CN217682785U

CN217682785U - Novel double-shaft switching linkage device

Info

Publication number: CN217682785U
Application number: CN202221346577.4U
Authority: CN
Inventors: 陈嘉辉; 叶洋宾
Original assignee: Kunshan Gangyi Precision Electronic Technology Co ltd
Current assignee: Kunshan Gangyi Precision Electronic Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-28
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a novel biax switches linkage device, including fixed bearing frame, erect in a pair of first pivot and second pivot on the fixed bearing frame, install in the torsion adjusting part that first pivot and second pivot stretch out the end, its characterized in that: the fixed bolster put on the shelf be equipped with first pivot rotary motion convert into the transmission unit of second pivot quiescent condition and synchronous revolution, the transmission unit is including meshing driven auxiliary gear group and with moving the spur gear group, auxiliary gear group is located including installing first gear and the adjustable shelf of synchronous revolution with it in first pivot fixed bolster is last and partially meshed second gear with first gear. In this way, the utility model discloses torque force adjustment realizes that earlier single hand is opened the back and is switched to the both hands and open, satisfies the use habit, operates steadily, improves and rocks the problem.

Description

Novel double-shaft switching linkage device

Technical Field

The utility model relates to a pivot ware technical field especially relates to a novel biax switches interlock device.

Background

A mobile electronic device such as a notebook computer is basically composed of a display end and a system end which can be opened or closed relatively to each other, the display end and the system end are usually connected by a pivot device and used as an opening and closing action axis, the display end and the system end are also respectively combined with a relative bearing frame of the pivot device for positioning each rotating shaft, and a common dual-shaft simultaneous-action pivot device mainly enables the other shaft to synchronously rotate when one shaft rotates, so that the display end and the system end can synchronously rotate through the pivot device.

Chinese patent No. CN201520139285.7 discloses a planetary gear system transmission device in a double-shaft hinge, although there are few assembling parts, it can achieve a part with multiple functions, and can improve the overall rigidity strength and be more durable, but the first and second shafts are all synchronously rotated by gears from the beginning to the end, in order to ensure the stability of the opening angle, the first and second shafts are sleeved with a plurality of disc-shaped gaskets increasing the friction coefficient, anti-slip gaskets, gasket groups and nuts, and are regarded as a torque force adjusting assembly.

Based on the above defects, it is necessary to improve the prior art and design a novel dual-axis switching linkage device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a novel biax switches interlock, and the torsion adjustment realizes switching to two hands after earlier single hand is opened, satisfies the use habit, operates steadily, improves and rocks the problem.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a novel biax switches linkage, this kind of novel biax switches linkage includes fixed bolster, erects in a pair of first pivot and second pivot on the fixed bolster, install in the torsion adjusting part that first pivot and second pivot stretch out the end, fixed bolster put on the shelf be equipped with first pivot rotary motion convert into the transmission unit of second pivot quiescent condition and synchronous revolution, the transmission unit includes meshing driven auxiliary gear group and synchronous spur gear group, auxiliary gear group locates including installing first gear and the adjustable shelf synchronous revolution with it in first pivot on the fixed bolster and with the second gear of first gear part meshing.

Preferably, the first gear is provided with a gear ring missing part which ensures that the first rotating shaft is self-transmitted and does not drive the second rotating shaft to synchronously rotate, the second gear is provided with a lug matched with the gear ring missing part, and the lug is provided with a first arc-shaped limiting surface for rotating the gear ring missing part.

Preferably, the novel double-shaft switching linkage device further comprises a limiting wheel set, a limiting cam is mounted at the end part of the first rotating shaft, a limiting concave wheel matched with the limiting cam is mounted at the end part of the second gear, and a second arc-shaped limiting surface is arranged on the limiting concave wheel.

Preferably, the spur gear set comprises a third gear and a fourth gear, the third gear is movably arranged on the fixed bearing frame and meshed with a gear ring part of the second gear, and the fourth gear is arranged on the second rotating shaft and meshed with the third gear.

Compared with the prior art, the beneficial effects of the utility model are that:

the first gear is provided with a gear ring missing part, the first rotating shaft can automatically transmit, the torque force is small, and the first gear is suitable for being opened and closed by one hand;

the gear parts of the first gear and the second gear are meshed to sequentially drive the third gear and the fourth gear to synchronously rotate, the first rotating shaft synchronously drives the second rotating shaft to reversely rotate, the torsion is large, and the opening and closing of the two hands are suitable;

the two arc-shaped limiting surfaces guarantee the radial assembly angle of the first gear and the second gear, guarantee that the gear ring part of the first gear can be hung on the gear ring part of the second gear, improve the shaking problem and play a role in limiting.

Drawings

Fig. 1 is a schematic structural diagram of a novel dual-axis switching linkage device.

Fig. 2 is another schematic structural diagram of a novel dual-axis switching linkage device.

Fig. 3 is a cross-sectional view of a transmission unit of a novel dual-axis switching linkage.

Fig. 4 is a sectional view of a novel dual-shaft switching linkage device with a limiting wheel set.

Fig. 5 is a schematic view of the rotation state of a novel dual-axis switching linkage device.

Wherein, 1-fixing the bearing frame; 2-a first rotating shaft; 3-a second rotating shaft; 4-a torque force adjustment assembly; 5-an auxiliary gear set; 51-a first gear; 511-gear ring missing part; 52-a second gear; 521-a bump; 5211-a first arcuate limiting surface; 6-a synchronous spur gear set; 61-a third gear; 62-a fourth gear; 7-a limit wheel set; 71-a limit cam; 72-a limit concave wheel; 721-second arc-shaped limiting surface.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention includes:

the utility model provides a novel biax switches linkage, this kind of novel biax switches linkage includes fixed bolster 1, erects in a pair ofly fixed bolster 1 is last first pivot 2 and second pivot 3, install in the torsion adjusting part 4 that first pivot 2 and second pivot 3 stretch out the end, first pivot 2 is fixed with the screen, second pivot 3 is fixed with the system, fixed bolster 1 is put on the shelf and is equipped with and converts first pivot 2 rotary motion into the transmission unit of 3 quiescent conditions of second pivot and synchronous rotary motion, and the quiescent and synchronous rotary motion of second pivot 3 are applicable to operating personnel one hand respectively and open and two kinds of modes that open and shut with both hands, the transmission unit is including meshing driven auxiliary gear set 5 and synchronous spur gear group 6, auxiliary gear set 5 locates including installing on first pivot 2 with its synchronous rotation's first gear 51 and adjustable shelf fixed bolster 1 is last and with first gear 51 partial engaged second gear 52.

The first gear 51 is provided with a gear ring missing part 511 which ensures the self-transmission of the first rotating shaft 2 and does not drive the second rotating shaft 3 to synchronously rotate, the gear ring missing part 511 occupies a rotating area of 0-45 degrees of a rotating surface, the rotating angle of the first rotating shaft 2 is set, the second gear 52 is provided with a projection 521 matched with the gear ring missing part 511, and the projection 521 is provided with a first arc-shaped limiting surface 5211 for the rotation of the gear ring missing part 511, so that the problem of the rotation and the shaking of the first rotating shaft 2 is solved.

The utility model provides a novel biax switches interlock still includes

spacing wheelset

7, 2 tip installation spacing cams 71 of first pivot, 52 tip installation of second gear with spacing concave wheel 72 of spacing cam 71 complex, be equipped with the spacing face 721 of second arc on the spacing concave wheel 72, the radial assembly angle of first gear 51 and second gear 52 is guaranteed to the spacing face of two arcs, guarantees that the ring gear portion of first gear 51 can hang the ring gear portion of second gear 52.

The same-driving straight gear set 6 comprises a third gear 61 and a fourth gear 62, the third gear 61 is movably erected on the fixed bearing frame 1 and is meshed with the gear ring part of the second gear 52, and the fourth gear 62 is installed on the second rotating shaft 3 and is meshed with the third gear 61.

The utility model relates to a novel biax switches interlock during operation, first pivot 2 is fixed with the screen, second pivot 3 is fixed with the system, when opening, the ring gear disappearance 511 of first gear 51 and the spacing face 5211 of first arc of second gear 52 cooperate relatively, first pivot 2 is from biography 45, rotate with the fixed first pivot 2 of screen this moment, and only a set of torsion adjusting part 4 produces torsion, torsion is little, can one-hand operation, open the screen, it reaches 45 backs to, gear hang gear on the second pivot 3 on first gear 51, and drive third gear 61 and fourth gear 62 synchronous rotation, first pivot 2 and the synchronous antiport of second pivot 3 this moment, two sets of torsion adjusting part 4 all produce torsion, torsion is big, certain angle has been opened to screen and system end, the system end is held up to another hand this moment, the combined action is opened to required angle, pin required angle by torsion adjusting part.

The utility model relates to a novel biax switches interlock device, the torsion adjustment realizes switching to the both hands after earlier singlehanded opening and opens, satisfies the use custom, operates steadily, improves the rocking problem.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides a novel biax switches linkage device, including fixed bolster, erect in a pair of first pivot and second pivot on the fixed bolster, install in the torsion adjusting part that first pivot and second pivot stretch out the end, its characterized in that: the fixed bolster put on the shelf be equipped with first pivot rotary motion convert into the transmission unit of second pivot quiescent condition and synchronous revolution, the transmission unit is including meshing driven auxiliary gear group and with moving the spur gear group, auxiliary gear group is located including installing first gear and the adjustable shelf of synchronous revolution with it in first pivot fixed bolster is last and partially meshed second gear with first gear.

2. A novel dual-axis switching linkage as claimed in claim 1, wherein: the gear ring loss part is arranged on the first gear, the first rotating shaft can rotate automatically and does not drive the second rotating shaft to rotate synchronously, a protruding block matched with the gear ring loss part is arranged on the second gear, and a first arc-shaped limiting surface for the gear ring loss part to rotate is arranged on the protruding block.

3. A novel dual-axis switching linkage as claimed in claim 2, wherein: the gear transmission mechanism is characterized by further comprising a limiting wheel set, a limiting cam is mounted at the end portion of the first rotating shaft, a limiting concave wheel matched with the limiting cam is mounted at the end portion of the second gear, and a second arc-shaped limiting surface is arranged on the limiting concave wheel.

4. The novel biaxial switching interlocking device according to claim 1, characterized in that: the synchronous spur gear set comprises a third gear and a fourth gear, the third gear is movably erected on the fixed bearing frame and meshed with a gear ring part of the second gear, and the fourth gear is installed on the second rotating shaft and meshed with the third gear.