Wheelchair with anti-collision structure

By incorporating components such as buffer bars, buffer springs, and fixing pins into the wheelchair, the problem of secondary injuries caused by the wheelchair hitting the wall during movement is solved, achieving stability of the components and improving the performance of the wheelchair.

CN224008596UActive Publication Date: 2026-03-20TIANJIN GAOMIDI BICYCLE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing wheelchairs are prone to hitting walls during movement, causing secondary injuries to users and reducing the effectiveness of the device.

Method used

A wheelchair with an anti-collision structure was designed. The combination of buffer bars and buffer springs, along with the connection of plug holes and plug tubes, buffers the impact force. The combination of fixing pins and connecting columns enhances the stability of the components.

Benefits of technology

It effectively reduces secondary injuries to users caused by wheelchairs hitting walls, improves the stability and performance of components, and enhances ease of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wheelchairs, and discloses a wheelchair with an anti-collision structure, which comprises a wheelchair body, a pedal plate is mounted on the upper surface of the wheelchair body, an extension plate is mounted on the front surface of the pedal plate, an auxiliary plate is mounted on the front surface of the extension plate, an insertion hole is formed in the auxiliary plate, and the insertion hole is connected with the pedal plate. And a buffer rod penetrates through the interior of the auxiliary plate. According to the wheelchair with the anti-collision structure, a buffer spring is stretched through backward movement of a connecting piece, and then is inserted into an inserting hole through backward movement of an inserting pipe, so that impact force borne by parts in the wheelchair is buffered and offset, an operator can control the parts more conveniently, and the impact borne by the wheelchair is relieved; and the situation that an operator collides with the wall surface in the process of moving the device can be prevented, the frequency of secondary damage to a user due to the fact that the device collides with the wall surface is reduced, and the using effect of parts in the device in the working process is further enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a wheelchair technical field, concretely is a wheelchair with anti -collision structure. BACKGROUND

[0002] Wheelchair is the chair that can help to replace walking, is used for wounded, sick, disabled person home rehabilitation, turnover transportation, medical treatment, important mobile tool of going out activity, wheelchair not only satisfies the demand of walking for the person with physical disability and the person who cannot move, more importantly, it is convenient for family members to move and take care of the patient, so that the patient exercises the body and participates in social activities with the help of wheelchair. The wheelchair of prior art because the device moves, the pedal is easy to hit the wall, leading to the user is easy to suffer secondary injury, thereby reduce the use effect of the device. SUMMARY

[0003] (I) technical problem solved

[0004] In view of the prior art, the utility model provides a wheelchair with anti -collision structure, solves the problem in the background art.

[0005] (II) technical scheme

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a wheelchair with anti -collision structure, including wheelchair body, the upper surface of wheelchair body is installed footboard, the front surface of footboard is installed extension plate, the front surface of extension plate is installed auxiliary plate, the inside of auxiliary plate is opened and is connected hole, the inside of auxiliary plate is penetrated and is connected with buffer rod, the back of auxiliary plate is installed buffer spring, the rear end of buffer rod and buffer spring is installed connecting piece, the front end of buffer rod is installed installation strip, the back of installation strip is installed and is connected pipe, the front surface of installation strip is installed buffer plate, the front surface of buffer plate is installed buffer pad.

[0007] Preferably, the outer surface of the buffer rod is penetrated in the inside of the buffer spring, and the buffer spring is made of chromium vanadium alloy steel material.

[0008] Preferably, the upper surface of the extension plate is installed with a connecting frame, and the connecting frame is slidably connected with a connecting column inside.

[0009] Preferably, the upper surface of the connecting frame is penetrated with a fixed pin, and one end of the fixed pin penetrating the connecting frame is threaded in the connecting column.

[0010] Preferably, the inside of the connecting column is slidably connected with a plug-in plate, and the inner side of the plug-in plate is installed with an auxiliary frame.

[0011] Preferably, the inside of the auxiliary frame is installed with a contact frame, and the inner side of the contact frame is provided with an anti -skid layer.

[0012] (III) Beneficial Effects

[0013] Compared with the prior art, the wheelchair with the anti-collision structure has the following beneficial effects:

[0014] 1. The wheelchair with the anti-collision structure, by moving the connecting piece backward to stretch the buffer spring, and then moving the plug-in pipe backward to insert into the plug-in hole, the impact force on the internal parts of the device is buffered and offset, and then it is more convenient for the operator to operate the parts to slow down the impact on the device, which can prevent the operator from hitting the wall during the movement of the device, reduce the number of secondary injuries caused by the impact of the device on the wall, and further enhance the use effect of the internal parts of the device during the working process.

[0015] 2. The wheelchair with the anti-collision structure, by inserting the connecting column into the connecting column through the operating fixed pin, and then rotating the fixed pin clockwise to fix the connecting column, the internal parts of the device can be more stable during use, which can prevent the internal parts of the device from loosening during use, further improve the stability of the internal parts of the device during use, reduce the impact of the loosening of the parts on the normal use of the device, and make it more convenient for the operator to operate the parts to fix the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic view of the present utility model;

[0017] Fig. 2 is a local structure explosion schematic view of the present utility model;

[0018] Fig. 3 is a local structure schematic view of the present utility model.

[0019] In the figure: 1, wheelchair body; 2, footboard; 3, extension plate; 4, auxiliary plate; 5, plug-in hole; 6, buffer rod; 7, buffer spring; 8, connecting piece; 9, mounting strip; 10, plug-in pipe; 11, buffer plate; 12, buffer pad; 13, connecting frame; 14, connecting column; 15, fixed pin; 16, plug-in plate; 17, auxiliary frame; 18, contact frame. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0021] Please refer to Figs. 1-3 The utility model provides a technical scheme: a wheelchair with anti -collision structure, including wheelchair body 1, the upper surface of wheelchair body 1 is installed footboard 2, the front surface of footboard 2 is installed extension plate 3, the front surface of extension plate 3 is installed auxiliary plate 4, the inside of auxiliary plate 4 is seted up and inserts the hole 5, the inside of auxiliary plate 4 is penetrated with buffer rod 6, the back of auxiliary plate 4 is installed buffer spring 7, the rear end of buffer rod 6 and buffer spring 7 is installed with the connecting piece 8, the connecting piece 8 is moved back and stretches buffer spring 7, and then after the plug -in pipe 10 is moved back and is inserted into the inside of insert hole 5, so that the impact force that the inside spare parts of the device are subjected to is buffered and offset, and then more convenient for operator to manipulate the spare parts and slow down the impact that the device is subjected to, can prevent the situation that the operator moves the device and appears to hit the wall, reduces the number of secondary injuries that the device hits the wall and causes to the user, further enhances the use effect of the inside spare parts of the device in the working process, the front end of buffer rod 6 is installed with installation strip 9, the back of installation strip 9 is installed with plug -in pipe 10, the plug -in pipe 10 is inserted into insert hole 5 after the whole is impacted, makes the plug -in pipe 10 steady installation strip 9, makes it not swing in left and right directions, the front surface of installation strip 9 is installed with buffer plate 11, the front surface of buffer plate 11 is installed with buffer pad 12.

[0022] In the utility model, in order to make the device more convenient for operator to use, therefore set up the outside surface of buffer rod 6 is penetrated in the inside of buffer spring 7, buffer spring 7 is made of chrome vanadium alloy steel material, prolongs the service life of spare part.

[0023] In the utility model, in order to prevent the secondary injury that impact causes to the user, therefore the upper surface of extension plate 3 is installed with connecting frame 13, the inside of connecting frame 13 is slidably connected with connecting column 14, the upper surface of connecting frame 13 is penetrated with fixed pin 15, operating fixed pin 15 passes through connecting frame 13 and is inserted into connecting column 14, then anticlockwise rotating fixed pin 15 fixes connecting column 14, so that the inside spare parts of the device can be more stable during use, and then can prevent the inside spare parts of the device from appearing loose during use, further improve the stability of the inside spare parts of the device during use, reduce the influence that the loose phenomenon of spare part causes to the normal use of the device, more convenient for operator to manipulate the spare parts and fix the device, one end of fixed pin 15 is screwed in connecting column 14 and is penetrated in connecting frame 13, the inside of connecting column 14 is slidably connected with plug -in plate 16, plug -in plate 16 is soft board, so that after foot is inserted into the inside of contact frame 18, plug -in plate 16 can be compressed a part, the inside of auxiliary frame 17 is installed with contact frame 18, the inside of contact frame 18 is provided with antiskid layer, avoids the user's foot from bouncing after being impacted.

[0024] In use, the manipulator plate 16 slides into the connecting post 14, the manipulator connecting post 14 slides into the connecting frame 13, the manipulator fixing pin 15 passes through the connecting frame 13 and inserts into the connecting post 14, and then the fixing pin 15 is rotated clockwise to fix the connecting post 14. The user places their foot on the upper surface of the foot pedal 2, so that the front half of the foot extends into the contact frame 18, so that the contact frame 18 wraps around the foot. When the wheelchair is impacted, the buffer pad 12 moves backward, causing the buffer plate 11 to move backward. The buffer plate 11 moves backward, causing the mounting strip 9 to move backward. The mounting strip 9 moves backward, causing the plug tube 10 to move backward. The mounting strip 9 moves backward, causing the buffer rod 6 to move backward. The buffer rod 6 moves backward, causing the connecting piece 8 to move backward. The connecting piece 8 moves backward, stretching the buffer spring 7, offsetting part of the impact force. The plug tube 10 moves backward and inserts into the plug hole 5 to cushion the entire system.

[0025] In summary, this wheelchair with an anti-collision structure uses the connecting piece 8 to move backward and stretch the buffer spring 7, which then moves backward through the insertion tube 10 and inserts into the insertion hole 5. This allows the components inside the device to buffer and offset the impact force it receives, making it easier for the operator to manipulate the components and reduce the impact on the device. It can prevent the operator from hitting the wall during the movement of the device, reduce the number of times the device hits the wall and causes secondary injuries to the user, and further enhance the effectiveness of the components inside the device during operation.

[0026] The wheelchair with anti-collision structure can be fixed by manipulating the fixing pin 15 through the connecting frame 13 and inserting it into the connecting column 14, and then rotating the fixing pin 15 clockwise to fix the connecting column 14. This makes the components inside the device more stable during use, thereby preventing the components from becoming loose during use. This further improves the stability of the components inside the device during use, reduces the impact of loose components on the normal use of the device, and makes it easier for the operator to manipulate the components to fix the device.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wheelchair with an anti-collision structure, comprising a wheelchair body (1), wherein a footrest (2) is mounted on the upper surface of the wheelchair body (1), characterized in that: An extension plate (3) is installed on the front of the foot pedal (2), an auxiliary plate (4) is installed on the front of the extension plate (3), a plug hole (5) is opened inside the auxiliary plate (4), a buffer rod (6) passes through the auxiliary plate (4), a buffer spring (7) is installed on the back of the auxiliary plate (4), a connecting piece (8) is installed at the rear end of the buffer rod (6) and the buffer spring (7), an installation strip (9) is installed at the front end of the buffer rod (6), a plug tube (10) is installed on the back of the installation strip (9), a buffer plate (11) is installed on the front of the installation strip (9), and a buffer pad (12) is installed on the front of the buffer plate (11).

2. The wheelchair with an anti-collision structure according to claim 1, characterized in that: The outer surface of the buffer rod (6) extends through the interior of the buffer spring (7), which is made of chromium vanadium alloy steel.

3. A wheelchair with an anti-collision structure according to claim 1, characterized in that: A connecting frame (13) is installed on the upper surface of the extension plate (3), and a connecting column (14) is slidably connected inside the connecting frame (13).

4. A wheelchair with an anti-collision structure according to claim 3, characterized in that: A fixing pin (15) is inserted through the upper surface of the connecting frame (13), and one end of the fixing pin (15) is threaded through the connecting column (14) inside the connecting frame (13).

5. A wheelchair with an anti-collision structure according to claim 3, characterized in that: The connecting column (14) is slidably connected to a plug plate (16), and an auxiliary frame (17) is installed on the inner side of the plug plate (16).

6. A wheelchair with an anti-collision structure according to claim 5, characterized in that: The auxiliary frame (17) has a contact frame (18) installed inside it, and the inner side of the contact frame (18) is provided with an anti-slip layer.