CN116158917A

CN116158917A - Multifunctional transposition wheelchair

Info

Publication number: CN116158917A
Application number: CN202211646901.9A
Authority: CN
Inventors: 郭思悦; 邵印麟; 李军辉
Original assignee: Shanghai Putuo District People's Hospital Shanghai Textile First Hospital
Current assignee: Shanghai Putuo District People's Hospital Shanghai Textile First Hospital
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-26

Abstract

The invention relates to a multifunctional transposition wheelchair which comprises a seat, a seat plate, fixed armrests, driving wheels, foot pedals and a rotary armrest plate, wherein the rotary armrest plate is positioned on one side of the seat and is detachably connected with the seat; a first groove is formed in one side of the seat, a second groove is formed right in front of the first groove, a rotating armrest plate is placed in the first groove, a universal seat stand is placed in the second groove, a universal shaft is also placed in the universal seat stand, and the rotating armrest plate can rotate in different directions in the universal seat stand through the universal shaft; the advantages are as follows: the invention has simple structure and convenient operation, integrally adopts the pure mechanization principle, has lower manufacturing cost compared with the traditional electric drive, reduces the workload of the traditional manual transfer, and improves the working efficiency and the safety in the transfer process.

Description

Multifunctional transposition wheelchair

Technical Field

The invention relates to the technical field of medical appliances, in particular to a multifunctional transposition wheelchair.

Background

Patients often need to perform actions by their own inertia and force or help from others in transferring a wheelchair to a bed or other surface: for wheelchair users, the patient is usually held by a nursing person, and the wheelchair users are transferred by self-force or inertia waist-turning force, and the patient is usually transferred by head-body strategy through the inertia of sudden action of the patient or by side-building compensation force. Such indexing may present a certain risk of falling or injury to both the user and the caretaker.

According to the existing clinical observation, the existing wheelchair is mainly provided with wheels to replace a walking chair and is an important moving tool for home rehabilitation, turnover transportation, consultation and outgoing activities of wounded persons, patients and disabled persons. The existing wheelchair devices are mostly formed by combining devices such as hubs, tires, seats, metal brackets, plastic armrests and the like, and can realize the moving function under the help of oneself or others. According to different requirements of users, the height, the length, the seat width and the wheel size of the seat backrest can be adjusted, or a power device is added to form an electric wheelchair capable of automatically running through a remote controller, or the function of a toilet can be realized through a removable cushion, and no wheelchair capable of having an transposition function exists in the market at present.

Chinese patent application: CN102551973B discloses a multifunctional wheelchair bed, which is formed by combining a bed body and a wheelchair, wherein the bed body comprises a bed frame, a bed board, roller support rods and an electric push rod, the bed board is composed of seven boards consisting of side boards and a top board and is in a door-shaped structure, the wheelchair comprises a base, a front wheel, a rear wheel, a motor, a battery, a wheelchair backboard, a seat board, a lower leg board, a pedal, a base electric push rod, a wheelchair backrest electric push rod, an arc connecting rod, a wheelchair seat electric push rod, left and right armrests and a control part, the control part comprises an operating rod and a button and is respectively arranged on the left and right armrests, and the wheelchair and the bed body can be combined into a whole by respectively inserting each assembled round rod of the rectangular bed board of the wheelchair into an assembled round pipe of the seven boards in the door shape of the bed body. The wheelchair is enabled to stand by driving the electric push rod, a wheelchair and bed combined structure with a standing function is adopted, and a patient or an elderly person can independently control to complete the combination and separation of the wheelchair and the bed, so that the problem of mutual transfer between the wheelchair and the bed is solved. However, the whole structure is complex, and the device comprises a plurality of electromechanical elements, so that the use is inconvenient, and the combination of the bed body and the wheelchair is inconvenient to move, so that the device has certain defects in the use process.

Therefore, in view of the above, there is a need for a multifunctional indexing wheelchair that has a simple structure, is convenient to operate, can provide an indexing function for a conventional wheelchair, and can perform indexing from the wheelchair to other planes such as a bed, a chair, etc. more stably, safely and comfortably.

Disclosure of Invention

The invention aims to provide a multifunctional indexing wheelchair, which aims to provide a traditional wheelchair with an indexing function and realize the indexing function of enabling the wheelchair to be stably, safely and comfortably moved to other planes such as a bed, a chair and the like.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the multifunctional transposition wheelchair comprises a chair seat, a chair plate, fixed armrests, driving wheels, foot pedals and a rotary armrest plate, wherein the rotary armrest plate is positioned on one side of the chair seat and is detachably connected with the chair seat; a first groove is formed in one side of the seat, a second groove is formed right in front of the first groove, a first sliding groove is formed in one side of the first groove, a first sliding rail is further arranged in the sliding groove, a rotating armrest plate is placed in the first groove, a universal seat table is placed in the second groove, a universal shaft is also placed in the universal seat table, openings are formed in the periphery of the universal seat table and the central position of the upper surface, the openings are spherical and rectangular, the universal shaft comprises a universal ball head and a shaft rod, the universal ball head is fixedly connected with the shaft rod, the universal ball head is movably placed in the universal seat table, the shaft rod at one end of the universal ball head is fixedly connected with the rotating armrest plate, and the rotating armrest plate can rotate in different directions in the universal seat table through the universal shaft; and a shaft rod overturning accommodating groove is further formed in one side of the second groove, and is communicated with the second groove.

In the above-mentioned multifunctional indexing wheelchair, as a preferable scheme, one side of the chair plate is further screwed with a fixing plate, the fixing plate is provided with a plurality of threaded holes and screws, one end of the corresponding rotating armrest plate is further provided with a threaded groove, one end of the fixing plate is connected with one side of the chair plate through screws, and the other side of the fixing plate is fixed with the threaded groove on the rotating armrest plate through screws; two pushing hands are arranged above the back of the chair plate, and a threaded rubber sleeve is arranged on the pushing hands.

In the above multifunctional indexing wheelchair, as a preferred scheme, the seat is further provided with a sliding cushion and a fixed cushion, the fixed cushion is fixed at the rear end of the upper surface of the seat, the sliding cushion is movably placed at the front end of the upper surface of the seat, the sliding cushion is flush with the fixed cushion, the bottom of the sliding cushion is further provided with a supporting rod, the bottom of the supporting rod is provided with a sliding wheel, and the sliding seat can move on the first sliding rail through the sliding wheel at the bottom.

In the above-mentioned multifunctional indexing wheelchair, as a preferable solution, the first groove is in a longitudinal row structure and is in a strip shape, and its size is identical to the size of the rotating armrest; the second groove is of a cube structure, and the size of the second groove is matched with that of the universal platform; and the first groove is communicated with the second groove.

In the above-mentioned multifunctional indexing wheelchair, as an preferable scheme, the height of the first chute is lower than that of the first groove, and the first chute and the first groove are in a vertical structure and are communicated with each other in left and right directions.

In the above multifunctional indexing wheelchair, as a preferable scheme, the rotating armrest plate is further provided with a second chute, the second chute is further provided with a second slide rail, the second chute and the second slide rail are consistent with the first chute and the first slide rail on the seat, and after the rotating armrest plate rotates to be horizontal, the second chute and the second slide rail on the rotating armrest plate can form a horizontal track with the first chute and the first slide rail on the seat.

In the above multifunctional indexing wheelchair, as a preferable scheme, a fixed support block is further provided at the bottom of the seat, the fixed support block extends to one side of the seat and is in butt joint with the rotated rotating armrest plate, and a plurality of threaded holes are provided on the fixed support block.

The invention has the advantages that:

1. the invention has simple structure and convenient operation, integrally adopts the pure mechanization principle, has lower manufacturing cost compared with the traditional electric drive, saves cost, avoids waste, reduces the workload of the traditional manual transfer, improves the working efficiency, reduces the danger of carrying and holding patients by operators in the transfer process from the wheelchair to the bed body, and improves the safety in the transfer process; meanwhile, the structure in the device is mainly plastic and metal small fixing pieces, the whole quality is controllable, and the device is convenient to carry and use.

Drawings

FIG. 1 is a schematic structural view of the multifunctional indexing wheelchair according to the present invention.

Fig. 2 is a schematic view of a part of the structure of the multifunctional indexing wheelchair according to the present invention.

Fig. 3 is a schematic view showing a partial structure of the first groove and the second groove according to the present invention.

FIG. 4 is a schematic view of the structure of the gimbal table and part of the gimbal shaft according to the present invention.

FIG. 5 is a schematic view of a partial structure of the swing arm plate and the gimbal table according to the present invention.

FIG. 6 is a schematic view of a partial structure of the swing arm plate and the gimbal table according to the present invention.

Fig. 7 is a partial structural view of the rotating handrail plate of the present invention rotated to a final state.

Fig. 8 is a partial schematic view of the securing of the swivel armrest plate to the bottom surface of the seat in accordance with the present invention.

Fig. 9 is a partial view of the sliding seat cushion and the rotating armrest plate according to the present invention.

Fig. 10 is a partial schematic view of the sliding seat cushion according to the present invention.

Detailed Description

The invention is further described below in conjunction with the detailed description. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the description of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.

Reference numerals and components referred to in the drawings are as follows:

1. chair seat	2. Chair plate	3. Fixed armrest
			4. Driving wheel	5. Foot pedal	6. Rotary armrest plate
7. Universal seat	8. Universal shaft	9. An opening
			11. First groove	12. Second groove	13. First chute
14. First slide rail	15. Shaft rod overturning accommodating groove	16. Sliding cushion
			17. Fixed cushion	18. Support bar	19. Sliding wheel
21. Fixing plate	22. Threaded hole	23. Screw bolt
			24. Push handle	25. Screw thread rubber sleeve	61. Thread groove
62. Second chute	63. Second slide rail	81. Universal ball head
			82. Shaft lever	110. Fixed support block

Examples

Referring to fig. 1-10, fig. 1 is a schematic structural view of a multifunctional indexing wheelchair according to the present invention. Fig. 2 is a schematic view of a part of the structure of the multifunctional indexing wheelchair according to the present invention. Fig. 3 is a schematic view showing a partial structure of the first groove and the second groove according to the present invention. FIG. 4 is a schematic view of the structure of the gimbal table and part of the gimbal shaft according to the present invention. FIG. 5 is a schematic view of a partial structure of the swing arm plate and the gimbal table according to the present invention. FIG. 6 is a schematic view of a partial structure of the swing arm plate and the gimbal table according to the present invention. Fig. 7 is a partial structural view of the rotating handrail plate of the present invention rotated to a final state. Fig. 8 is a partial schematic view of the securing of the swivel armrest plate to the bottom surface of the seat in accordance with the present invention. Fig. 9 is a partial view of the sliding seat cushion and the rotating armrest plate according to the present invention. Fig. 10 is a partial schematic view of the sliding seat cushion according to the present invention.

The invention mainly aims at the disabled and semi-disabled old people who are bedridden for a long time and cannot self-care in life, and the people with special nursing requirements; the rotatable and direction-changeable armrest plate with the sliding rail and the cushion with the pulley are designed on the original wheelchair device (such as the front-back adjustment of a chair seat, the stopping and other basic functions of a brake, and the like), so that an indexing function is given to the wheelchair, and the safe and stable wheelchair-to-bed and bed-to-wheelchair different medium conversion of a user is realized. The multifunctional indexing wheelchair comprises a chair seat 1, a chair plate 2, a fixed armrest 3, a driving wheel 4, a pedal 5 and a rotary armrest plate 6, wherein the chair seat 1 and the chair plate 2 are connected in a rotary mode, the fixed armrest 3 and the rotary armrest plate 6 are arranged on the chair seat 1, the driving wheel 4 (the driving wheel is a driving wheel with a hand brake function) is connected to the bottom of the chair seat 1, and the pedal 5 is further arranged in front of the chair seat 1; the rotating armrest plate 6 is positioned on one side of the chair seat 1 and is detachably connected with the chair seat 1; as shown in fig. 3, a first groove 11 is formed on one side of the seat 1 in the device, a second groove 12 is further formed right in front of the first groove 11, a first sliding groove 13 is formed on one side of the first groove 12, and a first sliding rail 14 is further arranged in the sliding groove 13; as shown in fig. 1, fig. 4 and fig. 5, the first groove 11 is internally provided with a rotating armrest plate 6, the second groove 12 is internally provided with a universal seat 7, the universal seat 7 is internally provided with a universal shaft 8, openings 9 are respectively arranged at the periphery of the universal seat 7 and the central position of the upper surface, the openings 9 are spherical and rectangular, the spherical openings are used for accommodating universal ball heads, and the rectangular openings are used for accommodating shaft rods for moving; the universal shaft 8 comprises a universal ball head 81 and a shaft rod 82, the universal ball head 81 is fixedly connected with the shaft rod 82, the universal ball head 81 is movably arranged in the universal seat 8, the shaft rod 82 at one end of the universal ball head is fixedly connected with the rotating armrest plate 6, and the rotating armrest plate 6 can rotate in different directions in the universal seat 7 through the universal shaft 8; a shaft rod overturning accommodating groove 15 is further formed in one side of the second groove 12, and the shaft rod overturning accommodating groove 15 is communicated with the second groove 12; specifically, the shaft rod 82 connected to the rotating armrest plate 6 moves obliquely upwards on the rectangular opening 9 on the upper surface of the universal seat 7, and when the shaft rod moves to the central position, the universal ball head 81 is rotated, and the position on the rotating armrest plate is adjusted, so that the position adjustment of the rotating armrest plate 6 can be realized.

In this embodiment, it is preferable that the fixing plate 21 is further screwed on one side of the seat plate 2, a plurality of screw holes 22 and screws 23 are provided on the fixing plate 21, a screw groove 61 is further provided at one end of the corresponding rotating armrest plate 6, one end of the fixing plate 21 is connected to one side of the seat plate 2 through the screws 23, the other side of the fixing plate 21 is fixed to the screw groove 61 on the rotating armrest plate through the screws 23, and when the rotating armrest plate 6 is used as a normal armrest, the sliding of the rotating armrest plate is avoided through the screws 23 and the screw grooves 61 on the fixing plate 21; when the rotary armrest plate 6 is used as the middle sliding plate, the fixed plate 21 on the chair plate can be detached or the extension end is transferred to the rear of the chair seat, so that unnecessary injury (such as head touching and other problems) to operators is avoided when patients transfer; the upper rear part of the chair plate 2 is also provided with two pushing hands 24, the pushing hands 24 are provided with threaded rubber sleeves 25, and the arrangement of the threaded rubber sleeves 25 can increase the stress area of an operator in contact with the threaded rubber sleeves and increase the stability when pushing the wheelchair.

In this embodiment, it is preferable that the seat 1 is further provided with a sliding cushion 16 and a fixed cushion 17, the fixed cushion 17 is fixed at the rear end of the upper surface of the seat 1, the sliding cushion 16 is movably disposed at the front end of the upper surface of the seat 1, the sliding cushion 16 is flush with the fixed cushion 17, the sliding cushion 16 and the fixed cushion 17 can be made of elastic materials, so that comfort of a patient during transferring or sitting and leaning can be improved, a support rod 18 is further disposed at the bottom of the sliding cushion 17, a sliding wheel 19 is disposed at the bottom of the support rod 18, and the sliding cushion 16 can move on the first slide rail through the sliding wheel 19 at the bottom; the support bar 18 is made of hard materials, and the upper end surface of the support bar, which is contacted with the sliding cushion, can be matched with the size of the sliding groove, so that discomfort of a patient is reduced.

In this embodiment, the first groove 11 is preferably in a longitudinal row structure and is in a strip shape, and the size of the first groove is matched with that of the rotating handrail; the second groove 12 is in a square structure, and the size of the second groove is matched with that of the universal platform; and the first groove 11 is communicated with the second groove 12, which can facilitate the rotation adjustment between the universal shaft and the rotating handrail plate.

In this embodiment, the height of the first sliding groove 13 is preferably lower than that of the first groove 11, the first sliding groove 13 and the first groove 11 are in a vertical structure, and the two are communicated left and right, which can not affect the placement of the rotating handrail plate and the movement of the sliding wheel on the sliding rail.

In this embodiment, preferably, the rotating armrest plate 6 is further provided with a second sliding groove 62, and the second sliding groove 62 is further provided with a second sliding rail 63, and the second sliding groove 62 and the second sliding rail 63 are consistent with the shape and the size of the first sliding groove 13 and the first sliding rail 14 on the seat, and after the rotating armrest plate 6 rotates to be horizontal, the second sliding groove 62 and the second sliding rail 63 on the rotating armrest plate can form a horizontal track with the first sliding groove 13 and the first sliding rail 14 on the seat, and the distance between the first sliding rail 14 and the second sliding rail 63 is smaller than the size of the sliding wheel 19, so that the sliding wheel on the sliding cushion can stably transition from the first sliding rail 14 to the second sliding rail 63, and the sliding wheel on the sliding cushion can conveniently realize excessive sliding between the sliding rail and the sliding wheel.

In this embodiment, preferably, the bottom of the seat 1 is further provided with a fixing support block 110, the fixing support block 110 extends to one side of the seat and is in butt joint with the rotated rotating armrest plate 6, and the fixing support block 110 is provided with a plurality of threaded holes 22 and screws 23, and the whole thought and structure of the fixing support block are consistent with those of the fixing plate 21 on one side of the seat, so that the rotated rotating armrest plate and the fixing support block are fixed by arranging the corresponding threaded holes 22 and screws 23, and thus a supporting effect can be played on a patient on the sliding cushion in the sliding process of the sliding cushion, so that the stability of the device is increased, and breakage of the device is avoided.

The application method of the invention comprises the following steps: when the wheelchair is used as a normal wheelchair, an operator holds the armrests to push a patient with leg dysfunction to move, and when the patient is transferred from the wheelchair to the bed body, the wheelchair is braked and stopped, so that the patient is prevented from sliding, then the rotating armrest plate is rotated to perform one L-shaped rotating operation, the rotating armrest plate and the chair seat are in a horizontal state in a final rotating state, the second sliding rail, the first sliding groove and the first sliding rail on the chair seat are in butt joint, then the sliding cushion is pushed, and the sliding wheel at the bottom of the sliding cushion moves on the sliding rail, so that the patient is driven to move from the wheelchair to the bed body, the transmission from the chair to the bed of the patient is realized, the manual carrying and holding work load of the operator is reduced, and the transferring efficiency and the transferring safety are improved.

It should be noted that: the invention has simple structure and convenient operation, integrally adopts the pure mechanization principle, has lower manufacturing cost compared with the traditional electric drive, saves cost, avoids waste, reduces the workload of the traditional manual transfer, improves the working efficiency, reduces the danger of carrying and holding patients by operators in the transfer process from the wheelchair to the bed body, and improves the safety in the transfer process; meanwhile, the structure in the device is mainly plastic and metal small fixing pieces, the whole quality is controllable, the carrying and the use are convenient, and the device is favorable for wide popularization and use.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and additions to the present invention may be made by those skilled in the art without departing from the principles of the present invention and such modifications and additions are to be considered as well as within the scope of the present invention.

Claims

1. The multifunctional transposition wheelchair comprises a chair seat, a chair plate, fixed armrests, driving wheels and foot pedals, and is characterized by further comprising a rotary armrest plate, wherein the rotary armrest plate is positioned on one side of the chair seat and is detachably connected with the chair seat; a first groove is formed in one side of the seat, a second groove is formed right in front of the first groove, a first sliding groove is formed in one side of the first groove, a first sliding rail is further arranged in the sliding groove, a rotating armrest plate is placed in the first groove, a universal seat table is placed in the second groove, a universal shaft is also placed in the universal seat table, openings are formed in the periphery of the universal seat table and the central position of the upper surface, the openings are spherical and rectangular, the universal shaft comprises a universal ball head and a shaft rod, the universal ball head is fixedly connected with the shaft rod, the universal ball head is movably placed in the universal seat table, the shaft rod at one end of the universal ball head is fixedly connected with the rotating armrest plate, and the rotating armrest plate can rotate in different directions in the universal seat table through the universal shaft; and a shaft rod overturning accommodating groove is further formed in one side of the second groove, and is communicated with the second groove.

2. The multifunctional indexing wheelchair according to claim 1, wherein a fixing plate is further screwed on one side of the chair plate, a plurality of threaded holes and screws are formed in the fixing plate, a thread groove is formed in one end of the corresponding rotating armrest plate, one end of the fixing plate is connected with one side of the chair plate through the screws, and the other side of the fixing plate is fixed with the thread groove on the rotating armrest plate through the screws; two pushing hands are arranged above the back of the chair plate, and a threaded rubber sleeve is arranged on the pushing hands.

3. The multifunctional indexing wheelchair according to claim 1, wherein a sliding cushion and a fixed cushion are further arranged on the seat, the fixed cushion is fixed at the rear end of the upper surface of the seat, the sliding cushion is movably arranged at the front end of the upper surface of the seat, the sliding cushion is flush with the fixed cushion, a supporting rod is further arranged at the bottom of the sliding cushion, a sliding wheel is arranged at the bottom of the supporting rod, and the sliding seat can move on the first sliding rail through the sliding wheel at the bottom.

4. The wheelchair of claim 1 wherein the first recess is in a longitudinal configuration and is elongated and sized to fit the size of the rotating armrest; the second groove is of a cube structure, and the size of the second groove is matched with that of the universal platform; and the first groove is communicated with the second groove.

5. The multifunctional indexing wheelchair of claim 1, wherein the first chute is lower than the first groove, and the first chute and the first groove are in a vertical structure and are communicated with each other in the left-right direction.

6. The multifunctional indexing wheelchair of claim 1, wherein the rotating armrest plate is further provided with a second sliding groove, the second sliding groove is further provided with a second sliding rail, the second sliding groove and the second sliding rail are consistent with the first sliding groove and the first sliding rail on the seat, and the second sliding groove and the second sliding rail on the rotating armrest plate can form a horizontal track with the first sliding groove and the first sliding rail on the seat after the rotating armrest plate rotates to be horizontal.

7. The multifunctional indexing wheelchair of claim 1, wherein a fixed support block is further arranged at the bottom of the seat, the fixed support block extends to one side of the seat and is in butt joint with the rotated rotating armrest plate, and a plurality of threaded holes are formed in the fixed support block.