CN211693206U - Interior folding hinge suitable for remove interior book terminal - Google Patents

Abstract

The utility model discloses an interior folding hinge suitable for remove infolding terminal, including the hinge mechanism, the hinge mechanism includes ship type casing, the both sides horizontal symmetry of ship type casing is provided with left lifter plate and right lifter plate, the inside of ship type casing is installed and is realized left lifter plate and two rotation synchronization mechanism that right lifter plate rotated in step, one side of two rotation synchronization mechanism all is provided with the integrative locking mechanical system that locks when controlling left lifter plate and right lifter plate to expand completely and lock when closing completely; the utility model discloses a rotation lazytongs that is equipped with makes this interior folding hinge can drive mobile terminal's left and right shell and carries out synchronous rotation, can lock the terminal when expandes or is closed completely through the integrative locking mechanical system who sets up, and the experience good feeling when improving the terminal use avoids the terminal to take place the rotation when expandes or is closed completely and leads to the end at terminal to take place to damage, improves the life at terminal.

Description

Interior folding hinge suitable for remove interior book terminal

Technical Field

The utility model relates to an electronic equipment technical field, in particular to interior folding hinge suitable for remove interior book terminal.

Background

The flexible screen is a flexible screen and is referred to as a flexible OLED. The successful mass production of the flexible screen is not limited to the manufacture of a new generation of high-end smart phone, and the application of the wearable device is greatly influenced due to the characteristics of low power consumption and flexibility.

The existing inward folding screen equipment generally adopts a three-section type folding hinge, but the existing three-section type folding hinge has more and complicated hinge actions and mechanisms, poor synchronization performance and large space occupation ratio at a mobile inward folding terminal, so that the hinge has poor adaptability to different equipment. Therefore, the research on the folding hinge with small space occupation ratio, simple and efficient action mechanism is significant.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interior folding hinge suitable for remove infolding terminal to solve the current syllogic folding hinge that proposes in the above-mentioned background art, hinge action, mechanism are many and complicated, and the synchronism can be poor, and the space at removal infolding terminal accounts for the ratio big, makes the relatively poor problem of hinge equipment suitability to the difference.

In order to achieve the above object, the utility model provides a following technical scheme: an inward folding hinge suitable for a mobile inward folding terminal comprises a hinge mechanism, wherein the hinge mechanism comprises a ship-shaped shell, a left lifting plate and a right lifting plate are horizontally and symmetrically arranged on two sides of the ship-shaped shell, two rotation synchronous mechanisms for realizing synchronous rotation of the left lifting plate and the right lifting plate are arranged in the ship-shaped shell, and an integrated locking mechanism for controlling the left lifting plate and the right lifting plate to be locked when the left lifting plate and the right lifting plate are completely unfolded and locked when the left lifting plate and the right lifting plate are completely closed is arranged on one side of each of the two rotation synchronous mechanisms;

the integrated locking mechanism comprises a fixed base fixedly arranged on the inner side of the ship-shaped shell through screws, the middle part of the fixed base is provided with a lock cavity A for placing a spring and a lock ball, the number of the lock balls is at least four, the lock balls are respectively two left lock balls which penetrate through the cavity wall on one side of the lock cavity A and are in interference fit with the arc-shaped end of the left lock arm, and two right lock balls which penetrate through the cavity wall on the other side of the lock cavity A and are in interference fit with the arc-shaped end of the right lock arm, springs for providing elastic force are sleeved between the left lock balls and the right lock balls which are opposite in position, one end of the left lock arm and one end of the right lock arm are respectively and rotatably connected with lock notches on two sides of the fixed base through two pin shafts, and the other end;

the hinge mechanism further comprises at least four lifting synchronization mechanisms, the left lifting plate drives the left hinge shell to lift, the right lifting plate drives the right hinge shell to lift, the rotation synchronization mechanisms comprise slope-shaped rail pieces correspondingly installed on the inner side of the left hinge shell or the inner side of the right hinge shell, the slope-shaped rail pieces located on the left hinge shell are in guiding sliding connection with the two connecting seats fixedly installed on the left lifting plate through sliding rods in the slope-shaped rails, the slope-shaped rail pieces located on the right hinge shell are in guiding sliding connection with the two connecting seats fixedly installed on the right lifting plate through sliding rods in the slope-shaped rails, and slope-shaped notches are formed in the positions, right opposite to the slope-shaped rail pieces, of the left lifting plate and the right lifting plate.

As a preferred technical scheme of the utility model, left side lifter plate expandes completely with right lifter plate and is 0 or when the closed contained angle that is 180, the elastic force that left lock ball cooperation spring was applyed to left locking arm supports the component along left lifter plate gravity opposite direction and is greater than the gravity that receives of left lifter plate, and the elastic force that right lock ball cooperation spring was applyed to right locking arm supports the component along right lifter plate gravity opposite direction and is greater than the gravity that receives of right lifter plate.

As a preferred technical scheme of the utility model, it includes that fixed mounting is inside the ship type casing to rotate lazytongs is including the relative first pinion stand and second pinion stand in position, install left gear and the right gear that intermeshing rotated to be connected between two trompils in first pinion stand bottom and the two trompils in second pinion stand bottom, one side meshing of left gear is connected with the left gear pterygoid lamina with left lifter plate fixed mounting, one side meshing of right gear is connected with the right gear pterygoid lamina with right lifter plate fixed mounting, left gear pterygoid lamina and right gear pterygoid lamina rotate with the corresponding trompil at first pinion stand top and second pinion stand top through two rotational pins and are connected.

As an optimal technical scheme of the utility model, the equal fixed mounting in inboard both ends of ship type casing has cooperation rotation lazytongs and lifter plate to realize the synchronous supplementary fixed block of pivoted of the left casing of hinge and the right casing of hinge in step, and the fixed two archs of arranging the outside ship type casing end in that are equipped with in one side of the synchronous supplementary fixed block, lie in two wherein archs on the supplementary fixed block in step and rotate with the rocking arm at the left casing both ends of hinge and be connected, lie in two other two archs on the supplementary fixed block in step and rotate with the rocking arm at the right casing both ends of hinge and be connected.

As an optimal technical scheme of the utility model, shell cover plate, left side apron and the right side apron that keep flushing the setting are still installed respectively at the top of ship type casing, the top of left lifter plate and the top of right lifter plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an interior folding hinge suitable for remove interior book terminal has following beneficial effect:

1) the inner folding hinge can drive the left shell and the right shell of the mobile terminal to synchronously rotate through the arranged rotation synchronous mechanism, the terminal can be locked when being completely unfolded or closed through the arranged integrated locking mechanism, the experience of the terminal is good when in use is improved, the terminal is prevented from being damaged due to autorotation when being completely unfolded or closed, and the service life of the terminal is prolonged;

2) the hinge is simple in structure, and when the terminal can be enabled to rotate synchronously and be self-locked, the hinge also has the advantages of small space occupation ratio and simple and efficient action mechanism, and the inward folding hinge can be adapted to three-section type movable inward folding terminals of more types.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner side structure of the present invention;

fig. 3 is a schematic view of the internal structure of the utility model;

fig. 4 is an enlarged schematic view of fig. 3 at a according to the present invention;

fig. 5 is an enlarged schematic view of fig. 3 at B according to the present invention;

fig. 6 is a schematic view of the installation of the integrated locking mechanism and rotation synchronizing mechanism of the present invention and the ship-shaped shell;

fig. 7 is a schematic view of the integrated locking mechanism according to embodiment 1 of the present invention;

fig. 8 is a schematic view of the rotation synchronization mechanism according to the present invention;

fig. 9 is a schematic view of the lifting synchronization mechanism of the present invention;

fig. 10 is a schematic view of the closed state of the present invention;

fig. 11 is an expanded sectional view of the hinge mechanism according to embodiment 1 of the present invention;

fig. 12 is a schematic view of the embodiment 2 of the present invention showing the detachment of the integrated locking mechanism.

In the figure: 1. a hinge mechanism; 11. a boat-shaped shell; 12. a housing cover plate; 1a, an integral locking mechanism; 1a1, fixed base; 1a2, lock chamber a; 1a3, left locking ball; 1a4, right locking ball; 1a5, spring; 1a6, left locking arm; 1a7, right locking arm; 1a8, pin; 1a9, lock chamber B; 1b, a rotation synchronization mechanism; 1b1, a first gear seat; 1b2, second gear seat; 1b3, left gear wing; 1b4, right gear wing plate; 1b5, left gear; 1b6, right gear; 1c, a lifting synchronous mechanism; 1c1, ramp track piece; 1c2, connecting seat; 1c3, a slide bar; 1d, synchronously assisting the fixed block; 2. a left lifter plate; 21. a left cover plate; 3. a right lifter plate; 31. a right cover plate; 4. a hinge left housing; 5. and the right shell is hinged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-10, the present invention provides an inward folding hinge suitable for a mobile inward folding terminal, including a hinge mechanism 1, the hinge mechanism 1 includes a ship-shaped shell 11, a left lifting plate 2 and a right lifting plate 3 are horizontally and symmetrically disposed on two sides of the ship-shaped shell 11, two rotation synchronization mechanisms 1b for realizing the synchronous rotation of the left lifting plate 2 and the right lifting plate 3 are installed inside the ship-shaped shell 11, and an integral locking mechanism 1a for controlling the locking when the left lifting plate 2 and the right lifting plate 3 are completely unfolded and the locking when the left lifting plate 2 and the right lifting plate 3 are completely closed is disposed on one side of each of the two rotation synchronization mechanisms 1 b;

the integrated locking mechanism 1a comprises a fixed base 1A1 fixedly arranged on the inner side of the boat-shaped shell 11 through screws, the middle part of the fixed base 1A1 is provided with a locking cavity A1a2 for placing a spring 1a5 and locking balls, the locking balls are provided with at least four locking balls which are respectively two left locking balls 1a3 penetrating through the cavity wall on one side of the locking cavity A1a2 and in interference fit with the arc-shaped end of the left locking arm 1a6 and two right locking balls 1a4 penetrating through the cavity wall on the other side of the locking cavity A1a2 and in interference fit with the arc-shaped end of the right locking arm 1a7, a spring locking arm 1a5 providing elastic force is sleeved between the left locking ball 1a3 and the right locking ball 1a4 opposite in position, one end of the left locking arm 1a6 and one end of the right locking arm 1a7 are respectively connected with locking notches on two sides of the fixed base 1A1 through two pin shafts 1a8, and the other ends of the left locking arm 1a6 and the right locking arm 7 are;

the hinge mechanism 1 also comprises at least four lifting synchronization mechanisms 1c which are used for driving the left lifting plate 2 to drive the left shell 4 of the bottom hinge to lift and the right lifting plate 3 to drive the right shell 5 of the bottom hinge to lift, the rotation synchronization mechanism 1c comprises a slope-shaped rail part 1c1 correspondingly arranged on the inner side of the left shell 4 of the hinge or the inner side of the right shell 5 of the hinge, a slope-shaped rail part 1c1 arranged on the left shell 4 of the hinge is connected with two connecting seats 1c2 fixedly arranged on the left lifting plate 2 in a guiding and sliding way through a slide bar 1c3 in the slope-shaped rail, a slope-shaped rail part 1c1 arranged on the right shell 5 of the hinge is connected with two connecting seats 1c2 fixedly arranged on the right lifting plate 3 in a guiding and sliding way through a slide bar 1c3 in the slope-shaped rail, and slope-shaped notches are arranged at the opposite positions of the left lifting plate 2 and the right lifting plate 3 and the slope-shaped rail part 1c1, and the slope-shaped notches are, ensuring smoother sliding with the ramp rail member 1c 1.

Further, when the left lifting plate 2 and the right lifting plate 3 are completely unfolded to form an included angle of 0 degree or closed to form an included angle of 180 degrees, the elastic force applied by the left lock ball 1a3 to the left lock arm 1a6 in cooperation with the spring 1a5 supports the component force along the opposite direction of the gravity of the left lifting plate 2 to be larger than the gravity borne by the left lifting plate 2, and the elastic force applied by the right lock ball 1a4 to the right lock arm 1a7 in cooperation with the spring 1a5 supports the component force along the opposite direction of the gravity of the right lifting plate 3 to be larger than the gravity borne by the right lifting plate 3, so that the practicability of the mobile folding-in terminal in the actual use process is improved, and the automatic locking of the mobile folding-in terminal in.

Further, the rotation synchronizing mechanism 1b includes a first gear seat 1b1 and a second gear seat 1b2 fixedly installed inside the boat-shaped housing 11 and opposite to each other, a left gear 1b5 and a right gear 1b6 engaged and rotatably connected to each other are installed between two openings at the bottom of the first gear seat 1b1 and two openings at the bottom of the second gear seat 1b2, a left gear wing 1b3 fixedly installed with the left lifting plate 2 is engaged and connected to one side of the left gear 1b5, a right gear wing 1b4 fixedly installed with the right lifting plate 3 is engaged and connected to one side of the right gear 1b6, the left gear wing 1b3 and the right gear wing 1b4 are rotatably connected to corresponding openings at the top of the first gear seat 1b1 and the top of the second gear seat 1b2 by two rotating pins, the left gear 1b5 and the right gear 1b6 engaged in the rotation synchronizing mechanism 1b, so that the left gear wing 1b3 and the right gear 1b4 are rotated and synchronized, meanwhile, in the rotating process, the meshed gear structure can provide better mechanical feedback feeling, and the texture of a terminal product is improved.

Further, the synchronous auxiliary fixing block 1d that synchronous rotation of the left hinge shell 4 and the right hinge shell 5 is realized by the cooperation of the rotation synchronizing mechanism 1b and the lifter plate is fixedly installed at the two inner sides of the ship-shaped shell 11, two bulges arranged outside the end of the ship-shaped shell 11 are fixedly arranged on one side of the synchronous auxiliary fixing block 1d, two of the bulges arranged on the two synchronous auxiliary fixing blocks 1d are connected with the rotating arms at the two ends of the left hinge shell 4 in a rotating manner, the other two bulges arranged on the two synchronous auxiliary fixing blocks 1d are connected with the rotating arms at the two ends of the right hinge shell 5 in a rotating manner, and the synchronous auxiliary movement effect is realized for the rotation of the left hinge shell 4 and the right hinge shell 5.

Further, the top of the ship-shaped shell 11, the top of the left lifting plate 2 and the top of the right lifting plate 3 are respectively provided with a shell cover plate 12, a left cover plate 21 and a right cover plate 31 which are kept flush, so that the overall attractiveness of the hinge is ensured, and the flexible display screen is conveniently supported and installed.

Specifically, when it is necessary to use the inward folding hinge adapted to the mobile inward folding terminal:

moving the folded-in terminal from unfolding to closing:

the hinge left shell 4 rotates clockwise and drives the left lifting plate 2 to move clockwise, and because the left gear wing plate 1b3 of the rotation synchronization mechanism 1b is fixedly connected with the left lifting plate 2, then the left gear wing plate 1b3 also moves clockwise by taking one of the rotation pins as a rotation point and drives the left gear 1b5 and the right gear 1b6 to rotate, and the right gear 1b6 can drive the right gear wing plate 1b4, the right lifting plate 3 and the hinge right shell 5 to rotate anticlockwise by taking the other rotation pin as a rotation point, so that the hinge left shell 4 and the hinge right shell 5 are synchronously rotated and closed;

because the slide bar 1c3 of the lifting synchronous mechanism 1c is connected with the left and right lifting plates, the slide bar 1c3 slides in the slope track of the slope track piece 1c1 in a guiding way to drive the left and right lifting plates to move; the left lifting plate and the right lifting plate rotate and sink, so that the space can be avoided for bending the screen;

meanwhile, the left locking arm 1a6 and the right locking arm 1a7 of the integrated locking mechanism 1a rotate along with the left lifting plate 2 and the right lifting plate 3 respectively, the arc ends of the two locking arms can extrude corresponding locking balls, and the locking balls can automatically move back and forth in the cavity wall opening of the locking cavity A1a2 under the action of elastic force of the spring 1a 5; and the locking ball withstands the corresponding locking arm under the elastic force action of the spring 1a5, when the terminal is closed to 0 degree, the acting force of the spring 1a5 matched with the locking ball to the locking arm is larger than the gravity exerted by the flexible screen and other accessories to the left lifting plate 2 and the right lifting plate 3, and at the moment, the self-locking effect when the terminal is completely closed is achieved by utilizing the integrated locking mechanism 1 a.

Moving the fold-in terminal from closing to unfolding:

the left hinge shell 4 rotates anticlockwise, the left lifting plate 2 and the left gear wing plate 1b3 are driven to do anticlockwise movement similarly, the left gear 1b5 and the right gear 1b6 which are meshed with each other also rotate similarly, the right gear 1b6 drives the right gear wing plate 1b4, the right lifting plate 3 and the right hinge shell 5 to rotate clockwise, and the left hinge shell 4 and the right hinge shell 5 are synchronously rotated and unfolded;

the slide bar 1c3 of the lifting synchronous mechanism 1c slides in the slope track of the slope track piece 1c1 in a guiding way to drive the left and right lifting plates to move; the left and right lifting plates rotate and ascend, and the screen can be supported by the ascending left lifting plate 2 and the ascending right lifting plate 3;

when the terminal is unfolded to 180 degrees, the acting force of the spring 1a5 of the integrated locking mechanism 1a on the locking arm in cooperation with the locking ball is also larger than the gravity force exerted by the flexible screen and other accessories on the left lifting plate 2 and the right lifting plate 3, and the self-locking effect of the terminal when the terminal is completely unfolded is achieved by the integrated locking mechanism 1 a.

The bulges of the synchronous auxiliary fixed block 1d are respectively and rotatably connected with the rotating arms of the left hinge shell 4 and the right hinge shell 5, so that the rotating center of the shells is controlled, and simultaneously, the virtual position error generated in the gear part processing can be absorbed; and simultaneously, the synchronous auxiliary movement function is realized for the rotation of the hinge left shell 4 and the hinge right shell 5.

Example 2

As shown in fig. 11-12, specifically, the lock cavity disposed in the middle of the fixing base 1a1 of the integrated locking mechanism 1a is a lock cavity B1a9, the number of the lock balls is two, and the lock balls are respectively a left lock ball 1a3 and a right lock ball 1a4, the ball head of the left lock ball 1a3 penetrates through the cavity wall of one of the lock cavities B1a9 to abut against the arc-shaped end of the left lock arm 1a6, the ball head of the right lock ball 1a4 penetrates through the cavity wall of the other lock cavity B1a9 to abut against the arc-shaped end of the right lock arm 1a7, the same two lock cavities B1a9 are both provided with springs 1a5 for applying elastic force to the lock balls, the integrated locking mechanism 1a using the two lock cavities B1a9 can also achieve the self-locking effect when the terminal is fully unfolded or at the time, the two springs 1a5 are disposed inside the two independent lock cavities B1a9, thereby avoiding the influence of the spring 1a5 when the deformation occurs, and ensuring the reliability of the integrated locking mechanism.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An inward folding hinge suitable for a mobile inward folding terminal comprises a hinge mechanism and is characterized in that the hinge mechanism comprises a ship-shaped shell, a left lifting plate and a right lifting plate are horizontally and symmetrically arranged on two sides of the ship-shaped shell, two rotation synchronous mechanisms for realizing synchronous rotation of the left lifting plate and the right lifting plate are arranged in the ship-shaped shell, and an integrated locking mechanism for controlling the left lifting plate and the right lifting plate to be locked when the left lifting plate and the right lifting plate are completely unfolded and locked when the left lifting plate and the right lifting plate are completely closed is arranged on one side of each of the two rotation synchronous mechanisms;

the integrated locking mechanism comprises a fixed base fixedly arranged on the inner side of the ship-shaped shell through screws, the middle part of the fixed base is provided with a lock cavity A for placing a spring and a lock ball, the number of the lock balls is at least four, the lock balls are respectively two left lock balls which penetrate through the cavity wall on one side of the lock cavity A and are in interference fit with the arc-shaped end of the left lock arm, and two right lock balls which penetrate through the cavity wall on the other side of the lock cavity A and are in interference fit with the arc-shaped end of the right lock arm, springs for providing elastic force are sleeved between the left lock balls and the right lock balls which are opposite in position, one end of the left lock arm and one end of the right lock arm are respectively and rotatably connected with lock ports on two sides of the fixed base through two pin shafts, and the other end of;

the hinge mechanism further comprises at least four lifting synchronization mechanisms, the lifting synchronization mechanisms are used for driving the left hinge shell body to lift through the left lifting plate and driving the right hinge shell body to lift through the right lifting plate, each rotation synchronization mechanism comprises a slope-shaped rail piece correspondingly installed on the inner side of the left hinge shell body or the inner side of the right hinge shell body, the slope-shaped rail piece located on the left hinge shell body is connected with the two connecting seats fixedly installed on the left lifting plate in a guiding and sliding mode through a sliding rod in the slope-shaped rail piece, the slope-shaped rail piece located on the right hinge shell body is connected with the two connecting seats fixedly installed on the right lifting plate in a guiding and sliding mode through a sliding rod in the slope-shaped rail piece, and slope-shaped notches are arranged at the positions, right to the slope-shaped rail piece, of the.

2. The fold-in hinge adapted for use in a mobile fold-in terminal of claim 1, wherein: when the left lifting plate and the right lifting plate are completely unfolded to form an included angle of 0 degree or closed to form an included angle of 180 degrees, the elastic force applied to the left locking arm by the left locking ball matched spring is larger than the gravity borne by the left lifting plate along the opposite direction of the gravity, and the elastic force applied to the right locking arm by the right locking ball matched spring is larger than the gravity borne by the right lifting plate along the opposite direction of the gravity.

3. The fold-in hinge adapted for use in a mobile fold-in terminal of claim 1, wherein: the rotating synchronizing mechanism comprises a fixed mounting part and a first gear seat and a second gear seat which are opposite in position, a left gear and a right gear which are meshed and connected in a rotating mode are mounted between two holes in the bottom of the first gear seat and two holes in the bottom of the second gear seat, one side of the left gear is meshed and connected with a left gear wing plate fixedly mounted with a left lifting plate, one side of the right gear is meshed and connected with a right gear wing plate fixedly mounted with a right lifting plate, and the left gear wing plate and the right gear wing plate are connected with corresponding holes in the top of the first gear seat and the top of the second gear seat in a rotating mode through two rotating pins.

4. The fold-in hinge adapted for use in a mobile fold-in terminal of claim 1, wherein: the equal fixed mounting in inboard both ends of ship type casing has cooperation rotation lazytongs and lifter plate to realize the synchronous supplementary fixed block of pivoted of hinge left side casing and hinge right side casing, and one side of synchronous supplementary fixed block is fixed to be equipped with and arranges two outsides at ship type casing end in, is located two wherein two archs on the supplementary fixed block of synchronization and rotates with the rocking arm at hinge left side casing both ends and be connected, is located two other two archs on the supplementary fixed block of synchronization and rotates with the rocking arm at hinge right side casing both ends and be connected.

5. The fold-in hinge adapted for use in a mobile fold-in terminal of claim 1, wherein: and a shell cover plate, a left cover plate and a right cover plate which are kept to be flush are respectively arranged at the top of the ship-shaped shell, the top of the left lifting plate and the top of the right lifting plate.

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