CN220937958U

CN220937958U - Floor brush structure for cleaning machine and cleaning machine

Info

Publication number: CN220937958U
Application number: CN202322650924.3U
Authority: CN
Inventors: 秦建恒; 曹斌; 郑军妹; 张旭东; 曹浪; 占德友; 蒲客兵
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-05-14
Anticipated expiration: 2033-09-28

Abstract

The utility model relates to a floor brush structure for a cleaning machine and the cleaning machine, wherein the floor brush structure for the cleaning machine comprises a shell, a rolling brush, a front scraping strip, a transmission shaft, a first driving mechanism, a swing arm and a second driving mechanism, wherein a first end of the swing arm is sleeved on the transmission shaft, and a second end of the swing arm is connected with the front scraping strip; and the power output end of the second driving mechanism is in driving connection with the swing arm and is used for driving the first end of the swing arm to swing up and down around the roll shaft. The second end of the swing arm is driven by the second driving mechanism to enable the first end of the swing arm to rotate around the transmission shaft, and the swing of the swing arm is more reliable and stable and is not influenced by the ground.

Description

Floor brush structure for cleaning machine and cleaning machine

Technical Field

The utility model belongs to the technical field of household washing and cleaning, and particularly relates to a floor brush structure for a cleaning machine and the cleaning machine.

Background

Cleaning machine is like washing ground machine or machine of sweeping the floor, mostly adopts leading round brush structure, through set up the round brush that can rotate relative casing in the casing front side, just can sweep the brush to the area that the round brush rotated to cover and clean, and very convenient, and when the operation in wet environment, the wiper strip that sets up around the round brush can play better water-scraping effect, avoids the water stain to remain.

The existing wiper strip mostly adopts a fixed connection mode, the setting angle of the wiper strip cannot be changed, so that although the wiper can be realized, the wiper strip can prevent larger particles or hairs from being collected when the floor brush module advances, so that a part of sundries and dust are always free outside a shell of the floor brush module, and the floor brush module needs to be cleaned manually and independently, so that the floor brush module is quite inconvenient.

For this reason, as in chinese patent application No. ZL201520816165.6 (issued publication No. CN 205197901U), a vacuum cleaner is disclosed, in which a rotatable scraping bar is provided on the front side of the vacuum cleaner, but the scraping bar is not driven by external power, and only the scraping bar can be turned over along with the friction force generated by the ground when the brush module moves forward or moves backward, so that the turning over form is very dependent on the flatness of the ground, and after long-term use, many cases will cause failure in opening the scraping bar.

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

Disclosure of utility model

The first technical problem to be solved by the present utility model is to provide a floor brush structure for a cleaning machine, in which a scraping strip can be stably turned over, aiming at the current state of the art.

The second technical problem to be solved by the utility model is to provide a cleaning machine with the floor brush structure.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a brush structure for cleaning machine, with the direction of travel of cleaning machine as the front, includes:

A housing having a chamber with an open bottom and extending in a left-right direction, the housing having an air outlet communicating with the chamber;

The rolling brush comprises a roll shaft arranged in the cavity and a brush piece arranged on the peripheral surface of the roll shaft, and the brush piece is partially positioned below the opening and used for brushing the ground;

the front scraping strip is arranged at the front side of the opening and extends along the left-right direction;

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

A transmission shaft coaxially arranged with the roller shaft and mounted on one of left and right ends of the roller shaft;

the power output end of the first driving mechanism is in driving connection with the transmission shaft and is used for driving the transmission shaft and the roll shaft to rotate around the axis of the first driving mechanism;

The first end of the swing arm is sleeved on the transmission shaft, and the second end of the swing arm is connected with the front scraping strip;

And the power output end of the second driving mechanism is in driving connection with the swing arm and is used for driving the first end of the swing arm to swing up and down around the roll shaft.

The second driving mechanism has various structural forms, but preferably, the second driving mechanism comprises a second motor, a first linkage gear and a transmission gear assembly, the first linkage gear comprises a first gear and a second gear which are coaxially arranged and synchronously rotate, the first gear is sleeved on the periphery of the transmission shaft, the first end of the swing arm is sleeved on the periphery of the first gear and meshed with the first gear, an output shaft of the second motor is in driving connection with the transmission gear assembly, and an output gear of the transmission gear assembly is meshed with the second gear.

Preferably, the transmission gear assembly comprises a second linkage gear, a first driven gear and a worm which is arranged in a crossing way with the roll shaft, the worm is arranged on an output shaft of the second motor, the second linkage gear comprises a turbine and a second driven gear which are coaxially arranged and synchronously rotate, the turbine is meshed with the worm, and the first driven gear is an output gear of the transmission gear assembly and is meshed with the second driven gear.

The first driving mechanism has various structural forms, can adopt a motor, a driving gear and a driven gear, wherein the driving gear is arranged on an output shaft of the motor and is meshed with the driven gear, the driven gear is arranged on a transmission shaft, and can also adopt other modes, but preferably, the first driving mechanism comprises a first motor, a driving gear, a third gear and a transmission belt, the output shaft of the first motor and the roll shaft are arranged at intervals side by side, the driving gear is arranged on the output shaft of the first motor, the third gear is arranged on the transmission shaft, and the transmission belt surrounds the peripheries of the driving gear and the third gear and is meshed with the driving gear and the third gear.

Preferably, the driving gear is located behind the third gear, and the second driving mechanism is located in front of the driving gear.

In order to realize stable swinging of the front scraping strip, the transmission shaft is positioned at the first end of the roll shaft, a connecting shaft coaxially arranged with the transmission shaft is arranged at the second end of the roll shaft, and the connecting shaft is connected with the front scraping strip through a connecting arm.

Preferably, the upper edge of the front scraping strip is provided with a mounting shaft extending along the left-right direction, and two ends of the mounting shaft are respectively mounted on the swing arm and the connecting arm.

In order to limit the swing stroke of the connecting arm, the connecting arm is located at the outer side of the cavity, two limiting parts are arranged at positions of the shell corresponding to the connecting arm, the limiting parts are arranged at intervals up and down along the swing direction of the connecting arm, and the swing of the connecting arm is limited between the two limiting parts.

In order to protect the first driving mechanism and the second driving mechanism, the novel electric motor further comprises a box body, wherein a containing space is formed in the box body, and parts of the first driving mechanism and the second driving mechanism are located in the containing space.

In order to scrape the floor better and block the garbage at the same time, so that the garbage can enter the cavity better, a rear scraping strip for scraping the floor to be cleaned is arranged on the rear side edge of the opening, and the rear scraping strip extends along the left-right direction.

Preferably, the front scraping strip has two states, in the first state, the front scraping strip swings upwards to leave a gap with the floor to be cleaned, and the cleaning machine is in a forward state; in the second state, the front scraping strip swings downwards to be in interference with the floor to be cleaned, and the cleaning machine is in a retreating state. Therefore, when advancing, the garbage can better enter the cavity, and the garbage is prevented from being blocked; when backing, carry out the scraping to subaerial water stain better, avoid subaerial residual water stain.

The utility model solves the second technical problem by adopting the technical proposal that: the cleaning machine further comprises a ground brush structure, a separation structure for separating fluid and a fan for providing a negative pressure source, wherein the ground brush structure, the separation structure and the fan are sequentially arranged along a fluid flow path.

The cleaning machine may be a sweeper or a scrubber, but preferably the cleaning machine is a scrubber, and the separating structure and the blower are both located above the floor brush structure.

Compared with the prior art, the utility model has the advantages that: in the ground brush structure, the first end of the swing arm is sleeved on the transmission shaft, the second end of the swing arm is driven by the second driving mechanism to enable the first end of the swing arm to rotate around the transmission shaft, and the swing of the swing arm is more reliable and stable and is not influenced by the ground; the transmission shaft and the roll shaft are coaxially arranged and synchronously rotate, the rotation axes of the scraping strips and the rolling brush are consistent, namely, the scraping strips coaxially rotate, the rotation of the scraping strips does not interfere with the rotation of the transmission shaft, the size of a gap between the scraping strips and the ground can be changed according to actual needs, and the requirements of users can be met.

Drawings

Fig. 1 is a schematic view of a part of a ground brush structure in which a wiper strip is in a second state;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a cross-sectional view of a portion of the structure of FIG. 1;

FIG. 5 is another angular cross-sectional view of a portion of the structure of FIG. 1;

Fig. 6 is a schematic view of a part of the structure of the floor brush according to the present embodiment in the first state.

Detailed Description

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

The cleaning machine of this embodiment is a floor scrubber, and the following is directed forward of the floor scrubber.

The floor scrubber comprises a floor brush structure, a separation structure for separating fluid and a fan for providing a negative pressure source, wherein the floor brush structure, the separation structure and the fan are sequentially arranged along a fluid flow path, and the separation structure and the fan are both positioned above the floor brush structure. The structure of the floor washing machine is in the prior art, and detailed description thereof will not be repeated in this embodiment.

As shown in fig. 1 to 6, the floor brush structure of the present embodiment includes a housing 1, a rolling brush 2, a front scraping bar 3, a transmission shaft 4, a first driving mechanism 5, a swing arm 6, a case 8, a rear scraping bar 9, and a second driving mechanism 7. Wherein, the inside of the shell 1 is provided with a cavity 10 with an opening 101 at the bottom and extending along the left-right direction, and the shell 1 is provided with an air outlet communicated with the cavity 10.

The roller brush 2 includes a roller shaft 21 provided in the chamber 10 and a brush member 22 provided on an outer peripheral surface of the roller shaft 21, the brush member 22 being located partially under the opening 101 for brushing the ground. The brush member adopts any structure in the prior art, and detailed description thereof will be omitted in this embodiment.

A rear scraping bar 9 for scraping the floor to be cleaned is installed at the rear side edge of the opening 101, and the rear scraping bar 9 extends in the left-right direction. The front wiper strip 3 is provided at the front side of the opening 101 and extends in the left-right direction. In the present embodiment, the upper edge of the front wiper strip 3 is provided with a mounting shaft 31 extending in the left-right direction. The transmission shaft 4 is coaxially arranged with the roller shaft 21 and is mounted on one of the left and right ends of the roller shaft 21. In this embodiment, the drive shaft 4 is mounted on a first end of the roller shaft 21. A second end of the roll shaft 21 is provided with a connecting shaft 23 coaxially arranged with the drive shaft 4, the connecting shaft 23 being connected to the front wiper strip 3 via a connecting arm 24. Specifically, both ends of the mounting shaft 31 of the front wiper strip 3 are mounted on the swing arm 6 and the connecting arm 24, respectively.

As shown in fig. 5, the housing 8 has a receiving space 81 therein, the first driving mechanism 5 and the second driving mechanism 7 are disposed on the same side, and portions of the first driving mechanism 5 and the second driving mechanism 7 are located in the receiving space 81. In this embodiment, the power output end of the first driving mechanism 5 is connected with the driving shaft 4 in a driving manner, so as to drive the driving shaft 4 and the roller shaft 21 to rotate around the axis thereof. In this embodiment, the first driving mechanism 5 includes a first motor 51, a driving gear 52, a third gear 53 and a driving belt 54 disposed in the accommodating space 81. Wherein, the output shaft of the first motor 51 and the roller shaft 21 are arranged side by side at intervals, and the driving gear 52 is mounted on the output shaft of the first motor 51 and is positioned behind the third gear 53. The third gear 53 is mounted on the drive shaft 4, and a drive belt 54 is wound around the peripheries of the drive gear 52 and the third gear 53, and meshes with the drive gear 52 and the third gear 53.

The first end of the swing arm 6 is sleeved on the transmission shaft 4, and the second end of the swing arm 6 is connected with the mounting shaft 31 of the front scraping strip 3. In order to realize the swing of the swing arm 6, the power output end of the second driving mechanism 7 is in driving connection with the swing arm 6 and is used for driving the first end of the swing arm 6 to swing up and down around the roll shaft 21. The second drive mechanism 7 is located in front of the drive gear 52. The second driving mechanism 7 includes a second motor 71, a first linkage gear 72 and a transmission gear assembly 73 disposed in the accommodating space 81. The first linkage gear 72 includes a first gear 721 and a second gear 722 that are coaxially arranged and synchronously rotate, and the first gear 721 is sleeved on the periphery of the transmission shaft 4. The first end of the swing arm 6 is sleeved on the periphery of the first gear 721 and meshed with the first gear 721, and then the first end of the swing arm 6 is provided with an annular gear. The output shaft of the second motor 71 is drivingly connected to the transfer gear assembly 73, and the output gear of the transfer gear assembly 73 meshes with the second gear 722. In the present embodiment, the transmission gear assembly 73 includes a second interlocking gear 731, a first driven gear 732, and a worm 733 disposed to intersect the roller shaft 21. Wherein the worm 733 is mounted on the output shaft of the second motor 71, the second linkage gear 731 includes a worm gear 7311 and a second driven gear 7312 coaxially arranged and synchronously rotated, and the worm gear 7311 is engaged with the worm 733. The first driven gear 732 is an output gear of the above-described transmission gear assembly 73, and is engaged with the second driven gear 7312.

In order to limit the rotational travel of the connecting arm 24, the connecting arm 24 is located at the outer side of the chamber 10, the housing 1 is provided with two limiting members 12 at positions corresponding to the connecting arm 24, and the two limiting members 12 are arranged at intervals up and down along the swinging direction of the connecting arm 24, and the connecting arm 24 swings and is limited between the two limiting members 12. In the first state, as shown in fig. 6, the connecting arm 24 abuts against the limiting part 12 located above, the front scraping strip 3 swings upwards to leave a gap with the floor to be cleaned, and the cleaning machine is in a forward state; in the second condition, as shown in fig. 1, the connecting arm 24 abuts against the lower limiting member 12, the front scraper 3 swings down to interference with the floor to be cleaned, and the cleaning machine is in a retreated condition. During the swinging of the front scraping strip 3, the distance between the front scraping strip and the rear scraping strip can be adjusted.

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 a variety of orientations, these directional terms are used by way of illustration only and are in no way limiting.

Claims

1. A brush structure for cleaning machine, with the direction of travel of cleaning machine as the front, includes:

A housing (1) having a chamber (10) having an opening (101) at the bottom thereof and extending in the left-right direction, the housing (1) having an air outlet communicating with the chamber (10);

The rolling brush (2) comprises a roll shaft (21) arranged in the cavity (10) and brush pieces (22) arranged on the outer peripheral surface of the roll shaft (21), wherein the brush pieces (22) are positioned below the opening (101) locally and used for brushing the ground;

A front scraper (3) which is provided on the front side of the opening (101) and extends in the left-right direction;

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

A transmission shaft (4) coaxially arranged with the roller shaft (21) and mounted on one of the left and right ends of the roller shaft (21);

the power output end of the first driving mechanism (5) is in driving connection with the transmission shaft (4) and is used for driving the transmission shaft (4) and the roll shaft (21) to rotate around the axis of the first driving mechanism;

The first end of the swing arm (6) is sleeved on the transmission shaft (4), and the second end of the swing arm (6) is connected with the front scraping strip (3);

and the power output end of the second driving mechanism (7) is in driving connection with the swing arm (6) and is used for driving the first end of the swing arm (6) to swing up and down around the roll shaft (21).

2. The floor brush structure according to claim 1, wherein: the second driving mechanism (7) comprises a second motor (71), a first linkage gear (72) and a transmission gear assembly (73), the first linkage gear (72) comprises a first gear (721) and a second gear (722) which are coaxially arranged and synchronously rotate, the first gear (721) is sleeved on the periphery of the transmission shaft (4), the first end of the swing arm (6) is sleeved on the periphery of the first gear (721) and meshed with the first gear (721), an output shaft of the second motor (71) is connected with the transmission gear assembly (73) in a driving mode, and an output gear of the transmission gear assembly (73) is meshed with the second gear (722).

3. The floor brush structure according to claim 2, characterized in that: the transmission gear assembly (73) comprises a second linkage gear (731), a first driven gear (732) and a worm (733) which is arranged in a crossing way with the roll shaft (21), the worm (733) is arranged on an output shaft of the second motor (71), the second linkage gear (731) comprises a turbine (7311) and a second driven gear (7312) which are coaxially arranged and synchronously rotate, the turbine (7311) is meshed with the worm (733), and the first driven gear (732) is an output gear of the transmission gear assembly (73) and is meshed with the second driven gear (7312).

4. The floor brush structure according to claim 1, wherein: the first driving mechanism (5) comprises a first motor (51), a driving gear (52), a third gear (53) and a transmission belt (54), wherein an output shaft of the first motor (51) is arranged with a roll shaft (21) at intervals side by side, the driving gear (52) is arranged on the output shaft of the first motor (51), the third gear (53) is arranged on the transmission shaft (4), and the transmission belt (54) surrounds the peripheries of the driving gear (52) and the third gear (53) and is meshed with the driving gear (52) and the third gear (53).

5. The floor brush structure according to claim 4, wherein: the driving gear (52) is positioned behind the third gear (53), and the second driving mechanism (7) is positioned in front of the driving gear (52).

6. The floor brush structure according to claim 1, wherein: the transmission shaft (4) is located at a first end of the roll shaft (21), a connecting shaft (23) which is coaxially arranged with the transmission shaft (4) is installed at a second end of the roll shaft (21), and the connecting shaft (23) is connected with the front scraping strip (3) through a connecting arm (24).

7. The floor brush structure according to claim 6, wherein: the upper edge of the front scraping strip (3) is provided with a mounting shaft (31) extending along the left-right direction, and two ends of the mounting shaft (31) are respectively mounted on the swing arm (6) and the connecting arm (24).

8. The floor brush structure according to claim 6, wherein: the connecting arms (24) are located on the outer side of the cavity (10), limiting pieces (12) are arranged on the positions, corresponding to the connecting arms (24), of the shell (1), two limiting pieces (12) are arranged at intervals up and down along the swinging direction of the connecting arms (24), and the connecting arms (24) swing and are limited between the two limiting pieces (12).

9. The floor brush structure according to claim 1, wherein: the novel portable electric power box is characterized by further comprising a box body (8), wherein a containing space (81) is formed in the box body (8), and parts of the first driving mechanism (5) and the second driving mechanism (7) are located in the containing space (81).

10. The floor brush structure according to claim 1, wherein: the rear side edge of the opening (101) is provided with a rear scraping strip (9) for scraping the floor to be cleaned, and the rear scraping strip (9) extends along the left-right direction.

11. The floor brush structure according to any one of claims 1 to 10, characterized in that: the front scraping strip (3) has two states, in the first state, the front scraping strip (3) swings upwards to leave a gap with the ground to be cleaned, and the cleaning machine is in a forward state; in the second state, the front scraping strip (3) swings downwards to be in interference with the floor to be cleaned, and the cleaning machine is in a retreating state.

12. A cleaning machine further comprising a floor brush structure, a separation structure for separating a fluid, and a blower for providing a negative pressure source, the floor brush structure, the separation structure, and the blower being arranged in sequence along a flow path of the fluid, characterized in that the floor brush structure is the floor brush structure of any one of claims 1 to 11.

13. The cleaning machine of claim 12, wherein: the cleaning machine is a floor cleaning machine, and the separating structure and the fan are both positioned above the floor brush structure.