Flexible screen folding electronic terminal and hinge

Abstract

The utility model provides a kind of flexible screen folding electronic terminal's hinge, left side connecting arm and right side connecting arm are rotatably installed in the two sides of middle support, left side sliding frame and right side sliding frame are respectively slidably connected with left side connecting arm and right side connecting arm, left side and right side sliding frame are respectively set with the part of the left side and right side shell connection of flexible screen folding electronic terminal;The hinge is further provided with left side push-pull connecting rod and right side push-pull connecting rod, left side and right side push-pull connecting rod are rotatably installed in the two sides of middle support, left side and right side sliding frame are respectively movably connected with the second end of left side and right side push-pull connecting rod, the mechanism of elastic top sliding frame is respectively arranged between left side and left side sliding frame and between right side and right side sliding frame;The utility model can be when flexible screen is flattened, outwardly tension flexible screen to make it have certain prestress, improve the experience of touch control operation, and also help to eliminate the residual crease in flexible screen middle;And the gap between the parts of itself can be eliminated, improve precision.

Description

Technical Field

[0001] This utility model relates to a flexible screen folding electronic terminal and a hinge. The flexible screen folding electronic terminal can be a mobile phone, a laptop computer, etc. Background Technology

[0002] In flexible foldable electronic devices, the increasing demand for thinness inevitably leads to interference between the central flexible screen support plate and hinge components, necessitating the creation of openings in the central support plate. Furthermore, in some structures using two movable support plates to support the central flexible screen, gaps also exist between the two plates. All of these factors negatively impact the user experience of touching the central flexible screen.

[0003] Furthermore, after a period of use, the flexible screen in flexible foldable electronic terminals will generally have residual creases in the middle. When the flexible screen is unfolded, these residual creases have a significant impact on improving the user experience. Utility Model Content

[0004] The purpose of this invention is to provide a hinge for a flexible screen folding electronic terminal, which can tension the flexible screen when the flexible screen folding electronic terminal is in a flattened state, thereby at least partially improving the user experience of touch operation in the middle of the flexible screen and at least alleviating the problem of creases in the middle. To this end, this invention adopts the following technical solution:

[0005] The hinge of the flexible screen foldable electronic terminal includes a left connecting arm and a right connecting arm, as well as a left sliding bracket and a right sliding bracket. The left and right connecting arms are rotatably mounted on both sides of the central support. The left and right sliding brackets are slidably connected to the left and right connecting arms, respectively. The left and right sliding brackets can slide along rotation axes perpendicular to the left and right connecting arms, respectively, when the flexible screen foldable electronic terminal is opened and folded. The left and right sliding brackets are respectively provided with connection points to the left and right shells of the flexible screen foldable electronic terminal. The hinge also includes a left push-pull mechanism. The left and right push-pull links are rotatably mounted on both sides of the central support. The left and right sliding frames are movably connected to the second ends of the left and right push-pull links, respectively. The movably connected structure adopts the fit of a waist-shaped hole and a shaft. The left push-pull link and the left sliding frame and the right push-pull link and the right sliding frame are respectively provided with elastic top sliding frame mechanisms. When the hinge is in the flattened state corresponding to the flexible screen folding electronic terminal, the elastic top sliding frame mechanisms on the left and right sides respectively push the left and right sliding frames away from the central support.

[0006] Based on the above technical solution, the present invention may also adopt the following further technical solutions, or combine these further technical solutions:

[0007] The left and right sliding frames are respectively provided with the waist-shaped holes, and the length direction of the waist-shaped holes of the left and right sliding frames is consistent with the sliding direction of the left and right sliding frames, respectively.

[0008] The left and right push-pull links are each equipped with a cam, which acts on the elastic top sliding frame mechanism when the left and right push-pull links rotate.

[0009] The mechanism of the elastic top sliding frame uses an elastic element, or is a mechanism consisting of an elastic element and a mechanical connection structure. The elastic element can be selected from a range of types, including a wire spring, a sheet spring, a disc spring, and a rubber block. The wire spring is configured as a compression spring or a torsion spring.

[0010] The second ends of the left and right push-pull linkages are provided with cams, so that the cams rotate synchronously with the push-pull linkages connected to them about the rotation axis of the second end of the push-pull linkage. The left and right sliding frames are provided with receiving parts of the mechanism of the elastic top sliding frame. The receiving parts are provided with the action parts facing the cam surface. The mechanism of the elastic top sliding frame is located between the action parts and the cam surface.

[0011] The left and right connecting arms are connected by a synchronous reverse rotation connection structure.

[0012] By adopting the technical solution of this utility model, the flexible screen can be stretched outwards to give it a certain prestress when it is unfolded, which can provide better reaction force for touch operation and make it less likely for the operator to feel the unsupported part on the back of the flexible screen, thus improving the touch operation experience. It also helps to eliminate residual creases in the middle of the flexible screen. Furthermore, this outward stretching movement does not interfere with the folding and unfolding movement of the flexible screen folding electronic terminal, and can eliminate the gaps between its own parts, thus improving precision. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the flexible screen folding electronic terminal embodiment of the present invention viewed from the back in its flattened state.

[0014] Figure 2 An exploded view of the structure of an embodiment of the flexible screen folding electronic terminal using this utility model.

[0015] Figure 3 This is a cross-sectional view of the flexible screen folding electronic terminal embodiment of the present invention in its flattened state.

[0016] Figure 4 This is an exploded view of the structure of the flexible screen folding electronic terminal hinge of this utility model.

[0017] Figure 5 This is a cross-sectional view of the flexible screen folding electronic terminal hinge of this utility model in its flattened state.

[0018] Figures 6 to 9 These are schematic diagrams of the back of the flexible screen folding electronic terminal hinge of this utility model, showing different implementations of the hinge with different elastic elements, in their respective flattened states.

[0019] Figure 10 This is a cross-sectional view of the folded state of an embodiment of the flexible screen foldable electronic terminal using this utility model. Detailed Implementation

[0020] Reference Figures 1-10 The hinge of the flexible screen folding electronic terminal provided by this utility model includes a left connecting arm 11 and a right connecting arm 12, as well as a left sliding frame 21 and a right sliding frame 22. The left connecting arm 11 and the right connecting arm 12 are rotatably mounted on both sides of a central support 200, which is fixed in the middle shell of the flexible screen folding electronic terminal. The flexible screen folding electronic terminal includes a left shell 201, a right shell 202, a flexible screen 300, and the hinge. The left shell 201 and the right shell 202 contain flexible screen support plates. The flexible screen 300 is disposed on the inner side of the flexible screen folding electronic terminal and is connected to the left shell 201 and the right shell 202 respectively. The left shell 201 and the right shell 202 are connected to the hinge of this utility model, enabling the flexible screen to be folded and flattened. The left sliding bracket 21 and the right sliding bracket 22 are respectively provided with parts that connect to the left housing 201 and the right housing 202, such as screw connection parts 210 and 220, which are connected to the left housing 201 and the right housing 202.

[0021] The left sliding frame 21 and the right sliding frame 22 are slidably connected to the left connecting arm 11 and the right connecting arm 12, respectively. The left sliding frame 21 and the right sliding frame 22 are respectively provided with slide rails 211 and 221 that cooperate with the left connecting arm 11 and the right connecting arm 12. The left sliding frame 21 and the right sliding frame 22 can slide along the rotation axis perpendicular to the left connecting arm 11 and the rotation axis perpendicular to the right connecting arm 12, respectively, when the flexible screen folding electronic terminal is opened and folded. The reference numerals 110 and 120 are the axes of the left connecting arm 11 and the right connecting arm 12, respectively.

[0022] The hinge is also provided with a left push-pull link 41 and a right push-pull link 42. The left push-pull link 41 and the right push-pull link 42 are rotatably installed on both sides of the central support 200. The left sliding frame 21 and the right sliding frame 22 are respectively movably connected to the second end of the left push-pull link 41 and the right push-pull link 42. The connection structure of the movable connection adopts the matching relationship of the waist-shaped hole 24 and the shaft 43. The left sliding frame 21 and the right sliding frame 22 are respectively provided with the waist-shaped hole 24, which can give full play to the tensioning effect of the elastic top sliding frame mechanism on the flexible screen 300. The width of the waist-shaped hole 24 of the left sliding frame 21 and the right sliding frame 22 matches the diameter of the shaft 43, and the length direction of the waist-shaped hole 24 is consistent with the sliding direction of the left sliding frame 21 and the right sliding frame 22, respectively. The left push-pull link 41 and the right push-pull link 42 are connected to the middle support 200 through a virtual center rotation connection structure 40 composed of an arc slider and an arc guide groove. The rotation center is located above the support surface height of the flexible screen 300 when the flexible screen folding electronic terminal is unfolded.

[0023] This invention features elastic top sliding frame mechanisms between the left push-pull link 41 and the left sliding frame 21, and between the right push-pull link 42 and the right sliding frame 22. When the flexible screen folding electronic terminal is in a flattened state, the elastic top sliding frame mechanisms on the left and right sides press the left sliding frame 21 and the right sliding frame 22 away from the central support 200, thereby causing additional movement between the left housing 201 and the right housing 202, tensioning the flexible screen and giving it a certain prestress. This provides better reaction force for touch operation, making it less noticeable to the user as there is no unsupported area on the back of the flexible screen, thus improving the touch operation experience. It also eliminates the gaps between the parts from the central support 200 to the left sliding frame 21 and the right sliding frame 22, reducing wobbling and improving quality.

[0024] The left push-pull link 41 and the right push-pull link 42 are respectively provided with cams 6, and the mechanism that acts on the elastic top sliding frame when the left push-pull link 41 and the right push-pull link 42 rotate.

[0025] In this embodiment, the second ends of the left push-pull link 41 and the right push-pull link 42 are provided with the cam 6, so that the cam 6 rotates synchronously with the push-pull link connected to it about the rotation axis of the second end of the push-pull link (i.e., the shaft 43). The left sliding frame 21 and the right sliding frame 22 are provided with accommodating portions 211 and 221 of the elastic mechanism. The accommodating portion is provided with an elastic mechanism action portion 23 facing the cam surface. The elastic mechanism is located between the action portion 23 and the cam surface.

[0026] like Figure 6-9As shown, the mechanism of the elastic top sliding frame can employ elastic elements, including wire spring 3b, spring sheet 3a, disc spring 3d, and rubber block 3c. The wire spring can be configured as a compression spring or a torsion spring. Alternatively, the mechanism of the elastic top sliding frame can also be configured as a mechanism with elastic elements, such as an elastic arm.

[0027] The left connecting arm 11 and the right connecting arm 12 are connected by a synchronous reverse rotation connection structure 10, which can be a gear meshing connection structure, so that the housings 201 and 202 on both sides rotate synchronously in opposite directions.

[0028] The left sliding frame 21 and the left connecting arm 11 are movably connected to the left movable support plate 51 in the middle of the flexible screen, and the right sliding frame 22 and the right connecting arm 12 are movably connected to the right movable support plate 52 in the middle of the flexible screen. When the flexible screen folding electronic terminal is unfolded, the left movable support plate 51 and the right movable support plate 52 in the middle of the flexible screen rotate to the position supporting the flexible screen 300, as shown below. Figure 3 As shown, when the flexible screen folding electronic terminal is folded, it rotates at a greater angle than the left shell 201 and the right shell 202, thus creating a clearance space for the central bulge portion 301 when the flexible screen is folded.

[0029] The above description is only a specific embodiment of the present utility model, but the structural features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the protection scope of the present utility model.

[0030] It should be noted that the terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this utility model are intended to cover non-exclusive inclusion. The terms "installed," "set," "equipped with," "connected," "linked," and "sleeve" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, elements, or components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] In the description of this utility model, it should be understood that the terms "one end," "the other end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," and "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first" and "second" are also used only for the sake of brevity in description and do not indicate or imply relative importance.

Claims

1. A hinge for a flexible folding electronic terminal, comprising a left connecting arm and a right connecting arm, as well as a left sliding frame and a right sliding frame, wherein the left and right connecting arms are rotatably mounted on both sides of a central support, and the left and right sliding frames are slidably connected to the left and right connecting arms respectively, and the left and right sliding frames can slide along rotation axes perpendicular to the left and right connecting arms respectively when the flexible folding electronic terminal is opened and folded, respectively. The left and right sliding frames are respectively provided with connection points to the left and right housings of the flexible folding electronic terminal; the hinge also includes a left push-pull linkage and a right push-pull linkage, wherein the left and right push-pull linkages are rotatably mounted on both sides of the central support, and the left and right sliding frames are movably connected to the second ends of the left and right push-pull linkages respectively, characterized in that... The connecting structure of the active connection adopts the cooperation of waist-shaped hole and shaft. The mechanism of elastic top sliding frame is respectively set between the left push-pull link and the left sliding frame and between the right push-pull link and the right sliding frame. When the hinge is in the flat state corresponding to the flexible screen folding electronic terminal, the mechanism of elastic top sliding frame on the left and right sides presses the left sliding frame and the right sliding frame away from the central support.

2. The hinge of the flexible screen folding electronic terminal as described in claim 1, characterized in that, The left and right sliding frames are respectively provided with the waist-shaped holes, and the length direction of the waist-shaped holes of the left and right sliding frames is consistent with the sliding direction of the left and right sliding frames, respectively.

3. The hinge of the flexible screen folding electronic terminal as described in claim 1, characterized in that, The left and right push-pull links are each equipped with a cam, which acts on the elastic top sliding frame mechanism when the left and right push-pull links rotate.

4. The hinge of the flexible screen folding electronic terminal as described in claim 1, characterized in that, The mechanism of the elastic top sliding frame uses an elastic element, or is a mechanism consisting of an elastic element and a mechanical connection structure. The elastic element can be selected from a range of types, including a wire spring, a sheet spring, a disc spring, and a rubber block. The wire spring is configured as a compression spring or a torsion spring.

5. The hinge of the flexible screen folding electronic terminal as described in claim 3, characterized in that, The second ends of the left and right push-pull linkages are provided with cams, so that the cams rotate synchronously with the push-pull linkages connected to them about the rotation axis of the second end of the push-pull linkage. The left and right sliding frames are provided with receiving parts of the mechanism of the elastic top sliding frame. The receiving parts are provided with the action parts facing the cam surface. The mechanism of the elastic top sliding frame is located between the action parts and the cam surface.

6. The hinge of the flexible screen folding electronic terminal as described in claim 1, characterized in that, The left and right connecting arms are connected by a synchronous reverse rotation connection structure.

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