TWM594171U - Foldable electronic device - Google Patents

Abstract

A foldable electronic device including a first body, a second body, a first rotating shaft assembled to the first body, a second rotating shaft assembled to the second body, a first gear fixed to the first rotating shaft to be rotated with the first rotating shaft synchronously, a second gear fixed to the second rotating shaft to be rotated with the second rotating shaft synchronously, a third gear, and a fourth gear is provided. The first, the second, the third, and the fourth gears are engaged sequentially to be rotated synchronously, such that the first and the second bodies are folded or unfolded with each other via the rotation of the first, the second, the third, and the fourth gears.

Description

Foldable electronic device

This new creation is about an electronic device, and especially a folding electronic device.

With the continuous advancement of technology, folding electronic devices with flexible screens have gradually become the future development trend, and in such devices, such as smart phones, flexible screens are usually installed on two bodies, and when the When the two bodies are relatively rotated by the rotating shaft to be folded or unfolded, the flexible screen can be switched between the bent state and the unfolded flat state.

However, when the flexible screen is bent, there are changes in the inner and outer circumferences of the bend. Therefore, when designing the rotating shaft mechanism, the change needs to be considered as a consideration, and the rotating shaft mechanism needs to be coordinated. The bending.

The novel creation provides a foldable electronic device whose rotating shaft can provide a synchronous rotation mechanism to complete the folding or unfolding action required by the foldable electronic device.

The folding electronic device created by the novel includes a first body, a second body, a first rotating shaft, a second rotating shaft, a first gear, a second gear, a third gear, and a fourth gear. The first rotating shaft is disposed on the first body, and the second rotating shaft is disposed on the second body. The first gear is fixed to the first rotating shaft to rotate synchronously with the first body, and the second gear is fixed to the second rotating shaft to rotate synchronously with the second body. The third gear and the fourth gear are rotatably meshed together, the first gear and the third gear are rotatably meshed together, and the second gear and the fourth gear are rotatably meshed together. The first body and the second body are synchronously rotated by the first gear, the second gear, the third gear and the fourth gear to be folded or unfolded.

Based on the above, the folding electronic device uses the first rotation shaft, the second rotation shaft and the four gears, wherein the first gear is fixed to the first rotation shaft to synchronize the two, and the second gear is fixed to the second rotation shaft to make the two The synchronous rotation, and then the third gear and the fourth gear are driven to match, so that the two bodies can rotate relative to each other to achieve folding or unfolding (unfolding). The collocation relationship achieves the action of synchronous rotation and opening and closing, so that the folding electronic device averages the force of the body through the synchronous rotation action, so as to effectively avoid damage to the body or related components on the body due to uneven force.

FIG. 1 is a schematic diagram of a folding electronic device according to an embodiment of the novel creation. FIG. 2 is an exploded view of the folding electronic device of FIG. 1. FIG. At the same time, right-angle coordinates X-Y-Z are provided to facilitate component description. Please refer to FIGS. 1 and 2 at the same time. In this embodiment, the folding electronic device 100 includes a first body 110, a second body 120, a hinge module 130, and a flexible screen 140. This embodiment shows a pair of hinge modules Group 130 is used as an example, but not limited to this. The first body 110 and the second body 120 are connected to each other by a rotating shaft module 130, and are opened and closed according to relative rotation. The flexible screen 140 is attached to the first body 110 and the second body 120 to bend or flatten the flexible screen 140 when the first body 110 and the second body 120 rotate.

FIG. 3 is an exploded view of the hinge module of FIG. 2. Please refer to FIGS. 2 and 3 at the same time. Further, the first body 110 includes components 111 and 112 and the lock attachment 113, the second body 120 includes components 121 and 122 and the lock attachment 123, and the rotating shaft module 130 includes the first rotating shaft 131, the second rotating shaft 132, the brackets 133, 134 and the cover 135, wherein the bracket 133 is assembled on the first rotating shaft 131, the bracket 134 is assembled on the second rotating shaft 132, and as can be seen from FIG. 2, the first rotating shaft 131 passes through the component 111 side After the opening 111a of the edge penetrates into the component 111, the components 111 and 112 are assembled together by the bracket 133 and the component 112, and then the components 111 and 112 are assembled together with the lock attachment 113 to complete the setting of the first rotating shaft 131 on the first body 110. Similarly, after the second rotating shaft 132 penetrates into the component 121 through the opening 121a on the side edge of the component 121, the bracket 121 and the component 122 are assembled, and then the components 121 and 122 are assembled together with the lock attachment 123 to complete the first The second rotating shaft 132 is disposed on the second body 120.

Furthermore, the rotating shaft module 130 further includes a first gear G1, a second gear G2, a third gear G3, a fourth gear G4, a stop 136, a washer 137a, a washer 137b, a lock attachment 138a, and a lock attachment 138b, among which A gear G1 is coaxially fixed to the first rotating shaft 131 to rotate synchronously with the first rotating shaft 131, and a second gear G2 is coaxially fixed to the second rotating shaft 132 to rotate synchronously with the second rotating shaft 132. The third gear G3 and the fourth gear G4 are rotatably meshed with each other, wherein the first gear G1 and the third gear G3 are rotatably meshed with each other, and the second gear G2 and the fourth gear G4 are rotatably meshed with each other together. In this way, the first rotating shaft 131 and the second rotating shaft 132 are sequentially connected by the first gear G1, the third gear G3, the fourth gear G4 and the second gear G2, so that the first body 110 and The second body 120 is synchronously rotated by these gears G1 to G4 and then folded or unfolded.

As shown in FIG. 3, the first gear G1, the third gear G3, the fourth gear G4, and the second gear G2 are arranged parallel to each other, and are respectively pivotally connected to the limiting frame 136. In this embodiment, the limiting frame 136 is composed of two limiting pieces 136a and 136b, and the first gear G1, the third gear G3, the fourth gear G4 and the second gear G2 are respectively pivotally connected to the limiting positions Between the pieces 136a and 136b, the first rotating shaft 131 passes through the limiting piece 136a, the first gear G1 and the limiting piece 136b in sequence, and the second rotating shaft 132 passes through the limiting piece 136a, the second gear G2 and the限位片136b. The third gear G3 and the fourth gear G4 are substantially freely pivoted between the limiting pieces 136a, 136b, and serve as driven gears of the first gear G1 or the second gear G2.

In addition, washers 137a, 137b and lock attachments 138a, 138b are also provided on the first rotating shaft 131 and the second rotating shaft 132, which respectively pass through the limit bracket 136. In detail, the washer 137a is sleeved on the first rotating shaft 131 and fixed by the lock attachment 138a. The lock attachment 138a and the first rotating shaft 131 and the second rotating shaft 132 have corresponding thread structures to allow the user to change the lock attachment The positions of 138a on the first rotating shaft 131 and the second rotating shaft 132 respectively allow the user to adjust the friction between the washer 137a and the first rotating shaft 131 according to the degree to which the lock attachment 138a presses the washer 137a. Similarly, the washer 137b is sleeved on the second rotating shaft 132 to provide a fixation with the lock attachment 138b, and the user can adjust the friction between the washer 137b and the second rotating shaft 132 by the pressing degree of the lock attachment 138b against the washer 137b force. In this way, the friction force generated by the washers 137a and 137b and the first and second rotating shafts 131 and 132, respectively, can become the torque required by the rotating shaft module 130 to provide the first body 110 and the second body 120 with relative rotation.

For the rotating shaft module 130, after the above components (including the gears G1 to G4, the limit bracket 136, the washers 137a, 137b, and the lock attachments 138a, 138b) are correspondingly assembled to the first rotating shaft 131 and the second rotating shaft 132, then The cover body 135 is coupled to the outer surface of the limiting frame 136 to complete the assembly of the hinge module 130, and the cover body 135 can also provide a protective effect to the above components smoothly. At the same time, the tooth structure and specifications of the first gear G1, the second gear G2, the third gear G3 and the fourth gear G4 are consistent with each other, so that when the first body 110 is rotated by the first rotating shaft 131, it can pass through the third gear G3, the fourth gear G4 and the second gear G2 produce the effect of synchronous rotation of the second rotating shaft 132 and the second body 120. In other words, no matter the user exerts force on any body, it can produce a synchronous rotation action on the other body.

In addition, the first rotating shaft 131 and the second rotating shaft 132 of this embodiment respectively have notched structures 131a and 132a, and the first gear G1 and the second gear G2 have notched structures 131b and 132b, corresponding to the aforementioned notched structures 131a , The first rotating shaft 131 and the second rotating shaft 132 of 132a. Accordingly, when the first rotating shaft 131 rotates along the X axis, the first gear G1 can be synchronously driven, and when the second rotating shaft 132 rotates along the X axis, the second gear G2 can be synchronously driven. The cutting structures 131a and 132a and the cutting structures 131b and 132b are used to avoid relative rotation between the components.

4 and 5 respectively illustrate partial cross-sectional views of the folding electronic device of FIG. 1 in different states. Please refer to FIGS. 4 and 5 at the same time. With the composition of the shaft module 130, the first body 110 and the second body 120 can be rotated by the shaft module 130 in the X axis to reach the folded or unfolded state. 4 corresponds to the folded electronic device 100 shown in FIG. 1 and is in an unfolded state, and the flexible screen 140 is also in a flat state. As can be clearly seen from FIG. 4, the rotation axis of the first gear G1 is X1, The rotation axis X3 of the third gear G3, the rotation axis X4 of the fourth gear G4, and the rotation axis X2 of the second gear G2 are in a state parallel to each other, and when the flexible screen 140 is bent, the bent The center is based on the center line C1 of the first body 110 and the second body 120 and is directly at the meshing position of the third gear G3 and the fourth gear G4. In this embodiment, the first gear G1 and the second gear G2, the third gear G3 and the fourth gear G4 are substantially in the same plane, regardless of the folded state shown in FIG. 5 or the unfolded state shown in FIG. 4.

6A to 6C are partial schematic diagrams of a folding electronic device according to another embodiment of the present invention. The hinge module 130 is composed as described in the previous embodiment and will not be described again. The difference is that the folding electronic device of this embodiment includes a first screen 241 and a second screen 242, which are respectively disposed in the first body 110 and the second screen机体120。 The body 120. It should be noted that because the hinge module 130 is the same as the previous embodiment, it can provide different directions of rotation mechanisms for the first body 110 and the second body 120, that is, there is no restriction on the rotation direction, which depends on the body The above components provide the corresponding rotation mechanism, but the same is that it still uses the center line C1 as a reference. According to this, unlike the previous embodiment, the flexible screen 140 is bent inwards. The folding electronic device of this embodiment provides the rotation mechanism of the eversion by the hinge module 130. When the first body 110 and the second body 120 rotate and fold, the first screen 241 and the second screen 242 are spaced apart from each other by the first body 110 and the second body 120, as shown in FIG. 6C. When the first body 110 and the second body 120 rotate and unfold, the first screen 241 and the second screen 242 are coplanar, as shown in FIG. 6A.

In summary, in the above-mentioned embodiment of the present invention, the folding electronic device uses the first rotating shaft, the second rotating shaft and the four gears, wherein the first gear is fixed to the first rotating shaft to rotate the two synchronously , The second gear is fixed to the second rotating shaft so that the two rotate synchronously, and then the third gear and the fourth gear are driven to match, so that the two bodies rotate relative to achieve folding or unfolding (unfolding) , The two bodies can achieve the action of synchronous rotation and opening through the matching relationship of these gears. Regardless of whether the user exerts force on any body, it can provide synchronous rotation to the other body, and the rotation direction is not limited. It can adopt the corresponding rotation direction according to the screen arranged on the body. According to this, the foldable electronic device averages the force of the body through the synchronous rotation action, so as to effectively avoid damage to the body or related components on the body due to uneven force.

100: folding electronic device 110: the first body 111, 112, 121, 122: parts 111a, 121a: opening 113, 123, 138a, 138b: lock attachment 120: second body 130: hinge module 131: The first shaft 131a, 132a, 131b, 132b: cutting structure 132: Second shaft 133, 134: bracket 135: Cover 136: Limit frame 136a, 136b: limit film 137a, 137b: washer 140: Flexible screen 241: the first screen 242: Second screen C1: Centerline G1: the first gear G2: second gear G3: third gear G4: fourth gear X1, X2, X3, X4: rotation axis X-Y-Z: right-angle coordinates

FIG. 1 is a schematic diagram of a folding electronic device according to an embodiment of the novel creation. FIG. 2 is an exploded view of the folding electronic device of FIG. 1. FIG. FIG. 3 is an exploded view of the hinge module of FIG. 2. 4 and 5 respectively illustrate partial cross-sectional views of the folding electronic device of FIG. 1 in different states. 6A to 6C are partial schematic diagrams of a folding electronic device according to another embodiment of the present invention.

100: folding electronic device

110: the first body

120: second body

130: hinge module

140: Flexible screen

X-Y-Z: right-angle coordinates

Claims (10)

A foldable electronic device, including: A first body; A first rotating shaft, arranged on the first body; A first gear is coaxially fixed to the first rotating shaft to rotate synchronously with the first rotating shaft; A second body; A second rotating shaft, disposed on the second body; A second gear coaxially fixed to the second rotating shaft to rotate synchronously with the second rotating shaft; and A third gear and a fourth gear are rotatably meshed with each other, the first gear and the third gear are rotatably meshed with each other, the second gear and the fourth gear are rotatably meshed with each other Together, the first body and the second body rotate synchronously to fold or unfold by the first gear, the second gear, the third gear, and the fourth gear. The folding electronic device as described in item 1 of the patent application range, wherein the rotation axis of the first gear, the rotation axis of the second gear, the rotation axis of the third gear and the rotation axis of the fourth gear Parallel to each other. The folding electronic device as described in item 1 of the patent application scope further includes a limit bracket, the first rotating shaft, the first gear, the second rotating shaft, the second gear, the third gear and the fourth The gears are respectively pivoted on the limit frame. The folding electronic device as described in item 3 of the patent application scope further includes a plurality of washers and a plurality of lock accessories, the washers are respectively threaded on the first rotating shaft and the second rotating shaft, and the locking accessories are respectively locked and attached The first rotating shaft and the second rotating shaft are used to adjust the friction between the washers and the first rotating shaft and the second rotating shaft, respectively. The folding electronic device as described in item 1 of the patent application scope, wherein the first gear is sleeved on the first rotating shaft, and the first gear and the first rotating shaft are combined with each other by a notch structure to avoid relative rotation . The folding electronic device as described in item 1 of the patent application scope, wherein the second gear is sleeved on the second rotating shaft, and the second gear and the second rotating shaft are combined with each other by another notch structure to avoid Relative rotation. The folding electronic device as described in item 1 of the patent application scope further includes a flexible screen attached to the first body and the second body, and the first body and the second body rotate synchronously to bend or Flatten the flexible screen. The folding electronic device as described in item 7 of the patent application range, wherein when the flexible screen is bent, the center of the bending is directly at the meshing position of the third gear and the fourth gear. The folding electronic device as described in item 1 of the patent application scope further includes a first screen and a second screen, which are respectively disposed on the first body and the second body, when the first body and the second body When folded, the first screen and the second screen are separated from each other by the first body and the second body, and when the first body and the second body are unfolded, the first screen and the second screen The same plane. The folding electronic device as described in item 1 of the patent application scope, wherein the first gear, the second gear, the third gear and the fourth gear are coplanar.

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