CN112412961B - Arc inner turning mechanism - Google Patents
Arc inner turning mechanism Download PDFInfo
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- CN112412961B CN112412961B CN202011336490.4A CN202011336490A CN112412961B CN 112412961 B CN112412961 B CN 112412961B CN 202011336490 A CN202011336490 A CN 202011336490A CN 112412961 B CN112412961 B CN 112412961B
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- rotating
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- column
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- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- 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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- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Telephone Set Structure (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an arc internal turning mechanism which comprises a rotating shaft, wherein the rotating shaft comprises a rotating mechanism, the rotating mechanism comprises two groups of rotating frames which are transversely distributed, arc groove movable blocks and two groups of arc sliding blocks which are longitudinally distributed and rotationally connected are arranged between the rotating frames, two sides of each arc groove movable block are respectively provided with an arc sliding groove which is in sliding connection with each arc sliding block, and the arc sliding blocks reciprocate in the arc sliding grooves to realize U-shaped internal turning with unchanged tangent points of movement tracks at 0-180 degrees; the rotating frame and the arc groove movable block are in sliding fit with each other through a sliding column and a curve groove to realize rotation; the rotating frame is provided with a rotating hole, the arc sliding block is provided with a rotating column, and the rotating frame is in rotating connection with the arc sliding block through the rotating fit of the rotating column and the rotating hole.
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 an arc 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.
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 satisfied, and the traditional inward folding flexible screen rotating shaft is inconvenient to manufacture with industrialization due to the large number of parts.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the arc inward folding rotating mechanism.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The arc internal turning mechanism comprises a rotating shaft, the rotating shaft comprises a rotating mechanism, the rotating mechanism comprises two groups of rotating frames which are transversely distributed, arc groove movable blocks and two groups of arc sliding blocks which are longitudinally distributed and rotationally connected are arranged between the rotating frames, two sides of each arc groove movable block are respectively provided with an arc sliding groove which is in sliding connection with each arc sliding block, and the arc sliding blocks slide in the arc sliding grooves in a reciprocating manner to realize U-shaped internal turning with unchanged tangential points of movement tracks at 0-180 degrees;
The rotating frame and the arc groove movable block are in sliding fit with each other through a sliding column and a curve groove to realize rotation;
The rotating frame is provided with a rotating hole, the arc sliding block is provided with a rotating column, and the rotating frame is in rotating connection with the arc sliding block through the rotating fit of the rotating column and the rotating hole.
Particularly, the rotating shaft also comprises a connecting and positioning movable block and a gear shaft with two symmetrical sides, a gear is arranged between the gear shafts, and the gear shaft and the gear are respectively meshed to realize synchronous rotation;
The outer sides of the connecting and positioning movable blocks are provided with a plurality of groups of connecting holes, one ends of the gear shafts and the gears are respectively provided with connecting columns, and the connecting columns are connected with the connecting holes to realize the connection and positioning of the gear shafts, the gears and the connecting and positioning movable blocks;
The gear shaft is provided with a connecting arm, the outer end of the connecting arm is provided with a third sliding column, the rotating frame is provided with a transverse sliding groove, and the third sliding column slides in the transverse sliding groove to realize synchronous rotation.
Particularly, the gear shaft is connected with a concave wheel connecting plate, the concave wheel connecting plate and a cam on the gear shaft are matched in a concave-convex mode to achieve clamping point positioning, the function of supporting a screen in a 180-degree state is met, a fixing frame is arranged between the concave wheel connecting plate and the gear shaft, springs for achieving elasticity and torsion are respectively arranged between the fixing frame and the gear shaft, and an end face fixing frame for fixedly packaging the springs is arranged at the outer end of each spring.
In particular, the curved slot is arranged on the rotating frame, and the sliding column is arranged on the arc slot movable block.
In particular, the curved slot is arranged on the circular arc slot movable block, and the sliding column is arranged on the rotating frame.
In particular, the curve groove is arranged on one side of the back surface of the circular arc sliding block, the rotating shaft comprises two groups of balance wheels provided with sliding columns, and the sliding columns are in sliding fit with the curve groove to keep the tangent point unchanged in the 0-180-degree rotating process, so that the U-shaped inward bending rotation of chute interaction and auxiliary rotation of the balance wheels is formed.
In particular, the structure main body further comprises a rotating shaft cover, and the two sides of the rotating shaft cover are provided with a shell for realizing connection and positioning.
The invention has the beneficial effects that: according to the arc inward-bending rotating mechanism, the arc sliding blocks slide in the arc sliding grooves in a reciprocating manner to realize U-shaped inward-bending rotation with unchanged tangent points of movement tracks of 0-180 degrees, the curved grooves are matched with the rotating columns to realize rotation, the distribution positions of the curved grooves and the rotating columns can be flexibly allocated and can be arranged on the rotating frame or the arc groove movable blocks at will, the curved grooves can be directly designed on the arc sliding blocks, the tangent points can be kept unchanged in the 0-180-degree rotating process by only adding two groups of balance wheels with sliding columns, the U-shaped inward-bending rotation with interaction of the arc sliding grooves and the arc sliding blocks and auxiliary rotation of the balance wheels is formed, the whole structure design is simple and effective, the application requirement of a flexible screen is met, the resistance torsion effect in the 0-180-degree bending and the supporting screen effect in the 180-degree state are provided, the flexible screen application is met by few components, and the industrialized implementation is facilitated.
Drawings
Fig. 1 is a general view of the structural body of the present invention.
Fig. 2 is a schematic diagram of the motion trail of the present invention.
FIG. 3 is a 90 degree state diagram of the spindle of the present invention.
Fig. 4 is a 180 degree state diagram of the spindle of the present invention.
FIG. 5 is a 0 degree state diagram of the spindle of the present invention.
FIG. 6 is an exploded view of the spindle of the present invention.
FIG. 7 is a second exploded view of the spindle of the present invention.
FIG. 8 is a third exploded view of the spindle of the present invention.
FIG. 9 is a view showing a 0-degree constitution of a rotary mechanism according to the present invention.
Fig. 10 is a 0 degree exploded view of one of the rotary mechanisms of the present invention.
FIG. 11 is a 90 degree component block diagram of one of the rotary mechanisms of the present invention.
Fig. 12 is a 90 degree exploded view of one of the rotary mechanisms of the present invention.
FIG. 13 is a 180 degree component block diagram of one of the rotary mechanisms of the present invention.
Fig. 14 is a 180 degree exploded view of one of the motion mechanisms of the present invention.
FIG. 15 is a two 0 degree component block diagram of the rotating mechanism of the present invention.
FIG. 16 is a two 0 degree exploded view of the rotation mechanism of the present invention.
FIG. 17 is a two 90 degree component block diagram of the rotating mechanism of the present invention.
FIG. 18 is a two 90 degree exploded view of the rotary mechanism of the present invention.
FIG. 19 is a two 180 degree component block diagram of the rotating mechanism of the present invention.
FIG. 20 is a two 180 degree exploded view of the motion mechanism of the present invention.
FIG. 21 is a three 0 degree component block diagram of the rotary mechanism of the present invention.
FIG. 22 is a three 0 degree exploded view of the rotation mechanism of the present invention.
FIG. 23 is a three 90 degree component block diagram of the rotary mechanism of the present invention.
FIG. 24 is a three 90 degree exploded view of the rotation mechanism of the present invention.
FIG. 25 is a three 180 degree component block diagram of the rotary mechanism of the present invention.
FIG. 26 is a three 180 degree exploded view of the motion mechanism of the present invention.
FIG. 27 is a schematic view showing the overall structure composition of the present invention.
Fig. 28 is a structural view of a gear shaft according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings of the specification:
In the following embodiment, as shown in fig. 2, a is the stroke change of the flexible screen in the bending process, B is the relationship between the angle change of the mechanism in the rotating process 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 1 is not changed in the whole bending process, and the position adjustment in the bending process is satisfied through the mechanism change, so that the constant length in the bending process of the flexible screen is realized.
Examples
As shown in fig. 9-14, the arc internal turning mechanism disclosed in this embodiment includes a rotating shaft 1, the rotating shaft 1 includes a rotating mechanism 2, the rotating mechanism 2 includes two sets of rotating frames 3 distributed transversely, arc slot moving blocks 4 and two sets of arc sliding blocks 5 distributed longitudinally and connected rotationally are arranged between the rotating frames 3, two sides of the arc slot moving blocks 4 are respectively provided with an arc sliding slot 41 connected with the arc sliding blocks 5 in a sliding manner, and the arc sliding blocks 5 slide reciprocally in the arc sliding slots 41 to realize U-shaped internal turning with unchanged tangent points of movement track between 0 degrees and 180 degrees;
the rotating frame 3 and the circular arc groove movable block 4 realize rotation through the sliding fit of the sliding column 6 and the curved groove 7; the rotating frame 3 is provided with a rotating hole 31, the arc sliding block 5 is provided with a rotating column 51, and the rotating frame 3 and the arc sliding block 5 are in rotating connection through the rotating fit of the rotating column 51 and the rotating hole 31. The curve groove 7 is arranged on the rotating frame 3, and the sliding column 6 is arranged on the arc groove movable block 4.
Examples
15-20, The arc internal turning mechanism disclosed in this embodiment includes a rotating shaft 1, where the rotating shaft 1 includes a rotating mechanism 2, where the rotating mechanism 2 includes two sets of rotating frames 3 distributed transversely, arc slot moving blocks 4 and two sets of arc sliding blocks 5 distributed longitudinally and connected rotationally are arranged between the rotating frames 3, two sides of the arc slot moving blocks 4 are respectively provided with an arc sliding slot 41 connected with the arc sliding blocks 5 in a sliding manner, and the arc sliding blocks 5 slide reciprocally in the arc sliding slots 41 to realize U-shaped internal turning with unchanged tangent points of movement tracks of 0-180 degrees;
The rotating frame 3 and the circular arc groove movable block 4 realize rotation through the sliding fit of the sliding column 6 and the curved groove 7; the rotating frame 3 is provided with a rotating hole 31, the arc sliding block 5 is provided with a rotating column 51, and the rotating frame 3 and the arc sliding block 5 are in rotating connection through the rotating fit of the rotating column 51 and the rotating hole 31. The curve groove 7 is arranged on the arc groove movable block 4, and the sliding column 6 is arranged on the rotating frame 3.
Examples
As shown in fig. 20-26, the arc internal turning mechanism disclosed in this embodiment includes a rotating shaft 1, the rotating shaft 1 includes a rotating mechanism 2, the rotating mechanism 2 includes two sets of rotating frames 3 distributed transversely, arc slot moving blocks 4 and two sets of arc sliding blocks 5 distributed longitudinally and connected rotationally are arranged between the rotating frames 3, two sides of the arc slot moving blocks 4 are respectively provided with an arc sliding slot 41 connected with the arc sliding blocks 5 in a sliding manner, and the arc sliding blocks 5 slide reciprocally in the arc sliding slots 41 to realize U-shaped internal turning with unchanged tangent points of movement tracks of 0-180 degrees;
The rotating frame 3 and the circular arc groove movable block 4 realize rotation through the sliding fit of the sliding column 6 and the curved groove 7; the rotating frame 3 is provided with a rotating hole 31, the arc sliding block 5 is provided with a rotating column 51, and the rotating frame 3 and the arc sliding block 5 are in rotating connection through the rotating fit of the rotating column 51 and the rotating hole 31. The curve groove 7 is arranged on one side of the back surface of the arc sliding block 5, the rotating shaft 1 comprises two groups of balance wheels 8 provided with sliding columns 6, the sliding columns 6 are in sliding fit with the curve groove 7 to keep a tangent point unchanged in the 0-180-degree rotating process, and the arc sliding groove 41 is formed to interact with the arc sliding block 5 and rotate in a U-shaped inward bending mode with the balance wheels 8 assisting in rotation.
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.
As shown in fig. 1-8, 27 and 28, in the above embodiment, the rotating shaft 1 further includes a gear shaft 10 connected with the positioning movable block 9 and symmetrical on both sides, a gear 11 is disposed between the gear shafts 10, and the gear shaft 10 and the gear 11 are respectively meshed to realize synchronous rotation; a plurality of groups of connecting holes 91 are formed in the outer side of the connecting and positioning movable block 9, connecting columns 92 are respectively arranged at one end of the gear shaft 10 and one end of the gear 11, and the connecting columns 92 are connected with the connecting holes 91 to realize the connection and positioning of the gear shaft 10, the gear 11 and the connecting and positioning movable block 9; the gear shaft 10 is provided with a connecting arm 101, the outer end of the connecting arm 101 is provided with a third sliding column 102, the rotating frame 3 is provided with a transverse sliding groove 32, and the third sliding column 102 slides in the transverse sliding groove 32 to realize synchronous rotation. The gear shaft 10 is connected with a concave wheel connecting plate 12, the concave wheel connecting plate 12 and a cam 103 on the gear shaft 10 are matched in a concave-convex mode to achieve clamping point positioning, and the function of supporting a screen in a 180-degree state is met, a fixing frame 13 is arranged between the concave wheel connecting plate 12 and the gear shaft 10, springs 14 for achieving elasticity and torsion are respectively arranged between the fixing frame 13 and the gear shaft 10, and an end face fixing frame 15 for fixedly packaging the springs 14 is arranged at the outer end of each spring 14. The structure main body further comprises a rotating shaft cover 16, and a shell 17 for realizing connection and positioning is arranged on two sides of the rotating shaft cover 16.
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 U-shaped inward bending rotation with the constant tangent point of the motion track of 0-180 degrees is realized by the reciprocating sliding of the arc sliding block 5 in the sliding groove of the arc sliding groove 41, the rotation is realized by the matching of the curve groove 7 and the rotating column 51, the distribution positions of the curve groove 7 and the rotating column 51 can be flexibly allocated and can be randomly arranged on the rotating frame 3 or the arc groove movable block 4, the curve groove 7 can be directly designed on the arc sliding block 5, the tangent point is kept unchanged in the 0-180 degrees rotation process by only adding two groups of balance wheels with the sliding column 6, the U-shaped inward bending rotation with the interaction of the arc sliding groove 41 and the arc sliding block 5 and the auxiliary rotation of the balance wheels is formed, the whole structure design is simple and effective, the application requirement of a flexible screen is met, the resistance torsion effect in the 0-180 degrees bending and the supporting screen effect in the 180 degrees are provided, the flexible screen application is met by few components, and the industrialized implementation is facilitated.
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. An arc inner folding rotating mechanism is characterized in that: the rotary shaft comprises a rotary mechanism, the rotary mechanism comprises two groups of rotary frames which are transversely distributed, arc groove movable blocks and two groups of arc sliding blocks which are longitudinally distributed and rotationally connected are arranged between the rotary frames, two sides of each arc groove movable block are respectively provided with an arc sliding groove which is in sliding connection with each arc sliding block, and each arc sliding block slides back and forth in each arc sliding groove;
The rotating frame and the arc groove movable block are in sliding fit with each other through a sliding column and a curve groove to realize rotation;
The rotating frame is provided with a rotating hole, the arc sliding block is provided with a rotating column, and the rotating frame is in rotating connection with the arc sliding block through the rotating fit of the rotating column and the rotating hole;
The rotating shaft also comprises a connecting and positioning movable block and a gear shaft with two symmetrical sides, a gear is arranged between the gear shafts, and the gear shaft and the gear are respectively meshed to realize synchronous rotation;
The outer sides of the connecting and positioning movable blocks are provided with a plurality of groups of connecting holes, one ends of the gear shafts and the gears are respectively provided with connecting columns, and the connecting columns are connected with the connecting holes to realize the connection and positioning of the gear shafts, the gears and the connecting and positioning movable blocks;
The gear shaft is provided with a connecting arm, the outer end of the connecting arm is provided with a third sliding column, the rotating frames are provided with transverse sliding grooves, and the third sliding column slides in the transverse sliding grooves;
the rotating shaft also comprises a rotating shaft cover, and the two sides of the rotating shaft cover are provided with a shell for realizing connection and positioning.
2. The in-arc turning mechanism according to claim 1, wherein:
The gear shaft is connected with a concave wheel connecting plate, the concave wheel connecting plate and a cam on the gear shaft are matched in a concave-convex mode to achieve clamping point positioning, the function of supporting a screen in a 180-degree state is met, a fixing frame is arranged between the concave wheel connecting plate and the gear shaft, springs for achieving elasticity and torsion are respectively arranged between the fixing frame and the gear shaft, and an end face fixing frame for fixedly packaging the springs is arranged at the outer end of each spring.
3. The in-arc turning mechanism according to claim 1, wherein:
The curve groove is arranged on the rotating frame, and the sliding column is arranged on the arc groove movable block.
4. The in-arc turning mechanism according to claim 1, wherein:
the curve groove is arranged on the arc groove movable block, and the sliding column is arranged on the rotating frame.
5. The in-arc turning mechanism according to claim 1, wherein:
the curve groove is arranged on one side of the back surface of the circular arc sliding block, the rotating shaft comprises two groups of balance wheels provided with sliding columns, and the sliding columns are in sliding fit with the curve groove.
Priority Applications (1)
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CN202011336490.4A CN112412961B (en) | 2020-11-23 | 2020-11-23 | Arc inner turning mechanism |
Applications Claiming Priority (1)
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CN202011336490.4A CN112412961B (en) | 2020-11-23 | 2020-11-23 | Arc inner turning mechanism |
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CN112412961A CN112412961A (en) | 2021-02-26 |
CN112412961B true CN112412961B (en) | 2024-06-04 |
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CN202011336490.4A Active CN112412961B (en) | 2020-11-23 | 2020-11-23 | Arc inner turning mechanism |
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