CN209789748U - Multi-bearing rolling brush assembly and cleaning robot - Google Patents

Abstract

The utility model discloses a multi-bearing rolling brush assembly and a cleaning robot, wherein the rolling brush assembly comprises a rolling brush tooth box working box and a power box, and the rolling brush assembly also comprises a rolling brush tooth box fixing shaft, a first dustproof part, a second dustproof part and a third dustproof part which are assembled on the cover surface of the rolling brush tooth box in an interference manner; a wheel type structure is assembled between the rolling brush tooth box working box and the power box, the wheel type structure is sleeved in an assembling groove position at one end of the rolling brush shaft, a rotating ring of the first dustproof component and a rotating ring of the second dustproof component are respectively in interference contact with corresponding side surfaces of the wheel type structure, a fixing ring of the first dustproof component is sleeved on a fixing shaft of the rolling brush tooth box, and a fixing ring of the second dustproof component is fixed on a cover surface of the rolling brush tooth box working box; the rotating ring of the third dust prevention component is assembled at the other end of the rolling brush shaft, and the fixing ring of the third dust prevention component is fixed on the cover surface of the rolling brush gearbox when the rolling brush shaft is assembled into the rolling brush gearbox, so that the whole rolling brush assembly runs stably and quietly.

Description

Multi-bearing rolling brush assembly and cleaning robot

Technical Field

The utility model relates to a cleaning device technical field especially relates to a round brush subassembly and cleaning machines people of multiaxis bearing.

Background

at present, along with the popularization of intelligent household appliances, the intelligent sweeper has been moved to thousands of households. The current intelligence machine of sweeping floor roll brush tooth case structure generally is: the round brush motor tooth passes through belt transmission and drives the synchronizing wheel of fixing on ball bearing and rotates, and the synchronizing wheel directly drives the round brush axle rotation of planting hair, and round brush axle friction round brush tooth case rubber spare can appear often, and the round brush axle is beated great, and the hair winding, dust invade a series of problems such as round brush tooth case through the gap, lead to round brush tooth case subassembly electric current too big, and the operation is unusual, and serious person can lead to the unable use of machine of sweeping the floor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defect, the utility model provides a following technical scheme:

The utility model provides a round brush subassembly of multiaxis bearing, place a round brush tooth case in this round brush subassembly in, this round brush subassembly is including the round brush tooth case work box and the power box that are used for assembling the round brush axle, the round brush subassembly still includes: the rolling brush tooth box fixing shaft, the first dustproof part, the second dustproof part and the third dustproof part are assembled on the cover surface of the rolling brush tooth box in an interference fit mode; a wheel type structure is assembled between the rolling brush tooth box working box and the power box, the wheel type structure is sleeved in an assembling groove position at one end of the rolling brush shaft, a rotating ring of the first dustproof component and a rotating ring of the second dustproof component are respectively in interference contact with corresponding side surfaces of the wheel type structure, a fixing ring of the first dustproof component is sleeved on a fixing shaft of the rolling brush tooth box, and a fixing ring of the second dustproof component is fixed in the rolling brush tooth box working box; a rotating ring of the third dust prevention component is assembled on a rotating shaft at the other end of the rolling brush shaft, and a fixed ring of the third dust prevention component is fixed on a rolling brush cover surface of the rolling brush tooth box when the rolling brush shaft is assembled into the rolling brush tooth box; wherein, first dustproof part, second dustproof part and third dustproof part all include rotation circle and retainer plate. Compared with the prior art, a plurality of dustproof parts with the interference fit of round brush subassembly avoids relevant wheeled structural component to rub because of the assembly slope round brush tooth case work box produces the noise, and then avoids rubbing too big and arouse that the electric current is unusual. The first dust-proof component, the second dust-proof component and the third dust-proof component all comprise a rotating ring and a fixed ring.

Furthermore, the first dustproof component is a first ball bearing, the rotating ring of the first dustproof component is an outer ring of the first ball bearing, and the fixed ring of the first dustproof component is an inner ring of the first ball bearing; the second dustproof part is a second ball bearing, a rotating ring of the second dustproof part is an inner ring of the second ball bearing, and a fixed ring of the second dustproof part is an outer ring of the second ball bearing; the third dust prevention part is a third ball bearing, a rotating ring of the third dust prevention part is an inner ring of the third ball bearing, and a fixed ring of the third dust prevention part is an outer ring of the third ball bearing; the assembly structure is as follows: the inner ring of the first ball bearing is assembled on the fixed shaft of the rolling brush tooth box in an interference manner, and the outer ring of the first ball bearing is in interference contact with the inner side surface of the rear end of the wheel type structure; the outer ring of the second ball bearing is fixed on the rolling brush tooth box working box, and the inner ring of the second ball bearing is in interference contact with the side surface of the front end protruding part of the wheel type structure; one end of the rolling brush shaft is assembled on the corresponding assembling groove position of the wheel type structure, the other end of the rolling brush shaft is assembled at one end of a rotating shaft, and the inner ring of a third ball bearing is sleeved at the other end of the rotating shaft; and the outer ring of the third ball bearing is set to be in a fixed state when the rolling brush shaft is assembled into the rolling brush tooth box, wherein the fixed shaft of the rolling brush tooth box, the first ball bearing, the second ball bearing, the third ball bearing, the rolling brush shaft, the wheel type structure and the axis of the rotating shaft are on the same straight line. Compared with the prior art, the ball bearing is used as a dustproof part, so that the ball bearing, the wheel type structure, the rolling brush shaft and the rotating shaft at each part can rotate concentrically, the wheel type assembly is prevented from rubbing the rolling brush tooth box due to assembly inclination, noise is avoided, meanwhile, due to the fact that the ball bearing is sealed, garbage such as hair and dust is prevented from entering the rolling brush tooth box through gaps, and the whole rolling brush assembly can run stably and quietly.

Further, the wheel type structure is a synchronizing wheel, an outer ring of the first ball bearing is in interference contact with an inner side face of the rear end of the synchronizing wheel, and a side face of a protruding part of the front end of the synchronizing wheel is in interference contact with an inner ring of the second ball bearing. The running stability of the synchronizing wheel is improved, the cover surface of the rolling brush tooth box is prevented from being rubbed by the synchronizing wheel due to the assembly problem, and the influence of abnormal noise is reduced.

Furthermore, the power output shaft of the power box is provided with rolling brush motor teeth, and the synchronizing wheel and the rolling brush motor teeth are respectively sleeved at two ends of a belt. The synchronous wheel, the rolling brush motor teeth and the belt are directly meshed to realize power transmission.

Further, the outer ring cover of third ball bearing is equipped with bearing rubber sleeve, works as the round brush axle assembly is gone into when the round brush tooth case, bearing rubber sleeve with the round brush capping interference fit of round brush tooth case work box, the shutoff effectively the round brush rotation axis reaches the clearance between the round brush axle.

further, the outer ring cover of third ball bearing is equipped with the bearing rubber sleeve, works as the round brush axle assembly is gone into during the round brush tooth case, the bearing rubber sleeve with the capping interference fit of round brush tooth case work box. Or the other end of the rolling brush shaft is provided with a bearing rubber sleeve at a corresponding mounting groove position in the rolling brush tooth box working box, and when the rolling brush shaft is assembled into the rolling brush tooth box, the outer ring of the third ball bearing is pre-pressed on the bearing rubber sleeve. And the third ball bearing is prevented from being disjointed to rub the box body in the process of rotating around the rolling brush rotating shaft.

A cleaning robot is equipped with the rolling brush assembly. Compared with the prior art, the technical scheme has the following beneficial effects: due to the use of the ball bearing, the noise generated by assembling the inclined friction rubber piece on the synchronous wheel and the rolling brush tooth box is avoided, and due to the sealing of the ball bearing, garbage such as hair, dust and the like is prevented from entering the rolling brush tooth box through gaps and winding the rolling brush shaft to cause abnormal sound, so that the rolling brush component runs stably and quietly.

Drawings

Fig. 1 is a side view of a rolling brush dental box provided in an embodiment of the present invention.

Fig. 2 is a sectional view of section a-a of fig. 1.

reference numerals:

101: gear of the roller brush motor; 102: brushing the cover surface of the tooth box in a rolling manner; 103: a synchronizing wheel; 104: a first ball bearing; 105: a fixed shaft of the rolling brush tooth box; 106: a second ball bearing; 107: a roller brush shaft; 108: rolling and brushing the tooth box working box; 109: a rolling brush rotating shaft; 110: a third ball bearing; 111: and a bearing rubber sleeve.

Detailed Description

The technical solution in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings in the embodiments of the present invention.

Because a large amount of flexible linear objects such as hairs and strings are often arranged on the ground in family life, when a common cleaning robot is used for sweeping the floor, the flexible linear objects are often wound on the rolling brush along with the rotation of the rolling brush, and because the rolling brush and the power output shaft are coaxially fixed at the end part of the power output shaft, the flexible linear objects on the rolling brush are also wound on the power output shaft along with the rotation of the rolling brush, a gap exists between the power output shaft and a power output shaft mounting hole, the flexible linear objects can enter the power box along with the rotation of the power output shaft and are wound on a gear connected with the power output shaft in the power box in the rotation process of the power output shaft, and when the flexible linear objects are wound at the matching part of the power output shaft and the gear, the flexible linear objects can influence the matching part of the power output shaft and the gear, the work efficiency of the rolling brush transmission device is reduced, and even the rolling brush transmission device is blocked.

Referring to fig. 1 and 2, an embodiment of the present invention provides a multi-bearing roller brush assembly, which is assembled inside a roller brush gear box, and includes a roller brush gear box working box and a power box for assembling a roller brush shaft, and further includes a roller brush gear box fixing shaft, a first dust-proof component, a second dust-proof component and a third dust-proof component, which are assembled on a cover surface of the roller brush gear box in an interference manner; wherein, first dustproof part, second dustproof part and third dustproof part all include rotation circle and retainer plate.

The embodiment of the utility model provides a down, assemble a wheeled structure between the power output shaft of the round brush axle of round brush tooth case work box and power box, this wheeled structure cover is established in the assembly trench of the one end of round brush axle 107, be used for assisting first dustproof part and the coaxial rotation of second dustproof part, specifically do, the circle of rotation of first dustproof part and second dustproof part corresponds side interference contact with this wheeled structure respectively, the retainer plate cover of first dustproof part is established on round brush tooth case fixed axle 105, the retainer plate of second dustproof part is fixed on the capping of round brush tooth case work box 108, thereby keep with the capping relatively static of round brush tooth case. The rotating ring of the third dust-proof member is fitted on the rotating shaft position of the other end of the rolling brush shaft 107, and the fixed ring of the third dust-proof member is fixed on the rolling brush cover surface of the rolling brush tooth case when the rolling brush shaft 107 is fitted into the rolling brush tooth case, thereby remaining stationary relative to the cover surface of the rolling brush tooth case. Compared with the prior art, a plurality of dustproof parts with the interference fit of round brush subassembly avoids relevant wheeled structural component to rub because of the assembly slope round brush tooth case work box produces the noise, and then avoids rubbing too big and arouse that the electric current is unusual.

as shown in fig. 1, the first dust-proof component is a first ball bearing 104, the rotating ring of the first dust-proof component is the outer ring of the first ball bearing 104, and the fixed ring of the first dust-proof component is the inner ring of the first ball bearing 104; the second dustproof component is a second ball bearing 106, the rotating ring of the second dustproof component is the inner ring of the second ball bearing 106, and the fixed ring of the second dustproof component is the outer ring of the second ball bearing 106; the third dust prevention part is a third ball bearing 110, a rotating ring of the third dust prevention part is an inner ring of the third ball bearing 110, and a fixed ring of the third dust prevention part is an outer ring of the third ball bearing 110. The assembly structure of the rolling brush component is as follows: the inner ring of the first ball bearing 104 is assembled on the rolling brush tooth box fixing shaft 105 in an interference mode, the inner ring of the first ball bearing 104 is fixed, the outer ring of the first ball bearing 104 is in interference contact with the inner side face of the rear end of the wheel type structure, and the outer ring of the first ball bearing 104 can concentrically rotate around the rolling brush tooth box fixing shaft 105; the outer ring of the second ball bearing 106 is fixed on the rolling brush tooth box working box 108 and is kept still, the inner ring of the second ball bearing 106 is in interference contact with the side surface of the front end protruding part of the wheel type structure, the wheel type structure rotates along with the second ball bearing 106, and the inner ring of the second ball bearing 106 rotates around the center of the circle. The wheel-type structure is sleeved on an assembling groove corresponding to one end of the rolling brush shaft 107, the other end of the rolling brush shaft 107 is assembled at one end of a rotating shaft, the inner ring of the third ball bearing 110 is sleeved at the other end of the rotating shaft, so that the rolling brush shaft 107 can rotate coaxially with the inner ring of the third ball bearing 110 when being assembled into the rolling brush gearbox working box 108, and the outer ring of the third ball bearing 110 is pre-pressed on the cover surface of the rolling brush gearbox working box 108, so that the outer ring of the third ball bearing 110 is fixed, wherein the rolling brush gearbox fixing shaft 105, the first ball bearing 104, the second ball bearing 106, the third ball bearing 110, the rolling brush shaft 107, the wheel-type structure and the shaft center of the rotating shaft are on the same straight line, so that the first ball bearing 104, the second ball bearing 106, the third ball bearing 110, the rolling brush shaft 107, the wheel-type structure and the shaft center are on the same straight line, the third ball bearing 110, the wheel structure, the rotation shaft and the rolling brush shaft 107 rotate coaxially. Compared with the prior art, the ball bearing is used as a dustproof part, so that the ball bearing, the wheel type structure, the rolling brush shaft and the rotating shaft at each part can rotate concentrically, the wheel type assembly is prevented from rubbing the rolling brush tooth box due to assembly inclination, noise is avoided, meanwhile, due to the fact that the ball bearing is sealed, garbage such as hair and dust is prevented from entering the rolling brush tooth box through gaps, and the whole rolling brush assembly can run stably and quietly.

preferably, as shown in fig. 2, the wheel structure is a synchronizing wheel 103, an outer ring of the first ball bearing 104 is in interference contact with an inner side surface of a rear end of the synchronizing wheel 103, and an outer ring of the first ball bearing 104 is used as a rotating ring and concentrically rotates along with the synchronizing wheel 103; meanwhile, the side surface of the front end convex part of the synchronizing wheel 103 is in interference contact with the inner ring of the second ball bearing 106, and the inner ring of the second ball bearing 106 is used as a rotating ring and rotates concentrically with the synchronizing wheel 103. When the power output shaft of the power box transmits power to the synchronous wheel 103, the inner ring of the second ball bearing 106 limits the synchronous wheel 103 to only perform coaxial operation due to the interference fit between the synchronous wheel 103 and the second ball bearing 106. Therefore, the wheel type structure assembly method disclosed by the embodiment of the invention improves the running stability of the wheel type structure, avoids the synchronous wheel 103 from rubbing the cover surface 102 of the rolling brush tooth box due to assembly problems, and reduces the influence of abnormal noise.

Preferably, as shown in fig. 2, a power output shaft of the power box is provided with rolling brush motor teeth 101, and the synchronizing wheel 103 and the rolling brush motor teeth 101 are respectively sleeved at two ends of a belt. The synchronous wheel 103, the rolling brush motor teeth 101 and the belt are directly meshed to realize power transmission. The belt is respectively matched with the rolling brush motor teeth 101 and the power output shaft, a motor arranged in the power box is transmitted to the belt through the rolling brush motor teeth 101, then the synchronizing wheel 103 is driven to rotate, the outer ring of the first ball bearing 104 and the inner ring of the second ball bearing 106 which are in interference contact with the side face of the synchronizing wheel 103 are driven to coaxially rotate, the outer ring of the second ball bearing 106 is kept fixed on the cover face of the rolling brush gearbox working box 108, and the noise caused by abrasion of a box body is avoided. Because the bottom of the rolling brush tooth box working box 108 is provided with an opening, after the rolling brush is assembled into the rolling brush tooth box working box 108, the brush hair of the rolling brush extends out of the opening at the lower part of the rolling brush tooth box working box 108 and is in contact with the ground. When the outer ring of the first ball bearing 104 and the inner ring of the second ball bearing 106 rotate coaxially around the synchronizing wheel 103, the rolling brush is driven to rotate, so that the garbage on the ground is taken away. Of course, as will be understood by those skilled in the art, a transmission gear and a gear can be mounted on the power output shaft of the power box to directly mesh with each other to realize power transmission.

Preferably, as shown in fig. 2, the rotating shaft is a rolling brush rotating shaft 109, one end of the rolling brush rotating shaft 109 is inserted into the inside of the other end of the rolling brush shaft 107, and an inner ring of the third ball bearing 110 is sleeved on an unplugged part on the other end of the rolling brush rotating shaft 109, so that the third ball bearing 110 is fittingly sleeved on one end surface of the rolling brush shaft 107, thereby effectively blocking a gap between the rolling brush rotating shaft 109 and the rolling brush shaft 107 and preventing a hair line of the rolling brush gearbox working box 108 from winding on the end surface of the rolling brush shaft 107.

Preferably, as shown in fig. 2, an outer race of the third ball bearing 110 is provided with a bearing rubber sleeve 111, and when the rolling brush shaft 107 is fitted into the rolling brush gear box, the bearing rubber sleeve 111 is in interference fit with a rolling brush cover surface of the rolling brush gear box work box 108. Or, a bearing rubber sleeve 111 is assembled at the other end of the rolling brush shaft 107 in a corresponding installation slot in the rolling brush tooth box working box 108, when the rolling brush shaft 107 is assembled into the rolling brush tooth box, an outer ring of the third ball bearing 110 is pre-pressed on the bearing rubber sleeve 111, so that the outer ring of the third ball bearing 110 is stationary, and an inner ring of the third ball bearing 110 can rotate around the rolling brush shaft 107, and after the rolling brush assembly is assembled, the first ball bearing 104, the second ball bearing 106, the third ball bearing 110, the rolling brush shaft 107, the wheel structure and the rotating shaft can be ensured to rotate concentrically, so that the third ball bearing 110 is prevented from being disjointed and rubbing against a box body in the process of rotating around the rolling brush rotating shaft 109.

the embodiment of the utility model provides a still provide a cleaning machines people, be equipped with aforementioned round brush subassembly. Compared with the prior art, after the rolling brush shaft 107 is assembled in the rolling brush tooth box, due to the use of a plurality of ball bearings, the noise generated by the synchronous wheel 103 due to the assembly of the inclined friction rubber piece in the rolling brush tooth box is avoided. Since the ball bearings fitted to both end surfaces of the roller brush shaft 107 are sealed, it is prevented that garbage such as hair, dust, etc. enters the roller brush box through a gap and winds around the roller brush shaft 107, abnormal noise is prevented, and the operation of the roller brush assembly is kept in a stable and quiet state. Since the cleaning robot includes all the contents of the rolling brush assembly provided in the foregoing embodiments, the same contents are not described herein again.

It should be noted that, in the embodiment of the present invention, the rolling brush assembly can be assembled on a floor sweeping robot, a dust collector, a waxing machine or a floor mopping machine. In the embodiment of the present disclosure, the rolling brush assembly may be any device in which the working components need to be rotated, and the rolling brush tooth box working box 108 and the power box for assembling the rolling brush shaft 107 are separately disposed in two separate spaces. All the above optional technical solutions may be combined arbitrarily to form the optional embodiments of the present disclosure, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (8)

1. The utility model provides a round brush subassembly of multiaxis bearing, this round brush subassembly is placed in a round brush tooth case in, and this round brush subassembly is including round brush tooth case work box (108) and the power box that is used for assembling round brush axle (107), its characterized in that, the round brush subassembly still includes: a rolling brush tooth box fixing shaft (105), a first dustproof component, a second dustproof component and a third dustproof component which are assembled on the cover surface (102) of the rolling brush tooth box in an interference fit mode;

a wheel type structure is assembled between a rolling brush tooth box working box (108) and a power box, the wheel type structure is sleeved in an assembling groove at one end of a rolling brush shaft (107), a rotating ring of a first dustproof component and a rotating ring of a second dustproof component are in interference contact with corresponding side surfaces of the wheel type structure respectively, a fixed ring of the first dustproof component is sleeved on a rolling brush tooth box fixed shaft (105), and a fixed ring of the second dustproof component is fixed in the rolling brush tooth box working box (108);

A rotating ring of a third dust prevention component is assembled on a rotating shaft position at the other end of the rolling brush shaft (107), and a fixed ring of the third dust prevention component is fixed on a rolling brush cover surface of the rolling brush tooth box when the rolling brush shaft (107) is assembled into the rolling brush tooth box;

Wherein, first dustproof part, second dustproof part and third dustproof part all include rotation circle and retainer plate.

2. The round brush assembly according to claim 1, characterized in that the first dust-proof member is a first ball bearing (104), the rotating ring of the first dust-proof member is an outer ring of the first ball bearing (104), and the fixed ring of the first dust-proof member is an inner ring of the first ball bearing (104);

The second dustproof component is a second ball bearing (106), a rotating ring of the second dustproof component is an inner ring of the second ball bearing (106), and a fixed ring of the second dustproof component is an outer ring of the second ball bearing (106);

The third dust prevention part is a third ball bearing (110), a rotating ring of the third dust prevention part is an inner ring of the third ball bearing (110), and a fixed ring of the third dust prevention part is an outer ring of the third ball bearing (110);

The assembly structure is as follows: the inner ring of the first ball bearing (104) is assembled on the rolling brush tooth box fixing shaft (105) in an interference manner, and the outer ring of the first ball bearing (104) is in interference contact with the inner side surface of the rear end of the wheel type structure; the outer ring of a second ball bearing (106) is fixed on the rolling brush tooth box working box (108), and the inner ring of the second ball bearing (106) is in interference contact with the side surface of the front end protruding part of the wheel type structure; one end of the rolling brush shaft (107) is assembled on the corresponding assembling groove position of the wheel type structure, the other end of the rolling brush shaft (107) is assembled at one end of a rotating shaft, and the inner ring of the third ball bearing (110) is sleeved at the other end of the rotating shaft; and the outer ring of the third ball bearing (110) is set to be in a fixed state when the rolling brush shaft (107) is assembled into the rolling brush tooth box, wherein the fixed shaft (105) of the rolling brush tooth box, the first ball bearing (104), the second ball bearing (106), the third ball bearing (110), the rolling brush shaft (107), the wheel structure and the axis of the rotating shaft are on the same straight line.

3. The rolling brush assembly according to claim 2, wherein the wheel structure is a synchronizing wheel (103), the outer ring of the first ball bearing (104) is in interference contact with the inner side surface of the rear end of the synchronizing wheel (103), and the side surface of the protruding part of the front end of the synchronizing wheel (103) is in interference contact with the inner ring of the second ball bearing (106).

4. The round brush assembly according to claim 3, characterized in that the power output shaft of the power box is provided with round brush motor teeth (101), and the synchronous wheel (103) and the round brush motor teeth (101) are respectively sleeved at two ends of a belt.

5. the roller brush assembly according to claim 2, wherein the rotating shaft is a roller brush rotating shaft (109), one end of the roller brush rotating shaft (109) is inserted into the inside of the other end of the roller brush shaft (107), and the inner ring of the third ball bearing (110) is fitted over the non-inserted portion on the other end of the roller brush rotating shaft (109).

6. The rolling brush assembly according to claim 5, characterized in that the outer race of the third ball bearing (110) is sleeved with a bearing rubber sleeve (111), and when the rolling brush shaft (107) is assembled into the rolling brush tooth box, the bearing rubber sleeve (111) is in interference fit with the rolling brush cover surface of the rolling brush tooth box working box (108).

7. The rolling brush assembly according to claim 5, wherein the other end of the rolling brush shaft (107) is fitted with a bearing rubber bush (111) at a corresponding mounting groove in the rolling brush tooth box work box (108), and when the rolling brush shaft (107) is fitted into the rolling brush tooth box, the outer race of the third ball bearing (110) is pre-pressed against the bearing rubber bush (111).

8. A cleaning robot, characterized in that it is equipped with a brush roll assembly according to any one of claims 1 to 7.