CN221511789U - Surface cleaning device - Google Patents

Abstract

The utility model discloses a surface cleaning device, which comprises a machine body and a floor brush, wherein the bottom of the machine body is pivoted with the floor brush, a cleaning piece and a clean water tank are arranged on the floor brush, the clean water tank is arranged in a mounting cavity of the floor brush and is used for providing cleaning liquid for the cleaning piece and/or the surface to be cleaned, a separation part is arranged in the clean water tank, the clean water tank forms a first cavity and a second cavity, the upper parts of the first cavity and the second cavity are communicated with each other, a siphon component which is respectively communicated with the bottoms of the first cavity and the second cavity is also arranged on the clean water tank, and the liquid level in the first cavity and the liquid level in the second cavity are kept the same by the siphon component. According to the utility model, the water levels of the first chamber and the second chamber are kept balanced through the siphon component, so that water in the first chamber and water in the second chamber can be reasonably utilized, and the space utilization rate of the clear water tank is improved.

Description

Surface cleaning device

[ Field of technology ]

The utility model relates to the technical field of cleaning equipment, in particular to a surface cleaning device.

[ Background Art ]

The surface cleaning device is widely applied to surface cleaning of the ground, a tabletop and the like, the existing surface cleaning device comprises a machine body, a ground brush and a liquid supply assembly, a dirt sucking mechanism is arranged in the machine body, a roller brush is arranged on the ground brush, the liquid supply assembly supplies cleaning liquid to the roller brush or directly sprays the cleaning liquid on the surface to be cleaned, the roller brush collects dirt on the surface to be cleaned, and the dirt sucking mechanism sucks the dirt through a dirt sucking port arranged on the ground brush.

The liquid supply assembly comprises a clear water tank for storing cleaning liquid, and the traditional surface cleaning device is generally arranged on the machine body, so that most of gravity caused by the clear water tank is concentrated on the handle and the ground brush wheel when a user uses the device, and fatigue feeling of the user during use can be aggravated. Therefore, the Chinese patent discloses a patent with publication number CN218356075U named as ground cleaner with external water tank, which sinks the upper surface of the shell behind the rolling brush cavity of the ground brush to form a concave position for limiting and installing the water tank assembly, namely, the water tank is installed on the ground brush, thereby solving the problems. However, in the scheme disclosed in the patent, since the suction passage is arranged on the floor brush to connect the suction port with the sewage bucket of the host machine, the water tank needs to be provided with the groove to be matched with the suction passage, which causes the lower part of the water tank to be divided into two parts by the groove.

[ utility model ]

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a surface cleaning device.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a surface cleaning device, includes fuselage and brush, the bottom and the brush pin joint of fuselage, be equipped with cleaning member and fresh water tank on the brush, the fresh water tank is installed in the installation cavity of brush for the fresh water tank provides the cleaning solution to cleaning member and/or treat clean surface, be equipped with the isolation part in the fresh water tank, the fresh water tank forms first cavity and the second cavity of upper portion intercommunication in the both sides of isolation part, still be equipped with the siphon subassembly with the bottom intercommunication of first cavity, second cavity respectively on the fresh water tank, the liquid level in siphon subassembly keeps first cavity and the second cavity is the same.

In the above-mentioned surface cleaning apparatus, the siphon assembly includes a first pipeline, a second pipeline and a third pipeline which are mutually communicated, one ends of the first pipeline, the second pipeline and the third pipeline are connected together, the other ends of the first pipeline and the second pipeline are respectively arranged at the bottoms of the first chamber and the second chamber, the other end of the third pipeline is communicated with the outside or is closed, and the first pipeline and the second pipeline form a siphon when the third pipeline is closed.

In the surface cleaning apparatus, the junction of the first pipeline, the second pipeline and the third pipeline is not higher than the maximum water level of the clean water tank.

In the above surface cleaning device, the clean water tank includes a water filling port, a sealing plug is disposed at the water filling port, and the other end of the third pipeline is disposed near the water filling port, so that the sealing plug opens or closes the water filling port and the other end of the third pipeline at the same time, or the other end of the third pipeline forms the water filling port.

In the above surface cleaning apparatus, a normally open switch valve is disposed at the other end of the third pipeline, and a trigger portion is disposed on the floor brush and abuts against the switch valve to close the switch valve.

In the surface cleaning device, the open-close valve in a normally open state is arranged at the other end of the third pipeline, the movable handle is further arranged on the clean water tank, the handle has a first state and a second state, the clean water tank is separated from the floor brush and is opened when the handle is in the first state, and the clean water tank is arranged on the floor brush when the handle is in the second state so that the open-close valve is closed.

In the surface cleaning device, the bottom of the clean water tank is further provided with a water outlet, the water injection port is arranged at the top of the clean water tank, and the water injection port and the water outlet are simultaneously arranged in the first cavity or the second cavity.

In the above surface cleaning device, the water filling port is disposed on a side wall of the clean water tank and located in the first chamber, and a water outlet is disposed on a bottom surface of the second chamber.

In the surface cleaning device, the water outlet is arranged at the bottom of the first chamber, a valve core at least partially extending into the clean water tank is arranged at the water outlet, a valve seat with a jacking column is arranged at the bottom of the installation cavity, the valve core is in butt joint with the valve seat so that the jacking column butts against the valve core, a communicating cover is arranged on the periphery of the extending part of the valve core, and the communicating cover is communicated with the bottoms of the first chamber and the second chamber through pipelines respectively.

In the above surface cleaning device, the floor brush further comprises a roller brush cover and a water dividing plate, and the roller brush cover is integrally connected with the clean water tank; or the roller brush cover, the water diversion plate and the clean water tank are integrally connected.

The beneficial effects of the utility model include: the first cavity and the second cavity are formed on the two sides of the isolation part by utilizing the isolation part, so that the usage volume in the clean water tank is enlarged, the space of the clean water tank is fully utilized, the bottoms of the first cavity and the second cavity are communicated through the siphon component, the water levels of the first cavity and the second cavity are kept balanced, water in the first cavity and the second cavity can be reasonably utilized, and the space utilization rate of the clean water tank is improved. In addition, the clear water tank is arranged on the ground brush, so that on one hand, the gravity center of the whole surface cleaning device is lowered, the fatigue feeling of a user in use is lightened, and the weight of the water tank is completely borne by the ground brush; on the other hand, the water tank can directly press the roller brush on the ground brush, so that the cleaning efficiency of the roller brush is improved.

These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

[ Description of the drawings ]

The utility model is further described with reference to the accompanying drawings:

FIG. 1 is a perspective view of a floor brush according to the present utility model;

FIG. 2 is a cross-sectional view of a floor brush according to the present utility model;

FIG. 3 is a perspective view of the clean water tank of the present utility model;

FIG. 4 is a cross-sectional view of a first and second embodiment of the utility model;

FIG. 5 is a partially enlarged schematic illustration of a water filling port of a clean water tank in a second embodiment of the utility model;

FIG. 6 is a schematic view of a structure of a water outlet in a second embodiment of the present utility model;

FIG. 7 is a cross-sectional view of a clean water tank in a fifth embodiment of the utility model;

fig. 8 is a schematic structural view of the handle in the fifth embodiment of the present utility model in the second state;

fig. 9 is a schematic structural view of a handle in a first state according to a fifth embodiment of the present utility model;

FIG. 10 is a schematic structural diagram of a communication assembly according to a sixth embodiment of the present utility model;

fig. 11 is a cross-sectional view of a water tank in a seventh embodiment of the present utility model.

Reference numerals:

floor brush 100, valve seat 101, top column 102, roller brush cover 103, water diversion plate 104;

a cleaning member 110;

Clear water tank 120, groove 121, first chamber 122, second chamber 123, water filling port 124, sealing plug 125, water outlet 126;

Siphon assembly 130, first line 131, second line 132, third line 133, vent end 134, tee 135;

A trigger section 140;

A handle 150;

a switch valve 160, a valve plate 161 and an elastic member 162;

A water pump 170;

a valve core 180;

And a communication cover 190.

[ Detailed description ] of the invention

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

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

Example 1

As shown in fig. 1 to 4, a surface cleaning apparatus includes a main body and a floor brush 100, wherein the bottom of the main body is pivoted with the floor brush 100, the main body is used for setting a power supply, a suction source assembly and a control system, a cleaning member 110 and a liquid supply assembly with a cleaning water tank 120 are arranged in the floor brush 100, the cleaning member 110 is generally a roller brush, the front end of the cleaning member is arranged with the floor brush 100, dirt on a surface to be cleaned is cleaned by rolling of the roller brush, a dirt suction port is arranged in the floor brush 100 at the rear of the roller brush, the dirt suction port is connected with the suction source assembly through a pipeline, and the dirt collected by the roller brush is sucked into a collecting cavity of the main body by the power provided by the suction source assembly.

The liquid supply assembly is mainly used for supplying cleaning liquid to the cleaning member 110 and/or the surface to be cleaned, the cleaning liquid is stored in the cleaning water tank 120, the cleaning water tank 120 in the embodiment is installed on the floor brush 100, the floor brush 100 is provided with an installation cavity for installing the cleaning water tank 120, and the installation cavity is mainly used for positioning and fixing the cleaning water tank 120.

The clear water tank 120 is internally provided with a separation part extending from the bottom wall to the top wall, two opposite peripheral walls of the clear water tank 120 are connected at two ends of the separation part, so that the clear water tank 120 forms a first chamber 122 and a second chamber 123 which are communicated with the upper parts at two sides of the separation part, the clear water tank 120 is also provided with a siphon component which is respectively communicated with the bottoms of the first chamber 122 and the second chamber 123, and the siphon component keeps the liquid level in the first chamber and the second chamber the same through siphoning.

As an implementation manner of this embodiment, as shown in fig. 2 to 4, a protruding portion is provided in the installation cavity, the protruding portion is mainly used for giving way to a pipeline or a motor, etc. that the dirt sucking port is connected with the suction source component, a groove 121 corresponding to the protruding portion is provided at the bottom of the clean water tank 120, if the motor is provided below the protruding portion, the heat emitted by the motor can also be transferred to the clean water tank 120, and the cleaning solution in the clean water tank 120 can better dissolve some stains when the temperature of the cleaning solution increases, so as to improve the cleaning effect. The cleaning water tank 120 is provided with a concave groove 121, the groove 121 forms the isolation part, the cleaning water tank 120 is divided into a first chamber 122 and a second chamber 123 with the bottoms separated from each other, namely, the first chamber 122 and the second chamber 123 are respectively arranged on two sides of the groove 121, the bottoms of the first chamber 122 and the second chamber 123 are separated, and the tops of the first chamber 122 and the second chamber 123 are communicated, so that the space in the floor brush 100 can be fully utilized, the volume of the cleaning water tank 120 can be carried by the cleaning water tank 120 is increased, and the liquid supply assembly further comprises a siphon assembly which enables the bottoms of the first chamber 122 and the second chamber 123 to be communicated, so that the cleaning water in the two chambers can be used as much as possible when the cleaning water tank is used, the water level balance between the first chamber 122 and the second chamber 123 is kept, the water in the first chamber 122 and the second chamber 123 can be reasonably utilized, and the space utilization rate of the cleaning water tank 120 is improved.

Example two

As shown in fig. 4 to 6, in the first embodiment, the siphon assembly 130 includes a first pipe 131, a second pipe 132 and a third pipe 133 which are mutually communicated, and for convenience in manufacturing and arrangement of the pipes, the three pipes may be hoses, one ends of the first pipe 131, the second pipe 132 and the third pipe 133 are connected together, and for achieving the above purpose, the three pipes may be connected by a tee 135, the bottom ends of the first pipe 131 and the second pipe 132 are respectively connected to the bottoms of the first chamber 122 and the second chamber 123, and the bottom ends of the first pipe 131 and the second pipe 132 are close to the bottom surfaces of the corresponding chambers as much as possible, so as to reduce the cleaning liquid remaining in the corresponding chambers, but care needs to be taken that a certain gap is left between the first pipe 131 and the bottom surfaces of the second pipe 132 and the corresponding chambers to allow the cleaning liquid to enter the pipes. The three lines in the siphon assembly 130 may be lines disposed in the side wall of the clean water tank 120, in addition to the hose solutions described above. The siphon assembly 130 may be disposed outside the clean water tank 120, in addition to being disposed inside the clean water tank 120.

The other end of the third pipe 133 is switchably connected to the outside to keep the liquid level in the first chamber 122 and the second chamber 123 the same when the fresh water tank 120 supplies liquid, and hereinafter, for convenience of description, the other end of the third pipe 133 is defined as a ventilation end 134, when water is injected into the first chamber 122 and the second chamber 123, the ventilation end 134 of the third pipe 133 needs to be opened, so that air in the siphon assembly 130 is released, and when the water injection is completed, the ventilation end 134 needs to be closed. At this time, a section of closed air is formed in the third pipe, and the air pressure exists, so that when the liquid level in the first chamber or the second chamber is reduced, the liquid can be supplemented from the second chamber or the first chamber through the pipe and the liquid level between the two chambers is maintained to be the same, thereby forming a siphon pipe. In order to further improve the effect, the junction and the communication position of the three pipelines on the siphon assembly 130 are not higher than the maximum water level of the clean water tank 120, that is, the water injection amount in the clean water tank 120 is greater than the highest point of the junction and the communication position of the three pipelines.

As shown in fig. 5, as a possible implementation manner of the above embodiment, the clean water tank 120 includes a water filling port 124, and a sealing plug 125 is disposed at the water filling port 124, where the sealing plug 125 can prevent the cleaning solution from overflowing from the water filling port 124 when the surface cleaning device is used. The ventilation end 134 of the third pipeline 133 is disposed near the water filling port 124, and the sealing plug 125 simultaneously opens or closes the water filling port 124 and the ventilation end 134, so that a plug body corresponding to the position of the ventilation end 134 can be added on the sealing plug 125. Through the above-mentioned structure, when the water filling port 124 is opened, the ventilation end 134 is also opened simultaneously, keeping the pressure in the third pipeline 133 the same as the outside; after the water is injected, the sealing plug 125 seals the water injection port 124, and the ventilation end 134 of the third pipe 133 is also sealed, so as to keep the siphon assembly 130 working normally. Thus, the step of opening and closing the ventilation end 134 by the user is omitted, and the ventilation end 134 can be operated without intentionally operating the ventilation end 134, so that the operation requirement of the ventilation end 134 can be completed without carelessness. As another possible implementation manner, the water filling port is formed at the other end of the third pipeline, so that water is added through the third pipeline and flows to the first pipeline and the second pipeline respectively, and then enters the first chamber and the second chamber, and the water tank structure can be better simplified through the integrated structure of the third pipeline and the water filling port, and a user can fill water into the first chamber and the second chamber at the same time.

As shown in fig. 4, in the above-mentioned scheme, the water filling port 124 of the clean water tank 120 is disposed at the top of the clean water tank 120, and the bottom of the clean water tank 120 is provided with the water outlet 126, so that the cleaning solution in the clean water tank 120 can flow out as much as possible during water outlet, the water filling port 124 and the water outlet 126 are simultaneously disposed in the first chamber 122 or the second chamber 123, in fig. 4, the water filling port 124 and the water outlet 126 are simultaneously disposed in the first chamber 122, and in this arrangement, when a user only injects a small amount of cleaning solution, the cleaning solution is disposed in the first chamber 122, and because the water outlet 126 is also disposed in the first chamber 122, the cleaning solution can be directly taken out for use, so that the normal taking out of the cleaning solution is not affected. If the water filling port 124 is at the top of the first chamber 122, the water outlet 126 is at the bottom of the second chamber 123, and when the water filling amount cannot overflow from the top of the first chamber 122 to the second chamber 123, the siphon assembly 130 cannot function, and the clean water tank 120 cannot normally discharge water.

In addition to the above-mentioned scheme that the water outlet 126 and the water filling port 124 are provided in the same chamber, the water filling port 124 may be provided on the side wall of the clean water tank 120 and located in the first chamber 122, and the water outlet 126 is provided on the bottom surface of the second chamber 123, because the water filling port 124 is located on the side wall, when water is filled into the clean water tank 120, the water filling port 124 needs to be upward, that is, the clean water tank 120 is in a side-standing state, the first chamber 122 is upward, the second chamber 123 is downward, at this time, the cleaning liquid injected from the water filling port 124 will preferentially flow into the second chamber 123, at this time, even if only a small amount of cleaning liquid is injected, the cleaning liquid will be located in the second chamber 123, so that the cleaning liquid can flow out from the water outlet 126 at the bottom of the second chamber 123.

As shown in fig. 3, the floor brush 100 further includes a roller brush cover 103 and a water diversion plate 104, wherein the roller brush cover 103 is generally covered over the cleaning member 110 to prevent the cleaning member 110 from throwing sewage out from above during operation, and the water diversion plate 104 disperses the cleaning liquid provided by the liquid supply assembly as much as possible to cover a wider area with the cleaning liquid. Since the clean water tank 120 is also disposed on the floor brush 100, and the clean water tank 120 is generally disposed on the top of the floor brush 100, the roller brush cover 103 and the clean water tank 120 can be integrally connected, and dirt on the roller brush cover 103 can be cleaned when the clean water tank 120 is removed to receive water. Or the roller brush cover 103, the water diversion plate 104 and the water tank are integrally connected, and when the clean water tank 120 is taken down to receive water, the roller brush cover 103 and the water diversion plate 104 are cleaned at will.

As shown in fig. 6, a valve core 180 extending at least partially into the fresh water tank 120 is provided at the water outlet 126, and the valve core 180 is used for ensuring that the connected water does not leak out of the water outlet 126 when the fresh water tank 120 receives water. The bottom of the installation cavity is provided with a valve seat 101 with a jack post 102, the valve seat 101 is used for being in butt joint with a valve core 180, the water outlet 126 can be located at an accurate water outlet position, the jack post 102 arranged on the valve seat 101 props against the jack post 180 to open the water outlet 126 when the clean water tank 120 is installed in the installation cavity, cleaning liquid is pumped out of the water outlet 126 through a water pump 170 in the liquid supply assembly and supplied to the water distribution plate 104, and finally is sprayed to the cleaning piece 110 or the surface to be cleaned.

Other matters not described in this embodiment can refer to embodiment one.

Example III

The difference between the embodiment and the second embodiment is that in the embodiment, the ventilation end on the third pipeline is not plugged by the sealing plug at the water filling port, but a normally open switch valve is arranged at the ventilation end, a fixed trigger part is arranged on the ground brush, and the trigger part abuts against the switch valve to close the switch valve. Specifically, the switch valve is arranged on the side wall of the clean water tank, and meanwhile, a trigger part is arranged on the side wall of the installation cavity, when the clean water tank is installed in the installation cavity, the trigger part props against the switch valve in the installation process, so that the switch valve is closed; when the clear water tank is separated from the floor brush, the switch valve is separated from the trigger part, the propping of the trigger part is lost, and the switch valve is restored to the open state.

The switch valve and the trigger part of the structure are arranged, so that the normal operation of the siphon balance assembly can be ensured without additional operation of a user, the third pipeline is opened during water injection, and the third pipeline is closed after water injection is finished.

Example IV

The difference between the embodiment and the third embodiment is that the driver and the driving head are arranged on the ground brush, and after the clear water tank is installed in place, the driver controls the driving head to move so as to trigger the switch valve to be closed. It will be appreciated that the driver may be an electrical device such as a motor or an electromagnet.

Other matters not described in this embodiment can refer to the second and third embodiments.

Example five

As shown in fig. 7, 8 and 9, the difference between this embodiment and the previous embodiment is that the clear water tank 120 is further provided with a movable handle 150, the handle 150 has a first state and a second state, when the handle 150 is in the first state, the clear water tank 120 is separated from the floor brush 100 to disengage the trigger 140 from the switch valve 160, and the switch valve 160 loses the abutment of the trigger 140 and returns to the open state; in the second state, the clean water tank 120 is mounted on the floor brush 100, and the trigger part 140 abuts against the switch valve 160, so that the switch valve 160 is in a closed state.

In order to achieve the above-mentioned aspect, the switch valve 160 may include a valve plate 161, where the valve plate 161 may be inserted into the ventilation end 134 of the third pipe 133 and may slide with respect to the third pipe 133 in a direction non-parallel to the axis of the ventilation end 134, and in this embodiment, the sliding direction of the valve plate 161 is perpendicular to the axis direction of the ventilation end 134. An elastic member 162, such as a spring or a leaf spring, is provided between the valve plate 161 and the clear water tank 120. When the switch valve 160 is not acted by the trigger portion 140, the valve plate 161 is moved leftwards due to the action of the elastic member 162, and a gap is formed between the valve plate 161 and the inner wall of the ventilation end 134, so that the third pipeline 133 can be communicated with the outside. The handle 150 is rotatably connected to the clean water tank 120, and a baffle protruding from the rotation shaft of the handle 150 is provided on the handle 150, and forms the trigger part 140.

When the handle 150 is in the first state, that is, in the state shown in fig. 9, the handle 150 is turned up, and the user can hold the handle 150 to lift the clean water tank 120, so that the clean water tank 120 is separated from the floor brush 100, and the trigger portion 140 is also separated from the valve plate 161 along with the rotation of the handle 150, and the valve plate 161 moves leftwards under the action of the elastic member 162, so that the third pipeline 133 is opened. As shown in fig. 8, after the user installs the clean water tank 120 back to the floor brush 100, the handle 150 returns to the tipped state, that is, the handle 150 is tightly attached to the top of the clean water tank 120 (this state may be that a torsion spring is installed on the shaft of the handle 150, after the user loosens the hand, the handle 150 returns to this state, or may be that the end of the handle 150 away from the rotating shaft is balanced, after the user loosens the hand, as long as the handle 150 is slightly tilted to the left, the handle 150 automatically tips down to this state under the action of gravity), at this time, the handle 150 is in the second state, along with the rotation of the handle 150, the trigger part 140 disposed at the end of the handle 150 rotates along with the rotation of the handle, the trigger part 140 abuts against the left end of the valve plate 161, so that the valve plate 161 is pushed to the right, and the valve plate 161 closes the ventilation end 134 of the third pipeline 133.

The above-structured switching valve 160 and trigger 140 are provided, and the normal operation of the siphon assembly 130 can be ensured without additional operations by the user, and the third pipe 133 is opened when the water is injected, and the third pipe 133 is closed after the water injection is completed.

Other matters not described in this embodiment can refer to embodiment two.

Example six

As shown in fig. 10, the difference between the present embodiment and the second embodiment is that the communication assembly in the present embodiment includes a communication cover 190, the communication cover 190 is covered on the valve core 180, the bottom of the chamber where the water outlet 126 of the communication cover 190 is located is connected in a sealing manner, the top of the communication cover 190 is connected to the first chamber 122 and the second chamber 123 through the first pipeline 131 and the second pipeline 132, respectively, and when the water pump 170 in the liquid supply assembly works, a negative pressure is generated in the communication cover 190, so that the cleaning liquid in the first chamber 122 and the second chamber 123 is sucked into the communication cover 190 by the pipeline, and flows out from the water outlet 126. The above-mentioned scheme does not need to open a pipeline to communicate with the outside when filling water, but only needs to use the suction force of the water pump 170 to realize the bottom communication between the first chamber 122 and the second chamber 123.

Other matters not described in this embodiment can refer to embodiment two.

Example seven

As shown in fig. 11, the difference between the present embodiment and the second embodiment is that the siphon assembly 130 is not used in the present embodiment, the water outlets 126 are disposed at the bottoms of the first chamber 122 and the second chamber 123, the communication assembly includes a three-way pipe 135, the three-way pipe 135 is connected to the first chamber 122 through a first pipeline 131, and is connected to the second chamber 123 through a second pipeline 132, and the three-way pipe 135 is further connected to the water pump 170, so that the cleaning solution in the first chamber 122 and the cleaning solution in the second chamber 123 can be pumped out simultaneously when the water pump 170 works.

Other matters not described in this embodiment can refer to embodiment two.

While the utility model has been described in terms of embodiments, it will be appreciated by those skilled in the art that the utility model is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.

Claims (10)

1. The utility model provides a surface cleaning device, includes fuselage and brush, the bottom and the brush pin joint of fuselage, be equipped with cleaning member and fresh water tank on the brush, the fresh water tank is installed in the installation cavity of brush for the fresh water tank provides the cleaning solution to cleaning member and/or treat clean surface, a serial communication port, be equipped with the isolation part in the fresh water tank, the fresh water tank forms first cavity and the second cavity of upper portion intercommunication in the both sides of isolation part, still be equipped with the siphon subassembly with the bottom intercommunication of first cavity, second cavity respectively on the fresh water tank, the liquid level in siphon subassembly keeps first cavity and the second cavity the same.

2. The surface cleaning apparatus of claim 1, wherein the siphon assembly comprises a first pipeline, a second pipeline and a third pipeline which are mutually communicated, one ends of the first pipeline, the second pipeline and the third pipeline are communicated, the other ends of the first pipeline and the second pipeline are respectively arranged at the bottoms of the first chamber and the second chamber, the other end of the third pipeline is communicated with the outside or is closed, and the first pipeline and the second pipeline form a siphon when the third pipeline is closed.

3. A surface cleaning apparatus as claimed in claim 2, wherein the junction of the first, second and third lines is not higher than the maximum water level of the fresh water tank.

4. A surface cleaning apparatus as claimed in claim 2, wherein the clean water tank includes a water filling port provided with a sealing plug, and the other end of the third pipe is provided adjacent to the water filling port such that the sealing plug opens or closes the water filling port and the other end of the third pipe simultaneously or the other end of the third pipe forms the water filling port.

5. The surface cleaning apparatus of claim 2 wherein a normally open on-off valve is provided at the other end of the third conduit, and a trigger is provided on the brush, the trigger abutting the on-off valve to close the on-off valve.

6. The surface cleaning apparatus of claim 2 wherein the third conduit has a normally open on-off valve at the other end and a movable handle on the tank, the handle having a first state and a second state, the handle being in the first state whereby the tank is disengaged from the brush and the on-off valve is opened, and in the second state the handle being mounted on the brush to close the on-off valve.

7. The surface cleaning apparatus of claim 4, wherein the bottom of the clean water tank is further provided with a water outlet, the water filling port is arranged at the top of the clean water tank, and the water filling port and the water outlet are simultaneously arranged in the first chamber or the second chamber.

8. The surface cleaning apparatus of claim 4, wherein the fill port is disposed on a sidewall of the fresh water tank and is positioned in the first chamber, and wherein the bottom surface of the second chamber is provided with the water outlet.

9. The surface cleaning apparatus of claim 1, wherein the bottom of the first chamber is provided with a water outlet, a valve core at least partially extending into the clean water tank is provided at the water outlet, the bottom of the mounting chamber is provided with a valve seat with a jack post, the valve core is abutted with the valve seat so that the jack post abuts against the valve core, the periphery of the extending portion of the valve core is covered with a communication cover, and the communication cover is respectively communicated with the bottoms of the first chamber and the second chamber through pipelines.

10. The surface cleaning apparatus of claim 1, wherein the floor brush further comprises a water distribution plate and a removable roller brush cover, the roller brush cover being integrally connected to the water tank; or the roller brush cover, the water diversion plate and the clean water tank are integrally connected.