CN116887553B - Foldable display - Google Patents

Abstract

The invention discloses a foldable display, in particular to the technical field of foldable electronic equipment, which comprises two groups of flexible parts, two groups of flexible parts and a flexible screen, wherein the two groups of flexible parts are respectively connected to two ends of the rigid parts; the flexible connection structure includes a plurality of connecting blocks, and the top both sides of connecting block all are provided with the parallel face, and the bottom both sides of connecting block are provided with the inclined plane. The flexible part can have a stable form no matter the flexible part is in a straight state or an arc state, and cannot generate uncontrollable deformation, especially when parallel surfaces of the connecting blocks are contacted with each other, the flexible part can ensure the stable straight state, cannot generate uncontrollable bending phenomenon, and the using hand feeling of the display is improved.

Description

Foldable display

Technical Field

The present invention relates to the field of foldable electronic devices, and more particularly, to a foldable display.

Background

A display is a device that converts electronic data into images for display and, as the functionality of the display increases, portable electronic display devices such as mobile phones, media players, and tablet computers are becoming more common. With the development of flexible screens, the variety of foldable displays is increasing.

For example, there is a foldable flexible display in the prior art, which is composed of a central portion and left and right side portions, wherein the left and right side portions can be turned down or up along the central portion from a plane, and in a normal state, the left and right side portions are turned down, the whole of the device is in a triangle state so as to be worn on a wrist, and in order to automatically turn and drive the left and right side portions, wires can be provided inside the central portion to be connected with edges of the left and right side portions, and the left and right side portions are pulled to rotate along the sides of the central portion by winding the wires with a micro motor so as to change the whole of the display from a triangle shape to a plane shape, so that the display is used as a mobile phone.

In order to improve the wearing comfort of the device, the left side part and the right side part can be supported by adopting an arc-shaped flexible plate as a main body, the left side part and the right side part are bent in a downward overturning manner in a normal state, the left side part and the right side part are arc-shaped, the wrist can be better attached, and when the device is required to be converted into a plane state, an electric wire is required to be wound up and connected to the edge of the flexible plate so as to pull the left side part and the right side part to be overturned upwards.

However, since the flexible board is of an elastic structure, the flexible board is kept in a bending state when not stressed, when the flexible board is straightened, the electric wires are pulled inwards from two sides, stress points of the flexible board are located at edges of the flexible board away from the central part, the electric wires are in a bending state at the moment, the tensile direction of the flexible board is not unique, and the deformation direction of the flexible board is also not unique when being stretched, so that the problem of uncontrollable deformation of the flexible display can occur in the process of stretching to a plane, the flexible display and the flexible board cannot be changed into a stable plane structure, and the using hand feeling of equipment is affected.

Disclosure of Invention

The invention provides a foldable display, which aims to solve the problems that: the flexible board of the deformation part on the existing foldable display is not unique in deformation direction when stretching to the plane state, so that the flexible display can be uncontrollably deformed in the process of stretching to the plane.

In order to achieve the above purpose, the present invention provides the following technical solutions: the foldable display comprises two groups of flexible parts, wherein the two groups of flexible parts are respectively connected to two ends of the rigid part, the flexible screen is arranged on the surfaces of the rigid part and the flexible part, the rigid part comprises a rigid casing, the flexible part comprises an end casing, and the end casing is connected with the rigid casing through a flexible connection structure; the flexible connection structure comprises a plurality of connection blocks, parallel surfaces are arranged on two sides of the top of each connection block, inclined surfaces are arranged on two sides of the bottom of each connection block, two adjacent connection blocks are connected through a hinge, the hinge is located at the junction of the parallel surfaces and the inclined surfaces on the connection blocks, and the connection blocks located at two ends are respectively connected with the rigid shell and the end shell in a rotating mode; the foldable display further comprises a transformation driving assembly for driving the flexible connection structure to switch between a straightened state and a curved state; when the conversion driving assembly drives the parallel surfaces between two adjacent connecting blocks to be bonded, the flexible connecting structure is in a straight state, and the flexible part is in a straight state; when the transformation driving assembly drives the inclined planes between the two adjacent connecting blocks to be jointed, the flexible connecting structure is in a bending state, and the flexible part is in an arc state.

In a preferred embodiment, the conversion driving assembly is an inflatable driving assembly, the inflatable driving assembly comprises a first inflatable air bag and a second inflatable air bag, the first inflatable air bag is arranged between parallel surfaces of two adjacent end shells, the second inflatable air bag is arranged between inclined surfaces of two adjacent end shells, and the first inflatable air bag and the second inflatable air bag are connected with an inflation and deflation loop which is used for controlling inflation or deflation of the first inflatable air bag and the second inflatable air bag.

In a preferred embodiment, the conversion drive assembly includes first stay wire and second stay wire, the first wire casing that transversely runs through is seted up at the top of connecting block, the bottom of connecting block is provided with the second wire casing that transversely runs through, connect in the tip casing after each first wire casing is passed in proper order to the one end of first stay wire, connect in the tip casing after each second wire casing is passed in proper order to the one end of second stay wire, the other end of first stay wire and second stay wire all extends to in the rigidity casing, be provided with elasticity drive structure in the rigidity casing, elasticity drive structure is used for driving first stay wire and the taut or loosen of second stay wire respectively.

In a preferred embodiment, the elastic driving structure is also a cam, the cam is provided with a large-diameter portion and a small-diameter portion, the cam is rotatably mounted in the rigid casing, the ends of the two corresponding first wires in the two groups of flexible portions are fixedly connected to form a stay wire, the ends of the two corresponding second wires in the two groups of flexible portions are fixedly connected to form a stay wire, and the stay wires formed by the two first wires and the stay wires formed by the two second wires are in sliding fit with the circumferential side surfaces of the cam.

In a preferred embodiment, the first wire-drawing corresponds the position department of each first wire casing and all fixedly connected with round pin post, the aperture of first wire casing is greater than the diameter of first wire-drawing, the aperture of first wire casing is the same with the diameter of round pin post, round pin post sliding fit is in the inside of first wire casing, the one end fixedly connected with end cap of first wire-drawing near the tip casing is provided with the mounting groove in the tip casing, the end cap sliding arrangement is in the mounting groove, and the first wire-drawing runs through the lateral wall part of mounting groove in the tip casing to with tip casing sliding fit, be provided with first elastic component between end cap and the tip casing, first elastic component is used for providing the elasticity of keeping away from the rigidity casing direction to the end cap.

In a preferred embodiment, the pin is provided with a spiral line portion at one end far away from the end casing, a spiral line is arranged on the spiral line portion, a spiral line groove corresponding to the spiral line on the spiral line portion is arranged at one end, close to the end casing, of the first line groove, a plurality of groups of positioning grooves are arranged on the end cap, a positioning block is fixedly connected inside a mounting groove corresponding to the first pull line in the end casing, and the positioning block is located at one side, close to the connecting block, of the mounting groove.

In a preferred embodiment, an inner wall of one end of the first wire groove far away from the end casing is fixedly connected with an elastic lock catch, one end of the elastic lock catch extending out of the first wire groove is fixedly connected with a buckling part, and a buckling groove is formed in the inner wall of the connecting block, corresponding to the inner wall, close to one side of the end casing, of the first wire groove.

In a preferred embodiment, a flexible housing part is further arranged between the rigid housing and the end housing, the flexible frame is fixedly connected to the top of the rigid part and the flexible part, the edge of the flexible screen is buried in the flexible frame, the flexible frame is fixedly connected to the top of the rigid housing, the flexible frame is fixedly connected to the top of the end housing and the top of the flexible housing part, and the flexible substrate is arranged at the bottom of the flexible screen.

In a preferred embodiment, the middle part of the flexible substrate is fixedly connected with the top of the rigid casing, the bottom of the end, close to the end casing, of the flexible substrate is fixedly connected with a traction block, the traction block is slidably mounted in the end casing, a second elastic piece is mounted between the traction block and the end casing, and the second elastic piece is used for providing an elastic force for the traction block in a direction away from the rigid casing.

In a preferred embodiment, the top of the connecting block is provided with sliding clamping grooves, and the positions of the flexible substrate corresponding to the sliding clamping grooves are fixedly connected with sliding blocks which are in sliding fit with the sliding clamping grooves.

The invention has the beneficial effects that:

1. according to the invention, the connecting structure with a changeable form is formed by arranging the connecting blocks to be connected with each other, no matter the flexible part is in a straight state or an arc state, the flexible part can have a stable form, uncontrollable deformation is not generated, and particularly when parallel surfaces of the connecting blocks are contacted with each other, the flexible part can ensure the stable straight state and uncontrollable bending phenomenon is not generated, so that the using hand feeling of the display is greatly improved.

2. According to the invention, the first pull wire and the second pull wire are tensioned or relaxed to enable the flexible part to be converted between the straight state and the arc state, and the adjacent two connecting blocks can keep the attached state no matter the flexible part is in the straight state or the arc state, so that the flexible part is ensured to keep the converted state, and the display is not easy to deform beyond the deformation caused by the action of external force.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic view of the flexible portion of the present invention in a bent state.

FIG. 3 is a schematic view of the flexible portion of the present invention in a straightened state.

Fig. 4 is a top view of the internal structure of the present invention.

Fig. 5 is a schematic diagram of the overall structure of the connecting block of the present invention.

FIG. 6 is a schematic view of the present invention in a straightened state using an inflatable drive assembly to drive a flexible connection structure.

FIG. 7 is a schematic view of the present invention employing an inflatable drive assembly to drive a flexible connection structure to bend.

FIG. 8 is a schematic view of the flexible connection structure driven by the tightening type driving assembly.

FIG. 9 is a schematic view of the flexible connection structure driven by the tightening drive assembly.

FIG. 10 is a schematic view of a tension driving structure of a pull wire in a tightening driving assembly according to the present invention.

FIG. 11 is a schematic view of a partial structure of the invention with the flexible portion straightened after the pin is added.

Fig. 12 is a schematic view of the structure of the pin of the present invention entering the first wire slot of the other connection block.

Fig. 13 is a diagram showing a state of locking the connecting block by using the spiral pin.

Fig. 14 is an enlarged view of the structure of the portion a in fig. 13 according to the present invention.

Fig. 15 is a schematic structural view of a connecting block employing an elastic latch according to the present invention.

Fig. 16 is a locking state diagram of the elastic lock catch connecting block of the invention.

The reference numerals are: 100. a rigid portion; 11. a rigid chassis; 200. a flexible portion; 21. an end housing; 211. a positioning block; 22. a flexible connection structure; 23. a connecting block; 231. parallel surfaces; 232. an inclined surface; 233. a first wire chase; 234. a second wire slot; 235. a sliding clamping groove; 236. spiral grooves; 237. a buckling groove; 24. a flexible housing portion; 25. an elastic lock catch; 251. a fastening part; 300. a flexible screen; 31. a flexible substrate; 32. a flexible border; 33. a slide block; 34. a traction block; 35. a second elastic member; 4. an inflatable drive assembly; 41. a first inflatable balloon; 42. a second inflatable balloon; 5. a cinching type drive assembly; 51. a first pull wire; 511. an end cap; 512. a first elastic member; 513. a positioning groove; 52. a second pull wire; 53. a cam; 531. a large diameter portion; 532. a small diameter portion; 54. a pin; 541. spiral lines.

Detailed Description

The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.

Referring to fig. 1 to 15 of the drawings, a foldable display includes a rigid part 100, a flexible part 200, and a flexible screen 300, wherein the flexible part 200 is provided in two groups, the two groups of flexible parts 200 are respectively connected to two ends of the rigid part 100, the flexible screen 300 is installed on the surfaces of the rigid part 100 and the flexible part 200, the rigid part 100 includes a rigid housing 11, the flexible part 200 includes an end housing 21, and the end housing 21 is connected with the rigid housing 11 through a flexible connection structure 22; the flexible connection structure 22 is formed by mutually and rotatably connecting a plurality of connection blocks 23, the connection blocks 23 positioned at two ends are respectively rotatably connected with the rigid shell 11 and the end shell 21, parallel surfaces 231 are arranged on two sides of the top of the connection blocks 23, inclined surfaces 232 are arranged on two sides of the bottom of the connection blocks 23, two adjacent connection blocks 23 are connected through a hinge, and the hinge is positioned at the junction of the parallel surfaces 231 and the inclined surfaces 232 on the connection blocks 23; the foldable display further includes a transition drive assembly for driving the flexible connection structure 22 between the straightened state and the curved state; when the conversion driving assembly drives the parallel surfaces 231 between the two adjacent connecting blocks 23 to be tightly attached, the flexible connecting structure 22 is in a straight state, the two groups of flexible parts 200 are in a straight state as a whole, and the flexible parts 200 and the rigid parts 100 can be used as a flat panel display and used as a product similar to a mobile phone; when the conversion driving assembly drives the inclined surfaces 232 between the two adjacent connecting blocks 23 to be tightly attached, the flexible connecting structure 22 is in a bending state, the two groups of flexible parts 200 are in a bending arc state as a whole, and the flexible parts 200 and the rigid parts 100 can be used as a wearing structure similar to a watch and worn on the wrist or mounted on other columnar structures.

It should be noted that, by providing a connection structure in which a plurality of connection blocks 23 are connected to each other to form a changeable form, by means of adhesion between the parallel surfaces 231 and 231 or adhesion between the inclined surfaces 232 and 232, the flexible portion 200 can have a stable form, no matter in a straight state or an arc state, and no uncontrollable deformation is generated, especially when the parallel surfaces 231 of the connection blocks 23 are contacted with each other, the flexible portion 200 can ensure a stable straight state, no uncontrollable bending phenomenon is generated, so that the use feel of the display is greatly improved.

In this embodiment, the hinge between the connection blocks 23 can be provided with damping, and the flexible portion 200 is transformed by manually stirring, and the deformation process of the flexible portion 200 is uniformly stressed and changed under the support of the connection blocks 23, and the transformed form can be kept stable.

Further, the above-mentioned conversion driving assembly may be an inflatable driving assembly 4, the inflatable driving assembly 4 includes a first inflatable bladder 41 and a second inflatable bladder 42, the first inflatable bladder 41 is disposed between parallel surfaces 231 of two adjacent end housings 21, the second inflatable bladder 42 is disposed between inclined surfaces 232 of two adjacent end housings 21, and the first inflatable bladder 41 and the second inflatable bladder 42 have independent inflation and deflation circuits.

In this embodiment, the implementation scenario specifically includes: specifically, a micro air pump can be arranged in the device 1, the first expansion air bag 41 and the second expansion air bag 42 are respectively provided with an air charging and discharging pipeline, the micro air pump is connected with the two air charging and discharging pipelines through a micro reversing valve or other structures for reversing, when the second expansion air bag 42 is inflated in an approach, the first expansion air bag 41 is deflated, the second expansion air bag 42 bulges, the inclined surface 232 between the two adjacent connecting blocks 23 is expanded, the parallel surface 231 between the two adjacent connecting blocks 23 is tightly attached, the flexible connecting structure 22 can be in a straight state, and similarly, when the first expansion air bag 41 is inflated, the second expansion air bag 42 deflates, the parallel surface 231 between the two adjacent connecting blocks 23 is expanded, the inclined surface 232 between the two adjacent connecting blocks 23 is tightly attached, and the flexible connecting structure 22 can be in a bending state, so that automatic conversion driving of a display can be realized. The practicality of the display is improved.

Referring to fig. 8-10 of the specification, the present embodiment further provides another conversion driving assembly, specifically, the conversion driving assembly includes a first wire 51 and a second wire 52, a first wire slot 233 transversely penetrating through the top of the connection block 23 is provided, a second wire slot 234 transversely penetrating through the bottom of the connection block 23 is provided, one end of the first wire 51 sequentially penetrates through each first wire slot 233 and then is connected in the end housing 21, one end of the second wire 52 sequentially penetrates through each second wire slot 234 and then is connected in the end housing 21, the other ends of the first wire 51 and the second wire 52 extend into the rigid housing 11, and an elastic driving structure for respectively driving the first wire 51 and the second wire 52 to be pulled or loosened is provided in the rigid housing 11.

It should be noted that, the first pull wire 51 and the second pull wire 52 may be high-strength wires, or metal wires woven by metal wires, and the first pull wire 51 and the second pull wire 52 may be fixedly connected with the end casing 21, or the first pull wire 51 and the second pull wire 52 may slide relative to the end casing 21, but a structure for limiting the first pull wire 51 and the second pull wire 52 is provided in the end casing 21, so that when the first pull wire 51 or the second pull wire 52 is driven by the elastic driving structure to tighten, the end casing 21 may be driven to rotate relative to the connecting block 23 connected therewith, in this embodiment, the elastic driving structure may directly select a linear driving structure such as a linear motor to drive the ends of the first pull wire 51 and the second pull wire 52, or a motor may be used to loosen the ends of the first pull wire 51 and the second pull wire 52 after winding the first pull wire 51 and the second pull wire 52 with a winding disc.

Further, in the above technical solution, the elastic driving structure may be a cam 53, a large diameter portion 531 and a small diameter portion 532 are provided on the cam 53, the cam 53 is rotatably installed inside the rigid casing 11, the ends of the two corresponding first pull wires 51 in the two sets of flexible portions 200 are fixedly connected to form a pull wire, the ends of the two corresponding second pull wires 52 in the two sets of flexible portions 200 are fixedly connected to form a pull wire, and the two pull wires are slidably attached to the circumferential side surfaces of the cam 53.

The cam 53 is driven to rotate by a power source, and the power source may use manpower or a motor, when using manpower, the rotation shaft of the cam 53 is extended to the outside of the rigid housing 11, and a knob structure is provided, and when using the motor, the cam 53 is driven to rotate by manual torsion, and when using the motor, a micro motor needs to be installed in the rigid housing 11, and a motor shaft is connected with the rotation shaft of the cam 53, so that the cam 53 is driven.

In this embodiment, the implementation scenario specifically includes: when the cam 53 rotates, the positions of the large diameter parts 531 are continuously changed, when the large diameter parts 531 are contacted with the first pull wires 51, the small diameter parts 532 are contacted with the second pull wires 52, the second pull wires 52 are in a relaxed state, the large diameter parts 531 press the middle parts of the two first pull wires 51, so that the two first pull wires 51 form pulling to the middle parts of the rigid shell 11, the end parts of the first pull wires 51 pull the upper half parts of the end shell 21, after the end shell 21 is subjected to pulling force, under the support of the hinge, upward turnover is generated relative to the nearest connecting blocks 23, pulling force is formed on the upper half parts of all the connecting blocks 23, the parallel surfaces 231 and the parallel surfaces 231 of the adjacent two connecting blocks 23 are mutually attached, and the flexible part 200 finally forms a flat state, and the same, when the large diameter portion 531 contacts with the second pull wire 52, the small diameter portion 532 contacts with the first pull wire 51, the first pull wire 51 is loosened, the second pull wire 52 pulls the lower half of the end housing 21, the inclined surfaces 232 and 232 of the adjacent two connecting blocks 23 are mutually attached, the flexible portion 200 is finally in an arc state, after the state is changed, the first pull wire 51 or the second pull wire 52 is kept in a fixed state under the pressure of the cam 53, and a stable pulling force is formed on the end housing 21, so that the attachment state between the adjacent two connecting blocks 23 can be kept no matter the flexible portion 200 is in a straight state or an arc state, and the state after the flexible portion 200 is kept in the state after the change is ensured, and the display is not easy to deform beyond due to the action of external force.

Referring to fig. 1-16 of the drawings, a foldable display is provided, based on the scheme of the tightening driving assembly 5 adopted in the above technical scheme, in order to ensure that the flexible portion 200 provides a stable support for the flexible portion 200 when the flexible portion 200 is converted into a straight state, the present embodiment further provides a technical scheme for locking the connecting blocks 23 after the parallel surfaces 231 between the adjacent two connecting blocks 23 are jointed, specifically, the positions of the first pull wires 51 corresponding to the first wire slots 233 are fixedly connected with the pins 54, the aperture of the first wire slots 233 is larger than the diameter of the first pull wires 51, the aperture of the first wire slots 233 is the same as the diameter of the pins 54, the pins 54 are slidably matched inside the first wire slots 233, one end of the first pull wires 51 close to the end housing 21 is fixedly connected with the end caps 511, the end housing 21 is provided with the mounting slots, the end caps 511 are slidably arranged in the mounting slots, the first pull wires 51 penetrate through the side wall portions of the mounting slots in the end housing 21 and are slidably matched with the end housing 21, first elastic members 512 are arranged between the end caps 511 and the end housing 21, the first elastic members 512 are used for providing an elastic force to the end caps 511 in a direction away from the rigid housing 11.

It should be noted that, the first elastic member 512 is preferably a spring and is sleeved outside the first pull wire 51, when the first pull wire 51 is tensioned, the end casing 21 will be pulled first to move under the action of the elastic force of the first elastic member 512 until all the connection blocks 23 are attached, after the flexible connection structure 22 keeps a flat state, the first pull wire 51 continues to be tensioned, so that the end cap 511 compresses the first elastic member 512 and makes the pin 54 move into the first wire groove 233 in the other connection block 23, so as to be inserted between the first wire grooves 233 of the two adjacent connection blocks 23 to lock the two adjacent connection blocks 23, in the tensioned state of the first pull wire 51, the structure lock between the two adjacent connection blocks 23 increases the structural strength of the flexible connection structure 22 when the flexible connection structure 22 keeps straight, and when the first pull wire 51 is relaxed, the end cap 511 drives the first pull wire 51 to move away from the rigid casing 11 under the driving of the elastic force of the first pull wire 512, thereby retracting the pin 54 away from the butt joint of the two first wire grooves 233, and thus not affecting the separation of the two adjacent parallel connection surfaces 231 when the flexible connection structure 22 is tensioned.

Further, in the above technical solution, there is a tendency of rotating along the hinge between two adjacent connection blocks 23, there is a tendency of moving away from each other between the mutually abutting parallel surfaces 231, and the locking effect of the pin 54 is not good, therefore, this embodiment also provides a locking structure, specifically, one end of the pin 54, which is far away from the end housing 21, is provided with a spiral thread portion 541, a spiral thread portion 541 is provided with a spiral thread groove 236 corresponding to the spiral thread on the spiral thread portion 541, one end of the first thread groove 233, which is close to the end housing 21, is provided with a plurality of groups of positioning grooves 513 on the end cap 511, a positioning block 211 is fixedly connected inside the mounting groove of the end housing 21, which corresponds to the first stay wire 51, and the positioning block 211 is located at one side of the mounting groove, which is close to the connection block 23.

When the first wire 51 is further pulled up to advance the pin 54 into the other first wire groove 233, the spiral groove 541 is gradually engaged with the spiral groove 236 and rotates into the groove, the end cap 511 is not in contact with the positioning block 211 at the beginning, after the spiral groove 541 is screwed into the spiral groove 236, the positioning block 211 starts to engage with the positioning groove 513 at a nearby position, and then the first wire 51 stops pulling up, the end cap 511 is locked by the positioning block 211, so that the first wire 51 is limited to rotate substantially (the first wire 51 has a thin rope structure and has a certain torsion elasticity, and can generate a certain torsion deformation, but the torsion does not cause the spiral groove 541 to separate from the spiral groove 236), the spiral groove 541 is limited in the spiral groove 236, and a transverse locking pull force is generated under the engagement of the spiral groove 541 and the spiral groove 236, so that the connecting block 23 can be locked laterally, and separation thereof is avoided.

Further, this embodiment further provides another locking mechanism, specifically, the inner wall of the end of the first wire slot 233 away from the end casing 21 is fixedly connected with the elastic lock catch 25, the elastic lock catch 25 extends out of one end of the first wire slot 233 and is fixedly connected with the fastening part 251, the fastening groove 237 is formed in the inner wall of the connecting block 23 corresponding to the first wire slot 233 on the side of the connecting block 23 near the end casing 21, when the first wire 51 starts to tighten the flexible connection structure 22 to be primarily straightened, the tail end of each elastic lock catch 25 enters the first wire slot 233 of the other connecting block 23, then the first wire 51 is further tightened, the pin 54 moves forward, the elastic lock catch 25 is extruded, the elastic lock catch 25 is fastened into the fastening groove 237 of the connecting block 23 beside, the two adjacent connecting blocks 23 are transversely locked, the structural strength of the flexible part 200 when the flexible part 200 is changed into a straight state is further improved, the stability of the display in use is improved, and after the first wire 51 is loosened, the first elastic piece 512 reversely pushes the end cap 511, the pin 54 leaves the elastic lock catch 25, and the lock catch can be automatically unlocked.

In the above technical solution, a flexible housing part 24 is further disposed between the rigid housing 11 and the end housing 21, the flexible housing part 24 is used as a protective housing, structural components in the flexible part 200 are all disposed inside the flexible housing part 24, specifically, two side parts of the flexible housing part 24 may be made of rubber plates, a bottom side part of the flexible housing part 24 may be made of rubber plates, or flexible structural plates, such as plastic plates or metal sheets, structures such as a hard circuit board and a battery required by a display may be disposed in the rigid housing 11, a flexible circuit board and some small components may be disposed in the flexible housing part 24, and some other required components may also be disposed in the end housing 21.

Further, the top of the rigid portion 100 and the top of the flexible portion 200 are fixedly connected with a flexible frame 32, the edge of the flexible screen 300 is buried in the flexible frame 32, the flexible frame 32 is fixedly connected with the top of the rigid housing 11, the flexible frame 32 is fixedly connected with the top of the end housing 21 and the top of the flexible housing portion 24, and the bottom of the flexible screen 300 is provided with a flexible substrate 31.

Further, the middle part of the flexible substrate 31 is fixedly connected with the top of the rigid casing 11, the bottom of the end, close to the end casing 21, of the flexible substrate 31 is fixedly connected with a traction block 34, the traction block 34 is slidably mounted in the end casing 21, a second elastic piece 35 is mounted between the traction block 34 and the end casing 21, the second elastic piece 35 is used for providing an elastic force for the traction block 34, far away from the direction of the rigid casing 11, a sliding clamping groove 235 is formed in the top of the connecting block 23, sliding blocks 33 are fixedly connected to the positions, corresponding to the sliding clamping grooves 235, of the flexible substrate 31, and the sliding blocks 33 are in sliding fit with the sliding clamping grooves 235.

It should be noted that, the flexible frame 32 and the flexible substrate 31 may both adopt a rubber structure or an elastic plastic structure, under the sliding support of the traction block 34 and the end casing 21 and the sliding support of the sliding block 33 and the sliding slot 235, the portion of the flexible screen 300 corresponding to the flexible portion 200 may generate relative displacement, so as to avoid the influence of the rotation change of the connection block 23 on the flexible screen 300, and under the support of the second elastic member 35, both ends of the flexible portion 200 may be pulled outwards by the two sets of second elastic members 35 no matter the flexible screen 300 is in a flat state or a curved state, so that the surface of the flexible screen 300 is smoother, and the use comfort of the display is further improved.

The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims (8)

1. A foldable display, characterized by: the flexible screen comprises a rigid part (100), a flexible part (200) and a flexible screen (300), wherein the flexible part (200) is arranged into two groups, the two groups of flexible parts (200) are respectively connected to two ends of the rigid part (100), the flexible screen (300) is arranged on the surfaces of the rigid part (100) and the flexible part (200), the rigid part (100) comprises a rigid shell (11), the flexible part (200) comprises an end shell (21), and the end shell (21) is connected with the rigid shell (11) through a flexible connection structure (22);

the flexible connecting structure (22) comprises a plurality of connecting blocks (23), parallel surfaces (231) are arranged on two sides of the top of each connecting block (23), inclined surfaces (232) are arranged on two sides of the bottom of each connecting block (23), two adjacent connecting blocks (23) are connected through a hinge, the hinge is located at the junction of the parallel surfaces (231) and the inclined surfaces (232) on each connecting block (23), and the connecting blocks (23) located at two ends are respectively connected with the rigid shell (11) and the end shell (21) in a rotating mode;

the foldable display further includes a transition drive assembly for driving the flexible connection structure (22) to transition between a straightened state and a curved state;

when the conversion driving assembly drives the parallel surfaces (231) between two adjacent connecting blocks (23) to be attached, the flexible connecting structure (22) is in a straight state, and the flexible part (200) is in a straight state;

when the conversion driving assembly drives the inclined surfaces (232) between two adjacent connecting blocks (23) to be attached, the flexible connecting structure (22) is in a bending state, and the flexible part (200) is in an arc state;

the transformation driving assembly comprises a first wire drawing (51) and a second wire drawing (52), a first wire slot (233) which transversely penetrates through the top of the connecting block (23), a second wire slot (234) which transversely penetrates through the bottom of the connecting block (23), one end of the first wire drawing (51) sequentially penetrates through each first wire slot (233) and then is connected into the end machine shell (21), one end of the second wire drawing (52) sequentially penetrates through each second wire slot (234) and then is connected into the end machine shell (21), the other ends of the first wire drawing (51) and the second wire drawing (52) extend into the rigid machine shell (11), and an elastic driving structure is arranged in the rigid machine shell (11) and is used for respectively driving the first wire drawing (51) and the second wire drawing (52) to be tensioned or relaxed;

the utility model discloses a motor vehicle seat, including first stay wire (51) and end casing (21), the position department that first stay wire (51) corresponds each first wire groove (233) all fixedly connected with round pin post (54), the aperture of first wire groove (233) is greater than the diameter of first stay wire (51), the aperture of first wire groove (233) is the same with the diameter of round pin post (54), round pin post (54) sliding fit is in the inside of first wire groove (233), the one end fixedly connected with end cap (511) that first stay wire (51) is close to end casing (21), is provided with the mounting groove in end casing (21), end cap (511) sliding set up in the mounting groove, just first stay wire (51) runs through the lateral wall part of mounting groove in end casing (21) to with end casing (21) sliding fit, be provided with first elastic component (512) between end cap (511) and the end casing (21), first elastic component (512) are used for providing one elasticity that keeps away from rigid casing (11) direction to end cap (511).

2. A foldable display according to claim 1, characterized in that: the transformation driving assembly further comprises an inflatable driving assembly (4), the inflatable driving assembly (4) comprises a first inflatable air bag (41) and a second inflatable air bag (42), the first inflatable air bag (41) is arranged between parallel faces (231) of two adjacent end machine shells (21), the second inflatable air bag (42) is arranged between inclined faces (232) of two adjacent end machine shells (21), and the first inflatable air bag (41) and the second inflatable air bag (42) are connected with an inflation and deflation loop which is used for controlling inflation or deflation of the first inflatable air bag (41) and the second inflatable air bag (42).

3. A foldable display according to claim 1, characterized in that: the elastic driving structure is characterized in that the elastic driving structure is also a cam (53), a large diameter part (531) and a small diameter part (532) are arranged on the cam (53), the cam (53) is rotatably arranged inside the rigid casing (11), two groups of the two ends of the two corresponding first pull wires (51) in the flexible part (200) are fixedly connected to form a pull wire, two groups of the two ends of the two corresponding second pull wires (52) in the flexible part (200) are fixedly connected to form a pull wire, and the pull wires formed by the two first pull wires (51) and the pull wires formed by the two second pull wires (52) are in sliding fit with the circumferential side surfaces of the cam (53).

4. A foldable display according to claim 1, characterized in that: the utility model discloses a screw thread type electric motor end cover for a motor, including tip casing (21) and end cover, the one end that tip casing (21) was kept away from to round pin post (54) is provided with spiral line portion (541), be provided with spiral line portion (541) in spiral line portion (541), one end that first wire casing (233) is close to tip casing (21) is provided with spiral line groove (236) that corresponds with spiral line portion (541), be provided with multiunit constant head tank (513) on end cover (511), correspond inside fixedly connected with locating piece (211) of mounting groove of first acting as go-between (51) in tip casing (21), just locating piece (211) are arranged in the one side that is close to connecting block (23) in the mounting groove.

5. A foldable display according to claim 1, characterized in that: the inner wall fixedly connected with elasticity hasp (25) of one end that tip casing (21) was kept away from to first wire casing (233), elasticity hasp (25), the one end fixedly connected with buckle portion (251) of first wire casing (233) are extended to elasticity hasp (25), buckling groove (237) have been seted up to the inner wall of connecting block (23) that first wire casing (233) correspond its one side that is close to tip casing (21) in connecting block (23).

6. A foldable display according to any of claims 2-5, characterized in that: still be provided with flexible shell portion (24) between rigid casing (11) and end casing (21), the top fixedly connected with flexible frame (32) of rigid portion (100) and flexible portion (200), the edge of flexible screen (300) is buried in the inside of flexible frame (32), the top fixed connection of flexible frame (32) and rigid casing (11), the top of flexible frame (32) and end casing (21) and the top fixed connection of flexible shell portion (24), the bottom of flexible screen (300) is provided with flexible substrate (31).

7. A foldable display according to claim 6, wherein: the middle part of flexible substrate (31) and the top fixed connection of rigid casing (11), the bottom fixedly connected with that the one end that flexible substrate (31) is close to tip casing (21) pulls piece (34), pull piece (34) slidable mounting in the inside of tip casing (21), just install second elastic component (35) between pulling piece (34) and tip casing (21), second elastic component (35) are used for providing the elasticity of keeping away from rigid casing (11) direction to pulling piece (34).

8. A foldable display according to claim 7, wherein: the top of connecting block (23) has seted up slip draw-in groove (235), flexible substrate (31) all fixedly connected with slider (33) in the position department that corresponds each slip draw-in groove (235), slider (33) and slip draw-in groove (235) sliding fit.