Electric wheelchair rocking handle with good waterproof and dustproof effects

Abstract

The utility model relates to the technical field of electric wheelchairs, and discloses an electric wheelchair rocking handle with good waterproof and dustproof effects, which comprises a wheelchair armrest, a box cover mechanism is arranged on the upper surface of the wheelchair armrest, the box cover mechanism comprises a sealing clamping groove, a first magnetic attraction block and a cover plate, the two sides of the lower surface of the cover plate are fixedly connected with sealing clamping strips, and the sealing clamping strips are fixedly connected with the first magnetic attraction block. A storage groove is formed in the front end of the middle of the upper surface of each wheelchair armrest, a control seat is rotationally connected to the front end of the inner wall of each storage groove, and a control block is arranged in the middle of the upper surface of each control seat. According to the electric wheelchair rocking handle, the detachable rocking bar is arranged, a user can press the button to open clamping and locking between the rocking bar and the connecting base so as to rapidly replace the handle of the electric wheelchair rocking handle, and therefore the electric wheelchair rocking handle can easily replace different types of handles; the method adapts to personal requirements or different use scenes, and improves the flexibility.

Description

Technical Field

[0001] This utility model relates to the field of electric wheelchair technology, and in particular to an electric wheelchair crank with good waterproof and dustproof performance. Background Technology

[0002] The crank handle is an important component of an electric wheelchair, mainly used to control the direction and speed of the wheelchair's movement. An electric wheelchair is a type of wheelchair powered by electricity, designed to provide greater comfort, convenience, and independence for people with mobility impairments. With its convenience, comfort, and independence, the electric wheelchair has become an important tool for improving the quality of life for people with mobility impairments.

[0003] However, most traditional electric wheelchair handles cannot be folded for storage, making them more susceptible to collisions and squeezing during storage or transportation, increasing the risk of damage and resulting in poor waterproofing and dustproofing during storage and transportation.

[0004] Therefore, those skilled in the art have provided an electric wheelchair crank with good waterproof and dustproof performance to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a waterproof and dustproof electric wheelchair crank handle. Compared to most traditional electric wheelchair crank handles, this handle features a cover mechanism and a storage slot. By moving the control base, the crank handle can be folded and stored in the storage slot, and the sliding cover can close the slot. This reduces the risk of damage to the crank handle during storage and movement, thereby minimizing the risk of collisions during transportation and storage, reducing the possibility of accidental damage, and effectively blocking dust and moisture, protecting the internal components of the crank handle, and extending its service life.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] An electric wheelchair crank with good waterproof and dustproof effect includes a wheelchair armrest. The upper surface of the wheelchair armrest is provided with a cover mechanism. The cover mechanism includes a sealing slot, a first magnetic block and a cover plate. Sealing strips are fixedly connected to both sides of the lower surface of the cover plate. A storage slot is opened at the front end of the middle part of the upper surface of the wheelchair armrest. A control seat is rotatably connected to the front end of the inner wall of the storage slot. A control block is provided in the middle of the upper surface of the control seat.

[0008] The upper surface of the control block is provided with a grip mechanism, which includes a connecting seat. Limiting slots are formed around the outer wall of the connecting seat. A rocker arm is engaged with the outer wall of the connecting seat. A connecting groove is formed on the lower surface of the rocker arm. A placement groove is formed on the inner wall of the connecting groove. Limiting blocks are hinged to the bottom surface of the placement groove. A push rod is hinged to the upper end of the inner wall of the limiting blocks. A limiting groove is formed at the center of the top surface of the placement groove. A limiting rod is slidably connected to the inner wall of the limiting groove. A spring is provided in the middle of the inner wall of the limiting groove. A rubber sleeve is fixedly connected to the outer wall of the rocker arm.

[0009] Compared with most traditional electric wheelchair handles, this electric wheelchair handle features a detachable rocker arm. Users can quickly replace the handle by pressing a button to unlock the connection between the rocker arm and the connector. This allows for easy replacement of different types of handles to suit individual needs or different usage scenarios, thus improving flexibility.

[0010] Furthermore, the sealing grooves are respectively formed on both sides of the upper surface of the wheelchair armrest, and the sealing strip is slidably connected to the sealing grooves;

[0011] The above technical solution allows the cover plate to fit snugly against the wheelchair armrest.

[0012] Furthermore, the cover plate is slidably connected to the upper surface of the wheelchair armrest;

[0013] The above technical solution allows users to adjust the position of the cover on the wheelchair armrest.

[0014] Furthermore, the first magnetic block is fixedly connected to the front end of the upper surface of the wheelchair armrest, and the second magnetic block is fixedly connected to the front end of the lower surface of the cover plate;

[0015] The above technical solution uses the magnetic attraction between the first magnetic block and the second magnetic block to fix the position of the cover plate.

[0016] Furthermore, a soft pad is fixedly connected to the upper surface of the cover plate;

[0017] The above technical solution, by setting up soft padding, allows users to use the device more comfortably.

[0018] Furthermore, a snap-fit ​​groove is provided in the middle of the upper surface of the connector;

[0019] The above technical solution uses a snap-fit ​​groove to position the joystick.

[0020] Furthermore, the end of the push rod furthest from the limiting block is hinged to the limiting rod;

[0021] The above technical solution enables the limit rod to control the position of the limit block through the push rod.

[0022] Furthermore, a button is fixedly connected to the upper surface of the limiting rod;

[0023] The above technical solution allows users to move the position of the limit lever by setting a button.

[0024] This utility model has the following beneficial effects:

[0025] 1. This utility model proposes an electric wheelchair crank handle with good waterproof and dustproof effects. Compared with most traditional electric wheelchair crank handles, this electric wheelchair crank handle is equipped with a cover mechanism and a storage slot. By turning the control seat, the crank handle can be folded and stored in the storage slot. The sliding cover can close the storage slot, thereby reducing the damage to the electric wheelchair crank handle from the outside world during storage and movement. This reduces the risk of collision during transportation and storage, lowers the possibility of accidental damage, and can also effectively block dust and moisture, protect the internal components of the crank handle, and extend its service life.

[0026] 2. The electric wheelchair crank handle with good waterproof and dustproof effect proposed in this utility model is different from most traditional electric wheelchair crank handles. This electric wheelchair crank handle is equipped with a detachable rocker arm. Users can press the button to open the locking between the rocker arm and the connecting seat, so as to quickly replace the handle of the electric wheelchair crank handle. This makes it easier to replace different types of handles to adapt to individual needs or different usage scenarios, thus improving flexibility. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of an electric wheelchair crank with good waterproof and dustproof effect proposed in this utility model;

[0028] Figure 2 This is a schematic diagram of the cover mechanism of the electric wheelchair crank handle with good waterproof and dustproof effect proposed in this utility model;

[0029] Figure 3 This is a schematic diagram of the connecting seat structure of an electric wheelchair crank handle with good waterproof and dustproof effect proposed in this utility model;

[0030] Figure 4 This utility model provides a schematic diagram of a slot structure for placing the crank handle of an electric wheelchair with good waterproof and dustproof performance.

[0031] Figure 5This is a schematic diagram of a limiting groove structure for a water- and dust-proof electric wheelchair crank handle, as proposed in this utility model.

[0032] Legend:

[0033] 1. Wheelchair armrests;

[0034] 2. Lid mechanism; 201. Sealing slot; 202. First magnetic block; 203. Lid plate; 204. Second magnetic block; 205. Sealing strip; 206. Soft pad;

[0035] 3. Storage slot; 4. Control base; 5. Control block;

[0036] 6. Grip mechanism; 601. Connecting seat; 602. Snap-fit ​​groove; 603. Limiting groove; 604. Rocker arm; 605. Connecting groove; 606. Placement groove; 607. Limiting block; 608. Push rod; 609. Limiting groove; 6010. Limiting rod; 6011. Spring; 6012. Button; 6013. Rubber sleeve. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] Reference Figure 1-5 One embodiment provided by this utility model:

[0039] An electric wheelchair crank with good waterproof and dustproof effect includes a wheelchair armrest 1. The upper surface of the wheelchair armrest 1 is provided with a cover mechanism 2. The cover mechanism 2 includes a sealing groove 201, a first magnetic block 202 and a cover plate 203. Sealing strips 205 are fixedly connected to both sides of the lower surface of the cover plate 203. A storage groove 3 is opened at the front end of the middle part of the upper surface of the wheelchair armrest 1. A control seat 4 is rotatably connected to the front end of the inner wall of the storage groove 3. A control block 5 is provided in the middle of the upper surface of the control seat 4. The sealing grooves 201 are respectively opened on both sides of the upper surface of the wheelchair armrest 1. The sealing strips 205 are slidably connected to the sealing grooves 201, so that the cover plate 203 can fit tightly with the wheelchair armrest 1.

[0040] The upper surface of the control block 5 is provided with a grip mechanism 6. The grip mechanism 6 includes a connecting seat 601. Limiting slots 603 are formed around the outer wall of the connecting seat 601. A rocker arm 604 is engaged with the outer wall of the connecting seat 601. A connecting groove 605 is formed on the lower surface of the rocker arm 604. A placement groove 606 is formed on the inner wall of the connecting groove 605. Limiting blocks 607 are hinged around the bottom surface of the placement groove 606. A push rod 608 is hinged to the upper end of the inner wall of the limiting block 607. A limiting groove 609 is formed at the center of the top surface of the placement groove 606. A limiting rod 6010 is slidably connected to the inner wall of the limiting groove 609. A spring 6011 is provided in the middle of the inner wall of the limiting groove 609. A rubber sleeve 6013 is fixedly connected to the outer wall of the rocker arm 604.

[0041] Compared to most traditional electric wheelchair handles, this electric wheelchair handle is equipped with a cover mechanism 2 and a storage slot 3. By moving the control seat 4, the handle can be folded and stored in the storage slot 3. The sliding cover 203 can close the storage slot 3, thereby reducing the damage to the electric wheelchair handle from the outside world during storage and movement. This reduces the risk of collisions during transportation and storage, lowers the possibility of accidental damage, and can also effectively block dust and moisture, protect the internal components of the handle, and extend its service life.

[0042] The cover plate 203 is slidably connected to the upper surface of the wheelchair armrest 1, allowing the user to adjust its position on the armrest 1. A first magnetic block 202 is fixedly connected to the front end of the upper surface of the armrest 1, and a second magnetic block 204 is fixedly connected to the front end of the lower surface of the cover plate 203. The magnetic attraction between the first and second magnetic blocks 202 and 204 fixes the position of the cover plate 203. A soft pad 206 is fixedly connected to the upper surface of the cover plate 203, allowing the user to more easily adjust its position. For comfortable use, a locking groove 602 is provided in the middle of the upper surface of the connecting seat 601. The locking groove 602 is used to position the rocker arm 604. The end of the push rod 608 away from the limiting block 607 is hinged to the limiting rod 6010, so that the limiting rod 6010 can control the position of the limiting block 607 through the push rod 608. A button 6012 is fixedly connected to the upper surface of the limiting rod 6010, so that the user can move the position of the limiting rod 6010.

[0043] Working principle: First, when in use, slide the cover plate 203 to open the storage slot 3. After rotating and aligning the control seat 4, slide the cover plate 203 again to press and position the control seat 4. When not in use, reverse the above steps. The user can select a rocker arm 604 of suitable size according to the needs of the rubber sleeve 6013. By pressing the button 6012, the limit rod 6010 pushes the push rod 608 downward, thereby causing the limit block 607 to disengage from the limit slot 603, and the original rocker arm 604 can be disassembled. When installing, align the locking slot 602 and the connecting slot 605 and rotate at a certain angle to complete the installation.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A waterproof and dustproof electric wheelchair crank handle with good effect, comprising a wheelchair handrail (1), characterized in that: The upper surface of the wheelchair armrest (1) is provided with a box cover mechanism (2), the box cover mechanism (2) comprises a sealing clamping groove (201), a first magnetic block (202) and a cover plate (203), the lower surface of the cover plate (203) is fixedly connected with a sealing clamping strip (205) on both sides, the front end of the upper surface of the wheelchair armrest (1) is provided with a receiving groove (3), the front end of the inner wall of the receiving groove (3) is rotatably connected with a control seat (4), and the upper surface of the control seat (4) is provided with a control block (5). The upper surface of the control block (5) is provided with a handle mechanism (6), the handle mechanism (6) comprises a connecting seat (601), a limiting clamping groove (603) is formed in the outer wall of the connecting seat (601), a rocker (604) is connected with the outer wall of the connecting seat (601), a connecting groove (605) is formed in the lower surface of the rocker (604), a placing groove (606) is formed in the inner wall of the connecting groove (605), a limiting clamping block (607) is hingedly connected to the inner bottom surface of the placing groove (606), a push rod (608) is hingedly connected to the inner wall of the limiting clamping block (607), a limiting groove (609) is formed in the center of the inner top surface of the placing groove (606), a limiting rod (6010) is slidably connected to the inner wall of the limiting groove (609), a spring (6011) is arranged on the inner wall of the limiting groove (609), and a rubber sleeve (6013) is fixedly connected to the outer wall of the rocker (604).

2. The waterproof and dustproof electric wheelchair handlebar of claim 1, wherein: The sealing clamping groove (201) is formed in the upper surface of the wheelchair armrest (1) on both sides.

3. The waterproof and dustproof electric wheelchair handlebar of claim 1, wherein: The cover plate (203) is slidably connected to the upper surface of the wheelchair armrest (1).

4. The waterproof and dustproof electric wheelchair handlebar of claim 1, wherein: The first magnetic block (202) is fixedly connected to the front end of the upper surface of the wheelchair armrest (1), and the front end of the lower surface of the cover plate (203) is fixedly connected with a second magnetic block (204).

5. The waterproof and dustproof electric wheelchair handlebar of claim 1, wherein: The upper surface of the cover plate (203) is fixedly connected with a soft pad (206).

6. The waterproof and dustproof electric wheelchair handlebar of claim 1, wherein: The upper surface of the connecting seat (601) is provided with a clamping groove (602) in the middle.

7. The waterproof and dustproof electric wheelchair handlebar of claim 1, wherein: The end of the push rod (608) away from the limiting clamping block (607) is hingedly connected with the limiting rod (6010).

8. The waterproof and dustproof electric wheelchair handlebar of claim 1, wherein: The upper surface of the limiting rod (6010) is fixedly connected with a button (6012).

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