CN217245246U

CN217245246U - Climbing mechanism of stair climbing wheelchair

Info

Publication number: CN217245246U
Application number: CN202221107832.XU
Authority: CN
Inventors: 张登峰; 梁爽; 孙留; 张宝垒; 林玉屏
Original assignee: Huangshan University
Current assignee: Huangshan University
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-23
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to the technical field of stair climbing wheelchair equipment, and discloses a stair climbing wheelchair climbing mechanism, which comprises a wheelchair main body, moving wheels, pedals and crawler units, wherein the moving wheels are rotatably arranged at two sides of the wheelchair main body, the pedals are arranged at the front side of the wheelchair main body, the crawler units are arranged at the lower side of the wheelchair main body, handrails are arranged at two sides of the wheelchair main body, a control box is arranged at the lateral part of the handrail, a lateral climbing component is movably arranged at the lateral part of the control box, the lateral climbing component comprises a lateral climbing plate, a lateral wheel and a control device, the lateral climbing plate is movably arranged at the inner side of the control box, the lateral climbing plate is connected with the control device, the lateral wheel is rotatably arranged at the lateral part of the lateral climbing plate, the lateral wheel and the lateral climbing plate form a hook shape, a hook formed by the lateral wheel and the lateral climbing plate can hook a railing of a stair to assist climbing, so that climbing is more powerful, and the crawler belt at the lower part slips, the lateral climbing plate and the lateral wheel hook the railing, the user can not fall off, so that the climbing is more stable and safer.

Description

Climbing mechanism of stair climbing wheelchair

Technical Field

The utility model relates to a climb building wheelchair equipment technical field specifically is a climb building wheelchair climbing mechanism.

Background

Along with the development of society, people have higher and higher requirements on traveling, generally, the old and the disabled need to use the wheelchair for traveling, but when a single person travels, the person is relieved, and particularly in complex sections such as steps and stairs, and under the condition of complex terrains such as barriers and stairs, the walking function of the common wheelchair is insufficient.

At this stage, a wheelchair capable of going up and down stairs is available, see fig. 7, and the wheelchair is provided with an adjustable crawler belt under a seat, and when the wheelchair faces the stairs, a high-friction rubber crawler belt is in contact with the stairs to crawl. However, when going upstairs, the wheelchair needs larger power to climb, and is more dangerous compared with going downstairs, and if encountering stairs with water, the wheelchair is more inconvenient to climb; therefore, the existing requirements are not met, and a climbing mechanism of the stair climbing wheelchair is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a climb building wheelchair climbing mechanism, the beneficial effect who possesses has solved the above-mentioned among the background art when going up stairs that mentions, the wheelchair needs bigger power to climb, compares in the stair can be more dangerous down, if meet the stair that has water, climbs and can be more inconvenient problem.

The utility model provides a following technical scheme: the utility model provides a climb building wheelchair climbing mechanism, including the wheelchair main part, remove the wheel, footboard and crawler attachment, it rotates the both sides of installing in the wheelchair main part to remove the wheel, the front side in the wheelchair main part is installed to the footboard, crawler attachment installs the downside in the wheelchair main part, the handrail is installed to the both sides of wheelchair main part, the control box is installed to the handrail lateral part, control box lateral part movable mounting has the side to climb the subassembly, the subassembly is climbed including the side climbing board to the side, side wheel and controlling means, the side climbing board movable mounting is inboard at the control box, the side climbing board is connected with controlling means, the side wheel rotates to install at the side climbing board lateral part, the side wheel forms the hook type with the side climbing board.

As the utility model discloses a stair climbing wheelchair climbing mechanism alternative, wherein: the control device is arranged as a control rod, the control rod and the side climbing plate are rotatably installed, the side climbing plate is horizontally and transversely arranged, the control rod is horizontally and vertically arranged, the upper end of the control rod penetrates through the control box, and the handle is installed at the upper end of the control rod.

As the utility model discloses a stair climbing wheelchair climbing mechanism alternative, wherein: the flexible board is installed to the control box upside, and logical groove has been seted up to the top surface of flexible board and control box, control lever and logical groove swing joint.

As the utility model discloses a stair climbing wheelchair climbing mechanism alternative, wherein: the control box sets up to have the open-ended container in the outside, and the inboard of control box is rotated and is installed first leading wheel and second leading wheel, and first leading wheel and second leading wheel set up respectively in the both sides of board are climbed to the side, and first leading wheel and second leading wheel roll the laminating with the lateral wall of board is climbed to the side respectively.

As the utility model discloses a stair climbing wheelchair climbing mechanism alternative, wherein: the lateral part of board is climbed to the side rotates and installs first auxiliary wheel, and first auxiliary wheel rolls with the control box inner wall and laminates, first auxiliary wheel and second leading wheel block.

As the utility model discloses a stair climbing wheelchair climbing mechanism alternative, wherein: the end part of the side climbing plate is rotatably provided with a second auxiliary wheel, and the circle center of the second auxiliary wheel is overlapped with the axial lead of the control rod.

As the utility model discloses a stair climbing wheelchair climbing mechanism alternative, wherein: the side wheel alternates with the control box and is connected, and the lateral wall annular array of side wheel is provided with a plurality of sucking discs, and the sucking disc sets up to rubber suction cup.

As the utility model discloses a stair climbing wheelchair climbing mechanism alternative, wherein: the supporting wheel is installed to the dorsal part of wheelchair main part, and the supporting wheel includes link, mounting bracket and six rubber wheels, and the one end of link is articulated with the wheelchair main part, and the other end and the mounting bracket of link rotate to be connected, and six rubber wheels are three to set up in the both sides of mounting bracket for a set of symmetry, and a set of three rubber wheel is the annular array setting, and the rubber wheel rotates with the mounting bracket tip to be connected.

The utility model discloses possess following beneficial effect:

1. this climb building wheelchair climbing mechanism, through the setting of subassembly is climbed to the side, the user can change the position of side climbing board through the manipulation control pole when climbing stair, the side climbing board outwards stretches out, the railing of stair can be caught on to the hook that side wheel and side climbing board formed, for the helping hand that climbs, make to climb more forcefully, and the below track skids, the railing is caught on to side climbing board and side wheel, make the user can not fall, thereby make when climbing more stable safety.

2. This climb building wheelchair climbing mechanism, through the setting of sucking disc, when the side of stair is the wall rather than the railing, the side wheel rotates, and the sucking disc produces huge friction with the wall to help the wheelchair to climb, especially when the wall is the higher smooth surface of density, the sucking disc adsorbs with the wall, makes to climb and has pull, and the user is difficult to fall, thereby makes to stabilize safety more when climbing.

3. This climb building wheelchair climbing mechanism through the articulated supporting wheel of dorsal part at the wheelchair main part, when climbing, and the supporting wheel provides the support for the wheelchair main part at the rear for the user takes safelyr.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic view of the cross-sectional structure of the control box in a plan view.

Fig. 4 is the cross-sectional structure schematic diagram of the side climbing plate of the utility model when withdrawing.

Fig. 5 is a schematic view of the overlooking structure of the control box of the present invention.

Fig. 6 is a schematic structural view of the side wheel of the present invention.

Fig. 7 is a schematic diagram of the prior art structure of the present invention.

In the figure: 110. a wheelchair main body; 120. a moving wheel; 130. a crawler unit; 140. a handrail; 150. a support wheel; 151. a mounting frame; 152. a rubber wheel; 153. a connecting frame; 160. a pedal; 170. a control box; 180. a flexible board; 190. a side-climbing assembly; 191. laterally climbing plates; 192. a through groove; 193. a side wheel; 1931. a suction cup; 194. a first auxiliary wheel; 195. a first guide wheel; 196. a second guide wheel; 197. a control lever; 198. a second auxiliary wheel; 199. a handle.

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.

Example 1

In the present embodiment, it is intended to facilitate solving the problem that a wheelchair needs to climb with greater power when climbing stairs, which is more dangerous than when climbing stairs down, and is more inconvenient to climb when encountering stairs with water, please refer to fig. 1, 3, 4, and 5, a climbing wheelchair climbing mechanism includes a wheelchair main body 110, moving wheels 120, pedals 160, and crawler units 130, see fig. 1, the moving wheels 120 are rotatably installed on both sides of the wheelchair main body 110, the pedals 160 are installed on the front side of the wheelchair main body 110, the crawler units 130 are installed on the lower side of the wheelchair main body 110, handrails 140 are installed on both sides of the wheelchair main body 110, a control box 170 is installed on the side of the handrail 140, a side climbing assembly 190 is movably installed on the side of the control box 170, and the side climbing assembly 190 includes a side climbing plate 191, a side wheel 193, and a control device.

It should be noted that the track device 130 installed on the wheelchair main body 110 for going up and down stairs is a prior art known to those skilled in the art, and therefore, the detailed description thereof is omitted here.

When the device is specifically arranged, as shown in fig. 3 and 4, the side climbing plate 191 is movably arranged at the inner side of the control box 170, the side climbing plate 191 is connected with the control device, the side wheel 193 is rotatably arranged at the side part of the side climbing plate 191, and the side wheel 193 and the side climbing plate 191 are combined into a hook shape. And the side climbing plate 191 extends obliquely outwards so as to be convenient for extending out between the handrails of the stairs, thereby hooking the handrails.

The control device is set to be a control rod 197, the control rod 197 and the side climbing plate 191 are rotatably installed, the side climbing plate 191 is horizontally and transversely arranged, the control rod 197 is horizontally and vertically arranged, the upper end of the control rod 197 penetrates through the control box 170, and the handle 199 is installed at the upper end of the control rod 197.

Referring to fig. 5, the flexible plate 180 is mounted on the upper side of the control box 170, through slots 192 are formed in the top surfaces of the flexible plate 180 and the control box 170, and the control rod 197 is movably connected with the through slots 192.

The control box 170 is provided with a container with an opening at the outer side, a first guide wheel 195 and a second guide wheel 196 are rotatably arranged at the inner side of the control box 170, the first guide wheel 195 and the second guide wheel 196 are respectively arranged at two sides of the lateral climbing plate 191, and the first guide wheel 195 and the second guide wheel 196 are respectively in rolling fit with the side wall of the lateral climbing plate 191. A first auxiliary wheel 194 is rotatably mounted on the side portion of the side climbing plate 191, the first auxiliary wheel 194 is in rolling fit with the inner wall of the control box 170, and the first auxiliary wheel 194 is clamped with a second guide wheel 196. The end of the side climbing plate 191 is rotatably provided with a second auxiliary wheel 198, and the center of the second auxiliary wheel 198 is overlapped with the axis of the control rod 197.

A user holds the handle 199 to move the handle 199 forwards, the control rod 197 is limited by the through groove 192, the moving track of the control rod 197 is fixed, the side climbing plate 191 is driven by the control rod to move forwards, the side part of the side climbing plate 191 is attached to the first guide wheel 195 and the second guide wheel 196, so that the upper end part of the side climbing plate 191, namely the position of the side wheel 193, moves relative to the opening of the control box 170, when the side wheel 193 is exposed outside the control box 170, the lower end part of the side climbing plate 191 is just clamped with the second guide wheel 196, and meanwhile, the control rod 197 moves to the end part of the through groove 192, so that the side climbing plate 191 cannot move outwards any more; the crawler 130 continues to advance so that the side plates 191 and the side wheels 193 are released from the balustrade, and then the crawler can operate in reverse to retract the side plates 191 and then control the side plates 191 to extend to hook the next balustrade.

In this embodiment: the user can change the position of side climbing board 191 through manipulation control lever 197 when climbing stair, and side climbing board 191 stretches out outwards, and the railing of stair can be caught on to the hook that side wheel 193 and side climbing board 191 formed, for the helping hand that climbs for it is more powerful to climb, and the below track skids, and side climbing board 191 and side wheel 193 catch on the railing, make the user can not fall, thereby make when climbing more stable safety.

Example 2

The embodiment is intended to promote to solve the problem that sometimes the stair edge does not have a railing but is a wall, and the embodiment is an improvement made on the basis of embodiment 1, specifically, please refer to fig. 6, the side wheel 193 is inserted and connected with the control box 170, the annular array of the side wall of the side wheel 193 is provided with a plurality of suckers 1931, and the suckers 1931 are rubber suckers 1931.

In this embodiment: through sucking disc 1931's setting, when the side of stair was the wall rather than the railing, side wheel 193 rotated, and sucking disc 1931 produces huge friction with the wall to help the wheelchair to climb, especially when the wall is the higher smooth surface of density, sucking disc 1931 adsorbs with the wall, makes to climb and has the traction, and the user is difficult to fall, thereby makes when climbing more stable safety.

Example 3

The present embodiment is intended to facilitate solving the problem when there is no railing or wall on both sides of the staircase, and the present embodiment is an improvement made on the basis of embodiment 2, specifically, please refer to fig. 1-2, a support wheel 150 is installed on the back side of the wheelchair main body 110, the support wheel 150 includes a connecting frame 153, a mounting frame 151 and six rubber wheels 152, one end of the connecting frame 153 is hinged with the wheelchair main body 110, the other end of the connecting frame 153 is rotatably connected with the mounting frame 151, three of the six rubber wheels 152 are symmetrically arranged on both sides of the mounting frame 151 in a group, three rubber wheels 152 in a group are arranged in an annular array, and the rubber wheels 152 are rotatably connected with the end of the mounting frame 151.

In this embodiment: when climbing, the supporting wheels 150 provide support for the wheelchair main body 110 at the rear, and when the crawler belt device 130 drives the wheelchair main body 110 to move upwards, the rubber wheels 152 contact with the two-layer stairs to provide balance for the wheelchair main body 110 and a user, so that the user can take the wheelchair more safely.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A climbing mechanism of a stair climbing wheelchair, comprising a wheelchair main body (110), moving wheels (120), pedals (160) and crawler units (130), wherein the moving wheels (120) are rotatably installed at both sides of the wheelchair main body (110), the pedals (160) are installed at the front side of the wheelchair main body (110), and the crawler units (130) are installed at the lower side of the wheelchair main body (110), characterized in that: handrail (140) are installed to the both sides of wheelchair main part (110), control box (170) are installed to handrail (140) lateral part, control box (170) lateral part movable mounting has the side to climb subassembly (190), subassembly (190) is climbed including the side to board (191), side wheel (193) and controlling means to the side, board (191) movable mounting is climbed to the side is in control box (170) is inboard, board (191) is climbed to the side with controlling means connects, side wheel (193) rotate to be installed board (191) lateral part is climbed to the side, side wheel (193) with board (191) is climbed to the side and makes up into the hook type.

2. A stair climbing wheelchair climbing mechanism according to claim 1 wherein: controlling means sets up to control lever (197), control lever (197) with side climbing board (191) rotate the installation, side climbing board (191) are the horizontal setting, control lever (197) are the horizontal perpendicular setting, the upper end of control lever (197) is passed control box (170), handle (199) are installed to the upper end of control lever (197).

3. A stair climbing wheelchair climbing mechanism as claimed in claim 2 wherein: the flexible plate (180) is installed on the upper side of the control box (170), a through groove (192) is formed in the top surfaces of the flexible plate (180) and the control box (170), and the control rod (197) is movably connected with the through groove (192).

4. A stair climbing wheelchair climbing mechanism as claimed in claim 1 wherein: the control box (170) sets up to have the open-ended container in the outside, the inboard of control box (170) is rotated and is installed first leading wheel (195) and second leading wheel (196), first leading wheel (195) with second leading wheel (196) set up respectively the both sides of board (191) are climbed to the side, first leading wheel (195) with second leading wheel (196) respectively with the lateral wall roll laminating of board (191) is climbed to the side.

5. The climbing mechanism of a stair climbing wheelchair as claimed in claim 4, wherein: the lateral part of board (191) is climbed to the side rotates and installs first auxiliary wheel (194), first auxiliary wheel (194) with control box (170) inner wall rolls the laminating, first auxiliary wheel (194) with second leading wheel (196) block.

6. A stair climbing wheelchair climbing mechanism as claimed in claim 2 wherein: the end part of the lateral climbing plate (191) is rotatably provided with a second auxiliary wheel (198), and the circle center of the second auxiliary wheel (198) is overlapped with the axial lead of the control rod (197).

7. A stair climbing wheelchair climbing mechanism as claimed in claim 1 wherein: the side wheel (193) with control box (170) interlude is connected, the lateral wall annular array of side wheel (193) is provided with a plurality of sucking discs (1931), sucking disc (1931) set up to rubber suction cup (1931).

8. A stair climbing wheelchair climbing mechanism as claimed in claim 1 wherein: supporting wheel (150) are installed to the dorsal part of wheelchair main part (110), supporting wheel (150) are including link (153), mounting bracket (151) and six rubber wheels (152), the one end of link (153) with wheelchair main part (110) is articulated, the other end of link (153) with mounting bracket (151) are rotated and are connected, six rubber wheels (152) are three to be set up for a set of symmetry the both sides of mounting bracket (151), a set of three rubber wheels (152) are the setting of annular array, rubber wheels (152) with mounting bracket (151) tip rotates and is connected.