CN214342116U

CN214342116U - Round brush subassembly and cleaning device who has this round brush subassembly

Info

Publication number: CN214342116U
Application number: CN202023151656.3U
Authority: CN
Inventors: 罗阿琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-08
Anticipated expiration: 2030-12-24

Abstract

The utility model provides a round brush subassembly and cleaning device who has this round brush subassembly. The rolling brush assembly comprises a rolling brush body, rolling brush driving holes and a rolling brush positioning mechanism, wherein the rolling brush driving holes and the rolling brush positioning mechanism are respectively arranged at two axial ends of the rolling brush body; a rotating shaft with one end connected with the rolling brush positioning mechanism in a penetrating and sleeving manner is arranged on the rolling brush body; the rolling brush positioning mechanism comprises a rolling brush support and an elastic piece which is fixedly connected to the rolling brush support in a deformable and compressible mode. Sufficient clearance is reserved in the axial to this round brush subassembly, guarantees that the round brush body does not interfere when packing into the cleaning head, and the compensation is done through the reversible compression deformation of elastic component to the axial clearance for can closely cooperate between the drive head of round brush body and cleaning head, avoided the round brush body axial float, and reduced radial runout, so that the operation of round brush subassembly is more balanced, vibrations and noise have been reduced, and then improved the complete machine performance and the user satisfaction of installing the cleaning device of this round brush subassembly.

Description

Round brush subassembly and cleaning device who has this round brush subassembly

Technical Field

The utility model relates to a cleaning device technical field especially relates to a round brush subassembly and cleaning device who has this round brush subassembly.

Background

Cleaning heads with roller brushes are commonly used in cleaning appliances or cleaning devices, in particular floor washers and long-handled vacuum cleaners. The accuracy of the positioning of the roller brush on the cleaning head directly affects the operating performance of the roller brush. At present, in general cleaning equipment, one end of a rolling brush is butted with a driving head through a conical tooth, the tightness of butt joint matching is greatly influenced by the dimensional tolerance of a rolling brush component, and the consistency of matching is difficult to ensure; if the matching is too tight, the running current is increased, and the running time is shortened; if the matching is too loose, the vibration and the axial movement are increased during operation, and the noise is increased, thereby affecting the performance of the whole machine and the user experience.

Utility model patent application No. CN201921310367.8 discloses a round brush subassembly and cleaning device that has it. This round brush subassembly includes: the rolling brush mechanism comprises a rolling brush body and a shell, the rolling brush body is rotatably arranged in the shell, and the shell is provided with a connecting hole penetrating through the wall body of the shell; the driving mechanism comprises a mounting bracket and a transmission shaft, the mounting bracket is provided with a hollow extending part, the extending part is matched with the connecting hole and extends into the shell, and the transmission shaft penetrates through the inside of the extending part to be connected with the rolling brush body; the elastic piece is sleeved on the extension portion and located between the outer peripheral wall of the extension portion and the inner peripheral wall of the connecting hole.

Utility model patent application No. CN201520789481.9 discloses a round brush subassembly for cleaning device and cleaning device with it. This a round brush subassembly for cleaning device includes: the end cover is arranged at one end of the rolling brush body in the axial direction and rotates synchronously with the rolling brush body, a through hole penetrating along the axial direction of the rolling brush body is formed in the end cover, the elastic piece can be arranged between the rolling brush body and the through hole in a compressible mode, and the driving shaft compresses the elastic piece towards the rolling brush body and then is in clearance limiting fit with the through hole to drive the end cover to rotate.

Utility model patent with application number CN202020066165.X discloses a round brush installation mechanism and machine of sweeping floor. The rolling brush installation mechanism comprises a clamping groove structure and an elastic piece, wherein the clamping groove structure is rotatably arranged on the shell of the sweeper, the elastic piece is arranged on the clamping groove structure, a rolling brush component of the sweeper is clamped with the clamping groove structure, one end of the elastic piece is connected with the clamping groove structure, and the other end of the elastic piece is supported on the rolling brush component so as to compress the rolling brush component in the clamping groove structure, so that the rolling brush component and the clamping groove structure synchronously rotate.

However, the roller brush assembly has the defects of low positioning accuracy of the roller brush on the cleaning head and complex structure.

In view of the above, there is a need for an improved rolling brush assembly and a cleaning device having the same to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a round brush subassembly and cleaning device who has this round brush subassembly.

In order to realize the purpose of the utility model, the utility model provides a rolling brush component, which comprises a rolling brush body, rolling brush driving holes and rolling brush positioning mechanisms, wherein the rolling brush driving holes and the rolling brush positioning mechanisms are respectively arranged at the two axial ends of the rolling brush body; a rotating shaft with one end connected with the rolling brush positioning mechanism in a penetrating and sleeving manner is arranged on the rolling brush body;

the rolling brush positioning mechanism comprises a rolling brush support and an elastic piece which is fixedly connected to the rolling brush support in a deformable and compressible mode.

As a further improvement of the utility model, the elastic part comprises a deformable and compressible elastic body and a fixed installation part arranged on the peripheral wall of the elastic body.

As a further improvement of the utility model, the peripheral wall of the rolling brush bracket is provided with a mounting groove matched with the fixed mounting part; the fixed mounting part is clamped with the mounting groove.

As a further improvement of the utility model, a middle through hole is arranged in the axial direction of the rolling brush bracket; one end of the rotating shaft is connected with the middle through hole of the rolling brush support in a penetrating and sleeving manner, and the other end of the rotating shaft extends into the rolling brush body and is tightly matched with the rolling brush body.

As a further improvement of the present invention, the elastic body is sleeved with the rotating shaft to abut against one end of the rolling brush support or not.

As a further improvement of the utility model, a clamping groove is arranged on one end of the rotating shaft facing the direction of the elastic body; the draw-in groove with set up in the elastic component with C shape rand joint between the round brush support.

As a further improvement, the axial of the rolling brush support is provided with a hollow installation cavity, and the installation cavity is embedded and connected with a bearing.

As a further improvement of the utility model, the middle through hole is matched with a through hole which is axially penetrated by the bearing; the bearing and the rotating shaft are connected in a penetrating and sleeving manner and are in clearance fit.

As a further improvement of the utility model, the round brush driving hole is mutually supported with the round brush driving head on the cleaning head, and is used for driving the round brush body rotates.

In order to realize the purpose of the utility model, the utility model also provides a cleaning device containing the rolling brush component.

The utility model has the advantages that:

the utility model provides a round brush subassembly, add the elastic component in the round brush positioning mechanism, reserve enough clearance in the axial of round brush subassembly, it does not interfere when the cleaning head is packed into to guarantee the round brush body, the axial clearance is compensated through the deformation of elastic component, make and closely cooperate between the drive head of round brush body and cleaning head, the axial float has been avoided, and radial runout has been reduced, so that the round brush subassembly operation is more balanced, vibrations and noise have been reduced, and then the complete machine performance and the user satisfaction of the cleaning device who installs this round brush subassembly have been improved, the technical defect that the round brush is difficult to the location among the prior art has been overcome.

Drawings

Fig. 1 is a schematic structural view of the rolling brush assembly provided by the present invention.

Fig. 2 is an exploded view of the rolling brush assembly provided by the present invention.

Fig. 3 is a sectional view of the rolling brush assembly installed on the cleaning head according to the present invention.

Fig. 4 is a schematic structural view of a rolling brush driving hole of the rolling brush assembly provided by the present invention.

Fig. 5 is a cross-sectional view of a cleaning device having a rolling brush assembly according to the present invention.

Reference numerals

100-a roller brush assembly; 1-rolling brush body; 11-a rotating shaft; 111-card slot; 2-rolling brush driving hole; 3-rolling brush positioning mechanism; 31-a rolling brush holder; 311-mounting grooves; 312-middle via; 313-a mounting cavity; 32-a bearing; 33-an elastic member; 331-an elastomeric body; 332-a fixed mounting part; 34-C-shaped collar; 35-gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 to 4, the present invention provides a rolling brush assembly 100, which includes a rolling brush body 1, rolling brush driving holes 2 respectively disposed at two axial ends of the rolling brush body 1, and a rolling brush positioning mechanism 3. And a rotating shaft 11 with one end connected with the rolling brush positioning mechanism 3 in a penetrating and sleeving manner is arranged on the rolling brush body 1.

Referring to fig. 2 and 3, the rolling brush positioning mechanism 3 includes a rolling brush holder 31, a bearing 32, an elastic member 33, a C-shaped collar 34, and a washer 35.

In the present embodiment, the roller brush holder 31 is provided with a middle through hole 312 and a mounting cavity 313 in the axial direction; the circumferential wall of the roll brush holder 31 is provided with a mounting groove 311. The mounting cavity 313 is connected with the bearing 32 in an embedded mode. The middle through hole 312 is matched with a through hole axially penetrating through the bearing 32, so that the rotating shaft 11 is sequentially connected with the bearing 32 and the middle through hole 312 in a penetrating manner; the bearing 32 is in micro clearance fit with the rotating shaft 11.

Referring to fig. 2 and 3, the elastic member 33 is made of a deformable and compressible material and is fixedly connected to the rolling brush holder 31. The elastic member 33 includes a deformable and compressible elastic body 331 and a fixing and mounting portion 332 disposed on a peripheral wall of the elastic body 331 and cooperating with the mounting groove 311. The fixed mounting part 332 is connected with the mounting groove 311 in a clamping manner, so that the elastic part 33 is fixedly connected with the rolling brush support 31. The elastic body 331 is in contact with or not in contact with one end of the rotating shaft 11 penetrating and sleeving the rolling brush support 31.

In the present embodiment, the elastic member 33 is preferably made of stainless steel, and has the advantages of thin wall, good elasticity, small occupied space, and no rust after immersion. It should be noted that, as will be understood by those skilled in the art, the elastic member 33 may be made of other metal materials or plastics, and is not limited to the above materials.

Referring to fig. 2, one end of the rotating shaft 11 is connected to the middle through hole 312 of the rolling brush bracket 31 in a penetrating manner, and the other end extends into the rolling brush body 1 and is tightly matched with the rolling brush body 1, so as to realize synchronous rotation. A clamping groove 111 is formed in one end, facing the direction of the elastic body 331, of the rotating shaft 11; the clamping groove 111 is clamped with the C-shaped clamping ring 34 arranged between the elastic piece 33 and the rolling brush support 31, so that the rolling brush support 31 is effectively prevented from being separated from one end of the rotating shaft 11.

Referring to fig. 3 and 4, the rolling brush driving hole 2 is matched with a rolling brush driving head on the cleaning head for driving the rolling brush body 1 to rotate.

The utility model provides a be used for with cleaning head complex round brush subassembly 100, set up in the round brush driving head 2 of the 1 one end of round brush body and the driving head cooperation of cleaning head, set up in the round brush positioning mechanism 3 of the 1 other end of round brush body realizes the accurate positioning function through mutually supporting between elastic component 33, round brush support 31 and the pivot 11, guarantees that round brush subassembly 100 assembles behind the cleaning head, and the height and the heart such as the both ends of the round brush body 1. Aiming at the problem that the size of the rolling brush body 1 is long, under the condition of ensuring the manufacturing precision, enough clearance is reserved in the axial direction of the rolling brush assembly 100, so that the rolling brush body 1 is not interfered when being installed in a cleaning head, and the axial clearance is compensated through the deformation of the elastic piece 33. The design of the rolling brush positioning mechanism 3 with the added elastic member 33 structure has the following advantages:

the rolling brush body 1 and the driving head of the cleaning head can be tightly matched, axial movement is avoided, radial run-out is reduced, the rolling brush assembly 100 runs more balance, vibration and noise are reduced, and the overall performance and the user satisfaction of the cleaning device provided with the rolling brush assembly 100 are improved.

The utility model provides a theory of operation for with cleaning head complex round brush subassembly 100 lies in:

the rolling brush driving head 2 arranged at one end of the rolling brush body 1 is matched with the rolling brush driving head of the cleaning head, and the rolling brush driving head and the cleaning head are matched to effectively transmit power through tooth or key meshing, so that the rolling brush body 1 is rotated; the rolling brush positioning mechanism 3 arranged at the other end of the rolling brush body 1 is matched with the mounting position of the cleaning head, so that the rolling brush assembly 100 is fixedly connected with the cleaning head. In the rolling brush positioning mechanism 3, the rolling brush body 1 is fixedly supported on the cleaning head through the rolling brush support 31, a bearing 32 is embedded in an installation cavity 313 of the rolling brush support 1 and is connected with a rotating shaft 11 on the rolling brush body 1 in a penetrating and sleeving manner and in micro-clearance fit, the rotating shaft 11 is tightly matched with the rolling brush body 1, and the axial lead of the rotating shaft 11 coincides with the axial lead of the rolling brush body, namely the rotating shaft 11 is concentric with the rolling brush body 1. The C-shaped retainer ring 34 arranged between the elastic piece 33 and the rolling brush support 31 is clamped with the clamping groove 111 on the rotating shaft 11, so that the rolling brush support 31 is effectively prevented from being separated from one end of the rotating shaft 11. The elastic member 33 is fixedly mounted on the roll brush holder 31 by the mutual engagement of the fixed mounting portion 332 and the mounting groove 311, whereby the elastic force generated by the elastic member 33 is transmitted to the roll brush body 1 through the roll brush holder 31 in the axial direction of the rotating shaft 11.

Referring to fig. 5, a cleaner with the rolling brush assembly according to a second embodiment of the present invention, which includes the rolling brush assembly 100 according to the above embodiment, is provided. This cleaning device, through utilizing above-mentioned round brush subassembly 100 for it has the light and the little advantage of noise of vibrations, can promote user's experience.

It is to be noted that the cleaning device may also be a floor washing machine or a floor sweeping robot, as will be appreciated by the person skilled in the art.

To sum up, the utility model provides a round brush subassembly and cleaning device who has this round brush subassembly. The rolling brush assembly comprises a rolling brush body, rolling brush driving holes and a rolling brush positioning mechanism, wherein the rolling brush driving holes and the rolling brush positioning mechanism are respectively arranged at two axial ends of the rolling brush body; a rotating shaft with one end connected with the rolling brush positioning mechanism in a penetrating and sleeving manner is arranged on the rolling brush body; the rolling brush positioning mechanism comprises a rolling brush support and an elastic piece which is fixedly connected to the rolling brush support in a deformable and compressible mode. Sufficient clearance is reserved in the axial to this round brush subassembly, guarantees that the round brush body does not interfere when packing into the cleaning head, and the axial clearance is compensated through the deformation of elastic component for can closely cooperate between the drive head of round brush body and cleaning head, avoid the axial float, and reduced the runout, so that the operation of round brush subassembly is more balanced, vibrations and noise have been reduced, and then improved the complete machine performance and the user satisfaction of the cleaning device who installs this round brush subassembly.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A round brush subassembly which characterized in that: the rolling brush assembly (100) comprises a rolling brush body (1), rolling brush driving holes (2) and a rolling brush positioning mechanism (3), wherein the rolling brush driving holes are respectively arranged at two axial ends of the rolling brush body (1); a rotating shaft (11) with one end connected with the rolling brush positioning mechanism (3) in a penetrating and sleeving manner is arranged on the rolling brush body (1); the rolling brush positioning mechanism (3) comprises a rolling brush support (31) and an elastic piece (33) which is fixedly connected to the rolling brush support (31) in a deformable and compressible mode.

2. The roller brush assembly of claim 1, wherein: the elastic piece (33) comprises an elastic body (331) capable of deforming and compressing and a fixed mounting part (332) arranged on the peripheral wall of the elastic body (331).

3. The roller brush assembly of claim 2, wherein: the peripheral wall of the rolling brush bracket (31) is provided with a mounting groove (311) matched with the fixed mounting part (332); the fixed mounting part (332) is connected with the mounting groove (311) in a clamping mode.

4. The roller brush assembly of claim 2, wherein: a middle through hole (312) is arranged in the axial direction of the rolling brush bracket (31); one end of the rotating shaft (11) is connected with a middle through hole (312) of the rolling brush support (31) in a penetrating and sleeving manner, and the other end of the rotating shaft extends into the rolling brush body (1) and is tightly matched with the rolling brush body (1).

5. The roller brush assembly of claim 4, wherein: the elastic body (331) is in butt joint with one end of the rotating shaft (11) which is sleeved on the rolling brush support (31) or is not in butt joint with the rotating shaft.

6. The roller brush assembly of claim 4, wherein: a clamping groove (111) is formed in one end, facing the direction of the elastic body (331), of the rotating shaft (11); the C-shaped clamping ring (34) arranged between the elastic piece (33) and the rolling brush support (31) is clamped with the clamping groove (111).

7. The roller brush assembly of claim 4, wherein: the axial of round brush support (31) still is provided with hollow installation cavity (313), installation cavity (313) inlay and are connected with bearing (32).

8. The roller brush assembly of claim 7, wherein: the middle through hole (312) is matched with a through hole which is axially penetrated by the bearing (32); the bearing (32) and the rotating shaft (11) are connected in a penetrating and sleeved mode and are in clearance fit.

9. The roller brush assembly of claim 1, wherein: the rolling brush driving hole (2) is matched with a rolling brush driving head on the cleaning head and used for driving the rolling brush body (1) to rotate.

10. A cleaning device with the rolling brush component is characterized in that: the cleaning device comprises a roller brush assembly (100) according to any one of claims 1 to 9.