Pivot device capable of being operated by one hand

By introducing a central gear, side gear meshing transmission, and torsion spring auxiliary design into the laptop's hub, the problem of requiring two hands to operate in the prior art is solved, enabling easy one-handed screen opening and improving operational convenience and stability.

CN223814252UActive Publication Date: 2026-01-20SUZHOU CHENGJUN TECH
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Patent Information

Application Number
CN202520603427.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-20
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

The hinges on current laptops are difficult to open the screen, usually requiring two hands, which affects work efficiency.

Method used

The design includes a housing, a torsion assembly, a shaft assembly, and auxiliary components. Through the meshing transmission of the central gear and the side gears, combined with the torsion spring to provide additional torsional force, it enables one-handed operation.

Benefits of technology

It enables easy one-handed opening of laptop screens, especially heavy or high-damping screens, reducing the force required for operation and improving ease of use and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pivot device capable of being operated by a single hand, which comprises a shell, a torsion component is fixedly arranged in the shell, an axis component is meshed and connected in the torsion component, a connecting component is fixedly arranged at one end of the axis component, and an auxiliary component used for assisting the operation by the single hand is arranged outside the torsion component. According to the pivot device capable of being operated by one hand, through the axis component and the torsion component, the pivot device can be more stably kept at a set position after being adjusted, and angle deviation or shaking caused by single axis is avoided; the central gear between the two axes drives the other rotating shaft to rotate when one rotating shaft rotates, so that the screen can be opened in a more labor-saving manner, additional twisting force can be provided through the auxiliary assembly and the torsional spring, a user is helped to easily open the screen of the notebook computer by a single hand, and especially for a notebook computer with large damping or a heavy screen, the screen can be opened more easily by one hand. The user does not need to spend too much effort, and operation is more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a pivot technical field, concretely is a pivot that single -handed operation can. BACKGROUND

[0002] In the existing notebook computer, the display and the notebook computer body part are connected by a rotating connecting piece, in order to ensure that the notebook computer can keep opening and closing lower, usually set up friction device or damping device on the rotating connecting piece, so that the rotating connecting piece can provide sufficient torque to make the screen of the notebook computer keep a certain opening angle.

[0003] But the pivot of the existing notebook computer is more laborious when opening the screen of the notebook computer, usually needs two hands to open the notebook computer more troublesome, which also reduces the work efficiency of office work to some extent.

[0004] Therefore, a pivot that single -handed operation can be provided. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a pivot that single -handed operation can, to solve the problem that the pivot of the existing notebook computer is more laborious when opening the screen of the notebook computer, usually needs two hands to open the notebook computer more troublesome, which also reduces the work efficiency of office work to some extent.

[0006] To achieve the above object, the utility model provides the following technical scheme: a pivot that single -handed operation can, including the shell, the inside fixed mounting of the shell has torsion subassembly, the inside meshing connection of torsion subassembly has axle core subassembly, the fixed mounting of one end of axle core subassembly has connecting subassembly, the outside installation of torsion subassembly has the auxiliary assembly for assisting single -handed operation.

[0007] Preferably, the torsion subassembly includes a mounting shell, which is fixedly installed inside the shell, a center gear is rotatably installed in the center of the mounting shell, and a limiting groove is formed on one side of the mounting shell. This can share the load during transmission, reduce the pressure and impact force borne by the single shaft and connecting components, make the pivot more stable, reduce vibration and noise, and prolong the service life of the equipment.

[0008] Preferably, the shaft core assembly comprises two side gears, the two side gears are respectively connected on the two sides of the central gear, the middle part of the two side gears is fixedly installed with a rotating shaft, the two rotating shafts are respectively rotatably installed at the two ends inside the installation shell, the two ends of the rotating shafts pass through the two sides of the installation shell, one end of one of the rotating shafts is fixedly installed with a square rod, the two shaft cores can make the display screen of the notebook computer can be adjusted at a larger angle, and can be more stably kept at the set position after adjustment, and the angle deviation or shaking caused by the single shaft core does not occur, thereby providing a more personalized and comfortable use experience for the user.

[0009] Preferably, the one end of the two rotating shafts is sleeved with a plurality of damping sleeve pieces, and the one end of the two rotating shafts is provided with threads, and the rotating shaft is connected with a nut through threads, if it is found that the damping piece has a problem or needs to be replaced, the damping piece is loosened by adjusting the nut, and the operation is relatively simple and convenient, and the maintenance personnel can conveniently operate.

[0010] Preferably, the installation assembly comprises a first connecting frame and a second connecting frame, the first connecting frame is fixedly installed at one end of the square rod, the second connecting frame is fixedly installed at one end of one of the rotating shafts, the bottom of the second connecting frame is fixedly installed with an operation area connecting piece, and the side of the first connecting frame is fixedly installed with a display screen connecting piece; the design of the connecting piece makes the connection of the display screen and the operation area more convenient, the connecting piece cooperates with the hinge to enable the display screen to be adjusted at various angles relative to the operation area, and when the parts are repaired or replaced later, the display screen and the operation area can be easily separated by only disassembling the fixing screws and other parts on the connecting piece.

[0011] Preferably, the auxiliary assembly comprises a rotating block, one end of one of the rotating shafts passes through the middle part of the rotating block, the outer side of the rotating block is fixedly installed with a torsional spring, one end of the torsional spring is fixedly installed with a connecting plate, and the connecting plate is sleeved outside the square rod; the torsional spring can provide additional torsional force, helping the user to more easily open the notebook computer screen with one hand, especially for the notebook computer with larger damping or heavier screen, the user does not need to spend too much effort, and the operation is more convenient.

[0012] Compared with the prior art, the notebook computer screen adjusting device has the following beneficial effects:

[0013] Through the shaft core assembly and the torsional assembly, the display screen can be more stably kept at the set position after adjustment, the angle deviation or shaking caused by the single shaft core does not occur, and the opening of the screen is more labor-saving because the central gear between the two shaft cores drives the other rotating shaft to rotate when one rotating shaft rotates.

[0014] The torsional spring can provide additional torsional force through the auxiliary assembly, helping the user to more easily open the notebook computer screen with one hand, especially for notebooks with greater damping or heavier screens, so that the user does not need to exert too much force and the operation is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the hinge device of the utility model;

[0016] Figure 2 It is a perspective view of the inside of the shell of the hinge device of the utility model;

[0017] Figure 3 It is a front view of the inside of the shell of the hinge device of the utility model;

[0018] Figure 4 It is an auxiliary assembly view of the hinge device of the utility model.

[0019] In the figure: 1, shell; 2, mounting shell; 3, center gear; 4, side gear; 5, connecting plate; 6, damping sleeve tab; 7, nut; 8, shaft; 9, square rod; 10, first connecting frame; 11, second connecting frame; 12, operating area connecting tab; 13, display screen connecting tab; 14, limiting groove; 15, rotating block; 16, torsional spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a hinge device of single -handed operation, including shell 1, the inside fixed mounting of shell 1 has torsional assembly, the inside engagement of torsional assembly has axle core component, and one end fixed mounting of axle core component has connecting assembly, and the outside installation of torsional assembly has for the auxiliary single -handed operation auxiliary assembly.

[0022] Further, the torsional assembly includes a mounting shell 2 fixedly installed inside the shell 1, a center gear 3 is rotatably installed inside the mounting shell 2, a limiting groove 14 is formed on one side of the mounting shell 2, when the center gear 3 is engaged and rotated by the upper side gear 4, it will rotate around the center inside the mounting shell 2, when the center gear 3 rotates, it engages and rotates the lower side gear 4, the lower side gear 4 drives the shaft 8 at its center to rotate, the shaft 8 drives the second connecting frame 11 at one end and the operating area connecting tab 12 to flip, making it easier to open the notebook computer screen.

[0023] Further, the shaft assembly comprises two side gears 4, which are respectively connected to the two sides of the center gear 3, and the middle part of each side gear 4 is fixedly installed with a rotating shaft 8, both ends of each rotating shaft 8 are rotatably installed in the installation shell 2, and both ends of the rotating shaft 8 pass through the two sides of the installation shell 2, one end of one rotating shaft 8 is fixedly installed with a square rod 9, when the display screen of the notebook computer is opened, the display screen connecting piece 13 drives the fixedly connected square rod 9 to rotate through the first connecting frame 10, the square rod 9 drives the rotating shaft 8 at one end to synchronously move, so that the rotating shaft 8 at one end rotates in the installation shell 2, and the rotating shaft 8 drives the side gear 4 fixedly installed in the middle part to mesh with the center gear 3.

[0024] Further, one end of each rotating shaft 8 is sleeved with a plurality of damping sleeve connecting pieces 6, one end of each rotating shaft 8 is provided with a thread, and the rotating shaft 8 is connected with a nut 7 through the thread, the nut 7 and the thread are matched to adjust the resistance of the notebook computer screen opening through transmission, the nut 7 is positively transmitted to extrude the plurality of damping sleeve connecting pieces 6, so that the plurality of damping sleeve connecting pieces 6 are more closely contacted, when the notebook computer screen is opened, the resistance of the screen opening is increased due to the increased friction between the plurality of damping sleeve connecting pieces 6, and conversely, the reverse transmission of the nut 7 reduces the friction between the plurality of damping sleeve connecting pieces 6, so that the resistance of the screen opening is reduced, and the resistance can be adjusted through the nut 7 before the installation of the hinge.

[0025] Further, the installation assembly comprises a first connecting frame 10 and a second connecting frame 11, the first connecting frame 10 is fixedly installed at one end of the square rod 9, the second connecting frame 11 is fixedly installed at one end of the rotating shaft 8, the bottom of the second connecting frame 11 is fixedly installed with an operation area connecting piece 12, one side of the first connecting frame 10 is fixedly installed with a display screen connecting piece 13, the operation area connecting piece 12 is fixedly installed on the operation area of the notebook computer through a screw, and the display screen connecting piece 13 is fixedly installed on the display screen of the notebook computer through a screw, because the display screen connecting piece 13 and the operation area connecting piece 12 are fixedly connected with both ends of the hinge, the operation area and the display screen of the notebook computer are connected through the hinge, so that the notebook computer can be opened and closed.

[0026] Further, the auxiliary assembly comprises a rotating block 15 rotatably installed inside the limiting groove 14, one end of one rotating shaft 8 penetrates through the middle part of the rotating block 15, the outer side of the rotating block 15 is fixedly installed with a torsion spring 16, one end of the torsion spring 16 is fixedly installed with a connecting plate 5, the connecting plate 5 is sleeved on the outer side of the square rod 9, when the screen of the notebook computer is closed, the display screen connecting piece 13 drives the square rod 9 fixedly connected through the first connecting frame 10 to rotate, the square rod 9 drives the outer connecting plate 5 to synchronously rotate, the connecting plate 5 drives the torsion spring 16 to rotate when rotating, the torsion spring 16 cannot reversely rotate because one end of the rotating block 15 fixedly connected is blocked by the limiting groove 14, so the rotation of the connecting plate 5 will exert a torsional force on the torsion spring 16 after the notebook computer is closed, but the torsional force is not enough to ignore the resistance exerted by the damping sleeve connecting piece 6, so when the person opens the screen of the notebook computer, the torsion spring 16 will release the torsional force to assist the turning of the display screen, the screen can be opened by a small force, so the operation can be completed by one hand, without the need of two hands to simultaneously operate.

[0027] The application is used: through the cooperation of the nut 7 and the thread, the resistance of opening the screen of the notebook computer can be adjusted by transmission, the nut 7 is squeezed to the plurality of damping sleeve connecting pieces 6 by forward transmission, the plurality of damping sleeve connecting pieces 6 are more closely contacted, the resistance of opening the screen is increased because the friction between the plurality of damping sleeve connecting pieces 6 is increased, on the contrary, the nut 7 is reversely transmitted, the friction between the plurality of damping sleeve connecting pieces 6 is reduced, the resistance of opening the screen is reduced, the resistance can be adjusted by the nut 7 before the pivot is installed, the operation area connecting piece 12 is fixedly installed on the operation area of the notebook computer by the screw, the display screen connecting piece 13 is fixedly installed on the display screen of the notebook computer by the screw, because the display screen connecting piece 13 and the operation area connecting piece 12 are fixedly connected with the two ends of the pivot, the operation area and the display screen of the notebook computer are connected by the pivot, thereby the flip operation can be performed, when the display screen of the notebook computer is opened, the display screen connecting piece 13 drives the fixedly connected square rod 9 to rotate by the first connecting frame 10, the square rod 9 drives the one end of the rotating shaft 8 to synchronously move, so that the one end rotates in the installation shell 2, the rotating shaft 8 drives the side gear 4 fixedly installed in the middle to mesh with the center gear 3, when the center gear 3 is meshed and rotated by the upper side gear 4, the center gear 3 rotates in the center of the installation shell 2, the center gear 3 meshes with the lower side gear 4 to rotate, the lower side gear 4 drives the rotating shaft 8 in the center to rotate, the rotating shaft 8 drives the second connecting frame 11 at one end and the operation area connecting piece 12 to flip, so that the notebook computer screen is opened more labor-savingly, when the screen of the notebook computer is closed, the display screen connecting piece 13 drives the fixedly connected square rod 9 to rotate by the first connecting frame 10, the square rod 9 drives the connecting plate 5 outside to synchronously rotate, the connecting plate 5 drives the torsional spring 16 to rotate when rotating, the torsional spring 16 cannot reversely rotate because the rotating block 15 fixedly connected at one end is blocked by the limiting groove 14, so that the rotation of the connecting plate 5 applies a torsional force to the torsional spring 16 after the notebook computer is closed, but the torsional force is not enough to ignore the resistance of the damping sleeve connecting piece 6, so that the torsional spring 16 releases the torsional force to assist the flip of the display screen when the notebook computer screen is opened by human, the screen can be opened by small force, so that the operation can be completed by one hand.

[0028] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or replace some technical features equivalently, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A one-handed pivot comprising a housing (1), characterised in that: The inside of the shell (1) is fixedly installed with a torsion assembly, the inside of the torsion assembly is engaged with a shaft assembly, one end of the shaft assembly is fixedly installed with a connecting assembly, the outside of the torsion assembly is installed with an auxiliary assembly for assisting one-handed operation.

2. A single-handed pivoting handle according to claim 1, wherein: The torsion assembly comprises an installation shell (2) which is fixedly installed inside the shell (1), a central gear (3) is rotatably installed in the center of the installation shell (2), and a limiting groove (14) is formed in one side of the installation shell (2).

3. A single-handed operable hub according to claim 2, wherein: The shaft assembly comprises two side gears (4) which are engaged on the two sides of the central gear (3) respectively, a rotating shaft (8) is fixedly installed in the middle of each of the two side gears (4), the two rotating shafts (8) are rotatably installed at the two ends inside the installation shell (2), and the two ends of the rotating shaft (8) pass through the two sides of the installation shell (2), wherein one end of one of the rotating shafts (8) is fixedly installed with a square rod (9).

4. A single-handed operable hub according to claim 3, wherein: One end of each of the two rotating shafts (8) is sleeved with a plurality of damping sleeve pieces (6), one end of each of the two rotating shafts (8) is provided with a thread, and the rotating shaft (8) is connected with a nut (7) through the thread.

5. A single-handedly operable hub according to claim 3, wherein: The installation assembly comprises a first connecting frame (10) and a second connecting frame (11), the first connecting frame (10) is fixedly installed at one end of the square rod (9), the second connecting frame (11) is fixedly installed at one end of one of the rotating shafts (8), the bottom of the second connecting frame (11) is fixedly installed with an operation area connecting piece (12), and one side of the first connecting frame (10) is fixedly installed with a display screen connecting piece (13).

6. A single-handedly operable hub according to claim 3, wherein: The auxiliary assembly comprises a rotating block (15) which is rotatably installed inside the limiting groove (14), one end of one of the rotating shafts (8) passes through the middle of the rotating block (15), the outside of the rotating block (15) is fixedly installed with a torsion spring (16), one end of the torsion spring (16) is fixedly installed with a connecting plate (5), and the connecting plate (5) is sleeved on the outside of the square rod (9).