CN216020812U - Roller brush driving mechanism and floor washing machine - Google Patents

Abstract

The utility model relates to a roller brush driving mechanism, which comprises a roller brush, a connecting shaft and a supporting piece, wherein the connecting shaft is used for being matched and connected with the roller brush and rotating together with the roller brush, and the supporting piece is used for supporting the connecting shaft to rotate; the support piece has the support the shaft hole of connecting axle, the support piece still has the axle sleeve portion with the coaxial setting in shaft hole the tip lateral surface of axle sleeve portion is equipped with outside annular arch, annular arch makes be formed with annular groove in the axle sleeve portion. The roller brush driving mechanism can reduce or prevent the problem that hair or fibrous substances cause winding of a connecting shaft for driving the roller brush to rotate as much as possible.

Description

Roller brush driving mechanism and floor washing machine

Technical Field

The utility model relates to the field of cleaning appliances, in particular to a roller brush driving mechanism.

Background

In the field of cleaning devices, such as mops, vacuum cleaners, steam cleaners, and floor washers, it is common to provide a cleaning or sweeping portion, such as a floor washer, wherein cleaning is accomplished by a rotating roller brush that is continuously wiped against the floor by high speed rotation of the roller brush to clean the floor or other dirt on the surface to be cleaned.

The in-process of scrubber in clean ground, on the ground can have some filiform objects unavoidably, for example hair, fibrous material etc. these materials twine the roller brush easily, to utilizing the roller brush to carry out abluent product, inevitably can appear twining on the roller brush, can twine even on the connecting axle at roller brush both ends, increased roller brush pivoted degree of difficulty, make the motor load too big cause the motor to burn out, probably lead to the condition of scrubber trouble.

The anti-winding structure of the product is generally required to be designed, but the current design has some conditions which are not reasonable enough, for example, the structure is too complex, so that the manufacturing cost is increased, or the anti-winding effect is not ideal due to the unreasonable structural design. For this reason, the present invention has been developed in such a background.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving the problems of the related art and an object of the present invention is to provide a roller brush driving mechanism capable of minimizing or preventing a problem of hair or fibrous substances from being wound around a connecting shaft that drives a roller brush to rotate.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows.

The technical scheme of the utility model is that the roller brush driving mechanism comprises a roller brush, a connecting shaft and a supporting piece, wherein the connecting shaft is used for being matched and connected with the roller brush and rotating together with the roller brush, and the supporting piece is used for supporting the connecting shaft to rotate; the support piece has the support the shaft hole of connecting axle, the support piece still has the axle sleeve portion with the coaxial setting in shaft hole the tip lateral surface of axle sleeve portion is equipped with outside annular arch, annular arch makes be formed with annular groove in the axle sleeve portion.

The beneficial effects of this technical scheme are that, through the axle sleeve portion at support piece encircleing the connecting axle, the annular arch can block winding hair or fibrous material roll-off axle sleeve portion, and axle sleeve portion can prevent effectively the winding connecting axle problem that hair or fibrous material arouse to avoid causing equipment trouble.

In an embodiment of this embodiment, the boss portion is integrally formed on the supporting member, and the annular protrusion is integrally formed on the boss portion.

In one embodiment of the technical scheme, the connecting shaft is mounted in the shaft hole through a bearing and can rotate, part or all of one side, facing the roller brush, of the connecting shaft is arranged in the shaft sleeve part, and a gap is formed between the connecting shaft and the inner wall of the shaft sleeve part.

In one embodiment of the technical scheme, the end face of the roller brush is recessed inwards to form a concave cavity, and the end part of the shaft sleeve part extends into the concave cavity. After the end part of the shaft sleeve part extends into the concave cavity, the end part is covered by the roller brush in the radial direction of the axis, and no gap can enter the connecting shaft, so that the problem that hair or fiber substances are wound on the connecting shaft is further prevented.

In one embodiment of the technical scheme, the end face of the first end of the connecting shaft, which faces one side of the roller brush, is provided with teeth or slotted holes, and slotted holes or teeth which are used for being matched with the connecting shaft are arranged inside the concave cavity of the roller brush.

In an embodiment of the technical solution, a cross-shaped stud tooth is arranged on an end surface of the first end of the connecting shaft, and a cross-shaped slot hole matched with the cross-shaped stud tooth is arranged in the concave cavity.

In one embodiment of the technical scheme, the roller brush comprises a roller shaft, bristles fixedly arranged on the side face of the roller shaft and end covers arranged at the end parts of the roller shaft, and the concave cavities are formed in the end covers.

In an embodiment of the technical scheme, the electric bicycle further comprises a motor, a driving wheel and a driven wheel, wherein the motor is installed on the supporting piece, the driving wheel is connected to an output shaft of the motor, the driven wheel is connected with the second end of the connecting shaft, and the driving wheel drives the driven wheel to rotate.

In one embodiment of the technical scheme, the driving wheel and the driven wheel are driven by any one of a belt, a gear and a chain.

The utility model provides a floor washing machine, which comprises a handle part, a machine body part and a base part, wherein the base part is provided with rollers, and the base part is provided with the roller brush driving mechanism in the technical scheme.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

Fig. 1 is a schematic structural view of a floor washing machine in the embodiment.

Fig. 2 is a schematic structural view of a base portion of the floor washing machine in the embodiment.

Fig. 3 is an internal structural view of a base portion of the floor washing machine in the embodiment.

FIG. 4 is a schematic diagram of a roller brush drive mechanism of the floor washing machine in an embodiment.

FIG. 5 is an exploded view of the roller brush drive mechanism of the scrubber of the embodiment.

FIG. 6 is a schematic sectional view of a roller brush driving mechanism of the floor washing machine in the embodiment.

Fig. 7 is an enlarged view of a portion of the structure of fig. 6.

Fig. 8 is a schematic structural view of a support member of the floor washing machine in the embodiment.

Fig. 9 is a schematic structural view of the connecting shaft of the floor washing machine in the embodiment.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Referring to fig. 1 to 3, the present embodiment is a floor washing machine, which includes a handle portion, a machine body portion and a base portion, wherein the handle portion includes a handle 11, the machine body portion includes a main machine housing 12, the handle is connected above the main machine housing 12, the handle 11 is used for grasping to operate the floor washing machine, a control panel and an exhaust fan are arranged inside the main machine housing, a power supply 13, a clean water tank 14 and a sewage tank 15 are detachably mounted on the main machine housing 11, and the floor washing machine can be opened and closed through an operation key 111 on the handle.

Referring to fig. 2 and 3, the base part mainly includes a connector 23, a base 21, a base upper cover 22, a roller brush cover plate 24 and a roller brush driving mechanism, a roller brush 25 is installed on the base 21, the roller brush is driven to rotate by a motor 26 so as to brush the ground to clean the ground, a clean water tank 14 provides clean water for cleaning the roller brush through a water supply pipeline, and the cleaned ground sewage is recovered to a sewage tank through a recovery pipeline under the suction action of an exhaust fan.

As shown in fig. 4 and 5, the roller brush driving mechanism includes a roller brush 25, a connecting shaft 27 to be cooperatively connected with the roller brush and rotated together, and a support 28 for supporting the connecting shaft 27 to rotate; the supporting member is fixedly installed between the base 21 and the roller brush cover plate 24, and the supporting member 28 has a shaft hole 281 for supporting the connecting shaft, and the connecting shaft is installed in the shaft hole 281 through a bearing 29 so that the connecting shaft can rotate under the supporting action of the supporting member.

The rotation of the connecting shaft 27 is driven by the motor 26, the motor is installed in the motor groove 282 of the supporting member 28, the output shaft of the motor 26 is installed with the driving wheel 30, the second end of the connecting shaft 27, which faces away from the roller brush, is connected with the driven wheel 31, in this embodiment, the driving wheel 30 and the driven wheel 31 are both in gear structures, and the driving wheel and the driven wheel are connected and driven by the toothed belt 32, so that the motor drives the connecting shaft to rotate. The driving wheel and the driven wheel can also adopt gear meshing transmission or chain transmission.

Referring to fig. 4 and 5, the roller brush 25 includes a roller shaft 251, brush bristles 252 fixedly provided on a side surface of the roller shaft, and an end cap 253 fixedly installed on an end of the roller shaft facing the connecting shaft, and a concave cavity 254 is concavely formed on an end surface of the end cap, and in order to achieve connection and synchronous rotation of the connecting shaft and the roller brush, a tooth 271 is provided on an end surface of a first end of the connecting shaft 27 facing the side of the roller brush, and a slot 255 for engagement with the connecting shaft is provided inside the concave cavity of the roller brush; or a groove hole is formed on the end face of the end cover in a concave manner, and teeth matched with the connecting shaft are arranged in the concave cavity of the roller brush, so that the effects of connection and power transmission can be realized. As an example, as shown in fig. 5 and 9, the teeth of the end surface of the first end of the connecting shaft are cross-shaped stud teeth, and a cross-shaped slot hole matched with the cross-shaped stud teeth is formed in the concave cavity.

As shown in fig. 6, 7 and 8, the supporting member 28 is further provided with a bushing portion 283 coaxially disposed with the shaft hole, the bushing portion is cylindrical, and an outward annular protrusion 284 is disposed on an outer side surface of an end portion of the bushing portion, and the annular protrusion forms an annular groove 285 on the outer side of the bushing portion, which is recessed inward relative to the annular protrusion.

The shaft sleeve part is integrally formed on the supporting part, the annular bulge is integrally formed on the shaft sleeve part, in order to prevent hair or fiber from being wound on the connecting shaft, the part or the whole of one side, facing the roller brush, of the connecting shaft is arranged in the shaft sleeve part, the connecting shaft is not in contact with the inner wall of the shaft sleeve part, and a gap exists between the connecting shaft and the inner wall of the shaft sleeve part.

Referring to fig. 7, when the roller shaft is connected to the connecting shaft, the cross-shaped teeth of the connecting shaft and the cross-shaped slots in the end caps are engaged, and the end portions of the sleeve portions are inserted into the cavities, so that the end caps cover the end portions of the sleeve portions, and the connecting shaft is covered by the sleeve portions and the end caps of the roller brush, thereby further preventing hair or fiber from being wound around the connecting shaft.

In the roller brush driving mechanism in the embodiment, when hair or fibrous substances are wound at the end part of the roller brush, the hair or the fibrous substances can be wound in the annular groove of the shaft sleeve part under the isolation and protection of the shaft sleeve part, and the hair or the fibrous substances are prevented from being wound on the connecting shaft due to the isolation and blocking effect of the shaft sleeve part.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the utility model is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims (10)

1. A roller brush driving mechanism comprises a roller brush and is characterized by also comprising a connecting shaft and a supporting piece, wherein the connecting shaft is used for being matched and connected with the roller brush and rotating together with the roller brush, and the supporting piece is used for supporting the connecting shaft to rotate; the support piece has the support the shaft hole of connecting axle, the support piece still has the axle sleeve portion with the coaxial setting in shaft hole the tip lateral surface of axle sleeve portion is equipped with outside annular arch, annular arch makes be formed with annular groove in the axle sleeve portion.

2. A roller brush drive mechanism according to claim 1, wherein said boss portion is integrally formed on said support member and said annular projection is integrally formed on said boss portion.

3. A roller brush driving mechanism according to claim 1, wherein said connecting shaft is rotatably mounted in said shaft hole through a bearing, a part or all of a side of said connecting shaft facing the roller brush is disposed inside said boss portion, and a gap is provided between said connecting shaft and an inner wall of said boss portion.

4. A roller brush drive mechanism according to claim 1, wherein the end face of the roller brush is recessed inwardly to form a cavity, and the end of the boss portion projects into the interior of the cavity.

5. A roller brush driving mechanism according to claim 4, wherein the end surface of the first end of the connecting shaft facing the side of the roller brush is provided with teeth or slots, and slots or teeth for engaging with the connecting shaft are provided inside the cavity of the roller brush.

6. A roller brush drive according to claim 5, characterized in that the end face of the first end of the connecting shaft is provided with cross-shaped stud teeth, and that cross-shaped slots are provided in the cavity for cooperation with the cross-shaped stud teeth.

7. A roller brush drive according to claim 5, wherein the roller brush comprises a roller, bristles fixed to the sides of the roller and end caps mounted to the ends of the roller, the cavities being formed in the end caps.

8. A roller brush drive mechanism according to claim 1, further comprising a motor, a drive wheel and a driven wheel, wherein the motor is mounted on the support member, the drive wheel is connected to an output shaft of the motor, the driven wheel is connected to a second end of the connecting shaft, and the drive wheel drives the driven wheel to rotate.

9. A roller brush drive according to claim 8, wherein the drive wheel and the driven wheel are driven by any one of a belt, a gear and a chain.

10. A floor washing machine comprising a base portion on which a roller brush drive mechanism according to any one of claims 1 to 9 is mounted.

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