CN219440587U

CN219440587U - Rehabilitation training lifting stair

Info

Publication number: CN219440587U
Application number: CN202320800600.0U
Authority: CN
Inventors: 董昭; 张玮玮; 申庆超; 马明霞
Original assignee: Anyang Institute of Technology
Current assignee: Anyang Institute of Technology
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-01
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a rehabilitation training lifting stair which comprises a stair and a front-end platform, wherein the stair comprises a stair frame, the front-end platform is hinged with the front end of the stair frame, the stair frame is of a rectangular frame structure, a plurality of stair plates are sequentially arranged on the inner side of the frame from front to back, the right end of each stair plate is hinged with the right side frame of the stair frame, the left ends of the stair plates are respectively fixed with a rotating shaft, the rotating shafts are respectively connected with the left side frame of the stair frame in a rotating way, the rotating shafts are respectively fixed with a chain wheel, the chain wheels fixed on the two adjacent rotating shafts form chain transmission, the transmission ratio is that one of the transmission shafts is connected with a power driving device, the lower end of the front-end platform is provided with a height adjusting device, and handrails are respectively arranged on the front-end platform and the stair frame and are connected and driven by adjusting motor reducers to change front and back, so that the stair or slope changes are realized, and the requirements of rehabilitation training difficulties of different patients are met.

Description

Rehabilitation training lifting stair

Technical Field

The utility model relates to a rehabilitation training lifting stair, and belongs to the technical field of medical appliances.

Background

The patient with lower limb movement dysfunction carries out stair climbing training to be a common rehabilitation training mode, and the current stair rehabilitation training device generally adopts a stair plate lifting structure to adjust the height, so as to realize the change of the rehabilitation training difficulty, such as Chinese patent: lifting ladder equipment (CN 215691359U) for rehabilitation training is disclosed, the lifting drive device is configured on the scissor type lifting platforms to realize the adjustment of the height of stairs, but some patients need to lift the height of feet in early stage of rehabilitation training, the lifting ladder is suitable for walking training on a slope, meanwhile, the lifting part is adjusted in height by adopting smaller driving force, as the inclination angle of the stair part changes, the tail end of the lifting ladder is often moved on the ground in a dragging mode, the ground of a medical mechanism is destroyed, and meanwhile, the lifting adjustment mechanism needs lower force to realize the height adjustment.

Disclosure of Invention

The utility model aims at: the utility model provides a through motor reducer drive a plurality of stair board rotate realize forming slope or stair change, and adjust rear end stair inclination, handrail through two electric upright post lift adjustment front end platform height simultaneously can adapt to the rehabilitation training lift stair of altitude mixture change.

The technical scheme of the utility model is realized as follows: the utility model provides a rehabilitation training lift stair, includes stair 1, front end platform 4, stair 1 include stair tread 105, stair frame 110, front end platform 4 is articulated with stair frame 110 front end, stair frame 110 be rectangular frame construction, a plurality of stair tread 105 arrange in proper order in the frame inboard from the front to the back, stair tread 105 right-hand member articulates with stair frame 110's right side frame, stair tread 105 left end all is fixed a pivot 1051, pivot 1051 all rotates with stair frame 110's left side frame to be connected, pivot 1051 all is fixed with the sprocket, and the sprocket that fixes in two adjacent pivots forms chain drive, and the transmission ratio is 1, one of the transmission shaft is connected with power drive, front end platform 4 lower extreme is provided with height adjusting device, front end platform 4 and stair frame 110 on all be provided with the handrail.

Preferably, a supporting wheel 104 is fixed to the left and right sides of the rear end of the stair frame 110.

Preferably, the left and right ends of the stair board 105 are respectively provided with a downward extending boss 1052 extending downwards, the downward extending bosses 1052 on the right side of the stair board 105 are hinged with the right side frame of the stair frame 110, the downward extending bosses 1052 on the right side of the stair board 105 are respectively provided with a rotating shaft 1051, the middle part of each rotating shaft 1051 is rotatably arranged on the right side frame of the stair frame 110, the rotating shafts 1051 fixed at the front end of the stair board are connected with an output shaft of the motor reducer 2 through a chain transmission mechanism, and the motor reducer 2 is fixed on the stair frame 110.

Preferably, the lower end of the front end platform 4 is provided with a height adjusting device, which has the structure that: the left side and the right side of the lower end of the front end platform 4 are respectively fixed with the upper end of an electric lifting upright post 3, the lower end of the electric lifting upright post 3 is fixed on the ground, and the rear end of the front end platform 4 is hinged with the front end of the stair frame 110.

Preferably, the left side and the right side of the stair frame 110 are respectively fixed with the lower ends of the vertical connecting rods 103, the upper ends of the vertical connecting rods 103 are respectively fixed with the stair railing 102, the front end platform 4 is fixed with the lower ends of the front side supporting rods 402, the upper ends of the front side supporting rods are fixed with the front end railing 401, the front end railing 401 is in a backward toppling U shape, the U-shaped ends of the front end railing 401 are respectively hinged with the end parts of one telescopic rod 101, and the other ends of the telescopic rods 101 are in sliding connection with the inner holes at the rear ends of the corresponding side stair railing 102.

Preferably, the motor in the motor reducer 2 is a servo motor, and the motor band-type brake is in a locking state when the servo motor does not rotate.

Compared with the prior art, the utility model has the following advantages:

through adjusting motor reducer connection drive each stair board and carrying out the front and back height change, realize stair or slope change, adapt to the needs of different patient rehabilitation training degree of difficulty, realize each stair synchronous adjustment through a motor reducer and chain drive, solve about power drive part, reduce cost, two lift stand synchronous altitude mixture control, guarantee rehabilitation training in-process stability, the stair rear end sets up two supporting wheels and supports, reduces the resistance of lift stand altitude mixture control in-process.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the rehabilitation training up-down stairs.

Fig. 2 is a schematic diagram of the overall structure of the rehabilitation training lifting stair.

Fig. 3 is a schematic view of a structure in which four stair plates are connected by a chain transmission.

Fig. 4 is a schematic view of a stair tread end provided with a downwardly extending boss.

FIG. 5 is a schematic view of the connection of the two ends of the stair tread to the frame edges.

Reference numerals illustrate: 1-stairs, 2-motor reducer, 3-electric lifting upright post, 4-front end platform, 101-telescopic rod, 102-stair railing, 103-vertical connecting rod, 104-supporting wheel, 105-stair board, 1051-rotating shaft, 1052-downward extending boss, 106-duplex sprocket I, 107-driving sprocket, 108-duplex sprocket II, 109-duplex sprocket III, 110-stair frame, 111-sprocket IV, 401-front end railing and 402-front side supporting rod.

Description of the embodiments

Referring to fig. 1-5, the utility model relates to a rehabilitation training lifting stair, which comprises a stair 1, a motor reducer 2, an electric lifting upright post 3 and a front end platform 4, wherein the stair 1 comprises a telescopic rod 101, a stair railing 102, a vertical connecting rod 103, a supporting wheel 104, a stair plate 105, a duplex sprocket I106, a driving sprocket 107, a duplex sprocket II 108, a duplex sprocket III 109, a stair frame 110 and a sprocket IV 111, the upper and lower, front and rear, left and right directions of the stair are respectively defined when a rehabilitation training patient performs the upper and lower, front and rear, left and right directions of the stair, the upper end of the electric lifting upright post 3 is respectively fixed on the left and right sides of the lower end of the front end platform 4, the lower end of the electric lifting upright post 3 is fixed on the ground, and the rear end of the front end platform 4 is hinged with the front end of the stair frame 110.

The stair frame 110 is a rectangular frame structure, four stair boards 105 are sequentially arranged on the inner side of the frame from front to back, gaps exist between the four stair boards 105, downward extending bosses 1052 extending downwards are arranged at the left end and the right end of the stair boards 105, a hinge shaft is arranged at the position of the stair frame 110 corresponding to the downward extending bosses 1052 on the right side of the stair boards 105, the downward extending bosses 1052 on the right side of the stair boards 105 are rotatably connected with the hinge shaft at the corresponding position, the hinge shaft is horizontally arranged along the left-right direction, namely the downward extending bosses 1052 on the right side of the stair boards 105 are hinged with the right side frame of the stair frame 110, a rotating shaft 1051 is fixed at the downward extending bosses on the right side of the stair boards 105, a double sprocket 106 is rotatably arranged at the middle part of the right side frame of the stair frame 110, one sprocket of the double sprocket 106 and the driving sprocket 107 form chain transmission, the driving sprocket 107 is fixed on the output shaft of the motor reducer 2, the motor reducer 2 is fixed on the stair frame 110, the other sprocket of the first duplex sprocket 106 and one sprocket of the second duplex sprocket 108 form chain transmission, the second duplex sprocket 108 is fixed on the rotating shaft fixed by the second stair plate 105 with the front end facing backwards, the other sprocket of the second duplex sprocket 108 and one sprocket of the third duplex sprocket 109 form chain transmission, the third duplex sprocket 109 is fixed on the rotating shaft fixed by the third stair plate 105 with the front end facing backwards, the other sprocket of the third duplex sprocket 109 and the fourth sprocket 111 form chain transmission, the fourth sprocket 111 is fixed on the rotating shaft fixed by the stair plate 105 with the rear end, and the transmission ratio of the first duplex sprocket 106 to the second duplex sprocket 108, the second duplex sprocket 108 to the third duplex sprocket 109 and the fourth sprocket 111 is 1.

The left and right sides of the rear end of the stair frame 110 are respectively fixed with a supporting wheel 104.

The left side of stair frame 110 and right side frame fixed respectively vertical connecting rod 103's lower extreme, the stair railing 102 is all fixed to vertical connecting rod 103 upper end, front end platform 4 fixed front side bracing piece 402's lower extreme, front side bracing piece upper end fixed front end handrail 401, the U-shaped that front end handrail 401 leaned over backward, the U-shaped tip of front end handrail 401 articulates the tip of a telescopic link 101 respectively, the other end and the adjacent stair railing 102 rear end hole sliding connection of corresponding side of telescopic link 101.

The motor in the motor reducer 2 is a servo motor, and the motor band-type brake is in a locking state when the servo motor does not rotate, so that the motor is prevented from rotating when driven by external force.

When the lower limb movement function of the patient is weaker, the patient needs to carry out rehabilitation training along a slope, the electric lifting upright post 3 is controlled to synchronously lift by the same height, the rear end of the stair 1 moves back and forth through the supporting wheel 104, the motor band-type brake of the motor reducer 2 is controlled to be in a locking state, the stair plates 105 are high and low back and forth, the four stair plates form an inclined plane, the patient sequentially moves forward along the stair plates 105 at the rear end, the patient has a rest after reaching the front end platform 4 or turns around to carry out downhill rehabilitation training, according to the illness state of the patient, the foot of the patient can be lifted by a certain height, the motor reducer 2 is controlled to rotate, when the front and back heights of each stair plate are the same, the four stair plates form a step with a height change, the motor of the motor reducer 2 stops rotating, the brake is in a locking state, and the patient carries out the rehabilitation training of going up and down stairs.

Claims

1. The utility model provides a rehabilitation training lift stair which characterized in that: including stair (1), front end platform (4), stair (1) include stair tread (105), stair frame (110), front end platform (4) articulated with stair frame (110) front end, stair frame (110) be rectangular frame construction, a plurality of stair tread (105) are arranged in proper order in the frame inboard from front to the back, stair tread (105) right-hand member articulates with the right side frame of stair frame (110), all fixed pivot (1051) in stair tread (105) left end, pivot (1051) all rotates with the left side frame of stair frame (110) to be connected, pivot (1051) all are fixed with the sprocket, and the sprocket that fixes in two adjacent pivots forms chain drive, and the transmission ratio is 1, one of them is connected with power drive, front end platform (4) lower extreme is provided with height adjusting device, front end platform (4) and stair frame (110) on all be provided with the handrail.

2. The rehabilitation training lifting stairway according to claim 1, characterised in that: the left side and the right side of the rear end of the stair frame (110) are respectively fixed with a supporting wheel (104).

3. The rehabilitation training lifting stairway according to claim 1, characterised in that: the stair board (105) is controlled both ends and is all provided with the boss (1052) that stretches out downwards, and boss (1052) that stretches out downwards on stair board (105) right side all articulates with stair frame (110) right side frame, and boss (1052) all is fixed a pivot (1051) down on stair board (105) right side, and pivot (1051) middle part rotation is installed on stair frame (110) right side frame, and motor reducer (2) are fixed on stair frame (110) through chain drive mechanism connection motor reducer (2) output shaft in front end stair board fixed pivot (1051).

4. The rehabilitation training lifting stairway according to claim 1, characterised in that: the front end platform (4) lower extreme be provided with high adjusting device's structure does: the left side and the right side of the lower end of the front end platform (4) are respectively fixed with the upper end of an electric lifting upright post (3), the lower end of the electric lifting upright post (3) is fixed on the ground, and the rear end of the front end platform (4) is hinged with the front end of the stair frame (110).

5. The rehabilitation training lifting stairway according to any one of claims 1 to 4, characterised in that: the left side of stair frame (110) and right side frame fixed respectively the lower extreme of vertical connecting rod (103), stair railing (102) are all fixed to vertical connecting rod (103) upper end, front end platform (4) fixed front side bracing piece (402)'s lower extreme, front side bracing piece upper end fixed front end handrail (401), the U-shaped that front end handrail (401) was toppled over backward, the U-shaped tip of front end handrail (401) articulates the tip of a telescopic link (101) respectively, the other end and the corresponding side stair railing (102) rear end hole sliding connection of telescopic link (101).

6. A rehabilitation training lifting stairway according to claim 3, characterised in that: the motor in the motor speed reducer (2) is a servo motor, and the motor band-type brake is in a locking state when the servo motor does not rotate.