw-in groove (not marked in the figure) of round elastic clamping sealing washer 35, and pressure release filtering component 3 realizes through sealing washer 35 and the detachable sealing connection of the roof of water tank body subassembly 2. The other two side walls and the bottom wall of the long box-shaped framework except the two end walls are provided with a large number of hollow parts (not marked in the figure), as shown in fig. 8, the outer walls of the two side walls and the bottom wall of the long box-shaped framework are provided with filter screens 304 to cover the hollow parts, sewage entering the water tank accommodating cavity through the sewage channel 212 enters the pressure-relief filter component 3 under the filtering action of the filter screens 304 to be changed into 'sub-clean water', and then the sewage enters the water tank accommodating cavity through the clean water interface 301 of the pressure-relief filter component 3 and is sent out of the water tank accommodating cavity through the clean water channel 211. Two side walls of the framework of the filtering component 30 are respectively provided with a guiding wing 303, the guiding wings 303 are slidably abutted with the clamping ribs 202 of the water tank body component 2, one end of each guiding wing 303 extends along the depth direction of the framework of the filtering component 30 to the rear end surface of the framework of the filtering component 30, which is not provided with the clean water interface 301 and the exhaust interface 302, and the other end of each guiding wing 303 extends along the depth direction of the framework of the filtering component 30 to the middle of the depth direction of the framework.

As shown in fig. 6, 7 and 8, the pressure relief assembly 31 is integrally formed with the framework of the filter assembly 30, and is given different names only to further reflect the functions of the various parts, and any modifications and adjustments of the technical solutions described above and below are within the scope of the present application. The pressure relief assembly 31 is an I-shaped structure which is used for connecting the front end face (not marked in the figure) of the framework provided with the clear water port 301 and the exhaust port 302 and the rear end face (not marked in the figure) of the framework not provided with the clear water port 301 and the exhaust port 302, the upper surface of the I-shaped structure facing the water tank body assembly 2 is provided with a pressure relief groove (not marked in the figure) for accommodating a pressure regulating device, the I-shaped structure is connected with the pressure relief groove root of the front end face and the rear end face and is provided with four pressure relief notches 318, two walls of the pressure relief groove are slightly deviated, four clamping ribs (not marked in the figure) extend from the pressure relief notch 318, an elastic sleeve 32 which can be taken out upwards is clamped through the clamping notches, the elastic sleeve 32 is parallel to the axis of the pressure relief groove, a pressure relief through hole (not marked in the figure) is arranged on the axis of the pressure relief groove, the opening of the two pressure relief through holes 318 is a pre-relief port 316, two pressure relief grooves occupying the length size 1/3 and the two pressure relief grooves and 2/3 are limited by gravity, and the two gravity extending parts 33 which can only extend from the pressure relief groove 33 to the pressure relief groove 33 and are limited by gravity. The gravity ball 33, the elastic sleeve 32, the limiting portion 315 and the pressure relief groove together form a complete pressure relief control assembly (not shown) having two sets of pressure relief control switches (not shown) independent of each other. A pressure relief channel 317 extending downward from the top of the pressure relief groove is arranged at the middle part of the pressure relief groove and next to one side wall, and in the height direction of the pressure relief filter assembly 3, the pressure relief channel extends to a corner 90 degrees in the direction of the front end surface provided with the clean water port 301 and the exhaust port 302 when approaching the bottom wall of the framework of the filter assembly 30, continues to extend towards the front end surface and is communicated with the exhaust port 302 on the front end surface. The pressure relief channel 317 is provided with a downward concave exhaust valve mounting step 3171 at the beginning of the top of the pressure relief groove, the center of the exhaust valve mounting step is provided with a pressure relief channel inlet 3172, and on the path of the pressure relief channel 317, a tubular member which connects the pressure relief channel inlet 3172 and the exhaust port 302, has a 90-degree corner and encircles and seals the whole pressure relief channel 317 is called a pressure relief channel member 3173. The vent valve mounting step 3171 at the beginning of the top of the pressure relief groove of the pressure relief channel 317 forms a notch with the pressure relief groove on the pressure relief channel 317, and the notch just pulls through the pressure relief groove and the pressure relief channel 317.

As shown in fig. 7 and 8, the pressure to be released in the water tank firstly enters the pressure releasing filter assembly 3 through the filter screens 304 arranged on the two sides and the bottom surface of the framework of the filter assembly 30, and then continuously enters the lower pressure tank through the four pressure releasing notches 318, one of the two gravity balls 33 blocks the pre-pressure releasing through hole in the corresponding elastic sleeve 32, and the other gravity ball 33 opens the pre-pressure releasing through hole in the corresponding elastic sleeve 32, after the pressure to be released crosses the limiting portion 315 corresponding to the gravity ball 33 which opens the pre-pressure releasing through hole, the pressure to be released continuously enters the pressure releasing channel inlet 3172 along the notch on the side wall of the pressure releasing tank, and then the pressure to be released out of the water tank through the air outlet 103 of the water tank bayonet assembly 1 along the pressure releasing channel 317 until the air outlet interface 302.

As shown in fig. 8, as a further improved embodiment, an exhaust duckbill valve 34 may be further disposed at the exhaust valve mounting step 3171, and reverse filling into the pressure relief groove through the pressure relief channel 317 by external pressure of the water tank may be effectively prevented by using the one-way conduction characteristic of the exhaust duckbill valve 34.

Specifically, as shown in fig. 6, 7 and 8, when the pressure relief control switch is not in the same horizontal line, one of the pressure relief control switches is in a closed state, so that one pre-pressure relief port 316 is inevitably communicated with the cavity of the water tank through the pressure relief channel 317, and thus, the pressure in the cavity can be released, the internal and external pressures of the water tank can be balanced, and negative effects caused by unbalanced pressure in the water tank can be effectively reduced; even when the circulation cleaning container is in a horizontal state, at the moment, the two pressure relief control switches are in the same horizontal line, one of the pressure relief control switches can be flushed away by liquid in the cavity under the action of inertia, so that a pre-pressure relief port 316 is communicated with the cavity through a pressure relief channel 317, the pressure in the cavity can be released, the internal pressure and the external pressure of the circulation cleaning container are balanced, and negative effects caused by pressure imbalance in the circulation cleaning container are effectively reduced. The pressure relief control switch comprises a middle gravity ball 33, an elastic sleeve 32 capable of limiting the movement of the gravity ball 33, a pre-pressure relief through hole arranged in the elastic sleeve 32 and a limiting part 315 for limiting the moving position of the gravity ball 33.

When the cleaner is continuously cleaned by the cleaning roller, in the automatic cleaning process of the cleaning roller, part of air contained in gaps of a scrubbing sponge layer of the cleaning roller enters a cleaning liquid loop along with extruded water during the extrusion of the cleaning roller, so that the loop pressure is increased, the loop liquid conveying efficiency is low, and the pressure accumulated in the cleaning liquid loop can rush out sealing structures at joints, joints and the like in a conveying pipeline to cause leakage of the cleaning liquid loop and seriously affect the performance of the cleaner.

Specifically, as shown in fig. 6, 7, and 8, since the gravity ball 33 can freely move in the pressure relief groove, and the two pressure relief control switches are disposed on the same horizontal line, when the two pressure relief control switches are parallel to the horizontal plane, theoretically, both of the two pressure relief control switches may be in an off state, an on state, or one of the two on states. The pressure increase condition can be generated when the water tank is used, and the water tank is in a motion state when the water tank is used, so that the two pressure relief control switches cannot be in a horizontal state for a long time at the same time, and only one of the two pressure relief control switches is in an on state and the other one is in an off state. Thereby ensuring that at least one pre-pressure-relief opening 316 is communicated with the outside of the water tank through the pressure-relief channel 317 and the air vent 103 in the using process, and realizing that the inside and the outside of the water tank are in a pressure balance state.

As shown in fig. 6, as a further improved embodiment, in order to better ensure that the two pressure release control switches can achieve pressure balance when they are at the same horizontal level, the bottom of the pressure release groove is provided with an inclined plane (not shown) which makes the gravity ball 33 move towards the pre-pressure release opening 316 and a straight horizontal plane (not shown) which connects the bottom of the inclined plane and the pre-pressure release opening 316, when the two pressure release control switches are at the same horizontal level, even if the gravity ball 33 makes the pre-pressure release opening 316 non-conductive, the gravity ball 33 of one of the pressure release control switches can be flushed away by the liquid in the water tank under the inertia effect, and it is inevitably easier to make the gravity ball 33 leave the closed position of the pre-pressure release opening 316, which inevitably makes one of the pre-pressure release opening 316 communicate with the pressure release channel 317, which inevitably makes the pressure in the water tank released, thereby balancing the pressure inside and outside the water tank.

As shown in fig. 6, 7 and 8, the elastic sleeve 32 can effectively reduce noise generated by gravity ball impact during movement, and the elastic sleeve 32 is made of elastic materials such as silica gel. The elastic sleeve 32 adopts a horn-shaped structure, so that a better switching effect can be realized.

As shown in fig. 1, 2, 9 and 10, the integrated tank for a cleaner further includes a tank cover assembly 4 covering an open end (not shown) of the tank cover assembly, and the tank cover assembly 4 includes a tank cover body 40, a tank cover outer body 41 covering an outer side of the tank cover body 40, and a water filling flap 42 installed on the tank cover body 40.

Specifically, as shown in fig. 9 and 10, one end of the tank lid body 40 close to the tank body assembly 2 is in an open state, the other end of the tank lid body 40 is in a closed state after covering the water injection flip cover 42, a double-sided abutting step 401 is arranged at one end of the tank lid body 40 close to the tank body assembly 2, a section of the tank lid body 40 close to the tank body assembly 2 before the double-sided abutting step 401 is referred to as a covering outer edge 402, a covering sealing strip 403 is elastically clamped on an outer wall of the covering outer edge 402, a plurality of annular sealing protrusions (not shown in the figure) extend outwards along a direction pointing to an inner wall of the tank body assembly 2, and the tank lid 4 can seal the tank body assembly 2 by the covering sealing strip 403. The water tank cover body 40 is sleeved with a water tank cover outer sleeve body 41, the water tank cover outer sleeve body 41 is opened along two axial ends of the water tank cover body 40, a butting step 411 is arranged on the inner wall of the sleeved end of the water tank cover outer sleeve body 41, the butting step 411 is butted with a double-sided butting step 401 of the water tank cover body 40, and the water tank cover body 40 and the water tank cover outer sleeve body 41 can be detachably connected through screws. At the top of the tank lid outer body 41 shown in fig. 9, the tank lid outer body 41 extends upward to form a decoration lid mounting flange 412, a screw mounting hole seat (not shown) for vertically and detachably connecting a screw with the tank lid body 40 and the tank lid outer body 41 is arranged in the decoration lid mounting flange 412, a buckle (not shown) for elastically clamping the decoration lid 413 is further arranged in the decoration lid mounting flange 412, and the decoration lid 413 can hide fastening screws and play a role in beautifying and decorating. The water tank cover body 40 is equipped with water injection hole 405 on deviating from another closed end terminal surface of water tank body subassembly 2, and water tank cover body 40 has water injection hole inner edge 406 along the directional water tank body subassembly 2's of water injection hole 405 inner wall direction, water tank cover body 40 still is equipped with water injection flip mounting groove 408 along another closed end terminal surface that deviates from water tank body subassembly 2, but water injection flip installation axle 421 joint of water injection flip 42 is installed in water injection flip mounting groove 408, the region that corresponds with water injection hole 405 on the water injection flip 42 is equipped with the protruding lid of directional water injection hole direction and closes sealing flange 422, lid closes and is equipped with several elastic sealing ring (not marked in the figure) on sealing flange 422, thereby water injection flip 42 can close sealing flange 422 and realize keeping away from the sealing of the one end terminal surface of nearly water tank body subassembly 2 to water tank cover body 40 through the lid. It is right to need during the water tank water injection, open water injection flip 42, can be through water injection hole 405 to the water tank internal water injection, the water injection finishes the back lid and closes water injection flip 42, can prevent that the water in the water tank from passing through the outside seepage of water injection hole 405.

As a further improved embodiment, as shown in fig. 10, according to needs, a fastening hole 407 may be further provided on an end surface of the tank cover body 40 away from the water tank body assembly 2, and after the whole water tank is mounted and fixed to the body of the vehicle cleaner, a fastener (not shown) provided on the body of the cleaner can be further fastened on the fastening hole 407, so that the water tank is more stable on the body of the cleaner.

When the water tank needs to change water or the pressure relief filter assembly 3 in the water tank needs to be deeply cleaned, the water tank is separated from the cleaner body by external force, and then the liquid in the water tank is poured and new liquid is injected again; or, further pull down whole water tank lid subassembly 4, further slide through the handle on the pressure release filter assembly 3 and outwards take out pressure release filter assembly 3 and install back after the degree of depth is clean again, thereby this again with external force with water tank lid subassembly 4 lid close water tank body subassembly 2 and accomplish this change cleaning solution or the degree of depth clean action to pressure release filter assembly 3.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the description of the embodiments is only intended to facilitate the understanding of the methods and their core concepts of the present application. Meanwhile, according to the idea of the present application, a person skilled in the art may make changes or modifications based on the specific embodiments and the application range of the present application, and all of them belong to the protection scope of the present application. In view of the above, the description should not be taken as limiting the application.

Claims

1. The utility model provides a can automatic pressure regulating automatic cycle filterable integral type water tank, its characterized in that, including the tube-shape water tank body subassembly of open end and blind end, install in the water tank bayonet socket subassembly of water tank body subassembly blind end terminal surface, the pressure release filter assembly of sliding fit in water tank body subassembly to and the lid fits the water tank lid subassembly of water tank body subassembly open end, wherein, water tank body subassembly is provided with clear water passageway, sewage passageway and exhaust passage, and the pressure of collecting and collecting in the holding chamber can release the water tank along exhaust passage through pressure release filter assembly, when taking off the water tank from the cleaner fuselage, but clear water passageway, sewage passageway and exhaust passage automatic closure.

2. The integrated water tank capable of automatically regulating pressure and automatically circulating and filtering as claimed in claim 1, wherein the water tank body assembly comprises a cylindrical water tank body with an open end and a closed end and a containing cavity, and a bayonet part for closing the containing cavity at the closed end, the water tank body and the bayonet part are integrally formed, and the bayonet part is provided with a multilayer wall thickness structure in the depth direction of the water tank body.

3. The integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration according to claim 2, wherein the multi-layer wall thickness structure at least comprises a first step end face which is abutted against one end face of the pressure relief filter assembly pointing to the bayonet part, and a second step end face which encloses a sewage channel surrounding wall of the sewage channel and is parallel to the first step end face.

4. The integrated water tank capable of automatically regulating pressure and automatically circulating and filtering according to claim 3, wherein a rib plate for the pressure relief filtering assembly to be slidably clamped is arranged on the water tank body assembly, and guide wings capable of being slidably clamped on the rib plate are arranged on two sides of the pressure relief filtering assembly.

5. The integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration according to claim 1, wherein the pressure relief filtering assembly comprises a filtering assembly provided with a water outlet port and an exhaust port, and a pressure relief assembly arranged inside the filtering assembly and connected with the filtering assembly, wherein one end of a pressure relief channel of the pressure relief assembly is connected to the exhaust port and abuts against the inner wall of the bayonet part.

6. The integrated water tank capable of automatically adjusting pressure and automatically performing circulating filtration according to claim 5, wherein the pressure relief assembly comprises a pressure balance mechanism capable of communicating the inside and the outside of the water tank cavity, the pressure balance mechanism comprises a pressure relief opening and a pressure relief channel communicated with the pressure relief opening, and the pressure relief channel is provided with two pre-pressure relief openings respectively communicated with the water tank cavity and a pre-pressure relief opening control assembly respectively controlling one of the two pre-pressure relief openings to be communicated with the pressure relief opening through the pressure relief channel.

7. The integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration according to claim 6, wherein the pressure balancing mechanism is connected with the filtering assembly provided with the exhaust interface, and a pressure relief port of the pressure balancing mechanism forms a part of the pressure relief channel when being communicated with the exhaust interface of the filtering assembly.

8. The integrated water tank capable of automatically adjusting pressure and automatically performing circulating filtration according to claim 6, wherein the pre-pressure-relief opening control assembly comprises a pressure-relief passage and two pressure-relief control switches communicated with the pressure-relief passage, when the two pressure-relief control switches are not on the same horizontal line, one of the pressure-relief control switches is in a closed state, and when the two pressure-relief control switches are on the same horizontal line, one of the pressure-relief control switches can be flushed away by the liquid in the containing cavity under the inertia effect.

9. The integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration according to claim 8, wherein the pressure relief control switch comprises two movable gravity balls, two limiting parts for limiting the moving positions of the gravity balls, and two elastic sleeves which can be blocked by the gravity balls and contain pre-pressure relief through holes.

10. The integrated water tank capable of automatically regulating pressure and automatically performing circular filtration according to claim 9, wherein the pressure relief control switch comprises an I-shaped pressure relief groove connected with the front end wall and the rear end wall of the filter assembly, the pressure relief groove is provided with four pressure relief notches at the root part connected with the front end wall and the rear end wall of the filter assembly, the elastic sleeve is arranged at two ends of the pressure relief groove and can be upwards taken out, the two limiting parts are arranged at two positions of 1/3 and 2/3 of the length dimension of the pressure relief groove and upwards extended from the bottom surface of the pressure relief groove to form, and the two gravity balls are arranged between the elastic sleeve and the limiting parts.

11. The integrated water tank capable of automatically adjusting pressure and automatically performing circulating filtration according to claim 10, wherein the bottom of the pressure relief groove is provided with an inclined surface for moving the gravity ball toward the pre-pressure relief through hole and a flat surface for connecting the bottom of the inclined surface and the pre-pressure relief through hole in parallel.

12. The automatic pressure regulating and automatic circulation filtering integrated water tank as claimed in claim 10, wherein a pressure relief rear channel extending from the top of the pressure relief groove to the middle of the height direction of the filter assembly and then extending to the corner of the front wall of the filter assembly for 90 degrees is arranged at the middle of the pressure relief groove and next to a side wall, and the pressure relief rear channel is communicated with the exhaust port on the front end face and is a part of the pressure relief channel.

13. The integrated water tank capable of automatically adjusting pressure and automatically performing circulating filtration according to claim 10, wherein the pressure relief back-end channel comprises a pressure relief back-end channel member, a downward-recessed exhaust valve installation step is arranged at the beginning of the top of the pressure relief groove of the pressure relief back-end channel, an inlet of the pressure relief back-end channel is arranged at the center of the exhaust valve installation step, and on a passage of the pressure relief back-end channel, a tubular member which is connected with the inlet of the pressure relief channel and an exhaust interface, has a 90-degree corner and encircles and seals the whole pressure relief back-end channel is the pressure relief back-end channel member.

14. The integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration according to claim 4, wherein the filtering component comprises a long box-shaped framework with two open top surfaces and hollow bottom surfaces and a filtering net covered on the two side surfaces and the bottom surface of the long box-shaped framework, and the guide wings are arranged on the two side surfaces of the long box-shaped framework.

15. The integrated water tank capable of automatically regulating pressure and automatically performing circulating filtration according to claim 14, wherein the front and rear end walls of the long box-shaped framework are solid walls, one end wall abutted against the inner wall of the clamping end face of the water tank is provided with a water outlet port and an air exhaust port, and the lower part of the other end wall opposite to the end wall is provided with a handle which is convenient for the whole pressure relief and filtration integrated device to be taken out from the water tank in a sliding manner.