Forward and reverse positioning flexible screen drawing mechanismTechnical Field
The invention relates to the technical field of flexible screen application, in particular to a forward and reverse positioning flexible screen drawing mechanism.
Background
A flexible screen, referred to as a flexible OLED. The successful mass production of the flexible screen is not only greatly beneficial to the manufacture of new generation high-end smart phones, but also has profound effects on the application of wearable equipment due to the low power consumption and the flexible characteristic of the flexible screen, and the flexible screen is widely applied along with the continuous penetration of personal intelligent terminals in the future. A flexible screen phone is a phone that uses a flexible, flexible screen, because it is shaped like a scroll, also known as a scroll-type phone. Compared with the traditional screen, the flexible screen has obvious advantages, is lighter in size and lighter in power consumption, is lower than the original device, is favorable for improving the endurance of equipment, and is also higher than the traditional screen greatly in durability based on the characteristics of being bendable and good in flexibility, so that the probability of accidental damage of the equipment is reduced.
In order to realize the folding function of the flexible screen, besides the screen, the design of a connecting shaft for realizing a folding connecting assembly, namely a bending part, is also the biggest technical problem. Besides the outward folding and inward folding, the opening mode of the flexible screen has various modes, wherein the drawing type unfolding mode is one of the modes, and a brand new movement mechanism is needed to realize the manual and automatic drawing type unfolding.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a forward and reverse positioning flexible screen drawing mechanism.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The flexible screen drawing mechanism comprises a drawing type structural main body, wherein the structural main body consists of a fixed seat and a movable seat which is drawn and slid with the fixed seat; the movable seat is longitudinally provided with a first positioning plate, a second positioning plate and a transmission shaft, the movable seat is transversely provided with a guide rail shaft, a chain wheel and a transmission belt, and the transmission belt comprises a belt and a belt plate which are connected in a combined manner;
One end of the belt is fixed with the first positioning plate, the other end of the belt is combined with the chain wheel to realize synchronization, a connecting column is arranged on the first positioning plate, the belt is provided with a connecting hole, and the connecting column is connected with the connecting hole to realize separation and recovery of the fixed seat and the movable seat;
The belt plate is synchronously connected with the transmission shaft, one end of the belt plate is fixedly connected with the first positioning plate and the second positioning plate, and the belt plate and the belt form a closed loop to realize the separation and recovery of the fixed seat and the movable seat;
The movable seat is provided with a half gear stop block and a positioning block matched with the half gear stop block, the half gear stop block is provided with a half gear and a positioning arc surface, the positioning block is provided with a positioning inclined surface, a spring for realizing elasticity is arranged between the positioning block and the movable seat, and the positioning arc surface is combined with the positioning inclined surface to realize the positioning effect after the separation and recovery of the fixed seat and the movable seat, namely:
The half gear stop block and the positioning block matched with the half gear stop block realize the pull-back under the action of a spring when the fixed seat and the movable seat are about to be closed in place; on the contrary, when the fixed seat and the movable seat are about to be opened in place, the half gear stop block and the positioning block matched with the half gear stop block are ejected under the action of the spring.
Particularly, the fixed seat and the movable seat are respectively provided with a sliding groove and a sliding block for realizing sliding connection, the movable seat comprises a motor installation position, the motor installation position is provided with a motor which rotates positively and negatively, the motor drives the chain wheel to rotate, the chain wheel synchronously drives the driving belt to rotate, and the driving belt drives the second positioning plate to move relative to the fixed seat, namely, the movable seat and the fixed seat realize separation and recovery through the sliding of the sliding block and the sliding groove.
In particular, the motor installation position is arranged on one side of the long edge of the end part of the movable seat, which is close to the transmission shaft.
In particular, the connection part of the guide rail shaft and the movable seat is provided with a tension spring for realizing elasticity, the sliding groove is arranged on the inner side of the short side of the fixed seat, and the sliding block is arranged on the outer side of the short side of the movable seat.
Particularly, the fixing seat is composed of a plurality of sets of shells, the shells comprise a first shell, a second shell, a third shell and a fourth shell which are connected in a combined mode, the first shell is connected with the second shell in a combined mode, and the third shell is connected with the fourth shell in a combined mode.
Particularly, a plurality of groups of uniformly distributed latch teeth are arranged on the belt plate, uniformly distributed latch tooth grooves are formed in the transmission shaft, and the latch teeth are meshed with the latch tooth grooves to realize connection positioning and synchronous movement.
The invention has the beneficial effects that: according to the forward and reverse positioning flexible screen drawing mechanism, the motor drives the transmission belt and the chain wheel to synchronously move relatively, so that the fixed seat and the movable seat are driven to be unfolded and recovered, the synchronous flexible screen is driven to be unfolded and contracted, the half gear stop block and the positioning block matched with the half gear stop block are arranged, the half gear stop block is provided with the half gear and the positioning arc surface, the positioning block is provided with the positioning inclined surface, the spring for realizing elasticity is arranged between the positioning block and the movable seat, the positioning arc surface is combined with the positioning inclined surface to realize the positioning function after the fixed seat and the movable seat are separated and recovered, the structure is simple in design, the application requirement of the flexible screen is met, the mechanism is different from an inward folding and outward folding opening mode, parts and components are relatively fewer, the mechanism is convenient to realize, the mechanism is convenient to use and attractive in appearance while the precision is met.
Drawings
FIG. 1 is a reverse side contracted view of a flexible screen drawing mechanism positioned in forward and reverse directions according to the present invention.
Fig. 2 is a front shrink view of the flexible screen drawer mechanism of the present invention positioned in the forward and reverse directions.
FIG. 3 is a reverse side expanded view of the flexible screen pulling mechanism of the present invention positioned in the forward and reverse directions.
Fig. 4 is a front expanded view of the flexible screen drawer mechanism of the present invention positioned in the forward and reverse directions.
Fig. 5 is one of the overall exploded views of the flexible screen drawer mechanism of the present invention positioned in the forward and reverse directions.
Fig. 6 is a second exploded view of the flexible screen drawer mechanism of the present invention positioned in a forward and reverse direction.
FIG. 7 is a third exploded view of the flexible screen drawer mechanism of the present invention positioned in a forward and reverse orientation.
Fig. 8 is a block diagram of a half gear block and a positioning block combination of a forward and reverse positioning flexible screen drawing mechanism.
Fig. 9 is a diagram of one of the belt structures of the flexible screen drawer mechanism of the present invention positioned in the forward and reverse directions.
FIG. 10 is a diagram of a second belt structure of the forward and reverse positioning flexible screen drawer mechanism of the present invention.
FIG. 11 is a block diagram of a first positioning plate of the forward and reverse positioning flexible screen drawer mechanism of the present invention.
Fig. 12 is a schematic diagram of the belt structure of the flexible screen drawer mechanism of the present invention positioned in the forward and reverse directions.
Fig. 13 is a schematic view of a half gear block of the flexible screen pulling mechanism positioned in the forward and reverse directions according to the present invention.
Fig. 14 is a schematic structural view of a positioning block of the flexible screen drawing mechanism positioned forward and backward in the present invention.
Fig. 15 is a schematic view of the flexible screen drawer mechanism of the present invention in an open position with forward and reverse orientation.
FIG. 16 is a flexible forward and reverse positioning of the present invention the closing state of the screen drawing mechanism is schematically shown.
Detailed Description
The invention is further described below with reference to the accompanying drawings of the specification:
Example 1:
As shown in fig. 1 to 16, the flexible screen drawing mechanism with forward and reverse positioning disclosed in this embodiment includes a drawing type structural body 1, where the structural body 1 is composed of a fixed seat 2 and a movable seat 3 sliding with the fixed seat in a drawing manner; the movable seat 3 is longitudinally provided with a first positioning plate 4, a second positioning plate 5 and a transmission shaft 6, the movable seat 3 is transversely provided with a guide rail shaft 7, a chain wheel 8 and a transmission belt 9, and the transmission belt 9 comprises a belt 91 and a belt plate 92 which are connected in a combined manner;
One end of the belt 91 is fixed with the first positioning plate 4, the other end of the belt is combined with the sprocket 8 to realize synchronization, the first positioning plate 4 is provided with a connecting column 41, the belt 91 is provided with a connecting hole 901, and the connecting column 41 is connected with the connecting hole 901 to realize the separation and recovery of the fixed seat 2 and the movable seat 3;
The belt plate 92 is synchronously connected with the transmission shaft 6, one end of the belt plate 92 is fixedly connected with the first positioning plate 4 and the second positioning plate 5, and the belt plate 92 and the belt 91 form a closed loop to realize the separation and recovery of the fixed seat 2 and the movable seat 3.
The movable seat 3 is provided with a half gear stop block 10 and a positioning block 11 matched with the half gear stop block 10, the half gear stop block 10 is provided with a half gear 101 and a positioning arc surface 102, the positioning block 11 is provided with a positioning inclined surface 111, a spring 12 for realizing elasticity is arranged between the positioning block 11 and the movable seat 3, and the positioning arc surface 102 is combined with the positioning inclined surface 111 to realize the positioning function after the separation and recovery of the fixed seat 2 and the movable seat 3; namely:
The half gear stop block 10 and the positioning block 11 matched with the half gear stop block realize the pull-back under the action of the spring 12 when the fixed seat 2 and the movable seat 3 are about to be closed in place; on the contrary, when the fixed seat 2 and the movable seat 3 are about to be opened in place, the half gear stop block 10 and the positioning block 11 matched with the half gear stop block are ejected under the action of the spring 12.
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 connection point of the fixed seat 2 and the movable seat 3 is respectively provided with the sliding groove 13 and the sliding block 14 for realizing sliding connection, the movable seat 3 includes the motor installation position 15, the motor installation position 15 is provided with a motor 16 rotating positively and negatively, the motor 16 drives the sprocket 8 to rotate, the sprocket 8 synchronously drives the driving belt 9 to rotate, the driving belt 9 drives the second positioning plate 5 to move relative to the fixed seat 2, that is, the movable seat 3 and the fixed seat 2 realize separation and recovery through the sliding of the sliding block 14 and the sliding groove 13. The motor installation position 15 is arranged on one side of the long side of the end part of the movable seat 3, which is close to the transmission shaft 6. The connection part of the guide rail shaft 7 and the movable seat 3 is provided with a tension spring 17 for realizing elasticity, the chute 13 is arranged on the inner side of the short side of the fixed seat 2, and the slide block 14 is arranged on the outer side of the short side of the movable seat 3. The fixing seat 2 is composed of a plurality of sets of casing 18, the casing 18 includes a first casing 180, a second casing 181, a third casing 183 and a fourth casing 184 which are connected in a combined manner, the first casing 180 is connected with the second casing 181 in a combined manner, and the third casing 183 is connected with the fourth casing 184 in a combined manner. The belt plate 92 is provided with a plurality of groups of uniformly distributed latch 921, the transmission shaft 6 is provided with uniformly distributed latch grooves 61, and the latch 921 is meshed with the latch grooves 61 to realize connection positioning and synchronous movement.
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 flexible screen pulling mechanism of forward and backward location that this embodiment provided drives the drive belt through the motor and the sprocket is synchronous and produce relative motion to drive the expansion and the recovery of fixing base and movable seat, synchronous drive flexible screen expand and shrink, set up half gear dog and with it complex locating piece, half gear dog is equipped with half gear and location arc surface, the locating piece is equipped with the location inclined plane, and is equipped with the spring that realizes elasticity between locating piece and the movable seat, the location arc surface with the location inclined plane combines the location action after realizing the separation and the recovery of fixing base and movable seat, and structure itself design is simple, satisfies flexible screen application demand, is different from the infolding and infolding opening mode, and mechanism itself spare and accessory is relatively less, is convenient for realize.
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.