CN114569020A

CN114569020A - Use stable multi-functional surface cleaning machine

Info

Publication number: CN114569020A
Application number: CN202210132813.0A
Authority: CN
Inventors: 朱泽春; 朱广; 王丽军
Original assignee: Sharkninja China Technology Co Ltd
Current assignee: Sharkninja China Technology Co Ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-06-03

Abstract

The invention discloses a multifunctional surface cleaning machine stable in use, which comprises a machine body and a floor brush pivoted at the bottom end of the machine body, wherein a detachable suction source component and a dirt containing barrel are sequentially arranged on the machine body from top to bottom; in addition, the multifunctional surface cleaning machine can not only clean the ground, but also absorb dust, and has high assembly efficiency, stable use, safety and reliability.

Description

Use stable multi-functional surface cleaning machine

Technical Field

The invention relates to the technical field of cleaning equipment, in particular to a surface cleaning machine.

Background

In recent years, some intelligent cleaning devices are more and more widely applied to daily life, and various cleaning devices bring great convenience to the life of users. The floor cleaning machine is common cleaning equipment, a cleaning piece and a motor for driving the cleaning piece are arranged on a cleaning head of the floor cleaning machine, and when the surface cleaning machine works, the motor drives the cleaning piece to rotate so that the cleaning piece cleans a surface to be cleaned, so that the cleaning purpose is realized. In order to collect dirt on a surface to be cleaned, some cleaning devices are additionally provided with a suction assembly consisting of a dirt suction fan, a dirt containing barrel and other components, the dirt suction fan works to form a dirt suction airflow flowing through the dirt containing barrel, and the dirt on the surface to be cleaned can flow into the dirt containing barrel under the action of the dirt suction airflow to be collected.

Suction assembly generally fixes on the fuselage among the traditional cleaning device, guarantees that the air current that suction assembly during operation formed flows in the fuselage and attenuates the back and discharges, and the noise reduction also ensures the safety in utilization. In order to enable the surface cleaning machine to perform dry dust removal at the same time, some manufacturers set a dirt suction fan, a power supply and other components into a single suction source component which is detachably arranged on the machine body to form a floor cleaning machine for working; the suction source component detached from the machine body is additionally connected with accessories such as a dust collection component and the like for dust removal. However, because the suction source assembly is internally provided with a power supply and a fan, the weight of the suction source assembly is relatively large, the situation that a user is easy to clamp a shell when the suction source assembly is installed on the machine body is not favorable for improving the use experience, because the suction source assembly is detachably connected with the machine body, the stability of power supply of electric devices in the machine body needs to be considered again, particularly when the suction source assembly is used as a floor washing machine, in addition, the control and treatment of noise generated by the movement of airflow in the dirt or dust suction process of the suction source assembly also need to be considered again, if the control is improper, larger noise and vibration can be generated, the operation of the floor washing machine is not favorable, the work efficiency of the floor washing of the surface cleaning machine can be seriously reduced, the floor washing effect of the surface cleaning machine is influenced, and meanwhile, the experience of the surface cleaning machine by a customer is poor.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the multifunctional surface cleaning machine which can clean the ground and absorb dust, and has the advantages of high assembly efficiency, stable use, safety and reliability.

In order to achieve the technical purpose, the multifunctional surface cleaning machine stable in use provided by the invention comprises a machine body and a ground brush pivoted at the bottom end of the machine body, wherein a detachable suction source component and a dirt containing barrel are sequentially arranged on the machine body from top to bottom, a positioning part extending outwards is further arranged on the machine body, a guide convex part attached to the side wall of the suction source component is arranged at the lower end of the suction source component, a guide concave cavity matched with the guide convex part is arranged on the machine body, a first limiting surface extending to the positioning part is arranged on the machine body, and the guide concave cavity is arranged on the first limiting surface and is positioned above the positioning part.

Preferably, the locating part below still is equipped with the spacing face of second, first spacing face sets up the rear at the spacing face of second to separate from top to bottom by the locating part, the suction source subassembly is connected with the laminating of first spacing face, flourishing dirty bucket is installed in the locating part below, and with the laminating of the spacing face of second, flourishing dirty bucket contradicts with the location portion.

Preferably, the first limiting surface is an arc surface, and two opening ends of the first limiting surface are located behind two opening ends of the second limiting surface.

Preferably, the surface cleaning machine further comprises a dust collection assembly, and a first power transmission terminal for supplying power to the dust collection assembly is arranged in the guide convex part.

Preferably, the guide concave cavity is arranged at the lower part of the first limiting surface, and the upper part of the first limiting surface is also provided with a second power transmission terminal for supplying power to other power systems of the surface cleaning machine.

Preferably, a concave positioning cavity is arranged on the positioning part, the guide concave cavity extends to the top end of the positioning cavity, and the lower end of the suction source assembly at least partially extends into the positioning cavity.

Preferably, the bottom surface of location portion is the inclined plane, dirty bucket includes the staving and sets up the lid at staving upper port, the lid is contradicted with the bottom surface of location portion.

Preferably, the positioning part is provided with a bayonet, the cover body of the dirt containing barrel is provided with a buckle, and the dirt containing barrel is detachably mounted on the positioning part through the buckle and the bayonet.

Preferably, be equipped with air intake and air outlet on the suction source subassembly, location portion is equipped with the passageway that induced drafts that is used for communicateing flourishing dirty bucket and air intake, is equipped with the chamber of airing exhaust that communicates with the air outlet in the fuselage, and the dirty air suction flow that flourishes the bucket inside through induced drafts passageway, air intake entering suction source subassembly, then discharges after the air outlet gets into the exhaust chamber, the import in exhaust chamber is at least partly set up in location portion, the chamber of airing exhaust extends the setting downwards in the fuselage, and the export setting in exhaust chamber is in the main part.

Preferably, the air outlet is arranged below the protrusion, the air inlet is arranged on the lower end face of the suction source assembly, and an elastic sealing element is arranged between the air outlet of the suction source assembly and the inlet of the air exhaust cavity.

After the technical scheme is adopted, the invention has the following advantages:

1. according to the surface cleaning machine provided by the invention, the lower end of the suction source component is provided with the guide convex part attached to the side wall of the suction source component, the machine body is provided with the guide concave cavity matched with the guide convex part, the machine body is provided with the first limiting surface extending to the positioning part, and the guide concave cavity is arranged on the first limiting surface and is positioned above the positioning part, so that when the suction source component is installed on the machine body, the guide convex part and the guide concave cavity are matched to play a role in guiding the suction source component so that the suction source component can be installed in place smoothly, the situation that the suction source component is clamped during installation is avoided, and the use experience of a user is improved. When the surface cleaning machine works, the L-shaped limiting structure is formed by the matching of the guide convex part, the guide concave cavity and the positioning part, so that the lower part of the suction source component is limited, the limiting area is effectively increased, the structural stability of the suction source component when being installed on the machine body is improved, the situation that the suction source component is loosened due to impact is avoided, and the overall working stability of the surface cleaning machine is ensured. Because suction source subassembly and flourishing dirty bucket all are detachable and set up on the fuselage, and suction source subassembly is heavier relatively, if rock after flourishing water in the flourishing dirty bucket then can cause the fuselage focus to change, just that is the focus of flourishing dirty bucket is constantly changing, and the body is the slope when surface cleaning machine uses, set up on first spacing face through the direction cavity, and extend to location portion, make suction source subassembly install on the fuselage after, spacing through carrying on of first spacing face, because suction source subassembly is heavier, just so can be better transfer to the focus of suction source subassembly on the fuselage, make multifunctional surface cleaning machine is as the focus of floor cleaning machine during operation also can be more stable, suction source subassembly and fuselage can form a complete whole better, it is more convenient to use, experience is good.

2. Because the suction source component and the dirt containing barrel are detachably arranged on the machine body, the suction source component is relatively heavy, if the dirt containing barrel is used for containing water, the gravity center of the machine body can be changed, namely the gravity center of the dirt containing barrel is continuously changed, and the machine body is inclined when the surface cleaning machine is used, the second limiting surface is arranged below the positioning part, the first limiting surface is arranged behind the second limiting surface and is vertically separated by the positioning part, the suction source component is attached and connected with the first limiting surface, the dirt containing barrel is arranged below the positioning part and is attached to the second limiting surface, the dirt containing barrel is abutted against the positioning part, so that the suction source component and the dirt containing barrel can be stabilized on the machine body, the first limiting surface matched with the suction source component is abutted against the back, and the gravity center of the suction source component can be moved backwards because the suction source component is relatively heavy, better transfer to on the fuselage, and unstable flourishing dirty bucket is lighter, the setting lean on a little before, and the sewage in the flourishing dirty bucket can make the focus of flourishing dirty bucket follow the inclination of fuselage and shift to the fuselage, also can make like this flourishing dirty bucket and fuselage have a better laminating, and the focus also can be more stable. Simultaneously with the two tandem setting, especially heavy suction source subassembly sets up on fuselage upper portion and more presses close to the fuselage, the changeable flourishing dirty bucket of weight sets up and keeps away from the fuselage (compare with suction source subassembly) a little in the fuselage lower part, make the two reach the balance of a restraint each other to the centrobaric influence of fuselage, the focus of better regulation surface cleaner concentrates on the fuselage, it is more humanized to use, it is also lighter, can not cause the problem that the use surface cleaner during operation lets the people very hard to drag motionless or drag the difficulty, the sensation that turns over after can not having the front to pitch on more produces, therefore, the fuselage structural design of this surface cleaner is reasonable, experience is felt well, and convenient to use is light and fast.

3. Through inciting somebody to action first spacing face is the cambered surface, the both open ends of first spacing face are located the both open ends rear of the spacing face of second, make the focus of suction source subassembly be close to the fuselage setting more, the radian through the cambered surface has increased the laminating area of suction source subassembly with first spacing face to make the better carrying on spacingly to suction source subassembly and flourishing dirty bucket of fuselage, be favorable to rationally reducing the focus of suction source subassembly, the focus of flourishing dirty bucket and the distance between the focus of fuselage, thereby make the weight of suction source subassembly, flourishing dirty bucket be in better transfer to on the fuselage during operation of surface cleaning machine, make suction source subassembly and flourishing dirty bucket form a whole with the fuselage, guaranteed stability and the reliability of surface cleaning machine as the floor cleaning machine during operation.

4. Surface cleaner still includes dust absorption component, through setting up the first power transmission terminal that is used for the power supply of dust absorption component in the convex part that will lead, reasonable utilization space, make suction source subassembly reasonable in design, be unlikely to the volume too huge, utilize the cooperation of direction convex part and fuselage or dust absorption component simultaneously, make no matter be suction source subassembly and dust absorption component equipment for the scrubber, still assemble the surface cleaner who is used for washing ground with the fuselage cooperation, realize the power supply connection when accomplishing the structure complex, the user need not to carry out other electricity operations of connecting when using, the convenience of use is improved, and the reliable safety and stability of electric transmission.

5. The guide concave cavity is arranged at the lower part of the first limiting surface, the upper part of the first limiting surface is also provided with a second power transmission terminal for supplying power to other power systems of the surface cleaning machine, so that the guide convex part and the guide concave cavity can be smoothly matched to install the suction source assembly on the machine body, the first limiting surface limits the suction source assembly, the reliable installation and connection of the suction source assembly and the machine body are ensured, meanwhile, the first power transmission terminal in the suction source assembly is matched and connected with the second power transmission terminal in the machine body, the suction source assembly is further limited, power in the suction source assembly is transmitted to electric devices and other power systems in the machine body, the power supply reliability of the machine body and other power systems is ensured, the electric devices not only enable the suction source assembly to be well fixed on the machine body, and the vibration of the suction source assembly during working is avoided, the noise of the suction source component is reduced, and meanwhile, the power supply of the surface cleaning machine is stable and safe when the surface cleaning machine works, so that the portability and the safety of the surface cleaning machine during use are ensured.

6. The concave positioning cavity is arranged on the positioning part, the guiding cavity extends to the top end of the positioning cavity, so that the guiding action of the guided cavity and the guiding bulge can be directly inserted into the positioning cavity through guiding in the installation process of the suction source component, the installation is smooth, the positioning cavity is limited after the suction source component is installed, the possibility of shaking is reduced, meanwhile, the lower end of the suction source component extends into the positioning cavity at least partially, the suction source component is limited circumferentially by the first limiting surface, the axial limiting of the positioning cavity is increased, and the positioning cavity are connected, the smoothness and the continuity of the guiding action are ensured, the installation is convenient, the fixation of the suction source component and the machine body can be ensured to be firmer after the suction source component is installed in place, and the shaking or the vibration can not occur even if the suction source component is impacted, so that the electric connection between the suction source component and the machine body and the transmission of airflow are more efficient and reliable, thereby being more beneficial to controlling the noise when the airflow of the suction source component moves.

7. The bottom surface of location portion is the inclined plane, flourishing dirty bucket includes staving and the lid of setting port on the staving, the lid is contradicted with the bottom surface of location portion for location portion has the guide effect to the installation of flourishing dirty bucket, has made things convenient for the installation of flourishing dirty bucket, and the lid of flourishing dirty bucket is contradicted with the bottom surface of location portion, makes location portion carry on spacingly to flourishing dirty bucket, has reduced the possibility of rocking of flourishing dirty bucket, especially when surface cleaner during operation receives the striking, has avoided the possibility of spill of sewage in the flourishing dirty bucket, and flourishing dirty bucket is fixed firm like this, also is convenient for to suck the effective soil of source module, has avoided secondary pollution's possibility.

8. Be equipped with the bayonet socket on location portion, set up the buckle on the dirty bucket lid of flourishing, flourishing dirty bucket passes through buckle and bayonet socket cooperation detachable and installs on location portion, has further consolidated the connection of flourishing dirty bucket with the fuselage for the installation of flourishing dirty bucket with the fuselage is more stable.

9. The suction source component is provided with the air inlet and the air outlet, the positioning part is provided with the air suction channel for communicating the dirt containing barrel with the air inlet, the machine body is internally provided with the air exhaust cavity communicated with the air outlet, dirt suction air flowing through the dirt containing barrel enters the suction source component through the air suction channel and the air inlet and then enters the air exhaust cavity through the air outlet and then is exhausted, the inlet of the air exhaust cavity is at least partially arranged on the positioning part, the air exhaust cavity extends downwards in the machine body, the outlet of the air exhaust cavity is arranged on the main body, the butt joint effect of the air outlet of the suction source component and the air exhaust cavity on the machine body is ensured, the wind power can effectively and reliably flow in the machine body, and simultaneously, due to the existence of the positioning part, the inlet of the air exhaust cavity is at least partially arranged on the positioning part, so that the air flow or the wind power can be effectively transmitted into the air exhaust cavity in the machine body through the positioning part, the air-out device has the advantages that the continuity and smoothness of transmission are ensured, the possibility of air leakage is reduced, and the air outlet is butted with the inlet of the air-out cavity in the positioning part, so that the air trapping phenomenon can not occur, and the air can be ensured to smoothly enter the machine body and be discharged from the machine body. Under the action of the suction source component, wind or air flow passes through the positioning part, the strength and the volume of the outward transmission are attenuated under the isolation action of the positioning part, and then the wind or the air flow enters the machine body to be absorbed and attenuated again, so that the excessive wind strength transmitted from the machine body is avoided, the use safety of the surface cleaning machine is ensured, and the loud noise and the large volume are also avoided; the sense of the client cannot be influenced, the volume of the wind power noise is further weakened, the wind power noise exhausted from the machine body is further weakened and reduced, and the experience feeling is good.

10. Through set up elastic sealing element between the import in air outlet and air exhaust chamber, make the import in air outlet and air exhaust chamber can sealed butt joint cooperation and intercommunication, avoid the cooperation between the two to lead to the suction of sewage suction air current to weaken and the big problem of noise because of leaking out.

Drawings

FIG. 1 is an overall view of a surface cleaning machine according to an embodiment;

FIG. 2 is a block diagram of a surface cleaning machine with a suction source assembly removed from the machine body;

FIG. 3 is a partial view of a positioning portion of a body of a surface cleaning machine according to an embodiment of the present invention;

FIG. 4 is a block diagram of a housing of a surface cleaning machine according to an embodiment;

FIG. 5 is a vertical cross-sectional view of a housing of a surface cleaning apparatus according to an embodiment;

FIG. 6 is a block diagram of a suction source assembly in one embodiment of a surface cleaning machine;

FIG. 7 is a schematic view of the interior of a suction source assembly of a surface cleaning machine according to an embodiment;

FIG. 8 is a block diagram of a body and floor brush of a surface cleaning machine according to an embodiment;

FIG. 9 is a block diagram of a dirt receptacle in a surface cleaning machine according to one embodiment;

FIG. 10 is a flow diagram of a dirty airflow in a surface cleaner according to an embodiment;

FIG. 11 is a partial view of the positioning part of the body of the surface cleaning machine according to the second embodiment;

FIG. 12 is a schematic view of the assembly of the suction source and the positioning portion of the surface cleaning machine of the second embodiment.

The parts in the figures are numbered as follows: 10-machine body, 20-ground brush, 100-machine shell, 110-positioning part, 111-air inlet channel, 112-bottom cover, 113-inclined plane, 114-clamping groove, 120-positioning cavity, 130-exhaust cavity, 131-inlet, 132-outlet, 140-second channel, 150-sealing ring, 160-elastic sealing element, 170-exhaust gap, 180-air outlet gap, 190-guide concave cavity, 191-first limit surface, 192-second limit surface, 193-buckle, 200-suction source component, 210-air inlet, 220-air outlet, 230-boss part, 231-first end surface, 232-second end surface, 250-outer shell, 251-guide convex part, 252-clamping groove, 260-middle shell and 270-fan, 280-an air guide cover, 281-an air guide hole, 290-a flow channel, 300-a dirt containing barrel, 310-a barrel body, 311-a dirt inlet pipe, 312-a third channel, 320-a barrel cover, 321-a vent, 330-a filter screen, 340-a HEPA net, 350-a buckle, 360-a spring, 410-a cleaning roller, 420-a dirt inlet, 430-a first channel, 510-a battery, 520-an electric connection terminal, 530-a first electric transmission terminal and 540-a second electric transmission terminal.

Detailed Description

The present invention will be described with reference to the accompanying drawings. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like, which refer to orientations or positional relationships, are based only on the orientations or positional relationships illustrated in the drawings and are used only for convenience in describing and simplifying the invention, and do not indicate or imply that the surface cleaning machine/component being referred to must have a particular orientation or be constructed and operated in a particular orientation and, therefore, should not be taken as limiting the invention.

As shown in fig. 1 to 12, the multifunctional surface cleaning machine of the present invention includes a machine body 10 and a floor brush 20 pivotally connected to a bottom end of the machine body 10, wherein a detachable suction source assembly 200 and a dirt holding barrel 300 are sequentially disposed on the machine body 10 from top to bottom, a positioning portion 110 extending outward is further disposed on the machine body 10, a guide protrusion 251 attached to a side wall of the suction source assembly 200 is disposed at a lower end of the suction source assembly 200, a guide cavity 190 engaged with the guide protrusion 251 is disposed on the machine body 10, a first limiting surface 191 extending to the positioning portion 110 is disposed on the machine body 10, and the guide cavity 190 is disposed on the first limiting surface 191 and located above the positioning portion 10. When the suction source assembly 200 is mounted on the machine body 10, the suction source assembly can be rapidly and smoothly mounted in place by means of the matching guiding action of the guiding convex part 251 and the guiding concave cavity 190, so that the situation that the suction source assembly 200 is jammed during mounting is avoided, and the use experience of a user is improved. Particularly, when the surface cleaning machine is installed to work, the suction source assembly is further limited by the matching of the guide convex part 251 and the guide concave cavity 190, the limiting area is effectively increased while the suction source assembly 200 is limited by the first limiting surface, the structural stability of the suction source assembly 200 installed on the machine body 10 is improved, the situation that the suction source assembly 200 is loosened due to impact when the surface cleaning machine works is avoided, and the overall working stability of the surface cleaning machine is ensured. Because the suction source assembly 200 and the dirt holding barrel 300 are detachably arranged on the body 10, and the suction source assembly 200 is relatively heavy, if the body 10 is shaken after water is held in the dirt holding barrel 300, the gravity center of the body 10 can be changed, that is, the gravity center of the dirt holding barrel 300 is continuously changed, and the body 10 is inclined when the surface cleaning machine is used, the suction source assembly 200 is arranged on the first limiting surface 191 through the guide concave cavity 190 and is positioned above the positioning part 110, so that the suction source assembly 200 is arranged on the body 10, limited through the first limiting surface 191 and the mutual matching and limiting of the guide concave cavity 190 and the guide convex part 251, the gravity center of the suction source assembly 200 can be better transferred to the body 10, under the limiting of the positioning part 110, the gravity center of the multifunctional surface cleaning machine is more stable when the multifunctional surface cleaning machine works as a floor cleaning machine, and the suction source assembly 200 and the body 10 can better form a complete whole, the use is more convenient, safe and stable, and the experience is good.

The technical scheme of the invention is clearly and completely explained below with reference to the attached drawings.

The first embodiment is as follows:

as shown in fig. 1 to 10, the surface cleaning machine of the present invention includes a body 10 having a positioning portion 110 and a floor brush 20 pivotally connected to a bottom end of the body 10, wherein the positioning portion 110 protrudes outward from the body 10, and the body 10 is provided with a suction source assembly 200 and a dirt holding barrel 300 detachably disposed above and below the positioning portion 110. The lower portion of the sidewall of the suction source assembly 200 is provided with a guide protrusion 251, the body 10 is provided with a guide concave cavity 190 matched with the guide protrusion 251, the body 10 is provided with a first limiting surface 191 extending to the positioning portion 110, and the guide concave cavity 190 is arranged on the first limiting surface 191 and located above the positioning portion 10. When the suction source assembly 200 is mounted on the body 10, the suction source assembly 200 can be rapidly and smoothly mounted in place by means of the matching and guiding action of the guide convex part 251 and the guide concave cavity 190, and in addition, when the suction source assembly is mounted, the surface cleaning machine works, because the first limiting surface limits the suction source assembly 200, the guide concave cavity 190 is arranged on the first limiting surface 191, the matching of the guide convex part 251 and the guide concave cavity 190 is further limited, and the suction source assembly 200 is stably mounted under the action of the positioning part 10, the limiting area is effectively increased, so that the suction source assembly 200 and the body 10 are better integrated, the situation that the suction source assembly 200 is loosened from the body 10 due to impact when the surface cleaning machine works is avoided, and the working stability of the whole surface cleaning machine is ensured.

In this embodiment, the guiding recessed cavity 190 extends downward to the top side of the positioning portion 110, the positioning portion 110 is provided with a recessed positioning cavity 120, and the front end of the suction source assembly 200 is inserted into the positioning cavity 120, so that the horizontal limiting and the axial limiting are provided, and the horizontal limiting and the axial limiting are connected, so that the smoothness and the continuity of the guiding function are ensured, and the suction source assembly is not moved or shaken after being installed in place while being convenient to install. The ratio of the height of the guide concave cavity 190 to the depth of the positioning cavity 120 is 1.5-3.5. When the suction source assembly is installed on the machine body, the axial limit of the positioning cavity is increased besides being limited in the circumferential direction by the first limiting surface, so that the fixing of the suction source assembly and the machine body is firmer, and even if the suction source assembly is impacted, shaking or vibration cannot occur, so that the electric connection between the suction source assembly and the machine body and the transmission of air flow are more efficient and reliable, and the control of noise during the air flow movement of the suction source assembly is more facilitated. The ratio of the height of the guide concave cavity 190 to the depth of the positioning cavity is reasonably set, so that the suction source assembly is installed on the machine body with enough guide stroke, alignment is not needed during installation, and the installation efficiency is improved. After the installation is finished, the machine body has enough limiting space and limiting surface for the suction source assembly through the positioning cavity and the guide concave cavity 190, and the structural stability of the suction source assembly is ensured.

Referring to fig. 3, the length of guide recess 190 is H1, the depth of positioning cavity 120 is H2, and the ratio of the length H1 of guide recess 190 to the depth H2 of positioning cavity 120 is preferably set to 2. In this embodiment, the length H1 of the guide recess 190 is preferably set to 60mm, and the depth H2 of the positioning cavity 120 is preferably set to 30 mm.

In this embodiment, the body 10 includes a casing 100, and the positioning portion 110 is disposed on a front side of the casing 100. The suction source assembly 200 is detachably mounted on the front side of the cabinet 100 and located above the positioning portion 110, and the dirt holding barrel 300 is detachably mounted on the front side of the cabinet 100 and located below the positioning portion 110. The suction source assembly 200 is substantially cylindrical, a first stopper surface 191 positioned above the positioning portion 110 and engaged with the suction source assembly 200 is provided on the front side of the casing 100, and the guide recess 190 is provided at the lower portion of the first stopper surface 191. When the suction source assembly 200 is mounted on the casing 100, a partial sidewall of the suction source assembly 200 is attached to the first position-limiting surface 191.

In this embodiment, the first limiting surface 191 extends downward from the top end of the body to the positioning portion 110, the front side of the body 10 is further provided with a second limiting surface 192 located below the positioning portion 110, in this embodiment, the second limiting surface extends downward from the bottom side of the positioning portion 110, the first limiting surface 191 is located behind the second limiting surface 192, the suction source assembly 200 is detachably disposed above the positioning portion 110 and can be attached to and connected with the first limiting surface 191, and the dirt containing barrel 300 is disposed below the positioning portion 110 and abuts against the positioning portion and is matched with the second limiting surface 192.

The main body 10 includes a housing 100, a positioning portion 110 disposed at a front side of the housing 100, and a first limiting surface 191 and a second limiting surface 192 disposed at the front side of the housing 100 and respectively located above and below the positioning portion 110. The suction source assembly 200 is detachably mounted on the front side of the cabinet 100 and located above the positioning portion 110, and the dirt holding barrel 300 is detachably mounted on the front side of the cabinet 100 and located below the positioning portion 110. The suction source assembly 200 has a substantially cylindrical shape, and a side of the dirt-containing tub 300 facing the body 10 is disposed to be flat. Accordingly, the first limiting surface 191 is configured as an arc surface adapted to the suction source assembly 200 in the present embodiment, that is, the first limiting surface 191 has an arc shape along the transverse cross-sectional shape. The second limiting surface 192 is configured to be matched with the dirt holding barrel 300 in the embodiment, and the cross section of the second limiting surface 192 along the transverse direction is roughly in a shape of a trapezoid 21274.

Referring to fig. 4 and 5, the line L1 is a central line of the body 10, and the first stopper surface 191 is located behind the second stopper surface 192, which means that the minimum distance D1 between the first stopper surface 191 and the central line of the body 10 is smaller than the minimum distance D2 between the second stopper surface 192 and the central line of the body 10.

In this embodiment, the first limiting surface 191 and the second limiting surface 192 both adopt a structure with openings at left and right vertical sides, and the vertical sides of the first limiting surface 191 are preferably located behind the vertical sides of the second limiting surface 192. With reference to fig. 4, a straight line L2 is a projection position of the vertical two sides of the first limiting surface 191 in the front-back direction, a straight line L3 is a projection position of the vertical two sides of the second limiting surface 192 in the front-back direction, and a straight line L2 is located behind the straight line L3, so that both the suction source assembly 200 and the dirt containing bucket 300 can be stabilized on the machine body 10, the first limiting surface 191 attached to the suction source assembly 200 is located behind, because the suction source assembly 200 is heavier, the gravity center of the suction source assembly 200 can be moved backwards, and is better transferred to the machine body 10, and the unstable dirt containing bucket 300 is lighter, the second limiting surface 192 is located at a front point, and the sewage in the dirt containing bucket 300 can transfer the gravity center of the dirt containing bucket 30 to the machine body 10 along with the inclination angle of the machine body 10, so that the dirt containing bucket 300 and the machine body 10 can be better attached, and the gravity center can also be relatively stable. Simultaneously with the two tandem setting, especially heavy suction source subassembly 200 sets up on fuselage 10 upper portion and more press close to fuselage 10, changeable flourishing dirty bucket 300 of weight sets up and keeps away from fuselage 10 a little in fuselage 10 lower part for the two reaches the balance of a restraint each other to the centrobaric influence of fuselage 10, the focus of better regulation cleaner is concentrated on fuselage 10, use more humanized, it is also lighter and more handy, can not cause the problem that makes people very hard to drag and does not move or drag the difficulty when using the surface cleaner during operation, more can not have the sensation of turning over backward from the beginning to the end to produce, consequently, the fuselage structural design of this surface cleaner is reasonable, experience is felt well, and convenient to use is light and fast.

In order to further improve the structural stability of the suction source assembly 200 when it is mounted on the casing 100, the front side of the casing 100 is provided with a catch 193 for fixing the suction source assembly 200 to the side of the casing 100, and the catch 193 is disposed above the guide recess 190 and near the top end of the body 10. The sidewall of the suction source assembly 200 is provided with a locking groove 252 engaged with the locking buckle 193, when the suction source assembly 200 is mounted on the casing 100, the locking buckle 193 is locked in the locking groove 252, and the upper portion of the suction source assembly 200 is effectively positioned by the engagement of the locking buckle 193 and the locking groove 252.

With reference to fig. 6 and 7, the front end of the suction source assembly 200 facing the positioning portion 110 is provided with a boss portion 230 protruding forward and engaged with the positioning chamber 120, the front end surface of the boss portion 230 is provided with an air inlet 210, and the side wall of the boss portion 230 is provided with an air outlet 220. In this embodiment, the suction source assembly 200 includes a housing 250 and a middle housing 260 disposed in a front portion of the housing 250, a front end of the middle housing 260 protrudes forward relative to the housing 250 to form a boss portion 230, a guide protrusion 251 is disposed at a front end of the housing 250, and the air outlet 220 is disposed at a periphery of the air inlet 210 and below the guide protrusion 251. The middle shell 260 is internally provided with a fan 270 and an air guiding cover 280 sleeved outside the fan 270, and the air guiding cover 280 is positioned between the fan 270 and the middle shell 260. The air inlet 210 is communicated with the inside of the fan 270, a flow channel 290 is arranged between the air guiding cover 280 and the middle shell 260, and an air guiding hole 281 for communicating the inside of the fan 270 and the flow channel 290 is arranged on the air guiding cover 280. The air guiding hole 281 and the air outlet 220 are preferably arranged on the same radial direction and are respectively located on two sides of the axis of the fan 270, so that the air guiding hole 281 and the air outlet 220 are arranged as far away as possible, the length of the flow path of the sewage suction air flow in the flow channel 290 is increased, and the attenuation effect of the sewage suction air flow is favorably improved. The suction source assembly 200 also includes a battery 510 disposed within the rear portion of the housing 250, the battery 510 providing power to the fan 270 and the electrical components within the surface cleaner when the surface cleaner is in operation.

Referring to fig. 8, an air inlet channel 111 for communicating the dirt containing barrel 300 with the air inlet 210 is disposed in the positioning portion 110, and the top end of the air inlet channel 111 is communicated with the positioning cavity 120. In this embodiment, the positioning portion 110 is provided with a bottom cover 112, and the air inlet channel 111 is formed by the bottom cover 112.

An air exhaust chamber 130 which can be communicated with the air outlet 220 and extends downwards is arranged in the machine body 10, sewage suction airflow flowing through the sewage containing barrel 300 flows through the interior of the suction source assembly 200 through the air inlet 210 and the air outlet 220 and then is exhausted through the air exhaust chamber 130, an inlet 131 of the air exhaust chamber 130 is at least partially arranged on the positioning portion 110, and an outlet 132 of the air exhaust chamber 130 is arranged on the machine body 10 and is positioned below the positioning portion 120. In this embodiment, the inlet 131 of the exhaust chamber 130 is disposed on the inner sidewall of the positioning chamber 120, and when the suction source assembly 200 is mounted on the machine body 10, the air outlet 220 on the sidewall of the boss portion 230 is in butt-joint fit with the inlet 131 on the inner sidewall of the exhaust chamber 130. The outlet 132 of the exhaust chamber 130 is disposed at the front side of the body 10 and below the positioning portion 110, and the dirty air flow flowing into the exhaust chamber 130 is discharged downward out of the body 10 through the outlet 132 of the exhaust chamber 130.

In order to make the air intake channel 111 and the air inlet 210 capable of being in sealing butt joint fit, a sealing ring 150 located at the periphery of the top end of the air intake channel 111 is arranged on the bottom wall of the positioning cavity 120. In order to enable the air outlet 220 to be in sealing butt fit with the inlet 131 of the exhaust chamber 130, an elastic sealing member 160 disposed around the periphery of the inlet 131 is disposed on the inner side wall of the positioning chamber 120. When the suction source assembly 200 is mounted on the body 10, the portion of the front end surface of the boss portion 230 located at the periphery of the air inlet 210 interferes with the sealing ring 150, and the portion of the boss portion 230 located at the periphery of the air outlet 220 interferes with the elastic sealing member 160. The sealing ring 150 prevents air leakage between the air inlet channel 111 and the air inlet 210, and the elastic sealing member 160 prevents air leakage between the air outlet 220 and the inlet 131 of the exhaust cavity 130, thereby being beneficial to preventing air noise caused by air leakage.

To increase the utility of the suction source assembly 200, the surface cleaning apparatus further comprises a suction assembly detachably engaged with the suction source assembly 200, in this embodiment a dirt cup, and the suction source assembly 200 can be dry cleaned when assembled with the suction assembly. An electric component is provided in the dust suction assembly, a first power transmission terminal 530 for supplying power to the electric component in the dust suction assembly is provided in the guide projection 251, and the first power transmission terminal 530 is positioned above the air outlet 220.

In order to avoid the guide projection 251, the first stopper surface 191 is provided with a guide recess 190 recessed toward the body 10 for avoiding the guide projection 251. In this embodiment, the guiding recessed cavity 190 is disposed at a lower portion of the first limiting surface 191, and the guiding recessed cavity 190 extends downward to a top side of the positioning cavity 120.

In operation of the surface cleaning machine, the battery 510 in the suction source assembly 200 supplies power to the fan 270 and the electrical components or other power systems in the body 10, floor brush 20. In this embodiment, a circuit board is disposed in the casing 100, and other power-consuming components or other power systems in the body 10 or the floor brush 20 are electrically connected to the circuit board. The first limiting surface 191 is provided with an electric terminal 520 positioned above the guide concave cavity 190, and the electric terminal 520 is electrically connected with the circuit board. A second power transmission terminal 540 is provided on the sidewall of the suction source assembly 200 above the guide projection 251, and the second power transmission terminal 540 is electrically connected to the battery 510. When the suction source assembly 200 is mounted to the body 10, the second power transmission terminal 540 is in contact with the electrical terminal 520 for electrical connection, and the battery 510 supplies power to the surface cleaning machine through the engagement of the second power transmission terminal 540 with the electrical terminal 520.

Referring to fig. 8, when the dirt holding barrel 300 is mounted on the body 10, an air exhaust gap 170 extending vertically is formed between the dirt holding barrel 300 and the body 10, the outlet 132 of the air exhaust cavity 130 is disposed corresponding to the top end of the air exhaust gap 170 and is communicated with the air exhaust gap 170, and an air outlet gap 180 extending horizontally is disposed between the bottom of the dirt holding barrel 300 and the lower portion of the casing 100.

The front side of the bottom of the floor brush 20 is provided with a cleaning roller 410 driven by a motor, the axial direction of the cleaning roller 410 is arranged along the left-right direction, the motor and a transmission structure for driving the cleaning roller 410 are arranged in the floor brush 20, and the motor drives the cleaning roller 410 to rotate through the transmission structure so that the cleaning roller 410 wipes a surface to be cleaned, thereby realizing the cleaning purpose.

The floor brush 20 is provided with a dirt inlet 420 at the rear side of the cleaning roller 410, a first passage 430 communicated with the dirt inlet 420 is arranged in the floor brush 20, and a second passage 140 for communicating the first passage 430 with the inside of the dirt containing barrel 300 is arranged at the lower end of the body 10.

Referring to fig. 9, the dirt holding barrel 300 includes a barrel body 310 and a barrel cover 320 which are detachably engaged, a dirt inlet pipe 311 which extends vertically and has two open ends is disposed in the barrel body 310, a third channel 312 which can be communicated with the second channel 140 is formed in an inner cavity of the dirt inlet pipe 311, a vent 321 is disposed on the barrel cover 320, and a filter screen 330 and a sea handkerchief net 340 which are disposed above the vent 321 are disposed on the barrel cover 320.

Referring to fig. 10, when the surface cleaning machine is in operation, the motor drives the cleaning roller 410 to rotate through the transmission structure, so that the cleaning roller 410 wipes a surface to be cleaned. Meanwhile, the fan 270 works to form a dirt suction airflow, the dirt suction airflow flows in from the dirt inlet 420, then flows through the inside of the dirt containing barrel 300 through the first channel 430, the second channel 140 and the third channel 312 and then flows out of the dirt containing barrel 300 through the vent 321, and dirt between the cleaning roller 410 and the dirt inlet 420 is collected in the dirt containing barrel 300 under the action of the dirt suction airflow. The sewage-absorbing air flowing out of the dirt-containing barrel 300 is filtered by the filter screen 330 and the HEPA screen 340, then flows into the fan 270 through the air inlet channel 111 and the air inlet 210, flows into the flow channel 290 through the air guide hole 281, then flows into the exhaust cavity 130 through the air outlet 220, flows into the exhaust gap 170 through the outlet 132 of the exhaust cavity 130, flows downwards along the exhaust gap 170, and finally is discharged out of the machine body 10 through the air outlet gap 180 between the bottom of the dirt-containing barrel 300 and the lower part of the machine shell 100.

It can be understood that the guide concave cavity can also be arranged at the lower end of the first limiting surface above the positioning part and close to the positioning part; the ratio of the height H1 of the guide cavity 190 to the depth H2 of the positioning cavity 120 can be set to 1.5, 1.7, 1.9, 2.1, 2.3, 2.5, 2.7, 2.9, 3.1, 3.3, 3.5, or other reasonable ratios.

It is understood that the sealing ring 150 may be disposed on the front of the boss portion 230 and at the outer periphery of the intake vent 210.

It will be appreciated that the resilient sealing member 160 may also be provided on the sidewall of the boss portion 230 and located at the outer periphery of the outlet vent 220.

It will be appreciated that the suction assembly may be a suction hose or the like for dry suction.

It can be understood that the exhaust gap 170 may also adopt a structure with an opening at the bottom end, in this case, the structure of the exhaust gap 180 is eliminated, and the dirt-suction airflow directly discharges downward out of the body 10 after flowing downward through the exhaust gap 170.

Example two:

referring to fig. 11, an inlet 131 of the exhaust chamber 130 is disposed at the bottom of the positioning chamber 120, the exhaust chamber 130 is disposed in the positioning portion 110 and extends downward, an outlet 132 of the exhaust chamber 130 is disposed at the bottom side of the positioning portion 110, and the dirty air flowing into the exhaust chamber 130 from the inlet 131 of the exhaust chamber 130 is exhausted out of the body 10 through the outlet 132 of the dirt discharge chamber.

Referring to fig. 12, the front end of the suction source assembly 200 is provided with a first end surface 231 and a second end surface 232 which are staggered from each other, the first end surface 231 is located at the front side of the second end surface 232, the air inlet 210 is arranged on the first end surface 231, and the air outlet 220 is arranged on the second end surface 232 and surrounds the air inlet 210. The air inlet channel 111 is disposed at the center of the positioning portion 110, the air exhaust cavity 130 is disposed at the periphery of the air inlet channel 111, the inlets 131 of the air exhaust cavity 130 are distributed at intervals on the bottom wall of the positioning cavity 120 and are located at the periphery of the air inlet channel 111, and the outlet 132 of the air exhaust cavity 130 is disposed at the bottom of the positioning portion 110 close to the fuselage 10.

The air outlet 220 of the suction source assembly 200 and the inlet 131 of the exhaust chamber 130 are in a bottom butt-joint fit structure, when the suction source assembly 200 is installed on the machine body 10, the air outlet 220 and the inlet 131 of the exhaust chamber 130 are in up-and-down butt-joint fit and communication, and the outlet 132 of the exhaust chamber 130 is communicated with the top end of the exhaust gap 170. When the surface cleaning machine works, sewage suction airflow flows in from the sewage inlet 420, then flows through the first channel 430, the second channel 140, the third channel 312, the vent 321, the air inlet channel 111, the air inlet 210, the inside of the fan 270, the air guide hole 281, the flow channel 290, the air outlet 220, the inlet 131 of the exhaust cavity 130, the outlet 132 of the exhaust cavity and the exhaust gap 170 in sequence, and finally is discharged out of the machine body from the air outlet gap 180.

The other structures of the second embodiment are the same as those of the first embodiment, and are not described in detail here.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications to the present invention and combine the above embodiments without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a use stable multi-functional surface cleaning machine, includes fuselage and pin joint in the scrubbing brush of fuselage bottom, from the top down is equipped with detachable suction source subassembly, flourishing dirty bucket on the fuselage in proper order, still be equipped with outside location portion that extends on the fuselage, its characterized in that, the lower extreme of suction source subassembly is equipped with the direction convex part of depending on its lateral wall, be equipped with on the fuselage with direction convex part complex direction cavity, be equipped with the first spacing face that extends to location portion on the fuselage, the direction cavity sets up on first spacing face to be located the top of location portion.

2. The multifunctional surface cleaning machine of claim 1, wherein a second limiting surface is further disposed below the positioning portion, the first limiting surface is disposed behind the second limiting surface and is vertically separated from the positioning portion, the suction source assembly is attached to and connected with the first limiting surface, the dirt containing barrel is mounted below the positioning portion and is attached to the second limiting surface, and the dirt containing barrel abuts against the positioning portion.

3. The multi-functional surface cleaning machine of claim 2, wherein the first limiting surface is an arc surface, and the two open ends of the first limiting surface are located behind the two open ends of the second limiting surface.

4. The multi-functional surface cleaning machine of claim 1, further comprising a suction assembly, wherein the guide projection has a first power delivery terminal disposed therein for providing power to the suction assembly.

5. The multi-functional surface cleaning machine of claim 1, wherein the cavity is disposed below the first surface, and a second power transmission terminal is disposed above the first surface for supplying power to other power systems of the surface cleaning machine.

6. The multi-function surface cleaning machine of claim 1 wherein said positioning portion has a downwardly concave positioning chamber, said guide cavity extends to a top end of said positioning chamber, and a lower end of said suction source assembly extends at least partially into said positioning chamber.

7. The multifunctional surface cleaning machine according to claim 1, wherein the bottom surface of the positioning portion is an inclined surface, the dirt containing barrel includes a barrel body and a cover body disposed at an upper end of the barrel body, and the cover body abuts against the bottom surface of the positioning portion.

8. The multifunctional surface cleaning machine of claim 8, wherein the positioning portion is provided with a bayonet, the cover of the dirt containing barrel is provided with a buckle, and the dirt containing barrel is detachably mounted on the positioning portion through the buckle and the bayonet.

9. The multifunctional surface cleaning machine according to claim 1, wherein the suction source assembly is provided with an air inlet and an air outlet, the positioning portion is provided with an air suction channel for communicating the dirt holding barrel with the air inlet, the body is provided with an air discharge chamber communicating with the air outlet, the dirt suction air flowing through the dirt holding barrel enters the suction source assembly through the air suction channel and the air inlet, and then enters the air discharge chamber through the air outlet and is discharged, an inlet of the air discharge chamber is at least partially disposed on the positioning portion, the air discharge chamber extends downward in the body, and an outlet of the air discharge chamber is disposed on the body.

10. The multi-functional surface cleaning apparatus of claim 9, wherein the outlet port is disposed below the positioning projection, the inlet port is disposed on a lower face of the suction source assembly, and a resilient seal is disposed between the outlet port of the suction source assembly and the inlet port of the exhaust chamber.