CN215128084U

CN215128084U - Ground brush assembly with novel flow channel structure and ground cleaning equipment

Info

Publication number: CN215128084U
Application number: CN202120995987.0U
Authority: CN
Inventors: 胡化奎; 梁维培; 陶子初; 陈立超; 陶金民
Original assignee: Ka Fung Industrial Technology Huizhou Co ltd
Current assignee: Ka Fung Industrial Technology Huizhou Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-14
Anticipated expiration: 2031-05-11

Abstract

The utility model relates to a scrubbing brush subassembly and ground cleaning equipment with novel runner structure. The floor brush assembly comprises a floor brush body, a corrugated pipe structure and a floor brush connecting structure; the floor brush body comprises a floor brush main body, a floor brush top cover, a floor brush bottom cover, a brush shaft cover and a brush shaft assembly; the floor brush connecting structure comprises a floor brush connecting shaft and a floor brush connecting seat; a ground brush air inlet cavity is formed by enclosing among the brush shaft assembly, the brush shaft cover and the ground brush main body; a floor brush air inlet is arranged between the lower side of the floor brush main body and the floor brush bottom cover; a connecting shaft cavity communicated with the pipeline cavity is arranged in the floor brush connecting shaft, and a connecting seat cavity is arranged in the floor brush connecting seat; the air inlet cavity of the floor brush, the air inlet of the floor brush, the pipeline cavity, the connecting shaft cavity and the connecting seat cavity are sequentially communicated to form a floor brush flow passage structure. The utility model discloses can solve among the correlation technique runner structural design in the scrubbing brush subassembly unreasonable, lead to adsorbing clean effect not good to subaerial dirty dust, carry unobstructed problem inadequately.

Description

Ground brush assembly with novel flow channel structure and ground cleaning equipment

Technical Field

The utility model relates to a cleaning device technical field, in particular to scrubbing brush subassembly and ground cleaning device with novel runner structure.

Background

With the development of technology and the improvement of living standard, various automatic floor cleaning devices gradually enter thousands of households. In the floor cleaning equipment, the floor brush assembly is an important part for adsorbing and removing dirt and dust on the floor in different scenes so as to realize the floor cleaning function. Moreover, in order to convey the adsorbed dirty dust to the sewage tank assembly, a flow channel structure is arranged in the floor brush assembly, so that the dirty dust can be conveniently adsorbed and conveyed. However, in the conventional art, because the structural design of the flow channel structure in the floor brush assembly is unreasonable, the floor brush assembly has a poor adsorption cleaning effect on the dirt and dust on the ground, the process of conveying the dirt and dust is not smooth enough, and the user is provided with a poor experience effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a scrubbing brush subassembly and ground cleaning equipment with novel runner structure can solve the structural design of the runner structure in the scrubbing brush subassembly among the correlation technique unreasonable, leads to the scrubbing brush subassembly not good to subaerial dirty dust absorption clean effect, and the process of carrying dirty dust is also not unobstructed enough, brings the problem of bad experience effect for the user.

The utility model provides a scrubbing brush subassembly with novel runner structure, include:

the floor brush comprises a floor brush body, a floor brush top cover and a floor brush bottom cover which are respectively arranged on the top surface and the bottom surface of the floor brush body, an arc-shaped brush shaft cover which is convexly covered on the front end of the floor brush top cover, and a brush shaft assembly which is arranged on the front end of the floor brush body and is positioned below the brush shaft cover;

the corrugated pipe structure is bent and extended from the front end of the floor brush bottom cover to the top of the rear end of the floor brush main body and is arranged in the floor brush main body; and the number of the first and second groups,

the floor brush connecting structure comprises a floor brush connecting shaft which is arranged at the top of the rear end of the floor brush main body and is in butt joint with the corrugated pipe structure, and a floor brush connecting seat which is connected with the top of the floor brush connecting shaft;

the floor brush comprises a floor brush body, a floor brush air inlet cavity is formed in the floor brush body, a floor brush air inlet is formed in the floor brush body, a pipeline cavity is formed in the corrugated pipe structure, a connecting shaft cavity is formed in the floor brush connecting shaft, a connecting seat cavity is formed in the floor brush connecting seat, the floor brush air inlet cavity is formed in the floor brush air inlet cavity, the pipeline cavity is formed in the floor brush connecting seat, and the connecting shaft cavity is communicated with the connecting seat cavity in sequence to form a floor brush flow channel structure.

In some embodiments, a side surface of the floor brush main body facing the brush shaft assembly is provided with a floor brush side plate, and a floor brush air inlet communicated with the floor brush air inlet cavity and the pipeline cavity is formed between the lower side of the floor brush side plate and the floor brush bottom cover;

the lower side of the side plate of the floor brush is concavely provided with a side plate groove for forming an air inlet of the floor brush, and the side plate groove is formed by gradually sinking the lateral centers of the left side and the right side of the side plate of the floor brush.

In some embodiments, the inner cavity bottom wall of the floor brush air inlet is arranged to extend obliquely upwards from the front end bottom of the floor brush bottom cover to the rear end top of the floor brush main body, and the inner cavity top wall of the floor brush air inlet is arranged to extend obliquely downwards from the front end top of the floor brush main body to the rear end bottom of the floor brush bottom cover.

In some embodiments, the front end of the floor brush bottom cover is provided with a brush shaft scraper corresponding to the bottom end of the brush shaft assembly, and the brush shaft scraper extends obliquely downwards from the edge of the floor brush bottom cover to a direction far away from the floor brush bottom cover;

and a flow passage air inlet positioned below the ground brush air inlet is formed between the brush shaft assembly and the brush shaft scraper, and the flow passage air inlet is communicated with the ground brush air inlet cavity.

In some embodiments, a bottom cover groove is formed in the bottom cover of the floor brush, and the height of the groove bottom wall of the bottom cover groove is lower than the height of the bottom wall surface of the air inlet of the floor brush;

a pipeline inlet cavity communicated with the air inlet of the floor brush is formed between the bottom cover groove and the floor brush main body, and one end of the corrugated pipe structure is clamped in the pipeline inlet cavity.

In some embodiments, the bellows structure includes a first bellows joint that is clamped in the pipe inlet chamber, a bellows connection pipe connected to the first bellows joint, and a second bellows joint connected to the bellows connection pipe, the floor brush connection shaft being connected to the second bellows joint;

the bottom wall surface of the inner cavity of the first corrugated pipe joint is positioned below the bottom wall surface of the air inlet of the floor brush, and the bottom of the inner cavity of the first corrugated pipe joint forms a temporary sewage backflow storage cavity.

In some embodiments, the first bellows joint is disposed in the duct inlet chamber, and the first bellows joint extends obliquely upward from an inner side edge of the floor brush air inlet toward the direction of the floor brush connecting shaft.

In some embodiments, the corrugated connecting pipe is arranged in a manner that the corrugated connecting pipe extends from the horizontal direction of the bottom of the front end of the floor brush body to the vertical direction of the top of the rear end of the floor brush body in a bending way;

the second corrugated pipe joint is obliquely arranged from the middle upper side of the floor brush main body to the vertical direction of the top of the floor brush main body.

In some embodiments, the connecting seat cavity in the floor brush connecting seat is vertically arranged, and the outlet of the connecting seat cavity forms a flow passage air outlet communicated with the air inlet of the sewage tank assembly.

Furthermore, the utility model provides a ground cleaning device, include as above the scrubbing brush subassembly that has novel runner structure.

The utility model provides a beneficial effect that technical scheme brought includes:

the utility model provides a scrubbing brush subassembly with novel runner structure, through the inboard at the brush axle subassembly, enclose between the bottom side of brush shaft lid and the scrubbing brush main part outside and establish and be formed with the decurrent scrubbing brush chamber of admitting air of opening, can make brush axle subassembly when rotating clean ground, make during clean dirty dust etc. inhales bottom open-ended scrubbing brush chamber of admitting air from ground, and further carry the scrubbing brush air intake between downside and the scrubbing brush bottom of scrubbing brush main part from the scrubbing brush chamber of admitting air, carry the pipeline intracavity of the higher bellows structure in position again by the scrubbing brush air intake, and carry the connecting axle intracavity of the higher scrubbing brush connecting axle in position by the pipeline chamber, reentrant is in the connecting seat intracavity of the scrubbing brush connecting seat of highest position department, enter into in the sewage tank subassembly by the export in connecting seat chamber at last. Like this, can with dirty dust from ground suction to by the scrubbing brush air inlet chamber, the scrubbing brush air intake, the pipeline chamber, connect axle chamber and connect the seat chamber and communicate gradually the progressively higher scrubbing brush runner structure in position that forms in proper order, dirty dust carries smoothly in the scrubbing brush runner structure and leads to in the same direction as making it is better to the clean effect of subaerial dirty dust absorption, can bring good experience effect for the user.

Drawings

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

FIG. 1 is a schematic perspective view of a floor care appliance according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a floor brush assembly with a novel flow channel structure according to an embodiment of the present invention;

fig. 3 is a front view schematically illustrating a floor brush assembly with a novel flow channel structure according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a cross-section B-B of a floor brush assembly (with a brush shaft assembly removed) having a novel flow channel structure according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a cross section B-B of a floor brush assembly with a novel flow passage structure according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a floor brush assembly (with a brush shaft assembly and a brush shaft cover removed) with a novel flow channel structure according to an embodiment of the present invention;

fig. 7 is a schematic view of a second three-dimensional structure of a floor brush assembly with a novel flow channel structure according to an embodiment of the present invention.

In the figure: 10. cleaning the apparatus main body; 20. the floor brush component is provided with a novel flow channel structure; 100. a floor brush body; 102. a runner air inlet; 104. a flow channel air outlet; 105. the ground brush is provided with an air inlet cavity; 106. brushing an air inlet; 108. a sewage backflow temporary storage cavity; 110. a floor brush body; 120. a top cover of the floor brush; 130. brushing the bottom cover; 132. a bottom cap nozzle; 134. a nozzle cover plate; 136. supporting the rollers; 140. a brush shaft cover; 142. a brush shaft mounting cavity; 150. mounting a plate; 160. brushing the side plate; 162. a side plate groove; 163. a water jet; 164. a side plate nozzle; 170. a floor brush scraper; 180. a brush shaft assembly; 200. a floor brush connecting structure; 210. a floor brush connecting shaft; 212. a connecting shaft cavity; 220. a floor brush connecting seat; 222. connecting the socket cavity; 300. a bellows structure; 302. a conduit cavity; 310. a corrugated connecting pipe; 320. a first bellows joint; 330. a second bellows joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the present invention provides a floor cleaning device, which comprises a cleaning device main body 10, and a floor brush assembly 20 having a novel flow channel structure and disposed at the end of the cleaning device main body 10. The floor brush assembly 20 with the novel flow channel structure can be used for mopping and cleaning the floor, and dust, sundries, stains and the like on the floor can be removed, so that the floor is kept clean.

Moreover, the floor cleaning device can be a floor cleaning machine, and the floor can be cleaned, dedusted and cleaned by the floor brush assembly 20 with a novel flow channel structure; in addition, the floor cleaning device can be a dust collector with a self-cleaning function, and after the floor is cleaned by the floor brush assembly 20 with the novel flow channel structure, the floor brush assembly 20 with the novel flow channel structure can be self-cleaned, so that the floor brush assembly 20 with the novel flow channel structure can be kept clean; in addition, the floor cleaning device can be a common dust collector, and the floor can be cleaned and dedusted by the easily-detachable floor brush assembly 20. In addition, the floor cleaning equipment can also be other cleaning equipment with a floor brush assembly, and the floor or the surface of other objects can be cleaned.

Furthermore, as shown in fig. 2 to 5, the floor brush assembly 20 with the novel flow channel structure of the present invention may include a floor brush body 100, a bellows structure 300 and a floor brush connecting structure 200. Also, the floor brush body 100 may include a floor brush main body 110, a floor brush top cover 120 provided on a top surface of the floor brush main body 110, a floor brush bottom cover 130 provided on a bottom surface of the floor brush main body 110, mounting plates 150 protrudingly provided on both sides of a front end of the floor brush main body 110, arc-shaped brush shaft covers 140 protrudingly provided on the mounting plates 150 on the front end and both sides of the floor brush top cover 120, and a brush shaft assembly 180 provided on a front end of the floor brush main body 110 and located below the brush shaft covers 140. Further, a brush shaft mounting cavity 142 is defined between the brush shaft cover 140 and the floor brush body 110, and a brush shaft assembly 180 is rotatably installed in the brush shaft mounting cavity 142. Moreover, the above-mentioned bellows structure 300 can be bent and extended from the front end of the floor brush bottom cover 130 to the top of the rear end of the floor brush main body 110, that is, the bellows structure 300 is gradually lifted upwards from the bottom of the front end of the floor brush main body 100 to the top of the rear end of the floor brush main body 100. Also, the floor brush connecting structure 200 may include a floor brush connecting shaft 210 disposed at the top of the rear end of the floor brush body 110 and abutting against the bellows structure 300, and a floor brush connecting seat 220 connected to the top of the floor brush connecting shaft 210. The corrugated pipe structure 300 can be connected through the floor brush connecting shaft 210 and can also be rotatably connected with the floor brush main body 110; and the floor brush connecting base 220 can be connected with not only the floor brush connecting shaft 210 but also the sewage tank assembly. Thus, the floor brush connecting shaft 210 and the floor brush connecting seat 220 can be disposed at a higher position on the floor brush body.

Furthermore, as shown in FIGS. 4 to 5, a floor brush inlet chamber 105 having a downward opening corresponding to the floor is defined between the inside of the brush shaft assembly 180, the inside of the brush shaft cover 140 and the outside of the floor brush body 110, a floor brush air inlet 106 which is arranged from the floor brush bottom cover 130 to the floor brush main body 110 in an upward inclined manner is arranged between the lower side of the floor brush main body 110 and the floor brush bottom cover 130, a pipeline cavity 302 which is bent and extended from the bottom of the front end of the floor brush main body 100 to the top of the rear end of the floor brush main body 100 is arranged in the corrugated pipe structure 300, the connecting shaft 210 has a connecting shaft cavity 212 extending obliquely to the top of the rear end of the floor brush body 100, the floor brush connecting base 220 is provided therein with a connecting base cavity 222 extending to the top surface of the rear end top of the floor brush body 100, and the floor brush air inlet cavity 105, the floor brush air inlet 106, the pipeline cavity 302, the connecting shaft cavity 212 and the connecting seat cavity 222 are communicated in sequence to form a floor brush flow channel structure.

The utility model provides a floor brush component with novel flow channel structure, through enclosing the floor brush air inlet cavity 105 which is formed with the opening corresponding to the ground downwards between the inner side of the brush shaft component 180, the bottom side of the brush shaft cover 140 and the outer side of the floor brush main body 110, when the brush shaft component 180 rotates to clean the ground, the clean dirty dust and the like are sucked into the floor brush air inlet cavity 105 with the bottom opening from the ground, and further conveyed into the floor brush air inlet 106 which is obliquely and upwards arranged between the lower side of the floor brush main body 110 and the floor brush bottom cover 130 from the floor brush air inlet cavity 105, and then conveyed into the pipeline cavity 302 which is higher in position and is bent and extended from the bottom of the front end of the floor brush main body 110 to the top of the rear end of the floor brush main body 110 by the floor brush air inlet 106, and conveyed into the connecting shaft cavity 212 which is obliquely and upwards arranged in the floor brush connecting shaft 210 with the higher position (the top of the floor brush main body 110) by the pipeline cavity 302, then enters the connecting seat cavity 222 of the floor brush connecting seat 220 at the highest position (the top surface of the floor brush body 110), and finally enters the sewage tank assembly from the outlet of the connecting seat cavity 222. Like this, can inhale air current and dirty dust etc. from ground and send to by the scrubbing brush chamber 105 that admits air, scrubbing brush air intake 106, pipeline cavity 302, connecting shaft cavity 212 and connecting seat chamber 222 and communicate the progressively higher scrubbing brush runner structure in position that forms in proper order, dirty dust carries smoothly in the scrubbing brush runner structure and leads to in order for it is better to the dirty dust absorption cleaning performance on the ground, can bring good experience effect for the user.

Also, as shown in fig. 4 to 6, a side of the floor brush main body 110 facing the brush shaft assembly 180 is provided with a floor brush side plate 160, and a floor brush air inlet 106 communicating the floor brush air inlet chamber 105 and the duct chamber 302 is formed between a lower side of the floor brush side plate 160 and the floor brush bottom cover 130. Through setting up scrubbing brush air intake 106 in the bottom of scrubbing brush body 100, can conveniently adsorb into subaerial dirty dust, still can conveniently adsorb into with the dirty dust that brush axle subassembly 180 rotates the in-process and play the scrubbing brush air inlet cavity 105. A side plate groove 162 forming the floor brush air inlet 106 is recessed at a lower side of the floor brush side plate 160, and the side plate groove 162 is formed by gradually recessing the left and right sides (i.e., horizontal and lateral sides) of the floor brush side plate 160 toward the center. That is, the side plate groove 162 forming the floor brush air inlet 106 corresponds to the brush shaft assembly 180, and may absorb dirt and dust in the length direction of the entire brush shaft assembly 180. Moreover, the pipe cavity 302 corresponds to the middle of the side plate groove 162 (i.e., the floor brush air inlet 106), so that the dirt and dust can be adsorbed and gathered from the two sides of the brush shaft assembly 180 and the floor brush air inlet cavity 105 to the center, and the cleaning effect is better. Moreover, in the process that the side plate groove 162 extends from two sides to the center, the depth of the side plate groove 162 is gradually increased, so that the side plate groove 162 forms a groove structure with a deep middle and shallow two sides, and the pipeline cavity 302 is communicated with the middle position with the deepest depth of the side plate groove 162, so that the side plate groove 162 (i.e., the scrubbing brush air inlet) can adsorb dirty dust more smoothly.

Moreover, the bottom wall of the cavity of the floor brush air inlet 106 extends from the bottom of the front end of the floor brush bottom cover 130 to the top of the rear end of the floor brush main body 110 in an inclined manner, and the top wall of the cavity of the floor brush air inlet 106 extends from the top of the front end of the floor brush main body 110 to the bottom of the rear end of the floor brush bottom cover 130 in an inclined manner. Namely, the left side and the right side of the floor brush air inlet 106 are gradually recessed towards the center, so that the floor brush air inlet 106 forms a groove structure with deep left side and deep right side in the middle, and also forms a groove structure with deep middle in the upper side and the lower side of the floor brush air inlet 106, so that the floor brush air inlet 106 forms a groove structure with deep four sides in the middle. Moreover, the bottom side wall of the floor brush air inlet 106 is in smooth transition connection with the inlet of the pipeline cavity 302, so that air suction is smoother.

In addition, the front end of the floor brush bottom cover 130 is provided with a brush shaft scraper 170 corresponding to the bottom end of the brush shaft assembly 180, the brush shaft scraper 170 extends obliquely downward from the edge of the floor brush bottom cover 130 in a direction away from the floor brush bottom cover 130, and the brush shaft scraper 170 is obliquely disposed toward the ground to scrape the ground. Furthermore, a flow inlet 102 is formed between the brush shaft assembly 180 and the brush shaft scraper 170, and the flow inlet 102 is located below the brush inlet 106, and is communicated with the brush inlet chamber 105. By forming a gap between the bottom of the brush shaft assembly 180 and the brush shaft scraper 170, and making the gap a flow channel intake 102 at the bottom of the floor brush body 100, the airflow can be introduced into the floor brush intake chamber 105 along the obliquely arranged flow channel intake 102.

Furthermore, at least one water spray nozzle 163 and at least one side plate nozzle 164 are provided at the upper side of the floor brush side plate 160, the water spray nozzle 163 and the side plate nozzle 164 are arranged along the length direction of the floor brush side plate 160 and correspond to the length direction of the brush shaft assembly 180, and cleaning water or steam may be sprayed from above the brush shaft assembly 180 to clean the brush shaft assembly 180 or the floor. Specifically, a plurality of water spray nozzles 163 can be uniformly arranged in the length direction of the floor brush side plate 160, the plurality of water spray nozzles 163 correspond to the length direction of the brush shaft assembly 180, cleaning water can be sprayed onto the brush shaft assembly 180 from a plurality of positions to wet and clean the brush shaft assembly 180, and the ground can also be cleaned by water through the wetted brush shaft assembly 180; in addition, one or more side plate nozzles 164 may be disposed in the middle of the side plate 160, so as to spray water vapor onto the brush shaft assembly 180 and into the brush air intake cavity 105, and to steam clean and sterilize the brush shaft assembly 180, or/and to perform high temperature sterilization on the mixture of dust, water and vapor sucked into the brush air intake cavity 105, and to steam clean and sterilize the ground.

Also, as shown in fig. 7, at least one bottom cover nozzle 132 is provided at a position of the bottom of the floor brush bottom cover 130 adjacent to the brush shaft assembly 180, and cleaning water or steam is directly sprayed to the floor through the bottom cover nozzle 132. When the steam is sprayed out, the dirty floor or the cleaned floor is sterilized at high temperature. Moreover, the nozzle cover plate 134 is further arranged on the bottom cover nozzle 132, and the nozzle cover plate 134 can be fixedly arranged on the floor brush bottom cover 130, so that the bottom cover nozzle 132 can be protected under the condition that the operation of the bottom cover nozzle 132 is not influenced; in addition, the nozzle cover 134 is movably disposed on the floor brush bottom cap 130, and can movably cover the bottom cap nozzle 132, and the nozzle cover 134 can be opened to expose the bottom cap nozzle 132 when the bottom cap nozzle 132 is needed, and the nozzle cover 134 can be used to cover the bottom cap nozzle 132 when the bottom cap nozzle 132 is not needed. In addition, the bottom cover 130 is further provided with support rollers 136 at both sides of the bottom thereof, and the bottom cover nozzle 132 is properly positioned in the middle of the support rollers 136 at both sides, thereby not only facilitating the movement of the floor brush assembly, but also providing a working gap for the bottom cover nozzle 132.

In addition, as shown in fig. 4 to 6, a bottom cover groove is formed on the bottom cover 130 of the floor brush, and the height of the bottom wall of the bottom cover groove is lower than the height of the bottom wall of the floor brush air inlet 106; moreover, a pipeline inlet cavity communicated with the floor brush air inlet 106 is formed between the bottom cover groove and the floor brush main body 110, and one end of the bellows structure 300 is clamped in the pipeline inlet cavity. By arranging the bottom cover groove on the floor brush bottom cover 130 at the bottom of the floor brush body 100, a sunken step groove can be formed at the inner side of the floor brush air inlet 106, so that the end of the corrugated pipe structure 300 can be conveniently clamped. Moreover, through the heavy groove structure formed at the inner side of the floor brush air inlet 106, a sewage backflow temporary storage structure can be formed to store dirty dust and sewage, so that the dirty dust and the sewage are prevented from flowing back to the floor brush air inlet 106 from the inside of the pipeline cavity 302 and flowing out of the floor brush assembly.

Also, the bellows structure 300 may include a first bellows joint 320 having a cylindrical shape, which is caught in the inlet chamber of the pipe, a bellows joint pipe 310 connected to the first bellows joint 320, and a second bellows joint 330 having a cylindrical shape, which is connected to the bellows joint pipe 310, and the floor brush connecting shaft 210 is connected to the second bellows joint 330. That is, the bellows joint 310 is connected between the floor brush intake vent 106 and the connecting shaft cavity 212 of the floor brush connecting shaft 210 by the first bellows joint 320 and the second bellows joint 330. Moreover, the bottom wall surface of the inner cavity of the first corrugated pipe joint 320 is located below the bottom wall surface of the floor brush air inlet 106, and the bottom of the inner cavity of the first corrugated pipe joint 320 forms a temporary sewage backflow storage cavity 108. By installing the first bellows joint 320 in the bottom cover groove, the bottom wall surface of the inner cavity of the first bellows joint 320 is lower than the bottom wall surface of the floor brush air inlet 106, so that the sewage backflow temporary storage cavity 108 for storing dirty dust and sewage can be formed at the bottom of the inner cavity of the first bellows joint 320.

Moreover, the first bellows joint 320 is disposed in the inlet cavity of the duct, and the first bellows joint 320 extends from the inner edge of the floor brush air inlet 106 to the direction of the floor brush connecting shaft 210. The first bellows joint 320 may be disposed obliquely upward such that the inner cavity of the first bellows joint 320 may smoothly interface the inlet vent 106 and the tube cavity 302 of the bellows joint 310. Also, the first corrugated pipe joint 320 may include a first joint inclined portion that is obliquely butted against the floor brush air intake opening 106, and a first joint horizontal portion that is horizontally butted against the first joint inclined portion, and the first joint horizontal portion is connected to the corrugated connection pipe 310. The air flow and dirt and dust in the air inlet 106 of the floor brush can be introduced into the horizontal inner cavity of the horizontal portion of the first joint through the inclined inner cavity of the inclined portion of the first joint and then introduced into the pipe cavity 302 of the corrugated connecting pipe 310. Through the inclined inner cavity of the first joint inclined part and the horizontal inner cavity of the first joint horizontal part, relatively gentle (not steep) transitional connection can be carried out on the floor brush air inlet 106 and the pipeline cavity 302, so that conveying of air flow, dirty dust and the like is smoother.

In addition, the corrugated connection pipe 310 is bent and extended from the horizontal direction of the bottom of the front end of the floor brush main body 110 to the vertical direction of the top of the rear end of the floor brush main body 110, so that the pipeline cavity 302 communicated with the inner cavity of the first corrugated pipe joint 310 is bent and extended from the horizontal direction of the bottom of the front end of the floor brush main body 100 to the digital direction of the top of the rear end of the floor brush main body 100, and the floor brush air inlet 106 and the connection shaft cavity 212 are in arc transition communication through the pipeline cavity 302 bent into an arc shape, so that air flow, dirty dust and the like are conveyed more smoothly, and the air flow, dirty dust and the like in the floor brush air inlet 106 at the bottom of the floor brush main body 100 can be conveniently drained to the connection shaft cavity 212 at the top of the floor brush main body 100.

Also, the second corrugated pipe joint 330 may be inclined in a vertical direction from the middle upper side of the brush body 110 to the top of the brush body 110. The inner cavity of the second bellows joint 330 may also be inclined, so as to further realize the smooth transition connection between the pipe cavity 302 and the connecting shaft cavity 212. Also, the second bellows joint 330 may be provided in the coupling shaft cavity 212 of the floor brush coupling shaft 210, thereby coupling the bellows coupling pipe 310 with the floor brush coupling shaft 210.

In addition, a connecting seat cavity 222 in the floor brush connecting seat 220 may extend in a vertical direction, and an outlet of the connecting seat cavity 222 forms a flow passage outlet 104 for communicating with an inlet of the waste water tank assembly. In this way, the connecting seat cavity 222 communicated with the connecting shaft cavity 212 can be gradually extended from the upward inclined direction to the vertical direction, so that the air flow, dirty dust and the like can be introduced into the inner cavity of the sewage tank assembly from the flowing air outlet in the vertical direction.

The utility model provides a technical scheme, carry out reasonable design through the scrubbing brush runner structure to in the scrubbing brush subassembly, make and admit air the chamber by the scrubbing brush, the scrubbing brush air intake, the pipeline chamber, connecting shaft chamber and connecting seat chamber communicate the position that forms gradually progressively higher scrubbing brush runner structure's runner is smooth and easy, can with air current and dirty dust etc. from the smooth and orderly ground of ground suction send to scrubbing brush runner structure, and smoothly carry in the sewage case subassembly from scrubbing brush runner structure, make to the subaerial dirty dust adsorb clean effect better, can bring good experience effect for the user.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A scrubbing brush subassembly with novel runner structure which characterized in that includes:

2. The floor brush assembly with the novel flow channel structure as claimed in claim 1, wherein a floor brush side plate is provided on a side of the floor brush main body facing the brush shaft assembly, and the floor brush air inlet communicating the floor brush air inlet cavity and the pipeline cavity is formed between a lower side of the floor brush side plate and the floor brush bottom cover;

3. The floor brush assembly with the novel flow passage structure as claimed in claim 2, wherein the inner cavity bottom wall of the floor brush air inlet is arranged to extend obliquely upward from the front end bottom of the floor brush bottom cover to the rear end top of the floor brush main body, and the inner cavity top wall of the floor brush air inlet is arranged to extend obliquely downward from the front end top of the floor brush main body to the rear end bottom of the floor brush bottom cover.

4. The floor brush assembly with the novel flow channel structure as claimed in claim 2, wherein the front end of the floor brush bottom cover is provided with a brush shaft scraper corresponding to the bottom end of the brush shaft assembly, and the brush shaft scraper extends obliquely downwards from the edge of the floor brush bottom cover to a direction away from the floor brush bottom cover;

5. The floor brush assembly with the novel flow passage structure as claimed in claim 2, wherein a bottom cover groove is formed on the floor brush bottom cover, and the height of the groove bottom wall of the bottom cover groove is lower than the height of the bottom wall surface of the floor brush air inlet;

6. The floor brush assembly with the novel flow channel structure as claimed in claim 5, wherein the bellows structure comprises a first bellows joint clamped in the inlet cavity of the pipeline, a bellows connection pipe connected with the first bellows joint, and a second bellows joint connected with the bellows connection pipe, and the floor brush connection shaft is connected with the second bellows joint;

7. The floor brush assembly with the novel flow channel structure as claimed in claim 6, wherein the first bellows joint is disposed in the duct inlet cavity, and the first bellows joint extends from an inner side edge of the floor brush air inlet to a direction of the floor brush connecting shaft in an inclined manner.

8. The floor brush assembly with the novel flow channel structure as claimed in claim 7, wherein the corrugated connecting pipe is bent and extended from a horizontal direction at the bottom of the front end of the floor brush body to a vertical direction at the top of the rear end of the floor brush body;

9. The floor brush assembly with the novel flow channel structure as claimed in claim 1, wherein the connecting seat cavity in the floor brush connecting seat is vertically arranged, and the outlet of the connecting seat cavity forms a flow channel air outlet communicated with the air inlet of the sewage tank assembly.

10. A floor cleaning apparatus comprising the floor brush assembly having a novel flow path structure as claimed in any one of claims 1 to 9.