CN111053653A

CN111053653A - Medical wheelchair of hand formula

Info

Publication number: CN111053653A
Application number: CN201911150934.2A
Authority: CN
Inventors: 李崇权; 郑素文; 张鑫
Original assignee: Zhejiang Everything Science And Technology Co Ltd
Current assignee: Li Ting
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-04-24
Anticipated expiration: 2039-11-21
Also published as: CN111053653B

Abstract

The invention provides a hand-operated medical wheelchair, which comprises a seat paved with a cushion, wherein an air cushion device is arranged at the lower end of the cushion, a wheel device is arranged below the air cushion device, the wheel device is connected with a hand-operated driving device through a lubricating device, wheel cleaning devices are symmetrically arranged at two ends of the hand-operated driving device, a pedal plate with a friction block is arranged at one side of the wheel cleaning device, the pedal plate is hinged with the front end of the seat, and a universal wheel is arranged at one side of the pedal plate; the hand-operated medical wheelchair provided by the invention utilizes manual driving to save energy consumption, and the wheel cleaning device is matched with the hand-operated driving device, so that the wheelchair is convenient to lubricate, and the driving is more convenient and faster.

Description

Medical wheelchair of hand formula

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a hand-operated medical wheelchair.

Background

The wheelchair is an important mobile tool for the rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons at home, not only meets the requirements of physically disabled persons and persons with mobility disabilities for transportation, but also is more important to facilitate the family members to move and care for the patients, so that the patients can carry out physical exercise and participate in social activities by means of the wheelchair, and therefore, the improvement on the functions of the wheelchair is worthy of being researched.

For example, chinese patent literature discloses a wheelchair, wherein the wheelchair is represented by the following patent document [ application No.: 201811437572.0, comprising a frame, wheels, a cushion, a backrest, a front curtain board, a pedal and an armrest, characterized in that: the wheelchair is provided with a deformation driving device, and the deformation driving device drives the backrest and the front curtain plate to rise and fall, so that the wheelchair is changed between a chair shape and a lying state; the wheelchair comprises a frame, a seat cushion, a backrest, a lateral moving device and a seat cushion, wherein the frame is connected with the seat cushion and the backrest through the lateral moving device; and the seat cushion and the backrest are provided with a conveyor belt which moves laterally.

In the wheelchair in the scheme, although the patient can be conveniently transferred between the wheelchair and the sickbed without modifying the bed body, the mechanical structure is complex, and the structure has poor lubricating performance

Disclosure of Invention

The invention aims to solve the problems and provides a hand-operated medical wheelchair which is driven manually to save energy consumption, and a wheel cleaning device is matched with a hand-operated driving device to facilitate the lubrication of the wheelchair and enable the driving to be more convenient.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a medical wheelchair of hand formula, is including the seat of laying the cushion, its characterized in that: the lower end of the cushion is provided with an air cushion device, a wheel device is arranged below the air cushion device, the wheel device is connected with a hand-operated driving device through a lubricating device, wheel cleaning devices are symmetrically arranged at two ends of the hand-operated driving device, a pedal plate with a friction block is arranged at one side of the wheel cleaning device, the pedal plate is hinged with the front end of the seat, and a universal wheel is arranged at one side of the pedal plate; cushion one end be provided with the back board of installation bandage device, the back board articulated with seat rear end, back board lower extreme be equipped with strutting arrangement.

Preferably, the air cushion device comprises an air bag arranged below the cushion, the air bag is connected with a first telescopic bin through a connecting pipe, and a first spring is arranged in the first telescopic bin.

Preferably, the wheel device comprises wheels arranged on two sides of a wheel rod, and the wheel rod is provided with a driving gear.

Preferably, the lubricating device comprises a lubricating wheel meshed with the driving gear, the lubricating wheel is hinged in a lubricating box arranged at the lower end of the seat, the lower end of the lubricating box is connected with an oil supply pipe, an oil supply part is arranged at the position where the oil supply pipe is connected with the lubricating box, the front end of the oil supply pipe is connected with an oil tank comprising a telescopic pipe, the front end of the oil tank is connected with the pedal plate, and an elastic part is connected in the oil tank.

Preferably, the hand-operated driving device comprises a driving wheel which is meshed with the lubricating wheel, the driving wheel is fixedly arranged on the driving shaft, and two ends of the driving shaft are provided with rocking handles which are symmetrically arranged.

Preferably, the wheel cleaning device comprises a cam fixedly mounted on the driving shaft, a second telescopic bin is mounted below the cam, a second spring is mounted in the second telescopic bin, an air supply pipe is arranged on one side of the second telescopic bin, and a pipe orifice of the air supply pipe is aligned with the tire tread of the wheel.

Preferably, the binding device comprises a fixed block fixedly arranged on one side of the backrest plate, notches are formed in the fixed block, mounting bins with openings are symmetrically arranged on two sides of the fixed block, and a binding component is arranged in each mounting bin.

Preferably, the binding band assembly comprises a rolling shaft hinged in the installation bin, the rolling shaft is provided with a binding band penetrating through the opening, the front end of the binding band is provided with a limiting block, and a fixing piece is arranged on the limiting block; the binding band component further comprises a clockwork spring fixedly arranged on two sides of the rolling shaft, and the front end of the clockwork spring is fixedly arranged on the inner wall of the mounting bin.

Preferably, the supporting device comprises a supporting frame fixedly installed on the seat and provided with an inner cavity, a supporting rod is installed in the inner cavity, a handle is arranged at the lower end of the supporting rod and matched with a sliding rail arranged on one side of the supporting frame, and a limiting groove is formed in the upper end of the sliding rail.

Compared with the prior art, the invention has the advantages that:

1. the air cushion device and the backrest plate are matched with each other, the first telescopic bin is extruded by the gravity generated by the falling of the backrest plate to inflate the air bag, so that the height of the inflated air bag is consistent with that of the backrest plate when the backrest plate is horizontal, the wheelchair can be changed into a bed plate by a simple mechanical mechanism, the operation is simple and easy, and the patient can finish the operation by himself.

2. The hand-operated driving device is utilized to drive the lubricating device and the wheel device, and the transmission gear is lubricated while the wheelchair is driven, so that the wheelchair runs more smoothly, and the service life of the wheelchair is prolonged.

3. The wheel cleaning devices are arranged on two sides of the hand-operated driving device, and the hand-operated driving device is used for driving the cam to rotate, so that the second telescopic bin is extruded, and air flow penetrates through the air supply pipe to clean the wheels.

4. The binding band device provided by the invention utilizes the cross matching of the binding band component and the fixed block to fix the back, thereby preventing the back spine of a patient from deforming due to long-term wheelchair sitting.

Drawings

Fig. 1 is a structural diagram of a hand-operated medical wheelchair according to the present invention.

Fig. 2 is a partial sectional view (front view) of a hand-operated medical wheelchair according to the present invention.

Fig. 3 is a partial sectional view (left view) of a hand-operated medical wheelchair according to the present invention.

Fig. 4 is a cross sectional view of a surface A-A of the hand-operated medical wheelchair provided by the invention.

Fig. 5 is a block diagram of a strap assembly provided by the present invention.

In the figure, a seat 1, a cushion 11, a friction block 12, a pedal 13, a universal wheel 14, a backrest plate 15, an air cushion device 2, an air bag 21, a connecting pipe 22, a first telescopic bin 23, a first spring 24, a wheel device 3, a wheel rod 31, a wheel 32, a driving gear 33, a lubricating device 4, a lubricating wheel 41, a lubricating box 42, an oil supply pipe 43, an oil supply piece 44, a telescopic pipe 45a, an oil tank 45, an elastic piece 46, a hand-operated driving device 5 and a driving wheel 51, the device comprises a driving shaft 52, a rocking handle 53, a wheel cleaning device 6, a cam 61, a second telescopic bin 62, a second spring 63, an air supply pipe 64, a binding device 7, a fixing block 71, a notch 72, an opening 73, a mounting bin 74, a binding assembly B, a roller B1, a binding B2, a limiting block B3, a fixing piece G, a spring B4, a supporting device 8, a supporting frame 81, an inner cavity 82, a supporting rod 83, a handle 84, a sliding rail 85 and a limiting groove 86.

Detailed Description

As shown in fig. 1, 2, 3, 4 and 5, the hand-operated medical wheelchair includes a seat 1 on which a seat cushion 11 is laid, and is characterized in that: the lower end of a cushion 11 is provided with an air cushion device 2, a wheel device 3 is arranged below the air cushion device 2, the wheel device 3 is connected with a hand-operated driving device 5 through a lubricating device 4, two ends of the hand-operated driving device 5 are symmetrically provided with wheel cleaning devices 6, one side of each wheel cleaning device 6 is provided with a pedal plate 13 with a friction block 12, the pedal plates 13 are hinged with the front end of the seat 1, the friction blocks 12 in the device are arranged to increase the friction force between feet and the pedal plates 13, the foot plates 13 are driven by the feet, so that the oil supply of the lubricating device 4 can be controlled, and one side of each pedal plate 13 is provided with; one end of the cushion 11 is provided with a backrest plate 15 for installing the bandage device 7, the backrest plate 15 is hinged with the rear end of the seat 1, and the lower end of the backrest plate 15 is provided with a supporting device 8.

Specifically speaking, air cushion device 2 is including setting up in gasbag 21 of cushion 11 below, and gasbag 21 is connected with first flexible storehouse 23 through connecting pipe 22, is provided with first spring 24 in the first flexible storehouse 23, and both ends all are provided with the stiff end about the first flexible storehouse 23 in this device, the fixed mounting of first spring 24 of being convenient for, and gasbag 21 can adopt the nylon materials preparation, and the inner wall can scribble sealing glue, increases gasbag 21's sealing performance.

Specifically, the wheel device 3 comprises wheels 32 arranged on two sides of a wheel rod 31, a driving gear 33 is arranged on the wheel rod 31, and the wheel rod 31 and the wheels 32 can be connected in a key-key way or a welding way.

Further, the lubricating device 4 comprises a lubricating wheel 41 which is in mesh with the driving gear 33, the lubricating wheel 41 is hinged in a lubricating box 42 arranged at the lower end of the seat 1, the lower end of the lubricating box 42 is connected with an oil supply pipe 43, the position where the oil supply pipe 43 is connected with the lubricating tank 42 is provided with an oil supply part 44, the front end of the oil supply pipe 43 is connected with an oil tank 45 comprising an extension pipe 45a, the front end of the oil tank 45 is connected with the pedal 13, the oil tank 45 is internally connected with an elastic part 46, the oil supply part 44 in the device can adopt oil absorption sponge or a pinion to be meshed with the lubricating wheel 41, which is beneficial to sticking lubricating oil on the gear teeth of the lubricating wheel 41, the elastic part 46 can adopt a spring, a shrapnel or an elastic rubber rod, in addition, the oil tank 45 can adopt a transparent material, make like glass, oil tank 45 one side still is equipped with the oil filler hole, and this design is convenient for detect the oil mass of oil tank 45 to add oil, guarantee the fuel feeding of oil tank 45.

More specifically, the hand-operated driving device 5 comprises a driving wheel 51 which is meshed with the lubricating wheel 41, the driving wheel 51 is fixedly arranged on a driving shaft 52, two ends of the driving shaft 52 are provided with symmetrically arranged rocking handles 53, and the rocking handles 53 in the device are fixedly arranged at two ends of the driving shaft 52 in a threaded connection or welding mode.

Still further, the wheel cleaning device 6 includes a cam 61 fixedly mounted on the driving shaft 52, a second telescopic bin 62 is mounted below the cam 61, a second spring 63 is mounted in the second telescopic bin 62, an air supply pipe 64 is arranged on one side of the second telescopic bin 62, and an opening of the air supply pipe 64 is aligned with a tire tread of the wheel 32, a lower end of the second telescopic bin 62 in the device is fixedly mounted below the seat 1, the air supply pipe 64 is arranged at a lower fixed end of the second telescopic bin 62, and an upper end of the second telescopic bin 62 is provided with a flat plate, so that the cam 61 can compress the second telescopic bin 62 conveniently on one hand, and the second spring 63 can be mounted conveniently on the other hand.

Specifically, the binding device 7 includes a fixing block 71 fixedly mounted on one side of the backrest 15, a notch 72 is formed on the fixing block 71, mounting bins 74 with openings 73 are symmetrically formed on two sides of the fixing block 71, and a binding component B is arranged in each mounting bin 74.

Furthermore, the binding belt component B comprises a roller B1 hinged in the mounting bin 74, the roller B1 can be hinged in the mounting bin 74 by adopting a deep groove ball bearing, a binding belt B2 penetrating through the opening 73 is arranged on the roller B1, a limiting block B3 is arranged at the front end of the binding belt B2, a fixing piece G is arranged on the limiting block B3, and the fixing piece G in the device can adopt a magic tape or a buckle; the bandage assembly B also comprises a clockwork spring B4 fixedly arranged at two sides of the roller B1, the front end of the clockwork spring B4 is fixedly arranged on the inner wall of the mounting bin 74, one end of the clockwork spring B4 in the device is fixed on the roller B1, and the other end of the clockwork spring B4 is fixed on the seat 1, and in addition, the clockwork spring B4 can also be replaced by other elastic pieces, such as elastic ropes and springs.

More specifically, the supporting device 8 includes a supporting frame 81 with an inner cavity 82 fixedly installed on the seat 1, a supporting rod 83 is installed in the inner cavity 82, a handle 84 is disposed at the lower end of the supporting rod 83, the handle 84 is matched with a slide rail 85 disposed on one side of the supporting frame 81, a limiting groove 86 is disposed at the upper end of the slide rail 85, the limiting groove 86 is disposed in the device, so as to facilitate fixing the position of the handle 84, thereby fixing the backrest plate 15 at a specified height, and when the limiting groove 86 is matched with the handle 84, the angle between the backrest plate 15 and the seat 1 can be set to 90-100 °.

The working principle is as follows: when the patient sits on the chair 1, the limiting blocks B3 at the two ends are pulled, the binding belt B2 penetrates through the notch 72 arranged on the fixing block 71, the fixing pieces G on the two binding belts B2 are mutually matched to fix the back of the patient, and the sitting posture of the patient is favorably adjusted, when the fixing is not needed, the spring B4 is utilized to drive the rolling shaft B1 to withdraw the binding belt B2, the operation is simple and convenient, the rocking handle 53 is manually shaken to drive the driving shaft 52 to rotate, so that the driving wheel 51 drives the lubricating wheel 41 to rotate, the driving gear 33 meshed with the lubricating wheel 41 synchronously rotates, the lubricating wheel 41 simultaneously contacts with the oil supply piece 44 when rotating, the lubricating wheel 41 is provided with lubricating oil, the lubricating wheel 41 is respectively meshed with the driving gear 33 and the driving wheel 51 through the lubricating wheel 41 to lubricate the driving gear 33 and the driving wheel 51, the service life of the wheelchair is prolonged, the wheelchair runs more smoothly, and when the, the foot pedal 13 can be lifted to a certain angle by foot and then put down, so that the oil tank 45 can be synchronously stretched and contracted, the lubricating oil in the oil tank 45 is transmitted to the oil supply part 44 from the oil supply pipe 43 due to the pressure change generated by the change of the volume, and the cam 61 is synchronously driven to rotate when the crank 53 is manually shaken to drive the driving shaft 52 to rotate, the cam 61 compresses the second telescopic bin 62, so that the air flow generated by the second telescopic bin 62 cleans the wheel 32 through the air supply pipe 64, when the cam 61 is separated from the second telescopic bin 62, the second telescopic bin 62 recovers under the action of the second spring 63 to clean the wheel 32 in a reciprocating manner, when a patient needs to have a rest, the handle 84 can be pulled by self, so that the handle is separated from the limiting groove 86 and is lowered to the lowest position from the slide rail 85, so that the back plate 15 is horizontal, and in the falling process of the back plate 15, the first telescopic bin 23 is compressed, so that the air in the first telescopic bin 23 is transmitted to the air, make gasbag 21 swell for cushion 11 and back board 15 are located same horizontal plane, and are more comfortable, and when lifting up back board 15 once more, first flexible storehouse 23 kick-backs under first spring 24 effect, and the gasbag 21 interior gas gets back to in first flexible storehouse 23 once more.

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 ambit of the invention as defined in the appended claims.

Although the seat 1, the seat cushion 11, the friction block 12, the footrest 13, the universal wheel 14, the backrest plate 15, the air cushion device 2, the air bag 21, the connection pipe 22, the first bellows 23, the first spring 24, the wheel device 3, the wheel lever 31, the wheel 32, the drive gear 33, the lubricating device 4, the lubricating wheel 41, the lubricating tank 42, the oil supply pipe 43, the oil supply member 44, the bellows 45a, the oil tank 45, the elastic member 46, the hand-operated drive device 5, the drive wheel 51, the drive shaft 52, the crank 53, the wheel cleaning device 6, the cam 61, the second bellows 62, the second spring 63, the air supply pipe 64, the strap device 7, the fixing block 71, the notch 72, the opening 73, the mounting block 74, the strap assembly B, the roller B1, the strap B2, the stopper B3, the fixing block G, the spring B4, the support device 8, the support frame 81, the cavity 82, the support rod 83, the handle 84, the, A retaining groove 86, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. The utility model provides a medical wheelchair of hand formula, is including laying seat (1) of cushion (11), its characterized in that: the lower end of the cushion (11) is provided with an air cushion device (2), a wheel device (3) is arranged below the air cushion device (2), the wheel device (3) is connected with a hand-operated driving device (5) through a lubricating device (4), wheel cleaning devices (6) are symmetrically arranged at two ends of the hand-operated driving device (5), one side of each wheel cleaning device (6) is provided with a pedal (13) with a friction block (12), the pedals (13) are hinged with the front end of the seat (1), and one side of each pedal (13) is provided with a universal wheel (14); cushion (11) one end be provided with back board (15) of installation bandage device (7), back board (15) articulated with seat (1) rear end, back board (15) lower extreme be equipped with strutting arrangement (8).

2. The hand-operated medical wheelchair as claimed in claim 1, wherein: air cushion device (2) including set up in gasbag (21) of cushion (11) below, gasbag (21) be connected with first flexible storehouse (23) through connecting pipe (22), first flexible storehouse (23) in be provided with first spring (24).

3. The hand-operated medical wheelchair as claimed in claim 1, wherein: the wheel device (3) comprises wheels (32) arranged on two sides of a wheel rod (31), and a driving gear (33) is arranged on the wheel rod (31).

4. A hand-cranked medical wheelchair as claimed in claim 3, characterized in that: the lubricating device (4) comprises a lubricating wheel (41) meshed with the driving gear (33), the lubricating wheel (41) is hinged in a lubricating box (42) arranged at the lower end of the seat (1), the lower end of the lubricating box (42) is connected with an oil supply pipe (43), an oil supply piece (44) is arranged at the position where the oil supply pipe (43) is connected with the lubricating box (42), the front end of the oil supply pipe (43) is connected with an oil tank (45) comprising a telescopic pipe (45 a), the front end of the oil tank (45) is connected with the pedal plate (13), and an elastic piece (46) is connected in the oil tank (45).

5. The hand-operated medical wheelchair as claimed in claim 4, wherein: hand drive arrangement (5) include with moist pulley (41) intermeshing's action wheel (51), action wheel (51) fixed mounting on drive shaft (52), drive shaft (52) both ends be equipped with rocking handle (53) that the symmetry set up.

6. The hand-operated medical wheelchair as claimed in claim 5, wherein: wheel cleaning device (6) including fixed mounting in drive shaft (52) on cam (61), cam (61) below install the flexible storehouse of second (62), just the flexible storehouse of second (62) in install second spring (63), the flexible storehouse of second (62) one side be equipped with air supply pipe (64), just air supply pipe (64) mouth of pipe aim at the tread of wheel (32).

7. The hand-operated medical wheelchair as claimed in claim 1, wherein: bandage device (7) including fixed mounting in back board (15) one side fixed block (71), fixed block (71) on be equipped with notch (72), fixed block (71) bilateral symmetry be equipped with installation storehouse (74) of taking opening (73), every installation storehouse (74) in all be equipped with bandage subassembly (B).

8. The hand-operated medical wheelchair as claimed in claim 7, wherein: the binding belt component (B) comprises a roller (B1) hinged in the mounting bin (74), a binding belt (B2) penetrating through the opening (73) is arranged on the roller (B1), a limiting block (B3) is arranged at the front end of the binding belt (B2), and a fixing piece (G) is arranged on the limiting block (B3); the binding band component (B) further comprises a clockwork spring (B4) fixedly arranged on two sides of the roller (B1), and the front end of the clockwork spring (B4) is fixedly arranged on the inner wall of the mounting bin (74).

9. The hand-operated medical wheelchair as claimed in claim 8, wherein: strutting arrangement (8) including fixed mounting in seat (1) on have support frame (81) of inner chamber (82), inner chamber (82) in install bracing piece (83), bracing piece (83) lower extreme be equipped with hand (84), just hand (84) with set up in slide rail (85) of support frame (81) one side mutually support, slide rail (85) upper end be equipped with spacing groove (86).