CN203948431U - Transmission mechanism of double-shaft simultaneous-action torsion pivoting device - Google Patents

Abstract

A transmission mechanism of a double-shaft co-acting torsion pivot device is characterized in that a first transmission gear and a second transmission gear which are co-acting with a double shaft are arranged between two opposite partition plates of a double-shaft torsion pivot device, the upper end surface and the lower end surface of a rack are provided with tooth-shaped parts which are in meshed linkage with the first transmission gear and the second transmission gear, and the two ends of the rack are movably assembled between preset opposite guide grooves; therefore, when the double shafts are opened or closed by the electronic equipment, the racks are driven to generate horizontal displacement between the opposite guide channels, the first transmission gear and the second transmission gear are enabled to be linked with the double shafts, and a more simplified double-shaft synchronous transmission mechanism of the torsion pivot device is formed for synchronously opening or closing the display end and the system end of the electronic equipment.

Description

Two-axis synchronous torsion pivot drive mechanism

technical field

The utility model relates to a transmission mechanism of a dual-axis co-moving torque pivot, which can form a synchronous rotation of two axes through a simplified transmission mechanism, so that the opening and closing rotation process of this type of dual-axis torque pivot is more rapid and smooth, and more efficient. It is beneficial to be installed in a narrow internal space and is conducive to the thinning of equipment.

Background technique

At present, the upper cover of the display screen of a mobile electronic device such as a notebook computer and the host system end can be set through a two-axis pivot, so that the display screen of the upper cover of an electronic device such as a notebook computer can not only be positioned at each In addition to operating at different angles, the display terminal and the system terminal can be bent and stacked at a large angle such as 360° to form a flat plate, providing a deformed use mode.

The conventional structure of this type of biaxial pivot device mainly uses a first rotating shaft to rotate together with the display screen of the upper cover, and a second rotating shaft to rotate together with the host system end. However, when the conventional two-axis pivot is opened at a large angle, or when the display end and the system end are folded over 360°, one of the axes is usually rotated to a specific angle, and then switched to the other axis. Rotation, except that the synchronous folding mechanism of the entire display end and the system end is quite complicated, the manufacture and assembly are also more laborious, and the overall manufacturing cost is also higher.

Simultaneously, in this kind of two-axis pivoting device, it is necessary to convert the rotation action between the two axes, which involves the installation of a complicated rotation transformation mechanism between the two axes, because the two-axis rotation controller has many components and requires Installed in a narrow and limited space, the use of a complicated rotation transformation mechanism will not be conducive to the thinning of the entire electronic device.

Utility model content

The purpose of this utility model is to provide a dual-axis synchronous torque pivot device transmission mechanism, which forms a dual-axis synchronous rotation mechanism on this type of torque pivot device through simplified gears and racks, so that the dual-axis torque pivot device can be opened Or the closing and turning process is faster and smoother, which is more conducive to being installed in a narrow internal space and is conducive to the thinning of such electronic equipment.

In order to achieve the above purpose, the utility model discloses a dual-axis co-moving torque pivot transmission mechanism, which is characterized in that it includes:

A first pivot and a relative second pivot, the first pivot and the second pivot are respectively assembled with a fixed piece at one end so as to be respectively combined and fixed on the upper cover display end and the host system end of an electronic device ; The other ends of the first pivot and the second pivot are sequentially socketed to the torsion pivot member, and are movably fitted with a first positioning partition and a second positioning partition that are relatively separated by a set distance, The first positioning partition and the second positioning partition are positioned with at least one set of relative supporting shafts and are provided with relative guiding channels;

A first transmission gear and a second transmission gear are arranged oppositely between the first positioning partition and the second positioning partition, and the first transmission gear and the second transmission gear are respectively connected to the first transmission gear. The combination of the pivot and the second pivot;

A rack is provided between the first transmission gear and the second transmission gear, and the upper and lower ends of the rack are respectively provided with toothed parts, and the toothed parts at the upper and lower ends of the rack are respectively connected to the first transmission gear and the second transmission gear. The second transmission gear meshes and moves, and the two ends of the rack are respectively provided with movable assemblies connected in the guide grooves of the first positioning partition and the second positioning partition and can be moved back and forth on the said first positioning partition and the second positioning partition. Slider for guide channels.

Wherein, the first transmission gear, the second transmission gear and the rack are spur gear meshing structures.

Wherein, the first transmission gear, the second transmission gear and the rack are helical gear meshing structures.

Wherein, the first transmission gear, the second transmission gear and the rack are herringbone gear meshing structures.

Wherein, the outer end surface of the second positioning partition is further provided with a cross plate, and at least one rotation angle positioning device of the torsion pivot is formed between the outer side of the cross plate and the torsion pivot member.

Wherein, the cross plate is preset with at least one concave-convex surface on the outside, the torsion pivot member is provided with a corresponding individual concave-cam, and the concave-convex surface of the cross plate abuts against the relative individual concave-cam to form a torsion force Pivot angle positioning device.

Wherein, at least one shielding sheath is further provided on the outer periphery of the first and second positioning partitions and the torsion pivot member, and the sheath is combined with the cross plate.

Through the above-mentioned structure, the utility model forms a two-axis synchronous rotation mechanism on the torsion pivot with a simplified gear set, so that the electronic equipment such as a notebook computer can be opened or closed more quickly and smoothly, and the double-axis rotation mechanism can also be avoided. The relevant conversion mechanism that must be exchanged is more conducive to being installed in a narrow internal space and is conducive to further thinning of electronic equipment.

Description of drawings

Figure 1: shows a perspective view of a preferred embodiment of the present invention.

Figure 2: An exploded view showing the components of Figure 1.

Figure 3: A cross-sectional view showing a partial component of Figure 1.

Figure 4: An enlarged schematic diagram showing the combined state of the transmission components of the present invention.

Figure 5: Schematic diagram showing the action of the utility model in the dual-axis simultaneous motion state.

Fig. 6: An exploded view of partial components showing another possible implementation of the utility model.

Fig. 7: A three-dimensional sectional view showing the assembled state of Fig. 6 .

Fig. 8: A cross-sectional view showing the assembly of partial components in another possible embodiment of the utility model.

Detailed ways

As shown in Figures 1 to 3, in the illustrated feasible embodiment, 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 respectively assemble the fixing pieces 11 and 21 at one end, for respectively combining and fixing on the upper cover display end and the host system end of electronic devices such as notebook computers; the other ends of the first pivot 10 and the second pivot 20 are The torsion pivot member 30 such as concave wheel or cam, the elastic device and the fixing device can be socketed in sequence to form a dual-axis co-moving torsion pivot.

The first pivot shaft 10 and the second pivot shaft 20 are respectively sleeved on the other end of the torsion pivot member 30 with a first positioning partition 13 and a second positioning partition 14 that are separated by a set distance. , In this embodiment, the outer end surface of the second positioning partition 14 is further provided with a cross plate 12 . The first positioning partition 13 and the second positioning partition 14 are respectively provided with first through holes 131, 141 and second through holes 132, 142 opposite up and down for passing through the first pivot 10 and the second pivot respectively. 20; At the same time, relative guides for setting horizontal lengths are respectively provided between the first positioning partition plate 13 and the second positioning partition plate 14 up and down relative to the first through holes 131, 141 and the second through holes 132, 142. The guiding channels 133 , 143 , and the upper and lower opposite support shaft holes 134 , 135 , 144 , 145 arranged on the first positioning partition 13 and the second positioning partition 14 .

In this embodiment, the first pivot 10 passes through the opposite first through holes 131, 141, and the second pivot 20 passes through the opposite second through holes 132, 142. Meanwhile, the first pivot 10 and the second The second pivot 20 is set to have a cross-sectional shape with a cut plane, and 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 rotate, the second The first positioning partition 13 and the second positioning partition 14 will not rotate along with the first pivot 10 and the second pivot 20 . At the same time, positioning support shafts 136, 146 can be respectively assembled in the upper and lower relative shaft holes 134, 135, 144, 145 of the first positioning partition 13 and the second positioning partition 14.

Between the first positioning partition 13 and the second positioning partition 14, there are two opposite first transmission gears 40 and a second transmission gear 50 set vertically apart, so that the first transmission gear 40 and the second transmission gear 50 are respectively combined with the first pivot 10 and the second pivot 20; in this embodiment, the first transmission gear 40 and the second transmission gear 50 are respectively provided with The first pivot shaft 10 and the second pivot shaft 20 have central holes 41 and 51 in the same section for connecting and moving with each other; at the same time, between the first transmission gear 40 and the second transmission gear 50, a A rack 60, the upper and lower ends of the rack 60 are respectively provided with toothed parts, and the surfaces of the toothed parts at the upper and lower ends of the rack 60 mesh with the first transmission gear 40 and the second transmission gear 50 respectively. Both ends of the rack 60 are respectively provided with sliders 61, 62 whose horizontal length is less than the horizontal length of the first positioning partition 13 and the second positioning partition 14 relative to the guide grooves 133, 143. 61 and 62 are normally assembled in the guide channels 133 and 143 (as shown in Figure 3 and Figure 4 ) with relatively short lengths, and can move left and right in the guide channels 133 and 143 due to force. 143.

The cross plate 12 is respectively provided with through holes 121, 122 at the upper and lower ends for respectively passing through the first pivot 10 and the second pivot 20 to connect the torsion pivot member 30 in series. Position holes 123, 124; in this embodiment, the cross plate 12 can have concave cam surfaces 125, 126 on an outer side, so as to abut against the relative individual concave cam wheels 31, 126 of the torsion pivot member 30 32, forming the rotation angle positioning device of the torsion pivot.

As shown in Fig. 5, when the display end of the upper cover or the host system end of an electronic device such as a notebook computer is opened and rotated according to the above-mentioned structure, the first pivot 10 or the second pivot 20 will be As an example, the first pivot shaft 10 drives the first transmission gear 40 to rotate in the direction of arrow A. The first transmission gear 40 will synchronously rotate the rack 60 to make the gear The bar 60 produces a horizontal displacement between the relative guide grooves 133 and 143 along the direction of the arrow B, and the lower end of the rack 60 thus links the second transmission gear 50 so that the second transmission gear 50 moves in the direction opposite to the direction of the arrow A. Rotate in the direction of the arrow C and link the second pivot 20 to open or close in the opposite direction to the first pivot 10, so that the entire torsion pivot forms a dual-axis synchronous linkage function.

In another possible embodiment of the utility model shown in Fig. 6 and Fig. 7, a sheath 70 for shielding can be further set, and the sheath 70 can be set as hollow and the end surface is set to match the second The shape of the positioning partition 14 can fit over the first positioning partition and the second positioning partition and the outer periphery of the torsion pivot member 30, and the sheath 70 is locked on the said sheath 70 with a fixing element such as a bolt 71. The positioning holes 123 and 124 are preset on both sides of the cross plate 12 (only one of the positioning holes 123 is shown in the figure).

In each relevant embodiment (Fig. 1 to Fig. 7) disclosed above, although the first transmission gear 40, the second transmission gear 50 and the rack 60 adopt a spur gear meshing structure, this is not a limitation; as shown in Fig. 8 , the first transmission gear 400, the second transmission gear 500 and the rack 600 may also adopt a helical gear engagement structure; of course, a herringbone gear engagement structure may also be used.

Therefore, the utility model can form a two-axis synchronous rotation mechanism on the torsion pivot with a simplified gear set, so that the electronic equipment such as a notebook computer can be opened or closed more quickly and smoothly, and it can also avoid the need to exchange the two axes. The relevant conversion mechanism is more conducive to being installed in a narrow internal space and is conducive to further thinning of electronic equipment.

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 (8)

1. twin shaft, with a moving torque pivot device driving mechanism, is characterized in that comprising:

One first pivot and a second relative pivot, the first described pivot and the second pivot connect fixed plate to combine respectively the upper cover display end and the host computer system end that are fixed on an electronic equipment respectively at one end group; The another end of described the first pivot and the second pivot is sequentially socketed torque pivot device member, and movable fit two one first grid spacer and one second grid spacer of separation setpoint distance relatively, relative guiding conduit is at least located and be provided with to described the first grid spacer and the second grid spacer with more than one group relative fulcrum;

Between described the first grid spacer and the second grid spacer, be provided with two one first driving gear being oppositely arranged and one second driving gears, described the first driving gear and the second driving gear combine interlock with described the first pivot and the second pivot respectively;

Between described the first driving gear and the second driving gear, be provided with a tooth bar, the upper and lower end of described tooth bar is respectively equipped with tooth-like part, the tooth-like part of described tooth bar upper and lower end respectively with described the first driving gear and the second driving gear bridle joint interlock, the two ends of described tooth bar be respectively equipped with movable assembling joint in the guiding conduit of described the first grid spacer and the second grid spacer and can be stressed and shift reciprocately in the slider of described guiding conduit.

2. twin shaft as claimed in claim 1, with moving torque pivot device driving mechanism, is characterized in that, described the first driving gear, the second driving gear and tooth bar are spur wheel bridle joint structure.

3. twin shaft as claimed in claim 1, with moving torque pivot device driving mechanism, is characterized in that, described the first driving gear, the second driving gear and tooth bar are helical gear bridle joint structure.

4. twin shaft as claimed in claim 2, with moving torque pivot device driving mechanism, is characterized in that, described the first driving gear, the second driving gear and tooth bar are herringbone gear bridle joint structure.

5. twin shaft as claimed in claim 1 is with moving torque pivot device driving mechanism, it is characterized in that, described the second grid spacer exterior edge face is further provided with a four-bladed vane, forms the rotation angle positioning device of at least one torque pivot device between the outside of described four-bladed vane and described torque pivot device member.

6. twin shaft as claimed in claim 5 is with moving torque pivot device driving mechanism, it is characterized in that, described four-bladed vane is default at least one concave surface in outside, described torque pivot device member is provided with relatively individual concave, and be abutted against in described relatively individual concave to form the rotation angle positioning device of torque pivot device on the concave surface of described four-bladed vane.

7. twin shaft moves together torque pivot device driving mechanism as claimed in claim 5, it is characterized in that, the periphery of described the first grid spacer and the second grid spacer and torque pivot device member is further provided with at least one sheath that covers, and described sheath is combined in described four-bladed vane.

8. twin shaft moves together torque pivot device driving mechanism as claimed in claim 6, it is characterized in that, the periphery of described the first grid spacer and the second grid spacer and torque pivot device member is further provided with at least one sheath that covers, and described sheath is combined in described four-bladed vane.