A floor cleaning machine

Abstract

The utility model provides a ground cleaning machine, including ground brush subassembly, ground brush subassembly includes casing and rolling brush subassembly, and rolling brush subassembly includes rolling brush, and the downside of casing is equipped with dust collection cavity, and rolling brush subassembly can be dismantled and installed in dust collection cavity, and the front side wall on dust collection cavity and be located rolling brush subassembly's front side is equipped with with dust collection cavity intercommunication's dust collection entrance, dust collection cavity is equipped with with ground cleaning machine air duct intercommunication's air guide channel, and the entrance of this air guide channel is located rolling brush subassembly's back, when ground cleaning machine starts, garbage is inhaled from dust collection entrance into dust collection cavity, after conveying from rolling brush subassembly, inhale from air guide channel into air duct. This ground cleaning machine can effectively solve the problem that hair is entangled rolling brush, big particle garbage blocks dust collection entrance when cleaning carpet, significantly improve cleaning efficiency, reduce equipment maintenance frequency, guarantee equipment stable operation, greatly improve user experience.

Description

Technical Field

[0001] This utility model relates to the field of household cleaning equipment technology, and more specifically to a floor cleaning machine. Background Technology

[0002] Floor cleaning machines are automated devices that use mechanical power, water jets, and vacuum suction to clean various types of floors. They are widely used in homes, shopping malls, supermarkets, hotels, and office buildings, greatly reducing the labor intensity of manual cleaning and significantly improving cleaning efficiency and quality. Floor scrubbers and carpet cleaners are subcategories of floor cleaning machines, offering diverse cleaning solutions for different materials such as hard floors and carpets.

[0003] While floor cleaning machines play a vital role in the cleaning industry, current models still have significant technological shortcomings. In carpet cleaning, existing equipment is almost helpless against specific contaminants such as hair and large particles. The fluffy fiber structure of carpets easily attracts hair; during cleaning, the hair not only cannot be effectively sucked in but also quickly wraps around the roller brush like vines, forming a thick felt layer. With increased use, the roller brush becomes tightly bound, the operating resistance increases dramatically, the cleaning power decreases significantly, and it may even stop working altogether.

[0004] For large particles like cookie crumbs and pebbles hidden deep within carpets, the suction power and structural design of existing carpet cleaners are insufficient to suck them up effectively. These large particles get stuck at the suction inlet, causing a sharp drop in suction power and resulting in abnormal noise from the machine. Even more problematic, if the blockage is severe, the machine will stop working completely. Users are forced to frequently interrupt the cleaning process, spending considerable time disassembling the machine to remove tangled hair and stuck debris. This not only significantly increases maintenance and time costs but also limits the user experience and application scope of the carpet cleaner. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a floor cleaning machine that can effectively solve the problems of hair getting tangled in the roller brush and large particles of debris clogging the suction inlet when cleaning carpets, significantly improve cleaning efficiency, reduce equipment maintenance frequency, ensure stable equipment operation, and greatly improve the user experience.

[0006] The technical solution of this utility model is to provide a floor cleaning machine, including a floor brush assembly. The floor brush assembly includes a housing and a roller brush assembly. The lower side of the housing is provided with a dust suction chamber. The roller brush assembly is detachably installed in the dust suction chamber. A dust suction inlet communicating with the dust suction chamber is provided on the front side wall of the dust suction chamber and in front of the roller brush assembly. An air guide channel communicating with the air duct of the floor cleaning machine is provided in the dust suction chamber, and the inlet of the air guide channel is located behind the roller brush assembly. When the floor cleaning machine is started, the garbage is sucked into the dust suction chamber from the dust suction inlet, conveyed by the roller brush assembly, and then sucked into the air duct from the air guide channel.

[0007] Compared with existing technologies, the floor cleaning machine of this invention has the following advantages: By setting a dust inlet on the front side wall of the dust suction chamber, located in front of the roller brush assembly, and setting an air guide channel connected to the air duct behind the roller brush assembly, the floor cleaning machine draws in debris from the dust inlet, conveys it through the roller brush assembly, and then draws it into the air duct through the air guide channel, thus forming an efficient cleaning path. This structure effectively solves the problems of hair getting tangled in the roller brush and large particles clogging the suction inlet when cleaning carpets, significantly improving cleaning efficiency, reducing equipment maintenance frequency, ensuring stable equipment operation, and ultimately greatly improving the user experience.

[0008] As an improvement, the bottom of the rear wall of the suction chamber is equipped with rollers. When the floor cleaner is started, the upper and lower sides of the rollers can roll against the bottom of the rear wall and the ground, respectively. This structure reduces direct friction between the floor brush assembly and the ground, allowing the floor cleaner to move more smoothly and effortlessly on different floor materials such as carpets, reducing operational resistance. The rollers also stabilize the height of the floor brush assembly, preventing friction wear or excessive tightness at the bottom of the suction chamber from affecting the air intake efficiency of the suction inlet, further ensuring a stable cleaning process, while reducing wear on equipment parts and extending its service life.

[0009] As an improvement, the housing includes a mounting bracket and a top cover. The mounting bracket has a through mounting hole. The top cover includes a cover body and an air guide plate. The air guide plate is located on the lower side of the cover body, forming the air guide channel between the air guide plate and the cover body. The top of the air guide plate has an air outlet connected to the air duct. The top cover covers the upper opening of the mounting hole. The lower end of the air guide plate extends into the mounting hole and is located behind the roller brush assembly, forming the rear sidewall of the suction chamber. The top cover and the mounting bracket together form the suction chamber. With this structure, the air guide channel layout is compact and reasonable, accurately corresponding to the rear position of the roller brush assembly, ensuring efficient waste introduction into the air duct. It also simplifies the assembly and disassembly process of the housing, facilitates subsequent cleaning and maintenance of the suction chamber and the air guide channel, and reduces the difficulty of production and processing.

[0010] As an improvement, an inclined plate is provided at the middle of the rear end of the cover, forming an air guide channel between the inclined plate and the air guide plate. The lower end of the inclined plate and the lower end of the air guide plate form the entrance of the air guide channel. With this structure, the airflow path is optimized by utilizing the tilt angle of the inclined plate, allowing the debris (especially hair and small fragments) in the dust collection chamber to flow more smoothly to the air guide channel entrance, reducing the risk of accumulation and blockage at the channel entrance. The inclined structure can increase the effective air intake area of ​​the air guide channel entrance, improve the airflow suction efficiency, and ensure the cleaning effect in conjunction with the conveying action of the roller brush assembly.

[0011] As an improvement, the bottom of the front sidewall of the mounting bracket is provided with a waste guide groove, the inner cavity of which serves as the suction inlet. With this structure, the guide groove precisely collects ground debris, especially hair and large particles from carpets, preventing them from scattering around the suction inlet and improving the targeting of waste suction. The guide groove also guides airflow and debris, reducing the risk of blockage caused by large particles directly impacting the suction inlet.

[0012] As an improvement, the front end of the cover is connected to the front side wall of the mounting bracket. The front end of the cover is provided with a barb, and the front side wall of the mounting bracket is provided with a connecting hole, in which the barb hooks into the connecting hole. The rear end of the cover is connected to the rear side wall of the mounting bracket by a snap-fit ​​connection. This structure allows for quick and precise docking and stable assembly of the top cover and the mounting bracket, eliminating the need for additional tools and significantly improving equipment assembly efficiency and the convenience of subsequent maintenance (such as cleaning the suction chamber and replacing the roller brush assembly). This fixing structure prevents the top cover from loosening during equipment movement or cleaning, ensuring the air duct seal and suction chamber structure stability, and preventing a decrease in suction efficiency due to poor sealing.

[0013] As an improvement, the mounting bracket is equipped with a hollow connecting seat. The front side wall of the connecting seat has a first interface that connects to the air outlet of the air guide plate. The rear side wall of the connecting seat has a second interface that connects to the air duct. The top wall of the connecting seat has a third interface, the opening of which is detachably connected to a sealing cap. This structure achieves a stable connection between the air guide channel and the air duct, ensuring smooth airflow and waste transport. The detachable sealing cap design allows for the connection of other pipes with brush heads when needed, enabling the cleaning of items such as fabric sofas.

[0014] As an improvement, the mounting bracket includes a crossbar located behind the roller brush assembly and in front of the air guide plate. The inner side of the cover has a sealing plane that matches the upper sidewall of the crossbar, with the upper sidewall of the crossbar abutting against this sealing plane. Multiple nozzles are arranged along the length of the lower sidewall of the crossbar, and these nozzles are connected to the cleaning fluid spraying assembly within the floor cleaner. This structure prevents airflow leakage from the gap between the crossbar and the sealing plane, ensuring stable negative pressure in the duct and avoiding impact on waste suction efficiency. The nozzles distributed along the length allow for uniform spraying of the cleaning fluid, enabling more comprehensive wet cleaning of carpets and other floors, thus improving cleaning effectiveness.

[0015] As an improvement, the inner side of the front end of the cover is provided with an arc-shaped groove whose shape matches the shape of the upper side of the roller brush assembly, and the upper side of the roller brush assembly is accommodated in the arc-shaped groove. This structure allows for precise positioning of the roller brush assembly, preventing lateral shifting or wobbling during operation and ensuring the stability of the roller brush in conveying waste. The fitted design of the arc-shaped groove and the upper side of the roller brush assembly reduces the gap between them, minimizing airflow leakage from the suction chamber, maintaining stable negative pressure in the air duct to ensure suction efficiency, and also reducing noise generated during roller brush operation. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the floor cleaning machine of this utility model.

[0017] Figure 2 This is a three-dimensional structural diagram of the floor brush assembly of the floor cleaning machine of this utility model.

[0018] Figure 3 This is an exploded view of the floor brush assembly of the floor cleaning machine of this utility model.

[0019] Figure 4 This is a cross-sectional view of the floor brush assembly of the floor cleaning machine of this utility model.

[0020] Figure 5 This is a three-dimensional structural diagram of the top cover of the floor cleaning machine of this utility model.

[0021] Figure 6 This is a three-dimensional structural diagram of the top cover of the floor cleaning machine of this utility model from another angle.

[0022] As shown in the figure: roller brush 1, mounting bracket 2, mounting hole 201, connecting hole 202, snap-fit ​​hole 203, garbage guide channel 204, crossbar 205, top cover 3, cover body 301, air guide plate 302, barb 303, elastic snap-fit ​​foot 304, arc groove 305, inclined plate 306, air outlet 307, sealing plane 308, dust suction chamber 4, roller 5, nozzle 6, connecting seat 7, first interface 701, second interface 702, third interface 703, sealing cover 704. Detailed Implementation

[0023] To better understand this application, various aspects of this application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0024] In the accompanying drawings, the thickness, size, and shape of the objects have been slightly exaggerated for illustrative purposes. The drawings are for illustrative purposes only and are not drawn to scale.

[0025] It should also be understood that the terms "comprising," "having," "including," and "containing," when used in this specification, indicate the presence of the stated features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof. Furthermore, when expressions such as "...at least one" appear after a list of listed features, they modify the entire listed feature, not individual elements in the list.

[0026] like Figures 1 to 6 As shown, this utility model discloses a floor cleaning machine, including a floor brush assembly. The floor brush assembly includes a housing and a roller brush assembly. The roller brush assembly includes a roller brush 1. In this specific embodiment, there is one roller brush 1.

[0027] The housing includes a mounting bracket 2 and a top cover 3. The mounting bracket 2 has a through mounting hole 201, and the two ends of the roller brush 1 are detachably connected to the left and right side walls of the mounting bracket 2, respectively. The top cover 3 includes a cover body 301 and an air guide plate 302. The air guide plate 302 is located on the lower side of the cover body 301, and the air guide plate 302 is integrally formed with the cover body 301.

[0028] The top cover 3 covers the upper opening of the mounting hole 201, and the lower end of the air guide plate 302 extends into the mounting hole 201 and is located on the rear side of the roller brush assembly to form the rear side wall of the dust suction chamber 4; the top cover 3 and the mounting bracket 2 enclose the dust suction chamber 4, and the roller brush 1 is located in the dust suction chamber 4.

[0029] The front end of the cover 301 is connected to the front side wall of the mounting bracket 2. The front end of the cover 301 is provided with a barb 303. The front side wall of the mounting bracket 2 is provided with a connecting hole, and the barb 303 hooks into the connecting hole 202. In this specific embodiment, there are two barbs 303, respectively located on both sides of the front end of the cover 301. The front side wall of the mounting bracket 2 is provided with mounting holes 201 at positions corresponding to the two barbs 303, and the barbs 303 hook into the two connecting holes one-to-one. The rear end of the cover 301 is connected to the rear side wall of the mounting bracket 2 by a snap-fit ​​connection. In this specific embodiment, both sides of the rear end of the cover 301 are provided with elastic snap-fit ​​feet 304, and the rear side wall of the mounting bracket 2 is provided with snap-fit ​​holes 203 at positions corresponding to the two elastic snap-fit ​​feet 304, and the two elastic snap-fit ​​feet 304 snap into the two snap-fit ​​holes 203 one-to-one.

[0030] The inner side of the front end of the cover 301 is provided with an arc-shaped groove 305 whose shape matches the upper side of the roller brush 1, and the upper side of the roller brush 1 is accommodated in the arc-shaped groove 305. An inclined plate 306 is provided at the middle of the rear end of the cover 301, and an air guide channel is formed between the inclined plate 306 and the air guide plate 302. The lower end of the inclined plate 306 and the lower end of the air guide plate 302 form the entrance of the air guide channel; an air outlet 307 is provided at the top of the air guide plate 302.

[0031] A dust inlet communicating with the dust suction chamber 4 is provided on the front side wall of the dust suction chamber 4 and in front of the roller brush 1. Specifically, a waste guide groove 204 is provided at the bottom of the front side wall of the mounting bracket 2, and the inner cavity of the waste guide groove 204 serves as the dust suction inlet. The waste guide groove 204 is an inverted U-shaped groove that opens downwards. A roller 5 is provided at the bottom of the rear side wall of the dust suction chamber 4, and the roller 5 is installed at the lower end of the air guide plate 302. When the floor cleaning machine is started, the upper and lower sides of the roller 5 can roll against the bottom of the air guide plate 302 and the ground, respectively.

[0032] The mounting bracket 2 includes a crossbar 205 located behind the roller brush 1 and in front of the air guide plate 302. The inner side of the cover 301 has a sealing plane 308 that matches the upper sidewall of the crossbar 205, located below the inclined plate 306. When the top cover 3 is placed on the mounting bracket 2, the sealing plane 308 abuts against the upper sidewall of the crossbar 205. The lower sidewall of the crossbar 205 has multiple nozzles 6 arranged along its length, facing downwards. These nozzles are connected to the cleaning fluid spraying assembly inside the floor cleaning machine, allowing cleaning fluid to be sprayed onto the surface being cleaned.

[0033] The mounting bracket 2 is provided with a hollow connecting seat 7. A first interface 701 is provided on the front side wall of the connecting seat 7, which is connected to the air outlet 307 of the air guide plate 302 in a sealed manner, allowing the air guide channel to communicate with the inner cavity of the connecting seat 7. A second interface 702 is provided on the rear side wall of the connecting seat 7, which is connected to the air duct via a flexible hose, allowing the inner cavity of the connecting seat 7 to communicate with the air duct. A third interface 703 is provided on the top wall of the connecting seat 7, and a sealing cover 704 is detachably connected to the opening of the third interface 703.

[0034] When the floor cleaning machine of this application is started, the cleaning liquid spraying component will spray the cleaning liquid evenly onto the carpet and other surfaces to be cleaned through multiple nozzles 6 on the lower side of the crossbar 205; at the same time, the air duct generates negative pressure, and hair, large particles of debris on the carpet will enter the dust collection chamber 4 through the inverted U-shaped debris guide groove 204 (i.e., the dust inlet) at the bottom of the front side wall of the mounting frame 2 under the negative pressure; after being assisted by the roller brush 1, the debris in the chamber will enter through the air guide channel formed by the inclined plate 306 at the rear end of the cover 301 and the air guide plate 302, and then enter the air duct for collection through the air outlet 307 of the air guide plate 302, the first interface 701 and the second interface 702 of the connecting seat 7; during the cleaning process, the roller 5 at the bottom of the rear side wall of the dust collection chamber 4 will roll in contact with the ground, assisting the floor brush component to move smoothly and preventing debris from slipping out from the gaps. If maintenance is required, the barb 303 and buckle connection between the top cover 3 and the mounting bracket 2 can be disassembled to clean the top cover 3, the roller brush 1, and the dust collection chamber 4.

[0035] The inverted U-shaped debris guide trough 204 of this floor cleaning machine can collect large particles of debris, preventing them from clogging the suction inlet; the arc-shaped groove 305 can position the roller brush 1, and the sealed plane 308 can ensure a negative pressure environment, improving debris conveying efficiency; the nozzles 6 on the crossbar 205 spray liquid evenly, and the smooth movement of the rollers 5 contributes to an efficient and stable cleaning process. The overall structure takes into account anti-clogging, anti-tangling, easy maintenance, and cleaning efficiency, ensuring long-term stable operation of the equipment and greatly improving the user experience in scenarios such as carpet cleaning.

[0036] The above are merely specific embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Any modifications or equivalent substitutions to this utility model without departing from its spirit and scope should be covered within the protection scope of the claims of this utility model.

Claims

1. A floor cleaning machine, comprising a floor brush assembly, the floor brush assembly comprising a housing and a roller brush assembly, the roller brush assembly comprising a roller brush (1), characterized in that: The lower side of the housing is provided with a dust suction chamber (4), and the roller brush assembly is detachably installed in the dust suction chamber (4). The front side wall of the dust suction chamber (4) and the front side of the roller brush assembly are provided with a dust suction inlet that communicates with the dust suction chamber (4). The dust suction chamber (4) is provided with an air guide channel that communicates with the air duct of the floor cleaning machine, and the inlet of the air guide channel is located on the rear side of the roller brush assembly. When the floor cleaning machine is started, the garbage is sucked into the dust suction chamber (4) from the dust suction inlet, and after being transported by the roller brush assembly, it is sucked into the air duct from the air guide channel.

2. The floor cleaning machine according to claim 1, characterized in that: The bottom of the rear side wall of the dust suction chamber (4) is provided with rollers (5). When the ground cleaning machine is started, the upper and lower sides of the rollers (5) can be attached to the bottom of the rear side wall and the ground respectively for rolling.

3. The floor cleaning machine according to claim 2, characterized in that: The housing includes a mounting bracket (2) and a top cover (3). The mounting bracket (2) has a through mounting hole (201). The top cover (3) includes a cover body (301) and a guide plate (302). The guide plate (302) is located on the lower side of the cover body (301). The guide plate (302) and the cover body (301) form the air guide channel. The top of the guide plate (302) has an air outlet (307) connected to the air duct. The top cover (3) covers the upper opening of the mounting hole (201). The lower end of the guide plate (302) extends into the mounting hole (201) and is located on the rear side of the roller brush assembly to form the rear side wall of the dust collection chamber (4). The top cover (3) and the mounting bracket (2) enclose the dust collection chamber (4).

4. The floor cleaning machine according to claim 3, characterized in that: An inclined plate (306) is provided at the middle of the rear end of the cover (301). The inclined plate (306) and the air guide plate (302) form the air guide channel. The lower end of the inclined plate (306) and the lower end of the air guide plate (302) form the entrance of the air guide channel.

5. The floor cleaning machine according to claim 3, characterized in that: The bottom of the front side wall of the mounting bracket (2) is provided with a garbage guide groove (204), and the inner cavity of the garbage guide groove (204) is the dust suction inlet.

6. The floor cleaning machine according to claim 3, characterized in that: The front end of the cover (301) is connected to the front side wall of the mounting bracket (2). The front end of the cover (301) is provided with a barb (303). The front side wall of the mounting bracket (2) is provided with a connecting hole (202). The barb (303) is hooked into the connecting hole. The rear end of the cover (301) is connected to the rear side wall of the mounting bracket (2) by a snap fastener. The rear end of the cover (301) is provided with an elastic snap fastener (304). The rear side wall of the mounting bracket (2) is provided with a snap fastener (203). The elastic snap fastener (304) is snapped into the snap fastener (203).

7. The floor cleaning machine according to claim 3, characterized in that: The mounting bracket (2) is provided with a hollow connecting seat (7). The front side wall of the connecting seat (7) is provided with a first interface (701), which is connected to the air outlet (307) of the air guide plate (302). The rear side wall of the connecting seat (7) is provided with a second interface (702), which is connected to the air duct. The top wall of the connecting seat (7) is provided with a third interface (703), and the opening of the third interface (703) is detachably connected with a sealing cover (704).

8. The floor cleaning machine according to claim 3, characterized in that: The mounting bracket (2) is provided with a crossbar (205), which is located behind the roller brush assembly and in front of the air guide plate (302); the inner side of the cover (301) is provided with a sealing plane (308) that matches the upper side wall of the crossbar (205), and the upper side wall of the crossbar (205) abuts against the sealing plane (308); the lower side wall of the crossbar (205) is provided with a plurality of nozzles (6) along its length, and the nozzles (6) are connected to the cleaning liquid spraying assembly in the floor cleaning machine.

9. The floor cleaning machine according to claim 3, characterized in that: The inner side of the front end of the cover (301) is provided with an arc-shaped groove (305) whose shape matches the shape of the upper side of the roller brush assembly, and the upper side of the roller brush assembly is accommodated in the arc-shaped groove (305).

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