CN217013872U - Hand-push type floor washing machine - Google Patents

Abstract

The utility model relates to a hand-push type floor washing machine, which comprises: the device comprises an upright machine body with a handle, a cleaning base, a liquid supply system with a clean water tank and a dirty liquid recovery system with a dirty water tank, a suction motor and a water suction rake; the hand-push type floor washing machine has a working state and a storage state; the cleaning base includes: the water absorption rake is arranged on the base shell, the bottom of the water absorption rake faces the ground when the hand-push type floor washing machine is in a working state, and the front of the water absorption rake is supported on the ground when the hand-push type floor washing machine is in a storage state; at least one cleaning brush tray; and a pair of multi-function wheels disposed at the top portion, the pair of multi-function wheels being configured to be overturnable with respect to the base housing and having a bump-preventing position at least partially projecting outwardly with respect to the first and second side portions, respectively, when the hand propelled floor washing machine is in an operating state and a supporting position for supporting the front portion on the ground surface together with the hand propelled floor washing machine when the hand propelled floor washing machine is in a storage state.

Description

Hand-push type floor washing machine

Technical Field

The utility model relates to the field of cleaning equipment, in particular to a hand-push type floor washing machine.

Background

The hand-push type floor washing machine is a common cleaning device and is suitable for various occasions such as markets, hospitals, offices and the like. A hand-push type floor washing machine generally includes a cleaning base movable on a floor, a cleaning brush plate for cleaning the floor, and a suction rake for sucking contaminated water from the floor. Because the hand-push type floor cleaning machine has heavier mass and larger inertia, the hand-push type floor cleaning machine is easy to collide with a wall body or a table body and the like in the moving process, so that the cleaning base of the floor cleaning machine is easy to damage, even the cleaning base breaks down, and the service life of the cleaning base is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the related technical problem that the floor cleaning machine is easy to collide with a wall body or a table body and be damaged in the moving process, the utility model aims to provide the hand-push floor cleaning machine with an anti-collision function.

In order to achieve the above object, the present invention provides the following technical solutions: a hand propelled floor scrubber comprising: the device comprises an upright machine body with a handle, a cleaning base rotatably connected to the lower part of the upright machine body, a liquid supply system with a clean water tank and a dirty liquid recovery system with a dirty water tank, a suction motor and a water suction rake; hand propelled floor cleaning machine operating condition and storage state, clean base include:

the water absorption rake is arranged on the base shell, the bottom part faces the ground when the hand-push type floor washing machine is in a working state, and the front part is supported on the ground when the hand-push type floor washing machine is in a storage state;

at least one cleaning brush tray rotatably disposed on the bottom portion, the at least one cleaning brush tray being located on a front side of the suction rake, the at least one cleaning brush tray facing the ground when the hand propelled floor washing machine is in an operating state and being located away from the ground when the hand propelled floor washing machine is in a storage state; and

a pair of utility wheels disposed at the top portion, the pair of utility wheels configured to be flipped relative to the base housing and having a bump-resistant position projecting outwardly at least partially relative to the first and second side portions, respectively, when the hand propelled floor washing machine is in an operating condition and a support position for supporting the front portion on a floor surface in combination with the floor surface when the hand propelled floor washing machine is in a storage condition.

In the above technical solution, preferably, each of the multifunctional wheels defines a rotation axis, and when the multifunctional wheel is located at the collision avoidance position, the rotation axis forms an included angle of 80 ° to 90 ° with the ground; when the multifunctional wheel is positioned at the supporting position, the corresponding rotating axis line forms an included angle of 0-10 degrees with the ground.

In the above technical solution, preferably, the cleaning base further includes: the multifunctional wheel comprises a pair of overturning assemblies, wherein the pair of overturning assemblies are oppositely arranged left and right, each overturning assembly comprises a mounting piece fixedly connected to the top, an overturning piece capable of overturning relative to the mounting piece and a hinge shaft positioned between the mounting piece and the overturning piece, and the multifunctional wheel is rotatably connected to the corresponding overturning piece.

Among the above-mentioned technical scheme, preferably, upright organism including be located the connector of lower part, clean base include fixed connection in the connecting seat at top, the connecting seat with the connector articulated.

In the above technical solution, preferably, the liquid supply system further includes: the cleaning brush comprises a cleaning water hose, wherein the cleaning water tank is detachably arranged on the vertical machine body, and the head end and the tail end of the cleaning water hose are respectively communicated with the cleaning water tank and the at least one cleaning brush disk in a fluid mode.

In the above technical solution, preferably, the contaminated liquid recovery system further includes: the sewage tank is detachably arranged on the vertical machine body, the suction motor is arranged at the cleaning base, the head end and the tail end of the sewage hose are respectively and fluidly communicated with the sewage tank and the water suction rake, and the head end and the tail end of the exhaust pipe are respectively and fluidly communicated with the sewage tank and the suction motor.

In the above technical solution, it is further preferable that the sewage tank is provided with a sewage inlet pipe extending in an up-down direction, a lower end portion of the sewage inlet pipe is in fluid communication with the sewage hose, and an upper end portion of the sewage inlet pipe extends into an inner side of the sewage tank.

In the above technical solution, preferably, the cleaning base further includes: the at least one brush disc motor is in transmission arrangement with the at least one cleaning brush disc to drive the at least one cleaning brush disc to rotate; and a rechargeable battery pack electrically connected to the at least one brush tray motor and the suction motor.

In the above technical solution, preferably, the hand propelled floor washing machine further includes an interlocking mechanism disposed on the upright base and the cleaning base and configured to lock the upright body and the cleaning base to each other when the hand propelled floor washing machine is in a storage state.

Compared with the prior art, the hand-push type floor washing machine provided by the utility model is provided with the multifunctional wheels, when the floor washing machine carries out cleaning operation on the upper ground, the multifunctional wheels can protrude outwards relative to the side part of the base shell, so that the anti-collision and buffering effects are achieved, and the service life of the cleaning base is prolonged.

Drawings

FIG. 1 is a schematic perspective view of a hand-propelled floor washing machine according to the present invention; wherein the hand-push type floor washing machine is in a working state, and the multifunctional wheels are in an anti-collision position;

FIG. 2 is a schematic perspective view of the hand-propelled floor washing machine shown in FIG. 1; wherein, hand propelled floor cleaning machine is located storage state, and multi-functional wheel is located the support position.

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a partial enlarged view of the area B shown in FIG. 1;

FIG. 5 is a longitudinal, front cross-sectional view of the hand propelled floor scrubber of FIG. 1;

the mark in the figure is:

100. a hand-push type floor washing machine;

1. a vertical machine body; 11. a handle; 12. a control panel; 13. a main body portion; 14. a connector;

2. cleaning the base; 21. a connecting seat; 22. a base housing; 221. a front portion; 222. a rear portion; 223. a bottom; 224. a top portion; 225. a first side portion; 226. a second side portion; 23. a rechargeable battery pack; 24. a multifunctional wheel;

25. a turnover assembly; 251. a mounting member; 252. a hinge shaft; 253. a turnover piece; 26. a brush disc motor;

3. cleaning the brush disc;

41. a clear water tank; 42. a clean water hose;

51. water absorption raking; 511. a front adhesive tape; 512. a rear adhesive tape; 513. a top cover; 514. a front wall panel; 515. a rear wall panel; 516. a water absorption space; 517. a support wheel; 518. an opening;

52. a sewage hose; 53. a suction motor; 54. a sewage tank; 541. a sewage inlet pipe; 55. an exhaust pipe;

x1, a first axis; x2, second axis; y, the rotation axis.

Detailed Description

To explain the technical content, structural features, attained objects and functions of the present invention in detail, the technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, and not all embodiments. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a detailed description of various exemplary embodiments or implementations of the utility model. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Moreover, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the particular shapes, configurations and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

Further, spatially relative terms such as "below … …," "below … …," "below … …," "below," "above … …," "above," "… …," "higher," "side" (e.g., as in "side walls"), etc., are used herein to describe one element's relationship to another (other) element as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below … …" can include both an orientation of above and below. Further, the devices may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present application, unless expressly stated or limited otherwise, the term "coupled" is to be construed broadly, e.g., "coupled" may be a fixed connection, a removable connection, or an integral part; may be directly connected or indirectly connected through an intermediate.

FIGS. 1-2 illustrate a hand propelled floor washing machine 100 provided in accordance with the present invention, the hand propelled floor washing machine 100 being capable of moving over a floor surface and performing cleaning operations. The hand-push type floor washing machine 100 includes an upright body 1, a cleaning base 2 rotatably hinged to a lower portion of the upright body 1, a liquid supply system for supplying cleaning liquid to the cleaning base 2 or a floor to be cleaned, and a soil solution recovery system for recovering soil solution on the floor. The hand propelled floor washing machine 100 has an operating condition as shown in FIG. 1 and a storage condition as shown in FIG. 2; in the working state, the hand-push type floor washing machine 100 can move along the ground to be cleaned; in the storage state, the hand propelled floor washing machine 100 is able to be supported on the ground.

The upright body 1 extends in an up-down direction and includes a handle 11 at an upper portion, a control panel 12 for controlling the operation of the hand-propelled floor washing machine 100, a coupling head 14 at a lower portion, and a main body portion 13 between the control panel 12 and the coupling head 14. The handle 11 is adapted to be held by both hands of a user, which arrangement facilitates the user pushing the scrubber 100 across the floor. The control panel 12 is adjacent to the handle 11 and is in signal communication with various controlled components of the hand propelled floor washing machine 100. In this example, the control panel 12 is of a push button type, and in other embodiments, the control panel may be configured as a switch, a knob, or a touch screen. The connection head 14 is rotatably connected to the main body 13, and the main body 13 is rotatable left and right about a first axis X1 extending in the front-rear direction with respect to the connection head 14.

The cleaning chassis 2 has a generally square chassis housing 22, the chassis housing 22 having a front 221, a rear 222, a bottom 223, a top 224, a first side 225 and a second side 226. When the hand-propelled floor washing machine 100 is in the operating state, the bottom 223 faces downward and faces the floor to be cleaned; while the front portion 221 faces downward and is supported on the floor surface to be cleaned when the hand propelled floor washing machine 100 is in a storage state.

A connecting base 21 is fixedly mounted on the top 224, the connecting base 21 is rotatably connected with the connecting head 14, and the connecting head 14 can rotate back and forth relative to the connecting base 21 around a second axial line X2 extending in the left-right direction.

The rotation setting mode among the connector 14, the connecting seat 21 and the main body part 13 can realize that the cleaning base 2 rotates in the front-back and left-right directions relative to the main body part 13 of the upright machine body 1, so that the cleaning base 2 can always keep parallel with the surface to be cleaned when cleaning operation is carried out, and a user can conveniently operate the cleaning base 2 to move back and forth and turn left and right through the handle 11.

The front portion of the bottom portion 223 is provided with a pair of rotatable cleaning brush discs 3, the top portion 224 is provided with a pair of brush disc motors 26 at upper side positions of the pair of cleaning brush discs 3, and the pair of brush disc motors 26 are respectively in transmission connection with the pair of cleaning brush discs 3 to drive the pair of cleaning brush discs 3 to rotate. When the hand-push type floor washing machine 100 is in a working state, the pair of cleaning brush discs 3 face downward and contact the ground to be cleaned; and when the hand propelled floor washing machine 100 is in the storage state, the pair of cleaning brush trays 3 is spaced apart from the floor to be cleaned.

The rear portion of the top portion 224 is provided with a rechargeable battery pack 23, and the rechargeable battery pack 23 is disposed at the rear side of the coupling socket 21 and is configured to simultaneously electrically connect various electric components of the hand propelled floor washing machine 100 to supply current thereto. In other embodiments, other numbers of cleaning brush discs and brush disc motors, such as one brush disc and one brush disc motor, or multiple brush discs and one brush disc motor, etc., may be arranged, depending on the size of the cleaning base, etc.

The front portion of the top 224 is provided with a turning assembly 25 and a pair of multifunction wheels 24 mounted on the pair of turning assemblies 25, respectively, at right and left opposite positions near the first side 225 and the second side 226. The pair of multifunction wheels 24 are each rotatable about a respective axis of rotation Y.

As shown in fig. 3, the tilting assembly 25 includes a mounting member 251 fixedly connected to the top 224, a tilting member 253 tilting up and down with respect to the mounting member 251, and a hinge shaft 252 for realizing the hinge connection of the mounting member 251 and the tilting member 253, and a pair of multi-function wheels 25 are oppositely disposed left and right and rotatably connected to the tilting member 253, respectively.

The pair of multifunction wheels 24 has a bump-resistant position (shown in fig. 1) partially projecting laterally outward relative to the first and second side portions 225 and 226, respectively, when the walk behind machine 100 is in an operating condition, and a support position (shown in fig. 2) for supporting the front portion 221 on the ground surface when the walk behind machine 100 is in a storage condition. When the pair of multifunctional wheels 24 is in the crashworthy position, the pair of rotation axes Y forms an angle of approximately 80-90 degrees with the ground; when the pair of multifunction wheels 24 is in the support position, the pair of rotation axes Y are at an angle of approximately 0 DEG to 10 DEG to the ground.

Referring to fig. 1, 2 and 5, the liquid supply system comprises a clean water tank 41 for supplying cleaning liquid, a dispensing nozzle (not shown) arranged on the cleaning base 2, and a clean water hose 42 arranged between the upright body 1 and the cleaning base 2. The clean water tank 41 is detachably mounted to the upright body 1 to facilitate a user to add clean water thereto. The head and the tail of the clean water hose 42 are respectively connected to the clean water tank 41 and a liquid dispensing nozzle, and the liquid dispensing nozzle is located on the upper side of the pair of cleaning brush trays 3 and is configured to dispense the cleaning liquid to the pair of cleaning brush trays 3. A clean water pump (not shown) is also arranged on the liquid supply system and connected with the clean water hose 42, the clean water pump is used for providing flowing power of fluid to convey clean water in the clean water tank 41 to the liquid distribution nozzle, and the clean water pump can be controlled by a button at the control panel 12.

The dirty liquid recovery system includes a suction scoop 51 positioned at the rear side of the pair of cleaning brush trays 3, a dirty water tank 54 capable of receiving and storing dirty water, a dirty water hose 52 provided between the upright body 1 and the cleaning base 2, a suction motor 53, and an exhaust pipe 55 fluidly connecting the dirty water tank 54 and the suction motor.

Referring to fig. 4, the suction gripper 51 includes a front adhesive strip 511, a rear adhesive strip 512 located on the rear side of the front adhesive strip 511 and rearward opposite to the front adhesive strip 511, a front wall plate 514, a rear wall plate 515, and a top cover 513. Front strip 511 is secured between front wall panel 514 and top cover 513 and rear strip 512 is secured between rear wall panel 515 and top cover 513. The front strip 511, the rear strip 512 and the top cover 513 together define a lower open suction space 516. The front adhesive strip 511 and the rear adhesive strip 512 are both curved. A plurality of supporting wheels 517 are fixedly connected to the rear wall plate 515, and the supporting wheels 517 can help the suction tower 51 move on the surface to be cleaned.

Continuing with fig. 5, the suction space 516 has an opening 518 in the top cover 513, and the front and rear ends of the waste hose 52 are respectively connected to the waste tank 54 and the opening 51, and the waste tank 54 is in fluid communication with the suction space 516. The suction motor 53 is configured to be in fluid communication with the sewage hose 52 and capable of creating a negative pressure in the suction space to suck the sewage and transfer the sucked sewage into the sewage tank 54. Wherein, the sewage hose 52, the exhaust pipe 55 and the clean water hose 42 are partially exposed.

The sewage tank 54 is detachably mounted to the main body portion 13 of the upright body 1 and is internally provided with a sewage inlet pipe 541 extending in the up-down direction, and both side openings of the sewage inlet pipe 541 are formed at the upper portion of the sewage tank 54 and the bottom of the housing of the sewage tank 54, respectively, so that the sewage in the sewage tank 54 is prevented from flowing out of the sewage tank 54 when the sewage is dumped or the suction motor 53 stops.

The hand propelled floor washing machine 100 further comprises an interlocking mechanism (not shown in the figures) to be provided on the upright base and the cleaning base and configured for interlocking the upright body 1 and the cleaning base 2 when the hand propelled floor washing machine 100 is in a storage state. The interlocking mechanism can be a mechanical locking structure or a magnetic structure, and the interlocking mechanism only needs to lock the upright machine body 1 and the cleaning base 2 together and also can unlock the locking.

When the hand-push type floor washing machine 100 is in a working state and performs cleaning operation, a user pushes the cleaning base 2 to move on the ground, the pair of brush disc motors 26 drive the pair of cleaning brush discs 3 to rotate and rub against the ground, and clean water in the clean water tank 41 is distributed onto the pair of cleaning brush discs 3 through the clean water hose 42 under the action of the clean water pump. The cleaning brush plate 3 cleans the floor with clean water. Thereafter, under the action of the suction motor 53, the sewage communicating air on the ground is sucked by the suction scoop 51 and reaches the sewage tank 54 through the sewage hose 52, the sewage stays in the sewage tank 54, and the air enters the suction motor 53 through the exhaust pipe 55 and is discharged to the outside; the pair of multifunctional wheels 24 respectively protrude laterally outward relative to the first side portion 225 and the second side portion 226, and when the cleaning base 2 encounters an obstacle on the left and right sides during movement, the pair of multifunctional wheels 24 will contact the obstacle first, so that the collision of the base housing or the cleaning brush tray with the obstacle is avoided, and the anti-collision effect is achieved.

When the hand-push type floor washing machine 100 is in a storage state, the upright machine body 1 and the cleaning base 2 are locked to each other. The front portion 224 faces downward, the pair of cleaning brush disks 3 is away from the floor, and the pair of multifunction wheels 244 supports the cleaning base 2 on the floor together with the front portion 224; the user may also move the 4 hand scrubber 100 at will over the ground using the pair of multifunction wheels 244 as the moving wheels to move the hand scrubber 100 to a target location.

The foregoing shows and describes the general principles, principal features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the foregoing description only for the purpose of illustrating the principles of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims, specification, and equivalents thereof.

Claims (9)

1. A hand propelled floor washer, movable over a floor surface and comprising: an upright body (1) with a handle (11), a cleaning base (2) rotatably connected to the lower part of the upright body (1), a liquid supply system with a clean water tank (41) and a dirty liquid recovery system with a dirty water tank (54), a suction motor (53) and a water suction rake (51); hand propelled floor scrubber (100) operating condition and storage state, characterized in that, clean base (2) include:

a base housing (22) having a front portion (221), a rear portion (222), a bottom portion (223), a top portion (224), a first side portion (225) and a second side portion (226), the suction rake (51) being mounted to the base housing (22), the bottom portion (223) facing the ground when the hand propelled floor washing machine (100) is in an operational state, the front portion (221) being supported on the ground when the hand propelled floor washing machine (100) is in a storage state;

at least one cleaning brush tray (3) rotatably disposed at the bottom (223), the at least one cleaning brush tray (3) being located at a front side of the suction rake (51), the at least one cleaning brush tray (3) facing a floor surface when the hand-push type floor washing machine (100) is in an operating state and being located away from the floor surface when the hand-push type floor washing machine (100) is in a storage state; and

a pair of multi-function wheels (24) disposed at the top portion (224), the pair of multi-function wheels (24) being configured to be reversible relative to the base housing (22) and having a bump-resistant position projecting laterally outwardly at least partially relative to the first and second side portions (225, 226), respectively, when the hand propelled floor washing machine (100) is in an operating condition and a support position for supporting the front portion (221) on a floor surface in conjunction with the hand propelled floor washing machine (100) when the hand propelled floor washing machine (100) is in a storage condition.

2. The hand propelled floor washing machine as recited in claim 1, characterized in that each of said multi-function wheels (24) defines a rotational axis (Y); when the multifunctional wheel (24) is positioned at the collision-proof position, the corresponding rotating axis (Y) forms an included angle of 80-90 degrees with the ground; when the multifunctional wheel (24) is positioned at the supporting position, the corresponding rotating axis line (Y) forms an included angle of 0-10 degrees with the ground.

3. The hand propelled floor washing machine according to claim 1, characterized in that the cleaning base (2) further comprises: a pair of turning assemblies (25), the turning assemblies (25) are oppositely arranged left and right, each turning assembly (25) comprises a mounting part (251) fixedly connected to the top part (224), a turning part (253) capable of turning up and down relative to the mounting part (251), and a hinge shaft (252) positioned between the mounting part (251) and the turning part (253), and the multifunctional wheel (24) is rotatably connected to the corresponding turning part (253).

4. The hand propelled floor washing machine according to claim 1, characterized in that the upright body (1) comprises a lower connecting head (14), and the cleaning base (2) comprises a connecting base (21) fixedly connected to the top part (224), the connecting base (21) being hinged to the connecting head (14).

5. The hand propelled floor scrubber of claim 1, wherein the liquid supply system further comprises: the cleaning brush comprises a clean water hose (42), wherein the clean water tank (41) is detachably arranged on the vertical machine body (1), and the head end and the tail end of the clean water hose (42) are respectively communicated with the clean water tank (41) and the at least one cleaning brush disc (3) through fluid.

6. The hand propelled floor washing machine of claim 1, wherein the soil solution recovery system further comprises: the sewage treatment device comprises a sewage hose (52) and an exhaust pipe (55), wherein a sewage tank (54) is detachably mounted on the vertical machine body (1), a suction motor (53) is arranged at the cleaning base (2), the head end and the tail end of the sewage hose (52) are respectively in fluid communication with the sewage tank (54) and the water suction rake (51), and the head end and the tail end of the exhaust pipe (55) are respectively in fluid communication with the sewage tank (54) and the suction motor (53).

7. The hand propelled floor washing machine according to claim 6, wherein the dirt collection tank (54) is provided with a dirt inlet pipe (541) extending in an up-and-down direction, a lower end of the dirt inlet pipe (541) is in fluid communication with the dirt collection hose (52), and an upper end of the dirt inlet pipe (541) extends into the inside of the dirt collection tank (54).

8. The hand propelled floor washing machine according to claim 6, characterized in that the cleaning base (2) further comprises: at least one brush plate motor (26), wherein the at least one brush plate motor (26) is in transmission arrangement with the at least one cleaning brush plate (3) to drive the at least one cleaning brush plate (3) to rotate; and a rechargeable battery pack (23) electrically connected to the at least one brush motor (26) and the suction motor (53).

9. The hand propelled floor washing machine according to claim 1, wherein the hand propelled floor washing machine (100) further comprises an interlocking mechanism disposed on the upright machine body (1) and the cleaning base (2) and configured to interlock the upright machine body (1) and the cleaning base (2) when the hand propelled floor washing machine (100) is in a storage position.

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