CN112137533A - Ground cleaning device - Google Patents

Abstract

The invention discloses a floor cleaning device which comprises a water tank assembly, a water quantity control assembly, a mop cleaning assembly, a pedal linkage assembly and a water stopping assembly, wherein the mop cleaning assembly is arranged on the outer side of one end of the water tank assembly, the water quantity control assembly and the pedal linkage assembly are symmetrically arranged on two sides of the upper part of the other end of the water tank assembly, the water stopping assembly is communicated with and arranged in the water tank assembly, the water quantity control assembly controls and adjusts the water releasing quantity, the mop cleaning assembly is in sliding contact with the cleaning water tank assembly, the pedal linkage assembly is used for stepping on and pressing to unlock the releasing water tank assembly, and the water stopping assembly automatically seals water in the water tank assembly. The floor cleaning device is comfortable and accurate in water control, convenient to clean and unlock, and has an automatic water stopping function, and water in the water tank assembly cannot overflow to cause pollution.

Description

Ground cleaning device

Technical Field

The invention relates to the field of cleaning tools, in particular to a floor cleaning device.

Background

With the continuous development of automatic production and productivity, household appliances have great progress from electrical appliances and household tools, various automatic tools and articles exist in various fields in people's lives, and when the articles or tools have automatic components, the labor cost and time are saved, the purpose of fully optimizing people's lives and production is achieved.

At present, when the mop cloth in the household cleaning product is used, a user usually uses the mop cloth to absorb water actively and wipes the mop cloth after absorbing water on the ground to achieve the cleaning effect, but the mode is not labor-saving, and the user is required to hold the mop cloth to a place with water to absorb water again and wet the mop cloth component every time, so that the mop cloth is inconvenient. Meanwhile, when the mop is cleaned, the mop is usually manually disassembled from the mop shell or the frame, and the disassembled mop is cleaned, so that the hands of a user cannot be liberated, and the technical effect of quickly and conveniently cleaning by using a cleaning tool cannot be achieved.

In addition, when the floor cleaning device is detached and installed, the floor cleaning device is often detached from the housing through manual operation, however, such operation is too laborious, and the user still needs to bend down or even crouch down to operate, which reduces the user experience.

In addition, when the existing floor cleaning device is used for mopping the floor, a user is often required to actively mount or dismount the water tank, otherwise, the stored water in the water tank excessively infiltrates the mop of the floor cleaning device, so that a large amount of water overflows, the floor is polluted, and even the wooden floor is damaged.

In view of the above problems, no effective solution has been proposed.

Disclosure of Invention

The embodiment of the invention provides a floor cleaning device, which at least solves the technical problem that the water in a water tank of a mop module cannot be automatically stopped in the prior art.

According to an aspect of an embodiment of the present invention, there is provided a floor cleaning device including a water tank assembly including a water tank and a mop at a bottom of the water tank; further comprising: the water quantity control assembly comprises a knob and a water control disc; the water passing component comprises a water tank hole, a water outlet hole and a water passing channel, the water tank hole is communicated with the inside of the water tank, the water outlet hole is communicated with the outside and used for supplying water to the mop, and the water passing channel is communicated with the water tank hole and the water outlet hole; the air inlet assembly comprises an air inlet hole formed in the bottom of the water tank and an air inlet pipeline extending from the air inlet hole to the upper portion of the water tank.

Furthermore, the knob is connected with the water control disc through a knob rod, and the knob is rotated to control the water quantity entering the water control hole of the water control disc from the inside of the water tank through the water tank hole.

Further, the water passing channel is a hollow channel arranged at the bottom of the water tank, and comprises a starting portion matched with the water control disc, an end portion corresponding to the water outlet hole, and a bent passage located between the starting portion and the end portion.

Further, when the floor cleaning unit is suspended, the air intake aperture is located between the initial portion and the end portion, and the end portion is higher than the initial portion.

Furthermore, a water tank bottom cover is arranged between the water tank and the mop, the water passing channel is formed on the surface of the water tank bottom cover combined with the bottom surface of the water tank, and a water outlet hole is formed in the water tank bottom cover.

Further, the floor scrubbing apparatus also includes a pedal linkage assembly for controlling the locking and unlocking of the floor scrubbing apparatus with the cleaning device.

Further, the pedal linkage assembly includes: a pedal assembly and a locking assembly; the pedal assembly includes: the pedal, the pedal inward protrusion, the rotating shaft and the rotating reset mechanism; the locking assembly includes: the locking shaft, the linkage part, the locking part and the locking shaft resetting mechanism; the pedal projection interacts with the linkage to effect locking and unlocking of the floor cleaning device and the cleaning appliance.

Further, the mop cleaning device also comprises a mop cleaning component which is clamped on the water tank, and when the mop is required to be cleaned, the mop cleaning device can be separated from the clamping state to scrape and clean the mop arranged at the bottom of the water tank.

Further, the mop cleaning assembly includes a handle for operating the mop cleaning assembly so that the scraping blade can scrape the mop along the entire length of the tank and a scraping blade.

Further, the inner diameter of the air inlet pipeline is larger than or equal to the diameter of the air inlet hole, and the tail end of the air inlet pipeline is basically abutted to the top of the inner wall of the water tank.

Further, the tail end of the air inlet pipeline forms a sawtooth shape, and the sawtooth-shaped top is basically abutted to the top of the inner wall of the water tank.

Furthermore, the air inlet pipeline and the water passing channel separate water in the water tank, and the mop absorbs water and expands to block the air inlet pipeline.

In the invention, the key spring prevents water from leaking out of the water tank hole when the flange hole is not communicated with any water tank hole, so that better sealing is kept, and simultaneously, the generated rebound acting force can provide feedback acting force for an operator, so that the user feels the touch change of a rotary gear, and better rotary operation comfort is brought; through the setting of knob steel ball, when removing the concave part to gyration storage tank lateral wall, realize the automatic locking once more of knob upper cover gear, the water transfer process is accurate controllable.

The mop washs the subassembly and holds the washing, reaches the abundant clean mop through the mop body among the reciprocal extrusion water tank set spare, can dynamically regulated second plate body and the water tank mop lower surface contact distance between side and the water tank mop simultaneously, and the dehydration is abundant simple and convenient, realizes putting both hands and carries out abluent technological effect.

Through the mode that sets up footboard axle and locking axle, adopt the tiptoe to step on and press the ground cleaning device footboard and can realize the fixed connection and the dropout release of ground cleaning device and connecting rod, solved the technical problem that needs manual dismantlement and installation ground cleaning device.

By setting the air pressure sealing effect between the water tank air inlet and the mop cloth of the ground cleaning device, the water in the water tank body can not overflow and cause pollution when the ground cleaning device is horizontally placed; when ground cleaning device is in the state of hanging, because water tank hole position is less than apopore and inlet port position, can realize hanging the stagnant water, the water in the water tank body can not spill over and cause the pollution.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is an overall schematic view of a floor cleaning unit of the present invention;

FIG. 2 is a schematic cross-sectional view of a floor cleaning unit of the present invention;

FIG. 3 is an enlarged, fragmentary schematic view of a water control assembly of a floor care appliance of the present invention;

FIG. 4 is a schematic view of a mop cleaning assembly of a floor cleaning unit of the present invention;

FIG. 5 is a schematic view in partial cross-section of a mop cleaning assembly of a floor cleaning unit of the present invention;

FIG. 6 is a cross-sectional schematic view of a pedal linkage assembly of a floor care appliance of the present invention;

figure 7 is a bottom schematic view of a water stop assembly of a floor cleaning unit of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Figures 1-7 are schematic views of a floor cleaning device according to an embodiment of the invention, and as shown, according to a specific embodiment of the invention, there is provided a floor cleaning device comprising a water tank assembly 1, said water tank assembly 1 comprising a water tank and a mop 18 at the bottom of the water tank; further comprising: the water quantity control assembly 2 comprises a knob and a water control disc; the water passing assembly comprises a water tank hole 15, a water outlet hole 54 and a water passing channel 53, wherein the water tank hole 15 is communicated with the inside of the water tank, the water outlet hole 54 is communicated with the outside and used for supplying water to the mop 18, and the water passing channel 53 is communicated with the water tank hole 15 and the water outlet hole 54;

and the air inlet assembly comprises an air inlet hole 52 arranged at the bottom of the water tank and an air inlet pipeline 51 extending from the air inlet hole 52 to the upper part of the water tank.

The knob is connected with the water control disc through a knob rod 23, and the knob is rotated to control the water quantity entering the water control hole 24 of the water control disc from the inside of the water tank through the water tank hole 15.

The water passage 53 is a hollow passage provided at the bottom of the water tank, and the water passage 53 includes a starting portion engaged with the water control panel, an end portion corresponding to the water outlet hole 54, and a curved passage between the starting portion and the end portion.

When the floor cleaning unit is suspended, the air intake 52 is located between the initial portion and the end portion, with the end portion being higher than the initial portion.

A water tank bottom cover 13 is arranged between the water tank and the mop 18, the water passing channel 53 is formed on the surface of the water tank bottom cover 13 combined with the bottom surface of the water tank, and a water outlet hole 54 is arranged on the water tank bottom cover 13.

The floor scrubbing apparatus further includes a pedal linkage assembly 4 for controlling locking and unlocking of the floor scrubbing apparatus with the cleaning appliance.

The pedal linkage assembly 4 includes: a pedal 41 assembly and a locking assembly; the pedal 41 assembly includes: a pedal 41, a pedal inward protrusion 46, a rotating shaft 42, a rotation reset mechanism; the locking assembly includes: a lock shaft 43, a linkage part 44, a lock part 45, and a lock shaft 43 reset mechanism; the step inner protrusion 46 interacts with the linkage 44 to effect locking and unlocking of the floor cleaning unit to the cleaning appliance.

The cleaning device also comprises a mop cloth 18 cleaning component 3 which is clamped on the water tank, and when the mop cloth 18 needs to be cleaned, the cleaning device can be separated from the clamping state and can scrape and clean the mop cloth 18 arranged at the bottom of the water tank.

The mop 18 cleaning assembly 3 comprises a handle 31 and a scraping edge 36, the handle 31 being adapted to operate the mop 18 cleaning assembly 3 such that the scraping edge 36 can scrape the mop 18 along the entire length of the tank.

The inner diameter of the air inlet pipeline 51 is larger than or equal to the diameter of the air inlet hole 52, and the tail end of the air inlet pipeline 51 is basically abutted against the top of the inner wall of the water tank.

The end of the air inlet pipeline 51 forms a saw-toothed shape, and the top of the saw-toothed shape is basically abutted against the top of the inner wall of the water tank.

The air inlet pipeline 51 and the water passing channel 53 separate water in the water tank, and the mop 18 absorbs water and expands to block the air inlet pipeline 51.

According to another embodiment of the invention, another floor cleaning device is provided, which comprises a water tank component 1, a water quantity control component 2, a mop cleaning component 3, a pedal linkage component 4 and a water stopping component, wherein the mop cleaning component 3 is arranged at the outer side of one end of the water tank component 1, the water quantity control component 2 and the pedal linkage component 4 are symmetrically arranged at two sides of the upper part of the other end of the water tank component 1, the water stopping component is communicated and arranged in the water tank component 1, the water quantity control component 2 controls and adjusts the water discharging quantity, the mop cleaning component 3 is in sliding contact with the water tank component 1, the pedal linkage component 4 is used for stepping on to unlock the water tank component 1, the water stopping component automatically seals the water in the water tank component 1, the water tank component 1 comprises an upper water tank shell 11, a lower water tank shell 12, a bottom tank cover 13 and a water tank mop 18, the upper water tank shell 11 and the, the water tank bottom cover 13 is detachably covered and mounted on the lower outer surface of the lower water tank shell 12, and the water tank mop 18 is detachably covered and mounted on the lower surface of the water tank bottom cover 13.

The water quantity control assembly 2 comprises a knob and a water control disc, and the knob is used for controlling the matching of the water control disc and the water tank hole 15 and adjusting the water quantity entering the water passing channel 53 from the water tank through the water tank hole 15. The water tank holes 15 are a plurality of holes with different sizes, the water control disc is provided with a through water control hole 24, and the water control hole 24 is controlled to be communicated with the water tank holes 15 with different sizes through rotating the water control disc so as to realize water quantity control; or, the number of the water tank holes 15 is one, the water control disc is provided with a through water control hole 24, and the size of the superposed opening of the water tank holes 15 and the water control hole 24 is adjusted by rotating the water control disc, so that water quantity control is realized.

Specifically, the water quantity control assembly 2 comprises a knob upper cover 21, a knob screw 22, a knob rod 23 and a key spring 27, the knob upper cover 21, the knob screw 22 and the knob rod 23 are sequentially arranged from top to bottom, the knob upper cover 21 is arranged on the upper surface of the water tank upper shell 11, the knob rod 23 is rotatably arranged in the water tank lower shell 12 in a penetrating mode, the knob upper cover 21 and the knob rod 23 are fixedly connected into a whole through the knob screw 22, the key spring 27 is sleeved outside the knob rod 23, and the upper end and the lower end of the key spring 27 are respectively abutted to the water tank lower support 14 in the knob upper cover 21 and the water tank lower shell 12.

The upper outer surface of the water tank upper shell 11 is partially recessed to form a rotary accommodating groove, a concave portion is formed in the side wall of the rotary accommodating groove, the knob upper cover 21 is a rotary body, steel ball holes are symmetrically formed in the side portion of the knob upper cover 21, a knob steel ball spring 26 and a knob steel ball 25 are sequentially installed in the steel ball holes from inside to outside, the knob upper cover 21 is installed in the rotary accommodating groove in an embedded mode, and the knob steel ball 25 is abutted to the concave portion of the side wall of the rotary accommodating groove.

The lower internal surface an organic whole of water tank inferior valve 12 sets up annular columnar water tank lower carriage 14, an organic whole sets up the fender ring in the water tank lower carriage 14, the drain pan of water tank inferior valve 12 is close to water tank lower carriage 14 and sets up a plurality of water tank holes 15 that link up, knob pole 23 has big end down's stairstepping column body of rod, 23 lower extreme lateral surfaces of knob pole an organic whole set up annular accuse water tray, annular accuse water tray is equipped with the accuse water hole 24 that link up, accuse water hole 24 carries out the water yield through cooperating with water tank hole 15 and regulates and control.

The mop cleaning component 3 comprises a grab handle 31, a scraping edge 36 and a sliding foot 35, wherein the grab handle 31 is arranged on the first plate body 33; the scraping edge 36 is arranged on the second plate body 34; the first plate body 33 and the second plate body 34 intersect to form an L-shaped structure, and the handle 31 and the scraping edge 36 are respectively located at the non-intersecting distal ends of the first plate body 33 and the second plate body 34 of the L-shaped structure; the runner 35 is located on the second plate 34. The scraping edge 36 is a hard rubber strip embedded at the far end of the second plate 34. The scraping blade 36 and the second plate 34 are made of the same material, and the scraping blade 36 and the second plate 34 are integrally formed. The sliding feet 35 are located on the plane of the second plate 34 and located at both ends of the scraping edge 36 in the length direction.

Specifically, the mop cleaning component 3 includes a handle 31 and a holding groove 32, the handle 31 can be clamped in the upper outer surface of the water tank upper shell 11, the handle 31 can slide along the lower surface of the water tank mop 18 in a contact manner, and the handle 31 is integrally and fixedly connected into an L shape by a first plate 33 and a second plate 34 which are perpendicular to each other.

The handle 31 containing groove is arranged on one side of the upper outer surface of the water tank upper shell 11, the handle 31 can be clamped in the handle 31 containing groove, the handle 31 containing groove is opened on one side, the handle 31 is separated from the handle 31 containing groove along the opening direction, the handle 31 containing groove is matched with the shape of the first plate body 33 of the handle 31, the two sides of the lower outer surface of the water tank lower shell 12 are provided with sliding grooves along the length direction in a penetrating manner, the two ends of one side, away from the first plate body 33, of the second plate body 34 are provided with sliding feet 35, and the.

The pedal linkage assembly 4, which is used to connect to a brushhead of a cleaning appliance, includes a locking shaft 43 and a locking portion 45, the locking portion 45 moving between a first state in which the locking portion 45 locks the brushhead and a second state in which the locking portion 45 rotates about the locking shaft 43, thereby unlocking the brushhead. The locking part 45 is arranged at one end of the brush head connecting part, the other end of the brush head connecting part is also provided with a linkage part 44, and the locking part 45 can move from the first state to the second state through the linkage part 44.

Further, the pedal linkage assembly 4 further includes a pedal 41 disposed on the upper surface of the water tank assembly, the pedal 41 is provided with a pedal inward protrusion 46 acting on the linkage portion 44, and the pedal inward protrusion 46 drives the linkage portion 44 to move through the movement of the pedal 41, so that the locking portion 45 moves from the first state to the second state. The pedal 41 has a rotation shaft 42 and a second returning means, the pedal 41 being movable from a third state to a fourth state when depressed, the second returning means being capable of returning the pedal 41 from the fourth state to the third state; the third state corresponds to the first state and the fourth state corresponds to the second state. The joint of the linkage part 44 and the pedal inward protrusion 46 is a smooth surface, and two ends of the smooth surface are provided with limit protrusions, the pedal inward protrusion 46 can slide between the limit protrusions, the sliding stroke of the pedal inward protrusion 46 between the limit protrusions is less than or equal to the length of the smooth surface, corresponds to the stroke of the locking part 45 between the first state and the second state, and corresponds to the stroke of the pedal 41 between the third state and the fourth state.

Specifically, the pedal linkage assembly 4 includes a pedal 41, a rotating shaft 42, a locking shaft 43, a linkage portion 44, a locking portion 45, and a pedal inward protrusion 46, wherein notches for accommodating linkage devices of the pedal 41 are correspondingly arranged on the upper and lower water tank shells 11 and 12, the locking shaft 43 and the pedal 41 are in linkage connection through rigid contact, and the movement direction of the pedal 41 is opposite to the locking direction of the locking shaft 43.

The locking shaft 43 is hinged between the water quantity control assembly 2 and the pedal linkage assembly 4, the axis of the locking shaft 43 is parallel to the axis of the rotating shaft 42, the pedal 41 is hinged on the upper outer surface of the upper water tank shell 11 through the rotating shaft 42, the locking shaft 43 is hinged on the upper outer surface of the lower water tank shell 12, one end of the locking shaft 43 extends towards the pedal 41 integrally to form a linkage part 44, the other end of the locking shaft 43 is far away from the pedal 41 and integrally extends to form a locking part 45, and the extending direction of the linkage part 44 and the extending direction of the locking part 45.

The water stop assembly comprises a standing water stop member and/or a hanging water stop member, the standing water stop member enables the water tank hole 15 of the water tank assembly to stop water outlet in a standing or quasi-standing state, and the hanging water stop member enables the water tank hole 15 of the water tank assembly to stop water outlet in a hanging state. The standing water stopping component comprises an air inlet pipeline 51 and an air inlet 52, the air inlet 52 is arranged on the bottom cover 13 of the water tank, water in the water tank is separated between the air inlet pipeline 51 and the water passing channel 53, and the mop 18 absorbs water and expands to block the air inlet pipeline 51, so that the water passing channel 53 stops passing water. The hanging water stop member comprises a water outlet hole 54, the water outlet hole 54 is communicated with the water tank hole 15 through the water passing channel 53, and the hanging horizontal position of the water outlet hole 54 is higher than that of the water tank hole 15. The number of the water outlet holes 54 is at least one, the water outlet holes are arranged on the water tank bottom cover 13 in a penetrating mode, and when the water tank assembly is hung, the highest point of the water passing channel 53 is higher than each of the one or more water outlet holes 54. The water passing channel 53 is provided with at least two horizontal channels and at least two vertical channels, the horizontal channels are communicated with the vertical channels, when the water tank assembly is hung, the water tank hole 15 is located in the horizontal channel at the lowest horizontal position, and the water outlet holes 54 are distributed in the horizontal channels at other horizontal positions.

Specifically, the water stopping assembly comprises an air inlet 52, an air outlet 54, a water passing channel 53 and an air inlet pipeline 51, the water passing channel 53 is formed between the water tank bottom cover 13 and the water tank lower shell 12, the air inlet pipeline 51 is communicated with the inside of the water tank main body and the water tank mop 18, the water tank bottom cover 13 is provided with at least one through water outlet 54, the lower surface of the water tank lower shell 12 is provided with a plurality of through water tank holes 15 corresponding to the position of the water quantity control assembly, the air inlet 52 is convexly arranged on the lower outer surface of the water tank lower shell 12, the horizontal positions where the air inlet 52 and the water outlet 54 are hung are higher than the horizontal positions where the water tank holes 15 are hung, the air inlet pipeline 51 is arranged in the water tank assembly 1, one end of the air inlet pipeline 51 extends downwards to be not communicated with the mop to penetrate.

The lower surface of water tank inferior valve 12 corresponds water yield control subassembly position and sets up a plurality of water tank holes 15 that link up, and the rotatable running-through of knob pole 23 is located in water tank inferior valve 12, and knob pole 23 accessible knob upper cover 21 is rotatory, and 23 lower extreme lateral surfaces of knob pole an organic whole set up annular accuse water tray, and annular accuse water tray is equipped with the accuse water hole 24 that link up, and accuse water hole 24 is through corresponding the cooperation intercommunication or closed water channel 53 and apopore 54 with water tank hole 15.

The water tank holes 15 are two, the two water tank holes 15 are circumferentially distributed along the water tank lower support 14 and respectively correspond to two different gear identification positions, the two water tank holes 15 are different in sectional area, the concave portions of the side walls of the rotary accommodating groove are symmetrically arranged and respectively arranged at the corresponding positions of the gear identifications or are arranged to be spiral grooves.

The sectional area of the water control hole 24 is larger than or equal to that of the second water tank hole 15, the inner hole of the baffle ring is smaller than the annular inner hole of the lower water tank support 14, the upper end face of the knob rod 23 is provided with a threaded hole, the upper end of the knob rod 23 penetrates through the inner hole of the baffle ring in the lower water tank support 14, and the knob screw 22 is screwed with the threaded hole of the knob rod 23.

The lower outer surface of the lower water tank shell 12 is partially concave upwards to form a water passing groove 16, the water tank bottom cover 13 is detachably mounted on the lower outer surface of the lower water tank shell 12 in a covering mode, a water passing channel is formed between the water tank bottom cover 13 and the water passing groove 16, an annular water control disc of the knob rod 23 is located in the water passing channel, and the annular water control disc can rotate and move up and down in the water passing channel.

A circular groove is arranged below the knob upper cover 21, the upper end of the key spring 27 is abutted to the circular groove below the knob upper cover 21, the lower end of the key spring 27 is abutted to a baffle ring in the water tank lower support 14, and the knob upper cover 21 and the knob rod 23 move upwards under the action of the restoring force of the key spring 27.

A water tank magic tape 17 is installed on the lower side of the water tank bottom cover 13, wherein the water tank magic tape 17 is connected with the water tank bottom cover 13 through adhesion, and the water tank mop 18 is detachably connected with the water tank bottom cover 13 through the water tank magic tape 17.

Specifically, in order to achieve the technical purpose of controlling the water release of the mop device, the knob rod 23 is provided with a stepped cylindrical rod body, the upper end of the knob rod 23 is a stepped small end, the lower end of the knob rod is a stepped large end, the sectional area of the water control hole 24 is larger than or equal to that of the second water tank hole 15, and the upper end of the knob rod 23 penetrates through an inner hole of a baffle ring in the lower water tank bracket 14.

The knob upper cover 21 rotates, so that the knob rod 23 of rigid connection rotates to control the water tray with the annular of rotatory knob rod 23 lower extreme, thereby make the accuse water hole 24 of annular accuse water tray along with rotary motion circumferential displacement, when the knob is located zero gear sign department, accuse water hole 24 does not communicate with any water tank hole 15, when the knob is located first gear sign department, accuse water hole 24 communicates with first water tank hole 15, when the knob is located second gear sign department, accuse water hole 24 communicates with second water tank hole 15.

The knob upper cover 21, the knob screw 22, the knob pole 23 set gradually from top to bottom, the knob upper cover 21 passes through the rigid connection knob pole 23 of knob screw 22, and the knob pole 23 overcoat is equipped with button spring 27, and button spring 27's mounting means can be welding or cooperation suit installation, and both ends are supported knob upper cover 21 and water tank lower carriage 14 respectively about button spring 27.

After the knob is rotated, the knob rod 23 is under the action of the restoring force of the key spring 27, the upper surface of the annular water control disc at the lower end of the knob rod 23 is quickly attached to the lower surface of the bottom shell of the lower water tank shell 12, so that when the water control holes 24 are not communicated with any water tank holes 15, water cannot leak out of the water tank holes 15, and better sealing is kept.

Meanwhile, when a user realizes the embodiment of the invention, after the knob is pressed down, the knob steel balls 25 can be separated from the concave part on the side wall of the rotary accommodating groove, the shift of the knob upper cover 21 is unlocked, the knob upper cover 21 can be randomly rotated to a corresponding shift at the moment, then the knob is loosened, the knob upper cover 21 is displaced upwards under the action of the restoring force of the key spring 27, when the knob upper cover is moved to the concave part on the side wall of the rotary accommodating groove, the knob steel balls 25 on the side part of the knob upper cover 21 are abutted against the concave part on the side wall of the rotary accommodating groove again under the action of the knob steel ball spring 26, so that the automatic locking of the shift of the knob upper cover 21 is realized.

In addition, the knob produces the effort of kick-backing and can provide the feedback effort for the operator after the rotation, lets the user feel the sense of touch change of rotatory gear, brings better rotatory operating comfort, increases the user experience effect when using the knob regulating pondage, makes the process of regulating pondage become more accurate controllable simultaneously.

It should be noted that the water tank mop 18 is connected to the bottom of the lower water tank shell 12, the water tank mop 18 is used for cleaning the ground, is a main body which acts when the water amount is released, can be made of textile, and soaks the mop component by releasing the water amount through the control device, so as to achieve the technical purpose of soaking the mop component at any time for cleaning.

Specifically, the knob upper cover 21 is a revolving body, a circular groove is arranged below the knob upper cover 21, and the knob screw 22 is rigidly embedded into the circular groove. The upside of knob upper cover 21 is installed knob decoration 28 for instruct the user to carry out the gear sign location when rotatory, above-mentioned knob decoration 28 adopts the anticorrosive duroplasts preparation to rigid connection is in knob upper cover 21. The knob upper cover 21 is a circular device, a protrusion is arranged along the vertical radius of the circle center of the knob device, and a knob decorating part 28 is arranged on the upper surface of the protrusion. Knob steel balls 25 and knob steel ball springs 26 are mounted on two sides of the knob upper cover 21 in a mode of abutting and linking with the water tank upper shell 11.

Specifically, the lateral part symmetry of knob upper cover 21 is equipped with the steel ball hole, and knob steel ball spring 26 and knob steel ball 25 are installed in proper order to the steel ball hole from interior to exterior, and knob steel ball spring 26 provides the thrust outside the hole for make knob steel ball 25 and gyration storage tank lateral wall concave part butt, steel ball hole axis perpendicular to knob screw 22 axis.

The knob steel ball 25 is a rigid sphere and is in interference fit with the concave part of the side wall of the rotary accommodating groove.

Optionally, a tank hook and loop fastener 17 is installed on the lower side of the tank bottom cover 13, wherein the tank hook and loop fastener 17 is connected to the tank bottom cover 13 by adhesion. The tank mop 18 is connected with the tank bottom cover 13 through the tank hook and loop fastener 17. In order to facilitate the installation of the mop device of the floor mopping module by a user, the bottom of the water tank is adhered with the water tank magic tape 17 through solid glue, and the mop of the floor mopping module is adhered or detached through the water tank magic tape 17.

When the handle 31 is engaged with the upper outer surface of the water tank upper shell 11, the plane of the first plate 33 is parallel to the plane of the water tank upper shell 11, and the plane of the second plate 34 is parallel to the plane of the water tank upper shell 11.

When the grip handle 31 is slid in contact with the lower surface of the tank mop 18, the distance between the contact side of the second blade 34 with the lower surface of the tank mop 18 and the tank mop 18 is variable.

A plurality of concave-convex stripes are processed on the side surface of the second plate body 34 contacting with the lower surface of the water tank mop 18, so that the sliding friction force of the second plate body 34 is increased, and the wiping and cleaning effect of the mop is improved.

The handle 31 can be rotated around the sliding foot 35 of the first plate 33, and during the rotation operation, the handle 31 is separated from the accommodating groove of the handle 31 and rotated to the lower outer surface side of the lower tank casing 12.

The end of the sliding foot 35, which is far away from the second plate body 34, is provided with a scraping edge 36, and the second plate body 34 can move towards the water tank mop 18 by compressing the scraping edge 36 through the sliding foot 35, so that the surface contact can be realized for different mop types; meanwhile, the size of the mop cloth is reduced in the mop cloth dehydration process, and the distance between the contact side surface of the second plate body 34 and the lower surface of the water tank mop 18 and the water tank mop 18 can be dynamically adjusted through the scraping blade 36, so that the repeated dehydration of the mop cloth is realized.

The runner 35 of the second plate 34 is slidable back and forth along the through direction of the slide groove 19. In order to prevent the handle 31 from falling off from the water tank body, a stop rubber plug is arranged at one end of the chute 19, which is far away from the holding groove of the handle 31. The stop rubber plug is in a rectangular shape, and one side of the stop rubber plug is fixedly bonded into the sliding groove 19 to prevent the sliding foot 35 of the grab handle 31 from sliding out of the sliding groove 19.

The holding groove 32 is formed in one side of the water tank upper shell 11 and is used for enabling a user to hold a mop more firmly during assembly, the holding groove 32 can be a downward-concave processing method or an annular handle-shaped processing method, and the specific selection of the processing method is not limited in the processing method, namely, the holding groove 32 is used for holding the mop more firmly and is used for holding the water tank main body.

The hand-holding groove 32 can be a groove-type component made of the same material as the functional panel, and is bonded or connected to the water tank component in a buckling mode, when a user needs to clean the mop, the user needs to firmly hold the whole floor cleaning device by hand, and at the moment, the technical effect of firmly holding the floor cleaning device can be achieved by holding the groove part by hand of the user according to the arrangement of the hand-holding groove 32.

Preferably, the grip recess 32 is integrally formed in the middle of the upper outer surface of the water tank upper shell 11, and the grip recess 32 is an arc-shaped recess part which is embedded in the functional panel on the front surface of the mop cloth.

The mop cloth can be common textile fabric for cleaning the ground, and is fixed in the shell through a fixing device, so that when a user uses the mop cloth component to clean the ground, the mop cloth component can clean dust or garbage on the ground. The shell can be made of metal or environment-friendly hard plastic, and the mop component is fixed in the shell through the fixing device to form an integral mopping device.

The handle 31 can be a pull rod pull type handle 31 made of environment-friendly hard plastic, and is retracted in the water tank assembly when not used at ordinary times, and when a user needs to use the handle 31 to clean the mop, the handle 31 needs to be pulled out, so that the handle 31 can be operated and the technical effect of cleaning the mop can be achieved.

In particular, in order to clean the mop device of the floor mopping module by means of the grip 31, the grip 31 can be designed for a pull-out type use, i.e. a pull-out assembly is provided at the grip 31 for pulling the grip 31 out of the mop, and the user can pull or pull the grip 31 outward or inward by force after gripping the grip 31.

Specifically, after the user pulls the handle 31 through the embodiment of the present invention, the handle 31 needs to be rotated to enable the handle 31 to be in the working state, the handle 31 cleans the mop in the working state, and the handle 31 is in a state that can be used by the user, in which the user only needs to operate the handle 31 according to the following method, so as to achieve the technical purpose of quickly cleaning the mop.

Specifically, the user can slide the handle 31 along the through direction of the chute 19 of the lower water tank shell 12 after rotating the handle 31, the user needs to hold the handle of the handle 31, and the handle 31 slides back and forth along the direction of the chute 19, so that the technical effect of fully cleaning the mop can be achieved by repeatedly squeezing the mop body in the water tank assembly. The mop cloth in the mop module can be made of textile with certain toughness.

Specifically, in order to prevent the user from being damaged by unnecessary excessive force or sliding out of the sliding slot 19 during the sliding process of the grip 31 along the sliding slot 19, a stop rubber plug is disposed on one side of the sliding slot 19 for forcing the grip 31 to stop when the user slides to a certain position, so as to inform the user that the position is the limit position, and the user should not push or pull the grip 31 again.

In the use process of the embodiment of the invention, one hand takes the mop cleaning device out of the water tank assembly, the other hand takes the holding groove 32 of the mop cleaning device, the mop is positioned at the lower side of the lower water tank shell 12, the handle 31180 degrees is turned, the handle 31 moves back and forth along the chute 19 of the water tank assembly, the handle 31 is provided with the scraping blade 36 which keeps the surface contact, the second plate body 34 can move towards the water tank mop 18 by compressing the scraping blade 36 through the sliding foot 35, so that the distance between the contact side surface of the second plate body 34 and the lower surface of the water tank mop 18 and the water tank mop 18 is dynamically adjusted for different mop types, the mop is fully dewatered, and the function of separating from two hands to clean the mop is achieved.

In addition, in order to control the good movement of the handle 31 along the rail, a stop rubber plug is designed in the chute 19.

The included angle between the extending direction of the linkage part 44 and the extending direction of the locking part 45 is theta, and theta is more than or equal to 90 degrees and less than 180 degrees.

Preferably, the angle between the extending direction of the interlocking portion 44 and the extending direction of the locking portion 45 is 120 ° < θ < 150 °.

The lower surface of the pedal 41 is integrally extended with a pedal inward protrusion 46, the surface of the linkage portion 44 of the locking shaft 43 facing the pedal 41 is provided with two limiting protrusions, and the pedal inward protrusion 46 cooperates with the two limiting protrusions to limit the stepping position and the reset position of the pedal 41.

The surface of the locking portion 45 of the locking shaft 43 remote from the pedal 41 is provided with a locking projection, and the connecting rod of the floor cleaning device has a locking groove into which the locking projection can be inserted to secure the floor cleaning device to the connecting rod.

The extended end of the locking part 45 is tapered to facilitate the insertion of the locking projection of the locking part 45 into the locking groove of the floor cleaning device connecting rod.

The hinge portion of the rotation shaft 42 and the upper tank case 11 is provided with an upper return spring providing a restoring force for making the pedal 41 upward, and the hinge portion of the locking shaft 43 and the lower tank case 12 is provided with a lower return spring providing a restoring force for making the interlocking portion 44 of the locking shaft 43 upward and the locking portion 45 downward.

The pedal 41 is provided with anti-slip grooves arranged transversely, wherein the anti-slip grooves are arranged on the upper surface of the pedal 41 in an arithmetic progression.

Specifically, the pedal 41 of the pedal linkage according to the embodiment of the present invention is used to provide a pedal position for a user, the user can unlock the floor cleaning device by pressing the pedal 41, and the user can conveniently remove and install the floor cleaning device, and the locking shaft 43 and the rotating shaft 42 may be made of wear-resistant metal materials, and are used to perform displacement processing and locking processing on the pedal 41 when the user uses the pedal 41.

Processing has sunken constant head tank in rotation axis 42 both sides, install rotation axis 42 torsional spring on the sunken constant head tank, be used for the rotation axis 42 carries out the return operation when twisting.

Sunken constant head tank has been processed to locking shaft 43 both sides, install locking shaft 43 torsional spring on the sunken constant head tank, be used for locking shaft 43 carries out the return operation when twisting.

When the user steps on the pressing plate, the pedal 41 drives the rotating shaft 42 to rotate, and then in order to perform the return action on the pedal 41, a torsion spring of the rotating shaft 42 needs to be installed on the rotating shaft 42, wherein the torsion spring can perform the automatic return action by generating a reverse torque.

The upper surface of the locking shaft 43 contacts with a rigid protrusion on the lower surface of the pedal 41 for cooperating with the pedal 41, wherein the protrusion is a triangular protrusion, the vertex of the triangular protrusion contacts with a limit protrusion of the locking shaft 43 as a contact point, and the rigid protrusion on the lower surface of the pedal 41 is a pedal inward protrusion 46 which cooperates with two limit protrusions to limit the stepping position and the reset position of the pedal 41.

In this embodiment, in order to release and unlock the locking shaft 43 when the user presses the pedal 41, a protrusion is disposed under the pedal 41, the protrusion is rigidly connected to the pedal 41 itself and fixed to the floor cleaning device through the housing, and the protrusion contacts with the locking shaft 43, that is, when the protruding portion of the pedal 41 is rotated by the external force of the pedal 41, the locking shaft 43 is driven to rotate, so as to unlock the floor cleaning device according to the pressing of the user.

Specifically, in order to prevent the user from unsuccessfully stepping on the pedal 41 due to too small friction force, in the embodiment of the present invention, the anti-slip grooves are provided at the upper side of the pedal 41, i.e. the portion of the user stepping on the pedal 41, and the number of the anti-slip grooves may be several, so long as the anti-slip function is achieved, and the number of the anti-slip grooves is not limited herein.

In addition, when the user realizes the embodiment of the invention, the toe of the user is used for stepping on the pedal 41 of the ground cleaning device, the pedal 41 moves downwards to drive the locking shaft 43 to rotate anticlockwise, the locking shaft 43 is fixedly connected with the connecting rod of the ground cleaning device by adopting the bulge of the locking part 45, when the locking shaft 43 rotates anticlockwise, the ground cleaning device is separated from the connecting rod, otherwise, the locking shaft 43 and the rotating shaft 42 are locked and assembled with the reset torsion springs, so that the pedal 41 and the locking shaft 43 can be reset conveniently.

In addition, for the whole floor cleaning device, the embodiment of the invention can realize that the user can realize the replacement and the disassembly of the water tank assembly 1 by stepping on and pressing the pedal 41 in the process of using the floor cleaning device, the manual tripping operation is not needed, and the use convenience and the operability of the user are improved.

An air inlet 52 is arranged on the lower extending end face of the air inlet pipeline 51, the air inlet pipeline 51 is in an annular column shape, one end of the air inlet pipeline 51 extends and protrudes out of the lower surface of the lower water tank shell 12, and the other end of the air inlet pipeline 51 extends and protrudes into the upper water tank shell 11.

The part of the water tank upper shell 11 corresponding to the air inlet pipeline 51 is provided with an upward concave part, the concave part is in clearance insertion fit with the extending end at the other end of the air inlet pipeline 51, and the extending end surface at the other end of the air inlet pipeline 51 is in non-contact with the bottom surface of the concave part of the water tank upper shell 11.

The extended end surface at the other end of the air inlet pipeline 51 keeps a distance smaller than 1mm with the bottom surface of the concave part of the water tank upper shell 11.

The extended end surface of the other end of the air inlet pipeline 51 keeps a distance of 0.5mm with the bottom surface of the concave part of the water tank upper shell 11.

The end face of extending on the other end of air inlet pipe 51 is equipped with open slot 55, and the open slot 55 degree of depth is less than the depressed part degree of depth for increase the area that the air got into in the water tank main part, prevent simultaneously that aquatic impurity blocks up air inlet pipe 51 or prevent that the inlet port from forming the water film in the water tank main part, open slot 55 can be for crossing the cross or set up with the mode of symmetry breach, perhaps establishes to the zigzag unsmooth, does not detail here.

The water passage 53 is arranged in the edge of the lower surface of the lower water tank shell 12, the water passage 53 can be a main path in the shape of equidistant bias corresponding to the edge of the lower surface of the lower water tank shell 12, or a plurality of main paths are further arranged inwards in the shape of equidistant bias, and the main paths are communicated through branch paths.

The water tank bottom cover 13 is provided with at least one water outlet 54 which penetrates through the water tank, the water passing tank is communicated with the water outlet 54 through a water passing channel 53, and the water passing channel 53 is provided with a horizontal main path and a vertical branch path.

The water outlet holes 54 are uniformly distributed along the main horizontal path of the water passage 53, the air inlet holes 52 are uniformly distributed corresponding to the other main horizontal path of the water passage 53, or the air inlet holes 52 and the water outlet holes 54 are located at the same horizontal position along the main horizontal path of the water passage 53.

The air intake holes 52 extend through the tank bottom cover 13 without communicating with and contact the upper surface of the tank swab 18, and the air intake holes 52 communicate with the air intake duct 51.

The plurality of intake holes 52 are communicated with the intake pipe 51 through passages with triangular cross sections, or the plurality of intake holes 52 are respectively communicated with the intake pipe 51.

The lower outer surface of the lower water tank shell 12 is partially concave upwards to form a water passing groove, and the water tank bottom cover 13 is concave downwards corresponding to the position of the water passing groove to form a bottom cover water passing groove, so that the sectional area of the water passing channel 53 is increased, and the water discharge is improved.

The lower surface of the lower water tank shell 12 is provided with a plurality of through water tank holes 15 corresponding to the position of the water quantity control assembly, and the water outlet 54 can be communicated with the water tank holes 15 through the water passing channel 53 so as to discharge water in the water tank body to the water tank mop 18.

The water tank mop 18 is made of textile fabric which is easy to absorb water, the bottom end of the air inlet hole 52 is tightly attached to the water absorbing textile fabric of the water tank mop 18, and the water absorbing textile fabric expands after absorbing water to close the air inlet hole 52.

Specifically, when the user uses the embodiment of the invention, the floor cleaning device needs to be horizontally placed, and when the floor cleaning device is horizontally placed, water in the water tank body cannot overflow and cause pollution. Set up the water tank body for store the required clean water of mop among the ground cleaning device, then set up water tank inlet port 52, an atmospheric pressure and external atmospheric pressure intercommunication for making in the water tank body, in order to reach under the same circumstances of internal pressure external pressure, water in the water tank body only receives the action of gravity and sinks automatically and soaks to go in ground cleaning device's mop, consequently after water tank inlet port 52 is blockked up by moist mop, water tank inlet port 52 can't acquire outside atmospheric pressure, consequently, moisture in the water tank just can not descend to ground cleaning device's mop along with the action of gravity, and the space in the water tank body has also formed the state of relative vacuum.

Optionally, a circular recess is formed in the upper portion of the water tank body, and the circular recess and the water tank air inlet channel are in clearance fit to form an upper communicating structure, so that air entering the water tank air inlet 52 is input into the water tank body through the air inlet channel.

Specifically, above-mentioned water tank body is used for holding the cleaning water, and whether water tank inlet port 52 stops sinking the key mechanism in ground cleaning device's the mop as the cleaning water, need with water tank inlet port 52 is last connectivity structure, goes up connectivity structure can be the gap that is not more than 1mm, through the integrative sunken shaping of water tank body preparation, avoids ground cleaning device to cause the damage when clean ground. The gap between the tank inlet 52 and the tank body of the upper communicating structure is used for inputting the air entering the tank inlet 52 into the tank body.

In order to make the air sucked from the air inlet 52 flow to the tank body through the air passage, a gap of 1mm from the top wall of the tank body is required to be provided, and the gap is a communication passage for circulating the air of the air passage and the tank body so that the internal and external air pressures are the same.

Optionally, a rubber sealing ring with the same outer diameter as the water tank air inlet 52 is installed at the bottom of the water tank air inlet 52, and is used for preventing outside air from entering the water tank air inlet 52 when the air is closed.

Specifically, in order to make the water tank air inlet hole 52 in a sealed state except for the influence of the mop of the floor cleaning device when air enters and exits, a rubber sealing ring may be installed at the bottom end of the water tank air inlet hole 52, and the rubber sealing ring may be bonded to the bottom end of the water tank air inlet hole 52, so as to prevent the external air from entering the water tank air inlet hole 52 and causing incomplete water stopping after the air closing effect is generated when the mop in the floor cleaning device is wet.

Optionally, the tank inlet aperture 52 is in contact with the floor cleaning device swab.

Specifically, ground cleaning device's mop can be the fabric preparation that adopts easy absorption to form, and the water tank body bottom is pasted through the magic and is connected with ground cleaning device's mop bonding, and based on above-mentioned connected mode, water tank inlet port 52's the department of admitting air, the ground cleaning device mop that water tank inlet port 52's bottom and the above-mentioned fabric of absorbing water made forms the relation of closely laminating promptly, and then take place the inflation after the fabric that absorbs water, the department of admitting air of closed water tank inlet port 52 reaches the technological effect of stagnant water.

In addition, according to the implementation method of the embodiment of the invention, when the knob switch of the water quantity control module is in a large water or small water gear, the external hanging floor cleaning device is statically and horizontally placed on the ground, the prerequisite is that the floor cleaning device is statically and horizontally placed, under the condition that a user forgets to close the knob to discharge water, the water outlet hole 54 can continuously discharge water, the water outlet of the water tank needs air supplied from the outside to ensure that the air pressure of the water tank is consistent with the external air pressure, when the water outlet quantity of the water tank is large enough and moistens the mop, the water of the mop can naturally close and seal the air inlet hole 52, so that the water tank can not supply air pressure difference, the water outlet of the water tank body is controlled to stop discharging water within a certain time, the function of horizontally placing and stopping water of the appearance floor cleaning device is realized, in addition, according to the water absorption capacity, and ground pollution cannot be caused.

In addition, when the floor cleaning device is not used, the user can block the water outlet 54 when hanging the mop through the action of the horizontal water stop and the air inlet hole so as to limit the water in the water tank to continuously flow out.

Specifically, at least one air inlet hole is convexly arranged on the lower outer surface of the lower water tank shell 12, the air inlet hole extends to be not communicated to penetrate through the water tank bottom cover 13 and is contacted with the upper surface of the water tank mop 18, the air inlet hole is communicated with the air inlet pipeline 51, and the air inlet hole and the air inlet pipeline 51 can be connected in a mode that a triangular section channel communicated with multiple air inlet holes or the air inlet hole is respectively communicated with the air inlet pipeline 51, and further detailed description is omitted here.

The inlet holes 52 are used for sucking and closing air through the water tank, so that the inlet holes 52 control whether water in the water tank can reach the mop of the ground cleaning device, the uniformly distributed inlet holes 52 can accurately acquire the humidity of the mop, namely, the water tank inlet holes 52 can not enter the outside air after all the inlet holes 52 are closed, so that a relatively vacuum environment in the water tank body is formed, and the water in the water tank cannot overflow due to the fact that the ground cleaning device is hung.

In order to make the air inlet judge that the condition of doing wet of mop among the mopping module is more accurate, the air inlet can set up a plurality ofly, and simultaneously with a plurality of air inlets evenly distributed in water tank bottom half, after gluing the mop in water tank bottom half, all air inlets all can be according to the closed and open state that the condition of doing wet of mop produced, consequently only after the mop is fully moistened, just probably with all air inlets closure, make the space in the water tank box be in relative vacuum state, not on the moisture in the overflow water tank box reaches the mop, reach better stagnant water effect.

The lower surface of the lower water tank shell 12 is provided with a plurality of through water tank holes 15 corresponding to the position of the water quantity control assembly, water outlet holes 54 are uniformly distributed along the horizontal main path of the water passing channel 53, air inlet holes are uniformly distributed along the other horizontal main path of the water passing channel 53, or the air inlet holes and the water outlet holes 54 are positioned at the same horizontal position along the horizontal main path of the water passing channel 53, and the horizontal positions of the air inlet holes and the water outlet holes 54 are higher than the horizontal position of the water tank holes 15 of.

In addition, in the use process of the embodiment of the invention, when the external hanging floor cleaning device is in a hanging state, no matter the water quantity control knob of the water tank is in a large water level or a small water level, the water outlet 54 of the water passing channel 53 can not flow out, the position of the water tank hole 15 is lower than the position of the water outlet 54, the water can not flow up to the water outlet 54 in the hanging process due to the action of gravity, and meanwhile, air in the water tank body is closed due to the action of the wet mop, so that the water stopping effect is achieved.

In addition, in the process of hanging the floor cleaning device, the water quantity of the water tank of the floor cleaning device is controlled through the action of the mop and the air inlet holes 52, so that a user can block the air inlet holes 52 when hanging the mop to limit the water in the water tank to continuously flow out, and meanwhile, when the mop lacks moisture, the mop is soaked by the structures such as the water outlet hole 54, and the technical effect of cleaning the floor at any time is achieved.

Optionally, the water outlet holes 54 are equidistantly and uniformly distributed on one side of the floor cleaning device, wherein each hole of the water outlet hole 54 is a perfect circle, and the distance between the centers of the adjacent water outlet holes 54 is 1 cm.

Optionally, the air inlets 52 are equidistantly and uniformly distributed on the other side of the floor cleaning device, wherein each hole of the air inlets 52 is a perfect circle, and the distance between the centers of the adjacent water outlets 54 is 1 cm.

Specifically, in order to achieve the purpose of transferring and closing air pressure to the water tank body, the exhaust pipeline is communicated with the water tank body, the air inlet hole is positioned between the mop and the bottom of the water tank body and is used for directly contacting the mop and sucking or closing air according to the drying or wetting of the mop, so that the air passing through the air inlet hole and the air inlet pipeline 51 can also reach the water tank body through the communication channel, when the air inlet hole can suck the air, the air pressure in the water tank body is consistent with the air pressure of the outside air, at the moment, the moisture in the water tank body can flow into the mop to wet the mop under the action of gravity, however, when the mop is fully wetted, the air inlet hole is blocked, the air suction condition of the air outlet hole is closed, namely, no outside air is sucked, and the air in the air passage and the water tank body is in a relatively vacuum air pressure state, the moisture in the water tank body can not flow out under the influence of gravity, namely the moisture in the water tank body can be kept in the water tank body according to the air closing condition, and the technical effect of water stopping is achieved.

Through the steps, the technical effect of automatic water stopping during the process of flatly placing the ground cleaning device can be achieved, and meanwhile, when the mop lacks moisture, the mop is soaked by the structures such as the water outlet hole, and the technical effect of cleaning the ground at any time is achieved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A floor cleaning device comprising:

the water tank assembly comprises a water tank and a mop at the bottom of the water tank;

it is characterized by also comprising:

the water quantity control assembly comprises a knob and a water control disc;

the water passing component comprises a water tank hole, a water outlet hole and a water passing channel, the water tank hole is communicated with the inside of the water tank, the water outlet hole is communicated with the outside and used for supplying water to the mop, and the water passing channel is communicated with the water tank hole and the water outlet hole;

the air inlet assembly comprises an air inlet hole formed in the bottom of the water tank and an air inlet pipeline extending from the air inlet hole to the upper portion of the water tank.

2. A floor cleaning apparatus as claimed in claim 1, wherein: the knob is connected with the water control disc through a knob rod, and the knob is rotated to control the water quantity which enters the water control hole of the water control disc from the inside of the water tank through the water tank hole.

3. A floor cleaning apparatus as claimed in claim 1, wherein: the water passing channel is a hollow channel arranged at the bottom of the water tank and comprises a starting part matched with the water control disc, an end part corresponding to the water outlet hole and a bent passage positioned between the starting part and the end part.

4. A floor cleaning apparatus as claimed in claim 3, wherein: when the floor cleaning unit is suspended, the air intake aperture is located between the initial portion and the end portion, and the end portion is higher than the initial portion.

5. A floor cleaning apparatus as claimed in claim 3, wherein: a water tank bottom cover is arranged between the water tank and the mop, the water passing channel is formed on the surface combining the water tank bottom cover and the bottom surface of the water tank, and a water outlet hole is formed in the water tank bottom cover.

6. A floor cleaning apparatus as claimed in claim 1, wherein: the floor scrubbing apparatus further includes a pedal linkage assembly for controlling locking and unlocking of the floor scrubbing apparatus with the cleaning device.

7. A floor cleaning apparatus according to claim 6 wherein the pedal linkage assembly comprises: a pedal assembly and a locking assembly;

the pedal assembly includes: the pedal, the pedal inward protrusion, the rotating shaft and the rotating reset mechanism;

the locking assembly includes: the locking shaft, the linkage part, the locking part and the locking shaft resetting mechanism;

the pedal projection interacts with the linkage to effect locking and unlocking of the floor cleaning device and the cleaning appliance.

8. A floor cleaning device according to claim 1, further comprising a mop cleaning assembly which is snap-fitted to the water tank and which is disengageable from the snap-fit condition to scrape and clean mops located at the bottom of the water tank when cleaning of mops is required.

9. A floor cleaning device according to claim 8 wherein the mop cleaning assembly includes a handle and a scraping edge, the handle being adapted to operate the mop cleaning assembly such that the scraping edge can scrape the mop along the entire length of the tank.

10. A floor cleaning apparatus as claimed in claim 1 wherein the internal diameter of the air inlet conduit is greater than or equal to the diameter of the air inlet aperture and the end of the air inlet conduit is substantially in abutment with the top of the tank inner wall.

11. The floor cleaning apparatus of claim 10, wherein the distal end of the air intake conduit is formed in a serrated shape, and the serrated top portion substantially abuts the top portion of the inner wall of the tank.

12. A floor cleaning device according to claim 1, characterized in that the air inlet line is separated from the water channel by water in the tank, and the mop is inflated by suction to block the air inlet line.

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