CN216135764U

CN216135764U - Dry-wet dual-purpose dust collector capable of improving corner cleaning capacity

Info

Publication number: CN216135764U
Application number: CN202121718306.2U
Authority: CN
Inventors: 黄钰钦
Original assignee: Ningbo Green Forest Electronic Technology Co ltd
Current assignee: Ningbo Green Forest Electronic Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-03-29
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a dry and wet dual-purpose dust collector capable of improving the corner cleaning capability, which comprises: the floor brush component comprises a main shell, a clear water tank and a rolling brush; the main shell is provided with a negative pressure suction hole, and the rotating rolling brush is used for rolling sewage and garbage to the negative pressure suction hole; the bottom of the clean water tank is provided with a water conveying pipeline communicated with the flow dividing assembly, the flow dividing assembly is provided with a plurality of nozzles, and the water pump conveys the water in the clean water tank into the flow dividing assembly through the water conveying pipeline and sprays the water to the rolling brush through the nozzles; the machine body component comprises a main machine body, a sewage tank and an air exhaust device; and a negative pressure pipeline is hermetically communicated between the inside of the sewage tank and the negative pressure suction hole, and the air exhaust device works and generates negative pressure to suck sewage and garbage at the negative pressure suction hole into the sewage tank through the negative pressure pipeline. The clean water tank is arranged on the floor brush component, so that the labor intensity of a user is reduced, and the rolling brush is detachably arranged at the front end of the main shell, so that the cleaning capability of corners is greatly improved.

Description

Dry-wet dual-purpose dust collector capable of improving corner cleaning capacity

Technical Field

The utility model relates to the technical field of dust collectors, in particular to a dry and wet dual-purpose dust collector capable of improving the corner cleaning capacity.

Background

The working principle of the dust collector is that a motor is used for driving blades to rotate at a high speed, air negative pressure is generated in a sealed shell, and dust is further sucked to achieve the purpose of cleaning; however, in order to clean some stains adhered to the surface to be cleaned while dust is sucked, an auxiliary cleaning water tank and a rolling brush are added on the dust collector, water in the water tank wets the rolling brush, the adhered stains are cleaned by the rolling brush, the cleaning capability of the dust collector is greatly improved, and a wet-dry dust collector is appeared; along with the improvement of living standards and the improvement of science and technology of people, a dry-wet dual-purpose dust collector is more and more popular in families, in the prior art, a clear water tank of the dry-wet dual-purpose dust collector is usually arranged on a machine body, a long pipeline is required to be arranged to convey clear water to a rolling brush, the whole structure design and layout difficulty is large, the conveying power requirement is high, the clear water utilization rate is low, most importantly, a cleaner always bears the weight burden of the clear water tank and the clear water in the using process, the labor intensity of the cleaner is increased, and the use intention of the cleaner is reduced; meanwhile, the rolling brush of the dry and wet dual-purpose dust collector is usually arranged in the floor brush shell, and when corners of the ground are cleaned, the rolling brush cannot reach the corners of the surface to be cleaned due to the blocking influence of the floor brush shell, so that the cleaning capability of the dust collector is greatly reduced. Therefore, the improvement and innovation of the existing wet and dry dust collector are needed to meet the market demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dry and wet dual-purpose dust collector which can increase the corner cleaning capability, reduce the labor intensity of cleaning personnel and improve the utilization rate of clean water.

In order to solve the above technical problems, the present invention provides a wet and dry vacuum cleaner with increased corner cleaning ability, comprising:

the floor brush component comprises a main shell, a clean water tank and a rolling brush, wherein the clean water tank and the rolling brush are both arranged on the main shell;

the rolling brush is rotatably arranged at the front end of the main shell, a driving mechanism for driving the rolling brush to rotate is arranged on the main shell, a negative pressure suction hole corresponding to the rolling brush is formed in the main shell, and the rotating rolling brush is used for rolling sewage and garbage on a surface to be cleaned to the negative pressure suction hole;

the bottom of the clean water tank is provided with a water conveying pipeline communicated with the flow dividing assembly, a water pump is connected in series on the water conveying pipeline, the flow dividing assembly is mounted on the main shell, the flow dividing assembly is provided with a plurality of nozzles arranged towards the rolling brush, the water pump conveys the water in the clean water tank into the flow dividing assembly through the water conveying pipeline, and the water entering the flow dividing assembly is sprayed onto the rolling brush through the nozzles;

the machine body component comprises a main machine body, a sewage tank, an air exhaust device and an operating handle, wherein the sewage tank, the air exhaust device and the operating handle are all arranged on the main machine body;

the one end of the main engine body is connected on the rear end of the main engine body, the sewage tank be sealed box and its inside and the sealed intercommunication has negative pressure pipeline between the hole is inhaled to the negative pressure, air exhaust device's air inlet with the inside seal switch-on of sewage tank, the operating handle with the main engine body is connected respectively the both ends of the main engine body, air exhaust device work and produce the negative pressure and pass through negative pressure pipeline with sewage and rubbish of negative pressure suction hole department and suction to the sewage tank in.

As a further improvement of the utility model, the main shell comprises an upper shell monomer and a lower shell monomer which are matched up and down and are fastened together, the lower surface of the lower shell monomer is provided with a plurality of front rollers which are coaxially and rotatably mounted, the rear end of the main shell is provided with a plurality of rear rollers which are coaxially and rotatably mounted, the rolling brush comprises a cylindrical shaft barrel and a brush body which is fixed on the outer circumferential surface of the shaft barrel, two ends of the shaft barrel are respectively plugged with a plug head which is fixed with the shaft barrel, the outer end of one plug head is fixed with a bearing which is coaxial with the shaft barrel, the inner ring of the bearing is fixed with the corresponding plug head, the outer end of the other plug head is provided with a spline groove, two sides of the main shell are respectively provided with a driving mechanism and a supporting end cover, the rolling brush is clamped and mounted between the supporting end cover and the driving mechanism, and the outer ring of the bearing on the rolling brush is matched and supported in a positioning ring arranged on the supporting end cover, the spline head arranged on the driving mechanism is matched with and extends into the spline groove at the end part of the rolling brush and drives the rolling brush to synchronously rotate, and an arc-shaped transparent protective plate positioned above the rolling brush is fixed on the upper shell monomer.

As a further improvement of the utility model, the driving mechanism comprises a driving motor, a supporting shell and a speed change assembly arranged in the supporting shell, the speed change assembly comprises a driving pulley, an intermediate pulley and a driven pulley which are rotatably arranged in the supporting shell, the supporting shell is clamped and fixed between the upper shell monomer and the lower shell monomer, the driving pulley is coaxially fixed with an output shaft of the driving motor, the driving motor is fixed outside the supporting shell, a first synchronous belt with transmission is connected between the driving pulley and the intermediate pulley, a second synchronous belt with transmission is connected between the driven pulley and the intermediate pulley, a spline head which is positioned outside the supporting shell and extends out towards the direction of the supporting end cover is coaxially fixed on the driven pulley, and the spline head is matched and extends into a spline groove at the end part of the rolling brush, the driving motor drives the spline head to rotate through the first synchronous belt and the second synchronous belt, and the spline head drives the rolling brush to synchronously rotate.

As a further improvement of the utility model, a positioning ring body extending towards the spline head is fixed on the side surface of the supporting end cover, an installation body is also fixed on the supporting end cover, a plurality of positioning pins and positioning fasteners which can be simultaneously stretched and contracted are arranged on the installation body, the positioning fasteners and the positioning pins respectively extend into and are positioned in fastening grooves and positioning grooves arranged on the decorative cover in a matching manner so as to fix the installation body on the decorative cover, a driving piece for driving the positioning pins and the positioning fasteners to synchronously move is arranged in the installation body, the positioning fasteners are fixed on the driving piece, a supporting spring is arranged at the inner ends of the positioning pins, the driving piece drives the positioning pins to inwards shrink through an inclined surface, the driving piece is manually pulled so that the positioning pins and the positioning fasteners synchronously move and respectively separate from the corresponding positioning grooves and fastening grooves so as to separate the installation body from the decorative cover, the decorative cover is clamped and fixed between the upper shell monomer and the lower shell monomer.

As a further improvement of the utility model, the negative pressure suction hole is arranged on the lower shell monomer, two sides of the outer end of the negative pressure suction hole are smoothly connected with a trumpet-shaped flow guide channel, the width covered by the flow guide channel is correspondingly matched with the length of the rolling brush, the lower edge of the flow guide channel is provided with a scraping strip which extends obliquely downwards, a flat suction port is arranged between the scraping strip and the rolling brush, a strip-shaped flow distribution component which is horizontally fixed on the lower shell monomer is arranged above the flow guide channel, the length of the flow distribution component is correspondingly matched with the length of the rolling brush, the flow distribution component comprises a strip-shaped flow distribution main body, a cover plate and a water inlet joint, the flow distribution main body is fixed on the lower shell monomer, the brush body of the rolling brush is contacted with the lower edge of the flow distribution main body, the flow distribution main body is provided with a plurality of water spray holes which are distributed along the length direction of the flow distribution main body, the play water end of hole for water spraying is equipped with just right the loudspeaker form water conservancy diversion face that the round brush set up, and the port department that goes out the water end at the hole for water spraying is equipped with vertical branch stream block, hole for water spraying, water conservancy diversion face and branch stream block constitute the nozzle, the end of intaking of hole for water spraying all switches on with the reposition of redundant personnel cavity, the reposition of redundant personnel cavity sets up in the reposition of redundant personnel main part and by the sealed cavity that forms of apron, be fixed with on the apron with the water supply connector of reposition of redundant personnel cavity intercommunication.

As a further improvement of the utility model, the water conveying pipeline is arranged in a space between the upper shell monomer and the lower shell monomer, the water conveying pipeline comprises a water pump, a water inlet main pipe, a water outlet main pipe, a multi-way joint and a plurality of water inlet branch pipes, two ends of each water inlet branch pipe are respectively communicated with an inner cavity of a switching valve and the multi-way joint, the switching valve is communicated with the bottom of the clean water tank, two ends of each water inlet main pipe are respectively communicated with a water inlet of the water pump and the multi-way joint, two ends of each water outlet main pipe are respectively communicated with a water outlet of the water pump and the water inlet joint, an electronic water valve for controlling the on-off of a water path is connected to the water inlet main pipe in series, and the electronic water valve, the water pump and the switching valve are all fixed on the upper surface of the lower shell monomer.

As a further improvement of the utility model, the bottom of the clean water tank is provided with a plurality of drain holes and a water filling port, the top of the clean water tank is provided with a duckbill valve for air to enter the tank body, the water filling port is screwed with a sealing cover for sealing the water filling port, the sealing cover is connected with a water purifier positioned in the clean water tank through threads, the drain holes are correspondingly provided with drain valves, each drain valve comprises a valve body and a valve core, the valve body is fixed in the clean water tank, the top of the valve body is provided with a hollow structure for water to pass through, the valve core is fixed with a valve rod which vertically and upwards slides and penetrates through the valve body, the valve rod is sleeved with a compression spring for sealing and compressing the corresponding valve core in the corresponding drain hole, the outside of the clean water tank is provided with a plurality of clamping feet and a telescopic positioning head, and the clamping feet and the positioning head are matched and extended into a clamping groove arranged on the upper shell monomer, the clean water tank is matched and fixed in a concave surface arranged on the upper surface of the upper shell monomer, the drain holes at the bottom of the clean water tank are in one-to-one correspondence with the switching valves, the switching valves are provided with ejector rods vertically and upwards penetrating through holes at the bottom of the upper shell monomer, the ejector rods upwards jack the corresponding valve cores to open the drain holes, the through holes at the bottom of the upper shell monomer are provided with flexible sealing pressing rings which are tightly clamped around the corresponding drain holes and between the switching valves in a sealing mode, and the drain holes are communicated with the inner cavity of the switching valves in a sealing mode.

As a further improvement of the present invention, the negative pressure pipeline includes a first air pipe and a connection hose, the first air pipe is clamped and fixed between the upper shell monomer and the lower shell monomer, two ends of the first air pipe are respectively connected with the negative pressure suction hole and the corresponding end of the connection hose in a sealing manner, the other end of the connection hose is connected at the lower end of a pipe joint in a sealing manner, the pipe joint is fixed inside an adapter body, the adapter body is horizontally hinged at the rear end of the main shell, the lower end of the main body is fixed outside the adapter body, the lower end of a second air pipe arranged inside the main body is connected at the upper end of the pipe joint in a sealing manner, and the upper port of the second air pipe is connected with a flexible sealing joint ring.

As a further improvement of the utility model, the bottom and the top of the sewage tank are respectively provided with a positioning cushion block and a telescopic bayonet lock, the positioning cushion block and the bayonet lock are respectively matched and extended into a supporting groove and a limiting groove arranged on the main body so as to match and fix the sewage tank in a mounting cavity arranged on the main body, a vertical check pipe is fixed on the bottom surface in the sewage tank, the lower port of the check pipe penetrates through the bottom of the sewage tank, the sealing joint ring is tightly sealed and pressed on the periphery of the lower port of the check pipe, the check pipe is hermetically communicated with the second air pipe, the upper end of the check pipe is provided with a lateral opening communicated with the inside of the sewage tank, the lateral opening is opposite to a flow partition plate fixed on the top surface in the sewage tank, the top of the sewage tank is also provided with an exhaust hole, and the inside of the sewage tank is also provided with a floater for plugging the exhaust hole, the floater is installed on the slotted hole of mount through the vertical slidable mounting of guide block that its side set up, the mount is fixed on the inside top surface of sewage case, the side of mount still is equipped with air inlet window, the outer end in exhaust hole still is equipped with the connecting cylinder of fixing at the sewage case top, be equipped with the filter body in the connecting cylinder, the top edge of connecting cylinder is equipped with the round sealed pad, sealed pad is sealed to compress tightly around air exhaust device air inlet.

As a further improvement of the utility model, the air exhaust device is arranged at the upper end of the main machine body, an air outlet of the air exhaust device is communicated with the outside through a crack between the sewage tank and the main machine body, the main machine body is also provided with a battery pack, and the operating handle is fixed at the upper end of the main machine body.

The utility model has the beneficial effects that:

the utility model relates to a dry and wet dual-purpose dust collector capable of improving the cleaning capability of corners, which comprises a ground brush component, a clean water tank, a cleaning brush component, a cleaning brush, a rolling wheel, a cleaning brush, a rotating wheel and a rotating wheel, wherein the rotating wheel is arranged on the rotating wheel; secondly, after the clean water tank is arranged on the main shell, the drain valve at the bottom of the clean water tank can be automatically opened and can be automatically communicated with the switching valve, liquid in the clean water tank can automatically enter the switching valve and the water conveying pipeline, and after the clean water tank is detached from the main shell, the drain valve at the bottom of the clean water tank can be automatically closed, so that the clean water tank is ingenious in overall structural design and convenient to fill water; furthermore, the rolling brush is arranged at the front end of the main shell, so that no fixed blocking object is arranged in front of the rolling brush, the rolling brush can roll to corners such as corners, the cleaning capability of the rolling brush on the corners is greatly improved, meanwhile, the supporting end cover arranged at one end of the rolling brush can be flexibly detached, the rolling brush can be rapidly detached from the main shell, and the daily cleaning and maintenance and the replacement of the brush body are facilitated.

Drawings

FIG. 1 is a perspective view of a wet and dry vacuum cleaner with increased corner cleaning capability;

FIG. 2 is a front cross-sectional view of a wet and dry vacuum cleaner for enhancing corner cleaning ability (solid arrows indicate the flow direction of the mixture of air, water and garbage, and hollow arrows indicate the flow direction of air);

FIG. 3 is an enlarged view of A in FIG. 2 (the solid arrows indicate the flow direction of the mixture of air, water and garbage, and the hollow arrows indicate the flow direction of air);

FIG. 4 is an enlarged view B of FIG. 2 (the solid arrows indicate the flow direction of the mixture of air, water and garbage, and the hollow arrows indicate the flow direction of air);

FIG. 5 is a schematic perspective view of the body member with the waste water tank removed;

in fig. 6, a is a front sectional view of the sewage tank, b is a perspective view of the float mounted on the fixed float (solid arrows in the figure indicate the flow direction of the mixture of air, water and garbage, and hollow arrows indicate the flow direction of air);

FIG. 7 is a perspective view of the floor brush assembly;

FIG. 8 is a top view of the floor brush assembly with the clean water tank and the upper housing monolith removed;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;

fig. 10 a is a schematic perspective view of the floor brush component with the roller brush removed and the supporting end cap removed, and b is a schematic perspective view of the roller brush mounted on the supporting end cap;

FIG. 11 is a perspective view of the support end cap and the mounting body;

fig. 12 a is a schematic perspective view of the driving member and the positioning pin mounted in the mounting body, and b is a schematic perspective view of the driving member and the positioning pin engaged with each other;

FIG. 13 is a perspective view of the drive mechanism (with a portion of the cover plate removed from the support housing);

FIG. 14 is a perspective view of the floor brush assembly with the clear water tank removed;

FIG. 15 is a sectional view of the installation of the drain valve at the bottom of the clear water tank in butt joint with the changeover valve on the lower shell unit;

FIG. 16 is a front view of the clean water tank;

FIG. 17 is a cross-sectional view taken in the direction D-D of FIG. 16;

FIG. 18, a front view of the shunt assembly, b, a cross-sectional view in the direction E-E of a, and c, a rear view of the shunt body;

the reference numbers in the figures illustrate:

10. a corner; 11. a main body; 12. an operating handle; 13. a sewage tank; 14. a battery pack; 15. rolling and brushing; 16. an air extraction device; 17. a drive mechanism; 18. a clear water tank; 181. a water injection port; 182. a sealing cover; 183. a water purifier; 19. an upper shell monomer; 191. a transparent guard plate; 192. a concave surface; 20. a lower shell monomer; 21. a front roller; 22. a rear roller; 23. a shaft cylinder; 24. a brush body; 25. a plug head; 26. a bearing; 27. a spline groove; 28. supporting the end cap; 29. a drive motor; 30. a support housing; 31. a drive pulley; 32. an intermediate pulley; 33. a driven pulley; 34. a first synchronization belt; 35. a second synchronous belt; 36. a spline head; 37. a positioning ring body; 38. positioning pins; 381. a support spring; 39. positioning the fastener; 391. buckling grooves; 40. an installation body; 41. a decorative cover; 42. positioning a groove; 43. a drive member; 44. negative pressure suction holes; 45. a flow guide channel; 46. scraping the strips; 461. a flat suction port; 47. a shunt body; 48. a cover plate; 49. a water inlet joint; 50. a water spray hole; 51. a flow guide surface; 52. a shunting block; 53. a flow diversion chamber; 54. a water pump; 55. a water inlet main pipe; 56. a main drain pipe; 57. a multi-way joint; 58. water inlet branch pipes; 59. a transfer valve; 60. an electronic water valve; 61. a drain hole; 62. a duckbill valve; 63. a drain valve; 64. a valve body; 65. a valve core; 66. a valve stem; 67. a compression spring; 68. clamping a pin; 69. positioning the head; 70. a card slot; 71. a top rod; 72. sealing the pressing ring; 73. a first air duct; 74. a connecting hose; 75. a pipe joint; 76. a switching body; 77. a second air duct; 78. sealing the adapter ring; 79. positioning a cushion block; 80. a bayonet lock; 801. a support groove; 81. a limiting groove; 82. mounting holes; 83. a non-return pipe; 84. a lateral opening; 85. a flow isolating plate; 86. an exhaust hole; 87. a float; 88. a guide block; 89. a fixed mount; 90. a long round hole; 91. an air intake window; 92. a connecting cylinder; 93. a filter body; 94. a gasket; 95. an air inlet of the air extraction device; 96. an exhaust port of the air extraction device.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1 to 18, an embodiment of a wet and dry vacuum cleaner for enhancing the cleaning ability of corners according to the present invention;

referring to fig. 1 to 6, a wet and dry cleaner for enhancing corner cleaning ability includes: a floor brush member including a main housing, a clean water tank 18 and a roll brush 15 both mounted on the main housing; the rolling brush 15 is rotatably mounted at the front end of the main shell, a driving mechanism 17 for driving the rolling brush 15 to rotate is mounted on the main shell, a negative pressure suction hole 44 corresponding to the rolling brush 15 is formed in the main shell, and the rotating rolling brush 15 is used for rolling sewage and garbage on a surface to be cleaned to the negative pressure suction hole 44; a water conveying pipeline communicated with the flow dividing assembly is arranged at the bottom of the clean water tank 18, a water pump 54 is connected in series on the water conveying pipeline, the flow dividing assembly is mounted on the main shell, a plurality of nozzles facing the rolling brush 15 are arranged on the flow dividing assembly, the water pump 54 sends the water pump 54 in the clean water tank 18 to the flow dividing assembly through the water conveying pipeline, and the water entering the flow dividing assembly is sprayed onto the rolling brush 15 through the nozzles; the wetted roller brush 15 has stronger cleaning capability and higher cleaning efficiency; a body part including a main body 11, a sewage tank 13, an air exhaust device 16 and an operating handle 12 all mounted on the main body 11; the one end of the main engine body 11 is connected on the rear end of the main casing body, the sewage tank 13 is sealed box body and its inside and the negative pressure is inhaled between the hole 44 and is sealed the switch-on and have the negative pressure pipeline, air exhaust device's air inlet 95 with the inside seal switch-on of sewage tank 13, operating handle 12 with the main casing body is connected respectively the both ends of main engine body 11, air exhaust device 16 work and produce the negative pressure and inhale sewage and rubbish of hole 44 department through the negative pressure pipeline suction to the sewage tank 13 in with the negative pressure.

Referring to fig. 1-10, the main housing includes an upper housing single body 19 and a lower housing single body 20 which are matched up and down and fastened together, the lower surface of the lower housing single body 20 is provided with a plurality of front rollers 21 which are coaxially and rotatably installed, the rear end of the main housing is provided with a plurality of rear rollers 22 which are coaxially and rotatably installed, the whole structure is supported by the front and rear rollers 22 to move on a surface to be cleaned, the rolling brush 15 includes a cylindrical shaft cylinder 23, a brush body 24 which is fixed on the outer circumferential surface of the shaft cylinder 23, both ends of the shaft cylinder 23 are plugged with plugs 25 which are fixed with the shaft cylinder 23, the outer end of one plug 25 is fixed with a bearing 26 which is coaxial with the shaft cylinder 23, the inner ring of the bearing 26 is fixed with the corresponding plug 25, the outer end of the other plug 25 is provided with a spline groove 27, both sides of the main housing are respectively provided with a driving mechanism 17 and a supporting end cover 28, the rolling brush 15 is clamped between the supporting end cover 28 and the driving mechanism 17, and the outer ring of the bearing 26 on the rolling brush 15 is supported in a positioning ring body 37 arranged on the supporting end cover 28 in a matching manner, a spline head 36 arranged on the driving mechanism 17 is extended into a spline groove 27 at the end part of the rolling brush 15 in a matching manner and drives the rolling brush 15 to synchronously rotate, and an arc-shaped transparent protective plate 191 positioned above the rolling brush 15 is fixed on the upper shell monomer 19.

Referring to fig. 10-13, the driving mechanism 17 includes a driving motor 29, a supporting housing 30 and a speed change assembly installed in the supporting housing 30, the speed change assembly includes a driving pulley 31, an intermediate pulley 32 and a driven pulley 33 rotatably installed in the supporting housing 30, the supporting housing 30 is clamped and fixed between the upper shell monomer 19 and the lower shell monomer 20, the driving pulley 31 is coaxially fixed with an output shaft of the driving motor 29, the driving motor 29 is fixed outside the supporting housing 30, a first synchronous belt 34 with belt transmission is connected between the driving pulley 31 and the intermediate pulley 32, a second synchronous belt 35 with belt transmission is connected between the driven pulley 33 and the intermediate pulley 32, a spline head 36 coaxially fixed on the driven pulley 33 and located outside the supporting housing 30 and extending towards the supporting end cover 28, the spline head 36 is inserted into the spline groove 27 at the end of the rolling brush 15 in a matching manner, the driving motor 29 drives the spline head 36 to rotate through the first synchronous belt 34 and the second synchronous belt 35, and the spline head 36 drives the rolling brush 15 to rotate synchronously.

Referring to fig. 10-13, a positioning ring 37 extending toward the spline head 36 is fixed on a side surface of the supporting end cap 28, an installation body 40 is further fixed on the supporting end cap 28, a plurality of positioning pins 38 and positioning fasteners 39 extending and retracting simultaneously are arranged on the installation body 40, the positioning fasteners 39 and the positioning pins 38 respectively extend into and are positioned in fastening grooves 391 and positioning grooves 42 arranged on the decorative cover 41, so as to fix the installation body 40 on the decorative cover 41, a driving member 43 for driving the positioning pins 38 and the positioning fasteners 39 to move synchronously is arranged inside the installation body 40, the positioning fasteners 39 are fixed on the driving member 43, a supporting spring 381 is arranged at an inner end of the positioning pins 38, the driving member 43 drives the positioning pins 38 to retract inwards through an inclined surface, the driving member 43 is manually pulled, so that the positioning pins 38 and the positioning fasteners 39 move synchronously and separate from the corresponding positioning grooves 42 and fastening grooves 391, so as to separate the mounting body 40 from the decoration cover 41, the decoration cover 41 is clamped and fixed between the upper case unit 19 and the lower case unit 20.

Referring to fig. 10-13 and 18, the negative pressure suction hole 44 is disposed on the lower casing single body 20, a trumpet-shaped flow guide channel 45 is smoothly connected to two sides of an outer end of the negative pressure suction hole 44, a width covered by the flow guide channel 45 is matched with a length of the rolling brush 15, the rolling brush 15 rotates sewage and garbage on a surface to be cleaned to roll into the flow guide channel 45, the sewage and garbage conveniently enter the negative pressure suction hole 44 through the flow guide channel 45, a scraping strip 46 extending obliquely downward is disposed on a lower edge of the flow guide channel 45, a flat suction port 461 is disposed between the scraping strip 46 and the rolling brush 15, the scraping strip 46 is tightly attached to the ground, the rolling brush 15 rotates the sewage and garbage to roll into the flow guide channel 45 through the flat suction port 461, a long strip-shaped flow dividing assembly horizontally fixed on the lower casing single body 20 is disposed above the flow guide channel 45, and a length of the flow dividing assembly is matched with a length of the rolling brush 15, the reposition of redundant personnel subassembly includes rectangular form reposition of redundant personnel main part 47, apron 48 and water supply connector 49, reposition of redundant personnel main part 47 is fixed on inferior valve monomer 20, just brush body 24 of round brush 15 with the lower border contact of reposition of redundant personnel main part 47, scrapes the rubbish of taking on the round brush 15 through the lower border of reposition of redundant personnel main part 47, improves the clean efficiency of round brush 15, be equipped with a plurality of hole for water sprayings 50 along its length direction distribution on the reposition of redundant personnel main part 47, hole for water spraying 50's play water end be equipped with just right the loudspeaker form water conservancy diversion face 51 that the round brush 15 set up, and be equipped with vertical branch piece 52 in the port department of hole for water spraying 50 play water end, hole for water spraying 50, water conservancy diversion face 51 and branch piece 52 constitute the nozzle increases the area that liquid sprayed to round brush 15, hole for water spraying 50's the end all switches on with reposition of redundant personnel cavity 53, reposition of redundant personnel cavity 53 sets up on the reposition of redundant personnel main part 47 and by apron 48 seals up and forms sealed cavity, a water inlet connector 49 communicated with the flow dividing chamber 53 is fixed on the cover plate 48.

Referring to fig. 8, the water conveying pipeline is disposed in a space between the upper shell monomer 19 and the lower shell monomer 20, the water conveying pipeline includes a water pump 54, a water inlet main pipe 55, a water outlet main pipe 56, a multi-way joint 57 and a plurality of water inlet branch pipes 58, two ends of the water inlet branch pipes 58 are respectively communicated with an inner cavity of a switching valve 59 and the multi-way joint 57, the switching valve 59 is communicated with the bottom of the clean water tank 18, water in the clean water tank 18 sequentially passes through the inner cavity of the switching valve 59, the water inlet branch pipes 58, the multi-way joint 57, the water inlet main pipe 55, the water outlet main pipe 56 and the water inlet joint 49, and finally enters the flow dividing chamber 53 of the flow dividing body 47, and is sprayed onto the roller brush 15 through a nozzle, two ends of the water inlet main pipe 55 are respectively communicated with a water inlet of the water pump 54 and the multi-way joint 57, two ends of the water outlet main pipe 56 are respectively communicated with a water outlet of the water pump 54 and the water inlet joint 49, an electronic water valve 60 for controlling the on-off of a water path is connected in series to the water inlet main pipe 55, and the electronic water valve 60, the water pump 54 and the switching valve 59 are all fixed on the upper surface of the lower shell unit 20.

Referring to fig. 14-17, the bottom of the clean water tank 18 is provided with a plurality of drainage holes 61 and a water filling port 181, the top of the clean water tank 18 is provided with a duckbill valve 62 for air to enter the tank, negative pressure is generated in the tank of the clean water tank 18 during drainage, external air can enter the clean water tank 18 through the duckbill valve 62 to balance the internal and external pressures of the tank, and liquid in the clean water tank 18 does not flow out of the tank through the duckbill valve 62, a sealing cover 182 for sealing the water filling port 181 is screwed on the water filling port 181, a water purifier 183 located inside the clean water tank 18 is connected to the sealing cover 182 through a screw thread, the water purifier 183 can be taken out from the water filling port 181 along with the sealing cover 182, the water purifier 183 is filled with cation exchange resin with alkalinity, so as to neutralize acidity of clean water and prevent scaling of the inner wall of the clean water tank 18, the drainage holes 61 are correspondingly provided with drainage valves 63, the drain valve 63 comprises a valve body 64 and a valve core 65, the valve body 64 is fixed inside the clean water tank 18, the top of the valve body 64 is provided with a hollow structure for water to pass through, a valve rod 66 which vertically slides upwards and penetrates through the valve body 64 is fixed on the valve core 65, a compression spring 67 which hermetically compresses the corresponding valve core 65 in the corresponding drain hole 61 is sleeved on the valve rod 66 and is used for automatically sealing the drain hole 61, a plurality of clamping feet 68 and telescopic positioning heads 69 are arranged outside the clean water tank 18, the clamping feet 68 and the positioning heads 69 are matched and extend into clamping grooves 70 arranged on the upper shell single body 19 so as to match and fix the clean water tank 18 in concave surfaces 192 arranged on the upper surface of the upper shell single body 19, the positioning heads 69 are manually buckled to be separated from the corresponding clamping grooves 70, the clean water tank 18 can be taken down from the corresponding concave surfaces 192, and the structures of the positioning heads 69 and the clamping feet 68 and the corresponding clamping grooves 70 belong to the technology known by the skilled person in the art, the detailed description is omitted, the drain holes 61 in the bottom of the clean water tank 18 correspond to the switching valves 59 one by one, the switching valves 59 are provided with push rods 71 vertically and upwardly penetrating through holes in the bottom of the upper shell single body 19, the push rods 71 jack up the corresponding valve cores 65 upwardly to open the drain holes 61, the through holes in the bottom of the upper shell single body 19 are provided with flexible sealing pressure rings 72 which are tightly clamped between the periphery of the corresponding drain holes 61 and the switching valves 59 in a sealing manner, the drain holes 61 are communicated with the inner cavities of the switching valves 59 in a sealing manner, and liquid in the clean water tank 18 enters the corresponding connected water inlet branch pipes 58 through the drain holes 61 and the cavities of the switching valves 59.

Referring to fig. 1 to 4, the negative pressure pipeline includes a first air pipe 73 and a connection hose 74, the first air pipe 73 is clamped and fixed between the upper shell single body 19 and the lower shell single body 20, two ends of the first air pipe 73 are respectively connected with the negative pressure suction hole 44 and a corresponding end of the connection hose 74 in a sealing manner, the other end of the connection hose 74 is connected at a lower end of a pipe joint 75 in a sealing manner, the pipe joint 75 is fixed inside an adapter 76, the adapter 76 is horizontally hinged at a rear end of the main shell, a lower end of the main body 11 is fixed outside the adapter 76, a lower end of a second air pipe 77 arranged inside the main body 11 is connected at an upper end of the pipe joint 75 in a sealing manner, and an upper port of the second air pipe 77 is connected with a flexible sealing adapter ring 78.

Referring to fig. 1-6, the bottom and the top of the waste water tank 13 are respectively provided with a positioning pad 79 and a retractable latch 80, the positioning pad 79 and the latch 80 respectively extend into a supporting groove 801 and a limiting groove 81 provided on the main body 11 in a matching manner so as to match and fix the waste water tank 13 in a mounting cavity 82 provided on the main body 11, the latch 80 is manually buckled to separate from the corresponding limiting groove 81, the waste water tank 13 can be taken down from the corresponding mounting cavity 82, the structure of the latch 80 and the limiting groove 81 is a technique known to those skilled in the art, and will not be described herein again, a vertical check pipe 83 is fixed on the bottom surface inside the waste water tank 13 to prevent the liquid entering the waste water tank 13 from flowing back, the lower port of the check pipe 83 penetrates through the bottom of the waste water tank 13, and the sealing ring 78 is tightly sealed around the lower port of the check pipe 83, the check pipe 83 is in sealed communication with the second air pipe 77, the upper end of the check pipe 83 is provided with a lateral opening 84 communicated with the inside of the sewage tank 13, the lateral opening 84 is opposite to a flow isolating plate 85 fixed on the top surface of the inside of the sewage tank 13, the air circulation path is prolonged, so that liquid carried in the air enters and is collected in the sewage tank 13 as much as possible, the liquid entering the air suction device 16 is reduced, the top of the sewage tank 13 is also provided with an exhaust hole 86, the inside of the sewage tank 13 is also provided with a floater 87 for plugging the exhaust hole 86, the floater 87 is vertically and slidably arranged on an oblong hole 90 of a fixed frame 89 through a guide block 88 arranged on the side surface, and after the liquid in the sewage tank 13 is collected to a certain volume, the floater 87 automatically moves upwards under the buoyancy of the liquid and plugs the exhaust hole 86 of the sewage tank 13, so as to indirectly indicate that the cleaner needs to be stopped and the sewage tank 13 needs to be cleaned, the fixing frame 89 is fixed on the top surface inside the sewage tank 13, the side surface of the fixing frame 89 is further provided with an air inlet window 91, air enters the air extraction device 16 through the air inlet window 91 and the air outlet hole 86, the outer end of the air outlet hole 86 is further provided with a connecting cylinder 92 fixed at the top of the sewage tank 13, a filter body 93 is arranged in the connecting cylinder 92, impurities and moisture carried in the air are filtered through the filter body 93, the impurities and the moisture are prevented from entering the air extraction device 16, the top edge of the connecting cylinder 92 is provided with a circle of sealing gasket 94, and the sealing gasket 94 is tightly sealed and pressed around the air inlet of the air extraction device 16.

Referring to fig. 1-6, the air extractor 16 is disposed at the upper end of the main body 11, an air outlet 96 of the air extractor is communicated with the outside through a gap between the sewage tank 13 and the main body 11, the main body 11 is further provided with a battery pack 14, the battery pack 14 is detachably mounted, the battery pack 14 supplies power for normal operation of the whole vacuum cleaner, and the operating handle 12 is fixed at the upper end of the main body 11.

The use process of the utility model is as follows:

taking the clean water tank 18 off the ground brush component, detaching the sealing cover 182 from the water filling port 181 of the clean water tank 18, filling clean water or cleaning liquid into the clean water tank 18 through the water filling port 181, plugging the water filling port 181 through the sealing cover 182, correspondingly mounting the clean water tank 18 on the ground brush component, after the clean water tank 18 is mounted, jacking the valve core 65 on the drainage hole 61 of the clean water tank 18 by the ejector rod 71 on the switching valve 59 against the elastic force of the compression spring 67 to jack up the valve core 65 on the drainage hole 61 of the clean water tank 18 and open the drainage hole 61, enabling the liquid in the clean water tank 18 to enter the inner cavity of the switching valve 59 and the corresponding water inlet branch pipe 58 through the drainage hole 61, starting the water pump 54 and opening the electronic water valve 60, simultaneously starting the driving motor 29 and the air extractor 16, and enabling the liquid in the clean water tank 18 to sequentially pass through the drainage hole 61, the inner cavity of the switching valve 59, the water inlet branch pipe 58, the multi-way joint 57 and the water inlet main pipe 55 under the action of the water pump 54, A water pump 54, a drainage header pipe 56 and a water inlet joint 49, which are used for injecting liquid into a diversion chamber 53 of a diversion main body 47, wherein the liquid in the diversion chamber 53 is redistributed to each nozzle, the liquid is sprayed on the whole rolling brush 15 through the nozzle, meanwhile, a driving motor 29 drives a spline head 36 to rotate through a first synchronous belt 34 and a second synchronous belt 35, the spline head 36 drives the rolling brush 15 to rotate synchronously, the whole dust collector is manually pushed to move on a surface to be cleaned, the rolling brush 15 soaked by the liquid brushes the surface to be cleaned in a rolling way, a scraping strip 46 is tightly attached to the ground, in the rotation process of the rolling brush 15, the sewage and the garbage on the surface to be cleaned are stirred into a diversion channel 45 through a flat suction port 461, under the action of negative pressure generated by an air extractor 16, the sewage and the garbage sequentially pass through the diversion channel 45 to enter a negative pressure suction hole 44 and then sequentially pass through a first air pipe 73 and a connecting hose 74, The second air pipe 77 and the check pipe 83 enter the sewage tank 13, sewage and garbage are collected in the sewage tank 13 under the action of the self weight of the sewage and garbage, and air enters the air extraction device 16 through the air inlet window 91 and the air outlet 86 and is finally exhausted to the external atmosphere through the air outlet 96 of the air extraction device and the gap between the sewage tank 13 and the main body 11.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. A wet and dry vacuum cleaner for enhancing corner cleaning, comprising:

2. The dual-purpose vacuum cleaner for both dry and wet use to increase the cleaning ability of corners as claimed in claim 1, wherein the main housing includes an upper housing single body and a lower housing single body which are matched and fastened together, the lower surface of the lower housing single body is provided with a plurality of front rollers which are coaxially and rotatably installed, the rear end of the main housing is provided with a plurality of rear rollers which are coaxially and rotatably installed, the rolling brush includes a cylindrical shaft barrel and a brush body which is fixed on the outer circumferential surface of the shaft barrel, the two ends of the shaft barrel are respectively plugged with a plug which is fixed with the shaft barrel, the outer end of one plug is fixed with a bearing which is coaxial with the shaft barrel, the inner ring of the bearing is fixed with the corresponding plug, the outer end of the other plug is provided with a spline groove, the two sides of the main housing are respectively provided with a driving mechanism and a supporting end cover, the rolling brush is clamped and installed between the supporting end cover and the driving mechanism, and the outer ring of the upper bearing of the rolling brush is supported in a positioning ring which is arranged on the supporting end cover in a matching manner, the spline head arranged on the driving mechanism is matched with and extends into the spline groove at the end part of the rolling brush and drives the rolling brush to synchronously rotate, and an arc-shaped transparent protective plate positioned above the rolling brush is fixed on the upper shell monomer.

3. The dust collector of claim 2, wherein the driving mechanism comprises a driving motor, a supporting housing and a speed-changing assembly installed in the supporting housing, the speed-changing assembly comprises a driving pulley, an intermediate pulley and a driven pulley rotatably installed in the supporting housing, the supporting housing is clamped and fixed between the upper shell monomer and the lower shell monomer, the driving pulley is coaxially fixed with an output shaft of the driving motor, the driving motor is fixed outside the supporting housing, a first synchronous belt with belt drive is connected between the driving pulley and the intermediate pulley, a second synchronous belt with belt drive is connected between the driven pulley and the intermediate pulley, a spline head which is located outside the supporting housing and extends towards the direction of the supporting end cover is coaxially fixed on the driven pulley, the spline head is matched with and extends into a spline groove at the end part of the rolling brush, the driving motor drives the spline head to rotate through the first synchronous belt and the second synchronous belt, and the spline head drives the rolling brush to synchronously rotate.

4. The vacuum cleaner as claimed in claim 2, wherein a positioning ring extending toward the spline head is fixed on a side surface of the supporting end cap, an installation body is fixed on the supporting end cap, a plurality of positioning pins and positioning fasteners extending and retracting simultaneously are provided on the installation body, the positioning fasteners and the positioning pins respectively extend into and are positioned in the fastening grooves and the positioning grooves provided on the decorative cover, so as to fix the installation body on the decorative cover, a driving member for driving the positioning pins and the positioning fasteners to move synchronously is provided inside the installation body, the positioning fasteners are fixed on the driving member, a supporting spring is provided at an inner end of the positioning pins, the driving member drives the positioning pins to retract inwards through an inclined surface, the driving member is manually pulled to enable the positioning pins and the positioning fasteners to move synchronously and separate from the corresponding positioning grooves and fastening grooves, so as to separate the mounting body from the decorative cover, which is clamped and fixed between the upper shell monomer and the lower shell monomer.

5. The vacuum cleaner as claimed in claim 2, wherein the suction hole is formed in the bottom casing, the guide channel is formed by a horn shape and is smoothly connected to both sides of the outer end of the suction hole, the guide channel covers a width corresponding to the length of the roller brush, the lower edge of the guide channel is provided with a scraping strip extending obliquely downward, a flat suction port is formed between the scraping strip and the roller brush, an elongated diversion member horizontally fixed to the bottom casing is arranged above the guide channel, the diversion member has a length corresponding to the length of the roller brush, the diversion member comprises an elongated diversion body, a cover plate and a water inlet joint, the diversion body is fixed to the bottom casing, and the brush body of the roller brush contacts with the lower edge of the diversion body, be equipped with a plurality of hole for water sprayings that distribute along its length direction in the reposition of redundant personnel main part, the play water end of hole for water sprayings is equipped with just right the loudspeaker form water conservancy diversion face that the round brush set up, and the port department that goes out the water end at the hole for water sprayings is equipped with vertical branch stream block, hole for water sprayings, water conservancy diversion face and branch stream block constitute the nozzle, the end of intaking of hole for water sprayings all switches on with the reposition of redundant personnel cavity, the reposition of redundant personnel cavity sets up in the reposition of redundant personnel main part and by the sealed cavity that forms of apron, be fixed with on the apron with the water supply connector of reposition of redundant personnel cavity intercommunication.

6. The wet and dry dust collector with the increased corner cleaning capability of claim 5, wherein the water conveying pipeline is arranged in a space between the upper shell monomer and the lower shell monomer, the water conveying pipeline comprises a water pump, a main water inlet pipe, a main water outlet pipe, a multi-way joint and a plurality of branch water inlet pipes, two ends of each branch water inlet pipe are respectively communicated with an inner cavity of a switching valve and the multi-way joint, the switching valve is communicated with the bottom of the clean water tank, two ends of the main water inlet pipe are respectively communicated with a water inlet of the water pump and the multi-way joint, two ends of the main water outlet pipe are respectively communicated with a water outlet of the water pump and the water inlet joint, an electronic water valve for controlling the water-making and water-breaking is connected in series with the main water inlet pipe, and the electronic water valve, the water pump and the switching valve are all fixed on the upper surface of the lower shell monomer.

7. The wet and dry dust collector for increasing the corner cleaning capability of claim 6, wherein the bottom of the clean water tank is provided with a plurality of water discharge holes and a water injection port, the top of the clean water tank is provided with a duckbill valve for air to enter the tank body, the water injection port is screwed with a sealing cover for sealing the water injection port, the sealing cover is connected with a water purifier positioned in the clean water tank through threads, the water discharge holes are correspondingly provided with water discharge valves, the water discharge valves comprise valve bodies and valve cores, the valve bodies are fixed in the clean water tank, the top of the valve bodies is provided with hollow structures for water to pass through, the valve cores are fixed with valve rods which vertically slide upwards and penetrate through the valve bodies, the valve rods are sleeved with compression springs for sealing and compressing the corresponding valve cores in the corresponding water discharge holes, the exterior of the clean water tank is provided with a plurality of clamping feet and telescopic positioning heads, the clamping pins and the positioning heads extend into clamping grooves formed in the upper shell monomer in a matched mode to enable the clean water tank to be fixed in a matched mode in a concave surface formed in the upper surface of the upper shell monomer, the drain holes in the bottom of the clean water tank correspond to the switching valves one to one, a push rod vertically and upwards penetrating through holes in the bottom of the upper shell monomer is arranged on the switching valves, the push rod corresponds to the valve core and is upwards jacked to open the drain holes, flexible sealing pressing rings which are tightly clamped around the corresponding drain holes and between the periphery of the corresponding drain holes and the switching valves are arranged on the through holes in the bottom of the upper shell monomer, and the drain holes are communicated with an inner cavity of the switching valves in a sealed mode.

8. The wet and dry vacuum cleaner for increasing the corner cleaning capability of claim 2, wherein the negative pressure pipeline comprises a first air pipe and a connecting hose, the first air pipe is clamped and fixed between the upper shell monomer and the lower shell monomer, two ends of the first air pipe are respectively communicated with the negative pressure suction hole and the corresponding end of the connecting hose in a sealing manner, the other end of the connecting hose is communicated with the lower end of the pipe joint in a sealing manner, the pipe joint is fixed in the adapter body, the adapter body is horizontally hinged to the rear end of the main shell, the lower end of the main body is fixed outside the adapter body, the lower end of a second air pipe arranged in the main body is communicated with the upper end of the pipe joint in a sealing manner, and an upper port of the second air pipe is connected with a flexible sealing adapter ring.

9. The dual-purpose vacuum cleaner for both dry and wet use to increase the cleaning ability of the corners of the room as claimed in claim 8, wherein the bottom and the top of the waste water tank are respectively provided with a positioning pad and a retractable pin, the positioning pad and the pin are respectively inserted into the supporting groove and the limiting groove of the main body to fix the waste water tank in the mounting cavity of the main body, the bottom of the inner part of the waste water tank is fixed with a vertical check pipe, the lower port of the check pipe penetrates through the bottom of the waste water tank, the sealing ring is tightly pressed around the lower port of the check pipe, the check pipe is tightly connected with the second air pipe, the upper end of the check pipe is provided with a lateral opening which is connected with the inner part of the waste water tank, the lateral opening is opposite to the flow partition plate fixed on the inner top of the waste water tank, the top of the waste water tank is further provided with an air vent, the inside of sewage case still is equipped with and is used for the shutoff the float in exhaust hole, the vertical slidable mounting of guide block that the float set up through its side is on the slotted hole of mount, the mount is fixed on the top surface of sewage incasement portion, the side of mount still is equipped with air intake window, the outer end in exhaust hole still is equipped with the connecting cylinder of fixing at the sewage case top, be equipped with the filtering body in the connecting cylinder, the top edge of connecting cylinder is equipped with the round sealed pad, sealed pad is sealed to compress tightly around air exhaust device air inlet.

10. The wet and dry vacuum cleaner as claimed in claim 9, wherein the suction unit is provided at an upper end of the main body, an exhaust port of the suction unit is connected to the outside through a gap between the sump and the main body, the main body is further provided with a battery pack, and the handle is fixed to the upper end of the main body.