CN217659610U

CN217659610U - Cleaning machine

Info

Publication number: CN217659610U
Application number: CN202221277831.XU
Authority: CN
Inventors: 曹斌; 徐东海; 占德友; 王安琦; 宗志喜; 杨春雨; 张金京; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-04-25
Filing date: 2022-05-20
Publication date: 2022-10-28
Anticipated expiration: 2032-05-20
Also published as: CN217852773U

Abstract

The utility model relates to a cleaning machine, which comprises a casing, walking wheels rotatably connected with the two sides of the casing, a detection module for detecting the walking direction of the walking wheels, and a control circuit board electrically connected with the detection module; the detection module comprises a Hall sensor and a plurality of magnetic pieces; a plurality of magnetic parts distribute on a walking wheel along circumference, and hall sensor and control circuit board electric signal connection, hall sensor are close to the walking wheel and set up in the casing, and hall sensor is corresponding to the distribution diameter of magnetic part on the walking wheel and is towards the walking wheel. The utility model provides a cleaner can realize advancing the detection of retreating the direction to the walking wheel through magnetic part and hall sensor's cooperation, and then makes things convenient for cleaner to judge based on this direction and carry out other controls. And in the detection process, because the Hall sensor is arranged at a position, only a magnetic signal of one magnetic piece can be detected, so that the accuracy of detecting the walking direction of the walking wheel is improved, and the detection interference is avoided.

Description

Cleaning machine

Technical Field

The utility model relates to a cleaning machine.

Background

Along with the continuous improvement of the living standard of people, people need more and more intelligent cleaning equipment, except the requirements of products such as traditional washing machines and dish washing machines, the requirements of people on cleaning products such as floor sweepers, mopping machines, floor washing machines and dust collectors are gradually increased at present.

Domestic floor cleaning machine, dust catcher need the handheld promotion of user to carry out cleaning work usually, but because floor cleaning machine, dust catcher clean the part need and fully contact between the ground just can reach good cleaning performance, so clean the frictional force between part and the ground and can require great to the driving force of floor cleaning machine, the user is comparatively hard when the operation. In order to solve the problem of labor-consuming operation of a user, a power assisting mechanism is additionally arranged in a cleaning product in the prior art, so that the pushing operation is more labor-saving. However, the conventional power assisting mechanism mainly provides forward power for the cleaning device, and can solve the problem of labor waste in forward pushing, but the problem of more labor waste in pulling the cleaning device backwards is caused, so that how to control and change the power assisting direction based on the traveling direction of the cleaning device is a problem to be solved. In addition, for the floor washing machine which needs to be subjected to water outlet control, the water outlet strategy is also directly related to the walking direction of the floor washing machine, so that how to accurately and timely judge the walking direction of the floor washing machine is an important factor which directly influences the working performance of the floor washing machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a cleaning machine capable of effectively, accurately and timely distinguishing the walking direction is provided for the prior art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a cleaning machine, includes the casing, rotates the walking wheel of connection in the casing both sides, its characterized in that: the walking device also comprises a detection module for detecting the walking direction of the walking wheel and a control circuit board in electric signal connection with the detection module; the detection module comprises a Hall sensor and a plurality of magnetic pieces;

the magnetic parts are distributed on a travelling wheel along the circumferential direction, the Hall sensors are in electric signal connection with the control circuit board, the Hall sensors are arranged in the shell close to the travelling wheel, and the Hall sensors face the travelling wheel corresponding to the distribution diameters of the magnetic parts on the travelling wheel.

Preferably, the hall sensor comprises two hall elements which are respectively connected with the control circuit board through electric signals, and the two hall elements are arranged at intervals corresponding to the distribution diameters of the magnetic parts on the travelling wheels.

In order to facilitate the installation of the Hall sensor and ensure the stability of the working position of the Hall sensor, the two Hall elements are fixedly arranged on the control circuit board.

In order to provide assistance for the cleaning machine according to the walking direction of the walking wheels, a driving motor connected with the driving wheels is arranged in the machine shell and is in electric signal connection with the control circuit board.

In order to realize the convenient installation of magnetic member, the walking wheel is equipped with annular installation cavity to the inboard, the mounted position that corresponds to every magnetic member in the installation cavity is provided with the installed part, set up on the installed part towards inboard mounting groove, the magnetic member is installed in the mounting groove.

In order to improve the structural strength of walking wheel, be equipped with many radial extension's strengthening rib along circumference in the installation cavity, installed part integrated connection is on the strengthening rib that corresponds the position.

The travelling wheel is convenient to assemble and attractive, and comprises a wheel shaft, a wheel hub, a wheel sleeve and a sealing cover;

the wheel shaft is rotatably connected to the shell, a through hole for placing the wheel shaft is formed in the center of the wheel hub, the inner side face of the wheel hub is provided with the mounting cavity, the outer peripheral face of the mounting cavity is circumferentially provided with a plurality of first clamping grooves, and the outer side face of the wheel hub is provided with a second clamping groove close to the through hole;

the wheel sleeve is sleeved outside the wheel hub in a matching manner, and a buckle capable of being clamped into the first clamping groove in a matching manner is arranged on the inner wall surface of the wheel sleeve;

the sealing cover is clamped on the second clamping groove and covers the through hole.

In order to effectively protect the control circuit board and realize waterproof and shockproof protection of the circuit board, a protective shell is arranged outside the control circuit board, and a shockproof pad is arranged between the protective shell and the casing.

Compared with the prior art, the utility model has the advantages of: the utility model provides a cleaner can realize advancing the detection of retreating the direction to the walking wheel through magnetic part and hall sensor's cooperation, and then makes things convenient for cleaner to judge based on this direction and carry out other controls. And in the detection process, because the Hall sensor is arranged at a position, only a magnetic signal of one magnetic piece can be detected, so that the accuracy of detecting the walking direction of the walking wheel is improved, and the detection interference is avoided.

Drawings

Fig. 1 is a perspective view of a cleaning machine according to an embodiment of the present invention.

Fig. 2 is an internal structure view of a cleaning machine according to an embodiment of the present invention.

Fig. 3 is an exploded perspective view of the cleaning machine according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, the cleaning machine in this embodiment includes a casing 1, a traveling wheel 2 rotatably connected to two sides of the casing 1, a detection module for detecting a traveling direction of the traveling wheel 2, and a control circuit board 3 electrically connected to the detection module.

The housing 1 is generally composed of a plurality of housing parts that can be engaged with each other, and a complete housing is formed by engagement, and a mounting space is formed in the housing to mount various components. If a specific cleaning component can be installed in the housing, the cleaning machine in this embodiment can adopt various existing cleaning component structures, and the electric device in the cleaning component is electrically connected with the control circuit board 3, so as to perform cleaning work based on the control signal of the control circuit board 3.

Detection module includes hall sensor 4 and a plurality of magnetic part 5, a plurality of magnetic part 5 are along circumference distribution on a walking wheel 2, hall sensor 4 and 3 signal connection of electric signals of control circuit board, hall sensor 4 is close to walking wheel 2 and sets up in casing 1, so can be better acquire the magnetic force signal of magnetic part 5, hall sensor 4 is corresponding to the distribution diameter of magnetic part 5 on walking wheel 2 and towards walking wheel 2, make hall sensor 4 each moment only can acquire the magnetic force signal of a magnetic part 5, avoid other magnetic part 5 magnetic signal to detect the interference to hall sensor 4.

Hall sensor 4 in this embodiment includes two at least hall element, two hall element with 3 signal connection of control circuit board respectively, two hall element are corresponding to the distribution diameter interval setting of magnetic part 5 on walking wheel 2, so 2 walking in-process two hall element of walking wheel all gather the magnetic signal of magnetic part 5, because two hall element position difference, make the magnetic signal time sequence that two hall element detected differ, and then control circuit board 3 can judge the direction of motion of walking wheel 2 according to the magnetic signal waveform time sequence difference that two hall element detected, judge that the direction of walking wheel 2 is direction of advance or the direction of retreat at present. Meanwhile, the control circuit board 3 can also calculate the moving speed of the travelling wheel 2 according to the magnetic waveform detected by the Hall sensor 4.

In order to facilitate the installation of the hall sensor 4 and ensure the stability of the position of the hall sensor 4 during operation, in the embodiment, the two hall elements are directly and fixedly arranged on the control circuit board 3, so that the hall elements are not easy to displace due to vibration and the motion touch of other parts. In order to match the position relationship of the hall sensor 4 facing the magnetic member 5, the control circuit board 3 in the present embodiment is also fixedly disposed in a direction facing the driving wheel, specifically, the control circuit board 3 is disposed at a position close to the side wall of one traveling wheel 2 in the housing 1, and the position of the hall sensor 4 is enabled to match the rotation track of the magnetic member 5.

In addition, in the present embodiment, in order to achieve waterproof and shockproof protection of the control circuit board 3 and the hall element and improve the reliability of the operation of the control circuit board 3 and the hall sensor 4, in the present embodiment, a protective shell 31 is disposed outside the control circuit board 3, and a shockproof pad 32 is disposed between the protective shell 31 and the housing 1. The corresponding hall sensor 4 is also accommodated in the protective case 31, and the protective case 31 also protects the hall sensor 4.

In the embodiment, the driving motor 6 connected with the driving wheel is arranged in the casing 1, the driving motor 6 is in electrical signal connection with the control circuit board 3, and the driving motor 6 can control the rotation direction and the rotation speed of the driving motor 6 based on the walking direction and the moving speed of the walking wheel 2 judged by the control sensor, so as to provide the assistance in the corresponding direction for the walking of the cleaning machine. According to needs, the driving motor 6 can be only arranged for one walking wheel 2, and one driving motor 6 can be arranged for each walking wheel 2.

Usually, a water spraying mechanism electrically connected with the control circuit board 3 is arranged in the machine shell 1, and a water spraying strategy and a water spraying amount are correspondingly controlled based on the walking direction and the walking speed of the walking wheel 2 judged by the control circuit board 3.

In order to realize convenient installation of the magnetic part 5, the traveling wheel 2 in the embodiment is provided with an annular installation cavity 221 facing inwards, so that the whole body is simple and attractive when viewed from the outside. The installation cavity 221 is provided with an installation part 7 corresponding to the installation position of each magnetic part 5, the installation part 7 is provided with an installation groove 71 facing inwards, and the magnetic parts 5 are installed in the installation grooves 71. Adopt body structure's installed part 7 in this embodiment, installed part 7 is installed in mounting groove 71 along the axial direction, and the length of installed part 7 is the same with the thickness of installation cavity 221. The edge shape of magnetic part 5 and the cross-sectional shape phase-match of mounting groove 71, during the installation, only need with magnetic part 5 tight fit place in mounting groove 71 can, it is very convenient to assemble. In addition, in order to improve the structural strength of the road wheel 2, a plurality of ribs 222 extending in the radial direction are provided in the mounting cavity 221 in the circumferential direction, and the mounting piece 7 is integrally connected to the corresponding ribs 222.

As shown in fig. 3, the road wheel 2 in the present embodiment includes an axle 21, a hub 22, a wheel hub 23, and a cover 24. The wheel shaft 21 is rotatably connected to the housing 1, and specifically, the wheel shaft 21 is inserted into the housing 1 and connected to the driving motor 6 in the housing 1. A through hole for the wheel shaft 21 to be placed in is formed in the center of the wheel hub 22, the inner side face of the wheel hub 22 is provided with the installation cavity 221, the outer peripheral face of the installation cavity 221 is circumferentially provided with a plurality of first clamping grooves 223, and the outer side face of the wheel hub 22 is provided with second clamping grooves close to the through hole. The wheel sleeve 23 is sleeved outside the wheel hub 22 in a matching manner, and a buckle 231 which can be clamped into the first clamping groove 223 in a matching manner is arranged on the inner wall surface of the wheel sleeve 23. The cover 24 is clamped on the second clamping groove and covers the through hole. This 2 structure of walking wheels convenient assembling, 2 outward appearances of walking wheel are succinct, elegant appearance to walking wheel 2 can also realize the effective protection to magnetic part 5, and the reliability of work has been guaranteed to the pollution of external filth to magnetic part 5 of minimize.

The utility model provides a cleaner can realize advancing to walking wheel 2 through magnetic part 5 and hall sensor 4's cooperation and retreat the detection of direction, and then makes things convenient for cleaner to judge based on this direction and carry out other controls. In the detection process, the Hall sensor 4 is arranged at a position, so that only a magnetic signal of one magnetic part 5 can be detected, the accuracy of detection of the walking direction of the walking wheel 2 is improved, and the detection interference is avoided.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. The utility model provides a cleaning machine, includes casing (1), rotates walking wheel (2) of connection in casing (1) both sides, its characterized in that: the walking device also comprises a detection module for detecting the walking direction of the walking wheels (2) and a control circuit board (3) electrically connected with the detection module; the detection module comprises a Hall sensor (4) and a plurality of magnetic pieces (5);

a plurality of magnetic part (5) distribute on a walking wheel (2) along circumference, hall sensor (4) and control circuit board (3) signal connection, hall sensor (4) are close to walking wheel (2) and set up in casing (1), hall sensor (4) are corresponding to magnetic part (5) the distribution diameter on walking wheel (2) and face walking wheel (2).

2. The cleaning machine of claim 1, wherein: the Hall sensor (4) comprises two Hall elements which are respectively connected with the control circuit board (3) through electric signals, and the two Hall elements are arranged at intervals corresponding to the distribution diameters of the magnetic pieces (5) on the travelling wheels (2).

3. The cleaning machine of claim 2, wherein: the two Hall elements are fixedly arranged on the control circuit board (3).

4. A cleaning machine as defined in any one of claims 1 to 3 in which: the motor is characterized in that a driving motor (6) connected with a driving wheel is arranged in the machine shell (1), and the driving motor (6) is in electric signal connection with the control circuit board (3).

5. A cleaning machine as defined in any one of claims 1 to 3 in which: walking wheel (2) are equipped with annular installation cavity (221) towards the inboard, the mounted position that corresponds to every magnetic part (5) in installation cavity (221) is provided with installed part (7), set up on installed part (7) towards inboard mounting groove (71), install magnetic part (5) in mounting groove (71).

6. The cleaning machine of claim 5, wherein: a plurality of reinforcing ribs (222) extending in the radial direction are arranged in the mounting cavity (221) along the circumferential direction, and the mounting part (7) is integrally connected to the reinforcing ribs (222) at the corresponding positions.

7. The cleaning machine of claim 5, wherein: the travelling wheel (2) comprises a wheel shaft (21), a wheel hub (22), a wheel sleeve (23) and a sealing cover (24);

the wheel shaft (21) is rotatably connected to the machine shell (1), a through hole for placing the wheel shaft (21) is formed in the center of the wheel hub (22), the inner side face of the wheel hub (22) is provided with the mounting cavity (221), the outer peripheral face of the mounting cavity (221) is circumferentially provided with a plurality of first clamping grooves (223), and the outer side face of the wheel hub (22) close to the through hole is provided with a second clamping groove;

the wheel sleeve (23) is sleeved outside the wheel hub (22) in a matching manner, and a buckle (231) which can be clamped into the first clamping groove (223) in a matching manner is arranged on the inner wall surface of the wheel sleeve (23);

the sealing cover (24) is clamped on the second clamping groove and covers the through hole.

8. A cleaning machine as defined in any one of claims 1 to 3 in which: the control circuit board (3) is externally provided with a protective shell (31), and a shockproof pad (32) is arranged between the protective shell (31) and the machine shell (1).