CN210149075U

CN210149075U - Omnidirectional wheel

Info

Publication number: CN210149075U
Application number: CN201921177813.2U
Authority: CN
Inventors: 杨少轩
Original assignee: Shantou Yier Le Toy Co
Current assignee: Shantou Yier Le Toy Co
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-03-17
Anticipated expiration: 2029-07-24

Abstract

The utility model relates to an omnidirectional wheel, the omnidirectional wheel include the wheel shell and install in a plurality of rolling subassemblies of wheel shell border, the axis of rolling subassembly inclines certain angle theta for the horizontal direction, each rolling subassembly protrusion is in the wheel face of wheel shell, the rolling subassembly include main shaft and at least one gyro wheel, the gyro wheel rotates to cup joint on the main shaft; and a sliding sleeve assembly is arranged between the main shaft and the roller. An omni-directional wheel, have the slip cap subassembly, the rotation of gyro wheel is more smooth and easy, level and smooth, reduces the friction between rolling subassembly and the main shaft, accomplishes individual character actions such as sideslip, drift more easily.

Description

Omnidirectional wheel

Technical Field

The utility model belongs to the technical field of the toy and specifically relates to an omniwheel.

Background

The children toy car can enable children to increase knowledge and increase interestingness. Although the existing toy vehicles in the market are various in types and shapes, the main structure of the toy vehicles comprises a vehicle body, a vehicle disc, wheels and a driving mechanism, the toy vehicles have the same effect as real vehicles, and the wheel structures and the functions of the existing toy vehicles are various in order to improve the attractiveness of products. Application number 201420324826.9 discloses an omniwheel that is very nimble in the motion process, can realize the effect of omnidirection motion well, and its roller is the hollow circular cylinder structure that both ends are little, the middle is big, and direct mount is epaxial, and the rotation of roller is not smooth enough, influences the individual function of omniwheel.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the problem that exists among the above-mentioned, provide an omniwheel, have the slip cap subassembly, the rotation of gyro wheel is more smooth and easy, level and smooth, reduces the friction between rolling subassembly and the main shaft, accomplishes individual character actions such as sideslip, drift more easily.

The utility model provides a technical scheme that its technical problem adopted is: an omnidirectional wheel comprises a wheel shell and a plurality of rolling assemblies arranged on the peripheral edge of the wheel shell, wherein the axes of the rolling assemblies are inclined at a certain angle theta relative to the horizontal direction, each rolling assembly protrudes out of the wheel surface of the wheel shell, each rolling assembly comprises a main shaft and at least one roller, and the rollers are rotatably sleeved on the main shafts; and a sliding sleeve assembly is arranged between the main shaft and the roller.

Preferably, the sliding sleeve assembly comprises a sleeve and a spacing ring, the sleeve corresponds to the roller, the sleeve is respectively sleeved on the inner ring of the roller, the main shaft penetrates through a middle shaft hole of the sleeve, and the spacing ring is arranged between the adjacent rollers.

Preferably, the wheel shell comprises a first wheel shell and a second wheel shell which are respectively positioned on the left side and the right side, the first wheel shell and the second wheel shell are respectively provided with shaft seats for installing the main shaft in a surrounding manner, the shaft seats of the first wheel shell and the second wheel shell respectively correspond in a staggered manner, two sides of the main shaft are respectively installed in the shaft seats, and the main shaft inclines for a certain angle theta relative to the horizontal direction.

Preferably, the two side end parts of the main shaft are respectively provided with a disc shaft sleeve, the outer end of the disc shaft sleeve is of a cylindrical structure sleeved in the shaft seat, and the inner side of the disc shaft sleeve is of a disc structure.

Preferably, the middle parts of the first wheel shell and the second wheel shell are respectively provided with an inner concave surface, and the inner concave surfaces of the first wheel shell and the second wheel shell are respectively attached.

Preferably, the circumferential edges of the concave surfaces of the first wheel shell and the second wheel shell are respectively provided with a plurality of screw hole columns and a plurality of counter sink bases, the screw hole columns correspond to the counter sink bases, and the screw hole columns are inserted into the counter sink bases.

Preferably, the lateral edge of the screw hole column is provided with a reinforcing rib, and the reinforcing rib extends towards the middle part and is connected with the shaft center.

Preferably, the number of the rollers is two.

Preferably, the generatrix of the roller forms an angle β with the axis of the spindle.

Preferably, the angle β is 3-10 degrees.

Preferably, the angle θ is 30 to 60 degrees.

The utility model has the advantages that: an idler wheel is arranged on a main shaft through a sliding sleeve assembly, so that the idler wheel can rotate more smoothly and smoothly, the friction between the rolling assembly and the main shaft is reduced, and the individual actions such as sideslip and drifting are easier to complete by the omni wheel; and have very strong sense of design, adopt the rolling subassembly of wheel shell with the slope for the omniwheel is when ground rotation, and the frictional force direction that ground gave the omniwheel is not straight upwards or downwards, but has certain inclination, installs four omniwheels on the toy, and the inclination of its rolling subassembly can realize that the toy is whole under the condition of not changing the direction, directly moves to the left, moves to the right, and drift, makes the toy in the operation, has the diversification, and the object for appreciation nature is strong.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of an omni wheel according to the present invention;

fig. 2 is a schematic front view of an omni wheel according to the present invention;

fig. 3 is a schematic view of the tilting angle structure of the rolling assembly of the omni wheel according to the present invention;

fig. 4 is a schematic view of a split structure of an omni wheel according to the present invention;

fig. 5 is a schematic structural view of a first wheel housing of an omni wheel according to the present invention;

fig. 6 is a schematic cross-sectional view of a second wheel housing of an omni wheel according to the present invention;

fig. 7 is a schematic view of a split structure of a rolling assembly of an omni wheel according to the present invention;

fig. 8 is a schematic view of the structure of the roller inclination angle of the omni-directional wheel according to the present invention.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Examples

As shown in fig. 1-4, the omni wheel includes a wheel housing 1 and a plurality of rolling assemblies mounted on the circumferential edge of the wheel housing, the axes of the rolling assemblies are inclined at a certain angle θ with respect to the horizontal direction, each rolling assembly protrudes from the wheel surface of the wheel housing 1, the rolling assemblies include a main shaft 2 and at least one roller 3, and the roller 3 is rotatably sleeved on the main shaft 2; a sliding sleeve assembly is arranged between the main shaft 2 and the roller 3.

The roller 3 is arranged on the main shaft 2 through the sliding sleeve component, so that the roller 3 can rotate more smoothly and smoothly, the friction between the rolling component and the main shaft is reduced, and the omnidirectional wheel can more easily finish individual actions such as sideslip and drifting.

Wherein the inclination angle theta is 45 degrees.

The sliding sleeve assembly comprises a sleeve 4 and a spacing ring 5, the sleeve 4 corresponds to the roller 3, the sleeve 4 is respectively sleeved on the inner ring of the roller 3, the main shaft 2 penetrates through a middle shaft hole of the sleeve 5, and the spacing ring 5 is arranged between the adjacent rollers 3.

The sliding sleeve component is made of hard plastic materials, such as PVC, PE, PP, PC, ABS and the like. The roller 3 is made of elastic material, such as rubber. The main shaft 2 is a metal piece. Therefore, the sleeve 4 slides smoothly and smoothly with the main shaft 2. Be interference fit between gyro wheel 3 and the sleeve 4, fixed cup joint, the gyro wheel 3 of rubber material has elasticity, the shock attenuation effect, and frictional force is big, grabs the land fertility reinforce.

The wheel shell 1 comprises a first wheel shell 11 and a second wheel shell 12 which are respectively positioned on the left side and the right side, the first wheel shell 11 and the second wheel shell 12 are respectively provided with a shaft seat 6 for installing the main shaft 2 in a surrounding mode, the shaft seats 6 of the first wheel shell 11 and the second wheel shell 12 are respectively in staggered correspondence, two sides of the main shaft 2 are respectively installed in the shaft seats 6, the main shaft 2 inclines for a certain angle theta relative to the horizontal direction, the angle theta is 30-60 degrees, and the preferred angle theta is 45 degrees in the embodiment.

As shown in fig. 7, two side end portions of the spindle 2 are respectively provided with a disc shaft sleeve 7, an outer end of the disc shaft sleeve 7 is a cylindrical structure sleeved in the shaft seat 6, an inner side of the disc shaft sleeve 7 is a disc structure, and the disc structure portion is attached to the sleeve 4.

As shown in fig. 5 and 6, the middle parts of the first wheel housing 11 and the second wheel housing 12 are respectively provided with an inner concave surface 13, and the inner concave surfaces 13 of the first wheel housing 11 and the second wheel housing 12 are respectively attached to each other. After the inner concave surfaces 13 are attached to each other, an annular groove for mounting a rolling assembly is formed in the middle of the wheel shell 1.

The periphery of the concave surface of the first wheel shell 11 and the second wheel shell 12 is respectively provided with a plurality of screw hole columns 14 and a plurality of counter sink bases 15, the screw hole columns 14 correspond to the counter sink bases 15, and the screw hole columns 14 penetrate through the counter sink bases 15.

The lateral edge of the screw hole column 14 is provided with a reinforcing rib 16, and the reinforcing rib 16 extends towards the middle part and is connected with the shaft center. The axle center is provided with an axle hole.

In this embodiment, there are two rollers 3.

The roller 3 is a circular truncated cone-shaped structure, and a generatrix of the roller 3 forms a certain angle β with the axis of the spindle 1, as shown in fig. 8, the angle β is 3-10 degrees, and in the embodiment, 5 degrees is preferred.

Make and can laminate between the surface of gyro wheel 3 and the ground, ensure the contact surface between rolling subassembly and the ground. And because the axis of the rolling component has a certain inclination angle with the horizontal direction, and the generatrix of the roller 3 has a certain included angle with the axis of the main shaft 2, when the omnidirectional wheel rotates on the ground, the ground can generate a stable friction force with a certain inclination direction for the omnidirectional wheel.

Omnidirectional wheel, have very strong design and feel, adopt the wheel shell to add the rolling subassembly of slope for the omnidirectional wheel is when ground rotates, ground is not straight upwards or downwards for the frictional force direction of omnidirectional wheel, but has certain inclination, installs four omnidirectional wheels on the toy, its rolling subassembly's inclination can realize that the toy is whole under the condition that does not change the direction, directly moves to the left, moves to the right, and drift, makes the toy in the operation, has the diversification, and object for appreciation nature is strong.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An omni wheel, the omni wheel comprising a wheel housing and a plurality of rolling assemblies mounted on the peripheral edge of the wheel housing, the axes of the rolling assemblies being inclined at an angle θ with respect to the horizontal, each rolling assembly protruding from the wheel face of the wheel housing, characterized in that: the rolling assembly comprises a main shaft and at least one roller, and the roller is rotatably sleeved on the main shaft; and a sliding sleeve assembly is arranged between the main shaft and the roller.

2. An omni wheel according to claim 1, wherein: the sliding sleeve assembly comprises a sleeve and a spacing ring, the sleeve corresponds to the idler wheels, the sleeve is respectively sleeved on the inner ring of the idler wheels, the main shaft penetrates through the middle shaft hole of the sleeve, and the spacing ring is arranged between the adjacent idler wheels.

3. An omni wheel according to claim 2, wherein: the wheel shell comprises a first wheel shell and a second wheel shell which are respectively positioned on the left side and the right side, the first wheel shell and the second wheel shell are respectively provided with shaft seats for installing the main shaft in a surrounding mode, the shaft seats of the first wheel shell and the second wheel shell respectively correspond in a staggered mode, two sides of the main shaft are respectively installed in the shaft seats, and the main shaft inclines for a certain angle theta relative to the horizontal direction.

4. An omni wheel according to claim 3, wherein: the two side end parts of the main shaft are respectively provided with a disc shaft sleeve, the outer end of the disc shaft sleeve is of a cylindrical structure sleeved in the shaft seat, and the inner side of the disc shaft sleeve is of a disc structure.

5. An omni wheel according to claim 3, wherein: the middle parts of the first wheel shell and the second wheel shell are respectively provided with an inner concave surface, and the inner concave surfaces of the first wheel shell and the second wheel shell are respectively attached.

6. An omni wheel according to claim 5, wherein: the periphery of the inner concave surfaces of the first wheel shell and the second wheel shell is provided with a plurality of screw hole columns and a plurality of counter sink bases respectively, the screw hole columns correspond to the counter sink bases, and the screw hole columns are inserted into the counter sink bases.

7. An omni wheel according to claim 6, wherein: the lateral margin of the screw hole column is provided with a reinforcing rib, and the reinforcing rib extends towards the middle part and is connected with the axis.

8. An omni wheel according to claim 1, wherein: the number of the rollers is two.

9. The omni wheel of claim 8, wherein the roller wheel has a generatrix at an angle β with the axis of the primary shaft.

10. An omni wheel according to claim 1, wherein the angle β is 3-10 degrees.