CN215126331U - Lifting support leg driven by screw rod nut - Google Patents
Lifting support leg driven by screw rod nut Download PDFInfo
- Publication number
- CN215126331U CN215126331U CN202121185567.2U CN202121185567U CN215126331U CN 215126331 U CN215126331 U CN 215126331U CN 202121185567 U CN202121185567 U CN 202121185567U CN 215126331 U CN215126331 U CN 215126331U
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- lead screw
- lifting leg
- driven
- driving mechanism
- motor
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Abstract
The utility model discloses a lifting support leg driven by a screw nut, which comprises a supporting block, wherein a cavity is arranged at the center of the supporting block along the vertical direction, a slide block is embedded in the cavity, a driving mechanism A is also arranged in the cavity, the driving mechanism A is connected with the slide block, and a handrail is arranged above the slide block; the bottom two ends of the supporting block are respectively provided with a roller. Will the utility model discloses install on the seat, can adjust the seat height, and this landing leg simple structure.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, a adopt screw-nut driven lift landing leg is related to.
Background
The existing chair legs are fixed, the height of the chair cannot be adjusted according to the height of a person, so that people with different heights can feel uncomfortable when sitting on the chair with the same specification; in addition, the leg structure of the existing chair is heavy and inconvenient to move back and forth.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adopt screw nut driven lift landing leg, with this landing leg installation on the seat, can adjust the seat height, and this landing leg simple structure.
The technical scheme adopted by the utility model is that the lifting support leg driven by the screw nut comprises a support block, a cavity is arranged at the center of the support block along the vertical direction, a slide block is embedded in the cavity, a driving mechanism A is also arranged in the cavity, the driving mechanism A is connected with the slide block, and a handrail is arranged above the slide block; the bottom two ends of the supporting block are respectively provided with a roller.
The utility model discloses a characteristics still lie in:
the driving mechanism A comprises a motor A, a main shaft of the motor A is connected with the lower end of a lead screw A, a nut is coaxially sleeved on the lead screw A, and the outer wall of the nut is fixedly connected in a sliding block.
A driving mechanism B is arranged in the sliding block and connected with the handrail.
The driving mechanism B comprises a motor B, a main shaft of the motor B is connected with the lower end of a lead screw B, a hollow loop bar is coaxially connected onto the lead screw B, the upper end of the lead screw B extends into the hollow loop bar from the lower end of the loop bar, the inner wall of the loop bar is connected with the lead screw B in a screwing mode, and the upper end of the loop bar is connected with the handrail.
The bottom surface of the supporting block is of an inverted V-shaped structure.
The utility model has the advantages that the lifting support leg driven by the screw nut comprises the support block, the bottom of the support block is designed into an inverted V-shaped structure, so that the structure of the chair support leg is simplified, the chair support leg is light in structure after being installed on a chair, and is convenient to move; meanwhile, a sliding block is embedded in the supporting block and matched with a cavity in the supporting block, and the sliding block is driven by a driving mechanism A to move up and down, so that the supporting legs are lifted up and down. The device is arranged on a common seat or a wheelchair, so that the height of the seat can be conveniently adjusted by people with different heights, and the comfort level of the seat is improved.
Drawings
Fig. 1 is a cross-sectional view of a lifting leg driven by a lead screw nut of the present invention;
fig. 2 is an exploded view of the lifting leg driven by the screw nut of the present invention.
In the figure, 5-1, an armrest, 5-2, a motor B, 5-3, a screw rod B, 5-4 and a loop bar are arranged;
9-1 of a supporting block, 9-2 of a cavity, 9-3 of a sliding block, 9-4 of a motor A, 9-5 of a lead screw A, 9-6 of a nut;
14. and a roller.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a lifting support leg driven by a screw nut, which comprises a support block 9-1, wherein a cavity 9-2 is arranged at the center of the support block 9-1 along the vertical direction, a slide block 9-3 is embedded in the cavity 9-2, a driving mechanism A is also arranged in the cavity 9-2, the driving mechanism A is connected with the slide block 9-3, and a handrail 5-1 is arranged above the slide block 9-3; the two ends of the bottom of the supporting block 9-1 are respectively provided with a roller 14.
The driving mechanism A comprises a motor A9-4, a main shaft of the motor A9-4 is connected with the lower end of a lead screw A9-5, a screw nut 9-6 is coaxially sleeved on the lead screw A9-5, and the outer wall of the screw nut 9-6 is fixedly connected in a sliding block 9-3. The bottom of the cavity 9-2 is provided with a motor mounting groove, and a motor A9-4 is embedded in the motor mounting groove;
a driving mechanism B is arranged in the sliding block 9-3 and is connected with the handrail 5-1. The driving mechanism B comprises a motor B5-2, a main shaft of the motor B5-2 is connected with the lower end of a lead screw B5-3, a hollow loop bar 5-4 is coaxially connected to the lead screw B5-3, the upper end of the lead screw B5-3 extends into the hollow loop bar from the lower end of the loop bar 5-4, the inner wall of the loop bar 5-4 is connected with the lead screw B5-3 in a screwing mode, and the upper end of the loop bar 5-4 is connected with the handrail 5-1. The motor B5-2 is fixedly arranged at the bottom of the sliding block 9-3.
The bottom surface of the supporting block 9-1 is of an inverted V-shaped structure, so that the structure of the supporting block 9-1 is simplified.
The utility model relates to an adopt lead screw nut driven lift landing leg's working process is, during operation, motor A9-4 starts, drives lead screw A9-5 and rotates, lead screw A9-5 and screw 9-6 cooperation, because screw 9-6 is connected with slider 9-3, therefore, screw 9-6 drives slider 9-3 along lead screw A9-5 up-and-down motion, realizes going up and down; one of the two rollers 14 is a power wheel, and the other is a guide wheel. In addition, when the height of the handrail needs to be adjusted, the motor B5-2 is started, the motor B5-2 drives the lead screw B5-3 to rotate, the lead screw B5-3 is matched with the loop bar 5-4 (the inner wall of the loop bar 5-4 is provided with a tooth shape matched with the lead screw B5-3), and the lead screw B5-3 rotates to enable the loop bar 5-4 to move up and down along the sliding block 9-3, so that the handrail 5-1 is driven to lift; the slide block 9-3 is provided with a guide hole along the vertical direction, the loop bar 5-4 is arranged in the guide hole, and the guide hole plays a role in guiding the loop bar 5-4.
Will the utility model relates to an adopt screw nut driven lift landing leg to need to use in pairs when using on ordinary seat or wheelchair, two lift landing legs set up the relative both sides at the chair seat respectively.
Claims (5)
1. The utility model provides an adopt screw nut driven lift landing leg which characterized in that: the handrail-driven mechanism comprises a supporting block, wherein a cavity is formed in the center of the supporting block along the vertical direction, a sliding block is embedded in the cavity, a driving mechanism A is also arranged in the cavity, the driving mechanism A is connected with the sliding block, and a handrail is arranged above the sliding block; the bottom two ends of the supporting block are respectively provided with a roller.
2. The lifting leg as claimed in claim 1, wherein the lifting leg is driven by a lead screw nut, and the lifting leg comprises: the driving mechanism A comprises a motor A, a main shaft of the motor A is connected with the lower end of a lead screw A, a nut is coaxially sleeved on the lead screw A, and the outer wall of the nut is fixedly connected in a sliding block.
3. The lifting leg as claimed in claim 1, wherein the lifting leg is driven by a lead screw nut, and the lifting leg comprises: and a driving mechanism B is arranged in the sliding block and connected with the handrail.
4. The lifting leg as claimed in claim 3, wherein the lifting leg is driven by a lead screw nut, and the lifting leg comprises: the driving mechanism B comprises a motor B, a main shaft of the motor B is connected with the lower end of a lead screw B, a hollow sleeve rod is coaxially connected onto the lead screw B, the upper end of the lead screw B extends into the hollow sleeve rod from the lower end of the sleeve rod, the inner wall of the sleeve rod is connected with the lead screw B in a screwing mode, and the upper end of the sleeve rod is connected with a handrail.
5. The lifting leg as claimed in claim 1, wherein the lifting leg is driven by a lead screw nut, and the lifting leg comprises: the bottom surface of the supporting block is of an inverted V-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121185567.2U CN215126331U (en) | 2021-05-31 | 2021-05-31 | Lifting support leg driven by screw rod nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121185567.2U CN215126331U (en) | 2021-05-31 | 2021-05-31 | Lifting support leg driven by screw rod nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215126331U true CN215126331U (en) | 2021-12-14 |
Family
ID=79373570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121185567.2U Active CN215126331U (en) | 2021-05-31 | 2021-05-31 | Lifting support leg driven by screw rod nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215126331U (en) |
-
2021
- 2021-05-31 CN CN202121185567.2U patent/CN215126331U/en active Active
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