Guard plate structure with adjustable riding width and wheelchair

Abstract

The utility model discloses a riding width adjustable guard plate structure, which belongs to the technical field of wheelchairs, and comprises a frame, a seat cushion, a backrest connecting pipe and two guard plate components, the seat cushion and the backrest connecting pipe are both mounted on the frame, the guard plate components are respectively positioned on two opposite sides of the seat cushion, each guard plate component comprises a fixed plate, a movable guard plate and a handrail plate, the fixed plate is fixedly connected to a vehicle frame, the movable protection plate is arranged on the inner side of the fixed plate and can move close to or away from the fixed plate, the handrail plate is fixedly installed on the top of the movable protection plate, the handrail plate is slidably connected to the upper portion of the fixed plate in a clamped and embedded mode, a stud is rotatably installed on the fixed plate, and the stud is in threaded connection with the movable protection plate. The stud is connected with a driving piece used for driving the stud to rotate. According to the protection plate structure, the distance between the two movable protection plates can be adjusted by rotating the studs, operation is easy and convenient, and rapid adjustment by a user is facilitated. The utility model further discloses a wheelchair with the guard plate structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheelchair technical field, especially, relate to a ride width adjustable fender structure and wheelchair. BACKGROUND

[0002] In modern society, with the continuous progress of science and technology and the continuous improvement of people's health consciousness, as an auxiliary walking tool, wheelchair has become an important part of the daily life of many people with difficulty in walking. Wheelchair generally includes frame, cushion, fender and backrest, the cushion is installed on the frame, used for user to ride, the fender is installed on both sides of the cushion, used for protecting the two sides of the user's body, the backrest is installed at the rear end of the frame, used for supporting the user's back. With the improvement of people's requirement for the riding comfort of wheelchair, the riding requirement of different fat and thin people, more and more adjustable width wheelchairs are gradually put into the market.

[0003] For example, the Chinese utility model patent document with the authorization announcement number CN 213822141U discloses a wheelchair width adjusting device, which adopts two horizontally arranged and mutually crossed hinged connecting pipes to realize the width adjustment of the wheelchair. This scheme can adjust the width of the wheelchair as a whole, but after adjustment, the width of the wheelchair cushion used for user to ride or the part connecting the wheelchair cushion and the frame must be adjusted in applicability, thereby increasing the installation difficulty of the wheelchair cushion, which is not conducive to the quick adjustment and use of the user. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is that in the prior art, the wheelchair width adjustment is difficult, which is not conducive to the quick adjustment and use of the user. Therefore, the utility model provides a fender structure convenient for adjusting the riding width.

[0005] The utility model also provides a wheelchair with the fender structure with adjustable riding width.

[0006] The utility model adopts the technical scheme that a fender structure with adjustable riding width comprises a frame, a cushion, a backrest connecting pipe and a fender assembly, the cushion and the backrest connecting pipe are both installed on the frame, the fender assembly has two and is located at the opposite sides of the cushion respectively, the fender assembly comprises a fixed plate, a movable fender and a handrail plate, the fixed plate is fixedly connected on the frame, the movable fender is arranged on the inner side of the fixed plate and can move close to or away from the fixed plate, the handrail plate is fixedly installed on the top of the movable fender, the handrail plate is slidably clamped and connected above the fixed plate, a stud is rotatably installed on the fixed plate, the stud is screw connected with the movable fender, and a driving piece for driving the stud to rotate is connected on the stud.

[0007] Further, the fixed plate and the movable guard plate are both rectangular flat plate structures and are arranged in parallel to each other, and the lower surface of the handrail plate is attached to the upper surface of the fixed plate.

[0008] Further, a dovetail groove is formed on the upper surface of the fixed plate, and a dovetail strip is protruded on the lower surface of the handrail plate, and the dovetail strip is slidably and clippably connected with the dovetail groove.

[0009] Further, two dovetail strips are arranged on each of the handrail plates, and the two dovetail strips are symmetrically arranged on opposite sides of the handrail plate.

[0010] Further, a threaded pipe is protruded on the surface of the movable guard plate facing the fixed plate, an internal thread is arranged in the threaded pipe, and one end of the threaded stud is inserted into the threaded pipe and is threadedly connected with the internal thread of the threaded pipe.

[0011] Further, the central axis of the threaded pipe is perpendicular to the movable guard plate.

[0012] Further, the end of the threaded stud away from the movable guard plate is arranged as a round light rod section, the light rod section is rotatably connected with the fixed plate, and a bearing is arranged between the fixed plate and the light rod section.

[0013] Further, an arc-shaped strip is protruded on the upper surface of the handrail plate.

[0014] Further, the driving member is a motor fixedly installed on the fixed plate, and the output shaft of the motor is fixedly connected with the threaded stud, or the driving member is a handle fixed at one end of the threaded stud.

[0015] The utility model also provides a wheelchair, including the guard plate structure of adjustable width of riding of preceding any one, still include front wheel and rear wheel, the front wheel rotatably is installed at the front end of the frame, the rear wheel rotatably is installed at the rear end of the frame.

[0016] The utility model discloses the guard plate structure of adjustable width of riding or wheelchair of the utility model, when driving threaded stud rotation, can drive movable guard plate away from or close to fixed plate, thereby change the distance between two movable guard plates, to satisfy the riding need of different fat and thin body type user, only through adjusting the guard plate assembly on it, and do not involve the size of whole frame and cushion and installation position adjustment, simple operation, convenient, convenient for user fast regulation. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and examples.

[0018] Figure 1is the perspective view of the adjustable-riding-width guard plate structure of the utility model;

[0019] Figure 2 is Figure 1 is the front view of the adjustable-riding-width guard plate structure;

[0020] Figure 3 is Figure 1 is the left view of the adjustable-riding-width guard plate structure.

[0021] In the figure: 1, frame, 2, cushion, 3, backrest connecting pipe, 4, guard plate assembly, 41, fixed plate, 411, dovetail groove, 42, movable guard plate, 421, threaded pipe, 43, armrest plate, 431, dovetail strip, 432, arc-shaped strip, 44, stud, 45, driving piece. DETAILED DESCRIPTION

[0022] The utility model will be explained in detail in combination with the drawings. This figure is a simplified schematic diagram, and only illustrates the basic structure of the utility model in a schematic manner, so it only shows the components related to the utility model.

[0023] Please refer to Figures 1-3 The utility model provides a kind of adjustable-riding-width guard plate structure, including frame 1, cushion 2, backrest connecting pipe 3 and guard plate assembly 4, cushion 1 is fixedly installed on frame 1, backrest connecting pipe 3 is installed on frame 1 for the rear of cushion 2, backrest connecting pipe 3 is used to install backrest, guard plate assembly 4 is installed on frame 1, guard plate assembly 4 has two and is located at the opposite two sides of cushion 2 respectively, guard plate assembly 4 includes fixed plate 41, movable guard plate 42 and armrest plate 43, fixed plate 41 is fixedly connected on frame 1, movable guard plate 42 is located at the inboard of fixed plate 41 and can be moved close to or away from fixed plate 41, movable guard plate 42 is located above cushion 2 and vertically arranged, armrest plate 43 is fixedly installed at the top of movable guard plate 42 and horizontally arranged, armrest plate 43 is located above fixed plate 41 and is slidably clamped connection with fixed plate 41, fixed plate 41 is rotatably installed with stud 44, stud 44 is screw-threaded with movable guard plate 42, one end of stud 44 away from movable guard plate 42 is connected with the driving piece 45 for driving stud 44 rotation. Slidably clamped connection refers to, armrest plate 43 can only slide relative to fixed plate 41 and cannot rotate.

[0024] The width-adjustable guard plate structure, in use, a user sits on the cushion 2 via the front side (namely, the side on the cushion 2 away from the backrest connecting pipe 3), when the user needs to adjust the width of sitting according to the fatness of the body, the driving member 45 can be controlled to work, thereby driving the stud 44 to rotate, since the stud 44 is threadedly connected with the movable guard plate 42 and is fixedly connected with the movable guard plate 42 and the fixed plate 41 in a slidable clamping connection, thus, when the stud 44 rotates, the movable guard plate 42 can be driven to move away from or close to the fixed plate 41. When the movable guard plate 42 moves close to the fixed plate 41, the space between the two movable guard plates 42 increases, which can meet the sitting needs of the user with a fatter body; when the movable guard plate 42 moves away from the fixed plate 41, the space between the two movable guard plates 42 decreases, which can meet the sitting needs of the user with a thinner body. The above adjustment is only by adjusting the guard plate assembly 4 thereon, and the size and installation position of the whole frame 1 and the cushion 2 are not adjusted, which is simple and convenient to operate and is convenient for the user to quickly adjust.

[0025] In addition, the fixed plate 41 can support the handrail plate 43 to a certain extent, preventing the handrail plate 43 from easily separating from the movable plate 42 when subjected to the downward action of the user, thereby improving the moving stability and pressure resistance of the handrail plate 43, and further improving the service life of the guard plate assembly 4.

[0026] Please refer to Figure 2 As a preferred embodiment, the fixed plate 41 and the movable guard plate 42 are both rectangular plate structures and are arranged in parallel to each other, and the handrail plate 43 is a rectangular plate structure, the lower surface of the handrail plate 43 and the upper surface of the fixed plate 41 are mutually fitted, thereby ensuring that the fixed plate 41 effectively supports the handrail plate 43. Further, the upper surface of the fixed plate 41 is provided with a dovetail groove 411, and the lower surface of the handrail plate 43 is provided with a dovetail strip 431, the dovetail strip 431 and the dovetail groove 411 are slidably clamped and connected, so that the dovetail strip 431 can only slide along the dovetail groove 411 and cannot rotate relative to the dovetail groove 411. In addition, two dovetail strips 431 are arranged on each handrail plate 43, and the two dovetail strips 431 are symmetrically arranged on opposite sides of the handrail plate 431, thereby ensuring that the handrail plate 43 moves uniformly, which is beneficial to the stable movement of the handrail plate 43.

[0027] Please refer to Figure 3As a preferred embodiment, a threaded pipe 421 is protruded on the surface of the movable guard plate 42 facing the fixed plate 41, the threaded pipe 421 is internally threaded, the threaded pipe 421 is open at one end and closed at the other end, the closed end 421 of the threaded pipe 421 is fixedly connected with the movable guard plate 42, one end of the stud 44 extends into the threaded pipe 421 and is threadedly connected with the internal thread of the threaded pipe 421, and the threaded pipe 421 is reserved with sufficient space for the end of the stud 44 to move in the threaded pipe 421. In the embodiment, the central axis of the threaded pipe 421 is perpendicular to the movable guard plate 42.

[0028] In addition, the end of the stud 44 away from the movable guard plate 42 is provided as a round rod section, the round rod section is rotatably connected with the fixed plate 41, as a preferred embodiment, a bearing is arranged between the fixed plate 41 and the round rod section, the outer ring of the bearing is fixedly embedded in the fixed plate 41, and the inner ring of the bearing is fixedly sleeved on the outside of the round rod section.

[0029] In the embodiment, the driving member 45 is a motor fixedly installed on the fixed plate 41, the output shaft of the motor is fixedly connected with the stud 44, and in operation, the motor drives the stud 44 to rotate, thereby driving the movable guard plate 42 to move. In other embodiments, the driving member 45 can also be a handle fixedly connected at one end of the stud 44, at this time, the user can hold the handle to rotate the stud 44, and the driving mode of the stud 44 rotating can be electric or manual, which is not limited here.

[0030] In addition, an arc-shaped strip 432 is protruded on the upper surface of the handrail plate 43, the arc-shaped strip 432 is used for the user to hold after sitting to improve the safety of use.

[0031] The utility model also provides a kind of wheelchair, the wheelchair includes the guard plate structure of adjustable seat width, further include front wheel and rear wheel, the front wheel is rotatably installed at the front end of frame 1, and the rear wheel is rotatably installed at the rear end of frame 1.

[0032] The guard plate structure of adjustable seat width provided by the utility model can drive the movable guard plate 42 to move away from or close to the fixed plate 41 when the stud 44 is rotated, so as to change the distance between the two movable guard plates 42, to meet the seat needs of users with different body types, and only the guard plate assembly 4 needs to be adjusted, without adjusting the size and mounting position of the entire frame 1 and the cushion 2, so the operation is simple and convenient, and the user can quickly adjust.

[0033] The wheelchair of the utility model has all the technical features of the above-mentioned guard plate structure, and has the same technical effects as the above-mentioned guard plate structure.

[0034] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the scope of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A ride width adjustable guard structure, characterized by: The application relates to a seat frame, a seat cushion, a backrest connecting pipe and a guard plate assembly, wherein the seat cushion and the backrest connecting pipe are installed on the seat frame, the guard plate assembly is provided with two guard plates located on opposite sides of the seat cushion respectively, the guard plate assembly comprises a fixed plate, a movable guard plate and a handrail plate, the fixed plate is fixedly connected to the seat frame, the movable guard plate is arranged on the inner side of the fixed plate and can move close to or away from the fixed plate, the handrail plate is fixedly installed on the top of the movable guard plate, the handrail plate is slidably clamped and connected above the fixed plate, a stud is rotatably installed on the fixed plate, the stud is in threaded connection with the movable guard plate, and a driving member for driving the stud to rotate is connected to the stud.

2. The ride width adjustable guard structure of claim 1, wherein: The fixed plate and the movable guard plate are both rectangular plate structures and are arranged in parallel to each other, and the lower surface of the handrail plate and the upper surface of the fixed plate are mutually attached.

3. The ride width adjustable guard structure of claim 2, wherein: A dovetail groove is formed in the upper surface of the fixed plate, and a dovetail strip is protruded on the lower surface of the handrail plate, and the dovetail strip and the dovetail groove are slidably clamped and connected.

4. The ride width adjustable guard structure of claim 3, wherein: Two dovetail strips are arranged on each handrail plate, and the two dovetail strips are symmetrically arranged on opposite sides of the handrail plate.

5. The ride width adjustable guard structure of claim 1, wherein: A threaded pipe is protruded on the surface of the movable guard plate facing the fixed plate, an internal thread is arranged in the threaded pipe, one end of the stud is inserted into the threaded pipe and is in threaded connection with the internal thread of the threaded pipe.

6. The ride width adjustable guard structure of claim 5, wherein: The central axis of the threaded pipe is perpendicular to the movable guard plate.

7. The ride width adjustable guard structure of claim 1, wherein: The end of the stud away from the movable guard plate is provided with a round light rod section, the light rod section is rotatably connected to the fixed plate, and a bearing is arranged between the fixed plate and the light rod section.

8. The ride width adjustable guard structure of claim 1, wherein: An arc-shaped strip is protruded on the upper surface of the handrail plate.

9. The ride width adjustable guard structure of claim 1, wherein: The driving member is a motor fixedly installed on the fixed plate, the output shaft of the motor is fixedly connected to the stud, or the driving member is a handle fixed to one end of the stud.

10. A wheelchair characterized by: The application further relates to a guard plate structure with adjustable seat width, the guard plate structure comprises the guard plate structure with adjustable seat width, a front wheel and a rear wheel, the front wheel is rotatably installed on the front end of the seat frame, and the rear wheel is rotatably installed on the rear end of the seat frame.

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