CN115762332A - Electronic device - Google Patents

Abstract

The disclosure provides electronic equipment, and relates to the technical field of electronics. The electronic device includes: the flexible display screen comprises a shell, a driving mechanism, a flexible display screen and a scroll; the housing includes a first portion and a second portion; the driving mechanism comprises a first magnetic device and a second magnetic device; first magnetic means are associated with the first portion and second magnetic means are associated with the second portion, the first and second magnetic means interacting by magnetic force to cause relative sliding movement of the first and second portions. The two magnetic devices are used as the driving mechanism, the two magnetic devices drive the two parts of the shell to slide relatively through attractive or repulsive magnetic acting force, and the driving mechanism is simple in structure and convenient to install, is beneficial to controlling the production and manufacturing cost of products, and is beneficial to the light and thin development of electronic equipment.

Description

Electronic device

Technical Field

The present disclosure relates to the field of electronic technologies, and in particular, to an electronic device.

Background

With the development of electronic technology, the size of the display screen of the display device is required to be larger and larger, and in order to realize larger display screen size, the electronic device with a scroll screen structure is produced.

However, the electronic device with the scroll screen structure provided in the related art has a complex structure, which not only increases the manufacturing cost, but also is not conducive to the development of the display device.

Disclosure of Invention

The present disclosure provides an electronic device, which can solve the problem that an electronic device having a scroll screen structure is complex in structure.

The technical scheme is as follows:

an electronic device, the electronic device comprising: the flexible display screen comprises a shell, a driving mechanism, a flexible display screen and a scroll;

the housing comprises a first portion and a second portion;

the driving mechanism comprises a first magnetic device and a second magnetic device; the first magnetic means is connected to the first portion and the second magnetic means is connected to the second portion, the first and second magnetic means interacting by magnetic force to slide the first and second portions relative to each other.

In some embodiments, the first portion has a first sidewall corresponding to a side edge of the display portion;

the first magnetic device is arranged on the inner side surface of the first side wall, and the inner side surface of the first side wall is the side surface of the first side wall facing the second part.

In some embodiments, the first magnetic means is an arch, the first magnetic means being arranged in an embedded manner on the inner side of the first side wall.

In some embodiments, the spool is rotatably disposed within the first portion;

the first end of the flexible display screen is connected to the outer side face of the second portion, the second end of the flexible display screen is connected to the reel, and when the first portion and the second portion slide relatively, the reel rotates to release or roll up the flexible display screen so as to adjust the size of the display portion of the flexible display screen.

In some embodiments, the electronic device further comprises a spacing roller; the limiting roller is rotatably arranged in the first part and is parallel to the reel;

the turning part of the flexible display screen is wound on the limiting roller; the turning part is positioned between the display part and the second end of the flexible display screen, and the first end and the second end of the flexible display screen are both positioned on the same side of the limiting roller.

In some embodiments, the first magnetic device is rotatably disposed within the restraining drum, and the first magnetic device transmits a force to the first portion through the restraining drum.

In some embodiments, the first magnetic device is a cylindrical piece, and the axis of the first magnetic device is coincident with the axis of the limiting roller.

In some embodiments, the second portion has a top panel disposed on a non-display side of a display portion of the flexible display screen;

the second magnetic device is arranged on the bottom surface of the top plate, and the bottom surface of the top plate is the side surface of the top plate departing from the display part.

In some embodiments, the top plate comprises at least two support members and a flexible member connecting two adjacent support members;

the at least two supporting pieces are arranged in parallel;

the top plate is used for supporting the display part and stretching along the size change direction of the display part.

In some embodiments, the internal magnetic field direction of the first magnetic means is collinear with the internal magnetic field direction of the second magnetic means.

In some embodiments, at least one of the first magnetic means and the second magnetic means is an electromagnet.

In some embodiments, the second magnetic device is an electromagnet and the first magnetic device is a neodymium iron boron permanent magnet.

In some embodiments, the drive mechanisms are two; the two driving mechanisms are arranged at intervals along the axial direction of the reel.

In some embodiments, the electronic device further comprises: a positioning assembly; the positioning assembly comprises a positioning rod and a positioning block;

the positioning block is provided with a positioning hole, and the positioning rod is arranged in the positioning hole in a sliding manner;

the positioning rod is connected to one of the first portion and the second portion, and the positioning block is connected to the other of the first portion and the second portion.

In some embodiments, the positioning assembly further comprises an identification circuit;

the positioning rod is provided with at least two conductive pieces which are arranged at intervals along the axial direction of the positioning rod;

two conductive contacts are arranged in the positioning hole and are respectively arranged at two ends of the identification circuit;

when the conductive piece moves to the contact position with the two conductive contacts, the identification circuit is conducted; the identification circuit counts the count value of the conductive piece passing through the conductive contact.

In some embodiments, a limiting block is arranged at the tail end of the positioning rod and used for limiting the positioning rod when the positioning rod slides in the positioning hole.

In some embodiments, the electronic device further comprises a control module;

the control module is configured to receive a relative sliding distance between the first part and the second part, calculate a target count value according to the relative sliding distance, and control the at least one driving mechanism to act until the count value fed back by the identification circuit is equal to the target count value.

In some embodiments, the reel is provided with a return element; the restoring element is used for providing restoring force when the first part and the second part slide relatively.

In some embodiments, the return element is a torsion spring, and the return element is disposed at one axial end of the spool and is connected to the first portion.

The beneficial effect that technical scheme that this disclosure provided brought includes at least:

according to the electronic equipment disclosed by the embodiment of the disclosure, the shell is divided into two parts capable of sliding relatively, and when the two parts slide relatively, the reel releases or winds the flexible display screen, so that the size adjustment of the display part is realized; the two magnetic devices are used as the driving mechanism, and the two magnetic devices drive the two parts of the shell to slide relatively through attractive or repulsive magnetic acting force.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present disclosure;

fig. 2 is a schematic diagram illustrating a display portion of an electronic device according to an embodiment of the disclosure;

fig. 3 is a schematic structural diagram of an electronic device according to another embodiment of the present disclosure;

fig. 4 is an assembly sectional view of a limiting roller and a first magnetic device provided by the embodiment of the disclosure;

FIG. 5 is a schematic view of the first and second portions provided by an embodiment of the present disclosure in mating relationship;

FIG. 6 is a schematic view of a partial structure of a top plate provided by an embodiment of the present disclosure;

FIG. 7 is a schematic illustration of the positions of a first magnetic device and a second magnetic device provided by an embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of a positioning assembly provided by an embodiment of the present disclosure;

fig. 9 is an operation schematic diagram of an identification circuit according to an embodiment of the disclosure.

The reference numerals in the figures are denoted respectively by:

1. a housing; 11. a first portion; 111. a first side wall; 112. a base plate; 1121. a fifth side; 1122. a sixth side; 1123. a seventh side; 1124. an eighth side; 113. a first end wall; 12. a second portion; 121. a top plate; 1211. a first side edge; 1212. a second side edge; 1213. a third side; 1214. a fourth side; 122. a second side wall; 123. a second end wall; 124. a subfloor; 125. a support member; 126. a flexible member; 2. a drive mechanism; 21. a first magnetic device; 22. a second magnetic device; 3. a flexible display screen; 31. a display section; 32. a turning part; 4. a reel; 5. a positioning assembly; 51. positioning a rod; 511. a conductive member; 512. a limiting block; 52. positioning blocks; 521. positioning holes; 5211. a conductive contact; 53. an identification circuit; 6. a restoring element; 7. and (5) limiting the roller.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

It should be understood that the terms of orientation, such as "upper", "lower", "top", "bottom", "side", and the like, referred to in the embodiments of the present disclosure are used with reference to the orientation of the first and second portions of the housing, wherein the orientation of the second portion is top, the orientation of the first portion is bottom, and the portion between the top and the bottom is side. The terms of orientation used in the embodiments of the present disclosure are used merely to more clearly describe structures and relationships between the structures, and are not intended to describe absolute orientations, and therefore, should not be taken to limit the present disclosure.

It is to be understood that reference to "at least one" in this disclosure means one or more and "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

As one of the mobile terminals, the portability is an important characteristic of the display device, which hinders the design of the portability of the display device, and the display screen size of the portable display device is generally limited to 7 inches or less. In order to make portable display devices have a larger display size, electronic devices employing a flexible display screen as a display screen have appeared.

In the related art, an electronic apparatus having a scroll screen structure includes a housing, a scroll, a flexible display screen, and a driving mechanism, the housing being divided into a first portion and a second portion capable of relative movement, the scroll being rotatably provided on the first portion; the first end of the flexible display screen is fixedly connected with the second part, the second end of the flexible display screen is wound on the reel, and the area between the first end of the flexible display screen and the reel is a display area. The driving mechanism comprises a motor and two transmission structures, the motor is fixed on the second part, and the two transmission structures are respectively a gear rack structure and a double-gear structure. The motor drives the first part to move through the gear rack structure so as to be close to or far away from the second part, the reel is driven to rotate through the double-gear structure, the flexible display screen is coiled when the first part and the second part are close to each other, and the flexible display screen is released when the first part and the second part are far away from each other, so that the size of the display screen is adjusted.

However, such electronic devices have complicated structures and various kinds of components, which not only increase the manufacturing cost, but also are not conducive to the development of light and thin electronic display devices.

The utility model provides an electronic equipment adopts two magnetic device as actuating mechanism, and two magnetic device drive casing two parts relative slip through attracting or repellent magnetic force, and actuating mechanism simple structure, simple to operate is favorable to controlling the production manufacturing cost of product, and is favorable to electronic equipment's frivolous development.

Fig. 1 shows a structure of an electronic apparatus provided in an embodiment of the present disclosure, and fig. 2 shows a size adjustment diagram of a display portion 31 of the electronic apparatus provided in the embodiment of the present disclosure.

With reference to fig. 1 and 2, an embodiment of the present disclosure provides an electronic device, including: the device comprises a shell 1, a driving mechanism 2, a flexible display screen 3 and a scroll 4; the housing 1 comprises a first portion 11 and a second portion 12; the drive mechanism 2 comprises first magnetic means 21 and second magnetic means 22; the first magnetic means 21 are connected to the first part 11 and the second magnetic means 22 are connected to the second part 12, the first magnetic means 21 and the second magnetic means 22 interacting by magnetic force to slide the first part 11 and the second part 12 relative to each other.

In the electronic device of the embodiment of the present disclosure, the housing 1 is divided into two parts capable of sliding relatively, and when the two parts slide relatively, the reel 4 releases or winds up the flexible display screen 3, so as to adjust the size of the display part 31; two magnetic devices are adopted as the driving mechanism 2, the two magnetic devices drive the two parts of the shell 1 to relatively slide through the magnetic acting force of attraction or repulsion, and the driving mechanism 2 has the advantages of simple structure and convenient installation, is favorable for controlling the production and manufacturing cost of products, and is favorable for the light and thin development of electronic equipment.

In addition, compared with a mechanical driving mechanism of a motor, a gear and a rack adopted in the prior art, the two magnetic devices adopted in the embodiment of the disclosure generate magnetic acting force through superposition of magnetic fields, the transmission of the force is not influenced by the structures between the two magnetic devices, non-contact driving is realized, on one hand, the arrangement freedom degree of the driving mechanism 2 can be improved, and on the other hand, the magnetic devices are simple in structure, free of contact abrasion, high in reliability and long in service life.

It is understood that the electronic devices of the embodiments of the present disclosure include, but are not limited to, display devices such as mobile phones, tablets, etc., or other portable display devices. In the present disclosure, an electronic device is described as an example of a mobile phone.

It is to be noted that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.

Further, in the present disclosure, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Optionally, a sliding rail and a sliding block are arranged between the first part 11 and the second part 12, and sliding between the first part 11 and the second part 12 is realized through sliding fit of the sliding rail and the sliding block. In some possible examples of realisation, the slide rail extends along the sliding direction of the two portions, on which the slider is slidingly mounted.

Illustratively, the first portion 11 and/or the second portion 12 is at least one of non-magnetic conductive metal, glass, ceramic, and plastic, and the slide rail and/or the slider is at least one of non-magnetic conductive metal and ceramic, and the slide rail and/or the slider is integrally formed on the first portion 11 or the second portion 12, for example, by injection molding and casting.

Optionally, a dynamic sealing structure is arranged between the first part 11 and the second part 12, which can ensure that the mating surfaces of the first part 11 and the second part 12 can maintain better sealing during the relative sliding of the first part 11 and the second part 12. Illustratively, the dynamic seal structure is a seal rubber ring.

It is to be understood that in the display section 31 size adjustment illustration of the electronic apparatus shown in fig. 2, the left side is the display section 31 size initial state of the electronic apparatus, and the right side is the display section 31 size expanded state of the electronic apparatus, and the lateral size of the display section 31 in the expanded state of the right drawing is larger than the lateral size of the display section 31 in the initial state of the left drawing. Further, the size of the display portion 31 of the electronic apparatus that can be developed is not limited to the size shown in fig. 2, and is only illustrated in fig. 2. The size of the display section 31 may also be any size between a minimum size (e.g., an initial state) and a maximum size (e.g., an expanded state).

Alternatively, the first part 11 is directly slidably fitted with the second part 12, one of the first part 11 and the second part 12 is provided with a sliding slot, and the other of the first part 11 and the second part 12 is provided with a protruding shaft or a protruding block, and the protruding shaft or the protruding block is slidably fitted in the sliding slot.

Illustratively, the protruding shaft or boss is integrally formed on the first portion 11 or the second portion 12.

As shown in connection with fig. 1, in some embodiments, the first portion 11 has a first sidewall 111, the first sidewall 111 corresponding to a side of the display portion 31; the first magnetic means 21 is disposed on an inner side surface of the first sidewall 111, and the inner side surface of the first sidewall 111 is a side surface of the first sidewall 111 facing the second portion 12.

In the electronic apparatus of the present embodiment, the first magnetic device 21 as a part of the driving mechanism 2 is used as the biasing member of the first part 11, and it is necessary to consider that it is disposed at a position of the first part 11 having a large strength and avoid interference with the internal structure of the first part 11. The first sidewall 111 is required to have high strength to protect the internal structure as an external structure of the electronic device, and is located at the outermost side of the electronic device. The arrangement of the first magnetic means 21 on the inner side of the first side wall 111 thus ensures both the structural strength of the first portion 11 and avoids interference with the internal structure.

In some embodiments, as shown in connection with fig. 1, the first magnetic means 21 is an arch, the first magnetic means 21 being arranged in an embedded manner on the inner side of the first side wall 111, the outer surface of the first magnetic means 21 coinciding with the inner side of the first side wall 111.

Optionally, a groove structure is disposed on an inner side surface of the first sidewall 111, the groove structure corresponds to the first magnetic device 21 in shape, and the first magnetic device 21 is clamped or bonded in the groove structure.

In the electronic apparatus of the present embodiment, the first magnetic device 21 is designed as an arch, and is embedded and assembled on the inner side of the first sidewall 111, and the outer surface thereof is kept flat with the inner side of the first sidewall 111. The concealed installation of the first magnetic device 21 does not affect the process requirements of the reference, matching and the like of the inner side surface of the first side wall 111 and the internal structure of the first part 11.

In addition, with the direct joint of first magnetic means 21 or bond at the medial surface of first lateral wall 111, it is simple and convenient, need not to carry out great change to current structure, the production degree of difficulty that can greatly reduced flexible display device.

As shown in connection with fig. 1, in some embodiments, the spool 4 is rotatably disposed within the first portion 11; the first end of the flexible display 3 is attached to the outer side of the second part 12 and the second end is attached to the roller 4, and when the first part 11 and the second part 12 slide relative to each other, the roller 4 rotates to release or retract the flexible display 3 to adjust the size of the display part 31 of the flexible display 3.

In some realizable manners, the reel 4 is arranged close to the first side wall 111, the inner side surface of the first side wall 111 is provided with a cylindrical groove with a shape corresponding to the outer cylindrical surface of the reel 4, and the reel 4 and the flexible display screen 3 wound on the outer circumferential surface can be accommodated in the cylindrical groove.

As shown in connection with fig. 3, in some embodiments, the electronic device further comprises a position limiting roller 7; the limiting roller 7 is rotatably arranged in the first part 11 and is parallel to the reel 4; the turning part 32 of the flexible display screen 3 is wound on the limiting roller 7; the turning part 32 is located between the display part 31 and the second end of the flexible display 3, and the first end and the second end of the flexible display 3 are both located on the same side of the position-restricting roller 7.

In the electronic device of the embodiment, the position-limiting roller 7 is disposed at the first sidewall 111, the winding shaft 4 is far away from the first sidewall 111, the first end and the second end of the flexible display screen 3 are both located at the same side of the position-limiting roller 7, the turning portion 32 is wound on the other side of the position-limiting roller 7, and the central angle of the position-limiting roller 7 corresponding to the turning portion 32 is about 180 °.

Through increasing spacing cylinder 7, can increase the length of flexible display screen 3, flexible display screen 3 second end is connected with 12 lateral surfaces of second part, and first end is connected with spool 4, and the centre carries out the turn through spacing cylinder 7, and the length of flexible display screen 3 can increase at least and spacing cylinder 7 to the isometric size of distance between spool 4. Furthermore, the increased portion of the flexible display 3 is spread out and received in the cavity defined by the first portion 11 and the second portion 12, without worrying about the increased diameter of the portion of the flexible display 3 when it is fully rolled up on the roller 4, which may interfere with the housing 1 and other structures.

Optionally, the second end of the flexible display screen 3 is connected to the winding shaft 4 through a connecting member, so that the second end of the flexible display screen 3 can be released and away from the surface of the winding shaft 4 until the second end coincides with the turning portion 32, and at this time, the display portion 31 of the flexible display screen 3 is the whole area between the first end and the second end, and the flexible display screen 3 is fully utilized, thereby improving the utilization rate of the flexible display device. Illustratively, the connector is a flexible circuit board.

Optionally, the diameter of the limiting roller 7 is larger than that of the reel 4, when the limiting roller 7 is disposed in the first portion 11, the distance between the limiting roller 7 and the bottom surface of the first portion 11 and the inner side surface of the first side wall 111 is equal to the thickness of the flexible display screen 3, and one of the generatrices of the outer circumferential surface of the limiting roller 7 is located in the plane of the outer side surface of the second portion 12.

Therefore, the gap between the limiting roller 7 and the shell 1 can be designed to be small, only the flexible display screen 3 can pass through the single layer, other gaps do not need to be reserved, the gap is occupied by the flexible display screen 3 all the time, and the airtightness of the inner space of the shell 1 can be guaranteed.

In some realizable ways, the limiting roller 7 and the turning part 32 wound around the outer circumferential surface thereof can be accommodated in a cylindrical groove of the inner side surface of the first side wall 111.

In some embodiments, as shown in fig. 3, the first magnetic means 21 are rotatably disposed inside the restraining roller 7, and the first magnetic means 21 transmit a force to the first portion 11 through the restraining roller 7.

In this embodiment, the position limiting roller 7 is rotatably mounted in the first portion 11 and can slide with the first portion 11 relative to the second portion 12, the outer periphery of the position limiting roller 7 is wound around the turning portion 32 of the flexible display screen 3 to support the turning portion, the position limiting roller 7 is hollow, but the space is closed relative to the chalk, and the position limiting roller 7 is in a rotating state at all times, so that other electrical components of the electronic device cannot be accommodated.

However, in this embodiment, the first magnetic device 21 and the second magnetic device 22 can achieve a contactless magnetic force effect without being interfered by a non-magnetic structure therebetween, so that the first magnetic device 21 is disposed in the position-limiting roller 7, and the first magnetic device 21 and the second magnetic device 22 can still penetrate through the position-limiting roller 7 to generate a mutual magnetic force effect. Therefore, the embodiment makes full use of the space inside the limiting roller 7, and the integration of the flexible display device is improved.

In some embodiments, as shown in fig. 4, the first magnetic device 21 is a cylindrical member, the axis of the first magnetic device 21 coincides with the axis of the limiting drum 7, and the first magnetic device 21 can rotate inside the limiting drum 7, and the direction of the first magnetic device 21 always corresponds to the direction of the second magnetic device 22 no matter the limiting drum 7 rotates to any angle.

As shown in fig. 1 and 3, in some embodiments, the second portion 12 has a top plate 121, the top plate 121 is disposed on the non-display surface of the display portion 31, and the top surface of the top plate 121 is supported on the non-display surface of the display portion 31, so that the display portion 31 of the flexible display screen 3 is kept flat and stable, and the display portion 31 can normally display; the second magnetic device 22 is disposed on the bottom surface of the top plate 121, the bottom surface of the top plate 121 is a side surface of the top plate 121 facing away from the display portion 31, the bottom surface of the top plate 121 faces the inside of the cavity surrounded by the first portion 11 and the second portion 12, and the second magnetic device 22 is disposed on the bottom surface of the top plate 121, so that the second magnetic device 22 can be connected to the second portion 12, and the second magnetic device 22 can be conveniently close to the first magnetic device 21 on the first portion 11.

Illustratively, as shown in fig. 5, the second portion 12 further includes a second sidewall 122 and two second end walls 123, the second sidewall 122 is disposed on the first side 1211 of the top plate 121, the second side 1212 is located on the opposite side of the first side 1211, the two second end walls 123 are respectively disposed on the third side 1213 and the fourth side 1214 adjacent to the first side 1211, and the second sidewall 122 and the two second end walls 123 respectively extend along the sides of the top plate 121 toward the side of the first portion 11.

The first portion 11 further includes a bottom plate 112 and two first end walls 113, the first side wall 111 is disposed on a fifth side 1121 of the bottom plate 112, the sixth side 1122 is located at an opposite side of the fifth side 1121, the two first end walls 113 are respectively disposed on a seventh side 1123 and an eighth side 1124 adjacent to the fifth side 1121, and the first side wall 111 and the two first end walls 113 respectively extend along the sides of the bottom plate 112 toward the side of the second portion 12.

When the first part 11 and the second part 12 are slidably connected, the two first end walls 113 and the two second end walls 123 are slidably engaged, which includes, but is not limited to, the two second end walls 123 being located between the two first end walls 113 (the first end walls 113, the second end walls 123, the first end walls 113), the two first end walls 113 being located between the two second end walls 123 (the second end walls 123, the first end walls 113, the second end walls 123), and the two second end walls 123 being inserted into the two first end walls 113, the two first end walls 113 being inserted into the two second end walls 123.

When the first part 11 and the second part 12 are slidably connected, the top plate 121 is parallel to the bottom plate 112, and the area between the top plate 121 and the bottom plate 112 can accommodate the roller 4, the second end of the flexible display 3, the second magnetic means 22, and other electrical components of the electronic device.

Illustratively, other electrical components of the electronic device include, but are not limited to, a battery, a main board, a sub-board, a flexible circuit board, a sensor, a camera module.

Optionally, in order to solve the problem of bottom exposure caused by insufficient length of the bottom plate 112 when the first part 11 and the second part 12 are relatively far away, the second part 12 further comprises a sub-bottom plate 124, and the sub-bottom plate 124 is closely attached to the bottom plate 112 in parallel and used for prolonging the length of the bottom plate 112 when the first part 11 and the second part 12 are relatively far away, so as to seal the bottom and prevent the internal electric elements from being exposed and damaged.

In some realizable manners, the bottom plate 112 is able to telescope in the direction in which the first portion 11 and the second portion 12 slide relative to each other.

As shown in connection with fig. 6, in some embodiments, the top plate 121 includes at least two support members 125 and a flexible member 126 connecting adjacent two support members 125; at least two support members 125 are arranged side by side; the top plate 121 is for supporting the display section 31 and is stretchable in the size change direction of the display section 31.

Alternatively, the support member 125 is elongated, and both ends of the elongated support member 125 can be slidably connected to the two first end walls 113 of the first portion 11, respectively.

Alternatively, the flexible member 126 is a flexible element such as a spring or a gel, and can be bent or compressed to change its width, thereby changing the size of the top plate 121.

In the electronic device of the embodiment, the top plate 121 can extend and contract along with the size change of the display portion 31, so that a reliable supporting structure is always present on the non-display surface of the display portion 31, and the normal operation of the display portion 31 is ensured.

As shown in connection with fig. 7, in some embodiments, the internal magnetic field direction of the first magnetic means 21 is collinear with the internal magnetic field direction of the second magnetic means 22. Therefore, by virtue of the magnetic field intensity distribution characteristics of the magnetic devices, when the two magnetic devices are arranged in a collinear manner, the magnetic acting force generated between the two magnetic devices is the strongest, and the first part 11 and the second part 12 are ensured to have enough relative sliding acting force.

In some embodiments, at least one of the first magnetic means 21 and the second magnetic means 22 is an electromagnet.

Adopt motor drive among the correlation technique, but the motor has great noise, causes not good user experience, and the noise problem can be solved to this embodiment adoption electro-magnet. In addition, the strength of the electromagnetic ferromagnetism can be changed by changing the current and the number of turns of the coil, the existence of the magnetism can be controlled by controlling the on-off of the current, and the direction of the magnetic pole can be changed by changing the direction of the current. In the present embodiment, an electromagnet is provided in the housing 1, and by changing the direction of the current, the magnetic poles of the electromagnet are changed, so that the first portion 11 and the second portion 12 can be moved closer to or farther away from each other.

In some embodiments, second magnetic device 22 is an electromagnet and first magnetic device 21 is a neodymium-iron-boron permanent magnet.

Neodymium magnet (Neodymiummagnet), also called neodymium iron boron magnet (ndfeb magnet), is a tetragonal crystal formed by neodymium, iron and boron, has large coercive force and magnetic energy product, can not demagnetize for a long time, and ensures the reliability of long-term operation of a magnetic device.

As shown in connection with fig. 1, in some embodiments, there are two drive mechanisms 2; the two drive mechanisms 2 are arranged at intervals in the axial direction of the spool 4. Therefore, in the electronic device of the embodiment, the first part 11 and the second part 12 are uniformly stressed along the length direction of the housing 1, and the two parts can stably slide. The longitudinal direction of the housing 1 is the same as the axial direction of the spool 4.

As shown in connection with fig. 8, in some embodiments, the electronic device further includes: a positioning assembly 5; the positioning assembly 5 comprises a positioning rod 51 and a positioning block 52; the positioning block 52 is provided with a positioning hole 521, and the positioning rod 51 is arranged in the positioning hole 521 in a sliding manner; a positioning rod 51 is connected to one of the first and second portions 11, 12 and a positioning block 52 is connected to the other of the first and second portions 11, 12.

Alternatively, the positioning rod 51 may have a certain amount of damping before the positioning hole 521, and when the first part 11 and the second part 12 are relatively far away, the larger the length of the positioning rod 51 extending from the positioning hole 521, the larger the damping, and the larger the magnetic force required at this time. When one of the two magnetic devices is an electromagnet, according to the characteristic that the larger the current of the electromagnet, the larger the magnetic force, the larger the current of the electromagnet, the larger the current, the first part 11 and the second part 12 are kept away from each other because the magnetic force is larger than the damping force until the damping force is equal to the magnetic force, and the first part 11 and the second part 12 are maintained at the current position. Therefore, the electronic device of the present embodiment can control the distance that the first portion 11 and the second portion 12 are relatively far apart by controlling the current of the electromagnet, that is, can control the size of the display portion 31 of the flexible display 3.

As shown in connection with fig. 8 and 9, in some embodiments, the positioning assembly 5 further includes an identification circuit 53; the positioning rod 51 is provided with at least two conductive pieces 511, and the at least two conductive pieces 511 are arranged at intervals along the axial direction of the positioning rod 51; two conductive contacts 5211 are arranged in the positioning hole 521, and the two conductive contacts 5211 are respectively arranged at two ends of the identification circuit 53; when the conductive member 511 moves to a position of contact with the two conductive contacts 5211, the identification circuit 53 is turned on; the identification circuit 53 counts the count value of the conductive member 511 passing through the conductive contact 5211.

The conductive member 511 slides in the positioning hole 521 along with the positioning rod 51, when the conductive member 511 slides through the positioning hole 521, two conductive contacts 5211 can be instantly conducted, the current signal is captured by the identification circuit 53, the identification circuit 53 records or feeds back the number of the current signals, the number of the conductive members 511 passing through the positioning hole 521 can be calculated according to the number of the current signals, the length of the positioning rod 51 passing through the positioning hole 521 is further determined, and finally, the relative sliding distance between the first part 11 and the second part 12 is calculated.

Optionally, the at least two conductive members 511 uniformly partition the positioning rod 51 into at least three sections, and each section of the positioning rod 51 has the same length and corresponds to the first target value. The distance by which the first part 11 and the second part 12 slide relative to each other = first target value × count value of the conductive members 511.

Optionally, the at least two conductive members 511 unevenly divide the positioning rod 51 into at least three sections, and the length of each section of the positioning rod 51 corresponds to the second target value and the third target value … … nth target value, which are different from each other. Illustratively, the second target value corresponds to a relative sliding distance of the first portion 11 and the second portion 12 being 0, when the electronic device is in the initial state, and the nth target value corresponds to a relative sliding distance of the first portion 11 and the second portion 12 being the maximum, when the electronic device is in the extended state. The third target value corresponds to a relative sliding distance between 0 and the maximum between the first portion 11 and the second portion 12, when the electronic device is in the half-unfolded state.

It can be understood that the user can set the relative sliding distance between the first part 11 and the second part 12 corresponding to the second target value, the third target value … … and the nth target value by himself or herself, so as to meet the device use requirements of different scenarios.

Alternatively, at least two of the conductive members 511 have different conductive properties, and when different conductive members 511 pass through the conductive contact 5211, the identification circuit 53 receives different currents, and the different conductive members 511 are located at positions corresponding to specific distances between the first portion 11 and the second portion 12, or the different conductive members 511 are arranged at different positions of the positioning rod 51 according to the specific distances between the first portion 11 and the second portion 12. When the identification circuit 53 detects a specific current, the specific conductive member 511, and thus the specific distance between the first portion 11 and the second portion 12, can be determined according to the magnitude of the current.

Referring to fig. 8, in some embodiments, a limiting block 512 is disposed at the end of the positioning rod 51, and the limiting block 512 is used for limiting the positioning rod 51 sliding in the positioning hole 521. The stopper 512 is used to limit the limit positions of the first portion 11 and the second portion 12, and prevent the first portion 11 and the second portion 12 from sliding too far, which may cause a pulling damage to the flexible display 3.

In some embodiments, the electronic device further comprises a control module; the control module is configured to receive the relative sliding distance between the first portion 11 and the second portion 12, calculate a target count value according to the relative sliding distance, and control the at least one driving mechanism 2 to act until the count value fed back by the identification circuit 53 is equal to the target count value.

Alternatively, the user selects the size of the display portion 31 through the interface of the mobile phone, and the control module calculates the extending distance of the positioning rod 51 according to the size of the corresponding display portion 31, thereby determining the target count value of the conductive member 511 that needs to pass through the conductive contact 5211. The control module controls the electromagnet to be electrified and controls the increase of the driving current according to the calculation result, the magnetic force of the electromagnet is continuously increased along with the increase of the driving current, the positioning rod 51 is continuously extended, and the identification circuit 53 counts once when the conductive piece 511 passes through the conductive contact 5211 after the conductive piece is extended for a certain distance, and the current is not increased after the target counting value is reached. The control module controls the position where the current level, magnetic force and damping force are balanced, fixing the first part 11 and the second part 12 in this position.

As shown in connection with fig. 1, 4, in some embodiments, the reel 4 is provided with a return element 6; the return element 6 is intended to provide a return force when the first portion 11 and the second portion 12 slide relative to each other. The reel 4 always maintains a tendency to reel the flexible display screen 3 back to the surface of the reel 4 by the restoring force of the restoring member 6. When the first portion 11 and the second portion 12 are relatively far apart, the first end of the flexible display 3 overcomes the restoring force and pulls out the flexible display 3. When the first portion 11 and the second portion 12 are relatively close to each other, the first end of the flexible display 3 is subjected to a restoring force to move closer to the reel 4.

Due to the existence of the return element 6, the reel 4 always applies tension to the flexible display screen 3 through the second end of the flexible display screen 3, the unfolded part of the flexible display screen 3 is kept in a stretched and unfolded state, and the phenomenon that the surface of the flexible display screen 3 is uneven, such as folds, is prevented.

As shown in connection with fig. 1 and 4, in some embodiments, the return element 6 is a torsion spring, and the return element 6 is disposed at one axial end of the winding shaft 4 and is connected to the first portion 11. The torsion spring has the same diameter as the reel 4, is installed at one axial end of the reel 4, and is connected to the first portion 11 to apply restoring force to the reel 4 through the first portion 11. Of course, the restoring member 6 may be a member having elastic restoring force such as rubber.

It is also noted that, in the description of the present disclosure, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the description of the present specification, reference to the description of the terms "certain embodiments," "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a particular feature, structure, material, or characteristic described in connection with the embodiments or examples is included in at least one embodiment or example of the present disclosure.

The above description is only exemplary of the present disclosure and should not be taken as limiting the disclosure, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of protection of the present disclosure.

Claims (19)

1. An electronic device, characterized in that the electronic device comprises: the device comprises a shell (1), a driving mechanism (2), a flexible display screen (3) and a reel (4);

the housing (1) comprises a first portion (11) and a second portion (12);

said drive mechanism (2) comprising first magnetic means (21) and second magnetic means (22); the first magnetic means (21) are connected to the first portion (11), the second magnetic means (22) are connected to the second portion (12), the first magnetic means (21) and the second magnetic means (22) interact by magnetic force to slide the first portion (11) and the second portion (12) relative to each other.

2. The electronic device according to claim 1, wherein the first portion (11) has a first sidewall (111), the first sidewall (111) corresponding to a side of the display portion (31);

the first magnetic device (21) is arranged on the inner side surface of the first side wall (111), and the inner side surface of the first side wall (111) is the side surface of the first side wall (111) facing the second part (12).

3. Electronic device according to claim 2, characterized in that said first magnetic means (21) are arch-shaped, said first magnetic means (21) being arranged in an embedded manner on the inner side of said first side wall (111).

4. Electronic device according to claim 1, characterized in that the reel (4) is rotatably arranged in the first part (11);

the first end of the flexible display screen (3) is connected to the outer side face of the second portion (12), the second end of the flexible display screen is connected to the reel (4), and when the first portion (11) and the second portion (12) slide relatively, the reel (4) rotates to release or roll up the flexible display screen (3) so as to adjust the size of the display portion (31) of the flexible display screen (3).

5. The electronic device according to claim 4, characterized in that it further comprises a limiting drum (7); the limiting roller (7) is rotatably arranged in the first part (11) and is parallel to the reel (4);

the turning part (32) of the flexible display screen (3) is wound on the limiting roller (7); the turning part (32) is positioned between the display part (31) and the second end of the flexible display screen (3), and the first end and the second end of the flexible display screen (3) are both positioned on the same side of the limiting roller (7).

6. The electronic device according to claim 5, characterized in that the first magnetic means (21) are rotatably arranged inside the limiting drum (7), the first magnetic means (21) transmitting a force to the first part (11) through the limiting drum (7).

7. The electronic device according to claim 6, characterized in that the first magnetic means (21) are cylindrical elements, the axis of the first magnetic means (21) coinciding with the axis of the limiting drum (7).

8. An electronic device according to any of claims 1-7, characterized in that the second part (12) has a top plate (121), which top plate (121) is arranged at the non-display side of the display part (31) of the flexible display screen (3);

the second magnetic device (22) is arranged on the bottom surface of the top plate (121), and the bottom surface of the top plate (121) is the side surface of the top plate (121) departing from the display part (31).

9. The electronic device according to claim 8, wherein the top plate (121) comprises at least two support members (125) and a flexible member (126) connecting two adjacent support members (125);

the at least two support members (125) are arranged side by side;

the top plate (121) is used for supporting the display part (31) and stretching along the size change direction of the display part (31).

10. Electronic device according to any of claims 1-7, 9, characterized in that the direction of the internal magnetic field of the first magnetic means (21) is collinear with the direction of the internal magnetic field of the second magnetic means (22).

11. An electronic device according to any of claims 1-7, 9, characterized in that at least one of the first magnetic means (21) and the second magnetic means (22) is an electromagnet.

12. Electronic device according to claim 11, characterized in that said second magnetic means (22) are electromagnets and said first magnetic means (21) are neodymium-iron-boron permanent magnets.

13. The electronic device according to any of claims 1-7, 9, 12, wherein there are two drive mechanisms (2); the two driving mechanisms (2) are arranged at intervals along the axial direction of the reel (4).

14. The electronic device of any of claims 1-7, 9, and 12, further comprising: a positioning assembly (5); the positioning assembly (5) comprises a positioning rod (51) and a positioning block (52);

the positioning block (52) is provided with a positioning hole (521), and the positioning rod (51) is arranged in the positioning hole (521) in a sliding manner;

the positioning rod (51) is connected to one of the first part (11) and the second part (12), and the positioning block (52) is connected to the other of the first part (11) and the second part (12).

15. The electronic device according to claim 14, characterized in that the positioning assembly (5) further comprises an identification circuit (53);

the positioning rod (51) is provided with at least two conductive pieces (511), and the at least two conductive pieces (511) are arranged at intervals along the axial direction of the positioning rod (51);

two conductive contacts (5211) are arranged in the positioning hole (521), and the two conductive contacts (5211) are respectively arranged at two ends of the identification circuit (53);

when the conductive member (511) moves to a contact position with the two conductive contacts (5211), the identification circuit (53) is turned on; the identification circuit (53) counts the count value of the conductive member (511) passing through the conductive contact (5211).

16. The electronic device according to claim 14, wherein a stop block (512) is disposed at a distal end of the positioning rod (51), and the stop block (512) is used for limiting the positioning rod (51) when sliding in the positioning hole (521).

17. The electronic device of claim 15, further comprising a control module;

the control module is configured to receive a relative sliding distance between the first part (11) and the second part (12), calculate a target count value according to the relative sliding distance, and control the at least one driving mechanism (2) to act until the count value fed back by the identification circuit (53) is equal to the target count value.

18. Electronic device according to any of claims 1-7, 9, 12, 15-17, characterized in that the reel (4) is provided with a return element (6); the return element (6) is intended to provide a return force when the first portion (11) and the second portion (12) slide relative to each other.

19. Electronic device according to claim 18, characterized in that the return element (6) is a torsion spring, the return element (6) being arranged at one axial end of the reel (4) and being connected to the first portion (11).

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