One-motor-duel-drive synchronous drive device

Patent metadata

Field	Value
Publication number	US-12247642-B2
Application number	US-202318226847-A
Country	US
Kind code	B2
Filing date	Jul 27, 2023
Priority date	Feb 7, 2021
Publication date	Mar 11, 2025
Grant date	Mar 11, 2025

Abstract

The present application relates to one-motor-duel-drive synchronous drive device. The drive device includes: a housing, wherein the housing is hollow, a telescopic mechanism is connected to the housing, the telescopic mechanism includes a screw rod, and one end of the screw rod extends into the housing; a transmission mechanism, wherein the transmission mechanism comprises a first transmission component rotatably connected to an inner wall of the housing, a second transmission component is fixedly connected to the screw rod, and the first transmission component and the second transmission component are staggered gears engaged with each other; a linkage lever provided between the housings, wherein two ends of the linkage lever are connected to the first transmission component, respectively; and a drive mechanism configured to act on the linkage lever to rotate the linkage lever.

First claim

What is claimed is:

1. A one-motor-duel-drive synchronous drive device, comprising:
a housing, wherein the housing is hollow, a telescopic mechanism is connected to the housing, the telescopic mechanism comprises a screw rod, and one end of the screw rod extends into the housing;
a transmission mechanism, wherein the transmission mechanism comprises a first transmission component rotatably connected to an inner wall of the housing, a second transmission component is fixedly connected to the screw rod, and the first transmission component and the second transmission component are staggered gears engaged with each other;
a linkage lever provided between the housing, wherein two ends of the linkage lever are connected to the first transmission component, respectively; and
a drive mechanism configured to act on the linkage lever to rotate the linkage lever, wherein the drive mechanism is connected to a first end of the linkage lever and comprises a rotating motor, a first engaging component is fixedly connected to an output shaft of the rotating motor, a second engaging component is rotatably connected in the housing, the first engaging component is engaged with the second engaging component, a third engaging component is rotatably connected in the housing, and the third engaging component is fixedly connected to the second engaging component and engaged with the first transmission component.

2. The one-motor-duel-drive synchronous drive device according to claim 1 , wherein the first transmission component comprises a face tooth and a helical tooth, the helical tooth is rotatably connected in the housing, fixedly connected to the face tooth, and engaged with the third engaging component, and the face tooth is engaged with the second transmission component.

3. The one-motor-duel-drive synchronous drive device according to claim 1 , wherein the first transmission component is defined with a non-circular hole, the linkage lever is inserted and fixed in the non-circular hole, and the linkage lever has a cross section matching with the non-circular hole.

4. The one-motor-duel-drive synchronous drive device according to claim 1 , wherein the linkage lever comprises connecting rods connected to the housing and a second housing, respectively, and a flexible coupling is connected between the connecting rods.

5. The one-motor-duel-drive synchronous drive device according to claim 1 , wherein the linkage lever comprises a rigid rod or a flexible rod connected between the housing.

6. The one-motor-duel-drive synchronous drive device according to claim 1 , wherein a braking component sleeved on the output shaft of the rotating motor is connected to the housing, and the braking component is elastic and configured for applying a braking force opposite to a rotating direction of the output shaft of the rotating motor to the output shaft of the rotating motor.

7. The one-motor-duel-drive synchronous drive device according to claim 1 , wherein the drive mechanism comprises a driving motor, a first driving component is fixedly connected to an output shaft of the driving motor, a second driving component is fixedly connected to the linkage lever, and the first driving component is engaged with the second driving component.

8. The one-motor-duel-drive synchronous drive device according to claim 7 , wherein the first driving component and the second driving component are staggered gears.

9. The one-motor-duel-drive synchronous drive device according to claim 1 , wherein the first engaging component and the second engaging component are staggered gears.

Assignees

• Dewertokin Tech Group Co Ltd

Inventors

• Lv Zuochao
• Li Long
• Chen Chunqi
• Xu Baowei
• Ye Yiting
• Shen Bin

Classifications

• A47B2200/0052

  with two telescopic parts · CPC title

• A47B2200/0056

  with a motor, e.g. an electric motor · CPC title

• F16H37/041

  for conveying rotary motion with constant gear ratio · CPC title

• F16H57/039

  Gearboxes for accommodating worm gears · CPC title

• F16H1/24

  involving gears essentially having intermeshing elements other than involute or cycloidal teeth (F16H1/16 takes precedence) · CPC title