CN211511650U

CN211511650U - Roller device

Info

Publication number: CN211511650U
Application number: CN201921754453.8U
Authority: CN
Inventors: 张磊; 何海军; 黄培群; 朱文丹
Original assignee: Weisi Robot Shenzhen Co ltd
Current assignee: Weisi Robot Shenzhen Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-09-18
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a roller device, which comprises a wheel carrier and a belt, wherein the wheel carrier comprises a first wheel hub and a second wheel hub, and the belt is fixed on the outer circumferential surface of the wheel carrier; the belt is provided with an elastic member assembly arranged along an inner surface of the belt for increasing a deformation space of the belt. The utility model discloses a roller device, gyro wheel and ground frictional force are big, when meetting the barrier, and the machine of sweeping the floor hinders the ability reinforce more.

Description

Roller device

Technical Field

The utility model belongs to intelligence domestic appliance field, in particular to roller device and machine of sweeping floor.

Background

The floor sweeper is one kind of intelligent household appliance and can complete floor cleaning automatically in room via certain artificial intelligence. Generally, the floor cleaning device adopts a brushing and vacuum mode to absorb and enter the sundries on the floor into the self dust collecting box so as to finish the floor cleaning function.

The sweeper generally runs on the ground through the roller device, when the roller device of the existing sweeper runs to a wet floor or a blanket, the friction force between the roller and the ground is not large enough, the phenomenon that the sweeper slips on the ground easily occurs, meanwhile, when an obstacle is encountered, the obstacle crossing capability is not enough, the service life is short, and the use requirement of a user cannot be met.

Disclosure of Invention

The utility model provides a gyro wheel device and use this kind of gyro wheel device's machine of sweeping floor, gyro wheel and ground friction are big, when meetting the barrier, hinder the ability reinforce more.

An embodiment of the utility model provides a roller device for sweeper, include:

a wheel carrier;

a belt fixed on an outer circumferential surface of the wheel frame; and

and the elastic component assembly is arranged on the inner surface of the belt along the radial direction of the belt and is used for increasing the deformation space of the belt.

An embodiment of the utility model also provides a sweeper, and this sweeper can use the roller device described in the last embodiment.

The utility model provides a gyro wheel device and use this kind of gyro wheel device's machine of sweeping floor has following beneficial effect:

1. the inner surface of the belt is provided with an elastic component assembly for increasing the deformation space of the belt, and the outer surface of the belt is convexly provided with a plurality of first convex teeth and a plurality of second convex teeth which extend and are arranged along the circumferential direction of the belt, so that the friction force of the belt is increased. The friction force between the roller and the ground is large, and the obstacle crossing capability is strong when the roller meets an obstacle.

2. The wheel hub and the wheel hub wrap the tire, and the roller device looks very beautiful.

Drawings

Fig. 1 is a schematic view of an embodiment of the roller device of the present invention.

Fig. 2 is a schematic cross-sectional view of an embodiment of the first hub of the present invention.

Figure 3 is a schematic cross-sectional view of one embodiment of the belt of the present invention.

Figure 4 is a schematic view of one orientation of one embodiment of the inventive belt.

Figure 5 is a schematic view of another orientation of an embodiment of the inventive belt.

Fig. 6 is a cross-sectional schematic view of an embodiment of a second hub of the present invention.

Fig. 7 is a schematic cross-sectional view of one embodiment of the first hub, belt, and second hub of the present invention mounted together.

Fig. 8 is a schematic cross-sectional view of an embodiment of the first hub, the second hub and the hub axle of the present invention mounted together.

Fig. 9 is a schematic view of one orientation of an embodiment of the present invention with the hub, tire, hubcap, and hub axle mounted together.

FIG. 10 is another schematic view of an embodiment of the present invention with the hub, tire, hub cap and hub axle mounted together.

Reference numerals:

100. a first hub; 101. a first hub body; 102. a first hub first baffle ring; 103. a first hub first boss; 104. a first hub recess; 105. a first hub second boss; 106. a first hub screw hole; 107. a first spigot.

200. A belt wheel; 201. a belt body; 202. a trench; 203. a first lobe; 204. a first support rib; 205. a support ring; 206. supporting the annular groove; 207. a second lobe; 208. a second support rib;

300. a second hub; 301. a second hub body; 302. a second hub first baffle ring; 303. a second hub first boss; 304. a second hub recess; 305. a second hub screw hole; 306. a second boss of the second hub; 307. a second spigot;

400. a screw;

500. a hub axle.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. 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 the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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 invention. 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.

Referring to fig. 1, in one embodiment of the present invention, a roller device includes a wheel frame including a first hub 100 and a second hub 300, and a belt 200 fixed on an outer circumferential surface of the wheel frame; the inner surface of the belt 200 is provided with an elastic member assembly for increasing a deformation space of the belt 200.

Referring to fig. 3, in an embodiment of the present invention, the wheel belt 200 includes a wheel belt body 201, the inner surface of the wheel belt body 201 is provided with a support ring 205 with a T-shaped cross section, the two sides of the support ring 205 are provided with a first support rib 204 and a second support rib 208 uniformly distributed along the circumference, the heights of the first support rib 204 and the second support rib 208 are equal, the first support rib 204 and the second support rib 208 are uniformly distributed on the circumference, the bottom surfaces of the first support rib 204 and the second support rib 208 are fixedly connected to the inner surface of the wheel belt body 201, and the side surfaces of the first support rib 204 and the second support rib 208 are fixedly connected to the side surfaces of the support ring 205.

In order to further enhance the elasticity of the roller device, a plurality of first teeth 203 and a plurality of second teeth 207 may be convexly arranged on the outer surface of the belt body 201, the first teeth 203 and the second teeth 207 are correspondingly arranged and are spaced to form the grooves 202, the heights of the valleys of the first teeth 203 and the second teeth 207 are equal and lower than the surface of the grooves 202, and the heights of the peaks of the first teeth 203 and the second teeth 207 are equal and higher than the surface of the grooves 202.

With further reference to fig. 4 and 5, the crests of first tooth 203 correspond to the troughs of second tooth 207, with the troughs of first tooth 203 corresponding to the crests of second tooth 207. And the crest of the first tooth 203 is located on the same radial line as the first support rib 204, and the crest of the second tooth 207 is located on the same radial line as the second support rib 208.

The first support rib 204 and the second support rib 208 increase the elasticity of the whole roller device, the obstacle crossing capability of the roller device is improved, and the friction performance of the roller device is further enhanced by the first convex tooth 203 and the second convex tooth 207.

Referring to fig. 1-2, 6-8, in an embodiment of the present invention, the wheel frame may include a first hub 100 and a second hub 300, the first hub 100 includes a first hub body 101, the first hub body 101 is provided with a first hub groove 104, a first hub first boss 103 and a first hub second boss 105, the first hub second boss 105 is provided with a first spigot 107, the second hub 300 is provided with a second hub body 301, the second hub body 301 is provided with a second hub groove 304, a second hub first boss 303 and a second hub second boss 306, the second hub second boss 306 is provided with a second spigot 307, the supporting ring 205 on the wheel belt 200 is respectively engaged with the first hub first boss 103 and the first hub second boss 105 on the first hub 100 and engaged with the second hub groove 304, the second hub first boss 303 and the second hub second boss 306 on the second hub 300, the first seam allowance 107 and the second seam allowance 307 are matched to realize the mutual clamping of the first hub 100 and the second hub 300, and the belt 200 is clamped in the middle.

The first hub body 101 is provided with a first hub first retaining ring 102 and a first hub second retaining ring 107, the second hub body is provided with a second hub first retaining ring 302 and a second hub second retaining ring 308, and after the first hub 100 and the second hub 300 are mutually clamped, the first hub first retaining ring 102 and the second hub first retaining ring 302 cover the first supporting rib 204 and the second supporting rib 208, so that the whole device is very attractive.

After the first hub 100 and the second hub 300 are mutually engaged, the first hub 100 and the second hub 300 are fixed together by the plurality of screws 400 through the first hub screw holes 106 and the second hub screw holes 305; there is an axle hole in the middle of the second hub 300, and the hub axle 500 is installed in the axle hole, and both are fixed by clamping, so that the rotation of the hub axle 500 can drive the whole roller device to rotate.

Fig. 9 is a schematic view of one orientation of an embodiment of the present invention with the hub, tire, hubcap, and hub axle mounted together, as viewed from the orientation of the first hub 100. Fig. 10 is a schematic view of another orientation of an embodiment of the present invention with the hub, tire, hubcap, and hub axle mounted together, as viewed from the orientation of the second hub 300. When the roller device travels, the deformation space of the inner ring rib position of the wheel belt 200 and the outer ring tire thread is large, compared with the existing wheel in the market, the deformation space is large, the friction force can be increased, the obstacle crossing capability of the arc-surface obstacle is improved, and the service life is prolonged.

In an embodiment of the present invention, there may be a sweeper, wherein the roller device described in the above embodiment is disposed in the sweeper.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a roller device for the machine of sweeping the floor, its characterized in that includes:

a wheel carrier;

a belt fixed on an outer circumferential surface of the wheel frame; and

an elastic member assembly disposed on an inner surface of the belt for increasing a deformation space of the belt.

2. The roller device according to claim 1, wherein the inner surface of the belt has a support ring with a T-shaped cross section, the elastic member assembly is a plurality of support ribs disposed on both sides of the support ring, the bottom surfaces of the support ribs are fixedly connected to the inner surface of the belt, and the side surfaces of the support ribs are fixedly connected to the side surfaces of the support ring.

3. The roller device according to claim 2, wherein the support ribs include a plurality of first support ribs and a plurality of second support ribs disposed on both sides of the support ring, the first support ribs and the second support ribs have the same height, and the first support ribs and the second support ribs are uniformly distributed in a staggered manner.

4. The roller device of claim 3, wherein the outer surface of the belt has a plurality of first and second teeth extending circumferentially thereon, the first and second teeth being disposed in a corresponding relationship and spaced apart to form a groove, the valleys of the first and second teeth being equal in height and lower than the surface of the groove, and the peaks of the first and second teeth being equal in height and higher than the surface of the groove.

5. The roller device of claim 4, wherein the peaks of the first teeth correspond to the valleys of the second teeth, the valleys of the first teeth being opposite the peaks of the second teeth.

6. The roller device according to claim 5, wherein the crest of the first tooth is located on the same radial line as the first support rib, and the crest of the second tooth is located on the same radial line as the second support rib.

7. The roller device according to claim 2, wherein the wheel frame includes a first hub having a first hub groove and a second hub having a second hub groove, the support ring being engaged with the first and second hub grooves, the first and second hubs sandwiching the belt.

8. The roller device according to claim 7, wherein the first hub is provided with a first spigot and the second hub is provided with a second spigot, the first spigot and the second spigot cooperating to achieve mutual engagement of the first hub and the second hub.

9. The roller device according to claim 7 or 8, wherein a first retaining ring is provided on the first hub, a second retaining ring is provided on the second hub, and the first retaining ring and the second retaining ring shield the support rib.