CN216158096U - Hinge of portable electronic terminal - Google Patents

Abstract

The utility model provides a hinge of a portable electronic terminal, which comprises a left rotating arm and a right rotating arm, wherein a linkage mechanism is connected between the left rotating arm and the right rotating arm, the hinge is provided with an independent end cover, the edge of the end cover is respectively provided with a side rotating support structure of the left rotating arm and the right rotating arm, the edge of the end cover is also used as the limit when the hinge is opened to the limit, and the left rotating arm and the right rotating arm are provided with limit matching structures matched with the edge used as the limit. The utility model can reduce the length occupied by the rotation angle limiting structure and the rotation support of the shaft in the axial direction, and reduce the axial size of the hinge, thereby reducing the frame width constraint on the portable electronic terminal, being beneficial to the narrow frame design of the portable electronic terminal, and being applied to portable electronic terminals such as double-screen mobile terminals, inwards-folded flexible screen mobile terminals and the like.

Description

Hinge of portable electronic terminal

Technical Field

The present invention relates to a hinge of a portable electronic terminal, which may be a mobile phone, a notebook computer, etc.

Background

Portable electronic devices such as notebook computers, flip phones (e.g., flexible screen flip phones), etc. are typically connected by a hinge, which is a core component, to provide a connection between the two side structures. For the two-side structure, the hinge can be provided with a rotating support structure and corresponding limit, but can occupy one section of axial space respectively to restrict the frame width of the portable electronic terminal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hinge of a portable electronic terminal, which can restrict the width of a frame of the portable electronic terminal to be smaller and is beneficial to the narrow frame design of the portable electronic terminal. Therefore, the utility model adopts the following technical scheme:

the utility model provides a hinge of portable electronic terminal, includes left side rotor arm and right side rotor arm, connects link gear between left side rotor arm and the right side rotor arm, its characterized in that the hinge sets up solitary end cover, and the border of end cover sets up respectively one side rotation bearing structure of left side rotor arm and right side rotor arm, the border of end cover is still opened spacing when extremely spacing as the hinge, left side rotor arm and right side rotor arm set up and regard as spacing border complex spacing cooperation structure.

On the basis of the technical scheme, the utility model can also adopt the following further technical schemes or combine the further technical schemes for use:

one ends of the left rotating arm and the right rotating arm, which are adjacent to each other, are arranged on the outer side of the end cover and are used as appearance structures together with the end cover.

The linkage mechanism is a synchronous reverse transmission mechanism.

Synchronous reverse drive mechanism adopts gear drive mechanism, the inboard of the one end of mutual neighbouring of left side rotor arm and right side rotor arm sets up the pivot, the pivot sets up the gear among the gear drive mechanism, the pivot sets up between gear and rotor arm spacing cooperation structure.

The side of end cover sets up the circular arc recess, the circular arc recess is as with pivot complex one side rotates bearing structure.

The edges of the two ends of the lower part of the end cover are used as the limit when the hinge is opened to the limit position.

Synchronous reverse drive mechanism adopts gear drive mechanism, gear drive mechanism including gear and the intermediate gear at both ends, intermediate gear's axle with the end cover is connected, both ends gear sets up respectively in left side rotor arm pivot and right side rotor arm pivot, the hinge sets up the support, the both sides inner wall of support sets up the opposite side rotation bearing structure of left side rotor arm and right side rotor arm.

The support is arranged into a support ring, the support ring is a part which is separated from the middle shell of the portable electronic terminal, and the end cover is connected to the axial outer side of the support ring; the other side rotating support structure on the bracket ring and the one side rotating support structure on the end cover form a combined rotating support structure which is positioned at different positions in the axial direction and forms rotating supports on two sides for the rotating shaft.

Set up the turning block in the pivot, one side of turning block set up the arc surface and with on the support ring the opposite side rotates the bearing structure cooperation, and the gear that lies in both ends among the gear drive sets up the opposite side at the epaxial turning block of left side rotor arm pivot and the opposite side of the epaxial turning block of right side rotor arm pivot respectively.

The hinge is provided with a damping mechanism, the support ring is used for fixing a damping plate of the damping mechanism at the same time, and the damping plate is provided with a clamping hole with an opening at one side.

Due to the adoption of the technical scheme, the utility model can reduce the length occupied by the rotation angle limiting structure and the rotation support of the shaft in the axial direction, and reduce the axial size of the hinge, thereby reducing the frame width constraint on the portable electronic terminal, being beneficial to the narrow frame design of the portable electronic terminal, and being applied to portable electronic terminals such as a double-screen mobile terminal, an inward-folding flexible screen mobile terminal and the like.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is an exploded view of the structure of the embodiment of the present invention.

Fig. 3 is an exploded view of a structure of an embodiment of the present invention viewed from another angle.

Fig. 4 and 5 are schematic diagrams of limiting matching when the corresponding portable electronic terminal is unfolded and folded according to the embodiment of the present invention.

Detailed Description

Reference is made to the accompanying drawings. The hinge of the portable electronic terminal comprises a left rotating arm 1 and a right rotating arm 2, wherein a left shell and a right shell of the portable electronic terminal are respectively connected with the left rotating arm 1 and the right rotating arm 2, so that corresponding operations of flattening, opening and folding can be performed.

The linkage mechanism is connected between the left rotating arm 1 and the right rotating arm 2, so that the required rotation control can be obtained, and the rotation control can be synchronous reverse rotation or asynchronous reverse rotation. In this embodiment, the linkage mechanism is a synchronous reverse transmission mechanism and adopts a gear transmission mechanism, and the gear transmission mechanism includes four gears which are sequentially engaged, and the gears 41, 42, 43 and 44 are sequentially arranged from left to right.

The hinge is provided with an independent end cover 3 which is a part separated from the middle shell of the portable electronic terminal and is a sheet-shaped part, the edges of the end cover 3 are respectively provided with one side rotation supporting structures of the left rotating arm and the right rotating arm, the edges of the end cover 3 are also used as the limit when the hinge is opened to the limit, and the left rotating arm 1 and the right rotating arm 2 are provided with limit matching structures matched with the edges used as the limit.

The inner sides of the mutually adjacent ends of the left rotating arm 1 and the right rotating arm 2 are respectively provided with rotating shafts 10 and 20, the rotating shafts 10 and 20 are also used as gear shafts, gears 41 and 44 in a gear transmission mechanism are arranged, the rotating shafts 10 and 20 are provided with limit matching structures between the gears and the rotating arms, the limit matching structures can be bumps 11 and 21 arranged on the rotating shafts, the edges 31 and 32 at the two ends of the lower part of the end cover are used as hinges to be opened to limit positions when the end cover is in a limit position, and the limit positions correspond to the state that the portable electronic terminal is opened to be flattened in the embodiment.

Two sides of the end cover 3 are provided with arc grooves 33, and the arc grooves 33 on the two sides are respectively used as one-side rotating support structures of the rotating shafts 10 and 20.

The end cap 3 is also provided with a function of attaching a link mechanism, and the shafts 420 and 430 of the gears 42 and 43 are inserted into the holes 34 and 35 attached to the end cap 3.

The hinge sets up the support, the both sides inner wall of support sets up the opposite side rotation bearing structure of left side rotor arm 1 and right side rotor arm 2, the support is preferred to be set up to support ring 5, support ring 5 is the part of components of a whole that can function independently in portable electronic terminal middle part shell, and end cover 3 is connected the axial outside of support ring 5, support ring 5 and end cover 3 are connected through modes such as welding.

The other side rotation support structure (for example, the semicircular arc surface 50) on the bracket ring 5 and the rotation support structure (the arc groove 33) on the end cover form a combined rotation support structure which is at different positions in the axial direction and forms two side rotation supports for the rotating shaft 10 or 20.

Set up turning block 4 on pivot 10, 20, one side of turning block sets up arc surface 40 and cooperates with the rotation bearing structure (semicircle face 50) on the support ring, and the gear 41 that lies in both ends among the gear drive mechanism, 44 set up the opposite side of turning block 4 on left side rotor arm pivot 10 and the opposite side of turning block 4 on right side rotor arm pivot 20 respectively.

Furthermore, the bracket may also take the form of an integral part of the central housing.

The embodiment using the above-mentioned bracket ring 5 is a preferred embodiment, and the bracket ring 5 is matched with the end cover 3, and forms a closed structure together with the left rotating arm 1 and the right rotating arm 2, and forms a hinge basic form, and the synchronous gear and a damping structure described below can be matched and assembled on the basis.

With the above-described embodiment of the bracket ring 5, it is possible to facilitate the thinning of the hinge damping mechanism, the bracket ring 5 may be provided with the connecting arms 51 extending axially inward on the upper and lower portions, and the part of the damping mechanism provided with the clamping holes 60, which can take the form of the damping plate 6, is fixed (e.g., clamped, welded, glued) by the connecting arms 51, thereby greatly reducing the axial size of the hinge. The pack holder hole 60 is a hole having an opening at one side, and reference numeral 7 is a friction bush fixed to and wrapped around the rotating shafts 10 and 20 and engaged with the hole wall of the pack holder hole 60.

The damping plate 6 is also provided with support holes 62, 63 for shafts 420, 430 of the intermediate gear, one end of the shafts 420, 430 is supported on the holes 34, 35 of the end cover 3, and the other end is supported on the holes 62, 63.

The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.

It is to be understood that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the utility model and the above-described drawings are intended to cover non-exclusive inclusions. The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "inside", "horizontal", "end", "length", "outer end", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first" and "second" are also used for brevity of description only and do not indicate or imply relative importance.

Claims (10)

1. The utility model provides a hinge of portable electronic terminal, includes left side rotor arm and right side rotor arm, connects link gear between left side rotor arm and the right side rotor arm, its characterized in that the hinge sets up solitary end cover, and the border of end cover sets up respectively one side rotation bearing structure of left side rotor arm and right side rotor arm, the border of end cover is still opened spacing when extremely spacing as the hinge, left side rotor arm and right side rotor arm set up and regard as spacing border complex spacing cooperation structure.

2. A hinge for a portable electronic terminal according to claim 1, wherein one ends of said left and right rotary arms adjacent to each other are provided outside said cover as an appearance structure together with the cover.

3. A hinge for a portable electronic terminal according to claim 1, wherein said linkage mechanism is a synchronous reverse drive mechanism.

4. A hinge for a portable electronic terminal according to claim 3, wherein said synchronous reversing actuator is a gear actuator, and the inside of the adjacent end of said left and right rotary arms is provided with a rotary shaft, said rotary shaft is provided with a gear in the gear actuator, and said rotary shaft is provided with said limit fitting structure between the gear and the rotary arms.

5. A hinge for a portable electronic terminal according to claim 1, wherein a side edge of said cover is provided with a circular arc groove as said one side rotation support structure engaged with the rotation shaft.

6. A hinge for a portable electronic terminal according to claim 1, wherein both lower end edges of said end caps serve as a stopper when the hinge is opened to a limit.

7. The hinge of claim 3, wherein the synchronous reverse gear mechanism is a gear mechanism, the gear mechanism comprises a gear and an intermediate gear at two ends, the shaft of the intermediate gear is connected to the end cap, the gears at two ends are respectively disposed on the left rotating arm rotating shaft and the right rotating arm rotating shaft, the hinge is provided with a bracket, and the inner walls at two sides of the bracket are provided with the other side rotating support structure of the left rotating arm and the right rotating arm.

8. A hinge for a portable electronic terminal according to claim 7, wherein said holder is provided as a holder ring, said holder ring being a separate member from a middle housing of the portable electronic terminal, and an end cap is attached to an axially outer side of said holder ring; the other side rotating support structure on the bracket ring and the one side rotating support structure on the end cover form a combined rotating support structure which is positioned at different positions in the axial direction and forms rotating supports on two sides for the rotating shaft.

9. The hinge of claim 8, wherein a rotary block is provided on the rotary shaft, one side of the rotary block is provided with a circular arc surface to be engaged with the other side rotary support structure on the holder ring, and gears at both ends of the gear transmission mechanism are respectively provided on the other side of the rotary block on the rotary shaft of the left rotary arm and the other side of the rotary block on the rotary shaft of the right rotary arm.

10. A hinge for a portable electronic terminal according to claim 7, wherein said hinge is provided with a damping mechanism, said holder ring simultaneously fixes a damping plate of said damping mechanism, said damping plate is provided with a clamping hole opened at one side.

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