CN110792687A - Rotating shaft mechanism for notebook computer - Google Patents

Rotating shaft mechanism for notebook computer Download PDF

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Publication number
CN110792687A
CN110792687A CN201910878887.7A CN201910878887A CN110792687A CN 110792687 A CN110792687 A CN 110792687A CN 201910878887 A CN201910878887 A CN 201910878887A CN 110792687 A CN110792687 A CN 110792687A
Authority
CN
China
Prior art keywords
rotating shaft
supporting plate
block
stop block
notebook computer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910878887.7A
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Chinese (zh)
Inventor
董小慧
万鹏程
陳威仲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Kersen Science and Technology Co Ltd
Original Assignee
Kunshan Kersen Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunshan Kersen Science and Technology Co Ltd filed Critical Kunshan Kersen Science and Technology Co Ltd
Priority to CN201910878887.7A priority Critical patent/CN110792687A/en
Publication of CN110792687A publication Critical patent/CN110792687A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/045Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/10Arrangements for locking
    • F16C11/103Arrangements for locking frictionally clamped
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681Details related solely to hinges

Abstract

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.

Description

Rotating shaft mechanism for notebook computer
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.
In the prior art, a gear structure is mostly adopted for realizing a rotating shaft rotating by 360 degrees, however, the center distance of 2 shafts of the gear structure is limited, the gear structure cannot be adjusted freely according to the size of a using object, the center distance needs to be determined by calculating gear matching, the production and installation are complex, a plurality of parts are needed, and the cost is high.
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
Example 1: a rotating shaft mechanism for a notebook computer comprises a first rotating shaft 1, a second rotating shaft 2, a supporting plate 3, 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 connected with the first rotating shaft 1 and the second rotating shaft 2 respectively and sequentially sleeved on the first rotating shaft 1 and the second rotating shaft 2 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 polished rod 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 polished rod 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 pass through, the supporting plate 3 is provided with a slider seat 8 in the center of the surface opposite to the stop block 6, a sliding top block 9 is slidably mounted on the slider seat 8, two stop blocks 10 are respectively arranged on two sides of the slider seat 8, 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 support 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 accumulation parts 11 of the first rotating shaft 1 and the second rotating shaft 2 to pass through are respectively arranged on the second support plate 21, and the plurality of friction plates 5 are respectively positioned on two sides of the second support 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 on the surface of the support plate 3 opposite to the slider seat 8;
when the first connecting plate 14 and the second connecting plate 15 are positioned at 0-180 degrees, two ends of the flange portion 16 of the second rotating shaft 2 are respectively abutted and pressed against 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 180-360 degrees, two ends of the flange portion 16 of the first rotating shaft 1 are respectively abutted and pressed against 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.
The number of the friction plates 5 is 2, and the friction plates are respectively positioned at two sides of the second supporting plate 21 and are in contact connection with the second supporting plate 21; two end surfaces of the protrusion 231 are inclined surfaces, and two inner surfaces of the groove 24 corresponding to the two end surfaces of the protrusion 231 are inclined surfaces matched with the inclined surfaces of the protrusion 231;
the number of the convex blocks 231 and the concave grooves 24 is 2; the elastic assembly 4 comprises at least two disk-shaped elastic pieces 41, and the convex surfaces of every two disk-shaped elastic pieces 41 are arranged oppositely; the first connecting plate 14 is used to connect with the screen end of the notebook computer, and the second connecting plate 15 is used to connect with the base end of the notebook computer.
Example 2: a rotating shaft mechanism for a notebook computer comprises a first rotating shaft 1, a second rotating shaft 2, a supporting plate 3, 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 connected with the first rotating shaft 1 and the second rotating shaft 2 respectively and sequentially sleeved on the first rotating shaft 1 and the second rotating shaft 2 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 polished rod 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 polished rod 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 pass through, the supporting plate 3 is provided with a slider seat 8 in the center of the surface opposite to the stop block 6, a sliding top block 9 is slidably mounted on the slider seat 8, two stop blocks 10 are respectively arranged on two sides of the slider seat 8, 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 support 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 accumulation parts 11 of the first rotating shaft 1 and the second rotating shaft 2 to pass through are respectively arranged on the second support plate 21, and the plurality of friction plates 5 are respectively positioned on two sides of the second support 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 on the surface of the support plate 3 opposite to the slider seat 8;
when the first connecting plate 14 and the second connecting plate 15 are positioned at 0-180 degrees, two ends of the flange portion 16 of the second rotating shaft 2 are respectively abutted and pressed against 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 180-360 degrees, two ends of the flange portion 16 of the first rotating shaft 1 are respectively abutted and pressed against 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.
Two end surfaces of the bump 231 are arc surfaces, and two inner surfaces of the groove 24 corresponding to the two end surfaces of the bump 231 are arc surfaces matched with the arc surfaces of the bump 231; the sliding top block 9 is a cylindrical top block, and two end surfaces of the cylindrical top block are spherical surfaces; the two stop blocks 10 are respectively positioned at two ends of the support plate 3;
the stop 6 is a nut stop which is in threaded connection with the power storage part 11 of the first rotating shaft 1 and the second rotating shaft 2; a gasket 18 is arranged between the stop block 6 and the friction plate 5; the first connecting plate 14 is connected with the connecting part 12 of the first rotating shaft 1 through a rivet 17, and the second connecting plate 15 is connected with the connecting part 12 of the second rotating shaft 2 through a rivet 17; the surfaces of the second supporting plate 21, which are contacted with the two friction plates 5, are provided with a plurality of oil storage tanks 19; the supporting plate 3 and the friction plate 5 are both provided with a plurality of oil storage tanks 19.
When the first connecting plate and the second connecting plate are in a 0-degree state, the sliding top block stops the second connecting plate; the first rotating shaft rotates clockwise from the stopping point of the first rotating shaft, and the second rotating shaft is limited by the stopping point and the sliding top block and cannot rotate; when the first rotating shaft rotates clockwise to 180 degrees, the stopping point is reached, and the first rotating shaft can not rotate clockwise any more; the second rotating shaft can rotate anticlockwise at the moment, the sliding top block stops towards the first rotating shaft along with the anticlockwise rotation of the second rotating shaft, and the first rotating shaft is limited; the second rotating shaft rotates anticlockwise, the first rotating shaft is limited by the stop point and the sliding top block and cannot rotate, and when the angle reaches 360 degrees, the second rotating shaft rotates to the stop point to complete 360-degree rotation of the whole rotating shaft.
When the rotating shaft mechanism for the notebook computer is adopted, the double rotating shafts are matched with the sliding ejector block, the torsion formed by the friction plate and the elastic component is extruded by the stop block, the sliding matching stop block of the sliding ejector block and the flange part of the rotating shaft are used for realizing the switching of 2 rotating shaft motions, so that the 360-degree rotating positioning of the notebook computer is realized, and the adjustment of the center distance of the rotating shafts can be realized only by adjusting the length of the sliding ejector block, so that the rotating shaft mechanism is suitable for the notebook computers with different specifications and sizes, and the lightness and thinness of the notebook computer are kept; in addition, the structure is simple to mount, the number of parts is small, and the cost is low;
in addition, 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;
in addition, through the combination setting of cam and recess, the torsion that cooperation dog extrusion friction disc, elastic component formed both can realize the auto-lock and can not take place the display surface or the base face drops when can guaranteeing that notebook computer rotates arbitrary angle, can also be less than certain angle, when being close the closure at the contained angle between display surface and the base face, realize that automatic power of unloading realizes notebook computer's automation and close, user experience is good.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (9)

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).
CN201910878887.7A 2019-09-18 2019-09-18 Rotating shaft mechanism for notebook computer Pending CN110792687A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910878887.7A CN110792687A (en) 2019-09-18 2019-09-18 Rotating shaft mechanism for notebook computer

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Application Number Priority Date Filing Date Title
CN201910878887.7A CN110792687A (en) 2019-09-18 2019-09-18 Rotating shaft mechanism for notebook computer

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Publication Number Publication Date
CN110792687A true CN110792687A (en) 2020-02-14

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Publication number Priority date Publication date Assignee Title
JP2004332793A (en) * 2003-05-02 2004-11-25 Ohashi Technica Inc Hinge device and electronic device using this
JP2013096570A (en) * 2011-11-04 2013-05-20 Taiyo Kogyo Kk Biaxial hinge
CN103291737A (en) * 2012-02-22 2013-09-11 兆利科技工业股份有限公司 Card lock type double-shaft pivot device
CN103307094A (en) * 2012-03-09 2013-09-18 兆利科技工业股份有限公司 Locking type double-shaft pivot device
CN104421317A (en) * 2013-09-04 2015-03-18 昆山玮硕恒基电子科技有限公司 Double-core rotating shaft with 360-degree rotational positioning and automatic closing functions
CN206958080U (en) * 2017-08-03 2018-02-02 屈桄军 A kind of notebook computer rotation shaft

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004332793A (en) * 2003-05-02 2004-11-25 Ohashi Technica Inc Hinge device and electronic device using this
JP2013096570A (en) * 2011-11-04 2013-05-20 Taiyo Kogyo Kk Biaxial hinge
CN103291737A (en) * 2012-02-22 2013-09-11 兆利科技工业股份有限公司 Card lock type double-shaft pivot device
CN103307094A (en) * 2012-03-09 2013-09-18 兆利科技工业股份有限公司 Locking type double-shaft pivot device
CN104421317A (en) * 2013-09-04 2015-03-18 昆山玮硕恒基电子科技有限公司 Double-core rotating shaft with 360-degree rotational positioning and automatic closing functions
CN206958080U (en) * 2017-08-03 2018-02-02 屈桄军 A kind of notebook computer rotation shaft

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