Floor scrubber

Abstract

The utility model discloses a scrubber. Comprising a cleaning base, a handheld machine body, a main control unit and a power switch, wherein one end of the handheld machine body is rotatably connected to the cleaning base, and a handle part is arranged at the other end of the handheld machine body; the main control unit is arranged on the cleaning base or the handheld machine body; the display module is arranged on the handle part and comprises a plurality of label parts and a display light source, the expansion module is arranged on the handle part and comprises an expansion connecting part and a first communication connecting part, and the support body is separably arranged on the expansion connecting part and used for bearing intelligent terminal equipment. The first communication connection part is arranged on the support body, the second communication connection part is arranged on the support body and matched with the first communication connection part, and the third communication connection part is arranged on the support body and used for being in communication connection with intelligent terminal equipment. The expansion support is shielded above the display module, and the second communication connection part is in communication connection with the first communication connection part.

Description

Technical Field

[0001] The utility model relates to the technical field of surface cleaning equipment, in particular to a floor washer. Background Art

[0002] A floor washer is a cleaning device widely used in commercial, industrial, and large public places. The surfaces suitable for cleaning by the floor washer can include tiles, marble, cement carpets, furniture, walls, etc. The floor washer generally includes a cleaning base and a handheld body. The cleaning base is adapted to move on the surface to be cleaned and brush the surface to be cleaned and suck up the sewage on the surface to be cleaned. The handheld body is the body part of the floor washer. One end of the handheld body is rotatably connected to the cleaning base, and a handle part for the user to hold the handheld body is provided at the other end of the handheld body. The cleaner can hold the handle part of the floor washer by hand and push the floor washer to move forward from back to front on the surface to be cleaned for cleaning operations. When the floor washer performs cleaning operations on the surface to be cleaned, the user starts the floor washer by operating the buttons on the handle part, so that the negative pressure source and the rotary brush operate respectively. The negative pressure source generates a negative pressure air flow from the surface to be cleaned into the suction port of the cleaning base. The rotary brush brushes and sweeps the surface to be cleaned, and then the sewage and air on the surface to be cleaned are sucked into the sewage tank of the handheld body through the suction port of the cleaning base. The sewage remains in the sewage tank, and the air is sucked away by the negative pressure source and discharged into the external environment. Since there are only a few LED lights for displaying the working state of the floor washer on the handle part of the traditional floor washer, after the user starts the floor washer, only the color and brightness displayed by the LED lights can be used to roughly judge the current working state of the floor washer, such as the remaining power information, the remaining water volume information in the cleaning water tank, the rotary brush speed information, the negative pressure source power information, etc., and there is only a single working mode. The user cannot view and adjust the working state parameter information of the floor washer in detail, and the operation is not convenient enough. Content of the Utility Model

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a floor washer that can be extended to connect to an intelligent terminal device to assist in operating the floor washer and is more convenient to operate.

[0004] To this end, the utility model provides a floor washer, including:

[0005] A cleaning base, adapted to move forward from back to front on the surface to be cleaned;

[0006] A handheld body, one end of which is rotatably connected to the cleaning base, and a handle part for the user to operate is provided at the other end. A display area is provided on the handle part;

[0007] A main control unit, provided on the cleaning base or the handheld body;

[0008] A power switch is provided on the handle portion and away from the display area. The power switch is connected to the main control unit and configured to start and stop the floor washer.

[0009] A display module is provided on the handle portion and within the display area. The display module includes a number of working state label portions corresponding to the working state information of the floor washer, and a number of display light sources connected to the main control unit and configured to light up the working state label portions.

[0010] An expansion module is provided on the handle portion and adjacent to the display module. The expansion module includes an expansion connection portion and a first communication connection portion provided on the expansion connection portion and communicatively connected to the main control unit.

[0011] An expansion bracket includes a bracket body detachably connected to the expansion connection portion and configured to carry an intelligent terminal device, a second communication connection portion provided on the bracket body and adapted to the first communication connection portion, and a third communication connection portion provided on the bracket body and configured to communicatively connect to the intelligent terminal device. The expansion bracket is configured such that when the expansion bracket is connected to the expansion connection portion, the expansion bracket shields above the display module and the second communication connection portion communicatively connects to the first communication connection portion.

[0012] According to an embodiment of the present invention, the expansion connection portion and the bracket body are connected by snap connection, magnetic attraction connection or plug connection.

[0013] According to an embodiment of the present invention, the expansion connection portion includes a snap portion, the first communication connection portion is provided on the snap portion, and a snap cooperation portion cooperating with the snap portion is provided on the bracket body.

[0014] According to an embodiment of the present invention, the snap portion includes a card slot provided on the handle portion, and the snap cooperation portion includes a hook provided on the bracket body and cooperating with the card slot.

[0015] According to an embodiment of the present invention, the first communication connection portion is provided in the card slot, and the second communication connection portion is provided on the hook.

[0016] According to an embodiment of the present invention, a protrusion is provided on the inner surface of the card slot, and a groove cooperating with the protrusion is provided on the hook.

[0017] According to an embodiment of the present utility model, the floor washer further includes a plug detachably disposed on the card slot, and the plug is configured to block the card slot and be flush with the surface of the handle portion when the extension bracket is removed from the extension connection portion.

[0018] According to an embodiment of the present utility model, the bracket body includes a support wall for supporting the intelligent terminal device, and two clamping arms movably disposed on opposite sides of the support wall and configured to clamp the intelligent terminal device.

[0019] According to an embodiment of the present utility model, chutes extending toward the inside of the support wall are provided on opposite side end faces of the support wall, sliders cooperating with the chutes are provided on the two clamping arms, the third communication connection portion is provided on one of the two clamping arms, and a limiting portion for limiting the intelligent terminal device on the support wall is provided on the other of the two clamping arms.

[0020] According to an embodiment of the present utility model, the first communication connection portion is a communication plug-in end, the second communication connection portion is a communication plug-in interface matching the communication plug-in end, and the third communication connection portion is a communication connector for communicating with the intelligent terminal device.

[0021] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0022] By providing an extension module on the handle portion of the handheld body, the extension module includes an extension connection portion and a first communication connection portion, and an extension bracket capable of carrying intelligent terminal devices such as mobile phones is detachably connected to the extension connection portion. The extension bracket is provided with a second communication connection portion cooperating with the first communication connection portion and a third communication connection portion for communicating with intelligent terminal devices such as mobile phones. When the extension bracket is connected to the extension connection portion, intelligent terminal devices such as mobile phones can be connected to the extension bracket, providing a human-computer interaction interface for the user. The user can view the working status information of the floor washer and operate the floor washer through the intelligent terminal devices such as mobile phones carried on the extension bracket, making the operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a perspective view of the handle portion of the handheld body of the floor washer according to an embodiment of the present utility model without the extension bracket and the intelligent terminal device connected;

[0024] Figure 2 is Figure 1 the partial enlarged view of the portion A shown in

[0025] Figure 3 Is Figure 1 The explosion diagram of the mop washer's handheld body's handle part after removing the plug and about to connect the expansion bracket and the smart terminal device as shown in

[0026] Figure 4 Is Figure 3 The three-dimensional diagram of the mop washer's handheld body's handle part with the expansion bracket and the smart terminal device connected as shown in

[0027] Figure 5 Is Figure 4 The three-dimensional diagram of the user adjusting the working parameters of the mop washer by operating the smart terminal device on the expansion bracket as shown in

[0028] Figure 6 Is Figure 5 The sectional view of the mop washer's handheld body's handle part with the smart terminal device connected through the expansion bracket as shown in

[0029] Figure 7 Is Figure 6 The local enlarged view at position B as shown in

[0030] Figure 8 Is Figure 5 The explosion diagram of the mop washer's handheld body's handle part with the smart terminal device connected through the expansion bracket as shown in

[0031] Figure 9 Is Figure 8 The local enlarged view at position C as shown in

[0032] The reference numerals are as follows:

[0033] 100, mop washer; 200, smart terminal device;

[0034] 10, cleaning base; 11, stirring chamber; 12, roller brush; 13, suction port; 14, suction pipe;

[0035] 20, handheld body; 21, sewage tank; 22, water tank; 23, handle part; 231, display area; 24, negative pressure source;

[0036] 30, display module; 31, working status label part; 32, display light source;

[0037] 40, power switch;

[0038] 50, expansion module; 51, expansion connection part; 52, first communication connection part; 53, engaging part; 531, card slot; 532, protrusion;

[0039] 60. Expansion bracket; 61. Bracket body; 62. Second communication connection part; 63. Third communication connection part; 64. Clamping and mating part; 641. Hook; 642. Groove; 65. Support wall; 651. Slide groove; 66. Clamping arm; 661. Slide block; 67. Limiting part;

[0040] 70. Plug. Specific embodiments

[0041] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, those of ordinary skill in the art can propose various structural ways and implementation ways that can be mutually replaced. Therefore, the following specific embodiments and the accompanying drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as all of the present invention or regarded as a limitation or restriction on the technical solution of the present invention.

[0042] According to Figure 1 、 Figure 2As shown in the figure, an embodiment of the present utility model provides a floor washer 100, which includes a cleaning base 10 and a handheld body 20. Among them, the cleaning base 10 is adapted to move forward from the back on the surface to be cleaned and perform cleaning operations. The lower end of the handheld body 20 is rotatably connected to the cleaning base 10, and the upper end of the handheld body 20 is provided with a handle part 23 for the user's hand to hold the handheld body 20. A stirring cavity 11 is provided at the front of the cleaning base 10, a rolling brush 12 is rotatably arranged in the stirring cavity 11 of the cleaning base 10, and a suction port 13 fluidly connected to the stirring cavity 11 is provided at the bottom of the cleaning base 10. The suction port 13 is configured to suck sewage on the surface to be cleaned. A driving mechanism (not shown in the figure) for driving the rolling brush 12 to rotate is provided on the cleaning base 10. The structural composition of the driving mechanism can be a driving motor and a belt transmission structure. By respectively installing corresponding pulleys on the end of the rolling brush 12 and the output shaft of the driving motor, and connecting a transmission belt between the two pulleys, when the driving motor operates, power is transmitted to the rolling brush 12 through the belt, driving the rolling brush 12 to perform a circular motion. In other embodiments, the structural composition of the driving mechanism can also be a driving motor and a gear transmission structure. For example, corresponding gears are respectively installed on the end of the rolling brush 12 and the output shaft of the driving motor, and a transmission gear is meshed and transmitted between the two gears, or the two gears are directly meshed and matched, which can also realize driving the rolling brush 12 to perform a circular motion, and the specific structure is not limited. A suction pipeline 14 is arranged inside the cleaning base 10. One end of the suction pipeline 14 is fluidly connected to the suction port 13, and the other end of the suction pipeline 14 is fluidly connected to a sewage tank 21 on the handheld body 20. The floor washer 100 further includes a negative pressure source 24 for providing suction force. The negative pressure source 24 can be arranged on the upper part of the sewage tank 21 and is in airflow communication with the exhaust port of the sewage tank 21. The negative pressure source 24 can be a negative pressure fan, and the negative pressure fan is detachably arranged on the handheld body 20. In other embodiments, the negative pressure source 24 can also be arranged on the cleaning base 10, and the negative pressure source 24 can also be a negative pressure pump, and the specific structure is not limited.

[0043] To facilitate wetting the surface to be cleaned so as to brush dirt and other attachments on the surface to be cleaned, the floor washer 100 further includes a water tank 22 arranged on the handheld body 20 and a water distribution assembly (not shown in the figure) fluidly connected to the water tank 22. The water tank 22 is arranged at the front of the handheld body 20 and in front of the sewage tank 21. The water distribution assembly can include a nozzle arranged on the cleaning base 10 and spraying clean water towards the surface of the rolling brush 12, and a pump arranged on the cleaning base 10. In other embodiments, the nozzle of the water distribution assembly can also spray clean water directly towards the surface to be cleaned in front of the rolling brush 12. Secondly, the pump of the water distribution assembly can also be arranged on the handheld body 20, and the specific structure is not limited.

[0044] When the floor washer 100 is working, the cleaning base 10 moves forward from back on the surface to be cleaned. The rolling brush 12 sweeps and scrubs the surface to be cleaned and pushes the sewage on the surface to be cleaned towards the suction port 13. The sewage and air are sucked into the suction pipeline 14 from the suction port 13 and are sent into the sewage tank 21 by the suction pipeline 14. The sewage stays in the sewage tank 21, and the air is sucked away by the negative pressure source 24 and discharged into the external environment.

[0045] The floor washer 100 further includes a main control unit disposed on the handheld body 20. The main control unit is respectively and controllably connected to the drive motor for driving the rolling brush 12 to rotate, the negative pressure source 24 and the pump, and can control the rotation speed of the drive motor, the suction power of the negative pressure source 24 and the rotation speed of the pump. The main control unit can be a PCB control board or an MCU control chip, and there is no specific limitation.

[0046] A display area 231 is provided on the handle portion 23. The floor washer 100 includes a display module 30 disposed on the handle portion 23 and within the display area 231. The display module 30 includes a number of working state label portions 31 corresponding to the working state information of the floor washer 100 and a number of display light sources 32 that are controllably connected to the main control unit and are configured to light up the working state label portions 31. Among them, the working state label portion 31 can be a paper label pasted in the display area 231 of the handle portion 23, such as a label sticker indicating the power level, a label sticker indicating the power of the negative pressure source 24 (i.e., the magnitude of the suction force), etc. The display light source 32 can be an LED lamp bead arranged at the corresponding position of each paper label. The main control unit can control the display light source 32 to display and output corresponding colors and brightness based on the power usage state of the floor washer 100 and the working state of the negative pressure source 24. When the floor washer 100 is working, such as in a fully charged working state, the LED lamp bead of the label sticker corresponding to the power level will be constantly on and display green. When the power level of the floor washer 100 is insufficient, the LED lamp bead of the label sticker corresponding to the power level will dim or remain unchanged in brightness, and the color will change from green to red. Secondly, when the negative pressure source 24 operates at a low power, the LED lamp bead of the label sticker corresponding to the power of the negative pressure source 24 displays green, and when it is at a high power, it is red. In other embodiments, in addition to the structure of the label sticker and the LED lamp bead, the display module 30 can also be a miniature display screen that can display the power level of the floor washer 100, the power magnitude of the negative pressure source 24, etc., and there is no specific limitation.

[0047] The floor washer 100 is provided with a power switch 40 at a position on the handle part 23 and away from the display area 231. The power switch 40 is controlledly connected to the main control unit and is configured to be respectively controlledly connected to a drive motor for driving the rotary brush 12 to rotate, a negative pressure source 24 for providing negative pressure suction, and a pump for supplying clean water to the nozzle. The user can start the floor washer 100 by operating the power switch 40, so that the drive motor, the negative pressure source 24 and the pump operate respectively.

[0048] Specifically, it should be noted that after the user starts the floor washer 100, the user can only roughly judge the current working state of the floor washer 100, such as the remaining power information, the power information of the negative pressure source 24, etc., through the color and brightness displayed by the LED lamp beads, and there is only a single working mode. The user cannot view and adjust the working state parameter information of the floor washer 100 in detail, and the operation is not convenient enough.

[0049] According to Figure 3 、 Figure 4 and Figure 5 As shown, to solve the above problems, the floor washer 100 further includes an expansion module 50 and an expansion bracket 60. Among them, the expansion module 50 is arranged on the handle part 23 and located within the display area 231 and is arranged adjacent to the display module 30. The expansion module 50 is configured to be connectable to the expansion bracket 60, and a communication interface end is provided on the expansion bracket 60. The expansion bracket 60 is configured to allow the user's intelligent terminal device 200 (such as a smart phone) to be installed on the expansion bracket 60 and communicate with the communication interface end of the expansion bracket 60, so as to realize the communication connection between the intelligent terminal device 200 and the main control unit of the floor washer 100. The user can download an APP software adapted to the floor washer 100 on the intelligent terminal device 200 (such as a smart phone), and communicate with the main control unit of the floor washer 100 by operating the APP software on the mobile phone, so as to operate the floor washer 100 on the mobile phone, such as adjusting the rotation speed of the drive motor, the power of the negative pressure source 24 (i.e., the magnitude of the suction force), and real-time viewing information such as the power of the floor washer 100, the storage capacity of the sewage tank 21, and the remaining water volume in the clean water tank 22. The operation is more convenient. In other embodiments, the intelligent terminal device 200 is not limited to a smart phone, and may also be a tablet or other device that can establish a communication connection with the floor washer, and specific limitations are not made.

[0050] According to Figure 6 、 Figure 7As shown, the expansion module 50 includes an expansion connection part 51 and a first communication connection part 52. Among them, the first communication connection part 52 is arranged on the expansion connection part 51 and is in communication connection with the main control unit of the floor washer 100. The expansion bracket 60 includes a bracket body 61, a second communication connection part 62 and a third communication connection part 63. The bracket body 61 is detachably connected to the expansion bracket 60. The second communication connection part 62 is arranged on the bracket body 61 and is adapted to the first communication connection part 52. The third communication connection part 63 is arranged on the bracket body 61 and is configured to communicate with the intelligent terminal device 200.

[0051] When the expansion bracket 60 is connected to the expansion connection part 51, the expansion bracket 60 shields above the display module 30 and the second communication connection part 62 is in communication connection with the first communication connection part 52. The intelligent terminal device 200 (such as a smart phone) can be connected to the expansion bracket 60 and communicate with the third communication connection part 63, providing a human-computer interaction interface for the user. The user can view the working status information of the floor washer 100 and operate the floor washer 100 through the intelligent terminal device 200 carried on the expansion bracket 60, such as adjusting the power of the negative pressure source 24 (i.e., the suction force), adjusting the rotation speed of the roller brush 12, adjusting the rotation speed of the pump, etc., which is more convenient to operate.

[0052] To facilitate connecting the expansion bracket 60 to the expansion connection part 51 of the expansion module 50, the expansion connection part 51 and the bracket body 61 are connected by a snap connection. Specifically, the expansion connection part 51 includes a clamping part 53, and the first communication connection part 52 is arranged on the clamping part 53. A clamping cooperation part 64 cooperating with the clamping part 53 is arranged on the bracket body 61. The clamping part 53 includes a clamping groove 531 arranged on the handle part 23, and the clamping cooperation part 64 includes a clamping hook 641 arranged on the bracket body 61 and cooperating with the clamping groove 531. The first communication connection part 52 is arranged in the clamping groove 531, and the second communication connection part 62 is arranged on the clamping hook 641. In other embodiments, the snap connection structure between the expansion connection part 51 and the bracket body 61 is not limited to the cooperation structure of the clamping hook 641 and the clamping groove 531, and can also be mutually locked claws; in addition, the connection between the expansion connection part 51 and the bracket body 61 is not limited to snap connection, and can also be magnetic connection or plug connection, which is not specifically limited.

[0053] To avoid the situation that the expansion bracket 60 accidentally loosens due to external force after being connected to the expansion connection part 51 of the expansion module 50, further, a protrusion 532 is arranged on the inner surface of the clamping groove 531, and a groove 642 cooperating with the protrusion 532 is arranged on the clamping hook 641. After the clamping hook 641 is snapped into the clamping groove 531, the groove 642 on the clamping hook 641 is simultaneously buckled with the protrusion 532 on the inner surface of the clamping groove 531, which can provide a more stable clamping effect.

[0054] According to Figure 2 、 Figure 7 As shown, for the convenience of protecting the expansion module 50 when the expansion module 50 is not connected to the expansion bracket 60 and the intelligent terminal device 200, the floor washer 100 further includes a plug 70 detachably arranged on the card slot 531. The plug 70 is configured to block the card slot 531 and be flush with the surface of the handle part 23 when the expansion bracket 60 is removed from the expansion connection part 51. The shape of the plug 70 can match the notch of the card slot 531, such as a square card slot 531 and a square plug 70. In other embodiments, if the notch of the card slot 531 is pentagonal or circular, the outer shape of the plug 70 can also be designed as pentagonal or circular, and specific limitations are not made.

[0055] For the convenience of communication connection between the first communication connection part 52 and the second communication connection part 62, the first communication connection part 52 can adopt a communication plug-in end, such as a type-C plug, and the second communication connection part 62 can adopt a communication plug-in socket adapted to the communication plug-in end, such as a type-C socket. In other embodiments, the communication connection structure between the first communication connection part 52 and the second communication connection part 62 can also adopt a suitable communication connector and communication interface, such as a USB connector and a USB interface, etc., and specific limitations are not made.

[0056] For the convenience of communication connection between the third communication connection part 63 and the intelligent terminal device 200, the third communication connection part 63 is a communication connector for communicating with the intelligent terminal device 200, and specifically can be a type-C connector. In other embodiments, the third communication connection part 63 can also adopt a communication connector adapted to the intelligent terminal device 200, such as a USB connector, etc., and specific limitations are not made.

[0057] According to Figure 8 、 Figure 9 As shown, for the convenience of carrying the intelligent terminal device 200 on the expansion bracket 60, the bracket body 61 of the expansion bracket 60 includes a support wall 65 for supporting the intelligent terminal device 200, and two clamping arms 66 movably arranged on opposite sides of the support wall 65 and configured to clamp the intelligent terminal device 200. Among them, sliding grooves 651 extending towards the inside of the support wall 65 are arranged on opposite side end faces of the support wall 65, sliding blocks 661 cooperating with the sliding grooves 651 are arranged on the two clamping arms 66, and the third communication connection part 63 is arranged on one of the two clamping arms 66.

[0058] To prevent the intelligent terminal device 200 from accidentally falling off the expansion bracket 60, a limiting portion 67 for limiting the intelligent terminal device 200 on the support wall 65 is provided on the other of the two clamping arms 66. The limiting portion 67 is a convex portion provided on the clamping arm 66 and protruding from the inner surface of the clamping arm 66. When the intelligent terminal device 200 is clamped on the support wall 65 by the two clamping arms 66, the communication socket at the tail of the intelligent terminal device 200 is plugged into the communication plug (i.e., the third communication connection portion 63) on one of the clamping arms 66, and the head of the intelligent terminal device 200 is abutted against the support wall 65 by the limiting portion 67 on the other clamping arm 66. That is, the two clamping arms 66 clamp the intelligent terminal device 200 along the length direction or the width direction of the support wall 65, and the limiting portion 67 limits the intelligent terminal device 200 on the support wall 65 in a direction perpendicular to the support wall 65.

[0059] The technical scope of the present utility model is not limited to the content in the above specification. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of the present utility model, and these deformations and modifications should all fall within the protection scope of the present utility model.

Claims

1. A floor washer, characterized in that, Comprising: A cleaning base, adapted to move forward from back on the surface to be cleaned; A handheld body, one end of which is rotatably connected to the cleaning base, and a handle part for user operation is arranged at the other end. A display area is arranged on the handle part; A main control unit, arranged on the cleaning base or the handheld body; A power switch, arranged on the handle part and far away from the display area. The power switch is in control connection with the main control unit and is configured to start and stop the floor washer; A display module, arranged on the handle part and within the display area. The display module includes several working state label parts corresponding to the working state information of the floor washer, and several display light sources in control connection with the main control unit and configured to light up the working state label parts; An expansion module, arranged on the handle part and adjacent to the display module. The expansion module includes an expansion connection part and a first communication connection part arranged on the expansion connection part and in communication connection with the main control unit; An expansion bracket, including a bracket body detachably connected to the expansion connection part and configured to carry an intelligent terminal device, a second communication connection part arranged on the bracket body and adapted to the first communication connection part, and a third communication connection part arranged on the bracket body and configured to communicate with the intelligent terminal device. The expansion bracket is configured such that when the expansion bracket is connected to the expansion connection part, the expansion bracket blocks above the display module and the second communication connection part communicates with the first communication connection part.

2. The floor washer according to claim 1, characterized in that: The connection between the expansion connection part and the bracket body is a snap connection, a magnetic attraction connection or a plug connection.

3. The floor washer according to claim 1, wherein: The expansion connection part includes a clamping part, the first communication connection part is arranged on the clamping part, and a clamping cooperation part cooperating with the clamping part is arranged on the bracket body.

4. The floor washer according to claim 3, wherein: The clamping part includes a clamping groove arranged on the handle part, and the clamping cooperation part includes a clamping hook arranged on the bracket body and cooperating with the clamping groove.

5. The floor washer according to claim 4, wherein: The first communication connection part is arranged in the clamping groove, and the second communication connection part is arranged on the clamping hook.

6. The floor washer according to claim 4, wherein: Protrusions are arranged on the inner surface of the clamping groove, and grooves cooperating with the protrusions are arranged on the clamping hook.

7. The floor washer according to claim 4, wherein: The floor washer further includes a plug detachably arranged on the clamping groove. The plug is configured to block the clamping groove and be flush with the surface of the handle part when the expansion bracket is removed from the expansion connection part.

8. The floor washer according to claim 1, wherein: The bracket body includes a support wall for supporting the intelligent terminal device, and two clamping arms movably arranged on opposite sides of the support wall and configured to clamp the intelligent terminal device.

9. The floor washer according to claim 8, characterized in that: On opposite side end faces of the described support wall, there are sliding grooves extending towards the inside of the support wall, on the two clamping arms, there are sliding blocks cooperating with the sliding grooves, the third communication connection part is arranged on one of the two clamping arms, and on the other of the two clamping arms, there is a limiting part for limiting the intelligent terminal device on the support wall.

10. The floor washer according to claim 1, wherein: The first communication connection part is a communication plug-in end, the second communication connection part is a communication plug-in socket matching the communication plug-in end, and the third communication connection part is a communication connector for communicating with the intelligent terminal device.

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