CN221188825U - Mechanism for going upstairs and downstairs of stepping ladder - Google Patents
Mechanism for going upstairs and downstairs of stepping ladder Download PDFInfo
- Publication number
- CN221188825U CN221188825U CN202323290746.4U CN202323290746U CN221188825U CN 221188825 U CN221188825 U CN 221188825U CN 202323290746 U CN202323290746 U CN 202323290746U CN 221188825 U CN221188825 U CN 221188825U
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- supporting
- buffer
- wheel structure
- bracket
- wheel frame
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- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 230000008093 supporting effect Effects 0.000 claims abstract description 51
- 230000009194 climbing Effects 0.000 claims abstract description 33
- 230000008602 contraction Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a stair climbing machine upstairs and downstairs mechanism which comprises a plurality of unit supporting structures and connecting columns, wherein each adjacent unit supporting structure is connected through the corresponding connecting column, each unit supporting structure comprises a supporting wheel structure, a buffer wheel structure, a connecting rod, a gas spring and a bracket, the supporting wheel structure, the buffer wheel structure and the gas spring are all arranged on the bracket, the supporting wheel structure is connected with the buffer path structure through the connecting rod, and the gas spring and the buffer wheel structure are connected. In the utility model, the supporting wheel structure of the unit supporting structure is contacted with the adjacent steps to realize the supporting when going upstairs and downstairs, the utility model does not need to move together during climbing, the supporting effect is good, even if vibration occurs during climbing, the vibration energy is transmitted into the buffer wheel structure, and the vibration is buffered by the expansion and contraction of the gas spring, so as to maintain the stability of the utility model.
Description
Technical Field
The utility model relates to the field of mechanical design, in particular to a stair climbing machine upstairs and downstairs mechanism.
Background
The stair climbing machine is also called stair climbing machine, and is a mechanical equipment for carrying heavy objects through stairs, while the step-by-step stair climbing machine can step by step go upstairs or downstairs along the stairs steps in a step mode, so that the mode that the heavy objects can only be carried manually to pass through the stairs is replaced.
The existing step-by-step stair climbing machine generally is provided with a supporting structure for going upstairs and downstairs so that the stair climbing machine can have certain support when climbing or descending, for example, a stair climbing machine stepping device disclosed in patent CN220009938U is provided with a supporting plate, but in the structure disclosed in the patent above, the supporting structure can move correspondingly and together when climbing steps, so that the supporting effect is poor, and in addition, the supporting stability is insufficient and the reliability is weak due to vibration and the like in the climbing process.
Disclosure of utility model
The utility model aims to provide a stair climbing machine upstairs and downstairs mechanism which can solve one or more of the problems.
According to one aspect of the utility model, a stair climbing machine upstairs and downstairs mechanism is provided, the stair climbing machine comprises a plurality of unit supporting structures and connecting columns, the adjacent unit supporting structures are connected through the connecting columns, each unit supporting structure comprises a supporting wheel structure, a buffer wheel structure, a connecting rod, a gas spring and a bracket, the supporting wheel structure, the buffer wheel structure and the gas spring are all arranged on the bracket, the supporting wheel structure is connected with the buffer path structure through the connecting rod, and the gas spring and the buffer wheel structure are connected.
The beneficial effects of the utility model are as follows: the unit supporting structure can be used in a stepping ladder machine, when the unit supporting structure goes up and down stairs, the supporting wheel structure of the unit supporting structure is in contact with adjacent stairs to realize supporting, and the actions of going up and down stairs can be realized by other structures of the stepping ladder machine.
In some embodiments, the support wheel structure includes a support wheel and a support wheel frame, one end of the support wheel frame is connected with the bracket, and the support wheel is rotatably mounted on the other end of the support wheel frame.
In some embodiments, the buffer wheel structure includes a buffer wheel rotatably mounted on one end of a buffer wheel frame, the buffer wheel frame being hinged to the bracket.
In some embodiments, the other end of the buffer wheel frame is hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to the support wheel frame. Vibration energy received by the supporting wheel structure is transmitted to the buffer wheel structure through the connecting rod, so that the buffer wheel structure can swing to a certain degree to buffer.
In some embodiments, the gas spring comprises a cylinder and a piston rod, one end of the piston rod is movably arranged in the cylinder, and the other end of the piston rod is hinged with the buffer wheel structure.
In some embodiments, the cylinder is provided with a boss hinged to the bracket. The bump can facilitate the hinging of the cylinder body on the bracket.
In some embodiments, the unit support structure further comprises a plurality of rollers rotatably mounted on the bracket. The gyro wheel can contact with current ladder when climbing the building, avoids support and ladder direct contact to lead to frictional force too big, influences going on of climbing the building action.
In some embodiments, the bracket comprises a first connecting plate, a second connecting plate and a connecting block, wherein the first connecting plate and the second connecting plate are connected through the connecting block, and a through hole which simultaneously penetrates through the first connecting plate, the second connecting plate and the connecting block is formed in the bracket. The arrangement of the through holes can facilitate the connection of the bracket and other external structures.
Drawings
Fig. 1 is a schematic structural view of a stair climbing machine stair climbing mechanism according to an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a unit supporting structure of a stair climbing machine up-down mechanism according to an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a unit supporting structure of a stair climbing machine upstairs and downstairs mechanism according to an embodiment of the present utility model without a second connecting plate.
In the figure: 1. unit supporting structure, 2, connecting column, 11, supporting wheel structure, 12, buffer wheel structure, 13, connecting rod, 14, gas spring, 15, bracket, 16, idler wheel, 111, supporting wheel, 112, supporting wheel frame 121, buffer wheel, 122, buffer wheel frame, 141, cylinder body, 142, piston rod, 143, protrusion, 151, first connecting plate, 152, second connecting plate, 153, connecting block, 154 and through hole.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, a step-up/down mechanism of a stair climbing machine according to the present utility model includes a plurality of unit support structures 1 and connecting columns 2, and in this embodiment, the number of unit support structures 1 is preferably two.
The unit support structure 1 includes a support wheel structure 11, a buffer wheel structure 12, a link 13, a gas spring 14, and a bracket 15.
The support wheel structure 11 includes a support wheel 111 and a support wheel frame 112. One end of the support wheel frame 112 is hinged to the bracket 15 through a pin, and the support wheel 111 is rotatably mounted on the other end of the support wheel frame 112 through a pin.
The buffer wheel structure 12 includes a buffer wheel 121 and a buffer wheel frame 122. The buffer wheel 121 is rotatably installed on one end of the buffer wheel frame 122 through a pin, the buffer wheel frame 122 is hinged with the bracket 15 through a pin, and meanwhile, the other end of the buffer wheel frame 122 is connected with one end of the connecting rod 13 through a pin, so that the connection position of the buffer wheel frame 122 and the bracket 15 is between the connection position of the buffer wheel frame 122 and the connecting rod 13 and the connection position of the buffer wheel frame 121, and the buffer wheel frame 122 can swing around the connection position of the buffer wheel frame 122 and the bracket 15 to a certain extent.
The other end of the connecting rod 13 is hinged with the supporting wheel frame 112 through a pin, and the connection position of the supporting wheel frame 112 and the connecting rod 13 is positioned between the connection position of the supporting wheel frame 112 and the bracket 15 and the connection position of the supporting wheel frame and the supporting wheel 111.
The air spring 14 comprises a cylinder 141 and a piston rod 142, one end of the piston rod 142 is movably arranged in the cylinder 141 through a piston, inert gas is filled in the cylinder 141, the other end of the piston rod 142 is hinged with the buffer wheel frame 122 of the buffer wheel structure 12 through a pin shaft, a boss 143 is arranged at the bottom of the cylinder 141, and the boss 143 is hinged on the bracket 15 through the pin shaft.
The unit support structure 1 further comprises a plurality of rollers 16, preferably three rollers 16 in this embodiment, the three rollers 16 being rotatably mounted on the frame 15 by means of shafts.
The bracket 15 includes a first link plate 151, a second link plate 152, and a link block 153. The number of the connecting blocks 153 can be plural, and two sides of each connecting block 153 are respectively connected with the first connecting plate 151 and the second connecting plate 152, that is, the first connecting plate 151 and the second connecting plate 152 are fixedly connected through the connecting blocks 153, and the bracket 15 is provided with a through hole 154 which penetrates through the first connecting plate 151, the second connecting plate 152 and the connecting blocks 153.
And the adjacent unit support structures 1 after the arrangement are fixedly connected through the connecting columns 2, so that the adjacent unit support structures 1 can synchronously move.
In the present utility model, the through holes 154 can be connected with bolts, so that the present utility model is connected to a step ladder, when the step ladder is climbing, the rollers 16 and the buffer wheels 121 of each unit support structure 1 can be located on the current step, and the support wheel frame 112 can swing on the support 15 to a certain extent, so that the support wheel 111 can abut against another step depending on the swing of the support wheel frame 112, and at this time, the step ladder can climb, and the support wheel structure 11 plays a supporting role.
In addition, even if vibration exists in the climbing process, the vibration energy is transmitted to the buffer wheel structure 12 through the connecting rod 13, and the buffer wheel frame 122 of the buffer wheel structure 12 can swing to a certain extent under the influence of the vibration, but depending on the arrangement of the gas spring 14, the piston rod 142 can correspondingly generate acting force when the buffer wheel frame 122 swings so as to effectively reduce the swing amplitude of the buffer wheel frame 122, namely, the buffer effect is achieved, the stability of the utility model is maintained, and the working reliability of the utility model is ensured.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (8)
1. The step ladder climbing machine upstairs and downstairs mechanism is characterized by comprising a plurality of unit supporting structures and connecting columns, wherein the adjacent unit supporting structures are connected through the connecting columns, each unit supporting structure comprises a supporting wheel structure, a buffer wheel structure, a connecting rod, a gas spring and a support, the supporting wheel structure, the buffer wheel structure and the gas spring are all installed on the support, and the supporting wheel structure is connected with the buffer path structure through the connecting rod.
2. The stair climbing machine up-down stairs mechanism according to claim 1, wherein the supporting wheel structure includes a supporting wheel and a supporting wheel frame, one end of the supporting wheel frame is connected with the bracket, and the supporting wheel is rotatably installed on the other end of the supporting wheel frame.
3. The stair climbing machine up-down stairs mechanism according to claim 2, wherein the buffer wheel structure includes a buffer wheel and a buffer wheel frame, the buffer wheel is rotatably mounted on one end of the buffer wheel frame, and the buffer wheel frame is hinged with the bracket.
4. A step ladder climbing mechanism according to claim 3, wherein the other end of the buffer wheel frame is hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to the support wheel frame.
5. The stair climbing machine upstairs and downstairs mechanism according to claim 1, wherein the gas spring comprises a cylinder body and a piston rod, one end of the piston rod is movably arranged in the cylinder body, and the other end of the piston rod is hinged with the buffer wheel structure.
6. The stair climbing machine up-and-down mechanism according to claim 5, wherein the cylinder is provided with a protrusion hinged to the bracket.
7. The stair climbing machine up-down stairs mechanism according to claim 1, wherein the unit support structure further comprises a plurality of rollers, the plurality of rollers being rotatably mounted on the bracket.
8. The stair climbing machine upstairs and downstairs mechanism according to claim 1, wherein the support comprises a first connecting plate, a second connecting plate and a connecting block, the first connecting plate and the second connecting plate are connected through the connecting block, and a through hole which penetrates through the first connecting plate, the second connecting plate and the connecting block simultaneously is formed in the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323290746.4U CN221188825U (en) | 2023-12-04 | 2023-12-04 | Mechanism for going upstairs and downstairs of stepping ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323290746.4U CN221188825U (en) | 2023-12-04 | 2023-12-04 | Mechanism for going upstairs and downstairs of stepping ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221188825U true CN221188825U (en) | 2024-06-21 |
Family
ID=91491386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323290746.4U Active CN221188825U (en) | 2023-12-04 | 2023-12-04 | Mechanism for going upstairs and downstairs of stepping ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221188825U (en) |
-
2023
- 2023-12-04 CN CN202323290746.4U patent/CN221188825U/en active Active
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