Wheelchair with pedal adjusting function

Abstract

The utility model provides a wheelchair with a pedal adjusting function, which relates to the technical field of wheelchairs and comprises a connecting rod mounted below the front end of a wheelchair main body, a mounting cavity is mounted at the bottom end of the connecting rod, a pedal main body is mounted on the inner side of the mounting cavity, and a supporting mechanism is arranged at one end below the pedal main body; the recycling mechanisms are arranged in the mounting cavity, the pedal main body can be driven to rotate through mutual cooperation of the recycling mechanisms, so that the pedal main body can be automatically recycled, a user is not prone to be stumbled by the pedal main body in the using process, the wheelchair is safer in the using process, and meanwhile after the pedal main body is turned up, the pedal main body is not prone to falling down. When the wheelchair is in use, the alarm can give out sound to remind medical staff or family members and give out light, so that surrounding caregivers can position the wheelchair in time and know that the patient stands up by himself in time so as to prevent and assist the wheelchair from falling down, and the practicability of the wheelchair in use is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheelchair technical field especially, relate to a wheelchair with footboard adjusting function. 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.

[0003] For elderly patients, with the growth of age, cognitive and reaction ability will reduce, when leaving wheelchair (although wheelchair is equipped with safety belt, but some old people still can unfasten by oneself), often cannot react in time, is easily stepped on, and causes falling injury. Therefore, wheelchair has certain safety hidden danger when using for elderly patients. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problem, the utility model provides a wheelchair with footboard adjusting function to solve the problem that the pedal is inconvenient to automatically recycle in the prior art, and the elderly patients have certain safety hidden danger when using.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a wheelchair with footboard adjusting function, including the connecting rod installed below the front end of wheelchair main body, the bottom end of connecting rod is installed with installation cavity, the inner side of installation cavity is installed with pedal main body, the inside of installation cavity is provided with recovery mechanism, the lower end of pedal main body is provided with support mechanism, the side of wheelchair main body seat is provided with button, the lower of wheelchair main body is installed with alarm;

[0006] The recovery mechanism includes pressure sensor, first motor, worm, worm gear, rotating shaft and connecting sleeve, the pressure sensor is installed at the middle position inside pedal main body, the first motor is installed at one side inside installation cavity, the output end of first motor is installed with worm, the lower end of worm is engaged with worm gear, one end of worm gear is installed with rotating shaft, the outer side wall of rotating shaft is provided with connecting sleeve, one end of connecting sleeve is connected with one end of pedal main body.

[0007] Further improvement lies in that: the support mechanism includes fixed plate, fixed cavity, support plate and transmission structure, the fixed plate is installed at the bottom end of installation cavity, the top end of fixed plate is installed with fixed cavity, the inside of fixed cavity is provided with transmission structure, the top end of fixed cavity is installed with support plate.

[0008] Further improvement lies in that the transmission structure comprises a second motor, a threaded rod, a threaded sleeve, a movable cavity and a limiting structure, the second motor is installed at the bottom end inside the fixed cavity, the output end of the second motor is provided with the threaded rod, the outer side wall of the threaded rod is provided with the threaded sleeve, the outer side wall of the threaded sleeve is fixedly provided with the movable cavity, and the top end of the movable cavity is connected with the bottom end of the supporting plate.

[0009] Further improvement lies in that the limiting structure comprises a limiting groove and a limiting block, the limiting groove is arranged in the inside of the fixed cavity, and the limiting block is arranged in the inside of the limiting groove.

[0010] Further improvement lies in that the cross section of the limiting groove is larger than that of the limiting block, and the sliding structure is formed between the limiting groove and the limiting block.

[0011] Further improvement lies in that two limiting grooves are arranged in the inside of the fixed cavity, and the two limiting grooves are symmetrically distributed about the central axis of the fixed cavity.

[0012] The utility model discloses a beneficial effect is: through being provided with recovery mechanism in the inside of installation cavity, utilizing the pressure sensor, first motor, worm, worm wheel, rotation axis and the mutual cooperation between connecting sleeve of recovery mechanism, can drive pedal main part to rotate, make pedal main body can automatic recovery processing, therefore when using, make pedal main body not easy to trip down user, make the wheelchair more safe when using, and the alarm will issue the sound to remind medical staff or family after pedal main body is turned up, and emit light, make the surrounding nursing staff can position in time, know in time patient self -support, and give to prevent and assist, avoid the occurrence of falling event, thereby greatly improve the practicability of the wheelchair when using. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram of the utility model;

[0014] Figure 2 It is pedal whole structure schematic diagram of the utility model;

[0015] Figure 3 It is recovery mechanism whole structure schematic diagram of the utility model;

[0016] Figure 4 The whole structure schematic diagram of the supporting mechanism of the utility model;

[0017] Figure 5 The cross section structure schematic diagram of the supporting mechanism of the utility model.

[0018] Among them: 1, wheelchair main body; 2, connecting rod; 3, installation cavity; 4, pedal main body; 5, pressure sensor; 6, first motor; 7, worm; 8, worm wheel; 9, rotating shaft; 10, connecting sleeve; 11, fixed plate; 12, fixed cavity; 13, second motor; 14, threaded rod; 15, threaded sleeve; 16, movable cavity; 17, support plate; 18, limit groove; 19, limit block; 20, alarm. Specific implementation

[0019] In order to deepen the understanding of the utility model, the utility model will be further described below in conjunction with examples, and the present embodiment is only used to explain the utility model, and does not constitute the limitation of the protection scope of the utility model.

[0020] According to Figure 1 、 2 , 3, 4, 5, the present embodiment proposes a wheelchair with foot pedal adjusting function, including the connecting rod 2 installed below the front end of wheelchair main body 1, the bottom end of connecting rod 2 is installed with installation cavity 3, the inner side of installation cavity 3 is installed with pedal main body 4, the inside of installation cavity 3 is provided with recovery mechanism, one end below pedal main body 4 is provided with supporting mechanism, the side of wheelchair main body 1 seat is provided with button, button can make pedal main body 4 unfold, button is set on the side of seat to prevent the old people from being mistaken, improve the safety of wheelchair use;

[0021] The recovery mechanism comprises a pressure sensor 5, a first motor 6, a worm 7, a worm wheel 8, a rotating shaft 9 and a connecting sleeve 10, the pressure sensor 5 is installed at the middle position inside the pedal body 4, the first motor 6 is installed at one side inside the installation cavity 3, the output end of the first motor 6 is provided with the worm 7, the lower end of the worm 7 is engaged with the worm wheel 8, one end of the worm wheel 8 is provided with the rotating shaft 9, the outer side wall of the rotating shaft 9 is provided with the connecting sleeve 10, and one end of the connecting sleeve 10 is connected with one end of the pedal body 4. In use, the first motor 6 is started to drive the worm 7 to rotate, since the worm 7 and the worm wheel 8 are engaged with each other, the rotating shaft 9 is driven to rotate by the worm wheel 8, and then the pedal body 4 is driven to rotate by the connecting sleeve 10, and the pedal body 4 is lowered. When the user needs to leave the wheelchair, the foot is moved from above the pedal body 4, the pressure sensor 5 detects that the pressure disappears, at this time the second motor 13 is started to reverse, the supporting plate 17 is driven to move downward, at the same time the first motor 6 is started to reverse, the pedal body 4 is driven to overturn upward, the pedal body 4 is automatically recovered, the user is not easy to stumble, the wheelchair is safer in use, and the practicability of the wheelchair in use is greatly improved.

[0022] The supporting mechanism comprises a fixed plate 11, a fixed cavity 12, a supporting plate 17 and a transmission structure, the fixed plate 11 is installed at the bottom end of the installation cavity 3, the top end of the fixed plate 11 is provided with the fixed cavity 12, the inside of the fixed cavity 12 is provided with the transmission structure, and the top end of the fixed cavity 12 is provided with the supporting plate 17. The transmission structure comprises a second motor 13, a threaded rod 14, a threaded sleeve 15, a movable cavity 16 and a limiting structure, the second motor 13 is installed at the bottom end inside the fixed cavity 12, the output end of the second motor 13 is provided with the threaded rod 14, the outer side wall of the threaded rod 14 is provided with the threaded sleeve 15, the outer side wall of the threaded sleeve 15 is fixedly installed with the movable cavity 16, and the top end of the movable cavity 16 is connected with the bottom end of the supporting plate 17. In use, the second motor 13 is started to drive the threaded rod 14 to rotate, so as to drive the threaded sleeve 15 to move, and then the movable cavity 16 is driven to move by the threaded sleeve 15 under the limiting of the limiting groove 18 and the limiting block 19, and then the supporting plate 17 is driven to move upward, the pedal body 4 is supported by the supporting plate 17, the pedal body 4 is more stable in use, the worm 7 and the worm wheel 8 can be protected, the wheelchair is better in use, and the stability of the wheelchair in use is greatly improved.

[0023] The limiting structure comprises a limiting groove 18 and a limiting block 19, the limiting groove 18 is arranged in the inside of the fixed cavity 12, the inside of the limiting groove 18 is provided with the limiting block 19, one end of the limiting block 19 is connected with the outside of the movable cavity 16, the cross section of the limiting groove 18 is larger than that of the limiting block 19, the limiting groove 18 and the limiting block 19 form a sliding structure, the limiting groove 18 is arranged in the inside of the fixed cavity 12 in two, the two limiting grooves 18 are symmetrically distributed about the central axis of the fixed cavity 12, in use, the mutual cooperation between the limiting groove 18 and the limiting block 19 can limit the movable cavity 16 when moving, so that the movable cavity 16 is more stable when moving.

[0024] The alarm 20 is installed below the wheelchair body 1, when the pedal body 4 is retracted, the alarm 20 emits sound to remind medical staff or family members to know that the patient stands up by himself in time, so as to prevent and assist, avoid the occurrence of falling events, thereby greatly improving the practicability of the wheelchair when in use.

[0025] In use, the user sits on the wheelchair, and the caregiver (or the user can operate by himself when the cognition and reaction are normal) presses the button, at this time, the first motor 6 drives the worm 7 to rotate, since the worm 7 and the worm gear 8 are engaged with each other, the worm gear 8 drives the rotating shaft 9 to rotate, and then the connecting sleeve 10 drives the pedal body 4 to rotate, the pedal body 4 is lowered, the user can place his feet on the pedal body 4, at the same time, the second motor 13 drives the threaded rod 14 to rotate, so as to drive the threaded sleeve 15 to move, then under the limiting of the limiting groove 18 and the limiting block 19, the threaded sleeve 15 drives the movable cavity 16 to move, and then drives the supporting plate 17 to move upward, the supporting plate 17 supports the pedal body 4. When the user needs to leave the wheelchair, the feet are removed from above the pedal body 4, the pressure sensor 5 detects that the pressure disappears, at this time, the second motor 13 is started to reverse, driving the supporting plate 17 to move downward; at the same time, the first motor 6 is started to reverse, driving the pedal body 4 to turn upward, and the pedal body 4 is automatically recycled; at the same time, the alarm 20 emits sound and light, so that the surrounding caregivers can timely locate, remind medical staff or family members to know that the patient may stand up in time, so as to prevent or assist, avoid the occurrence of falling events.

[0026] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A wheelchair with foot pedal adjustment function, characterized in that: The utility model provides a kind of wheelchair with pedal recovery function, including the connecting rod (2) installed in the lower end of wheelchair main body (1) front end, the bottom end of the connecting rod (2) is equipped with mounting cavity (3), the inside of the mounting cavity (3) is equipped with pedal main body (4), the inside of the mounting cavity (3) is provided with recovery mechanism, the lower end of the pedal main body (4) is provided with support mechanism, the side of the seat of the wheelchair main body (1) is provided with button, the lower of the wheelchair main body (1) is equipped with siren; The recovery mechanism includes a pressure sensor (5), a first motor (6), a worm (7), a worm gear (8), a shaft (9), and a connecting sleeve (10). The pressure sensor (5) is installed at the middle position inside the pedal main body (4). The first motor (6) is installed on one side inside the mounting cavity (3). The output end of the first motor (6) is equipped with a worm (7). The lower end of the worm (7) is engaged with a worm gear (8). One end of the worm gear (8) is equipped with a shaft (9). The outer side wall of the shaft (9) is provided with a connecting sleeve (10). One end of the connecting sleeve (10) is connected with one end of the pedal main body (4).

2. The wheelchair with foot pedal adjustment function according to claim 1, characterized in that: The support mechanism includes a fixed plate (11), a fixed cavity (12), a support plate (17), and a transmission structure. The fixed plate (11) is installed at the bottom end of the mounting cavity (3). The top end of the fixed plate (11) is equipped with a fixed cavity (12). The inside of the fixed cavity (12) is provided with a transmission structure. The top end of the fixed cavity (12) is equipped with a support plate (17).

3. The wheelchair with foot pedal adjustment function according to claim 2, characterized in that: The transmission structure includes a second motor (13), a threaded rod (14), a threaded sleeve (15), a movable cavity (16), and a limiting structure. The second motor (13) is installed at the bottom end inside the fixed cavity (12). The output end of the second motor (13) is equipped with a threaded rod (14). The outer side wall of the threaded rod (14) is provided with a threaded sleeve (15). The outer side wall of the threaded sleeve (15) is fixedly installed with a movable cavity (16). The top end of the movable cavity (16) is connected with the bottom end of the support plate (17).

4. The wheelchair with foot pedal adjustment function according to claim 3, characterized in that: The limiting structure includes a limiting groove (18) and a limiting block (19). The limiting groove (18) is opened in the inside of the fixed cavity (12). The inside of the limiting groove (18) is provided with a limiting block (19). One end of the limiting block (19) is connected with the outside of the movable cavity (16).

5. The wheelchair with footrest adjustment function according to claim 4, characterized in that: The cross section of the limiting groove (18) is larger than the cross section of the limiting block (19). The limiting groove (18) and the limiting block (19) constitute a sliding structure.

6. The wheelchair with foot pedal adjustment function according to claim 5, characterized in that: There are two limiting grooves (18) in the inside of the fixed cavity (12). The two limiting grooves (18) are symmetrically distributed about the central axis of the fixed cavity (12).

Images