CN216984767U

CN216984767U - Surface cleaning device

Info

Publication number: CN216984767U
Application number: CN202220537373.2U
Authority: CN
Inventors: 郭建刚; 王钦荣
Original assignee: Guangdong Donlim Electrical Appliance Co ltd
Current assignee: Guangdong Donlim Electrical Appliance Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-19
Anticipated expiration: 2032-03-11
Also published as: WO2023168890A1

Abstract

An embodiment of the present invention provides a surface cleaning apparatus, including: a base having a first chamber therein; a housing having a second chamber therein; a water tank seat arranged in the second chamber; the clear water tank and the sewage tank are arranged in the water tank seat in parallel; the water pump and the heating part are arranged in the first cavity, a water inlet of the water pump is connected with the clean water tank, a water outlet of the water pump is connected with the heating part, and the water pump is used for sending fluid in the clean water tank into the heating part to be heated into hot fluid or steam; the handle assembly is connected with the heating part and is used for spraying hot fluid or steam generated by the heating part to the surface to be cleaned; and the suction motor assembly is arranged in the second chamber and is used for recycling sewage generated by cleaning to the sewage tank through the handle assembly. The hidden layout of water tank, compact structure, the outward appearance is succinct.

Description

Surface cleaning device

Technical Field

The utility model belongs to the technical field of cleaning, and particularly relates to a surface cleaning device.

Background

In the product layout of the existing surface cleaning machine, the structure mode of the layout of a left water tank and a right water tank (the water tanks comprise a clear water tank and a sewage tank) is mostly adopted, and the structure is usually provided with more structures such as buckling positions and the like for stabilizing the water tanks without leakage during assembly, so that the water tanks are difficult to disassemble when needing to be cleaned; the cloth art cleaning machine with the left and right water tanks is not concise in appearance and irregular in pattern. When the sewage tank and the clean water tank are installed, the position where the sewage tank and the clean water tank are required to be installed is easily distinguished, and the sewage tank and the clean water tank are easy to install reversely.

Chinese patent No. CN 103445720B discloses a surface cleaning apparatus comprising a fluid delivery system having a supply tank for storing a cleaning fluid and a fluid dispenser for delivering the cleaning fluid to a surface to be cleaned. The liquid supply tank assembly (corresponding to the clean water tank) and the recovery tank assembly (equivalent to the sewage tank) are respectively exposed outside, the structure is not compact, and the liquid supply tank assembly and the recovery tank assembly are easy to be assembled and mixed during installation.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, an object of the present invention is to provide a surface cleaning apparatus with a hidden layout of a water tank, a compact structure and a simple appearance.

The technical scheme adopted by the embodiment of the utility model is that the surface cleaning device comprises:

a base having a first chamber therein;

a housing having a second chamber therein;

a water tank seat arranged in the second chamber; the clear water tank and the sewage tank are arranged in the water tank seat in parallel;

the water pump and the heating component are arranged in the first cavity, a water inlet of the water pump is connected with the clean water tank, a water outlet of the water pump is connected with the heating component, and the water pump is used for feeding fluid in the clean water tank into the heating component to be heated into hot fluid or steam;

the handle assembly is connected with the heating part and is used for spraying hot fluid or steam generated by the heating part to a surface to be cleaned;

and the suction motor assembly is arranged in the second chamber and is used for recycling sewage generated by cleaning to the sewage tank through the handle assembly.

The surface cleaning device provided by the embodiment of the utility model adopts a layout mode of hiding the clean water tank and the sewage tank, so that the whole structure is more compact, and the appearance is regular and concise.

In some embodiments, the water tank seat and the suction motor assembly are arranged in the second chamber in parallel, the top of the water tank seat extends towards the suction motor assembly to form a first boss located above the suction motor assembly, the first boss is provided with a sewage port and an air suction port, the sewage port vertically penetrates through the first boss, the sewage port is used for being communicated with a sewage inlet of the sewage tank, and the air suction port is used for being communicated with an air inlet of the suction motor assembly. The structure layout is reasonable and compact, and the suction motor component is connected with the sewage tank through the air suction port.

In some embodiments, the waste tank includes a tank body and a tank cover; when the sewage tank is arranged in the second chamber, the second boss is arranged on the first boss, and the partial periphery of the cover opening of the tank cover abuts against the periphery of the top surface of the second boss, so that the tank cover and the tank body enclose an inverted L-shaped sewage chamber; and the second boss is provided with two orifices respectively corresponding to the sewage port and the air suction port so as to ensure that the sewage port and the air suction port are respectively communicated with the sewage cavity.

In some embodiments, the waste tank further comprises a partition plate disposed inside the tank cover, the partition plate being sealingly connected to the second boss to separate the two apertures. The two orifices are separated by the partition plate, so that sewage can directly enter the air suction port when dirt suction can be avoided.

In some embodiments, the water tank seat is internally provided with a cavity penetrating to the top end, and the cavity is provided with a first cavity wall, a second cavity wall and a third cavity wall which are respectively adjacent to and opposite to the first cavity wall; the top end of the first cavity wall extends outwards to form a first boss; the second cavity wall and the third cavity wall are respectively provided with a first convex rib and a second convex rib which are opposite and vertically extend, the first convex rib and the second convex rib are respectively provided with a first convex arc surface and a second convex arc surface which are opposite, and the first convex rib and the second convex rib limit the cavities into a first cavity towards which the first convex arc surface faces and a second cavity towards which the second convex arc surface faces; the clean water tank is arranged in the first containing cavity, and the outer wall of the clean water tank is attached to the first convex cambered surface of the first convex edge and the first convex cambered surface of the second convex edge; the sewage case is arranged in the second containing cavity, and the outer wall of the sewage case is attached to the second convex cambered surface of the first convex edge and the second convex cambered surface of the second convex edge. The clean water tank and the sewage tank can be stably kept in the water tank seat through the structure, and the disassembly is convenient; and meanwhile, the clear water tank and the sewage tank are easy to distinguish during installation, and assembly position dislocation cannot occur.

In some embodiments, a stop is circumferentially arranged on the periphery of the top of the water tank base, and the top end of the stop protrudes upwards from the top end of the water tank base, so that a step is formed at the top end of the water tank base. The baffle table can achieve the effect of hiding the clean water tank and the sewage tank.

In some embodiments, a water outlet valve is arranged at the bottom of the clean water tank, a clean water tank water outlet seat is arranged at the bottom of the first cavity, and when the clean water tank is arranged in the first cavity, the clean water tank water outlet seat and the water outlet valve act to open the water outlet valve; and/or

The sewage tank is characterized in that a water outlet nozzle is arranged at the bottom of the sewage tank, a rotary cover is arranged outside the water outlet nozzle, a groove is formed in the bottom of the second accommodating cavity, and the rotary cover is located in the groove when the sewage tank is arranged in the second accommodating cavity. The structure can ensure that the clean water tank and the sewage tank are stably kept in the containing cavity.

In some embodiments, the bottoms of the portions of the second cavity wall and the third cavity wall corresponding to the first cavity are respectively provided with a first buckle seat and a first buckle, and the first buckle is arranged on the first buckle seat and can move transversely to retract into or extend out of the first buckle seat; the side wall of the clean water tank is provided with a first notch penetrating to the bottom of the tank, a first clamping groove facing the side wall of the clean water tank is arranged in the first notch, when the clean water tank is arranged in the first accommodating cavity, the first clamping seat enters the first notch, and the first clamping groove is clamped into the first clamping groove; and/or

The bottoms of the parts, corresponding to the second cavity, of the second cavity wall and the third cavity wall are respectively provided with a second buckle seat and a second buckle, and the second buckle is arranged on the second buckle seat and can transversely move to retract into or extend out of the second buckle seat; the lateral wall of sewage case is equipped with the second breach that link up to the bottom of the case, be equipped with in the second breach and face towards the second draw-in groove of this lateral wall of sewage case, when the sewage case was arranged in the second appearance chamber, second buckle seat gets into the second breach, the second buckle card is gone into the second draw-in groove. The stability of clear water tank and sewage case during operation can be made through the cooperation setting of buckle and draw-in groove.

In some embodiments, the sewage port is connected with one end of the handle assembly through a sewage pipe, and the other end of the handle assembly is provided with a cleaning head;

the water inlet of the water pump is connected with the water outlet of the clean water tank through a first pipeline, and the water outlet of the water pump is connected with the sewage pipe through a second pipeline, so that fluid in the clean water tank is conveyed to the cleaning head through the sewage pipe. Therefore, the handle assembly is connected with water spraying and sewage sucking through the sewage pipe, and the structure is simplified.

In some embodiments, the surface cleaning device further includes a controller, a prompting component, and a liquid sensor, the liquid sensor and the prompting component are electrically connected to the controller, the liquid sensor is disposed on the first pipeline and is configured to detect whether liquid flows through the first pipeline, the liquid sensor sends a signal to the controller when no liquid flows through the first pipeline, and the controller controls the prompting component to prompt. The during operation need not consume time and pay attention to the interior condition of clear water, promotes to use and experiences.

Compared with the prior art, the surface cleaning device has the advantages that the hidden water tank layout is adopted, so that the whole structure is compact, the appearance is regular and concise, the installation positions of the clean water tank and the sewage tank are easy to distinguish, and the surface cleaning device is not easy to be installed wrongly.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar parts throughout the different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the utility model. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative and not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

FIG. 1 is an exploded view of a surface cleaning apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic view showing an installation process of a clean water tank and a dirty water tank of the surface cleaning apparatus according to the embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

FIG. 4 is a schematic view of the surface cleaning apparatus of the embodiment of the present invention with the clean water tank and the dirty water tank removed.

FIG. 5 is a schematic view of a water tank base of a surface cleaning apparatus according to an embodiment of the present invention

Figure 6 is a cross-sectional view of a surface cleaning apparatus according to an embodiment of the present invention.

FIG. 7 is a schematic view of the internal structure of a surface cleaning apparatus of an embodiment of the utility model with the housing removed and the clean water tank and the dirty water tank both not loaded into the tank mount.

Fig. 8 is a partial structural view of the interior of a surface cleaning apparatus according to an embodiment of the present invention.

FIG. 9 is a longitudinal sectional view of a waste water tank of the surface cleaning apparatus of the embodiment of the present invention.

Figure 10 is a schematic view of a surface cleaning apparatus of an embodiment of the present invention showing the configuration of the top exterior surface of the base.

FIG. 11 is a schematic view of a surface cleaning apparatus according to an embodiment of the present invention showing the bottom inner surface structure of the base.

Reference numerals:

1-water tank seat; 11-a second chamber wall; 111-a first rib; 112-a first convex arc surface; 113-a second convex arc surface; 12-a first boss; 121-sewage port; 122-suction opening; 13-a first volume; 131-clear water tank water outlet seat; 132-a first buckle seat; 133-a first clasp; 14-a second cavity; 141-a groove; 142-a second snap seat; 143-a second catch; 15-blocking platform; 151-step portion; 16-a handle;

2-a clear water tank; 21-a water outlet valve; 22-a first notch; 23-a first card slot;

3-a sewage tank; 31-a box body; 311-a second notch; 312-a second card slot; 32-a second boss; 321-a first orifice; 322-a second orifice; 33-water outlet nozzle; 34-screwing a cover; 35-box cover; 36-a separator;

4-a shell; 41-a second chamber; 42-function switching knob; 43-a reminder component;

5-a base; 51-a base cover; 52-liquid sensor; 53-soundproof cotton; 54-a circuit board; 55-air outlet;

6-a handle; 61-a handle seat; 62-a cleaning head; 63-a button;

7-a suction motor; 71-suction motor mounting cover; 72-mounting a cover; 73-suction pipe; 74-sewer; 75-positioning blocks; 76-air outlet;

8, a water pump; 81-water pump fixing parts;

9-a boiler; 91-boiler mounting cover; 92-boiler cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In order to keep the following description of the embodiments of the utility model clear and concise, a detailed description of known functions and known parts of the utility model is omitted.

Embodiments of the present invention provide a surface cleaning apparatus that may be used, for example, to clean clothing sofas, clothing, carpets, and the like.

As shown in fig. 1 to 8, the surface cleaning apparatus includes a base 5, a housing 4, a water tank base 1, a water pump 8, a heating member, a handle assembly, and a suction motor assembly. The base 5 has a first chamber therein. The water pump 8 and the heating member are disposed in the first chamber. The housing 4 is disposed on the base 5, and the housing 4 has a second chamber 41 therein. The water tank holder 1 is provided in the second chamber 41. The clean water tank 2 and the sewage tank 3 are arranged in the tank seat 1 in parallel. The water inlet of the water pump 8 is connected with the clean water tank 2, the water outlet of the water pump 8 is connected with the heating part, and the water pump 8 is used for sending the fluid in the clean water tank 2 into the heating part to be heated into hot fluid or high-temperature steam. The handle assembly is connected to the heating member for directing heated fluid or steam generated by the heating member toward a surface to be cleaned. A suction motor assembly is provided in the second chamber 41 for recycling the sewage generated by the cleaning to the sewage tank 3 through the handle assembly.

The surface cleaning device of the embodiment of the utility model adopts a layout mode of hiding the clean water tank 2 and the sewage tank 3, so that the whole structure is more compact, and the appearance is regular and concise. The user experience is good. In addition, the surface cleaning device can spray hot fluid and hot steam, has multiple working modes, and meets different requirements of users.

In some embodiments, as shown in fig. 6 and 7, the water tank base 1 and the suction motor assembly are arranged in parallel in the second chamber 41, the top of the water tank base 1 extends toward the suction motor assembly to form a first boss 12 above the suction motor assembly, the first boss 12 is provided with a sewage port and an air intake port vertically penetrating through the first boss 12, the sewage port is used for communicating with the sewage inlet of the sewage tank 3, and the air intake port is used for communicating with the air inlet of the suction motor assembly. The structure layout is reasonable and compact, and the suction motor component is connected with the sewage tank 3 through the air suction port.

In some embodiments, as shown in fig. 5, the foul water tank 3 includes a tank body 31 and a tank cover 35 which are open at the top; the top end of the case 31 is partially extended outward to form a second boss 32. When the waste water tank 3 is disposed in the second chamber 41, the second boss 32 is placed on the first boss 12. That is, the second bosses 32 are installed corresponding to the positions of the first bosses 12, thereby preventing the clean water tank 2 and the foul water tank 3 from being incorrectly installed. The partial periphery of the cover opening of the box cover 35 abuts against the periphery of the top surface of the second boss 32, so that the box cover 35 and the box body 31 enclose an inverted L-shaped sewage cavity; the second boss 32 is provided with two orifices corresponding to the sewage port and the air suction port, respectively, so that the sewage port and the air suction port are communicated with the sewage chamber, respectively.

Specifically, the two openings of the second boss 32 are a first opening 321 and a second opening 322, respectively, the first opening 321 is in butt joint with the sewage port 121, and the second opening 322 is in butt joint with the air suction port 122. As shown in fig. 9, the foul water tank 3 further includes a partition 36, and the partition 36 is provided inside the tank cover 35. When the waste tank 3 is mounted to the second receptacle 14, the partition 36 sealingly engages the second boss 32 to separate the first aperture 321 from the second aperture 322. The partition 36 is provided to prevent sewage from directly entering the suction opening 122 during operation.

As shown in fig. 6 and 9, the partition 36 may be an inverted L-shape, and includes a horizontal plate and a vertical plate connected to each other, the lower side of the horizontal plate abuts against the second boss 32 to partition the first aperture 321 and the second aperture 322, and the vertical plate extends into the waste water tank 3 below the second boss 32.

In some embodiments, the water tank base 1 has a cavity penetrating to the top end, and the cavity has a first cavity wall, and a second cavity wall 11 and a third cavity wall which are respectively adjacent to and opposite to the first cavity wall; that is, the second chamber wall 11, the first chamber wall and the third chamber wall are connected in sequence to form part of the side wall of the chamber. Since the first chamber wall and the third chamber wall are occluded, not shown in the figure. As shown in FIG. 1, the top end of the first chamber wall extends outward to form a first boss 12. As shown in fig. 4, the second cavity wall 11 and the third cavity wall are respectively provided with a first rib 111 and a second rib (not shown in the figure) which are opposite and extend vertically, the first rib 111 and the second rib respectively have a first convex arc surface 112 and a second convex arc surface 112 which are opposite, the first rib 111 and the second rib define the cavities as a first cavity 13 and a second cavity 14, the first convex arc surface 112 faces the first cavity 13, and the second convex arc surface 112 faces the second cavity 14. The second receptacle 14 is adjacent the first boss 12 relative to the first receptacle 13, i.e. the first chamber wall forms a wall of the second receptacle 14.

It will be appreciated that although the first and

second ribs

111, 14 define the chambers as first and

second chambers

13, 14, in practice the first and

second chambers

13, 14 are in communication. In addition, because the sewage tank 3 is larger than the clean water tank 2, the first rib 111 and the second rib can separate the containing cavity into a smaller first containing cavity 13 and a larger second containing cavity 14, so that the installation positions of the sewage tank 3 and the clean water tank 2 can be conveniently distinguished through the sizes, and the water tank is prevented from being wrongly loaded.

As shown in fig. 2 and 4, the clean water tank 2 is disposed in the first cavity 13, and the outer wall of the clean water tank 2 abuts against the first convex arc surface 112 of the first rib 111 and the first convex arc surface 112 of the second rib. The first rib 111 and the second rib are provided, so that the clean water tank 2 can not fall to one side when the clean water tank 2 is installed, and can be stably kept in the first accommodating cavity 13. In order to keep the clean water tank 2 in good fit with the first rib 111 and the second rib and ensure the stability of the clean water tank 2, concave arc surfaces (not shown in the figure) may be respectively disposed at the first convex arc surfaces 112 of the clean water tank 2 corresponding to the first rib 111 and the second rib. When the sewage tank 3 is installed in the second receiving chamber 14, the outer wall of the sewage tank 3 abuts against the second convex arc surface 112 of the first convex rib 111 and the second convex arc surface 112 of the second convex rib at the same time. By the arrangement of the first rib 111 and the second rib, when the sewage tank 3 is installed (when the clean water tank 2 is not installed), it is not toppled over, and can be stably held in the second receiving chamber 14. In order to fit the first convex arc surface 111 and the second convex arc surface 112 of the second convex rib, and to maintain the good fitting relationship between the wastewater tank 3 and the first convex rib 111 and the second convex rib, concave arc surfaces (not shown) may be respectively provided at the positions of the wastewater tank 3 corresponding to the second convex arc surfaces 112 of the first convex rib 111 and the second convex rib.

The surface cleaning device of the embodiment of the utility model adopts a layout mode of hiding the clean water tank 2 and the sewage tank 3, so that the buckling positions can be saved, the stability of the clean water tank 2 and the sewage tank 3 can be kept, and the clean water tank 2 and the sewage tank 3 can be more conveniently disassembled when needing to be cleaned; the hidden integral structure is more compact, and the appearance is regular and concise; and meanwhile, the clear water tank 2 and the sewage tank 3 are easy to distinguish during installation, and assembly position dislocation cannot occur.

In some embodiments, as shown in fig. 5, the top of the water tank base 1 is provided with a baffle 15 around the periphery, and the top end of the baffle 15 protrudes upwards from the top end of the water tank base 1, so that the top end of the water tank base 1 forms a step 151 and the first boss 12 forms a groove. The trough portion is elevated with respect to the second cavity 14 so that the trough portion forms a stepped trough. The top end of the case 31 has a height difference from the top end of the stopper 15, and a stepped portion 151 is formed at the top end of the case 31. When the clear water tank 2 and the sewage tank 3 are filled into the containing cavity, the outer walls of the clear water tank 2 and the sewage tank 3 are attached to the cavity wall of the containing cavity, the tops of the clear water tank 2 and the sewage tank 3 are not protruded out of the baffle table 15, the baffle table 15 is in a sinking shape relatively, and the effect of hiding the clear water tank 2 and the sewage tank 3 is achieved.

In some embodiments. As shown in fig. 6, the bottom of the clean water tank 2 is provided with a water outlet valve 21. As shown in fig. 4, a clean water tank outlet seat 131 is disposed at the bottom of the first cavity 13. When the clean water tank 2 is placed in the first cavity 13, the clean water tank outlet seat 131 and the outlet valve 21 act to open the outlet valve 21. Thus, when the clean water tank 2 is placed in the first chamber 13, the clean water tank outlet seat 131 opens the outlet valve 21. The bottom of the sewage tank 3 is provided with a water outlet nozzle 33, a screw cap 34 is arranged outside the water outlet nozzle 33, and the bottom of the second accommodating cavity 14 is provided with a groove 141. When the sewage tank 3 is placed in the second accommodating cavity 14, the screw cap 34 is positioned in the groove 141, so that the stability of the sewage tank 3 is maintained, and the sewage tank 3 is prevented from shaking.

In some embodiments, as shown in fig. 4, the bottom of the portions of the second cavity wall 11 and the third cavity wall corresponding to the first cavity 13 are respectively provided with a first fastener seat 132 and a first fastener 133, and the first fastener 133 is provided on the first fastener seat 132 and can move laterally to retract into or extend out of the first fastener seat 132. The horizontal direction is referred to as the vertical direction with respect to the loading direction of the clean water tank 2. As shown in fig. 3, a first notch 22 penetrating to the bottom of the clean water tank 2 is formed in a position, close to the bottom, of the side wall of the clean water tank 2, and a first locking groove 23 facing the side wall of the clean water tank 2 is formed in the first notch 22. When the clean water tank 2 is placed in the first cavity 13, the first buckle seat 132 enters the first notch 22, and the first buckle 133 is clamped into the first buckle groove 23. So, can be with clear water tank 2 spacing in first appearance chamber 13, guarantee the stability of clear water tank 2 during operation, and increase clear water tank 2's dismantlement dynamics a little, guarantee that clear water tank 2 can not empty under the natural condition.

With reference to fig. 4, the bottom of the portions of the second cavity wall 11 and the third cavity wall corresponding to the second cavity 14 are respectively provided with a second fastener seat 142 and a second fastener 143, and the second fastener 143 is provided on the second fastener seat 142 and can move laterally to retract into or extend out of the second fastener seat 142. The side wall of the sewage tank 3 is provided with a second notch 311 penetrating to the bottom of the tank, and a second clamping groove 312 facing the side wall of the sewage tank 3 is arranged in the second notch 311. When the waste water tank 3 is placed in the second receiving cavity 14, the second latch seat 142 enters the second notch 311, and the second latch 143 is latched into the second latch groove 312. So, can be spacing in second appearance chamber 14 with sewage case 3, guarantee the stability of sewage case 3 during operation, and increase the dismantlement dynamics of sewage case 3 a little, guarantee that sewage case 3 can not topple over under the natural condition.

Due to the perspective, only the socket and the catch on the second side wall are shown in fig. 4, and the socket and the catch on the third side wall are not shown. Similarly, only the notches and the slots on one side of the clean water tank 2 and the dirty water tank 3 are shown in fig. 3, and the notches and the slots on the other side are hidden from view.

In some embodiments, as shown in fig. 1, 2, and 6-8, the surface cleaning apparatus further includes a suction duct 73 and a waste duct 74. An air intake pipe 73 and a sewage pipe 74 are provided in the second chamber 41. The space is reasonably utilized, and the compactness of the structure is improved. The suction pipe 73 and the sewage pipe 74 may be fixed by the same positioning block 75. The suction motor assembly comprises a suction motor 7. One end of the suction pipe 73 is connected to an air inlet of the suction motor 7, and the other end of the suction pipe 73 is connected to the suction port 122, so that the bent angle of the suction pipe 73 is large due to the compact space, but the operation of the suction motor 7 is not affected. One end of the sewage pipe 74 is connected with one end of a handle 6 of the handle assembly, the other end of the handle 6 is provided with a cleaning head 62, and the other end of the sewage pipe 74 is connected with a sewage port 121. Thus, when the suction motor 7 is operated, air in the sewage tank 3 can be sucked through the air suction pipe 73, so that negative pressure is formed in the sewage tank 3, the negative pressure acts on the floor, cloth sofa, clothes and the like to be cleaned through the sewage pipe 74 and the cleaning head 62, and dust, dirt, sewage and the like on the floor, cloth sofa, clothes and the like are sucked into the sewage tank 3, so that the aim of cleaning is fulfilled.

With continuing reference to fig. 1, 6 and 11, the water inlet of the water pump 8 is connected to the water outlet of the clean water tank outlet seat 131 through a first pipeline, the water outlet of the water pump 8 is connected to the sewage pipe 74 through a second pipeline, and the water pump 8 is used for delivering the clean water in the clean water tank 2 to the cleaning head 62 through the sewage pipe 74, so as to achieve the purpose of cleaning the ground or objects by spraying water. The water spraying and sewage sucking of the embodiment are connected to the sewage pipe 74 and further connected to the handle 6, so that the number of parts is reduced, and the structure is optimized.

In some embodiments, the surface cleaning apparatus further comprises a controller, a notification component 43, and a liquid sensor 52. The liquid sensor 52 and the prompting component 43 are respectively electrically connected with the controller. As shown in fig. 10, the liquid sensor 52 is disposed on the first pipeline and is used for detecting whether liquid flows through the first pipeline, and when no liquid flows through the first pipeline, the liquid sensor 52 sends a signal to the controller, and the controller controls the prompting component 43 to prompt and remind a user of the need of replenishing water to the clean water tank 2. Without the need of taking time to keep track of the water quantity in the clean water tank 2 during work. The prompting means 43 may be a buzzer, a warning light, a horn, or the like.

In some embodiments, a liquid level sensor may be disposed in the sewage tank 3, and the liquid level sensor is electrically connected to the controller and is configured to detect liquid level information in the sewage tank 3, and when the liquid level in the sewage tank 3 reaches a preset threshold, the liquid level sensor sends a signal to the controller, and the controller controls the alarm to alarm, so as to raise that the sewage tank 3 is full and sewage needs to be poured in time.

In some embodiments, as shown in fig. 1 and 6, the bottom side of the base 5 is open, the open side is provided with a base cover 51, and the base cover 51 is provided with an air outlet 55. The base cover 51 is used to cover the inside of the base 5 into a first chamber. Soundproof cotton 53 is arranged in the first chamber corresponding to the air outlet 55, and the air outlet 76 of the suction motor 7 is communicated with the first chamber, so that the air exhausted from the air outlet 76 is discharged outside through the air outlet 55 after being denoised by the soundproof cotton 53.

As shown in fig. 1 and 2, the surface cleaning apparatus according to the embodiment of the present invention further includes a function switching knob 42, the function switching knob 42 is provided on the housing 4 and connected to the circuit board 54, and the function switching knob 42 is used to switch whether the surface cleaning apparatus performs a dirt suction operation or a water spray operation, or the like.

As shown in fig. 1 and 6, the water pump 8 is fixed in the first chamber of the base 5 by a water pump fixing member 81, and the liquid level sensor is fixed on the base 5 by a sensor fixing member. A circuit board 54 may also be disposed within the first chamber. The heating element may be a boiler 9, the boiler 9 is placed in the boiler mounting cover 91, then the boiler cover 92 is locked to form a boiler assembly, and finally the whole boiler assembly is placed inside the base 5. Reasonable layout and compact structure. Boiler 9 is connected with water pump 8 for the fluid that water pump 8 sent from clear water tank 2 heats, improves the temperature of the fluid of following cleaning head 62 spun, promotes clean effect. And the fluid can be heated into high-temperature steam according to the requirement, so that the surface cleaning device has different working modes, and the function of the surface cleaning device is increased. The suction motor 7 is placed in the suction motor mounting cover 71, then the mounting cover 72 is locked, and finally mounted and positioned on the top surface of the base 5.

As shown in fig. 1, 2 and 4, the housing 4 is provided with a handle holder 61, and the handle 6 can be hung on the handle holder 61 in a non-operating state. The handle 6 is retracted against the housing 4, which saves space. The handle 6 is provided with a button 63, and the button 63 is not projected on the surface of the handle 6 and is also a structure hidden inside. The inner side of the top of the water tank base 1 is also provided with a lifting handle 16, and the lifting handle 16 does not protrude out of the top surface of the water tank base 1 when being folded, and is also of a hidden structure.

When the surface cleaning device is used for dirt suction, the suction motor 7 is operated, as shown in fig. 7 to 9, the air path from the cleaning head 62 to the handle 6 to the sewage pipe 74 enters the sewage port 121 of the sewage tank 3, is blocked by the partition plate 36 in the sewage tank 3 (see fig. 9), bypasses the partition plate 36, enters the air suction port 122, reaches the air suction pipe 73, enters the suction motor 7, is discharged from the air outlet 76 of the suction motor 7, is subjected to noise reduction by the soundproof cotton 53 to the base 5, and is then discharged. The sewage flows through the cleaning head 62, the handle 6, the sewage pipe 74, the sewage inlet 121 of the sewage tank 3, and the sewage inlet 122 of the sewage tank 3, and is prevented by the partition 36. That is, during the dirt suction operation, the suction motor 7 sucks air in the sewage tank 3 through the air suction pipe 73 to form a negative pressure in the sewage tank 3, and sucks the sewage pipe 74 by the negative pressure, thereby sucking dust, sewage, dirt, and the like on objects (floors, sofas, clothes, and the like) through the sewage pipe 74, the handle 6 (having a through passage in the handle 6), and the cleaning head 62 to achieve the purpose of cleaning. In fig. 8 and 9, the solid arrows indicate the flow direction of wind, and the hollow arrows indicate the flow direction of sewage or dirt.

When the clean water tank 2 of the surface cleaning device is cleaned by spraying water, the water path direction is that the clean water tank water outlet seat 131 pushes the water outlet valve 21 at the bottom of the clean water tank 2 to open, clean water flows out from the port A of the clean water tank water outlet seat 131 to the port B of the liquid sensor 52 and then flows out from the port C of the liquid sensor 52, the liquid sensor 52 can detect whether water passes through or not, and alarm when no water exists, then the port C is connected with the port D on the other side of the base 5, reaches the port E of the water pump 8, flows out from the port F of the water pump 8, then reaches the port G of the boiler 9, flows out from the outlet H of the boiler 9, returns to the port J on the base 5 after passing through the port I, reaches the port K, flows out from the sewage suction pipe to the handle 6, and then is sprayed by the cleaning head 62 for cleaning. It can be understood that the ports are connected by a pipeline, the pipeline is completely convenient to arrange by penetrating in and out of the base 5, and the pipeline can be arranged on only one surface of the base 5.

According to the surface cleaning device provided by the embodiment of the utility model, most parts are hidden in the shell to form a hidden water tank layout, the overall structure design is compact, the appearance is regular and concise, the structure is reasonable, the cost is moderate, and the surface cleaning device is beneficial to popularization and use.

The above description is intended to be illustrative, and not restrictive, and variations, modifications, substitutions, and alterations may be made to the above-described embodiments by those of ordinary skill in the art within the scope of the present disclosure. Also, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations.

Claims

1. A surface cleaning apparatus, comprising:

a base having a first chamber therein;

a housing having a second chamber therein;

a water tank seat arranged in the second chamber;

the clear water tank and the sewage tank are arranged in the water tank seat in parallel;

2. The surface cleaning device of claim 1, wherein the water tank base and the suction motor assembly are arranged in parallel in the second chamber, the top of the water tank base extends towards the suction motor assembly to form a first boss above the suction motor assembly, the first boss is provided with a sewage port and an air suction port, the sewage port vertically penetrates through the first boss, the sewage port is used for being communicated with a sewage inlet of the sewage tank, and the air suction port is used for being communicated with an air inlet of the suction motor assembly.

3. A surface cleaning apparatus as claimed in claim 2, characterised in that the sump comprises a tank body and a tank cover; when the sewage tank is arranged in the second chamber, the second boss is arranged on the first boss, and the local periphery of the cover opening of the tank cover abuts against the periphery of the top surface of the second boss, so that the tank cover and the tank body enclose an inverted L-shaped sewage chamber; and the second boss is provided with two orifices respectively corresponding to the sewage port and the air suction port so as to ensure that the sewage port and the air suction port are respectively communicated with the sewage cavity.

4. A surface cleaning apparatus as claimed in claim 3, characterised in that the sump further comprises a partition provided on the inside of the sump cover, the partition being sealingly connected to the second boss to separate the two apertures.

5. The surface cleaning device of claim 2, wherein the water tank base has a cavity therein through to a top end, the cavity having a first cavity wall and second and third cavity walls adjacent to and opposing the first cavity wall, respectively; the top end of the first cavity wall extends outwards to form the first boss; the second cavity wall and the third cavity wall are respectively provided with a first convex edge and a second convex edge which are opposite and vertically extend, the first convex edge and the second convex edge are respectively provided with a first convex arc surface and a second convex arc surface which are opposite, the first convex edge and the second convex edge limit the containing cavities into a first containing cavity towards which the first convex arc surface faces and a second containing cavity towards which the second convex arc surface faces, the clean water tank is arranged in the first containing cavity, and the outer wall of the clean water tank is simultaneously attached to the first convex arc surface of the first convex edge and the first convex arc surface of the second convex edge; the sewage case is arranged in the second containing cavity, and the outer wall of the sewage case is attached to the second convex cambered surface of the first convex edge and the second convex cambered surface of the second convex edge.

6. The surface cleaning device of claim 1, wherein a stop is circumferentially arranged on the top of the water tank base, and the top end of the stop protrudes upwards from the top end of the water tank base, so that the top end of the water tank base forms a step.

7. The surface cleaning device of claim 5, wherein a water outlet valve is arranged at the bottom of the clean water tank, a clean water tank water outlet seat is arranged at the bottom of the first cavity, and when the clean water tank is arranged in the first cavity, the clean water tank water outlet seat and the water outlet valve act to open the water outlet valve; and/or

The sewage tank is characterized in that a water outlet nozzle is arranged at the bottom of the sewage tank, a rotary cover is arranged outside the water outlet nozzle, a groove is formed in the bottom of the second accommodating cavity, and the rotary cover is located in the groove when the sewage tank is arranged in the second accommodating cavity.

8. A surface cleaning apparatus as claimed in claim 5, characterised in that the bottoms of the parts of the second and third chamber walls corresponding to the first chamber are provided with a first catch seat and a first catch respectively, the first catch being provided on the first catch seat and being capable of moving laterally to retract into or extend out of the first catch seat; the side wall of the clean water tank is provided with a first notch penetrating to the bottom of the tank, a first clamping groove facing the side wall of the clean water tank is arranged in the first notch, when the clean water tank is arranged in the first accommodating cavity, the first clamping seat enters the first notch, and the first clamping groove is clamped into the first clamping groove; and/or

The bottoms of the parts, corresponding to the second containing cavity, of the second cavity wall and the third cavity wall are respectively provided with a second buckle seat and a second buckle, and the second buckle is arranged on the second buckle seat and can move transversely to retract into or extend out of the second buckle seat; the lateral wall of sewage case is equipped with the second breach that link up to the bottom of the case, be equipped with in the second breach and face towards the second draw-in groove of this lateral wall of sewage case, when the sewage case was arranged in the second appearance chamber, second buckle seat gets into the second breach, the second buckle card is gone into the second draw-in groove.

9. A surface cleaning apparatus as claimed in claim 2, characterised in that the waste port is connected to one end of the handle assembly via a waste pipe, the other end of the handle assembly being provided with a cleaning head; the water inlet of the water pump is connected with the water outlet of the clean water tank through a first pipeline, and the water outlet of the water pump is connected with the sewage pipe through a second pipeline, so that fluid in the clean water tank is conveyed to the cleaning head through the sewage pipe.

10. The surface cleaning apparatus of claim 9, further comprising a controller, a prompting component, and a liquid sensor, wherein the liquid sensor and the prompting component are electrically connected to the controller, the liquid sensor is disposed on the first pipeline and is configured to detect whether liquid flows through the first pipeline, the liquid sensor sends a signal to the controller when no liquid flows through the first pipeline, and the controller controls the prompting component to prompt.