CN112494230A

CN112494230A - Wheelchair with antiskid structure

Info

Publication number: CN112494230A
Application number: CN202011469325.6A
Authority: CN
Inventors: 曹灵杰
Original assignee: Hangzhou Huahui Pharmaceutical Technology Co Ltd
Current assignee: Hangzhou Huahui Pharmaceutical Technology Co Ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-03-16

Abstract

The invention discloses a wheelchair with an anti-skid structure, which comprises a wheelchair frame, a first supporting rod and a handle, wherein a sleeve is arranged below the wheelchair frame, the right side of the sleeve is connected with a telescopic rod, the first supporting rod is arranged below the telescopic rod, a second supporting rod is connected below the first supporting rod, a main roller is arranged at the left lower part of the wheelchair frame, and the right side of the main roller is provided with a direction wheel, the inner side of the direction wheel is provided with a ratchet wheel, the left side of the ratchet wheel is provided with a clamping jaw, the left side of the clamping jaw is connected with a spring, a through hole is arranged at the inner side of the right end head of the clamping jaw, a connecting frame is arranged at the left side of the spring, a hook is arranged on the outer wall of the right side of the connecting frame, a pedal plate is arranged at the left side of the wheelchair frame, and the inner side of the pedal is provided with a fixing band, the outer side of the pedal is provided with a buckle, and the handle is arranged at the upper left of the wheelchair frame. The wheelchair with the anti-skid structure is additionally provided with the anti-skid structure, so that the wheelchair is more stable and safer in use.

Description

Wheelchair with antiskid structure

Technical Field

The invention relates to the technical field of wheelchair anti-skid devices, in particular to a wheelchair with an anti-skid structure.

Background

The wheelchair is an important tool for rehabilitation, not only is the walking tool for the disabled with limbs injured, but also is more important for the disabled to do physical exercise and participate in social activities by means of the wheelchair. The common wheelchair generally comprises a wheelchair frame, wheels, a brake device and a seat back. In the history of wheelchairs recognized in the world, the earliest record is that the carving of a chair with wheels on a stone coffin is also the precursor of a modern wheelchair in the period of south to north in China, the appearance of the wheelchair changes the mode of the physical handicapped going out, is easy for the physical handicapped going out, can facilitate the rehabilitation of patients, and can reduce the burden of accompanying and attending.

To skid-proof function more singleness and simple in the wheelchair use in market, be not convenient for protect the safety when patient uses to inconvenient accompanying and attending to the gliding phenomenon appears easily when accompanying and attending to and utilizing the handle to promote, and at the in-process on wheelchair upslope, because the strength restriction of manpower, make the smooth problem of wheelchair easily, for this reason, we propose a wheelchair with anti-skidding structure.

Disclosure of Invention

The invention aims to provide a wheelchair with an anti-skid structure, and aims to solve the problems that the wheelchair provided by the background art has single and simple anti-skid function in the use process, is inconvenient for protecting the safety of a patient in use, is inconvenient for pushing and moving accompanying personnel, is easy to slide when being pushed by a handle in accompanying, and is easy to slide due to the limitation of manpower strength in the process of ascending the wheelchair.

In order to achieve the purpose, the invention provides the following technical scheme: a wheelchair with an anti-skid structure comprises a wheelchair frame, a first supporting rod and a handle, wherein a sleeve is arranged below the wheelchair frame, the right side of the sleeve is connected with a telescopic rod, the first supporting rod is arranged below the telescopic rod, a second supporting rod is connected below the first supporting rod, a main roller is arranged at the left lower part of the wheelchair frame, and the right side of the main roller is provided with a direction wheel, the inner side of the direction wheel is provided with a ratchet wheel, the left side of the ratchet wheel is provided with a clamping jaw, the left side of the clamping jaw is connected with a spring, a through hole is arranged at the inner side of the right end head of the clamping jaw, a connecting frame is arranged at the left side of the spring, a hook is arranged on the outer wall of the right side of the connecting frame, a pedal plate is arranged at the left side of the wheelchair frame, and the inner side of the pedal is provided with a fixing band, the outer side of the pedal is provided with a buckle, and the handle is arranged at the upper left of the wheelchair frame.

Preferably, constitute extending structure between sleeve and the telescopic link, and the connected mode between sleeve and the telescopic link is connected for the joint, the connected mode between first bracing piece and the second bracing piece is threaded connection, and the structure of first bracing piece is hollow structure.

Preferably, the direction wheel forms a clamping structure with the connecting frame through the ratchet wheel and the clamping jaw, the clamping jaw is elastically connected with the connecting frame through a spring, and the direction wheel is fixedly connected with the ratchet wheel.

Preferably, the hook is of a buckling structure formed between the through hole and the clamping jaw, and the hook is movably connected with the connecting frame.

Preferably, the fixing strap is connected with the buckle in a buckling manner, and the fixing strap is uniformly provided with buckling holes.

Preferably, the handle is in an I-shaped structure, and the handle is connected with the wheelchair frame in a welding manner.

Compared with the prior art, the invention has the beneficial effects that:

1. the wheelchair with the anti-skidding structure is provided with the sleeve and the telescopic rod, the telescopic rod can extend out of the sleeve when the wheelchair stops, the first supporting rod and the second supporting rod are used for supporting, the contact area of the wheelchair and the ground is increased, the stability of the wheelchair is improved, the wheelchair is prevented from inclining due to the shaking of personnel on the wheelchair, the friction between the wheelchair and the ground can be increased through the contact of the second supporting rod and the ground, the sliding of the wheelchair is avoided, the telescopic rod can be retracted when the wheelchair is pushed, and the obstruction to the movement of the wheelchair is avoided;

2. the ratchet wheel and the clamping jaw are arranged, so that the ratchet wheel can be clamped by the clamping jaw in the process of ascending the wheelchair, the reverse rotation of the direction wheel is avoided, the wheelchair is prevented from sliding down the slope to cause danger, the clamping connection between the ratchet wheel and the clamping jaw can be pressed by the spring to avoid falling off, the through hole and the hook are arranged, the hook can be buckled in the through hole when the wheelchair is used on flat ground or needs to go backwards to the wheelchair, the ratchet wheel is separated from the clamping jaw, and the wheelchair can be flexibly moved;

3. set up fixed band and latch closure, can conveniently fix at the running-board to the foot of the patient of sitting the wheelchair, avoid sitting the in-process of wheelchair, the foot drops from the running-board easily, cause danger, can guarantee user's safety in utilization, set up the handle of I shape, can avoid sliding appearing in the in-process hand that the attendant promotes the wheelchair, the baffle at both ends can support the hand and block, make the attendant exert oneself easily when promoting the wheelchair, conveniently promote the wheelchair, increase the convenience of using.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the pedal, the fastening strap and the buckle of the present invention.

In the figure: 1. a wheelchair frame; 2. a sleeve; 3. a telescopic rod; 4. a first support bar; 5. a second support bar; 6. a main roller; 7. a steering wheel; 8. a ratchet wheel; 9. a claw; 10. a spring; 11. a through hole; 12. hooking; 13. a connecting frame; 14. a foot pedal; 15. fixing belts; 16. looping; 17. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a wheelchair with an anti-skid structure comprises a wheelchair frame 1, a sleeve 2, a telescopic rod 3, a first support rod 4, a second support rod 5, a main roller 6, a direction wheel 7, a ratchet 8, a jaw 9, a spring 10, a through hole 11, a hook 12, a connecting frame 13, a pedal plate 14, a fixing belt 15, a buckle 16 and a handle 17, wherein the sleeve 2 is arranged below the wheelchair frame 1, the right side of the sleeve 2 is connected with the telescopic rod 3, the first support rod 4 is arranged below the telescopic rod 3, the second support rod 5 is connected below the first support rod 4, the main roller 6 is arranged below the left side of the wheelchair frame 1, the direction wheel 7 is arranged on the right side of the main roller 6, the ratchet 8 is arranged on the inner side of the direction wheel 7, the jaw 9 is arranged on the left side of the ratchet 8, the spring 10 is connected on the left side of the jaw 9, the through hole 11 is arranged on the inner side of the right end of the jaw 9, the connecting, the outer wall of the right side of the connecting frame 13 is provided with a hook 12, the left side of the wheelchair frame 1 is provided with a pedal plate 14, the inner side of the pedal plate 14 is provided with a fixing belt 15, the outer side of the pedal plate 14 is provided with a ring buckle 16, and the upper left side of the wheelchair frame 1 is provided with a handle 17;

the telescopic structure is formed between the sleeve 2 and the telescopic rod 3, the connecting mode between the sleeve 2 and the telescopic rod 3 is clamped connection, the connecting mode between the first supporting rod 4 and the second supporting rod 5 is threaded connection, the structure of the first supporting rod 4 is a hollow structure, the sleeve 2 and the telescopic rod 3 are arranged, when the wheelchair is stopped, the telescopic rod 3 can extend out of the sleeve 2, the first supporting rod 4 and the second supporting rod 5 are used for supporting, the contact area of the wheelchair and the ground is increased, the stability of the wheelchair is improved, the wheelchair is prevented from inclining due to shaking of personnel on the wheelchair, the friction between the wheelchair and the ground can be increased due to the contact of the second supporting rod 5 and the ground, slipping of the wheelchair is avoided, the telescopic rod 3 can be retracted when the wheelchair is pushed, and obstruction to movement of the wheelchair is avoided;

the direction wheel 7 is connected with the connecting frame 13 through the ratchet wheel 8 and the claw 9 to form a clamping structure, the claw 9 is connected with the connecting frame 13 through the spring 10 in an elastic mode, the direction wheel 7 is connected with the ratchet wheel 8 in a fixed mode, the ratchet wheel 8 and the claw 9 are arranged, the ratchet wheel 8 can be clamped through the claw 9 in the process that the wheelchair ascends a slope, the reverse rotation of the direction wheel 7 is avoided, the wheelchair is prevented from sliding down the slope to cause danger, the clamping connection between the ratchet wheel 8 and the claw 9 can be pressed through the spring 10 to avoid falling off, the hook 12 is connected with the claw 9 through the through hole 11 to form a buckling structure, the hook 12 is movably connected with the connecting frame 13, the through hole 11 and the hook 12 are arranged, the hook 12 can be buckled in the through hole 11 when the wheelchair is used on flat ground or the wheelchair needs to go backwards, and the ratchet wheel 8 is separated from the claw 9, the wheelchair can be flexibly moved;

the connected mode between fixed band 15 and the latch closure 16 is the lock joint connection, and evenly be provided with the lock hole on the fixed band 15, set up fixed band 15 and latch closure 16, can conveniently fix the foot of the patient of the wheelchair at running-board 14, avoid sitting the in-process of wheelchair, the foot drops from running-board 14 easily, cause danger, can guarantee user's safety in utilization, the structure of handle 17 is I shape structure, and the connected mode between handle 17 and the wheelchair frame 1 is welded connection, set up the handle 17 of I shape, can avoid promoting the in-process hand of wheelchair at the attendant and slide, the baffle at both ends can support the hand and block, make the attendant give an effort easily when promoting the wheelchair, conveniently promote the wheelchair, increase the convenience of use.

The working principle is as follows: for the wheel chair with the antiskid structure, firstly, a disabled patient who cannot walk normally is seated on the wheel chair, so that the sole of the foot of the patient naturally falls on the pedal plate 14, the fixing belt 15 bypasses the instep of the patient and is buckled on the buckle 16 to fix the foot, then an attendant holds the handle 17 to push the wheel chair, the wheel chair frame 1 is driven to move by the rotation of the main roller 6 and the direction wheel 7, so as to move with the picture, the claw 9 can be put down when the wheel chair goes up the slope, the claw 9 is popped out by the spring 10 to clamp the ratchet 8, so that the direction wheel 7 can be prevented from reversely sliding down, when the claw 9 is not required to be clamped, the hook 12 on the connecting frame 13 can be hung on the through hole 11 of the claw 9, the claw 9 is folded, the wheel chair can move flexibly, when the wheel chair stops, the telescopic rod 3 is stretched out from the sleeve 2, and the connecting rod is clamped and fixed to prevent the telescopic rod 3 from retracting, and then the second support rod 5 is screwed to enable the second support rod 5 to extend downwards from the first support rod 4 and to be in contact with the ground, so that the stability of the wheelchair is improved, and the use process of the whole wheelchair with the anti-skidding structure is completed.

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

1. A wheelchair with an anti-skid structure comprises a wheelchair frame (1), a first support rod (4) and a handle (17), and is characterized in that: the wheelchair comprises a wheelchair frame (1), a sleeve (2) is installed below the wheelchair frame (1), a telescopic rod (3) is connected to the right side of the sleeve (2), a first supporting rod (4) is arranged below the telescopic rod (3), a second supporting rod (5) is connected below the first supporting rod (4), a main roller (6) is installed below the left side of the wheelchair frame (1), a direction wheel (7) is installed on the right side of the main roller (6), a ratchet wheel (8) is arranged on the inner side of the direction wheel (7), a clamping jaw (9) is arranged on the left side of the ratchet wheel (8), a spring (10) is connected to the left side of the clamping jaw (9), a through hole (11) is formed in the inner side of the right end of the clamping jaw (9), a connecting frame (13) is installed on the left side of the spring (10), a hook (12) is arranged on the outer wall of the right side of the connecting frame (13), and a pedal, and the inner side of the pedal (14) is provided with a fixing belt (15), the outer side of the pedal (14) is provided with a buckle (16), and the handle (17) is arranged at the upper left part of the wheelchair frame (1).

2. The wheelchair of claim 1 having a slip resistant construction, wherein: constitute extending structure between sleeve (2) and telescopic link (3), and the connected mode between sleeve (2) and telescopic link (3) is connected for the joint, connected mode between first bracing piece (4) and second bracing piece (5) is threaded connection, and the structure of first bracing piece (4) is hollow structure.

3. The wheelchair of claim 1 having a slip resistant construction, wherein: the direction wheel (7) is in a clamping structure through the ratchet wheel (8), the clamping jaw (9) and the connecting frame (13), the clamping jaw (9) is in elastic connection through the spring (10) and the connecting frame (13), and the direction wheel (7) is fixedly connected with the ratchet wheel (8).

4. The wheelchair of claim 1 having a slip resistant construction, wherein: the hook (12) is in a buckling structure through the through hole (11) and the clamping jaw (9), and the hook (12) is movably connected with the connecting frame (13).

5. The wheelchair of claim 1 having a slip resistant construction, wherein: the fixing strap (15) and the ring buckle (16) are connected in a buckling manner, and the fixing strap (15) is uniformly provided with buckling holes.

6. The wheelchair of claim 1 having a slip resistant construction, wherein: the structure of the handle (17) is I-shaped, and the handle (17) is connected with the wheelchair frame (1) in a welding way.