CN203441960U - Two-axis synchronous torque pivot - Google Patents

Abstract

A biaxial simultaneous-action torque pivot device is provided with a first pivot and a second pivot, a first positioning partition plate and a second positioning partition plate which are separated from each other are respectively sleeved on the shaft bodies of the first pivot and the second pivot, a first guide screw rod and a second guide screw rod which are opposite and rotate in a linked manner with the first pivot and the second pivot are sleeved on the shaft bodies of the first pivot and the second pivot between the first positioning partition plate and the second positioning partition plate, and the first guide screw rod and the second guide screw rod are provided with opposite threads; a guide screw is arranged between the first guide screw and the second guide screw and is respectively in tooth joint linkage with the opposite screw threads of the first guide screw and the second guide screw, so that when one pivot rotates under stress, the other pivot synchronously rotates, and the opening and closing of the double-shaft pivot device are faster and more convenient.

Description

Two-axis synchronous torque pivot

technical field

The utility model relates to a dual-axis co-moving torsion pivot device. When an electronic device assembled with a dual-axis pivot device is rotated under force, the other pivot rotates synchronously and simultaneously, and can be rotated through a single pivot. The rotation forms a double action stroke, which makes the opening and closing of electronic equipment faster and more convenient.

Background technique

Taking electronic equipment such as notebook computers as an example, it generally includes a host system end (host) and a liquid crystal display screen end (top cover) that can be opened, and the two are connected by a pivot at an opposite end. , for the operation of the liquid crystal display screen that can lift the upper cover with the pivot as the action axis when in use, or reversely close the two when not in use.

This type of electronic device such as a notebook computer can form a small volume when closed, which is convenient for users to carry around. Compared with ordinary desktop computers, this type of foldable electronic device has the advantage of high mobility and has been used in It has been sold in the market for many years, especially the notebook computers produced and sold by related Taiwanese manufacturers occupy a decisive proportion in the world.

However, the tablet computer (ipad) released by Apple Inc. in April 2011 is only about the size of the top cover of a notebook computer, making it more convenient to carry around. The rise of the tablet computer (ipad) affects the ecology and usage of mobile electronic devices such as notebook computers. At present, there is a design that can separate the upper cover of this type of mobile electronic device from the host system end, so that the upper cover can be carried and used independently, which has the advantages of a tablet computer, or through the setting of a biaxial pivot, the upper cover can be used independently. The cover and the main body can be folded and stacked at a greater angle to form a flat plate, providing a type of operation and use like a tablet computer.

The structure of the existing double-axis pivot device mainly has a first rotating shaft that rotates with the upper cover, and a second rotating shaft that rotates with the base of the main machine. At the same time, in order to make the two rotating shafts rotate synchronously, two There is a relevant gear mechanism on the rotating shaft. For related patents, please refer to Taiwan's new patents M396575 "hinge structure" and M388823 "two-axis linkage hinge". However, when the existing two-axis pivots are opened at a relatively large angle, or when the display end of the upper cover and the base end of the main unit are to be folded into an overlapping state, one of the axes is usually rotated to a specific angle, and then Switch to another axis of rotation, and the turning action of the upper cover and the main unit is relatively slow and unsmooth.

Utility model content

The main purpose of the utility model is to provide a dual-axis co-moving torsion pivot device, which can make the electronic equipment using this type of dual-axis pivot device faster and more convenient due to the linkage stroke, and make the opening and closing control of the electronic equipment easier. For stability and smoothness.

In order to achieve the above purpose, the utility model discloses a dual-axis co-moving torsion pivot, which is characterized in that: it includes a first pivot and a second pivot, and the first pivot and the second pivot A first positioning partition and a second positioning partition that do not rotate with the first pivot and the second pivot are respectively sleeved on the shaft body of the shaft, and are positioned on the first positioning partition and the second positioning partition. Two opposite first lead screw rods and second lead screw rods are sleeved on the shafts of the first pivot shaft and the second pivot shaft between the partitions to rotate in conjunction with the first pivot shaft and the second pivot shaft. The first lead screw and the second lead screw are provided with relative reverse threads; a lead screw is arranged between the first lead screw and the second lead screw and is opposite to the first lead screw and the second lead screw respectively The reverse thread teeth move in succession.

Wherein, the first pivot shaft and the second pivot shaft are respectively assembled at one end to be combined and fixed on a fixed piece of an electronic device; A through hole and a second through hole are used to pass through the first pivot through the relative first through hole and pass through the second pivot through the relative second through hole respectively; A shaft hole is respectively provided between the first through hole and the second through hole of the second positioning partition; an intermediate shaft containing a set diameter shaft is arranged on the first positioning partition and the second positioning partition. Position between the partitions, and make the two ends of the intermediate fulcrum respectively pivotally connected to the fulcrum hole for the set of the guide screw, the guide screw is provided with a central hole, and the central hole The movable sleeve is arranged on the shaft body of the intermediate support shaft.

Wherein, the electronic device is a notebook computer including a display terminal on a cover and a base of a host.

Wherein, the shaft rods of the first pivot shaft and the second pivot shaft are configured to have a cross-sectional shape with a cut plane, and the first lead screw rod and the second lead screw rod are provided with a central hole with the same cross-sectional shape to be combined and interlocked.

Wherein, the first positioning partition and the second positioning partition are provided with relative circular holes having a cross-sectional shape of a plane with the first pivot and the second pivot without following the first pivot and the second pivot. Pivot.

Through the above-mentioned structure, the utility model provides an improved dual-axis co-moving torsion pivot. Through the synchronous linkage mechanism, the dual-axis of this type of pivot can be synchronously actuated, so that the use of this type The electronic equipment is faster and more convenient in operation, and the action is more stable and smooth.

Description of drawings

Fig. 1 shows a perspective view of a preferred embodiment of the utility model.

FIG. 2 shows an exploded view of the three-dimensional components in FIG. 1 .

FIG. 3 shows a front view of FIG. 1 .

Fig. 4 shows a schematic diagram of the planar action state of the utility model.

FIG. 5 shows an enlarged perspective view of FIG. 1 , wherein one side of the positioning plate is an imaginary line to show the internal related structures.

FIG. 6 shows a schematic diagram of the action state as in FIG. 5 .

Detailed ways

The novelty and other characteristics of the utility model will become clearer with the detailed description of the preferred embodiments of the accompanying drawings.

In the illustrated feasible embodiment, as shown in Figures 1 to 3, the utility model is provided with a first pivot 10 and a relative second pivot 20, the first pivot 10 and the second pivot 20 Fixing pieces 11 and 21 are respectively assembled at one end for respectively combining and fixing on the upper cover display end and the base of the main unit of an electronic device (such as a notebook computer); the other ends of the first pivot 10 and the second pivot 20 can be used for Sockets such as opposite concave wheels and cams, elastic means and fixing means to jointly form a required pivot.

In the utility model, a first positioning partition 13 and a second positioning partition 14 are sleeved on the first pivot 10 and the second pivot 20 with a set distance relative to each other. The first positioning partition 13 and the second positioning partition 14 are respectively provided with up and down opposite first through holes 131, 141 and second through holes 132, 142 for respectively passing through the first pivot 10 and the second pivot 20, in this embodiment , the first pivot 10 passes through the opposite first through holes 131, 141, the second pivot 20 passes through the opposite second through holes 132, 142, and at the same time, the first pivot 10 and the second pivot 20 are set as Containing the cross-sectional shape of the cut plane, the first through holes 131, 141 and the second through holes 132, 142 are circular holes, so that when the first pivot 10 and the second pivot 20 are rotated, the first positioning partition 13 and The second positioning partition 14 does not rotate along with the first pivot 10 and the second pivot 20 . Meanwhile, pivot holes 133 , 143 are respectively provided between the first through holes 131 , 141 and second through holes 132 , 142 of the first positioning partition 13 and the second positioning partition 14 .

An intermediate support shaft 15 is arranged between the first positioning partition 13 and the second positioning partition 14, and the two ends 151, 152 are pivotally connected to the support shaft holes 133, 143 respectively, and one is provided with The guide screw 16 with a specific thread thread is movably sleeved on the shaft body of the middle shaft 15 through the preset central hole 161 slightly larger than the shaft body diameter of the middle shaft 15 .

A first lead screw 17 provided with threads of a specific length is also arranged between the first positioning partition 13 and the second positioning partition 14, and is sleeved through the first positioning partition 13 and the second positioning partition 14. The first pivot shaft 10 between the shafts is combined and interlocked, and its preset thread teeth are connected to the thread of the lead screw 16; The two lead screws 18 are also arranged between the first positioning partition 13 and the second positioning partition 14, and are sleeved on the second pivot 20 passing between the first positioning partition 13 and the second positioning partition 14. The shaft is combined and interlocked, and its preset thread is also tooth-connected and interlocked with the thread of the lead screw 16 .

In the illustrated feasible embodiment, the reverse thread can be, for example: when the thread of the first lead screw 17 is left-handed, the second lead screw 18 is right-handed. At the same time, the preset central holes 171, 181 of the first lead screw 17 and the second lead screw 18 for being sleeved on the first pivot 10 and the second pivot 20 can be set to be aligned with the first pivot 10 and the second pivot. The shaft body of the shaft 20 has the same cross-sectional shape (in this embodiment, the central holes 171 and 181 are also set as inner holes with cut planes) for forming a linkage combination structure. As shown in FIG. 5 , the above-mentioned first lead screw 17 and second lead screw 18 with opposite threads are shown, and the helix starting point 30 of the entire thread can be used as a travel limit point for blocking.

As shown in Figures 4 to 6, when the upper cover display end of the electronic device (such as a notebook computer) and the host base are in the closed state (as shown in Figures 1, 3 and 5), the guide screw of the intermediate shaft 15 Part 16 is located on one side of the shaft body (the left side of this embodiment, when one of the display end of the upper cover or the base of the main unit rotates, the fixed pieces 11, 21 will be linked together to make the first pivot 10 and the second pivot 20 are respectively forced to rotate; taking the display end of the upper cover of the electronic device as an example, the first pivot 10 and its fixed piece 11 rotate synchronously, so that the first lead screw 17 rotates clockwise as shown by the arrow in the figure, and the lead screw Part 16 will rotate and move towards the other side of the middle support shaft 15 due to the force, and the rotating lead screw 16 will synchronously drive the second lead screw 18, so that the second lead screw 18 will produce the shape shown by the arrow in the figure. Rotating counterclockwise, the entire second pivot 20 is forced to rotate in the opposite direction; that is, as long as one of the pivots rotates under force, the other relative pivot rotates synchronously in the opposite direction. For example, it is used in electronic equipment (such as a notebook computer), when the display end of the upper cover is opened, the base of the main unit will be unfolded synchronously and reversely. If the display end of the upper cover is opened 90 degrees, the base of the main unit will be unfolded 90 degrees synchronously and reversely. , and unfolded together into 180 degrees, similarly, when one of the components of the electronic device is turned over 180 degrees, both of them have been folded together into 360 degrees stacked against each other, becoming a use state similar to a tablet computer.

Therefore, the utility model provides an improved dual-axis co-moving torsion pivot device. Through the synchronous linkage mechanism, the dual-axis of this type of pivot device can be synchronously actuated, so that the electronic equipment using this type of dual-axis pivot device can It is faster and more convenient in operation, and the movement is more stable and smooth.

The above embodiment is only used to illustrate the utility model for convenience, and is not intended to limit it. Various simple deformations and modifications that can be made by those skilled in the art according to the embodiment should still be included in the scope of the following patent application.

Claims (5)

1. A dual-axis synchronous torsion pivot device, characterized in that: it includes a first pivot and a second pivot, and two shafts are respectively sleeved on the shafts of the first pivot and the second pivot. Separate a first positioning partition and a second positioning partition that do not rotate with the first pivot and the second pivot, and the first pivot between the first positioning partition and the second positioning partition Two opposite first lead screw rods and second lead screw rods that rotate in conjunction with the first pivot shaft and the second pivot shaft are sleeved on the shaft body of the shaft and the second pivot shaft, and the first lead screw rod and the second lead screw rod The screw rod is provided with relative reverse threads; a lead screw is arranged between the first lead screw and the second lead screw and is connected with the relative reverse threads of the first lead screw and the second lead screw respectively. 2. The dual-axis co-moving torsion pivot device as claimed in claim 1, wherein the first pivot and the second pivot are respectively connected at one end to a fixed plate fixed to an electronic device; The first positioning partition and the second positioning partition are respectively provided with a first through hole and a second through hole opposite up and down for passing through the first pivot through the relative first through hole and through the relative first through hole respectively. The second through hole passes through the second pivot; a pivot hole is respectively provided between the relative first through hole and the second through hole of the first positioning dividing plate and the second positioning dividing plate; The middle support shaft of the diameter shaft is arranged between the first positioning partition and the second positioning partition, and the two ends of the middle support shaft are respectively pivotally connected to the support shaft holes for the sleeve of the guide. A screw, the guide screw is provided with a central hole, and is movably sleeved on the shaft body of the intermediate support shaft through the central hole. 3 . The dual-axis co-moving torsion pivot device according to claim 2 , wherein the electronic device is a notebook computer including a display terminal on a top cover and a base of a main unit. 4 . 4. The double-axis co-moving torsion pivot device as claimed in claim 1, wherein the shaft rods of the first pivot and the second pivot are set to have a cross-sectional shape with a cut plane, and the first lead screw And the second lead screw rod is provided with the central hole with the same cross-sectional shape to combine and interlock. 5. The dual-axis co-moving torsion pivot device as claimed in claim 4, wherein the first positioning partition and the second positioning partition are provided with a cutting edge with the first pivot and the second pivot. The relatively circular hole with a planar cross-sectional shape does not rotate with the first pivot and the second pivot.

Images