CN111920659A

CN111920659A - Adjustable walking aid

Info

Publication number: CN111920659A
Application number: CN202010919840.3A
Authority: CN
Inventors: 薛强; 韩小龙; 李敏
Original assignee: Tianjin University of Science and Technology
Current assignee: Tianjin University of Science and Technology
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-11-13

Abstract

The invention discloses an adjustable walking aid, which comprises a bottom frame, an angle adjusting mechanism fixedly arranged on the bottom frame, a rollover preventing mechanism fixedly arranged on the bottom frame, a stand column fixedly arranged on the bottom frame, a support frame fixedly arranged on the stand column, a power assisting mechanism fixedly arranged on the support frame, a handrail slidably arranged on the support frame and fixedly connected to the power assisting mechanism, a waist fixing mechanism slidably arranged on the handrail, a seat slidably arranged on the stand column and a backrest slidably arranged at the top end of the stand column. The adjustable walking aid is simple in structure, capable of providing assistance in the walking rehabilitation training process, high in adjustability and good in rehabilitation training effect.

Description

Adjustable walking aid

Technical Field

The invention relates to the technical field of rehabilitation appliances, in particular to an adjustable walking aid.

Background

At present, the aging speed of the population of China is accelerated, the number of disabled population is also rapidly increased, many old people and disabled people cannot independently finish walking action, the normal life of the old people and the disabled people is influenced, and the labor intensity of nursing personnel is increased. In addition, for the old people and the disabled with lower limb obstacles, the lower limb rehabilitation training can effectively delay the atrophy of muscles and joints of the lower limbs and maintain the walking ability of the old people and the disabled, so that the life quality of the old people and the disabled is improved.

At present, the walking aid can meet the basic requirements of walking rehabilitation training of a user in application, but most of the walking aid are rigidly supported, so that additional assistance cannot be provided for the user, and the rehabilitation training effect is not good enough; in addition, the existing walking aid is not good enough in adjustability and strong in adaptability. Therefore, it is necessary to develop an adjustable walking aid with the assistance function, good adjustability, strong adaptability, safety and reliability.

Disclosure of Invention

The invention aims to provide an adjustable walking aid aiming at the technical defects in the prior art.

The technical scheme adopted for realizing the purpose of the invention is as follows:

the utility model provides an adjustable walking aid, includes chassis, angle adjustment mechanism, prevents side turning mechanism, stand, support frame, assist drive device, handrail, waist fixed establishment, seat and back, angle adjustment mechanism fixed the setting the chassis on, the chassis on fixed be provided with prevent side turning mechanism, the stand fixed set up the chassis on, the support frame fixed set up the stand on, assist drive device fixed set up the support frame on, handrail slidable ground set up the support frame on, and with assist drive device fixed connection, waist fixed establishment slidable ground set up the handrail on, seat slidable ground set up the stand on, back slidable ground set up the stand top.

The chassis include two chassis front rods, two chassis rear rods, chassis horizontal pole, spacing, baffle, universal year wheel and crashproof wheel, the chassis front rod rotationally with the chassis rear rod connect, the chassis horizontal pole fixed the setting be in the chassis rear rod between, spacing fixed the setting be in chassis rear rod and chassis horizontal pole on, the baffle fixed set up chassis front rod below, universal year wheel fixed set up the chassis front rod with chassis rear rod below, crashproof wheel fixed set up the chassis front rod with chassis rear rod on.

Angle adjustment mechanism include first arc spacer, second arc spacer and set screw, first arc spacer with second arc spacer arrange with one heart, second arc spacer on the equidistance be provided with a plurality of screw holes, first arc spacer on be provided with set screw.

The anti-rollover mechanism comprises a connecting rod, an L-shaped outer pipe and a roller, the connecting rod is fixedly arranged on the underframe, the L-shaped outer pipe is slidably sleeved on the connecting rod, a plurality of threaded holes are formed in the connecting rod at equal intervals, a positioning screw is arranged on the L-shaped outer pipe, and the roller is rotatably arranged at the bottom of the L-shaped outer pipe.

The support frame comprises four first fixing rods, two C-shaped supporting pipes and two positioning screws, the four first fixing rods are symmetrically and fixedly arranged on two sides of the upright post in a pairwise mode, the two C-shaped supporting pipes are slidably arranged on the first fixing rods respectively, a plurality of threaded holes are formed in the first fixing rods at equal intervals, and the positioning screws are arranged on the C-shaped supporting pipes.

The power assisting mechanism comprises a transverse pipe, an underarm supporting rod and a power assisting spring, the transverse pipe is fixedly arranged on the supporting frame, the underarm supporting rod is rotatably arranged on the transverse pipe, and the power assisting spring is rotatably arranged between the underarm supporting rod and the transverse pipe.

The handrail comprises a second fixing rod, a first sliding tube, a handrail arm, a second sliding tube, a handle, a pipe clamp and a positioning screw, the second fixing rod is fixedly connected with the boosting mechanism, the first sliding tube is slidably arranged on the second fixing rod, a plurality of threaded holes are formed in the second fixing rod at equal intervals, the first sliding tube is provided with the positioning screw, the handrail arm is fixedly connected with the first sliding tube, the second sliding tube is fixedly arranged at the tail of the handrail arm and is slidably connected with the support frame, the first sliding tube is parallel to the axis of the second sliding tube, the handle is rotatably arranged on the handrail arm in a slidable mode, and the pipe clamp is used for fixing.

Waist fixed establishment include third slip pipe, two stand pipes, two guide bars, protect waist board, spring and set screw, third slip pipe slidable ground set up the handrail on, the handrail on equidistantly be provided with a plurality of screw holes, the third slip pipe on be provided with set screw, the stand pipe fixed set up the third slip pipe on, the stand bar slidable ground set up the stand pipe in, protect waist board with guide bar fixed connection, the spring fixed set up protect waist board with the third slip pipe between.

The seat include carriage, sleeve pipe and two set screws, carriage slidable ground set up the stand on, the stand on equidistantly be provided with a plurality of screw holes, the carriage on be provided with set screws, sleeve pipe slidable ground set up the carriage on, the carriage on equidistantly be provided with a plurality of screw holes, the sleeve pipe on be provided with set screws.

The back include backplate, two couples, two slide bars, two third dead levers, backplate frame and two set screws, backplate frame slidable ground set up the stand top, stand top equidistance be provided with a plurality of screw holes, the backplate frame on be provided with set screws, the third dead lever fixed set up the backplate frame on, slide bar slidable ground set up the third dead lever on, the third dead lever on the equidistance be provided with a plurality of screw holes, the slide bar on be provided with set screws, the backplate with slide bar fixed connection, the couple fixed set up the backplate both sides.

Compared with the prior art, the invention has the beneficial effects that:

the adjustable walking aid has the advantages of simple structure, coordinated movement and convenient operation, can meet the requirements of walking rehabilitation training of a user, and the assistance mechanism can reduce the load of lower limbs of the user when the user walks. The limiting frame and the waist fixing mechanism can ensure that a user keeps a correct walking posture. The backrest can prevent the user from leaning forward. The baffle, the anti-collision wheel and the anti-rollover mechanism improve the safety of the device. The angle adjusting mechanism of the bottom frame improves the stability of the device. The adjustable armrest improves the adaptability of the device. The seat improves the comfort of the device.

Drawings

FIG. 1 shows a front side view of an adjustable walker;

FIG. 2 shows a rear side view of the adjustable walker;

FIG. 3 is a schematic view of a chassis;

FIG. 4 is a schematic view of the support frame;

FIG. 5 is a schematic view of a boosting mechanism;

FIG. 6 is a schematic view of the armrest;

FIG. 7 is a schematic view of a lumbar fixation mechanism;

FIG. 8 is a schematic view of the cartridge;

fig. 9 shows a schematic view of the backrest.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in figures 1 and 2, the adjustable walking aid of the invention comprises a base frame 1, an angle adjusting mechanism 2 fixedly arranged on the base frame 1, a rollover prevention mechanism 3 fixedly arranged on the base frame 1, a stand column 4 fixedly arranged on the base frame 1, a support frame 5 fixedly arranged on the stand column 4, a power-assisted mechanism 6 fixedly arranged on the support frame 5, a handrail 7 slidably arranged on the support frame 5 and fixedly connected with the power-assisted mechanism 6, a waist fixing mechanism 8 slidably arranged on the handrail 7, a seat 9 slidably arranged on the stand column 4 and a backrest 10 slidably arranged at the top end of the stand column 4.

The adjustable walking aid has the walking assisting function, can reduce the load of the lower limbs of a user in the walking rehabilitation training process, and as shown in figures 1, 2, 4 and 5, the support frame 5 comprises four first fixing rods 51, two C-shaped support tubes 52 and two positioning screws 53; the power-assisted mechanism 6 comprises a transverse pipe 61, an underarm support rod 62 and a power-assisted spring 63; specifically, firstly, the nursing staff loosens the positioning screw 53, moves the C-shaped support tube 52 to two sides, clamps the armpit support rod 62 at the armpit after the user enters the walking aid, screws the positioning screw 53, and compresses the power spring 63 during the leg falling action after the user starts walking, so that the power spring 63 provides a certain power for the user during the leg lifting action, thereby improving the walking rehabilitation training effect.

Further, in order to ensure that the body of the user keeps symmetrical during the rehabilitation training process and the correct walking posture is maintained, the adjustable walking aid of the invention is provided with a limit frame 14 and a waist fixing mechanism 8, as shown in fig. 3 and 7, the waist fixing mechanism 8 comprises a third sliding pipe 81, two guide pipes 82, two guide rods 83, a waist protecting plate 84, a spring 85 and a positioning screw 86; first, the caregiver loosens the set screw 86, adjusts the third sliding tube 81 to a proper position, and then tightens the set screw 86, so that the upper body of the user is fixed between the waist support plates 84, and the waist support plates 84 can be slightly moved by the springs 85 without causing discomfort to the user due to being bound. The user's legs are constrained to move within the spacing frame 14.

Further, in order to ensure the safety of the user, the adjustable walking aid of the present invention is provided with a backrest 10, as shown in fig. 9, the backrest 10 comprises a back plate 101, two hooks 102, two sliding rods 103, two third fixing rods 104, a back plate frame 105, a positioning screw 106 and a positioning screw 107; firstly, the nursing staff loosens the positioning screws 107, screws the positioning screws 107 after adjusting the back plate frame 105 to a proper height, then loosens the positioning screws 106, screws the positioning screws 106 after adjusting the sliding rod 103 to a proper position, and puts on the chest strap by the user to connect the chest strap to the hook 102, so that accidents caused by forward leaning of the body in the walking process are avoided.

Further, in order to prevent the adjustable walking aid from turning over during the walking rehabilitation training process due to unstable center of gravity, the chassis 1 of the adjustable walking aid is provided with a rollover prevention mechanism 3, as shown in fig. 1 and 2, the rollover prevention mechanism 3 comprises a connecting rod 31, an L-shaped outer tube 32, a roller 33 and a positioning screw 34; the width of the rollover prevention mechanism can be increased by the set screw 34 engaging a different threaded hole.

Further, in order to avoid the injury of the user due to the rigid collision of the walker with the wall during the walking rehabilitation training, as shown in fig. 1, 2 and 3, the chassis 1 of the adjustable walker of the present invention is provided with anti-collision wheels 17.

Further, in order to prevent the user from accidentally getting under the base frame with his feet during the walking rehabilitation training, as shown in fig. 1, 2 and 3, the base frame 1 of the adjustable walking aid of the present invention is provided with a baffle 15.

Further, in order to improve the adaptability of the adjustable walker, the armrest 7 of the adjustable walker of the present invention can be freely adjusted, as shown in fig. 1, 2 and 6, the armrest 7 comprises a second fixing rod 71, a first sliding tube 72, an armrest arm 73, a second sliding tube 74, a grip 75, a pipe clamp 76 and a set screw 77. Firstly, the nursing staff loosens the positioning screw 77, adjusts the armrest arm 73 to a proper position and then tightens the positioning screw 77, the position of the armrest arm 73 is locked, then loosens the pipe clamp 76, rotates and extends the grip 75 to a proper position and then fixes the grip 75 by using the pipe clamp 76, thereby being suitable for users with different heights and weights.

Further, in order to improve the stability of the adjustable walker, the base frame 1 of the adjustable walker is provided with an angle adjusting mechanism 2, as shown in fig. 1, 2 and 3, wherein the angle adjusting mechanism 2 comprises a first arc-shaped positioning plate 21, a second arc-shaped positioning plate 22 and a positioning screw 23. Firstly, the nursing staff loosens the positioning screw 23, then rotates the chassis front rod 11 to drive the second arc-shaped positioning piece 22 to rotate, and screws the positioning screw 23 after the chassis front rod 11 is adjusted to a proper position, so that the chassis front rod 11 is locked relative to the chassis rear rod 12.

Further, in order to improve the comfort of the adjustable walker and to provide a better user experience, the adjustable walker according to the invention is provided with a seat 9, as shown in fig. 8, comprising a sliding frame 91, a sleeve 92, a set screw 93 and a set screw 94. First, the caregiver loosens the set screw 94, adjusts the carriage 91 to an appropriate height, then tightens the set screw 94, then loosens the set screw 93, adjusts the sleeve 92 to an appropriate position, then tightens the set screw 93, wraps the sponge pad around the sleeve 92, and the user can rest on the seat 9.

In conclusion, the adjustable walking aid disclosed by the invention is simple in structure, coordinated in movement and convenient to operate, the walking rehabilitation training requirements of a user can be met, and the load of the lower limbs of the user can be reduced by the aid of the power-assisted mechanism when the user walks. The limiting frame and the waist fixing mechanism can ensure that a user keeps a correct walking posture. The backrest can prevent the user from leaning forward. The baffle, the anti-collision wheel and the anti-rollover mechanism improve the safety of the device. The angle adjusting mechanism of the bottom frame improves the stability of the device. The adjustable armrest improves the adaptability of the device. The seat improves the comfort of the device.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an adjustable walking aid, its characterized in that includes chassis, angle adjustment mechanism, prevents side turning mechanism, stand, support frame, assist drive device, handrail, waist fixed establishment, seat and back, angle adjustment mechanism fixed the setting the chassis on, the chassis on fixed be provided with prevent side turning mechanism, the stand fixed set up the chassis on, the support frame fixed set up the stand on, assist drive device fixed set up the support frame on, handrail slidable ground set up the support frame on, and with assist drive device fixed connection, waist fixed establishment slidable ground set up the handrail on, seat slidable ground set up the stand on, back slidable ground set up the stand top.

2. The adjustable walker of claim 1 wherein the chassis comprises two chassis front bars, two chassis rear bars, chassis cross bars, a retaining bracket, a stop plate, a universal wheel, and anti-collision wheels, wherein the chassis front bars are rotatably connected to the chassis rear bars, the chassis cross bars are fixedly disposed between the chassis rear bars, the retaining bracket is fixedly disposed on the chassis rear bars and the chassis cross bars, the stop plate is fixedly disposed under the chassis front bars, the universal wheel is fixedly disposed under the chassis front bars and the chassis rear bars, and the anti-collision wheels are fixedly disposed on the chassis front bars and the chassis rear bars.

3. The adjustable walker of claim 1 wherein the angle adjustment mechanism comprises a first arcuate locating tab, a second arcuate locating tab and a set screw, the first arcuate locating tab and the second arcuate locating tab being concentrically disposed, the second arcuate locating tab being equidistantly spaced from one another with a plurality of threaded holes, the first arcuate locating tab being provided with a set screw.

4. The adjustable walker as claimed in claim 1 wherein the anti-rollover mechanism includes a connecting rod, an L-shaped outer tube and a roller, the connecting rod is fixedly disposed on the base frame, the L-shaped outer tube is slidably sleeved on the connecting rod, the connecting rod is equidistantly provided with a plurality of threaded holes, the L-shaped outer tube is provided with a set screw, and the roller is rotatably disposed at the bottom of the L-shaped outer tube.

5. The adjustable walker of claim 1 wherein the support frame comprises four first retaining rods, two C-shaped support tubes and two set screws, wherein the four first retaining rods are symmetrically fixed to two sides of the upright, the two C-shaped support tubes are slidably disposed on the first retaining rods, the first retaining rods are equidistantly provided with a plurality of threaded holes, and the C-shaped support tubes are provided with the set screws.

6. The adjustable walker of claim 1 wherein said booster mechanism comprises a cross tube, an underarm support bar and a booster spring, said cross tube being fixedly attached to said support frame, said underarm support bar being rotatably attached to said cross tube, said booster spring being rotatably attached between said underarm support bar and said cross tube.

7. The adjustable walker of claim 1 wherein the arm rest comprises a second fixed rod, a first sliding tube, a walker arm, a second sliding tube, a grip, a tube clamp and a set screw, the second fixed rod is fixedly connected with the power assisting mechanism, the first sliding tube is slidably arranged on the second fixed rod, a plurality of threaded holes are equidistantly arranged on the second fixed rod, a positioning screw is arranged on the first sliding tube, the armrest arm is fixedly connected with the first sliding pipe, the second sliding pipe is fixedly arranged at the tail part of the armrest arm, the first sliding pipe is connected with the supporting frame in a sliding way, the axis of the first sliding pipe is parallel to the axis of the second sliding pipe, the handle is rotatably and slidably arranged on the armrest arm and is fixed by the pipe clamp.

8. The adjustable walker of claim 1 wherein the lumbar support mechanism comprises a third sliding tube slidably disposed on the armrest having a plurality of threaded holes equidistantly disposed thereon, two guide rods slidably disposed on the third sliding tube, a lumbar support plate slidably disposed in the guide tubes, a spring fixedly attached to the guide rods, and a set screw fixedly disposed between the lumbar support plate and the third sliding tube.

9. The adjustable walker of claim 1 wherein the seat comprises a sliding frame slidably disposed on the upright, a sleeve having a plurality of threaded holes equidistantly disposed on the upright, and two set screws, wherein the sleeve slidably disposed on the sliding frame, a plurality of threaded holes equidistantly disposed on the sliding frame, and wherein the set screws are disposed on the sleeve.

10. The adjustable walker of claim 1 wherein the backrest comprises a back plate, two hooks, two sliding rods, two third securing rods, a back plate frame and two securing screws, wherein the back plate frame is slidably disposed on the top end of the upright post, a plurality of threaded holes are equidistantly formed in the top end of the upright post, the back plate frame is provided with the securing screws, the third securing rods are fixedly disposed on the back plate frame, the sliding rods are slidably disposed on the third securing rods, a plurality of threaded holes are equidistantly formed in the third securing rods, the sliding rods are provided with the securing screws, the back plate is fixedly connected to the sliding rods, and the hooks are fixedly disposed on two sides of the back plate.