阅读说明：本技术 刷盘安装结构及清洁装置及洗地机器人 (Brush disc mounting structure, cleaning device and floor washing robot ) 是由 李振 陈博 朱传绪 陈召 刘国中 王生贵 杨玉杯 程昊天 于 2020-07-07 设计创作，主要内容包括：本发明提供了一种刷盘安装结构及清洁装置及洗地机器人,涉及清洁机器人的技术领域,刷盘安装结构包括刷盘组件和连接组件；刷盘组件与连接组件卡接；刷盘组件通过连接组件与电机的动力输出轴连接；刷盘组件上设置有用于容纳连接组件的安装槽；安装槽内设置有第一力矩传递机构；连接组件包括用于与第一力矩传递机构相配合的第二力矩传递机构；第二力矩传递机构与动力输出轴同步转动,以带动第一力矩传递机构运动；第二力矩传递机构设置有与安装槽的开口处相配合的导向面。刷盘组件与连接组件的连接方式能够令使用者操作更加方便快捷,提高刷盘组件维护的便利性。导向面的设置能够在安装的过程中起到导向作用,进一步提高安装的便利性和安装效率。(The invention provides a brush disc mounting structure, a cleaning device and a floor washing robot, and relates to the technical field of cleaning robots, wherein the brush disc mounting structure comprises a brush disc assembly and a connecting assembly; the brush disc assembly is clamped with the connecting assembly; the brush disc assembly is connected with a power output shaft of the motor through a connecting assembly; the brush disc component is provided with a mounting groove for accommodating the connecting component; a first torque transmission mechanism is arranged in the mounting groove; the coupling assembly includes a second torque-transmitting mechanism for mating with the first torque-transmitting mechanism; the second torque transmission mechanism and the power output shaft synchronously rotate to drive the first torque transmission mechanism to move; the second torque transfer mechanism is provided with a guide surface matched with the opening of the mounting groove. The connection mode of the brush disc assembly and the connection assembly can enable a user to operate more conveniently and rapidly, and the convenience of maintenance of the brush disc assembly is improved. The setting of spigot surface can play the guide effect at the in-process of installation, further improves the convenience and the installation effectiveness of installation.)

1. A brush tray mounting structure, characterized in that the brush tray mounting structure includes: a brush disc assembly and a connecting assembly;

the brush disc assembly is clamped with the connecting assembly; the brush disc assembly is connected with a power output shaft of the motor through the connecting assembly;

the brush disc assembly is provided with a mounting groove for accommodating the connecting assembly; a first torque transmission mechanism is arranged in the mounting groove; said linkage assembly including second torque transfer means for cooperating with said first torque transfer means; the second torque transmission mechanism and the power output shaft synchronously rotate to drive the first torque transmission mechanism to move; the second torque transfer mechanism is provided with a guide surface matched with the opening of the mounting groove.

2. The brush tray mounting structure according to claim 1, wherein the first torque transmission mechanism includes a plurality of ribs; the second torque transfer mechanism comprises a plurality of petal-shaped guide ribs; the outer arc surface of the guide rib is the guide surface;

the connection assembly further includes a central shaft; the central shaft is fixedly connected with the power output shaft; the guide ribs are sequentially arranged along the circumferential direction of the central shaft; when the guide ribs and the power output shaft rotate synchronously, the plurality of guide ribs can be abutted to the corresponding convex ribs respectively.

3. The brush disk mounting structure according to claim 2, wherein the connecting member further comprises a chuck and a ring-shaped connecting pin; the chuck is sleeved outside the central shaft; the connecting pin is sleeved outside the chuck;

the guide ribs are sleeved on the connecting pins respectively; the plurality of guide ribs may be rotatable about the connecting pin to form a closed or open state with respect to the central shaft.

4. The brush tray mounting structure according to claim 3, wherein a plurality of retaining grooves are provided on the central shaft; each limiting groove corresponds to one guide rib respectively;

one end of the guide rib close to the central shaft is clamped in the limiting groove; the limiting groove is used for limiting the guide rib to move in the circumferential direction of the central shaft.

5. The brush tray mounting structure according to claim 4, wherein in the rotation direction of the guide rib, a gap exists between one end of the guide rib which is fitted into the stopper groove and the inner wall of the stopper groove;

when a plurality of direction muscle expand to maximum state, the direction muscle with the diapire butt of spacing groove, it is a plurality of the maximum diameter of the circle that the direction muscle formed is less than the diameter of the opening part of mounting groove.

6. A brush tray mounting structure according to claim 3, wherein a plurality of receiving grooves for receiving a plurality of the guide ribs are provided on the chuck; the one side that the holding tank was kept away from to the direction muscle is the spigot surface.

7. A brush plate mounting arrangement according to any of claims 1-6, wherein the attachment assembly further comprises a spring catch;

and a clamping groove matched with the spring clamping piece is arranged in the mounting groove.

8. A cleaning apparatus comprising a plurality of brush plate mounting structures according to claim 1;

the connecting component comprises a chuck and a central shaft; the clamping head is clamped with the brush disc assembly; the central shaft is fixedly connected with the power output shaft;

the central shaft is in a step shape, and the chuck is sleeved outside the central shaft; when the central shaft is fixedly connected with the power output shaft, the chuck can move between the end face of the power output shaft and the stepped end face of the central shaft.

9. The cleaning apparatus defined in claim 8, wherein the connection assembly further comprises a spring and a sheath;

the sheath is fixedly connected with the power output shaft; the spring is arranged in the sheath, one end of the spring is abutted against the inner bottom wall of the sheath, and the other end of the spring is abutted against the clamping head; when the chuck moves towards the end face of the power output shaft, the chuck compresses the spring.

10. A floor washing robot comprising a brush tray mounting structure according to any one of claims 1-7 or a cleaning apparatus according to any one of claims 8-9;

the floor washing robot also comprises a motor fixing seat; the motor is fixedly connected with the motor fixing seat.

Technical Field

The invention relates to the technical field of cleaning robots, in particular to a brush disc mounting structure, a cleaning device and a floor washing robot.

Background

The brush disc is used as a working part of the floor cleaning robot, and the brush disc is a vulnerable part which rubs with the ground to be cleaned for a long time when working, so that the brush disc needs to be replaced frequently.

In the prior art, the brush disc is connected with a power output shaft of a motor through a connecting piece, and the brush disc is in threaded connection or in screw connection with the connecting piece. In the process of replacing the brush disc, a user needs to unscrew the brush disc from the connecting piece or disassemble the screw to detach the brush disc, so that the disassembly and the assembly are complicated.

Therefore, how to make the brush plate more convenient to disassemble and assemble so as to improve the convenience of brush plate maintenance, which is a problem to be solved urgently.

Disclosure of Invention

The invention aims to provide a brush disc mounting structure, a cleaning device and a floor washing robot, so as to solve the technical problems of complex brush disc disassembly and assembly and poor maintenance convenience in the prior art.

The invention provides a brush disk mounting structure, comprising: a brush disc assembly and a connecting assembly; the brush disc assembly is clamped with the connecting assembly; the brush disc assembly is connected with a power output shaft of the motor through the connecting assembly; the brush disc assembly is provided with a mounting groove for accommodating the connecting assembly; a first torque transmission mechanism is arranged in the mounting groove; said linkage assembly including second torque transfer means for cooperating with said first torque transfer means; the second torque transmission mechanism and the power output shaft synchronously rotate to drive the first torque transmission mechanism to move; the second torque transfer mechanism is provided with a guide surface matched with the opening of the mounting groove.

Further, the first torque-transmitting mechanism includes a plurality of ribs; the second torque transfer mechanism comprises a plurality of petal-shaped guide ribs; the outer arc surface of the guide rib is the guide surface; the connection assembly further includes a central shaft; the central shaft is fixedly connected with the power output shaft; the guide ribs are sequentially arranged along the circumferential direction of the central shaft; when the guide ribs and the power output shaft rotate synchronously, the plurality of guide ribs can be abutted to the corresponding convex ribs respectively.

Furthermore, the connecting component also comprises a clamping head and an annular connecting pin; the chuck is sleeved outside the central shaft; the connecting pin is sleeved outside the chuck; the guide ribs are sleeved on the connecting pins respectively; the plurality of guide ribs may be rotatable about the connecting pin to form a closed or open state with respect to the central shaft.

Furthermore, a plurality of limiting grooves are formed in the central shaft; each limiting groove corresponds to one guide rib respectively; one end of the guide rib close to the central shaft is clamped in the limiting groove; the limiting groove is used for limiting the guide rib to move in the circumferential direction of the central shaft.

Furthermore, in the rotating direction of the guide rib, a gap exists between one end of the guide rib, which is embedded into the limit groove, and the inner wall of the limit groove; when a plurality of direction muscle expand to maximum state, the direction muscle with the diapire butt of spacing groove, it is a plurality of the maximum diameter of the circle that the direction muscle formed is less than the diameter of the opening part of mounting groove.

Furthermore, a plurality of accommodating grooves for accommodating a plurality of guide ribs are formed in the clamping head; the one side that the holding tank was kept away from to the direction muscle is the spigot surface.

Further, the connecting assembly further comprises a spring clip; and a clamping groove matched with the spring clamping piece is arranged in the mounting groove.

Furthermore, the invention also provides a cleaning device, wherein the cleaning assembly comprises a plurality of brush disc mounting structures; the connecting component comprises a chuck and a central shaft; the clamping head is clamped with the brush disc assembly; the central shaft is fixedly connected with the power output shaft; the central shaft is in a step shape, and the chuck is sleeved outside the central shaft; when the central shaft is fixedly connected with the power output shaft, the chuck can move between the end face of the power output shaft and the stepped end face of the central shaft.

Further, the connecting assembly further comprises a spring and a sheath; the sheath is fixedly connected with the power output shaft; the spring is arranged in the sheath, one end of the spring is abutted against the inner bottom wall of the sheath, and the other end of the spring is abutted against the clamping head; when the chuck moves towards the end face of the power output shaft, the chuck compresses the spring.

Furthermore, the invention also provides a floor washing robot, which comprises the brush disc mounting structure or the cleaning device; the floor washing robot also comprises a motor fixing seat; the motor is fixedly connected with the motor fixing seat.

According to the brush disc mounting structure provided by the invention, in the process of replacing the brush disc assembly, a user firstly separates the old brush disc assembly from the clamping part of the connecting assembly so as to separate the old brush disc assembly from the connecting assembly; the connecting assembly is then aligned with the mounting groove on the new brush disc assembly and the second torque transfer means is placed into the mounting groove from the opening of the mounting groove until it is able to cooperate with the first torque transfer means. In the process of placing the second torque transfer mechanism, the guide surface of the second torque transfer mechanism is matched with the opening of the mounting groove to play a role in guiding, and a user can conveniently and accurately operate the torque transfer mechanism. And finally, clamping the brush disc assembly and the connecting assembly to complete replacement of the brush disc assembly. In the use process, the power output shaft of the motor drives the second torque transmission mechanism to synchronously rotate, so that the first torque transmission mechanism is driven to move, and the brush disc assembly is driven to rotate to clean the ground.

By last, the connected mode of brush dish subassembly and coupling assembling joint can make user's operation convenient and fast more, improves the convenience that the brush dish subassembly was maintained. In addition, the guide surface can play a role in guiding in the installation process, and the installation convenience and the installation efficiency are further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of a brush tray mounting structure provided in an embodiment of the present invention;

FIG. 2 is a sectional view of a brush tray mounting structure provided in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a brush plate assembly and a connecting assembly according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a connecting assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a cleaning device according to an embodiment of the present invention at a first viewing angle;

FIG. 6 is a structural diagram of a cleaning device according to an embodiment of the present invention at a second viewing angle;

FIG. 7 is a cross-sectional view taken at A-A of FIG. 5;

FIG. 8 is a cross-sectional view taken at B-B of FIG. 6;

fig. 9 is a schematic structural diagram of a chuck according to an embodiment of the present invention.

Icon: 1-a brush disc assembly; 2-connecting the components; 3, a motor; 4-a power take-off shaft; 5-mounting grooves; 6-a first torque-transmitting mechanism; 7-a second torque transfer mechanism; 8-opening; 9-a guide surface; 10-convex ribs; 11-a guide rib; 12-a central axis; 13-clamping head; 14-a connecting pin; 15-a limiting groove; 16-accommodating grooves; 17-a spring catch; 18-a card slot; 19-step end face; 20-a spring; 21-a sheath; 22-motor fixing seat; 23-bristles; 24-an annular groove; 25-receiving hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is an exploded view of a brush tray mounting structure provided in an embodiment of the present invention; FIG. 2 is a sectional view of a brush tray mounting structure provided in an embodiment of the present invention; FIG. 3 is a schematic structural diagram of a brush plate assembly and a connecting assembly according to an embodiment of the present disclosure; fig. 4 is a schematic structural diagram of a connecting assembly according to an embodiment of the present invention; as shown in fig. 1 to 4, a brush tray mounting structure provided in an embodiment of the present invention includes: the brush disc component 1 and the connecting component 2; the brush disc assembly 1 is clamped with the connecting assembly 2; the brush disc component 1 is connected with a power output shaft 4 of the motor 3 through a connecting component 2; the brush disc component 1 is provided with a mounting groove 5 for accommodating the connecting component 2; a first torque transmission mechanism 6 is arranged in the mounting groove 5; the linkage assembly 2 includes second torque-transmitting means 7 for cooperating with the first torque-transmitting means 6; the second torque transmission mechanism 7 and the power output shaft 4 synchronously rotate to drive the first torque transmission mechanism 6 to move; the second torque transfer means 7 are provided with a guide surface 9 cooperating with the opening 8 of the mounting groove 5.

The first torque transmission mechanism 6 can be a groove body, the second torque transmission mechanism 7 can be a clamping strip, and in the using process, the clamping strip is embedded into the groove body and rotates to drive the groove body to rotate synchronously.

Preferably, the opening 8 of the mounting groove 5 can be in a bell mouth shape, so that the mounting groove is better matched with the guide surface 9, and the guide effect is improved.

The distance between the guide surface 9 and the power take-off shaft 4 decreases gradually in the direction away from the electric motor 3.

Specifically, the brush tray assembly 1 is provided with bristles 23 at an end away from the motor 3. During use, the bristles 23 are in contact with the floor to be cleaned.

Specifically, the brush disc assembly 1 and the connecting assembly 2 can be respectively provided with a buckle and a connecting groove matched with the buckle. The user's accessible is with buckle embedding spread groove or make buckle and spread groove separation to accomplish the dismouting process.

The first torque transfer means 6 and the second torque transfer means 7 may both be of a metallic material.

The invention provides a brush disk mounting structure, comprising: the brush disc component 1 and the connecting component 2; the brush disc assembly 1 is clamped with the connecting assembly 2; the brush disc component 1 is connected with a power output shaft 4 of the motor 3 through a connecting component 2; the brush disc component 1 is provided with a mounting groove 5 for accommodating the connecting component 2; a first torque transmission mechanism 6 is arranged in the mounting groove 5; the linkage assembly 2 includes second torque-transmitting means 7 for cooperating with the first torque-transmitting means 6; the second torque transmission mechanism 7 and the power output shaft 4 synchronously rotate to drive the first torque transmission mechanism 6 to move; the second torque transfer means 7 are provided with a guide surface 9 cooperating with the opening 8 of the mounting groove 5. In the process of replacing the brush disc assembly 1, a user firstly separates the clamping part of the old brush disc assembly 1 and the connecting assembly 2 so as to separate the old brush disc assembly 1 and the connecting assembly; the connecting assembly 2 is then aligned with the mounting groove 5 on the new brush disc assembly 1 and the second torque transfer means 7 is placed into the mounting groove 5 from the opening 8 of the mounting groove 5 until it can be mated with the first torque transfer means 6. In the process of placing the second torque transmission mechanism 7, the guide surface 9 of the second torque transmission mechanism 7 is matched with the opening 8 of the mounting groove 5, so that the guiding effect is achieved, and the accurate operation of a user is facilitated. And finally, clamping the brush disc assembly 1 and the connecting assembly 2 to complete replacement of the brush disc assembly 1. In the use process, the power output shaft 4 of the motor 3 drives the second torque transmission mechanism 7 to synchronously rotate, so as to drive the first torque transmission mechanism 6 to move, and further drive the brush disc assembly 1 to rotate so as to clean the ground.

By last, the connected mode of brush dish subassembly 1 and 2 joints of coupling assembling can make the user operation convenient and fast more, improves the convenience that brush dish subassembly 1 maintained. In addition, the guide surface 9 can play a role in guiding in the installation process, and the installation convenience and the installation efficiency are further improved.

Fig. 5 is a schematic structural view of a cleaning device according to an embodiment of the present invention at a first viewing angle; FIG. 6 is a structural diagram of a cleaning device according to an embodiment of the present invention at a second viewing angle; FIG. 7 is a cross-sectional view taken at A-A of FIG. 5; FIG. 8 is a cross-sectional view taken at B-B of FIG. 6; as shown in fig. 3-8, in addition to the above embodiment, the first torque transmitting mechanism 6 further includes a plurality of ribs 10; the second torque transfer means 7 comprises a plurality of petaloid guide ribs 11; the outer arc surface of the guide rib 11 is a guide surface 9; the connecting assembly 2 further comprises a central shaft 12; the central shaft 12 is fixedly connected with the power output shaft 4; the plurality of guide ribs 11 are arranged in sequence along the circumferential direction of the central shaft 12; when the guide ribs 11 rotate in synchronization with the power output shaft 4, the plurality of guide ribs 11 can abut against the corresponding ribs 10, respectively.

Wherein, the guiding rib 11 may be a metal rib.

Preferably, the plurality of guide ribs 11 are uniformly spaced along the circumferential direction of the central shaft 12.

The central shaft 12 comprises a fixing bolt, a threaded hole is formed in the power output shaft 4, and the fixing bolt is matched with the threaded hole to enable the central shaft 12 to be fixedly connected with the power output shaft 4.

Specifically, the opening 8 of the mounting groove 5 is circular.

Preferably, the guide surface 9 is attached to the inner wall of the mounting groove 5 when the mounting is completed.

In this embodiment, in the use process, when the power output shaft 4 rotates, the plurality of guiding ribs 11 respectively abut against the corresponding convex ribs 10, and the guiding ribs 11 rotate around the central shaft 12, so that the convex ribs 10 rotate around the central shaft 12, and further the brush disc assembly 1 is driven to rotate. The arrangement of the plurality of petal-shaped guide ribs 11 and the plurality of convex ribs 10 can increase the contact area of the first torque transmission mechanism 6 and the second torque transmission mechanism, thereby improving the motion stability of the device.

Fig. 9 is a schematic structural diagram of a chuck according to an embodiment of the present invention; as shown in fig. 3, 4 and 7-9, in addition to the above embodiments, the connecting assembly 2 further includes a chuck 13 and a ring-shaped connecting pin 14; the chuck 13 is sleeved outside the central shaft 12; the connecting pin 14 is sleeved outside the chuck 13; the guide ribs 11 are respectively sleeved on the connecting pins 14; the plurality of guide ribs 11 are rotatable about the connecting pin 14 to be in a closed or open state with respect to the central shaft 12.

Wherein, the chuck 13 is made of metal.

In particular, the outer wall of the cartridge 13 is provided with an annular groove 24 for receiving the connecting pin 14. The guide rib 11 is provided with a through hole for passing the connecting pin 14.

In this embodiment, the guide rib 11 can be rotated about the connecting pin 14 to be closed or opened with respect to the central shaft 12 during use. When installation brush dish subassembly 1, direction muscle 11 is the expansion state under the action of gravity, and if the opening 8 department of direction muscle 11 and mounting groove 5 produced the collision, direction muscle 11 can be followed connecting pin 14 and rotated, forms closed state to avoid blockking, make brush dish subassembly 1 can continue the motion installation smoothly. The above arrangement can improve the guiding effect. In addition, in the course of the work, if the direction muscle 11 is in the closed state, direction muscle 11 does not with protruding muscle 10 butt or the butt area is less, under the effect of pivoted centrifugal force, direction muscle 11 also can outwards open, forms the state of expanding to better and protruding muscle 10 cooperation.

As shown in fig. 8, on the basis of the above embodiment, a plurality of limiting grooves 15 are further provided on the central shaft 12; each limiting groove 15 corresponds to one guide rib 11; one end of the guide rib 11 close to the central shaft 12 is clamped in the limiting groove 15; the stopper groove 15 serves to restrict the movement of the guide rib 11 in the circumferential direction of the center shaft 12.

In the present embodiment, the stopper groove 15 can prevent the guide rib 11 from moving in the circumferential direction of the center shaft 12. In the use process, the central shaft 12 rotates to drive the guide rib 11 to rotate, so as to drive the convex rib 10 to rotate, and the normal rotation work of the brush disc component 1 is ensured.

On the basis of the above embodiment, further, in the rotation direction of the guide rib 11, a gap exists between one end of the guide rib 11 embedded in the limit groove 15 and the inner wall of the limit groove 15; when the plurality of guide ribs 11 are unfolded to the maximum state, the guide ribs 11 are abutted to the bottom wall of the limiting groove 15, and the maximum diameter of a circle formed by the plurality of guide ribs 11 is smaller than the diameter of the opening 8 of the mounting groove 5.

In this embodiment, when a plurality of direction muscle 11 expand the maximum condition, the diapire butt of direction muscle 11 and spacing groove 15, the butt point of spacing groove 15 is the spacing point promptly, prevents that direction muscle 11 from expanding the transition, and direction muscle 11 can be followed opening 8 department of mounting groove 5 and deviate from smoothly to it is smooth and easy to guarantee that brush dish subassembly 1 dismantles.

As shown in fig. 9, in addition to the above embodiment, further, the chuck 13 is provided with a plurality of receiving grooves 16 for receiving a plurality of guide ribs 11; the side of the guide rib 11 remote from the receiving groove 16 is the guide surface 9.

Specifically, the guide rib 11 includes a first abutting portion and a second abutting portion; when the guide rib 11 and the power output shaft 4 rotate synchronously, the first abutting part abuts against the convex rib 10; the second abutment is located within the receiving groove 16. In the use process, the power output shaft 4, the clamping head 13, the guide rib 11 and the convex rib 10 synchronously rotate.

In this embodiment, when the guide rib 11 rotates along the connecting pin 14 during use, the accommodating groove 16 is provided to prevent the chuck 13 from interfering with the guide rib 11.

As shown in fig. 3, 4 and 7, on the basis of the above embodiment, further, the connecting assembly 2 further includes a spring catch 17; the inside of the mounting groove 5 is provided with a clamping groove 18 matched with the spring clamping piece 17.

Specifically, the chuck 13 is provided with a receiving hole 25 for receiving the spring clip 17. The spring clip 17 can be contracted when externally pressed and can be sprung open to an initial state when an external force is removed. In the process of installation joint, make dop 13 remove towards the bottom direction of mounting groove 5, spring fastener 17 receives the extrusion shrink of mounting groove 5 inner wall at first, and the bullet is opened and is reset when removing to draw-in groove 18 department to inside embedding draw-in groove 18, make dop 13 and brush dish subassembly 1 fixed connection.

Preferably, the contact position of the spring clamping piece 17 and the mounting groove 5 is arc-shaped, and the arc surface can play a role in guiding, so that the spring clamping piece is easier to come in and go out of the clamping groove 18.

Preferably, the spring catch 17 and the receiving hole 25 are each provided in plurality. The plurality of spring clips 17 are arranged at even intervals in the axial direction of the chuck 13. The engaging groove 18 is formed in an arc shape about the central axis 12. During the mating, the latching groove 18 only forms a limitation of the spring catch 17 in the axial direction of the central shaft 12, but not in the circumferential direction.

In this embodiment, in the use process, the spring fastener 17 is inserted into the clamping groove 18, so that the brush plate assembly 1 is clamped with the connecting assembly 2. The structure is simple, the operation is simple and convenient, and the manufacturing cost is lower.

As shown in fig. 5-8, on the basis of the above embodiments, further, the embodiment of the present invention further provides a cleaning device, wherein the cleaning assembly includes a plurality of the above brush tray mounting structures; the connecting component 2 comprises a chuck 13 and a central shaft 12; the clamping head 13 is clamped with the brush disc component 1; the central shaft 12 is fixedly connected with the power output shaft 4; the central shaft 12 is in a step shape, and the chuck 13 is sleeved outside the central shaft 12; when the central shaft 12 is fixedly connected to the power take-off shaft 4, the chuck 13 can be moved between the end face of the power take-off shaft 4 and the stepped end face 19 of the central shaft 12.

In this embodiment, in the process of replacing the brush disc assembly 1, a user first separates the old brush disc assembly 1 from the clamping part of the connecting assembly 2 to separate the two; the connecting assembly 2 is then aligned with the mounting groove 5 on the new brush disc assembly 1 and the second torque transfer means 7 is placed into the mounting groove 5 from the opening 8 of the mounting groove 5 until it can be mated with the first torque transfer means 6. In the process of placing the second torque transmission mechanism 7, the guide surface 9 of the second torque transmission mechanism 7 is matched with the opening 8 of the mounting groove 5, so that the guiding effect is achieved, and the accurate operation of a user is facilitated. And finally, clamping the brush disc assembly 1 and the connecting assembly 2 to complete replacement of the brush disc assembly 1. In the use process, the power output shaft 4 of the motor 3 drives the second torque transmission mechanism 7 to synchronously rotate, so as to drive the first torque transmission mechanism 6 to move, and further drive the brush disc assembly 1 to rotate so as to clean the ground.

By last, the connected mode of brush dish subassembly 1 and 2 joints of coupling assembling can make the user operation convenient and fast more, improves the convenience that brush dish subassembly 1 maintained. In addition, the guide surface 9 can play a role in guiding in the installation process, and the installation convenience and the installation efficiency are further improved.

In addition, when the brush disc component 1 is suspended in the air in the using process, the brush disc component 1 sinks under the action of gravity, and the clamping head 13 is abutted with the stepped end face 19 of the central shaft 12; when the cleaning operation is started, the brush disk assembly 1 descends, the brush hairs 23 of the brush disk assembly contact with the ground, the brush disk assembly 1 moves upwards relative to the central shaft 12, and the brush disk assembly can move to the position where the chuck 13 contacts with the end face of the power output shaft 4 at most. The distance between the end face of the power take-off shaft 4 and the stepped end face 19 of the central shaft 12 provides an adjustable space for the brush disc assembly 1 to contact the ground. When ground unevenness, the ground height that a plurality of brush dish subassemblies 1 correspond is inconsistent, and the above-mentioned setting can guarantee that every brush hair 23 of brush dish subassembly 1 can both have contact pressure to ground, and then has guaranteed the effect of cleaning.

As shown in fig. 1, 2, 7 and 8, on the basis of the above embodiment, further, the connection assembly 2 further includes a spring 20 and a sheath 21; the sheath 21 is fixedly connected with the power output shaft 4; the spring 20 is arranged in the sheath 21, one end of the spring is abutted with the inner bottom wall of the sheath 21, and the other end of the spring is abutted with the chuck 13; when the chuck 13 moves toward the end surface of the power output shaft 4, the chuck 13 compresses the spring 20.

In this embodiment, when the brush disc assembly 1 is suspended in the air in use, the brush disc assembly 1 sinks under the action of gravity and the elastic force of the return spring 20, and the chuck 13 abuts against the stepped end face 19 of the central shaft 12; when the chuck 13 moves toward the end surface of the power output shaft 4, the chuck 13 compresses the spring 20, and the spring 20 can play a role of buffering.

On the basis of the above embodiment, further, the embodiment of the invention further provides a floor washing robot, which comprises the above brush tray mounting structure or the above cleaning device; the floor washing robot also comprises a motor fixing seat 22; the motor 3 is fixedly connected with the motor fixing seat 22.

In this embodiment, the motor 3 is fixed on the motor fixing seat 22, and in the process of replacing the brush disc assembly 1, a user firstly separates the clamping part of the old brush disc assembly 1 and the connecting assembly 2 to separate the two; the connecting assembly 2 is then aligned with the mounting groove 5 on the new brush disc assembly 1 and the second torque transfer means 7 is placed into the mounting groove 5 from the opening 8 of the mounting groove 5 until it can be mated with the first torque transfer means 6. In the process of placing the second torque transmission mechanism 7, the guide surface 9 of the second torque transmission mechanism 7 is matched with the opening 8 of the mounting groove 5, so that the guiding effect is achieved, and the accurate operation of a user is facilitated. And finally, clamping the brush disc assembly 1 and the connecting assembly 2 to complete replacement of the brush disc assembly 1. In the use process, the power output shaft 4 of the motor 3 drives the second torque transmission mechanism 7 to synchronously rotate, so as to drive the first torque transmission mechanism 6 to move, and further drive the brush disc assembly 1 to rotate so as to clean the ground.

By last, the connected mode of brush dish subassembly 1 and 2 joints of coupling assembling can make the user operation convenient and fast more, improves the convenience that brush dish subassembly 1 maintained. In addition, the guide surface 9 can play a role in guiding in the installation process, and the installation convenience and the installation efficiency are further improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.