Hinge for folding portable electronic terminal

Abstract

A hinge for a folding portable electronic terminal, comprising shafts (1) and connecting structures, wherein the connecting structures are used for connecting the hinge to one of two relatively rotating members of the folding portable electronic terminal; the hinge is provided with a first resistance torque providing mechanism and a second reset driving torque providing mechanism; the first resistance torque providing mechanism respectively provides different first resistance torque and second resistance torque for rotation of the folding portable electronic terminal in an opening direction and a closing direction; the second reset driving torque providing mechanism provides driving torque for overcoming the resistance torque within a reset driving angle range; the first resistance torque providing mechanism is further provided with a resistance adjusting and matching structure; the first resistance torque and the second resistance torque are reduced within the reset driving angle range.

Description

Hinge for folding portable electronic terminal TECHNICAL FIELD

[0001] The present invention relates to a hinge for folding portable electronic terminal, which can be a mobile phone, a notebook computer, etc. BACKGROUND

[0002] For folding portable electronic terminal, such as mobile phone, notebook computer, there is a requirement of opening heavy and closing light, that is, in the opening process from folding to using angle (such as flat), a relatively heavy feeling is required, while in the closing direction, a relatively light feeling is required. This can be achieved by the means of spring pipe clamping the pivot to generate resistance torque. The spring pipe is an open pipe, and by selecting the opening position, different clamping forces can be generated on the pivot in the two rotating directions to generate different resistance torques. However, the output torque of this torque output structure is relatively large, and when an automatic reset function in the flat state is required, the driving torque of the reset mechanism cannot be made relatively large, which will affect the working effect of such reset mechanism. SUMMARY

[0003] The purpose of the present invention is to provide a hinge for folding portable electronic terminal, which can provide different light and heavy operation feelings in the opening and closing rotating directions, and also can realize clear automatic reset function in the flat state. To this end, the present invention adopts the following technical solutions:

[0004] A hinge for folding portable electronic terminal, comprising a shaft and a connecting structure, the connecting structure is used for connecting one of the two parties relative to the rotation of the hinge and the folding portable electronic terminal, characterized in that the hinge is provided with a first resistance torque providing mechanism and a second reset driving torque providing mechanism, the first resistance torque providing mechanism provides different first resistance torque and second resistance torque for the rotation of the folding portable electronic terminal in the opening direction and the closing direction respectively, the second reset driving torque providing mechanism provides a driving torque overcoming the resistance torque in the reset driving angle range, the first resistance torque providing mechanism is also provided with resistance adjusting cooperation structure, and the first resistance torque and the second resistance torque are reduced in the reset driving angle range;

[0005] The first resistance torque providing mechanism adopts a spring pipe, the spring pipe is provided with an opening, the spring pipe clamps the shaft, and by adjusting the position of the opening, the first resistance torque and the second resistance torque are different; the second reset driving torque providing mechanism adopts a cam pair and is pressed by an elastic element, the first cam in the cam pair is connected with the shaft and is synchronous with the shaft in the rotating direction, and the second cam in the cam pair is sleeved on the shaft and can rotate relative to the shaft.

[0006] On the basis of the above technical scheme, the application can further adopt the following technical scheme, or use the further technical schemes in combination.

[0007] The resistance adjustment matching structure comprises a first non-circular part with a reduced diameter arranged on the shaft, and a second protruding part arranged inside the spring tube, the angle range corresponding to the contact between the second protruding part and the first non-circular part corresponding to the reset driving rotation angle range, and in the reset driving angle range, the first resistance torque and the second resistance torque are reduced through the cooperation between the second protruding part and the first non-circular part.

[0008] The first non-circular part is a plane covering the length of the spring tube on the shaft.

[0009] The folding portable electronic terminal is a double-shaft folding portable electronic terminal, the hinge is arranged with two parallel shafts, the spring tube on the first shaft and the spring tube on the second shaft are connected, and the first shaft and the second shaft are connected with the connecting structure.

[0010] The folding portable electronic terminal is a folding portable electronic terminal that can be opened to be flat, and the reset driving is automatically driven to be flat in the angle range close to flat in the opening rotation direction and the closing rotation direction.

[0011] The first resistance torque is greater than the second resistance torque, the first resistance torque is the resistance torque in the opening rotation direction, and the second resistance torque is the resistance torque in the closing rotation direction.

[0012] The opening is arranged on the side with a tendency to open in the closing opening direction.

[0013] Due to the technical scheme of the application, the application can realize different light and heavy operation feelings in the opening and closing rotation directions in a simple way, and realize clear automatic reset function of the flat state. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a schematic diagram of the embodiment of the application when applied to a flexible screen folding mobile phone in a flat state.

[0015] Fig. 2 is a front view of the embodiment of the application in the opposite direction of Fig. 1.

[0016] Fig. 3 is a sectional view of Fig. 2.

[0017] Fig. 4 is a schematic diagram of the embodiment of the application when applied to a flexible screen folding mobile phone in a folded state.

[0018] Fig. 5 is a front view of the embodiment of the application in the opposite direction of Fig. 4.

[0019] Fig. 6 is a sectional view of Fig. 5.

[0020] Figure 7 is a schematic diagram of torque output corresponding to opening and folding direction rotation of the embodiment of the present application. DETAILED DESCRIPTION

[0021] Referring to the drawings, the present application provides a hinge for folding portable electronic terminal, comprising a shaft 1 and a connecting structure for connecting one of the two parties (such as one of the housings in folding mobile phone) in the hinge and the folding portable electronic terminal which rotate relatively. The hinge is provided with a first resistance torque providing mechanism and a second reset driving torque providing mechanism, the first resistance torque providing mechanism provides different first resistance torque and second resistance torque for the rotation of the folding portable electronic terminal in the opening direction and the closing direction respectively, the second reset driving torque providing mechanism provides a driving torque which overcomes the resistance torque in the reset driving angle range, the first resistance torque providing mechanism is further provided with a resistance adjusting cooperation structure, and the first resistance torque and the second resistance torque are reduced in the reset driving angle range.

[0022] In the embodiment, the first resistance torque providing mechanism adopts a spring tube 2, the spring tube is provided with an opening 21, the spring tube 2 clamps the shaft, and the first resistance torque and the second resistance torque are made different by adjusting the position of the opening 21; the second reset driving torque providing mechanism adopts a cam pair and is pressed by an elastic element 4, the first cam 31 in the cam pair is connected with the shaft 1 and is synchronous with the shaft 1 in the rotation direction, the second cam 32 in the cam pair is sleeved on the shaft 1 and can rotate relatively with the shaft 1, the first cam 31 is also sleeved on the shaft 1 and is synchronous with the shaft 1 in rotation by flat position cooperation connection, and the elastic element can adopt a plurality of butterfly springs sleeved on the shaft 1. By the cooperation of the first cam 31 and the second cam 32, such as downhill cooperation in the reset driving angle range, the first cam 31 is driven to rotate under the driving of the elastic element 4, and the shaft 1 is also synchronous in rotation.

[0023] In the embodiment, the resistance adjusting cooperation structure comprises a first non-circular part 11 with reduced diameter provided on the shaft 1, the inside of the spring tube 2 is provided with a second protruding part 22, the angle range corresponding to the contact of the second protruding part 22 and the first non-circular part 11 corresponds to the reset driving rotation angle range, and the first resistance torque and the second resistance torque are reduced in the reset driving angle range by the cooperation of the second protruding part 22 and the first non-circular part 11.

[0024] In the embodiment, the first non-circular part 11 is a plane on the shaft 1 covering the length of the spring tube 2.

[0025] In the embodiment, the folding portable electronic terminal is a double-axle folding portable electronic terminal, the hinge is provided with two parallel shafts 1, the spring tubes 2 on the first shaft and the spring tubes 2 on the second shaft are connected together and located at two ends of the same part 20, the shaft 1 is the rotating side and the spring tube 2 is the static side, the first shaft and the second shaft are connected with the connecting structure, the connecting structure can be a connecting arm 5 which can connect one side of the shell of the folding mobile phone. The end of the connecting arm 5 is provided with a connecting flat hole 51 which is sleeved on the shaft 1, the first cam 31 can be arranged at the end of the connecting arm 5 and surround the end surface of the hole which faces the second cam to be connected with the shaft 1. The second cams 32 on the first shaft and the second shaft are also connected together and kept static relative to the shaft 1.

[0026] In the embodiment, the double-axle folding portable electronic terminal is a folding portable electronic terminal which can be opened to be flat, the reset driving is aimed at the flat position as the reset target, and is automatically driven to the flat state in the angle range close to the flat position in the opening and closing rotation directions, wherein, as shown in Fig. 7, the symbol S is the reset starting point, and the reset driving angle can be about 10°.

[0027] In the embodiment, the operation feeling of opening heavy and closing light is realized, that is, the first resistance torque in the opening rotation stroke is greater than the second resistance torque in the closing rotation stroke. For the first resistance torque greater than the second resistance torque, the opening 21 can be arranged on the side which has the opening trend in the closing rotation direction, and the opening 21 has the trend of being reduced in the opening rotation direction.

[0028] Therefore, although the spring tube 2 clamps the shaft 1 so that the resistance torque is large in both the closing direction and the opening direction, the first resistance torque and the second resistance torque are reduced by the cooperation of the second protruding part 22 and the first non-circular part 11 in the reset driving stage through the adjustment of the adjusting mechanism without increasing additional structures, and the first resistance torque and the second resistance torque after being reduced are not only smaller than the driving torque provided by the second reset driving torque providing mechanism in the reset driving angle range, but also have a large gap, so that the reset performance is improved and the clear operation feeling is provided.

[0029] The above only describes the specific embodiments of the present application, but the structural features of the present application are not limited to this, and any changes or modifications made by those skilled in the art in the field of the present application are covered in the protection scope of the present application.

[0030] It should be noted that the terms "comprising" and "having" and any variations thereof in the specification and claims of the present application and the above drawings are intended to cover a non-exclusive inclusion. The terms "mounting", "setting", "provided with", "connected", "linked", "sleeved" should be understood broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "one end", "the other end", "outer side", "inner side", "horizontal", "end", "length", "outer end", "left", "right" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second" are only used for the convenience of description, and do not indicate or imply relative importance.

Claims

1. A hinge for a folding portable electronic terminal comprising a shaft and a connecting structure for connecting one of the two parties of the hinge and the folding portable electronic terminal which rotate relatively, characterized in that The hinge is provided with a first resistance torque providing mechanism and a second reset driving torque providing mechanism, the first resistance torque providing mechanism provides different first resistance torque and second resistance torque respectively for the rotation of the folding portable electronic terminal towards the opening direction and the closing direction, the second reset driving torque providing mechanism provides a driving torque overcoming the resistance torque in a reset driving angle range, the first resistance torque providing mechanism is further provided with a resistance adjusting cooperation structure, and in the reset driving angle range, the first resistance torque and the second resistance torque are reduced; The first resistance torque providing mechanism adopts a spring tube, the spring tube is provided with an opening, the spring tube clamps the shaft, and the first resistance torque and the second resistance torque are made different by adjusting the position of the opening; the second reset driving torque providing mechanism adopts a cam pair and is pressed by an elastic element, the first cam in the cam pair is connected with the shaft and is synchronous with the shaft in the rotation direction, and the second cam in the cam pair is sleeved on the shaft and can rotate relative to the shaft.

2. A hinge for folding a portable electronic terminal according to claim 1, wherein The resistance adjusting cooperation structure includes a first non-circular part with a reduced diameter provided on the shaft, and a second protruding part provided inside the spring tube, the corresponding angle range of the second protruding part in contact with the first non-circular part corresponds to the reset driving rotation angle range, and in the reset driving angle range, the first resistance torque and the second resistance torque are reduced by the cooperation of the second protruding part and the first non-circular part.

3. A hinge for folding a portable electronic terminal according to claim 2, wherein The first non-circular part is a plane on the shaft covering the length of the spring tube.

4. The hinge of claim 2, wherein the hinge is configured to fold the portable electronic terminal in a direction perpendicular to the hinge axis. The folding portable electronic terminal is a double-shaft folding portable electronic terminal, the hinge is provided with two parallel shafts, the spring tube on the first shaft and the spring tube on the second shaft are connected, and the first shaft and the second shaft are connected with the connection structure.

5. A hinge for folding a portable electronic terminal according to claim 1 or 2, wherein The folding portable electronic terminal is a folding portable electronic terminal that can be rotated to be opened to be flat, and the reset driving is automatically driven to be flat in the angle range close to being flat in the opening rotation direction and the closing rotation direction.

6. A hinge for folding a portable electronic terminal according to claim 1 or 2, wherein The first resistance torque is greater than the second resistance torque, the first resistance torque is the resistance torque in the opening rotation direction, and the second resistance torque is the resistance torque in the closing rotation direction.

7. The hinge of claim 1, wherein The opening is provided on the side having an opening tendency in the closing opening direction.

8. The hinge of claim 5, wherein The opening is provided on the side having an opening tendency in the opening rotation direction.

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