CN216610723U

CN216610723U - Travelling wheel structure for stair climbing device

Info

Publication number: CN216610723U
Application number: CN202122624054.3U
Authority: CN
Inventors: 宛新骁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-27
Anticipated expiration: 2031-10-29

Abstract

The utility model provides a walking wheel structure for a stair climbing device, which comprises a rotatable supporting main shaft, wherein a plurality of supporting columns are annularly and equidistantly arranged at the outer end of the supporting main shaft, the supporting columns extend along the radial direction of the supporting main shaft, and the supporting columns can slide along the radial direction of the supporting main shaft; the pillar is kept away from the one end that supports the main shaft articulates there is the arc wheel piece, the arc wheel piece with install the driving piece between the pillar, the driving piece is used for the drive the arc wheel piece rotates around the pin joint and expandes. According to the walking wheel structure, the plurality of arc-shaped wheel sheets can be contracted to form the walking wheel to walk on the flat ground, and the plurality of arc-shaped wheel sheets can be unfolded to perform stair climbing operation, so that the whole structure is simpler, and the manufacturing cost is lower; and the distance between the arc wheel sheet and the supporting main shaft is adjustable, the rotating angle of the arc wheel sheet is adjustable, the flexibility is higher, the application range is wider, and the defects that the structure of the existing walking wheel is complex and the radius and the angle are not changeable are overcome.

Description

Travelling wheel structure for stair climbing device

Technical Field

The utility model relates to the field of stair climbing devices, in particular to a walking wheel structure for a stair climbing device.

Background

The prior stair climbing device is commonly in a crawler type, a leg-foot type and a planet wheel type; the crawler type walking structure is large in size and easily damages the stair steps due to the defects in principle; the leg-foot type walking structure is complex in structure and complicated in control system; the planet wheel type walking structure is accepted by the masses of people due to simpler structure and principle and easy realization.

The existing planet wheel type walking structure generally comprises a walking wheel and a plurality of arc-shaped wheel sheets arranged on the walking wheel, wherein when the walking wheel walks on a flat ground, the arc-shaped wheel sheets shrink into the walking wheel and are driven by the walking wheel to advance; when the stairs need to be climbed, the arc-shaped wheel sheet is unfolded to the outer side of the walking wheel and is driven by the arc-shaped wheel sheet and the walking wheel in a matching way, for example, the walking wheel structure disclosed in the patent No. CN111920604A is provided with the walking wheel and the arc-shaped wheel, so that the structure is complex and the cost is high; and the radius and the angle of the walking wheels can not be changed, so that the walking wheels can not be suitable for stairs with different heights, and the application range is narrow.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the problem of providing a travelling wheel structure for a stair climbing device, so as to overcome the defects of complex structure and invariable radius and angle of the existing travelling wheel structure.

(II) technical scheme

In order to solve the technical problem, the utility model provides a walking wheel structure for a stair climbing device, which comprises a rotatable supporting main shaft, wherein a plurality of supporting columns are annularly and equidistantly arranged at the outer end of the supporting main shaft, the supporting columns extend along the radial direction of the supporting main shaft, and can slide along the radial direction of the supporting main shaft; the pillar is kept away from the one end of supporting the main shaft articulates there is the arc wheel piece, the arc wheel piece with install the driving piece between the pillar, the driving piece is used for the drive the arc wheel piece rotates around the pin joint and expandes. According to the walking wheel structure, the plurality of arc-shaped wheel sheets can be contracted to form the walking wheel to walk on the flat ground, and the plurality of arc-shaped wheel sheets can be unfolded to perform stair climbing operation, so that the whole parts are fewer, the structure is simpler, and the manufacturing cost is lower; and the distance between the arc wheel sheet and the supporting main shaft is adjustable, the rotating angle of the arc wheel sheet is adjustable, the flexibility is higher, the application range is wider, and the defects that the structure of the existing walking wheel is complex and the radius and the angle are not changeable are overcome.

Furthermore, a plurality of adjusting rods are annularly arranged at equal intervals at the outer end of the supporting main shaft, a sliding part is arranged at one end, close to the supporting main shaft, of the support column, and the sliding part is sleeved on and slidably mounted on the adjusting rods.

Further, the walking wheel structure is still including installing the actuating mechanism of pillar inboard, actuating mechanism with the sliding part is connected and is used for adjusting arc wheel piece with support the interval of main shaft. The driving mechanism comprises a sliding block which is slidably arranged on the supporting main shaft, and a plurality of connecting rods are annularly and equidistantly arranged on the sliding block; one end of the connecting rod is hinged with the corresponding sliding part, and the other end of the connecting rod is hinged with the sliding block.

Furthermore, the driving piece is an electric push rod, one end of the electric push rod is hinged with the arc-shaped wheel piece, and the other end of the electric push rod is hinged with the supporting column.

Furthermore, arc supporting sheets are arranged on the support columns, and the arc supporting sheets can be enclosed into a closed ring shape after being contracted. The pillar is hinged to the middle of the arc-shaped wheel sheet, and the plurality of arc-shaped wheel sheets can be contracted to form a closed travelling wheel.

Furthermore, the number of the supporting columns is three, and the arc wheel sheet and the arc supporting sheet are correspondingly three.

(III) advantageous effects

Compared with the prior art, the walking wheel structure for the stair climbing device provided by the utility model has the following advantages:

1) through the matching of the bracket, the arc-shaped wheel sheets and the driving piece, when walking on the flat ground, the driving piece does not work, the arc-shaped wheel sheets shrink to form a closed walking wheel, and the walking wheel rotates to advance on the flat ground; when climbing stairs, the driving piece drives the arc-shaped wheel piece to be unfolded, so that the stair climbing work can be carried out; the walking wheel has simpler structure, fewer components and lower manufacturing cost;

2) through actuating mechanism, sliding part and regulation pole cooperation, when climbing the building, can adjust the arc wheel piece and support the interval of main shaft according to the height of step to the rotation range of arc wheel piece is adjusted to the driving piece of deuterogamying, and applicable not step of co-altitude, application range is wider, and the flexibility is higher.

Drawings

Fig. 1 is a perspective view of a road wheel structure for a stair climbing device according to the present invention;

fig. 2 is a perspective view of another angle of the road wheel structure for the stair climbing device according to the present invention;

fig. 3 is a schematic structural view of a travelling wheel structure for a stair climbing device according to the present invention;

fig. 4 is a schematic structural view of a travelling wheel structure for a stair climbing device according to the present invention;

the corresponding part names for the various reference numbers in the figures are: 1. supporting the main shaft; 2. a pillar; 3. an arc-shaped wheel sheet; 4. a drive member; 5. adjusting a rod; 6. a sliding part; 7. a slider; 8. a connecting rod; 9. an arc support sheet.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1 to 4, the present invention provides a travelling wheel structure for a stair climbing device, including a rotatable supporting spindle 1, wherein the supporting spindle 1 can be driven by a motor to rotate.

Referring to fig. 1 and 3, a plurality of struts 2 are annularly and equally spaced at an outer end of the support spindle 1, the struts 2 extend along a radial direction of the support spindle 1, and the struts 2 can slide along the radial direction of the support spindle 1. Pillar 2 keeps away from the one end of supporting main shaft 1 and articulates there is arc wheel piece 3, is equipped with the articulated seat of being convenient for on arc wheel piece 3, installs driving piece 4 between arc wheel piece 3 and pillar 2, and driving piece 4 is used for driving arc wheel piece 3 and rotates around the pin joint and expand. In this embodiment, the number of the pillars 2 and the number of the arc-shaped wheel sheets 3 are three, and when the three arc-shaped wheel sheets 3 are unfolded, a triangle can be formed by enclosure, so that the triangle is better in stability and more stable and reliable in structure.

Referring to fig. 1 to 3, a plurality of adjusting rods 5 are annularly arranged at equal intervals at the outer end of the supporting main shaft 1, and the number of the adjusting rods 5 is the same as that of the pillars 2, i.e., three. One end of the support column 2 close to the support main shaft 1 is provided with a sliding part 6, and the sliding part 6 is sleeved and slidably installed on the adjusting rod 5. When the sliding part 6 slides in a direction away from the support spindle 1, the distance between the arc-shaped wheel piece 3 and the support spindle 1 is increased, and a higher step surface can be applied.

Referring to fig. 2, the travelling wheel structure further includes a driving mechanism installed inside the pillar 2, and the driving mechanism is connected with the sliding portion 6 for adjusting the distance between the arc-shaped wheel piece 3 and the support main shaft 1. The driving mechanism comprises a sliding block 7 which is arranged on the supporting main shaft 1 in a sliding way, and a plurality of connecting rods 8 are annularly and equidistantly arranged on the sliding block 7; one end of the connecting rod 8 is hinged with the corresponding sliding part 6, and the other end is hinged with the sliding block 7. When the distance between the arc wheel piece 3 and the supporting spindle 1 needs to be increased, the sliding block 7 slides towards the support column 2, the sliding block 7 pushes the connecting rod 8, and the connecting rod 8 pushes the corresponding sliding part 6 to slide outwards.

Referring to fig. 1 and 3, the pillars 2 are provided with arc support plates 9, the sliding portion 6 is located on the inner side of the arc support plates 9, the arc support plates 9 can be contracted to form a closed ring, and the number of the arc support plates 9 is three. When walking on the flat ground, the arc support sheet 9 can be contracted to form a closed ring shape, so that the support strength can be increased, and the whole structure is more stable.

Referring to fig. 1 and 3, the driving member 4 is an electric push rod, one end of which is hinged to the arc-shaped wheel 3, and the other end of which is hinged to the pillar 2. The pillar 2 is hinged in the middle of the arc-shaped wheel sheets 3, and the arc-shaped wheel sheets 3 can be contracted to form a closed walking wheel, so that the walking on the flat ground is facilitated.

According to the walking wheel structure for the stair climbing device, the support, the arc-shaped wheel sheets and the driving piece are matched, when the walking wheel structure walks on the flat ground, the driving piece does not work, the arc-shaped wheel sheets shrink to form the closed walking wheel, and the walking wheel rotates to advance on the flat ground; when climbing stairs, the driving piece drives the arc-shaped wheel piece to be unfolded, so that the stair climbing work can be carried out; the walking wheel has simpler structure, fewer components and lower manufacturing cost; through the matching of the driving mechanism, the sliding part and the adjusting rod, when climbing stairs, the space between the arc-shaped wheel sheet and the supporting main shaft can be adjusted according to the height of the step, and the rotating amplitude of the arc-shaped wheel sheet is adjusted by matching with the driving piece, so that the stair climbing stair is applicable to the steps with different heights, the application range is wider, and the flexibility is higher; the defects that the structure of the existing walking wheel is complex and the radius and the angle are invariable are overcome.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a walking wheel structure for climbing building device which characterized in that: the supporting device comprises a rotatable supporting main shaft (1), wherein a plurality of supporting columns (2) are annularly and equidistantly arranged at the outer side end of the supporting main shaft (1), the supporting columns (2) extend along the radial direction of the supporting main shaft (1), and the supporting columns (2) can slide along the radial direction of the supporting main shaft (1); keep away from pillar (2) the one end of supporting main shaft (1) articulates there is arc wheel piece (3), arc wheel piece (3) with install driving piece (4) between pillar (2), driving piece (4) are used for the drive arc wheel piece (3) are rotated around the pin joint and are expanded.

2. The road wheel structure for a stair climbing device as claimed in claim 1, wherein: the supporting device is characterized in that a plurality of adjusting rods (5) are annularly and equidistantly arranged at the outer side end of the supporting main shaft (1), the supporting column (2) is close to one end of the supporting main shaft (1) and is provided with a sliding part (6), and the sliding part (6) is sleeved with the adjusting rods (5) in a sliding mode.

3. The road wheel structure for a stair climbing device as claimed in claim 2, wherein: the device is characterized by further comprising a driving mechanism arranged on the inner side of the support column (2), wherein the driving mechanism is connected with the sliding part (6) and used for adjusting the distance between the arc-shaped wheel sheet (3) and the supporting main shaft (1).

4. A road wheel structure for a stair climbing apparatus as claimed in claim 3, wherein: the driving mechanism comprises a sliding block (7) which is slidably installed on the supporting main shaft (1), and a plurality of connecting rods (8) are annularly and equidistantly arranged on the sliding block (7); one end of the connecting rod (8) is hinged with the corresponding sliding part (6), and the other end of the connecting rod is hinged with the sliding block (7).

5. The road wheel structure for a stair climbing device as claimed in claim 1, wherein: the driving piece (4) is an electric push rod, one end of the electric push rod is hinged with the arc-shaped wheel sheet (3), and the other end of the electric push rod is hinged with the supporting column (2).

6. The road wheel structure for a stair climbing device as claimed in claim 1, wherein: arc supporting sheets (9) are arranged on the support columns (2), and the arc supporting sheets (9) can be enclosed into a closed ring shape after being contracted.

7. The road wheel structure for a stair climbing device as claimed in claim 1, wherein: the support column (2) is hinged to the middle of the arc-shaped wheel sheet (3), and the arc-shaped wheel sheets (3) can be contracted to form a closed travelling wheel.

8. The road wheel structure for a stair climbing apparatus as claimed in claim 6, wherein: the number of the support columns (2) is three, and the arc wheel sheet (3) and the arc support sheet (9) are correspondingly three.