Arc internal turning mechanism for large-size flexible screen application
Technical Field
The invention relates to the technical field of rotating shaft design, in particular to an inward-folding connecting shaft, which is an arc inward-folding mechanism applied to a large-size flexible screen.
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 an arc internal turning mechanism for large-size flexible screen application.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The circular arc internal turning mechanism for large-size flexible screen application comprises a structural main body, wherein the structural main body comprises a rotating shaft cover and a plurality of groups of rotating shafts which are arranged on the rotating shaft cover and are connected with the rotating shaft cover in a combined mode, the rotating shafts comprise a synchronous mechanism and a rotating mechanism which are connected in a combined mode, the rotating mechanism consists of a plurality of groups of circular arc movable blocks, the circular arc movable blocks are provided with a plurality of groups of circular arcs to realize 0-180-degree rotation, each circular arc movable block comprises a middle circular arc movable block, two groups of symmetrically-distributed outer circular arc movable blocks are arranged on the outer side of each middle circular arc movable block, two groups of symmetrically-distributed inner circular arc movable blocks are arranged on the inner side of each middle circular arc movable block, each inner circular arc movable block is connected with an end face circular arc movable block, each end face circular arc movable block is provided with a sliding groove, and each sliding groove and each sliding block realize screen compensation and buffering; the synchronous mechanism is one of a gear-rack synchronous mechanism or a gear synchronous mechanism.
Particularly, a locating pin for realizing 0-degree and 180-degree state clamping point locating and self-locking is arranged between the end face circular arc movable block and the inner side circular arc movable block, and a spring for generating elasticity and torsion is arranged on the locating pin.
In particular, the arc comprises a groove arc and a convex arc, the groove arc and the convex arc form an arc tube position, the middle arc movable block is connected with the outer arc movable block through the arc tube position, and the middle arc movable block is connected with the inner arc movable block and the end face arc movable block through the arc tube position respectively.
Particularly, the gear-rack synchronizing mechanism comprises two groups of linear guide rail movable blocks, a gear, a rack and a connecting rod movable block which are connected in a combined mode are arranged between the linear guide rail movable blocks, the gear is meshed with the rack to realize 0-180-degree synchronous rotation, the rack is provided with a rack sliding block and a rack connecting column, the linear guide rail movable blocks are provided with linear chute tracks, the rack sliding blocks slide in the linear chute tracks in parallel, the connecting rod movable blocks are symmetrically distributed in a bilateral mode, the connecting rod movable blocks are provided with first connecting holes and connecting columns, the end face arc movable blocks are provided with second connecting holes, the connecting columns are connected with the second connecting holes in a rotating mode, and the first connecting holes are connected with the rack connecting columns in a rotating mode to realize 0-180-degree synchronous rotation.
Particularly, the gear synchronization mechanism comprises a connection positioning movable block and a plurality of groups of gears, one side of the inner circular arc movable block is provided with half teeth, the gears are meshed with the half teeth to realize 0-180-degree synchronous rotation, the connection positioning movable block is provided with a plurality of groups of gear connecting columns, and the gears are arranged on the gear connecting columns.
In particular, the structural body further comprises an outer package and a plurality of groups of screws for realizing package fixation.
The invention has the beneficial effects that: the arc internal turning mechanism for the large-size flexible screen has the advantages that the arc internal turning mechanism is integrally structured, the arc assembly is used for realizing the rotation, the 0-180-degree rotation connection is realized through the arc tube position connection combination, the design elements are simplified, the synchronous rotation of the rack, the gear and the sliding block structure is matched, the screen compensation and buffering are realized, the design is simple and flexible, the processing and the manufacturing are convenient, the precision requirement is met, and the design requirement of a large-size flexible screen product is particularly met.
Drawings
Fig. 1 is a 90-degree overall structure diagram of an arc inner turn mechanism for a large-size flexible screen application of the present invention.
Fig. 2 is a 0-degree overall structure diagram of an arc internal turning mechanism for a large-size flexible screen application of the present invention.
Fig. 3 is a 180-degree overall structural view of an in-arc turning mechanism for a large-size flexible screen application of the present invention.
Fig. 4is an overall exploded view of an in-arc turning mechanism for a large-size flexible screen application of the present invention.
Fig. 5 is a diagram showing one of the structure of the rotating shaft in the circular arc internal folding mechanism applied to the large-size flexible screen of the present invention.
FIG. 6 is a diagram showing a second construction of a rotating shaft in the arc inner turn mechanism applied to the large-sized flexible screen of the present invention.
FIG. 7 is a third view of the structure of the shaft in the in-arc turning mechanism for large-size flexible screen application of the present invention.
FIG. 8 is a diagram showing the structure of the rotating shaft in the circular arc internal folding mechanism applied to the large-size flexible screen of the present invention.
Fig. 9 is an exploded view of one of the shafts of the in-arc turning mechanism for a large-sized flexible screen application of the present invention.
FIG. 10 is a second exploded view of the shaft of the in-arc turning mechanism for a large-size flexible screen application of the present invention.
Fig. 11 is a diagram showing the construction of a middle circular arc movable block of a circular arc internal turning mechanism applied to a large-sized flexible screen according to the present invention.
Fig. 12 is one of the inner arc movable block structures of the arc inner turn mechanism applied to the large-size flexible screen of the present invention.
Fig. 13 is a second diagram of the inner arc movable block structure of the arc inner turn mechanism applied to the large-size flexible screen of the present invention.
Fig. 14 is a diagram showing the construction of an end-face arc movable block of an arc internal turning mechanism applied to a large-size flexible screen of the present invention.
Fig. 15 is a rack bar construction diagram of a circular arc inward folding rotary mechanism applied to a large-sized flexible screen of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings of the specification:
Example 1:
As shown in fig. 1-15, the circular arc inward folding rotating mechanism applied to the large-size flexible screen disclosed in this embodiment comprises a structural main body 1, the structural main body 1 comprises a rotating shaft cover 2 and a plurality of groups of rotating shafts 3 which are arranged on the rotating shaft cover 2 and are combined and connected with the rotating shaft cover 2, the rotating shafts 3 comprise a synchronizing mechanism 5 and a rotating mechanism 4 which are combined and connected, the rotating mechanism 4 consists of a plurality of groups of circular arc movable blocks 6, a plurality of groups of circular arcs 7 are arranged on the circular arc movable blocks 6 to realize 0-180 DEG rotation, the circular arc movable blocks 6 comprise a middle circular arc movable block 8, two groups of outer circular arc movable blocks 9 which are symmetrically distributed are arranged outside the middle circular arc movable block 8, two groups of inner circular arc movable blocks 10 which are symmetrically distributed are arranged inside the middle circular arc movable block 8, the inner circular arc movable blocks 10 are connected and are provided with end circular arc movable blocks 11, the inner circular arc movable blocks 10 are provided with sliding blocks 101, the end surface circular arc movable blocks 11 are provided with sliding grooves 111, and the sliding grooves 111 and the sliding blocks 101 realize screen compensation and buffering functions; the synchronizing mechanism 5 is one of a rack and pinion synchronizing mechanism 51 or a gear synchronizing mechanism 52.
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, a positioning pin 18 for realizing 0 degree and 180 degree locking and self-locking is disposed between the end surface arc movable block 11 and the inner arc movable block 10, and a spring 17 for generating elastic force and torsion is disposed on the positioning pin 18.
The arc 7 comprises a groove arc 71 and a convex arc 72, the groove arc 71 and the convex arc 72 form an arc pipe position, the middle arc movable block 8 and the outer arc movable block 9 are connected through an arc pipe position, and the middle arc movable block 8, the inner arc movable block 10 and the end face arc movable block 11 are respectively connected through an arc pipe position.
The gear-rack synchronizing mechanism 51 comprises two groups of linear guide rail movable blocks 12, a gear 13, a rack 14 and a connecting rod movable block 15 which are connected in a combined mode are arranged between the linear guide rail movable blocks 12, the gear 13 is meshed and connected with the rack 14 to realize 0-180-degree synchronous rotation, the rack 14 is provided with a rack slide block 141 and a rack connecting column 142, the linear guide rail movable blocks 12 are provided with linear chute tracks 121, the rack slide block 141 slides in the linear chute tracks 121 in parallel, the connecting rod movable blocks 15 are symmetrically distributed in a bilateral mode, the connecting rod movable blocks 15 are provided with first connecting holes 151 and connecting columns 152, the end face arc movable blocks 11 are provided with second connecting holes 112, the connecting columns 152 are connected with the second connecting holes 112 in a rotating mode, and the first connecting holes 151 are connected with the rack connecting columns 142 in a rotating mode to realize 0-180-degree synchronous rotation.
The gear synchronization mechanism 52 comprises a connecting and positioning movable block 16 and a plurality of groups of gears 13, one side of the inner circular arc movable block 10 is provided with a half tooth 102, the gears 13 are meshed with the half tooth 102 to realize 0-180-degree synchronous rotation, the connecting and positioning movable block 16 is provided with a plurality of groups of gear connecting columns 161, and the gears 13 are arranged on the gear connecting columns 161.
The structural body 1 further comprises an outer package 22 and a plurality of groups of screws 23 for realizing package fixation.
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 whole structure realizes rotation by using the arc assembly, realizes 0-180 degrees of rotation connection by arc tube position connection combination, simplifies design elements, realizes synchronous rotation by matching design of racks, gears and sliding block structures, satisfies screen compensation and buffering, has simple and flexible design, is convenient to process and manufacture, satisfies precision requirements, and is particularly suitable for the design requirements of large-size flexible screen products.
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.