CN220512801U - Cover plate assembly and floor washing machine - Google Patents

Abstract

The utility model discloses a cover plate assembly and a floor washing machine, wherein the cover plate assembly is covered on a cleaning head shell of the floor washing machine and comprises a cover plate and a base, the cover plate is lapped right above a garbage box opening of the cleaning head shell, and a first accommodating cavity for protecting a cleaning roller arranged in the cleaning head shell is enclosed by the cover plate; the base comprises a left side plate, a right side plate, a front side plate, a rear side plate and a guide plate, wherein the left side plate, the right side plate, the front side plate and the rear side plate extend downwards from the cover plate and form a rectangular frame in a surrounding mode, the guide plate covers the rectangular frame, and a second accommodating cavity is formed in the guide plate in a surrounding mode; the first accommodating chamber and the second accommodating chamber are communicated with each other to form an accommodating space for accommodating the cleaning member. The cover plate assembly which is convenient to be directly separated from the cleaning head shell improves the efficiency of disassembling and assembling the parts inside the cleaning head shell. The floor scrubber provided with the cover plate assembly is easier to maintain.

Description

Cover plate assembly and floor washing machine

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a cover plate assembly and a floor washing machine.

Background

With the improvement of the living and consumption level of people, floor cleaning equipment is favored by more families, and various cleaning equipment such as floor washing machines, floor sweeping robots and the like are also on the market in recent years. But most of the cover plate structures on the floor washing machine and the installation shell are integrated, if the cleaning components inside the floor washing machine are damaged, the damaged cleaning components can be taken out only after the whole installation shell is detached, and the whole process is very complicated. On the other hand, the floor cleaning machine cover plate in the prior art can not split garbage in two directions.

Disclosure of Invention

In order to solve the technical problem that when the cleaning component in the floor cleaning machine is damaged, the damaged cleaning component can be taken out only after the whole mounting shell is detached, and to solve the technical problem that the cover plate of the floor cleaning machine in the prior art can not shunt garbage in two directions, the embodiment of the utility model provides the cover plate component and the floor cleaning machine.

The technical scheme adopted for solving the technical problems is as follows:

in a first aspect, an embodiment of the present utility model provides a cover plate assembly for covering a cleaning head housing of a floor scrubber, wherein the cover plate assembly includes:

the cover plate is lapped right above the opening of the garbage box of the cleaning head shell and surrounds a first accommodating cavity for protecting the cleaning roller of the floor cleaning machine;

the base comprises four side plates which extend downwards from the cover plate and form a rectangular frame in a surrounding mode and a guide plate which is arranged on the rectangular frame in a covering mode, and the guide plate surrounds a second accommodating cavity;

the first accommodating cavity is intersected with and communicated with the two cambered surface radians of the second accommodating cavity, so that garbage of the cleaning roller and the brush assembly in winding and sweeping can be guided to flow in different directions.

In one or some alternative embodiments, the two sets of opposite side plates of the base are each provided with a clasp for clasping the guide plate.

In one or some alternative embodiments, the cover plate includes a smoothly connected arcuate portion and a straight portion from which the base extends downwardly.

In one or some alternative embodiments, the cleaning head further comprises at least two clamping pieces arranged at two ends of the arc-shaped part, and the two clamping pieces are respectively elastically abutted with two clamping plates of the cleaning head shell for clamping the cleaning roller.

In one or some alternative embodiments, the flat portion forms stepped ends with two sides of the base connection, the width of the base is exactly matched with the width of the garbage box opening of the cleaning head shell, and the stepped ends are abutted against the inner side wall and the top wall of the clamping plate.

In one or some alternative embodiments, the cover plate further includes a plurality of reinforcing ribs spaced apart from the inner sidewall of the arcuate portion.

In one or some alternative embodiments, each of the stiffening ribs is curved and resiliently abuts the surface of the scrub roller.

In one or some optional embodiments, the guide plate includes a guide tip portion, a guide arc portion and a straight extension portion that are sequentially and smoothly connected, the guide tip portion is in clamping connection with the front side plate, the straight extension portion is in clamping connection with the front side plate, and the guide arc portion is in clamping connection with the left side plate and the right side plate.

In one or some alternative embodiments, a third accommodating cavity defining the elastic telescopic direction of the locking device is enclosed between the cover plate and the base.

In one or some optional embodiments, the locking device includes an elastic member with one end abutting against the third accommodating cavity, a locking slider with one end abutting against the other end of the elastic member and extending out of the side plate of the base, and a pair of elastic key buttons clamped on the locking slider, where the locking slider can slide along the axial direction of the elastic member.

In one or some alternative embodiments, an abutting plate extends from the middle of the straight portion towards the third accommodating cavity, and one end of the elastic piece abuts against the abutting plate; the middle part of the straight part is concavely provided with a sliding groove for the elastic key button to slide along the axial direction of the elastic piece at two sides of the abutting plate towards the direction of the third accommodating cavity.

In one or some optional embodiments, a lock tongue that can extend out of the base side plate is disposed at one end of the lock slide that faces away from the elastic member, and in the locked state, the lock tongue elastically abuts against an inner side wall of the clamping plate.

In a second aspect, an embodiment of the present utility model further provides a floor scrubber, where the floor scrubber is provided with the cover plate assembly according to the first aspect.

Compared with the prior art, the utility model has the beneficial effects that: when the parts inside the cleaning head shell of the floor washer are damaged, the cover plate assembly is taken down from the cleaning head shell, and the openings at the front part of the cleaning roller of the floor washer and the upper part of the garbage box are opened; on the contrary, when the cover plate component is assembled, the base is clamped on the front part of the cleaning roller and the opening on the upper part of the garbage box, and the opening of the cleaning head shell of the floor cleaning machine is covered, so that the cover plate component which is convenient to directly separate from the cleaning head shell is improved, and the efficiency of disassembling and assembling parts inside the cleaning head shell is improved. On the other hand, the cover plate component can guide the garbage of the cleaning roller and the brush component in winding and brushing to be split in different directions because the two cambered surface radians of the first accommodating cavity and the second accommodating cavity are intersected and communicated with each other.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a cover plate assembly of an embodiment of the present utility model mounted to a floor scrubber;

FIG. 2 is a schematic cross-sectional illustration of a cover plate assembly of an embodiment of the present utility model mounted to a floor scrubber;

fig. 3 is a perspective view of a cover plate assembly according to an embodiment of the present utility model.

Fig. 4 is a perspective view of an embodiment of the present utility model with the brush guide plate removed from the cover plate assembly.

Fig. 5 is a front view of a cover plate assembly of an embodiment of the present utility model.

Fig. 6 is a sectional view taken along the direction a in fig. 5.

Fig. 7 is a sectional view taken along the direction B in fig. 5.

FIG. 8 is an exploded view of a closure assembly of an embodiment of the present utility model;

reference numerals:

1. a cleaning head housing; 11. a first clamping plate; 12. a second clamping plate;

2. a cover plate assembly;

21. a cover plate body;

211. an arc-shaped portion; 2111. reinforcing ribs; 2112. an elastic clamping piece; 212. a straight portion; 2121. a sliding groove;

22. a base;

221. a left side plate; 222. a right side plate; 2222. a reinforcing rib clamping hook; 223. a front side plate; 2231. a buckle groove; 2232. a reinforcing rib clamping hook; 224. a rear side plate; 2241. a buckle groove; 2242. a reinforcing rib clamping hook;

23. a guide plate; 231. a leading tip; 2311. a hook; 232. a straight extension; 2321. a hook; 233. a guide arc portion;

24. a locking device; 241. locking the sliding block; 241a, locking bolt; 242. an elastic member; 243. elastic button digging;

m, a first accommodating cavity; n, the second holds the chamber;

Detailed Description

The claims hereof are to be read in further detail with reference to specific embodiments and to the accompanying drawings, in which the embodiments described are only some, but not all embodiments of the utility model. Based on the embodiments of the present utility model, one of ordinary skill in the art would be able to devise all other embodiments that are obtained without inventive effort and that are within the scope of the present utility model.

It should be understood that, in the embodiments of the present utility model, all directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are used for convenience in describing the present utility model only and are not intended to be limiting, since the directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are based on the orientation, positional relationship shown in the drawings or the orientation or positional relationship in which the inventive product is conventionally put in use. Merely to explain the relative positional relationship, movement, etc. between the components shown in the drawings, the directional indication may be changed when the specific posture is changed.

Furthermore, ordinal words such as "first," "second," and the like in the description of the present utility model are used for distinguishing purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features indicated. The features defining "first", "second" may be explicit or implicit and at least one of the features. In the description of the present utility model, the meaning of "plurality" means at least two, i.e., two or more, unless otherwise specifically defined; the meaning of "at least one" is one or more.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may, for example, be defined as having a relatively fixed positional relationship between components, as having a physically fixed connection between components, as being detachably connected, or as a unitary structure; the connection can be mechanical connection or electric signal connection; can be directly connected or indirectly connected through intermediate media or components; the communication between two elements or the interaction relationship between two elements is not limited by the specification, and the specific meaning of the terms in the present utility model will be understood by those skilled in the art according to the specific circumstances except that the corresponding function or effect cannot be achieved when other understanding is made.

As analyzed by the background technology of the application, in order to solve the technical problems that in the prior art, a part of cover plate components on the floor cleaning machine and the installation shell are integrated, if the cleaning components inside the floor cleaning machine are damaged, the damaged cleaning components can be taken out only after the whole installation shell is disassembled, and therefore, the application provides the cover plate components and the floor cleaning machine.

In a first aspect, as shown in fig. 1 to 8, an embodiment of the present utility model provides a cover plate assembly 2, which is covered on a cleaning head housing 1 of a floor scrubber, the cover plate assembly 2 includes a cover plate 21 and a base 22, the cover plate 21 is lapped over an opening of a garbage box (not shown in the drawings) of the cleaning head housing 1, and the cover plate 21 encloses a first accommodating cavity M for protecting a cleaning roller (not shown in the drawings) of the floor scrubber; the base 22 comprises four side plates extending downwards from the cover plate 21 and enclosing a rectangular frame, and a guide plate 23 covered on the rectangular frame, and the guide plate 23 encloses a second accommodating cavity N; the first accommodating cavity M is communicated with the second accommodating cavity N to guide the garbage hoisted and brushed by the cleaning roller and the brush assembly to be split in different directions.

When the parts inside the cleaning head shell 1 of the floor washing machine are damaged, the cover plate assembly 2 is taken down from the cleaning head shell 1, and the openings at the front part of the cleaning roller of the floor washing machine and the upper part of the garbage box are opened; on the contrary, when the cover plate assembly 1 is assembled, the base 22 is clamped on the front part of the cleaning roller and the opening on the upper part of the garbage box, and the opening of the cleaning head shell of the floor cleaning machine is covered, so that the cover plate assembly 1 which is convenient to directly separate from the cleaning head shell is improved, and the efficiency of disassembling and assembling parts inside the cleaning head shell 1 is improved. On the other hand, the cover plate component 2 can guide the garbage of the cleaning roller and the brush component to flow in different directions because the radians of the two cambered surfaces of the first accommodating cavity M and the second accommodating cavity N are intersected and communicated with each other.

In the utility model, as shown in fig. 1 to 4, the cover plate assembly 2 is covered on the top end of the cleaning head shell 1 of the floor washing machine, and is used for protecting the internal structure of the cleaning head shell 1, preventing the internal structure of the cleaning head shell 1 from being damaged when the cleaning head shell 1 collides with other objects, and protecting the internal structure of the cleaning head shell 1. The cover plate assembly 2 comprises a cover plate 21 and a base 22, the cover plate 21 encloses a first accommodating cavity M for protecting the cleaning roller arranged in the cleaning head shell 1, the inner structure of the cleaning head shell 1 is assembled in the first accommodating cavity M, for example, the cleaning roller, the transmission device and the driving device are assembled in the first accommodating cavity M, the top end of the cleaning head shell 1 is covered by the cover plate assembly 2, and the inner structure of the cleaning head shell 1 is prevented from being exposed, so that damage is caused when collision with other objects occurs. The base 22 includes a left side plate 221, a right side plate 222, a front side plate 223, a rear side plate 224, and a guide plate 23 provided on the rectangular frame so as to extend downward from the cover plate 21 and enclose a rectangular frame, and the guide plate 23 encloses a second accommodation chamber N. When the cover plate assembly 2 is covered on the top end of the cleaning head shell 1, the base 22 is clamped on the inner walls of the first clamping plate 11 and the second clamping plate 12 of the cleaning head shell 1 for clamping the cleaning roller so as to support the top cover plate 21. The base 22 is provided with a second accommodating cavity N, and the second accommodating cavity N is also used for accommodating the internal structure of the cleaning head housing 1, and because the internal structure of the cleaning head housing 1 is more and the occupied space is larger, the first accommodating cavity M and the second accommodating cavity N are mutually communicated to form an accommodating space, thereby setting up and improving the utilization rate of the internal space of the cleaning head housing 1. The front, back, left and right surfaces of the base 22 of the cover plate assembly 2 are detachably connected with four side walls of the upper opening of the dustbin of the cleaning head shell 1; when the whole cover plate assembly 2 is disassembled, the two opposite sides of the base 22 are disassembled and taken out from the opening above the garbage box of the cleaning head shell 1 until the base 22 is separated from the assembled body, and then the whole cover plate assembly 2 can be separated from the cleaning head shell 1; on the contrary, when the cover plate assembly 2 is mounted, the cover plate assembly 2 is mounted on the cleaning head housing 1 after the opposite sides of the base 22 are corresponding to the assembly positions of the opening above the dustbin of the cleaning head housing 1.

In one or some alternative embodiments, as shown in fig. 3, 4, 7 and 8, two sets of opposite side plates of the base 22 are each provided with a fastener for engaging the guide plate 23. Specifically, as shown in fig. 4, 7 and 8, the left side plate 221 and the right side plate 222 of the base 22 are a set of opposite side plates, the front side plate 223 and the rear side plate 224 of the base 22 are another set of opposite side plates, the left side plate 221 and the right side plate 222 are all provided with a stiffener hook 2222 for clamping the guide plate 23, the front side plate 223 is provided with a fastening slot 2231 and a stiffener hook 2232 at intervals, the rear side plate 224 is provided with a fastening slot 2241 and a stiffener hook 2242 at intervals, and all the stiffener hooks and hooks on the base 22 are used for being fastened with the guide plate 23. This facilitates easy removal of the guide plate 23 from the base 22 when it is desired to remove the guide plate 23.

In one or some alternative embodiments, as shown in fig. 2, 3, 5, 7, and 8, the cover 21 includes a smoothly connected arc portion 211 and a straight portion 212, and the base 22 extends downward from the straight portion 212. Specifically, as shown in fig. 2 and 3, the cover 21 is a complete whole, and is divided into an arc portion 211 having an arc shape and a straight portion 212 having a straight shape by bending at an obtuse angle at the headquarters. The arcuate shape of the arcuate portion 211 exactly matches the arcuate shape of the surface of the cleaning roller protected by the cleaning head housing 1 so that the arcuate portion 211 provides effective protection of the cleaning roller with minimal volume and space occupation. The straight part 212 just covers the opening at the upper end of the garbage box of the cleaning head shell 1, and the straight part 212 can cover the opening at the upper end of the garbage box of the cleaning head shell 1 more tightly, so that a brush component (not shown in the drawing) in the cleaning head shell 1 is prevented from throwing garbage out of a gap between the two covers and falling to the ground when brushing the viscous garbage of the solid garbage box.

In one or some alternative embodiments, as shown in fig. 1, 3, 4, 7 and 8, the cover assembly 2 further includes at least two clamping pieces 2112 disposed at two ends of the arc portion 211, and the two clamping pieces 2112 are elastically abutted with two clamping plates 11 and 12 of the cleaning head housing 1 for clamping the cleaning roller, respectively. Specifically, as shown in fig. 1 and 3, two clamping pieces 2112 extending towards the first accommodating cavity M are provided at two ends of the arc portion 211, and elastic protruding points (not shown in the drawing) protruding towards the outer sides of the two ends are provided on the two clamping pieces 2112 respectively, so that when the cover plate assembly 2 is mounted on the cleaning head housing 1 by a user, the two elastic protruding points can be matched with concave points on two clamping plates 11 and 12 for clamping the cleaning roller of the cleaning head housing 1, thereby preventing the cover plate assembly 2 from jumping up, down, left, right, front and back when the cleaning head receives impact in the process of high-speed dragging of the cleaning head, and reducing noise when the cleaning head works.

In one or some alternative embodiments, as shown in fig. 1, 2, 3 and 4, the straight portion 212 forms a stepped end with the two sides of the base connection, the width of the base 22 exactly matches the width of the opening of the dustbin of the cleaning head housing, and the stepped end abuts against the inner side wall and the top wall of the clamping plates 11 and 12. Specifically, as shown in fig. 3 and 4, the design of the stepped end can more conveniently ensure that the base 22 of the cover plate assembly 2 is stably clamped into the opening at the upper end of the garbage box of the cleaning head shell 1, so that even if a user pulls the cleaning head at a faster speed, the cover plate assembly 2 cannot jump up, down, left, right, front and back when the cleaning head shell 1 is impacted, and the noise of the cleaning head during working is reduced.

In one or some alternative embodiments, as shown in fig. 1, 3 and 4, the cover 21 further includes a plurality of reinforcing ribs 2111, and the reinforcing ribs 2111 are spaced apart on the inner side wall of the arc portion 211. The reinforcing ribs 2111 provided at intervals on the inner side wall of the arc portion 211 help to improve the impact of the cover 21 against the cleaning head housing 1 approaching the cleaning roller area in all directions, can improve the impact resistance of the whole cover assembly 2, and can provide better protection for the cleaning roller.

In one or some alternative embodiments, each of the stiffening ribs 2111 is curved and resiliently abuts the surface of the scrub roller. The reinforcing ribs 2111 which are elastically abutted against the surface of the cleaning roller are arranged on the inner side wall of the arc-shaped part 211 at intervals, the surface of the cleaning roller is divided into various diversion areas which cannot be penetrated, the cleaning roller is used for winding garbage into the guide channel and brushing the garbage box by the brush assembly in high-speed rotation, when part of viscous garbage breaks through the obstruction of the brush, the water guide strip and the water squeezing strip in sequence, the cleaning roller continuously takes out of the cleaning tank and is wound to the bottom surface again, and at the moment, the viscous garbage which has the reinforcing rib 2111 with the separation function is wound into the guide channel from the ground again is not prone to moving in the axial direction of the cleaning roller, so that the cleaning efficiency of the cleaning roller is improved. The plurality of reinforcing ribs 2111 simultaneously support the arc-shaped portion 211 in the cover plate assembly 2, so that the arc-shaped portion 211 is stably assembled at the top end of the upper end opening of the dustbin of the cleaning head housing 1, and the stability of the arc-shaped portion 211 is further improved. Each reinforcing rib 2111 is spaced apart from the adjacent reinforcing rib 2111, for example, a distance between each reinforcing rib 2111 and the adjacent reinforcing rib 2111, not only reduces the space occupied by the first receiving cavity M, but also does not reduce the stability of the arc portion 211. At least two reinforcing ribs 2111 are provided, and the embodiment of the utility model is limited to four reinforcing ribs 2111, and the four reinforcing ribs 2111 are simultaneously supported on the support body inside the floor washing machine 2, so that the stability of the arc-shaped portion 211 is further improved.

In one or some alternative embodiments, the guide plate 23 includes a guide tip 231, a guide arc 233, and a straight extension 232 that are sequentially and smoothly connected, where the guide tip 231 is clamped to the front side plate 223, the straight extension 232 is clamped to the rear side plate 224, and the guide arc 233 is clamped to the left side plate 221 and the right side plate 222. The detachable guide plate 23 restricts solid garbage and viscous garbage which are rotationally carried out by the brush assembly through the enclosed second accommodating cavity N on one hand and are thrown into the garbage box along the cambered surface of the guide plate 23, and on the other hand, the guide tip 231 of the guide plate 23 can divide the solid garbage and the viscous garbage which are hoisted by the cleaning roller into two parts in advance, one part of the solid garbage and the viscous garbage continuously rotates upwards along with the cleaning roller to be scraped and extruded by the water supporting strip and the water extruding strip, and the other part of the solid garbage and the viscous garbage are directly brushed away along the cambered surface of the guide plate 23 by the brush. The removable guide plate 23 can be adapted to different brush assemblies and cleaning rollers etc. in order to allow the user to change different parts for different application scenarios to allow the floor scrubber to use more scenarios of deep surface cleaning.

In one or some alternative embodiments, as shown in fig. 6 and 8, a third accommodating cavity P defining the elastic expansion direction of the locking device 24 is defined between the cover 21 and the base 22. Just the base 22 would have been intended to extend towards the upper end opening of the waste bin of the cleaner head housing 1, and the space extending there would just be provided with a locking means 24 for further increasing the abutment stability between the base 22 and the two clamping plates 11, 12 of the cleaner head housing 1. Because the locking device 24 is often required to elastically stretch and retract the related locking bolt, and is enclosed in the third accommodating cavity P enclosed between the cover plate 21 and the base 22, the locking device 24 can be better made waterproof and dustproof, the service life of the locking device 24 capable of repeatedly operating is prolonged, so that the locking device 24 can be ensured to have flexible hand feeling every time a user presses the locking device 24, and the extension and contraction of the related locking bolt can be smoother.

In one or some alternative embodiments, as shown in fig. 6, the locking device 24 includes a pair of elastic members 242 with ends abutting the third accommodating cavity P, a pair of locking sliding blocks 241 with ends abutting the elastic members 242 and extending out of the base side plate, and a pair of elastic key buttons 243 clamped on the locking sliding blocks, where the locking sliding blocks 241 can slide along the axial direction of the elastic members 242. The locking slider 241 capable of sliding along the axial direction of the elastic element 242 is convenient for further extending the width dimension required by the base 22, so that the lock tongue 241a of the locking slider 241 can reach a certain length to penetrate out of the two side plates 221 and 222 of the base 22, and is also convenient for further clamping the elastic key 243 on the locking slider 241, so that the elastic key 243 can conveniently penetrate out of the upper surface of the cover plate assembly 2, and a user can conveniently and directly key and press the elastic key 243 capable of driving the locking device 24 to be used by hand.

In one or some alternative embodiments, as shown in fig. 5 and 6, an abutment plate (not shown in the drawings) extends towards the third accommodating cavity P at the middle of the straight portion 212, and one end of the elastic member 242 abuts against the abutment plate; the middle part of the straight part 212 is concavely provided with a sliding groove 2121 on both sides of the abutting plate toward the direction of the third accommodating cavity P for sliding the elastic key 243 along the axial direction of the elastic member. The stroke required by the sliding groove 2121 is just the stroke that the elastic piece 242 can elastically deform, and the sliding groove 2121 is arranged according to the stroke required by the bolt 241a to extend and retract, so that the elastic key 243 can slide along the axial direction of the elastic piece. The sliding groove 2121 can enable the user to more conveniently key the elastic key 243 of the locking device 24, and simultaneously enable the right part of the whole locking device 24 to exceed the large plane of the straight part 212 of the whole gland assembly 2, so that the space of the whole base 22 is more effectively utilized, and the space utilization rate of the third accommodating cavity P is further improved.

In one or some alternative embodiments, as shown in fig. 1, 3, 4, 6 and 8, a lock tongue 241a that can extend out of the base side plate is disposed at an end of the lock slide 241 facing away from the elastic member 242, and in the locked state, the lock tongue 241a elastically abuts against the inner side walls of the two clamping plates 11 and 12 of the cleaning head housing 1. The lock tongue 241a can further promote the whole base 22 elasticity joint to the joint stability of the rubbish box upper end opening of cleaning head casing 1, even if the user pulls the cleaning head with the speed that is fast again, also be unlikely to let apron subassembly 2 beat about the upper and lower when cleaning head casing 1 receives the impact, reduced the noise of cleaning head during operation.

In one or some alternative embodiments, opposite sides of the base 22 are detachably connected to the upper end opening of the dustbin of the cleaner head housing 1 by means of a snap fit or a screw to facilitate removal of the entire cover assembly 1 without removing the entire mounting housing to remove the damaged cleaning assembly.

In addition, the opening at the upper end of the dustbin of the head cleaning housing 1 in the embodiment of the present utility model may be specifically a support body (not shown in the drawings) for supporting the entire cover plate assembly 1 at the top end of the floor cleaning machine 2, and the specific structural form of the support body may be flexibly set according to actual needs.

In one or some alternative embodiments, two opposite sides of the base 22 may also be provided with fastening members (not shown in the drawings) for being fastened to the upper end opening of the dustbin of the cleaner head housing 1, and when the cover plate assembly 2 is installed, the fastening members on two opposite sides of the base 22 are fastened to corresponding positions on the upper end opening of the dustbin of the cleaner head housing 1, respectively, so as to stably assemble the whole to the upper end opening of the dustbin of the cleaner head housing 1; conversely, when the whole cover plate assembly 1 is disassembled, the whole cover plate assembly 2 can be taken out after the buckling pieces on the two opposite sides of the base 22 are separated from the corresponding positions on the upper end opening of the dustbin of the cleaning head shell 1.

In one or some alternative embodiments, a guide plate 23 is disposed on one side of the base 22 near the first accommodating chamber M, and a through hole (not shown in the drawings) is formed through the guide plate 23, and penetrates through the thickness of the guide plate 23 to communicate the first accommodating chamber M with the interior of the base 22, thereby providing that the structure located in the base 22 is interconnected with the structure located in the first accommodating chamber M after penetrating through the through hole.

Through the cover plate assembly 2 of the embodiment of the utility model, when the parts inside the cleaning head shell 1 of the floor washing machine are damaged, the cover plate assembly 2 is taken down from the cleaning head shell 1, and the openings at the front part of the cleaning roller of the floor washing machine and the upper part of the garbage box are opened; on the contrary, when the cover plate assembly 1 is assembled, the base 22 is clamped on the front part of the cleaning roller and the opening on the upper part of the garbage box, and the opening of the cleaning head shell of the floor cleaning machine is covered, so that the cover plate assembly 1 which is convenient to directly separate from the cleaning head shell is improved, and the efficiency of disassembling and assembling parts inside the cleaning head shell 1 is improved.

In a second aspect, the embodiment of the utility model also provides a floor scrubber, on which the cover plate assembly 2 according to the first aspect is arranged.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (13)

1. A cover plate assembly for covering a cleaning head housing of a floor scrubber, the cover plate assembly comprising:

the cover plate is lapped right above the opening of the garbage box of the cleaning head shell and surrounds a first accommodating cavity for protecting the cleaning roller of the floor cleaning machine;

the base comprises four side plates which extend downwards from the cover plate and form a rectangular frame in a surrounding mode and a guide plate which is arranged on the rectangular frame in a covering mode, and the guide plate surrounds a second accommodating cavity;

the first accommodating cavity is communicated with the second accommodating cavity so as to guide the garbage hoisted and brushed by the cleaning roller and the brush assembly to be split in different directions.

2. The cover plate assembly of claim 1, wherein two sets of opposing side plates of the base are each provided with a clasp for clasping the guide plate.

3. The cover plate assembly of any one of claims 1-2, wherein the cover plate includes a smoothly connected arcuate portion and a straight portion, the base extending downwardly from the straight portion.

4. The cover plate assembly of claim 3, further comprising at least two clamping pieces disposed at both ends of the arc portion, the two clamping pieces elastically abutting against two clamping plates of the cleaning head housing for clamping the cleaning roller, respectively.

5. The cover assembly of claim 4, wherein the flat portion forms stepped ends on both sides of the connection with the base, the base having a width that exactly matches the width of the dustbin opening of the cleaning head housing, the stepped ends abutting the inner side walls, top wall of the clamp plate.

6. The cover plate assembly of claim 3, wherein the cover plate further comprises a plurality of stiffening ribs spaced apart on the inner side wall of the arcuate portion.

7. The cover assembly of claim 6, wherein each of the stiffening ribs is curved and resiliently abuts a surface of the scrub roller.

8. The cover plate assembly of claim 1, wherein the guide plate comprises a guide tip portion, a guide arc portion and a straight extension portion which are sequentially and smoothly connected, the guide tip portion is clamped with the front side plate, the straight extension portion is clamped with the front side plate, and the guide arc portion is clamped with the left side plate and the right side plate.

9. The cover assembly of claim 5, wherein a third receiving cavity is defined between the cover and the base that defines a direction in which the locking mechanism resiliently expands and contracts.

10. The cover plate assembly according to claim 9, wherein the locking device comprises an elastic member with one end abutting against the third accommodating cavity, a locking sliding block with one end abutting against the other end of the elastic member and extending out of the side plate of the base, and a pair of elastic key buttons clamped on the locking sliding block, and the locking sliding block can slide along the axial direction of the elastic member.

11. The cover plate assembly according to claim 10, wherein an abutting plate extends from the middle of the straight portion towards the third accommodating cavity, and one end of the elastic piece abuts against the abutting plate; the middle part of the straight part is concavely provided with a sliding groove for the elastic key button to slide along the axial direction of the elastic piece at two sides of the abutting plate towards the direction of the third accommodating cavity.

12. The cover plate assembly according to claim 10, wherein a locking tongue which can extend out of the base side plate is arranged at one end of the locking slide block, which is away from the elastic piece, and the locking tongue is elastically abutted with the inner side wall of the clamping plate in the locking state.

13. A floor washer having a cover plate assembly as claimed in any one of claims 1 to 12 disposed thereon.