CN219206734U

CN219206734U - Floor sweeping machine

Info

Publication number: CN219206734U
Application number: CN202320377318.6U
Authority: CN
Inventors: 童巧波; 韦明祥; 郑军妹; 张旭东
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-06-20
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to a sweeper, which comprises a driving wheel assembly; a separation assembly; a wind deflector; the swing rod is arranged in a crossing way with the rotation axis of the wind shield, and the first end of the swing rod is connected with the wind shield; the transmission rod is vertically arranged outside the shell and is positioned below the swing rod; the linkage assembly is in driving connection with the driving wheel assembly, and the power output end can act on the transmission rod, so that the transmission rod can be driven to push the swing rod upwards when the second side of the driving wheel assembly is in an upward movement state, and the swing rod can drive the wind shield to rotate towards the direction of opening the air inlet channel to a state of opening the air inlet channel; or when the second side of the driving wheel assembly is in a downward movement state, the transmission rod is in a downward movement state, and the swing rod can drive the wind shield to rotate towards the direction of closing the air inlet channel to a state of blocking the air inlet channel. Prevent the sewage and garbage in the chamber of the separating assembly from flowing to the ground through the air inlet channel and the cleaning unit to pollute the ground.

Description

Floor sweeping machine

Technical Field

The utility model belongs to the technical field of household washing and sweeping, and particularly relates to a sweeper.

Background

The cleaning unit of the sweeper sucks the mixture of dust and the like mixed with water vapor on the ground into the inner cavity of the cleaning unit, and in order to separate the mixture of dust particles and water vapor, a separating device is generally adopted in the sweeper at present for separation.

As a Chinese patent of the utility model of the applicant, a separating structure for a cleaning machine and a cleaning machine, the patent No. zl202221605316.X (issued publication No. CN 217852796U) discloses a separating structure for a cleaning machine, comprising a housing having a chamber therein, the chamber having an air inlet channel and an air outlet, the air outlet being located on top of the chamber; the separating piece is located in the cavity and comprises a first annular wall and a second annular wall which extend vertically, the first annular wall surrounds the periphery of the air outlet to form a first flow channel communicated with the air outlet, the second annular wall surrounds the periphery of the first annular wall and forms a second flow channel with the first annular wall, a first air passing opening communicated with the first flow channel is formed in the position, facing the outlet of the air inlet channel, of the first annular wall, a second air passing opening communicated with the first flow channel and the second air passing opening of the second annular wall are formed in the position, facing the outlet of the air inlet channel, of the second annular wall, and the second air passing opening and the first air passing opening are arranged in a staggered mode. The air inlet channel is communicated with a cleaning module (cleaning unit) of the cleaner, and in the actual use process, the condition that a user lifts the cleaner or the cleaner tilts occurs, and sewage in the dust cavity (cavity) flows out through the cleaning unit to pollute the ground.

Therefore, there is a need for further improvements to existing floor sweepers.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the sweeper capable of preventing water in a cavity from flowing out to the ground through a cleaning unit when the sweeper is lifted or toppled over.

The technical scheme adopted for solving the technical problems is as follows: a sweeper, comprising:

a body;

a cleaning unit;

the driving wheel assembly is used for driving the machine body to walk forwards, is arranged along the front-back direction, and is rotatably arranged on the machine body on the first side of the front side and the back side so that the second side of the front side and the back side swings up and down relative to the machine body and is configured to: the second side is in a swinging state during the period that the bottom of the driving wheel assembly is completely contacted with the ground, and the second side is in a swinging state during the period that the bottom of the driving wheel assembly is separated from the ground due to the upward lifting of the sweeper under the action of external force;

the separating component is used for separating at least dust and water, is arranged on the machine body, and comprises a shell with a cavity inside and an air inlet channel used for communicating the cavity with a cleaning unit of the sweeper;

the wind shield can be rotatably arranged on the air inlet channel so as to open or block the air inlet channel;

it is characterized in that the method also comprises the following steps:

the swing rod is at least partially arranged outside the shell, is arranged in a crossing way with the rotating axis of the wind shield, and the first end of the swing rod is connected with the wind shield and is used for driving the wind shield to rotate;

the transmission rod is vertically arranged outside the shell and is positioned below the swing rod;

the power output end of the linkage assembly is in driving connection with the driving wheel assembly, and the power output end of the linkage assembly can act on the transmission rod, so that the transmission rod can be driven to push the swing rod upwards when the second side of the driving wheel assembly is in an upward movement state, and the swing rod can further drive the wind shield to rotate towards the direction of opening the air inlet channel to a state of opening the air inlet channel; or when the second side of the driving wheel assembly is in a downward movement state, the transmission rod is in a downward movement state, and the swing rod can drive the wind shield to rotate to a state of blocking the air inlet channel towards the direction of closing the air inlet channel. The sweeper is lifted upwards and also comprises a condition that the sweeper is toppled by an obstacle.

The linkage assembly may be disposed between the drive wheel assembly and the disconnect assembly, or may be disposed before or after the disconnect assembly, but preferably the linkage assembly is disposed between the drive wheel assembly and the disconnect assembly.

The linkage assembly has various structural forms, can adopt a structure similar to a seesaw, can also adopt other structural forms, the seesaw extends along the length direction of the rotation axis of the swinging rod, but preferably, the linkage assembly comprises a connecting rod and a rotating piece which is arranged to be capable of rotating relative to the machine body, the connecting rod is rotatably arranged on the machine body adjacent to the middle position and the rotation axis of the connecting rod extends along the length direction of the rotation axis of the swinging rod, the first end of the connecting rod is provided with an extending groove which extends along the length direction of the connecting rod, the driving wheel assembly is provided with an inserting part which is in sliding fit with the extending groove, the second end of the connecting rod is provided with a guide post which extends towards the direction of the separation assembly, the first side wall of the rotating piece is provided with a guide groove which extends along the direction crossing the length direction of the rotation axis of the swinging rod so as to be in guiding fit with the guide post, and the lower end of the driving rod is positioned on the rotating path of the second end of the rotating piece.

In order to realize the rotation connection of the rotating piece and the machine body, the rotating piece is provided with two supporting legs which are arranged at intervals along the length direction of the rotation axis of the swing rod, a notch for inserting the connecting piece is formed between the two supporting legs, the connecting piece is relatively and fixedly connected to the machine body, and the supporting legs can be rotatably arranged on the connecting piece.

Preferably, the machine body comprises a bottom shell and a cover shell, a through hole is formed in the position, corresponding to the driving wheel assembly, of the bottom shell, the cover shell covers the bottom shell and corresponds to the through hole, a space for accommodating the driving wheel assembly is formed between the cover shell and the cover shell in a surrounding mode, the connecting rod is rotatably arranged on the outer wall of the cover shell, the driving wheel assembly is provided with an extending foot extending upwards at the position corresponding to the extending groove, an opening for the extending foot to penetrate out is formed in the cover shell, and the inserting part is arranged on the portion, outside the opening, of the extending foot. The existence of the housing protects the driving wheel assembly.

The first end of the oscillating bar may be connected to the top of the rotating wind deflector or to the bottom of the wind deflector or to the side of the wind deflector, but preferably the first end of the oscillating bar is connected to the top of the wind deflector and the plug-in part is located on the first side of the driving wheel assembly.

In order to facilitate the movement of the driving rod, the first side of the driving wheel assembly is the front side, a driving part is arranged on one side of the rotating piece, which is close to the separating assembly, and the lower end of the driving rod abuts against the driving part when the driving rod is in an upward movement state.

The driving part is in a structure form of only an extension plate, or a form of matching an extension column and the extension plate, but preferably, the driving part comprises an extension column and an extension plate, the extension column extends along the length direction of the rotation axis of the swing rod and is positioned in front of the transmission rod, the extension plate gradually inclines downwards from the bottom of the extension column from front to back, and the lower end of the transmission rod is propped against the corresponding position of the top surface of the extension plate when the transmission rod is in an upward movement state.

In order to reliably realize the walking of the sweeper, the driving wheel assemblies are divided into two groups, the driving wheel assemblies are spaced along the left-right direction, the separation assembly is positioned between the two groups of driving wheel assemblies, and the air inlet channel is close to one group of driving wheel assemblies.

In order to enable the wind shield to have the trend of automatically closing the air inlet channel, the wind shield also comprises an elastic piece which enables the wind shield to always have the trend of blocking the air inlet channel, and the elastic piece acts on the wind shield.

The elastic piece can be in the form of a torsion spring or a tension spring, but preferably, the wind shield is arranged in the air inlet channel through a rotating shaft, the axis of the rotating shaft is the rotating axis of the swing rod, the elastic piece is a torsion spring sleeved on the rotating shaft, the first end of the torsion spring is propped against the back surface of the wind shield, and the second end of the torsion spring is propped against the corresponding position of the air inlet channel.

Preferably, the air inlet channel is provided with an air inlet section extending along the front-rear direction, and the wind shield is arranged in an inner cavity of the air inlet section.

Preferably, the air inlet channel is provided with an air inlet section which is partially formed on the outer side wall of the shell, the wind shield is arranged in the inner cavity of the air inlet section, and the swing rod is arranged on the outer side wall of the air inlet section.

In order to provide a limiting space for the movement of the swing rod, a limiting piece is arranged on the outer side wall of the air inlet section, the limiting piece is provided with a limiting space in which the swing rod is located, and the swing rod can be rotatably arranged in the limiting space.

The transmission rod is restrained on the separating assembly in an up-and-down motion mode, and is restrained on the machine body in an up-and-down motion mode, but preferably, the transmission rod is restrained on the outer side wall of the air inlet section in an up-and-down motion mode.

In order to hide the swing rod and the transmission rod, the outer side wall of the air inlet section is provided with a cover body, the cover body and the outer side wall of the air inlet section are enclosed to form a containing space, the transmission rod is arranged on the bottom wall of the cover body in a penetrating mode, and the upper end of the transmission rod and the swing rod are always located in the containing space.

Compared with the prior art, the utility model has the advantages that: the swing rod in the sweeper is connected to the rotating shaft of the wind shield, is arranged in a crossing manner with the rotating shaft and is positioned on the transmission rod, and the transmission rod can move up and down under the transmission of the driving wheel assembly and the linkage assembly, namely, the second side of the driving wheel assembly moves upwards during the period that the bottom of the driving wheel assembly is completely contacted with the ground, so that the transmission rod is pushed to push the swing rod upwards, at the moment, the swing rod drives the wind shield to rotate to open an air inlet channel, and the separated air flow is discharged during the normal operation of the sweeper; when the sweeper is lifted or dumped to enable the driving wheel assembly to be in a non-contact ground-leaving state with the ground, the second side of the driving wheel assembly moves downwards to release the abutting of the transmission rod, at the moment, the transmission rod can move downwards to drive the swing rod to rotate to the wind shield to close the air inlet channel, so that sewage and garbage in the cavity of the separation assembly are prevented from flowing to the ground through the air inlet channel and the cleaning unit to pollute the ground, and the reliability of the sweeper is improved.

Drawings

Fig. 1 is a schematic structural view of a sweeper according to the present embodiment;

FIG. 2 is a schematic view of a portion of the air intake channel in FIG. 1 in an open state;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a schematic view of a portion of the air intake channel in FIG. 1 in a closed state;

FIG. 6 is a schematic view of a portion of the structure of FIG. 5;

FIG. 7 is a cross-sectional view of FIG. 6;

fig. 8 is a schematic view of another angle of fig. 6.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 8, the floor sweeper of the present embodiment includes an organism 1, a driving wheel assembly 2, a separating assembly 3, a wind deflector 4, a rotating shaft (not shown), a swing link 6, a driving rod 7, a linkage assembly 8, an elastic member, and a cleaning unit 01 for cleaning a floor to be cleaned. Wherein, organism 1 includes drain pan 10 and housing 12, separation subassembly 3 sets up on drain pan 10. The driving wheel assembly 2 is arranged on the machine body 1 and is used for driving the machine body 1 to walk forwards. The specific structures of the driving wheel assembly 2 and the cleaning unit in this embodiment adopt structures in the prior art, and detailed descriptions thereof will be omitted.

The driving wheel assembly 2 is used for driving the machine body 1 to walk forwards and is arranged along the front-rear direction. In this embodiment, as shown in fig. 1, there are two sets of driving wheel assemblies 2, and the separation assembly 3 is located between the two sets of driving wheel assemblies 2 along the left-right direction, and the air inlet channel 31 of the separation assembly 3 is near the right driving wheel assembly 2, or near the left driving wheel assembly 2. The two sets of drive wheel assemblies are identical in construction and installation, one of which is described below as an example. As shown in fig. 2 and 5, the bottom case 10 is provided with a through hole 101 at a position corresponding to the driving wheel assemblies 2, the casing 12 covers the bottom case 10 and corresponds to the through hole 101, and a space for accommodating the driving wheel assemblies 2 is formed between the casing 12 and the bottom case 10, so that each driving wheel assembly 2 corresponds to one casing 12. The first side of the front and rear sides of the driving wheel assembly 2 is rotatably disposed on the machine body 1 so that the second side of the front and rear sides swings up and down relative to the machine body 1, the second side is in a swinging state during the period that the bottom of the driving wheel assembly 2 is completely contacted with the ground, and the second side is in a swinging state during the period that the sweeper is lifted or toppled up under the action of external force so that the bottom of the driving wheel assembly 2 is separated from the ground. In the present embodiment, the first side of the drive wheel assembly 2 is the front side and the second side is the rear side.

Along the airflow path, the separation assembly 3 is located between the cleaning unit 01 and a fan (not shown), the cleaning unit 01 being located upstream of the separation assembly. The separation assembly 3 comprises a housing 30 having a chamber 300 therein and an air inlet channel 31 communicating the chamber 300 with the cleaning unit 01, the air inlet channel 31 being adapted to feed air tangentially into the chamber 300 inside the separation assembly 3. The exhaust port of the separation assembly 3 is communicated with the inlet of the fan, and negative pressure is formed in the cleaning unit 01 and the separation assembly 3 under the action of the fan, so that dust, water, particles and other garbage are sucked into the cleaning unit 01 through the dust suction port of the cleaning unit 01, then the gas separated by the separation assembly 3 is exhausted, and the separated sewage is stored in the chamber 300 of the separation assembly.

As shown in fig. 6 and 8, the air inlet channel 31 has an air inlet section 311 partially formed on the outer sidewall of the housing, and the air inlet section 311 extends along the front-rear direction, so as to prevent the sewage in the chamber 30 from flowing out to the floor to be cleaned through the air inlet channel 31 and the cleaning unit to pollute the floor when the sweeper is lifted or the sweeper is tilted. The top of the wind shield 4 is rotatably disposed in the air inlet section 311 of the air inlet channel 31 through a rotation shaft, so as to block the inner cavity of the air inlet section 311 and open the inner cavity of the air inlet section 311, in this embodiment, as shown in fig. 4, the wall plate of the air inlet channel and the wind shield 4 are correspondingly provided with a shaft hole 43 in which the rotation shaft is mounted, and the rotation shaft extends along the left-right direction. The elastic element acts on the wind deflector 4 and keeps the wind deflector 4 always prone to blocking the air intake channel 31. In this embodiment, the elastic member is a torsion spring 9 sleeved on the rotating shaft, a first end of the torsion spring 9 abuts against the back surface of the wind shield 4, and a second end of the torsion spring 9 abuts against the corresponding position of the air inlet channel 31.

As shown in fig. 5, the outer side wall of the air inlet section 311 is provided with a cover body 33, the cover body 33 and the outer side wall of the air inlet section 311 enclose to form a containing space, the transmission rod 7 is arranged on the bottom wall of the cover body 33 in a penetrating manner, the upper end of the transmission rod 7 and the swinging rod 6 are always located in the containing space, in this embodiment, the transmission rod 7 is vertically arranged and can be restrained on the outer side wall of the air inlet section 311 in a vertically moving manner, the top of the transmission rod 7 is provided with a limiting part 71 limiting the transmission rod 7 to downwards penetrate out of the bottom wall of the cover body 33, and the limiting part 71 is spherical. The swing rod 6 is disposed on the outer sidewall of the air inlet section 311 and is located above the transmission rod 7. Specifically, the above-mentioned swing link 6 is located locally outside the housing 30, and the first end of the swing link 6 is disposed on the upper portion of the wind deflector 4 and is coaxially disposed with the rotating shaft, then the axis of the rotating shaft is the rotation axis of the swing link 6, and the swing link 6 is disposed to intersect with the rotating shaft, in this embodiment, the swing link 6 is perpendicular to the rotating shaft. In order to realize the installation of the first end of the swing rod 6 and the wind deflector 4, a direct forming mode may be adopted, in this embodiment, the first end of the swing rod 6 is provided with an extension rod 61 extending along the length direction of the rotating shaft, and the extension rod 61 is relatively fixed on the wind deflector 4. In addition, a limiting piece 32 is disposed on the outer sidewall of the air inlet section 311, the limiting piece 32 is disposed in the accommodating space, a limiting space 321 in which the swing rod 6 is disposed is provided in the limiting space 321, and the swing rod 6 is rotatably disposed in the limiting space 321.

In order to realize the up-and-down movement of the transmission rod 7, as shown in fig. 3, 6 and 7, the linkage assembly 8 is arranged between the driving wheel assembly 2 and the separation assembly 3, and the power output end of the linkage assembly 8 is in driving connection with the driving wheel assembly 2, the power output end of the linkage assembly 8 can act on the transmission rod 7, so that when the second side of the driving wheel assembly 2 is in an upward movement state, the transmission rod 7 can be driven to push the swing rod 6 upwards, and the swing rod 6 drives the wind shield 4 to rotate towards the direction of opening the air inlet channel 31 to a state of opening the air inlet channel 31; or, in the state that the second side of the driving wheel assembly 2 is in the downward movement, the transmission rod 7 is in the downward movement, so that the swing rod 6 can drive the wind shield 4 to rotate towards the direction of closing the air inlet channel 31 to the state of blocking the air inlet channel 31. The transmission rod 7 can move downwards under the action of self gravity.

In this embodiment, as shown in fig. 3, 6 and 7, the linkage assembly 8 includes a link 81 and a rotating member 82. Wherein a link 81 is rotatably provided on an outer wall of the housing 12 of the machine body 1 at a position adjacent to the middle, and a rotation axis of the link 81 extends in a longitudinal direction of the rotation shaft, that is, in a left-right direction. An extension groove 811 extending along the length direction of the first end of the connecting rod 81 is formed in the first end of the connecting rod 81, an extension leg 21 extending upward is provided on the front side of the driving wheel assembly 2 at a position corresponding to the extension groove 811, an opening 121 through which the extension leg 21 passes is formed in the housing 12, and an insertion portion 211 slidably engaged with the extension groove 811 is provided on a portion of the extension leg 21 located outside the opening; the second end of the connecting rod 81 is provided with a guide post 812 extending in the direction of the separation assembly 3.

As shown in fig. 2 and 5, the top surface of the bottom case 10 is provided with a connection member 11, the rotation member 82 is U-shaped and has two legs 822 spaced apart along the length direction of the rotation shaft, a gap 823 is formed between the two legs 822 for the connection member 11 to be inserted therein, and the legs 822 are rotatably provided on the connection member 11, so that the rotation member 82 is arranged to be rotatable with respect to the body 1. In order to achieve the engagement of the rotating member with the connecting rod, the first side wall of the rotating member 82 facing the guide column 812 is provided with a guide groove 821 extending in a direction intersecting the longitudinal direction of the rotating shaft to be in guide engagement with the guide column 812, and the guide groove 821 in this embodiment is arranged in the front-rear direction. In order to realize the pushing of the rotating member 82 to the transmission rod 7, a driving portion 824 is disposed on a side of the rotating member 82, which is close to the separation assembly 3, the driving portion 824 includes an extending column 8241 and an extending plate 8242, the extending column 8241 extends along the length direction of the rotating shaft and is located in front of the transmission rod 7, and the extending plate 8242 gradually inclines downwards from the bottom of the extending column 8241 from front to back and is connected with the rotating member 82 through a connecting plate. The lower end of the transmission rod 7 is located on the rotation path of the extension plate 8242 of the rotation member 82. In the state that the transmission rod 7 is in the upward movement, the lower end of the transmission rod 7 abuts against the corresponding position of the top surface of the extension plate 8242. In the state that the transmission rod 7 is in the downward movement, a gap is left between the extension plate 8242 and the lower end of the transmission rod 7.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "left", "right", "side", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Since the disclosed embodiments of the utility model may be arranged in different orientations.

Claims

1. A sweeper, comprising:

a machine body (1);

a cleaning unit;

the driving wheel assembly (2) is used for driving the machine body (1) to walk forwards, is arranged along the front-back direction, and is rotatably arranged on the machine body (1) on the first side of the front side and the back side so that the second side of the front side and the back side swings up and down relative to the machine body (1) and is configured to: the second side is in a swinging state during the period that the bottom of the driving wheel assembly (2) is completely contacted with the ground, and the second side is in a swinging state during the period that the bottom of the driving wheel assembly (2) is separated from the ground due to the fact that the sweeper is lifted upwards under the action of external force;

a separation assembly (3) for separating at least dust and water, arranged on the machine body (1), and comprising a housing (30) having a chamber (300) therein and an air inlet channel (31) for communicating the chamber (300) with the cleaning unit (01);

a wind deflector (4) rotatably provided on the air intake passage (31) to open or block the air intake passage (31);

it is characterized in that the method also comprises the following steps:

the swing rod (6) is at least partially arranged outside the shell (30) and is crossed with the rotation axis of the wind deflector (4), and a first end of the swing rod (6) is connected with the wind deflector (4) and is used for driving the wind deflector (4) to rotate;

a transmission rod (7) which is vertically arranged outside the shell (30) and is positioned below the swing rod (6);

the power output end of the linkage assembly (8) is in driving connection with the driving wheel assembly (2), and the power output end of the linkage assembly can act on the transmission rod (7), so that the transmission rod (7) can be driven to push the swing rod (6) upwards when the second side of the driving wheel assembly (2) is in an upward movement state, and the swing rod (6) can further drive the wind shield (4) to rotate towards the direction of opening the air inlet channel (31) to a state of opening the air inlet channel (31); or when the second side of the driving wheel assembly (2) is in a downward movement state, the transmission rod (7) is in a downward movement state, and the swing rod (6) can drive the wind shield (4) to rotate to a state of blocking the air inlet channel (31) towards the direction of closing the air inlet channel (31).

2. The sweeper of claim 1, wherein: the linkage assembly (8) is arranged between the driving wheel assembly (2) and the separation assembly (3).

3. The sweeper of claim 2, wherein: the linkage assembly (8) comprises a connecting rod (81) and a rotating piece (82) which is arranged to rotate relative to the machine body (1), the connecting rod (81) is rotatably arranged on the machine body (1) at a position adjacent to the middle, the rotating axis of the connecting rod extends along the length direction of the rotating axis of the swinging rod (6), an extending groove (811) which extends along the length direction of the connecting rod is formed in the first end of the connecting rod (81), an inserting part (211) which is in sliding fit with the extending groove (811) is formed in the driving wheel assembly (2), a guide column (812) which extends towards the direction of the separation assembly (3) is arranged at the second end of the connecting rod (81), a guide groove (821) which extends along the direction crossing the length direction of the rotating axis of the swinging rod (6) and is in guide fit with the guide column (812) is formed in the first side wall of the rotating piece (82), and the lower end of the driving rod (7) is located on the rotating path of the second end of the rotating piece (82).

4. The sweeper of claim 1, wherein: the rotating piece (82) is provided with two supporting legs (822) which are arranged at intervals along the length direction of the rotating axis of the swinging rod (6), a gap (823) for inserting the connecting piece (11) is formed between the two supporting legs (822), the connecting piece (11) is relatively and fixedly connected to the machine body (1), and the supporting legs (822) can be rotatably arranged on the connecting piece (11).

5. A sweeper according to claim 3, characterized in that: the machine body (1) comprises a bottom shell (10) and a cover shell (12), a through hole (101) is formed in the position, corresponding to the driving wheel assembly (2), of the bottom shell (10), the cover shell (12) covers the position, corresponding to the through hole (101), of the bottom shell (10), a space for accommodating the driving wheel assembly (2) is formed between the cover shell and the bottom shell (10), a connecting rod (81) is rotatably arranged on the outer wall of the cover shell (12), an extending foot (21) extending upwards is arranged at the position, corresponding to an extending groove (811), of the driving wheel assembly (2), an opening (121) for the extending foot (21) to penetrate is formed in the cover shell (12), and the inserting part (211) is arranged on the portion, outside the opening, of the extending foot (21).

6. A sweeper according to claim 3, characterized in that: the first end of the swing rod (6) is connected with the top of the wind shield (4), and the inserting part (211) is positioned on the first side of the driving wheel assembly (2).

7. The sweeper of claim 6, wherein: the first side of the driving wheel assembly (2) is the front side, one side of the rotating piece (82) close to the separation assembly (3) is provided with a driving part (824), and the lower end of the driving rod (7) abuts against the driving part (824) when the driving rod (7) is in an upward movement state.

8. The sweeper of claim 7, wherein: the driving part (824) comprises an extending column (8241) and an extending plate (8242), the extending column (8241) extends along the length direction of the rotation axis of the swing rod (6) and is located in front of the transmission rod (7), the extending plate (8242) gradually inclines downwards from front to back from the bottom of the extending column (8241), the transmission rod (7) is in an upward movement state, and the lower end of the transmission rod (7) is propped against the corresponding position of the top surface of the extending plate (8242).

9. The sweeper of claim 1, wherein: the driving wheel assemblies (2) are arranged in two groups, the driving wheel assemblies are spaced along the left-right direction, the separation assembly (3) is positioned between the two groups of driving wheel assemblies (2), and the air inlet channel (31) is close to one group of driving wheel assemblies (2).

10. The sweeper of claim 1, wherein: the wind deflector (4) is provided with an elastic piece which always has the trend of blocking the air inlet channel (31), and the elastic piece acts on the wind deflector (4).

11. The sweeper of claim 10, wherein: the wind shield (4) is arranged in the air inlet channel (31) through the rotating shaft (5), the axis of the rotating shaft (5) is the rotating axis of the swing rod (6), the elastic piece is a torsion spring (9) sleeved on the rotating shaft (5), the first end of the torsion spring (9) is propped against the back surface of the wind shield (4), and the second end of the torsion spring (9) is propped against the corresponding position of the air inlet channel (31).

12. The sweeper of claim 7, wherein: the air inlet channel (31) is provided with an air inlet section (311) extending along the front-rear direction, and the wind shield (4) is arranged in the inner cavity of the air inlet section (311).

13. The sweeper according to any one of claims 1 to 11, characterized in that: the air inlet channel (31) is provided with an air inlet section (311) which is partially formed on the outer side wall of the shell, the wind shield (4) is arranged in the inner cavity of the air inlet section (311), and the swing rod (6) is arranged on the outer side wall of the air inlet section (311).

14. The sweeper of claim 13, wherein: the air inlet section (311) is provided with a limiting part (32) on the outer side wall, the limiting part (32) is provided with a limiting space (321) in which the swing rod (6) is located, and the swing rod (6) can be rotatably arranged in the limiting space (321).

15. The sweeper of claim 13, wherein: the transmission rod (7) is restrained on the outer side wall of the air inlet section (311) in an up-and-down motion mode.

16. The sweeper of claim 13, wherein: the novel air inlet device is characterized in that a cover body (33) is arranged on the outer side wall of the air inlet section (311), a containing space is formed by enclosing the cover body (33) and the outer side wall of the air inlet section (311), a transmission rod (7) is arranged on the bottom wall of the cover body (33) in a penetrating mode, and the upper end of the transmission rod (7) and the swing rod (6) are always located in the containing space.