CN219071019U - Electric movable leg assembly of electric wheelchair - Google Patents
Electric movable leg assembly of electric wheelchair Download PDFInfo
- Publication number
- CN219071019U CN219071019U CN202223089854.0U CN202223089854U CN219071019U CN 219071019 U CN219071019 U CN 219071019U CN 202223089854 U CN202223089854 U CN 202223089854U CN 219071019 U CN219071019 U CN 219071019U
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- leg assembly
- movable leg
- electric
- fixed
- electrically powered
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Abstract
The utility model discloses an electric movable leg assembly of an electric wheelchair, which comprises a pedal mechanism, an angle adjusting mechanism and a fixing mechanism, wherein the pedal mechanism is arranged at the front end of the angle adjusting mechanism, the fixing mechanism is arranged at the rear end of the angle adjusting mechanism, the angle adjusting mechanism comprises a motor speed reducer, a fixing support and a rotary adjusting disc mechanism, the pedal mechanism is fixedly arranged at the front end of the fixing support, the motor speed reducer is arranged in the fixing support, a transmission shaft of the motor speed reducer extends out of the side surface of the fixing support, a rotary shaft is arranged at the side surface of the rear end of the fixing support, the rotary adjusting disc mechanism is sleeved on the rotary shaft, the rotary adjusting disc mechanism is in transmission connection with the transmission shaft, the movable leg assembly realizes electric adjustment of movable legs by arranging the motor speed reducer, the movable leg assembly is more convenient to adjust, the intelligent degree of the electric wheelchair is improved, and the motor speed reducer can be stopped and fixed at any position in an adjusting range through gear transmission, so that the electric wheelchair is easier to adjust to a comfortable position.
Description
Technical Field
The utility model relates to the field of wheelchair components, in particular to an electric movable leg assembly of an electric wheelchair.
Background
The electric wheelchair is improved by adding components such as a high-performance driving device, a control system and a battery on the basis of the traditional manual wheelchair, the traditional electric wheelchair can realize the functions of advancing, retreating and the like of the wheelchair through the control system, the electric wheelchair is an indispensable tool for the disabled, then the traditional electric wheelchair is also required to use a manual adjustment angle, the angle is not easy to adjust to a proper comfortable angle, and the angle which can be adjusted by the leg assembly in the traditional manual adjustment mode is relatively fixed and cannot be adjusted to any angle.
Disclosure of Invention
The utility model aims to: the utility model aims to provide an electric movable leg assembly of an electric wheelchair, which realizes electric control of the angle of a movable leg through a control system and can adjust any angle in an adjusting range.
The technical scheme is as follows: the utility model provides an electronic movable leg subassembly of electronic wheelchair, includes pedal mechanism, angle adjustment mechanism, fixed establishment, angle adjustment mechanism front end sets up pedal mechanism, the rear end sets up fixed establishment, angle adjustment mechanism includes motor speed reducer, fixed bolster, rotation control dish mechanism, pedal mechanism is fixed to be located the fixed bolster front end, be equipped with in the fixed bolster motor speed reducer, motor speed reducer's transmission shaft is in the fixed bolster side stretches out, the fixed bolster rear end side is equipped with the rotation axis, rotation control dish mechanism cover is located on the rotation axis, rotation control dish mechanism with the transmission of transmission shaft is connected.
Further, the fixed bolster rear end is equipped with spacing groove and limit switch, the spacing groove is around the arc shape that the rotation axis was laid, limit switch locates the spacing groove both ends, limit switch with wire connection between the motor speed reducer, the rotation control dish mechanism inboard is equipped with the spacer pin, the spacer pin is located in the spacing groove, restrict the spacer pin motion through the spacing groove and make it can not excessively adjust the injury human body, increased the security.
Further, the radian alpha of the limiting groove is 90 degrees, so that the movable leg has maximum adaptability and comfort.
Further, the rotary adjusting disc mechanisms are respectively arranged on two sides of the fixed support, and the symmetrically arranged rotary adjusting disc mechanisms improve the stability of the movable leg assembly and the service life of the rotary adjusting disc mechanisms.
Further, the angle adjustment mechanism top is equipped with the upper decoration lid, angle adjustment mechanism's the place ahead sets up down and decorates the lid, and upper decoration lid and lower decoration lid set up promotion angle adjustment mechanism life and increased the security.
The beneficial effects are that: the utility model has the advantages that: this movable leg subassembly realizes the electric control to the movable leg through setting up motor reducer, makes movable leg subassembly adjust more convenient, promotes electric wheelchair's intelligent degree, and motor reducer passes through gear drive, and the internal gear can stop and fix in any position at the accommodation range, makes it adjust comfortable position more easily, and stops rotating after rotating appointed angle to movable leg subassembly through setting up limit switch, promotes movable leg subassembly life and security.
Drawings
FIG. 1 is an exploded schematic view of a movable leg assembly;
fig. 2 is an exploded view of the angle adjustment mechanism.
Detailed Description
The utility model is further elucidated below in connection with the drawings and the specific embodiments.
As shown in figures 1-2, the pedal assembly 1, the angle adjusting mechanism 2 and the fixing mechanism 3 are arranged at the front end of the angle adjusting mechanism 2, the pedal mechanism 1 is a place for placing feet and legs, the fixing mechanism 3 is arranged at the rear end of the angle adjusting mechanism 2, the fixing mechanism 3 is fixedly connected with an external electric wheelchair, and the work of the electric movable leg assembly is controlled by controlling the angle adjusting mechanism 2.
The angle adjusting mechanism 2 comprises a motor speed reducer 21, a fixed support 22 and a rotary adjusting disk mechanism 23, wherein the pedal assembly 1 is arranged at the front end of the fixed support 22, the pedal assembly 1 is fixedly arranged on the fixed support 22 through a nut, the motor speed reducer 21 is arranged in the fixed support 22, the motor speed reducer 21 is a power device of the angle adjusting mechanism 2, the motor speed reducer 21 has a self-locking function and is locked and fixed at any angle, the positive and negative rotation of the motor speed reducer 21 controls the angle between the angle adjusting mechanism 2 and the electric wheelchair, the motor speed reducer 21 has the function of locking and fixing at any angle, therefore, the motor speed reducer 21 can be used for fixedly locking a movable leg assembly at any position, a transmission shaft 25 of the motor speed reducer 21 extends out from the side surface of the fixed support 22, a rotary shaft 24 is arranged at the side surface of the rear end of the fixed support 22, the rotary adjusting disk mechanism 23 is sleeved on the rotary shaft 24, the rotary adjusting disk mechanism 23 rotates on the rotary shaft 24, and the rotary adjusting disk mechanism 23 is in transmission connection with the transmission shaft 25, namely the transmission shaft 25 drives the rotary adjusting disk mechanism 23 to rotate.
Preferably, the rotary adjusting disc mechanism 23 is provided with one at both sides of the fixed support 22 respectively, that is, the symmetrically arranged transmission shafts 25 are used for improving transmission stability and service life, the rear end of the fixed support 22 is provided with a limit groove 26, the limit groove 26 is an arc-shaped limit groove 26 rotating by taking the rotary shaft 24 as the center, the rear end of the fixed support 22 is provided with a limit switch 27, the limit switch 27 is a unidirectional passage switch, that is, current can only flow unidirectionally on the limit switch 27, the limit switch 27 is respectively positioned at both ends of the limit groove 26, the limit switch 27 is connected with the motor reducer 21 through wires, the limit switch 27 is arranged on a circuit of the motor reducer 21, the inner side of the rotary adjusting disc mechanism 23 is provided with a limit pin 231, the limit pin 231 is arranged in the limit groove 26, when the limit pin 231 moves to one end of the limit groove 26, the limit switch 27 is touched, at this moment, the motor reducer 21 stops rotating and is self-locked at a designated position, and further radian alpha of the limit groove 26 is 90 DEG, that is 90 DEG, namely, the limit groove 26 controls the movable leg assembly to rotate from a vertical downward position to a flush position with the electric wheelchair seat cushion.
In order to prevent rainwater, ash layers and the like from entering the angle adjusting mechanism 2 and reduce the service life of the angle adjusting mechanism 2 and the safety problem caused by the exposure of components in the angle adjusting mechanism 2, an upper decorative cover 28 is arranged above the angle adjusting mechanism 2, a lower decorative cover 29 is arranged in front of the angle adjusting mechanism 2, the angle adjusting mechanism 2 is wrapped by the upper decorative cover 28 and the lower decorative cover 29, the service life and the safety of the angle adjusting mechanism 2 are prolonged, and the attractiveness is improved due to the arrangement of the upper decorative cover 28 and the lower decorative cover 29.
The working principle of the angle adjusting mechanism is as follows: this movable leg subassembly realizes the electric control to movable leg subassembly through setting up motor reducer 21, makes movable leg subassembly adjust more conveniently, promotes electric wheelchair's intelligent degree, and motor reducer 21 passes through gear drive, can stop and fix in any position at the accommodation range internal gear, makes it adjust comfortable position more easily, and stops rotating after rotating appointed angle to movable leg subassembly through setting up limit switch 27, promotes movable leg subassembly life and security.
Claims (5)
1. The utility model provides an electronic movable leg subassembly of electronic wheelchair, its characterized in that, including pedal mechanism (1), angle adjustment mechanism (2), fixed establishment (3), angle adjustment mechanism (2) front end sets up pedal mechanism (1), the rear end sets up fixed establishment (3), angle adjustment mechanism (2) include motor reducer (21), fixed bolster (22), rotatory regulation dish mechanism (23), pedal mechanism (1) are fixed to be located fixed bolster (22) front end, be equipped with in fixed bolster (22) motor reducer (21), transmission shaft (25) of motor reducer (21) are in fixed bolster (22) side stretches out, fixed bolster (22) rear end side is equipped with rotation axis (24), rotatory regulation dish mechanism (23) cover is located on rotation axis (24), rotatory regulation dish mechanism (23) with transmission shaft (25) transmission is connected.
2. The electric movable leg assembly of the electric wheelchair according to claim 1, wherein a limit groove (26) and a limit switch (27) are arranged at the rear end of the fixed support (22), the limit groove (26) is in an arc shape distributed around the rotating shaft (24), the limit switch (27) is arranged at two ends of the limit groove (26), the limit switch (27) is connected with the motor reducer (21) through a wire, a limit pin (231) is arranged on the inner side of the rotary adjusting disc mechanism (23), and the limit pin (231) is arranged in the limit groove (26).
3. An electrically powered mobile leg assembly of an electrically powered wheelchair according to claim 2, wherein the limiting groove (26) has an arc α of 90 °.
4. An electrically powered mobile leg assembly of an electrically powered wheelchair according to claim 1, wherein the rotary adjustment disc mechanism (23) is provided on each side of the fixed support (22).
5. An electrically powered mobile leg assembly of an electrically powered wheelchair according to claim 1, wherein an upper decorative cover (28) is provided above the angle adjustment mechanism (2), and a lower decorative cover (29) is provided in front of the angle adjustment mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223089854.0U CN219071019U (en) | 2022-11-21 | 2022-11-21 | Electric movable leg assembly of electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223089854.0U CN219071019U (en) | 2022-11-21 | 2022-11-21 | Electric movable leg assembly of electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219071019U true CN219071019U (en) | 2023-05-26 |
Family
ID=86394039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223089854.0U Active CN219071019U (en) | 2022-11-21 | 2022-11-21 | Electric movable leg assembly of electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219071019U (en) |
-
2022
- 2022-11-21 CN CN202223089854.0U patent/CN219071019U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |