CN111810523B - Sliding constant-length U-shaped inner folding mechanism - Google Patents
Sliding constant-length U-shaped inner folding mechanism Download PDFInfo
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- CN111810523B CN111810523B CN202010659401.3A CN202010659401A CN111810523B CN 111810523 B CN111810523 B CN 111810523B CN 202010659401 A CN202010659401 A CN 202010659401A CN 111810523 B CN111810523 B CN 111810523B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 230000001360 synchronised effect Effects 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 10
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- 238000010586 diagram Methods 0.000 description 11
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- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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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)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a sliding constant-length U-shaped inner turning mechanism, which comprises a rotating shaft, wherein the rotating shaft comprises main shaft movable blocks which are symmetrically distributed on both sides, the main shaft movable blocks are respectively provided with a main shaft, an arc-shaped sliding groove and a linear sliding groove, one side of each main shaft movable block is provided with a sliding groove movable block and a sliding block movable block, the other side of each main shaft movable block is provided with a first middle movable block and a second middle movable block, a positioning movable block which is symmetrically distributed on both sides is arranged between each first middle movable block and each second middle movable block, each sliding groove movable block is provided with a main shaft connecting hole and a sliding groove, each sliding block movable block is provided with a sliding block, each first middle movable block is provided with a first rotating column, and each positioning movable block is provided with a side column; the main shaft is rotationally connected with the main shaft connecting hole and drives the sliding groove to slide with the sliding block, the first rotating column rotates along the arc-shaped sliding groove to realize 0-180-degree synchronous rotation and constant-length sliding, and the side column slides along the linear sliding groove to form the connecting rod to realize tangent point tangent inner bending rotation and meet 180-degree lower screen compensation.
Description
Technical Field
The invention relates to the technical field of rotating shaft design, in particular to an inward-folding connecting shaft, and particularly relates to a sliding constant-length U-shaped inward-folding rotating mechanism.
Background
At present, no matter flat plates, mobile phones or other electronic products with display screens are developed in the direction of the flexible screen, in the development process of the technical field, transition products with functions similar to those of the flexible screen are also indispensable, so-called transition products are folded by double screens, the effect of folding the whole screen is achieved by double screens, in the bending process, no obvious break exists, the whole electronic products give a folding use effect to the whole screen, and the situation of folding use of the screen by consumers is tested or fed back by the mode.
In order to achieve the above technical effects, the biggest technical problem is directly transferred from the design of the screen to the design technology of the rotating shaft, and how to achieve the inward folding needs a special rotating mechanism, so that not only is the possibility of rotating folding considered, but also the effectiveness of bilateral connection is considered, and especially the problem of synchronous bending needs to be met.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a sliding constant-length U-shaped inward-folding rotating mechanism.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The sliding constant-length U-shaped inward folding rotating mechanism comprises a structural main body, wherein the structural main body comprises a rotating shaft, the rotating shaft comprises two groups of main shaft movable blocks which are symmetrically distributed on two sides, a main shaft, an arc-shaped sliding groove and a linear sliding groove are respectively arranged on two sides of the main shaft movable blocks, one side of each main shaft movable block is provided with a sliding groove movable block and a sliding block movable block, a first middle movable block and a second middle movable block are arranged on the other side of each main shaft movable block, a positioning movable block which is symmetrically distributed on two sides is arranged between the first middle movable block and the second middle movable block, each sliding groove movable block is provided with a main shaft connecting hole and a sliding groove, a sliding block is arranged on each sliding block movable block, a first rotating column is arranged on each first middle movable block, and a side column is arranged on each positioning movable block; the main shaft is rotationally connected with the main shaft connecting hole and drives the sliding groove and the sliding block to slide, the first rotating column rotates along the arc-shaped sliding groove to realize 0-180-degree synchronous rotation and constant-length sliding, and the side column slides along the linear sliding groove to form a connecting rod to realize tangent point tangent inner bending rotation, so that the 180-degree lower screen compensation effect is met.
Particularly, a gear and two groups of racks which are meshed with each other are arranged between the first middle movable block and the second middle movable block, a bar-shaped straight groove is arranged on the positioning movable block, a rack sliding column and a rack sliding block are arranged on the racks, second straight sliding grooves are respectively arranged on the first middle movable block and the second middle movable block, the rack sliding column slides in the bar-shaped straight groove, the rack sliding block slides in the second straight sliding grooves to realize 0-180-degree synchronous rotation and constant-length sliding, and the gear and the rack are meshed to realize 0-180-degree synchronous rotation.
Particularly, cams are arranged on two sides of the second middle movable block, and concave wheels in running fit with the cams are connected with the cams to realize clamping points at 0 degrees and 180 degrees and meet screen support; the positioning movable block comprises a connecting shaft, and the cam and the concave wheel are connected with the connecting shaft in a penetrating way.
Particularly, the outside of concave wheel is equipped with the spring that realizes elasticity and torsion, the spring outside is equipped with the flat gasket that realizes connecting the location and ensure torsion balance, flat gasket is equipped with the jump ring gasket that realizes connecting the location and prevent flat gasket drops.
Particularly, the lower part of the sliding block movable block also comprises an end position movable block which is connected with the sliding block movable block in a combined way and realizes connection and positioning.
In particular, the structural main body further comprises a rotating shaft cover for realizing connection and positioning, and the rotating shaft is arranged at two ends of the rotating shaft cover.
In particular, the two sides of the structural main body are provided with a shell for realizing connection and positioning and a plurality of groups of screws for realizing connection, fixation and locking.
The invention has the beneficial effects that: the sliding constant-length U-shaped inward-folding rotating mechanism provided by the invention has the advantages that the main shaft drives the movable block chute to slide with the sliding block, the arc-shaped chute rotates with the pillar, the linear chute slides in parallel with the pillar, the 0-180-degree inward-folding synchronous rotating function of the coaxial sliding block is realized, the pillar rotates along the strip-shaped straight groove, the inward-folding rotating function of the connecting rod tangent point principle is realized, the sliding block slides with the chute, the tooth shape is meshed with the gear, the 0-180-degree synchronous rotating function is realized, the side pillar slides along the straight groove, the connecting rod tangent point principle inward-folding rotating function, the 180-degree screen compensation function is realized, the cam is in movable fit with the concave wheel, the 0-180-degree clamping point and the supporting screen function are realized, the strip-shaped chute slides with the rack, the design is simple and flexible, and the precision requirement is met while the processing and manufacturing are convenient.
Drawings
FIG. 1 is one of the 180-degree integral structure diagrams of the sliding constant-length U-shaped inward-folding rotating mechanism of the invention.
Fig. 2 is a 90-degree integral structure diagram of the sliding constant-length U-shaped inner turning mechanism.
FIG. 3 is a 0-degree overall structure diagram of the sliding constant-length U-shaped inner turning mechanism of the invention.
Fig. 4 is an exploded view of the sliding constant length U-shaped inner turn-around mechanism of the present invention.
Fig. 5 is a diagram of the structure of the rotating shaft of the sliding constant-length U-shaped inner turning mechanism.
Fig. 6 is an exploded view of the rotating shaft of the sliding constant-length U-shaped inner turning mechanism of the present invention.
Fig. 7 is a diagram showing the structure of a main shaft movable block of the sliding constant-length U-shaped inward-folding rotating mechanism.
Fig. 8 is a diagram of a sliding chute movable block structure of the sliding constant-length U-shaped inward-folding rotating mechanism.
FIG. 9 is a diagram showing the structure of a sliding block movable block of the sliding constant-length U-shaped inward-folding rotating mechanism.
Fig. 10 is a diagram showing the construction of a first intermediate movable block in the sliding constant-length U-shaped inward-folding rotating mechanism of the invention.
FIG. 11 is a schematic diagram of the rack in the sliding constant length U-fold rotary mechanism of the present invention.
FIG. 12 is a drawing showing the structure of a positioning movable block in the sliding constant-length U-shaped inward-folding rotating mechanism.
Fig. 13 is a diagram showing the construction of a second intermediate movable block in the sliding constant-length U-shaped inward-folding rotating mechanism of the present invention.
Fig. 14 is an explanatory diagram of the relationship between the rotation constant length track and the rotation shaft position of the flexible screen in the sliding constant length U-shaped inward folding rotation mechanism.
Detailed Description
The invention is further described below with reference to the accompanying drawings of the specification:
Example 1:
In this embodiment, as shown in fig. 14, a is the stroke change of the flexible screen in the bending process, B is the relationship between the angle change of the sliding process of the rotating shaft 2 and the position change of the screen, that is, the sliding constant length means that the relative position of the flexible screen and the rotating shaft is not changed in the whole bending process, and the position adjustment in the bending process is satisfied by the mechanism change of the rotating shaft 2, so that the constant length in the bending process of the flexible screen is realized.
As shown in fig. 1-13, the sliding constant-length U-shaped inward folding 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 includes two groups of main shaft movable blocks 3 symmetrically distributed on both sides, the main shaft movable blocks 3 are respectively provided with a main shaft 4, an arc chute 5 and a linear chute 6, one side of each main shaft movable block 3 is provided with a chute movable block 7 and a slide block movable block 8, the other side of each main shaft movable block 3 is provided with a first middle movable block 9 and a second middle movable block 10, a positioning movable block 11 symmetrically distributed on both sides is arranged between the first middle movable block 9 and the second middle movable block 10, each chute movable block 7 is provided with a main shaft connecting hole 12 and a chute 13, each slide block movable block 8 is provided with a slide block 14, each first middle movable block 9 is provided with a first rotating column 15, and each positioning movable block 11 is provided with a side column 16; the main shaft 4 is rotationally connected with the main shaft connecting hole 12 and drives the sliding chute 13 and the sliding block 14 to slide, the first rotating column 15 rotates along the arc-shaped sliding chute 5 to realize 0-180-degree synchronous rotation and constant-length sliding, the side column 16 slides along the linear sliding chute 6 to form a connecting rod to realize tangent point tangency to complete inward-bending rotation, and the 180-degree lower screen compensation effect is met.
The applicant states that, on the basis of the above examples, the combination of certain steps of the above examples with the technical solutions of the summary section, thus creating a new method, which is also one of the described ranges of the present application, the present application is for brevity of description and no further embodiments of these steps are listed.
In the above embodiment, the first middle movable block 9 and the second middle movable block 10 are provided with the gear 17 and the two sets of racks 18 which are meshed with each other, the positioning movable block 11 is provided with the bar-shaped straight groove 19, the racks 18 are provided with the rack sliding column 20 and the rack sliding block 21, the second middle movable block 10 of the first middle movable block 9 and the second middle movable block 10 are respectively provided with the second linear sliding groove 22, the rack sliding column 21 slides in the bar-shaped straight groove 19, the rack sliding block 21 slides in the second linear sliding groove 22 to realize 0-180-degree synchronous rotation and constant length sliding, and the gear 17 and the rack 18 are meshed to realize 0-180-degree synchronous rotation. The two sides of the second middle movable block 10 are provided with cams 23, the cams 23 are connected with concave wheels 24 which are in running fit with the cams, so that the clamping points in the states of 0 degrees and 180 degrees are realized, and the screen support is met; the positioning movable block 11 comprises a connecting shaft 25, and the cam 23 and the concave wheel 24 are connected with the connecting shaft 25 in a penetrating way. The outside of concave wheel 24 is equipped with the spring 26 that realizes elasticity and torsion, the spring 26 outside is equipped with the flat gasket 27 that realizes connecting the location and ensure torsion balance, flat gasket 27 is equipped with the jump ring gasket 28 that realizes connecting the location and prevent flat gasket 27 drops. The lower part of the sliding block movable block 8 also comprises an end position movable block 29 which is connected with the sliding block movable block in a combined way and realizes connection and positioning. The structural body 1 further comprises a rotating shaft cover 30 for realizing connection positioning, and the rotating shaft 2 is arranged at two ends of the rotating shaft cover 30. Two sides of the structural main body 1 are provided with a shell 31 for realizing connection positioning and a plurality of groups of screws 32 for realizing connection fixing and locking.
The applicant has further stated that the present invention is described by the above examples as to the implementation method and apparatus structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it does not mean that the present invention must be implemented by the above methods and structures. It should be apparent to those skilled in the art that any modification of the present invention, equivalent substitutions for the implementation method selected by the present invention, addition of steps, selection of specific modes, etc., fall within the scope of the present invention and the scope of the disclosure.
The technical principle of the embodiment is as follows:
the main shaft drives movable block spout and slider to slide, arc spout and post rotate, straight line spout and post parallel slip realize coaxial slider 0-180 degrees intussuseption synchronous rotation function, the post rotates along bar straight flute, realize connecting rod tangential point principle intussuseption rotation function, slider and spout sliding action, tooth form and gear engagement realize 0-180 degrees synchronous rotation function, the side post slides along the straight flute, realize connecting rod tangential point principle intussuseption rotation function, 180 degrees screen compensation action, cam and concave wheel cooperation, realize 0-180 degrees stuck point, the supporting screen effect, bar spout and rack sliding action, the design is simple and flexible, satisfy the precision requirement when being convenient for manufacturing.
The foregoing description is only illustrative of the preferred embodiments of the invention and is not intended to limit the scope of the invention, so that equivalent changes or modifications to the constructions, features and principles of the invention described herein will be made by those ordinarily skilled in the art without departing from the spirit of the invention.
Claims (5)
1. Sliding constant-length U-shaped inward folding rotating mechanism is characterized in that: the structure comprises a structure main body, wherein the structure main body comprises a rotating shaft, the rotating shaft comprises two main shaft movable blocks which are axisymmetric with each other, two sides of each main shaft movable block are respectively provided with a main shaft, an arc-shaped sliding groove and a linear sliding groove, one side of each main shaft movable block is provided with a sliding groove movable block and a sliding block movable block, the other side of each main shaft movable block is provided with a first middle movable block and a second middle movable block, two positioning movable blocks which are axisymmetric with each other are arranged between the first middle movable block and the second middle movable block, each sliding groove movable block is provided with a main shaft connecting hole and a sliding groove, each sliding block movable block is provided with a sliding block, each first middle movable block is provided with a first rotating column, and each positioning movable block is provided with a side column; the main shaft is rotationally connected with the main shaft connecting hole and drives the sliding chute to slide with the sliding block, the first rotating column rotates along the arc-shaped sliding chute to realize 0-180-degree synchronous rotation and constant-length sliding, and the side column slides along the linear sliding chute to form a connecting rod to complete inward bending rotation; the lower part of the sliding block movable block also comprises an end position movable block which is connected with the sliding block movable block in a combined way and used for realizing connection positioning, the structural main body also comprises a rotating shaft cover used for realizing connection positioning, and the rotating shaft is arranged at two ends of the rotating shaft cover.
2. The sliding constant length U-turn-in rotation mechanism of claim 1, wherein:
The gear and two groups of racks are meshed with each other, the positioning movable block is provided with a bar-shaped straight groove, the racks are provided with a rack sliding column and a rack sliding block, the first middle movable block and the second middle movable block are respectively provided with a second straight sliding groove, the rack sliding column slides in the bar-shaped straight groove, the rack sliding block slides in the second straight sliding grooves to realize 0-180-degree synchronous rotation and constant-length sliding, and the gear and the rack are meshed to realize 0-180-degree synchronous rotation.
3. The sliding constant length U-turn-in rotation mechanism of claim 1, wherein:
Cams are arranged on two sides of the second middle movable block, and concave wheels in running fit with the cams are connected with the cams to realize clamping points at 0 degrees and 180 degrees and meet screen support; the positioning movable block comprises a connecting shaft, and the cam and the concave wheel are connected with the connecting shaft in a penetrating way.
4. A sliding constant length U-turn-in rotation mechanism according to claim 3, wherein:
The concave wheel outside is equipped with the spring that realizes elasticity and torsion, the spring outside is equipped with the dull and stereotyped gasket that realizes connecting the location and ensure torsion balance, dull and stereotyped gasket is equipped with the jump ring gasket that realizes connecting the location and prevent dull and stereotyped gasket drops.
5. The sliding constant length U-turn-in rotation mechanism of claim 1, wherein: and two sides of the structural main body are provided with a shell for realizing connection and positioning and a plurality of groups of screws for realizing connection, fixation and locking.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010659401.3A CN111810523B (en) | 2020-07-09 | 2020-07-09 | Sliding constant-length U-shaped inner folding mechanism |
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| CN202010659401.3A CN111810523B (en) | 2020-07-09 | 2020-07-09 | Sliding constant-length U-shaped inner folding mechanism |
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| CN111810523A CN111810523A (en) | 2020-10-23 |
| CN111810523B true CN111810523B (en) | 2024-09-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112253611A (en) * | 2020-11-07 | 2021-01-22 | 东莞市劲丰电子有限公司 | Double-connecting-rod rotary U-shaped inward-folding rotary mechanism |
| 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 |
| CN112503085B (en) * | 2020-11-16 | 2024-06-04 | 东莞市劲丰电子有限公司 | U-shaped inner folding mechanism of balance wheel chute |
| CN113187804B (en) * | 2021-01-09 | 2024-06-04 | 东莞市劲丰电子有限公司 | Side plate driven drop-shaped internal turning mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212509200U (en) * | 2020-07-09 | 2021-02-09 | 东莞市劲丰电子有限公司 | Slide constant-length U-shaped internal-folding rotating mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| MY125713A (en) * | 1997-02-10 | 2006-08-30 | Honda Motor Co Ltd | Constant velocity universal joint |
| CN108167316B (en) * | 2017-12-22 | 2020-11-20 | 联想(北京)有限公司 | Rotating shaft, shell and electronic equipment |
| CN111271371B (en) * | 2020-04-02 | 2024-11-12 | 东莞市劲丰电子有限公司 | Three-plate U-shaped inward folding rotating mechanism with fixed midpoint and tangent point |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212509200U (en) * | 2020-07-09 | 2021-02-09 | 东莞市劲丰电子有限公司 | Slide constant-length U-shaped internal-folding rotating mechanism |
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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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