CN111265369A

CN111265369A - Rehabilitation and nursing wheelchair with supporting function

Info

Publication number: CN111265369A
Application number: CN202010077832.9A
Authority: CN
Inventors: 张丽丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-01
Filing date: 2020-02-01
Publication date: 2020-06-12

Abstract

The invention discloses a rehabilitation nursing wheelchair with a supporting function, which comprises a frame body, wheels, hand wheel rims, a seat and a backrest, wherein the frame body comprises a vertical plate at the front side and a horizontal plate fixed at the rear side of the vertical plate; the front end and the rear end of the chair seat are respectively hinged with the vertical plate and the backrest; the lower end of the backrest is hinged with the vertical plate through a connecting rod parallel to the seat; the bottom end of the chair seat is hinged with the horizontal plate through a chair seat driving mechanism; a pedal plate is arranged in front of the vertical plate; the two sides of the horizontal plate are provided with walking stick driving devices; the crutch comprises a handheld end at the upper end and a supporting end at the lower side, and the handheld end can be used as a wheelchair armrest when sliding to the middle position of the slideway. By using the walking stick, a patient can operate by himself to realize assistance of slowly standing and sitting, and the walking stick is integrated.

Description

Rehabilitation and nursing wheelchair with supporting function

Technical Field

The invention relates to a wheelchair, in particular to a rehabilitation nursing wheelchair with a supporting function.

Background

The wheelchair can provide convenience for disabled people and hemiplegic patients, and when the hemiplegic patients sit on the wheelchair, the hemiplegic patients are difficult to sit on the wheelchair independently due to low control capability and uncoordinated body, and often families are required to support the hemiplegic patients and slowly sit on the wheelchair, so that great inconvenience is brought to the traveling and moving of the patients. For patients with hemiplegia of the lower limbs, the family members are required to lift the feet of the patients and place the feet on the foot pedals. In addition, the hemiplegic patient often needs the walking stick to assist when the closely remove, and like this patient is when sitting the wheelchair, leads to the walking stick to lack the place and place. Or when the patient gets up from the wheelchair, the patient needs to be additionally provided with the crutch, thereby bringing inconvenience. Therefore, the rehabilitation nursing wheelchair with the supporting function, which can be operated by the patient, is designed to have wide market prospect.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the rehabilitation nursing wheelchair which can be operated by a patient to assist the patient to stand and sit slowly and integrates a crutch and a supporting function.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the rehabilitation nursing wheelchair with the supporting function comprises a frame body, wheels, hand wheel rims, a seat and a backrest, wherein the wheels are rotatably fixed on the rear side of the frame body; the front end and the rear end of the chair seat are respectively hinged with the vertical plate and the backrest; the lower end of the backrest is hinged with the vertical plate through a connecting rod parallel to the seat; the bottom end of the chair seat is hinged with the horizontal plate through a chair seat driving mechanism;

a pedal plate is arranged in front of the vertical plate, the upper end of the rear side of the pedal plate can vertically slide in a vertical groove formed in the vertical plate through two vertical rods, the upper ends of the vertical rods are connected with a traction rope I, the traction rope I penetrates through the vertical plate and then is connected with a winding drum arranged on the horizontal plate, and the winding drum is fixed on a winding drum driving motor arranged on the horizontal plate;

the walking stick driving mechanism comprises inclined slide ways, slide blocks, blocking rods and slide block driving mechanisms, the slide ways are symmetrically fixed on the left side and the right side of the horizontal plate, and one slide block is sleeved on each slide way; the other side of the sliding block is provided with a U-shaped groove, and a crutch clamping mechanism for fixing a crutch is arranged in the U-shaped groove; the crutch clamping mechanism comprises a clamping head, a tension spring and an electromagnet, wherein the clamping head is S-shaped, the clamping head is symmetrically arranged in a clamping groove arranged on the inner side of the U-shaped groove, and the clamping head is hinged with the U-shaped groove; the front end of the clamping head is connected with the inner wall of the clamping groove through the tension spring; the electromagnet is arranged at the rear end of the clamping groove;

the blocking rod is arranged on the lower side of the slideway and used for assisting the crutch to be in a vertical state; the sliding block driving mechanism comprises a sliding block driving motor, a gear and a tooth groove which is arranged on the slide way and is meshed with the gear;

the walking stick comprises a handheld end at the upper end and a supporting end at the lower side, the handheld end is hinged with the front side of the supporting end, and the handheld end is detachably connected with the rear side of the supporting end; when the handheld end slides to the middle position of the slideway, the handheld end can be used as a wheelchair armrest; the outside of slider is provided with control button, control button through the circuit with seat support actuating mechanism, electro-magnet, slider driving motor and reel driving motor control connection.

Further, a button switch is arranged on the inner side wall of the rear side of the U-shaped groove and is in control connection with the electromagnet; a button switch control device is arranged in the handheld end and comprises a blocking block and a blocking block driving mechanism which are arranged in the handheld end, the blocking block can vertically slide in the handheld end, the upper end of the blocking block is propped against a return spring, a through hole is formed in the handheld end, and the through hole corresponds to the button switch; the button switch can penetrate through the through hole to abut against the stop block; stop block piece actuating mechanism and include intermeshing's big, pinion, big, pinion are rotatable setting respectively in the handheld end, a handle is connected to the gear wheel, a spool is connected to the pinion, the winding has haulage rope II on the spool, haulage rope II with block the piece and connect.

Furthermore, rubber layers are respectively arranged on one clamping side of each clamping head and on the inner side of the rear end of the U-shaped groove.

Furthermore, the seat driving mechanism is a hydraulic cylinder.

Furthermore, an anti-slip area is arranged on the pedal plate, and rubber bumps are densely distributed in the anti-slip area.

Furthermore, a crutch auxiliary ear plate is arranged on the pedal plate below the blocking rod and used for preventing the supporting end from tightly propping against the pedal plate.

Furthermore, a horn head is arranged in the auxiliary ear plate, the horn head can obliquely slide on the pedal plate through a round rod, a compression spring is sleeved on the round rod, and two ends of the compression spring respectively push against the horn head and the pedal plate.

Furthermore, the bottom of handheld end is provided with spherical head, corresponds the upper end of support end be provided with spherical head complex open slot, the symmetry is provided with a plurality of location pearls in the open slot, correspond spherical overhead be provided with location pearl complex constant head tank.

Furthermore, a groove is arranged at the front end of the backrest.

Furthermore, a protective cover is sleeved on the outer side of the sliding block driving mechanism.

The invention has the beneficial effects that:

the two ends of the seat are respectively hinged with the vertical plate and the backrest, so that the deflection of the seat can be realized, and a hemiplegic patient can lean against the seat and slowly deflect along with the seat when sitting on the wheelchair, and finally sit on the wheelchair by self, so that the manual supporting link is omitted. The lower end of the seat is hinged with the vertical plate through a connecting rod parallel to the seat, so that the backrest is close to a vertical state when the seat deflects, and the back of a patient is supported in the process.

Through setting up walking stick actuating mechanism, can conveniently place the walking stick, simultaneously along with the slip of slider, the support end of walking stick slowly descends when removing, can play the slow supporting role to patient's health like this, prevents that the patient from sitting in the twinkling of an eye on the wheelchair and causing the injury to the health because the inertia of health. In the process of sitting on the wheelchair at the buttocks of the patient, the crutch continuously supports the body of the patient, the manual supporting process of a dummy is adopted, and the labor force is saved. And the hand-held end moving to the middle position can be used as the wheelchair armrest and has multiple using functions. Through set up button switch controlling means in handheld end, when the walking stick pushes up button switch in the U-shaped inslot, can the action of automatic trigger electro-magnet, press from both sides the walking stick tightly through walking stick fixture. When the patient stands up to leave, the handle can be held to promote the blocking block to move upwards, the button switch is reset to the initial state at the moment, the electromagnet loop is disconnected, the crutch is loosened, the crutch can be directly taken away, and the operation is simple and convenient. The groove is formed in the front end of the backrest, so that the back of a patient can be assisted and aligned, and the body of the patient is prevented from inclining to the left side and the right side. Through setting up the blocking rod, can the supporting end of walking stick its effect of blockking, the patient can make the walking stick resume initial condition through slider and blocking the pole when preparing to get up. When the patient stands up, the crutch continues to support and support the body of the patient, and can avoid the body from tilting. The auxiliary ear plate of the crutch can prevent the bottom of the supporting end of the crutch from tightly supporting the pedal, and a horizontal blocking force is generated on the supporting end to enable the supporting end to deflect. The supporting end can be further prevented from tightly supporting the pedal plate by arranging the ox-horn head and sleeving the round rod with the compression spring. Through the arrangement of the vertically moving pedal, the patient can be lifted by feet, and manual operation is omitted. The patient slide can be prevented by arranging the anti-slip area on the pedal. Meanwhile, the patient stands on the pedal, and all gravity of the body is concentrated on the pedal, so that the phenomenon that the wheelchair slides to cause the sitting empty of the patient can be prevented, the braking action is omitted, and the operation steps are simplified.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side-view perspective of the present invention;

FIG. 3 is a schematic side view of the invention in perspective (parallel between the backrest and the vertical plate);

FIG. 4 is a schematic perspective view of the present invention (excluding the seat and backrest);

FIG. 5 is a schematic perspective view of the chair seat of the present invention;

FIG. 6 is a schematic perspective view of the backrest of the present invention;

FIG. 7 is a schematic side view of the walking stick of the present invention;

FIG. 8 is a schematic view of a partial cross-sectional view of the connection of the footrest and vertical plate of the present invention;

FIG. 9 is a schematic cross-sectional view of the cane clamping mechanism of the present invention;

FIG. 10 is a schematic view of a portion of the cross-sectional structure of the joint between the hand-held end and the support end of the crutch of the present invention;

FIG. 11 is a schematic top view of the horn head of the present invention;

FIG. 12 is a perspective view of the backrest of the present invention;

FIG. 13 is a schematic view of a partial cross-sectional structure of a push button switch control device of the present invention;

FIG. 14 is an enlarged partial view of portion A of FIG. 13 in accordance with the present invention;

in the figure, the frame body 1, the vertical plate 11, the vertical groove 111, the horizontal plate 12, the wheel 2, the hand rim 21, the seat 3, the seat driving mechanism 31, the backrest 4, the ventilation hole 41, the connecting rod 42, the groove 43, the foot pedal 5, the upright rod 51, the traction rope I52, the winding drum 53, the winding drum driving motor 54, the antiskid region 55, the crutch auxiliary ear plate 56, the oxhorn head 561, the round rod 562, the compression spring 563, the crutch driving device 6, the slideway 61, the tooth space 611, the slider 62, the U-shaped groove 621, the rubber layer 621a, the button switch 621b, the blocking rod 63, the slider driving mechanism 64, the slider driving motor 641, the gear 642, the protective cover 65, the crutch 66, the handheld end 661, the spherical head a, the positioning groove 661b, the through hole 661c, the supporting end 662, the opening groove 662a, the positioning ball 662b, the crutch clamping mechanism 662, the clamping head 671, the tension spring 672, the electromagnet 67, The push-button switch control device 8, a block 81, a block driving mechanism 82, a large gear 821, a handle 821a, a small gear 822, a traction rope II 822a and a return spring 83.

Detailed Description

For a better understanding of the present invention, embodiments thereof are explained in detail below with reference to the accompanying drawings.

The rehabilitation nursing wheelchair with the supporting function shown in the attached drawings 1 to 14 comprises a frame body 1, wheels 2, hand rims 21, a seat 3 and a backrest 4, wherein the backrest 4 is provided with air holes 41. On the rotatable fixed support body 1 of wheel 2, support body 1 includes the vertical board 11 of front side and fixes the horizontal plate 12 at vertical board 11 rear side, and both ends are connected with vertical board 11 and back 4 are articulated respectively around seat support 3, and the lower extreme of back 4 is connected with connecting rod 42 through being parallel with seat support 3 is articulated between vertical board 11, can ensure like this that seat 3 when deflecting, back 4 keeps being close vertical state, can play the supporting role to patient's back. The bottom end of the seat 3 is hinged with the horizontal plate 12 through a seat driving mechanism 31. The deflection of the seat 3 can be powered by a seat drive 31, which seat drive 31 comprises a hydraulic cylinder, although a pneumatic cylinder could be used instead. When the wheelchair is used, the seat 3 deflects under the action of the hydraulic cylinder until the seat moves to the position shown in the attached drawing 3, at the moment, a patient can lean against the seat 3, the patient is ensured to slowly sit on the wheelchair along with the continuous deflection of the seat 3, the damage to the body due to the instant sitting is avoided, and meanwhile, the manual supporting operation can be omitted. The front end of the backrest 4 is provided with a groove 43, and two sides of the groove 43 can assist in aligning the back of the patient, so that the body of the patient is prevented from inclining towards the left side and the right side.

The front of vertical board 11 is provided with running-board 5, but the rear side upper end of running-board 5 through two pole settings 51 vertical slip in the vertical groove 111 that vertical board 11 set up, the pull rope I52 is connected to the upper end of pole setting 51, pull rope I52 passes behind vertical board 11 to be connected with the reel 53 that sets up on the horizontal plate 12, reel 53 is fixed on the horizontal plate 12, is connected with reel driving motor 54 drive. By arranging the pedal plate 5 to be vertically movable, the patient can be automatically lifted by feet, and manual operation is omitted. Meanwhile, when a patient stands on the pedal 5, the wheelchair can be prevented from sliding, and the sitting empty phenomenon is avoided. In order to avoid the slipping phenomenon when a patient stands on the pedal 5, the pedal 5 is provided with anti-slip areas 55, and rubber bumps are densely distributed on each anti-slip area 55.

The two sides of the horizontal plate 12 are provided with the crutch driving device 6, the crutch driving mechanism 6 comprises two inclined slideways 61, two sliding blocks 62, a stop rod 63 and a sliding block driving mechanism 64, the two inclined slideways 61 are respectively and symmetrically fixed on the left side and the right side of the horizontal plate 12, one sliding block 62 is sleeved on each slideway 61, the sliding block driving mechanism 64 comprises a sliding block driving motor 641, a gear 642 and a tooth groove 611 which is arranged on each slideway 61 and is meshed with the gear 642, and the sliding blocks 62 slide along the slideways 61 under the action of the sliding block driving mechanism 64. In order to avoid scratching the patient and the appearance of the patient, a protective cover 65 is placed on the outside of the slider drive mechanism 64. Preferably, the slide block driving mechanism 64 is a ball screw, a nut matched with the ball screw is arranged on the slide block, and a driving motor is arranged at the tail end of the ball screw. The inside cavity of slide 61 and upper end set up the gliding opening of confession slider, and ball is located slide 61, and the slider passes behind the opening of slide 61 upper end and nut fixed connection.

The other side of the slide block 62 is provided with a U-shaped groove 621, and a crutch clamping mechanism 67 for fixing the crutch 66 is arranged in the U-shaped groove 621. The crutch clamping mechanism 67 comprises a clamping head 671, a tension spring 672 and an electromagnet 673, wherein the clamping head 671 is similar to an S shape as shown in FIG. 9, the clamping head 671 is symmetrically arranged in a clamping groove 674 arranged on the inner side of the U-shaped groove 621, and the middle of the clamping head 671 is hinged with the U-shaped groove 621 through a rotating shaft. The front end of the clamping head 671 is connected with the inner wall of the clamping groove 674 by a tension spring 672. The electromagnet 673 is provided with the rear end of the clamping groove 674, the front end of the clamping head 671 is located in the clamping groove 674 under the action of the tension spring 672 naturally, when the crutch is clamped, the clamping head 671 deflects under the action of the attraction force of the electromagnet 673, and finally the front end of the clamping head 671 abuts against the crutch 66. In order to ensure a more firm clamping, a rubber layer 621a is provided on the clamping side of each clamping head 671 and inside the rear end of the U-shaped groove 621, respectively. Of course, the crutch holding mechanism 67 can be replaced by a bolt, that is, a bolt is arranged on one side of the U-shaped groove 621, and when the crutch is placed in the U-shaped groove 621, the crutch can be fixed by inserting the bolt.

Walking stick 66 includes handheld end 661 of upper end and supporting end 662 of downside, and the front side of handheld end 661 and supporting end 662 is articulated to be connected, and the rear side of handheld end 661 and supporting end 662 can be dismantled and is connected, is provided with spherical head 661a in the bottom of handheld end 661, corresponds to be provided with the open slot 662a with spherical head 661a complex in the upper end of supporting end 662, and the symmetry is provided with a plurality of location pearl 662b in the open slot 662a, corresponds to be provided with on spherical head 661a with location pearl complex constant head 661 b. The spherical head 661a is positioned by the positioning beads 662b, and the spherical head 661a can slide out of the opening groove 662a under a large external force.

The handheld end 661 can be used as a wheelchair armrest when it is slid to the middle of the chute 61. Because the slide way 61 is arranged obliquely, when the crutch 66 slides backwards, the holding end 611 keeps a vertical state, and the supporting end 662 swings, so that the included angle between the holding end 661 and the supporting end 662 is less than 180 degrees. The blocking rod 63 is disposed at the lower side of the slide 61 for assisting the crutch 66 in a vertical state. When the patient is ready to get up, the slide block 62 moves to the initial position along the slide way 61 only by pressing the control button 7, and the crutch 66 returns to the vertical state under the action of the slide block 62 and the blocking rod 63. The patient can then smoothly remove the crutch 66.

As a second preferred embodiment for controlling the electromagnet 673, a button switch 621b is arranged on the inner side wall of the back side of the U-shaped groove 621, and the button switch 621b is in control connection with the electromagnet 673. Be provided with button switch controlling means 8 in handheld end 661, button switch controlling means 8 is including setting up the piece 81 and the piece actuating mechanism 82 that blocks that block in handheld end 661, blocks that piece 81 can vertically slide in handheld end 661, and blocks on reset spring 83 of the upper end top of piece 81, sets up a through-hole 661c on handheld end 661, and through-hole 661c corresponds with button switch 621 b. The push switch 621b can be pushed against the stopper 81 through the through hole 661 c. When the patient begins to place the crutch, the crutch follows the innermost side of the chute of the U-shaped channel 621, at which time the crutch 66 pushes the push button switch 621b to compress it closed, and the crutch 66 is gripped by the crutch gripping mechanism 67. The blocking block driving mechanism 82 comprises a large gear 821 and a small gear 822 which are meshed with each other, the large gear 821 and the small gear 822 are respectively and rotatably arranged in a handheld end 661, the large gear 821 is connected with a handle 821a, the small gear 822 is connected with a reel, a traction rope II 822a is wound on the reel, and the traction rope II 822a is connected with the blocking block 81. When the patient gets up and is ready to leave, the user holds the handle 821a with the hand, the large gear 821 drives the small gear 822 to rotate, the reel on the small gear 822 lifts the blocking block 81 through the traction rope II 822a, the button switch 621b automatically restores to the initial state after the blocking block 81 is lifted, finally the button switch 621b is disconnected, and the crutch 66 is loosened. Of course, the electromagnet 673, the crutch driving mechanism 6, the reel driving motor 54, and the like may be controlled by a wireless remote controller, and a pocket for placing the wireless remote controller is provided on one side of the wheelchair. Of course, wired connection control can also be adopted, one operation key platform is arranged on one side of the wheelchair, and all the control buttons are arranged on the key operation platform.

When the crutch 66 slides along with the sliding block 62, the supporting end 662 is easy to tightly press against the pedal plate 5, so that the crutch auxiliary ear plate 56 is arranged at the corresponding position of the pedal plate 5 below the blocking rod 63, the crutch auxiliary ear plate 56 can prevent the supporting end 662 from continuously sliding backwards, and the supporting end 662 is enabled to deflect. In order to further promote the deflection of the supporting end 662, a horn head 561 is arranged in the crutch auxiliary ear plate 56, the horn head 561 can slide on the pedal plate 5 in a tilting manner through a round rod 562, a compression spring 563 is sleeved on the round rod 562, and two ends of the compression spring 563 are respectively pressed against the horn head 561 and the pedal plate 5. This provides a pushing force to support end 662 with compression spring 563.

The outer side of the slide block 62 is provided with a control button 7, and the control button 7 is in control connection with the seat driving mechanism 31, the slide block driving motor 641 and the winding drum driving motor 54 through a circuit or a wireless remote control module. The control buttons 7 include an extension button and a retraction button of the seat drive mechanism 31, forward rotation and reverse rotation buttons of the slider drive motor 64, forward rotation and reverse rotation buttons of the reel drive motor 54, and on and off buttons of the electromagnet 673.

The use method of the invention comprises the following steps:

before use, the crutch 66 is placed in the U-shaped groove 621, and the electromagnet 673 is pressed to connect the button to clamp the crutch 66; next, the back leans on the seat 3 and the backrest 4, and the forward rotation button of the slide block driving motor 64 is pressed down to slowly sit down; next, the forward rotation button of the reel drive motor 54 is pressed, and the foot pedal 5 is lifted. When ready to get up, the reverse button of the reel drive motor 54 is pressed down, and the foot pedal 5 is lowered; next, the reverse button of the slider drive motor 64 is pressed, and the patient's body stands under the thrust of the chair seat and the backrest; next, the off button of the electromagnet 673 is pressed (or the handle 821a is gripped), and the crutch 66 is taken out.

Claims

1. Rehabilitation and nursing wheelchair with support function, it includes support body, wheel, hand wheel rim, seat support and back, its characterized in that: the wheels can be rotatably fixed on the rear side of the frame body, and the frame body comprises a vertical plate on the front side and a horizontal plate fixed on the rear side of the vertical plate; the front end and the rear end of the chair seat are respectively hinged with the vertical plate and the backrest; the lower end of the backrest is hinged with the vertical plate through a connecting rod parallel to the seat; the bottom end of the chair seat is hinged with the horizontal plate through a chair seat driving mechanism;

2. The rehabilitation and care wheelchair with a support function of claim 1, wherein: a button switch is arranged on the inner side wall of the rear side of the U-shaped groove and is in control connection with the electromagnet, a button switch control device is arranged in the handheld end and comprises a blocking block and a blocking block driving mechanism which are arranged in the handheld end, the blocking block can vertically slide in the handheld end, the upper end of the blocking block is propped against a reset spring, a through hole is formed in the handheld end, and the through hole corresponds to the button switch; the button switch can penetrate through the through hole to abut against the stop block; stop block piece actuating mechanism and include intermeshing's big, pinion, big, pinion are rotatable setting respectively in the handheld end, a handle is connected to the gear wheel, a spool is connected to the pinion, the winding has haulage rope II on the spool, haulage rope II with block the piece and connect.

3. The rehabilitation and nursing wheelchair with supporting function as claimed in claim 2, wherein: rubber layers are respectively arranged on one clamping side of each clamping head and on the inner side of the rear end of the U-shaped groove.

4. The rehabilitation and care wheelchair with a support function of claim 1, wherein: the seat driving mechanism is a hydraulic cylinder.

5. The rehabilitation and care wheelchair with a support function of claim 1, wherein: the pedal is provided with an anti-slip area, and rubber bumps are densely distributed in the anti-slip area.

6. The rehabilitation and care wheelchair with a support function of claim 1, wherein: the pedal plate below the blocking rod is provided with a crutch auxiliary ear plate which is used for preventing the supporting end from tightly propping against the pedal plate.

7. The rehabilitation and care wheelchair with a support function of claim 6, wherein: the auxiliary ear plate is internally provided with a horn head which can obliquely slide on the pedal plate through a round rod, the round rod is sleeved with a compression spring, and two ends of the compression spring respectively prop against the horn head and the pedal plate.

8. The rehabilitation and care wheelchair with a support function of claim 1, wherein: the bottom of handheld end is provided with spherical head, corresponds the upper end of supporting the end be provided with spherical head complex open slot, the symmetry is provided with a plurality of location pearls in the open slot, correspond spherical overhead be provided with location pearl complex constant head tank.

9. The rehabilitation and care wheelchair with a support function of claim 1, wherein: the front end of the backrest is provided with a groove.

10. The rehabilitation and care wheelchair with a support function of claim 1, wherein: and a protective cover is sleeved on the outer side of the sliding block driving mechanism.