Manual-automatic integrated flexible screen drawing mechanism based on gear and rack applicationTechnical Field
The invention relates to the technical field of flexible screen application, in particular to a manual-automatic flexible screen drawing mechanism based on gear and rack application.
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 an automatic and manual flexible screen drawing mechanism based on gear and rack application.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
 The manual-automatic flexible screen drawing mechanism based on the gear and rack application 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 fixed seat and the movable seat are respectively provided with a sliding groove and a sliding block for realizing sliding connection, two sides of the short side of the movable seat are provided with a transmission mechanism for realizing displacement, the transmission mechanism comprises a first rack, a second rack, a rotating shaft, and a first gear set and a second gear set which are arranged at two ends of the rotating shaft for realizing synchronization, the first gear set comprises a first gear, a first bevel gear and a second bevel gear, and the second gear set comprises a second gear, a third bevel gear and a fourth bevel gear; the first bevel gear is meshed with the second bevel gear, the second bevel gear is used for synchronizing the first gear, the first gear is meshed with the first rack, the third bevel gear is meshed with the fourth bevel gear, the fourth bevel gear is used for synchronizing the second gear, and the second gear is meshed with the second rack.
Particularly, a motor in driving connection is arranged at one end, close to the first bevel gear, of the rotating shaft, the motor drives the rotating shaft to rotate positively and negatively and synchronously to drive the first bevel gear and the third bevel gear, the first bevel gear is in meshing synchronization with the second bevel gear, the third bevel gear is in meshing synchronization with the fourth bevel gear, the second bevel gear synchronously drives the first gear, the first gear is in meshing synchronization with the first rack, the fourth bevel gear synchronously drives the second gear, the second gear is in meshing synchronization with the second rack, and the first rack and the second rack relatively move to drive the separation and recovery of the fixed seat and the movable seat, namely, the sliding groove and the sliding block slide in a drawing mode.
Particularly, the first gear synchronizes the second bevel gear and the first rack, the second bevel gear is meshed with the first bevel gear, the second gear synchronizes the fourth bevel gear and the second rack, the fourth bevel gear is meshed with the third bevel gear, and the rotating shaft rotates to drive the separation and recovery of the movable seat and the fixed seat, namely, the sliding groove and the sliding block slide in a drawing mode.
Particularly, a supporting sleeve for assisting in realizing screen stretching is arranged on one side of the outer side of the movable seat, the supporting sleeve is in supporting connection with two sides of the movable seat, a plurality of groups of grooves distributed in a surrounding mode are formed in the supporting sleeve, chain gaskets are arranged on the grooves in a covering mode, a plurality of groups of chain teeth are arranged on the chain gaskets, the chain teeth are in matched connection with the grooves to realize auxiliary synchronization of the screen unfolding or closing process, separation of the screen and a mechanism is prevented, a connecting shaft in penetrating connection is arranged in the supporting sleeve, and two ends of the connecting shaft are fixedly connected with the movable seat.
Particularly, be equipped with camera module, control button, play sound mouth and interface that charges on the fixing base, the camera module includes leading camera and rear-mounted camera.
In particular, the movable seat comprises a positioning plate and a cover plate, the positioning plate is arranged on one side, far away from the long side of the fixed seat, of the movable seat, and tension springs for realizing a supporting screen are arranged at two ends of the positioning plate.
In particular, the first rack is arranged on the floor of the fixed seat, and the second rack is arranged on one side of the inner edge of the movable seat.
In particular, the structure main body comprises a shell and an auxiliary connecting plate arranged below the shell, 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 first gear and the second gear are respectively provided with a clamp spring for realizing connection, positioning and fixing.
The invention has the beneficial effects that: according to the manual-automatic flexible screen drawing mechanism based on the gear rack application, the motor drives the rotating shaft synchronous gear set to generate relative motion, so that the fixed seat and the movable seat are driven to be unfolded and recovered, the flexible screen is synchronously driven to be unfolded and retracted, automatic control can be realized through key control, and the flexible screen can also be manually opened and retracted, so that the operation is simplified, the operation is more convenient, the structure is simple in design, the application requirements of the flexible screen are met, parts and components of the mechanism are relatively less than those of the inward-folding and outward-folding opening modes, the mechanism is convenient to realize, the precision is met, and the mechanism is convenient to use and attractive in appearance.
Drawings
Fig. 1 is a contracted view of an automated manual flexible screen pulling mechanism based on rack and pinion application of the present invention.
Fig. 2 is an expanded view of an automated manual flexible screen drawer mechanism based on rack and pinion application of the present invention.
Fig. 3 is an exploded view of the automated manual flexible screen drawer mechanism of the present invention based on a rack and pinion application.
Fig. 4 is a partially exploded view of the automated manual flexible screen drawer mechanism of the present invention based on a rack and pinion application.
Fig. 5 is a rear-side overall structure diagram of the manual-automatic flexible screen drawing mechanism based on rack and pinion application of the invention.
Fig. 6 is a block diagram of the transmission mechanism of the manual-automatic flexible screen drawing mechanism based on the application of the gear and the rack.
Fig. 7 is a further block diagram of the transmission mechanism of the automated manual flexible screen drawer mechanism of the present invention based on rack and pinion applications.
FIG. 8 is a block diagram of a first gear set of the automated manual flexible screen drawer mechanism of the present invention based on rack and pinion applications.
Fig. 9 is a schematic diagram of a second gear set structure of the manual-automatic flexible screen drawing mechanism based on rack and pinion application 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 to 9, the manual-automatic integrated flexible screen drawing mechanism based on rack and pinion application disclosed in the embodiment comprises a drawing type structural main body 1, wherein the structural main body 1 consists of a fixed seat 2 and a movable seat 3 which is drawn and slid with the fixed seat 2; the fixed seat 2 and the movable seat 3 are respectively provided with a sliding chute 4 and a sliding block 5 which are in sliding connection, two sides of the short side of the movable seat 3 are provided with a transmission mechanism 6 for realizing displacement, the transmission mechanism 6 comprises a first rack 7, a second rack 8, a rotating shaft 9, a first gear set 10 and a second gear set 11 which are arranged at two ends of the rotating shaft 9 and realize synchronization, the first gear set 10 comprises a first gear 12, a first bevel gear 13 and a second bevel gear 14, and the second gear 11 comprises a second gear 15, a third bevel gear 16 and a fourth bevel gear 17; the first bevel gear 13 meshes with the second bevel gear 14, the second bevel gear 14 synchronizes the first gear 12, the first gear 12 meshes with the first rack 7, the third bevel gear 16 meshes with the fourth bevel gear 17, the fourth bevel gear 17 synchronizes the second gear 15, and the second gear 15 meshes with the second rack 8.
The rotary shaft 9 is near a first bevel gear 13 one end is connected and is provided with a motor 18 in driving connection, the motor 18 positively and reversely drives the rotary shaft 9 to rotate and synchronously drives the first bevel gear 13 and a third bevel gear 16, the first bevel gear 13 is synchronous with the second bevel gear 14 in a meshed manner, the third bevel gear 16 is synchronous with a fourth bevel gear 17 in a meshed manner, the second bevel gear 14 synchronously drives the first gear 12, the first gear 12 is synchronous with the first rack 7 in a meshed manner, the fourth bevel gear 17 synchronously drives the second gear 15, the second gear 15 is synchronous with the second rack 8 in a meshed manner, and the first rack 7 and the second rack 8 move relatively to drive the fixed seat 2 and the movable seat 3 to be separated and recovered, namely, the sliding chute 4 and the sliding block 5 slide in a pulling manner.
Or the first gear 12 synchronizes the second bevel gear 14 and the first rack 7, the second bevel gear 14 engages with the first bevel gear 13, the second gear 15 synchronizes the fourth bevel gear 17 and the second rack 8, the fourth bevel gear 17 engages with the third bevel gear 16, and the rotation of the rotation shaft 9 drives the separation and recovery of the movable seat 3 and the fixed seat 2 to realize manual operation, namely, the sliding groove 4 and the sliding block 5 slide in a pulling manner.
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 supporting sleeve 19 for assisting in realizing screen stretching is arranged at one side of the outer side of the movable seat 3, the supporting sleeve 19 is in supporting connection with two sides of the movable seat 3, a plurality of groups of grooves 20 distributed in a surrounding manner are arranged on the supporting sleeve 19, a chain type gasket 21 is arranged on the grooves 20 in a covering manner, a plurality of groups of chain teeth 22 are arranged on the chain type gasket 21, and the chain teeth 22 are in matching connection with the grooves 20 to realize auxiliary synchronization in the screen unfolding or closing process, so that the screen is prevented from being separated from the mechanism. The support sleeve 19 is internally provided with a connecting shaft 33 which is connected in a penetrating way, and two ends of the connecting shaft 33 are fixedly connected with the movable seat 3. The fixed seat 2 is provided with a camera module 60, a control key 23, a sound outlet 24 and a charging interface 25, and the camera module 60 comprises a front camera 26 and a rear camera 27. The movable seat 3 comprises a positioning plate 28 and a cover plate 34, the positioning plate 28 is arranged on one side of the movable seat 3 away from the long side of the fixed seat 2, and tension springs 29 for realizing a supporting screen are arranged at two ends of the positioning plate 28. The first rack 7 is arranged on the floor of the fixed seat 2, and the second rack 8 is arranged on one side of the inner edge of the movable seat 3. The structure body 1 comprises a housing 30 and an auxiliary connecting plate 31 arranged below the housing 30, the chute 4 is arranged on the inner side of the short side of the fixed seat 2, and the sliding block 5 is arranged on the outer side of the short side of the movable seat 3. The first gear 12 and the second gear 15 are respectively provided with a clamping spring 32 for realizing connection, positioning and fixing.
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 manual-automatic flexible screen pulling mechanism based on rack and pinion is used, the motor drives the rotation shaft synchronous gear set to generate relative motion, so that the fixed seat and the movable seat are driven to be unfolded and recovered, the flexible screen is synchronously driven to be unfolded and contracted, automatic control can be realized through key control, the operation is simplified, the operation is more convenient to use, the structure is simple in design, the application requirements of the flexible screen are 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 precision is met, the operation is convenient, and the appearance is attractive.
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.