CN111728782A

CN111728782A - Wheelchair convenient for patient to get on or off bed

Info

Publication number: CN111728782A
Application number: CN202010763526.0A
Authority: CN
Inventors: 陈伟景
Original assignee: Zhongshan Chengbo Industrial Products Design Co Ltd
Current assignee: Zhongshan Chengbo Industrial Products Design Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-10-02

Abstract

The invention discloses a wheelchair convenient for a patient to get on or off a bed, which comprises a wheelchair body, a cushion, a foot bracket, a handrail, a cart handle and a backrest, wherein a first supporting plate is arranged on the wheelchair body and below the cushion, a lifting mechanism capable of driving the cushion to lift up and down is arranged on the first supporting plate, a second supporting plate is arranged at the rear end of the wheelchair body, a first fixed block is arranged on the upper surface of the second supporting plate, first vertical guide grooves are communicated and arranged on the left side and the right side of the first fixed block, a moving block is movably arranged in the first vertical guide grooves, one side of the moving block is hinged with the cushion, the backrest is arranged at the upper end of the moving block, a spreading mechanism capable of driving the backrest to turn and be parallel to the cushion through the lifting of the cushion is arranged on the moving block, a second fixed block is arranged on the lower surface of the second supporting plate, and second vertical guide grooves are communicated and, and a supporting block is movably arranged in the second vertical guide groove.

Description

Wheelchair convenient for patient to get on or off bed

Technical Field

The invention relates to a wheelchair convenient for a patient to get on or off a bed.

Background

The wheelchair is a tool for riding instead of walk for special people such as disabled, elderly and weak, medical clinical rehabilitation patients and the like, and is widely applied due to convenience and easy operability; most of the existing wheelchairs allow the passengers to get off the wheelchairs from the front, and are difficult for some serious patients or people with high disability degree to leave the wheelchairs to go to bed for rest or to sit on the wheelchairs by themselves, and other people are often needed for help; for patients with lower body diseases, the wheelchair can be conveniently moved by using the force of the upper body or the upper limb, so that the wheelchair which can be unfolded and is convenient for the users to move up and down is needed to be designed.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the wheelchair which is convenient for patients to get on and off the bed.

In order to achieve the purpose, the invention adopts the following scheme: a wheelchair convenient for a patient to get on or off a bed comprises a wheelchair body, a cushion, a foot bracket, a handrail, a cart handle and a backrest, wherein a first supporting plate is arranged below the cushion on the wheelchair body, a lifting mechanism capable of driving the cushion to lift up and down is arranged on the first supporting plate, a second supporting plate is arranged at the rear end of the wheelchair body, a first fixed block is arranged on the upper surface of the second supporting plate, first vertical guide grooves are communicated with the left side and the right side of the first fixed block, a moving block is movably arranged in the first vertical guide grooves, one side of the moving block is hinged with the cushion, the backrest is arranged at the upper end of the moving block, an unfolding mechanism capable of driving the backrest to turn and be parallel to the cushion through the lifting of the cushion is arranged on the moving block, a second fixed block is arranged on the lower surface of the second supporting plate, and second vertical guide grooves are communicated with the left side and the, the activity is equipped with the supporting shoe in the vertical guide slot of second thereby be equipped with on the supporting shoe and drive the link gear that the supporting shoe moved down and propped ground through elevating system's work, according to such mechanism, rise the cushion through elevating system, the cushion is a little higher than the sick bed after rising, and drive the back through deployment mechanism and turn when rising through the cushion, make the back turn to the sick bed and with the cushion level, and the elevating system drives the supporting shoe through link gear and moves down in the work, make the supporting shoe support ground, prevent that the wheelchair automobile body from overturning, thereby patient just can pass through the movement of upper part of the body, thereby directly the sick bed moves the cushion on, or thereby the cushion moves on the sick bed, thereby patient can be independently the completion action of getting on the bed.

Furthermore, the lifting mechanism comprises a first I-shaped frame and a second I-shaped frame which are equal in length, the middle parts of the first I-shaped frame and the second I-shaped frame are hinged, the upper surface of the first supporting plate is symmetrically provided with a first supporting plate, one side of the first supporting plate is provided with a first transverse rail in a penetrating way, a second supporting plate is symmetrically arranged on the lower surface of the cushion, a second transverse rail is arranged on one side of the second supporting plate in a penetrating way, one end of the first I-shaped frame is hinged with the second supporting plate, the other end of the first I-shaped frame is movably arranged in the first transverse track, one end of the second I-shaped frame is hinged with the first supporting plate, the other end of the second I-shaped frame is movably arranged in the second transverse track, a push rod motor is arranged between the two first supporting plates on the upper surface of the first supporting plate, and a push rod of the push rod motor is connected with one end of the first I-shaped frame.

Further, the unfolding mechanism comprises racks which are symmetrically arranged on the upper surface of the second supporting plate and are vertically arranged, and a gear which can be meshed with the racks is arranged on a hinged shaft of the moving block and the cushion.

Furthermore, the linkage mechanism comprises oblique blocks symmetrically arranged on two sides of the supporting block, one end, located in the first transverse track, of the first I-shaped frame is provided with a jacking block capable of jacking the oblique blocks so as to enable the supporting block to move downwards, vertical tracks are respectively arranged at the front end and the rear end of the second fixing block, guide blocks are movably arranged in the vertical tracks and fixedly connected with the supporting block, and springs are connected between the lower surfaces of the guide blocks and the vertical tracks.

Furthermore, the handrail comprises first support columns symmetrically arranged on two sides of the wheelchair body, wherein a second support column is hinged to the first support columns, and a spongy cushion is arranged on the second support column.

Further, the cart handle includes that the symmetry sets up the third support column on the second layer board third support column upper end articulates there is the fourth support column upper end is equipped with the sponge cover.

Furthermore, the backrest comprises two support rods on which moving blocks are arranged at intervals, and backrest cloth is arranged on the two support rods.

Furthermore, the two side ends of the backrest cloth are fixedly connected to the support rods in a distributed manner.

Furthermore, a winding drum is sleeved on the support rod, and two end parts of the backrest cloth are distributed and wound in the winding drum.

Further, the cushion is including supporting framework be equipped with the cushion cloth on the supporting framework be equipped with the air cushion between cushion cloth and the supporting framework, the air cushion is connected with the pump.

In summary, compared with the prior art, the invention has the beneficial effects that: according to the wheelchair facilitating the patient to get on and off the bed, the cushion and the backrest are horizontally unfolded, so that the patient and the old can get on and off the bed independently in a moving mode, convenience is brought to the patient and the old, and the workload of medical care personnel and family members is reduced.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a second perspective view of the present invention.

FIG. 3 is a partial schematic view of the present invention.

FIG. 4 is a second partial schematic view of the present invention.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings: a wheelchair for facilitating getting on and off of a patient's bed as shown in fig. 1 to 4, in which the embodiment is as follows: the wheelchair comprises a wheelchair body 1, a cushion 2, a foot bracket 3, a handrail 4, a cart handle 5 and a backrest 6, wherein a first supporting plate 7 is arranged below the cushion 2 on the wheelchair body 1, a lifting mechanism 100 capable of driving the cushion 2 to lift up and down is arranged on the first supporting plate 7, a second supporting plate 8 is arranged at the rear end of the wheelchair body 1, a first fixed block 9 is arranged on the upper surface of the second supporting plate 8, first vertical guide grooves 10 are communicated with the left side and the right side of the first fixed block 9, a moving block 11 is movably arranged in the first vertical guide grooves 10, one side of the moving block 11 is hinged with the cushion 2, the backrest 6 is arranged at the upper end of the moving block 11, an unfolding mechanism 200 capable of driving the backrest 6 to turn and parallel to the cushion 2 through the lifting of the cushion 2 is arranged on the moving block 11, a second fixed block 12 is arranged on the lower surface of the second supporting plate 8, a second vertical guide groove 13 is communicated with the left side and the right side of the second fixed block 12, a supporting block 14 is movably arranged in the second vertical guide groove 13, the supporting block 14 is provided with a linkage mechanism 300 which can drive the supporting block 14 to move downwards to support the ground through the operation of the lifting mechanism 100, when in operation, the cushion 2 is lifted through the lifting mechanism 100, the cushion 2 is slightly higher than the sickbed after being lifted, the backrest 6 is driven to turn over by the unfolding mechanism 200 while the cushion 2 is lifted, so that the backrest 6 turns over to the sickbed and is horizontal to the cushion 2, when the lifting mechanism 100 works, the linkage mechanism 300 drives the supporting block 14 to move downwards, so that the supporting block 14 supports the ground to prevent the wheelchair body 1 from overturning, thereby patient just can be through the movement of upper part of the body, thereby directly the sick bed moves on cushion 2, or thereby cushion 2 moves on the sick bed, thereby patient can be autonomic the completion action of getting on or off the bed.

The lifting mechanism 100 of the invention comprises a first I-shaped frame 21 and a second I-shaped frame 22 which are equal in length, wherein the first I-shaped frame 21 is hinged with the middle part of the second I-shaped frame 22, a first supporting plate 23 is symmetrically arranged on the upper surface of a first supporting plate 7, a first transverse rail 24 is arranged on one side of the first supporting plate 23 in a penetrating way, a second supporting plate 25 is symmetrically arranged on the lower surface of a cushion 2, a second transverse rail 26 is arranged on one side of the second supporting plate 25 in a penetrating way, one end of the first I-shaped frame 21 is hinged with the second supporting plate 25, the other end of the first I-shaped frame 21 is movably arranged in the first transverse rail 24, one end of the second I-shaped frame 22 is hinged with the first supporting plate 23, the other end of the second I-shaped frame 22 is movably arranged in the second transverse rail 26, a push rod motor 27 is arranged between the two first supporting plates 23 on the upper surface of the first supporting, the push rod of the push rod motor 27 is connected with one end of the first I-shaped frame 21, a driving switch is arranged on the wheelchair body 1, and the driving switch is electrically connected with the push rod motor 27 and can drive the push rod motor 27 to work.

The unfolding mechanism 200 comprises racks 31 which are symmetrically arranged on the upper surface of the second supporting plate 8 and are vertically arranged, a gear 32 which can be meshed with the racks 31 is arranged on a hinged shaft of the moving block 11 and the seat cushion 2, the seat cushion 2 can drive the moving block 11 to ascend together when ascending, the moving block 11 is arranged in the first vertical guide groove 10, the purpose is to guide the moving block 11 to move up and down, the purpose is to prevent the moving block 11 from overturning backwards when the moving block 11 ascends in the first vertical guide groove 10, when the moving block 11 is separated from the first vertical guide groove 10, the gear 32 is meshed with the racks 31, the hinged shaft of the moving block 11 and the seat cushion 2 is fixed with the moving block 11, so that the moving block 11 can be driven to turn backwards, and further, the backrest 6 is driven to.

The linkage mechanism 300 comprises oblique blocks 41 symmetrically arranged on two sides of a supporting block 14, wherein one end of the first I-shaped frame 21, which is positioned in the first transverse track 24, is provided with a top block 42 capable of pushing the oblique blocks 41 to enable the supporting block 14 to move downwards, the front end and the rear end of the second fixing block 12 are respectively provided with a vertical track 43, a guide block 44 is movably arranged in the vertical track 43, the guide block 44 is fixedly connected with the supporting block 14, a spring 45 is connected between the lower surface of the guide block 44 and the vertical track 43, and when the linkage mechanism works, the first I-shaped frame 21 drives the top block 42 to push the oblique blocks 41 to drive the supporting block 14 to move downwards, so that the lower end surface of the supporting block 14 is tightly attached to the ground.

The armrest 4 comprises first support columns 51 symmetrically arranged on two sides of the wheelchair body 1, a second support column 52 is hinged to the first support columns 51, a sponge cushion 53 is arranged on the second support column 52, and the second support column 52 is turned towards two sides to be horizontal to the seat cushion 2.

The trolley handle 5 comprises third support columns 61 symmetrically arranged on the second supporting plate 8, the upper ends of the third support columns 61 are hinged with fourth support columns 62, sponge sleeves 63 are arranged at the upper ends of the fourth support columns 62, the fourth support columns 62 are turned backwards to be horizontal to the seat cushion 2, and when the fourth support columns 62 are turned backwards, the sponge sleeves 63 can be inserted into guardrails at the edges of sickbeds, so that the trolley body 1 can be prevented from shaking.

The backrest (6) comprises two support rods which are arranged on a moving block (11) at intervals, and backrest cloth is arranged on the two support rods.

In one embodiment of the invention, the two side ends of the backrest cloth are fixedly connected to the support rods.

In another embodiment of the invention, a winding drum is sleeved on the support rod, and two ends of the backrest cloth are distributed and wound in the winding drum. The backrest cloth can be replaced by rotating the winding drum.

The cushion 2 comprises a supporting framework, cushion cloth is arranged on the supporting framework, an air cushion is arranged between the cushion cloth and the supporting framework, and the air cushion is connected with an inflating pump.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a make things convenient for wheelchair of patient's getting on or off bed, includes wheelchair automobile body (1), cushion (2), foot bracket (3), handrail (4), shallow handle (5) and back (6), its characterized in that: a first supporting plate (7) is arranged below a cushion (2) on the wheelchair body (1), a lifting mechanism (100) capable of driving the cushion (2) to ascend and descend is arranged on the first supporting plate (7), a second supporting plate (8) is arranged at the rear end of the wheelchair body (1), a first fixed block (9) is arranged on the upper surface of the second supporting plate (8), first vertical guide grooves (10) are communicated with the left side and the right side of the first fixed block (9), a moving block (11) is movably arranged in the first vertical guide grooves (10), one side of the moving block (11) is hinged with the cushion (2), the backrest (6) is arranged at the upper end of the moving block (11), an unfolding mechanism (200) capable of driving the backrest (6) to turn and parallel to the cushion (2) through the ascending of the cushion (2) is arranged on the moving block (11), a second supporting plate (12) is arranged on the lower surface of the second supporting plate (8), the left side and the right side of the second fixing block (12) are communicated with second vertical guide grooves (13), supporting blocks (14) are movably arranged in the second vertical guide grooves (13), and linkage mechanisms (300) capable of driving the supporting blocks (14) to move downwards to support the ground through the work of the lifting mechanism (100) are arranged on the supporting blocks (14).

2. The wheelchair as claimed in claim 1, wherein the lifting mechanism (100) comprises a first I-shaped frame (21) and a second I-shaped frame (22) with equal length, the first I-shaped frame (21) is hinged with the middle part of the second I-shaped frame (22), a first supporting plate (23) is symmetrically arranged on the upper surface of the first supporting plate (7), a first transverse rail (24) is arranged on one side of the first supporting plate (23) in a penetrating manner, a second supporting plate (25) is symmetrically arranged on the lower surface of the seat cushion (2), a second transverse rail (26) is arranged on one side of the second supporting plate (25) in a penetrating manner, one end of the first I-shaped frame (21) is hinged with the second supporting plate (25), the other end of the first I-shaped frame (21) is movably arranged in the first transverse rail (24), one end of the second I-shaped frame (22) is hinged with the first supporting plate (23), the other end of the second I-shaped frame (22) is movably arranged in a second transverse track (26), a push rod motor (27) is arranged between the two first supporting plates (23) on the upper surface of the first supporting plate (7), and a push rod of the push rod motor (27) is connected with one end of the first I-shaped frame (21).

3. The wheelchair for facilitating getting on and off of a patient's bed as claimed in claim 1, wherein the unfolding mechanism (200) comprises racks (31) symmetrically arranged on the upper surface of the second supporting plate (8) and vertically arranged, and a gear (32) capable of meshing with the racks (31) is arranged on the hinged shaft of the moving block (11) and the cushion (2).

4. The wheelchair of claim 2, wherein the linkage mechanism (300) comprises two inclined blocks (41) symmetrically arranged on two sides of the supporting block (14), one end of the first I-shaped frame (21) in the first transverse track (24) is provided with a top block (42) capable of pushing the inclined block (41) to move the supporting block (14) downwards, the front end and the rear end of the second fixing block (12) are respectively provided with a vertical track (43), a guide block (44) is movably arranged in the vertical track (43), the guide block (44) is fixedly connected with the supporting block (14), and a spring (45) is connected between the lower surface of the guide block (44) and the vertical track (43).

5. The wheelchair as claimed in claim 1, wherein the armrests (4) comprise first support columns (51) symmetrically arranged on both sides of the wheelchair body (1), a second support column (52) is hinged on the first support columns (51), and a sponge pad (53) is arranged on the second support column (52).

6. The wheelchair for facilitating getting on and off of a patient is characterized in that the cart handle (5) comprises third support columns (61) symmetrically arranged on the second supporting plate (8), a fourth support column (62) is hinged to the upper end of the third support column (61), and a sponge sleeve (63) is arranged at the upper end of the fourth support column (62).

7. The wheelchair as claimed in claim 1, wherein the backrest (6) comprises two support rods spaced apart from each other on a movable block (11) and provided with a backrest cloth.

8. The wheelchair of claim 7, wherein the ends of the backrest cloth are fixedly connected to the support rods.

9. The wheelchair as claimed in claim 7, wherein a winding drum is sleeved on the support rod, and both ends of the backrest cloth are wound around the winding drum.

10. The wheelchair as claimed in claim 1, wherein the cushion (2) comprises a support frame, a cushion cloth is provided on the support frame, an air cushion is provided between the cushion cloth and the support frame, and the air cushion is connected with an inflator pump.