CN-122014744-A - Connecting device and electronic equipment

Abstract

The application discloses a connecting device and electronic equipment, wherein the connecting device comprises a base, a first shaft and a torsion component, the first shaft is rotationally connected with the base, the torsion component is abutted against the circumferential outline of the first shaft, the torsion component applies first acting force to the first shaft, so that the connecting device has first torsion in the process that the first shaft rotates along a first direction relative to the base, and has second torsion in the process that the first shaft rotates along a second direction relative to the base, the second direction is opposite to the first direction, and the second torsion is larger than the first torsion.

Inventors

• YANG FENG
• YOU DETAO

Assignees

• 联想(北京)有限公司

Dates

Publication Date

20260512

Application Date

20260303

Claims (10)

1. 1. A connection device, comprising: A base; the first shaft is rotationally connected with the base; a torsion assembly abutting a circumferential profile of the first shaft; The torsion component applies a first acting force to the first shaft, so that the connecting device has a first torsion in the process of rotating the first shaft relative to the base along a first direction, and has a second torsion in the process of rotating the first shaft relative to the base along a second direction, the second direction is opposite to the first direction, and the second torsion is larger than the first torsion.
2. 2. The connection device of claim 1, wherein the abutment section of the circumferential profile of the first shaft is adapted to abut the torsion assembly, the abutment section having a first portion and a second portion of different curvature, the first force being a first force value if the torsion assembly abuts the first portion of the abutment section and a second force value if the torsion assembly abuts the second portion of the abutment section, the second force value being different from the first force value, or The abutting section of the circumferential profile of the first shaft is used for abutting against the torsion assembly, the positions of the abutting section meet the same curvature condition, and the distance between the acting line of the first acting force and the rotation axis of the first shaft is larger than zero.
3. 3. The connection device of claim 2, the second force value being less than the first force value, the first shaft rotating in the first direction relative to the base during a transition from the torque assembly abutting a first portion of the abutment segment to the torque assembly abutting a second portion of the abutment segment.
4. 4. The connection device of claim 1, comprising a first damping assembly coupled to the first shaft, the first damping assembly for providing a resistive torque during rotation of the first shaft relative to the base; The torque component generates torque to the first shaft based on the first acting force and the resistance torque provided by the first damping component meet the condition of opposite directions under the condition that the connecting device has the first torsion force; in the case that the connecting device has the second torsion force, the torsion force assembly generates the torque to the first shaft based on the first acting force and the resistance torque provided by the first damping assembly satisfy the same condition in the direction.
5. 5. The connection device of claim 1, an abutment section of a circumferential profile of the first shaft for abutment with the torsion assembly, the abutment section comprising first and second arcuate sections distributed along a circumference of the first shaft; the connecting device has the first torsion force in the process of rotating the first shaft relative to the base along the first direction and has the second torsion force in the process of rotating the first shaft relative to the base along the second direction under the condition that the torsion component is abutted against the first arc section; Under the condition that the torsion component is abutted against the second arc section, the connecting device is provided with a third torsion in the process of rotating the first shaft relative to the base along the first direction, is provided with a fourth torsion in the process of rotating the first shaft relative to the base along the second direction, the third torsion is different from the first torsion, and the fourth torsion is different from the second torsion.
6. 6. The connection device of claim 5, the torsion assembly comprising: the abutting piece is connected with the base in a sliding manner; and the first reset piece is connected with the abutting piece and the base, and the reset force of the first reset piece enables the abutting piece to abut against the circumferential profile of the first shaft.
7. 7. The connection device of claim 6, wherein with the abutment member abutting the first arc segment, an amount of compressive deformation of the first return member decreases during rotation of the first shaft relative to the base in the first direction; and under the condition that the abutting piece abuts against the second arc section, the compression deformation amount of the first reset piece is increased in the process that the first shaft rotates along the first direction relative to the base.
8. 8. The connecting device according to claim 7, wherein a projection of the abutment member in a compression direction in which the first restoring member is compressively deformed has an overlapping portion with the rotational axis of the first shaft.
9. 9. The connecting device according to claim 8, wherein the first restoring member is sleeved on the abutting member, and a center line of the first restoring member extending in the compression direction intersects with the rotation axis of the first shaft.
10. 10. An electronic device comprising a first body, a second body and a connecting device, wherein the first body and the second body are rotationally connected through the connecting device, and the connecting device comprises: A base; a first shaft rotatably connected with the base, the first shaft connecting any one of the first body and the second body; a torsion assembly abutting a circumferential profile of the first shaft; The torsion component applies a first acting force to the first shaft, so that the connecting device has a first torsion in the process of rotating the first shaft relative to the base along a first direction, and has a second torsion in the process of rotating the first shaft relative to the base along a second direction, the second direction is opposite to the first direction, and the second torsion is larger than the first torsion.

Description

Connecting device and electronic equipment Technical Field The present application relates to the field of electronic devices, and in particular, to a connection device and an electronic device. Background The electronic device (such as a notebook computer, a mobile phone and the like) connects the two rotating parts (such as a screen end and a host end of the notebook computer) through a connecting device, and the connecting device has torsion. Disclosure of Invention The application provides the following technical scheme: A connection device, comprising: A base; the first shaft is rotationally connected with the base; a torsion assembly abutting a circumferential profile of the first shaft; The torsion component applies a first acting force to the first shaft, so that the connecting device has a first torsion in the process of rotating the first shaft relative to the base along a first direction, and has a second torsion in the process of rotating the first shaft relative to the base along a second direction, the second direction is opposite to the first direction, and the second torsion is larger than the first torsion. Optionally, in the above connection device, an abutment section of the circumferential profile of the first shaft is for abutment with the torsion assembly, the abutment section having a first portion and a second portion of different curvature, the first force being a first force value if the torsion assembly abuts the first portion of the abutment section and a second force value if the torsion assembly abuts the second portion of the abutment section, the second force value being different from the first force value, or The abutting section of the circumferential profile of the first shaft is used for abutting against the torsion assembly, the positions of the abutting section meet the same curvature condition, and the distance between the acting line of the first acting force and the rotation axis of the first shaft is larger than zero. Optionally, in the above connection device, the second force value is smaller than the first force value, and the first shaft rotates in the first direction relative to the base during switching from the first portion of the abutting section abutting the torsion assembly to the second portion of the abutting section abutting the torsion assembly. Optionally, the connecting device comprises a first damping assembly connected with the first shaft, wherein the first damping assembly is used for providing resistance torque during the rotation of the first shaft relative to the base; The torque component generates torque to the first shaft based on the first acting force and the resistance torque provided by the first damping component meet the condition of opposite directions under the condition that the connecting device has the first torsion force; in the case that the connecting device has the second torsion force, the torsion force assembly generates the torque to the first shaft based on the first acting force and the resistance torque provided by the first damping assembly satisfy the same condition in the direction. Optionally, in the above connection device, an abutment section of a circumferential profile of the first shaft is used for abutting with the torsion assembly, the abutment section including a first arc section and a second arc section distributed along a circumferential direction of the first shaft; the connecting device has the first torsion force in the process of rotating the first shaft relative to the base along the first direction and has the second torsion force in the process of rotating the first shaft relative to the base along the second direction under the condition that the torsion component is abutted against the first arc section; Under the condition that the torsion component is abutted against the second arc section, the connecting device is provided with a third torsion in the process of rotating the first shaft relative to the base along the first direction, is provided with a fourth torsion in the process of rotating the first shaft relative to the base along the second direction, the third torsion is different from the first torsion, and the fourth torsion is different from the second torsion. Optionally, in the above connection device, the torsion assembly includes: the abutting piece is connected with the base in a sliding manner; and the first reset piece is connected with the abutting piece and the base, and the reset force of the first reset piece enables the abutting piece to abut against the circumferential profile of the first shaft. Optionally, in the above connecting device, in a case where the abutting piece abuts against the first arc section, an amount of compression deformation of the first reset piece is reduced in a process of rotating the first shaft relative to the base in the first direction; and under the condition that the abutting piece abuts against the second arc section, the compression def