CN217137886U - Dust box mounting structure - Google Patents

Abstract

The utility model provides a dirt box mounting structure belongs to the cleaning device field. It has solved the overhead unreliable scheduling problem of installation of current dirt box at the scrubbing brush. This dirt box mounting structure, including the first body of scrubbing brush, this internal negative pressure chamber that can supply the dirt box to place of offering of scrubbing brush, and the negative pressure chamber is formed with the mouth of putting, its characterized in that of getting that can supply the dirt box to get to put on the first body of scrubbing brush: the inner wall of the negative pressure cavity is provided with a step surface capable of bearing a dust box along the periphery of the inner wall, the dust box mounting structure further comprises a cover plate capable of covering the pick-and-place opening, an extrusion part capable of applying pressure to the dust box is convexly arranged on the surface of one side of the cover plate facing the negative pressure cavity towards the negative pressure cavity, and a locking mechanism capable of fixing the cover plate on the ground brush head body is arranged between the ground brush head body and the cover plate. The utility model discloses a reliably install the dirt box in the scrubbing brush head originally internally to form stable negative pressure.

Description

Dust box mounting structure

Technical Field

The utility model belongs to the cleaning device field, concretely relates to dirt box mounting structure.

Background

The existing surface cleaning equipment is widely applied to surfaces needing cleaning, such as floors, floor tiles and the like, in households, offices and the like. The floor brush head assembly comprises a vacuum source and a suction nozzle, wherein the suction nozzle is communicated with the vacuum source through a pipeline, and the vacuum source is directly assembled with the integrated dust assembly. In order to improve the cleaning efficiency, the prior art integrates the dust collection and floor mopping functions, for example, chinese patent (publication No. CN 208259658U; published: 2018.12.21) discloses an intelligent dust collection mop, which integrates a floor mopping assembly and a dust collection assembly together to improve the cleaning efficiency, but during the use, there are situations that the dust collection box is inconvenient to clean and the mop is inconvenient to replace and clean, so that the user needs to lift the whole dust collection mop after cleaning the dust collection box, and then take down the mop; in the dust collection process, dust can enter the dust collection box only by entering the long hose channel, so that the dust in the hose is accumulated and is not easy to clean; and when dust collection is finished, the dust collection box needs to be taken down, dust in the dust collection box is poured into the garbage can, and in the process of pouring the dust into the dust collection box, certain dust can be raised to cause secondary pollution, so that secondary pollution is generated to a cleaned room or an area, and the cleaning effect is influenced. How to reliably install the disposable dust box on the floor brush head is a technical problem to be solved.

Disclosure of Invention

The above-mentioned not enough to prior art exists, the utility model discloses the technical problem that will solve lies in, how to install the dirt box reliably overhead in the scrubbing brush.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a dirt box mounting structure, includes the first body of scrubbing brush, this internal negative pressure chamber that can supply the dirt box to place of offering of scrubbing brush, and the negative pressure chamber is formed with the mouth of putting, its characterized in that of getting that can supply the dirt box to get to put on the first body of scrubbing brush: the inner wall of the negative pressure cavity is provided with a step surface capable of bearing a dust box along the periphery of the inner wall, the dust box mounting structure further comprises a cover plate capable of covering the pick-and-place opening, an extrusion part capable of applying pressure to the dust box is convexly arranged on the surface of one side of the cover plate facing the negative pressure cavity towards the negative pressure cavity, and a locking mechanism capable of fixing the cover plate on the ground brush head body is arranged between the ground brush head body and the cover plate.

In the dust box mounting structure, the extrusion part is strip-shaped and can apply pressure to the step surface, and the extrusion part is arranged along the peripheral inner wall of the negative pressure cavity.

In the dust box mounting structure, the extrusion part comprises the first sealing ring, the first sealing ring is arranged along the extrusion part, and at least one side surface of the first sealing ring faces the step surface.

In the dust box mounting structure, the locking mechanism comprises a first fastening piece and a switch assembly, one end of the first fastening piece protrudes towards the negative pressure cavity, a first fastening opening for the first fastening piece to be embedded into is formed in the cover plate in a recessed mode, the switch assembly and the first fastening piece are arranged oppositely, and the switch assembly can limit or release the cover plate to be lifted.

In foretell dirt box mounting structure, the switch module sets up the snap close piece on the scrubbing brush head body including the swing, it makes the snap close piece towards the rotatory elasticity of negative pressure chamber direction and resets one to be equipped with between snap close piece and the scrubbing brush head body, set up the lock joint mouth two of opening towards the apron on the snap close piece, the joint lug that the protrusion set up on the apron, when the apron lid fits on the scrubbing brush head body, the joint lug is located lock joint mouth two.

In the dust box mounting structure, the floor brush head body is further rotatably connected with a second fastening piece with the top end protruding towards the negative pressure cavity, the second fastening piece is arranged on the same side as the fastening piece, an elastic resetting piece III capable of enabling the second fastening piece to rotate towards the negative pressure cavity is arranged between the floor brush head body and the second fastening piece, a third fastening port is arranged on the cover plate in a concave mode corresponding to the second fastening piece, and when the cover plate covers the floor brush head body, at least one part of the second fastening piece is located in the third fastening port.

In the dust box mounting structure, at least one second fastening piece is arranged on each of the left side and the right side of the locking piece, the number of the first fastening pieces is the same as that of the second fastening pieces, and the first fastening pieces and the second fastening pieces are arranged in a one-to-one corresponding and opposite mode.

In the dust box mounting structure, a dust box is arranged in the negative pressure cavity, a blocking edge which extends towards the outer side and can be placed on the step surface is arranged on the dust box, and the blocking edge is positioned between the step surface and the extrusion part.

In foretell dust box mounting structure, the front bezel that slopes forward and set up has on the dust box, the contained angle between front bezel and the horizontal plane is less than 90, seted up into the dirt mouth on the front bezel, the inner wall in negative pressure chamber has the profile face of mutually supporting with the front bezel, seted up suction channel on the ground brush head body and formed with the communicating sunction inlet with the negative pressure chamber, be equipped with sealing washer three on the inner wall in negative pressure chamber, sealing washer three is located the port border setting of negative pressure chamber department along suction channel.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. when the cover plate is covered on the floor brush head body, the extrusion part on the cover plate, the step surface on the floor brush head body and the blocking edge on the dust box are mutually matched, so that the dust box can be fixed in the negative pressure cavity, the sealing property between the cover plate and the floor brush head body can be ensured, and the negative pressure in the negative pressure cavity can be stably transmitted into the dust box;

2. the first buckling piece, the second buckling piece and the switch assembly are arranged, so that the cover plate can apply pressure to the dust box on the floor brush head body more uniformly, and the sealing property between the floor brush head body and the cover plate is further ensured;

3. the slope setting of the front bezel of dirt box and the cooperation of scrubbing brush head body lead to and from the location at the in-process that the dirt box was placed to close along with the lid of apron, can further extrude sealing washer three, promote the negative pressure stability when advancing dirt mouth and suction channel intercommunication.

Drawings

Fig. 1 is a schematic perspective view of the surface cleaning apparatus.

Fig. 2 is a schematic perspective view of the floor brush head body.

Fig. 3 is an exploded view of the floor brush head body.

Fig. 4 is a schematic perspective view of the floor brush head body without the cover plate.

Fig. 5 is a top view of the floor brush head body.

Fig. 6 is a schematic internal three-dimensional structure diagram of the floor brush head body.

FIG. 7 is a schematic view of the bottom structure of the floor brush head body.

Fig. 8 is a sectional view a-a of fig. 5.

Fig. 9 is a sectional view B-B of fig. 5.

Fig. 10 is a sectional view B-B of fig. 5.

Fig. 11 is a schematic perspective view of the main chassis.

Fig. 12 is a sectional view of the main chassis.

Fig. 13 is a state diagram when the battery pack is inserted.

Fig. 14 is a state diagram when the battery pack is pulled out.

Fig. 15 is a schematic perspective view of the main chassis according to the second embodiment.

Fig. 16 is a right side view of the main chassis in the second embodiment.

In the figure: 1. a handle; 2. a vacuum source; 3. a floor brush head body; 3a, a negative pressure cavity; 3b, taking and placing the opening; 3c, a suction channel; 3c1, suction inlet; 3d, step surfaces; 3e, a limiting part; 3f, a negative pressure channel; 3f1, communicating hole; 3f2, suction port; 3g, a sealing ring II; 3h, sealing ring III; 3i, mounting a cavity; 4. a main chassis; 4a, a battery jar; 4a1, insertion port; 4a2, slide; 4a3, notch; 4a4, notched surface; 4b, a friction member; 4c, a limiting surface; 4d, a holding part; 4e, a contact; 5. a switch assembly; 5a, a locking fastener; 5b, a fastening opening II; 6. a cover plate; 6a, a pressing part; 6b, a first sealing ring; 6c, clamping the convex block; 6d, fastening the first opening; 6e, a third buckling opening; 7. a dust box; 7a, a blocking edge; 7b, a dust containing cavity; 7c, a through hole; 7d, a baffle plate; 7d1, sheet one; 7d2 and a second sheet body; 7e, a dust inlet; 7f, a front plate; 8. a fastener I; 9. an elastic resetting piece I; 10. a top rod; 11. a second elastic resetting piece; 12. a fastener II; 12a, a clamping part; 13. an elastic resetting piece III; 14. mop cloth; 15. magic tape; 16. a hose; 17. a water tank; 18. a water pump; 19. a nozzle; 20. a battery pack; 20a, a protrusion.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example one

As shown in fig. 1 to 4, the surface cleaning device comprises a handle 1, a floor brush head assembly and a vacuum source 2, the top end of the handle 1 is used for holding by a user, the dust box mounting structure comprises a floor brush head body 3 and a mop cloth 14 in the floor brush head assembly, the bottom end of the handle 1 is rotatably connected with the floor brush head body 3, the mop cloth 14 is detachably connected on the bottom surface of the floor brush head body 3, a negative pressure cavity 3a is arranged in the floor brush head body 3, the negative pressure cavity 3a is used for accommodating a dust box 7, the floor brush head body 3 is also provided with a pick-and-place port 3b communicated with the negative pressure cavity 3a, the pick-and-place port 3b is used for placing the dust box 7 into the negative pressure cavity 3a of the floor brush head body 3 or taking the dust box 7 out of the negative pressure cavity 3a, the pick-and-place port 3b can be arranged on the top surface of the floor brush head body 3 or on the side surface of the floor brush head body 3, in the present embodiment, the access opening 3b is preferably opened in the top surface of the floor brush head body 3. Because the area of the top surface of the floor brush head body 3 is usually larger than the areas of the two side surfaces of the floor brush head body 3, when the taking and placing opening 3b is arranged on the top surface of the floor brush head body 3, the taking and placing path of the dust box 7 during taking and placing can be greatly reduced, and the time for a user to replace the dust box 7 is saved. The vacuum source 2 is a fan, which is widely used in the vacuum cleaner at present, and may be a turbofan fan or an axial flow fan.

As shown in fig. 1 to 4, the floor brush head body 3 is provided with a cover plate 6 capable of covering the access opening 3b, and the area of the cover plate 6 should be larger than or equal to the opening area of the access opening 3 b. As shown in fig. 3 and 6, a strip-shaped pressing portion 6a is provided to protrude from one side surface of the cover plate 6 facing the negative pressure chamber 3a, and the pressing portion 6a is provided along an inner wall of the negative pressure chamber 3 a. As shown in fig. 4 and 8, a step surface 3d facing the cover plate 6 is arranged on the inner wall of the negative pressure cavity 3a, the dust box 7 placed in the negative pressure cavity 3a has a blocking edge 7a, when the dust box 7 is placed in the negative pressure cavity 3a, the blocking edge 7a of the dust box 7 is just erected on the step surface 3d, and when the cover plate 6 covers the floor brush head body 3, the pressing part 6a is pressed on the blocking edge 7a, so that the dust box 7 is fixed on the floor brush head body 3, the dust box 7 is prevented from shaking in the negative pressure cavity 3a, and the sealing performance between the cover plate 6 and the floor brush head body 3 can be improved. In order to further ensure the sealing performance between the cover plate 6 and the floor brush head body 3, a first sealing ring 6b is arranged at the bottom end of the extruding part 6a, and at least one side surface of the first sealing ring 6b is contacted with the dust box 7 and generates deformation when the cover plate 6 is covered on the floor brush head body 3.

Still seted up installation cavity 3i in brush head body 3 as figure 6 and figure 8, installation cavity 3i separates with negative pressure cavity 3a, and installation cavity 3i sets up around negative pressure cavity 3 a. Be equipped with between scrubbing brush head body 3 and apron 6 and be equipped with the locking mechanical system that can be fixed in apron 6 on scrubbing brush head body 3, locking mechanical system is including setting up union piece 8 and the switch module 5 in installation cavity 3i, and switch module 5 sets up with fastener piece 8 relatively to the realization is to reliably connecting apron 6 on scrubbing brush head body 3.

As shown in fig. 3, 4, 7 and 8, the bottom end of the first fastening piece 8 is hinged to the floor brush head body 3, a clamping portion is arranged at the top end of the first fastening piece 8 and protrudes towards the inside of the negative pressure cavity 3a, a torsion spring is arranged at the hinged position of the first fastening piece 8 and the floor brush head body 3, one end of the torsion spring abuts against the floor brush head body 3, the other end of the torsion spring abuts against the first fastening piece 8, the top end of the first fastening piece 8 rotates towards the negative pressure cavity 3a under the action of the torsion spring, and the first fastening piece 8 abuts against the floor brush head body 3 to enable the clamping portion of the first fastening piece 8 to be located in the negative pressure cavity 3 a. The cover plate 6 is concavely provided with a buckling port 6d for embedding the buckling piece I8, when the cover plate 6 is covered, the cover plate 6 can firstly extrude the buckling piece I8 to swing towards the installation cavity 3i, when the cover plate 6 is covered in place, the cover plate resets under the action of the torsion spring, and the clamping part of the buckling piece I8 is embedded into the buckling port I6 d.

As shown in fig. 1, 3, 4, 7 and 8, the switch assembly 5 includes a latch member 5a swing-arranged on the floor brush head body 3, a fastening protrusion 6c is protruded on the cover plate 6, a fastening opening two 5b opened toward the cover plate 6 is opened on the latch member 5a, and an elastic restoring member one 9 for rotating the latch member 5a toward the negative pressure chamber 3a is arranged between the latch member 5a and the floor brush head body 3, wherein the elastic restoring member one 9 may be a torsion spring or a compression spring or a rubber band, and preferably, a torsion spring is adopted. In the covering process of the cover plate 6, the cover plate 6 can firstly press the locking piece 5a to swing towards the direction in the mounting cavity 3i, when the cover plate 6 is covered in place, the locking piece 5a swings towards the direction of the negative pressure cavity 3a to reset under the action of the elastic piece I, and the clamping convex block 6c is embedded into the clamping buckle II; when the cover plate 6 is taken out, the locking piece 5a is pressed firstly, so that the locking piece 5a swings towards the direction of the mounting cavity 3i, the freedom degree of the cover plate 6 taken out upwards is released, and then the cover plate 6 is taken out.

As shown in fig. 3, 4 and 6, a top rod 10 is movably arranged on the floor brush head body 3, the top rod 10 is arranged along the vertical direction, the bottom of the top rod 10 is located in the installation cavity 3i, the top of the top rod 10 is located in the negative pressure cavity 3a, a second elastic resetting piece 11 capable of enabling the top rod 10 to lift upwards is arranged between the top rod 10 and the floor brush head body 3, and the second elastic resetting piece 11 can be a compression spring or a sponge and is preferably a compression spring. The top end of the ejector rod 10 penetrates through the step surface 3d, the ejector rod 10 and the switch component 5 are arranged on the same side, and when the dust box 7 is placed in the negative pressure cavity 3a, the blocking edge 7a of the dust box 7 is located on the ejector rod 10. When the cover plate 6 is covered, the cover plate 6 acts on the dust box 7 to compress the elastic resetting piece II 11, so that the cover plate 6 can be limited on the floor brush head body 3 by the buckling piece I8 and the switch assembly 5; when the fastener 5a is pressed, the dust box 7 and the second cover plate 6 are tilted automatically under the action of the top rod 10, so that a user can conveniently detach the cover plate 6 and the dust box 7 from the floor brush head body 3.

As shown in fig. 1, 3, 4, 6, 7 and 8, a second fastening member 12 is disposed in the installation cavity 3i on the same side as the lift rod 10, and the lift rod 10 is closer to the negative pressure cavity 3a than the second fastening member 12. The bottom end of the second buckling piece 12 is hinged to the floor brush head body 3, the top end of the second buckling piece 12 is provided with a protruding clamping portion 12a, the hinged portion of the second buckling piece 12 and the floor brush head body 3 is provided with a third elastic resetting piece 13, the third elastic resetting piece 13 can use a torsion spring or a compression spring, the torsion spring is preferably adopted, the torsion spring acts on the second buckling piece 12, the second buckling piece 12 rotates towards the direction of the negative pressure cavity 3a through the torsion spring, the clamping portion 12a of the second buckling piece 12 enters the negative pressure cavity 3a, the second buckling piece 12 abuts against a limiting portion 3e of the floor brush head body 3 to prevent the second buckling piece 12 from over-rotating, and a buckling port third 6e is arranged on the cover plate 6 in a concave mode corresponding to the clamping portion 12a of the second buckling piece 12. When the cover plate 6 covers the floor brush head body 3, the cover plate touches the clamping part 12a of the second fastening piece 12, the force of the third elastic resetting piece 13 acting on the second fastening piece 12 is overcome, the second fastening piece 12 rotates towards the installation cavity 3i, and when the cover plate 6 reaches the covering position, the clamping part 12a of the second fastening piece 12 is embedded into the third opening interface to limit the cover plate 6 under the action of the third elastic resetting piece 13. When the cover plate 6 covers the floor brush head body 3, the two fastening pieces 12 arranged on the same side with the ejector rod 10 can resist the jacking force of the ejector rod 10, and the cover plate 6 can be reliably connected to the floor brush head body 3 on the premise that the ejector rod 10 can lift the cover plate 6.

Further, as shown in fig. 1, fig. 3, fig. 4, fig. 6, fig. 7 and fig. 8, two ejector rods 10 are arranged on the floor brush head body 3, the two ejector rods 10 are respectively located at the left side and the right side of the switch component 5, at least one second fastening piece 12 is arranged corresponding to each ejector rod 10, and the reliable limit of the cover plate 6 when the cover plate is covered on the floor brush head body 3 is realized through the position and quantity arrangement of the ejector rods 10 and the second fastening pieces 12, and meanwhile, when the floor brush head body 3 needs to be opened, one side of the dust box 7 and one side of the cover plate 6 can be stably and balancedly lifted, and the floor brush head can be debugged by using a practical product.

Further, as shown in fig. 2 to 4 and 9, the floor brush head body 3 is provided with a negative pressure passage 3f, the negative pressure passage 3f is provided with a communication hole 3f1 for communicating with the vacuum source 2 on the floor brush head body 3, the negative pressure passage 3f is further provided with a suction port 3f2 communicating with the negative pressure chamber 3a on the step surface 3d or the inner wall of the negative pressure chamber 3a, preferably, the suction port 3f2 is provided on the step surface 3d, and the vacuum source 2 sucks the negative pressure chamber 3a through the communication hole 3f 1. The upper edge of the floor brush head body 3 along the air suction port 3f2 is provided with a second sealing ring 3g, the part of the second sealing ring 3g is positioned in the negative pressure cavity 3a, and when the dust box 7 is placed in the negative pressure cavity 3a, the second sealing ring 3g can be attached to the floor brush head body; the dust box 7 is provided with a through hole 7c corresponding to the air inlet 3f2, the through hole 7c is arranged on the retaining edge 7a, when the dust box 7 is placed in the negative pressure cavity 3a, the through hole 7c is communicated with the air inlet 3f2, and the edge of the through hole 7c is positioned on the inner side of the sealing ring II 3 g.

As shown in fig. 3, 4 and 7 to 9, a suction passage 3c communicating the negative pressure chamber 3a with the outside atmosphere is provided in the floor brush head body 3, the suction passage 3c is substantially long, a suction port 3c1 is formed in the front portion of the floor brush head body 3, the dust box 7 placed in the negative pressure chamber 3a has a dust containing chamber 7b, and a dust inlet 7e communicating the dust containing chamber 7b with the outside atmosphere is provided in the dust box 7, and when the dust box 7 is located in the negative pressure chamber 3a, the dust inlet 7e communicates with a port formed in the negative pressure chamber 3a by the suction passage 3 c. The port of the suction channel 3c formed on the negative pressure cavity 3a is located in the middle of the left and right direction of the floor brush head body 3, the suction ports 3f2 with even number are opened on the floor brush head body 3, and at least one suction port 3f2 is arranged on both sides of the port of the suction channel 3c formed on the negative pressure cavity 3 a. Further, the suction passage 3c is located at the front of the floor brush head body 3, and the suction port 3f2 is located at the rear of the floor brush head body 3. The air inlets 3f2 respectively provided on the left and right sides of the end of the suction passage 3c communicating with the negative pressure chamber 3a can guide the dust and the like entering the dust box 7 to be shunted toward the left and right sides of the suction passage 3c and to be sucked backward, and particularly, the dust, the debris, the hair and the like in the dust box 7 can be shunted toward the two sides automatically in the use process of the surface cleaning device, and the user does not need to lift the dust box 7 to change the position of the dust, the debris, the hair and the like in the dust box 7, thereby making full use of the space in the dust box 7.

Further, the dust box 7 has an air-permeable pore on the top surface, which allows air to pass through and prevents dust and other debris from passing through. The gas-permeable pores may be formed by machining or by providing the top surface with a material of its own. The top surface of the dust box 7 may be made of nonwoven fabric.

As shown in fig. 3 and 9, the dust box 7 further includes a front plate 7f disposed obliquely, an included angle between the front plate 7f and the bottom surface of the floor brush head body 3 is smaller than 90 °, the dust inlet 7e is opened on the front plate 7f, and at least a part of the blocking piece 7d is attached to the front plate 7 f. Furthermore, the baffle 7d is provided with a first sheet body 7d1 and a second sheet body 7d2, the first sheet body 7d1 can rotate relative to the second sheet body 7d2, the area of the first sheet body 7d1 is larger than that of the dust inlet 7e, and the second sheet body 7d2 is fixedly connected to the dust box 7. Benefiting from the fact that the included angle between the front plate 7f of the dust box 7 and the ground brush head body 3 is smaller than 90 degrees, when the dust box 7 is placed in the negative pressure cavity 3a, the first sheet body 7d1 automatically abuts against the front plate 7f under the action of gravity, the effect of automatically closing the dust inlet 7e is achieved, and the first sheet body 7d1 automatically abuts against the front plate 7f through the action of gravity, so that the force required for opening the baffle 7d is relatively small, when the vacuum source 2 is started, the baffle 7d can be opened at the first time, the negative pressure suction force is transmitted to the suction channel 3c, and the response effect of the surface cleaning device is improved.

Further, as shown in fig. 9, the inner wall of the negative pressure chamber 3a has a profiling surface matching with the front plate 7f, a third sealing ring 3h is provided on the inner wall of the negative pressure chamber 3a, and the third sealing ring 3h is provided along the port edge of the suction channel 3c at the negative pressure chamber 3 a. When the dust box 7 is placed in the negative pressure cavity 3a, the front plate 7f of the dust box 7 is automatically attached to the third sealing ring 3h, and because the inner wall of the negative pressure cavity 3a is provided with the profiling surface matched with the front plate 7f, when the dust box 7 moves downwards under the action of the cover plate 6, the third sealing ring 3h is attached to the front plate 7f more and more closely, the problem of air leakage caused by connection between the dust inlet 7e and the suction channel 3c is prevented, and the dust collection effect is guaranteed.

Further, as shown in fig. 8 to 9, the cross sectional area of the dust box 7 at the dust inlet 7e thereof in the front-rear direction thereof is smaller than the cross sectional area of the dust box 7 at the left and right sides or one side thereof in the front-rear direction thereof, and the shape of the inner cavity of the negative pressure chamber 3a is in conformity with the shape of the outer contour of the dust box 7. The comparison between the cross-sectional area of dust box 7 both sides that are located into dirt mouth 7e and the cross-sectional area of process mouth department can be better promote the negative pressure value of dust inlet 7e department, promotes the dust collection effect. The dust box 7 is integrated in the local brush head assembly, the volume of the dust box 7 is improved to the maximum extent through the change of the cross-sectional area of the dust box 7 and the negative pressure cavity 3a at different positions, the frequency of replacing the dust box 7 is reduced, the use cost of a user is reduced, and meanwhile, the arrangement positions of the suction inlet 3c1 and the suction inlet 3f2 are combined, so that the uniform distribution condition of dust in the dust box is improved.

Specifically, as shown in fig. 1 to 3 and 7, a mop 14 is detachably connected to a bottom surface of the floor brush head body 3, at least one side of the mop 14 is located outside the floor brush head body 3, and the mop 14 located outside the floor brush head body 3 can be stepped on by a user's foot, so that the mop 14 is temporarily fixed on the ground, and then the floor brush head body 3 is pulled up by pulling the handle 1, and the force for pulling up the floor brush head body 3 can be perpendicular to or not perpendicular to the bottom surface. Furthermore, the left side or the right side of the mop cloth 14 is positioned outside the floor brush head body 3, or the left side and the right side are both positioned outside the floor brush head body 3.

Further, a magic tape 15 used for being adhered to the mop cloth 14 is fixedly arranged on the bottom surface of the floor brush head body 3, the magic tape 15 is strip-shaped, and the length direction of the magic tape 15 is arranged along the left and right directions of the floor brush head body 3. Wherein, magic subsides 15 can adopt a plurality ofly, and its quantity is confirmed according to 3 areas of actual ground brush head body, if adopt a plurality of magic subsides 15, a plurality of magic subsides 15 are arranged along the left and right sides direction interval of ground brush head body 3.

As shown in fig. 1, 11 and 12, the surface cleaning device further comprises a main casing 4, wherein the top end of the main casing 4 is connected with the handle 1, the bottom end of the main casing 4 is rotatably connected with the floor brush head body 3 through a universal joint, a vacuum source 2, a water tank 17, a water pump 18 and a spray head are arranged in the main casing 4, the vacuum source 2 is connected with the floor brush head body 3 through a hose 16, and the hose 16 is communicated with a communication hole 3f 1. The water tank 17 is detachably connected to the main case 4, so that water can be added into the water tank 17 conveniently, the water inlet end of the water pump 18 is communicated with the water tank 17, and the water outlet end of the water pump 18 is communicated with the nozzle 19. The water tank 17, the water pump 18 and the spray head form a water spraying system of the surface cleaning device, so that a user can spray liquid to a target cleaning position conveniently, dirt is dissolved or diluted, and the mop 14 can clean the dirt conveniently.

As shown in fig. 1, 11 and 12, the surface cleaning apparatus further includes a control board electrically connected to the vacuum source 2 and the water pump 18, and the control board controls the vacuum source 2 to be powered down or stopped when the water pump 18 is operated.

The surface cleaning device is powered by a detachable battery pack 20, and the battery pack 20 mounted on the surface cleaning device can be used with a plurality of devices. The main case 4 is provided with one or more battery slots 4a for inserting the battery pack 20, and if the battery slots 4a are adopted, the opening direction of each battery slot 4a is consistent, which is convenient for the user to operate. The battery slot 4a penetrates two adjacent surfaces of the main chassis 4, and an insertion port 4a1 through which the battery pack 20 can be inserted and a slide 4a2 through which a finger can extend are respectively formed on the two adjacent surfaces, the battery slot 4a is opened along the axial direction of the handle 1, the insertion port 4a1 of the battery slot 4a is located on the top surface of the main chassis 4, and the slide 4a2 penetrates the front surface of the main chassis 4 and extends through the top surface of the main chassis 4 in the inlet direction. The battery jar 4a is also internally provided with a limiting surface 4c, the limiting surface 4c is arranged towards the insertion opening 4a1, a distance for fingers to extend into is arranged between the limiting surface 4c and the bottom surface of the battery jar 4a, the limiting surface 4c is provided with a contact 4e for being electrically connected with the battery pack 20, and the battery pack 20 is provided with an insertion hole for inserting the contact 4 e.

As shown in fig. 1, 11 and 12, as the battery pack 20 is inserted into the battery slot 4a, the contact 4e is inserted into the plug hole, and the contact 4e is in interference fit with the plug hole, so as to position and fix the battery pack 20, finally, the battery pack 20 contacts with the limiting surface 4c, the limiting surface 4c limits the battery pack 20 to move continuously, and a gap is formed between the battery pack 20 inserted into the battery slot 4a and the bottom surface of the battery slot 4 a; when the battery pack 20 needs to be taken out of the battery slot 4a, only one finger needs to be inserted between the battery pack 20 and the bottom surface of the battery slot 4a and abut against the bottom surface of the battery pack 20, and the other finger is placed on the top surface of the battery pack 20 to clamp the battery pack 20, so that the battery pack 20 is pulled out of the battery slot 4a, and the user can conveniently disassemble and assemble the battery pack 20.

Further, as shown in fig. 1, 11 and 12, the width of the battery slot 4a is smaller than the width of the battery pack 20, the battery pack 20 rubs against the slot wall of the battery slot 4a when the battery pack 20 is inserted into the battery slot 4a, the contact area and the friction force between the battery pack 20 and the battery slot 4a are gradually increased along with the insertion of the battery pack 20, and the battery pack 20 is prevented from being removed from the battery slot 4a by the friction force between the battery pack 20 and the battery slot 4 a. The inner wall of the battery container 4a, which is the surface of the battery container 4a that can contact the battery pack 20 when the battery pack 20 is inserted, except for the bottom wall of the container, is provided with a friction member 4b that can generate friction with the outer side of the battery pack 20 in a protruding manner, and the friction member 4b may be made of rubber, plastic, sponge, or the like, and is preferably made of rubber.

When the surface cleaning device is used, a user inserts the battery pack 20 into the battery groove 4a, the battery pack 20 supplies power to the vacuum source 2 and the water pump 18, then the cover plate 6 is opened, the dust box 7 is placed into the negative pressure cavity 3a, the cover plate 6 covers the ground brush head body 3, the cover plate 6, the dust box 7 and the ground brush head body 3 are matched to stabilize the negative pressure state in the negative pressure cavity 3a, the vacuum source 2 works to draw out air in the negative pressure cavity 3a outwards, the pressure in the negative pressure cavity 3a is smaller than that of the external atmosphere, one end of the suction channel 3c communicated with the external atmosphere generates suction, and dust, debris or hair and the like on the surface to be cleaned are sucked into the ground brush head body 3; when a user finishes cleaning, the cover plate 6 is opened, so that the user can take the dust box 7 out of the negative pressure cavity 3a through the taking and placing opening 3b, the negative pressure cavity 3a after taking out the dust box 7 can keep certain cleanliness, the user does not need to clean the negative pressure cavity 3a, the labor intensity of cleaning the surface cleaning device is reduced, the dust box 7 placed in the negative pressure cavity 3a can be disposable, the taken dust box 7 can be directly discarded, the garbage dumping operation of the user is reduced, further, the pollution of raised dust generated when garbage is dumped to an area which is cleaned is avoided, and the use feeling of the user is improved; since the present surface cleaning apparatus provides conditions for the dust box 7 to be placed on the floor brush head body 3, the above-described technical effects can be produced.

Example two

In this embodiment, as shown in fig. 12 to 16, the battery slot 4a formed in the main chassis 4 forms only one insertion opening 4a1 for inserting the battery pack 20 into the main chassis 4, when the battery pack 20 is inserted into the battery slot 4a, the top of the battery pack 20 is located outside the battery slot 4a, and the main chassis 4 is provided with a grip 4d protruding in the direction of pulling out the battery pack 20, and the grip 4d may be provided separately, or the handle 1 may be used as the grip 4d, and preferably the handle 1 is used as the grip 4 d.

When the hand is held by the holding portion 4d, at least one finger can contact the battery pack 20 and remove the battery pack 20 from the battery well 4 a. For example, the thumb points in the insertion direction of the battery pack 20, the remaining fingers hold the grip portion 4d, the thumb just contacts the battery pack 20, the thumb contacts the outer side surface of the battery pack 20, the thumb joint rotates, and the battery pack 20 is pulled out of the battery well 4a by friction.

Further, as shown in fig. 1, a protruding portion 20a is convexly disposed on an outer side wall of a top portion of the battery pack 20, the protruding portion 20a is rib-shaped, and the protruding portion 20a may also be a plurality of protruding rib-shaped portions, as a preferred structure in which the protruding portion 20a is only one rib-shaped portion in this embodiment, the protruding portion 20a is disposed along a top edge of the battery pack 20, and a top surface of the protruding portion 20a is disposed flush with a top surface of the battery pack 20, when the battery pack 20 is disposed in the battery slot 4a, the protruding portion 20a is disposed outside the battery slot 4a, when a thumb is pressed on the battery pack 20, the protruding portion 20a forms an indentation on the thumb, and the indentation cooperates with the protruding portion 20a to increase a friction force when the thumb contacts the battery pack 20, so as to facilitate a user to take the battery pack 20 out of the battery slot 4 a.

As shown in fig. 15 and 16, the main chassis 4 is further formed with a notch 4a3 communicating with the battery slot 4a, and the insertion opening 4a1 and the notch 4a3 are respectively formed on two adjacent surfaces of the main chassis 4. Further, the battery slot 4a is opened along the opening direction of the handle 1, through the opening of the notch 4a3, a notch surface 4a4 is formed on the main chassis, the notch surface 4a4 may be an arc surface or a plane, in this embodiment, a plane is adopted, an included angle is formed between the notch surface 4a4 and the axis of the handle 1, the included angle is in the range of 60 ° to 160 °, preferably, the included angle between the opening direction of the notch 4a3 and the handle 1 is 90 °, and the notch 4a3 also penetrates through the surface of the main chassis 4 at the insertion port 4a 1. Through the setting of notch 4a3, can increase when extracting battery package 20, the area of contact of finger and battery package 20, and then promote frictional force, make the extraction of battery package 20 more laborsaving.

EXAMPLE III

The present embodiment is substantially the same as the first embodiment, and the difference is that the locking mechanism in the present embodiment includes a first locking plate protruding from the cover plate 6, a second locking plate protruding from the floor brush head body 3, and a bolt, and the first locking plate and the second locking plate are both provided with insertion holes. The cover plate 6 is at least provided with two locking plates I which are distributed front and back, the floor brush head body 3 is provided with locking plates II, the number of the locking plates II is the same as that of the locking plates I, when the cover plate 6 covers the floor brush head body, the jacks on the locking plates I and the jacks on the locking plates II are aligned and communicated, and the bolts are inserted into the jacks.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (9)

1. The utility model provides a dirt box mounting structure, includes the first body of scrubbing brush, this internal negative pressure chamber that can supply the dirt box to place of seting up of scrubbing brush, and the negative pressure chamber is formed with on the first body of scrubbing brush and can supplies the dirt box to get of putting and put mouthful, its characterized in that: the inner wall of the negative pressure cavity is provided with a step surface capable of bearing a dust box along the periphery of the inner wall, the dust box mounting structure further comprises a cover plate capable of covering the pick-and-place opening, an extrusion part capable of applying pressure to the dust box is convexly arranged on the surface of one side of the cover plate facing the negative pressure cavity towards the negative pressure cavity, and a locking mechanism capable of fixing the cover plate on the ground brush head body is arranged between the ground brush head body and the cover plate.

2. The dust box mounting structure of claim 1, wherein: the extrusion part is strip-shaped and can apply pressure to the step surface, and the extrusion part is arranged along the peripheral inner wall of the negative pressure cavity.

3. The dust box mounting structure of claim 2, wherein: the extrusion part comprises a first sealing ring, the first sealing ring is arranged along the extrusion part, and at least one side face of the first sealing ring faces the step face.

4. The dust box mounting structure according to claim 1, 2 or 3, wherein: the locking mechanism comprises a first buckling piece and a switch assembly, one end of the first buckling piece protrudes towards the negative pressure cavity, a first buckling opening for the first buckling piece to be embedded into is formed in the cover plate in a concave mode, the switch assembly and the first buckling piece are arranged oppositely, and the switch assembly can limit or release the cover plate to be lifted.

5. The dust box mounting structure of claim 4, wherein: the switch assembly sets up the hasp piece on the scrubbing brush head body including the swing, it makes the hasp piece towards the rotatory elasticity of negative pressure chamber direction reset one to be equipped with between hasp piece and the scrubbing brush head body, set up the lock joint mouth two of opening towards the apron on the hasp piece, the joint lug that the protrusion set up on the apron, when the apron lid fits on the scrubbing brush head body, the joint lug is located lock joint mouth two.

6. The dust box mounting structure of claim 5, wherein: the floor brush head body is further rotatably connected with a buckling piece II, the top end of the buckling piece II protrudes towards the negative pressure cavity, the buckling piece II and the buckling piece are arranged on the same side, an elastic resetting piece III capable of enabling the buckling piece II to rotate towards the negative pressure cavity is arranged between the floor brush head body and the buckling piece II, a buckling port III is arranged on the cover plate in a concave mode corresponding to the buckling piece II, and when the cover plate covers the floor brush head body, at least one part of the buckling piece II is located in the buckling port III.

7. The dust box mounting structure of claim 6, wherein: the left side and the right side of the lock catch piece are respectively provided with at least one buckling piece II, the number of the buckling pieces I is the same as that of the buckling pieces II, and the buckling pieces I and the buckling pieces II are arranged in a one-to-one corresponding and opposite mode.

8. The dust box mounting structure according to claim 1, 2 or 3, wherein: the negative pressure cavity is internally provided with a dust box, the dust box is provided with a blocking edge which extends towards the outer side and can be placed on the step surface, and the blocking edge is positioned between the step surface and the extrusion part.

9. The dust box mounting structure of claim 8, wherein: the dust box is provided with a front plate which is inclined forwards, an included angle between the front plate and the horizontal plane is smaller than 90 degrees, a dust inlet is formed in the front plate, the inner wall of the negative pressure cavity is provided with a profiling surface matched with the front plate, a suction channel is formed in the floor brush head body, a suction inlet communicated with the negative pressure cavity is formed in the floor brush head body, a third sealing ring is arranged on the inner wall of the negative pressure cavity, and the third sealing ring is arranged along the edge of a port of the suction channel, which is located at the negative pressure cavity.

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