CN218830005U - Connecting rod type circular-moving bending hinge of flexible screen folding mobile phone - Google Patents

Connecting rod type circular-moving bending hinge of flexible screen folding mobile phone Download PDF

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CN218830005U
CN218830005U CN202222408781.0U CN202222408781U CN218830005U CN 218830005 U CN218830005 U CN 218830005U CN 202222408781 U CN202222408781 U CN 202222408781U CN 218830005 U CN218830005 U CN 218830005U
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rotating
arm
connecting arm
movable frame
hole
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文秀江
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Dongguan Jinfeng Electronics Co Ltd
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Dongguan Jinfeng Electronics Co Ltd
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract

The utility model discloses a connecting rod formula displacement bending hinge of flexible screen folding cell-phone, the on-line screen storage device comprises a base, be equipped with the displacement subassembly on the base, the base both sides are equipped with first connecting arm, second connecting arm and second adjustable shelf, the displacement subassembly comprises four groups of connecting rods, and two pairs of symmetric distributions of connecting rod are in the base both sides, the connecting rod with be equipped with the connecting piece between the first connecting arm, be equipped with first connecting hole and second connecting hole on the connecting rod respectively, be equipped with first round pin axle on the connecting rod of homonymy between the first connecting hole, be equipped with the second round pin axle between the second connecting hole, be equipped with the second rotation post on the first connecting arm; the connecting piece is linked with the connecting rod and the first rotating arm to realize rotary-to-circular-shift type rotary fit; the first connecting arm is provided with a first movable frame in a linkage mode, the first movable frame is provided with a second pin hole, and the second pin hole is connected with the second pin shaft in a rotating mode to achieve linkage of the first connecting arm and the first movable frame.

Description

Connecting rod type circular-moving bending hinge of flexible screen folding mobile phone
Technical Field
The utility model relates to a telephone design technical field especially relates to a folding cell-phone design technique of flexible screen, the hinge of buckling is moved in the connecting rod formula circle of the folding cell-phone of concretely relates to nature screen.
Background
Compared with a traditional backlight source screen (LCD), the flexible screen (OLED) can self-illuminate, can realize excellent image quality through self-illuminating, and is natural in color development and free of harm of blue light; the screen can be flexibly applied and can be bent and folded; the mobile phone screen is flexible, light and thin, does not generate heat, is comfortable in hand feeling, can create various screen forms such as a flexible screen, a curved screen and a folding screen, and meets the development requirements of mobile phones. In the future, the flexible screen can be widely applied along with the continuous penetration of the personal intelligent terminal, and can also be used for various flexible screen electronic terminal products, such as: panel, display and intelligent wearing equipment etc..
Flexible screen generally comprises multilayer macromolecular material and OCA optical cement, and the complete flexible display screen that multilayer display material constitutes, has formed many neutral layers on its pile structure, because the relation that the multilayer was piled up, factors such as elastic change can appear in the different stromatolites of flexible display screen, and its motion trail of buckling must be anomalous, and when flexible screen used on folding screen cell-phone, need possess good plasticity and ductility, test lies in: after repeated stretching and compression, whether the screen can still keep no crease and no damage; whether a circuit board and components in the mobile phone can withstand folding and bending and the like; secondly, the bending area of the whole screen of the foldable mobile phone is connected with the middle frame or the shell through a precise hinge to realize the bending and supporting of the screen; at the same time, the hinge is sufficiently durable and reliable to withstand twenty-thousand folds without error. The joint angle between the hinge and the screen is one of the technical difficulties of the foldable mobile phone, and the problems of low processing yield and high cost are urgently needed to be solved.
The functions are realized by a precise microstructure hinge, the conventional hinge can basically realize simple functions of damping torque force and synchronization, the problems of crease elimination and service life guarantee cannot be completely solved, and the requirements of high precision and cost of industrial manufacturing cannot be met.
One of the interior folding mode mainstream form that the folding cell-phone that current flexible screen used adopted realizes the water droplet form for buckling the back in the region of buckling, except the water droplet form of standard, difference water droplet form other than the standard form in addition, it is simple to say, also be the novel water droplet form that traditional U type and water droplet combined together, no matter be the water droplet physique, still the novel water droplet form that U type and water droplet combined together, its core component lies in the settlement of motion, and form control then relies on supplementary subassembly to realize, its core component needs to satisfy the commonality and just does benefit to the industrial manufacturing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the weak point among the prior art and provide the connecting rod formula of folding cell-phone of nature screen and shift hinge of buckling.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the connecting rod type circular-moving bending hinge of the flexible screen folding mobile phone comprises a base, wherein a circular-moving assembly is arranged on the base, a first connecting arm, a second connecting arm and a second movable frame are arranged on two sides of the base, the circular-moving assembly is composed of four groups of connecting rods, the connecting rods are symmetrically distributed on two sides of the base in pairs, a connecting piece is arranged between each connecting rod and the first connecting arm, the connecting rods are respectively provided with a first connecting hole and a second connecting hole, a first pin shaft is arranged between the first connecting holes on the connecting rods on the same side, a second pin shaft is arranged between the second connecting holes, and a second rotating column is arranged on each first connecting arm; the connecting piece is linked with the connecting rod and the first rotating arm to realize rotating and circular movement type rotating matching;
the first connecting arm is provided with a first movable frame in a linkage mode, the first movable frame is provided with a second pin hole, and the second pin hole is connected with the second pin shaft in a rotating mode to achieve linkage of the first connecting arm and the first movable frame.
Particularly, the first movable frame is provided with an arc groove and a sliding block; the second movable frame is provided with an arc block, and the arc block is in sliding fit in the arc groove to realize linkage fit of the first movable frame and the second movable frame;
the second connecting arm and the first connecting arm are respectively provided with a side edge straight sliding groove, the side edge straight sliding grooves are in sliding fit with the sliding blocks to achieve linkage fit of the first connecting arm, the second connecting arm and the second movable frame, and bending track control of a water droplet shape is achieved synchronously.
Particularly, the first connecting arm and the second connecting arm are respectively provided with a strip-shaped groove and a first sliding shaft, the second movable frame is provided with a curve groove and a second sliding shaft, the first sliding shaft is in sliding fit in the curve groove, the second sliding shaft is in sliding fit in the strip-shaped groove to finish double-track bending rotation, and in the bending rotation process, the front section of the track changes from a U-shaped mimicry state to the rear section of the track, and the rotation control is finished after the water drop-shaped mimicry state is excessive.
Particularly, the outer end of the base is provided with an end face connecting plate, a gear is arranged between the first connecting arms, insections are arranged on the first connecting arms, the insections and the gear are meshed with each other to realize synchronous rotation within a bending range of 0-180 degrees, and the gear is connected with the end face connecting plate through an arranged gear shaft. The base and the first connecting arm are connected and positioned.
Particularly, the base is provided with connecting shafts which are symmetrically distributed, the connecting shafts are connected with the second connecting arm in a penetrating mode in a combined mode, the connecting shafts are provided with concave wheel connecting plates, the concave wheel connecting plates are matched with the cams on the second connecting arm in a concave-convex mode to achieve clamping point self-locking at 0-degree and 180-degree positions, and springs for achieving elasticity and torsion control are arranged on the connecting shafts.
Particularly, the connecting pieces are four groups of forward connecting pieces, the connecting rod is provided with a first rotating column, the forward connecting pieces are provided with a first rotating hole and a second rotating hole, and the first rotating column is rotatably connected with the first rotating hole to realize linkage matching between the forward connecting pieces and the connecting rod; the second rotating hole is matched with the second rotating column in a rotating mode to achieve linkage matching between the forward connecting piece and the first connecting arm.
Particularly, the connecting pieces are two groups of reverse connecting pieces which are arranged, a first rotating hole and a second rotating hole are formed in each reverse connecting piece, and the first pin shaft is rotationally connected with the first rotating hole to realize linkage fit between the reverse connecting pieces and the connecting rods; the second rotating hole is matched with the second rotating column in a rotating mode to achieve linkage matching between the reverse connecting piece and the first connecting arm.
The beneficial effects of the utility model reside in that: the utility model provides a connecting rod formula circular shift hinge of buckling of folding cell-phone of nature screen comprises connecting rod and connecting piece circular shift slewing mechanism, the embodiment of nimble reverse linkage and forward linkage realizes through normal running fit that the circular shift is buckled, wholly realize 0-180 degrees synchronous rotation effect, slewing mechanism global design is nimble, can realize the novel water droplet form track of bending or the track of bending of traditional water droplet form of double track linkage respectively, when guaranteeing life, effectively eliminate regional crease and pincher trees of buckling.
Drawings
Fig. 1 is a schematic view of a hinge structure in the embodiment of the patent.
Fig. 2 is an overall exploded view of the hinge structure in the embodiment of this patent.
Fig. 3 is one of the assembly views of the hinge structure portion in the embodiment of this patent.
Fig. 4 is a second view of the assembly of the hinge structure in the embodiment of this patent.
Fig. 5 is a third diagram of the assembly of the hinge structure part in the embodiment of the present patent.
FIG. 6 is a fourth illustration of the assembly of the hinge structure portion of the embodiment of this patent.
Figure 7 is five of a partial alternative embodiment of the hinge in this patent example.
Figure 8 is a diagram of the assembly of the hinge solution in the embodiment of this patent.
Figure 9 is a diagram of the assembly of the hinge solution in the embodiment of this patent.
FIG. 10 is a schematic view of embodiment 1 in the example of this patent.
FIG. 11 is a second schematic diagram of embodiment 1 in the present patent.
Fig. 12 is a schematic view of a conventional water droplet form.
Fig. 13 is a schematic view showing the configuration of the present patent.
Detailed Description
The invention is further described below with reference to the drawings in the specification:
example 1:
as shown in fig. 1-13, the link-type circular-motion bending hinge of the flexible-screen folding mobile phone disclosed in this embodiment includes a base 1, a circular-motion assembly is disposed on the base 1, a first connecting arm 7, a second connecting arm 2, and a second movable frame 3 are disposed on two sides of the base, the circular-motion assembly is composed of four groups of connecting rods 4, the connecting rods 4 are symmetrically disposed on two sides of the base 1 in pairs, a connecting member 5 is disposed between each two connecting rods 4 and the first connecting arm 7, the connecting rods 4 are respectively provided with a first connecting hole 41 and a second connecting hole 42, a first pin 6 is disposed between the first connecting holes 41 on the connecting rods 4 on the same side, a second pin 15 is disposed between the second connecting holes 42, and the first connecting arm 7 is provided with a second rotating column 71; the connecting piece 5 is linked with the connecting rod 4 and the first rotating arm 7 to realize rotating and circular moving type rotating matching; the first connecting arm 7 is provided with a first movable frame 8 in a linkage manner, the first movable frame 8 is provided with a second pin hole 81, and the second pin hole 81 is connected with the second pin shaft 15 in a rotating manner to realize linkage of the first connecting arm 7 and the first movable frame 8.
Scheme 1: the connecting pieces 5 are four groups of forward connecting pieces which are arranged in a forward mode, the connecting rod 4 is provided with a first rotating column 43, the connecting piece 5 is provided with a first rotating hole 51 and a second rotating hole 52, and the first rotating column 43 is rotatably connected with the first rotating hole 51 to achieve linkage matching between the forward connecting piece 4 and the connecting rod 5; the second rotating hole 52 and the second rotating column 71 are in rotating fit to realize linkage fit between the forward connecting piece 5 and the first connecting arm 7.
Scheme 2: the connecting pieces 5 are two groups of reverse connecting pieces which are arranged, a first rotating hole 51 and a second rotating hole 52 are formed in each reverse connecting piece 5, and the first pin shaft 6 is rotatably connected with the first rotating hole 51 to realize linkage fit between the reverse connecting pieces 5 and the connecting rods 4; the second rotating hole 52 and the second rotating column 71 are in rotating fit to realize linkage fit between the reverse connecting piece 5 and the first connecting arm 7.
In the above embodiment, the bending track of the hinge can be set to be a conventional water drop shape or a novel water drop shape formed by changing the front section stroke in a U-shaped mimicry mode to the rear section stroke in a water drop-shaped mimicry mode.
As shown in fig. 1 to 8 and fig. 12, when the bending track is in the form of a water droplet, the second connecting arm 2 and the first connecting arm 7 are both provided with a side straight chute 201, and the side straight chute 201 and the slider 83 are in sliding fit to realize the linkage fit of the first connecting arm 7, the second connecting arm 2 and the second movable frame 8, thereby synchronously realizing the control of the bending track in the form of a water droplet.
As shown in fig. 9 and 13, when the bending track is a novel water-drop-like shape formed after the front-stage travel changes from the U-shaped mimicry to the rear-stage travel changes from the water-drop-shaped mimicry, the first connecting arm 7 and the second connecting arm 2 are respectively provided with a strip-shaped groove 202 and a first sliding shaft 203, the second movable frame 8 is provided with a curved groove 204 and a second sliding shaft 205, the first sliding shaft 203 is in sliding fit in the curved groove 204, the second sliding shaft 205 is in sliding fit in the strip-shaped groove 202 to complete the double-track bending rotation, and in the bending rotation process, the front-stage travel of the track changes from the U-shaped mimicry to the rear-stage travel changes from the water-drop-shaped mimicry to the rear-stage travel and then completes the rotation control.
In this embodiment, the outer end of the base 1 is provided with an end face connecting plate 9, a gear 10 is arranged between the first connecting arms 7, the first connecting arms 7 are provided with insections 72, the insections 72 and the gear 10 are mutually meshed to realize synchronous rotation within a bending range of 0-180 degrees, and the gear 10 is connected and positioned with the end face connecting plate 9, the base 1 and the first connecting arms 7 through a gear shaft 11. The base 1 is provided with a connecting shaft 12 which is symmetrically distributed, the connecting shaft 12 is connected with the second connecting arm 2 in a penetrating type combined connection mode, a concave wheel connecting plate 13 is arranged on the connecting shaft 12, the concave wheel connecting plate 13 is matched with a cam on the second connecting arm 2 in a concave-convex mode to achieve the self-locking of clamping points at 0-degree and 180-degree positions, and a spring 14 for achieving elasticity and torque control is arranged on the connecting shaft 12.
In all the above embodiments, the engagement of the insection on the first connecting arm with the gear mainly achieves the function of satisfying the synchronous rotation function in the range of 0 to 180 degrees, and the achievement of the synchronization is not limited to the above-mentioned manner.
The basic principle of the above embodiment is as follows:
the connecting rod and the connecting piece form a circular moving type rotating mechanism, circular moving bending is achieved through rotation fit in a flexible mode of selecting reverse linkage and forward linkage, the whole body achieves 0-180-degree synchronous rotation effect, the rotating mechanism is flexible in overall design, a novel water drop shape bending track of double-track linkage or a bending track of a traditional water drop shape can be achieved respectively, service life is guaranteed, and meanwhile creases and wrinkles of a bending area are effectively eliminated.
It is right only to go up the preferred embodiment of the utility model discloses a it is not right the scope of the utility model is injectd, so under the prerequisite that does not deviate from the design spirit of the utility model, ordinary engineering technical personnel in the field are right the structure, the equivalent change or the decoration that characteristic and principle were done all should fall into the utility model discloses in the protection range of the application for a patent.

Claims (7)

1. The connecting rod formula of flexible screen folding mobile phone moves hinge of buckling, its characterized in that: the base is provided with a circular moving assembly, a first connecting arm, a second connecting arm and a second movable frame are arranged on two sides of the base, the circular moving assembly is composed of four groups of connecting rods, the connecting rods are symmetrically distributed on two sides of the base in pairs, a connecting piece is arranged between each connecting rod and the corresponding first connecting arm, the connecting rods are respectively provided with a first connecting hole and a second connecting hole, a first pin shaft is arranged between the first connecting holes on the connecting rods on the same side, a second pin shaft is arranged between the second connecting holes, and a second rotating column is arranged on each first connecting arm; the connecting piece is linked with the connecting rod and the first rotating arm to realize rotating and circular movement type rotating matching;
the first connecting arm is provided with a first movable frame in a linkage mode, the first movable frame is provided with a second pin hole, and the second pin hole is connected with the second pin shaft in a rotating mode to achieve linkage of the first connecting arm and the first movable frame.
2. The link-type circular-motion bending hinge of the flexible-screen folding mobile phone according to claim 1, characterized in that: the first movable frame is provided with an arc groove and a sliding block; the second movable frame is provided with an arc block, and the arc block is in sliding fit in the arc groove to realize linkage fit of the first movable frame and the second movable frame;
the second connecting arm and the first connecting arm are respectively provided with a side edge straight sliding groove, the side edge straight sliding grooves are in sliding fit with the sliding blocks to achieve linkage fit of the first connecting arm, the second connecting arm and the second movable frame, and bending track control of a water droplet shape is achieved synchronously.
3. The link-type circular-motion bending hinge of the flexible-screen folding mobile phone according to claim 1, characterized in that: the first connecting arm and the second connecting arm are respectively provided with a strip-shaped groove and a first sliding shaft, the second movable frame is provided with a curve groove and a second sliding shaft, the first sliding shaft is in sliding fit in the curve groove, the second sliding shaft is in sliding fit in the strip-shaped groove to finish double-track bending rotation, and in the bending rotation process, the front section of the track changes from a U-shaped mimicry state to the rear section of the track, and the rotation control is finished after the water drop-shaped mimicry state is excessive.
4. The link-type circular-motion bending hinge of the flexible-screen folding mobile phone according to claim 1, characterized in that: the base outer end is equipped with the terminal surface connecting plate, be equipped with the gear between the first connecting arm, be equipped with the insection on the first connecting arm, insection with gear intermeshing realizes the synchronous rotation of 0 degree-180 degrees bending range, the gear through the gear shaft that sets up with terminal surface connecting plate, base and first connecting arm are connected the location.
5. The link-type circular-motion bending hinge of the flexible-screen folding mobile phone according to claim 1, characterized in that: the base is provided with symmetrically distributed connecting shafts, the connecting shafts are connected with the second connecting arms in a penetrating mode in a combined mode, concave wheel connecting plates are arranged on the connecting shafts, the concave wheel connecting plates are matched with the cams on the second connecting arms in a concave-convex mode to achieve clamping point self-locking of 0-degree and 180-degree positions, and springs for achieving elastic force and torque force control are arranged on the connecting shafts.
6. The link-type circular-motion bending hinge of the flexible-screen folding mobile phone according to claim 1, characterized in that: the connecting pieces are four groups of connecting pieces which are arranged in the forward direction, the connecting rod is provided with a first rotating column, the connecting pieces are provided with a first rotating hole and a second rotating hole, and the first rotating column is rotatably connected with the first rotating hole to realize linkage fit between the forward connecting pieces and the connecting rod; the second rotating hole is matched with the second rotating column in a rotating mode to achieve linkage matching between the forward connecting piece and the first connecting arm.
7. The link-type circular-motion bending hinge of the flexible-screen folding mobile phone according to claim 1, characterized in that: the connecting pieces are two groups of connecting pieces which are arranged in the reverse direction, a first rotating hole and a second rotating hole are formed in the connecting pieces, and the first pin shaft is rotatably connected with the first rotating hole to realize linkage fit between the connecting pieces and the connecting rods; the second rotating hole is matched with the second rotating column in a rotating mode to achieve linkage matching between the reverse connecting piece and the first connecting arm.
CN202222408781.0U 2022-09-09 2022-09-09 Connecting rod type circular-moving bending hinge of flexible screen folding mobile phone Active CN218830005U (en)

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Application Number Priority Date Filing Date Title
CN202222408781.0U CN218830005U (en) 2022-09-09 2022-09-09 Connecting rod type circular-moving bending hinge of flexible screen folding mobile phone

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Application Number Priority Date Filing Date Title
CN202222408781.0U CN218830005U (en) 2022-09-09 2022-09-09 Connecting rod type circular-moving bending hinge of flexible screen folding mobile phone

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116668569A (en) * 2023-05-10 2023-08-29 东莞市劲丰电子有限公司 Integrated inward folding hinge for flexible screen folding mobile phone application

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116668569A (en) * 2023-05-10 2023-08-29 东莞市劲丰电子有限公司 Integrated inward folding hinge for flexible screen folding mobile phone application
CN116668569B (en) * 2023-05-10 2024-04-09 东莞市劲丰电子有限公司 Integrated inward folding hinge for flexible screen folding mobile phone application

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