CN110701182A - Two-shaft passive folding synchronous rotating mechanism - Google Patents
Two-shaft passive folding synchronous rotating mechanism Download PDFInfo
- Publication number
- CN110701182A CN110701182A CN201910990403.8A CN201910990403A CN110701182A CN 110701182 A CN110701182 A CN 110701182A CN 201910990403 A CN201910990403 A CN 201910990403A CN 110701182 A CN110701182 A CN 110701182A
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- Prior art keywords
- gear shaft
- movable block
- movable
- rotating mechanism
- packaging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Pivots And Pivotal Connections (AREA)
- Packages (AREA)
Abstract
The invention discloses a two-shaft passive external-folding synchronous rotating mechanism which comprises a structure main body, wherein the structure main body comprises a rotating shaft, the rotating shaft consists of a connecting and positioning movable block and a rotating mechanism which is combined and connected with the connecting and positioning movable block, the rotating mechanism comprises a gear shaft and a circle wrapping mechanism which are bilaterally symmetrical, the gear shaft and the circle wrapping mechanism are connected and positioned and generate damping torsion, the gear shaft is synchronous through tooth-shaped meshing, the gear shaft is connected with a clamping point movable frame which is symmetrically distributed leftwards and rightwards to realize positioning clamping points of 0 degree and 180 degrees and self-locking, the gear shaft comprises an elastic piece and a connecting column on the back of an arc, the clamping point movable frame comprises a sliding groove, and when the rotating mechanism integrally rotates to 180 degrees, the connecting column slides in the sliding groove and exceeds the center point to realize 180-degree support.
Description
Technical Field
The invention relates to the technical field of rotating shaft design, in particular to a two-shaft passive type outward-folding synchronous rotating mechanism.
Background
The folding screen at the present stage refers to the whole screen bending or the split or split use mode of one screen, and generally refers to an OLED screen. At present, the screen meets the bending requirement, but the screen is directly related to an electronic product, namely the screen is applied to the electronic product, for example, a mobile phone, which not only has extremely high requirements on the screen, but also ensures that the screen does not break down in the normal use process, does not influence the normal bending of the screen, and needs a special mechanical structure to realize the bending.
The folding screen can be divided into an inward folding mode and an outward folding mode according to the use of the folding screen, the technical conditions are required to be met no matter the folding screen is folded inwards or outwards, the corresponding clamping point, limiting and damping torsion force also needs to be considered comprehensively, particularly, the screen cannot be damaged due to the fact that the layout of the auxiliary structural part influences the screen, the shape of the whole electronic equipment cannot be influenced, namely, the auxiliary screen achieves functions on the premise that the screen quality, the screen service life and the whole product deformation are not influenced, and the functions are achieved by the aid of a rigorous hinge mechanism.
The comprehensive consideration, the pivot design needs to satisfy the demand of bending, and the control and the cost of machining precision need be considered in pivot processing, consequently, the pivot that the processing degree of difficulty is low, accessories is less relatively just can satisfy applicable demand. Especially after the equipment is used, the effect of pivot not only needs to satisfy its rotation function, more needs to satisfy user experience with the flexible screen together and feels, and this especially refers to when the product is buckled and is expanded to 180 degrees, can not appear rocking, otherwise just influences the experience of whole product, and the comprehensive consideration can only be to make improvement on the pivot and just can solve this problem.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a two-shaft passive type external-folding synchronous rotating mechanism.
In order to achieve the purpose, the invention adopts the following technical scheme:
two-axis passive type external-folding synchronous rotating mechanism comprises a structure main body, the structure main body comprises a rotating shaft, the rotating shaft is composed of a connecting and positioning movable block and a rotating mechanism connected with the connecting and positioning movable block in a combined mode, the rotating mechanism comprises a gear shaft and a circle wrapping mechanism which are bilaterally symmetrical, the gear shaft is connected and positioned through the circle wrapping mechanism and generates damping torque, the gear shaft is synchronized through toothed meshing, the gear shaft is connected with a clamping point movable frame which is symmetrically distributed at left and right to achieve 0-degree and 180-degree positioning clamping points and self-locking, the gear shaft comprises an elastic part and a connecting column, the elastic part and the connecting column are arranged on the back of an arc, the clamping point movable frame comprises a sliding groove, and when the rotating mechanism integrally rotates to 180-degree, the connecting column slides in the sliding groove and exceeds a center point.
Particularly, the connecting and positioning movable block comprises a first central movable frame and a second central movable frame which is symmetrically distributed on two sides to realize connecting and positioning.
Particularly, the sliding groove movable blocks and the sliding block movable blocks are symmetrically distributed on the two sides of the connecting and positioning movable block, the sliding groove movable blocks and the sliding block movable blocks synchronously rotate in the semi-circular pipe positions, and screen buffering, 0-degree and 180-degree positioning clamping points and self-locking are realized through sliding of the sliding blocks in the sliding grooves.
Particularly, the sliding block movable block is provided with a clamping point movable block, the clamping point movable block is respectively provided with a clamping point spring, and a sliding block spring for realizing torsion and elasticity is arranged between the sliding block movable block and the sliding groove movable block.
Particularly, the rotating mechanism further comprises a plurality of arc movable frames which are combined and distributed, and the semi-circular pipe positions of the arc movable frames are synchronously connected and realize the limiting effect at 180 degrees.
Particularly, an end position packaging part is arranged on one side of the outer edge of the rotating shaft, the end position packaging part is composed of a plurality of groups of fan-shaped packaging bodies which are connected and positioned, and triangular cambered surfaces for realizing appearance protection are arranged on the fan-shaped packaging bodies.
Particularly, the rotating shaft comprises a plurality of groups of rivets and screws for realizing fixed connection.
Particularly, the structure main body comprises a packaging body, the packaging body comprises a bottom packaging body and a surface packaging body, the bottom packaging body comprises a machine shell, a plurality of groups of appearance packaging pieces, a connecting and positioning packaging piece and a limiting packaging piece, the surface packaging pieces are silica gel and steel sheets which are combined in an encapsulating manner, a bending part of the steel sheet is provided with a net-shaped structure formed by regular penetrating holes, and the silica gel is wrapped and filled in the penetrating holes through encapsulating treatment.
Particularly, the shell joint further comprises a pressing plate and a connecting plate for realizing connection and fixation, and the limiting packaging part is connected with the semi-circular pipe position and assists the sliding block to slide to realize 180-degree limiting.
The invention has the beneficial effects that: the two-shaft passive type outward-folding synchronous rotating mechanism provided by the invention realizes bending through the rotation of the mechanism, the gear shaft is connected with the clamping point movable frames which are symmetrically distributed at left and right to realize positioning clamping points at 0 degree and 180 degrees and self-locking, the gear shaft comprises the elastic part and the connecting column which are arranged on the back of the circular arc, the clamping point movable frames comprise the sliding grooves, when the rotating mechanism integrally rotates to 180 degrees, the connecting columns slide in the sliding grooves and exceed the central point to realize 180-degree support, the rotating requirement of the folding screen is met, a plurality of groups of limiting and clamping point mechanisms are designed in a supporting mode, and the 180-degree limiting supporting effect is enhanced.
Drawings
FIG. 1 is a 180 degree overall structure of the two-axis passive external-folding synchronous rotating mechanism of the present invention.
FIG. 2 is a 0 degree overall structure diagram of the two-axis passive external-folding synchronous rotating mechanism of the present invention.
FIG. 3 is a 90 degree view of the two-axis passive fold-out synchronous rotation mechanism of the present invention.
FIG. 4 is a structural diagram of a rotating shaft of the two-shaft passive external-folding synchronous rotating mechanism of the present invention.
FIG. 5 is an exploded view of the shaft of the two-shaft passive external-folding synchronous rotating mechanism of the present invention.
FIG. 6 is a structural diagram of a rotating mechanism of the two-axis passive type external-folding synchronous rotating mechanism of the present invention.
FIG. 7 is an exploded view of the overall structure of the passive two-axis external-folding synchronous rotating mechanism of the present invention.
FIG. 8 is a structural diagram of a surface package in the two-axis passive fold-out synchronous rotating mechanism of the present invention.
Fig. 9 is an enlarged view at a in fig. 8.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1-9, the two-axis passive type external-folding synchronous rotating mechanism disclosed in this embodiment includes a structural body 1, the structural body 1 includes a rotating shaft 2, the rotating shaft 2 is composed of a connecting and positioning movable block 3 and a rotating mechanism 4 connected with the connecting and positioning movable block 3 in a combined manner, the rotating mechanism 4 includes a gear shaft 5 and a rounding mechanism 6 which are bilaterally symmetrical, the gear shaft 5 and the rounding mechanism 6 realize connecting and positioning and generate damping torque, the gear shaft 5 realizes synchronization through tooth-shaped meshing, the gear shaft 5 is connected with a clamping point movable frame 7 which is provided with bilateral symmetry distribution to realize positioning clamping points of 0 degree and 180 degrees and self-locking, the gear shaft 5 includes an elastic part 51 and a connecting post 52 which are arranged on the back of an arc, the clamping point movable frame 7 includes a sliding slot 71, when the rotating mechanism 4 rotates to 180 degrees as a whole, the connecting post 52 slides in the sliding slot, and 180 degrees of support is achieved beyond the center of the circle.
The applicant states that a new method, which is generated by combining some steps of the above-mentioned embodiment with the technical solution of the summary part of the invention based on the above-mentioned embodiment, is also one of the description scope of the present invention, and other embodiments of these steps are not listed in the present application for the sake of brevity.
In the above embodiment, the connecting and positioning movable block 3 includes the first central movable frame 31 and the second central movable frames 32 symmetrically distributed on both sides to realize the connecting and positioning. The bilateral symmetry of connecting location movable block 3 distributes spout movable block 8 and slider movable block 9, spout movable block 8 and slider movable block 9 semicircle pipe position synchronous rotation to realize the screen buffering and the location stuck point and the auto-lock of 0 degree, 180 degrees through the slip of slider 81 at spout 71. The sliding block is characterized in that a clamping point movable block 10 is arranged on the sliding block movable block 9, clamping point springs 11 are respectively arranged on the clamping point movable block 10, and a sliding block spring 12 for realizing torsion and elasticity is arranged between the sliding block movable block 8 and the sliding groove movable block 9. The rotating mechanism 3 further comprises a plurality of arc movable frames 13 which are combined and distributed, and the semi-circular pipe positions of the arc movable frames 13 are synchronously connected and realize the limiting effect at 180 degrees. An end position packaging part 14 is arranged on one side of the outer edge of the rotating shaft 2, the end position packaging part 14 is composed of a plurality of groups of fan-shaped packaging bodies 15 which are connected and positioned, and triangular cambered surfaces 16 for realizing appearance protection are arranged on the fan-shaped packaging bodies 15. The rotating shaft 2 comprises a plurality of groups of rivets 17 and screws 18 for realizing fixed connection. The structure main body 1 comprises a packaging body 19, the packaging body 19 comprises a bottom packaging body 20 and a surface packaging body 21, the bottom packaging body 20 comprises a machine shell 22, a plurality of groups of appearance packaging pieces 23, a connecting and positioning packaging piece 24 and a limiting packaging piece 25, the surface packaging piece 21 is a silica gel 26 and a steel sheet 27 which are combined in an encapsulating manner, a bending part of the steel sheet 26 is provided with a net-shaped structure 28 consisting of regular penetrating holes 29, and the silica gel 26 is wrapped and filled in the penetrating holes 29 through encapsulating processing. The joint of the shell 22 further comprises a pressing plate 30 and a connecting plate 31 for realizing connection and fixation, and the limit packaging piece 25 is connected with the semi-circular pipe position and assists the sliding block to slide to realize 180-degree limit.
The applicant further states that the present invention is described in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the addition of equivalent alternatives to the embodiments of the present invention and steps, the selection of specific modes, etc., are within the scope of the present invention and the disclosure.
The technical principle of the embodiment is as follows:
realize buckling through the mechanism rotation, the gear shaft is connected and is equipped with the location stuck point and the auto-lock of the stuck point adjustable shelf realization 0 degree, 180 degrees that bilateral symmetry distributes, and the gear shaft includes elastic component and the spliced pole at the circular arc back and constitutes, the stuck point adjustable shelf includes the spout, when slewing mechanism wholly turns to 180 degrees, the spliced pole is in slide in the spout to exceed the centre of a circle point and realize 180 degrees supports, satisfy folding screen rotation demand, support design multiunit spacing and stuck point mechanism, reinforcing 180 degrees spacing supporting role.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, so that the equivalent changes or modifications of the structure, features and principles of the present invention by those skilled in the art should fall within the protection scope of the present invention.
Claims (9)
1. Two-axis passive type folding-out synchronous rotating mechanism is characterized in that: including the structure main part, the structure main part includes the pivot, the pivot comprises connection location movable block and the slewing mechanism of built-up connection with it, slewing mechanism includes bilateral symmetry's gear shaft and circle of package mechanism, the gear shaft with circle of package mechanism realizes connection location and produces damping torsion, just the gear shaft passes through the meshing of profile of tooth and realizes in step, the gear shaft connection is equipped with the checkpoint adjustable shelf realization of bilateral symmetry distribution 0 degree, 180 degrees location checkpoint and auto-lock, the gear shaft includes elastic component and the spliced pole at the circular arc back and constitutes, the checkpoint adjustable shelf includes the spout, when slewing mechanism wholly turns to 180 degrees, the spliced pole is in slide in the spout to exceed the centre of a circle point and realize 180 degrees supports.
2. The two-axis passive fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the connecting and positioning movable block comprises a first central movable frame and a second central movable frame which is symmetrically distributed on two sides to realize connecting and positioning.
3. The two-axis passive fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the sliding groove movable blocks and the sliding block movable blocks are symmetrically distributed on the two sides of the connecting and positioning movable block, the semi-circular pipe positions of the sliding groove movable blocks and the sliding block movable blocks synchronously rotate, and screen buffering, 0-degree and 180-degree positioning clamping points and self-locking are realized through sliding of the sliding blocks in the sliding grooves.
4. The two-axis passive fold-out synchronous rotation mechanism according to claim 3, characterized in that:
the sliding block is characterized in that a clamping point movable block is arranged on the sliding block movable block, clamping point springs are respectively arranged on the clamping point movable block, and a sliding block spring for realizing torsion and elasticity is arranged between the sliding block movable block and the sliding groove movable block.
5. The two-axis passive fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the rotating mechanism further comprises a plurality of arc movable frames which are combined and distributed, and the semi-circular pipe positions of the arc movable frames are synchronously connected and realize the limiting effect at 180 degrees.
6. The two-axis passive fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the utility model discloses a pivot outward flange protection device, including pivot outward flange, pivot outward flange one side is equipped with end position packaging part, end position packaging part comprises the fan-shaped packaging body that multiunit connection location set up, all be equipped with the triangle-shaped cambered surface that realizes the outward appearance protection on the fan-shaped packaging body.
7. The linkage-type folding-out rotation mechanism for polygon sampling according to claim 1, wherein:
the rotating shaft comprises a plurality of groups of rivets and screws for realizing fixed connection.
8. The linkage-type folding-out rotation mechanism for polygon sampling according to claim 1, wherein:
the structure main part includes the packaging body, the packaging body includes bottom packaging body and surface package body, the bottom packaging body includes casing and multiunit outward appearance packaging part, connection location packaging part, spacing packaging part, the surface packaging part is the silica gel and the steel sheet of rubber coating combination, the portion of bending of steel sheet is equipped with the network structure that the rule through hole is constituteed, silica gel is through handling the cladding including the rubber coating and is filled in the through hole.
9. The linkage-type fold-out rotation mechanism for polygon sampling according to claim 8, wherein:
the shell joint further comprises a pressing plate and a connecting plate for realizing connection and fixation, and the semi-circular arc pipe positions of the limiting packaging parts are connected and assist the sliding block to slide to realize 180-degree limiting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910990403.8A CN110701182A (en) | 2019-10-17 | 2019-10-17 | Two-shaft passive folding synchronous rotating mechanism |
| PCT/CN2020/099970 WO2021073167A1 (en) | 2019-10-17 | 2020-07-02 | Two-axis passive outward-bending synchronous rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910990403.8A CN110701182A (en) | 2019-10-17 | 2019-10-17 | Two-shaft passive folding synchronous rotating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110701182A true CN110701182A (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910990403.8A Pending CN110701182A (en) | 2019-10-17 | 2019-10-17 | Two-shaft passive folding synchronous rotating mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110701182A (en) |
| WO (1) | WO2021073167A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253613A (en) * | 2020-11-07 | 2021-01-22 | 东莞市劲丰电子有限公司 | U-shaped inward-folding rotating mechanism with bent straight sliding groove |
| CN112324795A (en) * | 2020-11-07 | 2021-02-05 | 东莞市劲丰电子有限公司 | U-shaped inward-folding rotating mechanism with bent curve groove |
| WO2021073167A1 (en) * | 2019-10-17 | 2021-04-22 | 东莞市劲丰电子有限公司 | Two-axis passive outward-bending synchronous rotating mechanism |
| CN112911033A (en) * | 2021-01-20 | 2021-06-04 | 惠州Tcl移动通信有限公司 | Rotary screen rotating shaft structure and rotary screen |
| CN112324795B (en) * | 2020-11-07 | 2024-06-04 | 东莞市劲丰电子有限公司 | U-shaped inner turning mechanism with curved slot |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116800869B (en) * | 2023-05-10 | 2024-01-09 | 东莞市劲丰电子有限公司 | Sliding block translation type outward folding hinge for flexible screen folding mobile phone application |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102595230B1 (en) * | 2016-10-13 | 2023-10-30 | 삼성전자주식회사 | Foldable electronic device including flexible display |
| JP6782432B2 (en) * | 2016-11-01 | 2020-11-11 | 日本発條株式会社 | Hinge structure |
| CN209309116U (en) * | 2018-11-08 | 2019-08-27 | 上海富驰高科技股份有限公司 | A kind of chain hinge of flexible screen |
| CN110131299A (en) * | 2019-05-27 | 2019-08-16 | 东莞市劲丰电子有限公司 | Two-fold synchronous rotary mechanism inside and outside flexible screen |
| CN110332219A (en) * | 2019-08-02 | 2019-10-15 | 东莞市劲丰电子有限公司 | It is interactive to be folded outward rotating mechanism |
| CN110701182A (en) * | 2019-10-17 | 2020-01-17 | 东莞市劲丰电子有限公司 | Two-shaft passive folding synchronous rotating mechanism |
-
2019
- 2019-10-17 CN CN201910990403.8A patent/CN110701182A/en active Pending
-
2020
- 2020-07-02 WO PCT/CN2020/099970 patent/WO2021073167A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021073167A1 (en) * | 2019-10-17 | 2021-04-22 | 东莞市劲丰电子有限公司 | Two-axis passive outward-bending synchronous rotating mechanism |
| CN112253613A (en) * | 2020-11-07 | 2021-01-22 | 东莞市劲丰电子有限公司 | U-shaped inward-folding rotating mechanism with bent straight sliding groove |
| CN112324795A (en) * | 2020-11-07 | 2021-02-05 | 东莞市劲丰电子有限公司 | U-shaped inward-folding rotating mechanism with bent curve groove |
| CN112324795B (en) * | 2020-11-07 | 2024-06-04 | 东莞市劲丰电子有限公司 | U-shaped inner turning mechanism with curved slot |
| CN112253613B (en) * | 2020-11-07 | 2024-06-04 | 东莞市劲丰电子有限公司 | U-shaped inner folding mechanism with straight sliding groove |
| CN112911033A (en) * | 2021-01-20 | 2021-06-04 | 惠州Tcl移动通信有限公司 | Rotary screen rotating shaft structure and rotary screen |
| CN112911033B (en) * | 2021-01-20 | 2023-07-18 | 惠州Tcl移动通信有限公司 | Rotary screen rotating shaft structure and rotary screen |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021073167A1 (en) | 2021-04-22 |
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Address after: No. 2, Shangli Road, Shipai Town, Dongguan City, Guangdong Province, 523000 Applicant after: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. Address before: 523000 Puxin Industrial Zone, Shipai Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. |
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