US 12,044,051 B2Granted

Variable torsion spring damping rotating shaft

AssigneeOpple Lighting Co., Ltd.

InventorDonghong Zou

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Abstract

The present disclosure discloses a variable torsion spring damping rotating shaft. The shaft includes a movable unit, a fixed unit, a first connection mechanism, a second connection mechanism, and a torsion spring; the fixed unit is detachable in inserting connection with the movable unit; the first connection mechanism is arranged inside the fixed unit, and the first connection mechanism is connected to an end of the fixed unit; the torsion spring is sleeved on the first connection mechanism, an end of the torsion spring is in inserting connection with the fixed unit, and another end of the torsion is in inserting connection with the movable unit; the second connection mechanism is arranged in the movable unit and is in cooperation with the first connection mechanism; and the second connection mechanism is configured to rotate on the first connection mechanism, to drive the movable unit to move towards the fixed unit.

Claims15

Dependent claims

A variable torsion spring damping rotating shaft, comprising a movable unit, a fixed unit, a first connection mechanism, a second connection mechanism, and a torsion spring;

a first through hole arranged in an end of the movable unit in a direction away from the fixed unit;
and
a protrusion arranged on an end of the movable unit in a direction close to the fixed unit, a second through hole arranged in the protrusion, wherein the first through hole is communicated with the second through hole,
wherein the fixed unit is detachable in inserting connection with the movable unit;
the first connection mechanism is arranged inside the fixed unit, and in a direction away from the movable unit, the first connection mechanism is connected to an end of the fixed unit;
the torsion spring is sleeved on the first connection mechanism, an end of the torsion spring is in inserting connection with the fixed unit, and another end of the torsion spring is in inserting connection with the movable unit;
the second connection mechanism is arranged in the movable unit and is in cooperation with the first connection mechanism;
and
the second connection mechanism is configured to rotate on the first connection mechanism, to drive the movable unit to move towards the fixed unit.

6 more elements

A method of manufacturing a variable torsion spring damping rotating shaft, comprising:

providing a movable unit, a fixed unit, a first connection mechanism, a second connection mechanism, and a torsion spring;
arranging a first through hole in an end of the movable unit in a direction away from the fixed unit;
arranging a protrusion on an end of the movable unit in a direction close to the fixed unit, arranging a second through hole in the protrusion, and communicating the first through hole with the second through hole;
providing the fixed unit that is detachable and is in inserting connection with the movable unit;
arranging the first connection mechanism inside the fixed unit, and in a direction away from the movable unit, and connecting the first connection mechanism to an end of the fixed unit;
sleeving the torsion spring on the first connection mechanism, providing an end of the torsion spring that is in inserting connection with the fixed unit, and providing another end of the torsion spring that is in inserting connection with the movable unit;
arranging the second connection mechanism in the movable unit and in cooperation with the first connection mechanism;
and
configuring the second connection mechanism to rotate on the first connection mechanism, to drive the movable unit to move towards the fixed unit.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/402,124Filed 13 Aug 2021 · continuation
Priority: CN 201920198586.514 Feb 2019
Published: US 2021/0372462 A12 Dec 2021
Granted: 23 Jul 2024
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

E05D 11/1078
For maintaining the hinge in two or more positions, e.g. intermediate or fully open: the maintaining means acting parallel to the pivot
F16C 3/023
Shafts; Axles: made of several parts, e.g. by welding
F16C 2361/53
Apparatus or articles in engineering in general: spring-damper, e.g. gas springs
F16F 1/123
Attachments or mountings: characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert