CN211023896U

CN211023896U - Auxiliary walking device for old people

Info

Publication number: CN211023896U
Application number: CN201921741014.3U
Authority: CN
Inventors: 贾贺; 王雅静; 胡艳敏
Original assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Current assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-17
Anticipated expiration: 2029-10-16

Abstract

The auxiliary walking device for the aged comprises a base plate which can be turned backwards and is arranged at the upper end of a bottom plate; a lifting structure capable of controlling the seat plate to move up and down is arranged on the rear side of the upper end surface of the bottom plate; a first connecting rod capable of rotating back and forth is installed on the front side of the upper end surface of the bottom plate, and a second connecting rod capable of rotating upwards along with the first connecting rod when rotating downwards is installed on the right side of the first connecting rod; a large straight gear is arranged on the left side of the second connecting rod; the inner sides of the first connecting rod and the large straight gear are provided with control structures which can rotate along with the first connecting rod and the second connecting rod to drive the large straight gear to rotate in a single direction; the first connecting rod and the second connecting rod rotate up and down and rotate up and down in a cross motion mode, so that the balance ability of the old can be exercised, the seat plate can be lifted, and the height can be adjusted according to the condition of a user.

Description

Auxiliary walking device for old people

Technical Field

The utility model belongs to the technical field of medical equipment and specifically relates to a walking aid is assisted to old branch of academic or vocational study.

Background

The elderly patients need to frequently walk and exercise the lower limbs to improve the physical function and avoid the physical stiffness; the conventional auxiliary walking device for the aged is low in safety factor, easy to fall down, and difficult to find and train balance capability of a patient in the using process because the patient cannot leave the supervision of medical staff during exercise walking; some higher-grade walking aids are safe, but have higher requirements on the strength and flexibility of the lower limbs when the lower limbs are exercised.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's is not enough, provides the supplementary running gear of old branch of academic or vocational study, can provide the patient to old branch of academic or vocational study and sit and take exercise and replace the walking, is difficult for askew to provide the guarantee to patient's safety, can also adjust the height of seat, adapts to different patients, and the patient can be tempered according to the strength and the flexibility ratio of self low limbs when using, has solved the problem of mentioning in the above-mentioned background effectively.

In order to solve the above problems, the utility model adopts the following technical proposal:

the auxiliary walking device for the aged comprises a bottom plate, wherein a seat plate capable of being turned backwards is mounted at the upper end of the bottom plate; a lifting structure capable of controlling the seat plate to move up and down is arranged on the rear side of the upper end surface of the bottom plate; a first connecting rod capable of rotating back and forth is installed on the front side of the upper end surface of the bottom plate, and a second connecting rod capable of rotating upwards along with the first connecting rod when rotating downwards is installed on the right side of the first connecting rod; a large straight gear is arranged on the left side of the second connecting rod; and the inner sides of the first connecting rod and the large straight gear are provided with control structures which can rotate along with the first connecting rod and the second connecting rod to drive the large straight gear to rotate in a single direction.

Preferably, both ends surface rear side fixedly connected with backup pad about the bottom plate, the inboard sliding connection of backup pad has the U-shaped fixed plate, and both sides downside is articulated to have the telescopic link about the U-shaped fixed plate front end surface, and U-shaped fixed plate inboard surface upside articulates both ends surface rear side about the seat, and the telescopic link upper end articulates at seat lower extreme surface front side.

Preferably, the left side and the right side of the lower end surface of the U-shaped fixing plate are hinged with a scissor type telescopic structure, and the outer side of the lower end of the scissor type telescopic structure is hinged with the rear side of the upper end surface of the bottom plate; the rear end of the inner side of the lower end of the shear type telescopic structure is fixedly connected with a threaded cylinder, the inner wall of the threaded cylinder is in threaded connection with a bidirectional threaded rod, the left end of the bidirectional threaded rod is fixedly connected with a third bevel gear, the front side of the left end of the third bevel gear is meshed with a second bevel gear, and the rear end of the second bevel gear is coaxially and fixedly connected with a handle.

Preferably, the front end of the first connecting rod is fixedly connected with a first rotating shaft, the right side of the outer surface of the first rotating shaft is fixedly connected with a first incomplete bevel gear, the rear side of the right end of the first incomplete bevel gear is meshed with the first bevel gear, the front side of the right end of the first bevel gear is meshed with a second incomplete bevel gear, and the center of the second incomplete bevel gear is fixedly connected with a second rotating shaft; the surface of the right end of the first rotating shaft is fixedly connected with a U-shaped block, the right side of the surface of the front end of the U-shaped block is provided with a square hole, a first pawl is connected inside the square hole in a sliding mode, the outer side of the first pawl is meshed with a ratchet ring, the front side of the rear end of the ratchet ring is meshed with a second pawl, the front end of the second pawl is connected with a long block in a sliding mode, and the front end of the long block is fixedly connected to the outer surface of; the surface of the rear end of the ratchet ring is fixedly connected with a four-claw ring, and the circumferential surface of the four-claw ring is fixedly connected with a large straight gear; the center of the ratchet ring is rotatably connected with the outer surface of the second rotating shaft.

Preferably, the lower end belt of the large straight gear is connected with a long straight gear, and the rear end belt of the long straight gear is connected with a small straight gear; the bottom plate upper end surface front side is opened and is equipped with oblique cylinder through-hole, and the inside fixedly connected with cylinder section of thick bamboo of oblique cylinder through-hole, cylinder section of thick bamboo inner wall rotate and are connected with the handle, and handle lower extreme fixed surface is connected with the U-shaped frame, and the inboard rotation of U-shaped frame lower extreme is connected with the front wheel.

The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage:

supplementary running gear of old person can provide the altitude mixture control to the seat, adapts to different crowds, and the seat can also overturn, and some article can also be placed in the space between bottom plate and the seat, and the patient is when taking exercise, and both feet only need step on the running-board from top to bottom, and both feet do not matter how to step on the running-board by a wide margin and can make this device remove, and can also take exercise old man's balance ability, and whole device is with low costs, easy operation.

Drawings

Fig. 1 is the whole appearance schematic diagram of the auxiliary walking device for the aged.

Fig. 2 is the control structure diagram of the auxiliary walking device for the aged.

Fig. 3 is a rear view of the control structure of the walking aid for the aged.

Fig. 4 is a partial sectional view of the control structure of the walking aid for the elderly.

Fig. 5 is a mounting diagram of the ascending structure of the auxiliary walking device for the aged.

Fig. 6 is a frame diagram of the ascending structure of the walking aid device for old people of the present invention.

Fig. 7 is a partial enlarged view of the lifting structure of the auxiliary walking device for old people of the present invention.

Fig. 8 is a bottom view of the auxiliary walking device for old people of the present invention.

Reference numbers in the figures: 1-bottom plate, 2-supporting plate, 3-seat plate, 4-pedal plate, 5-first connecting rod, 6-handle, 7-big straight gear, 8-ratchet ring, 9-long block, 10-second pawl, 11-second incomplete bevel gear, 12-U block, 13-first bevel gear, 14-first incomplete bevel gear, 15-first rotating shaft, 16-long straight gear, 18-second rotating shaft, 19-four pawl ring, 20-first pawl, 21-spring, 22-handle, 23-shear type telescopic structure, 24-telescopic rod, 25-thread cylinder, 26-bidirectional threaded rod, 27-U-shaped fixing plate, 28-second bevel gear, 29-third bevel gear, 30-cylindrical cylinder, etc, 31-U-shaped frame, 32-front wheel, 34-small spur gear, 35-second connecting rod, 36-rear wheel.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-8, the utility model provides an auxiliary walking device for the elderly, which comprises a bottom plate 1, wherein a seat plate 3 which can be turned backwards is arranged at the upper end of the bottom plate 1; a lifting structure capable of controlling the seat plate 3 to move up and down is arranged on the rear side of the surface of the upper end of the bottom plate 1; a first connecting rod 5 capable of rotating back and forth is arranged on the front side of the upper end surface of the bottom plate 1, and a second connecting rod 35 capable of rotating upwards along with the first connecting rod 5 when rotating downwards is arranged on the right side of the first connecting rod 5; a large straight gear 7 is arranged on the left side of the second connecting rod 35; and a control structure which can rotate along with the first connecting rod 5 and the second connecting rod 35 to drive the large straight gear 7 to rotate in one direction is arranged on the inner sides of the first connecting rod 5 and the large straight gear 7.

The base plate 1 is a core bearing plate for supporting the whole device, and the seat plate 3 can be turned backwards by 90 degrees and is vertical to the seat plate 3; the lifting structure has a self-locking function, the lifting structure is used for controlling the seat plate 3 to be lifted or lowered, and when a person sits on the seat plate 3, the seat plate 3 cannot move downwards due to the gravity of the human body; running-board 4 is installed to first connecting rod 5 and the second connecting rod 35 outside, when the people sits on seat 3, both feet trample running-board 4, when left side running-board 4 downstream, left side running-board 4 can drive first connecting rod 5 and be circular motion, when first connecting rod 5 downstream is circular motion, control structure can make big spur gear 7 rotate backward, control structure can make second connecting rod 35 rotate upwards simultaneously, when second connecting rod 35 rotates downwards, control structure can make big spur gear 7 rotate backward after that, and can make first connecting rod 5 rotate upwards simultaneously.

Both ends surface rear side fixedly connected with backup pad 2 about

bottom plate

1, 2 inboard sliding connection of backup pad have U-shaped fixed plate 27, and both sides downside is articulated to have telescopic link 24 about U-shaped fixed plate 27 front end surface, and U-shaped fixed plate 27 inboard surface upside articulates both ends surface rear side about seat 3, and telescopic link 24 upper end articulates in seat 3 lower extreme surface front side.

The spout has been seted up to the 2 inboards of backup pad at both ends about, two limits slide in inside about U-shaped fixed plate 27 to restriction whole seat 3 can only reciprocate in backup pad 2 is inside, perhaps overturn backward, when seat 3 overturns backward, telescopic link 24 can extend, when seat 3 overturns downwards and bottom plate 1 is in the parallel, telescopic link 24 contracts to the shortest, can restrict flexible, thereby support seat 3, do not let seat 3 overturn downwards.

The left side and the right side of the surface of the lower end of the U-shaped fixing plate 27 are hinged with a scissor type telescopic structure 23, and the outer side of the lower end of the scissor type telescopic structure 23 is hinged with the rear side of the surface of the upper end of the bottom plate 1; the rear end of the inner side of the lower end of the scissor type telescopic structure 23 is fixedly connected with a threaded cylinder 25, the inner wall of the threaded cylinder 25 is in threaded connection with a bidirectional threaded rod 26, the left end of the bidirectional threaded rod 26 is fixedly connected with a third bevel gear 29, the front side of the left end of the third bevel gear 29 is engaged with a second bevel gear 28, and the rear end of the second bevel gear 28 is coaxially and fixedly connected with a handle 22.

Two first slide rails are arranged on the surface of the lower end of the U-shaped frame 31, the inner sides of the upper ends of the scissor type telescopic structures 23 are respectively connected inside the first slide rails in a sliding manner, two second slide rails are arranged on the rear side of the surface of the upper end of the base plate 1, and the inner sides of the lower ends of the scissor type telescopic structures 23 are connected inside the second slide rails in a sliding manner; the outer surface of the bidirectional threaded rod 26 is respectively provided with two sections of threads with equal length, opposite rotating directions and equal thread pitches, so that when the bidirectional threaded rod 26 rotates, the left and right threaded cylinders 25 synchronously move outwards and inwards respectively to enable the shear type telescopic structure 23 to rise or fall, and therefore the height of the seat plate 3 is adjusted, the left and right ends of the outer surface of the bidirectional threaded rod 26 are respectively and rotatably connected with bearing seats, the lower end surface of each bearing seat is fixedly connected to the upper end surface of the bottom plate 1, the centers of the second bevel gear 28 and the handle 22 are fixedly connected with rotating shafts, the outer surface of each rotating shaft is rotatably connected with the bearing seats; by rotating the handle 22, the handle 22 rotates to drive the second bevel gear 28 to rotate, the second bevel gear 28 rotates to drive the third bevel gear 29 to rotate, the third bevel gear 29 rotates to drive the bidirectional threaded rod 26 to rotate, the bidirectional threaded rod 26 rotates to enable the threaded cylinder 25 to move inwards or outwards, when the threaded cylinder 25 moves inwards, the threaded cylinder 25 drives the inner sides of the lower ends of the scissor type telescopic structures 23 to move inwards together, so that the U-shaped fixing plate 27 is lowered, and when the threaded cylinder 25 moves outwards, the threaded cylinder 25 drives the inner sides of the lower ends of the scissor type telescopic structures 23 to move outwards together, so that the U-shaped fixing plate 27 is raised.

The front end of the first connecting rod 5 is fixedly connected with a first rotating shaft 15, the right side of the outer surface of the first rotating shaft 15 is fixedly connected with a first incomplete bevel gear 14, the rear side of the right end of the first incomplete bevel gear 14 is meshed with a first bevel gear 13, the front side of the right end of the first bevel gear 13 is meshed with a second incomplete bevel gear 11, and the center of the second incomplete bevel gear 11 is fixedly connected with a second rotating shaft 18; the surface of the right end of the first rotating shaft 15 is fixedly connected with a U-shaped block 12, a square hole is formed in the right side of the surface of the front end of the U-shaped block 12, a first pawl 20 is connected in the square hole in a sliding mode, a ratchet ring 8 is meshed on the outer side of the first pawl 20, a second pawl 10 is meshed on the front side of the rear end of the ratchet ring 8, a long block 9 is connected at the front end of the second pawl 10 in a sliding mode, and the front end of the long block 9 is fixedly connected to the outer surface of a; the rear end surface of the ratchet ring 8 is fixedly connected with a four-jaw ring 19, and the circumferential surface of the four-jaw ring 19 is fixedly connected with a large straight gear 7; the ratchet ring 8 is rotatably connected to the outer surface of the second rotating shaft 18 at the center.

The front end of a second connecting rod 35 is fixedly connected to the right side of the outer surface of the second rotating shaft 18, a second square hole is formed in the lower end surface of the long block 9, a second pawl 10 is connected to the inner wall of the second square hole in a sliding mode, and the bottom end surfaces of the first pawl 20 and the second pawl 10 are fixedly connected with springs 21 respectively; the outer surfaces of the first rotating shaft 15 and the second rotating shaft 18 are respectively and rotatably connected with a bearing seat, and the bearing seats are fixedly connected to the front side of the upper end surface of the bottom plate 1; by stepping on the left pedal 4, the downward movement of the left pedal 4 drives the first connecting rod 5 to rotate downward, the downward rotation of the first connecting rod 5 drives the first rotating shaft 15 to rotate downward, the downward rotation of the first rotating shaft 15 drives the first incomplete bevel gear 14 to rotate backward, the backward rotation of the first incomplete bevel gear 14 drives the first bevel gear 13 to rotate through meshing, the rotation of the first bevel gear 13 drives the second incomplete bevel gear 11 to rotate upward through meshing, the upward rotation of the second incomplete bevel gear 11 drives the second rotating shaft 18 to rotate upward, the upward rotation of the second rotating shaft 18 drives the second connecting rod 35 to rotate upward, meanwhile, the backward rotation of the first rotating shaft 15 drives the U-shaped block 12 to rotate, the backward rotation of the U-shaped block 12 drives the first pawl 20 to rotate backward, and the backward rotation of the first pawl 20 drives the ratchet ring 8 to rotate backward, the ratchet ring 8 rotates backwards to slide with the second pawl 10 and to drive the four-jaw ring 19 and the big spur gear 7 to rotate together; on the contrary, when the first incomplete bevel gear 14 is meshed with the second bevel gear, the left pedal 4 is arranged at the lower end, the right pedal 4 is arranged at the upper end, the left pedal 4 is lifted by stepping on the right pedal 4, meanwhile, the second rotating shaft 18 rotates backwards to drive the long block 9 to rotate, the long block 9 rotates backwards to drive the second pawl 10 to rotate, the second pawl 10 rotates backwards to drive the ratchet ring 8 to rotate backwards through meshing, and the ratchet ring 8 rotates backwards to slide with the first pawl 20; when the first pawl 20 and the second pawl 10 respectively slide on the ratchet ring 8, the spring 21 is compressed and will be ejected when entering the next ratchet; the ratchet ring 8 rotates in one direction by repeatedly treading the pedal 4 up and down; the control structure has the advantages that the first connecting rod 5 and the second connecting rod 35 do up-and-down cross motion only by repeatedly stepping on the pedal 4, and the large spur gear 7 can rotate no matter how small the stepping amplitude is.

The lower end of the large straight gear 7 is connected with a long straight gear 16, and the rear end of the long straight gear 16 is connected with a small straight gear 34; an inclined cylindrical through hole is formed in the front side of the surface of the upper end of the bottom plate 1, a cylindrical barrel 30 is fixedly connected inside the inclined cylindrical through hole, a handle 6 is rotatably connected to the inner wall of the cylindrical barrel 30, a U-shaped frame 31 is fixedly connected to the surface of the lower end of the handle 6, and a front wheel 32 is rotatably connected to the inner side of the lower end of the U-shaped frame 31.

The centers of the small straight gear 34 and the long straight gear 16 are respectively and fixedly connected with a rotating shaft, the outer surfaces of the rotating shafts are respectively and rotatably connected with a bearing seat, the upper end surfaces of the bearing seats are respectively and fixedly connected to the bottom plate 1, and the left and the right of the small straight gear 34 are coaxially and fixedly connected with a rear gear 36; the front wheel 32 can be turned by rotating the handle 6, when the large straight gear 7 rotates, the long straight gear 16 can be driven to rotate, when the long straight gear 16 rotates, the small straight gear 34 can be driven to rotate, when the small straight gear 34 rotates, the rear wheel 36 can be driven to rotate, and when the rear wheel 36 rotates, the side trolley can move.

The utility model discloses when using, through turning handle 22, handle 22 rotates and can make seat 3 rise or reduce, adjusts suitable height, turns over seat 3 down, makes telescopic link 24 shrink to the shortest, and the user sits on seat 3, through stepping on running-board 4 from top to bottom on both feet, makes big spur gear 7 rotate, then 36 rotation sides of rear wheel can remove, through handle 22 direction of control.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.

Claims

1. Supplementary running gear of old branch of academic or vocational study, including bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is provided with a seat plate (3) which can be turned backwards; a lifting structure capable of controlling the seat plate (3) to move up and down is arranged on the rear side of the upper end surface of the bottom plate (1); a first connecting rod (5) capable of rotating forwards and backwards is installed on the front side of the upper end surface of the bottom plate (1), and a second connecting rod (35) capable of rotating upwards along with the first connecting rod (5) when rotating downwards is installed on the right side of the first connecting rod (5); a large straight gear (7) is arranged on the left side of the second connecting rod (35); and control structures which can rotate along with the first connecting rod (5) and the second connecting rod (35) to drive the large straight gear (7) to rotate in one direction are arranged on the inner sides of the first connecting rod (5) and the large straight gear (7).

2. The walking aid of the aged department as set forth in claim 1, wherein: both ends surface rear side fixedly connected with backup pad (2) about bottom plate (1), backup pad (2) inboard sliding connection have U-shaped fixed plate (27), and both sides downside is articulated to have telescopic link (24) about U-shaped fixed plate (27) front end surface, and both ends surface rear side is articulated about seat (3) to U-shaped fixed plate (27) inboard surface upside, and telescopic link (24) upper end articulates in seat (3) lower extreme surface front side.

3. The walking aid of the aged department as set forth in claim 2, wherein: the left side and the right side of the surface of the lower end of the U-shaped fixing plate (27) are hinged with a scissor type telescopic structure (23), and the outer side of the lower end of the scissor type telescopic structure (23) is hinged to the rear side of the surface of the upper end of the bottom plate (1); the rear end of the inner side of the lower end of the shear type telescopic structure (23) is fixedly connected with a threaded cylinder (25), the inner wall of the threaded cylinder (25) is in threaded connection with a bidirectional threaded rod (26), the left end of the bidirectional threaded rod (26) is fixedly connected with a third bevel gear (29), the front side of the left end of the third bevel gear (29) is meshed with a second bevel gear (28), and the rear end of the second bevel gear (28) is coaxially and fixedly connected with a handle (22).

4. The walking aid of the aged department as set forth in claim 1, wherein: a first rotating shaft (15) is fixedly connected to the front end of the first connecting rod (5), a first incomplete bevel gear (14) is fixedly connected to the right side of the outer surface of the first rotating shaft (15), a first bevel gear (13) is meshed with the rear side of the right end of the first incomplete bevel gear (14), a second incomplete bevel gear (11) is meshed with the front side of the right end of the first bevel gear (13), and a second rotating shaft (18) is fixedly connected to the center of the second incomplete bevel gear (11); the surface of the right end of the first rotating shaft (15) is fixedly connected with a U-shaped block (12), a square hole is formed in the right side of the surface of the front end of the U-shaped block (12), a first pawl (20) is connected inside the square hole in a sliding mode, a ratchet ring (8) is meshed outside the first pawl (20), a second pawl (10) is meshed on the front side of the rear end of the ratchet ring (8), a long block (9) is connected to the front end of the second pawl (10) in a sliding mode, and the front end of the long block (9) is fixedly connected to the outer surface of the second rotating shaft (18; the surface of the rear end of the ratchet ring (8) is fixedly connected with a four-jaw ring (19), and the circumferential surface of the four-jaw ring (19) is fixedly connected with a large straight gear (7); the center of the ratchet ring (8) is rotatably connected with the outer surface of the second rotating shaft (18).

5. The walking aid of the aged department as set forth in claim 4, wherein: the lower end of the large straight gear (7) is connected with a long straight gear (16), and the rear end of the long straight gear (16) is connected with a small straight gear (34); the front side of the surface of the upper end of the bottom plate (1) is provided with an oblique cylindrical through hole, a cylindrical barrel (30) is fixedly connected inside the oblique cylindrical through hole, the inner wall of the cylindrical barrel (30) is rotatably connected with a handle (6), the surface of the lower end of the handle (6) is fixedly connected with a U-shaped frame (31), and the inner side of the lower end of the U-shaped frame (31) is rotatably connected with a front wheel (32).