CN217365687U - Ground cleaning device convenient to use - Google Patents

Abstract

The utility model relates to the technical field of ground cleaning devices, and the rolling brush of the prior ground cleaning device is easy to break the supporting end cover when being disassembled, the utility model provides a ground cleaning device which is convenient to use, comprising a ground brush; the ground brush comprises a machine shell with a roller brush cavity, a roller brush component detachably connected with the machine shell and a driving mechanism used for driving the roller brush component; an opening communicated with the roller brush cavity is formed in one side portion of the machine shell, the roller brush assembly is at least partially installed on the machine shell through the opening, the roller brush assembly comprises a latch cover and a roller brush, one end of the latch cover is rotatably connected with the roller brush, the other end of the latch cover is connected with the machine shell, a dismounting portion is further arranged on the latch cover, and the dismounting portion is located on the outer side face, opposite to the roller brush, of the latch cover so that drawing force during dismounting is located on a rotating axis of the roller brush; therefore, the force arm is not provided, the latch cover is not provided with torque force, the damage to the latch cover due to improper force application in the disassembly process is avoided, and the service life is prolonged.

Description

Ground cleaning device convenient to use

Technical Field

The utility model relates to a ground cleaning device technical field, concretely relates to ground cleaning device who facilitates use.

Background

Existing floor cleaning devices, such as floor washers, have a main housing with a brush member having a roller mounted thereon, the roller being removably connected to the main housing so that the roller can be removed for cleaning after a period of use. The side of the main casing body is equipped with the support housing that extends forward, there is actuating mechanism (including motor and gear drive mechanism) in the support housing, round brush one end is realized dismantling with actuating mechanism through the interference fit of spline and spline groove and is connected and the transmission, the other end of round brush is equipped with the support end cover, the round brush passes through the bearing rotation with the one end of supporting the end cover and is connected, the other end of supporting the end cover passes through the locating pin with the other side of the main casing body, the location fastener, the cooperation between catching groove and the constant head tank is solid can dismantle and is connected. The locating pin, the locating fastener, the catching groove and the locating groove occupy certain space, and therefore, the locating pin, the locating fastener, the catching groove and the locating groove are close to one side of the main shell when in arrangement.

When the rolling brush with the structure is disassembled, a supporting end cover (one side with a positioning pin, a positioning fastener, a buckle groove and a positioning groove) close to one side of the main shell body needs to be grasped by hands, the other end of the rolling brush can overcome the frictional resistance between the spline and the spline groove by forcefully pulling outwards, and finally the rolling brush is separated from the main shell body. Because this side and the round brush that have locating pin, location fastener, catching groove and constant head tank on supporting the end cover are relative to be set up, consequently when grabbing supporting the end cover and taking out, the effort of exerting does not pass through spline groove and spline, can have longer arm of force, and at the in-process of dismantling many times, supporting the end cover and bearing such great moment of torsion for a long time, tired very easily, damage.

Therefore, a ground cleaning device convenient to use needs to be developed, the stress condition of the supporting end cover can be improved in the process of disassembling the rolling brush, the damage to the supporting end cover is avoided, and the service life of the ground cleaning device is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome above-mentioned current ground cleaning device's round brush when dismantling, the easy defect of rupture support end cover provides a ground cleaning device who facilitates the use, can improve the atress condition of support end cover at the in-process of dismantling the round brush, avoids the damage of support end cover, prolongs its life.

In order to achieve the above object, the utility model discloses a following technical scheme can realize: a convenient floor cleaning device comprises a floor brush, wherein the floor brush comprises a machine shell with a roller brush cavity, a roller brush component detachably connected with the machine shell and a driving mechanism used for driving the roller brush component; one side portion of casing is equipped with the opening with roller brush chamber intercommunication, roller brush subassembly at least part passes through the opening is installed on the casing, roller brush subassembly includes latch cover and roller brush, the one end and the roller brush of latch cover rotate to be connected, the other end and the casing of latch cover are connected, still be equipped with the dismantlement portion on the latch cover, the dismantlement portion be located on the latch cover with on the relative lateral surface of roller brush so that the pull power when dismantling is located the axis of rotation of roller brush.

The utility model discloses further preferred scheme does: and a concave cavity extending into the roller brush is arranged on the outer side surface of the latch cover opposite to the roller brush, and the disassembling part is arranged in the concave cavity.

The utility model discloses further preferred scheme does: the latch cover is provided with at least two cavities, the cavities extend to the cavities inside the roller brush, and a space is formed between the two cavities to form the detaching part.

The utility model discloses further preferred scheme does: the disassembly part is horizontally arranged in a straight line shape.

The utility model discloses further preferred scheme does: one end of the roller brush is provided with an inwards concave end cover, a roller brush shaft and a bearing positioned at the tail end of the roller brush shaft are arranged in the end cover, a bearing groove is formed in the back face of the latching cover at the concave cavity, and the latching cover and the roller brush are fastened in an interference fit mode through the bearing groove and an outer ring of the bearing.

The utility model discloses further preferred scheme does: and a clamping groove for mounting a bearing retainer ring is arranged on the side wall of the bearing groove so as to limit the axial movement of the latch cover relative to the bearing.

The utility model discloses further preferred scheme does: the latch cover includes an outer cover, an inner cover, and a detachment portion; one end of the outer cover is detachably connected with the other side part of the casing, the cavity is formed in the other end of the outer cover, the dismounting part is located at the front bottom of the cavity, one side of the inner cover is connected with the back face of the cavity, and the bearing groove is formed in the other side of the inner cover.

The utility model discloses further preferred scheme does: the back of the outer cover at the concave cavity is provided with a fixed sleeve for mounting the inner cover; when the one end of inner cup is inserted when fixed cover is close-fitting and is made with the outer wall of inner cup the inner wall of inner cup with bearing interference fit, be equipped with the stopper that is used for restricting bearing axial displacement on the inner wall of inner cup.

The utility model discloses further preferred scheme does: the other side part of the machine shell is provided with a groove for accommodating the latching cover, and the inner side wall of the groove is matched with the latching cover and used for limiting the latching cover and avoiding the displacement of the latching cover in the vertical direction.

The utility model discloses further preferred scheme does: the other side part of the machine shell and one end of the latch cover are respectively provided with a magnet, and the machine shell and the latch cover are detachably connected through attraction between the magnets.

The utility model discloses further preferred scheme does: the other side part of the machine shell and the latch cover are respectively provided with a positioning hole and a positioning bulge, and the positioning hole and the positioning bulge are matched to prevent the roller brush from being separated along the length direction of the latch cover.

To sum up, the utility model discloses following beneficial effect has: set up the dismantlement portion on the latch lid with the relative lateral surface of roller brush for when dismantling the roller brush through grabbing the dismantlement portion, the effort of applying is on the axis of rotation of roller brush, also with the frictional resistance collineation between the spline groove of roller brush one end and the spline head, consequently does not have the arm of force, does not have the moment of torsion power on the latch lid yet, has avoided dismantling the in-process because of the improper damage to the latch lid of application of force, and then increase of service life. Accordingly, the strength of the latch cover can be appropriately reduced, a thinner latch cover can be used, adverse effects in the process of cleaning corners using a roller brush can be avoided as much as possible, and more corners can be cleaned. And will dismantle the portion setting in being located the cavity of roller brush, make full use of the inner space of roller brush, avoid occupying its outer space outward for can also reduce the clearance dead zone between roller brush and the wall when the clearance. In addition, the latch cover is connected with the shell in a magnetic attraction mode, the structure of the latch cover can be simplified while the same connection function is achieved, the latch cover can be made to be very thin, production and manufacturing are facilitated on the other hand, and production efficiency is improved.

Drawings

FIG. 1 is a schematic view of the structure of a floor brush in the floor cleaning device described in example 1.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is an exploded view of the floor brush and the latch cover in embodiment 1.

Fig. 4 is a sectional view of the roller brush in example 1 in an assembled state along an axial direction of the roller brush.

Fig. 5 is a sectional view of the roller brush in an exploded state in the axial direction of the roller brush in example 1.

Fig. 6 is an enlarged view of the latch cover of embodiment 2 at the cavity, showing two semicircular cavities forming a relief with an intervening space.

Fig. 7 is a sectional view of one end of the roller brush in the axial direction of the roller brush in example 3.

Fig. 8 is an enlarged view at B in fig. 7.

Wherein: 100. a housing; 110. a roller brush cavity; 120. a water blocking cover; 130. a drive mechanism; 140. a groove; 141. positioning the projection; 210. roller brushing; 211a, a right end cover; 211b, left end cap; 212. a roller brush shaft; 220. a bearing; 230. an inner cover; 231. a card slot; 232. a limiting block; 240. an outer cover; 241. a concave cavity; 242. a detaching part; 243. positioning holes; 244. fixing a sleeve; 250. a bearing retainer ring; 310. a first magnet; 320. a second magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

It should be noted that the floor cleaning device of the present disclosure may be a self-propelled floor cleaning robot, or may be a hand-held floor cleaning device. The self-walking type ground cleaning robot comprises the structure and walking wheels for supporting and driving the ground cleaning device to walk. The present disclosure is described with reference to a hand-held floor cleaning device.

Example 1:

this embodiment provides a ground cleaning device who facilitates use, including scrubbing brush and hand-held type host computer, wherein be equipped with the air exhauster on the hand-held type host computer to and detachable sewage box. The sewage box comprises an upper cover and a box body, a sewage suction air channel is arranged in the box body, and the upper cover and the box body are detachable. Convulsions produced the negative pressure in one side (top) of soil pick-up wind channel when using, and ground impurity is swept into the soil pick-up passageway by the scrubbing brush after, through sewage box and deposit wherein, gaseous then is taken out by the air exhauster, and filter assembly then locates on the upper cover of sewage box for further filter the gaseous of process.

As shown in fig. 1 and 2, the structure of the floor brush is shown. The floor brush includes a housing 100 having a roller brush chamber 110, a roller brush assembly detachably coupled to the housing 100, and a driving mechanism 130 for driving the roller brush assembly. The scrubbing brush front side is equipped with detachable manger plate lid 120, and manger plate lid 120 rear end can be dismantled with casing 100 and be connected, and manger plate lid 120 front end has curved breakwater for half package of roller brush 210 that will be located its below prevents that the water stain on its surface from being thrown away because of centrifugal force when roller brush 210 rotates.

In this embodiment, a driving mechanism 130 is disposed at the left side of the casing 100, an opening communicating with the roller brush chamber 110 is disposed at the right side of the casing 100, and the roller brush assembly is at least partially mounted on the casing 100 through the opening.

Specifically, the roller brush assembly includes a latch cover, a front end of which is rotatably coupled to the roller brush 210, and a roller brush 210, a rear end of which is coupled to the cabinet 100. When the cabinet 100 is placed on the ground, the cabinet 100, the water blocking cover 120, the ground, and the driving mechanism 130 and the latch cover, which are respectively located at the left and right sides of the roller brush 210, form the roller brush chamber 110 therebetween.

The latch cover is further provided with a detaching part 242, and the detaching part 242 is located on an outer side surface of the latch cover opposite to the roller brush 210 so that a pulling force during detaching is located on a rotation axis of the roller brush 210. That is, the inside of the latch cover is rotatably coupled to the roller brush 210 through a bearing 220, and the outside of the latch cover is provided with a detaching part 242.

The thickness of the latch cover on one side of the roller brush 210 determines the size of the cleaning dead zone when the floor brush is used to clean corners. The thinner the latch cover, the closer the roller brush 210 can be to the wall to clean the floor, the smaller the cleaning dead space. Therefore, in order to reduce the cleaning dead zone of the roller brush 210, a concave cavity 241 extending to the inside of the roller brush 210 is provided on the outer side surface of the latch cover facing the roller brush 210, and the detaching part 242 is provided in the concave cavity 241.

In this embodiment, the detaching portion 242 is a horizontal handle, which is horizontally disposed for facilitating the taking of the horizontal handle. The handle and the latch cover are fastened by screws, as shown in detail in fig. 3.

As shown in fig. 4 and 5, in this embodiment, the left and right ends of the roller brush 210 are both provided with an inwardly concave end cover, and a spline groove is provided in the left end cover 211b thereof for implementing interference fit and transmission connection with a spline head on the driving mechanism 130; the right end cover 211a is internally provided with a roller brush shaft 212 and a bearing 220 positioned at the tail end of the roller brush shaft 212, the head end of the roller brush shaft 212 faces inwards and is inserted into the end cover to be fixedly connected with the end cover, and the tail end of the roller brush shaft 212 faces outwards. Correspondingly, the back (and inner side) of the latch cover at the cavity 241 is provided with a bearing groove, and the latch cover and the roller brush 210 are fastened through interference fit with the outer ring of the bearing 220 through the bearing groove. Meanwhile, a clamping groove 231 for mounting a bearing retainer 250 is formed on the side wall of the bearing groove to limit the axial movement of the latch cover relative to the bearing 220, so as to prevent the latch cover from being separated from the bearing 220 when the latch cover is connected, thereby preventing the roller brush 210 from running unstably.

Further, in order to increase the connection strength of the bearing groove and the bearing 220, in the present embodiment, the latch cover includes an outer cover 240, an inner cover 230, and a detaching portion 242. The rear end of the outer cover 240 is detachably connected to the right side of the casing 100, and the cavity 241 is disposed at the front end of the outer cover 240. The detaching part 242 is located at the bottom of the front (outer) side of the cavity 241 in the direction of the rotation axis of the roller brush 210, the outer side of the inner cover 230 is connected to the rear (inner) side of the cavity 241, the bearing groove is provided at the inner side of the inner cover 230, and the inner cover 230 is shown in fig. 3 to 5.

Thus, the latch cover is divided into the inner cover 230 and the outer cover 240, which can be made of different materials, and the inner cover 230 (with bearing grooves) has higher strength requirements, so that a high-strength metal part can be used to replace a plastic part, and the outer cover 240 can be made of a plastic part.

Further, a groove 140 for accommodating the outer cover 240 is formed in the right side portion of the chassis 100, and an inner side wall of the groove 140 is adapted to the outer cover 240, so as to limit the outer cover 240 and prevent the outer cover 240 from displacing in the vertical direction. In this embodiment, the outer cover 240 is a long waist shape, the groove 140 extends backward from the front of the right side of the casing 100 (communicating with the roller brush cavity 110), and the upper sidewall and the lower sidewall of the groove 140 are a pair of parallel planes, so that the outer cover 240 can be tightly attached to the upper and lower sides of the outer cover 240 after being installed, thereby achieving a good limiting effect.

In order to further facilitate the detachment of the latch cover while reducing the thickness of the outer cover 240, in this embodiment, the right side portion of the casing 100 and the rear end of the outer cover 240 are both provided with magnets, and the casing 100 and the outer cover 240 are detachably connected by attraction between the magnets.

Specifically, the right side portion of the casing 100 and the outer cover 240 are provided with positioning holes 243 and positioning protrusions 141, and the positioning holes 243 and the positioning protrusions 141 cooperate to prevent the roller brush 210 from being separated in a length direction (i.e., a front-rear side direction) of the latch cover. The positioning hole 243 is disposed on the outer cover 240, and the positioning protrusion 141 is disposed in the groove 140.

For the sake of aesthetic appearance, the positioning protrusion 141 is also provided in a long waist shape, and the periphery of the positioning protrusion 141 is disposed at an equal distance from the peripheral wall of the groove 140. Correspondingly, the positioning hole 243 may also be a long waist shape with a corresponding shape and size, and two magnets are respectively disposed around the positioning hole 243 and the positioning protrusion 141, so that when the edge of the outer cover 240 is fitted into the groove 140, the magnet inside the positioning ring and the magnet on the peripheral wall of the positioning block are attached tightly and attracted. As shown in fig. 2 and 3, in the present embodiment, the magnet located on the positioning hole 243 is the first magnet 310, and the magnet located on the peripheral wall of the positioning boss 141 is the second magnet 320.

Example 2:

as shown in fig. 6, another embodiment of the detaching part 242 is shown in example 2, and compared to example 1, the detaching part 242 in this example is mainly different from the detaching part 242 in example 1 in that: in this embodiment, the outer cover 240 is provided with two cavities 241, the cavities 241 extend to the cavities 241 inside the roller brush 210, and the two cavities 241 are spaced apart from each other to form the detaching portion 242. That is, the detaching part 242 is formed by the outer cover 240 through an injection mold at the time of production, that is, the detaching part 242 is integrally formed with the outer cover 240.

In the present embodiment, the linear detaching portion 242 may be formed by only two concave cavities 241, the Y-shaped detaching portion 242 may be formed by three concave cavities 241, or the cross-shaped detaching portion 242 may be formed by four concave cavities 241.

The rest of the structure and the features are the same as those of embodiment 1, and are not described in detail here.

Example 3:

as shown in fig. 7 and 8, another way of limiting the position of the bearing by the inner cover is shown in embodiment 3, and compared with embodiment 1, the main difference between the inner cover 230 and the bearing 220 in this embodiment is: the back of the outer cover at the cavity in this embodiment is provided with a retaining sleeve 244 for mounting the inner cover 230. The fixing sleeve 244 is circular, the inner cap is trumpet-shaped, one end is large and the other end is small, the small end can be inserted into the fixing sleeve 244, and the bearing 220 is placed in the inner wall of the small end of the inner cap. When one end of the inner cover is inserted into the fixing sleeve, the fixing sleeve is tightly matched with the outer wall of the inner cover, and the inner wall of the inner cover is in interference fit with the bearing. Meanwhile, the inner wall of the inner cover is provided with a limiting block 232 for limiting the axial movement of the bearing, so that after assembly, the bearing is positioned between the outer cover and the limiting block in the axial direction and is axially limited by the outer cover and the limiting block.

Come to carry out the axial spacing to the bearing through the stopper, saved the use of bearing retainer ring promptly, retrench spare part, cover including avoiding simultaneously and set up the draw-in groove, strengthened the intensity of inner cup, again can make full use of the inner cup to the cooperation of stopper when being connected with fixed cover, the inner cup inserts in the fixed cover tighter, the stopper supports the bearing just more firm.

The rest of the structure and the features are the same as those of embodiment 1, and are not described in detail here.

Claims (10)

1. A convenient floor cleaning device comprises a floor brush, wherein the floor brush comprises a machine shell with a roller brush cavity, a roller brush component detachably connected with the machine shell and a driving mechanism used for driving the roller brush component; the roller brush assembly is characterized in that the roller brush assembly comprises a latch cover and a roller brush, one end of the latch cover is rotatably connected with the roller brush, the other end of the latch cover is connected with the shell, a dismounting portion is further arranged on the latch cover, and the dismounting portion is located on the outer side face, opposite to the roller brush, of the latch cover so that drawing force during dismounting is located on the rotating axis of the roller brush.

2. A floor cleaning apparatus according to claim 1 wherein the latch cover opposite the roller brush is provided with a recess on its outer side which extends into the interior of the roller brush, the removal portion being provided in the recess.

3. A floor cleaning apparatus according to claim 1, wherein the latch cover is provided with at least two cavities which extend to the cavities inside the roller brush with a space therebetween and form the removal portion.

4. A floor cleaning apparatus as claimed in any one of claims 1 to 3, wherein the removal portion is arranged horizontally in a line.

5. A floor cleaning device as claimed in claim 2 or 3, characterized in that one end of the roller brush is provided with a concave end cover, a roller brush shaft and a bearing at the end of the roller brush shaft are arranged in the end cover, the back of the latching cover at the concave cavity is provided with a bearing groove, and the latching cover and the roller brush are fastened with the outer ring of the bearing in an interference fit through the bearing groove.

6. A floor cleaning apparatus according to claim 5 wherein the side walls of the bearing grooves are provided with a detent for receiving a bearing collar to limit axial movement of the latch cover relative to the bearing.

7. The floor cleaning apparatus of claim 5, wherein the latch cover includes an outer cover, an inner cover, and a removal portion; one end of the outer cover is detachably connected with the other side part of the casing, the cavity is formed in the other end of the outer cover, the dismounting part is located at the front bottom of the cavity, one side of the inner cover is connected with the back face of the cavity, and the bearing groove is formed in the other side of the inner cover.

8. A floor cleaning apparatus as claimed in claim 7, wherein the outer cover is provided with a retaining sleeve on its rear face at the cavity for mounting the inner cover; when the one end of inner cup is inserted when fixed cover is close-fitting and is made with the outer wall of inner cup the inner wall of inner cup with bearing interference fit, be equipped with the stopper that is used for restricting bearing axial displacement on the inner wall of inner cup.

9. A floor cleaning apparatus according to any of claims 1-3, wherein the other side of the housing is provided with a recess for receiving the latching cover, the inner side wall of the recess being adapted to the latching cover for limiting the displacement of the latching cover in the vertical direction.

10. A floor cleaning apparatus according to any of claims 1-3 wherein magnets are provided on the other side of the housing and on one end of the latch cover, the housing and latch cover being releasably connected by engagement between the magnets.

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