CN110701179A - Two-shaft connecting rod type outward-folding synchronous rotating mechanism - Google Patents
Two-shaft connecting rod type outward-folding synchronous rotating mechanism Download PDFInfo
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- CN110701179A CN110701179A CN201911108052.XA CN201911108052A CN110701179A CN 110701179 A CN110701179 A CN 110701179A CN 201911108052 A CN201911108052 A CN 201911108052A CN 110701179 A CN110701179 A CN 110701179A
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- adjustable shelf
- connecting rod
- gear shaft
- spout
- circle
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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
- F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a two-shaft connecting rod type 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 consists of a middle circle-wrapping combined mechanism and four groups of connecting rod mechanisms which are symmetrically distributed leftwards and rightwards, the circle-wrapping combined mechanism comprises a circle-wrapping body, a circle-wrapping movable frame and a gear shaft for realizing connection and positioning, the circle-wrapping movable frame generates torsion through interference of the shaft and the circle-wrapping body and synchronously rotates through tooth-shaped meshing of the gear shaft, the gear shaft main body is of an arc structure with an elastic function, a post exceeds a circle center point after rotating along a sliding groove at 180 degrees so as to realize 180-degree support, the connecting rod mechanism comprises a sliding groove movable frame and a connecting rod movable frame which are combined and connected, the sliding block movable frame is provided with a sliding block, the sliding block is in sliding connection with the sliding groove, and the connecting column moves in a lever type mode with the sliding groove.
Description
Technical Field
The invention relates to the technical field of rotating shaft design, in particular to a two-shaft connecting rod 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 connecting rod type external-folding synchronous rotating mechanism.
In order to achieve the purpose, the invention adopts the following technical scheme:
the two-shaft connecting rod type outward-folding synchronous rotating mechanism 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 connected with the connecting and positioning movable block in a combined manner, the rotating mechanism comprises a middle circle-wrapping combined mechanism and four groups of connecting rod mechanisms which are symmetrically distributed in a bilateral manner, the circle-wrapping combined mechanism comprises a circle-wrapping body, a circle-wrapping movable frame and a gear shaft for realizing the connecting and positioning, the circle-wrapping movable frame generates torsion through interference of a shaft and the circle-wrapping body and synchronously rotates through the tooth-shaped meshing of the gear shaft, the gear shaft main body is of an arc structure with an elastic function, when the gear shaft rotates to 180 degrees, a column rotates along a sliding groove and then exceeds a circle center point to realize the 180-degree supporting effect, the connecting rod mechanism comprises a sliding groove movable frame and a connecting rod movable, the connecting rod movable frame is provided with a connecting column, the connecting rod movable frame is connected with a sliding block movable frame, a sliding block is arranged on the sliding block movable frame, the sliding block is in sliding connection with the sliding groove, and the connecting column and the sliding groove perform lever type movement.
Particularly, the sliding block movable frame comprises a first sliding block movable frame, a second sliding block movable frame and a third sliding block movable frame which are symmetrically distributed on two sides and used for realizing connection and positioning, the first sliding block movable frame, the second sliding block movable frame and the third sliding block movable frame respectively realize a screen buffering effect through sliding of sliding blocks, and a sliding block spring used for realizing torsion and elasticity is arranged between the second sliding block movable frame and the third sliding block movable frame.
In particular, the structure body comprises a plurality of groups of screws for realizing connection and fixation.
Particularly, the gear shaft comprises an L gear shaft and an R gear shaft, the L gear shaft and the R gear shaft are respectively provided with a latch and a gear shaft connecting column, and the gear shaft connecting column is in sliding connection with the sliding groove.
It is unusual, the connecting rod adjustable shelf includes first connecting rod adjustable shelf and second connecting rod adjustable shelf, the spout adjustable shelf includes first spout adjustable shelf and second spout adjustable shelf, first connecting rod adjustable shelf and second connecting rod adjustable shelf respectively with first spout adjustable shelf and second spout adjustable shelf rotate to be connected, just locate first connecting rod and second connecting rod on first connecting rod adjustable shelf and the second connecting rod adjustable shelf respectively, be equipped with the chute on the first spout adjustable shelf, be equipped with the spout on the second spout adjustable shelf, first connecting rod is in slide in the chute, the second connecting rod is in slide in the chute.
Particularly, the structure main body further comprises a packaging body, and the packaging body is composed of multiple groups of side packages and outer packages.
Particularly, the side package comprises a plurality of groups of similar triangular package parts for realizing connection and positioning, and the similar triangular package parts form a fan-shaped accommodating type package body.
Particularly, the structure main body further comprises a plurality of groups of movable blocks which are connected and positioned to realize the fixed connection of the rotating shaft.
Particularly, the structure main body comprises a machine shell and a surface packaging piece for realizing bending of 0-180 degrees, wherein the surface packaging piece is composed of silica gel and a stainless steel sheet which are integrally formed by injection molding and encapsulation of the silica gel.
The invention has the beneficial effects that: the two-shaft connecting rod type outward-folding synchronous rotating mechanism provided by the invention realizes bending through mechanism rotation, realizes sliding through the sliding grooves and the sliding blocks, realizes bending through lever type movement of the sliding grooves and the sliding columns, realizes torsion auxiliary rotation due to interference of shafts and a round wrapping body, synchronously rotates a gear shaft through meshing of tooth shapes and gears, adopts two-shaft connecting rod type combination in the whole design, can be randomly connected with different numbers of connecting rods to realize precision and parameter control, realizes precision control through angle setting of the shafts and the inclined grooves, has reasonable structural design and high precision, ensures the flatness of the whole machine after a screen is unfolded, meets the rotating requirement of a folding screen, realizes screen buffering through auxiliary design of a plurality of groups of sliding block units, limits the whole rotating track through the sliding grooves of the connecting rod mechanisms and the sliding blocks, and realizes that the whole bending track of a structural main body is constant in.
Drawings
FIG. 1 is a 180-degree overall structure diagram of the two-axis link-type fold-out synchronous rotating mechanism of the present invention.
Fig. 2 is a 0-degree overall structure diagram of the two-shaft connecting rod type outward-folding synchronous rotating mechanism of the invention.
FIG. 3 is a 90 degree view of the two-axis linkage-type fold-out synchronous rotating mechanism of the present invention.
FIG. 4 is a structural diagram of a rotating shaft of the two-shaft linkage type outward-folding synchronous rotating mechanism of the present invention.
FIG. 5 is an exploded view of the rotating shaft of the two-shaft linkage type outward-folding synchronous rotating mechanism of the present invention.
FIG. 6 is a second exploded view of the rotating shaft structure of the two-shaft linkage type outward-folding synchronous rotating mechanism of the present invention.
Fig. 7 is an exploded view of the whole structure of the two-shaft connecting rod type external-folding synchronous rotating mechanism of the invention.
FIG. 8 is a structural diagram of a surface package in the two-axis link-type fold-out synchronous rotating mechanism of the present invention.
Fig. 9 is a structure view of the first chute frame.
Fig. 10 is a structural view of the second chute frame.
Fig. 11 is a view showing the structure of the first link movable frame.
Fig. 12 is a diagram showing the structure of the second link movable frame.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1 to 12, the two-axis link type external-folding synchronous rotating mechanism disclosed in this embodiment includes a structural main body 1, the structural main 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 to the connecting and positioning movable block, the rotating mechanism 4 includes a middle round-covered combined mechanism 5 and four sets of link mechanisms 6 symmetrically distributed in the left and right direction, the round-covered combined mechanism 5 includes a round-covered body 51, a round-covered movable frame 52 and a gear shaft 53 to realize connecting and positioning, the round-covered movable frame 52 interferes with the round-covered body 51 through a shaft 521 to generate torsion, and rotates synchronously through tooth-shaped meshing of the gear shaft 53, the gear shaft 53 main body is an arc structure having an elastic function, when the column rotates to 180 degrees, the column rotates along a sliding groove and then exceeds a center point of a circle, so as to realize a 180. The connecting rod mechanism 6 comprises a sliding groove movable frame 61 and a connecting rod movable frame 62 which are connected in a combined mode, a sliding groove 611 is arranged on the sliding groove movable frame 61, a connecting column 621 is arranged on the connecting rod movable frame 62, the sliding block movable frame 7 is connected with the connecting rod movable frame 62, a sliding block 71 is arranged on the sliding block movable frame 7, the sliding block 71 is in sliding connection with the sliding groove 611, the connecting column 621 and the sliding groove 611 perform lever type movement, the rotating mechanism 4 limits the whole operation track through the sliding of the sliding groove 611 and the sliding block 71 of the connecting rod mechanism 6, and the constant length of the whole bending track of the structural main body in the rotating process is achieved.
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 slider movable frame 7 includes a first slider movable frame 701, a second slider movable frame 702, and a third slider movable frame 703 that are symmetrically distributed on both sides and achieve connection and positioning, the first slider movable frame 701, the second slider movable frame 702, and the third slider movable frame 703 respectively slide through the slider 71 to achieve a screen buffering effect, and a slider spring 8 that achieves torsion and elasticity is disposed between the second slider movable frame 702 and the third slider movable frame 703.
The structure body 1 comprises a plurality of groups of screws 9 for realizing connection and fixation. The gear shaft 53 includes an L gear shaft 531 and an R gear shaft 532, the L gear shaft 531 and the R gear shaft 532 are respectively provided with a latch 533 and a gear shaft connecting column 534, and the gear shaft connecting column 534 is slidably connected to the sliding groove 611. Connecting rod adjustable shelf 62 includes first connecting rod adjustable shelf 621 and second connecting rod adjustable shelf 622, spout adjustable shelf 61 includes first spout adjustable shelf 611 and second spout adjustable shelf 612, first connecting rod adjustable shelf 621 and second connecting rod adjustable shelf 622 respectively with first spout adjustable shelf 611 and second spout adjustable shelf 612 rotate to be connected, just locate first connecting rod 623 and second connecting rod 624 on first connecting rod adjustable shelf 621 and the second connecting rod adjustable shelf 622 respectively, be equipped with chute 613 on the first spout adjustable shelf 611, be equipped with spout 614 on the second spout adjustable shelf 612, first connecting rod 623 is in slide in chute 613, second connecting rod 624 is in slide in spout 614. The structure body 1 further includes a package body 10, and the package body 10 is composed of a plurality of sets of side packages 101 and outer packages 102. The side package 101 comprises a plurality of groups of similar triangular packages 103 for realizing connection and positioning, and the similar triangular packages 103 form a fan-shaped accommodating package body. The structure main body 1 further comprises a plurality of groups of movable blocks 11 which are connected and positioned to realize the fixed connection of the rotating shaft. The structure main body 1 comprises a machine shell 12 and a surface packaging part 13 for realizing bending of 0-180 degrees, wherein the surface packaging part 13 is composed of silica gel 14 and a stainless steel sheet 15 which are integrally formed by injection molding and encapsulation of silica gel. The connecting and positioning movable block 3 includes a first connecting and positioning movable block 31 and a second connecting and positioning movable block 32.
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:
the mechanism rotates to realize bending, the sliding groove and the sliding block slide, the sliding groove and the sliding column perform lever type motion to realize bending, the shaft and the round wrapping body are in interference fit to generate torsion auxiliary rotation, the gear shaft synchronously rotates through tooth profile and gear meshing, the whole design adopts two-shaft connecting rod type combination, different numbers of connecting rods can be randomly connected to realize precision and parameter control, the angle setting of the shaft and the chute realizes precision control, the structural design is reasonable, the precision is high, the flatness of the whole machine after the screen is unfolded is ensured, the rotating requirement of the folding screen is met, multiple groups of sliding block units are designed in an auxiliary mode to realize screen buffering, the rotating mechanism limits the whole operating track through the sliding groove of the connecting rod mechanism and the sliding block, and the constant length of the whole bending track of the structure body in the.
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 connecting rod formula synchronous slewing mechanism that rolls over outward, its characterized in that: including the structure main part, the structure main part includes the pivot, the pivot comprises connection location movable block and its built-up connection's slewing mechanism, slewing mechanism includes middle package circle combined mechanism and the four group link mechanism of bilateral symmetry distribution and constitutes, package circle combined mechanism includes package circle body, package circle adjustable shelf and gear shaft realization connection location, package circle adjustable shelf pass through the axle with package circle body interference produces torsion to the profile of tooth meshing through the gear shaft is synchronous to be rotated, the gear shaft main part is the circular arc structure that has elastic function, when rotating 180 degrees, the post rotates along the spout, then surpasss the centre of a circle point, realizes 180 degrees supporting role, link mechanism includes built-up connection's spout adjustable shelf and connecting rod adjustable shelf, be equipped with the sliding tray on the spout adjustable shelf, the connecting rod adjustable shelf is equipped with the spliced pole, the connecting rod adjustable shelf connection is equipped with the slider adjustable shelf, the sliding block movable frame is provided with a sliding block, the sliding block is in sliding connection with the sliding groove, the connecting column and the sliding groove perform lever type motion, the rotating mechanism limits the whole operation track through the sliding groove of the connecting rod mechanism and the sliding of the sliding block, and the constant length of the whole bending track of the structure main body in the rotating process is realized.
2. The two-axis link-type fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the slider adjustable shelf includes bilateral symmetric distribution's realization first slider adjustable shelf, second slider adjustable shelf and the third slider adjustable shelf of connection location, first slider adjustable shelf, second slider adjustable shelf and third slider adjustable shelf slide through the slider respectively and realize the screen cushioning effect, just be equipped with the slider spring that realizes torsion and elasticity between second slider adjustable shelf and the third slider adjustable shelf.
3. The two-axis link-type fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the structure main body comprises a plurality of groups of screws for realizing connection and fixation.
4. The two-axis link-type fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the gear shaft includes L gear shaft and R gear shaft, just be equipped with latch and gear shaft spliced pole on L gear shaft and the R gear shaft respectively, the gear shaft spliced pole with sliding tray sliding connection.
5. The two-axis link-type fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the connecting rod adjustable shelf includes first connecting rod adjustable shelf and second connecting rod adjustable shelf, the spout adjustable shelf includes first spout adjustable shelf and second spout adjustable shelf, first connecting rod adjustable shelf and second connecting rod adjustable shelf respectively with first spout adjustable shelf and second spout adjustable shelf rotate to be connected, just locate first connecting rod and second connecting rod on first connecting rod adjustable shelf and the second connecting rod adjustable shelf respectively, be equipped with the chute on the first spout adjustable shelf, be equipped with the spout on the second spout adjustable shelf, first connecting rod is in slide in the chute, the second connecting rod is in slide in the spout.
6. The two-axis link-type fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the structure main body further comprises a packaging body, and the packaging body is composed of multiple groups of side packages and outer packages.
7. The two-axis link-type fold-out synchronous rotation mechanism according to claim 6, characterized in that:
the side package comprises a plurality of groups of similar triangular package parts for realizing connection and positioning, and the similar triangular package parts form a fan-shaped accommodating type package body.
8. The two-axis link-type fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the structure main body further comprises a plurality of groups of movable blocks which are connected and positioned to realize the fixed connection of the rotating shaft.
9. The two-axis link-type fold-out synchronous rotation mechanism according to claim 1, characterized in that:
the structure main body comprises a machine shell and a surface packaging piece for realizing bending of 0-180 degrees, wherein the surface packaging piece is composed of silica gel and a stainless steel sheet which are integrally formed by injection molding and encapsulation of the silica gel.
Priority Applications (1)
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CN201911108052.XA CN110701179A (en) | 2019-11-13 | 2019-11-13 | Two-shaft connecting rod type outward-folding synchronous rotating mechanism |
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CN201911108052.XA CN110701179A (en) | 2019-11-13 | 2019-11-13 | Two-shaft connecting rod type outward-folding synchronous rotating mechanism |
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CN201911108052.XA Pending CN110701179A (en) | 2019-11-13 | 2019-11-13 | Two-shaft connecting rod type outward-folding synchronous rotating mechanism |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112431845A (en) * | 2020-11-16 | 2021-03-02 | 东莞市劲丰电子有限公司 | U-shaped inward-folding rotating mechanism with interactive bending of chute |
CN114198385A (en) * | 2020-09-18 | 2022-03-18 | 北京小米移动软件有限公司 | Hinge, display module and terminal equipment |
-
2019
- 2019-11-13 CN CN201911108052.XA patent/CN110701179A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114198385A (en) * | 2020-09-18 | 2022-03-18 | 北京小米移动软件有限公司 | Hinge, display module and terminal equipment |
CN112431845A (en) * | 2020-11-16 | 2021-03-02 | 东莞市劲丰电子有限公司 | U-shaped inward-folding rotating mechanism with interactive bending of chute |
CN112431845B (en) * | 2020-11-16 | 2024-06-04 | 东莞市劲丰电子有限公司 | U-shaped inner bending mechanism with interactive bending chute |
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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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