CN216021744U

CN216021744U - Portable high-strength wheelchair

Info

Publication number: CN216021744U
Application number: CN202122645503.2U
Authority: CN
Inventors: 王艳奎
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-15
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a portable high-strength wheelchair, and particularly relates to the technical field of wheelchairs. According to the utility model, the two side supports are bent into an integral structure by the round pipe, the welding point at the final connecting part is completed by welding, the whole side support is provided with only one welding point, the welding is less, the service life is prolonged, the production cost is reduced, and the two side supports are folded into the multi-angle special-shaped structure by the engineering mechanics principle, so that the whole side support has more supporting force, and the use stability and the safety are greatly increased.

Description

Portable high-strength wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a portable high-strength wheelchair.

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.

At present, the brackets on two sides of the traditional wheelchair are welded by a plurality of circular tubes, the process is complex, a plurality of welding ports are formed, the welding parts are easy to corrode and break after long-time use, the service life is influenced, the wheelchair is unsafe and high in production cost, and the hand support rods of the traditional wheelchair cannot be adjusted in a lifting mode and is not suitable for nursing staff of different heights to use.

SUMMERY OF THE UTILITY MODEL

To overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a portable high-strength wheelchair to solve the above-mentioned problems occurring in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a portable high-strength wheelchair comprises side supports, cross supports and a seat plate, wherein the seat plate is arranged between the two side supports, the number of the side supports and the number of the cross supports are respectively two, the two cross supports are connected through a pin shaft, the two side supports are respectively arranged on two sides of the two cross supports, the cross section of each side support is specially-shaped, the two side supports are integrally formed, supporting connecting frames are movably arranged in the two side supports, an upper cross rod and a lower cross rod are respectively and fixedly arranged at the top and the bottom of each cross support, U-shaped grooves are respectively formed in the front side and the rear side of each upper cross rod, the U-shaped grooves are sleeved on the side supports, pull ropes are fixedly arranged at the top of each upper cross rod, supporting connecting seats are fixedly arranged on two sides of the bottom of each upper cross rod, the bottoms of the supporting connecting seats are clamped on the supporting connecting frames, and the two lower cross rods are movably connected with the side supports through connecting sleeves, and a hand-held assembly is movably arranged at the top of the side support.

In a preferred embodiment, both ends of the support connecting frame are connected with the side bracket through rivets, and the support strength of the side bracket in the transverse direction is enhanced through the support connecting frame.

In a preferred embodiment, the outer wall of the side bracket is fixedly provided with a baffle, the side bracket is fixedly provided with a roller, and the front side of the side bracket is fixedly provided with a universal wheel for moving the whole device.

In a preferred embodiment, a bottom bracket is fixedly arranged at the bottom of the seat plate, U-shaped clamping grooves are formed in four corners of the bottom bracket, and the plurality of U-shaped clamping grooves are respectively formed in the two upper cross rods and clamped with the upper cross rods, so that the folding and unfolding are smoother.

In a preferred embodiment, the hand assembly comprises a first hand handle and a second hand handle, the cross section of the first hand handle is L-shaped, and the first hand handle is fixedly arranged on the side bracket through a connecting rod and is integrally formed with the side bracket.

In a preferred embodiment, the outer wall surface of the bottom of the second handle is provided with a plurality of first threaded holes, the top of the side support is fixedly provided with a sleeve, the outer wall surface of the sleeve is provided with a second threaded hole, the second threaded hole is internally threaded with a fixing knob, one end of the fixing knob is arranged in the first threaded hole and is in threaded connection with the first threaded hole, and the fixing knob is suitable for nursing staff with different heights.

In a preferred embodiment, leg supports are movably arranged on the front sides of the two side supports, the leg supports are movably connected with the side supports through connecting shafts, limiting rods are fixedly arranged on the side supports, the leg supports are arranged on the limiting rods, and each leg support is movably hinged with a pedal, so that the pedals can be conveniently stored for use.

The utility model has the technical effects and advantages that:

1. according to the utility model, the two side supports are bent into an integral structure by the round pipe, the welding point at the final connecting part is completed by welding, the whole side support is provided with only one welding point, the welding is less, the service life is prolonged, the production cost is reduced, and the two side supports are folded into the multi-angle special-shaped structure by the engineering mechanics principle, so that the whole side support has more supporting force, and the use stability and the safety are greatly increased.

2. Through all being provided with the support link on two lateral part supports, the both ends of supporting the link are through rivet and lateral part support's the vertical portion riveting of both sides, have increased the support intensity of lateral part support, have further increased the stability in use and the security of wheelchair.

3. Through be provided with the cross arm between two lateral part supports, cross arm's sheer pole and the inboard swing joint in lateral part support bottom, the riser lock joint around U type groove and lateral part support is passed through to cross arm both sides of cross arm, make folding, it is more smooth and easy to launch, go up the crossbar lower extreme and pass through supporting connection seat and supporting connection frame lock joint, it is folding to make cross arm upwards slide the completion through upwards pulling both sides stay cord, press the cross arm downwards, it makes its supporting connection seat and middle part supporting connection frame lock joint accomplish the use of launching to go up the crossbar, it carries to make things convenient for the wheelchair to accomodate.

4. Through setting up first-hand pole and second-hand pole, first-hand pole is direct to be passed through connecting rod and lateral part support integrated into one piece, and the second-hand pole is pegged graft with the sleeve pipe on the lateral part support, unscrews the fixing bolt in the second screwed hole, can adjust the height of second-hand pole from top to bottom, then screws up fixing bolt, just can spacing second-hand pole, is applicable to the nursing staff of different heights and uses.

5. The four corners of the bottom support of the seat plate are provided with the U-shaped clamping grooves, the U-shaped clamping grooves are connected with the cross support upper end cross rods in a clamped mode, the seat plate and the cross support are convenient to install and dismantle, when the wheelchair is stored, the seat plate can be detached from the upper cross rods of the cross support, the structure is simple, and the seat plate is convenient to use.

Drawings

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

Fig. 2 is a schematic view of a side bracket of the present invention.

Fig. 3 is a back view of the seat plate of the present invention.

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

Fig. 5 is a schematic view of a cross-brace of the present invention.

Fig. 6 is a schematic view of the support link of the present invention.

Fig. 7 is a schematic view of a first handrail of the present invention.

Fig. 8 is a schematic view of a second handrail of the present invention.

The reference signs are: 1. a side bracket; 2. a cross-brace; 3. a seat plate; 4. a support link; 5. an upper cross bar; 6. a lower cross bar; 7. a U-shaped groove; 8. pulling a rope; 9. supporting the connecting seat; 10. riveting; 11. a baffle plate; 12. a roller; 13. a universal wheel; 14. a bottom bracket; 15. a U-shaped clamping groove; 16. a first handle; 17. a second handle; 18. a connecting rod; 19. a first threaded hole; 20. a sleeve; 21. a second threaded hole; 22. fixing the knob; 23. a leg support; 24. a limiting rod; 25. a foot pedal.

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 the attached drawings 1-6 of the specification, the portable high-strength wheelchair of the embodiment comprises a lateral support 1, a cross support 2 and a seat 3, wherein the seat 3 is arranged between the two lateral supports 1, the number of the lateral supports 1 and the number of the cross support 2 are two, the two cross supports 2 are connected through a pin shaft, the two lateral supports 1 are respectively arranged at two sides of the two cross supports 2, the cross section of the lateral support 1 is shaped, the lateral support 1 is folded into a multi-angle and special-shaped structure by utilizing the principle of engineering mechanics, so that the whole lateral support 1 has supporting strength, the two lateral supports 1 are integrally formed, the whole lateral support 1 only has one welding point, the welding is less, the strength is higher, a supporting connecting frame 4 is movably arranged in the two lateral supports 1, two ends of the supporting connecting frame 4 are both connected with the lateral supports 1 through rivets 10, the transverse supporting strength of the lateral support 1 is enhanced, the top of the lateral support 1 is movably provided with a hand assembly, the outer wall of the lateral support 1 is fixedly provided with a baffle 11, the lateral support 1 is fixedly provided with a roller 12, the front side of the lateral support 1 is fixedly provided with a universal wheel 13, the front sides of the two lateral supports 1 are movably provided with leg supports 23, the leg supports 23 are movably connected with the lateral support 1 through connecting shafts, the lateral support 1 is fixedly provided with a limiting rod 24, the leg supports 23 are arranged on the limiting rod 24, the stability of the leg supports 23 on the lateral support 1 is improved, each leg support 23 is movably hinged with a pedal 25, and the feet of a user can be conveniently limited.

The implementation scenario is specifically as follows: when the wheelchair is used, a user firstly presses the two side supports 1 to separate the two side supports 1, the cross rods on the cross supports 2 slide downwards on the side supports 1 through the U-shaped grooves 7 until the supporting connecting seats 9 on the upper cross rods 5 are clamped on the supporting connecting frames 4, the two side supports 1 of the wheelchair are bent into an integral structure by a round pipe, the whole side support 1 only has one welding point, the welding is less, the service life is prolonged, the production cost is reduced, the two side supports 1 are folded into a multi-angle special-shaped structure through the engineering mechanics principle, the whole side support 1 has more supporting strength, the use stability and the safety are greatly increased, after the two side supports 1 are opened, the seat plate 3 is placed on the upper cross rods 5, then the pedal plate 25 is put down, the user can use the wheelchair, the supporting connecting frames 4 are arranged on the two side supports 1, the two ends of the supporting connecting frame 4 are fixedly riveted with the vertical parts at the two sides of the lateral support 1 through rivets 10, the supporting strength of the lateral support 1 is increased through the supporting connecting frame 4, and the use stability and the safety are increased.

Referring to the attached drawings 1, 3, 4 and 5 of the specification, in the portable high-strength wheelchair of the embodiment, the top and the bottom of each cross support 2 are respectively and fixedly provided with an upper cross bar 5 and a lower cross bar 6, the front and the back of each of the two upper cross bars 5 are both provided with a U-shaped groove 7, the U-shaped grooves 7 are sleeved on the side supports 1 to enable the folding and unfolding to be smoother, the top of each upper cross bar 5 is fixedly provided with a pull rope 8 to facilitate the operation of a user, the two sides of the bottom of each upper cross bar 5 are both fixedly provided with a support connecting seat 9, the bottom of each support connecting seat 9 is clamped on the support connecting seat 4 to improve the stability of each upper cross bar 5 and each support connecting seat 4, the two lower cross bars 6 are both movably connected with the side supports 1 through connecting sleeves, the bottom of each seat plate 3 is fixedly provided with a bottom support 14, the four corners of the bottom support 14 are both provided with U-shaped clamping grooves 15, a plurality of U-shaped clamping grooves 15 are respectively arranged on the two upper cross bars 5 and clamped with the upper cross bars 5, the U-shaped clamping groove is fixedly connected with the upper transverse rod 5 of the cross bracket 2 in a clamping manner, so that the clamping plate can be conveniently installed and detached.

The implementation scenario is specifically as follows: install bottom support 14 through the bottom at splint, all be provided with U-shaped draw-in groove 15 in bottom support 14's four corners, when installing seat 3, on clamping four U-shaped draw-in grooves 15 on bottom support 14 to two cross braces 2 on last horizontal pole 5, just can install seat 3, moreover, the steam chair is simple in structure, and convenient for operation, when the wheelchair is accomodate to needs, only need to extract splint from last horizontal pole 5, then pull stay cord 8 and drive horizontal pole 5 and shift up, it is close to each other to drive two cross braces 2 when shifting up to go up horizontal pole 5, two lateral part supports 1 are close to each other, just can accomodate whole wheelchair, reduce the occupation space of wheelchair, conveniently carry the use.

Referring to the attached

drawings

1, 4, 7 and 8 in the specification, the portable high-strength wheelchair of the embodiment includes a first handhold 16 and a second handhold 17, the cross section of the first handhold 16 is L-shaped, the first handhold 16 is fixedly arranged on the side support 1 through a connecting rod 18 and is integrally formed with the side support 1, the outer wall surface of the bottom of the second handhold 17 is provided with a plurality of first threaded holes 19, the top of the side support 1 is fixedly provided with a sleeve 20, the outer wall surface of the sleeve 20 is provided with a second threaded hole 21, the second threaded hole 21 is internally threaded with a fixing knob 22, one end of the fixing knob 22 is arranged in the first threaded hole 19 and is in threaded connection with the first threaded hole 19, the handhold of the wheelchair is of two use modes, the first handhold is of a non-height-adjustable type, the second handhold is of a height-adjustable type, can be selected for use according to the requirements of users.

The implementation scenario is specifically as follows: set up first handrail and second handrail and use, first handrail is direct to be connected with lateral part support 1 through connecting rod 18, the height that can not adjust first handrail as required when using is used, the sleeve pipe 20 on second handrail and the lateral part support 1 is pegged graft, be convenient for adjust the height of second handrail, after adjusting the height of second handrail, it is spacing in second screw hole 21 and the first screw hole 19 to use fixed knob 22 to twist, be applicable to the nursing staff of different heights and use.

And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a portable high strength wheelchair, includes lateral part support (1), cross support (2) and seat (3), establish between two lateral part supports (1) seat (3), lateral part support (1) and cross support (2) quantity all set up to two, through round pin hub connection between two cross supports (2), establish respectively in two cross support (2) both sides, its characterized in that for two lateral part supports (1): the cross section of each lateral support (1) is set to be special-shaped, the two lateral supports (1) are integrally formed, supporting connecting frames (4) are movably arranged inside the two lateral supports (1), an upper cross rod (5) and a lower cross rod (6) are fixedly arranged at the top and the bottom of each cross support (2) respectively, U-shaped grooves (7) are formed in the front side and the rear side of each upper cross rod (5), the U-shaped grooves (7) are sleeved on the lateral supports (1), pull ropes (8) are fixedly arranged at the tops of the upper cross rods (5), supporting connecting seats (9) are fixedly arranged on the two sides of the bottom of each upper cross rod (5), the bottoms of the supporting connecting seats (9) are clamped on the supporting connecting frames (4), the two lower cross rods (6) are movably connected with the lateral supports (1) through connecting sleeves, and hand-held assemblies are movably arranged at the tops of the lateral supports (1).

2. The portable high strength wheelchair as claimed in claim 1, wherein: and the two ends of the support connecting frame (4) are connected with the side support (1) through rivets (10).

3. The portable high strength wheelchair as claimed in claim 1, wherein: the outer wall of the side support (1) is fixedly provided with a baffle (11), the side support (1) is fixedly provided with a roller (12), and the front side of the side support (1) is fixedly provided with a universal wheel (13).

4. The portable high strength wheelchair as claimed in claim 1, wherein: the seat is characterized in that a bottom support (14) is fixedly arranged at the bottom of the seat plate (3), U-shaped clamping grooves (15) are formed in four corners of the bottom support (14), and the U-shaped clamping grooves (15) are respectively formed in the two upper cross rods (5) and are connected with the upper cross rods (5) in a clamping mode.

5. The portable high strength wheelchair as claimed in claim 1, wherein: the hand-held assembly comprises a first hand-held handle (16) and a second hand-held handle (17), the section of the first hand-held handle (16) is L-shaped, and the first hand-held handle (16) is fixedly arranged on the side support (1) through a connecting rod (18) and is integrally formed with the side support (1).

6. A portable high strength wheelchair in accordance with claim 5, wherein: the handle is characterized in that a plurality of first threaded holes (19) are formed in the surface of the outer wall of the bottom of the second handle (17), a sleeve (20) is fixedly arranged at the top of the side support (1), a second threaded hole (21) is formed in the surface of the outer wall of the sleeve (20), a fixing knob (22) is connected with the inner thread of the second threaded hole (21), and one end of the fixing knob (22) is arranged in the first threaded hole (19) and is in threaded connection with the first threaded hole (19).

7. The portable high strength wheelchair as claimed in claim 1, wherein: leg supports (23) are movably arranged on the front sides of the two side supports (1), the leg supports (23) are movably connected with the side supports (1) through connecting shafts, limiting rods (24) are fixedly arranged on the side supports (1), the leg supports (23) are arranged on the limiting rods (24), and pedals (25) are movably hinged on each leg support (23).