CN211023583U

CN211023583U - Multifunctional auxiliary walking wheelchair

Info

Publication number: CN211023583U
Application number: CN201920942995.1U
Authority: CN
Inventors: 公为栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-07-17
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a multifunctional auxiliary walking wheelchair, which comprises a base, wherein a seat capable of randomly adjusting the included angle between the seat and the chair back is arranged above the base, the included angle between the seat and the chair back is adjusted by the driving of a seat adjusting device, a height adjusting device for driving the seat to adjust the height and an angle adjusting device for driving the seat to rotate integrally are respectively arranged above the base, and a moving driving device for driving the whole body to move is arranged below the base, the utility model can realize multiple functions of normal sitting walking, seat height adjusting, auxiliary walking, lying and the like, the four functions are integrated to cover the moving requirement of a user in daily life, and the user can control the whole body to move along with the step of walking by himself through the auxiliary walking function, thereby realizing the self-exercising walking ability of the user, can improve the rehabilitation training effect to overall structure is simple, and is light, and the function is perfect, convenient to use, and the security is high.

Description

Multifunctional auxiliary walking wheelchair

Technical Field

The utility model relates to a wheelchair, specific theory relates to a simple structure, convenient to use, and the function is perfect, and is safe, light, can diversely adjust the multi-functional supplementary walking wheelchair that forms multiple mode, belongs to wheelchair technical field.

Background

With the development of society, China has stepped into aging society, and by the end of 2017, the aged population of China over 60 years old reaches 2.41 billion and accounts for 17.3 percent of the total population, and with the increasing of aging population, the most remarkable characteristics are that the aged have poor eyesight, weak body, weak muscles and inconvenient walking, which seriously affect the quality of daily life of the aged, and the daily life of the aged also needs to be attended by people, in addition, China has a large proportion of patients with cerebrovascular diseases, which are usually accompanied by symptoms of hemiplegia and paraplegia and seriously affect the movement of lower limb limbs, medical researches show that after the condition of the cerebrovascular patients is stable, the damaged nervous system can be automatically repaired, but the natural recovery process is slow and difficult to recover, but effective rehabilitation training can lead the function of the nervous system to be recombined and compensated, and accelerate the repair of the nervous system, the patient is restored to exercise capacity.

In order to solve the problem of going out of the old and the patients with lower limb diseases, a walking wheelchair or a walking aid is needed, but the existing walking wheelchair or walking aid only increases the possibility of going out of the old and the patients with lower limb diseases for people with inconvenient legs and feet, the common wheelchair or walking aid still has great limitation, although the existing walking wheelchair or walking aid can solve the problem of moving, the height position is generally fixed, and a posture is kept all day by day, so that the walking aid is not beneficial to the physical and mental health of the handicapped, but the old and the sick people have to turn to other people if wanting to exercise, the function is too simple, the safety is not enough, and the high-end intelligent walking aid robot is too expensive and cannot be accepted by most of the old and the old.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide a simple structure, convenient to use, the function is perfect, and is safe, light, can diversely adjust the multi-functional supplementary walking wheelchair that forms multiple mode.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a multi-functional supplementary walking wheelchair, includes the base, and the base top is provided with the seat that can adjust contained angle between seat support and the back of the chair at will, and the contained angle between seat support and the back of the chair is adjusted by the drive of seat adjusting device, and the top of base is provided with respectively and is used for driving the seat to carry out the altitude mixture control's altitude mixture control device, has and is used for driving the seat to carry out whole pivoted angle adjusting device, and the below of base is provided with the removal drive arrangement who is used for driving the bulk.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

further optimization: the height adjusting device comprises a movable upright post arranged on the base, and a mounting seat is fixedly arranged at a position, which is positioned at the lower part of the middle part, of one side of the movable upright post.

Further optimization: the movable upright post is rotatably connected with the front end of the support frame fixedly arranged on the base through the mounting seat.

The integral shape of the support frame is further optimized to be ∠, after the movable upright post is connected with the support frame through the mounting seat in a rotating way, the front side of the lower end of the support frame is contacted with the movable upright post to form a fulcrum for resisting the movable upright post to rotate.

Further optimization: the inside activity of activity stand is provided with removes the seat, and the guide way has been seted up respectively to the both sides of activity stand, removes the both sides of seat and runs through the guide way respectively and with seat fixed connection.

Further optimization: the movable seat is driven by the movable seat driving assembly to move along the guide groove and drive the seat to move so as to adjust the height of the seat.

Further optimization: the seat adjusting device comprises seat adjusting motors respectively arranged at two sides of the rear of the seat back, the output ends of the seat adjusting motors are in transmission connection with the seat, and the seat adjusting motors output power to drive the seat to rotate so as to adjust the included angle between the seat and the seat back.

Further optimization: the angle adjusting device comprises an angle adjusting motor which is rotatably installed on the base, the output end of the angle adjusting motor is rotatably connected with the installation seat, and the connection position is located below the connection position of the installation seat and the supporting frame.

Further optimization: the mobile driving device comprises a rear wheel and a front wheel which are respectively arranged below the base, and the base is fixedly connected with a walking motor which respectively drives the rear wheel to rotate.

Further optimization: the seat is provided with a multipurpose safety belt for improving the use safety of the barrier, and the two sides of the seat close to the chair back are respectively and fixedly provided with handrails.

By adopting the technical scheme, when the chair is used, the initial state is the normal sitting and walking mode, and when the normal sitting and walking mode is needed, a user can control the output power of the seat adjusting motor to extend the output end by controlling the operation panel and the main controller, so as to drive the seat to rotate upwards, so that the included angle between the seat and the chair back is adjusted to 90 degrees, and the chair is convenient for the user to sit and stand;

and then the output end is extended out by the output power of the angle adjusting motor, the mounting seat is driven to rotate downwards around the joint of the mounting seat and the support frame, and the height adjusting device and the seat are rotated to be vertical to the ground, namely the normal sitting and walking mode is realized.

When a user sits on the seat and needs to adjust the height, the screw rod can be driven to rotate by the output power of the height adjusting motor, the screw rod rotates to drive the moving seat to move along the guide groove, and the moving seat moves to drive the seat to realize automatic height adjustment.

When a user needs to exercise the walking ability in the auxiliary walking mode, the output end is retracted by the output power of the seat adjusting motor to drive the seat to rotate downwards, so that the included angle between the seat and the chair back is adjusted to 180 degrees, namely the auxiliary walking mode;

then the user can adjust the height of the seat according to the height of the user to enable the armrests of the seat to be placed under the armpits of the user for supporting the body of the user, and the body of the user can be prevented from leaning forward through the multipurpose safety belt, so that the safety can be improved;

then the user can control the walking motor to output power along with the step of walking and integrally move forward by the rear wheel, so that the user can exercise the walking ability.

When a user needs to have a rest in a lying mode, the included angle between the seat and the chair back is adjusted to be 180 degrees through the seat adjusting device, then the output power of the angle adjusting motor is controlled to enable the output end to stretch out, the mounting seat is driven to upwards rotate around the connecting position of the mounting seat and the supporting frame, and the height adjusting device and the seat are enabled to rotate to be parallel to the ground, namely the lying mode.

The utility model discloses think about ingenious, rational in infrastructure, can realize normally sitting and walk, multiple functions such as seat altitude mixture control, supplementary walking, lie, four kinds of function integrations have covered the user to the demand of removal in daily life to through supplementary walking function, the user can take a step along with oneself and control whole the marching forward, realize that the user can self temper the walking ability, can improve the rehabilitation training effect, and overall structure is simple, and is light, the function is perfect, high durability and convenient use, and the security is high.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic structural view of the embodiment of the present invention in a normal sitting and walking mode;

FIG. 3 is a structural schematic of the base in the embodiment of the present invention;

fig. 4 is a schematic structural view of a height adjusting device according to an embodiment of the present invention;

FIG. 5 is a schematic structural view illustrating the height adjustment of the seat according to the embodiment of the present invention;

fig. 6 is a schematic structural view of the embodiment of the present invention in the auxiliary walking mode;

fig. 7 is a schematic structural view of another view angle in the auxiliary walking mode according to the embodiment of the present invention;

fig. 8 is a schematic structural view of the embodiment of the present invention in the lying mode;

fig. 9 is a schematic structural view of another perspective in the lying mode according to the embodiment of the present invention;

in the figure: 1-a base; 11-the main frame; 12-a scaffold; 13-a support frame; 2-a seat; 21-chair back; 22-a seat; 23-a multipurpose safety belt; 24-a handrail; 25-control operation panel; 26-a foot pedal; 3-a seat adjustment device; 31-seat adjustment motor; 32-a connecting plate; 4-height adjustment means; 41-movable upright post; 42-a mounting seat; 43-a mobile seat; 44-a guide groove; 45-lead screw; 46-a height adjustment motor; 47-adjusting the speed reducer; 5-an angle adjustment device; 51-an angle adjustment motor; 6-a movement drive; 61-rear wheel; 62-a walking motor; 63-a walking speed reducer; 64-front wheel.

Detailed Description

Example (b): as shown in fig. 1-2, a multifunctional walking-assisted wheelchair comprises a base 1, a seat 2 capable of randomly adjusting an included angle between a seat 22 and a backrest 21 is arranged above the base 1, the included angle between the seat 22 and the backrest 21 is adjusted by being driven by a seat adjusting device 3, a height adjusting device 4 for driving the seat 2 to perform height adjustment and an angle adjusting device 5 for driving the seat 2 to integrally rotate are respectively arranged above the base 1, and a moving driving device 6 for driving the base 1 to integrally move is arranged below the base 1.

One end of the chair seat 22, which is close to the chair back 21, is rotatably connected to form the chair 2.

As shown in fig. 1-3, the overall structure of the base 1 includes a main frame 11, the front sides of the two ends of the main frame 11 are fixedly connected with brackets 12, respectively, and a support frame 13 having an overall shape of "∠" is fixedly disposed at the middle position of the main frame 11 on the main frame 11.

Design like this, make base 1's overall structure accord with engineering mechanics principle, make base 1's overall structure more firm, support intensity is big to overall structure is simple, and convenient to use can effectually alleviate whole weight, makes wholly more light.

As shown in fig. 1-3, the movement driving device 6 includes rear wheels 61 disposed below two ends of the main frame 11, a walking motor 62 for respectively driving the two rear wheels 61 to rotate is fixedly connected to the main frame 11, and output ends of the walking motor 62 are respectively in transmission connection with rotating shafts of the rear wheels 61 through walking reducers 63, so as to drive the rear wheels 61 to rotate to drive the base 1 to move integrally.

The front ends of the two brackets 12 are fixedly connected with front wheels 64 respectively.

Design like this, can support base 1 through rear wheel 61 and front wheel 64 contact ground and realize removing, overall structure accords with engineering mechanics principle to walking motor 62 can drive rear wheel 61 through walking reduction gear 63 and rotate, and then drives the whole automatic removal that realizes of base 1.

When the two traveling motors 62 synchronously rotate to drive the rear wheels 61 to rotate, the base 1 is driven to move forwards or backwards integrally.

When the rotation speeds of the two walking motors 62 are controlled to be different to drive the rear wheel 61 to rotate, the whole driving base 1 is driven to turn through the differential rotation between the two walking motors 62.

As shown in fig. 1-2 and 4, the height adjusting device 4 includes a movable upright 41 disposed on the base 1, and a mounting seat 42 is fixedly disposed at a position below the middle of one side of the movable upright 41.

The movable upright 41 is rotatably connected with the front end of the support frame 13 through a mounting seat 42.

The mounting seat 42 is rotatably connected with the front end of the support frame 13 through a bolt fastener or a pin shaft.

After the movable upright 41 is rotatably connected with the support frame 13 through the mounting seat 42, the front side of the lower end of the support frame 13 is in contact with the movable upright 41 to form a fulcrum for abutting against the movable upright 41 for rotation.

The design accords with the engineering mechanics principle, can effectually prevent that movable upright 41 from continuing to rotate backward around mount pad 42 and support frame 13 rotation junction, and then can inject movable upright 41's position.

The inside activity of activity stand 41 is provided with removes seat 43, and the guide way 44 has been seted up respectively to the both sides of activity stand 41, and the both sides of removing the seat 43 run through guide way 44 respectively and with seat 2 fixed connection.

The movable seat 43 is driven by the movable seat driving assembly to move along the guide groove 44 and drive the seat 2 to move, so that the height of the seat 2 is adjusted.

Remove seat drive assembly including rotating the inside lead screw 45 that sets up along activity stand 41 length direction of installation activity stand 41, remove seat 43 and lead screw 45 threaded connection, lead screw 45 rotates and drives and remove seat 43 and remove.

The movable upright post 41 is fixedly provided with a height adjusting motor 46 for driving the screw rod 45 to rotate, and the output end of the height adjusting motor 46 is in transmission connection with the screw rod 45 through an adjusting speed reducer 47.

As shown in fig. 1-2 and fig. 5, the design is such that the height adjustment motor 46 can output power and the lead screw 45 is driven to rotate by the adjusting reducer 47, the lead screw 45 rotates to drive the movable seat 43 to move along the guide groove 44, and the movable seat 43 moves to drive the seat 2 to realize automatic height adjustment.

As shown in fig. 1-2 and fig. 6-7, the seat adjusting device 3 includes seat adjusting motors 31 respectively disposed at two sides of the rear of the seat back 21, output ends of the seat adjusting motors 31 are respectively movably connected with connecting plates 32, and one end of each connecting plate 32 far away from the seat adjusting motor 31 is fixedly connected with the seat 22.

The seat adjusting motor 31 is a push rod motor, is purchased from the market, belongs to the prior art, and has the working principle that the direct current motor is utilized to rotate positively and negatively and the output end of the direct current motor is driven to stretch through a reduction gear.

By the design, the included angle between the seat 22 and the backrest 21 can be adjusted by the power output by the seat adjusting motor 31, and when the output end of the seat adjusting motor 31 is driven to retract, the seat 22 is driven to rotate downwards, so that the included angle between the seat 22 and the backrest 21 is adjusted to 180 degrees, namely the auxiliary walking mode;

when the output end of the seat adjusting motor 31 is driven to extend out, the seat 22 is driven to rotate upwards, so that the included angle between the seat 22 and the backrest 21 is adjusted to 90 degrees, namely, the normal sitting and walking mode is obtained.

As shown in fig. 1-3 and 8-9, the angle adjusting device 5 includes an angle adjusting motor 51 rotatably mounted on the main frame 11 and located in the middle of the main frame 11, an output end of the angle adjusting motor 51 is rotatably connected to the mounting seat 42, and the connection is located below the connection between the mounting seat 42 and the support frame 13.

The angle adjusting motor 51 is a push rod motor, is purchased from the market, belongs to the prior art, and has the working principle that the direct current motor is utilized to rotate forwards and reversely, and the output end of the direct current motor is driven to stretch through a reduction gear.

By the design, the angle adjusting motor 51 can output power to drive the mounting seat 42 to rotate around the joint of the mounting seat 42 and the support frame 13, so as to drive the height adjusting device 4 and the seat 2 to rotate;

when the angle adjusting motor 51 outputs power to extend the output end, the mounting seat 42 can be driven to rotate upwards around the joint of the mounting seat 42 and the support frame 13, so that the height adjusting device 4 and the seat 2 rotate to be parallel to the ground, namely, a lying mode is obtained;

when the angle adjusting motor 51 outputs power to enable the output end to retract, the mounting seat 42 can be driven to rotate downwards around the joint of the mounting seat 42 and the support frame 13, so that the height adjusting device 4 and the seat 2 rotate to be perpendicular to the ground, namely, the normal sitting walking mode or the auxiliary walking mode is achieved.

As shown in fig. 1-2, two symmetrically disposed pedals 26 are respectively and fixedly mounted on the seat 2 near the front end of the seat 22, and the pedals 26 allow a user to conveniently place his feet on the pedals 26 when using the chair.

As shown in fig. 6, the seat 2 is provided with a multipurpose belt 23 for improving safety of an obstacle when the seat is used.

As shown in fig. 1 to 3, armrests 24 are respectively and fixedly disposed on two sides of the seat 2 close to the seat back 21, and the armrests 24 are respectively provided with a control operation panel 25 for controlling the actions of the seat adjusting motor 31, the height adjusting motor 46, the angle adjusting motor 51 and the walking motor 62.

A battery box 14 and a control box 15 are respectively fixedly arranged below the base 1.

The battery box 14 is provided with a battery pack for providing power for the seat adjusting motor 31, the height adjusting motor 46, the angle adjusting motor 51 and the walking motor 62.

The control box 15 is internally provided with a main controller for automatically controlling the actions of the seat adjusting motor 31, the height adjusting motor 46, the angle adjusting motor 51 and the walking motor 62.

As shown in fig. 1-2, when the chair is used, the initial state is a normal sitting and walking mode, and when the normal sitting and walking mode is required, a user can control the output power of the seat adjusting motor 31 to extend the output end by controlling the operation panel 25 and the main controller, so as to drive the seat 22 to rotate upwards, so that the included angle between the seat 22 and the backrest 21 is adjusted to 90 degrees, and the user can sit and stand conveniently;

then, the output end is extended out by the power output of the angle adjusting motor 51, and the mounting seat 42 is driven to rotate downwards around the joint of the mounting seat 42 and the supporting frame 13, so that the height adjusting device 4 and the seat 2 rotate to be perpendicular to the ground, namely, the normal sitting and walking mode is realized.

As shown in fig. 1-2 and fig. 4-5, when a user needs to adjust the height while sitting on the seat 1, the height adjustment motor 46 outputs power to drive the screw rod 45 to rotate, the screw rod 45 rotates to drive the movable seat 43 to move along the guide slot 44, and the movable seat 43 moves to drive the seat 2 to automatically adjust the height.

As shown in fig. 6-7, when the user needs the walking-assisting mode to exercise the walking ability, the output end is retracted by the output power of the seat adjusting motor 31 to drive the seat 22 to rotate downward, so that the included angle between the seat 22 and the backrest 21 is adjusted to 180 °, which is the walking-assisting mode;

then the user can adjust the height of the seat 2 according to the height of the user to enable the armrests 24 of the seat 2 to be placed under the armpits of the user for supporting the body of the user, and the multi-purpose safety belt 23 can prevent the body of the user from leaning forward, so that the safety can be improved;

then the user can control the walking motor 62 to output power along with the step of walking and drive the whole body to move forward through the rear wheel 61, thus realizing the self-training walking ability of the user.

As shown in fig. 8-9, when a user needs to rest in the lying mode, the seat adjusting device 3 first adjusts the included angle between the seat 22 and the backrest 21 to 180 °, and then controls the angle adjusting motor 51 to output power to extend the output end, so as to drive the mounting seat 42 to rotate upward around the connection between the mounting seat 42 and the supporting frame 13, so that the height adjusting device 4 and the seat 2 rotate to be parallel to the ground, i.e. the lying mode.

The above structure is adopted in the utility model, can realize normally sitting away, multiple functions such as seat altitude mixture control, supplementary walking, lie, four kinds of function integrations have covered the user to the demand of removal in daily life to through supplementary walking function, the user can take a step control along with oneself and wholly go forward, realize that the user can self temper walking ability, can improve the rehabilitation training effect, and overall structure is simple, and is light, and the function is perfect, convenient to use, and the security is high.

Claims

1. The utility model provides a multi-functional supplementary walking wheelchair, includes base (1), its characterized in that: base (1) top is provided with seat (2) that can adjust the contained angle between seat support (22) and the back of the chair (21) at will, and the contained angle between seat support (22) and the back of the chair (21) is adjusted by seat adjusting device (3) drive, and the top of base (1) is provided with respectively and is used for driving height adjusting device (4) that seat (2) carried out height control, is used for driving seat (2) to carry out whole pivoted angle adjusting device (5), and the below of base (1) is provided with removal drive arrangement (6) that are used for driving the bulk movement.

2. The multifunctional walking-assisted wheelchair of claim 1, wherein: the height adjusting device (4) comprises a movable upright post (41) arranged on the base (1), and a mounting seat (42) is fixedly arranged at a position, which is positioned on the lower side of the middle part, of one side of the movable upright post (41).

3. The multifunctional assisted walking wheelchair of claim 2, wherein: the movable upright post (41) is rotatably connected with the front end of a support frame (13) fixedly arranged on the base (1) through a mounting seat (42).

4. The multifunctional walking-assisted wheelchair as claimed in claim 3, wherein the support frame (13) is shaped like ∠ as a whole, and after the movable upright (41) is rotatably connected with the support frame (13) through the mounting seat (42), the front side of the lower end of the support frame (13) is in contact with the movable upright (41) to form a fulcrum for resisting the rotation of the movable upright (41).

5. The multifunctional assisted walking wheelchair of claim 4, wherein: the movable seat is characterized in that a movable seat (43) is movably arranged inside the movable upright post (41), guide grooves (44) are respectively formed in two sides of the movable upright post (41), and two sides of the movable seat (43) respectively penetrate through the guide grooves (44) and are fixedly connected with the seat (2).

6. The multifunctional assisted walking wheelchair of claim 5, wherein: the moving seat (43) is driven by the moving seat driving assembly to move along the guide groove (44) and drive the seat (2) to move so as to adjust the height of the seat (2).

7. The multifunctional assisted walking wheelchair of claim 6, wherein: the seat adjusting device (3) comprises seat adjusting motors (31) which are respectively arranged at two sides of the rear of the chair back (21), the output ends of the seat adjusting motors (31) are in transmission connection with the chair seat (22), and the seat adjusting motors (31) output power to drive the chair seat (22) to rotate so as to adjust the included angle between the chair seat (22) and the chair back (21).

8. The multifunctional assisted walking wheelchair of claim 7, wherein: the angle adjusting device comprises an angle adjusting motor (51) rotatably installed on the base, the output end of the angle adjusting motor (51) is rotatably connected with the installation seat (42), and the connection position is located below the connection position of the installation seat (42) and the support frame (13).

9. The multifunctional assisted walking wheelchair of claim 8, wherein: the mobile driving device (6) comprises a rear wheel (61) and a front wheel (64) which are respectively arranged below the base (1), and the base (1) is fixedly connected with a walking motor (62) which respectively drives the rear wheel (61) to rotate.

10. The multifunctional assisted walking wheelchair of claim 9, wherein: the seat (2) is provided with a multipurpose safety belt (23) for improving the use safety of the obstacle, and handrails (24) are respectively fixedly arranged on the two sides of the seat (2) close to the chair back (21).