CN217886405U - Labor-saving stair climbing device - Google Patents
Labor-saving stair climbing device Download PDFInfo
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- CN217886405U CN217886405U CN202221808281.XU CN202221808281U CN217886405U CN 217886405 U CN217886405 U CN 217886405U CN 202221808281 U CN202221808281 U CN 202221808281U CN 217886405 U CN217886405 U CN 217886405U
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- seat
- push rod
- telescopic push
- crawler belt
- crawler
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Abstract
The utility model discloses a labor-saving stair climbing device, which comprises a crawler belt, a telescopic push rod and a seat with rollers, wherein one side of the bottom end of the seat is hinged with one end of the crawler belt, one end of the telescopic push rod is hinged with the seat, and the other end of the telescopic push rod is hinged with the crawler belt; the telescopic push rod extends or shortens to enable the minimum included angle between the seat and the crawler to be 0-15 degrees and the maximum included angle to be 70-90 degrees. The utility model realizes the transition of the seat in the switching process of different forms (inclined lying and upright) by adjusting the large angle between the seat and the crawler belt, thereby saving the manpower; in the process of large-angle adjustment, the edge of the highest step is used as a fulcrum, and the seat can be supported only by applying a small acting force to the seat manually through the lever principle, so that the aim of saving labor is further fulfilled.
Description
Technical Field
The utility model relates to a laborsaving building ware of climbing belongs to building ware technical field of climbing.
Background
For the elderly and disabled, wheelchairs are the primary vehicle for their egress activities; when the wheelchair is carried up and down stairs or lifted, a worker can only hold the bottom of the wheelchair to carry the wheelchair, so that the wheelchair in the prior art is very inconvenient to use when going up and down stairs.
In the prior art, a crawler belt is movably arranged on a wheelchair to solve the problem that the wheelchair cannot climb stairs. However, in the prior art, the unfolding angle of the tracks and the chair back is generally 15-30 degrees.
Therefore, the above solution has the following problems: when the wheelchair ascends to the platform from the stair slope, the stair slope is about 30 degrees, the wheelchair needs to be vertically pushed on the platform, an operator needs to drag the wheelchair to the platform from the slope, and then the wheelchair is rotated by 60 degrees to be vertically arranged, so that inconvenience is brought to the operator with less strength or female operator.
SUMMERY OF THE UTILITY MODEL
For solving the defects of the prior art, the utility model aims to provide a labor-saving stair climbing device, which solves the technical problem that the expansion angle undersize of the crawler belt in the prior art leads to the difficult operation from the upper and lower stairs
In order to achieve the above object, the utility model adopts the following technical scheme:
a labor-saving stair climbing device comprises a crawler belt, a telescopic push rod and a seat with rollers, wherein one side of the bottom end of the seat is hinged with one end of the crawler belt, one end of the telescopic push rod is hinged with the seat, and the other end of the telescopic push rod is hinged with the crawler belt;
the telescopic push rod extends or shortens to ensure that the minimum included angle between the seat and the crawler does not exceed 15 degrees, and the range of the maximum included angle is 70-90 degrees;
the track can at least cross three steps.
As a preferred scheme of the utility model, still including set up in the adjustable handrail of seat.
As a preferred scheme of the utility model, the utility model also comprises a pedal;
the bottom of the seat is provided with a sliding barrel, and the pedal is slidably mounted in the sliding barrel.
As an optimized scheme of the utility model, flexible push rod is telescopic cylinder or linear electric motor.
When the stair climbing device ascends from the first platform to the second platform through the stairs, the operation is as follows:
a. manually holding the top end of the backrest of the seat and rotating 0-30 degrees on the first platform by taking the side of the bottom end of the seat close to the inclined plane of the stairs as a fulcrum;
b. controlling the extension of the telescopic push rod to drive the crawler belt to rotate towards one side of the stair slope until the crawler belt is attached to the stair slope;
c. manually holding the top end of the backrest of the seat to draw and control the crawler belt to climb up along the inclined plane of the stairs, and when the crawler belt at least spans two steps, controlling the telescopic push rod to contract until the backrest of the seat is parallel to the inclined plane of the stairs or the included angle between the backrest of the seat and the inclined plane of the stairs is not more than 15 degrees;
d. manually holding the top end of the backrest of the seat to draw and control the crawler belt to continuously climb up along the inclined plane of the stairs until the center of the crawler belt contacts the edge of the highest step, controlling the telescopic push rod to extend, and rotating the crawler belt towards the second platform by taking the edge of the highest step as a fulcrum until the crawler belt is attached to the second platform;
e. the crawler belt is controlled to completely move to the second platform, the seat is in an upright state or is erected by manually holding the top end of the seat backrest to rotate by no more than 30 degrees, and finally the telescopic push rod is controlled to contract to enable the crawler belt to be attached to the seat backrest;
when the stair climbing device descends to the first platform from the second platform through the stairs, the operation is as follows:
a. manually holding the top end of the backrest of the seat and rotating 0-30 degrees on the first platform by taking the side of the bottom end of the seat close to the inclined plane of the stairs as a fulcrum;
b. controlling the telescopic push rod to extend so as to drive the crawler belt to rotate towards one side of the second platform until the crawler belt is attached to the second platform;
c. manually holding the top end of the seat backrest for traction and controlling the crawler belt to move along the second platform, controlling the telescopic push rod to contract when the center of the crawler belt contacts and crosses the outer edge of the highest step, and rotating the crawler belt to the stair slope by taking the outer edge of the highest step as a fulcrum at the moment until the crawler belt is attached to the stair slope;
d. the top end of the seat backrest is manually held to be pulled and the crawler belt is controlled to continuously move downwards along the stair slope, until the roller on one side, close to the stair slope, of the seat contacts the first platform, the telescopic push rod is controlled to extend to the maximum, the seat is in an upright state or the top end of the seat backrest is manually held to rotate by no more than 30 degrees, so that the seat is upright, and finally the telescopic push rod is controlled to contract to enable the crawler belt to be attached to the seat backrest.
The utility model discloses the beneficial effect who reaches:
the utility model discloses a flexible push rod is with automatic realization seat and the wide-angle between the track is adjusted, makes this laborsaving stair climbing ware when shifting the platform from the stair inclined plane, can be with the border of the highest one-level step as the fulcrum, through increasing the angle between seat and the track, makes the track rotatory laminating to the platform, and guarantees simultaneously that the angle between seat and the weight line does not exceed 30 degrees, thereby the operator only need rotate less angle can make the seat upright; therefore, the utility model realizes the transition of the seat in the switching process of different forms by adjusting the seat and the crawler belt by a large angle, thereby saving the manpower; in the process of large-angle adjustment, the edge of the highest step is used as a fulcrum, and the seat can be supported only by applying a small acting force to the seat manually through the lever principle, so that the aim of saving labor is further fulfilled.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the stair climbing machine provided by the present invention.
The meaning of the reference symbols in the figures:
1-a seat; 2-a roller; 3, a crawler belt; 4-a telescopic push rod; 5-a handrail; 6-pedaling; 7-a slide cylinder; 8-a brake mechanism.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A labor-saving stair climbing device comprises a crawler 3, a telescopic push rod 4 and a seat 1 with rollers 2, wherein one side of the bottom end of the seat 1 is hinged to one end of the crawler 3, one end of the telescopic push rod 4 is hinged to the seat 1, and the other end of the telescopic push rod 4 is hinged to the crawler 3;
the telescopic push rod 4 extends or shortens to ensure that the minimum included angle between the seat 1 and the crawler 3 does not exceed 15 degrees, and the maximum included angle is 70-90 degrees;
the crawler 3 can stride over at least three steps.
Wherein, the chair also comprises an adjustable armrest 5 arranged on the chair 1.
Wherein, also comprises a pedal 6; the bottom end of the seat 1 is provided with a sliding barrel 7, and the pedal 6 is slidably mounted in the sliding barrel 7.
By providing a damping layer in the spool 7, locking is performed by a frictional force between the damping layer and the sliding portion between the pedals 6.
Wherein, the telescopic push rod 4 is a telescopic cylinder or a linear motor.
And a brake mechanism 8 is also arranged on the seat 1, and the brake mechanism 8 is used for braking the crawler 3.
In order to cooperate this stair climbing ware can reach laborsaving effect in order to realize that seat 1 is at the whole in-process of going upstairs and downstairs, the utility model also provides a stair climbing method.
The stair climbing method comprises the following steps: when the stair climber ascends from the first platform to the second platform through the stairs, the operation is as follows:
a. manually holding the top end of the backrest of the seat 1 and rotating 0-30 degrees on the first platform by taking the side of the bottom end of the seat 1 close to the inclined plane of the stairs as a fulcrum;
b. the extension of the telescopic push rod 4 is controlled to drive the crawler 3 to rotate towards one side of the stair slope until the crawler 3 is attached to the stair slope;
c. manually holding the top end of the backrest of the seat 1 to draw and controlling the crawler belt 3 to climb up along the inclined plane of the stairs, and controlling the telescopic push rod 4 to contract when the crawler belt 3 at least spans two steps until the backrest of the seat 1 is parallel to the inclined plane of the stairs or the included angle between the backrest and the inclined plane of the stairs is not more than 15 degrees;
d. manually holding the top end of the backrest of the seat 1 to draw and control the crawler 3 to continuously climb up along the inclined plane of the stairs until the center of the crawler 3 contacts the edge of the highest step, controlling the telescopic push rod 4 to extend, and rotating the crawler 3 to the second platform by taking the edge of the highest step as a fulcrum until the crawler 3 is attached to the second platform;
e. controlling the crawler 3 to completely move to a second platform, enabling the seat 1 to be in an upright state or enabling the seat 1 to be upright by manually holding the top end of the backrest of the seat 1 to rotate by no more than 30 degrees, and finally controlling the telescopic push rod 4 to contract to enable the crawler 3 to be attached to the backrest of the seat 1;
when the stair climber descends from the second platform to the first platform through the stairs, the operation is as follows:
a. manually holding the top end of the backrest of the seat 1 and rotating 0-30 degrees on the first platform by taking the side of the bottom end of the seat 1 close to the inclined plane of the stairs as a fulcrum;
b. controlling the telescopic push rod 4 to extend to drive the crawler 3 to rotate towards one side of the second platform until the crawler 3 is attached to the second platform;
c. manually holding the top end of the backrest of the seat 1 to draw and controlling the crawler 3 to move along the second platform, controlling the telescopic push rod 4 to contract when the center of the crawler 3 is contacted and strides over the outer edge of the highest step, and rotating the crawler 3 to the stair slope by taking the outer edge of the highest step as a fulcrum until the crawler 3 is attached to the stair slope;
d. the top end of the backrest of the seat 1 is manually held for traction, the crawler 3 is controlled to continuously move downwards along the inclined plane of the stair, until the roller on one side, close to the inclined plane of the stair, of the seat 1 contacts the first platform, the telescopic push rod 4 is controlled to extend to the maximum, the seat 1 is in an upright state or the top end of the backrest of the seat 1 is manually held to rotate by no more than 30 degrees, so that the seat 1 is upright, and finally the telescopic push rod 4 is controlled to contract to enable the crawler 3 to be attached to the backrest of the seat 1.
The utility model discloses a telescopic push rod 4 is with automatic big angle modulation between realization seat 1 and track 3, makes this laborsaving stair climbing ware when shifting the platform from the stair inclined plane, can be with the border of the highest one-level step as the fulcrum, through increasing the angle between seat 1 and track 3, makes track 3 rotatory laminating to the platform, and guarantees simultaneously that the angle between seat 1 and the weight line does not exceed 30 degrees, thereby the operator only need rotate less angle can make seat 1 upright; therefore, the utility model realizes the transition of the seat 1 in the switching process of different forms (inclined lying and upright) by adjusting the seat 1 and the crawler 3 by a large angle, thereby saving the manpower; in the process of large-angle adjustment, the edge of the highest step is used as a fulcrum, and the seat 1 can be supported only by applying a small acting force to the seat manually through the lever principle, so that the aim of saving labor is further fulfilled.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The labor-saving stair climbing device is characterized by comprising a crawler belt (3), a telescopic push rod (4) and a seat (1) with rollers (2), wherein one side of the bottom end of the seat (1) is hinged with one end of the crawler belt (3), one end of the telescopic push rod (4) is hinged with the seat (1), and the other end of the telescopic push rod (4) is hinged with the crawler belt (3);
the telescopic push rod (4) extends or shortens through the telescopic push rod to ensure that the minimum included angle between the seat (1) and the crawler (3) does not exceed 15 degrees, and the maximum included angle ranges from 70 degrees to 90 degrees;
the crawler belt (3) can at least cross three steps.
2. A labor saving stair climber as claimed in claim 1, further comprising adjustable armrests (5) provided to said seat (1).
3. A labor-saving stair climbing device according to claim 1, further comprising pedals (6);
the bottom of seat (1) is equipped with slide cartridge (7), pedal (6) slidable mounting in slide cartridge (7), be equipped with pedal locking structure in slide cartridge (7).
4. A labor-saving stair climbing device according to claim 1, wherein the telescopic push rod (4) is a telescopic cylinder or a linear motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221808281.XU CN217886405U (en) | 2022-07-13 | 2022-07-13 | Labor-saving stair climbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221808281.XU CN217886405U (en) | 2022-07-13 | 2022-07-13 | Labor-saving stair climbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217886405U true CN217886405U (en) | 2022-11-25 |
Family
ID=84134389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221808281.XU Active CN217886405U (en) | 2022-07-13 | 2022-07-13 | Labor-saving stair climbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217886405U (en) |
-
2022
- 2022-07-13 CN CN202221808281.XU patent/CN217886405U/en active Active
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