CN109981935B

CN109981935B - Functional module, electronic device and control method of electronic device

Info

Publication number: CN109981935B
Application number: CN201711473265.3A
Authority: CN
Inventors: 贾玉虎
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2021-03-09
Anticipated expiration: 2037-12-28
Also published as: CN109981935A

Abstract

The application discloses functional block, electron device and electron device's control method, functional block includes base, slip module, actuating mechanism and drive mechanism, the slip module includes retractable ground sliding connection the slider of base with be fixed in the camera module of slider, actuating mechanism is including leading slide, magnetism slider and electromagnetic cylinder, it is equipped with the spiral chute to lead the slide, magnetism slider sliding connection in the spiral chute, the drive of electromagnetic cylinder the magnetism slider is followed the spiral chute slides, drive mechanism includes the elastic memory member, elastic memory member one end fixed connection magnetism slider, other end fixed connection the slider will the slip moment of magnetism slider transmits extremely the slider. The camera module and the electromagnetic cylinder of the driving mechanism are not in rigid contact, so that the camera module is prevented from being damaged by external impact acting force, and the safety is improved.

Description

Functional module, electronic device and control method of electronic device

Technical Field

The present disclosure relates to the field of electronic devices, and particularly, to a functional module, an electronic device, and a control method of the electronic device.

Background

At present, telescopic functional devices exist in mobile phones, and the functional devices can be cameras, receivers, flash lamps, photosensitive elements and the like. And the flexible actuating mechanism of drive function device and function device rigid connection, receive to fall under the impact or striking condition at the cell-phone, easily damage the rigid connection of function device and actuating mechanism, lead to function device and actuating mechanism all to receive the damage, reduced the security.

Disclosure of Invention

The application provides a functional assembly for improving safety, an electronic device and a control method of the electronic device.

The application provides a functional assembly, wherein, functional assembly includes base, slip module, actuating mechanism and drive mechanism, the slip module includes telescopic ground sliding connection the slider of base and is fixed in the camera module of slider, actuating mechanism includes leading slide, magnetism slider and electromagnetic cylinder, it is fixed in on the base to lead the slide to be equipped with the spiral chute, the spiral chute has the inserted hole towards the slider, magnetism slider sliding connection in the spiral chute, the electromagnetic cylinder cover is located lead the slide outside, drive the magnetism slider along the spiral chute slides, drive mechanism includes the elastic memory member, elastic memory member one end is passed through the inserted hole inserts in the spiral chute, fixed connection the magnetism slider, other end fixed connection the slider, transmitting the sliding moment of the magnetic slider to the slider.

The application further provides an electronic device, wherein the electronic device comprises the functional assembly, the electronic device further comprises a display screen fixedly connected with the base, and the sliding direction of the sliding part is parallel to the display screen.

The application also provides a control method of the electronic device, wherein the electronic device comprises a base, a sliding module, a driving mechanism and a transmission mechanism, the sliding module comprises a sliding piece which can slide in the base in a telescopic manner and a camera module which is fixed on the sliding piece, the driving mechanism comprises a guide sliding seat, a magnetic sliding block and an electromagnetic cylinder, the guide sliding seat is fixed on the base and is provided with a spiral sliding groove, the spiral sliding groove is provided with an insertion hole facing the sliding piece, the magnetic sliding block is connected in the spiral sliding groove in a sliding manner, the electromagnetic cylinder is sleeved outside the guide sliding seat, the transmission mechanism comprises an elastic memory rod piece, one end of the elastic memory rod piece is inserted into the spiral sliding groove through the insertion hole, the magnetic sliding block is fixedly connected, and the other end of the elastic memory rod is fixedly connected with;

the control method of the electronic device comprises the following steps:

the electronic device receives an extension signal, and controls the electromagnetic cylinder of the driving mechanism to drive the magnetic sliding block to slide towards the insertion opening along the spiral guide chute according to the extension signal, so that the magnetic sliding block pushes the sliding piece to extend relative to the base through the elastic memory rod piece;

the electronic device receives a contraction signal, and the electronic device controls the driving mechanism to drive the magnetic sliding block to slide towards the direction far away from the insertion opening along the spiral guide chute according to the contraction signal, so that the magnetic sliding block pulls the sliding piece to contract relative to the base through the elastic memory rod piece.

The application provides a functional block, electron device and electron device's control method, through actuating mechanism's electromagnetism section of thick bamboo drive the magnetism slider is followed the spiral chute slides, drives elasticity memory member transmits sliding torque extremely the slider makes the camera module along with the slider is relative the base is flexible, the camera module with actuating mechanism's electromagnetism section of thick bamboo is not the rigid contact, prevents the camera module from suffering external impact effort damage, has improved the security.

Drawings

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

FIG. 1 is a schematic diagram of functional components provided by an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a functional assembly provided in an embodiment of the present application in another state;

FIG. 4 is another schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 5 is another schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 6 is another schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 7 is another schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 8 is another schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 9 is another schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 10 is another schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 11 is another schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 12 is another schematic cross-sectional view of a functional assembly provided by an embodiment of the present application;

FIG. 13 is a schematic diagram of an electronic device provided by an embodiment of the present application;

fig. 14 is a schematic cross-sectional view of an electronic device provided by an embodiment of the present application;

fig. 15 is a flowchart illustrating a control method of an electronic device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present disclosure.

In the description of the embodiments of the present application, it should be understood that the terms "thickness" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, and do not imply or indicate that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.

Referring to fig. 1, the present application provides a functional assembly 100, wherein the functional assembly 100 includes a base 10, a sliding module 20, a driving mechanism 30 and a transmission mechanism 40. The sliding module 20 comprises a sliding member 21 telescopically slidably connected to the base 10 and at least one functional device 22 fixed to the sliding member 21. The driving mechanism 30 includes a slide guide 31, a magnetic slider 32, and an electromagnetic cylinder 33. The slide guiding device 31 is fixed on the base 10 and has a spiral sliding slot 311, and the spiral sliding slot 311 has an insertion opening 312 facing the sliding member 21. The magnetic slider 32 is slidably connected in the spiral chute 311. The electromagnetic cylinder 33 is sleeved outside the guide slide 31 and drives the magnetic slide block 32 to slide along the spiral slide slot 311. The transmission mechanism 40 includes an elastic memory rod 41, one end of the elastic memory rod 41 is inserted into the spiral sliding groove 311 through the insertion opening 312, and is fixedly connected to the magnetic slider 32, and the other end of the elastic memory rod is fixedly connected to the sliding member 21, so as to transmit the sliding torque of the magnetic slider 32 to the sliding member 21. It is understood that the functional assembly 100 can be applied to an electronic device, which can be a mobile phone, a notebook computer or a tablet computer.

The magnetic slider 32 is driven by the electromagnetic cylinder 33 of the driving mechanism 30 to slide along the spiral chute 311, so as to drive the elastic memory rod 41 to transmit a sliding moment to the sliding part 21, so that the at least one functional device 22 extends and retracts relative to the base 10 along with the sliding part 21, the at least one functional device 22 is not in rigid contact with the electromagnetic cylinder 33 of the driving mechanism 30, the at least one functional device 22 is prevented from being damaged by external impact force, and the safety is improved.

Referring to fig. 2 and 3, in the present embodiment, the base 10 is provided with a receiving cavity 11, and an opening of the receiving cavity 11 faces to a direction substantially perpendicular to the sliding direction of the sliding module 20. The base 10 further has a telescopic hole 12 penetrating through the inner side wall of the accommodating cavity 11. The telescopic hole 12 is used for the sliding and telescopic of the sliding piece 21. The housing chamber 11 houses the drive mechanism 30 and the transmission mechanism 40. The base 10 protects the driving mechanism 30 and the transmission mechanism 40.

In this embodiment, the sliding member 21 includes a first sliding end 211 and a second sliding end 212 opposite to the first sliding end 211. The first sliding end 211 slides in the accommodating cavity 11. The first sliding end 211 slides to the telescopic hole 12, and the second sliding end 212 slides out of the accommodating cavity 11 to drive the at least one functional device 22 to extend out relative to the base 10. The first sliding end 211 slides to a position far away from the telescopic hole 12, and the second sliding end 212 slides into the accommodating cavity 11 to drive the at least one functional device 22 to contract relative to the base 10. The first sliding end 211 is rotatably connected to the first link 41. The second sliding end 212 is provided with a receiving groove 213, and the opening direction of the receiving groove 213 is substantially parallel to the opening direction of the receiving cavity 11. The accommodating groove 213 accommodates the at least one functional device 22.

In the present embodiment, the guide slider 31 has a cylindrical shape. The axial direction of the guide slider 31 is parallel to the opening direction of the accommodating cavity 11. The area of the base 10 occupied by the guide slider 31 is reduced. The guiding slide 31 comprises a bottom end 313 fixedly connected with the base 10 and a top end 314 arranged opposite to the bottom end 313. The spiral chute 311 extends from the bottom end 313 to the top end 314. The spiral sliding groove 311 guides the magnetic slider 32 in a sliding manner, and increases the sliding stroke of the magnetic slider 32 to increase the sliding stroke of the slider 21 and reduce the usage space of the driving mechanism 30 in the base 10. The insertion opening 312 is disposed at the top end 314. The insertion port 312 is oriented in parallel with the sliding direction of the slider 21 with respect to the base 10. The insertion opening 312 is used for inserting the elastic memory rod 41, so that the sliding moment of the magnetic slider 32 is transmitted to the elastic memory rod 41. Of course, in other embodiments, the insertion opening 312 may be provided at the bottom end 313.

In the present embodiment, the magnetic slider 32 is a permanent magnet. The magnetic slider 32 slides along the spiral sliding groove 311 under the magnetic force of the electromagnetic cylinder 33. The magnetic slider 32 is subjected to a magnetic force in a direction parallel to the axial direction of the guide slider 31. The magnetic slider 32 slides along the spiral sliding groove 311 by a component force in the extending direction of the spiral sliding groove 311. The magnetic slider 32 slides to the bottom end 313 to drive the elastic memory rod 41 to contract in the spiral sliding slot 311, and the elastic memory rod 41 pulls the sliding member 21 to contract relative to the base 10. The magnetic slider 32 slides to the top end 314, and drives the elastic memory rod 41 to expand outside the spiral chute 311, and the elastic memory rod 41 pushes the sliding member 21 to extend out relative to the base 10.

In the present embodiment, a magnetic field is formed inside the electromagnetic cylinder 33 in a direction parallel to the axial direction of the guide slider 31, and a magnetic force is applied to the magnetic slider 32 in a direction parallel to the axial direction of the guide slider 31. The magnetic field inside the electromagnetic cylinder 33 completely covers the slide guide 31. When the electromagnetic cylinder 33 receives different electric signals, two different magnetic properties can be presented, so that the direction of the magnetic force applied to the magnetic slider 32 is also different. When the electromagnetic cylinder 33 applies a magnetic force to the magnetic slider 32 from the top end 314 toward the bottom end 313, the magnetic slider 32 slides along the spiral sliding slot 311 toward the bottom end 313, and the sliding member 21 contracts relative to the base 10. When the electromagnetic cylinder 33 applies a magnetic force to the magnetic slider 32 from the bottom end 313 toward the top end 314, the magnetic slider 32 slides along the spiral sliding slot 311 toward the top end 314, and the sliding member 21 extends relative to the base 10.

In this embodiment, the elastic memory rod 41 has elastic deformation performance. The elastic memory rod 41 can be retracted into the spiral sliding slot 311 under the driving of the magnetic slider 32. The portion of the elastic memory rod 41 located inside the spiral sliding groove 311 is bent along the spiral sliding groove 311. The elastic memory rod 41 is in a linear expansion state at a portion located outside the spiral sliding groove 311, and a push-pull force is applied to the sliding member 21 at a portion located outside the spiral sliding groove 311 of the elastic memory rod 41.

Further, referring to fig. 4, the electromagnetic cylinder 33 includes a metal sleeve 331 sleeved on the sliding guide 31 and an electromagnetic coil 332 wound around the metal sleeve 331.

In the present embodiment, the center axis of the inside of the metal sleeve 331 coincides with the center axis of the guide slider 21. The guide slider 31 is inserted inside the electromagnetic cylinder 33. The guide slide 31 is made of non-metal material. The top end 314 of the sliding guide 31 is exposed out of the metal sleeve 331, so that the insertion port 312 is located outside the metal sleeve 331, and the elastic memory rod 41 is prevented from interfering with the metal sleeve 331. The electromagnetic coil 332 covers the spiral sliding groove 311, so that the magnetic slider 32 slides in the spiral sliding groove 311. The electromagnetic coil 332 is located outside the metal sleeve 311, so that the electromagnetic coil 332 and the metal sleeve 331 are structurally stable, and the electromagnetic coil 332 and the metal sleeve 331 are conveniently assembled.

In another embodiment, referring to fig. 5, the electromagnetic coil 332 is wound around the inner side of the metal sleeve 331, and the electromagnetic coil 332 is wound around the inner circumferential sidewall of the metal sleeve 331. The electromagnetic coil 332 is arranged around the guide carriage 21 such that the magnetic slider 32 is located within the magnetic field of the electromagnetic coil 332.

Further, referring to fig. 6, a wire slot 333 is formed in an outer peripheral side wall of the metal sleeve 331, and the electromagnetic coil 332 is wound in the wire slot 333.

In this embodiment, the wire groove 333 extends in the circumferential direction on the metal sleeve 331. The width of the wire slot 333 is substantially equal to the height of the screw chute 311. The electromagnetic coils 332 are looped side-by-side within the wire chase 333. The electromagnetic coil 332 is positioned in the wire slot 333, so that the volume of the electromagnetic cylinder 33 is reduced, and the space utilization rate in the base 10 is increased. The electromagnetic coil 332 is firmly clamped in the wire slot 33, so that the structural stability of the electromagnetic coil 332 and the metal sleeve 331 is improved.

Further, referring to fig. 7, the inner sidewall of the metal sleeve 331 is attached to the outer sidewall of the sliding guide 21. There is no gap between the inner side wall of the metal sleeve 331 and the guide slide 21, so that the magnetic field inside the metal sleeve 331 is more concentrated, and the driving force of the magnetic field inside the metal sleeve 331 to the magnetic slider 32 is increased. The metal sleeve 331 and the guide slide 21 have stable structures, and the area of the base 10 occupied by the metal sleeve 331 and the guide slide 21 is reduced.

Further, referring to fig. 8, a leakage opening 315 is disposed at an end of the spiral chute 311 away from the insertion opening 312, the metal sleeve 331 is disposed with a through groove 334 communicated with the leakage opening 315, and the through groove 334 is used for introducing airflow into the spiral chute 311 through the leakage opening 315.

In this embodiment, the leakage hole 315 is disposed in the base 313. When the magnetic slider 32 slides along the spiral sliding groove 311 toward the insertion port 312, the leakage port 315 draws an air flow through the through groove 334, so that the magnetic slider 32 can slide conveniently. When the magnetic slider 32 slides along the spiral sliding groove 311 away from the insertion port 312, the air flow is discharged from the leakage port 315 through the through groove 334, so that the magnetic slider 32 can slide conveniently. The outer peripheral side wall of the magnetic slider 32 is in clearance fit with the inner peripheral side wall of the spiral sliding groove 311, and the guiding accuracy of the magnetic slider 32 is improved due to the spiral sliding groove 311.

Further, referring to fig. 9 and 10, a lubricant layer 316 is attached to an inner side wall of the spiral chute 311. The lubricating layer 316 is attached to the magnetic slider 32, so that the friction between the lubricating layer 316 and the magnetic slider 32 is reduced, the sliding speed of the magnetic slider 32 in the spiral sliding groove 311 is increased, and the sliding speed of the slider 21 is increased.

Further, referring to fig. 11, the guiding sliding seat 31 includes an outer cylinder 317 and an inner cylinder 318, and an inner peripheral sidewall of the outer cylinder 317 is provided with a first semi-spiral groove 311 a. The inner cylinder 318 is inserted into the outer cylinder 317. The outer peripheral side wall of the inner cylinder 318 is provided with a second half spiral groove 311 b. The first half spiral groove 311a and the second half spiral groove 311b are spliced together to form the spiral chute 311.

In this embodiment, the first semi-spiral groove 311a is formed by machining with a numerically controlled milling machine. The first semi-spiral groove 311a has an opening on the inner circumferential sidewall of the outer cylinder 317, which facilitates the processing and forming of the first semi-spiral groove 311 a. And the second half spiral groove 311b is formed by machining through a numerical control milling machine. The second half spiral groove 311b has an opening in the outer peripheral wall of the inner cylinder 318, which facilitates the processing and forming of the second half spiral groove 311 b. The outer cylinder 317 and the inner cylinder 318 are tightly fitted, so that there is no break difference between the first half spiral groove 311a and the second half spiral groove 311b, so as to improve the smoothness of the magnetic slider 32 in the spiral sliding groove 311.

Further, referring to fig. 12, the base 10 is provided with a guide slot 13, and the sliding member 21 is slidably connected in the guide slot 13.

In the present embodiment, the guide groove 13 slidably guides the slider 21. The guide groove 13 is opened at the bottom of the accommodating cavity 11. The guide groove 13 is located between two ribs at the bottom of the accommodating cavity 11. The guide groove 13 extends to the telescopic hole 12. The outer side wall of the slide 21 is in clearance fit with the inner side wall of the guide groove 13. The guide groove 13 has an opening facing the receiving cavity 11 to facilitate the insertion of the slider 21 into the guide groove 13. The base 10 is provided with a limit block 14 at a position where the guide groove 13 is far away from the telescopic hole 12, and the limit block 14 limits the sliding part 21. When the sliding member 21 drives the at least one functional device 22 to retract to the base 10, the second sliding end 212 of the sliding member 21 abuts against the limiting block 14, so as to prevent the sliding member 21 from further sliding relative to the base 10, thereby achieving stable structure.

In this embodiment, the at least one functional device 22 may be any one or more combinations of functional devices such as a camera module, an iris recognition module, a face recognition module, a flash lamp, a microphone, a receiver, a photoreceptor, a fingerprint module, and a key. The at least one functional device 22 may also be a combination of multiple camera modules, multiple fingerprint recognition modules, and multiple flash lights. The at least one functional device 22 is isolated from each other on the slide 21. The at least one functional device 22 slides along with the sliding member 21 to a state of being contracted with the base 10, and the at least one functional device 22 is accommodated in the accommodating cavity 11. The at least one functional device 22 is hidden from view by the base 10 such that the user cannot view the at least one functional device 22, resulting in a compact appearance of the functional assembly 100. When the at least one functional device 22 slides along with the sliding member 21 to a state where the at least one functional device 22 extends out of the base 10, the at least one functional device 22 is arranged side by side with the base 10, so that a user can use the functional assembly 100 conveniently, and the operation experience is improved.

Referring to fig. 13 and fig. 14, the present application further provides an electronic device 200, wherein the electronic device 200 includes the functional component 100. The electronic device 200 further includes a display screen 50 fixedly connected to the base 10, and the sliding direction of the sliding member 21 is parallel to the display screen 50.

In this embodiment, the display screen 50 is covered with the base 10. The base 10 is a back shell of the electronic device 200. The housing cavity 11 is used for fixing an electronic device, which can be a battery, a mainboard, a central controller and the like. The display screen 50 covers the containing cavity 11. The at least one function device 22 can slide with the slider 21 to a state of being stacked or spread with the display screen 50. It can be understood that the at least one functional device 22 slides to the position overlapping with the display screen 50 along with the sliding member 21, the sliding member 21 is accommodated between the display screen 50 and the base 10, and the functional device 22 is covered by the display screen 50, so that the electronic device 100 is convenient for a user to carry, the display area and the display area of the display screen 50 are increased, and the user experience is increased. The functional device 22 slides with the sliding member 21 to a position where the functional device is unfolded relative to the display screen 50, and the functional device 22 is exposed from one side of the display screen 50, so that a corresponding function is realized. The electronic device 200 may be a mobile phone, a tablet computer, a notebook computer, etc.

In this embodiment, the display screen 50 is a full-screen. The display screen 50 has a rectangular plate shape. The display screen 50 has a first short side 51 and a second short side 52 arranged opposite to the first short side 51, and two oppositely arranged long sides 53 connected between the first short side 51 and the second short side 52. The first short side 51 is adjacent to the slide 21. The display screen 50 is provided with an extremely narrow non-display area 54 near the first short edge 61 and near the second short edge 52, the non-display area 54 forms a narrow edge of the display screen 50, and the non-display area 54 is only used for providing a driving cable for the display screen 50 so as to realize that the display screen 50 displays pictures. The display screen 50 also has a display area 55 connected to the non-display area 54. When the sliding member 21 slides the at least one functional device 22 into a position stacked with respect to the display screen 50, the display area 55 partially or completely covers the at least one functional device 22, so as to increase the occupation ratio of the display area 55 on the display screen 50. The Display screen 50 may be a Liquid Crystal Display (LCD) or an organic light-emitting Display (OLED).

Referring to fig. 15, the present application further provides a control method of an electronic device, which is applied to the electronic device 200. The control method of the electronic device comprises the following steps:

101: the electronic device 200 receives the extension signal, and the electronic device 200 controls the electromagnetic cylinder 33 of the driving mechanism 30 to drive the magnetic slider 32 to slide along the spiral sliding slot 311 toward the insertion port 312 according to the extension signal, so that the magnetic slider 32 pushes the sliding member 21 to extend relative to the base 10 through the elastic memory rod 41. The sliding part 21 drives the at least one functional device 22 to extend out of the base 10, so that the at least one functional device 22 is convenient to interact with a user.

102: the mobile terminal 200 receives a contraction signal, and the electronic device 200 controls the electromagnetic cylinder 33 of the driving mechanism 30 to drive the magnetic slider 32 to slide along the spiral chute 311 toward and away from the insertion port 312 according to the contraction signal, so that the magnetic slider 32 pulls the slider 21 to contract relative to the base 10 through the elastic memory rod 41. The sliding member 21 drives the at least one functional device 22 to be retracted into the base 10, and the at least one functional device 22 is hidden in the base 10, so that the electronic device 200 has a simplified appearance structure.

It can be understood that the electronic device 200 receives the extending signal and the retracting signal through a touch display screen, a receiver, a photosensitive element, a flash lamp, and the like, and controls the electromagnetic cylinder 33 of the driving mechanism 30 to apply a magnetic force to the magnetic slider 32 through the central controller, so that the magnetic slider 32 slides.

The foregoing is an implementation of the embodiments of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the embodiments of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.

Claims

1. A functional assembly is characterized by comprising a base, a sliding module, a driving mechanism and a transmission mechanism, wherein the sliding module comprises a sliding part which is telescopically connected with the base in a sliding manner and a camera module which is fixed on the sliding part, the driving mechanism comprises a guide sliding seat, a magnetic sliding block and an electromagnetic cylinder, the guide sliding seat is fixed on the base and is provided with a spiral sliding groove, the spiral sliding groove is provided with an insertion hole facing the sliding part, the magnetic sliding block is connected in the spiral sliding groove in a sliding manner, the electromagnetic cylinder is sleeved outside the guide sliding seat and drives the magnetic sliding block to slide along the spiral sliding groove, the transmission mechanism comprises an elastic memory rod piece, one end of the elastic memory rod piece is inserted into the spiral sliding groove through the insertion hole and is fixedly connected with the magnetic sliding block, and the other end of the elastic memory rod is fixedly connected with the, transmitting the sliding moment of the magnetic slider to the slider.

2. The functional module according to claim 1, wherein the electromagnetic cylinder includes a metal sleeve sleeved on the sliding guide and an electromagnetic coil wound around the metal sleeve.

3. The functional assembly according to claim 2, wherein the peripheral side wall of the metal sleeve is provided with a wire groove, and the electromagnetic coil is wound in the wire groove.

4. The functional assembly of claim 2, wherein the metal sleeve inner sidewall abuts the guide carriage outer peripheral sidewall.

5. The functional assembly according to claim 4, wherein a leakage opening is provided at an end of the spiral chute away from the insertion opening, and the metal sleeve is provided with a through groove communicating with the leakage opening, and the through groove is used for introducing airflow into the spiral chute through the leakage opening.

6. The functional module according to any one of claims 1 to 5, wherein a lubricating layer is attached to an inner side wall of the spiral chute.

7. The functional component according to any one of claims 1 to 5, wherein the guide slide comprises an outer cylinder and an inner cylinder, the inner circumferential side wall of the outer cylinder is provided with a first half spiral groove, the inner cylinder is inserted into the inner side of the outer cylinder, the outer circumferential side wall of the inner cylinder is provided with a second half spiral groove, and the first half spiral groove and the second half spiral groove are jointly spliced into the spiral sliding groove.

8. The functional assembly according to any one of claims 1 to 5, wherein the base is provided with a guide slot, and the sliding member is slidably connected in the guide slot.

9. The functional module according to any one of claims 1 to 5, wherein the sliding member includes a first sliding end fixedly connected to the elastic memory rod member and a second sliding end disposed opposite to the first sliding end, and the camera module is fixed to the second sliding end.

10. The functional assembly according to claim 9, wherein the second sliding end has a receiving slot, and the camera module is fixed in the receiving slot.

11. The functional module according to claim 10, wherein at least one of an iris recognition module, a face recognition module, a fingerprint recognition module, a flashlight, a photosensor, a receiver and a transmitter is further fixed in the receiving cavity.

12. An electronic device, comprising the functional assembly of any one of claims 1 to 11, and a display screen fixedly connected to the base, wherein the sliding direction of the sliding member is parallel to the display screen.

13. The electronic device of claim 12, wherein the display screen has a display area, and the sliding member slides to a state of being overlapped with the display screen, and the display area partially covers or completely covers the camera module.

14. The electronic device of claim 12, wherein the display screen has a non-display area, the non-display area forming a narrow edge.

15. The electronic device of claim 12, wherein the base has a cavity, and the display covers the cavity.

16. The control method of the electronic device is characterized in that the electronic device comprises a base, a sliding module, a driving mechanism and a transmission mechanism, wherein the sliding module comprises a sliding piece which can slide on the base in a telescopic manner and a camera module which is fixed on the sliding piece, the driving mechanism comprises a guide sliding seat, a magnetic sliding block and an electromagnetic cylinder, the guide sliding seat is fixed on the base and is provided with a spiral sliding groove, the spiral sliding groove is provided with an insertion hole facing the sliding piece, the magnetic sliding block is connected into the spiral sliding groove in a sliding manner, the electromagnetic cylinder is sleeved outside the guide sliding seat, the transmission mechanism comprises an elastic memory rod piece, one end of the elastic memory rod piece is inserted into the spiral sliding groove through the insertion hole and is fixedly connected with the magnetic sliding block, and the other end of the elastic memory rod is fixedly;

the control method of the electronic device comprises the following steps:

the electronic device receives an extension signal, and controls the electromagnetic cylinder of the driving mechanism to drive the magnetic sliding block to slide towards the insertion opening along the spiral sliding groove according to the extension signal, so that the magnetic sliding block pushes the sliding piece to extend relative to the base through the elastic memory rod piece;

the electronic device receives a contraction signal, and the electronic device controls the driving mechanism to drive the magnetic sliding block to slide towards the direction far away from the insertion opening along the spiral sliding groove according to the contraction signal, so that the magnetic sliding block pulls the sliding piece to contract relative to the base through the elastic memory rod piece.