CN113081583A

CN113081583A - Multifunctional transfer walking aid

Info

Publication number: CN113081583A
Application number: CN202110386269.8A
Authority: CN
Inventors: 薛强; 吕竹妍; 焦梦丹
Original assignee: Tianjin University of Science and Technology
Current assignee: Tianjin University of Science and Technology
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-07-09

Abstract

The invention discloses a multifunctional transfer walking aid device, comprising an H-shaped base frame, a U-shaped handrail frame and a carrier wheel fixedly arranged on the base frame, an armrest adjustable on the handrail frame, and a fixed armrest. The anti-rollover mechanism arranged on the armrest, the opening and closing mechanism rotatably arranged on the bottom frame, the upright column rotatably arranged on the A sliding rail, an electric push rod fixedly arranged on the sliding rail, a sling frame fixedly arranged on the electric push rod, the sling frame is slidably arranged on the sliding rail at the same time, and is rotatable An angle adjustment mechanism arranged between the upright column and the sliding rail, a knee pad detachably arranged on the upright column and a footrest mechanism rotatably and fixedly arranged on the base frame. The multifunctional transfer and walking aid device of the invention can better help the elderly and hemiplegic patients to realize functions such as multi-directional transfer and rehabilitation walking aid training.

Description

Multifunctional transfer walking aid

Technical Field

The invention mainly relates to the technical field of medical rehabilitation appliances, in particular to a transfer device.

Background

In China, the proportion of the population of the old people is increased year by year, the number of the population of the old people is also increased continuously, and the number of patients with lower limb dysfunction, such as cerebral apoplexy and other cardiovascular and cerebrovascular diseases, and a plurality of paralyzed limbs, weak lower limbs, poor lower limb extension, unbalanced gravity center movement and the like caused by spinal injuries is very large, and the patients need to be transferred to toilets, outdoors and other places from beds or chairs in daily life. The transfer from sitting to standing to walking is very inconvenient and has a significant impact on the patient's daily life, essentially having to rely on the assistance of family members and caregivers.

Currently, the existing transfer devices have a single function in application, and the convenience and safety of the elderly and patients with lower limb disease are insufficient when in use. In addition, the existing transfer devices are not well adjustable and fixed. Therefore, there is an urgent need to solve the difficulties in their transfer and posture change processes, improve the quality of life of severely disabled persons, and reduce the labor intensity of accompanying persons. There is a need for a multifunctional transfer walker device that can perform a transfer from a sitting position to a standing position and also perform a walking exercise, and that has a convenient adjustment structure, functionality and safety.

Disclosure of Invention

The invention aims to provide a multifunctional transfer walking aid device which can integrate rehabilitation training tasks such as standing, transferring and assisting of old and weak people and people with lower limb dysfunction aiming at technical defects in the prior art.

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

the utility model provides a multi-functional transfer helps capable device, includes H type chassis, and fixed the setting is in U type on the chassis is held up hand rack and is carried the wheel, and adjustable setting is in handrail on the hand rack is fixed to be set up prevent side turning over mechanism on the handrail rotationally sets up opening and shutting mechanism on the chassis adjustably sets up stand on the chassis rotationally sets up slide rail on the stand is fixed to be set up electric putter on the slide rail is fixed to be set up hoist cable frame on the electric putter, set up simultaneously slidable on the slide rail, rotationally set up the stand with angle adjustment mechanism between the slide rail, detachably sets up knee pad on the stand is in with can rotationally fix the setting pedal mechanism on the chassis.

The H-shaped base frame comprises a transverse pipe, a left supporting leg and a right supporting leg which are rotatably arranged on the transverse pipe, the supporting legs comprise a front supporting pipe and a rear supporting pipe which can be inserted into the front supporting pipe in a sliding mode, wherein a positioning screw is arranged on the front supporting pipe, and a plurality of threaded holes are equidistantly formed in the rear supporting pipe.

The upright post comprises a bottom support square tube fixedly arranged on the H-shaped base frame and a sliding square tube which can be inserted into the bottom support square tube in a sliding mode, wherein a plurality of threaded holes are formed in the sliding square tube at equal intervals, and a positioning screw is arranged on the bottom support square tube.

The handrail comprises a handrail supporting rod fixedly arranged on the U-shaped handrail frame, a handrail rod inserted on the handrail supporting rod and a handrail sponge surrounding the handrail rod, wherein the handrail rod is provided with a plurality of threaded holes, and the handrail supporting rod is provided with a positioning screw.

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

The angle adjusting mechanism comprises a sliding circular tube which can be inserted into the supporting circular tube in a sliding mode, wherein the sliding circular tube is provided with a plurality of threaded holes at equal intervals, and the supporting circular tube is provided with positioning screws.

The opening and closing mechanism comprises a pedal rotatably arranged on the H-shaped underframe, a first connecting rod respectively rotatably arranged on the H-shaped underframe and the pedal, and a second connecting rod respectively rotatably arranged on the H-shaped underframe and the pedal.

The knee bolster comprises a sliding circular tube inserted on the supporting circular tube, a sliding plate with one end fixedly arranged on the sliding circular tube and the other end slidably arranged on the sliding plate, wherein the sliding circular tube is equidistantly provided with a plurality of threaded holes, the supporting circular tube is provided with a positioning screw, and the sliding plate is provided with a set screw.

The pedal mechanism comprises two hinge connecting pieces I fixedly arranged on the U-shaped armrest frame, two hinge connecting pieces II fixedly arranged on the pedal plate, a rotating shaft rotatably connected between the hinge connecting pieces I and the hinge connecting pieces II, and a supporting plate fixedly arranged on the H-shaped underframe, wherein a set screw is arranged on the hinge connecting pieces II.

The sling rack comprises a hook supporting rod inserted on the electric push rod connecting piece, two first transverse supporting tubes fixedly arranged on the electric push rod connecting piece, two second transverse supporting tubes fixedly arranged on the hook supporting rod, four transverse sliding rods respectively inserted on the first transverse supporting tube and the second transverse supporting tube, four hooks fixedly arranged on the four transverse sliding rods, and a hanging strip detachably arranged on the hooks, wherein the transverse sliding rods are equidistantly provided with a plurality of threaded holes, and the transverse supporting tubes are provided with positioning screws.

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

the multifunctional transfer walking aid device is simple in structure, coordinated in movement and convenient to operate, can meet the rehabilitation training requirements of users when the users sit, stand and walk, the power assisting mechanism can reduce the load of lower limbs of the users when the users walk, the knee pads can prevent the bodies of the users from inclining forwards, the knee pads can be detached and can be quickly detached or installed to provide larger walking space for the users, the safety of the device is improved by the brake wheels and the anti-rollover mechanism, the stability of the device is improved by the angle adjusting mechanism of the base, and the adaptability of the device is improved by the adjustable supporting rods and the armrests. The invention can realize multiple functions of transferring, recovering and assisting walking, etc., reduce the number of nursing personnel, lighten the nursing difficulty of the nursing personnel, help the old and the hemiplegic patient to carry out multi-directional transferring, recovering and assisting walking, prevent the atrophy of the muscle of the lower limb of the patient, improve the activity of the muscle of the lower limb and alleviate the pain caused by the paralysis of the patient.

Drawings

FIG. 1 is a front side view of the multi-function transfer device in a transfer state;

FIG. 2 is a rear side view of the multi-function transfer device in a transfer state;

FIG. 3 is a side view of the multi-functional transfer device in a transfer position and a sitting position;

FIG. 4 is a side view of the multi-function transfer device in a transfer position;

FIG. 5 is a side view of the multi-purpose transfer device in a walking assist configuration;

FIG. 6 is a partial view of the opening and closing mechanism of the multi-function transfer device;

FIG. 7 shows a partial view of a multi-functional transfer device knee pad assembly;

FIG. 8 is a partial view of the multi-function transfer device pedal mechanism.

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.

the multifunctional transfer walking aid device has a transfer state and a walking aid state, wherein the transfer state helps a user to complete sitting and standing conversion and movement of a bed to a toilet, a sofa, a wheelchair and other positions, and the walking aid state helps the user to walk and perform lower limb rehabilitation training. As shown in figures 1 and 2, the multifunctional transfer walker device of the invention comprises an H-shaped underframe 1, a U-shaped handrail frame 2 and a carrying wheel 3 which are fixedly arranged on the underframe, a handrail 4 adjustably arranged on the handrail frame, a rollover prevention mechanism 5 fixedly arranged on the handrail, an opening and closing mechanism 6 rotatably arranged on the underframe, a vertical post 7 adjustably arranged on the underframe, a slide rail 8 which is rotatablely arranged on the upright post, an electric push rod 9 which is fixedly arranged on the slide rail, a sling mount 10 which is fixedly arranged on the electric push rod, the sling mount is also glidingly arranged on the slide rail, an angle adjusting mechanism 11 rotatably arranged between the upright post and the slide rail, a knee pad 12 detachably arranged on the upright post and a pedal mechanism 13 rotatably and fixedly arranged on the underframe.

The multifunctional transfer walking aid device can help a user to finish the conversion from sitting to standing in a transfer state, and a mechanism and parts participating in the conversion from sitting to standing of the multifunctional transfer walking aid device comprise a pedal mechanism 13, a knee pad 12, an opening and closing mechanism 6, a slide rail 8, an electric push rod 9 and an angle adjusting mechanism 11. As shown in fig. 1, 2, 6, 7 and 8, the pedal mechanism 13 includes two first hinge joints 14, two second hinge joints 15, a rotation shaft 16, a pedal plate 17, a support plate 18; knee bolster 12 includes support tube 19, sliding tube 20, sliding plate 21, knee bolster support plate 22; the opening and closing mechanism 6 includes a pedal 23, a first link 24, a second link 25; the angle adjusting mechanism 11 comprises a supporting circular tube 26 and a sliding circular tube 27; specifically, as shown in fig. 2, 3, 4, 6, 7 and 8, firstly, a caregiver steps on the pedal mechanism 13 to adjust the opening and closing size of the bottom frame, drives the electric push rod 9 to adjust the sling frames 10 on the slide rails 8 to the position shown in fig. 3, pushes the multifunctional transfer walking aid device to the front of a patient, adjusts the handrails 4 to the proper position of the patient, puts the feet of the patient into the pedal mechanism 13, attaches the knees of the patient to the knee pads 12, hooks the sling frames 10 with the sling 28, ties the sling 28 on the patient, drives the electric push rod 9 to drive the sling frames 10 on the slide rails 8 to move, further drives the sling 28 to move, and helps the patient to sit on the table.

In the transfer process, the slide rail 8, the electric push rod 9 and the angle adjusting mechanism 11 can adjust the lifting height according to the heights of different people. As shown in fig. 1, the angle adjusting mechanism 11 includes a supporting circular tube 26 and a sliding circular tube 27, the sliding circular tube is slidably inserted into the supporting circular tube, a plurality of threaded holes are equidistantly formed in the sliding circular tube, a set screw is arranged on the supporting circular tube, the sliding circular tube 27 is pulled open by unscrewing the screw 28 with threads, the two threaded holes are aligned, and the screw 28 is tightened to expand or reduce the angle of the angle adjusting mechanism 11; the electric push rod 9 drives the slide rail 8 to move, and the angle is enlarged or reduced by combining the angle adjusting mechanism 11, so that the effect of lifting or lowering the height is achieved.

Furthermore, considering that when the patient sits, the sofa or the wheelchair has different heights and the difference of the heights of the upper body of different patients is larger, the adjustability of the multifunctional transfer walking aid device is increased, and the application range of the multifunctional transfer walking aid device is wider. As shown in fig. 1, the upright post 7 can be adjusted in a telescopic manner up and down. The upright post 7 comprises a bottom support square pipe 29 and a sliding square pipe 30, wherein the bottom support square pipe 29 is fixedly arranged on the H-shaped underframe 1, the sliding square pipe 30 is slidably inserted into the bottom support square pipe 29, a plurality of threaded holes are equidistantly formed in the sliding square pipe 30, and threaded holes and positioning screws 31 are formed in the bottom support square pipe 29. And unscrewing the positioning screws 31 on the upright columns, aligning the two positioning holes, screwing the screws 31, and finishing the vertical height adjustment so as to adapt to patients with different height requirements.

Meanwhile, the height of the armrest 4 can be adjusted according to the height of different patients. As shown in fig. 1, the handrail 4 is fixedly arranged on the H-shaped underframe 1 and comprises a handrail support rod 32, a handrail rod 33 and a handrail sponge 34, the handrail support rod 32 is fixedly arranged on the U-shaped handrail frame 2, the handrail rod 33 is inserted into the handrail support rod 34, the handrail sponge 34 surrounds the handrail rod 33, the handrail rod 33 is provided with a plurality of threaded holes, and the handrail support rod 32 is provided with threaded holes and positioning screws 35. And unscrewing the positioning screws 35 on the handrail, aligning the two positioning holes, screwing the screws 35, and completing up-and-down telescopic adjustment so as to adapt to patients with different requirements. In addition, the handrail sponge 34 is arranged on the handrail 33 to facilitate the gripping of the patient, so that the patient feels more comfortable when using the medical nursing bed.

Simultaneously, in order to adapt to the fat thin difference and the width of different wheelchairs between the different patients, improve the travelling comfort. The opening and closing mechanism 6 can adjust the width according to the fat and thin conditions of different patients. As shown in fig. 6, the opening and closing mechanism 6 includes a footrest 23, a first link 24, and a second link 25, the footrest 23 is rotatably provided on the H-shaped chassis 1, the first link 24 is rotatably provided on the H-shaped chassis 1 and the footrest 23, respectively, and the second link 25 is rotatably provided on the H-shaped chassis 1 and the footrest 23, respectively. The opening and closing mechanism 6 controls the opening and closing angle of the H-shaped underframe 1, thereby adapting to patients with different requirements.

Further, the H-shaped chassis 1 of the multi-functional transfer walker device of the present invention may also be varied in length in order to improve the stability of the multi-functional transfer walker device. As shown in fig. 2, the H-shaped chassis 1 comprises a cross tube 36, and a left support leg and a right support leg rotatably arranged on the cross tube, wherein the support legs comprise a front support tube 37 and a rear support tube 38 slidably inserted on the front support tube, a set screw 39 is arranged on the front support tube, and a plurality of threaded holes are equidistantly arranged on the rear support tube. The positioning screw 39 is loosened, the expansion amount of the rear supporting tube 38 can be adjusted, and then the positioning screw 39 is screwed to lock the length of the H-shaped chassis, so that the stability of the multifunctional transfer device is improved.

The multifunctional transfer walking aid device can help a user to finish walking aid and lower limb rehabilitation training in a walking aid state, and the mechanisms and parts participating in the walking aid of the multifunctional transfer walking aid device comprise a sliding rail 8, an electric push rod 9 and an angle adjusting mechanism 11, specifically, as shown in figures 1, 2, 5, 6, 7 and 8, a nursing staff firstly pushes the multifunctional transfer walking aid device to the front of a patient, adjusts the angle adjusting mechanism 11 to a proper angle, drives the electric push rod 9 to push the sliding rail 8 to a proper position, unscrews a fastening screw 40, removes a knee pad 12, unscrews the fastening screw 41 to fold and retract a pedal mechanism 13, places the feet of the patient on the ground, the patient can grasp a handrail 4 with both hands, the height of the handrail can be adjusted, a sling 28 for fixing the waist of the patient is hung at the tail end of a sling frame 10, drives the electric push rod 9 to drive the sling frame 10 on the sliding rail 8 to move, and then the sling 28 is driven to move, so that the patient is helped to sit to stand, the nursing staff adjusts the position of the sling mount 10 according to the body shape of the patient, then the patient is helped to sit on the sling 28, and the nursing staff slowly pushes the multifunctional transfer device, so that the walking aid and lower limb rehabilitation training of the patient are realized.

Further, in order to prevent the multifunctional transfer walking aid device from turning over during the walking aid process due to unstable center of gravity, the multifunctional transfer walking aid device of the invention is provided with a rollover prevention mechanism 5, as shown in fig. 2, the rollover prevention mechanism 5 comprises a connecting rod 42, an L-shaped outer tube 43 and a roller 44, the connecting rod 42 is fixedly arranged on the armrest 4, the L-shaped outer tube 43 is slidably sleeved on the connecting rod 42, the roller 44 is rotatably arranged at the bottom of the L-shaped outer tube 43, the connecting rod 42 is equidistantly provided with a plurality of threaded holes, and the L-shaped outer tube 43 is provided with a positioning screw 45. The width of the anti-rollover mechanism can be increased by matching the positioning screws 45 with different threaded holes, so that the safety is improved.

Furthermore, in the process of walking aid, considering that the height difference between different patients is large, in order to increase the adjustability, the invention has wider application range, the handrail 4 and the upright post 7 of the multifunctional transfer walking aid device can be adjusted according to the height required by different patients, and the operation method is the same as the adjustment mode of the handrail 4 and the upright post 7 in the transfer state.

In conclusion, the multifunctional transfer walking aid device can better help a user to realize various requirements of standing assistance, transfer, rehabilitation training and the like. Aiming at the old or the patients with lower limb dysfunction, such as paralysis of limbs, weakness of lower limbs, poor extension of the lower limbs, unbalanced movement of the center of gravity and the like caused by cardiovascular and cerebrovascular diseases, spinal injuries and the like, the posture change from a sitting posture to a standing posture and the transfer from a bed to a toilet, a sofa, a wheelchair and other multiple positions are conveniently carried out. The device is provided with the opening and closing mechanism, so that the width can be adjusted according to different fat and thin degrees of users or different widths of used wheelchairs, the width of the users can be better matched, and the user experience is more comfortable; a sliding rail and an electric push rod are arranged between the upright post and the hook connecting rod, so that the mutual switching between the transfer function and the rehabilitation training function can be conveniently realized; meanwhile, the knee bolster part adopting the detachable design can be quickly detached or installed, and the position of the knee bolster can be adjusted, so that the safety and the comfort of a user are better ensured; the invention can realize multiple functions of transferring, recovering and assisting walking, etc., reduce the number of nursing personnel, lighten the nursing difficulty of the nursing personnel, help the old and the patient to carry out multi-directional transferring, recovering and assisting walking, prevent the atrophy of the muscle of the lower limb of the patient, improve the activity of the muscle of the lower limb and alleviate the pain caused by the paralysis of the patient.

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 a multi-functional transfer helps capable device, its characterized in that, includes H type chassis, and fixed the setting is in U type on the chassis is held up hand rack and is carried the wheel, and adjustable setting is in handrail on the hand rack is fixed to be set up prevent side turning mechanism on the handrail, rotationally sets up opening and shutting mechanism on the chassis is adjustably set up stand on the chassis rotationally sets up slide rail on the stand is fixed to be set up electric putter on the slide rail is fixed to be set up hoist cable frame on the electric putter, hoist cable frame simultaneously slidable ground sets up on the slide rail, rotationally sets up the stand with angle adjustment mechanism between the slide rail, detachably sets up knee pad on the stand is in with can rotationally fix the setting pedal mechanism on the chassis.

2. The multifunctional transfer walker device as claimed in claim 1, wherein the H-shaped base comprises a cross tube, and left and right support legs rotatably mounted on the cross tube, wherein the support legs comprise a front support tube and a rear support tube slidably connected to the front support tube, wherein the front support tube is provided with a set screw, and the rear support tube is provided with a plurality of threaded holes at equal intervals.

3. The multifunctional transfer walker device as claimed in claim 1, wherein the upright comprises a bottom support square tube and a sliding square tube, the bottom support square tube is fixedly arranged on the H-shaped chassis, the sliding square tube is slidably inserted into the bottom support square tube, wherein the sliding square tube is provided with a plurality of threaded holes at equal intervals, and the bottom support square tube is provided with a set screw.

4. The multifunctional transfer walking aid device of claim 1, wherein the handrail comprises a handrail support rod, a handrail rod and a handrail sponge, the handrail support rod is fixedly arranged on the U-shaped handrail frame, the handrail rod is inserted into the handrail support rod, the handrail sponge surrounds the handrail rod, a plurality of threaded holes are formed in the handrail rod, and a positioning screw is arranged on the handrail support rod.

5. The multifunctional transfer walker device as claimed in claim 1, wherein the anti-rollover mechanism comprises a connecting rod, an L-shaped outer tube and a roller, the connecting rod is fixedly disposed on the armrest, the L-shaped outer tube is slidably sleeved on the connecting rod, the roller is rotatably disposed at the bottom of the L-shaped outer tube, wherein the connecting rod is provided with a plurality of threaded holes at equal intervals, and the L-shaped outer tube is provided with a set screw.

6. The multifunctional transfer walker device as claimed in claim 1, wherein the angle adjustment mechanism comprises a support tube and a sliding tube slidably inserted into the support tube, wherein the sliding tube has a plurality of threaded holes at equal intervals, and the support tube has a set screw.

7. The multifunctional transfer walker device of claim 1 wherein said opening and closing mechanism comprises a foot pedal, a first link, a second link, said foot pedal being rotatably mounted to said H-shaped chassis, said first link being rotatably mounted to said H-shaped chassis and said foot pedal, respectively, and said second link being rotatably mounted to said H-shaped chassis and said foot pedal, respectively.

8. The multifunctional transfer walker device as claimed in claim 1, wherein the knee bolster comprises a support tube, a sliding plate, and a knee bolster support plate, wherein the sliding tube is inserted into the support tube, one end of the sliding plate is fixed to the sliding tube, and the other end of the sliding plate is slidably disposed on the sliding plate, wherein the sliding tube is provided with a plurality of threaded holes at equal intervals, the support tube is provided with a set screw, and the sliding plate is provided with a set screw.

9. The multifunctional transfer walker device of claim 1 wherein said footrest mechanism comprises two first hinge members, two second hinge members, a pivot shaft, a footrest plate, and a support plate, said first hinge members being fixedly mounted to said U-shaped armrest frame, said second hinge members being fixedly mounted to said footrest plate, said pivot shaft being rotatably connected between said first hinge members and said second hinge members, said support plate being fixedly mounted to said H-shaped undercarriage, wherein said second hinge members are provided with set screws.

10. The multifunctional transfer walker device of claim 1 wherein the sling mount comprises a power push rod connector, a hook support rod, two first lateral support tubes, two second lateral support tubes, four lateral sliding rods, four hooks and a sling, wherein the hook support rod is connected to the power push rod connector, the two first lateral support tubes are fixedly disposed on the power push rod connector, the two second lateral support tubes are fixedly disposed on the hook support rod, the four lateral sliding rods are respectively connected to the first and second lateral support tubes, the four hooks are fixedly disposed on the four lateral sliding rods, the sling is detachably disposed on the hook, wherein the lateral sliding rods are equidistantly provided with a plurality of threaded holes, and a positioning screw is arranged on the transverse supporting tube.