阅读说明：本技术 用于笔记本电脑的转轴机构 (Rotating shaft mechanism for notebook computer ) 是由 董小慧 万鹏程 陳威仲 于 2019-09-18 设计创作，主要内容包括：本发明公开一种用于笔记本电脑的转轴机构,包括第一转轴、第二转轴、连接第一转轴和第二转轴的支撑板、弹性组件、若干摩擦片和挡块,所述支撑板、弹性组件和摩擦片分别依次套装于第一转轴、第二转轴上,并通过挡块挤压固定,所述挡块与弹性组件之间还设置有一连接第一转轴、第二转轴的第二支撑板,此第二支撑板上分别开始两个供第一转轴、第二转轴各自的蓄力部穿过的第二通孔,所述若干摩擦片分别位于第二支撑板两侧,所述支撑板与弹性组件之间设置有一凸轮,所述支撑板相背于滑块座的表面开有与凸轮的凸块配合的凹槽。本发明可实现360度旋转定位,且只需要通过调节滑动顶块的长度即可以实现对转轴中心距的调整,以适用于不同规格尺寸的笔记本电脑。(The invention discloses a rotating shaft mechanism for a notebook computer, which comprises a first rotating shaft, a second rotating shaft, a supporting plate, an elastic component, a plurality of friction plates and a stop block, wherein the supporting plate, the elastic component, the friction plates and the stop block are connected with the first rotating shaft and the second rotating shaft in a sleeved mode respectively, the supporting plate, the elastic component and the friction plates are fixed through the stop block in an extruding mode, the second supporting plate connected with the first rotating shaft and the second rotating shaft is further arranged between the stop block and the elastic component, two second through holes for allowing respective force accumulation parts of the first rotating shaft and the second rotating shaft to penetrate through are formed in the second supporting plate respectively, the friction plates are located on two sides of the second supporting plate respectively, a cam is arranged between the supporting plate and the elastic component, and a groove matched with a convex block of the cam is formed in the surface, opposite to a. The invention can realize 360-degree rotation positioning, and can realize the adjustment of the center distance of the rotating shaft only by adjusting the length of the sliding top block, so that the invention is suitable for notebook computers with different specifications and sizes.)

1. The utility model provides a pivot mechanism for notebook computer which characterized in that: the friction plate fixing device comprises a first rotating shaft (1), a second rotating shaft (2), a supporting plate (3) for connecting the first rotating shaft (1) and the second rotating shaft (2), an elastic component (4), a plurality of friction plates (5) and a stop block (6), wherein the supporting plate (3), the elastic component (4) and the friction plates (5) are respectively sleeved on the first rotating shaft (1) and the second rotating shaft (2) in sequence and are extruded and fixed through the stop block (6);

the first rotating shaft (1) and the second rotating shaft (2) respectively comprise a force accumulation part (11) positioned at one end, a connecting part (12) positioned at the other end and a light bar part (13) positioned between the force accumulation part (11) and the connecting part (12), the supporting plate (3), the elastic component (4) and the friction plate (5) are sequentially sleeved on the force accumulation part (11), the connecting part (12) of the first rotating shaft (1) is connected with a first connecting plate (14), the connecting part (12) of the second rotating shaft (2) is connected with a second connecting plate (15), a flange part (16) is arranged between the light bar part (13) and the force accumulation part (11), and the end surface of the flange part (16) close to the force accumulation part (11) is opposite to the surface of the supporting plate (3) opposite to the stop block (6);

the supporting plate (3) is provided with two through holes (7) for the respective force accumulation parts (11) of the first rotating shaft (1) and the second rotating shaft (2) to penetrate through, the supporting plate (3) is provided with a sliding block seat (8) in the center of the surface opposite to the stop block (6), the sliding block seat (8) is slidably provided with a sliding top block (9), two sides of the sliding block seat (8) are respectively provided with a stop block (10), the two stop blocks (10) are respectively matched with the respective flange parts (16) of the first rotating shaft (1) and the second rotating shaft (2), and two ends of the sliding top block (9) are respectively matched with the respective flange parts (16) of the first rotating shaft (1) and the second rotating shaft (2);

a second supporting plate (21) connected with the first rotating shaft (1) and the second rotating shaft (2) is further arranged between the stop block (6) and the elastic component (4), two second through holes (22) for the respective force storage parts (11) of the first rotating shaft (1) and the second rotating shaft (2) to pass through are respectively arranged on the second supporting plate (21), and the plurality of friction plates (5) are respectively positioned on two sides of the second supporting plate (21);

a cam (23) is arranged between the support plate (3) and the elastic component (4), and a groove (24) matched with a convex block (231) of the cam (23) is formed in the surface, opposite to the slider seat (8), of the support plate (3);

when the first connecting plate (14) and the second connecting plate (15) are positioned at an angle of 0-180 degrees, two ends of a flange portion (16) of the second rotating shaft (2) are respectively in abutting contact with one end of the sliding top block (9) and the stop block (10) positioned on one side of the sliding block seat (8), the first rotating shaft (1) can rotate, when the first connecting plate (14) and the second connecting plate (15) are positioned at an angle of 180-360 degrees, two ends of the flange portion (16) of the first rotating shaft (1) are respectively in abutting contact with the other end of the sliding top block (9) and the stop block (10) positioned on the other side of the sliding block seat (8), and the second rotating shaft (2) can rotate.

2. The hinge mechanism for notebook computer according to claim 1, wherein: the number of the friction plates (5) is 2, and the friction plates are respectively positioned on two sides of the second supporting plate (21) and are in contact connection with the second supporting plate (21).

3. The hinge mechanism for notebook computer according to claim 1, wherein: two end faces of the convex block (231) are inclined faces or arc-shaped faces, and two inner surfaces of the groove (24) corresponding to the two end faces of the convex block (231) are inclined faces or arc-shaped faces matched with the inclined faces or the arc-shaped faces of the convex block (231).

4. A hinge mechanism for a notebook computer according to claim 1 or 3, wherein: the number of the convex blocks (231) and the number of the grooves (24) are 2.

5. The hinge mechanism for notebook computer according to claim 1, wherein: the elastic assembly (4) comprises at least two disk-shaped elastic sheets (41), and convex surfaces of every two disk-shaped elastic sheets (41) are arranged oppositely.

6. The hinge mechanism for notebook computer according to claim 1, wherein: the sliding top block (9) is a cylindrical top block, and two end faces of the cylindrical top block are spherical faces.

7. The hinge mechanism for notebook computer according to claim 1, wherein: the two stop blocks (10) are respectively positioned at two ends of the supporting plate (3).

8. The hinge mechanism for notebook computer according to claim 1, wherein: the stop block (6) is a nut stop block, and the nut stop block is in threaded connection with the force storage part (11) of the first rotating shaft (1) and the second rotating shaft (2).

9. The hinge mechanism for notebook computer according to claim 1 or 8, wherein: a gasket (18) is arranged between the stop block (6) and the friction plate (5).

Technical Field

The invention relates to a rotating shaft mechanism for a notebook computer, and belongs to the technical field of notebook computers.

Background

The rotating shaft is a connecting element capable of providing mutual rotation, is mainly applied between a rotating part and a base body thereof, is widely applied to various digital products and electronic equipment such as a notebook computer at present, and can realize the opening and closing function between the body of the notebook computer and a display screen through the rotation of the rotating shaft. At present, a common rotating shaft is a single-shaft core, and the functions of opening and closing and automatic closing of a notebook computer are realized through a cam and a concave wheel which are positioned and sleeved on the single-shaft core. The notebook computer can be opened and closed and the angle relative to the human body can be realized through the double-shaft core. However, the above structure can only realize opening and closing of the notebook screen and the base at a certain angle, and cannot satisfy the 360-degree rotation positioning function required in the two-in-one combination of the tablet and the notebook computer.

Disclosure of Invention

The invention aims to provide a rotating shaft mechanism for a notebook computer, which can realize 360-degree rotating positioning and can realize the adjustment of the center distance of a rotating shaft only by adjusting the length of a sliding top block so as to be suitable for notebook computers with different specifications and sizes.

In order to achieve the purpose, the invention adopts the technical scheme that: a rotating shaft mechanism for a notebook computer comprises a first rotating shaft, a second rotating shaft, a supporting plate, an elastic component, a plurality of friction plates and a stop block, wherein the supporting plate, the elastic component and the friction plates are connected with the first rotating shaft and the second rotating shaft and are respectively sleeved on the first rotating shaft and the second rotating shaft in sequence and are extruded and fixed through the stop block;

the first rotating shaft and the second rotating shaft respectively comprise a force accumulation part at one end, a connecting part at the other end and a polished rod part between the force accumulation part and the connecting part, the force accumulation part is sequentially sleeved with the supporting plate, the elastic component and the friction plate, the connecting part of the first rotating shaft is connected with a first connecting plate, the connecting part of the second rotating shaft is connected with a second connecting plate, a flange part is arranged between the polished rod part and the force accumulation part, and the end surface of the flange part close to the force accumulation part is opposite to the surface of the supporting plate opposite to the stop block;

the supporting plate is provided with two through holes for the respective force accumulation parts of the first rotating shaft and the second rotating shaft to pass through, the supporting plate is provided with a slider seat in the center of the surface opposite to the stop block, a sliding top block is slidably arranged on the slider seat, two stopping blocks are respectively arranged on two sides of the slider seat, the two stopping blocks are respectively matched with the respective flange parts of the first rotating shaft and the second rotating shaft, and two ends of the sliding top block are respectively matched with the respective flange parts of the first rotating shaft and the second rotating shaft;

a second support plate connected with the first rotating shaft and the second rotating shaft is arranged between the stop block and the elastic assembly, two second through holes for the respective force accumulation parts of the first rotating shaft and the second rotating shaft to pass through are respectively arranged on the second support plate, and the plurality of friction plates are respectively positioned on two sides of the second support plate;

a cam is arranged between the support plate and the elastic component, and a groove matched with a convex block of the cam is formed in the surface of the support plate, which is opposite to the surface of the sliding block seat;

when the first connecting plate and the second connecting plate are positioned at an angle of 0-180 degrees, two ends of the flange portion of the second rotating shaft are respectively abutted and pressed against one end of the sliding ejecting block and the stop block positioned on one side of the sliding block seat, the first rotating shaft can rotate, when the first connecting plate and the second connecting plate are positioned at an angle of 180-360 degrees, two ends of the flange portion of the first rotating shaft are respectively abutted and pressed against the other end of the sliding ejecting block and the stop block positioned on the other side of the sliding block seat, and the second rotating shaft can rotate.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the number of the friction plates is 2, and the friction plates are respectively located on two sides of the second support plate and are in contact connection with the second support plate.

2. In the above scheme, two end faces of the bump are inclined planes or arc-shaped faces, and two inner surfaces of the groove corresponding to the two end faces of the bump are inclined planes or arc-shaped faces matched with the inclined planes or the arc-shaped faces of the bump.

3. In the above scheme, the number of the bumps and the number of the grooves are 2.

4. In the above scheme, the elastic assembly comprises at least two disk-shaped elastic pieces, and the convex surfaces of every two disk-shaped elastic pieces are arranged oppositely.

5. In the above scheme, the sliding top block is a cylindrical top block, and two end faces of the cylindrical top block are spherical surfaces.

6. In the above scheme, the two stop blocks are respectively located at two ends of the support plate.

7. In the above scheme, the stop block is a nut stop block, and the nut stop block is in threaded connection with the force storage part of the first rotating shaft and the second rotating shaft.

8. In the above scheme, a gasket is arranged between the stop block and the friction plate.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. the invention relates to a rotating shaft mechanism for a notebook computer, which adopts a double rotating shaft matched with a sliding top block, realizes the switching of 2 rotating shaft movements by extruding a torsion force formed by a friction plate and an elastic component, a sliding matched stop block of the sliding top block and a flange part of a rotating shaft through a stop block, thereby realizing the 360-degree rotating positioning of the notebook computer, and can realize the adjustment of the center distance of the rotating shaft only by adjusting the length of the sliding top block, thereby being suitable for the notebook computers with different specifications and sizes and simultaneously keeping the lightness and thinness of the notebook computer; in addition, the structure installation is simple, the number of parts is small, and the cost is low.

2. The invention relates to a rotating shaft mechanism for a notebook computer, wherein a second supporting plate connected with a first rotating shaft and a second rotating shaft is arranged between a stop block and an elastic component of the rotating shaft mechanism, two second through holes for respective force accumulation parts of the first rotating shaft and the second rotating shaft to pass through are respectively arranged on the second supporting plate, a plurality of friction plates are respectively positioned at two sides of the second supporting plate, and the second supporting plate and the supporting plate form stable and symmetrical support for the whole rotating shaft mechanism, so that the rotating shaft is prevented from being distorted due to overlarge stress in the rotating process, and the stability of the structure of the rotating shaft mechanism is ensured.

3. The invention relates to a rotating shaft mechanism for a notebook computer, wherein a cam is arranged between a support plate and an elastic component, a groove matched with a convex block of the cam is formed in the surface of the support plate, which is opposite to a sliding block seat, and the cam and the groove are combined and arranged to be matched with a stop block to extrude a friction plate and the torsion formed by the elastic component, so that the self-locking can be realized when the notebook computer rotates to any angle without the falling of a display surface or a base surface, the automatic closing of the notebook computer can be realized by automatic force unloading when the included angle between the display surface and the base surface is smaller than a certain angle and is close to the closed state, and the user experience is good.

Drawings

FIG. 1 is a schematic structural diagram of a rotating shaft mechanism for a notebook computer according to the present invention;

FIG. 2 is an exploded view of a hinge mechanism for a notebook computer according to the present invention;

FIG. 3 is a partially exploded view of a hinge mechanism for a notebook computer according to the present invention;

FIG. 4 is a structural side view of the present invention at 0 °, 90 °, 180 °, 270 ° 360 °;

fig. 5 is a partial schematic view of fig. 4.

In the above drawings: 1. a first rotating shaft; 2. a second rotating shaft; 3. a support plate; 4. an elastic component; 41. a disk-shaped elastic sheet; 5. a friction plate; 6. a stopper; 7. a through hole; 8. a slider seat; 9. sliding the ejector block; 10. a stop block; 11. a power storage section; 12. a connecting portion; 13. a light bar section; 14. a first connecting plate; 15. a second connecting plate; 16. a flange portion; 17. riveting; 18. a gasket; 19. an oil storage tank; 21. a second support plate; 22. a second through hole; 23. a cam; 231. a bump; 24. and (4) a groove.

Detailed Description