CN111601484A - Synchronizer, foldable shell assembly and foldable electronic equipment - Google Patents
Synchronizer, foldable shell assembly and foldable electronic equipment Download PDFInfo
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- CN111601484A CN111601484A CN202010532806.0A CN202010532806A CN111601484A CN 111601484 A CN111601484 A CN 111601484A CN 202010532806 A CN202010532806 A CN 202010532806A CN 111601484 A CN111601484 A CN 111601484A
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- sliding
- connecting arm
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- arm
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0226—Hinges
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- Microelectronics & Electronic Packaging (AREA)
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Abstract
The application discloses synchronizer, collapsible casing subassembly and collapsible electronic equipment. The synchronous device comprises a base, a first connecting arm and a second connecting arm which are rotatably connected to the base, a first sliding piece, a second sliding piece and a connecting assembly, wherein the sliding direction of the first sliding piece is parallel to the length direction of the first connecting arm when the first connecting arm is unfolded; the first sliding piece is in transmission connection with the first connecting arm, the second sliding piece is in transmission connection with the second connecting arm, and the connecting assembly is provided with a first connecting end connected with the first sliding piece and a second connecting end connected with the second sliding piece; the connecting assembly moves relative to the base, so that the first sliding piece and the second sliding piece synchronously slide towards opposite directions to drive the first connecting arm and the second connecting arm to synchronously rotate to fold or unfold. The application can enable two shells supporting two non-bending areas of the flexible screen in the foldable electronic equipment to synchronously rotate.
Description
Technical Field
The present disclosure relates to electronic products, and particularly to a synchronizing device, a foldable housing assembly using the synchronizing device, and a foldable electronic device using the foldable housing assembly.
Background
With the development of technology, more and more foldable electronic devices (such as foldable mobile phones, foldable tablet computers, etc.) are appearing in people's work and life. When the foldable electronic device is used, the flexible screen of the foldable electronic device can be bent. At this time, in order to ensure that the bending region of the flexible screen is uniformly stressed and avoid the flexible screen from being damaged, the rotation of the two non-bending regions of the flexible screen needs to be synchronized, that is, the rotation of the two housings supporting the two non-bending regions in the foldable electronic device needs to be synchronized. Therefore, how to ensure that two shells supporting two non-bending areas in the folding electronic device can synchronously rotate is always the research and development direction of research and development personnel.
The above-mentioned contents are only for assisting understanding of the technical solution of the present application, and do not represent an admission that the above-mentioned contents are prior art.
Disclosure of Invention
The present application provides a synchronizing device, a foldable housing assembly using the synchronizing device, and a foldable electronic device using the foldable housing assembly, and aims to enable two housings supporting two non-bending regions of a flexible screen to rotate synchronously in the foldable electronic device.
An embodiment of the present application provides a synchronization apparatus, including:
a base;
a first link arm pivotally connected to the base, the first link arm being pivotal relative to the base and having an expanded state and a collapsed state;
a second link arm rotatably connected to the base, the second link arm rotating with respect to the base and having an unfolded state and a folded state, the first link arm in the unfolded state and the second link arm in the unfolded state being arranged in opposite directions;
the first sliding piece is connected to the base in a sliding mode, the sliding direction of the first sliding piece is parallel to the length direction of the first connecting arm in the unfolding state, and the first sliding piece is in transmission connection with the first connecting arm;
the second sliding part is connected to the base in a sliding mode, the sliding direction of the second sliding part is parallel to the length direction of the second connecting arm in the unfolding state, and the second sliding part is in transmission connection with the second connecting arm; and
the connecting assembly is movably connected to the base and provided with a first connecting end and a second connecting end which are connected, the first connecting end is connected with the first sliding piece, and the second connecting end is connected with the second sliding piece;
the connecting assembly moves relative to the base, so that the first sliding piece and the second sliding piece synchronously slide towards opposite directions to drive the first connecting arm and the second connecting arm to synchronously rotate to fold or unfold.
An embodiment of the present application provides a foldable housing assembly, including a first housing, a second housing, and a synchronization device, the synchronization device including:
a base;
a first link arm pivotally connected to the base, the first link arm being pivotal relative to the base and having an expanded state and a collapsed state;
a second link arm rotatably connected to the base, the second link arm rotating with respect to the base and having an unfolded state and a folded state, the first link arm in the unfolded state and the second link arm in the unfolded state being arranged in opposite directions;
the first sliding piece is connected to the base in a sliding mode, the sliding direction of the first sliding piece is parallel to the length direction of the first connecting arm in the unfolding state, and the first sliding piece is in transmission connection with the first connecting arm;
the second sliding part is connected to the base in a sliding mode, the sliding direction of the second sliding part is parallel to the length direction of the second connecting arm in the unfolding state, and the second sliding part is in transmission connection with the second connecting arm; and
the connecting assembly is movably connected to the base and provided with a first connecting end and a second connecting end which are connected, the first connecting end is connected with the first sliding piece, and the second connecting end is connected with the second sliding piece;
the connecting assembly moves relative to the base, so that the first sliding piece and the second sliding piece synchronously slide towards opposite directions to drive the first connecting arm and the second connecting arm to synchronously rotate to fold or unfold;
the first shell and the second shell are arranged side by side, the synchronizing device is arranged between the first shell and the second shell, a first connecting arm of the synchronizing device is fixed on the first shell, and a second connecting arm of the synchronizing device is fixed on the second shell.
An embodiment of the present application provides a foldable electronic device, which includes a flexible screen and a foldable housing assembly, the foldable housing assembly including a first housing, a second housing, and a synchronization apparatus, the synchronization apparatus including:
a base;
a first link arm pivotally connected to the base, the first link arm being pivotal relative to the base and having an expanded state and a collapsed state;
a second link arm rotatably connected to the base, the second link arm rotating with respect to the base and having an unfolded state and a folded state, the first link arm in the unfolded state and the second link arm in the unfolded state being arranged in opposite directions;
the first sliding piece is connected to the base in a sliding mode, the sliding direction of the first sliding piece is parallel to the length direction of the first connecting arm in the unfolding state, and the first sliding piece is in transmission connection with the first connecting arm;
the second sliding part is connected to the base in a sliding mode, the sliding direction of the second sliding part is parallel to the length direction of the second connecting arm in the unfolding state, and the second sliding part is in transmission connection with the second connecting arm; and
the connecting assembly is movably connected to the base and provided with a first connecting end and a second connecting end which are connected, the first connecting end is connected with the first sliding piece, and the second connecting end is connected with the second sliding piece;
the connecting assembly moves relative to the base, so that the first sliding piece and the second sliding piece synchronously slide towards opposite directions to drive the first connecting arm and the second connecting arm to synchronously rotate to fold or unfold;
the first shell and the second shell are arranged side by side, the synchronizing device is arranged between the first shell and the second shell, a first connecting arm of the synchronizing device is fixed on the first shell, and a second connecting arm of the synchronizing device is fixed on the second shell;
the flexible screen is laid on the first shell and the second shell of the foldable shell assembly in sequence.
In the technical solution of the present application, when the first connecting arm rotates along with the first housing of the foldable electronic device, because the first sliding part and the second sliding part move synchronously and in opposite directions, the first connecting arm can drive the second sliding part to move synchronously and in opposite directions through the first sliding part in transmission connection therewith and the connecting assembly connected between the first sliding part and the second sliding part, so that the second connecting arm in transmission connection therewith is driven by the second sliding part to rotate synchronously with the first connecting arm in a direction opposite to the rotation direction of the first connecting arm, and the second housing of the foldable electronic device is driven by the second connecting arm to rotate synchronously with the first housing in a direction opposite to the rotation direction of the first housing until the first connecting arm and the second connecting arm are overlapped (i.e. the first connecting arm and the second connecting arm are both in a folded state), until the first and second housings are folded (i.e., the first and second housings are both in a folded state). Similarly, when the second connecting arm rotates along with the second housing of the foldable electronic device, because the first slider and the second slider move synchronously and in opposite directions, the second connecting arm can drive the first slider to move synchronously and in opposite directions through the second slider in transmission connection with the second connecting arm and the connecting assembly connected between the first slider and the second slider, so that the first slider drives the first connecting arm to rotate synchronously with the second connecting arm and in opposite direction to the rotating direction of the second connecting arm, and further drives the first housing of the foldable electronic device to rotate synchronously with the second housing through the first connecting arm until the first connecting arm and the second connecting arm are overlapped (i.e. the first connecting arm and the second connecting arm are both in a folded state), until the first and second housings are folded (i.e., the first and second housings are both in a folded state).
That is, through the synchronizer of this application, can the first linking arm of effective control and second linking arm coincide or expand with the same speed for the functioning speed of first linking arm and second linking arm can be synchronous, thereby two casings that are connected respectively with two linking arms in making collapsible electronic equipment can rotate in step, and then two non-bending region that make the flexible screen of two casing supports can rotate in step, guarantee that the regional atress of bending of flexible screen is even, avoid the flexible screen to damage.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of one embodiment of a foldable housing assembly of the present application;
FIG. 2 is a schematic view of the synchronization device of FIG. 1, wherein the synchronization device is in an expanded state;
FIG. 3 is an exploded view of the synchronization device of FIG. 2;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a schematic view of the synchronization device of FIG. 2 in a folded state
FIG. 6 is a schematic structural view of another embodiment of a synchronization device of the present application, wherein the synchronization device is in an expanded state;
fig. 7 is a schematic structural view of the synchronization device in fig. 6 in a folded state.
The reference numbers illustrate:
the implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely 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 making any creative effort, shall fall within the protection scope of the present application.
The present application provides a synchronization apparatus 100, which is applied to a foldable electronic device. It is to be appreciated that the foldable electronic device includes a flexible screen and a foldable housing assembly 1000.
As shown in fig. 1, the foldable housing assembly 1000 includes a first housing 200, a second housing 300, and a bending part (not shown); the first shell 200 and the second shell 300 are arranged side by side and at intervals; the bending part is arranged between the first shell 200 and the second shell 300 and has a first side edge and a second side edge which are arranged back to back, the first side edge faces the first shell 200 and is connected with the first shell 200, and the second side edge faces the second shell 300 and is connected with the second shell 300; the first housing 200 is provided with a first mounting surface, the second housing 300 is provided with a second mounting surface, and the first mounting surface is arranged opposite to the second mounting surface or arranged back to back when the first housing 200 is folded in the second housing 300; the flexible screen is arranged on the first mounting surface and the second mounting surface.
Specifically, the first housing 200 and the second housing 300 are each a rectangular parallelepiped plate-shaped structure, and are equal in size and disposed coplanar. A receiving cavity may be formed in the first housing 200 for mounting electrical components of the foldable electronic device. Similarly, a receiving cavity for mounting electrical components of the foldable electronic device may be formed in the second housing 300. The bending part can be formed by arranging and hinging a plurality of rigid units (similar to the structure of a watch steel belt). The bending part is also in a cuboid shape, and two longer sides of the bending part, namely a first side and a second side, are arranged back to back. The bending portion is disposed between the first housing 200 and the second housing 300, and disposed coplanar with the first housing 200 and the second housing 300. A first side of the bending part is disposed toward the first case 200 and connected with a side of the first case 200 facing the second case 300, and a second side of the bending part is disposed toward the second case 300 and connected with a side of the second case 300 facing the first case 200. At this time, since the bending portion can perform the bending operation, the first housing 200 can be folded with respect to the second housing 300 and has a folded state and an unfolded state. In contrast, the second casing 300 is also foldable with respect to the first casing 200, and has a folded state and an unfolded state. The unfolded state of the first casing 200 refers to a state in which the first casing 200 is laid flat against the second casing 300; similarly, the unfolded state of the second casing 300 refers to a state when the second casing 300 is laid flat with respect to the first casing 200.
Thus, when the folding of the foldable electronic device is in the folded-in form, and when the first housing 200 is in the folded state (i.e., when the first housing 200 is folded to the second housing 300; that is, when the second housing 300 is folded to the first housing 200; that is, when the second housing 300 is in the folded state), the first mounting surface of the first housing 200 is disposed opposite to the second mounting surface of the second housing 300, that is, the first housing 200 and the second housing 300 are folded; when the first housing 200 is in the expanded state (i.e., when the second housing 300 is in the expanded state), the first mounting surface of the first housing 200 and the second mounting surface of the second housing 300 are disposed in a coplanar manner. Similarly, when the folding of the foldable electronic device is in the fold-out form, and when the first housing 200 is in the folded state (i.e., when the first housing 200 is folded to the second housing 300; that is, when the second housing 300 is folded to the first housing 200; that is, when the second housing 300 is in the folded state), the first mounting surface of the first housing 200 is disposed opposite to the second mounting surface of the second housing 300, that is, the first housing 200 and the second housing 300 are overlapped. When the first housing 200 is in the expanded state (i.e., when the second housing 300 is in the expanded state), the first mounting surface of the first housing 200 and the second mounting surface of the second housing 300 are disposed in a coplanar manner.
The flexible screen is attached to the first mounting surface of the first housing 200 and the second mounting surface of the second housing 300, so as to present different use states along with the opening and closing movement of the first housing 200 relative to the second housing 300 (or along with the opening and closing movement of the second housing 300 relative to the first housing 200), thereby meeting different operation requirements of users. At this time, it can be understood that the flexible screen is divided into two non-bending regions and one bending region, one of the non-bending regions is supported by the first housing 200, the other of the non-bending regions is supported by the second housing 300, and the bending region is supported by the bending portion.
Based on the structure of the foldable electronic equipment, in order to enable two shells supporting two non-bending areas of the flexible screen in the foldable electronic equipment to synchronously rotate, the two non-bending areas of the flexible screen can synchronously rotate, the uniform stress of the bending areas of the flexible screen is ensured, and the flexible screen is prevented from being damaged;
an embodiment of the present application provides a synchronization device 100, as shown in fig. 2 to 5, the synchronization device 100 includes a base 10, a first connecting arm 20, a second connecting arm 30, a first sliding member 40, a second sliding member 50, and a connecting member 60. The base 10 is used for providing a stable and firm mounting platform for the first connecting arm 20, the second connecting arm 30, the first sliding member 40, the second sliding member 50 and the connecting member 60 between the first casing 200 and the second casing 300 of the foldable electronic device.
Specifically, the first connecting arm 20 is rotatably connected to the base 10, the second connecting arm 30 is rotatably connected to the base 10, the first connecting arm 20 rotates relative to the base 10 and has an unfolded state and a folded state, and the second connecting arm 30 rotates relative to the base 10 and has an unfolded state and a folded state; the first connecting arm 20 in the unfolded state and the second connecting arm 30 in the unfolded state are arranged in opposite directions, that is, the first connecting arm 20 extends towards the first housing 200 of the foldable electronic device, and the second connecting arm 30 extends towards the second housing 300 of the foldable electronic device (at this time, the first connecting arm 20 and the second connecting arm 30 may be arranged side by side along the width direction of the bending portion, or may be arranged side by side and shifted along the length direction of the bending portion on the basis of the side by side arrangement); wherein, the first connecting arm 20 is used for being fixedly connected with a first housing 200 of the foldable electronic device, and the second connecting arm 30 is used for being fixedly connected with a second housing 300 of the foldable electronic device; when the first and second link arms 20 and 30 are in the unfolded state, it corresponds to the first and second housings 200 and 300 being in the unfolded state; when the first and second link arms 20 and 30 are both in the folded state, it corresponds to the first and second housings 200 and 300 being both in the folded state.
The first sliding part 40 is connected to the base 10 in a sliding manner, and the sliding direction of the first sliding part is parallel to the length direction of the first connecting arm 20 in the unfolding state, and the first sliding part 40 is also in transmission connection with the first connecting arm 20; the second sliding member 50 is slidably connected to the base 10, and the sliding direction of the second sliding member is parallel to the length direction of the second connecting arm 30 in the unfolding state, and the second sliding member 50 is further in transmission connection with the second connecting arm 30.
The connecting assembly 60 is movably connected to the base 10 and has a first connecting end and a second connecting end connected with each other, the first connecting end is connected with the first sliding member 40, and the second connecting end is connected with the second sliding member 50; wherein, the connecting assembly 60 moves relative to the base 10, so that the first slider 40 and the second slider 50 slide synchronously in opposite directions to drive the first connecting arm 20 and the second connecting arm 30 to rotate synchronously for folding or unfolding.
At this time, referring to fig. 1, it can be understood that when the first connecting arm 20 rotates along with the first housing 200 of the foldable electronic device, since the first slider 40 and the second slider 50 move synchronously and in opposite directions, the first connecting arm 20 can drive the second slider 50 to move synchronously and in opposite directions with respect to the first slider 40 through the first slider 40 in transmission connection therewith and the connecting assembly 60 connected between the first slider 40 and the second slider 50, so that the second connecting arm 30 in transmission connection therewith is driven by the second slider 50 to rotate synchronously with respect to the first connecting arm 20 in a direction opposite to the rotation direction of the first connecting arm 20, and the second housing 300 of the foldable electronic device is driven by the second connecting arm 30 to rotate synchronously with respect to the first housing 200 in a direction opposite to the rotation direction of the first housing 200, until the first and second link arms 20 and 30 are overlapped (i.e., the first and second link arms 20 and 30 are both in the folded state), and until the first and second casings 200 and 300 are overlapped (i.e., the first and second casings 200 and 300 are both in the folded state). Similarly, when the second connecting arm 30 rotates along with the second housing 300 of the foldable electronic device, since the first slider 40 and the second slider 50 move synchronously and in opposite directions, the second connecting arm 30 can pass through the second slider 50 in transmission connection with the second connecting arm and the connecting assembly 60 connected between the first slider 40 and the second slider 50, so as to drive the first slider 40 to move synchronously and in opposite directions with the second slider 50, so as to drive the first connecting arm 20 to rotate synchronously with the second connecting arm 30 through the first slider 40 in a direction opposite to the rotating direction of the second connecting arm 30, and further drive the first housing 200 of the foldable electronic device to rotate synchronously with the second housing 300 through the first connecting arm 20 in a direction opposite to the rotating direction of the second housing 300, until the first connecting arm 20 and the second connecting arm 30 are overlapped (i.e. the first connecting arm 20 and the second connecting arm 30 are both in a folded state) Until the first and second cases 200 and 300 are folded (i.e., the first and second cases 200 and 300 are both in a folded state).
That is, through the synchronizer 100 of this embodiment, the first connecting arm 20 and the second connecting arm 30 can be effectively controlled to be folded or unfolded at the same speed, so that the operating speeds of the first connecting arm 20 and the second connecting arm 30 can be synchronized, and thus the two shells respectively connected with the two connecting arms in the foldable electronic device can be synchronously rotated, and then the two non-bending areas of the flexible screen supported by the two shells can be synchronously rotated, thereby ensuring that the stress of the bending area of the flexible screen is uniform, and avoiding the damage of the flexible screen.
It should be noted that the synchronization apparatus 100 of the present embodiment can be applied to both the foldable electronic device in the fold-out form and the foldable electronic device in the fold-in form. Moreover, the first slider 40 and the second slider 50 of the synchronization device 100 can drive the first connecting arm 20 and the second connecting arm 30 to synchronously rotate and overlap during the mutual approaching synchronization movement; the first connecting arm 20 and the second connecting arm 30 can be driven to rotate synchronously to be overlapped in the process of synchronous movement away from each other. The technical personnel in the field can carry out reasonable setting according to the actual product demand, and the description is omitted.
Further, it is understood that when the synchronization device 100 is assembled between the first case 200 and the second case 300 of the foldable electronic apparatus, a corresponding escape space may be provided on the mounting portion of the foldable electronic apparatus to accommodate the synchronization device 100.
Further, in order to enhance the stability of the first sliding member when sliding and enhance the stability of the second sliding member 50 when sliding, the base 10 is provided with a first sliding slot 11 along the direction from the first connecting arm 20 to the second connecting arm 30, the first sliding member 40 is at least partially inserted into the first sliding slot 11, and the second sliding member 50 is at least partially inserted into the first sliding slot 11. Moreover, since the first sliding block member and the second sliding member 50 both slide along the first sliding groove 11, the width of the base 10 perpendicular to the length direction of the first sliding groove 11 is reduced, which is beneficial to reducing the volume of the base 10 and reducing the space occupation ratio of the synchronization device 100.
Other structural arrangements of the synchronization device 100 are described below with reference to the embodiments shown in fig. 2 to 5:
in this embodiment, the synchronization device 100 further includes a first mounting plate 70 and a second mounting plate 80;
the first mounting plate 70 is convexly arranged on the surface of the base 10, a first mounting shaft 71 is convexly arranged on one plate surface of the first mounting plate 70, the first mounting shaft 71 penetrates through the first connecting arm 20, and the first connecting arm 20 is rotatably connected to the base 10 through the first mounting shaft 71 and the first mounting plate 70;
the protruding surface that is equipped with first mounting panel 70 of base 10 is located to the protruding second mounting panel 80 to set up side by side with first mounting panel 70, the protruding second installation axle 81 that is equipped with of a face of second mounting panel 80, second installation axle 81 sets up side by side with first installation axle 71, and second installation axle 81 wears to locate second connecting arm 30, and second connecting arm 30 rotates through second installation axle 81 and second mounting panel 80 and connects in base 10.
As can be appreciated, such a mounting manner can ensure not only the stability of the first connecting arm 20 when rotating, but also the stability of the second connecting arm 30 when rotating; moreover, a certain distance is left between the first connecting arm 20 and the base 10, and a certain distance is left between the second connecting arm 30 and the base 10, so that the layout of the transmission relationship between the first sliding member 40 and the first connecting arm 20 and the layout of the transmission relationship between the second sliding member 50 and the second connecting arm 30 are facilitated.
It should be noted that the first mounting plate 70 may be an integral structure integrally formed with the base 10, or may be detachably connected with the base 10, and after being separately processed and manufactured, the first mounting plate is assembled together by means of an assembly relationship (such as a snap connection, a screw connection, a mortise and tenon connection, etc.). Similarly, the second mounting plate 80 may be integrally formed with the base 10, or may be detachably connected to the base 10, and after being separately processed and manufactured, the second mounting plate is assembled together by means of an assembling relationship (such as a snap connection, a screw connection, a mortise and tenon connection, etc.).
Further, in order to facilitate the connection between the first connecting arm 20 and the first housing 200 of the foldable electronic device, the first connecting arm 20 includes a first connecting arm body 21 and a first rotating portion 23, the first mounting shaft 71 penetrates through the first rotating portion 23, one end of the first connecting arm body 21 is fixed to the first rotating portion 23, and the other end of the first connecting arm body 21 is away from the second connecting arm 30. In this way, the end of the first connecting arm main body 21 facing away from the second connecting arm 30 can be used for connection with the first housing 200 of the foldable electronic device, which is simple, convenient and reliable.
Similarly, in order to facilitate the connection between the second connecting arm 30 and the second housing 300 of the foldable electronic device, the second connecting arm 30 includes a second connecting arm main body 31 and a second rotating portion 33, the second mounting shaft 81 penetrates through the second rotating portion 33, one end of the second connecting arm main body 31 is fixed to the second rotating portion 33, and the other end of the second connecting arm main body 31 deviates from the first connecting arm 20. In this way, the end of the second connecting arm main body 31 facing away from the first connecting arm 20 can be used for connection with the second housing 300 of the foldable electronic device, which is simple, convenient and reliable.
Further, regarding the transmission relationship between the first connecting arm 20 and the first slider 40, and the transmission connection between the second connecting arm 30 and the second slider 50, at least two ways can be realized:
(1) the specific structure of the gear-rack transmission mode is shown in fig. 2 to 5:
the side surface of the first rotating portion 23 is a first gear surface 231, the surface of the first sliding member 40 facing away from the base 10 is a first rack surface 41, the first gear surface 231 is engaged with the first rack surface 41, and the first sliding member 40 drives the first rotating portion 23 to rotate through the cooperation of the first gear surface 231 and the first rack surface 41, so as to rotate the first connecting arm 20;
the side surface of the second rotating portion 33 is a second gear surface 331, the surface of the second sliding member 50 facing away from the base 10 is a second rack surface 51, the second gear surface 331 is engaged with the second rack surface 51, and the second sliding member 50 drives the second rotating portion 33 to rotate through the cooperation between the second gear surface 331 and the second rack surface 51, so as to rotate the second connecting arm 30.
(2) The specific structure of the link mechanism transmission mode is shown in fig. 6 and 7:
the synchronizer 100 further comprises a first transmission rod 235, one end of the first transmission rod 235 is hinged to the first rotating portion 23, the other end of the first transmission rod 235 is hinged to the first sliding member 40, and the first transmission rod 235 and the first rotating portion 23 form a two-link mechanism to drive the first rotating portion 23 to rotate;
the synchronization device 100 further includes a second transmission rod 335, one end of the second transmission rod 335 is hinged to the second rotating portion 33, the other end of the second transmission rod 335 is hinged to the second sliding member 50, and the second transmission rod 335 and the second rotating portion 33 form a two-bar linkage mechanism to drive the second rotating portion 33 to rotate.
In the link mechanism transmission system, in order to form a two-link mechanism, the first hinge shaft 233 is protruded from the surface of the first rotating portion 23 facing away from the first mounting plate 70, the axis of the first hinge shaft 233 is eccentrically provided with respect to the axis of the first mounting shaft 71, and the first hinge shaft 233 is inserted into one end of the first transmission rod 235 facing away from the first slider 40. Similarly, the surface of the second rotating portion 33 away from the second mounting plate 80 is convexly provided with a second hinge shaft 333, the axis of the second hinge shaft 333 is eccentrically arranged relative to the axis of the second mounting shaft 81, and the second hinge shaft 333 penetrates through one end of the second transmission rod 335 away from the second sliding member 50.
Understandably, the two transmission modes have the advantages of simple structure, convenience in manufacturing, rapidness in assembly, strong stability, high reliability and the like.
The following describes a specific structure of the connecting assembly 60 in the synchronization device 100 with reference to the embodiments shown in fig. 2 to 5:
in this embodiment, the connecting assembly 60 includes a third slider 61, a first link 63, and a second link 65.
The third sliding part 61 is arranged on the base 10 and is connected with the base 10 in a sliding manner; the sliding path of the third sliding member 61 is located between the first connecting arm 20 and the second connecting arm 30, and is arranged at an included angle (specifically, the included angle is 90 °) with the sliding path of the first sliding member 40, and the first sliding member 40 and the second sliding member 50 are respectively located at two sides of the sliding path of the third sliding member 61; one end of the first connecting rod 63 is rotatably connected to the third sliding part 61, and one end of the first connecting rod 63 departing from the third sliding part 61 forms a first connecting end and is rotatably connected with the first sliding part 40; one end of the second connecting rod 65 is rotatably connected to the third sliding member 61, and one end of the second connecting rod 65, which is away from the third sliding member 61, forms a second connecting end and is rotatably connected to the second sliding member 50; the third slide 61 slides relative to the base 10 to drive the first slide 40 and the second slide 50 to slide synchronously in opposite directions via the first link 63 and the second link 65.
At this time, when the first connecting arm 20 rotates and drives the first slider 40 to slide in a direction away from the second slider 50, the first slider 40 can pull the third slider 61 to slide towards the first chute 11 through the first connecting rod 63; when the third sliding member 61 slides towards the first sliding chute 11, the third sliding member 61 can push the second sliding member 50 to slide towards the direction away from the first sliding member 40 through the second connecting rod 65, so that the first sliding member 40 and the second sliding member 50 synchronously slide towards opposite directions; at this time, the first link arm 20 and the second link arm 30 rotate synchronously to overlap. Similarly, when the first connecting arm 20 rotates and drives the first sliding member 40 to slide toward the second sliding member 50, the first sliding member 40 can push the third sliding member 61 to slide in a direction away from the first sliding chute 11 through the first connecting rod 63; when the third sliding member 61 slides in a direction away from the first sliding chute 11, the third sliding member 61 can pull the second sliding member 50 to slide towards the first sliding member 40 through the second connecting rod 65, so that the first sliding member 40 and the second sliding member 50 synchronously slide in opposite directions; at this time, the first and second link arms 20 and 30 are rotated in synchronization to be unfolded.
Similarly, when the second connecting arm 30 rotates and drives the second slider 50 to slide in a direction away from the first slider 40, the second slider 50 can pull the third slider 61 to slide towards the first sliding slot 11 through the second connecting rod 65; when the third sliding member 61 slides towards the first sliding chute 11, the third sliding member 61 can push the first sliding member 40 to slide towards the direction away from the second sliding member 50 through the first connecting rod 63, so that the first sliding member 40 and the second sliding member 50 synchronously slide towards opposite directions; at this time, the first link arm 20 and the second link arm 30 rotate synchronously to overlap. Similarly, when the second connecting arm 30 rotates and drives the second slider 50 to slide towards the first slider 40, the second slider 50 can push the third slider 61 to slide towards the direction away from the first sliding chute 11 through the second connecting rod 65; when the third sliding member 61 slides in a direction away from the first sliding chute 11, the third sliding member 61 can pull the first sliding member 40 to slide towards the second sliding member 50 through the first connecting rod 63, so that the first sliding member 40 and the second sliding member 50 synchronously slide in opposite directions; at this time, the first and second link arms 20 and 30 are rotated in synchronization to be unfolded.
It can be understood that the connecting assembly 60 can not only ensure that the first slider 40 and the second slider 50 slide synchronously in opposite directions, but also realize that the first connecting arm 20 and the second connecting arm 30 rotate synchronously; but also has the advantages of less movement idle stroke, good synchronism, simple structure, convenient manufacture, quick assembly, strong stability, high reliability and the like.
Further, compared with the manner in which the first connecting arm 20 and the second connecting arm 30 synchronously rotate through a plurality of gear pairs (for example, 5 gear pairs consisting of 6 gears) in the related art, the connecting assembly 60, regardless of carrying the gear-rack transmission manner or carrying the link mechanism transmission manner, can effectively reduce the number of the gear pairs between the first connecting arm 20 and the second connecting arm 30 and reduce the occurrence probability of the idle movement of the synchronizer 100 during the operation process, thereby improving the synchronism of the first connecting arm 20 and the second connecting arm 30 in the synchronizer 100, realizing better synchronous rotation between two housings respectively connected with the two connecting arms in the foldable electronic device, realizing better synchronous rotation between two non-bending regions of the flexible screen supported by the two housings, and further improving the uniformity of the stress of the bending regions of the flexible screen, reducing the possibility of damage to the flexible screen.
Of course, in other embodiments, other connecting assemblies 60 may be used to ensure that the first slider 40 and the second slider 50 slide synchronously in opposite directions, for example: a gear is arranged between the two parallel sliding rods, the surface of each sliding rod facing the gear is a rack surface, and the rack surfaces are distributed along the length direction of the sliding rods and are meshed with the gear surface of the gear; the gear rotates to drive the two sliding rods to slide towards opposite directions. As for other ways, those skilled in the art can implement the function of the connecting assembly 60 reasonably, and the detailed description is omitted here.
Further, in order to enhance the stability of the third sliding member 61 when sliding, and enhance the stability of the connecting assembly 60 when cooperating with the first sliding member 40 and the second sliding member 50, the base 10 is provided with a second sliding slot 13 along the sliding path of the third sliding member 61, the third sliding member 61 includes a sliding end and a mounting end which are arranged back to back, the sliding end is inserted into the third sliding slot, one end of the first connecting rod 63 which is arranged back to the first sliding member 40 is sleeved on the mounting end, and one end of the second connecting rod 65 which is arranged back to the second sliding member 50 is sleeved on the mounting end.
In addition, in order to prevent the third sliding member 61 from coming off the second sliding chute 13 and further enhance the stability of the third sliding member 61 during sliding, the second sliding chute 13 has two opposite side walls, and the side walls are provided with a limiting groove 131 along the length direction of the second sliding chute 13; the side of the sliding end is convexly provided with a limiting block towards the limiting groove 131, and at least part of the limiting block is inserted into the limiting groove 131. Specifically, in the embodiment shown in fig. 3, two limiting blocks arranged back to back are arranged and connected with each other in a surrounding manner along the circumferential direction of the sliding end, and finally a limiting block in an annular structure is formed. At this time, even if the third slider 61 rotates, the stopper of the third slider 61 is still partially inserted into the stopper groove 131, which ensures the stability of the third slider 61 during sliding in the rotation state.
Further, as shown in fig. 2 and fig. 3, the first link 63 includes a first rod segment 631 and a second rod segment 633 connected to each other, an end of the first rod segment 631 facing away from the second rod segment 633 is sleeved on the mounting end, and an end of the second rod segment 633 facing away from the first rod segment 631 is rotatably connected to the first sliding member 40; the second connecting rod 65 comprises a third rod segment 651 and a fourth rod segment 653 which are connected, wherein one end of the third rod segment 651, which faces away from the fourth rod segment 653, is sleeved at the mounting end, and one end of the fourth rod segment 653, which faces away from the third rod segment 651, is rotatably connected to the second sliding member 50; second pole segment 633 is disposed in a sunken position relative to first pole segment 631, third pole segment 651 is disposed in a sunken position relative to fourth pole segment 653, and third pole segment 651 is disposed between first pole segment 631 and base 10. In this way, it is advantageous to ensure that the third rod segment 651 and the fourth rod segment 653 are at the same height position, thereby facilitating the stability of the lifting connection assembly 60 when being engaged with the first slider 40 and the second slider 50, and further, improving the synchronicity of the first slider 40 and the second slider 50.
The present application also proposes a foldable housing assembly 1000, the foldable housing assembly 1000 comprises a first housing 200, a second housing 300 and the synchronization device 100 as described above, and the specific structure of the synchronization device 100 refers to the foregoing embodiments. Since the foldable housing assembly 1000 adopts all the technical solutions of all the aforementioned embodiments, at least all the beneficial effects brought by all the technical solutions of all the aforementioned embodiments are achieved, and no further description is given here.
The first housing 200 and the second housing 300 are disposed side by side, the synchronization device 100 is disposed between the first housing 200 and the second housing 300, the first connecting arm 20 of the synchronization device 100 is fixed to the first housing 200, and the second connecting arm 30 of the synchronization device 100 is fixed to the second housing 300.
The present application also proposes a foldable electronic device comprising a flexible screen and a foldable housing assembly 1000 as described above, the specific structure of the foldable housing assembly 1000 referring to the previous embodiments. Since the foldable electronic device adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by all the technical solutions of all the embodiments are achieved, and no further description is given here.
Wherein, the flexible screen is laid on the first casing 200 and the second casing 300 of the foldable casing assembly 1000 in sequence.
It is understood that the foldable electronic device may be, but is not limited to, a foldable mobile phone, a foldable tablet computer, a foldable Personal Digital Assistant (PDA), a foldable e-book reader, a foldable MP3 (Moving Picture Experts Group Audio Layer III) player, a foldable MP4 (Moving Picture Experts Group Audio Layer IV) player, a foldable wearable device, a foldable navigator, a foldable handheld game console, etc.
The above description is only an alternative embodiment of the present application, and not intended to limit the scope of the present application, and all modifications and equivalents of the technical solutions that can be directly or indirectly applied to other related fields without departing from the spirit of the present application are intended to be included in the scope of the present application.
Claims (12)
1. A synchronization apparatus, comprising:
a base;
a first link arm pivotally connected to the base, the first link arm being pivotal relative to the base and having an expanded state and a collapsed state;
a second link arm rotatably connected to the base, the second link arm rotating with respect to the base and having an unfolded state and a folded state, the first link arm in the unfolded state and the second link arm in the unfolded state being arranged in opposite directions;
the first sliding piece is connected to the base in a sliding mode, the sliding direction of the first sliding piece is parallel to the length direction of the first connecting arm in the unfolding state, and the first sliding piece is in transmission connection with the first connecting arm;
the second sliding part is connected to the base in a sliding mode, the sliding direction of the second sliding part is parallel to the length direction of the second connecting arm in the unfolding state, and the second sliding part is in transmission connection with the second connecting arm; and
the connecting assembly is movably connected to the base and provided with a first connecting end and a second connecting end which are connected, the first connecting end is connected with the first sliding piece, and the second connecting end is connected with the second sliding piece;
the connecting assembly moves relative to the base, so that the first sliding piece and the second sliding piece synchronously slide towards opposite directions to drive the first connecting arm and the second connecting arm to synchronously rotate to fold or unfold.
2. The synchronization device according to claim 1, wherein the base has a first sliding slot along a direction from the first connecting arm to the second connecting arm, the first sliding member is at least partially inserted into the first sliding slot, and the second sliding member is at least partially inserted into the first sliding slot.
3. The synchronization apparatus of claim 1, wherein the connection assembly comprises:
the third sliding part is arranged on the base and is in sliding connection with the base, a sliding path of the third sliding part is positioned between the first connecting arm and the second connecting arm and is arranged at an included angle with the sliding path of the first sliding part, and the first sliding part and the second sliding part are respectively positioned on two sides of the sliding path of the third sliding part;
one end of the first connecting rod is rotatably connected to the third sliding part, and one end of the first connecting rod, which is far away from the third sliding part, forms the first connecting end and is rotatably connected with the first sliding part; and
one end of the second connecting rod is rotatably connected to the third sliding part, and one end of the second connecting rod, which is far away from the third sliding part, forms the second connecting end and is rotatably connected with the second sliding part;
the third sliding piece slides relative to the base so as to drive the first sliding piece and the second sliding piece to synchronously slide in opposite directions through the first connecting rod and the second connecting rod.
4. The synchronous device according to claim 3, wherein the base has a second sliding slot along a sliding path of the third sliding member, the third sliding member includes a sliding end and a mounting end that are opposite to each other, the sliding end is inserted into the third sliding slot, an end of the first connecting rod that is opposite to the first sliding member is sleeved on the mounting end, and an end of the second connecting rod that is opposite to the second sliding member is sleeved on the mounting end.
5. The synchronizing device according to claim 4, wherein the second sliding groove has two opposite side walls, and the side walls are provided with limiting grooves along the length direction of the second sliding groove;
the side face of the sliding end faces the limiting groove, a limiting block is arranged in a protruding mode, and at least part of the limiting block is inserted into the limiting groove.
6. The synchronization device as claimed in claim 4, wherein the first link includes a first rod segment and a second rod segment connected to each other, an end of the first rod segment facing away from the second rod segment is sleeved on the mounting end, and an end of the second rod segment facing away from the first rod segment is rotatably connected to the first sliding member;
the second connecting rod comprises a third rod section and a fourth rod section which are connected, one end of the third rod section, which is back to the fourth rod section, is sleeved at the mounting end, and one end of the fourth rod section, which is back to the third rod section, is rotatably connected to the second sliding piece;
the second rod section is arranged in a sinking mode relative to the first rod section, the third rod section is arranged in a sinking mode relative to the fourth rod section, and the third rod section is located between the first rod section and the base.
7. The synchronization apparatus according to any one of claims 1 to 6, characterized in that the synchronization apparatus further comprises:
the first mounting plate is convexly arranged on the surface of the base, a first mounting shaft is convexly arranged on one plate surface of the first mounting plate, the first mounting shaft penetrates through the first connecting arm, and the first connecting arm is rotatably connected to the base through the first mounting shaft and the first mounting plate; and
the second mounting panel, the protruding locating of second mounting panel the protruding being equipped with of base the surface of first mounting panel, the protruding second installation axle that is equipped with of a face of second mounting panel, the second installation axle is worn to locate the second linking arm, the second linking arm passes through the second installation axle with the second mounting panel rotate connect in the base.
8. The synchronization device according to claim 7, wherein the first connecting arm includes a first connecting arm main body and a first rotating portion, the first mounting shaft is inserted through the first rotating portion, one end of the first connecting arm main body is fixed to the first rotating portion, and the other end of the first connecting arm main body is disposed away from the second connecting arm;
the second linking arm includes second linking arm main part and second rotation portion, the second installation axle is worn to locate the second rotation portion, the one end of second linking arm main part is fixed in the second rotation portion, the other end of second linking arm main part deviates from first linking arm sets up.
9. The synchronous device according to claim 8, wherein a side surface of the first rotating portion is a first gear surface, a surface of the first sliding member facing away from the base is a first rack surface, the first gear surface is engaged with the first rack surface, and the first sliding member drives the first rotating portion to rotate by the engagement of the first gear surface and the first rack surface, so as to rotate the first connecting arm;
the side surface of the second rotating part is a second gear surface, the surface of the second sliding part, which faces away from the base, is a second rack surface, the second gear surface is meshed with the second rack surface, and the second sliding part drives the second rotating part to rotate through the matching of the second gear surface and the second rack surface, so that the second connecting arm rotates.
10. The synchronization device according to claim 8, further comprising a first transmission rod, one end of the first transmission rod is hinged to the first rotating portion, the other end of the first transmission rod is hinged to the first sliding member, and the first transmission rod and the first rotating portion constitute a two-link mechanism to drive the first rotating portion to rotate;
the synchronizer further comprises a second transmission rod, one end of the second transmission rod is hinged to the second rotating portion, the other end of the second transmission rod is hinged to the second sliding piece, and the second transmission rod and the second rotating portion form a two-link mechanism so as to drive the second rotating portion to rotate.
11. A foldable housing assembly, comprising a first housing, a second housing, and a synchronization device as claimed in any one of claims 1 to 10, the first housing being arranged side-by-side with the second housing, the synchronization device being arranged between the first housing and the second housing, a first connecting arm of the synchronization device being fixed to the first housing, and a second connecting arm of the synchronization device being fixed to the second housing.
12. A foldable electronic device comprising a flexible screen and the foldable housing assembly of claim 11, the flexible screen being laid over the first and second housings of the foldable housing assembly in that order.
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| CN202010532806.0A CN111601484B (en) | 2020-06-11 | 2020-06-11 | Synchronizer, foldable shell assembly and foldable electronic equipment |
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| CN202010532806.0A CN111601484B (en) | 2020-06-11 | 2020-06-11 | Synchronizer, foldable shell assembly and foldable electronic equipment |
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