CN111770223A - Synchronizer, foldable shell assembly and foldable electronic equipment - Google Patents
Synchronizer, foldable shell assembly and foldable electronic equipment Download PDFInfo
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- CN111770223A CN111770223A CN202010709366.1A CN202010709366A CN111770223A CN 111770223 A CN111770223 A CN 111770223A CN 202010709366 A CN202010709366 A CN 202010709366A CN 111770223 A CN111770223 A CN 111770223A
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- sliding
- connecting arm
- base
- housing
- rod section
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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
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
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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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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
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 rotating rod, wherein the sliding direction of the first sliding piece is consistent with the length direction of the first connecting arm in the unfolding state, the sliding direction of the second sliding piece is consistent with the length direction of the second connecting arm in the unfolding state, and the rotating rod is rotatably connected to the base; 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 rotating rod is provided with a first rod section in sliding connection with the first sliding piece and a second rod section in sliding connection with the second sliding piece; the rotating rod rotates 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.
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;
the connecting arm assembly comprises a first connecting arm and a second connecting arm, the first connecting arm is rotatably connected to the base and has an unfolded state and a folded state, and the second connecting arm is rotatably connected to the base and has an unfolded state and a folded state; the first connecting arm in the unfolding state and the second connecting arm in the unfolding state are arranged in opposite directions and are arranged in a staggered manner in the length direction and the width direction of the base;
the sliding assembly comprises a first sliding piece and a second sliding piece, the first sliding piece is connected to the base in a sliding mode, the sliding direction of the first sliding piece is consistent with 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 consistent with 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 rotating rod is provided with a first rod section and a second rod section which are arranged in opposite directions, the joint of the first rod section and the second rod section is positioned between the first sliding piece and the second sliding piece and is rotationally connected to the base so that the first rod section and the second rod section swing in opposite directions, the first sliding piece is slidably connected to the first rod section, the sliding direction of the first sliding piece is consistent with the length direction of the first rod section, and the second sliding piece is slidably connected to the second rod section, and the sliding direction of the second sliding piece is consistent with the length direction of the second rod section;
the rotating rod rotates relative to the base, the first rod section and the second rod section swing towards opposite directions, and the first sliding piece and the second sliding piece synchronously slide towards opposite directions so as 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;
the connecting arm assembly comprises a first connecting arm and a second connecting arm, the first connecting arm is rotatably connected to the base and has an unfolded state and a folded state, and the second connecting arm is rotatably connected to the base and has an unfolded state and a folded state; the first connecting arm in the unfolding state and the second connecting arm in the unfolding state are arranged in opposite directions and are arranged in a staggered manner in the length direction and the width direction of the base;
the sliding assembly comprises a first sliding piece and a second sliding piece, the first sliding piece is connected to the base in a sliding mode, the sliding direction of the first sliding piece is consistent with 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 consistent with 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 rotating rod is provided with a first rod section and a second rod section which are arranged in opposite directions, the joint of the first rod section and the second rod section is positioned between the first sliding piece and the second sliding piece and is rotationally connected to the base so that the first rod section and the second rod section swing in opposite directions, the first sliding piece is slidably connected to the first rod section, the sliding direction of the first sliding piece is consistent with the length direction of the first rod section, and the second sliding piece is slidably connected to the second rod section, and the sliding direction of the second sliding piece is consistent with the length direction of the second rod section;
the rotating rod rotates relative to the base, the first rod section and the second rod section swing towards opposite directions, and the first sliding piece and the second sliding piece synchronously slide towards opposite directions so as 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;
the connecting arm assembly comprises a first connecting arm and a second connecting arm, the first connecting arm is rotatably connected to the base and has an unfolded state and a folded state, and the second connecting arm is rotatably connected to the base and has an unfolded state and a folded state; the first connecting arm in the unfolding state and the second connecting arm in the unfolding state are arranged in opposite directions and are arranged in a staggered manner in the length direction and the width direction of the base;
the sliding assembly comprises a first sliding piece and a second sliding piece, the first sliding piece is connected to the base in a sliding mode, the sliding direction of the first sliding piece is consistent with 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 consistent with 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 rotating rod is provided with a first rod section and a second rod section which are arranged in opposite directions, the joint of the first rod section and the second rod section is positioned between the first sliding piece and the second sliding piece and is rotationally connected to the base so that the first rod section and the second rod section swing in opposite directions, the first sliding piece is slidably connected to the first rod section, the sliding direction of the first sliding piece is consistent with the length direction of the first rod section, and the second sliding piece is slidably connected to the second rod section, and the sliding direction of the second sliding piece is consistent with the length direction of the second rod section;
the rotating rod rotates relative to the base, the first rod section and the second rod section swing towards opposite directions, and the first sliding piece and the second sliding piece synchronously slide towards opposite directions so as 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 rotating rod 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 rotating 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 rotating 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 sliding part and the second sliding part move synchronously and in opposite directions, the second connecting arm can drive the first sliding part to move synchronously and in opposite directions through the second sliding part in transmission connection with the second connecting arm and the rotating rod connected between the first sliding part and the second sliding part, so that the first connecting arm in transmission connection with the first sliding part is driven by the first sliding part to rotate synchronously with the second connecting arm in opposite directions to the rotating direction of the second connecting arm, and the first housing of the foldable electronic device is driven by the first connecting arm to rotate synchronously with the second housing in opposite directions to the rotating direction of the second 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 folded states), 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 a top view of the synchronization device of FIG. 2;
FIG. 5 is a cross-sectional view of the synchronization device of FIG. 4 taken along line A-A;
fig. 6 is a schematic structural view of the synchronization device in fig. 2 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 apparatus 100, as shown in fig. 2 to 4, the synchronization apparatus 100 includes a base 10, a connecting arm assembly 20, a sliding assembly 30, and a rotating rod 40; the base 10 is used for providing a stable and firm mounting platform for the connecting arm assembly 20, the sliding assembly 30 and the rotating rod 40 between the first housing 200 and the second housing 300 of the foldable electronic device.
Specifically, the link arm assembly 20 includes a first link arm 21 and a second link arm 23, the first link arm 21 is rotatably connected to the base 10, the second link arm 23 is rotatably connected to the base 10, the first link arm 21 rotates relative to the base 10 and has an unfolded state and a folded state, and the second link arm 23 rotates relative to the base 10 and has an unfolded state and a folded state. And, the first connecting arm 21 in the unfolded state and the second connecting arm 23 in the unfolded state are disposed in opposite directions (i.e., the first connecting arm 21 in the unfolded state is disposed extending toward the first housing 200 of the foldable electronic device, and the second connecting arm 23 in the unfolded state is disposed extending toward the second housing 300 of the foldable electronic device); meanwhile, the first connecting arm 21 in the unfolded state and the second connecting arm 23 in the unfolded state are disposed in a staggered manner in the length direction of the base 10 and also in a staggered manner in the width direction of the base 10 (that is, the first connecting arm 21 in the unfolded state and the second connecting arm 23 in the unfolded state are disposed in a staggered manner in the width direction of the bent portion and are disposed in a staggered manner in the length direction of the bent portion). Wherein, the first connecting arm 21 is used for being fixedly connected with a first housing 200 of the foldable electronic device, and the second connecting arm 23 is used for being fixedly connected with a second housing 300 of the foldable electronic device; when the first and second link arms 21 and 23 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 21 and 23 are both in the folded state, it corresponds to the first and second housings 200 and 300 being both in the folded state.
The sliding assembly 30 comprises a first sliding member 31 and a second sliding member 33, the first sliding member 31 is slidably connected to the base 10, and the sliding direction of the first sliding member 31 is consistent with the length direction of the first connecting arm 21 in the unfolding state, and the first sliding member 31 is further in transmission connection with the first connecting arm 21; the second sliding member 33 is slidably connected to the base 10, and the sliding direction of the second sliding member 33 is consistent with the length direction of the second connecting arm 23 in the unfolding state, and the second sliding member 33 is further in transmission connection with the second connecting arm 23.
The rotating rod 40 has a first rod segment 41 and a second rod segment 43 arranged in opposite directions, the joint of the first rod segment 41 and the second rod segment 43 is located between the first slider 31 and the second slider 33, and is rotatably connected to the base 10 to make the first rod segment 41 and the second rod segment 43 swing in opposite directions; at this time, the first sliding member 31 is slidably connected to the first rod section 41, and the sliding direction is the same as the length direction of the first rod section 41, and the second sliding member 33 is slidably connected to the second rod section 43, and the sliding direction is the same as the length direction of the second rod section 43; wherein, the rotating rod 40 rotates relative to the base 10, the first rod segment 41 and the second rod segment 43 of the rotating rod 40 swing in opposite directions, so that the first slider 31 and the second slider 33 slide synchronously in opposite directions, so as to drive the first connecting arm 21 and the second connecting arm 23 to rotate synchronously for folding or unfolding.
At this time, referring to fig. 1, it can be understood that when the first connecting arm 21 rotates along with the first housing 200 of the foldable electronic device, since the first slider 31 and the second slider 33 move synchronously and in opposite directions, the first connecting arm 21 can drive the second slider 33 to move synchronously and in opposite directions with respect to the first slider 31 through the first slider 31 in transmission connection therewith and the rotating rod 40 connected between the first slider 31 and the second slider 33, so that the second connecting arm 23 in transmission connection therewith is driven by the second slider 33 to rotate synchronously with the first connecting arm 21 in a direction opposite to the rotating direction of the first connecting arm 21, and the second housing 300 of the foldable electronic device is driven by the second connecting arm 23 to rotate synchronously with respect to the first housing 200 in a direction opposite to the rotating direction of the first housing 200, until the first connecting arm 21 and the second connecting arm 23 are overlapped (i.e. the first connecting arm 21 and the second connecting arm 23 are both in the folded state), and until the first casing 200 and the second casing 300 are overlapped (i.e. the first casing 200 and the second casing 300 are both in the folded state). Similarly, when the second connecting arm 23 rotates along with the second housing 300 of the foldable electronic device, because the first slider 31 and the second slider 33 move synchronously and in opposite directions, the second connecting arm 23 can drive the first slider 31 to move synchronously and in opposite directions through the second slider 33 in transmission connection with the second slider 33 and the rotating rod 40 connected between the first slider 31 and the second slider 33, so that the first connecting arm 21 in transmission connection with the first slider 31 rotates synchronously with the second connecting arm 23 and in opposite direction to the rotating direction of the second connecting arm 23, and the first housing 200 of the foldable electronic device is driven to rotate synchronously with the second housing 300 through the first connecting arm 21 and in opposite direction to the rotating direction of the second housing 300 until the first connecting arm 21 and the second connecting arm 23 are overlapped (i.e. the first connecting arm 21 and the second connecting arm 23 are both located at the same position) In a folded state) until the first casing 200 and the second casing 300 are folded (i.e., the first casing 200 and the second casing 300 are both in a folded state).
That is, through the synchronizer 100 of this embodiment, the first connecting arm 21 and the second connecting arm 23 can be effectively controlled to be folded or unfolded at the same speed, so that the operating speeds of the first connecting arm 21 and the second connecting arm 23 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. In addition, the first slider 31 and the second slider 33 of the synchronization device 100 can drive the first connecting arm 21 and the second connecting arm 23 to synchronously rotate and overlap in the process of mutual approaching synchronous movement; the first connecting arm 21 and the second connecting arm 23 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 31 during sliding and enhance the stability of the second sliding member 33 during sliding, the base 10 is provided with a first sliding slot 11 along the length direction of the first connecting arm 21 in the unfolded state, and the first sliding member 31 is at least partially inserted into the first sliding slot 11; moreover, the base 10 is provided with a second sliding slot 13 along the length direction of the second connecting arm 23 in the unfolding state, and the second sliding member 33 is at least partially inserted into the second sliding slot 13.
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 50 and a second mounting plate 60;
the first mounting plate 50 is convexly arranged on the surface of the base 10, a first mounting shaft 51 is convexly arranged on one plate surface of the first mounting plate 50, the first mounting shaft 51 penetrates through the first connecting arm 21, and the first connecting arm 21 is rotatably connected to the base 10 through the first mounting shaft 51 and the first mounting plate 50;
the protruding surface that is equipped with first mounting panel 50 of base 10 is located to the second mounting panel 60 arch, and the protruding second installation axle 61 that is equipped with of a face of second mounting panel 60, second connecting arm 23 is worn to locate by second installation axle 61, and second connecting arm 23 rotates through second installation axle 61 and second mounting panel 60 and connects in base 10.
As can be understood, such a mounting manner can ensure not only the stability of the first connecting arm 21 when rotating, but also the stability of the second connecting arm 23 when rotating; moreover, a certain distance can be left between the first connecting arm 21 and the base 10, and a certain distance can be left between the second connecting arm 23 and the base 10, so that the layout of the transmission relationship between the first sliding member 31 and the first connecting arm 21 and the layout of the transmission relationship between the second sliding member 33 and the second connecting arm 23 are facilitated.
It should be noted that the first mounting plate 50 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 60 may be integrally formed with the base 10, or may be detachably connected to the base 10, and after being separately 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, as shown in fig. 3, in order to facilitate the connection of the first connecting arm 21 and the first housing 200 of the foldable electronic device, the first connecting arm 21 includes a first connecting arm main body 211 and a first rotating portion 213, the first mounting shaft 51 is inserted into the first rotating portion 213, one end of the first connecting arm main body 211 is fixed to the first rotating portion 213, and the other end of the first connecting arm main body 211 is disposed away from the second connecting arm 23. In this way, the end of the first connecting arm body 211 facing away from the first rotating part 213 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 23 and the second housing 300 of the foldable electronic device, the second connecting arm 23 includes a second connecting arm main body 231 and a second rotating portion 233, the second mounting shaft 61 penetrates through the second rotating portion 233, one end of the second connecting arm main body 231 is fixed to the second rotating portion 233, and the other end of the second connecting arm main body 231 is away from the first connecting arm 21. In this way, the end of the second connecting arm main body 231 facing away from the second rotating part 233 can be used for connection with the second housing 300 of the foldable electronic device, which is simple, convenient and reliable.
Further, the transmission relationship between the first connecting arm 21 and the first sliding member 31, and the transmission connection between the second connecting arm 23 and the second sliding member 33 can be realized by a gear-rack transmission manner, and the specific structure is as shown in fig. 3 to 5:
the first rotating portion 213 has a side surface which is a first gear surface 2131, a side surface of the first sliding member 31 facing away from the base 10 is a first rack surface 311, the first gear surface 2131 is engaged with the first rack surface 311, and the first sliding member 31 drives the first rotating portion 213 to rotate through the cooperation between the first gear surface 2131 and the first rack surface 311, so as to rotate the first connecting arm 21;
the second rotation portion 233 is laterally provided with a second gear surface 2331, a side surface of the second sliding component 33 facing away from the base 10 is provided with a second gear surface 331, the second gear surface 2331 is engaged with the second gear surface 331, and the second sliding component 33 drives the second rotation portion 233 to rotate through the cooperation of the second gear surface 2331 and the second gear surface 331, so as to rotate the second connection arm 23.
Understandably, the transmission mode has the advantages of simple structure, convenience in manufacturing, rapidness in assembly, strong stability, high reliability and the like. Moreover, compared with the prior art in which the first connecting arm 21 and the second connecting arm 23 synchronously rotate through a plurality of gear pairs (for example, 5 gear pairs consisting of 6 gears), the synchronization device 100 only includes 2 gear pairs, which effectively reduces the number of gear pairs between the first connecting arm 21 and the second connecting arm 23, reduces the occurrence probability of the idle movement of the synchronization device 100 during the operation process, thereby improving the synchronism of the first connecting arm 21 and the second connecting arm 23 in the synchronizer 100, realizing better synchronous rotation between two shells respectively connected with the two connecting arms in the foldable electronic device, realizing better synchronous rotation between two non-bending areas of the flexible screen supported by the two shells, and then the uniformity of the stress of the bending area of the flexible screen is improved, and the possibility of damage of the flexible screen is reduced.
Of course, in other embodiments, the transmission relationship between the first connecting arm 21 and the first sliding member 31 and the transmission connection between the second connecting arm 23 and the second sliding member 33 can also be realized by a connecting rod transmission manner, and those skilled in the art can perform reasonable setting according to actual product requirements, which is not described herein again.
The following describes a specific structure of the connecting assembly in the synchronization device 100 with reference to the embodiments shown in fig. 3 to 5:
in this embodiment, the base 10 is convexly provided with a rotating shaft 15 between the first sliding member 31 and the second sliding member 33, a connecting portion of the first rod section 41 and the second rod section 43 is provided with a shaft hole 45 penetrating through the rotating rod 40, the rotating shaft 15 is disposed through the shaft hole 45, and the rotating rod 40 is rotatably connected to the base 10 through the matching of the shaft hole 45 and the rotating shaft 15. It can be understood that the way of the shaft hole 45 and the rotation shaft 15 are mutually matched not only can effectively realize the rotation of the rotation rod 40 relative to the base 10, but also can make the rotation process of the rotation rod 40 more stable and reliable. Moreover, the rotary rod 40 is rotatably connected with the base 10 by the above-mentioned manner, and the device also has the advantages of simple structure, convenient manufacture, quick assembly and the like.
It should be noted that the rotating shaft 15 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 rotating shaft is assembled together by means of an assembly relationship (such as a snap connection, a screw connection, a mortise and tenon connection, etc.).
Further, as shown in fig. 3 to fig. 5, the synchronization device 100 further includes a limiting member 17, and the limiting member 17 is fixed to an end of the rotating shaft 15 away from the base 10 to prevent the rotating rod 40 from disengaging from the rotating shaft 15. In particular, the structure of the limiting member 17 can have various forms, such as: (1) the limiting member 17 may be a disk structure, the disk structure is covered on the end surface of the rotating shaft 15 departing from the base 10, and the outer edge of the disk structure is arranged beyond the side wall of the rotating shaft 15; (2) the limiting member 17 may also be a strip-shaped structure, the strip-shaped structure is horizontally disposed on the end surface of the rotating shaft 15, which is away from the base 10, and both ends of the strip-shaped structure exceed the side wall of the rotating shaft 15. Of course, those skilled in the art can perform other reasonable configurations according to the actual product form, and the details are not repeated herein.
It should be noted that the connection mode of the limiting member 17 and the rotating shaft 15 may be insertion connection, adhesive connection, threaded connection, snap connection, mortise and tenon connection, etc.
The embodiments shown in fig. 3 to 5 show a possible arrangement of the limiting member 17, which is as follows: plug-in hole 151 has been seted up to the terminal surface that deviates from base 10 of pivot 15, and locating part 17 includes grafting portion 171 and spacing portion 173, and the one end of grafting portion 171 is located to spacing portion 173, and grafting portion 171 inserts and locates plug-in hole 151, and spacing portion 173 at least part surpasss the lateral wall of pivot 15. In this embodiment, the inserting portion 171 is a cylindrical structure, the limiting portion 173 is a disc structure, the cylindrical structure is convexly disposed at a middle position of a disc surface of the disc structure, the cylindrical structure is accommodated in the inserting hole 151, the disc structure is covered on an end surface of the rotating shaft 15, the end surface is away from the base 10, and an outer edge of the disc structure is disposed beyond a side wall of the rotating shaft 15. At this time, the outer edge of the disk structure beyond the side wall of the rotating shaft 15 is limited to abut against the lower rotating rod 40, thereby preventing the rotating rod 40 from being separated from the rotating shaft 15. Of course, in other embodiments, the limiting portion 173 may also be a fan-shaped structure, the center of the fan-shaped structure is connected to the inserting portion 171, and the edge of the fan-shaped structure exceeds the side wall of the rotating shaft 15; alternatively, the limiting portion 173 is a strip-shaped structure, one end of the strip-shaped structure is connected to the inserting portion 171, and the other end of the strip-shaped structure exceeds the side wall of the rotating shaft 15; alternatively, the limiting portion 173 is a strip-shaped structure, the inserting portion 171 is connected between two ends of the strip-shaped structure, and two ends of the strip-shaped structure both exceed the side wall of the rotating shaft 15; and the like.
According to the technical scheme of the embodiment, the limiting part 17 is fixed on the rotating shaft 15 in an inserting mode, the limiting part 17 and the rotating shaft 15 are in a detachable connection relationship, and replacement and maintenance of later-stage parts can be facilitated. In addition, the technical scheme of the embodiment also has the advantages of simple structure, convenience in manufacturing, rapidness in assembly and the like.
Further, as shown in fig. 3 to 5, the synchronization device 100 further includes an elastic element 19, wherein the elastic element 19 is sleeved on the rotation shaft 15 and located between the base 10 and the rotation rod 40 to drive the rotation rod 40 to abut against the limiting portion 173. At this time, due to the abutting action of the elastic element 19, the rotating rod 40 can have a movement tendency deviating from the base 10, so that the rotating rod 40 is always abutted against the limiting part 173 in the rotating process, a friction damping effect is formed between the limiting part and the rotating rod, the rotating rod 40 can be kept at any position in the rotating process under the condition of no driving force action, the first sliding element 31, the second sliding element 33, the first connecting arm 21 and the second connecting arm 23 can be kept at any position in the respective moving process under the condition of no driving force action, and finally the foldable electronic device can be suspended in the unfolding or folding process to meet different use requirements of users.
It will be appreciated that the resilient member 19 may be a spring, a spring washer, a resilient rubber ring, or the like. Of course, those skilled in the art can also make other reasonable configurations according to actual product requirements, and they are not listed here.
The following describes the sliding connection of the first slider 31 to the first rod section 41 and the sliding connection of the second slider 33 to the second rod section 43:
in the embodiment shown in fig. 3 to 5, the first sliding member 31 has a first connection end 313, the orientation of the first connection end 313 is opposite to the orientation of the first connection arm 21 in the unfolded state, a first sliding column 315 is protruded from a surface of the first connection end 313 facing away from the base 10, a first sliding slot 411 is opened on a surface of the first rod section 41 facing the base 10 along the length direction of the first rod section 41, and the first sliding column 315 is inserted into the first sliding slot 411;
the second sliding member 33 has a second connecting end 333, the second connecting end 333 faces opposite to the second connecting arm 23 in the unfolded state, a second sliding column 335 is protruded from a surface of the second connecting end 333 facing away from the base 10, a second sliding groove 431 is opened on a surface of the second rod section 43 facing the base 10 along the length direction of the second rod section 43, and the second sliding column 335 is inserted into the second sliding groove 431.
At this time, as can be understood by referring to fig. 2 and 6, when the first connecting arm 21 rotates and drives the first slider 31 to slide in a direction away from the second slider 33 (i.e. to the left), the first sliding column 315 on the first slider 31 slides in the first sliding slot 411 toward the end of the first rod segment 41 away from the second rod segment 43, and drives the first rod segment 41 to swing during the sliding process, so that the rotating rod 40 rotates, and the second rod segment 43 is driven to swing in a direction opposite to the swinging direction of the first rod segment 41; at this time, the second rod segment 43 drives the second sliding member 33 provided with the second sliding column 335 to slide in a direction away from the first sliding member 31 (i.e. to the right) through the cooperation of the second sliding groove 431 and the second sliding column 335, so as to realize synchronous sliding of the first sliding member 31 and the second sliding member 33 in opposite directions; at this time, the first link arm 21 and the second link arm 23 rotate synchronously to overlap. Similarly, when the first connecting arm 21 rotates and drives the first sliding member 31 to slide toward a direction close to the second sliding member 33 (i.e., to the right), the first sliding column 315 on the first sliding member 31 slides toward one end of the first rod segment 41 facing the second rod segment 43 in the first sliding slot 411, and drives the first rod segment 41 to swing during the sliding process, so that the rotating rod 40 rotates, and the second rod segment 43 is driven to swing toward a direction opposite to the swinging direction of the first rod segment 41; at this time, the second rod segment 43 drives the second sliding member 33 provided with the second sliding column 335 to slide toward the direction close to the first sliding member 31 (i.e. to the left) through the cooperation of the second sliding groove 431 and the second sliding column 335, so as to realize the synchronous sliding of the first sliding member 31 and the second sliding member 33 toward the opposite direction; at this time, the first link arm 21 and the second link arm 23 rotate synchronously to be unfolded.
Similarly, when the second connecting arm 23 rotates and drives the second slider 33 to slide in a direction away from the first slider 31 (i.e. to the right), the second sliding column 335 on the second slider 33 slides in the second sliding groove 431 toward the end of the second rod segment 43 away from the first rod segment 41, and drives the second rod segment 43 to swing during the sliding process, so that the rotating rod 40 rotates, and the first rod segment 41 is driven to swing in a direction opposite to the swinging direction of the second rod segment 43; at this time, the first rod segment 41 drives the first sliding piece 31 provided with the first sliding column 315 to slide in a direction away from the second sliding piece 33 (i.e. to the left) through the cooperation of the first sliding slot 411 and the first sliding column 315, so as to realize synchronous sliding of the first sliding piece 31 and the second sliding piece 33 in opposite directions; at this time, the first link arm 21 and the second link arm 23 rotate synchronously to overlap. Similarly, when the second connecting arm 23 rotates and drives the second slider 33 to slide toward a direction close to the first slider 31 (i.e., to the left), the second sliding column 335 on the second slider 33 slides toward the end of the second rod segment 43 facing the first rod segment 41 in the second sliding groove 431, and drives the second rod segment 43 to swing during the sliding process, so that the rotating rod 40 rotates, and the first rod segment 41 is driven to swing toward a direction opposite to the swinging direction of the second rod segment 43; at this time, the first rod segment 41 drives the first sliding piece 31 provided with the first sliding column 315 to slide towards the direction close to the second sliding piece 33 (i.e. towards the right) through the cooperation of the first sliding slot 411 and the first sliding column 315, so as to realize the synchronous sliding of the first sliding piece 31 and the second sliding piece 33 towards the opposite directions; at this time, the first link arm 21 and the second link arm 23 rotate synchronously to be unfolded.
It can be understood that, according to the technical solution of the present embodiment, not only can the first sliding member 31 and the second sliding member 33 be ensured to synchronously slide towards opposite directions, but also the first connecting arm 21 and the second connecting arm 23 can synchronously rotate; 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.
An embodiment of the present application also provides a foldable housing assembly 1000, the foldable housing assembly 1000 includes 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 21 of the synchronization device 100 is fixed to the first housing 200, and the second connecting arm 23 of the synchronization device 100 is fixed to the second housing 300.
An embodiment of the present application also proposes a foldable electronic device, which includes a flexible screen and the foldable housing assembly 1000 as described above, and the specific structure of the foldable housing assembly 1000 refers to the foregoing 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;
the connecting arm assembly comprises a first connecting arm and a second connecting arm, the first connecting arm is rotatably connected to the base and has an unfolded state and a folded state, and the second connecting arm is rotatably connected to the base and has an unfolded state and a folded state; the first connecting arm in the unfolding state and the second connecting arm in the unfolding state are arranged in opposite directions and are arranged in a staggered manner in the length direction and the width direction of the base;
the sliding assembly comprises a first sliding piece and a second sliding piece, the first sliding piece is connected to the base in a sliding mode, the sliding direction of the first sliding piece is consistent with 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 consistent with 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 rotating rod is provided with a first rod section and a second rod section which are arranged in opposite directions, the joint of the first rod section and the second rod section is positioned between the first sliding piece and the second sliding piece and is rotationally connected to the base so that the first rod section and the second rod section swing in opposite directions, the first sliding piece is slidably connected to the first rod section, the sliding direction of the first sliding piece is consistent with the length direction of the first rod section, and the second sliding piece is slidably connected to the second rod section, and the sliding direction of the second sliding piece is consistent with the length direction of the second rod section;
the rotating rod rotates relative to the base, the first rod section and the second rod section swing towards opposite directions, and the first sliding piece and the second sliding piece synchronously slide towards opposite directions so as to drive the first connecting arm and the second connecting arm to synchronously rotate to fold or unfold.
2. The synchronous device according to claim 1, wherein a rotating shaft is convexly disposed on the base between the first sliding member and the second sliding member, a shaft hole penetrating through the rotating rod is disposed at a joint of the first rod section and the second rod section, the rotating shaft is disposed through the shaft hole, and the rotating rod is rotatably connected to the base through the cooperation of the shaft hole and the rotating shaft.
3. The synchronization apparatus as claimed in claim 2, further comprising a limiting member fixed to an end of the rotation shaft facing away from the base to prevent the rotation shaft from being disengaged from the rotation shaft.
4. The synchronous device according to claim 3, wherein an insertion hole is formed in an end surface of the rotating shaft facing away from the base, the limiting member includes an insertion portion and a limiting portion, the limiting portion is disposed at one end of the insertion portion, the insertion portion is inserted into the insertion hole, and the limiting portion at least partially extends beyond a side wall of the rotating shaft.
5. The synchronizing device according to claim 4, further comprising an elastic member, wherein the elastic member is sleeved on the rotating shaft and located between the base and the rotating rod to drive the rotating rod to abut against the limiting portion.
6. The synchronous device according to claim 1, wherein the first sliding member has a first connecting end facing opposite to the first connecting arm in the unfolded state, a first sliding column is protruded from a surface of the first connecting end facing away from the base, a first sliding groove is formed in a surface of the first rod section facing the base along a length direction of the first rod section, and the first sliding column is inserted into the first sliding groove;
the second sliding part is provided with a second connecting end, the orientation of the second connecting end is opposite to that of the second connecting arm in the unfolding state, a second sliding column is convexly arranged on the surface of the second connecting end, which is far away from the base, a second sliding groove is formed in the surface of the second rod section, which faces the base, along the length direction of the second rod section, and the second sliding column is inserted into the second sliding groove.
7. The synchronization device as claimed in claim 1, wherein the base is provided with a first sliding slot along a length direction of the first connecting arm in the unfolded state, and the first sliding member is at least partially inserted into the first sliding slot;
the base is provided with a second sliding groove along the length direction of the second connecting arm in the unfolding state, and at least part of the second sliding part is inserted into the second sliding groove.
8. The synchronization apparatus according to any one of claims 1 to 7, 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.
9. The synchronization device according to claim 8, 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.
10. The synchronous device according to claim 9, wherein a side surface of the first rotating portion is a first gear surface, a side surface of the first sliding member facing away from the base is provided with 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 through 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, one side, back to the base, of the second sliding part is provided with 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.
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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| CN202010709366.1A CN111770223B (en) | 2020-07-21 | 2020-07-21 | Synchronizer, foldable shell assembly and foldable electronic equipment |
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| CN202010709366.1A CN111770223B (en) | 2020-07-21 | 2020-07-21 | Synchronizer, foldable shell assembly and foldable electronic equipment |
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| CN111770223B CN111770223B (en) | 2021-07-30 |
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| CN117128232A (en) * | 2023-02-28 | 2023-11-28 | 荣耀终端有限公司 | Synchronous assembly, rotating mechanism and electronic equipment |
| CN117366092A (en) * | 2023-12-08 | 2024-01-09 | 荣耀终端有限公司 | Rotating shaft mechanism, supporting device and folding screen equipment |
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