Integrally-formed seat frame for electric wheelchair
By designing the integrated molded electric wheelchair seat frame, the problem of easy breakage and inconvenient replacement of the foot plate is solved, and the convenient installation and disassembly of the foot plate is achieved, which improves the practicality and convenience of the equipment.
Patent Information
- Application Number
- CN202421014179.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The leg support structure of the existing electric wheelchair is prone to breaking when used for a long time or is trampled strongly, and it is inconvenient to replace.
A integrated electric wheelchair seat frame is designed, including a fixing frame, support mechanism, installation block, footrest board, plug-in block and plug-in slot. The convenient installation and disassembly of the footrest board is achieved through plug-in coordination, and storage boxes and drawers are installed on the fixing frame to improve the practicality of the equipment.
It realizes convenient replacement of footboards and convenient storage of items, improving the practicality and convenience of use of equipment.
Smart Images

Figure CN223111897U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric wheelchairs, in particular to an integrally formed seat frame for an electric wheelchair. Background Art
[0002] The electric wheelchair is a new generation of intelligent wheelchair that is modified and upgraded based on the traditional manual wheelchair by adding high-performance power drive devices, intelligent control devices, batteries and other components. It has a manually operated intelligent controller that can drive the wheelchair to complete multiple functions such as forward, backward, turning, standing, lying down, etc. It is a high-tech product that combines modern precision machinery, intelligent numerical control, engineering mechanics and other fields. The electric wheelchair includes an electric drive system and a seat, among which the seat frame is a part of the seat, and the seat frame includes structures such as the seat, backrest, armrests and leg support.
[0003] However, the leg support structure of the electric wheelchair in the prior art includes a footrest. When the device is used for a long time or stepped on forcefully, the footrest may break. However, the footrest is installed on the leg support structure and is not easy to replace. Utility Model Content
[0004] In order to make up for the above deficiencies, the utility model provides an integrally formed electric wheelchair seat frame that overcomes the above technical problems or at least partially solves the above problems.
[0005] The utility model is achieved in this way:
[0006] The utility model provides an integrally formed electric wheelchair seat frame, comprising a fixing frame, a seat is fixedly mounted on the top of the fixing frame, a driving wheel is mounted on the bottom of the fixing frame, a supporting frame is mounted on the front of the fixing frame, and a driver is mounted on the bottom of the fixing frame;
[0007] A supporting mechanism, the supporting mechanism comprising:
[0008] A mounting block, the mounting block being mounted on the bottom of the support frame;
[0009] A footboard, the footboard being installed on the inner side of the mounting block;
[0010] A plug-in block, the plug-in block is fixedly mounted on the inner side of the mounting block;
[0011] The plug-in slot is arranged on the outside of the footrest, and the plug-in block is plugged and matched with the plug-in slot.
[0012] In a preferred solution, a connecting plate is snap-fitted to the back of the footrest, a slot is installed on the back of the mounting block, and an inserting plate is installed on the front of the connecting plate, and the inserting plate is plug-fitted with the slot.
[0013] In a preferred embodiment, a fixing plate is fixedly installed on the top of the driver, a storage box is installed on the top of the fixing plate, and a drawer is inserted into the storage box.
[0014] In a preferred embodiment, a pull rod is installed on the back of the storage box, the front of the pull rod penetrates into the interior of the storage box, a push plate is fixedly installed on the front of the pull rod, and magnetic attraction plates are embedded on both sides of the rear side of the inner wall of the storage box, and the magnetic attraction plates are adsorbed to the push plate.
[0015] In a preferred embodiment, moving grooves are formed on both sides of the inner wall of the storage box, moving plates are fixedly installed on both sides of the front of the push plate, and limiting plates are fixedly installed on the front of the moving plates.
[0016] In a preferred embodiment, mounting shafts are fixedly installed on both sides of the inner wall of the storage box, blocking plates are rotatably installed on the surfaces of the mounting shafts, and limiting blocks are fixedly installed on both sides of the drawer.
[0017] In a preferred embodiment, a rotating rod is installed on the outside of the mounting block, a pushing block is fixedly installed on the inner side of the rotating rod, a mounting groove is formed on the inner wall of the slot, a spring is fixedly installed on the inner wall of the mounting groove, and a fixing block is fixedly installed on the outer end of the spring.
[0018] In a preferred embodiment, a fixing groove is formed on the surface of the plug board, a notch is formed on the front of the plug board, the notch is communicated with the fixing groove, and the fixing block is inserted and matched with the fixing groove.
[0019] The one-piece molded seat frame for an electric wheelchair provided by the present invention has the following beneficial effects:
[0020] 1. By providing a support mechanism, after the user installs the support mechanism, the support mechanism can support the user's feet, and the user can disassemble the support mechanism, so as to facilitate the replacement of the support mechanism due to long-term use.
[0021] 2. By providing a fixing plate, a storage box and a drawer, after the fixing plate is installed, the storage box can be installed, and the storage box can place the drawer, so that the user can place the items needed into the drawer, so as to be prepared for emergencies and improve the practicality of the device. Description of the Drawings
[0022] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings;
[0023] Figure 1 is the overall three-dimensional view provided by the embodiment of the present utility model;
[0024] Figure 2 is the schematic diagram of the three-dimensional sectional structure of the storage box provided by the embodiment of the present utility model;
[0025] Figure 3 is the schematic diagram of the three-dimensional sectional structure of the mounting block provided by the embodiment of the present utility model;
[0026] Figure 4 is provided by the embodiment of the present utility model Figure 2 is the enlarged structure schematic diagram at A in;
[0027] In the figure: 1, fixed frame; 2, seat; 3, drive wheel; 4, support frame; 5, driver; 6, support mechanism; 61, mounting block; 62, footrest; 63, plug-in block; 64, plug-in slot; 7, connecting plate; 8, slot; 9, plug board; 10, fixing plate; 11, storage box; 12, drawer; 13, pull rod; 14, push plate; 15, magnetic attraction plate; 16, moving groove; 17, moving plate; 18, limiting plate; 19, mounting shaft; 20, blocking plate; 21, limiting block; 22, rotating rod; 23, push block; 24, mounting groove; 25, spring; 26, fixing block; 27, fixing groove; 28, notch. Specific Embodiments
[0028] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.
[0029] Embodiment
[0030] Refer to Figures 1 - 4, the present utility model provides a technical solution: an integrally formed seat frame for an electric wheelchair, which includes a fixing frame 1 and a supporting mechanism 6. A seat 2 is fixedly installed on the top of the fixing frame 1, driving wheels 3 are installed at the bottom of the fixing frame 1, a supporting frame 4 is installed on the front of the fixing frame 1, and a driver 5 is installed at the bottom of the fixing frame 1, enabling the installation of the fixing frame 1, the driving wheels 3 and the driver 5. It is convenient for the user to start the driving wheels 3 to move by operating the controller in the armrest of the seat 2. And after the supporting frame 4 is installed, the supporting mechanism 6 can be installed, facilitating the use of the supporting mechanism 6 to support the user's feet.
[0031] Referring to Figures 1 - 3 , in a preferred embodiment, by providing the supporting mechanism 6, the supporting mechanism 6 includes a mounting block 61, a footrest plate 62, a plug-in block 63 and a plug-in slot 64. The mounting block 61 is installed at the bottom of the supporting frame 4, the footrest plate 62 is installed inside the mounting block 61, the plug-in block 63 is fixedly installed inside the mounting block 61, the plug-in slot 64 is opened on the outer side of the footrest plate 62, and the plug-in block 63 is in plug-in fit with the plug-in slot 64, enabling the mounting block 61 to install the plug-in block 63 after installation. It is convenient to install the footrest plate 62 after inserting the plug-in block 63 into the plug-in slot 64, so as to facilitate the disassembly and replacement of the footrest plate 62 when it is damaged. And a connecting plate 7 is snap-fitted and installed on the back of the footrest plate 62, a slot 8 is installed on the back of the mounting block 61, a plug plate 9 is installed on the front of the connecting plate 7, and the plug plate 9 is in plug-in fit with the slot 8, enabling the connecting plate 7 to drive the plug plate 9 to move and then insert into the slot 8, thus facilitating the installation of the footrest plate 62.
[0032] Referring to Figures 1 - 2 , in a preferred embodiment, a fixing plate 10 is fixedly installed on the top of the driver 5, a storage box 11 is installed on the top of the fixing plate 10, and a drawer 12 is inserted into the storage box 11, enabling the storage box 11 to be installed after the fixing plate 10 is installed, facilitating the installation of the drawer 12 into the storage box 11. And a pull rod 13 is installed on the back of the storage box 11, the front of the pull rod 13 penetrates into the storage box 11, a push plate 14 is fixedly installed on the front of the pull rod 13, and magnetic attraction plates 15 are embedded on both sides of the rear side of the inner wall of the storage box 11. The magnetic attraction plates 15 are attracted to the push plate 14, enabling the push plate 14 to move when the user pushes the pull plate, facilitating the separation of the push plate 14 from the magnetic attraction plates 15, enabling the push plate 14 to move the drawer 12, and thus facilitating the user to move the drawer 12 to take out the items in the drawer 12.
[0033] In a preferred embodiment, when installing the footrest 62, the user aligns the insertion block 63 with the insertion slot 64, inserts the insertion block 63 into the insertion slot 64, and then clips the connecting plate 7 to the back of the connecting plate 7, so that the insertion plate 9 is inserted into the slot 8, facilitating the connection of the mounting block 61 and the footrest 62 and enabling the installation of the footrest 62. When the user takes out the items in the drawer 12, the user pushes the pull rod 13, causing the pull rod 13 to drive the push plate 14 to separate from the magnetic attraction plate 15, enabling the push plate 14 to push the drawer 12, thereby facilitating the removal of the items in the drawer 12 after moving the drawer 12.
[0034] Referring to Figures 1 - 4 , in a preferred embodiment, moving grooves 16 are provided on both sides of the inner wall of the storage box 11. Moving plates 17 are fixedly installed on both sides of the front surface of the push plate 14, and limiting plates 18 are fixedly installed on the front surface of the moving plates 17, enabling the moving plates 17 to be slidably connected to the moving grooves 16 after the moving grooves 16 are opened, thereby facilitating the installation of the limiting plates 18 on the moving plates 17. Mounting shafts 19 are fixedly installed on both sides of the inner wall of the storage box 11, and blocking plates 20 are rotatably installed on the surfaces of the mounting shafts 19. Limiting blocks 21 are fixedly installed on both sides of the drawer 12, enabling the blocking plates 20 to be installed after the mounting shafts 19 are installed and enabling the limiting blocks 21 to limit the blocking plates 20.
[0035] Referring to Figures 1 - 4 , in a preferred embodiment, a rotating rod 22 is installed on the outside of the mounting block 61, a push block 23 is fixedly installed on the inner side of the rotating rod 22, a mounting groove 24 is provided on the inner wall of the slot 8, a spring 25 is fixedly installed on the inner wall of the mounting groove 24, a fixed block 26 is fixedly installed at the outer end of the spring 25, a fixing groove 27 is provided on the surface of the insertion plate 9, a notch 28 is provided on the front surface of the insertion plate 9, and the notch 28 communicates with the fixing groove 27. The fixed block 26 is in plug-in fit with the fixing groove 27, enabling the push block 23 to be installed after the rotating rod 22 is installed, facilitating the user to rotate the rotating rod 22 to squeeze the fixed block 26, facilitating the pushing of the fixed block 26 into the mounting groove 24 and then moving the insertion plate 9, thereby facilitating the disassembly of the insertion plate 9 and the connecting plate 7.
[0036] In a preferred embodiment, when the push plate 14 is moved, the push plate 14 can drive the moving plate 17 to move, and the moving plate 17 drives the limiting plate 18 to separate from the blocking plate 20, so that it is convenient for the user to pull the drawer 12 and then the limiting block 21 squeezes the blocking plate 20, causing the blocking plate 20 to deflect, thus facilitating the removal of the drawer 12. When the user inserts the insertion plate 9 into the slot 8, the fixing groove 27 is aligned with the installation groove 24. Then the user rotates the rotating rod 22, and the rotating rod 22 drives the push block 23 to move outward, enabling the spring 25 to squeeze the fixing block 26, so that the fixing block 26 is inserted into the fixing groove 27. It is convenient for the fixing block 26 and the push block 23 to be inserted into the fixing groove 27 to limit the insertion plate 9, and it is convenient to connect the mounting block 61 and the footrest plate 62 through the connecting plate 7 and the insertion plate 9.
[0037] Specifically, the electric wheelchair of the integrally formed electric wheelchair seat frame includes an electric drive system, a seat, etc. The seat frame is a part of the seat. The seat frame includes structures such as a seat, a backrest, armrests, and a leg support. The working process or principle is as follows: When installing the footrest plate 62, the user aligns the plug-in block 63 with the plug-in slot 64, inserts the plug-in block 63 into the plug-in slot 64, and then installs the connecting plate 7 on the back of the connecting plate 7, inserts the insertion plate 9 into the slot 8, which is convenient for connecting the mounting block 61 and the footrest plate 62, playing a role in stable connection and facilitating the installation of the footrest plate 62. When the user takes out the items in the drawer 12, the user pushes the pull rod 13, and the pull rod 13 drives the push plate 14 to separate from the magnetic attraction plate 15, enabling the push plate 14 to push the drawer 12, so that it is convenient to move the drawer 12 and then take out the items in the drawer 12 for use.
[0038] It should be noted that the driver 5 is a device or equipment existing in the prior art, or a device or equipment that can be realized by the prior art. Its power supply, specific composition, and principle are clear to those skilled in the art, so no further details will be described.
Claims
1. An integrally formed seat frame for an electric wheelchair, comprising a fixed frame (1), characterized in that; A seat (2) is fixedly installed at the top of the fixing frame (1), a driving wheel (3) is installed at the bottom of the fixing frame (1), a support frame (4) is installed on the front of the fixing frame (1), and a driver (5) is installed at the bottom of the fixing frame (1); A support mechanism (6), the support mechanism (6) includes; A mounting block (61), the mounting block (61) is installed at the bottom of the support frame (4); A footrest plate (62), the footrest plate (62) is installed inside the mounting block (61); A plug-in block (63), the plug-in block (63) is fixedly installed inside the mounting block (61); A plug-in slot (64), the plug-in slot (64) is opened on the outer side of the footrest plate (62), and the plug-in block (63) is in plug-in fit with the plug-in slot (64).
2. The one-piece formed seat frame for an electric wheelchair according to claim 1, characterized in that, A connecting plate (7) is snap-fitted and installed on the back of the footrest plate (62), a slot (8) is installed on the back of the mounting block (61), a plug-in plate (9) is installed on the front of the connecting plate (7), and the plug-in plate (9) is in plug-in fit with the slot (8).
3. The integrated molded seat frame for an electric wheelchair according to claim 1, wherein, A fixing plate (10) is fixedly installed at the top of the driver (5), a storage box (11) is installed at the top of the fixing plate (10), and a drawer (12) is inserted into the storage box (11).
4. The one-piece molded seat frame for an electric wheelchair according to claim 3, characterized in that, A pull rod (13) is installed on the back of the storage box (11), the front of the pull rod (13) penetrates into the storage box (11), a push plate (14) is fixedly installed on the front of the pull rod (13), and magnetic attraction plates (15) are embedded on both sides of the rear side of the inner wall of the storage box (11), and the magnetic attraction plates (15) are attracted to the push plate (14).
5. The one-piece formed seat frame for an electric wheelchair according to claim 4, characterized in that, Moving grooves (16) are opened on both sides of the inner wall of the storage box (11), moving plates (17) are fixedly installed on both sides of the front of the push plate (14), and limiting plates (18) are fixedly installed on the front of the moving plates (17).
6. The one-piece formed seat frame for an electric wheelchair according to claim 3, wherein, Mounting shafts (19) are fixedly installed on both sides of the inner wall of the storage box (11), a blocking plate (20) is rotatably installed on the surface of the mounting shafts (19), and limiting blocks (21) are fixedly installed on both sides of the drawer (12).