CN214549883U - Adjustable wheelchair structure convenient for patient to move - Google Patents

Abstract

The utility model discloses an adjustable wheelchair structure convenient for patients to move, which comprises an I-shaped base, support columns are fixedly connected with the four corners of the base, lifting columns are connected in the support columns in a sliding way, the upper ends of the lifting columns are fixedly connected with a seat plate, handrails are fixedly connected with the upper ends of the two sides of the seat plate, a connecting rod is fixedly connected between one end of each handrail and the seat plate, and a backrest is arranged between the two connecting rods, a T-shaped block is fixedly connected on the side wall of the connecting rod close to the backrest, and T-shaped grooves matched with the T-shaped block are respectively arranged on the side walls at the two ends of the backrest, after the backrest of the utility model is attached to the bedside, the backrest can slide downwards along the T-shaped block through the T-shaped grooves, the upper end of the backrest is kept level with the seat plate, so that the patient can be directly moved to the wheelchair from the sickbed with the help of medical care, the workload of medical care personnel is reduced, and the wheelchair is safer.

Description

Adjustable wheelchair structure convenient for patient to move

Technical Field

The utility model relates to a wheelchair articles for use technical field specifically is a wheelchair structure with adjustable be convenient for patient removes.

Background

Some patients are inconvenient to move, when the patients need to be transferred, the wheelchair can be generally used, but the existing wheelchair can only be pushed beside a sickbed when in use, then medical care personnel can assist the patients to the wheelchair from the sickbed, and for the patients who cannot normally stand, the patients need to be lifted to the wheelchair by medical care, so that the physical consumption of the medical care personnel is large, and great potential safety hazards exist in the process of assisting and lifting, therefore, an adjustable wheelchair structure convenient for the patients to move is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wheelchair structure with adjustable be convenient for patient removes to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable wheelchair structure convenient for a patient to move comprises an I-shaped base, wherein support columns are fixedly connected to four corners of the base, lifting columns are connected to the support columns in a sliding mode, a seat plate is fixedly connected to the upper ends of the lifting columns, handrails are fixedly connected to the upper ends of two sides of the seat plate, connecting rods are fixedly connected between one ends of the handrails and the seat plate, a backrest is arranged between the two connecting rods, a T-shaped block is fixedly connected to the side wall, close to the backrest, of the connecting rod, T-shaped grooves matched with the T-shaped block are formed in the side walls of two ends of the backrest, inserting holes are formed in the lower end of the backrest, an engaging groove is formed in the seat plate, a pull rod is connected to the side wall of the engaging groove in a sliding mode through a spring, one end, far away from the spring, of the pull rod penetrates through the side wall of the seat plate and is fixedly connected with a pull ring, a gear column is arranged on one side of the pull rod, the pull rod is connected with the lower end of the gear column in a meshed mode, and the upper end of the gear column is connected with the insertion rod which can be inserted into the insertion hole in a meshed mode.

Preferably, the side walls at the two ends of the backrest are respectively provided with a limiting groove, and the lower end of the connecting rod is fixedly connected with a limiting block which can slide in the limiting groove.

Preferably, the upper end surface of the base is fixedly connected with a lower ejector block, the lower end surface of the seat plate is fixedly connected with an upper ejector block, a first lower ejector rod and a second lower ejector rod are hinged in the lower ejector block, one ends of the first lower ejector rod and the second lower ejector rod, which are close to the base, are mutually engaged, a first upper ejector rod and a second upper ejector rod are hinged in the upper ejector block, one ends of the first upper ejector rod and the second upper ejector rod, which are close to the seat plate, are mutually engaged, one end of the first lower ejector rod, which is far away from the base, is mutually articulated with one end of the first upper ejector rod, which is far away from the seat plate, one end of the second lower ejector rod, which is far away from the base, is mutually articulated with one end of the second upper ejector rod, which is far away from the seat plate, a first rotating ring is rotatably connected to the side wall of the first lower ejector rod, a second rotating ring is rotatably connected to the side wall of the second lower ejector rod, a lifting stud penetrates through the first rotating ring and the second rotating ring, the lifting stud is meshed with the first rotating ring, positioning rings are fixedly connected to the two ends of the side wall of the lifting stud, which are located on the second rotating ring, and a rotating handle is fixedly connected to one end, close to the second rotating ring, of the lifting stud.

Preferably, the one end that the back was kept away from to two handrails is between the seat respectively the first regulation pole of fixedly connected with and the second regulation pole, the first regulation pole internal rotation is connected with adjusting screw, adjusting screw keeps away from the one end of seat and runs through the last lateral wall and the fixedly connected with adjustable ring of first regulation pole, the second is adjusted the interior fixedly connected with slide bar of pole, the one end that the back was kept away from to the seat is equipped with the pedal frame, the one end that the pedal frame is close to first regulation pole is connected with the adjusting screw meshing, the one end and the slide bar sliding connection of pedal frame near the second regulation pole.

Preferably, two gyro wheels are installed to the one end that the base is close to the pedal frame, two universal wheels are installed to the one end that the base is close to the back, the upper end fixedly connected with handle of back lateral wall.

Compared with the prior art, the beneficial effects of the utility model are that:

after the backrest of the utility model is attached to the bedside, the backrest can slide downwards along the T-shaped block through the T-shaped groove, so that the upper end of the backrest is level with the seat plate, and a patient can be directly moved to the wheelchair from a sickbed with the help of medical care, thereby reducing the workload of medical care personnel and being safer;

after the limiting block of the utility model slides to the topmost end of the limiting groove, the backrest can not slide downwards continuously, and the backrest is prevented from being completely separated from the T-shaped block;

the height of the seat plate of the utility model can be adjusted, so that the seat plate is level with the bed height, and the patient can conveniently sit on the wheelchair;

the utility model discloses the height of pedal frame can be adjusted, is convenient for adapt to the patient of different heights.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the T-shaped block and the T-shaped groove of the present invention;

FIG. 3 is a cross-sectional view of the seat and the pull ring of the present invention;

fig. 4 is an enlarged view of a point a in fig. 3 according to the present invention;

FIG. 5 is an exploded view of the insertion hole and the insertion rod of the present invention;

fig. 6 is a schematic structural view of the armrest and the backrest of the present invention;

fig. 7 is an enlarged view of the position B in fig. 6 according to the present invention;

fig. 8 is a cross-sectional view of the lower top block and the upper top block of the present invention;

fig. 9 is a cross-sectional view of a first swivel and a second swivel of the present invention;

fig. 10 is a sectional view of the first adjusting lever and the adjusting screw according to the present invention;

fig. 11 is a sectional view of the second adjusting lever and the sliding rod of the present invention.

In the figure: 1. the lifting device comprises a base, 2, a supporting column, 3, a lifting column, 4, a seat plate, 5, a handrail, 6, a connecting rod, 7, a backrest, 8, a T-shaped block, 9, a T-shaped groove, 10, a plugging hole, 11, a meshing groove, 12, a spring, 13, a pull rod, 14, a pull ring, 15, a gear column, 16, a plugging rod, 17, a limiting groove, 18, a limiting block, 19, a lower jacking block, 20, an upper jacking block, 21, a first lower jacking rod, 22, a second lower jacking rod, 23, a first upper jacking rod, 24, a second upper jacking rod, 25, a first rotating ring, 26, a second rotating ring, 27, a lifting stud, 28, a positioning ring, 29, a rotating handle, 30, a first adjusting rod, 31, a second adjusting rod, 32, an adjusting screw, 33, an adjusting ring, 34, a sliding rod, 35, a pedal frame, 36, a roller, 37, a universal wheel, 38 and a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: an adjustable wheelchair structure convenient for a patient to move comprises an I-shaped base 1, wherein four corners of the base 1 are fixedly connected with supporting columns 2, lifting columns 3 are connected in the supporting columns 2 in a sliding manner, the lifting columns 3 can slide up and down in the supporting columns 2, meanwhile, the four lifting columns 3 can prevent a seat plate 4 from being inclined, the upper ends of the lifting columns 3 are fixedly connected with the seat plate 4, the upper ends of two sides of the seat plate 4 are fixedly connected with handrails 5, connecting rods 6 are fixedly connected between one ends of the handrails 5 and the seat plate 4, a backrest 7 is arranged between the two connecting rods 6, the backrest 7 is used for the patient to lean against, T-shaped blocks 8 are fixedly connected on the side walls of the connecting rods 6 close to the backrest 7, T-shaped grooves 9 matched with the T-shaped blocks 8 are formed on the side walls of two ends of the backrest 7, and the backrest 7 can slide up and down on the T-shaped blocks 8 through the T-shaped grooves 9, the lower end of the backrest 7 is provided with an insertion hole 10, the seat plate 4 is internally provided with an engagement groove 11, the side wall of the engagement groove 11 is connected with a pull rod 13 in a sliding manner through a spring 12, as shown in fig. 4, the spring 12 provides a pulling force for the pull rod 13 towards the inside of the engagement groove 11, one end of the pull rod 13, which is far away from the spring 12, penetrates through the side wall of the seat plate 4 and is fixedly connected with a pull ring 14, one side of the pull rod 13 is provided with a gear column 15, the pull rod 13 is engaged and connected with the lower end of the gear column 15, the pull rod 13, which slides in the engagement groove 11, can drive the gear column 15 to rotate, the upper end of the gear column 15 is engaged and connected with an insertion rod 16 which can be inserted into the insertion hole 10, the rotating gear column 15 can drive the insertion rod 16 to slide in a direction perpendicular to the pull rod 13, and when the insertion rod 16 is inserted into the insertion hole 10, the height of the backrest 7 is fixed;

before transferring patients on a sickbed, one end of a backrest 7 on the wheelchair is attached to the bedside, a pull ring 14 is pulled, the pull ring 14 drives a pull rod 13 to slide towards the outside of a seat plate 4, as shown in fig. 4, the pull rod 13 drives a gear column 15 to rotate clockwise, the gear column 15 rotating clockwise drives an insertion rod 16 to slide towards the inside of the seat plate 4, so that the insertion rod 16 is separated from an insertion hole 10, at the moment, the backrest 7 can slide downwards along a T-shaped block 8 through a T-shaped groove 9 to be in a state as shown in fig. 6, patients can be directly moved onto the wheelchair from the sickbed with the help of medical care, the workload of the medical care personnel is reduced, and the wheelchair is safer (when the existing wheelchair is used, patients with inconvenient legs and feet often need to be assisted or lifted onto the wheelchair from the sickbed by the medical care personnel, the physical strength of the medical care personnel is greatly consumed), after patients sit stably, the backrest 7 is pulled upwards, when the inserting hole 10 contacts with the inserting rod 16, as shown in fig. 4, the stretched spring 12 can pull the pull rod 13 towards the inside of the engaging groove 11, the pull rod 13 drives the gear column 15 to rotate counterclockwise, the gear column 15 drives the inserting rod 16 to slide towards the outside of the seat plate 4, so that the inserting rod 16 and the inserting hole 10 are inserted again, the height of the backrest 7 is fixed, and the medical staff can push the wheelchair to transfer patients.

Specifically, the side walls of the two ends of the backrest 7 are both provided with limiting grooves 17, the lower end of the connecting rod 6 is fixedly connected with a limiting block 18 capable of sliding in the limiting groove 17, when the backrest 7 slides downwards along the T-shaped block 8, as shown in fig. 7, when the limiting block 18 slides to the topmost end of the limiting groove 17, the backrest 7 cannot continuously slide downwards, the backrest 7 is prevented from being completely separated from the T-shaped block 8, and at the moment, the upper end of the backrest 7 is flush with the upper end of the seat plate 4.

In order to adapt to sickbeds with different heights, the height of the seat plate 4 is adjustable, specifically, the upper end surface of the base 1 is fixedly connected with a lower ejector block 19, the lower end surface of the seat plate 4 is fixedly connected with an upper ejector block 20, a first lower ejector rod 21 and a second lower ejector rod 22 are hinged in the lower ejector block 19, one ends of the first lower ejector rod 21 and the second lower ejector rod 22, which are close to the base 1, are engaged with each other, so that the first lower ejector rod 21 and the second lower ejector rod 22 can synchronously rotate in opposite directions, a first upper ejector rod 23 and a second upper ejector rod 24 are hinged in the upper ejector block 20, one ends of the first upper ejector rod 23 and the second upper ejector rod 24, which are close to the seat plate 4, are engaged with each other, so that the first upper ejector rod 23 and the second upper ejector rod 24 can synchronously rotate in opposite directions, one end of the first lower ejector rod 21, which is far away from the base 1, is hinged with one end of the first upper ejector rod 23, which is far away from the seat plate 4, one end of the second lower ejector rod 22, which is far away from the base 1, is hinged to one end of the second upper ejector rod 24, which is far away from the seat plate 4, the side wall of one end of the first lower ejector rod 21, which is far away from the base 1, is rotatably connected with a first rotating ring 25, the first rotating ring 25 rotates by taking a hinge shaft of the first lower ejector rod 21 and a hinge shaft of the first upper ejector rod 23 as an axis, the side wall of one end of the second lower ejector rod 22, which is far away from the base 1, is rotatably connected with a second rotating ring 26, the second rotating ring 26 rotates by taking a hinge shaft of the second lower ejector rod 22 and a hinge shaft of the second upper ejector rod 24 as an axis, a lifting stud 27 penetrates through between the first rotating ring 25 and the second rotating ring 26, the lifting stud 27 enables the first rotating ring 25 and the second rotating ring 26 to be kept at the same height, the lifting stud 27 is meshed with the first rotating ring 25, and positioning rings 28 are fixedly connected to both ends of the side wall of the lifting stud 27, which are positioned on the second rotating ring 26, a positioning ring 28 at two ends of the second rotating ring 26 fixes the lifting stud 27 and the second rotating ring 26, so that the lifting stud 27 can only rotate in the second rotating ring 26, and a rotating handle 29 is fixedly connected to one end of the lifting stud 27 close to the second rotating ring 26;

referring to fig. 9, the rotating handle 29 is rotated in a forward direction, the rotating handle 29 drives the lifting stud 27 to rotate in a forward direction, the lifting stud 27 drives the first rotating ring 25 to move in a right direction, the first rotating ring 25 moving in the right direction drives the first lower prop 21 to rotate clockwise around the hinge shaft of the first lower prop 21 and the lower prop 19, the first rotating ring 25 moving in the right direction drives the first upper prop 23 to rotate counterclockwise around the hinge shaft of the first upper prop 23 and the upper prop 20, at the same time, the first lower prop 21 drives the second lower prop 22 to rotate counterclockwise around the hinge shaft of the second lower prop 22 and the lower prop 19, the first upper prop 23 drives the second upper prop 24 to rotate clockwise around the hinge shaft of the second upper prop 24 and the upper prop 20, so that the first rotating ring 25 and the second rotating ring 26 approach to the center at the same time, the seat plate 4 is lifted up, and similarly, when the rotating handle 29 is rotated in a reverse direction, the height of the seat plate 4 is lowered, therefore, when the backrest 7 is attached to the bedside, the rotating handle 29 is rotated to adjust the height of the seat plate 4, so that the seat plate 4 is level with the bed height, and a patient can sit on the wheelchair conveniently.

In order to adapt to patients with different heights, the height of the pedal frame 35 is adjustable, specifically, a first adjusting rod 30 and a second adjusting rod 31 are respectively fixedly connected between one end of the two armrests 5 far away from the backrest 7 and the seat plate 4, the first adjusting rod 30 and the second adjusting rod 31 are respectively positioned at two ends of the seat plate 4, an adjusting screw 32 is rotatably connected in the first adjusting rod 30, one end of the adjusting screw 32, which is far away from the seat plate 4, penetrates through the upper side wall of the first adjusting rod 30 and is fixedly connected with an adjusting ring 33, the adjusting screw 32 can be driven to rotate by rotating the adjusting ring 33, a sliding rod 34 is fixedly connected in the second adjusting rod 31, a pedal frame 35 is arranged at one end of the seat plate 4 far away from the backrest 7, so that the patient can conveniently step on the seat plate, one end of the pedal frame 35, which is close to the first adjusting rod 30, is engaged with the adjusting screw rod 32, and one end of the pedal frame 35, which is close to the second adjusting rod 31, is slidably connected with the slide bar 34;

because pedal frame 35 is close to the one end and the slide bar 34 sliding connection of second regulation pole 31, so when adjusting screw 32 rotated, pedal frame 35 just can't follow adjusting screw 32 and rotate, corotation adjustable ring 33 alright drive adjusting screw 32 and carry out the corotation this moment, adjusting screw 32 just can drive pedal frame 35 rebound, the same thing reversal adjustable ring 33, adjusting screw 32 just can drive pedal frame 35 rebound, thereby can adjust the height of pedal frame 35, be convenient for adapt to the patient of different heights.

Specifically, two gyro wheels 36 are installed to the one end that base 1 is close to pedal frame 35, two universal wheels 37 are installed to the one end that base 1 is close to back 7, choose for use from the universal wheel 37 of taking the locking, with back 7 laminating bedside back, can lock universal wheel 37, prevent that the wheelchair from producing and slide, the upper end fixedly connected with handle 38 of back 7 lateral wall, the medical personnel of being convenient for promote the wheelchair to when the upper end of back 7 glides downwards to the upper end of seat 4 and holds at ordinary times, that is to hold at ordinary times with the bed height, handle 38 can be taken on the bed surface this moment, can not influence the use of this device.

The working principle is as follows: before transferring a patient on a sickbed, one end of a backrest 7 on the wheelchair is attached to the bedside, a rotating handle 29 is rotated to adjust the height of a seat plate 4, so that the seat plate 4 is level with the bed height, then a pull ring 14 is pulled, the pull ring 14 drives a pull rod 13 to slide towards the outside of the seat plate 4, as shown in figure 4, the pull rod 13 drives a gear column 15 to rotate clockwise, the gear column 15 rotating clockwise drives an insertion rod 16 to slide towards the inside of the seat plate 4, so that the insertion rod 16 is separated from an insertion hole 10, at the moment, the backrest 7 can slide downwards along a T-shaped block 8 through a T-shaped groove 9 to be in the state as shown in figure 6, at the moment, the patient can be directly moved onto the wheelchair from the sickbed with the help of medical care, after the patient sits stably, the backrest 7 is pulled upwards, when the insertion hole 10 is contacted with the insertion rod 16, as shown in figure 4, the pull rod 13 can be pulled towards the inside of an engagement groove 11 by a stretched spring 12, pull rod 13 drives gear post 15 anticlockwise rotation, and gear post 15 drives peg graft pole 16 and slides to the outside of seat 4 for peg graft pole 16 resumes with spliced eye 10 and pegs graft, and the height of back 7 will be fixed this moment, and medical personnel alright shift the disease with promoting the wheelchair.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a wheelchair structure with adjustable convenient to patient removes, is including base (1) that is the I-shaped, its characterized in that: the four corners of the base (1) are fixedly connected with supporting columns (2), the supporting columns (2) are connected with lifting columns (3) in a sliding mode, the upper ends of the lifting columns (3) are fixedly connected with seat plates (4), the upper ends of two sides of the seat plates (4) are fixedly connected with handrails (5), connecting rods (6) are fixedly connected between one ends of the handrails (5) and the seat plates (4), a backrest (7) is arranged between the two connecting rods (6), T-shaped blocks (8) are fixedly connected onto the side walls, close to the backrest (7), of the connecting rods (6), T-shaped grooves (9) matched with the T-shaped blocks (8) are formed in the side walls of two ends of the backrest (7), inserting holes (10) are formed in the lower end of the backrest (7), engaging grooves (11) are formed in the seat plates (4), pull rods (13) are connected to the side walls of the engaging grooves (11) in a sliding mode through springs (12), one end, far away from spring (12), of pull rod (13) runs through the side wall of seat (4) and is fixedly connected with pull ring (14), one side of pull rod (13) is equipped with gear column (15), pull rod (13) is connected with the lower extreme meshing of gear column (15), the upper end meshing of gear column (15) is connected with spliced pole (16) that can peg graft with spliced eye (10).

2. The adjustable wheelchair structure of claim 1 wherein: all open on the both ends lateral wall of back (7) and have restriction groove (17), the lower extreme fixedly connected with of connecting rod (6) can be in restriction inslot (17) gliding restriction piece (18).

3. The adjustable wheelchair structure of claim 1 wherein: the upper end face of the base (1) is fixedly connected with a lower ejector block (19), the lower end face of the seat plate (4) is fixedly connected with an upper ejector block (20), a first lower ejector rod (21) and a second lower ejector rod (22) are hinged in the lower ejector block (19), one ends, close to the base (1), of the first lower ejector rod (21) and the second lower ejector rod (22) are meshed with each other, a first upper ejector rod (23) and a second upper ejector rod (24) are hinged in the upper ejector block (20), one ends, close to the seat plate (4), of the first upper ejector rod (23) and the second upper ejector rod (24) are meshed with each other, one end, far away from the base (1), of the first lower ejector rod (21) and one end, far away from the seat plate (4), of the first upper ejector rod (23) and one end, far away from the base (1), of the second lower ejector rod (22) and one end, far away from the seat plate (4), of the second upper ejector rod (24) are hinged with each other, first ejector pin (21) is kept away from on the one end lateral wall of base (1) and is rotated and be connected with first swivel (25), second ejector pin (22) is kept away from and is rotated on the one end lateral wall of base (1) and be connected with second swivel (26), it has lift double-screw bolt (27) to run through between first swivel (25) and second swivel (26), lift double-screw bolt (27) are connected with first swivel (25) meshing, the equal fixedly connected with holding ring (28) in both ends that just is located second swivel (26) on the lateral wall of lift double-screw bolt (27), lift double-screw bolt (27) are close to the one end fixedly connected with commentaries on classics handle (29) of second swivel (26).

4. The adjustable wheelchair structure of claim 1 wherein: the utility model discloses a chair, including seat (4), the one end of backrest (7) is kept away from in two handrail (5) respectively fixedly connected with first regulation pole (30) and second regulation pole (31), first regulation pole (30) internal rotation is connected with adjusting screw (32), the one end that seat (4) were kept away from in adjusting screw (32) runs through the last lateral wall and the fixedly connected with adjustable ring (33) of first regulation pole (30), second regulation pole (31) internal fixation is connected with slide bar (34), the one end that seat (4) were kept away from backrest (7) is equipped with pedal frame (35), the one end that pedal frame (35) are close to first regulation pole (30) is connected with adjusting screw (32) meshing, pedal frame (35) are close to the one end and slide bar (34) sliding connection of second regulation pole (31).

5. The adjustable wheelchair structure of claim 1 wherein: two gyro wheels (36) are installed to the one end that base (1) is close to pedal frame (35), two universal wheels (37) are installed to the one end that base (1) is close to back (7), the upper end fixedly connected with handle (38) of back (7) lateral wall.

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