Novel electric wheelchair seat structure

Abstract

The utility model provides a novel electric wheelchair seat structure, and relates to the technical field of wheelchair equipment. A cushion is mounted at the top of the seat plate; two lower supporting plates are symmetrically arranged on the front and rear sides of the right side of the bottom of the seat plate; a backrest plate is mounted between the two lower supporting plates in a sliding manner; a back cushion is mounted on the left side of the backrest plate; a limiting baffle is welded to the right side of the top of the seat plate. When the seat structure needs to be transported or stored, the backrest plate can be easily detached from the limiting baffles and adjusted downwards to contract, so that the overall height of the wheelchair is reduced, transportation and storage are facilitated, and adjustment is very convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheelchair equipment technical field especially relates to a novel electric wheelchair seat structure. BACKGROUND

[0002] The electric wheelchair not only has the basic function of the traditional wheelchair, but also realizes more convenient and efficient movement mode through electric drive. In the design of the electric wheelchair, the seat structure is a crucial part, and the comfort, stability and functionality of the seat directly affect the user's experience and health condition.

[0003] The electric wheelchair currently used has many deficiencies in folding storage. Many wheelchairs have folding function, but the folding process is complex, which consumes a lot of physical strength and time, and is very inconvenient to use. If not folded, the height of the wheelchair may exceed the limit when transported or stored by vehicle and cannot be put in. SUMMARY

[0004] The utility model provides a novel electric wheelchair seat structure, which can easily split the backrest plate and the limiting baffle and adjust and contract downward when it needs to be transported or stored, thereby reducing the overall height of the wheelchair, facilitating transportation and storage, and being very convenient to adjust.

[0005] The first aspect of the present disclosure provides a novel electric wheelchair seat structure, which specifically comprises a seat plate.

[0006] A seat cushion is mounted on the top of the seat plate. Two lower support plates are symmetrically arranged on the front and rear of the right side of the bottom of the seat plate. A backrest plate is slidably mounted between the two lower support plates. A back cushion is mounted on the left side of the backrest plate. A limiting baffle is welded to the right side of the top of the seat plate.

[0007] In at least some embodiments, a circular hole is provided on the front and rear sides of the backrest plate and the limiting baffle. When the backrest plate is moved to the topmost position and rotated to the right, the circular hole on the backrest plate will be aligned with the circular hole on the limiting baffle.

[0008] In at least some embodiments, a rectangular opening is provided on the right side of the seat plate, and the cross-sectional dimension of the rectangular opening is equal to the cross-sectional dimension of the backrest plate. The backrest plate can slide up and down in the rectangular opening on the right side of the seat plate.

[0009] In at least some embodiments, a groove corresponding to the seat cushion is provided on the top of the seat plate. A groove corresponding to the size of the back cushion is provided on the left side of the backrest plate. A magnetic rubber pad is fixed to the right side of the back cushion, and a magnet plate is fixed inside the backrest plate.

[0010] In at least some embodiments, the front and rear sides of the backrest plate are provided with a cylindrical protruding block, and one side of the lower support plate is provided with a vertical guide groove, and the width of the vertical guide groove is equal to the outer diameter of the cylindrical protruding block of the front and rear sides of the backrest plate.

[0011] In at least some embodiments, the top of the front and rear sides of the backrest plate is outwardly convex, and the left side of the circular hole on the backrest plate is further provided with a hexagonal slot corresponding to the connecting bolt.

[0012] In at least some embodiments, the limiting baffle is an inclined plate, and the right side outer wall of the backrest plate after being moved to the topmost part and rotated to the right will be in close contact with the left side outer wall of the limiting baffle.

[0013] The novel electric wheelchair seat structure has the following beneficial effects:

[0014] The backrest plate in the utility model can slide up and down and rotate under the support of the cylindrical protruding blocks on the front and rear sides and the lower support plate, and can be used after being fastened with the limiting baffle through the bolt and the nut, and when transportation or storage is needed, the backrest plate can be easily disassembled from the limiting baffle and adjusted to be contracted downward, so that the overall height of the wheelchair is reduced, and transportation and storage are facilitated, and the adjustment is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings of the embodiments will be briefly introduced below.

[0016] The drawings described in the following description only relate to some embodiments of the utility model, and are not a limitation on the utility model.

[0017] In the drawings:

[0018] Figure 1 A main shaft side schematic view of the backrest plate after being unfolded and fixed in the application is shown;

[0019] Figure 2 A right shaft side schematic view of the backrest plate after being unfolded and fixed in the application is shown;

[0020] Figure 3 A main shaft side schematic view of the backrest plate after being rotated vertically in the application is shown;

[0021] Figure 4 A main shaft side schematic view of the backrest plate after being moved to the bottommost part in the application is shown;

[0022] Figure 5 A structure schematic view of the backrest plate after being partially cut and the backrest cushion being disassembled in the application is shown;

[0023] Figure 6The structure of the seat plate is shown in the drawing after being cut open;

[0024] List of reference signs

[0025] 1, seat plate; 2, cushion; 3, lower support plate; 4, backrest plate; 5, back cushion; 6, limiting baffle. DETAILED DESCRIPTION

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present application with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the described embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of the present application.

[0027] Embodiment one: please refer to Figures 1 to 6 :

[0028] The utility model provides a novel electric wheelchair seat structure, include: seat plate 1,

[0029] The seat plate 1 top is equipped with a cushion 2, and the seat plate 1 is used for supporting the cushion 2, lower support plate 3 and limiting baffle 6, and in use, the cushion 2 can be placed in the groove on the top of the seat plate 1, and then the user can sit on the top of the cushion 2; The bottom right side of the seat plate 1 is symmetrically provided with two lower support plates 3 in front and back, and the lower support plate 3 is used for slidingly supporting the backrest plate 4, and when the backrest plate 4 slides up and down, the cylindrical protruding blocks on the front and back sides of the bottom of the backrest plate 4 will synchronously slide up and down in the vertical guide groove on one side of the lower support plate 3, so that the stability of the backrest plate 4 when sliding up and down can be ensured; A backrest plate 4 is slidingly installed between the two lower support plates 3, and the backrest plate 4 is used for supporting the back cushion 5; A back cushion 5 is installed on the left side of the backrest plate 4, and in use, the back cushion 5 can be installed in the groove on the left side of the backrest plate 4, and at this time, the magnetic rubber pad on the right side of the back cushion 5 will be firmly adsorbed with the magnet plate in the backrest plate 4, so that the back cushion 5 can be prevented from falling off, and the comfort when leaning can be improved when the user rides the wheelchair; A limiting baffle 6 is welded to the top right side of the seat plate 1, and in use, the backrest plate 4 can be rotated to the left side of the limiting baffle 6, and at this time, the bolt can be passed through the round holes on the lower positions of the front and back sides of the backrest plate 4 and the round holes on the front and back sides of the limiting baffle 6 and fastened by the nut, so that the backrest plate 4 and the limiting baffle 6 can be locked together, and the position of the backrest plate 4 can be fixed.

[0030] In the embodiments of the present disclosure, as Figures 1 to 6As shown, the front and rear lower positions of the backrest plate 4 and the front and rear sides of the limiting baffle 6 are provided with a circular hole, and the circular hole on the backrest plate 4 is aligned with the circular hole on the limiting baffle 6 after the backrest plate 4 is moved to the top and rotated to the right. During use, the backrest plate 4 can be rotated to the right to tightly abut the left side of the limiting baffle 6, and then the bolt is passed through the circular holes on the front and rear lower positions of the backrest plate 4 and the front and rear sides of the limiting baffle 6 and is tightened by the nut, so that the backrest plate 4 and the limiting baffle 6 are locked together, and the position of the backrest plate 4 is fixed.

[0031] In the embodiments of the present disclosure, as shown in Figures 1 to 4 and Figure 6 As shown, the right side of the seat plate 1 is provided with a rectangular opening that penetrates up and down, and the cross-sectional dimension of the rectangular opening is equal to the cross-sectional dimension of the backrest plate 4. The backrest plate 4 can slide up and down in the rectangular opening on the right side of the seat plate 1. When the backrest plate 4 is adjusted up and down, it will slide up and down in the rectangular opening on the right side of the seat plate 1, which facilitates the storage of the backrest plate 4 when the wheelchair is not used.

[0032] In the embodiments of the present disclosure, as shown in Figures 1 to 6 As shown, the top of the seat plate 1 is provided with a groove corresponding to the cushion 2, and the left side of the backrest plate 4 is provided with a groove corresponding to the size of the backrest cushion 5. The right side of the backrest cushion 5 is fixed with a magnetic rubber pad, and the inside of the backrest plate 4 is fixed with a magnet plate. During use, the cushion 2 can be placed in the groove on the top of the seat plate 1, and the cushion 2 is not easy to move in the groove. Then the backrest cushion 5 is installed in the groove on the left side of the backrest plate 4. At this time, the magnetic rubber pad on the right side of the backrest cushion 5 will be firmly attracted to the magnet plate inside the backrest plate 4. Therefore, the backrest cushion 5 can be prevented from falling off, and the cushion 2 and the backrest cushion 5 can be easily disassembled and cleaned later.

[0033] In the embodiments of the present disclosure, as shown in Figures 1 to 6 As shown, the front and rear sides of the backrest plate 4 are provided with a cylindrical protruding block, and one side of the lower support plate 3 is provided with a vertical guide groove. The width of the vertical guide groove is equal to the outer diameter of the cylindrical protruding block at the bottom of the front and rear sides of the backrest plate 4. When the backrest plate 4 slides up and down, the cylindrical protruding blocks at the bottom of the front and rear sides of the backrest plate 4 will slide up and down in the vertical guide groove on one side of the lower support plate 3, thereby ensuring the stability of the backrest plate 4 when it slides up and down. In addition, the backrest plate 4 can also be adjusted by rotating under the support of the cylindrical protruding blocks at the bottom of the front and rear sides of the backrest plate 4.

[0034] In the embodiments of the present disclosure, as shown in Figures 1 to 4As shown, the limiting baffle 6 is an inclined plate, and the right side outer wall of the backrest plate 4 will be close to the left side outer wall of the limiting baffle 6 after being moved to the topmost position and being rotated to the right. During use, the backrest plate 4 can be rotated to the right to be close to the left side of the limiting baffle 6, and then the bolt can be passed through the round holes on the lower positions of the front and rear sides of the backrest plate 4 and the round holes on the front and rear sides of the limiting baffle 6 and be fastened by the nut, so that the backrest plate 4 and the limiting baffle 6 can be locked together, and then the position of the backrest plate 4 can be fixed.

[0035] In example two, on the basis of example one, as shown, Figures 1 to 6 As shown, the top of the front and rear sides of the backrest plate 4 is outwardly convex, and the left side of the round hole on the backrest plate 4 is also provided with a hexagonal groove corresponding to the connecting bolt. When the wheelchair is not used, the backrest plate 4 can be pushed down to the bottommost position. During this process, the convex part on the top of the front and rear sides of the backrest plate 4 will be close to the top surface of the seat plate 1 to play a limiting role, so as to avoid the backrest plate 4 from sliding too much and falling off. During use, the backrest plate 4 can be rotated to the right to be close to the left side of the limiting baffle 6, and then the bolt can be passed through the round holes on the lower positions of the front and rear sides of the backrest plate 4 and the round holes on the front and rear sides of the limiting baffle 6 and be fastened by the nut, so that the backrest plate 4 and the limiting baffle 6 can be locked together, and then the position of the backrest plate 4 can be fixed. At this time, the head part of the bolt will also be embedded in the hexagonal groove on the left side of the round hole on the backrest plate 4, and the whole is more beautiful, and the user will be more comfortable when leaning.

[0036] The working principle of the present embodiment is as follows: during installation, the seat plate 1 can be fixed on the top of the main support part of the wheelchair. When the wheelchair needs to be used, the backrest plate 4 can be pulled up to the topmost position first. During this process, the cylindrical convex blocks on the bottom of the front and rear sides of the backrest plate 4 will slide upward in the vertical guide groove on one side of the lower support plate 3 to ensure the stability of the backrest plate 4 when sliding up and down. Then the backrest plate 4 can be rotated to the right to be close to the left side of the limiting baffle 6, and then the bolt can be passed through the round holes on the lower positions of the front and rear sides of the backrest plate 4 and the round holes on the front and rear sides of the limiting baffle 6 and be fastened by the nut, so that the backrest plate 4 and the limiting baffle 6 can be locked together, and then the position of the backrest plate 4 can be fixed. Then the cushion 2 can be placed in the groove on the top of the seat plate 1, and the cushion 2 is not easy to move in the groove. Then the back cushion 5 can be installed in the groove on the left side of the backrest plate 4. At this time, the magnetic rubber pad on the right side of the back cushion 5 will be firmly attracted to the magnet plate inside the backrest plate 4, so as to avoid the back cushion 5 from falling off. In addition, the cushion 2 and the back cushion 5 can be easily disassembled and cleaned later. When the wheelchair is used up and needs to be stored, the bolts and nuts on the backrest plate 4 and the limiting baffle 6 can be disassembled first, and then the backrest plate 4 can be rotated to the vertical state and pushed down to the bottommost position. Therefore, the backrest plate 4 can be retracted to the rear side of the wheelchair, reducing the overall height of the wheelchair and making the retraction and extraction more convenient.

[0037] In this paper, the following points need to be noted:

[0038] 1. The drawings in the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can be referred to the general design.

[0039] 2. In the case of no conflict, the embodiments and features in the embodiments of the present disclosure can be combined to obtain new embodiments.

[0040] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A novel powered wheelchair seat structure comprising: The utility model discloses a seat plate (1), its characterized in that: The seat plate (1) top is equipped with a seat cushion (2), the seat plate (1) bottom right side symmetry is equipped with two lower support plate (3) in front and back, the sliding installation of two lower support plate (3) has a backrest plate (4), the backrest plate (4) left side is equipped with a back cushion (5), the seat plate (1) top right side is welded with a limit baffle (6).

2. The novel electric wheelchair seat structure according to claim 1, wherein, The seat plate (1) right side is provided with a rectangular opening penetrating from top to bottom, and the cross-sectional dimension of the rectangular opening is equal to the cross-sectional dimension of the backrest plate (4), and the backrest plate (4) can slide up and down in the rectangular opening on the right side of the seat plate (1).

3. The novel electric wheelchair seat structure according to claim 1, wherein, The backrest plate (4) is provided with a cylindrical protruding block at the bottom of the front and rear sides, and one side of the lower support plate (3) is provided with a vertical guide groove, and the width of the vertical guide groove is equal to the outer diameter of the cylindrical protruding block at the bottom of the front and rear sides of the backrest plate (4).

4. The novel electric wheelchair seat structure according to claim 1, wherein, The limit baffle (6) is an inclined plate, and when the backrest plate (4) moves up to the topmost position and rotates to the right, the right side outer wall of the backrest plate (4) is in close contact with the left side outer wall of the limit baffle (6).

5. The novel electric wheelchair seat structure according to claim 1, wherein, The backrest plate (4) is provided with a circular hole at the lower position of the front and rear sides, and the limit baffle (6) is also provided with a circular hole at the front and rear sides, and when the backrest plate (4) moves up to the topmost position and rotates to the right, the circular hole on the backrest plate (4) is aligned with the circular hole on the limit baffle (6).

6. The novel electric wheelchair seat structure according to claim 1, wherein, The seat plate (1) is provided with a groove corresponding to the seat cushion (2) at the top, the backrest plate (4) is provided with a groove corresponding to the size of the back cushion (5) at the left side, the back cushion (5) is fixed with a magnetic rubber pad at the right side, and the backrest plate (4) is fixed with a magnet plate inside.

7. The novel electric wheelchair seat structure according to claim 1, wherein, The backrest plate (4) is outwardly convex at the top of the front and rear sides, and the left side of the circular hole on the backrest plate (4) is also provided with a hexagonal groove corresponding to the connecting bolt.

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