CN109947185B

CN109947185B - Variable-axis rotating shaft

Info

Publication number: CN109947185B
Application number: CN201910261292.7A
Authority: CN
Inventors: 宋威; 阳克兵
Original assignee: Samsung Electronics Suzhou Computer Co Ltd; Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Suzhou Computer Co Ltd; Samsung Electronics Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2023-03-24
Anticipated expiration: 2039-04-02
Also published as: CN109947185A

Abstract

The invention discloses a variable-axis rotating shaft which comprises a first connecting support, a second connecting support and a torsion unit, wherein the first connecting support is provided with a first rotating shaft end, the second connecting support is provided with a second rotating shaft end, the torsion unit is arranged at the first rotating shaft end, the torsion unit is provided with a torsion driving block, the second rotating shaft end is provided with a sliding block groove, the torsion driving block is movably arranged in the sliding block groove, and when the torsion driving block slides in the sliding block groove, the axis of the first rotating shaft end is superposed with or separated from the axis of the second rotating shaft end. Due to the adoption of the technical scheme, the gap between the rotating shaft and the air outlet of the body can be increased when the display screen is opened, and the appearance design is not influenced in a closed state.

Description

Variable-axis rotating shaft

Technical Field

The invention relates to the technical field of computers.

Background

For notebook computers, among the contradictions between performance and portability, heat dissipation performance becomes the most critical factor, and notebook heat dissipation has always been the bottleneck of the summary of notebook core technologies. FIG. 1 is a current unipolar rotation pivot, FIG. 2 is the schematic diagram that this pivot is in the user state, air outlet clearance between display screen and the body can not be too big after its appearance design is accomplished, this is the perfect in order to guarantee appearance design, at the rotation in-process, the axle center of display screen and the axle center of body remain throughout unanimous with the design clearance, but because the design reason, also can not satisfy the heat dissipation demand when the clearance of display screen and body is the biggest, can produce the high temperature, user experience subalternation problem.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a variable-axis rotating shaft which can realize the axis deviation according to the requirement.

In order to achieve the above object, the present invention provides a variable axis rotating shaft, which comprises a first connecting bracket, a second connecting bracket and a torque unit, wherein the first connecting bracket has a first rotating shaft end, the second connecting bracket has a second rotating shaft end, the torque unit is mounted at the first rotating shaft end, the torque unit has a torque driving block, the second rotating shaft end is provided with a slider groove, the torque driving block is movably mounted in the slider groove, and when the torque driving block slides in the slider groove, the axes of the first rotating shaft end and the second rotating shaft end coincide or separate.

According to a further improvement of the present invention, the first rotating shaft end is provided with a guiding element, the second rotating shaft end is provided with a limiting element, when the torque driving block rotates, the limiting element is matched with the guiding element, and the axes of the first rotating shaft end and the second rotating shaft end are separated from each other.

According to a further improvement of the present invention, the guiding element includes a guiding ring and a guiding track disposed in a circumferential direction of the guiding ring, when the torque driving block rotates, the limiting element slides on a surface of the guiding track, and axes of the first and second rotating shaft ends are separated from each other.

According to a further development of the invention, a plurality of guide rails and limit pieces are provided in pairs.

According to a further development of the invention, the guide track comprises a plurality of guide surfaces of different radii connected in series.

According to a further development of the invention, the guide surfaces have between them circular arc surfaces for reducing friction.

According to a further development of the invention, the torsion drive block is provided with a recess for connection with the reset element.

According to a further development of the invention, the slider grooves are provided with at least one of grease, graphite or balls for reducing friction.

According to a further improvement of the invention, a reset piece is arranged in the slider groove, the reset piece is installed in the slider groove and supported below the torsion driving block, when the guide piece is separated from the limiting piece, the reset piece drives the torsion driving block to reset, and the axle centers of the first rotating shaft end and the second rotating shaft end are reset and overlapped.

According to a further improvement of the present invention, the reset member includes one of a spring, a magnet and an elastic rubber.

Due to the adoption of the technical scheme, the gap between the rotating shaft and the air outlet of the body can be increased when the display screen is opened, and the appearance design is not influenced in a closed state.

Drawings

FIG. 1 is a single axis rotating shaft of the prior art;

FIG. 2 is a schematic view of a rotating shaft in a use state in the prior art;

FIG. 3 is a perspective view of the variable axis rotating shaft of the present invention;

FIG. 4 is a first vertical exploded view of the variable axis rotating shaft of the present invention;

FIG. 5 is a second exploded perspective view of the variable axis rotating shaft of the present invention;

FIG. 6 is a guide according to the present invention;

fig. 7 to 10 are schematic views illustrating the operation of the variable axis rotating shaft according to the present invention;

fig. 11 to 17 are schematic views of different embodiments of the variable axis rotating shaft of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.

Referring to fig. 3 to 5, fig. 3 is a perspective view of a variable axis rotating shaft of the present invention, fig. 4 is a first vertical split view of the variable axis rotating shaft of the present invention, fig. 5 is a second vertical split view of the variable axis rotating shaft of the present invention, the variable axis rotating shaft in the present embodiment includes a first connecting bracket 1, a second connecting bracket 2, and a torque unit 3, the first connecting bracket 1 has a first rotating shaft end 4, the second connecting bracket 2 has a second rotating shaft end 5, the torque unit 3 is mounted at the first rotating shaft end 4, the torque unit 3 has a torque driving block 6, the second rotating shaft end 5 has a slider groove 7, a reset member 12 is disposed in the slider groove 7, the torque driving block 6 is movably mounted in the slider groove 7, the reset member 12 is mounted in the slider groove 7 and supported below the torque driving block 6, and when the torque driving block 6 slides in the slider groove 7, the first rotating shaft end 4 and the second rotating shaft end 5 are overlapped or separated.

The first rotating shaft end 4 is provided with a guide part 8, the second rotating shaft end 5 is provided with a limiting part 9, when the torque driving block 6 rotates, the limiting part 9 is matched with the guide part 8, and the axes of the first rotating shaft end 4 and the second rotating shaft end 5 are mutually separated. When the guiding element 8 is separated from the limiting element 9, the resetting element 12 drives the torque force driving block 6 to reset, and the axle centers of the first rotating shaft end 4 and the second rotating shaft end 5 are reset to coincide.

Fig. 6 shows a guide member according to the present invention, wherein the guide member 8 comprises a guide ring 10 and a guide rail 11 disposed in a circumferential direction of the guide ring 10, the torque driving block 6 is rotatably disposed through a center hole of the guide ring 10, when the torque driving block 6 rotates, the limiting member 9 slides on a surface of the guide rail 11, and axes of the first and second rotating

shaft ends

4 and 5 are separated from each other.

Fig. 7 to 10 are schematic diagrams illustrating the operation of the variable axis rotating shaft in the notebook computer according to the present invention, fig. 7 is a sectional view of the rotating process near the first rotating shaft end, and fig. 8 is a sectional view of the rotating process near the second rotating shaft end. When the computer display screen is closed by 0 degree, the limiting piece 9 is positioned below the guide piece 8, and meanwhile, the torsion driving block 6 is positioned at the top of the sliding block groove 7 under the elastic support of the resetting piece 12, and the axis position of the display screen is kept consistent with the axis position of the body; when the computer display screen is opened, the limiting piece 9 slides above the guide piece 8, and under the action of the guide piece 8, the torsion driving block 6 overcomes the reset piece 12 and moves to the bottom end of the sliding block groove 7, so that the display screen moves outwards for a certain distance; when the computer display screen is at the maximum angle, the limiting part 9 is positioned below the guide part 8 again, and meanwhile, the torque force driving block 6 is positioned at the top of the sliding block groove 7 under the elastic support of the reset part 12, the axis position of the display screen is kept consistent with the axis position of the body again, the gap between the display screen and the desktop is increased, and the bottom end of the display screen is prevented from protruding from the bottom of the body.

Fig. 9 and 10 are schematic views of the rotating shaft of the present invention in a use state, when the rotating shaft is opened, the axis offset between the display screen and the main body is b, the gap between the display and the main body is a, and at this time, the overall gap c = a + b. Because the rotating shaft can increase the gap between the rotating shaft and the air outlet of the body when the display screen is opened, the appearance design is not influenced in a closed state.

Fig. 11 is a schematic view of a multi-stage slide rail, which includes two guide rails 11 with different diameters, wherein the guide rail 11 with a small diameter is located at the inner side, the guide rail 11 with a large diameter is located at the outer side, the two guide rails 11 are distributed at different angles, the position limiting member 9 may have two branches respectively lapping on the guide rails 11 with different diameters, and when at different angles, the deviation distances of the corresponding rails are different.

Fig. 12 illustrates an irregular axis movement diagram, in which the guide rail 11 includes a plurality of guide surfaces 13 with different radii connected in sequence, and the deviation distances of the corresponding rails are different when the guide surfaces are at different angles.

Fig. 13 depicts a schematic diagram of progressive axial movement with arcuate surfaces 14 between the guide surfaces 13 to reduce friction and thereby provide a more continuous feel during rotation.

Fig. 14 and 15 illustrate schematically the shape of the torsion drive block, the torsion drive block 6 being provided with a recess 15 for connection with the reset member 12, the recess 15 being shaped as a dovetail or a hemisphere.

Fig. 16 illustrates a spring return structure, a screw 16 is arranged at the bottom of the slider slot 7, a spring 17 is fixedly connected to the screw 16, the spring 17 is connected to the bottom of the torsion driving block 6, and the spring 17 can be replaced by elastic rubber.

Fig. 17 illustrates a magnet returning structure, in which a first magnet 18 is disposed at the bottom of the slider groove 7, a second magnet 19 is disposed at the bottom of the torque driving block 6, the first magnet 18 and the second magnet 19 are mutually exclusive, and grease, graphite or balls for reducing friction are disposed in the block groove 7.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and equivalent changes and modifications made according to the spirit of the present invention are included in the scope of the present invention.

Claims

1. A shaft center variable rotating shaft is characterized in that: the torsion mechanism comprises a first connecting support, a second connecting support and a torsion unit, wherein the first connecting support is provided with a first rotating shaft end, the second connecting support is provided with a second rotating shaft end, the torsion unit is arranged at the first rotating shaft end, the torsion unit is provided with a torsion driving block, the second rotating shaft end is provided with a sliding block groove, the torsion driving block is movably arranged in the sliding block groove, when the torsion driving block slides in the sliding block groove, the axle centers of the first rotating shaft end and the second rotating shaft end are superposed or separated, the first rotating shaft end is provided with a guide part, the second rotating shaft end is provided with a limiting part, when the driving block rotates, the torsion limiting part is matched with the guide part, the axle centers of the first rotating shaft end and the second rotating shaft end are separated, the guide part comprises a guide ring and a guide rail arranged in the circumferential direction of the guide ring, when the torsion driving block rotates, the limiting part slides on the surface of the guide rail, and the axle centers of the first rotating shaft end and the second rotating shaft end are separated from each other.

2. The variable axial center rotating shaft according to claim 1, wherein: the guide rail device comprises a plurality of guide rails and limiting pieces which are arranged in pairs.

3. The variable axial center rotating shaft according to claim 2, wherein: the guide rail comprises a plurality of guide surfaces with different radiuses which are connected in sequence.

4. The variable axial center rotating shaft according to claim 3, wherein: and arc surfaces for reducing friction are arranged between the guide surfaces.

5. The variable axial center rotating shaft according to claim 1, wherein: at least one of grease, graphite or balls for reducing friction is arranged in the slider groove.

6. The axis-variable rotating shaft as claimed in claim 1, wherein a reset member is disposed in the slider groove, the reset member is mounted in the slider groove and supported below the torque driving block, when the guide member is separated from the limiting member, the reset member drives the torque driving block to reset, and the axes of the first rotating shaft end and the second rotating shaft end are reset and overlapped.

7. The variable axial center rotating shaft according to claim 6, wherein: the reset piece comprises one of a spring, a magnet and elastic rubber.

8. The variable axial center rotating shaft according to claim 6, wherein: the torsion driving block is provided with a recess used for being connected with the resetting piece.