CN210835803U - Inward-folding flexible screen terminal - Google Patents

Abstract

The utility model discloses an inward-folding flexible screen terminal, which comprises a left shell and a right shell, wherein a hinge mechanism which provides torsion, is unfolded and locked and drives the left shell and the right shell to synchronously rotate is arranged between the left shell and the right shell, the hinge mechanism comprises three first shrimp shell pieces, a second shrimp shell piece and a third shrimp shell piece which are arranged in parallel, and the inner sides of the first shrimp shell piece, the second shrimp shell piece and the third shrimp shell piece are provided with a torsion mechanism, a locking mechanism and a synchronization mechanism which realize the synchronous linkage of the three shrimp shell pieces and the shells; the utility model discloses a locking mechanical system who is equipped with makes left casing and right casing when launching completely, locks the hinge mechanism, avoids left casing and the unexpected rotation of right casing to locking mechanical system is simple, and mechanical reliability is better, increases the good sense of use at flexible screen terminal simultaneously, and when utilizing locking mechanical system to lock the hinge mechanism, left casing launches completely with right casing and is 180 degrees, avoids producing stress to flexible screen, further improves the life of flexible screen.

Description

Inward-folding flexible screen terminal

Technical Field

The utility model relates to an electronic equipment technical field, in particular to flexible screen terminal of infolding.

Background

A screen is a device used in electronic equipment to display images and colors. With the continuous development of scientific technology, flexible screens are gradually used by current electronic equipment. In order to meet the increasing demand for small and large size electronic devices, the flexible screen used for foldable displays is a hot research and development focus of current researchers.

The flexible screen is generally referred to as an OLED display screen, and is widely applied to a new generation of electronic devices to form a foldable terminal due to its characteristics of being thinner and more flexible, however, the existing fold-in flexible screen terminal has the following disadvantages:

1) when the shell of the inward-folding flexible screen terminal is unfolded, the hinge cannot provide torque force and has poor synchronism, so that the terminal cannot stop along with folding, the mechanical feedback sense is poor, the use experience of the terminal is poor, the flexible screen is easily damaged in the opening and closing process of the terminal, and the service life of a product is shortened;

2) when the shell of the fold-in flexible screen terminal is completely unfolded, the hinge lacks a necessary locking mechanism, so that the terminal has the defect of accidental rotation in the use process, the damage of terminal equipment is easily caused, and the service life of a product is further prolonged, and the user experience is further reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interior flexible screen terminal of rolling over to the hinge that the current flexible screen cell-phone that proposes in solving above-mentioned background art used can not provide torsion and synchronism relatively poor, makes the terminal possible along with rolling over and stopping along with, also very easily causes damage and the hinge to the flexible screen at the in-process that opens and shuts at the terminal lacks necessary locking mechanical system, makes the terminal have the problem of unexpected pivoted drawback in the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible screen terminal of infolding, includes left casing and right casing, install between left casing and the right casing and provide torsion, expansion locking and drive its two synchronous pivoted the hinge mechanism, the hinge mechanism includes three parallel arrangement's first shrimp shell spare, second shrimp shell spare and third shrimp shell spare, and the inboard of first shrimp shell spare, second shrimp shell spare and third shrimp shell spare is installed and is realized three shrimp shell spares and the synchronous linked torsion mechanism of casing, locking mechanical system and lazytongs of casing.

As a preferred technical proposal of the utility model, the torsion mechanism comprises a first toothed sliding part and a second toothed sliding part which are fixedly arranged with a left shell and a right shell respectively through screws, both sides of the first toothed sliding part are provided with a first crescent part and a first grooved arc vertical plate which are fixedly arranged with the inner side of the first shrimp shell through screws, the inner sides of the first crescent part and the first grooved arc vertical plate are both provided with arc guide grooves for guiding the sliding end of the first toothed sliding part, both sides of the second toothed sliding part are provided with a second crescent part and a perforated arc vertical plate which are fixedly arranged with the inner side of the first shrimp shell through screws, the inner sides of the perforated arc vertical plate and the second crescent part are both provided with arc guide grooves for guiding the sliding end of the second toothed sliding part, a first double-tooth rotating shaft is inserted and connected between the top end opening hole of the first crescent part and the top end opening hole of the perforated arc vertical plate, a second double-tooth rotating shaft is inserted and connected between the opening at the other end of the top of the arc-shaped vertical plate with the hole and the opening at one end of the top of the second crescent piece, one ring tooth of the first double-tooth rotating shaft is meshed and connected with a rack at the top of the sliding end of the first toothed sliding piece, one ring tooth of the second double-tooth rotating shaft is meshed and connected with a rack at the top of the sliding end of the second toothed sliding piece, the other ring tooth of the first double-tooth rotating shaft and the other ring tooth of the second double-tooth rotating shaft are both arranged between the first grooved arc-shaped vertical plate and the, and four transmission gears which provide torsion and can realize synchronous rotation of the first toothed sliding part and the second toothed sliding part are meshed and connected between two ring teeth arranged between the first grooved arc-shaped vertical plate and the perforated arc-shaped vertical plate, and the four transmission gears are mutually meshed and connected and are respectively and alternately connected with the first arc-shaped vertical plate with the groove and the pin shaft holes formed in the arc-shaped vertical plate with the hole through pin shafts.

As a preferred technical proposal of the utility model, the locking mechanism comprises a U-shaped lock seat fixedly arranged on the inner side of a first shrimp shell piece through a screw, two lock seat clapboards with opposite positions are fixedly arranged on the middle part of the U-shaped lock seat, dumbbell-shaped spring bolts are arranged on one side of the two lock seat clapboards, two spherical heads arranged on one side of the two dumbbell-shaped spring bolts pass through the openings opened on the corresponding lock seat clapboard and are arranged between the two lock seat clapboards, two convex columns arranged on the other side of the two dumbbell-shaped spring bolts are respectively sleeved with a spring I for resetting the dumbbell-shaped spring bolts, one end of the spring I is sleeved with the convex column arranged on the corresponding end of the U-shaped lock seat, the spherical heads on the same side of the two dumbbell-shaped spring bolts are alternately connected with the lock hole of the first T-shaped lock head, the spherical heads on the same side of the two dumbbell-shaped spring bolts are alternately connected with the lock hole of the second T, and the first T-shaped lock head and the second T-shaped lock head are respectively fixedly installed with the left shell and the right shell through screws.

As a preferred technical scheme of the utility model, locking mechanical system includes through the screw respectively with left casing and the fixed straight tapered end of right casing installation and a style of calligraphy lock seat, the one end of a style of calligraphy lock seat is equipped with the U type locked groove that matches with a style of calligraphy tapered end, all alternate in the both sides cell wall trompil of U type locked groove and be connected with and the relative straight type lock tongue in position, the spherical head of a style of calligraphy lock tongue one end alternates with the lockhole that a style of calligraphy tapered end was seted up and is connected, the straight type lock tongue other end cup joints with the spring two that arrange inside and can make its reset of a style of calligraphy lock seat in.

As a preferred technical scheme of the utility model, lazytongs includes through the screw respectively with left casing and the inboard first slider and the second slider of the installation of right casing inboard fixed, be equipped with second trough of belt arc riser between first slider and the second slider, one side of first slider and one side of second slider are equipped with through screw and first shrimp shell inboard fixed mounting's third crescent moon spare and fourth crescent moon spare respectively, and the arc guide way that is used for first slider slip end direction is all offered to the inboard of third crescent moon spare and one side of second trough of belt arc riser, the arc guide way that is used for second slider slip end direction is also all offered to the inboard of fourth crescent moon spare and the opposite side of second trough of belt arc riser.

As a preferred technical scheme of the utility model, there is the apron that the level and smooth support of flexible screen at the inboard top of first shrimp shell spare through the mounting screw, and the mounting panel that flushes and be used for installing the flexible screen with the apron is all installed to the inboard of left side casing and right casing.

As an optimal technical scheme of the utility model, the inboard and the first trough of belt arc riser, foraminiferous arc riser and the second trough of belt arc riser of first shrimp spare, second shrimp spare and third shrimp spare all are equipped with the arc spacing groove to locating the position.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a flexible screen terminal of infolding has following beneficial effect:

1) the hinge has a simple structure and reduces the production cost of the hinge through the torsion mechanism and the synchronization mechanism, and simultaneously, the ring gear in the torsion mechanism is matched with the rack and the transmission gear, so that the hinge mechanism has better synchronous rotation and linkage, and the torsion mechanism can provide better mechanical feedback feeling when the shell is opened and closed, thereby avoiding damaging the flexible screen at the terminal by excessive force and prolonging the service life of the flexible screen;

2) make left casing and right casing when launching completely through the locking mechanical system who is equipped with, lock the hinge mechanism, avoid left casing and right casing unexpected rotation to locking mechanical system is simple, and mechanical reliability is better, increases the good sense of use at flexible screen terminal simultaneously, and when utilizing locking mechanical system to lock the hinge mechanism, left casing and right casing launch completely and be 180 degrees, avoid producing stress to the flexible screen, further improve the life of flexible screen.

Drawings

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

fig. 2 is a schematic structural view of the main body of the embodiment 2 of the present invention;

fig. 3 is a schematic structural view of the torsion mechanism of the present invention;

fig. 4 is a schematic view of the split structure of the torsion mechanism of the present invention;

fig. 5 is a schematic structural view of a locking mechanism according to embodiment 1 of the present invention;

fig. 6 is a schematic view of a disassembled structure of a locking mechanism in embodiment 1 of the present invention;

fig. 7 is a schematic structural view of a locking mechanism according to embodiment 2 of the present invention;

fig. 8 is a schematic view of a split structure of a locking mechanism according to embodiment 2 of the present invention.

In the figure: 1. a left housing; 2. a right housing; 3. a hinge mechanism; 31. a first shrimp shell member; 32. a second shrimp shell member; 33. a third shrimp shell member; 3a, a torsion mechanism; 3a1, first crescent member; 3a2, a first toothed slider; 3a3, a first arc-shaped vertical plate with a groove; 3a4, a first double-tooth rotating shaft; 3a5, a second double-tooth rotating shaft; 3a6, drive gear; 3a7, a perforated arc-shaped vertical plate; 3a8, second toothed slider; 3a9, second piece of deciduous teeth; 3b, a locking mechanism; 3b1, a first T-shaped lock head; 3b2, a U-shaped lock seat; 3b21, lock seat partition plate; 3b3, a second T-shaped lock head; 3b4, spring one; 3b5, dumbbell shaped tongue; 3b6, a straight tapered end; 3b7, a straight-line lock seat; 3b71, U-shaped locking groove; 3b8, spring two; 3b9, a linear latch; 3c, a synchronizing mechanism; 3c1, a first slide; 3c2, third crescent; 3c3, a second arc-shaped vertical plate with a groove; 3c4, second slide; 3c5, fourth crescent.

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

Please refer to fig. 1-5, the utility model provides an end is shielded to flexible in inflection, including left casing 1 and right casing 2, install between left casing 1 and the right casing 2 and provide torsion, expand the locking and drive its two synchronous pivoted hinge mechanism 3, hinge mechanism 3 includes three parallel arrangement's first shrimp shell spare 31, second shrimp shell spare 32 and third shrimp shell spare 33, and the inboard of first shrimp shell spare 31, second shrimp shell spare 32 and third shrimp shell spare 33 is installed and is realized three shrimp shell spares and the synchronous linkage's of casing torsion mechanism 3a, locking mechanical system 3b and lazytongs 3c, make the hinge provide torsion to the rotation of casing through the torsion mechanism 3a that is equipped with, locking mechanical system 3b and lazytongs 3c, can realize the auto-lock when the casing expands, and the casing is synchronous when rotating.

Further, the torsion mechanism 3a includes a first toothed sliding member 3a2 and a second toothed sliding member 3a8 fixedly installed with the left housing 1 and the right housing 2 respectively by screws, both sides of the first toothed sliding member 3a2 are provided with a first crescent member 3a1 and a first slotted arc-shaped vertical plate 3a3 fixedly installed with the inner side of the first shrimp shell member 31 by screws, both inner sides of the first crescent member 3a1 and the first slotted arc-shaped vertical plate 3a3 are provided with arc-shaped guide slots for guiding the sliding end of the first toothed sliding member 3a2, both sides of the second toothed sliding member 3a8 are provided with a second crescent member 3a9 and a slotted arc-shaped vertical plate 3a7 fixedly installed with the inner side of the first shrimp shell member 31 by screws, and both inner sides of the slotted arc-shaped vertical plate 3a7 and the second crescent member 3a9 are provided with arc-shaped guide slots for guiding the sliding end of the second slotted sliding end of the second shrimp shell member 3a8, and the top portion 7 a of the arc-shaped vertical plate 853 a penetrating through the first slotted opening is connected between the top of the A double-tooth rotating shaft 3a4, a second double-tooth rotating shaft 3a5 is inserted and connected between an opening at the other end of the top of the perforated arc-shaped vertical plate 3a7 and an opening at one end of the top of the second february element 3a9, one ring tooth of the first double-tooth rotating shaft 3a4 is in meshed connection with a top rack of a sliding end of the first toothed sliding element 3a2, one ring tooth of the second double-tooth rotating shaft 3a5 is in meshed connection with a top rack of a sliding end of the second toothed sliding element 3a8, the other ring tooth of the first double-tooth rotating shaft 3a4 and the other ring tooth of the second double-tooth rotating shaft 3a5 are both placed between the first slotted arc-shaped vertical plate 3a3 and the perforated arc-shaped vertical plate 3a7, and four transmission gears 6 which are engaged and connected between the two ring teeth placed between the first slotted arc-shaped vertical plate 3a3 and the perforated arc-shaped vertical plate 3a7 to provide torsion and realize synchronous rotation of the first, and four transmission gears 3a6 are meshed with each other and are respectively connected with the pin shaft holes formed on the first arc-shaped vertical plate 3a3 with the slot and the arc-shaped vertical plate 3a7 with the hole in an inserting way through pin shafts, and in the rotating process of the torsion mechanism 3a, the ring teeth are meshed with the corresponding rack and the transmission gear 3a6, so that certain torsion and better mechanical feedback are provided, the shell can be opened and closed at any time in the opening and closing process, and the use of the terminal is facilitated.

Further, the locking mechanism 3b comprises a U-shaped lock seat 3b2 fixedly mounted on the inner side of the first shrimp shell 31 by screws, two lock seat partition plates 3b21 opposite in position are fixedly mounted in the middle of the U-shaped lock seat 3b2, one side of each of the two lock seat partition plates 3b21 is provided with a dumbbell-shaped bolt 3b5, two spherical heads arranged on one side of each of the two dumbbell-shaped bolts 3b5 penetrate through openings formed in the corresponding lock seat partition plates 3b21 and are placed between the two lock seat partition plates 3b21, two convex columns arranged on the other side of each of the two dumbbell-shaped bolts 3b5 are respectively sleeved with a spring-3 b4 for resetting the dumbbell-shaped bolt 3b5, one end of the spring-3 b4 is sleeved with a convex column arranged on the end of the U-shaped lock seat 3b2, the spherical heads arranged on the same side of the two dumbbell-shaped bolts 3b5 are connected with a lock hole of the first T-shaped lock head 1, and the two dumbbell-shaped bolts 3b5 are inserted into a lock hole 3, and first T type tapered end 3b1 and second T type tapered end 3b3 install fixedly with left casing 1 and right casing 2 respectively through the screw, realize the auto-lock of hinge mechanism 3 through the locking mechanical system 3b that is equipped with, avoid the unexpected rotation of left casing 1 and right casing 2 after the full expansion.

Further, the synchronizing mechanism 3c comprises a first sliding part 3c1 and a second sliding part 3c4 which are respectively fixedly installed on the inner sides of the left shell 1 and the right shell 2 through screws, a second grooved arc-shaped vertical plate 3c3 is arranged between the first sliding part 3c1 and the second sliding part 3c4, a third crescent moon piece 3c2 and a fourth crescent moon piece 3c5 which are respectively fixedly installed on the inner sides of the first shrimp shell pieces 31 through screws are arranged on one side of the first sliding part 3c1 and one side of the second sliding part 3c4, and the arc guide slot that is used for first slider 3c1 to slide end direction is all seted up to the inboard of third crescent piece 3c2 and one side of second trough of belt arc riser 3c3, and the arc guide slot that is used for second slider 3c4 to slide end direction is also all seted up to the inboard of fourth crescent piece 3c5 and the opposite side of second trough of belt arc riser 3c3, and synchronous revolution is carried out between left casing 1 and right casing 2 and the shrimp shell spare to lazy motion realization 3 c.

Further, the cover plate for smoothly supporting the flexible screen is installed at the top of the inner side of the first shrimp shell piece 31 through screws, the mounting plates which are flush with the cover plate and used for mounting the flexible screen are installed on the inner sides of the left shell 1 and the right shell 2, the flexible screen can be smoothly supported by the cover plate and the mounting plates, and stress generated in the rotating process of the hinge mechanism 3 is reduced.

Specifically, when needing to use this kind of flexible screen terminal of inflection, at first pull left casing 1 and right casing 2, the torsion mechanism 3a of hinge mechanism 3 provides torsion, and lazytongs 3c realizes that left casing 1 and right casing 2 rotate in step, and concrete process is as follows:

when the left shell 1 and the right shell 2 are relatively unfolded, acting forces respectively act on the first toothed slider 3a2 and the second toothed slider 3a8, the sliding end of the first toothed slider 3a2 slides in the arc-shaped guide grooves formed in the inner sides of the first crescent piece 3a1 and the first grooved arc-shaped vertical plate 3a3 in a limiting manner, and the sliding first toothed slider 3a2 drives the first double-tooth rotating shaft 3a4 to rotate as the rack of the first toothed slider 3a2 is meshed with one of the ring teeth of the first double-tooth rotating shaft 3a 4; the sliding end of the second toothed sliding part 3a8 slides in a limited manner in the arc-shaped guide grooves formed in the inner sides of the second crescent member 3a9 and the arc-shaped upright plate with a hole 3a7, and because the rack of the second toothed sliding part 3a8 is meshed with one ring tooth of the second dual-toothed rotating shaft 3a5, the sliding second toothed sliding part 3a8 drives the second dual-toothed rotating shaft 3a5 to rotate, during the rotation, the other ring tooth of the first dual-toothed rotating shaft 3a4 and the other ring tooth of the second dual-toothed rotating shaft 3a5 are meshed with two transmission gears 3a6, and under the action of the four meshed transmission gears 3a6, the first dual-toothed rotating shaft 3a4 and the second dual-toothed rotating shaft 3a5 enable the first toothed sliding part 3a2 to drive the left housing 1 and the second toothed sliding part 3a8 to drive the right housing 2 to rotate synchronously, and during the rotation, the ring teeth are meshed with the corresponding rack and the corresponding transmission gear 6, a certain torque force and better mechanical feedback are provided, and the shell can be opened and closed at any time in the opening and closing process, so that the terminal is convenient to use; when the left casing 1 and the right casing 2 are relatively unfolded, an acting force also acts on the first sliding part 3c1 and the second sliding part 3c4, the sliding end of the first sliding part 3c1 slides in the arc-shaped guide grooves formed in the inner side of the third crescent 3c2 and the one side of the second groove arc-shaped vertical plate 3c3 in a limiting manner, the sliding end of the second sliding part 3c4 slides in the arc-shaped guide grooves formed in the inner side of the fourth crescent 3c5 and the other side of the second groove arc-shaped vertical plate 3c3 in a limiting manner, and the first sliding part 3c1 is enabled to cooperate with the torsion mechanism 3a to drive the left casing 1 and the second sliding part 3c4 to cooperate with the torsion mechanism 3a to drive the right casing 2 to synchronously link.

When the left shell 1 and the right shell 2 are unfolded, the rotated left shell 1 and the rotated right shell 2 drive the first T-shaped lock head 3b1 and the second T-shaped lock head 3b3 to approach the U-shaped lock seat 3b2, and the lock hole at one end of the first T-shaped lock head 3b1 is in sleeve joint locking with the spherical head at one corresponding side of the two dumbbell-shaped lock tongues 3b5, and the lock hole at one end of the second T-shaped lock head 3b3 is in sleeve joint locking with the spherical head at the other corresponding side of the two dumbbell-shaped lock tongues 3b5, so that the self-locking of the hinge mechanism 3 is realized, the completely unfolded left shell 1 and the right shell 2 are prevented from rotating accidentally, when the left shell 1 and the right shell 2 are closed, the rotated left shell 1 and the right shell 2 enable the first T-shaped lock head 3b1 and the second T-shaped lock head 3b3 to be separated from the U-shaped lock seat 3b2, and the synchronous rotation and linkage process between the shrimp shell and.

Example 2

Referring to fig. 6-8, the present invention provides an inward-folding flexible screen terminal, which comprises a left casing 1 and a right casing 2, wherein a hinge mechanism 3 for providing torque, unfolding and locking the left casing 1 and the right casing 2 and driving the two to rotate synchronously is installed between the left casing 1 and the right casing 2, the hinge mechanism 3 comprises three first shrimp shell members 31, a second shrimp shell member 32 and a third shrimp shell member 33 which are arranged in parallel, and a torque mechanism 3a, a locking mechanism 3b and a synchronizing mechanism 3c for realizing synchronous linkage of the three shrimp shell members and the casings are installed at the inner sides of the first shrimp shell member 31, the second shrimp shell member 32 and the third shrimp shell member 33, the locking mechanism 3b comprises a linear lock head 3b6 and a linear lock seat 3b7 which are respectively fixed with the left casing 1 and the right casing 2 by screws, one end of the linear lock seat 3b7 is provided with a U-shaped lock groove 3b71 which is matched with the end of the linear lock head 3b6, both sides of the U-shaped lock groove 3b71 are connected with a corresponding open-shaped lock tongue 9, the spherical head of one end of the I-shaped bolt 3b9 is inserted into and connected with a lock hole formed in the end of the I-shaped lock head 3b6, the other end of the I-shaped bolt 3b9 is sleeved with a second spring 3b8 which is arranged inside the I-shaped lock seat 3b7 and can reset the bolt, arc-shaped limiting grooves are formed in the positions where the inner sides of the first shrimp shell component 31, the second shrimp shell component 32 and the third shrimp shell component 33 are opposite to the first groove-shaped arc-shaped vertical plate 3a3, the hole-shaped arc-shaped vertical plate 3a7 and the second groove-shaped arc-shaped vertical plate 3c3, and the first groove-shaped arc-shaped vertical plate 3a3, the hole-shaped arc-shaped vertical plate 3a7 and the second groove-shaped vertical plate 3c3 guide and limit sliding on the inner sides of the first shrimp shell component 31, the second shrimp shell component 32 and the third shrimp shell component 33 through.

Specifically, when the user needs to use the foldable flexible screen device, the torsion mechanism 3a of the hinge mechanism 3 is also consistent with the description of embodiment 1 for providing torsion while pulling the left housing 1 and the right housing 2, and the synchronization mechanism 3c is also consistent with the description of embodiment 1 for achieving the synchronous rotation of the left housing 1 and the right housing 2.

When the left shell 1 and the right shell 2 are unfolded, the rotating left shell 1 drives the linear lock head 3b6 and the right shell 2 drives the linear lock seat 3b7 to be closed, the lock hole at the end of the linear lock head 3b6 is sleeved with the spherical head at one end of the linear lock tongue 3b9, the linear lock tongue 3b9 is matched with the linear lock head 3b6 to realize the locking of the hinge mechanism 3, the complete unfolding state of the left shell 1 and the right shell 2 is further realized, the unfolded left shell 1 and the unfolded right shell 2 are prevented from rotating accidentally, when the left shell 1 and the right shell 2 are closed, the rotating left shell 1 and the rotating right shell 2 separate the linear lock head 3b6 from the linear lock seat 3b7, and the synchronous rotation and linkage process between the shrimp shell and the shells are not influenced.

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 (7)

1. The utility model provides a flexible screen terminal of infolding, includes left casing and right casing, its characterized in that, install between left side casing and the right casing and provide torsion, expansion locking and drive its two synchronous pivoted the hinge mechanism, the hinge mechanism includes three parallel arrangement's first shrimp shell spare, second shrimp shell spare and third shrimp shell spare, and the inboard of first shrimp shell spare, second shrimp shell spare and third shrimp shell spare is installed and is realized three shrimp shell spares and the synchronous linkage's of casing torsion mechanism, locking mechanical system and lazytongs.

2. The fold-in flexible screen terminal of claim 1, wherein: the torsion mechanism comprises a first toothed sliding part and a second toothed sliding part which are fixedly installed with a left shell and a right shell respectively through screws, the two sides of the first toothed sliding part are provided with a first crescent part and a first toothed arc vertical plate which are fixedly installed with the inner side of a first shrimp shell part through screws, the inner sides of the first crescent part and the first toothed arc vertical plate are provided with arc guide grooves used for guiding the sliding end of the first toothed sliding part, the two sides of the second toothed sliding part are provided with a second crescent part and a perforated arc vertical plate which are fixedly installed with the inner side of the first shrimp shell part through screws, the inner sides of the perforated arc vertical plate and the second crescent part are provided with arc guide grooves used for guiding the sliding end of the second toothed sliding part, a first double-tooth rotating shaft is inserted between the top one end hole of the first crescent part and the top one end hole of the perforated arc vertical plate, and a second double-tooth rotating shaft is connected between the top other end hole of the perforated arc vertical plate and the top one end hole The double-tooth rotating shaft is characterized in that one ring tooth of the first double-tooth rotating shaft is meshed with a rack at the top of a sliding end of the first toothed sliding part, one ring tooth of the second double-tooth rotating shaft is meshed with a rack at the top of a sliding end of the second toothed sliding part, the other ring tooth of the first double-tooth rotating shaft and the other ring tooth of the second double-tooth rotating shaft are arranged between the first slotted arc-shaped vertical plate and the perforated arc-shaped vertical plate, and four transmission gears which provide torsion and can realize synchronous rotation of the first toothed sliding part and the second toothed sliding part are meshed and connected between the two ring teeth arranged between the first slotted arc-shaped vertical plate and the perforated arc-shaped vertical plate in a meshed mode and are respectively meshed and connected with the first slotted arc-shaped vertical plate and the perforated arc-shaped vertical plate through pin.

3. The fold-in flexible screen terminal of claim 1, wherein: the locking mechanism comprises a U-shaped lock seat fixedly arranged on the inner side of the first shrimp shell piece through a screw, two lock seat clapboards which are opposite in position are fixedly arranged in the middle of the U-shaped lock seat, dumbbell-shaped lock tongues are arranged on one side of each of the two lock seat clapboards, two spherical heads arranged on one side of the two dumbbell-shaped lock tongues penetrate through the openings formed on the corresponding lock seat partition plates and are arranged between the two lock seat partition plates, two convex columns arranged on the other side of the two dumbbell-shaped lock tongues are respectively sleeved with a first spring for resetting the dumbbell-shaped lock tongues, one end of the first spring is sleeved with the convex column arranged on the end head of the U-shaped lock seat, the spherical heads of the two dumbbell-shaped lock tongues positioned on the same side are alternately connected with the lock hole of the first T-shaped lock head, the spherical heads of the two dumbbell-shaped lock tongues positioned on the other side are alternately connected with the lock hole of the second T-shaped lock head, and the first T-shaped lock head and the second T-shaped lock head are respectively fixedly installed with the left shell and the right shell through screws.

4. The fold-in flexible screen terminal of claim 1, wherein: the locking mechanism comprises a linear lock head and a linear lock seat which are respectively fixed with the left shell and the right shell through screws, one end of the linear lock seat is provided with a U-shaped lock groove matched with the end of the linear lock head, two side groove wall openings of the U-shaped lock groove are internally and alternately connected with linear lock tongues with opposite positions, a spherical head at one end of each linear lock tongue is alternately connected with a lock hole formed in the end of the linear lock head, and the other end of each linear lock tongue is sleeved with a spring II which is arranged in the linear lock seat and can reset the linear lock tongue.

5. The fold-in flexible screen terminal of claim 2, wherein: the synchronizing mechanism comprises a first sliding part and a second sliding part which are respectively fixed with the inner sides of the left shell and the right shell through screws, a second belt groove arc-shaped vertical plate is arranged between the first sliding part and the second sliding part, one side of the first sliding part and one side of the second sliding part are provided with a third crescent part and a fourth crescent part which are respectively fixedly installed on the inner sides of the first shrimp shell through screws, an arc-shaped guide groove used for guiding the sliding end of the first sliding part is formed in the inner side of the third crescent part and one side of the second belt groove arc-shaped vertical plate, and an arc-shaped guide groove used for guiding the sliding end of the second sliding part is formed in the inner side of the fourth crescent part and the other side of the second belt groove arc-shaped vertical plate.

6. The fold-in flexible screen terminal of claim 1, wherein: the inboard top of first shrimp shell spare has the apron that the flexible screen is level and smooth to be supported through the screw mounting, and the inboard of left casing and right casing is all installed and is leveled and be used for installing the mounting panel of flexible screen with the apron.

7. The fold-in flexible screen terminal of claim 5, wherein: the positions of the inner sides of the first shrimp shell piece, the second shrimp shell piece and the third shrimp shell piece, which are opposite to the first grooved arc-shaped vertical plate, the perforated arc-shaped vertical plate and the second grooved arc-shaped vertical plate are respectively provided with an arc-shaped limiting groove.

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