CN214632658U

CN214632658U - Foldable electric stair climbing chair

Info

Publication number: CN214632658U
Application number: CN202022361369.9U
Authority: CN
Inventors: 徐同德; 马二利
Original assignee: Zhangjiagang Herui Medical Equipment Co ltd
Current assignee: Zhangjiagang Herui Medical Equipment Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-11-09
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to the technical field of stair climbing chairs, in particular to a foldable electric stair climbing chair, which comprises a main stair climbing vehicle, wherein the main stair climbing vehicle and an auxiliary stair climbing vehicle are arranged, when climbing stairs, the main stair climbing vehicle and the auxiliary stair climbing vehicle are positioned on the same straight line, so that the contact area of a track and the stairs is increased, the clamping blocks on the track are clamped at the edges of the stairs to be better jointed with the stairs, thereby facilitating the stair climbing, increasing the stability and the safety when climbing stairs, facilitating the use and the operation, facilitating the folding of the auxiliary stair climbing vehicle when walking on flat ground by arranging a first electric telescopic rod and a second electric telescopic rod, reducing the floor area when walking on flat ground, facilitating the use, facilitating the adjustment of the inclination angle of a back plate and the main stair climbing vehicle by the second electric telescopic rod, facilitating the sitting on a seat plate, the foldable handle is arranged, the control panel is fixedly arranged on the handle, operation and control are convenient, and the foldable handle is convenient to use.

Description

Foldable electric stair climbing chair

Technical Field

The utility model relates to a climb building chair technical field, in particular to electronic building chair that climbs of collapsible type.

Background

The wheelchair has been used as a transportation tool for the old with defective bodies or the old, the weak, the sick, the disabled and the pregnant and the like who suffer from diseases for a long time, but brings great inconvenience to the life when the old, the weak, the sick, the disabled and the pregnant are resident in a building without an elevator and go upstairs and downstairs.

Therefore, the electric stair climbing chair has the advantages that great convenience is brought to people who cannot move conveniently when climbing stairs, but the existing stair climbing chair is poor in stability and small in contact surface with stairs when being used, slipping easily occurs when climbing stairs, safety performance is low, folding is not facilitated when the stair climbing chair travels on the flat ground, occupied space is large, and the stair climbing chair is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic stair chair of climbing of collapsible type to what provide among the above-mentioned background art is solving when climbing the building, and stability is relatively poor and when walking on the level land, the great problem of occupation space.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic building chair that climbs of collapsible type, climbs the building car including the owner, the main last surface rotation who climbs the building car installs the backplate, the main one end rotation who climbs the building car is installed vice climbing the building car, just one side of backplate articulates there is first electric telescopic handle, first electric telescopic handle's the end that stretches out articulates one side of vice climbing the building car, one side fixed mounting of backplate has the seat, just the lower extreme of seat articulates there is second electric telescopic handle, second electric telescopic handle's lower extreme with it is articulated mutually that the main building car of climbing, the upper portion of backplate is located the handle is all installed in the both sides of the top of seat to rotate.

Preferably, the breach has been seted up to one side of main stairs-mover, just fixed mounting has the horizontal pole on one side of the inside of breach, fixed mounting has first main articulated elements on the horizontal pole, just the lower surface intermediate position fixed mounting of backplate has the main articulated elements of second, second electric telescopic handle's both ends are rotated respectively and are installed on first main articulated elements and the main articulated elements of second, just the inside intermediate position fixed mounting of breach has the power supply box.

Preferably, the both sides of main building car of climbing are all fixed mounting have the fixed plate, the rotation hole has been seted up to the upper end intermediate position of fixed plate, just the backplate rotates to be installed the inside in rotation hole, the opening has been seted up to the other end of main building car of climbing, just the one end of vice building car of climbing rotates to be installed the inside of opening, the width of opening is less than the width of breach.

Preferably, one side fixed mounting of backplate has first vice articulated elements, just the upper surface one side fixed mounting of vice stair climbing car has the vice articulated elements of second, first electric telescopic handle's both ends respectively with first vice articulated elements with the vice articulated elements of second rotates mutually and connects.

Preferably, the opening of L type structure is all seted up to the upper end both sides of backplate, open-ended inside one side fixed mounting has the limiting plate, just open-ended inside lower surface intermediate position fixed mounting has a rotation piece, the one end of handle is rotated and is installed inside the opening rotate on the piece.

Preferably, a pedal plate is fixedly installed on one side of the seat plate, and the pedal plate is of an L-shaped structure.

Preferably, the bottom of the main stair climbing vehicle and the bottom of the auxiliary stair climbing vehicle are both provided with a cavity, the two ends of the cavity are respectively rotatably provided with a driving roller and a driven roller, a crawler belt is sleeved between the driving roller and the driven roller, a clamping block is uniformly and fixedly arranged on the crawler belt, an auxiliary roller is uniformly and rotatably arranged between the driving roller and the driven roller, one side of the driving roller is fixedly provided with a rotating gear, a driving motor is fixedly arranged on one side of the cavity of the main stair climbing vehicle, the output end of the driving motor is fixedly provided with a driving gear, the driving gear is meshed with the rotating gear, a shaft lever is rotatably arranged inside the opening, one end of the shaft lever is fixedly provided with a driven gear, the driven gear is meshed with the driving gear, and the middle position of the shaft lever is located in the area of the opening and is fixedly provided with a gear ring, and the middle of the shaft lever is positioned in the cavity inside the auxiliary stair climbing vehicle, and the gear ring is meshed with the rotating gear on the driving roller inside the auxiliary stair climbing vehicle.

Preferably, a control panel is fixedly mounted on one side of the upper surface of the handle, the power box is respectively located on the first electric telescopic rod, the second electric telescopic rod and the driving motor for supplying power, and the control panel is electrically connected with the first electric telescopic rod, the second electric telescopic rod and the driving motor.

Preferably, a steering gear is fixedly mounted on one side of the upper end in the cavity, and the driven gear is meshed with the driving gear through the steering gear.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with the main building car of climbing and vice building car of climbing, when climbing the building, main building car of climbing and vice building car of climbing are in on the same straight line, and then increase the area of contact of track and stair for joint piece joint on the track is in the edges and corners department of stair, better and the stair laminate mutually, and then is convenient for climb the building, and increases stability and security when climbing the building, convenient to use, convenient operation.

2. The utility model discloses a be equipped with first electric telescopic handle and second electric telescopic handle, and then when walking on the level land, be convenient for fold vice building vehicle that climbs, reduce area when walking on the level land, convenient to use, and second electric telescopic handle is convenient for adjust backplate and main inclination of climbing the building vehicle, and the personnel of being convenient for sit on the seat, are equipped with foldable handle, and control panel fixed mounting is on hand, is convenient for carry out operation control, facilitates the use.

3. The utility model discloses a be equipped with the axostylus axostyle, be equipped with on the axostylus axostyle from gear and ring gear, and then be convenient for make main building vehicle and vice building vehicle of climbing link for main building vehicle and the vice track slew velocity of climbing on the building vehicle of climbing are the same, are convenient for climb the building and use.

Drawings

Fig. 1 is a front view of the structure of the present invention when walking on flat ground.

Fig. 2 is a front view of the structure of the present invention when climbing stairs.

Fig. 3 is a schematic structural view of the main stair climbing vehicle of the present invention.

Fig. 4 is a front sectional view of the main stair climbing vehicle of the structure of the utility model.

In the figure: 1. a main stair climbing vehicle; 2. a back plate; 3. an auxiliary stair climbing vehicle; 4. a first electric telescopic rod; 5. a seat plate; 6. a second electric telescopic rod; 7. a handle; 8. a notch; 9. a cross bar; 10. a first primary hinge; 11. a second primary hinge; 12. a power supply box; 13. a fixing plate; 14. rotating the hole; 15. opening the gap; 16. a first secondary hinge member; 17. a second secondary hinge member; 18. an opening; 19. a limiting plate; 20. a rotating member; 21. a pedal plate; 22. a cavity; 23. a drive roller; 24. a driven roller; 25. a crawler belt; 26. a clamping block; 27. an auxiliary roller; 28. a rotating gear; 29. a drive motor; 30. a drive gear; 31. a shaft lever; 32. a slave gear; 33. a gear ring; 34. a control panel; 35. a steering gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an electronic building chair that climbs of collapsible type, including main stair-climbing car 1, the main upper surface that climbs stair-climbing car 1 rotates installs backplate 2, the main one end that climbs stair-climbing car 1 rotates installs vice stair-climbing car 3, and one side of backplate 2 articulates there is first electric telescopic handle 4, the end that stretches out of first electric telescopic handle 4 articulates in one side of vice stair-climbing car 3, one side fixed mounting of backplate 2 has seat 5, one side fixed mounting of seat 5 has pedal 21, and pedal 21 is L type structure, and the lower extreme of seat 5 articulates there is second electric telescopic handle 6, the lower extreme of second electric telescopic handle 6 articulates with main stair-climbing car 1 mutually, the both sides that the upper portion of backplate 2 is located the top of seat 5 all rotate and install handle 7.

A notch 8 is formed in one side of the main stair climbing vehicle 1, a cross rod 9 is fixedly mounted on one side inside the notch 8, a first main hinge component 10 is fixedly mounted on the cross rod 9, a second main hinge component 11 is fixedly mounted at the middle position of the lower surface of the back plate 2, two ends of a second electric telescopic rod 6 are respectively rotatably mounted on the first main hinge component 10 and the second main hinge component 11, a power box 12 is fixedly mounted at the middle position inside the notch 8, fixing plates 13 are fixedly mounted on two sides of the main stair climbing vehicle 1, a rotating hole 14 is formed in the middle position of the upper end of each fixing plate 13, the back plate 2 is rotatably mounted inside the rotating hole 14, a notch 15 is formed in the other end of the main stair climbing vehicle 1, one end of the auxiliary stair climbing vehicle 3 is rotatably mounted inside the notch 15, the width of the notch 15 is smaller than that of the notch 8, a first auxiliary hinge component 16 is fixedly mounted on one side of the back plate 2, and the upper surface one side fixed mounting of vice stairs-mover 3 has vice articulated elements 17 of second, the both ends of first electric telescopic handle 4 rotate with first vice articulated elements 16 and vice articulated elements 17 mutually respectively and are connected, the opening 18 of L type structure is all seted up to the upper end both sides of backplate 2, inside one side fixed mounting of opening 18 has limiting plate 19, and opening 18's inside lower surface intermediate position fixed mounting has a rotation piece 20, the one end of handle 7 is rotated and is installed on opening 18 inside rotation piece 20.

Cavities 22 are formed in the bottoms of the main stair climbing vehicle 1 and the auxiliary stair climbing vehicle 3, a driving roller 23 and a driven roller 24 are rotatably mounted at two ends of the cavity 22 respectively, a crawler 25 is sleeved between the driving roller 23 and the driven roller 24, clamping blocks 26 are uniformly and fixedly mounted on the crawler 25, an auxiliary roller 27 is uniformly and rotatably mounted between the driving roller 23 and the driven roller 24, a rotating gear 28 is fixedly mounted on one side of the driving roller 23, a driving motor 29 is fixedly mounted on one side of the interior of the cavity 22 of the main stair climbing vehicle 1, a driving gear 30 is fixedly mounted at the output end of the driving motor 29, the driving gear 30 is meshed with the rotating gear 28, a shaft lever 31 is rotatably mounted inside the notch 15, a slave gear 32 is fixedly mounted at one end of the shaft lever 31, the slave gear 32 is meshed with the driving gear 30, a steering gear 35 is fixedly mounted on one side of the upper end of the interior of the cavity 22, and the slave gear 32 is meshed with the driving gear 30 through the steering gear 35, the regional fixed mounting that the intermediate position of axostylus axostyle 31 is located opening 15 has gear ring 33, and the centre of axostylus axostyle 31 is located inside the cavity 22 of vice stairs-climbing car 3, gear ring 33 meshes with the rotating gear 28 on the inside drive roller 23 of vice stairs-climbing car 3 mutually, the upper surface one side fixed mounting of handle 7 has control panel 34, power supply box 12 is located first electric telescopic handle 4 respectively, second electric telescopic handle 6 and driving motor 29 supply power, and first electric telescopic handle 4 of control panel 34 electric connection, second electric telescopic handle 6 and driving motor 29.

Referring to fig. 1 and 4, when walking on a flat ground, the control board 34 controls the second electric telescopic rod 6 to contract, so that the second electric telescopic rod 6 is in a vertical state, so that the backrest 2 is in a vertical state, the seat plate 5 and the backrest 2 are in a vertical state, so that a person can conveniently sit on the seat plate 5, and the handle 7 is rotated, so that the handle 7 rotates along the rotating component 20 inside the opening 18, so that the handle 7 rotates out of the opening 18, so that the handle 7 and the back plate 2 are in a vertical state, so that the arm of the person can conveniently put on the handle 7, the limiting board 19 is arranged at the opening 18, so that the handle 7 is prevented from rotating to the other side of the back plate 2 when being folded, and when walking on the flat ground, the control board 34 closes the first electric telescopic rod 4, so that the first electric telescopic rod 4 contracts, so that the auxiliary stair climbing vehicle 3 rotates inside the opening 15 of the main stair climbing vehicle 1, and then one end of the auxiliary stair climbing vehicle 3 is folded upwards, so that the occupied space is reduced.

Open driving motor 29 through control panel 34, make driving motor 29 drive gear 30 and rotate, and drive gear 30 meshes with the running gear 28 on the drive roller 23 mutually, and then make drive gear 30 drive running gear 28 and rotate, make drive roller 23 rotate, and cup jointed track 25 on drive roller 23 and driven voller 24, and be equipped with joint piece 26 on the track 25, and then increase the frictional force of track 25 and ground, make track 25 walk subaerial, it is right to be convenient for the utility model discloses remove, and evenly rotate between driven voller 24 and drive roller 23 and install supplementary roller 27, support the intermediate position of track 25, make the intermediate zone of track 25 contact with ground, better right the utility model discloses remove, be convenient for the utility model discloses walk on the level land, facilitate the use.

Referring to fig. 2 and 4, when a stair climbing operation is required, the second electric telescopic rod 6 is opened according to the angle of the stair, so that the second electric telescopic rod 6 pushes the seat plate 5 to move upward, so that the back plate 2 rotates through the rotating hole 14 on the fixing plate 13, so that the back plate 2 and the seat plate 5 tilt on the main stair climbing vehicle 1, and the first electric telescopic rod 4 is opened, so that the first electric telescopic rod 4 pushes the auxiliary stair climbing vehicle 3 to rotate inside the opening 15 of the main stair climbing vehicle 1, so that the main stair climbing vehicle 1 and the auxiliary stair climbing vehicle 3 are in the same straight line, and the main stair climbing vehicle 1 and the auxiliary stair climbing vehicle 3 are both clamped at the edge of the stair through the clamping blocks 26 on the crawler 25, thereby preventing the utility model from slipping on the stair, and because the back plate 2 and the main stair climbing vehicle 1 are in a tilted state, so that the main stair climbing vehicle 1 and the auxiliary stair climbing vehicle 3 are in the stair climbing, the back plate 2 is vertical to the ground, so that people can sit on the seat plate 5 conveniently.

The driving motor 29 is started through the control panel 34, so that the driving motor 29 drives the driving gear 30 to rotate, the driving gear 30 is meshed with the rotating gear 28 on the driving roller 23, the driving gear 30 drives the rotating gear 28 to rotate, the driving roller 23 rotates, the driving roller 23 and the driven roller 24 are sleeved with the crawler 25, the crawler 25 is provided with the clamping block 26, the clamping block 26 is clamped with the edge angle of the stair, the slippage of the utility model on the stair is avoided, the movement of the utility model is convenient, the auxiliary roller 27 is uniformly rotatably arranged between the driven roller 24 and the driving roller 23, the middle position of the crawler 25 is supported, the utility model is convenient to walk on the stair, the shaft lever 31 is rotatably arranged inside the opening 15, the auxiliary gear 32 is arranged at one end of the shaft lever 31, the auxiliary gear 32 is meshed with the driving gear 30, and then make drive gear 30 drive to rotate from gear 31, make axostylus axostyle 31 rotate, and there is a ring gear 33 at the intermediate position fixed mounting of axostylus axostyle 31, ring gear 33 meshes with the inside rotating gear 28 of vice cart for climbing stairs 3 mutually, and then make the inside drive roller 23 of vice cart for climbing stairs 3 rotate, make the inside track 25 of vice cart for climbing stairs 3 rotate between drive roller 23 and driven voller 24, and then be convenient for the track 25 on the vice cart for climbing stairs 3 rotates on stair, and then increase the utility model discloses stability when climbing stairs, be convenient for climb the building and use.

The utility model discloses the theory of operation: when walking on the flat ground, the control board 34 controls the second electric telescopic rod 6 to contract, so that the second electric telescopic rod 6 is in a vertical state, the backrest 2 is in a vertical state, the seat plate 5 and the backrest 2 are in a vertical state, a person can conveniently sit on the seat plate 5, the handle 7 is rotated along the rotating part 20 inside the opening 18, the handle 7 is rotated out of the opening 18, the handle 7 and the back plate 2 are in a vertical state, arms of the person can conveniently put on the handle 7, the limiting plate 19 is arranged at the opening 18, the situation that the handle 7 rotates towards the other side of the back plate 2 when being folded is avoided, and when walking on the flat ground, the first electric telescopic rod 4 is closed through the control board 34, so that the first electric telescopic rod 4 contracts, and the auxiliary stair climbing vehicle 3 rotates inside the notch 15 of the main stair climbing vehicle 1 is avoided, and then one end of the auxiliary stair climbing vehicle 3 is folded upwards, so that the occupied space is reduced.

When climbing stairs, the second electric telescopic rod 6 is opened according to the angle of the stairs, so that the second electric telescopic rod 6 pushes the seat plate 5 to move upwards, the back plate 2 rotates through the rotating hole 14 on the fixing plate 13, so that the back plate 2 and the seat plate 5 tilt on the main stair climbing vehicle 1, and the first electric telescopic rod 4 is opened, so that the first electric telescopic rod 4 pushes the auxiliary stair climbing vehicle 3 to rotate inside the opening 15 of the main stair climbing vehicle 1, so that the main stair climbing vehicle 1 and the auxiliary stair climbing vehicle 3 are on the same straight line, and the main stair climbing vehicle 1 and the auxiliary stair climbing vehicle 3 are both clamped at the edge of the stairs through the clamping blocks 26 on the crawler 25, thereby avoiding the utility model from slipping on the stairs, and because the back plate 2 and the main stair climbing vehicle 1 are in a tilting state, further enabling the main stair climbing vehicle 1 and the auxiliary stair climbing vehicle 3 to climb the floor, the back plate 2 is perpendicular to the ground, so that the person can sit on the seat plate 5.

The driving motor 29 is started through the control panel 34, so that the driving motor 29 drives the driving gear 30 to rotate, the driving gear 30 is meshed with the rotating gear 28 on the driving roller 23, the driving gear 30 drives the rotating gear 28 to rotate, the driving roller 23 rotates, the driving roller 23 and the driven roller 24 are sleeved with the crawler 25, the crawler 25 is provided with the clamping block 26, the clamping block 26 is clamped with the edge angle of the stair, the sliding of the stair is avoided, the utility model is convenient to move, the auxiliary roller 27 is uniformly rotatably arranged between the driven roller 24 and the driving roller 23, the middle position of the crawler 25 is supported, the stair is convenient to walk on the utility model, the shaft lever 31 is rotatably arranged inside the opening 15, the driven gear 32 is arranged at one end of the shaft lever 31, and the driven gear 32 is meshed with the driving gear 30 through the steering gear 35, and then make drive gear 30 drive to rotate from gear 31, make axostylus axostyle 31 rotate, and there is a ring gear 33 at the intermediate position fixed mounting of axostylus axostyle 31, ring gear 33 meshes with the inside rotating gear 28 of vice cart for climbing stairs 3 mutually, and then make the inside drive roller 23 of vice cart for climbing stairs 3 rotate, make the inside track 25 of vice cart for climbing stairs 3 rotate between drive roller 23 and driven voller 24, and then be convenient for the track 25 on the vice cart for climbing stairs 3 rotates on stair, and then increase the utility model discloses stability when climbing stairs, be convenient for climb the building and use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an electronic stair chair of climbing of collapsible type, includes main stair-climbing car (1), its characterized in that: the upper surface that the owner climbed building car (1) rotates installs backplate (2), the main one end of climbing building car (1) rotates installs vice building car (3) of climbing, just one side of backplate (2) articulates there is first electric telescopic handle (4), the end that stretches out of first electric telescopic handle (4) articulates one side of vice building car (3) of climbing, one side fixed mounting of backplate (2) has seat (5), just the lower extreme of seat (5) articulates there is second electric telescopic handle (6), the lower extreme of second electric telescopic handle (6) with main building car (1) of climbing articulates mutually, the upper portion of backplate (2) is located the both sides of the top of seat (5) are all rotated and are installed handle (7).

2. The foldable electric stair climbing chair according to claim 1, wherein: breach (8) are seted up to one side of main stairs-mover (1), just the inside one side fixed mounting of breach (8) has horizontal pole (9), fixed mounting has first main articulated elements (10) on horizontal pole (9), just the lower surface intermediate position fixed mounting of backplate (2) has second main articulated elements (11), the both ends of second electric telescopic handle (6) are rotated respectively and are installed on first main articulated elements (10) and second main articulated elements (11), just the inside intermediate position fixed mounting of breach (8) has power supply box (12).

3. The foldable electric stair climbing chair according to claim 2, wherein: the equal fixed mounting in both sides of main building car (1) of climbing has fixed plate (13), rotation hole (14) have been seted up to the upper end intermediate position of fixed plate (13), just backplate (2) rotate to be installed the inside in rotation hole (14), opening (15) have been seted up to the main other end of climbing building car (1), just the one end of vice building car (3) of climbing is rotated and is installed the inside of opening (15), the width of opening (15) is less than the width of breach (8).

4. A foldable electric stair-climbing chair according to claim 3, wherein: one side fixed mounting of backplate (2) has first vice articulated elements (16), just the upper surface one side fixed mounting of vice stair climbing car (3) has the vice articulated elements of second (17), the both ends of first electric telescopic handle (4) respectively with first vice articulated elements (16) with the vice articulated elements of second (17) rotate mutually and connect.

5. The foldable electric stair climbing chair according to claim 4, wherein: opening (18) of L type structure are all seted up to the upper end both sides of backplate (2), the inside one side fixed mounting of opening (18) has limiting plate (19), just the inside lower surface intermediate position fixed mounting of opening (18) has a rotation piece (20), the one end of handle (7) is rotated and is installed inside opening (18) rotate on piece (20).

6. The foldable electric stair climbing chair according to claim 1, wherein: one side of the seat plate (5) is fixedly provided with a pedal plate (21), and the pedal plate (21) is of an L-shaped structure.

7. The foldable electric stair climbing chair according to claim 5, wherein: the main stair climbing vehicle (1) and cavity (22) have all been seted up to the bottom of vice stair climbing vehicle (3), just the inside both ends of cavity (22) rotate respectively and install drive roller (23) and driven voller (24), just drive roller (23) with track (25) have been cup jointed between driven voller (24), even fixed mounting has joint piece (26) on track (25), just drive roller (23) with evenly rotate between driven voller (24) and install auxiliary roller (27), one side fixed mounting of drive roller (23) has rotating gear (28), just the main stair climbing vehicle (1) inside one side fixed mounting of cavity (22) has driving motor (29), the output fixed mounting of driving motor (29) has drive gear (30), drive gear (30) with rotating gear (28) mesh mutually, and the inside rotation of opening (15) installs axostylus axostyle (31), the one end fixed mounting of axostylus axostyle (31) has from gear (32), from gear (32) with drive gear (30) meshing, the intermediate position of axostylus axostyle (31) is located the regional fixed mounting of opening (15) has gear ring (33), just the centre of axostylus axostyle (31) is located inside the vice car of climbing (3) inside cavity (22) inside, gear ring (33) with inside the vice car of climbing (3) on drive roller (23) the running gear (28) mesh mutually.

8. The foldable electric stair-climbing chair according to claim 7, wherein: the electric telescopic handle is characterized in that a control panel (34) is fixedly mounted on one side of the upper surface of the handle (7), the power box (12) is respectively located on the first electric telescopic rod (4), the second electric telescopic rod (6) and the driving motor (29) for supplying power, and the control panel (34) is electrically connected with the first electric telescopic rod (4), the second electric telescopic rod (6) and the driving motor (29).

9. The foldable electric stair-climbing chair according to claim 7, wherein: a steering gear (35) is fixedly mounted on one side of the upper end in the cavity (22), and the driven gear (32) is meshed with the driving gear (30) through the steering gear (35).