CN215634368U - U-shaped internal folding rotary mechanism of cross-shaped twisting frame - Google Patents
U-shaped internal folding rotary mechanism of cross-shaped twisting frame Download PDFInfo
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- CN215634368U CN215634368U CN202022485337.XU CN202022485337U CN215634368U CN 215634368 U CN215634368 U CN 215634368U CN 202022485337 U CN202022485337 U CN 202022485337U CN 215634368 U CN215634368 U CN 215634368U
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Abstract
The utility model discloses a U-shaped inward-folding rotating mechanism of a cross-shaped twisting frame, which comprises a rotating unit, wherein the rotating unit comprises a fixed frame and a bilaterally symmetrical rotating frame, a first connecting arm and a second connecting arm which are bilaterally symmetrically distributed are arranged between the fixed frame and the rotating frame, an arc chute and a first connecting column are arranged on the fixed frame, a semi-arc chute and a second connecting column are arranged on the rotating frame, a first connecting hole, a first sliding column and a second sliding column are arranged on the first connecting arm, and a third connecting column, a second connecting hole and a third connecting hole which are vertically distributed are arranged on the second connecting arm; the second connecting hole is connected with the second connecting column in a combined mode to realize rotation, and the first connecting hole is connected with the second connecting column in a combined mode to realize rotation; the first connecting column is connected with the third connecting hole in a combined manner to realize rotation; the second sliding column slides in the arc chute, and the first sliding column slides in the semi-arc chute to realize the cross-shaped twisted opening and closing of the fixed tangent point.
Description
Technical Field
The utility model relates to the technical field of rotating shaft design, in particular to an inward folding connecting shaft, and particularly relates to a U-shaped inward folding rotating mechanism of a cross-shaped twisting frame.
Background
At present, no matter be flat board, cell-phone or other take the electronic product of display screen, all be in the direction development to flexible screen, in the development of this technical field, the transition product that appears similar flexible screen function also is indispensable, so-called transition product is exactly that to realize that the double screen is folding, fold the effect through the double screen folding whole screen that reaches, at the in-process of buckling, do not have obvious breaching, wholly give the folding result of use of whole screen, test or feedback out the attitude that the consumer used to the screen is folded through this kind of mode.
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, how to realize the inward folding needs a special rotating unit, the possibility of rotating and folding is considered, the effectiveness of bilateral connection is further considered, and especially the problem of synchronous bending needs to be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a U-shaped inward-folding rotating mechanism of a cross-shaped twisting frame.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the U-shaped inward-folding rotating mechanism of the cross-shaped twisting frame comprises a structure main body, wherein the structure main body comprises two groups of rotating shafts, each rotating shaft comprises a rotating unit, each rotating unit comprises a fixing frame and a rotating frame which are bilaterally symmetrical, the cross-shaped twisting frame which is bilaterally symmetrically distributed is arranged between the fixing frame and the rotating frame, each cross-shaped twisting frame consists of a first connecting arm and a second connecting arm, an arc chute and a first connecting column are arranged on the fixing frame, a semi-arc chute and a second connecting column are arranged on the rotating frame, a first connecting hole, a first sliding column and a second sliding column are arranged on the first connecting arm, and a third connecting column, a second connecting hole and a third connecting hole which are vertically distributed are arranged on the second connecting arm;
the second connecting hole is connected with the second connecting column in a combined mode to realize rotation, and the first connecting hole is connected with the second connecting column in a combined mode to realize rotation;
the third connecting column is rotatably connected with the first connecting hole to form a cross-shaped twisting frame, and the first connecting column is combined and connected with the third connecting hole to realize rotation;
the second sliding column slides in the arc chute, and the first sliding column slides in the semi-arc chute to realize the cross-shaped twisted opening and closing of the fixed tangent point.
Particularly, the structure main body comprises an auxiliary mechanism, the auxiliary mechanism comprises a concave wheel gasket and two groups of cam movable blocks which are symmetrically distributed, the cam on each cam movable block is in running fit with the concave wheel to achieve the self-locking effect of 0-180-degree clamping points, each cam movable block is provided with a connecting shaft and a third sliding column, a transverse sliding groove is formed in one side of the rotating frame, and the third sliding column slides in the transverse sliding groove.
Particularly, the structure main body further comprises a damping torsion mechanism, the damping torsion mechanism is composed of a connecting and positioning movable block and two groups of springs, the connecting and positioning movable block is connected with the connecting shaft in a penetrating mode, and the springs are arranged between the cam movable block and the connecting and positioning movable block.
Specially, the structure main part includes spiral lazytongs, spiral lazytongs includes synchronous movable block, spiral slider and two sets of screw axis, the synchronous movable block is equipped with the fourth spliced pole of symmetric distribution, be equipped with the guiding hole and the spiral hole of symmetric distribution on the spiral slider, the guiding hole with the fourth spliced pole is connected, the spiral hole with the screw axis spiral rotates to be connected and realizes that 0 degree-180 degree spiral structure rotates in step, screw axis one end is equipped with flat position hole, cam movable block one end is equipped with flat position axle, flat position axle with flat position in flat position hole is connected.
Particularly, the structure main body comprises a gear synchronizing mechanism, the gear synchronizing mechanism comprises two groups of connecting plates, a plurality of groups of gears which are meshed with each other to realize synchronization are arranged between the connecting plates to realize 0-180-degree synchronous rotation, and each gear consists of a large gear and a small gear.
Particularly, the structure main body comprises a single-rack synchronizing mechanism, the single-rack synchronizing mechanism comprises a synchronous movable block, a single-rack movable block and two groups of gears, the single-rack movable block is meshed with the gears, a sliding block is arranged on the back face of the single-rack movable block, a sliding groove is formed in the fixed frame, and the sliding block and the sliding groove are matched to realize 0-180-degree synchronous rotation.
Particularly, the structure main body comprises a single-connecting-rod synchronizing mechanism, the single-connecting-rod synchronizing mechanism comprises a synchronous movable block, a single connecting rod and two groups of connecting rod wheels, the single connecting rod is connected and matched with the connecting rod wheels to realize synchronous rotation of the single-connecting-rod structure at 0-180 degrees, and the connecting rod wheels are provided with inner hole flat positions.
Particularly, the structure main body is wrapped with a sliding block synchronizing mechanism, the sliding block synchronizing mechanism comprises a synchronous movable block, a sliding block and two groups of rotating wheels, the sliding block is connected with the rotating wheels to rotate, the sliding block structure can rotate synchronously at 0-180 degrees, the sliding block is arranged on the back of the sliding block, a longitudinal sliding groove is formed in the fixed frame, and the sliding block and the longitudinal sliding groove slide up and down.
Particularly, the structure main body further comprises a rotating shaft cover, and a shell for realizing connection and positioning and a plurality of groups of screws for realizing connection, fixation and locking are arranged on two sides of the rotating shaft cover.
The utility model has the beneficial effects that: the U-shaped inward-folding rotating mechanism of the cross-shaped twisting frame is provided with the cross-shaped twisting frame which is symmetrically distributed on two sides and matched with the fixed frame and the rotating movable frame, the cross-shaped state twisting opening and closing of a fixed tangent point are realized through the sliding matching of the semi-arc chute and the arc chute respectively, the screen compensation effect of 180 degrees is met, the structural design is simple and effective, the application requirement of a flexible screen is met, and a clamping point self-locking mechanism with the clamping point, self-locking function and screen supporting function in 0-180 degree bending is provided.
Drawings
Fig. 1 is an exploded view of the overall structure of the rotating shaft of the present invention.
Fig. 2 is a schematic diagram of the motion track of the rotating shaft of the present invention.
Fig. 3 is a schematic view of the inner side edge structure of the rotating shaft 90 of the present invention.
Fig. 4 is a schematic diagram of the outer side structure of the rotating shaft 90 according to the present invention.
FIG. 5 is a schematic view of the structure of the rotating unit of the present invention.
FIG. 6 is a second schematic view of the assembly structure of the rotating unit of the present invention.
Fig. 7 is a schematic view of the cross-shaped hinge frame assembly structure of the present invention.
FIG. 8 is a schematic view of the cross-shaped frame and the fixing frame of the present invention.
FIG. 9 is a second schematic view of the cross-shaped frame and the fixing frame of the present invention.
Fig. 10 is a schematic view of the structure of the fixing frame of the present invention.
Fig. 11 is a schematic structural view of the movable frame of the present invention.
Fig. 12 is a schematic view of the first connecting arm structure of the present invention.
Fig. 13 is a schematic view of a second connecting arm of the present invention.
Fig. 14 is a schematic view of the cam moving block structure of the present invention.
FIG. 15 is a schematic view of the structure of the gear synchronizing mechanism of the present invention.
FIG. 16 is a schematic view of the structure of the single rack synchronizing mechanism of the present invention.
FIG. 17 is a schematic view of a single link synchronization mechanism according to the present invention.
FIG. 18 is a schematic view of the structure of the slider synchronizing mechanism of the present invention.
FIG. 19 is a schematic view of the structure of the main body of the present invention at 90 degree.
Fig. 20 is an exploded view of the structural body of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example 1:
in this embodiment, as shown in fig. 2, a is a stroke change of the flexible screen during the bending process, and B is a relationship between an angle change of the mechanism during the rotation process and a position change of the screen, that is, the constant sliding length means that the relative position between the flexible screen and the rotating shaft is not changed during the whole bending process, and the position adjustment during the bending process is satisfied through the mechanism change, so that the constant length is not changed during the bending process of the flexible screen.
As shown in fig. 1-20, the U-shaped internal folding mechanism of the cross-shaped hinge bracket disclosed in this embodiment includes a main structure body, the structure main body comprises two groups of rotating shafts 1, the rotating shafts 1 comprise rotating units 2, the rotating units 2 comprise a fixed frame 21 and bilaterally symmetrical rotating frames 22, a cross-shaped twisting frame 23 which is symmetrically distributed on two sides is arranged between the fixed frame 21 and the rotating frame 22, the cross-shaped hinge frame 23 is composed of a first connecting arm 231 and a second connecting arm 232, the fixing frame 21 is provided with an arc chute 211 and a first connecting post 212, the rotating frame 22 is provided with a semi-circular sliding slot 221 and a second connecting post 222, the first connecting arm 231 is provided with a first connecting hole 2311, a first sliding post 2312 and a second sliding post 2313, the second connecting arm 232 is provided with a third connecting column 2321, and a second connecting hole 2322 and a third connecting hole 2323 which are distributed vertically;
the second connection hole 2322 is combined with the second connection column 222 and rotates, and the first connection hole 2311 is combined with the second connection column 222 and rotates;
the third connecting column 2321 is rotatably connected with the first connecting hole 2311 to form a cross-shaped hinge frame, and the first connecting column 212 is connected with the third connecting hole 2323 in a combined manner to realize rotation;
the second sliding column 2313 slides in the arc sliding groove 211, and the first sliding column 2312 slides in the semi-arc sliding groove 221 to realize cross-shaped twisted opening and closing of a fixed tangent point.
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 present invention part 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 structure main body includes an auxiliary mechanism 3, the auxiliary mechanism 3 includes a concave wheel gasket 31 and two sets of cam moving blocks 32 symmetrically distributed, the cam on the cam moving block 32 is rotationally matched with the concave wheel 31 to realize a 0-180 degree clamping point self-locking effect, the cam moving block 32 is provided with a connecting shaft 321 and a third sliding column 322, one side of the rotating frame 22 is provided with a transverse sliding groove 224, and the third sliding column 322 slides in the transverse sliding groove 224.
The structure main body further comprises a damping torsion mechanism 4, the damping torsion mechanism 4 is composed of a connecting and positioning movable block 41 and two sets of springs 42, the connecting and positioning movable block 41 is connected with the connecting shaft 321 in a penetrating manner, and the springs 42 are arranged between the cam movable block 32 and the connecting and positioning movable block 41.
As shown in fig. 1, the structure body includes a spiral synchronization mechanism 51, the spiral synchronization mechanism 51 includes a synchronous movable block 511, a spiral slider 512 and two sets of spiral shafts 513, the synchronous movable block 511 is provided with a fourth connection column 5111 which is symmetrically distributed, the spiral slider 512 is provided with a guide hole 5121 and a spiral hole 5122 which are symmetrically distributed, the guide hole 5121 is connected with the fourth connection column 5111, the spiral hole 5122 is spirally and rotatably connected with the spiral shafts 513 to realize synchronous rotation of a 0-180-degree spiral structure, one end of each spiral shaft 513 is provided with a flat hole 5133, one end of each cam movable block 32 is provided with a flat shaft 325, and the flat shaft 325 is connected with the flat hole 5133 in a flat manner.
As shown in fig. 15, the structural body includes a gear synchronizing mechanism 52, the gear synchronizing mechanism 52 includes two sets of connecting plates 521, a plurality of sets of gears which are engaged with each other to realize synchronization are arranged between the connecting plates 521 to realize synchronous rotation of 0-180 degrees, and the gears are composed of a large gear 522 and a small gear 523.
As shown in fig. 16, the structural body includes a single-rack synchronization mechanism 53, the single-rack synchronization mechanism 53 includes a synchronization movable block 531, a single-rack movable block 532, and two sets of gears 533, the single-rack movable block 532 is engaged with the gears 533, a sliding block 5321 is disposed on a back surface of the single-rack movable block 532, a sliding slot 5322 is disposed on the fixed frame 21, and the sliding block 5321 and the sliding slot 5322 cooperate to realize 0-180 degree synchronization rotation.
As shown in fig. 17, the main structure body includes a single link synchronization mechanism 54, the single link synchronization mechanism 54 includes a synchronization moving block 541, a single link 542 and two sets of link wheels 543, the single link 542 is connected and matched with the link wheels 543 to achieve a synchronous rotation of the 0-180 degree single link structure, and the link wheels 543 are provided with inner hole flat positions 5431.
As shown in fig. 18, the structure body includes a sliding block synchronization mechanism 55, the sliding block synchronization mechanism 55 includes a synchronization movable block 551, a sliding block 552 and two sets of rotating wheels 553, the sliding block 552 is connected with the rotating wheels 553 for rotation, so as to realize the synchronous rotation of the sliding block structure of 0-180 degrees, a sliding block 5521 is disposed on the back of the sliding block 552, a longitudinal sliding slot 5522 is disposed on the fixed frame 21, and the sliding block 5521 and the longitudinal sliding slot 5522 slide up and down.
The structure main body further comprises a rotating shaft cover 7, and a shell 8 for realizing connection and positioning and a plurality of groups of screws 9 for realizing connection, fixation and locking are arranged on two sides of the rotating shaft cover 7.
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 cross-shaped twisting frame with symmetrically distributed bilateral sides is matched with the fixed frame and the rotating movable frame, the cross-shaped twisting opening and closing of the fixed tangent point are realized through the sliding fit of the semi-circular arc sliding groove and the circular arc sliding groove respectively, the 180-degree screen compensation effect is met, the structural design is simple and effective, the application requirement of the flexible screen is met, and a 0-180-degree bending stuck point self-locking mechanism with the functions of blocking point, self-locking and supporting screen is provided.
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. U type infolding slewing mechanism of cross hank frame, its characterized in that: the rotating mechanism comprises a structure main body, wherein the structure main body comprises two groups of rotating shafts, each rotating shaft comprises a rotating unit, each rotating unit comprises a fixing frame and a rotating frame with bilateral symmetry, a cross twisting frame with bilateral symmetry distribution is arranged between the fixing frame and the rotating frame, the cross twisting frame comprises a first connecting arm and a second connecting arm, an arc chute and a first connecting column are arranged on the fixing frame, a semi-arc chute and a second connecting column are arranged on the rotating frame, a first connecting hole, a first sliding column and a second sliding column are arranged on the first connecting arm, and a third connecting column, a second connecting hole and a third connecting hole are arranged on the second connecting arm;
the second connecting hole is connected with the second connecting column in a combined mode to realize rotation, and the first connecting hole is connected with the second connecting column in a combined mode to realize rotation;
the third connecting column is rotatably connected with the first connecting hole to form a cross-shaped twisting frame, and the first connecting column is combined and connected with the third connecting hole to realize rotation;
the second sliding column slides in the arc chute, and the first sliding column slides in the semi-arc chute to realize the cross-shaped twisted opening and closing of the fixed tangent point.
2. The U-shaped inward-folding rotating mechanism of the cross-shaped hinge frame as claimed in claim 1, wherein:
the structure main body comprises an auxiliary mechanism, the auxiliary mechanism comprises a concave wheel gasket and two groups of cam movable blocks which are symmetrically distributed, the cam on each cam movable block is matched with the concave wheel in a rotating mode to achieve the self-locking effect of 0-180-degree clamping points, each cam movable block is provided with a connecting shaft and a third sliding column, a transverse sliding groove is formed in one side of the rotating frame, and the third sliding column slides in the transverse sliding groove.
3. The U-shaped inward-folding rotating mechanism of the cross-shaped hinge frame as claimed in claim 2, wherein:
the structure main body further comprises a damping torsion mechanism, the damping torsion mechanism is composed of a connecting and positioning movable block and two groups of springs, the connecting and positioning movable block is connected with the connecting shaft in a penetrating mode, and the springs are arranged between the cam movable block and the connecting and positioning movable block.
4. The U-shaped inward-folding rotating mechanism of the cross-shaped hinge frame as claimed in claim 2, wherein:
the structure main body comprises a spiral type synchronizing mechanism, the spiral type synchronizing mechanism comprises a synchronous movable block, a spiral sliding block and two sets of spiral shafts, the synchronous movable block is provided with a fourth connecting column which is symmetrically distributed, the spiral sliding block is provided with a guide hole and a spiral hole which are symmetrically distributed, the guide hole is connected with the fourth connecting column, the spiral hole is connected with the spiral shaft in a rotating mode to realize synchronous rotation of a 0-180-degree spiral structure, one end of the spiral shaft is provided with a flat position hole, one end of the cam movable block is provided with a flat position shaft, and the flat position shaft is connected with the flat position of the flat position hole.
5. The U-shaped inward-folding rotating mechanism of the cross-shaped hinge frame as claimed in claim 1, wherein:
the structure main body comprises a gear synchronizing mechanism, the gear synchronizing mechanism comprises two groups of connecting plates, a plurality of groups of gears which are meshed with each other to realize synchronization are arranged between the connecting plates to realize 0-180-degree synchronous rotation, and each gear consists of a large gear and a small gear.
6. The U-shaped inward-folding rotating mechanism of the cross-shaped hinge frame as claimed in claim 1, wherein:
the structure main body comprises a single-rack synchronizing mechanism, the single-rack synchronizing mechanism comprises a synchronous movable block, a single-rack movable block and two groups of gears, the single-rack movable block is meshed with the gears, a sliding block is arranged on the back face of the single-rack movable block, a sliding groove is formed in the fixed frame, and the sliding block and the sliding groove are matched to realize 0-180-degree synchronous rotation.
7. The U-shaped inward-folding rotating mechanism of the cross-shaped hinge frame as claimed in claim 1, wherein:
the structure main body comprises a single connecting rod synchronizing mechanism, the single connecting rod synchronizing mechanism comprises a synchronous movable block, a single connecting rod and two groups of connecting rod wheels, the single connecting rod is connected and matched with the connecting rod wheels to realize synchronous rotation of the single connecting rod structure at 0-180 degrees, and the connecting rod wheels are provided with inner hole flat positions.
8. The U-shaped inward-folding rotating mechanism of the cross-shaped hinge frame as claimed in claim 1, wherein:
the structure main body wraps the sliding block synchronizing mechanism, the sliding block synchronizing mechanism comprises a synchronous movable block, a sliding block and two groups of rotating wheels, the sliding block is connected with the rotating wheels to rotate, the sliding block structure is synchronously rotated by 0-180 degrees, the sliding block is arranged on the back of the sliding block, a longitudinal sliding groove is formed in the fixed frame, and the sliding block and the longitudinal sliding groove slide up and down.
9. The U-shaped inward-folding rotating mechanism of the cross-shaped hinge frame as claimed in claim 1, wherein: the structure main body further comprises a rotating shaft cover, and the two sides of the rotating shaft cover are provided with a machine shell for realizing connection and positioning and a plurality of groups of screws for realizing connection, fixation and locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022485337.XU CN215634368U (en) | 2020-10-30 | 2020-10-30 | U-shaped internal folding rotary mechanism of cross-shaped twisting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022485337.XU CN215634368U (en) | 2020-10-30 | 2020-10-30 | U-shaped internal folding rotary mechanism of cross-shaped twisting frame |
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| Publication Number | Publication Date |
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| CN215634368U true CN215634368U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022485337.XU Active CN215634368U (en) | 2020-10-30 | 2020-10-30 | U-shaped internal folding rotary mechanism of cross-shaped twisting frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412965A (en) * | 2020-10-30 | 2021-02-26 | 东莞市劲丰电子有限公司 | U-shaped internal folding rotary mechanism of cross-shaped twisting frame |
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2020
- 2020-10-30 CN CN202022485337.XU patent/CN215634368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412965A (en) * | 2020-10-30 | 2021-02-26 | 东莞市劲丰电子有限公司 | U-shaped internal folding rotary mechanism of cross-shaped twisting frame |
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| CP02 | Change in the address of a patent holder |
Address after: No. 2, Shangli Road, Shipai Town, Dongguan City, Guangdong Province, 523000 Patentee after: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. Address before: 523000 Puxin Industrial Zone, Shipai Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. |
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