Door opening device and storage equipment

Patent metadata

Field	Value
Publication number	US-12173545-B2
Application number	US-202118000664-A
Country	US
Kind code	B2
Filing date	Dec 29, 2021
Priority date	Jun 18, 2021
Publication date	Dec 24, 2024
Grant date	Dec 24, 2024

Abstract

The present application relates to the field of storage equipment and provides a door opening device and storage equipment. The door opening device includes a plurality of electromagnetic push rod structures, where each of the plurality of electromagnetic push rod structures includes a push rod; and a controller electrically connected to the plurality of electromagnetic push rod structures and is configured to drive a plurality of push rods of the plurality of electromagnetic push rod structures to act synchronously. The door opening device according to the present application can reduce the thickness of the door opening device to a large extent under the condition of ensuring the pushing force through synchronous action of the plurality of electromagnetic push rod structures arranged in parallel, which is helpful to improve the application range of the door opening device.

First claim

What is claimed is:

1. A door opening device, comprising:
a plurality of electromagnetic push rod structures, wherein each of the plurality of electromagnetic push rod structures comprises a push rod;
an output joint, wherein each of the push rods is connected to the output joint, wherein at least one of the push rods is connected to the output joint in a position-adjustable manner along a moving direction of the at least one push rod; and
a controller, electrically connected to the plurality of electromagnetic push rod structures and configured to drive push rods of the plurality of electromagnetic push rod structures to act synchronously.

2. The door opening device of claim 1 , wherein at least one of the push rods includes a threaded portion which passes through the output joint, and the threaded portion is connected to the output joint in a position-adjustable manner through nuts on both sides of the output joint.

3. The door opening device of claim 1 , wherein at least one of the push rods comprises an adjusting portion which passes through the output joint, the adjusting portion comprises a positioning surface extending along a moving direction of the push rod, the output joint is provided with a positioning hole in communication with the positioning surface, the adjusting portion is connected to the output joint in an adjustable manner through a positioning member, and the positioning member passes through the positioning hole and abuts against the positioning surface.

4. The door opening device of claim 1 , wherein the output joint comprises:
a connecting rod, connected to the plurality of push rods; and
an output rod, connected to the connecting rod, wherein at least a portion of the output rod protrudes towards a direction away from the push rods relative to the connecting rod.

5. The door opening device of claim 4 , wherein the output joint further comprises:
a buffer head, provided at a working end of the output rod.

6. The door opening device of claim 4 , wherein the connecting rod is provided with a connecting hole, a tail end of each push rod is provided with a stepped connecting shaft, and the stepped connecting shaft penetrates through the connecting hole and is connected to the connecting rod.

7. The door opening device of claim 1 , further comprising:
a base, provided with a mounting position for mounting the door opening device, wherein the plurality of electromagnetic push rod structures are mounted on the base.

8. The door opening device of claim 7 , further comprising:
a connecting rib, connected to the plurality of electromagnetic push rod structures and the base.

9. A storage equipment, comprising:
a door opening device including:
a plurality of electromagnetic push rod structures, wherein each of the plurality of electromagnetic push rod structures comprises a push rod;
an output joint, each of the push rods being connected to the output joint, wherein at least one of the push rods includes a threaded portion which passes through the output joint, and the threaded portion is connected to the output joint in a position-adjustable manner through nuts on both sides of the output joint; and
a controller, electrically connected to the plurality of electromagnetic push rod structures and configured to drive push rods of the plurality of electromagnetic push rod structures to act synchronously.

10. The storage equipment of claim 9 , wherein at least one of the push rods is connected to the output joint in a position-adjustable manner along a moving direction of the push rod.

11. The storage equipment of claim 9 , wherein at least one of the push rods comprises an adjusting portion which passes through the output joint, the adjusting portion comprises a positioning surface extending along a moving direction of the push rod, the output joint is provided with a positioning hole in communication with the positioning surface, the adjusting portion is connected to the output joint in an adjustable manner through a positioning member, and the positioning member passes through the positioning hole and abuts against the positioning surface.

12. The storage equipment of claim 9 , wherein the output joint comprises:
a connecting rod, connected to the plurality of push rods; and
an output rod, connected to the connecting rod, wherein at least a portion of the output rod protrudes towards a direction away from the push rods relative to the connecting rod.

13. The storage equipment of claim 12 , wherein the connecting rod is provided with a connecting hole, a tail end of each push rod is provided with a stepped connecting shaft, and the stepped connecting shaft penetrates through the connecting hole and is connected to the connecting rod.

14. The storage equipment of claim 13 , wherein the door opening device further comprises a base, the base including a mounting position for mounting the door opening device, wherein the plurality of electromagnetic push rod structures are mounted on the base.

15. A door opening device, comprising:
a plurality of electromagnetic push rod structures, wherein each of the plurality of electromagnetic push rod structures comprises a push rod;
an output joint, wherein each of the push rods is connected to the output joint; and
a controller, electrically connected to the plurality of electromagnetic push rod structures and configured to drive push rods of the plurality of electromagnetic push rod structures to act synchronously,
wherein at least one of the push rods comprises an adjusting portion which passes through the output joint, the adjusting portion comprises a positioning surface extending along a moving direction of the push rod, the output joint is provided with a positioning hole in communication with the positioning surface, the adjusting portion is connected to the output joint in an adjustable manner through a positioning member, and the positioning member passes through the positioning hole and abuts against the positioning surface.

16. A storage equipment, comprising:
a door opening device including:
a plurality of electromagnetic push rod structures, wherein each of the plurality of electromagnetic push rod structures comprises a push rod;
an output joint, each of the push rods being connected to the output joint, and
a controller, electrically connected to the plurality of electromagnetic push rod structures and configured to drive push rods of the plurality of electromagnetic push rod structures to act synchronously,

wherein the output joint comprises:
a connecting rod, connected to the plurality of push rods; and
an output rod, connected to the connecting rod, wherein at least a portion of the output rod protrudes towards a direction away from the push rods relative to the connecting rod; and
wherein the connecting rod is provided with a connecting hole, a tail end of each push rod is provided with a stepped connecting shaft, and the stepped connecting shaft penetrates through the connecting hole and is connected to the connecting rod.

Assignees

• Hefei Midea Refrigerator Co
• Hefei Hualing Co Ltd
• Midea Group Co Ltd

Inventors

• Zheng Tao
• Li Yang
• Ma Yingjie

Classifications

• E05Y2900/20

  for furniture, e.g. cabinets · CPC title

• E05Y2600/624

  Nuts · CPC title

• E05Y2600/61

  Threaded members · CPC title

• E05Y2201/462

  Electromagnets · CPC title

• E05Y2800/242

  arranged in parallel relationship · CPC title