CN109009717B

CN109009717B - Novel wheelchair

Info

Publication number: CN109009717B
Application number: CN201810860543.9A
Authority: CN
Inventors: 成荣芬
Original assignee: Zhejiang Industry and Trade Vocational College
Current assignee: Zhejiang Industry and Trade Vocational College
Priority date: 2018-08-01
Filing date: 2018-08-01
Publication date: 2020-01-14
Anticipated expiration: 2038-08-01
Also published as: CN109009717A

Abstract

The application provides a novel wheelchair, which comprises a wheelchair body, wherein the wheelchair body is provided with a pair of rear wheels, a pair of support leg assemblies, a pair of thigh massage mechanisms and a waist rest assembly, each support leg assembly comprises a telescopic rod and a pedal fixedly connected to the telescopic rod, the telescopic rods are pivoted on the wheelchair body, the telescopic rods adjust the lengths of the telescopic rods by utilizing telescopic mechanisms, and the telescopic rods are in driving connection with corresponding rehabilitation driving mechanisms arranged on the wheelchair body; the thigh massage mechanism comprises a plurality of massage rollers which are arranged on the seat of the wheelchair body in parallel, and the massage rollers are in driving connection with the rear wheels on the corresponding sides; the waist support assembly comprises an arc-shaped frame arranged on the chair back of the wheelchair body in a sliding mode and a manual adjusting mechanism connected with the arc-shaped frame in a driving mode, and the stretching range of the arc-shaped frame is adjusted by operating the manual adjusting mechanism. The utility model provides a novel wheelchair can satisfy the demand of patient's knee rehabilitation training, thigh portion massage, cushion thickness adjustment, convenient to use.

Description

Novel wheelchair

Technical Field

The invention relates to a wheelchair, in particular to a novel wheelchair capable of realizing knee rehabilitation, leg massage and adjustable waist cushion.

Background

The wheelchair is a preferred travel tool for physically disabled persons and persons with mobility disabilities, patients can drive the wheelchair to move randomly indoors and can also participate in outdoor activities, due physical exercises are obtained, the labor amount of the family members of the patients is greatly reduced, common wheelchairs only have a travel function, patients who need to be trained to recover knees and patients who need to accelerate blood circulation through massage for lower body paralysis can not meet the use requirements of the patients, the backs of the people who depend on the wheelchair for a long time can be in contact with the chair backs for a long time, if the backs of the patients are uncomfortable, the backbones of the people can be damaged by sitting the wheelchair for a long time, in order to increase the comfort level of the patients, the back pillows are usually added by the patients, the back pillows are easy to deform and need to be continuously adjusted, and the thickness requirements of different persons and different body conditions on the back pillows are different, thereby causing inconvenience to the user.

Disclosure of Invention

In view of the above, the present invention provides a novel wheelchair, which solves the problem that the existing wheelchair cannot meet the requirements of the patients for knee rehabilitation training, thigh massage and cushion thickness adjustment.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a novel wheelchair, includes the wheelchair body, be equipped with a pair of rear wheel and a pair of front wheel on the bottom of wheelchair body, wherein, still include:

the leg assemblies comprise telescopic rods and pedal plates fixedly connected to the telescopic rods, the telescopic rods are pivoted on the wheelchair body, the telescopic rods are used for adjusting the lengths of the telescopic rods through telescopic mechanisms, the telescopic rods are in driving connection with corresponding rehabilitation driving mechanisms arranged on the wheelchair body, and the rehabilitation driving mechanisms can enable the leg assemblies to swing to perform knee rehabilitation training;

the pair of thigh massage mechanisms are arranged in parallel, each thigh massage mechanism comprises a plurality of massage rollers which are arranged on the seat of the wheelchair body in parallel, the massage rollers are in driving connection with the rear wheels on the corresponding sides, and the massage rollers rotate to massage the rear sides of the legs, so that blood circulation is accelerated;

the waist leans on the subassembly, the waist leans on the subassembly including sliding the setting arc frame on the back of the chair of wheelchair body and with the manual adjustment mechanism that arc frame drive is connected satisfies different human demands through the range of stretching out of operation manual adjustment mechanism regulation arc frame.

Furthermore, the rehabilitation driving mechanism comprises an expansion bracket which is arranged on the wheelchair body in a sliding mode, one end of the expansion bracket is connected with a sliding block which is arranged on the expansion bracket in a sliding mode in a pivoted mode, the other end of the expansion bracket is movably connected with a sector gear which is connected in the wheelchair body in a pivoted mode, the sector gear is meshed with a driving gear which is connected in the wheelchair body in a pivoted mode, and the driving gear is fixedly connected with an output shaft of a motor.

Furthermore, a strip-shaped hole which is distributed along the radial direction is arranged on the sector gear, and a convex shaft which is fixedly arranged at the other end of the telescopic frame is connected with the strip-shaped hole in a sliding fit manner.

Further, thigh massage mechanism still includes a slip setting and is in push pedal on the wheelchair body, the push pedal is located the below of massage roller, just the push pedal with the massage roller contact is connected, the push pedal is connected through a link and a carousel and forms crank link mechanism, the coaxial fixed connection of carousel and the rear wheel that corresponds.

Furthermore, a rubber layer is arranged on the periphery of the massage roller, and a plurality of salient points are arranged on the top surface of the push plate.

Further, the back of arc frame is equipped with a connecting axle, manual adjustment mechanism's drive cover is established on the connecting axle, be equipped with a plurality of helicla flutes that are parallel to each other on the outer peripheral face of connecting axle, be equipped with the projection of a plurality of annular distribution on the inner wall in the sleeve chamber of drive cover, the projection is connected with the helicla flute sliding fit who corresponds, the drive cover with manual adjustment mechanism's locking mechanical system is connected.

Furthermore, locking mechanical system is including fixed the setting the lock frame on wheelchair body one side, be equipped with a plurality of by last locking groove that distributes in proper order down on the lock frame, the one end pin joint of locking mechanical system's locking lever is in the drive is sheathe in, locking lever swing back and forth and the locking of corresponding locking groove or break away from, realize the locking or the release of drive cover.

Furthermore, the rotating shaft of the driving sleeve is sleeved with a torsion spring, two ends of the torsion spring are respectively connected to the driving sleeve and the wheelchair body, and the torsion spring enables the lock rod to always abut against the top of the lock groove.

Furthermore, telescopic machanism is an electric putter, electric putter's both ends respectively with the fixed part and the movable part fixed connection of telescopic link.

According to the technical scheme, the invention has the following beneficial effects:

the length of the telescopic rod can be adjusted by the electric push rod, so that the use of patients with different leg lengths can be met, and the use is convenient;

the rehabilitation driving mechanism is arranged, so that the leg components can swing, the lower legs can complete knee bending action to recover the knee parts, and the blood circulation of the legs can be accelerated;

because the thigh massage mechanism is arranged, the thigh massage mechanism can be used for massaging the legs of the patient who can not bend the knees to accelerate blood circulation and avoid local stasis;

owing to be equipped with the waist and lean on the subassembly, can adjust the protrusion degree of arc frame according to individual different demands, improve the comfort level, avoid sitting for a long time and cause waist, spinal injury.

The invention is described in further detail below with reference to the figures and the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a part of the structure of the present invention.

Fig. 3 is a sectional view a-a of fig. 1.

Figure 4 is a schematic structural view of the lumbar support assembly of the present invention.

Figure 5 is a schematic view of the drive sleeve of the lumbar assembly of the present invention.

Description of reference numerals: the wheelchair comprises a wheelchair body 1, a rear wheel 11, a front wheel 12, a support leg assembly 2, an expansion link 21, an electric push rod 22, a pedal 23, a rehabilitation driving mechanism 3, an expansion bracket 31, a convex shaft 311, a sector gear 32, a strip-shaped hole 321, a driving gear 33, a thigh massage mechanism 4, a massage roller 41, a rubber layer 411, a push plate 42, a convex point 421, a connecting bracket 43, a rotary disc 44, a lumbar support assembly 5, a cotton pad 51, an arc-shaped bracket 52, a connecting shaft 521, a spiral groove 522, a driving sleeve 53, a sleeve cavity 531, a convex column 532, a lock rod 533, a torsion spring 55, a lock bracket 56 and a lock groove 561.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1 to 5, the present application is further described, as shown in fig. 1, a novel wheelchair includes a wheelchair body 1, a pair of rear wheels 11 and a pair of front wheels 12 are disposed on the bottom of the wheelchair body 1, a pair of leg assemblies 2 are disposed on the front side of the wheelchair body 1, each leg assembly 2 includes a telescopic rod 21 and a pedal 23 fixedly connected to the telescopic rod 21, the telescopic rod 21 is pivotally connected to the wheelchair body 1, the telescopic rod 21 adjusts the length of the telescopic rod 21 by using a telescopic mechanism to adapt to patients with different leg lengths, and is convenient to use, the telescopic rod 21 is drivingly connected to a corresponding rehabilitation driving mechanism 3 disposed on the wheelchair body 1, and the rehabilitation driving mechanism 3 can swing the leg assembly 2 to perform knee rehabilitation training; a pair of thigh massage mechanisms 4 which are parallel to each other are arranged on the seat of the wheelchair body 1, each thigh massage mechanism 4 comprises a plurality of massage rollers 41 which are arranged on the seat of the wheelchair body 1 in parallel, the massage rollers 41 are in driving connection with the rear wheels 11 on the corresponding sides, and the massage rollers 41 rotate to massage the rear sides of the legs so as to accelerate blood circulation of the legs; be equipped with a waist on the back of the chair of wheelchair body 1 and lean on subassembly 5, the waist is leaned on subassembly 5 and is in including sliding the setting arc frame 52 on the back of the chair of wheelchair body 1 and with the manual adjustment mechanism that arc frame 52 drive is connected satisfies different human demands through the range of stretching out of operating manual adjustment mechanism regulation arc frame 52, improves patient's comfort level, avoids the patient to sit for a long time and causes the damage of waist, backbone, wherein, arc frame 52 is equipped with the cotton pad 51 of one deck on the surface, increases patient's comfort level.

As shown in fig. 2, the telescopic mechanism is an electric push rod 22, and two ends of the electric push rod 22 are respectively and fixedly connected with the fixed part and the movable part of the telescopic rod 21.

As shown in fig. 2, the rehabilitation driving mechanism 3 includes an expansion bracket 31 slidably disposed on the wheelchair body 1, one end of the expansion bracket 31 is pivotally connected to a slider slidably disposed on the expansion link 21, a protruding shaft 311 fixedly disposed on the other end of the expansion bracket 31 is slidably connected to a strip hole 321 on a sector gear 32 pivotally connected to the wheelchair body 1, the strip hole 321 is radially distributed along the sector gear 32, the sector gear 32 is engaged with a driving gear 33 pivotally connected to the wheelchair body 1, the driving gear 33 is fixedly connected to an output shaft of a motor, the sector gear 32 reciprocates to drive the expansion bracket 31 to reciprocate, and further, the leg assembly 2 is driven to swing to achieve rehabilitation of the knee joint.

As shown in fig. 1 and 3, the thigh massage mechanism 4 further includes a push plate 42 slidably disposed on the wheelchair body 1, the push plate 42 is located below the massage roller 41, the push plate 42 is in contact connection with the massage roller 41, the push plate 42 is connected with a turntable 44 through a connecting frame 43 to form a crank-link mechanism, the turntable 44 is coaxially and fixedly connected with the corresponding rear wheel 11, wherein a rubber layer 411 is disposed on the periphery of the massage roller 41, and a plurality of bumps 421 are disposed on the top surface of the push plate 42. When a patient operates the wheelchair to move, the pair of rear wheels 11 respectively drive the corresponding thigh massage mechanisms 4 to work to massage the rear sides of the pair of thighs, so that stagnation caused by unsmooth blood circulation of the legs is avoided, and the labor amount of nursing staff or family members is reduced.

As shown in fig. 1, 4 and 5, a connecting shaft 521 is disposed on the back of the arc frame 52, a driving sleeve 53 of the manual adjusting mechanism is sleeved on the connecting shaft 521, a plurality of spiral grooves 522 parallel to each other are disposed on the outer circumferential surface of the connecting shaft 521, a plurality of protruding columns 532 distributed annularly are disposed on the inner wall of a sleeve cavity 531 of the driving sleeve 53, the protruding columns 532 are connected with the corresponding spiral grooves 522 in a sliding fit manner, and the driving sleeve 53 is connected with a locking mechanism of the manual adjusting mechanism. The driving sleeve 53 is driven to rotate, so that the arc-shaped frame 52 is driven to extend or contract to adjust the extending thickness of the arc-shaped frame 52, the requirements of different users can be met, and the comfort level is improved.

The locking mechanism comprises a lock frame 56 fixedly arranged on one side of the wheelchair body 1, a plurality of lock grooves 561 are arranged on the lock frame 56 and are distributed from top to bottom in sequence, one end of the lock rod 533 of the locking mechanism is pivoted on the driving sleeve 53, the other end of the lock rod 533 extends to one side of the wheelchair, a torsion spring 55 is sleeved on a rotating shaft of the driving sleeve 53, two ends of the torsion spring 55 are respectively connected to the driving sleeve 53 and the wheelchair body 1, the locking rod 533 is manually operated to swing back and forth to be locked with or separated from the corresponding locking groove 561, so that the driving sleeve 53 is locked or released, when the lock rod 533 is locked with the lock groove 561, the lock rod 533 is always abutted against the top of the lock groove 561 by the action of the torsion spring 55, so that the lock rod 533 is prevented from being separated under the action of external force, the locking is reliable, and the structure is convenient to adjust.

The wheelchair further comprises a circuit board, an operation panel and a storage battery, wherein the motor, the electric push rod 22, the operation panel and the storage battery are all electrically connected with the circuit board, the motor, the electric push rod 22 and the operation panel are all electrically connected with the storage battery, and the operation panel is arranged on the handrail of the wheelchair to facilitate the operation of a user.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel wheelchair, includes wheelchair body (1), be equipped with a pair of rear wheel (11) and a pair of front wheel (12) on the bottom of wheelchair body (1), its characterized in that still includes:

the pair of leg assemblies (2), each leg assembly (2) comprises a telescopic rod (21) and a pedal (23) fixedly connected to the telescopic rod (21), each telescopic rod (21) is pivoted on the wheelchair body (1), the telescopic rods (21) adjust the length of the telescopic rods (21) by using a telescopic mechanism, the telescopic rods (21) are in driving connection with corresponding rehabilitation driving mechanisms (3) arranged on the wheelchair body (1), and the rehabilitation driving mechanisms (3) can enable the leg assemblies (2) to swing to perform knee rehabilitation training;

the pair of thigh massage mechanisms (4) are arranged in parallel, each thigh massage mechanism (4) comprises a plurality of massage rollers (41) which are arranged on the seat of the wheelchair body (1) in parallel, the massage rollers (41) are in driving connection with the rear wheels (11) on the corresponding sides, and the massage rollers (41) rotate to massage the rear sides of the legs, so that blood circulation is accelerated;

subassembly (5) is leaned on to the waist, subassembly (5) is leaned on including sliding the arc frame (52) that sets up on the back of the chair of wheelchair body (1) and with the manual adjustment mechanism that arc frame (52) drive is connected, satisfies different human demands through the range of stretching out of operating manual adjustment mechanism regulation arc frame (52), the back of arc frame (52) is equipped with a connecting axle (521), manual adjustment mechanism's driving sleeve (53) cover is established on connecting axle (521), be equipped with a plurality of helicla flute (522) that are parallel to each other on the outer peripheral face of connecting axle (521), be equipped with a plurality of annularly distributed's projection (532) on the inner wall of sleeve chamber (531) of driving sleeve (53), projection (532) are connected with corresponding helicla flute (522) sliding fit, driving sleeve (53) with manual adjustment mechanism's locking mechanical system is connected, locking mechanical system is including fixed setting up lock frame (56) on wheelchair body (1) one side, be equipped with a plurality of on lock frame (56) by last locked groove (561) that distribute gradually under to, the one end pin joint of locking lever (533) of locking mechanical system is in on drive cover (53), locking lever (533) swing back and forth and corresponding locked groove (561) closure or break away from realize the locking or the release of drive cover (53), the cover is equipped with a torsional spring (55) in the pivot of drive cover (53), the both ends of torsional spring (55) are connected respectively on drive cover (53) and wheelchair body (1), torsional spring (55) make locking lever (533) support to keep off all the time the top of locked groove (561).

2. The new wheelchair as claimed in claim 1, characterised in that the rehabilitation drive mechanism (3) comprises an expansion bracket (31) slidably arranged on the wheelchair body (1), one end of the expansion bracket (31) is pivoted with a slide block slidably arranged on the expansion link (21), the other end of the expansion bracket (31) is movably connected with a sector gear (32) pivoted in the wheelchair body (1), the sector gear (32) is meshed with a driving gear (33) pivoted in the wheelchair body (1), and the driving gear (33) is fixedly connected with an output shaft of a motor.

3. The novel wheelchair as claimed in claim 2, wherein the sector gear (32) is provided with a strip-shaped hole (321) distributed along the radial direction, and the protruding shaft (311) fixedly arranged at the other end of the telescopic frame (31) is connected with the strip-shaped hole (321) in a sliding fit manner.

4. The novel wheelchair as claimed in claim 1, wherein the thigh massage mechanism (4) further comprises a push plate (42) slidably disposed on the wheelchair body (1), the push plate (42) is located below the massage roller (41), the push plate (42) is in contact connection with the massage roller (41), the push plate (42) is connected with a turntable (44) through a connecting frame (43) to form a crank-link mechanism, and the turntable (44) is coaxially and fixedly connected with the corresponding rear wheel (11).

5. The new wheelchair as claimed in claim 4, wherein the massage roller (41) is provided with a rubber layer (411) on its outer circumference, and the push plate (42) is provided with a plurality of protrusions (421) on its top surface.

6. The new wheelchair as claimed in claim 1, wherein the telescopic mechanism is an electric push rod (22), and both ends of the electric push rod (22) are respectively fixedly connected with the fixed part and the movable part of the telescopic rod (21).