A new type of wireless flat surface cleaner

Abstract

The invention discloses a novel wireless plane cleaner, comprising a main body, wherein the main body is equipped with a scraper head, a water tank and a suction structure, the scraper head is provided with a suction port, the suction structure sucks sewage into the water tank, the suction structure comprises a fan module, a suction channel connected to the suction port and an air-liquid separation chamber, the fan module comprises a cover body, a fan bracket and a turbine fan blade, an air suction port is provided at the upper part of the cover body, a negative pressure chamber is arranged at the lower part of the cover body, the negative pressure chamber is connected to the air suction port and discharges air; a suction channel, the suction channels converge to form a sewage inlet, the sewage inlet is located below the suction port; a separation chamber, the bottom of the separation chamber is provided with a sewage outlet, and a flow limiting structure is provided between the separation chamber and the sewage inlet, the flow limiting structure separates the suction port and the sewage inlet, so as to keep the sewage away from the suction port, effectively increasing the sewage suction effect and the user's experience.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning equipment, and in particular to a novel wireless plane cleaner. Background Art

[0002] Currently, when cleaning an object surface such as a glass surface, a cleaning liquid is generally sprayed on the glass surface first, and then a cleaning device is used to clean the glass surface.

[0003] A plane cleaner in the prior art includes a brush head, a suction structure, a sewage tank and a clean water tank, the suction structure is connected to the brush head, and water is discharged from the clean water tank through a water pump, wherein the suction structure includes a motor with an impeller and a gas-liquid separation shell, and a sewage outlet and an air suction port are provided on the gas-liquid separation shell. The brush head sucks sewage and air into the gas-liquid separation shell through the negative pressure generated by the suction structure, but the sewage outlet and the air suction port are arranged at the same height, and the negative pressure at the air suction port affects the discharge of sewage, and sewage may also enter the air suction port, affecting normal use, and the motor is arranged at the bottom of the main body, and the internal pipes and channels are too long, resulting in poor suction effect. At the same time, the overly long hollow pipe shell is more likely to cause noise. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a novel wireless plane cleaner, which effectively increases the sewage suction effect and the user experience.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: a new type of wireless plane cleaner, comprising a main body, the main body is equipped with a scraper head, a water tank and a suction structure, the scraper head is provided with a suction port, the suction structure sucks sewage into the water tank through the suction port, the suction structure comprises a fan module for generating suction, a suction channel connected to the suction port and a gas-liquid separation chamber connected to the water tank,

[0006] The fan module comprises a cover body and a fan bracket and a turbine blade contained therein, wherein the upper portion of the cover body is provided with an air suction port connected to the separation chamber, and the lower portion of the cover body is provided with a negative pressure chamber enclosed outside the fan bracket, and the negative pressure chamber is connected to the air suction port to discharge air;

[0007] At least one suction channel is formed on the periphery of the cover body and connected to the suction port, the suction channels converge in the separation chamber to form a sewage inlet, and the sewage inlet is located below the air suction port;

[0008] A separation chamber, wherein a sewage outlet is provided at the bottom of the separation chamber, and a flow limiting structure is provided between the separation chamber and the sewage inlet, wherein the flow limiting structure guides the sewage toward the sewage outlet, and the flow limiting structure separates the air suction port and the sewage inlet to keep the sewage away from the air suction port.

[0009] Furthermore, the flow limiting structure includes a flow guide cover and a partition formed on one side of the flow guide cover, the flow guide cover is arranged on the outer periphery of the sewage inlet, the flow guide cover and the side inner wall of the separation chamber constitute a first guide area for guiding the sewage toward the side inner wall of the separation chamber, and the partition abuts against the outer side wall of the separation cover to form a second guide area for guiding the sewage toward the sewage outlet, and the second guide area is connected to the bottom of the first guide area.

[0010] Furthermore, the negative pressure chamber has an arc-shaped boundary protruding toward the separation chamber, and an arc-shaped convex portion matching the contour of the arc-shaped boundary is formed in the separation chamber. The arc-shaped convex portion is located at the bottom of the first guide area and constitutes a water retaining boundary.

[0011] Furthermore, the guide cover includes an upper baffle formed on the top of the sewage inlet, a corner portion formed on one side of the sewage inlet, and an inclined guide portion formed on the other side of the sewage inlet, and the corner portion and the inclined guide portion are both arranged toward the side inner wall of the separation chamber.

[0012] Furthermore, the partition is arranged at the edge of the corner portion and extends downwardly onto the arc-shaped convex portion.

[0013] Furthermore, the negative pressure chamber includes an air inlet area and an air outlet area, an oblique air guide boundary is formed between the air inlet area and the air outlet area, the blade height of the turbine blade increases along the air guide boundary, and the blade extends into the air inlet area, and the fan bracket is arranged in the air outlet area.

[0014] Furthermore, the cover body includes an upper cover and a lower cover, the air intake port is arranged at the top of the upper cover, the suction channel is arranged at the outer periphery of the upper cover, the air inlet area and the air guide boundary are formed in the upper cover, and the fan bracket and the air outlet area are arranged in the lower cover.

[0015] Furthermore, a hollow portion is provided on the fan bracket so that the air in the negative pressure chamber can be discharged after passing through the fan.

[0016] Furthermore, the scraping head and the main body are detachably arranged, and the bottom of the scraping head is detachably provided with a rag holder and at least two positioning grooves, the rag holder cooperates with the front positioning groove to extend out of the scraping head, and the rag holder cooperates with the rear positioning groove to be received in the scraping head, and the scraping head also includes a limiting structure that allows the rag holder to move forward and backward relative to the scraping head.

[0017] Furthermore, the main body is provided with a water tank receptacle for installing a water supply tank, a sewage tank and a clean water tank are integrated in the water tank, an air intake area is provided on the water tank between the sewage tank and the clean water tank, the clean water tank is connected to a water spray head through a pipeline, and the water spray head is arranged below the scraper head.

[0018] Compared with the prior art, the present invention has the following advantages and beneficial effects: sewage and air enter the separation chamber through the suction port and the suction channel, the sewage is guided and restricted by the deflector, forced to enter the first guide area and then move downward, the sewage enters the second guide area due to gravity, and the sewage is isolated outside the air suction port by the partition. Since the first and second guide areas are both located below the air suction port, the effect of negative pressure on the sewage is reduced, so that the sewage enters the separation chamber and directly enters the sewage tank through the sewage outlet, effectively preventing the sewage from entering the air suction port and ensuring the normal use of the cleaner. At the same time, the air entering the separation chamber is able to enter the air suction port through the first guide area, and enter the negative pressure chamber under the action of the fan module. The negative pressure chamber surrounds the fan bracket, so that during the exhaust process, the air passes through the fan bracket, thereby dissipating the heat of the fan, which is beneficial to the continuous use of the cleaner. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a cross-sectional schematic diagram of the present invention;

[0021] Figure 3 It is a schematic structural diagram of the cover body of the present invention;

[0022] Figure 4 is a cross-sectional schematic diagram of the cover body of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the cover body of the present invention after the cover is removed;

[0024] Figure 6 It is a schematic diagram of the structure of the separation chamber and the suction channel of the present invention;

[0025] Figure 7 It is a structural schematic diagram of the lower cover and the fan bracket of the present invention;

[0026] Figure 8 It is a structural schematic diagram of the scraper head of the present invention;

[0027] Fig. 9 It is a cross-sectional schematic diagram of the scraper head and the rag support of the present invention;

[0028] Fig.10 It is a schematic diagram of the structure of the limiting convex seat and the limiting concave seat of the present invention;

[0029] Fig.11 It is a structural schematic diagram of the bottom of the scraper head of the present invention;

[0030] Fig.12 It is a structural schematic diagram of the rag bracket of the present invention;

[0031] Fig.13It is a schematic diagram of the connection structure between the scraper head and the main body of the present invention;

[0032] Fig.14 for Fig.13 The enlarged view of point B in the middle;

[0033] Fig.15 for Figure 2 The enlarged view of point A in the middle;

[0034] Fig.16 It is a structural schematic diagram of the box body and the air intake area of ​​the present invention;

[0035] Fig.17 It is a schematic diagram of the water tank structure of the present invention;

[0036] In the figure: 1, main body; 11, water tank seat; 111, positioning port; 12, connection port; 121, limiting groove;

[0037] 2. Scraping head; 21. Suction port; 22. Cloth holder; 221. Positioning recess; 222. T-block; 223. Block; 23. Positioning groove; 24. Positioning hook; 25. Positioning hook; 26. Positioning convex seat; 261. Insertion groove;

[0038] 3. Water tank; 31. Sewage tank; 32. Clean water tank; 33. Air intake area; 34. Seat; 35. Lower cover; 36. Upper cover; 37. Fixed step; 38. Positioning seat; 381. Long groove;

[0039] 4. Fan module; 41. Cover body; 411. Upper cover; 412. Lower cover; 413. Front cover; 414. Rear cover; 42. Air extraction port; 43. Negative pressure chamber; 431. Arc boundary; 432. Air inlet area; 433. Air outlet area; 434. Air guide boundary; 44. Suction channel; 45. Turbine blades; 46. Fan bracket; 461. Hollow part;

[0040] 5. Separation chamber; 51. Sewage inlet; 52. Sewage outlet; 53. First guide area; 54. Second guide area; 55. Arc-shaped convex part; 56. Water retaining boundary;

[0041] 6. current limiting structure; 61. flow guide cover; 62. partition; 63. upper baffle; 64. corner; 65. oblique guide;

[0042] 7. Sprinkler head; 8. Positioning assembly; 81. Locking piece; 811. Operating end; DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] It should be understood that although the terms upper, middle, lower, top, end, etc. appear in this article to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish elements from each other for easy understanding, and are not used to define any direction or order limitation.

[0045] like Figure 1-7 As shown, a novel wireless plane cleaner comprises a main body 1, the main body 1 is equipped with a scraper head 2, a water tank 3 and a suction structure, the scraper head 2 is provided with a suction port 21, the suction structure sucks sewage into the water tank 3 through the suction port 21, the suction structure comprises a fan module 4 for generating suction, a suction channel 44 connected to the suction port 21 and a gas-liquid separation chamber 5 connected to the water tank 3,

[0046] The fan module 4 includes a cover body 41 and a fan and a turbine blade 45 contained therein. The cover body 41 is provided with an air suction port 42 connected to the separation chamber 5 at the upper portion. The cover body 41 is provided with a negative pressure chamber 43 enclosed outside a fan bracket 46 at the lower portion. A fan is arranged in the fan bracket 46. The air passes through the fan bracket 46 during the discharge process, thereby achieving a heat dissipation effect. The negative pressure chamber 43 is connected to the air suction port 42 and discharges the air. The negative pressure at the air suction port 42 provides suction force, thereby sucking the sewage into the separation chamber 5.

[0047] At least one suction channel 44 is formed on the periphery of the cover body 41 and connected to the suction port 21. The suction channel 44 converges in the separation chamber 5 to form a sewage inlet 51. The sewage inlet 51 is located below the air suction port 42.

[0048] A separation chamber 5 is provided with a sewage outlet 52 at the bottom of the separation chamber 5, and a flow limiting structure 6 is provided between the separation chamber 5 and the sewage inlet 51, the flow limiting structure 6 guides the sewage toward the sewage outlet, and the flow limiting structure 6 separates the air suction port 42 and the sewage inlet 51 to keep the sewage away from the air suction port 42.

[0049] In this embodiment, the number of the suction channels 44 is two, the two suction channels 44 are arranged on both sides of the cover body 41, the two inlets of the suction channels 44 are connected to the suction port 21, the outlets of the two suction channels 44 constitute two sewage inlets 51, the two sewage inlets 51 are arranged on both sides of the air suction port 42, and the flow limiting structure 6 is arranged between each sewage inlet 51 and the air suction port 42.

[0050] As a further explanation of the flow limiting structure 6, the flow limiting structure 6 includes a flow guide cover 61 and a partition 62 formed on one side of the flow guide cover 61, and the flow guide cover 61 and the partition 62 are arranged on the outside of the sewage inlet 51, and the flow guide cover 61 and the partition 62 form a channel for guiding sewage away from the side of the suction port 42 and entering the separation cover.

[0051] The guide cover 61 and the side inner wall of the separation chamber 5 constitute a first guide area 53 for guiding the sewage toward the side inner wall of the separation chamber 5. The sewage is guided into the first guide area 53 by the guide cover 61. The partition 62 abuts against the outer side wall of the separation cover to constitute a second guide area 54 for guiding the sewage toward the sewage outlet 52. The partition 62 further prevents the sewage from being sucked into the suction port 42 by negative pressure. The second guide area 54 is connected to the bottom of the first guide area 53, so that the sewage directly enters the sewage outlet 52 downward.

[0052] In other embodiments, the guide cover 61 includes an upper baffle portion 63 formed on the top of the sewage inlet 51, a corner portion 64 formed on one side of the sewage inlet 51, and an inclined guide portion 65 formed on the other side of the sewage inlet 51. The corner portion 64 and the inclined guide portion 65 are both arranged toward the side inner wall of the separation chamber 5 to divert the sewage. It should be pointed out that the guide cover 61 can extend upward to connect the separation chamber 5, and the guide cover 61 can include one of the upper baffle portion 63, the inclined guide portion 65 and the corner portion 64.

[0053] In other embodiments, the negative pressure chamber 43 has an arc-shaped boundary 431 protruding toward the separation chamber 5. The arc-shaped boundary 431 forms a spherical cavity of the negative pressure chamber 43 to increase the suction effect. An arc-shaped convex portion 55 matching the contour of the arc-shaped boundary 431 is formed in the separation chamber 5. The arc-shaped convex portion 55 is located at the bottom of the first guide area 53 and constitutes a water retaining boundary 56. The air suction port 42 is located above the water retaining boundary 56. The water retaining boundary 56 increases the stroke of the sewage in the first guide area 53, further increases the distance between the sewage inlet 51 and the air suction port 42, and prevents the sewage from being sucked into the air suction port 42 from the bottom of the partition 62.

[0054] In the above embodiment, the arc-shaped convex portion 55 protrudes in a hemispherical shape in the separation chamber 5, the air suction port 42 is located above the middle of the hemisphere, and the sewage inlet 51 and the flow limiting structure 6 are arranged at the two side ends of the hemisphere, so that the arc occupied by the air suction port 42 is much larger than the flow limiting structure 6 and the sewage inlet 51, and the arc occupied by the hemisphere formed by the arc-shaped convex portion 55 is the largest at the water retaining boundary 56 in the separation chamber 5, thereby further reducing the effect of the air suction port 42 on the sewage entering the separation chamber 5, so that the sewage enters the sewage outlet 52 stably.

[0055] Specifically, the partition plate 62 is arranged at the boundary of the corner portion 64 and extends downward on the arc-shaped protrusion 55, so as to further enhance the blocking and isolation effect on sewage.

[0056] As an implementation scheme of the negative pressure chamber 43, the negative pressure chamber 43 includes an air inlet area 432 and an air outlet area 433, and an oblique air guide boundary 434 is formed between the air inlet area 432 and the air outlet area 433. The blade height of the turbine blade 45 increases along the air guide boundary 434, and the blade extends into the air inlet area 432. The fan module 4 is close to the suction port 21 to increase the suction effect, and the fan bracket 46 is arranged in the air outlet area 433 to improve the heat dissipation effect.

[0057] As a further explanation of the negative pressure chamber 43, the cross-section of the air inlet area 432 is rectangular, the air outlet 42 is formed at the top corner of the air inlet area 432, the air guide boundary 434 is expanded outward at the bottom of the air inlet area 432, the air outlet area 433 is connected to the air guide boundary 434 to form a spherical cavity, the turbine blades 45 are arranged at the air guide boundary 434 and adapted to the contour of the air guide boundary 434, and the fan bracket 46 is located in the middle of the air outlet area 433.

[0058] Specifically, the cover body 41 includes an upper cover 411 and a lower cover 412, the air intake port 42 is arranged at the top of the upper cover 411, the suction channel 44 is arranged at the outer periphery of the upper cover 411, the air inlet area 432 and the air guide boundary 434 are formed in the upper cover 411, the fan bracket 46 and the air outlet area 433 are arranged in the lower cover 412, and at least two air outlets are also provided at the lower cover 412.

[0059] Specifically, the separation chamber 5 is composed of a front cover 413 and a rear cover 414, the contour of the front cover 413 matches the cover body 41, and an air suction port is formed on the front cover 413, the air suction port extends into the separation chamber 5, and the air suction port port matches the contour of the separation chamber 5; the rear cover 414 is provided with a retaining rib matching the partition 62, and the retaining rib and the partition 62 are positioned with each other, and the sewage outlet 52 can be formed at the bottom of the front cover 413 or the rear cover 414.

[0060] As an embodiment of heat dissipation for the fan in the negative pressure chamber 43 , a hollow portion 461 is provided on the fan bracket 46 so that the air in the negative pressure chamber 43 can be discharged after passing through the fan.

[0061] Working principle:

[0062] Sewage suction: The fan module 4 works to generate negative pressure through the air suction port 42, and the sewage and air are sucked into the suction channel 44 through the suction port 21 on the scraper head 2, and the sewage and air enter the separation chamber 5 through the sewage inlet 51;

[0063] Sewage and air separation: Sewage is guided into the first guide area 53 by the guide cover 61 and the partition 62, and air passes through the second guide area 54 upward through the suction port into the negative pressure chamber 43, and the air is discharged after heat dissipation by the fan bracket 46. Sewage passes through the second guide area 54 and moves toward the sewage outlet 52 under gravity, and finally enters the sewage tank 31;

[0064] Sewage and air enter the separation chamber 5 through the suction port 21 and the suction channel 44. The sewage is guided and restricted by the guide cover 61, forced to enter the first guide area 53 and then move downward. The sewage enters the second guide area 54 due to gravity, and the sewage is isolated outside the air suction port 42 by the partition 62. Since the first and second guide areas 54 are both located below the air suction port 42, the effect of negative pressure on the sewage is reduced, so that the sewage enters the separation chamber 5 and directly enters the sewage tank 31 through the sewage outlet 52, effectively preventing the sewage from entering the air suction port 42, and ensuring the normal use of the cleaner. At the same time, the air entering the separation chamber 5 is able to enter the air suction port 42 through the first guide area 53, and enter the negative pressure chamber 43 under the action of the fan module 4. The negative pressure chamber 43 surrounds the fan bracket 46, so that during the exhaust process, the air passes through the fan bracket 46, thereby dissipating the heat of the fan, which is beneficial to the continuous use of the cleaner.

[0065] like Figures 8 to 14 As shown, in other embodiments, the scraping head 2 and the main body 1 are detachably arranged, and a rag holder 22 and at least two positioning grooves 23 are detachably provided at the bottom of the scraping head 2. The rag holder 22 cooperates with the front positioning groove 23 to extend out of the scraping head 2, and the rag holder 22 cooperates with the rear positioning groove 23 to be received in the scraping head 2. The scraping head 2 also includes a limiting structure that allows the rag holder 22 to move forward and backward relative to the scraping head 2.

[0066] As an embodiment of disassembling the scraper head 2 and the main body 1: a rag holder 22 is detachably provided at the bottom of the scraper head 2, the end of the rag holder 22 is provided with a rag fixing portion, and the bottom of the scraper head 2 is provided with at least two positioning grooves 23 for limiting the rag holder 22, and the positioning grooves 23 are arranged at intervals along the suction port 21;

[0067] A positioning hook 24 is hinged inside the rag bracket 22, and both ends of the positioning hook 24 remain extended outside the rag bracket 22. The positioning hook 24 cooperates with the front positioning groove 23 to make the rag fixing part extend into the cleaning area, and the positioning hook 24 cooperates with the rear positioning groove 23 to make the rag fixing part retract outside the cleaning area.

[0068] As a further explanation of the positioning hook 24, a hinged end is provided in the middle of the positioning hook 24, one end of the positioning hook 24 extends out of the rag holder 22 and cooperates with the positioning groove 23 to form a positioning end, and the other end of the positioning hook 24 extends out of the rag holder 22 to form a first button end, and a first spring is provided between the first button end and the inner cavity of the rag holder 22. The first button end is pressed to make the positioning end retract into the rag holder 22, so as to adjust the extension or retraction of the rag holder 22, and the first button end and the positioning end are driven to extend by the elastic force of the first spring.

[0069] As an implementation method for disassembling the scraping head 2 and the rag holder 22: the main body 1 is provided with a connecting port 12 that is docked with the scraping head 2, the connecting port 12 is connected to the suction channel 44, and a limiting hook 25 is provided on the top of the scraping head 2, one end of the limiting hook 25 is hinged in the scraping head 2, and the limiting hook 25 has a limiting end extending outside the scraping head 2 and a second button end, the second button end is arranged in the middle of the limiting hook 25, and a second spring is arranged between the second button part and the scraping head 2, and a limiting groove 121 matching the limiting end is provided in the connecting port 12, and the second button end is pressed to make the limiting end retract into the scraping head 2.

[0070] As an implementation of the limiting structure: the limiting structure includes:

[0071] The limiting recess 221 is provided on both sides of the end surface of the rag support 22 corresponding to the scraper head 2, the rear of the limiting recess 221 is open, and a T-shaped block 222 is extended from the limiting recess 221;

[0072] The limiting boss 26 is arranged at the bottom of the scraping head 2, and the front of the limiting boss 26 is opened, and the limiting boss 26 is provided with a plug-in groove 261 matching the contour of the T-block 222. The T-block 222 is inserted into the plug-in groove 261 by plugging the limiting boss 26 and the limiting recess 221 at the opening to achieve the vertical and left-right direction limitation of the rag bracket 22 and the scraping head 2, and in the adjustment action between the rag bracket 22 and the positioning groove 23, the limiting recess 221 is always matched with the limiting boss 26 to maintain the stability of the action.

[0073] like Fig.10 and Fig.12 As shown, specifically, a block 223 is extended from the limiting recess 221, and the peripheral side of the block 223 is hollowed out so that the block 223 can swing vertically relative to the limiting recess 221, and the block 223 is located at the rear of the T-block 222. When the rag holder 22 is in use, the block 223 is used to limit the T-block 222 from falling out, and when the positioning hook 24 cooperates with the rear positioning groove 23, the limiting protrusion 26 abuts against the block 223 to prompt that it is in place.

[0074] like Figures 15 to 17 As shown, in other embodiments, the main body 1 is provided with a water tank receptacle 11 for installing a water supply tank 3, and the water tank 3 is integrally integrated with a sewage tank 31 and a clean water tank 32. The water tank 3 is provided with an air intake area 33 between the sewage tank 31 and the clean water tank 32, and the clean water tank 32 is connected to a water spray head 7 through a pipeline, and the water spray head 7 is arranged below the scraper head 2.

[0075] A water tank 3, wherein a sewage tank 31 is formed on the upper part of the water tank 3, and a seat body 34 is integrally constructed at the bottom of the water tank 3, wherein the seat body 34 is incompletely surrounded on one side of the water tank 3, and the seat body 34 is openly arranged corresponding to the other side of the water tank 3;

[0076] The lower cover 35 is adapted to the contour of the seat body 34, and the lower cover 35 and the seat body 34 are closed to form a clean water tank 32. The water tank 3 itself forms a sewage tank 31, which is extended at the bottom of the water tank 3 to form the seat body 34. The lower cover 35 is closed outside the seat body 34, and the seat body 34 and the lower cover 35 are used as the cavity wall of the clean water tank 32, thereby forming the clean water tank 32, realizing an integrated design of the clean water tank 32 and the sewage tank 31, and the sewage tank 31 and the clean water tank 32 can be removed in one operation, thereby reducing the quick-disassembly structure between the clean water tank 32 and the sewage tank 31;

[0077] A fixed step 37 is formed at the bottom of the water tank 3 and the seat body 34, and a connecting portion is provided on the fixed step 37 extending toward the lower cover 35. The upper and lower ends of the lower cover 35 are provided with connecting seats that are plugged into the connecting portion. The vertical height of the connecting seat is adapted to that of the fixed step 37. The end of the upper connecting seat is abutted against the fixed step 37 of the water tank 3, and an air intake area 33 is provided on the fixed step 37 and the top of the lower cover 35. The mounting structure of the lower cover 35 and the seat body 34 is arranged on the fixed step 37 and the bottom, and the air intake structure is arranged at the fixed step 37. The structural space between the water tank 3 and the lower cover 35 is reasonably utilized, so that the structural layout of the water tank 3 is more compact.

[0078] In this embodiment, the connection part may be a connection column with a threaded hole, and the connection seat may be a hole seat that is sleeved with the connection column.

[0079] As a further improvement of the sewage tank 31, a cover is provided on the top of the water tank 3, and a valve assembly and a sewage outlet are provided on the cover for limiting the one-way entry of sewage into the sewage tank 31, and a drainage stopper is provided on the sewage outlet.

[0080] like Fig.15As shown, as an embodiment of disassembling the water tank 3: a positioning assembly 8 is arranged at the bottom of the tank body, the positioning assembly 8 includes a locking member 81 elastically extending toward the water tank receptacle 11, the water tank receptacle 11 is provided with a positioning port 111 for inserting the locking member 81, and the locking member 81 is inserted into the positioning port 111 to limit the tank body from vertically slipping out of the water tank receptacle 11.

[0081] As a further explanation of the positioning assembly 8, the positioning assembly 8 also includes a positioning seat 38 formed at the bottom of the water tank 3, and a third spring is provided in the positioning seat 38 facing the positioning port 111, and the two ends of the third spring are respectively positioned between the rear of the locking member 81 and the positioning seat 38, and the locking member 81 is driven by the third spring to extend out of the water tank 3, thereby maintaining the lock between the water tank 3 and the main body 1, and the locking member 81 is unlocked by pushing the locking member 81, and the locking member 81 is reset by driving the third spring.

[0082] In order to increase the convenience of operating the locking piece 81, a long groove 381 is provided at the bottom of the positioning seat 38. The locking piece 81 has an operating end 811 that is inserted and moved in the long groove 381. The operating end 811 forms a locking position and an unlocking position at both ends of the long groove 381.

[0083] Specifically, the operating end 811 is provided with a through slot for a finger to be inserted into, and a baffle is provided at the end of the through slot.

[0084] Specifically, the locking piece 81 extends out of the water tank 3, and a guiding slope is provided at the end of the locking piece 81, and the guiding slope is arranged toward the assembly direction of the water tank 3, so that during assembly, the water tank 3 is directly inserted vertically into the main body 1, the guiding slope is abutted against the bottom of the main body 1, and the third spring is contracted under force. After the water tank 3 is inserted, the locking piece 81 is aligned with the positioning port 111, and the third spring is extended to drive the locking piece 81 to extend into the positioning port 111, which is easy to operate.

[0085] The positioning seat 38 and the locking piece 81 are arranged at the bottom of the water tank 3. By pulling the operating end 811, the locking piece 81 is disengaged from the positioning port 111. At this time, the limiting protrusion maintains a horizontal limit, and the water tank 3 and the main body 1 can be directly pulled apart; when the water tank 3 is installed into the main body 1, it can be directly vertically plugged in through the guiding inclined surface on the locking piece 81. The locking piece 81 is retracted and extended under the action of the third spring, and finally the locking is completed, which is easy to operate.

[0086] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A novel wireless flat surface cleaner, comprising a main body (1), the main body (1) being equipped with a scraper head (2), a water tank (3) and a suction structure, the scraper head (2) being provided with a suction port (21), the suction structure sucking sewage into the water tank (3) through the suction port (21), characterized in that: The suction structure comprises a fan module (4) for generating suction force, a suction channel (44) connected to the suction port (21), and a gas-liquid separation chamber (5) connected to the water tank (3). The fan module (4) comprises a cover body (41) and a fan bracket (46) and a turbine blade (45) accommodated therein, wherein the cover body (41) is provided with an air suction port (42) connected to the separation chamber (5) at the upper portion, and a negative pressure chamber (43) enclosed outside the fan bracket (46) is arranged at the lower portion of the cover body (41), wherein the negative pressure chamber (43) is connected to the air suction port (42) and discharges air; at least one suction channel (44) formed on the periphery of the cover body (41) and connected to the suction port (21), the suction channel (44) converging in the separation chamber (5) to form a sewage inlet (51), the sewage inlet (51) being located below the air suction port (42); A separation chamber (5), wherein a sewage discharge port (52) is provided at the bottom of the separation chamber (5), and a flow limiting structure (6) is provided between the separation chamber (5) and the sewage inlet (51), wherein the flow limiting structure (6) guides the sewage to move toward the sewage discharge port, and the flow limiting structure (6) separates the air suction port (42) and the sewage inlet (51), so that the sewage is kept away from the air suction port (42).

2. A novel wireless plane cleaner according to claim 1, characterized in that: The flow limiting structure (6) comprises a flow guide cover (61) and a partition (62) formed on one side of the flow guide cover (61); the flow guide cover (61) is arranged on the periphery of the sewage inlet (51); the flow guide cover (61) and the side inner wall of the separation chamber (5) form a first guide area (53) for guiding sewage to move toward the side inner wall of the separation chamber (5); The partition plate (62) abuts against the outer side wall of the separation cover to form a second guide area (54) for guiding the sewage toward the sewage outlet (52). The second guide area (54) is connected to a lower portion of the first guide area (53).

3. A novel wireless plane cleaner according to claim 2, characterized in that: The negative pressure chamber (43) has an arc-shaped boundary (431) protruding toward the separation chamber (5), and an arc-shaped convex portion (55) matching the contour of the arc-shaped boundary (431) is formed in the separation chamber (5); the arc-shaped convex portion (55) is located at the bottom of the first guide area (53) and constitutes a water retaining boundary (56).

4. A novel wireless plane cleaner according to claim 3, characterized in that: The flow guide cover (61) comprises an upper stopper (63) formed at the top of the sewage inlet (51), a corner portion (64) formed at one side of the sewage inlet (51), and an inclined guide portion (65) formed at the other side of the sewage inlet (51), wherein the corner portion (64) and the inclined guide portion (65) are both arranged toward the side inner wall of the separation chamber (5).

5. A novel wireless plane cleaning device according to claim 4, characterized in that: The partition plate (62) is arranged at the edge of the corner portion (64) and extends downward onto the arc-shaped convex portion (55), and the air suction port (42) is located above the arc-shaped convex portion (55).

6. A novel wireless plane cleaning device according to claim 1, characterized in that: The negative pressure chamber (43) comprises an air inlet area (432) and an air outlet area (433), an oblique air guide boundary (434) is formed between the air inlet area (432) and the air outlet area (433), the blade height of the turbine blade (45) increases along the air guide boundary (434), and the blade extends into the air inlet area (432), and the fan bracket (46) is arranged in the air outlet area (433).

7. A novel wireless plane cleaning device according to claim 6, characterized in that: The cover body (41) comprises an upper cover (411) and a lower cover (412), the air suction port (42) is arranged at the top of the upper cover (411), the suction channel (44) is arranged at the outer periphery of the upper cover (411), the air inlet area (432) and the air guide boundary (434) are formed in the upper cover (411), and the fan bracket (46) and the air outlet area (433) are arranged in the lower cover (412).

8. The novel wireless plane cleaning device according to claim 1 is characterized in that: The fan support (46) is provided with a hollow portion (461) so that the air in the negative pressure chamber (43) can be discharged after passing through the fan.

9. A novel wireless plane cleaning device according to claim 1, characterized in that: The scraper head (2) and the main body (1) are detachably arranged, and a rag holder (22) and at least two positioning grooves (23) are detachably provided at the bottom of the scraper head (2), the rag holder (22) cooperates with the front positioning groove (23) to extend out of the scraper head (2), and the rag holder (22) cooperates with the rear positioning groove (23) to be received in the scraper head (2), and the scraper head (2) also includes a limiting structure that allows the rag holder (22) to move forward and backward relative to the scraper head (2).

10. A novel wireless plane cleaning device according to claim 1, characterized in that: The main body (1) is provided with a water tank receptacle (11) for mounting a water supply tank (3); a sewage tank (31) and a clean water tank (32) are integrated in the water tank (3); an air intake area (33) is provided on the water tank (3) between the sewage tank (31) and the clean water tank (32); the clean water tank (32) is connected to a water spray head (7) via a pipeline; the water spray head (7) is arranged below the scraper head (2).

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