CN217390626U

CN217390626U - Floor cleaning machine

Info

Publication number: CN217390626U
Application number: CN202220143355.6U
Authority: CN
Inventors: 杨勇
Original assignee: Shenzhen 3irobotix Co Ltd
Current assignee: Shenzhen 3irobotix Co Ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-09-09
Anticipated expiration: 2032-01-19
Also published as: EP4285804A1; US20230397787A1; WO2023137883A1

Abstract

A floor scrubber comprising: a main body; a floor brush including a front cleaning brush and a rear cleaning brush, a front suction port and a rear suction port provided to face the front cleaning brush and the rear cleaning brush, respectively, and a main suction port; a front flow guide channel with two ends respectively communicated with the main suction opening and the front suction opening and used for guiding the sewage collected by the front cleaning brush to the main suction opening; the two ends of the rear guide channel are respectively communicated with the main suction port and the rear suction port, and the rear guide channel is used for guiding the sewage collected by the rear cleaning brush to the main suction port; the central axes of the front diversion channel and the rear diversion channel are intersected in the front diversion channel. According to the floor washing machine, the front suction port and the rear suction port are arranged facing the front cleaning brush and the rear cleaning brush, so that the suction loss in the front guide channel and the rear guide channel can be reduced; and the central axes of the front and rear diversion channels are intersected in the front diversion channel, and a water storage groove is arranged in the rear diversion channel, so that the sewage can be prevented from flowing back to the ground.

Description

Floor scrubber

[ technical field ] A method for producing a semiconductor device

The utility model relates to a cleaning device field especially relates to a floor cleaning machine.

[ background of the invention ]

The floor cleaning machine is used as a cleaning household appliance, and a front cleaning brush and a rear cleaning brush are arranged in the floor cleaning machine. When the floor cleaning machine works, the front cleaning brush and the rear cleaning brush can independently move and clean the ground in the rotating process.

During the cleaning process of the floor washing machine, the front cleaning brush and the rear cleaning brush can collect sewage on the ground. In order to adsorb the collected sewage, a front diversion channel and a rear diversion channel communicated with the main suction port are arranged in the floor washing machine, so that the sewage collected by the front cleaning brush and the rear cleaning brush is sucked into the main suction port along the front diversion channel and the rear diversion channel respectively. The main suction port is used for adsorbing sewage from the front and rear flow guide channels through the vacuum adsorption machine, so that the suction force inside the front and rear flow guide channels is insufficient, the sewage inside the front and rear flow guide channels flows back to the ground, the requirement of secondary cleaning is met, and the use experience of a user is reduced.

Therefore, how to reduce the suction loss in the front and rear guide channels to improve the efficiency of the main suction port for absorbing the sewage in the front and rear guide channels and avoid the sewage from flowing back to the ground.

[ Utility model ] content

The utility model aims to provide a floor washing machine, which is provided with front and rear suction ports respectively facing front and rear cleaning brushes, and can reduce the suction loss in the front and rear diversion channels; and the central axes of the front and rear diversion channels are intersected in the front diversion channel, and a water storage groove is arranged in the rear diversion channel, so that the sewage can be prevented from flowing back to the ground.

The purpose of the utility model is realized through the following technical scheme:

a floor washing machine is characterized by comprising a main machine body and a floor brush positioned at one end of the main machine body;

the floor brush comprises:

a housing having opposing front and rear portions;

a front cleaning brush disposed at the front of the housing;

a rear cleaning brush disposed at the rear of the housing;

the main suction opening is used for allowing sewage collected by the front cleaning brush and the rear cleaning brush in an auxiliary mode to enter;

a front suction opening disposed facing the front cleaning brush;

a rear suction opening disposed facing the rear cleaning brush;

a front flow guide channel, one end of which is communicated with the main suction opening, and the other end of which is communicated with the front suction opening, and is used for guiding the sewage collected by the front cleaning brush to the main suction opening;

one end of the rear diversion channel is communicated with the main suction port, and the other end of the rear diversion channel is communicated with the rear suction port and is used for guiding the sewage collected by the rear cleaning brush to the main suction port;

the central axes of the front flow guide channel and the rear flow guide channel are intersected in the front flow guide channel.

In one embodiment, the range of the included angle between the central axis of the front guide flow channel and the central axis of the rear guide flow channel is greater than 20 degrees and less than 50 degrees.

In one embodiment, the included angle between the front flow guiding channel and the ground is greater than 30 degrees and smaller than 40 degrees.

In one embodiment, the range of the included angle between the rear diversion channel and the ground is less than 15 °.

In one embodiment, the front flow guide channel comprises a front flow guide channel inlet, and a positioning plate is vertically arranged close to the front flow guide channel inlet; the positioning plate is clamped with the fixing plate in the main machine body.

In one embodiment, at least one fixing screw hole is further arranged close to the inlet of the front flow guide channel; the at least one fixing screw hole is formed in one side, opposite to the inlet of the front flow guide channel, of the positioning plate.

In one embodiment, one end of the rear flow guide channel, which is communicated with the main suction opening, is of a corner structure, and a water storage groove is formed in the corner structure.

In one embodiment, the range of the arc angle of the water storage groove is greater than 60 degrees and smaller than 100 degrees.

In one embodiment, the floor brush further comprises a three-way flow guide piece; the main suction port, the front diversion channel and the rear diversion channel are all arranged on the three-way diversion piece.

In one embodiment, the three-way flow guide piece comprises a main body part and a cover body part; the side of the main body part is provided with an opening, and the cover body part is used for plugging the opening.

Compared with the prior art, the utility model discloses following beneficial effect has:

according to the floor washing machine, the front suction port and the rear suction port are respectively arranged facing the front cleaning brush and the rear cleaning brush, so that the suction loss in the front guide channel and the rear guide channel can be reduced; and the central axes of the front and rear diversion channels are intersected in the front diversion channel, and a water storage groove is arranged in the rear diversion channel, so that the sewage can be prevented from flowing back to the ground.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

FIG. 1 is a schematic diagram of a scrubber provided herein.

FIG. 2 is a side view of the three-way deflector of the scrubber of FIG. 1.

Fig. 3 is a structural schematic diagram of the floor washing machine shown in fig. 1 in a disassembled state of the three-way deflector.

Reference numerals: 1. a main body; 2. a handle; 3. a floor brush; 301. a housing; 302. a front cleaning brush; 303. a rear cleaning brush; 304. a front suction opening; 305. a rear suction opening; 306. a three-way flow guide member; 307. a main suction opening; 308. a front flow-guide channel; 309. a rear diversion channel; 3081. a front flow channel inlet; 3082. positioning a plate; 3083. a fixing plate; 3084. a first seal ring; 3085. fixing screw holes; 30821. a first step structure; 30831. a second step structure; 3091. an inlet of the rear diversion channel; 3092. a second seal ring; 3093. a water storage groove; 3061. a main body portion; 3062. a lid portion; 3063. and (4) opening.

[ detailed description ] embodiments

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. 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 application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 to 3, a floor washing machine according to an embodiment of the present disclosure includes a main body 1, a handle 2, and a floor brush 3. One end of the main machine body 1 is rotationally connected with the handle 2, and the other end is provided with a floor brush 3. The user drives the floor brush 3 to move on the ground by holding the handle 2.

The floor brush 3 comprises a housing 301, a front cleaning brush 302 and a rear cleaning brush 303. The housing 301 has opposite front and rear portions. A front cleaning brush 302 and a rear cleaning brush 303 are disposed at the front and rear of the housing 301, respectively. The front cleaning brush 302 and the rear cleaning brush 303 are respectively connected with a motor (not shown in the figure) in a driving way, and the front cleaning brush 302 and the rear cleaning brush 303 rotate under the driving of the motor to roll and clean the ground.

The floor brush 3 further comprises a front suction opening 304 and a rear suction opening 305 arranged facing the front cleaning brush 302 and the rear cleaning brush 303, respectively. The front suction port 304 and the rear suction port 305 are generally trumpet-shaped as a whole, and have their ends with larger openings facing the front cleaning brush 302 and the rear cleaning brush 303, respectively. The front suction opening 304 and the rear suction opening 305 are used to suck dirty water adhering to the surface during cleaning of the floor by the front cleaning brush 302 and the rear cleaning brush 303, respectively. The front suction port 304 and the rear suction port 305 can independently adsorb the front cleaning brush 302 and the rear cleaning brush 303, reduce the loss of suction force to the front cleaning brush 302 and the rear cleaning brush 303, and prevent sewage from flowing back to the ground.

The space of the floor brush 3 between the front cleaning brush 302 and the rear cleaning brush 303 is also provided with a three-way flow guide 306. The three-way flow guide 306 includes a main suction opening 307, a front flow guide channel 308, and a rear flow guide channel 309. The main suction opening 307 is arranged above the three-way deflector 306 and is in sealing connection with a vacuum suction machine (not shown in the figure) inside the floor brush 3. When the vacuum adsorption machine works, negative pressure suction force is applied to the inside of the three-way flow guide piece 306 through the main suction port 307, and sewage collected by the front cleaning brush 302 and the rear cleaning brush 303 is adsorbed and conveyed to a sewage tank inside the floor washing machine for collection.

The front flow guide 308 has one end communicating with the main suction opening 307 and the other end communicating with the front suction opening 304 for guiding the dirty water collected by the front cleaning brush 302 to the main suction opening 307. A first sealing ring 3084 is arranged at the inlet 3081 of the front flow guide channel 308 communicated with the front suction opening 304 to realize the sealing connection between the front flow guide channel 308 and the front suction opening 304 and avoid the leakage of sewage at the interface between the front flow guide channel 308 and the front suction opening 304. The first sealing ring 3084 may be, but is not limited to, a silicone sealing ring.

The leading flow channel 308 is angled from the ground in a range of greater than 30 deg. and less than 40 deg., preferably 35 deg.. The above-mentioned included angle range can ensure that the sewage is quickly delivered to the main suction port 307 in the front diversion channel 308, and avoid the sewage backflow caused by the excessively inclined front diversion channel 308 relative to the ground.

The front flow channel 308 is vertically provided with a positioning plate 3082 near the front flow channel inlet 3081. A fixing plate 3083 is provided inside the case 301 at a position corresponding to the positioning plate 3082. The locating plate 3082 and the fixing plate 3083 are engaged with each other to fix the three-way flow guide member 306 in the housing 301, so as to ensure that the front flow guide channel 308 and the rear flow guide channel 309 are aligned and connected with the front suction port 304 and the rear suction port 305, respectively. The top of locating plate 3082 is provided with first stair structure 30821, and the bottom of fixed plate 3083 is provided with second stair structure 30831, and first stair structure 30821 and second stair structure 30831 are aimed at the gomphosis each other, realize that locating plate 3082 and fixed plate 3083 block are fixed.

The front flow channel 308 is also provided with at least one fixing screw hole 3085 near the front flow channel inlet 3081. At least one fixing screw hole 3085 is provided at a side of the locating plate 3082 opposite to the front flow channel inlet 3081. After the positioning plate 3082 and the fixing plate 3083 are aligned and engaged with each other, the bolt passes through the fixing screw hole 3085 and is threadedly coupled with the housing 301, thereby integrally installing the three-way flow guide 306 in the housing 301.

One end of the rear guide flow path 309 communicates with the main suction port 307, and the other end communicates with the rear suction port 305 for guiding the sewage collected by the rear cleaning brush 303 to the main suction port 307. A second sealing ring 3092 is arranged at a rear guide channel inlet 3091 of the rear guide channel 309 communicated with the rear suction port 305 so as to realize the sealing connection of the rear guide channel 309 and the rear suction port 305 and avoid the sewage from leaking at the interface of the rear guide channel 309 and the rear suction port 305. The second sealing ring 3092 can be, but is not limited to, a silicone sealing ring.

The rear deflector channel 309 is angled to the ground in a range of less than 15 deg., preferably 10 deg.. The above-mentioned included angle range can prevent the sewage from being rapidly conveyed to the main suction port 307 in the rear diversion channel 309, and prevent the rear diversion channel 309 from being excessively inclined with respect to the ground to cause the sewage to flow back.

One end of the rear flow guide channel 309 communicated with the main suction port 307 is of a corner structure, and a water storage groove 3093 is formed in the corner structure. When the floor cleaning machine stops working, a certain amount of sewage can be remained in the rear diversion channel 309, and the remained sewage can be stored in the water storage groove 3093, so that the sewage is effectively prevented from flowing back to the ground. The water storage groove 3093 is integrally arc-shaped, and the corresponding arc angle extending range of the water storage groove 3093 in the corner structure is larger than 60 degrees and smaller than 100 degrees, preferably 90 degrees. The arc angle of the water storage groove 3093 within the above range is set, so that the space of the corner structure can be fully utilized, and the water storage space of the water storage groove 3093 can be increased.

In addition, the central axes of the leading flow channel 308 and the trailing flow channel 309 intersect in the leading flow channel 308. When the floor washing machine stops working, the residual sewage in the front diversion channel 308 can flow into the rear diversion channel 309 and be stored in the water storage groove 3093, so that the sewage in the front diversion channel 308 is prevented from flowing back to the ground, and meanwhile, the conveying efficiency of the sewage from the front diversion channel 308 and the rear diversion channel 309 to the main suction opening 307 can be improved.

The leading flow channel 308 is angled with respect to the central axis of the trailing flow channel 309 in a range of greater than 20 ° and less than 50 °, preferably 30 °. By setting the included angle between the central axes of the front diversion channel 308 and the rear diversion channel 309 to be within the above range, the flow speed of the sewage in the communication and connection area between the front diversion channel 308 and the main suction port 307 and the rear diversion channel 309 can be increased, and the sewage can be prevented from flowing back in the communication and connection area.

In one embodiment, the three-way deflector 306 includes a body portion 3061 and a cover portion 3062. The main body 3601 is provided therein with a main suction port 307, a front flow guide passage 308, and a rear flow guide passage 309. Body portion 3061 may be made by injection molding of plastic. An opening 3063 is provided in one side of the three-way flow guide 306. The cover 3062 is shaped to fit the opening 3063 and seals the opening 3063 to prevent leakage of the contaminated water from the opening 3063. The three-way flow guide piece 306 is a structural piece with a three-channel opening, the internal structure of the three-way flow guide piece is complex, and the three-way flow guide piece 306 is arranged into two discrete parts, namely a main body part 3061 and a cover body part 3062, so that the manufacturing difficulty and the manufacturing cost of the three-way flow guide piece 306 can be reduced.

The above is only a specific embodiment of the present invention, and other improvements made on the premise of the inventive concept are all considered as the protection scope of the present invention.

Claims

1. A floor washing machine is characterized by comprising a main machine body (1) and a floor brush (3) positioned at one end of the main machine body (1);

the floor brush (3) comprises:

a housing (301) having opposing front and rear portions;

a front cleaning brush (302) provided at the front of the housing (301);

a rear cleaning brush (303) provided at the rear of the housing (301);

a main suction opening (307) into which the sewage collected by the front cleaning brush (302) and the rear cleaning brush (303) is introduced;

a front suction opening (304), the front suction opening (304) being disposed facing the front cleaning brush (302);

a rear suction opening (305), the rear suction opening (305) being disposed facing the rear cleaning brush (303);

a front flow guide channel (308) with one end communicated with the main suction opening (307) and the other end communicated with the front suction opening (304) and used for guiding the sewage collected by the front cleaning brush (302) to the main suction opening (307);

a rear diversion channel (309), one end of which is communicated with the main suction opening (307), and the other end of which is communicated with the rear suction opening (305), and is used for guiding the sewage collected by the rear cleaning brush (303) to the main suction opening (307);

the central axes of the front flow guide channel (308) and the rear flow guide channel (309) intersect in the front flow guide channel (308).

2. The machine according to claim 1, wherein the angle between the leading flow channel (308) and the central axis of the trailing flow channel (309) ranges from more than 20 ° to less than 50 °.

3. The scrubber according to claim 1, wherein the leading flow channel (308) is angled to the ground in a range of greater than 30 ° and less than 40 °.

4. The floor washing machine according to claim 1, characterized in that the rear deflector channel (309) has an angle with the ground in the range of less than 15 °.

5. The scrubber according to claim 1, wherein the front flow channel (308) includes a front flow channel inlet (3081), and a positioning plate (3082) is vertically disposed adjacent to the front flow channel inlet (3081); the positioning plate (3082) is mutually clamped with a fixing plate (3083) in the main machine body (1).

6. The floor washing machine according to claim 5, characterized in that at least one fixing screw hole (3085) is further provided near the front flow guide channel inlet (3081); the at least one fixing screw hole (3085) is disposed at a side of the locating plate (3082) opposite to the front flow guide channel inlet (3081).

7. The floor washing machine according to claim 1, wherein an end of the rear diversion passage communicating with the main suction port (307) is in a corner structure, and a water storage groove (3093) is formed in the corner structure.

8. Floor washing machine according to claim 7, characterized in that the range of the arc angle of the water storage groove (3093) is greater than 60 ° and less than 100 °.

9. The floor washing machine according to claim 1, characterized in that the floor brush (3) further comprises a three-way deflector (306); the main suction opening (307), the front flow guide channel (308) and the rear flow guide channel (309) are all arranged on the three-way flow guide piece (306).

10. The floor washing machine of claim 9, wherein the three-way deflector (306) comprises a body portion (3061) and a cover portion (3062); an opening (3063) is formed in the side surface of the main body portion (3061), and the cover portion (3062) is used for sealing the opening (3063).