CN113676568B - Electronic equipment - Google Patents
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- CN113676568B CN113676568B CN202110880251.3A CN202110880251A CN113676568B CN 113676568 B CN113676568 B CN 113676568B CN 202110880251 A CN202110880251 A CN 202110880251A CN 113676568 B CN113676568 B CN 113676568B
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- mechanisms
- shell part
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- 230000007246 mechanism Effects 0.000 claims abstract description 158
- 230000005540 biological transmission Effects 0.000 claims abstract description 75
- 230000033001 locomotion Effects 0.000 claims description 15
- 230000008602 contraction Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 238000005299 abrasion Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Transmission Devices (AREA)
Abstract
The application discloses electronic equipment, which comprises an equipment shell, a flexible display screen and a driving device; the device shell comprises a first shell part and a second shell part, the flexible display screen is arranged on the first shell part and the second shell part, the flexible display screen is in an unfolding state and a shrinking state, and the first shell part and the second shell part can relatively move, so that the flexible display screen can be switched between the unfolding state and the shrinking state; the driving device is arranged in the equipment shell and is used for driving the first shell part and the second shell part to move relatively; the driving device comprises a driving source, a transmission mechanism and at least two driving mechanisms; the driving source is connected with one of the first shell part and the second shell part, at least two driving mechanisms are connected with the other one of the first shell part and the second shell part, at least two driving mechanisms are connected with the same driving source through a transmission mechanism, and the driving mechanisms are ball screw mechanisms. The electronic equipment expansion and contraction can be solved, and the problem of poor user experience can be solved.
Description
Technical Field
The application relates to the technical field of communication equipment, in particular to electronic equipment.
Background
With the development of electronic devices, users have increasingly higher requirements on the display effect of the electronic devices, and larger screens can display more contents, but the electronic devices also have larger volumes. The flexible display screen is a bendable and curled screen technology, the flexible display screen can provide more usable modes for the electronic equipment, the electronic equipment can be switched between an unfolding state and a shrinking state, the electronic equipment has a larger display area when the electronic equipment is in the unfolding state, and the electronic equipment has a more reasonable size when the electronic equipment is in the shrinking state. A plurality of motors can be arranged in the electronic equipment to drive the flexible display screen to expand and contract, but the rotation parameters of the motors cannot be completely consistent, so that uneven stress can be caused in the expansion and contraction process, the expansion and contraction are unstable, and the user experience is poor.
Disclosure of Invention
The application discloses electronic equipment to solve electronic equipment and expand and shrink unstably, user experience's problem relatively poor.
In order to solve the problems, the application adopts the following technical scheme:
an electronic device comprises a device housing, a flexible display screen and a driving device;
the device housing comprises a first housing part and a second housing part, the flexible display screen is arranged on the first housing part and the second housing part, the flexible display screen has an unfolding state and a shrinking state, and the first housing part and the second housing part can relatively move so that the flexible display screen can be switched between the unfolding state and the shrinking state;
the driving device is arranged in the equipment shell and is used for driving the first shell part and the second shell part to move relatively;
the driving device comprises a driving source, a transmission mechanism and at least two driving mechanisms; the driving source is connected with one of the first shell part and the second shell part, at least two driving mechanisms are connected with the other one of the first shell part and the second shell part, at least two driving mechanisms are connected with the same driving source through the transmission mechanism, and the driving mechanisms are ball screw mechanisms.
The technical scheme that this application adopted can reach following beneficial effect:
by adopting the electronic equipment, the driving device can drive the first shell part and the second shell part to relatively move so as to adjust the distance between the first shell part and the second shell part, so that the flexible display screen can be switched between an unfolding state and a shrinking state, and therefore, the flexible display screen not only can have a larger display area when in use, but also can have a more reasonable volume when in storage; the electronic equipment comprises at least two driving mechanisms, and the at least two driving mechanisms can uniformly drive the first shell part and the second shell part to relatively move, so that the first shell part and the second shell part are uniformly stressed in the driven process, and the unfolding and shrinking processes are stable; the at least two driving mechanisms are connected with the same driving source through the transmission mechanism, the at least two driving mechanisms are driven by the same driving source, and the at least two driving mechanisms are used for driving the first shell part and the second shell part to move relatively, so that the driving sources of the at least two driving mechanisms are identical, the driving forces of the driving mechanisms are identical, and the problems that when the driving mechanisms are respectively driven by a plurality of driving sources, the stress is uneven in the expanding and contracting processes, the expanding and contracting are unstable and the user experience is poor due to the fact that the differences among the driving sources exist are avoided; the driving mechanism adopts a ball screw mechanism, so that the transmission precision is high, the transmission efficiency is high, the transmission is stable, and the abrasion and noise are small.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a structural diagram of an electronic device in an embodiment of the present application;
FIG. 2 is an exploded view of an electronic device in an embodiment of the present application;
FIG. 3 is a partial block diagram of a driving device according to an embodiment of the present application;
fig. 4 is a partial structural view of a driving device in the embodiment of the present application.
Reference numerals illustrate:
100-device housing, 110-first housing portion, 111-first projection, 112-second recess, 120-second housing portion, 121-second projection, 122-second recess, 130-first side edge, 140-second side edge,
200-flexible display screen,
300-drive, 310-drive source, 311-drive shaft, 312-drive motor, 320-transmission mechanism, 321-transmission shaft, 322-driven shaft, 323-universal joint, 324-first gear, 325-second gear, 330-drive mechanism, 331-lead screw, 3311-first lead screw, 3312-second lead screw, 332-thread bush, 3321-first thread bush, 3322-second thread bush, 340-mounting bracket.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The following describes in detail the technical solutions disclosed in the embodiments of the present application with reference to the accompanying drawings.
As shown in fig. 1 to 4, an embodiment of the present application provides an electronic apparatus including an apparatus case 100, a flexible display screen 200, and a driving device 300.
The device case 100 is a basic component of the electronic device, and the device case 100 can provide a mounting base for other constituent components of the electronic device, while the device case 100 can protect the other constituent components.
The device housing 100 includes a first housing portion 110 and a second housing portion 120, the first housing portion 110 and the second housing portion 120 being relatively movable, the flexible display screen 200 being disposed on the first housing portion 110 and the second housing portion 120, the flexible display screen 200 having an expanded state and a contracted state, the first housing portion 110 and the second housing portion 120 being relatively distant or relatively close to each other to switch the flexible display screen 200 between the expanded state and the contracted state. Specifically, the first housing portion 110 and the second housing portion 120 may be relatively far away from the flexible display screen 200 to be in an expanded state, and at this time, the electronic device may have a larger display area, and the first housing portion 110 and the second housing portion 120 may be relatively close to be in a contracted state, and at this time, the electronic device has a smaller display area, so that the electronic device is convenient to operate and carry.
The flexible display screen 200 is disposed on the first housing portion 110 and the second housing portion 120, specifically, a first end of the flexible display screen 200 is connected to the first housing portion 110, a second end of the flexible display screen 200 is connected to the second housing portion 120, the first end of the flexible display screen 200 is movable along with the movement of the first housing portion 110, and the second end of the flexible display screen 200 is movable along with the movement of the second housing portion 120, so that when the first housing portion 110 moves relative to the second housing portion 120, the first end of the flexible display screen 200 is also moved relative to the second end of the flexible display screen 200, thereby changing the distance between the first end and the second end of the flexible display screen 200 and also changing the display area of the flexible display screen 200.
The first end of the flexible display screen 200 may be received in the first housing portion 110, or may extend from the first housing portion 110, and/or the second end of the flexible display screen 200 may be received in the second housing portion 120, or may extend from the second housing portion 120, in a wide variety of manners, such as by a spool, which is not limited in this application.
In this embodiment, the driving device 300 is disposed in the device housing 100, and the driving device 300 is configured to drive the first housing portion 110 and/or the second housing portion 120 to move, so that the first housing portion 110 and the second housing portion 120 move relatively, and can be relatively close to or relatively far away from each other to adjust the distance between the first housing portion 110 and the second housing portion 120.
The driving device 300 is connected to the first housing part 110 and/or the second housing part 120, and the driving device 300 drives the first housing part 110 and/or the second housing part 120 to move such that the first housing part 110 is relatively close to or relatively far from the second housing part 120 to adjust the distance between the first housing part 110 and the second housing part 120.
Specifically, the driving apparatus 300 includes a driving source 310, a transmission mechanism 320, and at least two driving mechanisms 330. The driving source 310 is connected to one of the first housing part 110 and the second housing part 120, at least two driving mechanisms 330 are connected to the other of the first housing part 110 and the second housing part 120, at least two driving mechanisms 330 are connected to the same driving source 310 through a transmission mechanism 320, and the driving mechanisms 330 are ball screw mechanisms.
The electronic device comprises at least two driving mechanisms 330, and the at least two driving mechanisms 330 can uniformly drive the first shell part 110 and the second shell part 120 to relatively move, so that the first shell part 110 and the second shell part 120 are uniformly stressed in the driven process, and the unfolding and shrinking processes of the flexible display screen 200 are stable; at least two driving mechanisms 330 are connected with the same driving source 310 through a transmission mechanism 320, the at least two driving mechanisms 330 are driven by the same driving source 310, and then the at least two driving mechanisms 330 drive the first shell part 110 and the second shell part 120 to move relatively, so that the driving sources 310 of the at least two driving mechanisms 330 are identical, the driving forces of the driving mechanisms 330 are identical, and the problems that when the driving mechanisms are respectively driven by a plurality of driving sources, the stress is uneven in the unfolding and the shrinking processes due to the difference among the driving sources, the unfolding and the shrinking are unstable and the user experience is poor are avoided; the driving mechanism 330 adopts a ball screw mechanism, and has high transmission precision, high transmission efficiency, stable transmission, and low abrasion and noise.
In this embodiment, the driving source 310 includes a driving motor 312 and a driving shaft 311, the driving motor 312 is connected to one of the first housing portion 110 and the second housing portion 120, the driving shaft 311 is connected to the driving motor 312, and at least two driving mechanisms 330 are connected to the driving shaft 311 through a transmission mechanism 320.
The driving motor 312 provides driving force to the entire driving apparatus 300, the driving motor 312 is connected to one of the first and second housing parts 110 and 120, the driving force of the driving motor 312 is transmitted to at least two driving mechanisms 330 through a transmission mechanism 320, and the other of the first and second housing parts 110 and 120 is driven by the at least two driving mechanisms 330.
In this embodiment, the driving mechanism 330 includes a screw sleeve 332 and a screw rod 331, the screw sleeve 332 is rotationally connected with the screw rod 331, the screw sleeve 332 is connected with the driving shaft 311 through the transmission mechanism 320, and the screw rod 331 is connected with the other of the first housing portion 110 and the second housing portion (120).
The driving motor 312 drives the driving shaft 311 to rotate, the driving shaft 311 drives the threaded sleeve 332 to rotate through the transmission mechanism 320, the threaded sleeve 332 is rotationally connected with the screw rod 331, the screw rod 331 can be driven to move along the axial direction of the screw rod 331 by the rotation of the threaded sleeve 332, the screw rod 331 is connected with the other one of the first shell part 110 and the second shell part 120, specifically, the screw rod 331 is fixedly connected with the other one of the first shell part 110 and the second shell part 120, and therefore the screw rod 331 can drive the other one of the first shell part 110 and the second shell part 120 to move, and accordingly, the first shell part 110 and the second shell part 120 are driven to move relatively by the rotation of the driving motor 312.
Alternatively, the screw 331 is disposed along the direction of the relative movement of the first housing portion 110 and the second housing portion 120, such that the movement of the screw 331 drives the relative movement of the first housing portion 110 and the second housing portion 120.
In this embodiment, the transmission mechanism 320 includes a transmission shaft 321 and a driven shaft 322, the transmission shaft 321 is connected to an end portion of the driving shaft 311 through a universal joint 323, the transmission shaft 321 is connected to an end portion of the driven shaft 322 through the universal joint 323, and the driven shaft 322 is connected to the threaded sleeve 332. Specifically, the driven shaft 322 is disposed along the direction in which the first housing portion 110 and the second housing portion 120 move relative to each other.
The driving shaft 311 is used as a driving shaft, the driving direction of the driving shaft 311 can be changed through the driving shaft 321, the driven shaft 322 is connected with two ends of the driving shaft 311 through the driving shaft 321, the driven shaft 322 can be perpendicular to the driving shaft 311, the driving shaft 311 can be perpendicular to the relative moving direction of the first shell part 110 and the second shell part 120, the driven shaft 322 can be perpendicular to the relative moving direction of the first shell part 110 and the second shell part 120, and the rotation changing direction of the driving shaft 311 is transmitted to the rotation of the driven shaft 322.
In this embodiment, adopt single driving motor 312, turn the rotation of drive shaft 311 into the double rotation with drive shaft 311 vertically orientation through two transmission shafts and double universal joint, and then drive two parallel lead screw 331 and carry out rectilinear motion, finally realize the relative movement of first casing portion 110 and second casing portion 120 through lead screw 331, universal joint 323 operates smoothly, transmission efficiency is high, and the noise is low, the both ends of transmission shaft 321 are all connected through universal joint 323 transmission, great angular compensation ability has, can improve structure life, can guarantee simultaneously that first casing portion 110 and second casing portion 120 steadily relative movement, thereby promote user experience greatly, promote user perceived value.
The universal joint 323 may be a cross-shaped universal joint, a ball-and-fork type universal joint, a ball-and-cage type universal joint, or the like, and the embodiment of the present application is not limited to the type of the universal joint 323.
In the embodiment of the application, the included angle between the transmission shaft 321 and the driving shaft 311 is equal to the included angle between the transmission shaft 321 and the driven shaft 322. The angular velocity of the driven shaft 322 can be guaranteed to be equal to the angular velocity of the driving shaft 311, and when the universal joint 323 drives, the angular velocity of the driving shaft 321 is not equal to the angular velocity of the driving shaft 311 in the process of rotating the driving shaft 311 for one circle, a preset corresponding relation exists, and when the driving shaft 311 rotates at a constant speed, the driving shaft 321 can rotate at a variable speed, so that the included angle between the driving shaft 321 and the driving shaft 311 is equal to the included angle between the driving shaft 321 and the driven shaft 322, and after the driving shaft 311 to the driving shaft 321 are changed according to the preset corresponding relation, the driving shaft 321 to the driven shaft 322 are inversely changed according to the same corresponding relation, so that the angular velocities of the driven shaft 322 and the driving shaft 311 are guaranteed to be the same, and the rotation of the driven shaft 322 is convenient to control, so that the first shell part 110 or the second shell part 120 is stably driven.
If the included angle between the driving shaft 321 and the driving shaft 311 is not equal to the included angle between the driving shaft 321 and the driven shaft 322, the rotation speed of the driving shaft 311 needs to be controlled, so that when the driving shaft 321 passes through the driven shaft 322, the driven shaft 322 is ensured to be uniform, and the first housing part 110 or the second housing part 120 is driven smoothly.
In the case where the driving shaft 311 is disposed perpendicular to the driven shaft 322, the angle between the driving shaft 321 and the driving shaft 311 is 45 °, and the angle between the driving shaft 321 and the driven shaft 322 is 45 °.
In the embodiment of the present application, the transmission mechanism 320 further includes a gear transmission assembly, where the gear transmission assembly includes a first gear 324 and a second gear 325, the first gear 324 is connected to the driven shaft 322, the second gear 325 is connected to the threaded sleeve 332, and the first gear 324 is meshed with the second gear 325.
The gear assembly is positioned between the driven shaft 322 and the threaded sleeve 332, the first gear 324 is coupled to the driven shaft 322, the second gear 325 is coupled to the threaded sleeve 332, and the first gear 324 and the second gear 325 are meshed. Thus, rotation of the driven shaft 322 is transferred to the first gear 324, the first gear 324 is transferred to the second gear 325, the second gear 325 is transferred to the threaded sleeve 332, and the speed relationship between the driven shaft 322 and the threaded sleeve 332 can be adjusted by the tooth count relationship between the first gear 324 and the second gear 325 of the gear assembly. At the same time, a gear assembly is provided to facilitate the transfer of rotation of the driven shaft 322 to rotation of the threaded sleeve 332. And can make driven shaft 322 and lead screw 331 parallel arrangement through gear drive subassembly, have certain space between driven shaft 322 and the lead screw 331, avoid lead screw 331 translation time and driven shaft 322 to cause the interference.
The number of drive mechanisms 330 is two, three or more, and a plurality of drive mechanisms 330 are spaced apart within the device housing, optionally uniformly distributed. The number of driving mechanisms 330 is not limited in the embodiment, and two driving mechanisms 330 are described herein as an example, and when the number of driving mechanisms 330 is two, the two driving mechanisms 330 are a first driving mechanism and a second driving mechanism, respectively.
The device housing 100 includes a first side edge 130 and a second side edge 140 extending in the direction of relative movement of the first housing portion 110 and the second housing portion 120, the first drive mechanism being adjacent the first side edge 130 and the second drive mechanism being adjacent the second side edge 140. That is, the driving position of the first housing part 110 or the second housing part 120 is close to the end of the first housing part 110 or the second housing part 120, so that the first driving mechanism and the second driving mechanism drive the first housing part 110 or the second housing part 120 as much as possible from the position of the first housing part 110 or the second housing part 120 close to the end, thereby avoiding the shake caused by too long cantilever formed by the end of the first housing part 110 or the second housing part 120.
Specifically, the first driving mechanism is connected to a first end of the driving shaft 311 through a transmission mechanism 320, and the second driving mechanism is connected to a second end of the driving shaft 311 through the transmission mechanism 320, where the first end and the second end are disposed opposite to each other. I.e. the opposite ends of the drive shaft 311 are connected to the first and second drive mechanisms via a transmission mechanism 320,
the number of the driving mechanisms 320 is the same as that of the driving mechanisms 330, the driving mechanisms 330 are in one-to-one correspondence with the driving mechanisms 320, when the number of the driving mechanisms 330 is two, the number of the driving mechanisms 320 is also two, the two driving mechanisms 320 are respectively a first driving mechanism and a second driving mechanism, the first driving mechanism is connected with the first end through the first driving mechanism, and the second driving mechanism is connected with the second end through the second driving mechanism.
This allows the first transmission mechanism and the first driving mechanism to be as close as possible to the first side edge 130, and the first transmission mechanism and the first driving mechanism to be as close as possible to the second side edge 140, and allows the first housing part 110 or the second housing part 120 to be driven from a position where the first housing part 110 or the second housing part 120 is close to the end as much as possible, avoiding that the cantilever formed by the end of the first housing part 110 or the second housing part 120 is too long to cause shaking. At the same time, more space can be left for the device housing 100 between the first and second transmission mechanisms, between the first and second drive mechanisms, for mounting other structural members.
In this embodiment, two driving mechanisms 330 are taken as an example for illustration, the two driving mechanisms 330 are respectively a first driving mechanism and a second driving mechanism, the first driving mechanism includes a first threaded sleeve 3321 and a first screw mandrel 3311, and the second driving mechanism includes a second threaded sleeve 3322 and a second screw mandrel 3312.
The two driving mechanisms 330 correspond to the two driving mechanisms 320, and the two driving mechanisms 320 are a first driving mechanism and a second driving mechanism, respectively, and each driving mechanism 320 comprises a transmission shaft 321, a driven shaft 322, a universal joint 323, a first gear 324 and a second gear 325.
The first lead screw 3311 and the second lead screw 3312 are both connected to the other of the first housing portion 110 and the second housing portion 120, the first lead screw 3311 and the second lead screw 3312 are both used for driving the other of the first housing portion 110 and the second housing portion 120 to move, the first lead screw 3311 is rotatably connected to the first screw housing 3321, the second lead screw 3312 is rotatably connected to the second screw housing 3322, and the first screw housing 3321 and the second screw housing 3322 are both connected to the driving shaft 311 through the transmission mechanism 320.
The driving shaft 311 drives the first screw sleeve 3321 and the second screw sleeve 3322 to rotate through the transmission mechanism 320, the first screw sleeve 3321 drives the first screw 3311 to move, and the second screw sleeve 3322 drives the second screw 3312 to move so as to drive the other one of the first housing part 110 and the second housing part 120 to move, thereby adjusting the distance between the first housing part 110 and the second housing part 120. In this way, the driving force of the single driving motor 312 is transmitted to the two lead screws 331 through the transmission mechanism 320, and the first housing portion 110 or the second housing portion 120 is driven by the two lead screws 331.
The first housing portion 110 and the second housing portion 120 may be relatively far from the flexible display screen 200 in an unfolded state or may be relatively close to the flexible display screen 200 in a contracted state by driving the driving device 300, and when the first housing portion 110 moves relative to the second housing portion 120, the first end of the flexible display screen 200 also moves relative to the second end of the flexible display screen 200, thereby changing the distance between the first end and the second end of the flexible display screen 200 and also changing the display area of the flexible display screen 200.
Therefore, with the electronic device in the present application, the driving device 300 may drive the first housing portion 110 and the second housing portion 120 to relatively move, so as to adjust the distance between the first housing portion 110 and the second housing portion 120, so that the flexible display screen 200 may be switched between the expanded state and the contracted state, and thus the flexible display screen 200 may have a larger display area when in use and may have a more reasonable size when in storage.
The driving shaft 311 of the driving source 310 drives the first screw housing 3321 and the second screw housing 3322 to rotate through the transmission mechanism 320, the first screw housing 3321 drives the first screw shaft 3311 to move, and the second screw housing 3322 drives the second screw shaft 3312 to move to drive the other one of the first housing part 110 and the second housing part 120 to move, thereby adjusting the distance between the first housing part 110 and the second housing part 120, that is, the driving force of the single driving motor 312 can be transmitted to the first screw shaft 3311 and the second screw shaft 3312 and drive the first screw shaft 3311 and the second screw shaft 3312 to move to adjust the distance between the first housing part 110 and the second housing part 120, and one driving force is divided into at least two driving positions to adjust the distance between the first housing part 110 and the second housing part 120.
In the embodiment of the application, one driving motor 312 is adopted for driving, so that the problems of uneven stress in the expanding and contracting processes, unstable expanding and contracting and poor user experience caused by the difference among a plurality of driving motors 312 are avoided; and the rotation of one driving motor 312 is transmitted to two screw rods 331 through the transmission mechanism 320, and the two screw rods 331 drive the first shell part 110 or the second shell part 120, so that the first shell part 110 or the second shell part 120 is uniformly stressed in the driving process, and the unfolding and shrinking processes are stable.
In this embodiment, the first screw 3311 and the second screw 3312 are disposed along the direction of the relative movement of the first housing portion 110 and the second housing portion 120, and the translation of the first screw 3311 and the second screw 3312 drives the movement of the first housing portion 110 or the second housing portion 120. The first lead screw 3311 and the second lead screw 3312 are arranged at intervals, so that two driving positions are arranged on the first shell part 110 or the second shell part 120 at intervals to drive the first shell part 110 or the second shell part 120 in a dispersing manner, so that the stress of the first shell part 110 or the second shell part 120 is more uniform, and the driving of the first shell part 110 or the second shell part 120 is more stable.
The driving motor 312 is disposed between the first lead screw 3311 and the second lead screw 3312, and the driving force of the driving motor 312 can be simultaneously transmitted to the first lead screw 3311 and the second lead screw 3312, specifically, to the first screw sleeve 3321 and the second screw sleeve 3322 through the transmission mechanism 320, then the first lead screw 3311 is driven through the first screw sleeve 3321, the second lead screw 3312 is driven through the second screw sleeve 3322, and the first screw sleeve 3321 and the second screw sleeve 3322 are both connected with the driving shaft 311 through the transmission mechanism 320.
In the present embodiment, the first lead screw 3311 is adjacent to the first side edge 130 and the second lead screw 3312 is adjacent to the second side edge 140. That is, the driving position of the first housing part 110 or the second housing part 120 is close to the end of the first housing part 110 or the second housing part 120, so that the first lead screw 3311 and the second lead screw 3312 drive the first housing part 110 or the second housing part 120 from the position of the first housing part 110 or the second housing part 120 close to the end as much as possible, thereby avoiding the shaking caused by too long cantilever formed by the end of the first housing part 110 or the second housing part 120.
Of course, in the embodiment of the present application, a third driving mechanism, a fourth driving mechanism, and the like may be further included, for example, a third screw rod, a fourth screw rod may be further included, and a plurality of screw rods are spaced between the first side edge 130 and the second side edge 140, and are spaced between the first housing portion 110 or the second housing portion 120, and the first housing portion 110 or the second housing portion 120 is driven by a plurality of driving positions.
In the case of providing the third driving mechanism, the third driving mechanism includes a third screw sleeve and a third screw, the first screw 3311 is adjacent to the first side edge 130, the second screw 3312 is adjacent to the second side edge 140, and the third screw is provided at an intermediate position, so that the first housing portion 110 or the second housing portion 120 can be driven more stably. The third screw is rotatably connected with a third threaded sleeve, which is connected with the driving shaft 311 through a transmission mechanism 320.
In this embodiment, the driving shaft 311 is connected with the threaded sleeve 332 through the transmission mechanism 320, the threaded sleeve 332 drives the screw rod 331 again, under the condition that two screw rods 331 are arranged, the number of the transmission mechanisms 320 is two, namely a first transmission mechanism and a second transmission mechanism, the first threaded sleeve 3321 is connected with the first end of the driving shaft 311 through the first transmission mechanism, the second threaded sleeve 3322 is connected with the second end of the driving shaft 311 through the second transmission mechanism, and the first end and the second end are arranged in opposite directions. That is, both ends of the driving shaft 311 are connected to the first and second transmission mechanisms, respectively, such that the first and second transmission mechanisms are located as close to the first or second side edges 130 and 140 as possible, and such that the first or second housing portions 110 and 120 are driven from a position where the first or second housing portions 110 and 120 are located as close to the end portions as possible, thereby avoiding rattling caused by too long cantilever formed by the end portions of the first or second housing portions 110 and 120. At the same time, more space can be left for the device housing 100 between the first and second transmission mechanisms for mounting other structural members.
In this embodiment, alternatively, the driving shaft 311 may be one, and the first end and the second end are two ends of the driving shaft 311 opposite to each other; or the driving shaft 311 is composed of two driving half shafts, the two driving half shafts are respectively connected with the driving motor 312 and driven by the driving motor 312, the first end is the end part of one driving half shaft, the second end is the end part of the other driving half shaft, and the first end and the second end are arranged in a back way.
The threads on the first screw 3311 and the second screw 3312 are rotated in opposite directions, and the threads in the first screw sleeve 3321 and the second screw sleeve 3322 are rotated in opposite directions, so as to drive the first housing part 110 or the second housing part 120 to move in the same direction at both ends of the driving shaft 311.
In this embodiment, the first housing portion 110 includes a plurality of first protrusions 111, the plurality of first protrusions 111 are disposed towards the second housing portion 120 along the direction in which the first housing portion 110 and the second housing portion 120 move relatively, the plurality of first protrusions 111 are disposed at intervals, and a first groove 112 is formed between adjacent first protrusions 111. The second housing part 120 includes a plurality of second protrusions 121, each of the plurality of second protrusions 121 is disposed toward the first housing part 110 along a direction in which the first housing part 110 and the second housing part 120 move relative to each other, the plurality of second protrusions 121 are disposed at intervals, and a second groove 122 is formed between adjacent second protrusions 121.
The first protrusion 111 is engaged with the second groove 122, and the second protrusion 121 is engaged with the first groove 112. That is, the facing portions of the first housing part 110 and the second housing part 120 are provided in a comb shape, and the comb teeth of the first housing part 110 and the second housing part 120 are arranged in an intersecting manner, so that when the first housing part 110 and the second housing part 120 are far away from each other, the first protrusion 111 is drawn out from the second groove 122, the second protrusion 121 is drawn out from the first groove 112, the flexible display 200 is always provided with a supporting structure (the first protrusion 111 and the second protrusion 121 which are arranged at intervals), the flexible display 200 is prevented from sagging, the flexible display 200 is prevented from being damaged by pulling when the flexible display 200 is operated, and when the first housing part 110 and the second housing part 120 are close to each other, the first protrusion 111 is inserted into the second groove 122, and the second protrusion 121 is inserted into the first groove 112, without affecting the shrinkage of the electronic device.
The first protrusion 111 is engaged with the second groove 122, and the second protrusion 121 is engaged with the first groove 112, and also plays a role of guiding during the relative movement of the first housing part 110 and the second housing part 120, so that the relative movement is smooth.
The first protrusion 111 and the second protrusion 121 are both in contact with the flexible display screen 200 to support the flexible display screen 200, and in the process of relatively moving the first housing portion 110 and the second housing portion 120, the first protrusion 111 and/or the second protrusion 121 are slidably matched with the flexible display screen 200 to realize that the flexible display screen 200 has a supporting structure all the time in the process of expanding and contracting the electronic device. The sides of the first protrusions 111 and the second protrusions 121 facing the flexible display screen 200 are smooth planes, so that abrasion to the flexible display screen 200 during the sliding fit process is avoided.
In the embodiment of the present application, the driving device 300 further includes a mounting bracket 340, where the mounting bracket 340 is used to mount the driving shaft 311, the transmission mechanism 320, and the driving mechanism 330. Specifically, the driving shaft 311, the driving shaft 321, the driven shaft 322, the first gear 324, the second gear 325, the first threaded sleeve 3321 and the second threaded sleeve 3322 are rotatably provided on a mounting bracket 340, and the mounting bracket 340 is connected to one of the first housing portion 110 and the second housing portion 120. That is, the driving shaft 311, the driving shaft 321, the driven shaft 322, the first gear 324, the second gear 325, the first screw housing 3321, and the second screw housing 3322 are connected to one of the first housing portion 110 and the second housing portion 120 through the mounting bracket 340, and the first lead screw 3311 and the second lead screw 3312 may be directly connected to the other of the first housing portion 110 and the second housing portion 120. The first threaded sleeve 3321 is rotatably connected with the first screw 3311, and the second threaded sleeve 3322 is rotatably connected with the second screw 3312 to realize connection of the first housing portion 110 with the second housing portion 120 through the driving device 300.
Optionally, the driving motor 312 is disposed on the first housing portion 110, the first lead screw 3311 and the second lead screw 3312 are disposed on the second housing portion 120, the driving shaft 311 may be disposed along an end portion of the first housing portion 110 opposite to the second housing portion 120, and two ends of the driving shaft 311 are respectively connected to the first threaded sleeve 3321 and the second threaded sleeve 3322 through transmission structures. In this case, the driving shaft 311, the driving shaft 321, the driven shaft 322, the first gear 324, the second gear 325, the first screw housing 3321 and the second screw housing 3322 are connected to the first housing part 110 by the mounting bracket 340, and the first screw 3311 and the second screw 3312 may be directly connected to the second housing part 120. The first threaded sleeve 3321 is rotatably connected with the first screw 3311, and the second threaded sleeve 3322 is rotatably connected with the second screw 3312 to realize connection of the first housing portion 110 with the second housing portion 120 through the driving device 300.
The electronic device disclosed by the embodiment of the application can be a smart phone, a tablet computer, an electronic book reader or a wearable device. Of course, the electronic device may be another device, which is not limited in the embodiments of the present application.
In the embodiments described above, the differences between the embodiments are mainly described, and as long as there is no contradiction between the different optimization features between the embodiments, the different optimization features may be combined to form a better embodiment, and in consideration of brevity of line text, the description is omitted here.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (13)
1. An electronic device characterized by comprising a device housing (100), a flexible display screen (200) and a driving means (300);
the device housing (100) comprises a first housing part (110) and a second housing part (120), the flexible display screen (200) is arranged on the first housing part (110) and the second housing part (120), the flexible display screen (200) has an unfolding state and a shrinking state, and the first housing part (110) and the second housing part (120) can relatively move, so that the flexible display screen (200) is switched between the unfolding state and the shrinking state;
the driving device (300) is arranged in the equipment shell (100), and the driving device (300) is used for driving the first shell part (110) and the second shell part (120) to move relatively;
wherein the driving device (300) comprises a driving source (310), a transmission mechanism (320) and at least two driving mechanisms (330); the driving source (310) is connected with one of the first shell part (110) and the second shell part (120), at least two driving mechanisms (330) are connected with the other of the first shell part (110) and the second shell part (120), at least two driving mechanisms (330) are connected with the same driving source (310) through the transmission mechanism (320), and the driving mechanisms (330) are ball screw mechanisms;
the driving source (310) comprises a driving motor (312) and a driving shaft (311), the driving motor (312) is connected with one of the first shell part (110) and the second shell part (120), the driving shaft (311) is connected with the driving motor (312), and at least two driving mechanisms (330) are connected with the driving shaft (311) through transmission mechanisms (320).
2. The electronic device according to claim 1, characterized in that the drive mechanism (330) comprises a threaded sleeve (332) and a screw (331), the threaded sleeve (332) being in rotational connection with the screw (331), the threaded sleeve (332) being connected with the drive shaft (311) via the transmission mechanism (320), the screw (331) being connected with the other of the first housing part (110) and the second housing part (120).
3. The electronic device according to claim 2, wherein the screw (331) is arranged along a direction in which the first housing part (110) and the second housing part (120) are relatively moved, and the driving shaft (311) and the screw (331) are perpendicular to each other.
4. The electronic device according to claim 2, wherein the transmission mechanism (320) includes a transmission shaft (321) and a driven shaft (322), one end of the transmission shaft (321) is connected to an end of the driving shaft (311) through a universal joint (323), the other end of the transmission shaft (321) is connected to an end of the driven shaft (322) through the universal joint (323), and the driven shaft (322) is connected to the threaded sleeve (332).
5. The electronic device according to claim 4, characterized in that the angle between the drive shaft (321) and the drive shaft (311) is equal to the angle between the drive shaft (321) and the driven shaft (322).
6. The electronic device according to claim 5, characterized in that the driving shaft (311) is arranged perpendicular to the driven shaft (322).
7. The electronic device of claim 4, wherein the transmission mechanism further comprises a gear transmission assembly comprising a first gear (324) and a second gear (325), the first gear (324) being coupled to the driven shaft (322), the second gear (325) being coupled to the threaded sleeve (332), the first gear (324) and the second gear (325) being meshed.
8. The electronic device of claim 7, wherein the driving apparatus (300) further comprises a mounting bracket (340), the driving shaft (311), the driving shaft (321), the driven shaft (322), the first gear (324), the second gear (325), and the threaded sleeve (332) are rotatably provided on the mounting bracket (340), and the mounting bracket (340) is connected to one of the first housing portion (110) and the second housing portion (120).
9. The electronic device of claim 1, wherein the number of drive mechanisms (330) is two, a first drive mechanism and a second drive mechanism, respectively, and the device housing (100) includes a first side edge (130) and a second side edge (140) extending in a direction in which the first housing portion (110) and the second housing portion (120) move relative to each other, the first drive mechanism being adjacent the first side edge (130) and the second drive mechanism being adjacent the second side edge (140).
10. The electronic device according to claim 9, characterized in that the first drive mechanism is connected to a first end of the drive shaft (311) via the transmission mechanism, and the second drive mechanism is connected to a second end of the drive shaft (311) via the transmission mechanism, the first end being arranged opposite the second end.
11. The electronic device according to claim 10, wherein the number of the transmission mechanisms (320) is two, namely a first transmission mechanism and a second transmission mechanism, the driving mechanisms (330) are in one-to-one correspondence with the transmission mechanisms (320), the first driving mechanisms are connected with the first ends through the first transmission mechanisms, and the second driving mechanisms are connected with the second ends through the second transmission mechanisms.
12. The electronic device according to claim 1, wherein the first housing portion (110) includes a plurality of first protrusions (111), the plurality of first protrusions (111) being disposed toward the second housing portion (120) along a direction in which the first housing portion (110) and the second housing portion (120) move relative to each other, the plurality of first protrusions (111) being disposed at intervals, and a first groove (112) being formed between adjacent first protrusions (111);
the second shell part (120) comprises a plurality of second bulges (121), the second bulges (121) are arranged towards the first shell part (110) along the relative movement direction of the first shell part (110) and the second shell part (120), the second bulges (121) are arranged at intervals, and a second groove (122) is formed between every two adjacent second bulges (121);
the first protrusion (111) mates with the second groove (122), and the second protrusion (121) mates with the first groove (112).
13. The electronic device of claim 12, wherein the first protrusion (111) and the second protrusion (121) are each in contact with the flexible display screen (200), and wherein the first protrusion (111) and/or the second protrusion (121) are in sliding engagement with the flexible display screen (200) during relative movement of the first housing portion (110) and the second housing portion (120).
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| CN202110880251.3A CN113676568B (en) | 2021-08-02 | 2021-08-02 | Electronic equipment |
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| CN202110880251.3A CN113676568B (en) | 2021-08-02 | 2021-08-02 | Electronic equipment |
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| CN113676568B true CN113676568B (en) | 2024-04-09 |
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| CN202110880251.3A Active CN113676568B (en) | 2021-08-02 | 2021-08-02 | Electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023120905A1 (en) * | 2021-12-20 | 2023-06-29 | 삼성전자 주식회사 | Rollable electronic device comprising gear assembly |
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