CN223453431U

CN223453431U - Wheelchair convenient to fold and release

Info

Publication number: CN223453431U
Application number: CN202422628291.0U
Authority: CN
Inventors: 贺顺晓; 王青; 雷红; 孙永胜; 孙瑞娟; 贺淑琴
Original assignee: Hebei Lechi Medical Equipment Co ltd
Current assignee: Hebei Lechi Medical Equipment Co ltd
Priority date: 2024-10-30
Filing date: 2024-10-30
Publication date: 2025-10-21
Anticipated expiration: 2034-10-30

Abstract

The utility model relates to the field of wheelchairs and discloses a wheelchair convenient to fold and unfold, which comprises two frames, wherein the inner sides of the frames are rotationally connected with two connecting rods, the middle parts of the two connecting rods are rotationally connected, the outer sides of the connecting rods are fixedly connected with supporting rods, the outer sides of the connecting rods are rotationally connected with locking rods, the outer sides of the locking rods are rotationally connected with supporting grooves I, the inner sides of the frames are fixedly connected with supporting grooves II, the outer sides of the frames are rotationally connected with tires, the bottoms of the front sides of the frames are rotationally connected with universal wheels, the front sides of the frames are provided with adjusting assemblies, the adjusting assemblies are used for adjusting pedals of the wheelchair, and the adjusting assemblies comprise shells. According to the utility model, the two support rods are simultaneously broken, and the support groove I is pulled by matching with the lock rod, so that the two frames are mutually close, and the support rods are supported by the support groove II during use, so that the folding or unfolding is time-saving and labor-saving, the operation can be performed by a single person, and the working efficiency is effectively improved.

Description

Wheelchair convenient to fold and release

Technical Field

The utility model relates to the field of wheelchairs, in particular to a wheelchair convenient to fold, retract and release.

Background

The wheelchair is an auxiliary tool specially designed for people with mobility impairment, aims to provide convenience and support, is generally composed of a frame, a seat, wheels and pedals, is divided into two types of manual and electric wheelchairs, is pushed by the power of a user or an assistant, is suitable for users with good physical strength and capable of operating by themselves, is driven by a battery, is suitable for people with weak bodies or cannot use the manual wheelchair, is designed by modern wheelchairs, pays attention to comfort and adjustability, is provided with a soft cushion and a soft backrest, and is also supported by a plurality of styles to be highly adjusted, inclined and rotated so as to meet the demands of different users.

The wheelchair not only improves the mobility of users, but also improves the life quality of the users, so that the users can participate in social activities, work and daily life more conveniently, and along with the development of science and technology, many novel wheelchairs also integrate intelligent functions such as automatic navigation and obstacle detection, so that the use safety and convenience are further improved, the popularization of the wheelchair promotes the construction of barrier-free facilities, and the attention and respect of society to the rights and interests of disabled people are promoted.

Most of the conventional wheelchairs have folding function at present, but the wheelchairs need to be manually forced to break the fixed clips when being folded or unfolded, so that the wheelchairs are prevented from being folded automatically when being used, the wheelchairs are inconvenient to fold or unfolded independently, time and labor are wasted, and the wheelchair convenient to fold and unfold is provided for solving the problems.

Disclosure of utility model

In order to make up the defects, the utility model provides a wheelchair convenient to fold and unfold, and aims to solve the problems that the traditional wheelchair needs to manually force to break a clip for fixing, so that the wheelchair is automatically folded when in use, is very inconvenient, and is time-consuming and labor-consuming because the wheelchair cannot be folded or unfolded independently.

In order to achieve the aim, the wheelchair convenient to fold and unfold comprises two frames, wherein the inner sides of the frames are rotationally connected with two connecting rods, the middle parts of the two connecting rods are rotationally connected, the outer sides of the connecting rods are fixedly connected with supporting rods, the outer sides of the connecting rods are rotationally connected with locking rods, the outer sides of the locking rods are rotationally connected with supporting grooves I, the inner sides of the frames are fixedly connected with supporting grooves II, the outer sides of the frames are rotationally connected with tires, the bottoms of the front sides of the frames are rotationally connected with universal wheels, and the front sides of the frames are provided with adjusting assemblies which are used for adjusting pedals of the wheelchair.

As a further description of the above technical solution:

The adjusting component comprises a shell, the inside sliding connection of shell is in the frame front side is outside, the shell inboard rotates and is connected with the pedal, the inside sliding connection of shell has the pull rod, pull rod front end fixedly connected with baffle, baffle rear side fixedly connected with spring, the fixed orifices has been seted up to the pull rod inside, pull rod rear side fixedly connected with inserted bar, shell rear side sliding connection has the gag lever post, the outside fixedly connected with baffle ring of gag lever post.

As a further description of the above technical solution:

the outer parts of the support rods are abutted with the two top parts of the support grooves, and the top parts of the support grooves are fixedly connected with the outer parts of the frames.

As a further description of the above technical solution:

The outside of the tire is fixedly connected with a handle.

As a further description of the above technical solution:

The outside sliding connection of baffle is in the shell inner wall, the outside sliding connection of inserted bar is in the shell is inside.

As a further description of the above technical solution:

the rear end of the spring is fixedly connected to the inner wall of the shell, and the interior of the spring is sleeved outside the pull rod.

As a further description of the above technical solution:

the bottom of the limiting rod is inserted into the fixing hole.

As a further description of the above technical solution:

the outside grafting of inserted bar is in inside the frame front side, gag lever post bottom sliding connection is in the pull rod top.

The utility model has the following beneficial effects:

1. According to the utility model, the two support rods are simultaneously broken, and the support groove I is pulled by matching with the lock rod, so that the two frames are mutually close, and the support rods are supported by the support groove II during use, so that the folding or unfolding is time-saving and labor-saving, the operation can be performed by a single person, and the working efficiency is effectively improved.

2. According to the utility model, the baffle plate is driven to compress the spring by pulling the pull rod, and meanwhile, the insert rod moves backwards and is pulled out from the frame, so that the pedal height can be quickly adjusted to adapt to users with different leg lengths, and meanwhile, the limit rod is inserted into the fixing hole, and the insert rod is prevented from automatically resetting when the shell is moved.

Drawings

Fig. 1 is a schematic perspective view of a wheelchair which is convenient to fold and unfold;

FIG. 2 is a schematic view of a tire of a wheelchair according to the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of a wheelchair pedal for easy folding and unfolding;

Fig. 5 is a schematic structural view of a shell of a wheelchair that is convenient for folding and unfolding.

Legend description:

1. The bicycle comprises a frame, a connecting rod, a supporting rod, a locking rod, a supporting groove I, a supporting groove II, a tire, a universal wheel 8, a universal wheel 9, a shell, a pulling rod 11, a baffle, a spring, a fixing hole 13, a fixing hole 14, an inserting rod, a limiting rod 15, a limiting rod 16, a baffle ring 17, a handle 18 and a pedal.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the wheelchair convenient to fold and unfold comprises two frames 1, wherein two connecting rods 2 are rotatably connected to the inner sides of the frames 1, the middle parts of the two connecting rods 2 are rotatably connected, a supporting rod 3 is fixedly connected to the outer sides of the connecting rods 2, a locking rod 4 is rotatably connected to the outer sides of the locking rods 4, a supporting groove I5 is rotatably connected to the outer sides of the locking rods, two supporting grooves II 6 are fixedly connected to the inner sides of the frames 1, tires 7 are rotatably connected to the outer sides of the frames 1, universal wheels 8 are rotatably connected to the bottoms of the front sides of the frames 1, the frames 1 are supports of the whole wheelchair and are used for supporting the weight of a user, the connecting rods 2 are used for controlling folding and unfolding of the wheelchair, the supporting rod 3 is used for pressing the weight on the supporting grooves II 6, the locking rod 4 is used for pulling the supporting grooves I5 to drive the frames 1 to move, the supporting grooves I5 are fixedly arranged on the frames 1, the supporting grooves II 6 are used for supporting the weight of the supporting rod 3 and bear the weight of the whole user, the tires 7 are used for driving the wheelchair to move back and forth, the universal wheels 8 are used for controlling left and right steering, the front sides of the frames 1 are respectively, the adjusting components are used for adjusting the front sides of the frames 3 and the supporting the wheels are used for adjusting the weight of the wheels, the wheels 17 are used for driving the pedals to rotate, and the outer sides of the wheels 17 are fixedly connected to the outer sides of the wheelchair are fixedly connected to the wheels, and the pedals 17 are used for supporting the wheels and supporting the wheels 17 are fixedly rotate, and are fixedly connected to the top and used for supporting the wheels and supporting the wheels are rotatably and rotated.

Referring to fig. 1-5, the adjusting assembly comprises a housing 9, the interior of the housing 9 is slidably connected to the exterior of the front side of the frame 1, a pedal 18 is rotatably connected to the inner side of the housing 9, a pull rod 10 is slidably connected to the interior of the housing 9, a baffle 11 is fixedly connected to the front end of the pull rod 10, a spring 12 is fixedly connected to the rear side of the baffle 11, a fixing hole 13 is formed in the interior of the pull rod 10, a plug rod 14 is fixedly connected to the rear side of the pull rod 10, a limit rod 15 is slidably connected to the rear side of the housing 9, a baffle ring 16 is fixedly connected to the exterior of the limit rod 15, the housing 9 is used for connecting and protecting internal parts, the pull rod 10 is used for facilitating manual pulling to drive the baffle 11 to compress the spring 12, the baffle 11 bears the thrust from the spring 12 and drives the pull rod 10 to move, the spring 12 is used for applying pressure to the baffle 11 and simultaneously driving the pull rod 10 to reset, the fixing hole 13 is used for matching with the limit rod 15, the pull rod 10 is locked, automatic reset is avoided, the stop ring 16 is used for limiting the moving distance of the limiting rod 15 and preventing falling, the pedal 18 is used for placing feet of a user, the user keeps stable, the baffle 11 is externally connected to the inner wall of the shell 9 in a sliding mode, the moving direction of the baffle 11 is limited, disorder and shaking are avoided, the outside of the inserting rod 14 is connected to the inside of the shell 9 in a sliding mode, the moving direction of the inserting rod 14 is limited, the rear end of the spring 12 is fixedly connected to the inner wall of the shell 9, the inside of the spring 12 is sleeved outside the pull rod 10, the fact that the spring 12 keeps stable is ensured, the bottom of the limiting rod 15 is inserted into the fixing hole 13, the pull rod 10 is locked, the shell 9 is conveniently moved, the outside of the inserting rod 14 is inserted into the inside of the front side of the frame 1, the inserting rod 14 is inserted into the inside of the frame 1, the adjusting height is achieved, and the bottom of the limiting rod 15 is connected to the top of the pull rod 10 in a sliding mode.

When the device is used, the wheelchair is unfolded, the frames 1 are pulled towards two sides at the same time, the connecting rod 2 is driven to enable the supporting rod 3 to move downwards to be in contact with the second supporting groove 6, then the pull rod 10 is pulled firstly according to the height of the pedal 18 regulated by a user, the baffle 11 compresses the spring 12 and drives the inserting rod 14 to move backwards until the limiting rod 15 falls into the fixing hole 13 to lock the pull rod 10, the shell 9 can move randomly, when the shell 9 moves to a proper position, the limiting rod 15 is pulled under the limiting of the baffle ring 16, the spring 12 can push the baffle 11 instantly to drive the pull rod 10 to reset, the inserting rod 14 is reinserted into the frame 1 to realize the height regulation, after the use is completed, the supporting rod 3 is pulled towards the middle at the same time, the first supporting groove 5 is pulled by the locking rod 4, the two frames 1 are driven to be synchronously close towards the middle, and the folding is realized.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims

1. The wheelchair convenient to fold and release comprises two frames (1) and is characterized in that two connecting rods (2) are rotatably connected to the inner sides of the frames (1), two connecting rods (2) are rotatably connected to the middle parts of the connecting rods, supporting rods (3) are fixedly connected to the outer sides of the connecting rods (2), locking rods (4) are rotatably connected to the outer sides of the connecting rods (2), supporting grooves I (5) are rotatably connected to the outer sides of the locking rods (4), two supporting grooves II (6) are fixedly connected to the inner sides of the frames (1), tires (7) are rotatably connected to the outer sides of the frames (1), universal wheels (8) are rotatably connected to the bottoms of the front sides of the frames (1), and adjusting assemblies are arranged on the front sides of the frames (1) and used for adjusting pedals of the wheelchair.

2. The wheelchair convenient to fold and retract according to claim 1 is characterized in that the adjusting assembly comprises a shell (9), the inside of the shell (9) is in sliding connection with the outside of the front side of the frame (1), a pedal (18) is rotatably connected to the inside of the shell (9), a pull rod (10) is connected to the inside of the shell (9) in a sliding manner, a baffle plate (11) is fixedly connected to the front end of the pull rod (10), a spring (12) is fixedly connected to the rear side of the baffle plate (11), a fixing hole (13) is formed in the pull rod (10), a plug rod (14) is fixedly connected to the rear side of the pull rod (10), a limit rod (15) is slidingly connected to the rear side of the shell (9), and a baffle ring (16) is fixedly connected to the outside of the limit rod (15).

3. The wheelchair convenient to fold and unfold according to claim 1, wherein the outer part of the support rod (3) is abutted with the tops of the two support grooves (6), and the tops of the first support groove (5) are fixedly connected with the outer part of the frame (1).

4. The wheelchair convenient to fold and unfold according to claim 1, wherein a handle (17) is fixedly connected to the outer side of the tire (7).

5. The wheelchair convenient to fold and unfold according to claim 2, wherein the baffle (11) is externally connected to the inner wall of the housing (9) in a sliding manner, and the inserted link (14) is externally connected to the housing (9) in a sliding manner.

6. The wheelchair convenient to fold and unfold according to claim 2, wherein the rear end of the spring (12) is connected to the inner wall of the housing (9), and the spring (12) is sleeved outside the pull rod (10).

7. The wheelchair convenient to fold and unfold according to claim 2, wherein the bottom of the limit rod (15) is inserted into the fixing hole (13).

8. The wheelchair convenient to fold and unfold according to claim 2, wherein the outside of the inserted link (14) is inserted into the inside of the front side of the frame (1), and the bottom of the limit link (15) is slidingly connected to the top of the pull rod (10).