CN115949665B - Hinge mechanism and foldable electronic equipment - Google Patents
Hinge mechanism and foldable electronic equipment Download PDFInfo
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- CN115949665B CN115949665B CN202310226602.8A CN202310226602A CN115949665B CN 115949665 B CN115949665 B CN 115949665B CN 202310226602 A CN202310226602 A CN 202310226602A CN 115949665 B CN115949665 B CN 115949665B
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Abstract
The embodiment of the application provides a hinge mechanism and foldable electronic equipment, wherein in the hinge mechanism, the first end of a first auxiliary swing arm is in threaded fit with a synchronous sliding block, the first end of a second auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of a third auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of a fourth auxiliary swing arm is in threaded fit with the synchronous sliding block, a first elastic component is arranged between the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm, and a second elastic component is arranged between the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm, so that the rotation synchronism of a first structural member and a second structural member of the foldable electronic equipment in the folding or unfolding process can be improved, and the experience of a user can be improved.
Description
Technical Field
The present application relates to the field of terminal devices, and in particular, to a hinge mechanism and a foldable electronic device.
Background
Electronic devices such as mobile phones and computers are indistinguishable from our lives, are visible everywhere in life, and greatly improve the living standard of people. With the rapid development of communication device technology, the screen display effect of electronic devices is getting more and more important, however, the size of the electronic devices restricts the expansion of the screen size.
In the prior art, in order to realize a larger screen area on a smaller electronic device, the electronic device may adopt a folding structure. Specifically, the foldable electronic device generally includes a first housing, a second housing, and a hinge mechanism, where the first housing and the second housing are rotationally connected through the hinge mechanism, so that the first housing and the second housing can rotate relatively to fold or unfold the first housing and the second housing. The flexible screen is covered on the first shell, the second shell and the hinge mechanism, and when the first shell and the second shell relatively rotate to be in the same plane unfolding state through the hinge mechanism, the flexible screen is unfolded along with the first shell and the second shell; the first shell and the second shell are rotated to be in a folding state relative to each other through the hinge mechanism, the flexible screen is also arranged between the first shell and the second shell in a folding mode, or the first shell and the second shell are rotated to be in a folding state relative to each other through the hinge mechanism, and the flexible screen is also arranged on the outer sides of the first shell and the second shell in a folding mode.
However, in the folding or unfolding process of the foldable electronic device, the synchronicity of the first housing and the second housing is poor when the first housing and the second housing rotate, which results in poor user experience of the foldable electronic device.
Disclosure of Invention
The embodiment of the application provides a hinge mechanism and foldable electronic equipment, which solve the problem that the existing foldable electronic equipment is poor in synchronism of a first shell and a second shell in rotation in the folding or unfolding process, and can improve the rotation synchronism of the first shell and the second shell, so that the experience of a user can be improved.
A first aspect of an embodiment of the present application provides a hinge mechanism applied to a foldable electronic device, including: the device comprises a main shaft assembly, a first main swing arm, a second main swing arm, a first linkage assembly, a second linkage assembly, a first structural member and a second structural member, wherein the first main swing arm and the second main swing arm are positioned at two sides of the main shaft assembly; the spindle assembly includes: the device comprises a supporting plate, a linkage base and a synchronous sliding block; the linkage base is fixedly connected with the supporting plate, and the synchronous sliding block is in sliding connection with the linkage base;
the first end of the first main swing arm is rotationally connected with the supporting plate, and the second end of the first main swing arm is rotationally connected with the first structural member; the first end of the second main swing arm is rotationally connected with the supporting plate, and the second end of the second main swing arm is rotationally connected with the second structural member; the first linkage assembly comprises a first auxiliary swing arm and a second auxiliary swing arm, and the second linkage assembly comprises a third auxiliary swing arm and a fourth auxiliary swing arm;
The first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm are rotationally connected with the linkage base, and the second end of the first auxiliary swing arm and the second end of the second auxiliary swing arm are slidingly connected with the first structural member; the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm are rotationally connected with the linkage base, and the second end of the third auxiliary swing arm and the second end of the fourth auxiliary swing arm are in sliding connection with the second structural member;
the first end of the first auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of the second auxiliary swing arm is in threaded fit with the synchronous sliding block, and a first elastic component is arranged between the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm; the first end of the third auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of the fourth auxiliary swing arm is in threaded fit with the synchronous sliding block, and a second elastic component is arranged between the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm.
According to the hinge mechanism provided by the embodiment of the application, the first end of the first auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of the second auxiliary swing arm is in threaded fit with the synchronous sliding block, the first elastic component is arranged between the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm, the first end of the third auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of the fourth auxiliary swing arm is in threaded fit with the synchronous sliding block, and the second elastic component is arranged between the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm, so that the first elastic component clamps the first auxiliary swing arm and the second auxiliary swing arm from inside to outside, and the second elastic component clamps the third auxiliary swing arm and the fourth auxiliary swing arm from inside to outside, so that the first structural component and the second structural component can be kept to rotate synchronously in the opening and closing process. In addition, through increasing the compressive force that first elastic component and second elastic component provided, can also reduce the wearing and tearing of the helicoid of first pair swing arm, second pair swing arm, third pair swing arm, fourth pair swing arm and synchronous slider and buckle ageing caused synchronism worsens the problem.
In an alternative implementation, the linkage mount includes: the base body and the first fixing shaft and the second fixing shaft are fixedly connected with the base body; the first fixing shaft and the second fixing shaft are respectively located at two sides of the central axis of the base body, the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm rotate around the first fixing shaft, and the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm rotate around the second fixing shaft.
The first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm rotate around the first fixed shaft, so that the first auxiliary swing arm and the second auxiliary swing arm can be connected with the linkage base in a rotating way. The first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm rotate around the second fixed shaft, so that the third auxiliary swing arm and the fourth auxiliary swing arm can be rotationally connected with the linkage base.
In an alternative implementation manner, the first elastic component is arranged on the first fixed shaft in a penetrating manner, one end of the first elastic component is abutted against the first end of the first auxiliary swing arm, and the other end of the first elastic component is abutted against the first end of the second auxiliary swing arm; the second elastic component is arranged on the second fixed shaft in a penetrating way, one end of the second elastic component is abutted against the first end of the third auxiliary swing arm, and the other end of the second elastic component is abutted against the first end of the fourth auxiliary swing arm.
Because screw thread fit between the first end of the first pair of swing arms and the first end of the second pair of swing arms and the synchronous slide block, one end of the first elastic component is abutted against the first end of the first pair of swing arms, and the other end of the first elastic component is abutted against the first end of the second pair of swing arms, the first pair of swing arms and the second pair of swing arms can be clamped by the first elastic component from inside to outside, and the first pair of swing arms and the second pair of swing arms are completely attached to both side spiral surfaces of the synchronous slide block. Because screw thread fit between the first end of third pair of swing arm and the first end of fourth pair of swing arm and the synchronous slider, the one end of second elastic component and the first end butt of third pair of swing arm, the other end butt of second elastic component and the first end butt of fourth pair of swing arm can ensure that second elastic component presss from both sides tight third pair of swing arm and fourth pair of swing arm from inside to outside for third pair of swing arm and fourth pair of swing arm are laminated with synchronous slider's both sides helicoid completely.
In addition, the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm rotate around the first fixed shaft, and the first elastic assembly is arranged on the first fixed shaft in a penetrating mode, orientation force and supporting force can be provided for the first elastic assembly, so that the first elastic assembly is compressed or stretched along the extending direction of the first fixed shaft. The first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm rotate around the second fixed shaft, and the second elastic assembly is arranged on the second fixed shaft in a penetrating mode, orientation force and supporting force can be provided for the second elastic assembly, so that the second elastic assembly is compressed or stretched along the extending direction of the second fixed shaft.
In an alternative implementation, the synchronization slider includes: a main body portion, a first slider portion, a second slider portion, a third slider portion, and a fourth slider portion connected to the main body portion; the first sliding block part and the second sliding block part are arranged on the first fixed shaft in a penetrating way, and the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm are positioned between the first sliding block part and the second sliding block part; the third sliding block part and the fourth sliding block part are arranged on the second fixed shaft in a penetrating way, and the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm are positioned between the third sliding block part and the fourth sliding block part; and the main body part is positioned between the base body and the supporting plate.
The first sliding block part and the second sliding block part are arranged on the first fixed shaft in a penetrating way, and the third sliding block part and the fourth sliding block part are arranged on the second fixed shaft in a penetrating way, so that the synchronous sliding block can slide on the linkage base along the extending direction of the first fixed shaft and the second fixed shaft.
In an alternative implementation, a snap spring is provided between the base body and the support plate. The base body and the supporting plate of the base are provided with the buckling elastic pieces, and the hinge mechanism generates damping force between the base body and the supporting plate due to the fact that the main body of the synchronous sliding block is located between the base body and the supporting plate in the rotation process, and the hinge mechanism generates in-place handfeel along with the damping force when being flattened and closed.
In an optional implementation manner, a fixed block is arranged on one surface of the supporting plate, facing the base body, and a matching groove matched with the outer contour of the buckle elastic sheet is arranged on the main body part of the synchronous sliding block; the matching groove is internally provided with the buckling elastic piece, and the buckling elastic piece is clamped on the fixing block.
Through set up the cooperation groove on synchronous slider's main part, buckle shell fragment is located the cooperation inslot, because synchronous slider's main part is located between base body and the backup pad, promptly built-in buckle shell fragment between base body and backup pad, the damping force that buckle shell fragment and synchronous slider motion contact produced in the in-process of opening and shutting is integrated damping and synchro mechanism, has reduced the whole space occupation rate of synchronous damping structure in hinge mechanism, and this kind of damping structure can avoid simultaneously because the frivolous design of hinge mechanism leads to the damping structure because of the top screen problem that the backup pad intensity is insufficient leads to down, further simplify hinge mechanism structural design under the frivolous design trend of folder.
In addition, through being provided with the fixed block on the one side of backup pad towards the base body, the buckle shell fragment is located the cooperation inslot, and buckle shell fragment joint can ensure the fixed connection between interlock base and the backup pad on the fixed block.
In an alternative implementation manner, the first end of the first auxiliary swing arm is provided with a first threaded part, the first sliding block part is provided with a second threaded part matched with the first threaded part, and the first end of the first auxiliary swing arm is connected with the first sliding block part in a matched manner through the first threaded part and the second threaded part; the first end of the second auxiliary swing arm is provided with a third threaded part, the second sliding block part is provided with a fourth threaded part matched with the third threaded part, and the first end of the second auxiliary swing arm is connected with the second sliding block part in a matched manner through the third threaded part and the fourth threaded part;
the first end of the third auxiliary swing arm is provided with a fifth threaded part, the third sliding block part is provided with a sixth threaded part matched with the fifth threaded part, and the first end of the third auxiliary swing arm is connected with the third sliding block part in a matched manner through the fifth threaded part and the sixth threaded part; the first end of the fourth auxiliary swing arm is provided with a seventh threaded part, the fourth sliding block part is provided with an eighth threaded part matched with the seventh threaded part, and the first end of the fourth auxiliary swing arm is connected with the fourth sliding block part in a matched mode through the seventh threaded part and the eighth threaded part.
Thus, the first end of the first auxiliary swing arm is in threaded fit with the first slider part of the synchronous slider, the first end of the second auxiliary swing arm is in threaded fit with the second slider part of the synchronous slider, the first end of the third auxiliary swing arm is in threaded fit with the third slider part of the synchronous slider, and the first end of the fourth auxiliary swing arm is in threaded fit with the fourth slider part of the synchronous slider.
In an alternative implementation manner, a first sliding groove is formed in the first structural member, and the second end of the first auxiliary swing arm and the second end of the second auxiliary swing arm slide in the first sliding groove; the second structural member is provided with a second sliding groove, and the second end of the third auxiliary swing arm and the second end of the fourth auxiliary swing arm slide in the second sliding groove.
Therefore, the second end of the first auxiliary swing arm, the second end of the second auxiliary swing arm and the first structural member can be connected in a sliding mode, and the second end of the third auxiliary swing arm, the second end of the fourth auxiliary swing arm and the second structural member can be connected in a sliding mode.
In an alternative implementation manner, a first protruding part is arranged on one of two opposite side surfaces of the first auxiliary swing arm and the second auxiliary swing arm, a first concave part matched with the first protruding part is arranged on the other side surface, and the first protruding part extends into the first concave part; the second convex part is arranged on one of two opposite side surfaces of the third auxiliary swing arm and the fourth auxiliary swing arm, a second concave part matched with the second convex part is arranged on the other side surface, and the second convex part stretches into the second concave part.
In this way, the positional limitation between the first sub-swing arm and the second sub-swing arm can be ensured by the fitting relationship of the first convex portion and the first concave portion. By the mating relationship of the second convex portion and the second concave portion, the positional limitation between the third and fourth sub-swing arms can be ensured.
In an alternative implementation manner, a first rotating groove is formed in one side, facing the first structural member, of the supporting plate, a first sliding rail matched with the first rotating groove is formed in the first end of the first main swing arm, and the first sliding rail is in rotating connection with the first rotating groove; the backup pad orientation one side of second structure has the second and rotates the groove, the first end of second main swing arm have with the second slide rail of second rotation groove looks adaptation, the second slide rail with the second rotates the groove rotation and is connected.
Thus, through the rotation relation between the first rotation groove and the first sliding rail, the rotation connection between the supporting plate and the first end of the first main swing arm can be realized. Through the rotation relation of second rotation groove and second slide rail, can realize the rotation connection between backup pad and the first end of second main swing arm.
In an alternative implementation manner, a first rotating hole is formed in the first structural member, a second end of the first main swing arm is provided with a first rotating shaft matched with the first rotating hole, and the first rotating shaft rotates in the first rotating hole; the second structure is provided with a second rotating hole, the second end of the second main swing arm is provided with a second rotating shaft matched with the second rotating hole, and the second rotating shaft rotates in the second rotating hole.
In this way, a rotational connection between the first structural member and the second end of the first main swing arm can be achieved by the rotational relationship of the first rotational hole and the first rotational shaft. Through the rotation relation of the second rotation hole and the second rotation shaft, the rotation connection between the second structural member and the second end of the second main swing arm can be realized.
In an alternative implementation, the first and second main swing arms are staggered in a direction parallel to the axis of the spindle assembly, respectively.
Therefore, the first main swing arm and the second main swing arm can be prevented from being mutually interfered in the rotation process, and the folding or unfolding stability of the first main swing arm and the second main swing arm is ensured. In addition, the first main swing arm and the second main swing arm are arranged in a staggered mode, and occupied space of the hinge mechanism can be saved.
A second aspect of an embodiment of the present application provides a foldable electronic device, including: a first housing, a second housing, and a hinge mechanism as described in any one of the above; the first shell and the second shell are positioned at two sides of the main shaft assembly of the hinge mechanism, the first shell is fixedly connected with the first structural member of the hinge mechanism, and the second shell is fixedly connected with the second structural member of the hinge mechanism; further comprises: a flexible screen; the flexible screen overlies the hinge mechanism, the first housing and the second housing.
The foldable electronic equipment at least comprises a hinge mechanism, wherein in the hinge mechanism, the first end of a first auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of a second auxiliary swing arm is in threaded fit with the synchronous sliding block, and the first elastic component is arranged between the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm, so that the spiral surface of the first auxiliary swing arm is completely attached to the spiral surface of the synchronous sliding block, and the spiral surface of the second auxiliary swing arm is completely attached to the spiral surface of the synchronous sliding block; the first end of the third auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of the fourth auxiliary swing arm is in threaded fit with the synchronous sliding block, and the spiral surface of the third auxiliary swing arm is completely fit with the spiral surface of the synchronous sliding block through the second elastic component arranged between the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm. Like this, first elastic component from inside to outside presss from both sides tight first vice swing arm and second vice swing arm, and second elastic component from inside to outside presss from both sides tight third vice swing arm and fourth vice swing arm, can make first vice swing arm, second vice swing arm, third vice swing arm and fourth vice swing arm and synchronous slider's both sides helicoid all laminate completely to can realize keeping first structure and second structure synchronous rotation at the in-process of opening and shutting. In addition, through increasing the compressive force that first elastic component and second elastic component provided, can also reduce the wearing and tearing of the helicoid of first pair swing arm, second pair swing arm, third pair swing arm, fourth pair swing arm and synchronous slider and buckle ageing caused synchronism worsens the problem.
Drawings
Fig. 1 is a schematic perspective view of a folding screen mobile phone in a folded state according to an embodiment of the present application;
fig. 2 is a schematic perspective view of a folding screen mobile phone in a semi-folded state according to an embodiment of the present application;
fig. 3 is a schematic perspective view of a folding mobile phone in an unfolded state according to an embodiment of the present application;
fig. 4 is a schematic perspective view of a hinge mechanism according to an embodiment of the present application when the hinge mechanism is applied to a folding screen mobile phone;
FIG. 5 is a schematic perspective view of a hinge mechanism according to an embodiment of the present application in an unfolded state;
FIG. 6 is an exploded view of the hinge mechanism shown in FIG. 5;
FIG. 7 is a schematic perspective view of a hinge mechanism according to an embodiment of the present application in a semi-folded state;
FIG. 8 is a schematic perspective view of a hinge mechanism according to an embodiment of the present application in a folded state;
FIG. 9 is a schematic view of another perspective view of a hinge mechanism according to an embodiment of the present application in a folded state;
FIG. 10 is a schematic perspective view of a linkage base in a hinge mechanism according to an embodiment of the present application;
FIG. 11 is a schematic perspective view of a synchronous slider in a hinge mechanism according to an embodiment of the present application;
Fig. 12 is a schematic perspective view of a spindle assembly, a first linkage assembly and a second linkage assembly in a hinge mechanism according to an embodiment of the present application;
FIG. 13 is a schematic diagram showing a disassembled structure of a spindle assembly in a hinge mechanism according to an embodiment of the present application;
FIG. 14 is a schematic cross-sectional view of a hinge mechanism according to an embodiment of the present application;
FIG. 15 is an enlarged partial schematic view of the hinge mechanism shown in FIG. 14;
FIG. 16 is a schematic front perspective view of a synchronous slider, a first linkage assembly and a second linkage assembly in a hinge mechanism according to an embodiment of the present application;
FIG. 17 is a schematic diagram of a back perspective view of a synchronous slider, a first linkage assembly and a second linkage assembly in a hinge mechanism according to an embodiment of the present application;
fig. 18 is a schematic diagram of a split structure of a hinge mechanism according to an embodiment of the application.
Reference numerals illustrate:
a 100-hinge mechanism; 110-a spindle assembly; 111-a support plate;
1111-a fixed block; 1112-a first rotating slot; 1113-a second rotating groove;
112-linkage base; 1121-a base body; 1122-a first stationary shaft;
1123-a second stationary shaft; 113-synchronizing a slider; 1131-a body portion;
1131 a-mating groove; 1132-a first slider portion; 1132 a-a second threaded portion;
1133-a second slider portion; 1133 a-fourth threaded portion; 1134-a third slider portion;
1134 a-sixth threaded portion; 1135-fourth slider part; 1135 a-eighth threaded portion;
120-a first main swing arm; 1201-a first end of a first main swing arm; 1201 a-a first slide rail;
1202-a second end of a first main swing arm; 1202 a-a first rotation axis; 130-a second main swing arm;
1301-the first end of the second main swing arm; 1301 a-a second slide rail; 1302-a second end of a second main swing arm;
1302 a-a second axis of rotation; 140-a first linkage assembly; 141-a first auxiliary swing arm;
1411-a first end of a first secondary swing arm; 1411 a-a first threaded portion; 1412—a second end of a first secondary swing arm;
1413-first protrusions; 142-a second auxiliary swing arm; 1421-a first end of the second secondary swing arm;
1421 a-third threaded section; 1422-a second end of the second secondary swing arm; 1423-first recess;
150-a second linkage assembly; 151-a third auxiliary swing arm; 1511-a first end of a third secondary swing arm;
1511 a-fifth threaded portion; 1512-a second end of a third secondary swing arm; 1513-a second projection;
152-a fourth swing arm; 1521-a first end of a fourth swing arm; 1521 a-seventh threaded portion;
1522-a second end of a fourth swing arm; 1523-a second recess; 160-a first structural member;
161-a first sliding groove; 162-first rotation hole; 170-a second structural member;
171-a second sliding groove; 172-a second rotation hole; 181-a first elastic component;
182-a second elastic component; 190-a snap spring; 200-folding screen mobile phone;
210-a first housing; 220-a second housing; 230-a display screen;
240-battery cover; 250-inflection region.
Detailed Description
The terminology used in the description of the embodiments of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application, as will be described in detail with reference to the accompanying drawings.
Along with the gradual maturation of flexible screen technology, the display mode of electronic equipment is promoted to change very greatly, one of them is collapsible electronic equipment such as collapsible cell-phone, collapsible computer appearance, and collapsible electronic equipment just can double the efficiency that improves information interaction through a simple folding, and the mode of information interaction can be overturned more completely in designs such as many times folding and spool formula in the future. In addition, the display screen of the folding electronic equipment can flexibly change the switching mode according to different use scenes, and meanwhile, the display screen also has high screen occupation ratio and definition, for example, a foldable mobile phone is used as an example, the mobile phone can be folded to have the size of a traditional mobile phone and is convenient to carry, and the display screen can be unfolded to have the display size of a flat plate, so that the foldable electronic equipment becomes one of products which are deeply touted by people.
Embodiments of the present application provide a foldable electronic device, which may include, but is not limited to, mobile or fixed terminals with a hinge mechanism, such as a mobile phone, a tablet computer, a notebook computer, an ultra-mobile personal computer (UMPC), a handheld computer, an intercom, a Point of sale (POS) device, a personal digital assistant (personal digital assistant, PDA), a wearable device, a virtual reality device, a wireless U-disc, a bluetooth sound/earphone, or a vehicle-mounted front-mounted device, a vehicle recorder, a security device, and the like.
Referring to fig. 1 to 3, taking the foldable electronic device as a folding screen mobile phone 200 as an example, the folding screen mobile phone 200 may include: the first housing 210 and the second housing 220 have a bending region 250 (see fig. 3) between the first housing 210 and the second housing 220. As shown in fig. 4, for example, a hinge mechanism 100 may be disposed in the bending area 250, where the hinge mechanism 100 is a core mechanism for folding and unfolding the folding screen mobile phone 200, the hinge mechanism 100 is located between the first housing 210 and the second housing 220, and the first housing 210 and the second housing 220 are rotatably connected by the hinge mechanism 100.
In an embodiment of the present application, as shown in fig. 2 or fig. 3, the folding screen mobile phone 200 may further include: the display 230, wherein the display 230 may be a flexible screen, and the flexible screen may cover one surface of the first housing 210, the hinge mechanism 100, and the second housing 220, so that the flexible screen may be folded or unfolded according to rotation of the first housing 210 and the second housing 220. Illustratively, when the first housing 210 and the second housing 220 are rotated in a direction toward each other to a folded state (see fig. 1), the flexible screen of the folding screen phone 200 is also positioned between the first housing 210 and the second housing 220 in the folded state. When the first casing 210 and the second casing 220 are rotated in a direction away from each other to an unfolded state (see fig. 3), the flexible screen of the folding screen mobile phone 200 is unfolded until the first casing 210 and the second casing 220 are located on the same horizontal plane.
It should be noted that the number of the housings in the folding-screen mobile phone 200 may be two (see fig. 1 to 3) or more, and when the number of the housings is two or more, each adjacent housing may be rotated about the hinge mechanism 100 parallel to each other, thereby forming a multi-layered housing, or a larger display area is obtained after being unfolded. In the embodiment of the present application, two housings (i.e., the first housing 210 and the second housing 220) are mainly described as examples in the folding-screen mobile phone 200.
Further, the folding screen mobile phone 200 may further include: the battery cover 240, as shown in fig. 1 or 2, the battery cover 240 is located on a face of the first housing 210, the hinge mechanism 100, and the second housing 220 facing away from the display 230, for example, the first housing 210, the hinge mechanism 100, and the second housing 220 are all located between the display 230 and the battery cover 240.
It should be understood that the structure illustrated in the embodiments of the present application does not constitute a specific limitation on the folding screen phone 200. In other embodiments of the present application, folding screen handset 200 may include more or fewer components than shown, or certain components may be combined, certain components may be split, or different arrangements of components may be provided. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.
Specifically, the first housing 210 and the second housing 220 are rotatably connected by the hinge mechanism 100, so that the first housing 210 and the second housing 220 can rotate relative to each other, and folding or unfolding of the first housing 210 and the second housing 220 is achieved. When the first casing 210 and the second casing 220 are relatively rotated to be in the same plane unfolding state through the hinge mechanism 100, the flexible screen is unfolded along with the first casing and the second casing; when the first housing 210 and the second housing 220 are rotated to be folded with respect to each other by the hinge mechanism 100, the flexible screen is also folded between the first housing 210 and the second housing 220, or when the first housing 210 and the second housing 220 are rotated to be folded with respect to each other by the hinge mechanism 100, the flexible screen is also folded outside the first housing 210 and the second housing 220. However, the existing folding screen mobile phone 200 has poor synchronicity between the first housing 210 and the second housing 220 when rotating during folding or unfolding, resulting in poor user experience for the foldable electronic device.
In order to solve the above-mentioned problems, an embodiment of the present application provides a hinge mechanism and a foldable electronic device, where in the hinge mechanism, a first end of a first auxiliary swing arm is in threaded engagement with a synchronous slider, a first end of a second auxiliary swing arm is in threaded engagement with the synchronous slider, a first end of a third auxiliary swing arm is in threaded engagement with the synchronous slider, a first elastic component is disposed between the first end of a first auxiliary swing arm and the first end of a second auxiliary swing arm, and a second elastic component is disposed between the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm, so that rotation synchronicity of a first structural member and a second structural member of the foldable electronic device in a folding or unfolding process can be improved, stability of the hinge mechanism can be improved, and experience of a user can be improved.
The structure of the hinge mechanism and the foldable electronic device according to the embodiments of the present application will be described in detail with reference to the accompanying drawings.
Referring to fig. 4 and 5, an embodiment of the present application provides a hinge mechanism 100, which is applied to a foldable electronic device (for example, a folding screen mobile phone 200), where the hinge mechanism 100 may include: the main shaft assembly 110, the first main swing arm 120 and the second main swing arm 130 which are positioned at two sides of the main shaft assembly 110, the first linkage assembly 140 and the second linkage assembly 150 which are positioned at two sides of the main shaft assembly 110, and the first structural member 160 and the second structural member 170 which are positioned at two sides of the main shaft assembly 110, wherein the first structural member 160 is fixedly connected with the first shell 210, and the second structural member 170 is fixedly connected with the second shell 220. The first housing 210 and the second housing 220 are rotatably connected by the hinge mechanism 100, so that the first housing 210 and the second housing 220 can rotate relative to each other, and folding or unfolding of the first housing 210 and the second housing 220 is achieved.
In fig. 5, the first structural member 160 and the second structural member 170 are relatively rotated to be in an unfolded state on the same plane, in fig. 7, the first structural member 160 and the second structural member 170 are rotated to be in a semi-folded state in a direction approaching each other, and in fig. 8 and 9, the first structural member 160 and the second structural member 170 continue to be rotated to be in a fully folded state in a direction approaching each other.
As shown in fig. 5 and 6, the spindle assembly 110 may include: the device comprises a supporting plate 111, a linkage base 112 and a synchronous sliding block 113, wherein the linkage base 112 is fixedly connected with the supporting plate 111, and the synchronous sliding block 113 is in sliding connection with the linkage base 112.
The first end 1201 of the first main swing arm is rotatably connected to the support plate 111, the second end 1202 of the first main swing arm is rotatably connected to the first structural member 160, the first end 1301 of the second main swing arm is rotatably connected to the support plate 111, and the second end 1302 of the second main swing arm is rotatably connected to the second structural member 170.
The first linkage assembly 140 may include a first sub-swing arm 141 and a second sub-swing arm 142, the second linkage assembly 150 may include a third sub-swing arm 151 and a fourth sub-swing arm 152, a first end 1411 of the first sub-swing arm and a first end 1421 of the second sub-swing arm are rotatably connected with the linkage base 112, a second end 1412 of the first sub-swing arm and a second end 1422 of the second sub-swing arm are slidably connected with the first structural member 160, a first end 1511 of the third sub-swing arm and a first end 1521 of the fourth sub-swing arm are rotatably connected with the linkage base 112, a second end 1512 of the third sub-swing arm and a second end 1522 of the fourth sub-swing arm are slidably connected with the second structural member 170,
It should be noted that, in the embodiment of the present application, the first end 1411 of the first auxiliary swing arm is in threaded engagement with the synchronous slider 113, the first end 1421 of the second auxiliary swing arm is in threaded engagement with the synchronous slider 113, the first elastic component 181 is disposed between the first end 1411 of the first auxiliary swing arm and the first end 1421 of the second auxiliary swing arm, the first end 1511 of the third auxiliary swing arm is in threaded engagement with the synchronous slider 113, the first end 1521 of the fourth auxiliary swing arm is in threaded engagement with the synchronous slider 113, and the second elastic component 182 is disposed between the first end 1511 of the third auxiliary swing arm and the first end 1521 of the fourth auxiliary swing arm.
In the hinge mechanism 100, the first end 1411 of the first auxiliary swing arm is in threaded fit with the synchronous slide 113, the first end 1421 of the second auxiliary swing arm is in threaded fit with the synchronous slide 113, the first elastic component 181 is arranged between the first end 1411 of the first auxiliary swing arm and the first end 1421 of the second auxiliary swing arm, the spiral surface of the first auxiliary swing arm 141 and the spiral surface of the synchronous slide 113 can be guaranteed to be completely fit, the spiral surface of the second auxiliary swing arm 142 and the spiral surface of the synchronous slide 113 are completely fit, the first end 1511 of the third auxiliary swing arm is in threaded fit with the synchronous slide 113, the first end 1521 of the fourth auxiliary swing arm is in threaded fit with the synchronous slide 113, and the second elastic component 182 is arranged between the first end 1511 of the third auxiliary swing arm and the first end 1521 of the fourth auxiliary swing arm, so that the spiral surface of the third auxiliary swing arm 151 and the spiral surface of the synchronous slide 113 can be guaranteed to be completely fit, and the spiral surface of the fourth auxiliary swing arm 152 and the synchronous slide 113 are completely fit.
Thus, the first elastic component 181 clamps the first auxiliary swing arm 141 and the second auxiliary swing arm 142 from inside to outside, and the second elastic component 182 clamps the third auxiliary swing arm 151 and the fourth auxiliary swing arm 152 from inside to outside, so that the first auxiliary swing arm 141, the second auxiliary swing arm 142, the third auxiliary swing arm 151 and the fourth auxiliary swing arm 152 are completely attached to both side spiral surfaces of the synchronous slide block 113, and synchronous rotation of the first structural member 160 and the second structural member 170 can be maintained in the opening and closing process.
In addition, by increasing the pressing force provided by the first and second elastic members 181 and 182, it is possible to reduce the problem of deterioration of the synchronization caused by the abrasion of the helicoids and the bending aging of the first, second, third, fourth and sixth swing arms 141, 142, 151 and 113.
Referring to fig. 10, in an embodiment of the present application, the linkage base 112 may include: the base body 1121 and the first and second fixed shafts 1122 and 1123 fixedly connected to the base body 1121, wherein the first and second fixed shafts 1122 and 1123 are located at both sides of the central axis of the base body 1121, respectively, and the first ends 1411 and 1421 of the first and second sub-swing arms rotate about the first fixed shaft 1122, and the first ends 1511 and 1521 of the third and fourth sub-swing arms rotate about the second fixed shaft 1123.
The first end 1411 of the first auxiliary swing arm and the first end 1421 of the second auxiliary swing arm rotate around the first fixed shaft 1122, so that the first auxiliary swing arm 141 and the second auxiliary swing arm 142 can be rotationally connected with the linkage base 112. The first end 1511 of the third auxiliary swing arm and the first end 1521 of the fourth auxiliary swing arm rotate around the second fixed shaft 1123, so that the third auxiliary swing arm 151 and the fourth auxiliary swing arm 152 can be rotationally connected with the linkage base 112.
In the embodiment of the application, the first elastic component 181 is disposed on the first fixed shaft 1122 in a penetrating manner, one end of the first elastic component 181 is abutted against the first end 1411 of the first auxiliary swing arm, and the other end of the first elastic component 181 is abutted against the first end 1421 of the second auxiliary swing arm.
Because the first end 1411 of the first auxiliary swing arm and the first end 1421 of the second auxiliary swing arm are in threaded fit with the synchronous sliding block 113, one end of the first elastic component 181 is abutted against the first end 1411 of the first auxiliary swing arm, and the other end of the first elastic component 181 is abutted against the first end 1421 of the second auxiliary swing arm, so that the first elastic component 181 can be ensured to clamp the first auxiliary swing arm 141 and the second auxiliary swing arm 142 from inside to outside, and the first auxiliary swing arm 141 and the second auxiliary swing arm 142 are completely attached to both side spiral surfaces of the synchronous sliding block 113.
In addition, the first end 1411 of the first sub-swing arm and the first end 1421 of the second sub-swing arm rotate around the first fixed shaft 1122, and by penetrating the first elastic member 181 at the first fixed shaft 1122, it is also possible to provide a directional force and a supporting force to the first elastic member 181 such that the first elastic member 181 is compressed or elongated along the extending direction of the first fixed shaft 1122.
The second elastic component 182 is disposed on the second fixed shaft 1123 in a penetrating manner, one end of the second elastic component 182 is abutted against the first end 1511 of the third auxiliary swing arm, and the other end of the second elastic component 182 is abutted against the first end 1521 of the fourth auxiliary swing arm.
Because the first end 1511 of the third auxiliary swing arm and the first end 1521 of the fourth auxiliary swing arm are in threaded fit with the synchronous sliding block 113, one end of the second elastic component 182 is abutted against the first end 1511 of the third auxiliary swing arm, and the other end of the second elastic component 182 is abutted against the first end 1521 of the fourth auxiliary swing arm, the second elastic component 182 can be ensured to clamp the third auxiliary swing arm 151 and the fourth auxiliary swing arm 152 from inside to outside, and the third auxiliary swing arm 151 and the fourth auxiliary swing arm 152 are completely attached to the spiral surfaces on two sides of the synchronous sliding block 113.
Also, the first end 1511 of the third and fourth swing arms and the first end 1521 of the fourth swing arm rotate about the second fixed shaft 1123, and by threading the second elastic member 182 through the second fixed shaft 1123, it is also possible to provide an orientation force and a supporting force to the second elastic member 182 such that the second elastic member 182 is compressed or elongated in the extending direction of the second fixed shaft 1123.
It will be appreciated that, as shown in fig. 11, in an embodiment of the present application, the synchronization slider 113 may include: the main body 1131, and the first, second, third, and fourth slider 1132, 1133, 1134, and 1135, which are connected to the main body 1131, the first and second slider 1132, 1133 are disposed on the first fixed shaft 1122 in a penetrating manner, the first end 1411 of the first and second sub-swing arms are disposed between the first and second slider 1132, 1133, the third and fourth slider 1134, 1135 are disposed on the second fixed shaft 1123 in a penetrating manner, the first end 1511 of the third and fourth sub-swing arms are disposed between the third and fourth slider 1134, 1135, and the main body 1131 is disposed between the base body 1121 and the support plate 111.
By inserting the first slider portion 1132 and the second slider portion 1133 into the first fixed shaft 1122 and inserting the third slider portion 1134 and the fourth slider portion 1135 into the second fixed shaft 1123, the slider 113 can be ensured to slide on the interlocking base 112 in the extending direction of the first fixed shaft 1122 and the second fixed shaft 1123.
On the basis of the above embodiment, as shown in fig. 12 or 13, a snap spring 190 may be provided between the base body 1121 and the support plate 111. Through setting up buckle shell fragment 190 between base body 1121 and the backup pad 111 of base, hinge mechanism 100 is in the rotation in-process, because the main part 1131 of synchronous slider 113 is located between base body 1121 and backup pad 111, and the motion of synchronous slider 113 can produce damping force with buckle shell fragment 190 between, hinge mechanism 100 can produce the feel of putting in place with damping force when flattening and closing.
Specifically, in the embodiment of the present application, as shown in fig. 14 and 15, a fixing block 1111 may be disposed on a surface of the support plate 111 facing the base body 1121, a matching groove 1131a adapted to the outer contour of the snap spring 190 may be disposed on the main body 1131 of the synchronous slider 113, and the snap spring 190 is disposed in the matching groove 1131a, and the snap spring 190 is clamped on the fixing block 1111.
Through set up the cooperation groove 1131a on the main part 1131 of synchronous slider 113, buckle shell fragment 190 is located the cooperation groove 1131a, because the main part 1131 of synchronous slider 113 is located between base body 1121 and backup pad 111, promptly built-in buckle shell fragment 190 between base body 1121 and backup pad 111, the damping force that buckle shell fragment 190 and synchronous slider 113 motion contact produced in the process of opening and shutting will damp and synchro mechanism integration, the whole space occupation of synchronous damping structure in hinge mechanism 100 has been reduced, simultaneously this kind of damping structure can avoid because hinge mechanism 100 frivolous design lead to the damping structure because of the top screen problem that backup pad 111 intensity is insufficient leads to down, further simplify hinge mechanism 100 structural design under the frivolous design trend of folder.
In addition, by providing the fixing block 1111 on the surface of the support plate 111 facing the base body 1121, the snap spring 190 is located in the fitting groove 1131a, and the snap spring 190 is engaged with the fixing block 1111, so that the fixed connection between the interlocking base 112 and the support plate 111 can be ensured.
In some embodiments, as shown in fig. 16 and 17, the first end 1411 of the first auxiliary swing arm has a first threaded portion 1411a, the first slider portion 1132 has a second threaded portion 1132a adapted to the first threaded portion 1411a, the first end 1411 of the first auxiliary swing arm is connected with the first slider portion 1132 by the first threaded portion 1411a and the second threaded portion 1132a in a matching manner, the first end 1421 of the second auxiliary swing arm has a third threaded portion 1421a, the second slider portion 1133 has a fourth threaded portion 1133a adapted to the third threaded portion 1421a, and the first end 1421 of the second auxiliary swing arm is connected with the second slider portion 1133 by the third threaded portion 1421a and the fourth threaded portion 1133a in a matching manner.
The first end 1511 of the third auxiliary swing arm has a fifth threaded portion 1511a, the third slider portion 1134 has a sixth threaded portion 1134a adapted to the fifth threaded portion 1511a, the first end 1511 of the third auxiliary swing arm is connected with the third slider portion 1134 in a matching manner through the fifth threaded portion 1511a and the sixth threaded portion 1134a, the first end 1521 of the fourth auxiliary swing arm has a seventh threaded portion 1521a, the fourth slider portion 1135 has an eighth threaded portion 1135a adapted to the seventh threaded portion 1521a, and the first end 1521 of the fourth auxiliary swing arm is connected with the fourth slider portion 1135 in a matching manner through the seventh threaded portion 1521a and the eighth threaded portion 1135 a.
In this way, the first end 1411 of the first auxiliary swing arm is in threaded engagement with the first slider portion 1132 of the synchronous slider 113, the first end 1421 of the second auxiliary swing arm is in threaded engagement with the second slider portion 1133 of the synchronous slider 113, the first end 1511 of the third auxiliary swing arm is in threaded engagement with the third slider portion 1134 of the synchronous slider 113, and the first end 1521 of the fourth auxiliary swing arm is in threaded engagement with the fourth slider portion 1135 of the synchronous slider 113.
Referring to fig. 18, in an embodiment of the present application, a first sliding groove 161 may be provided on the first structural member 160, a second end 1412 of the first auxiliary swing arm and a second end 1422 of the second auxiliary swing arm may slide in the first sliding groove 161, a second sliding groove 171 may be provided on the second structural member 170, and a second end 1512 of the third auxiliary swing arm and a second end 1522 of the fourth auxiliary swing arm may slide in the second sliding groove 171.
In this way, a sliding connection is ensured between the second end 1412 of the first auxiliary swing arm and the second end 1422 of the second auxiliary swing arm and the first structural member 160, and a sliding connection is ensured between the second end 1512 of the third auxiliary swing arm and the second end 1522 of the fourth auxiliary swing arm and the second structural member 170.
In addition, when the second end 1412 of the first auxiliary swing arm and the second end 1422 of the second auxiliary swing arm slide in the first sliding groove 161, the first sliding groove 161 can limit the movable range of the second end 1412 of the first auxiliary swing arm and the second end 1422 of the second auxiliary swing arm. Likewise, the second sliding groove 171 can limit the range of motion of the second end 1512 of the third swing arm and the second end 1522 of the fourth swing arm as the second end 1512 of the third swing arm and the second end 1522 of the fourth swing arm slide within the second sliding groove 171.
In an embodiment of the present application, one of two opposite sides of the first auxiliary swing arm 141 and the second auxiliary swing arm 142 may be provided with a first protrusion 1413, wherein the other side may be provided with a first recess 1423 adapted to the first protrusion 1413, and the first protrusion 1413 extends into the first recess 1423. In this way, by the fitting relationship of the first projecting portion 1413 and the first recessed portion 1423, the positional limitation between the first sub-swing arm 141 and the second sub-swing arm 142 can be ensured.
A second protrusion 1513 may be provided on one of two opposite sides of the third and fourth sub-swing arms 151 and 152, and a second recess 1523 adapted to the second protrusion 1513 may be provided on the other side, and the second protrusion 1513 may extend into the second recess 1523. By the fitting relationship of the second convex portion 1513 and the second concave portion 1523, positional definition between the third sub-swing arm 151 and the fourth sub-swing arm 152 can be ensured.
In the embodiment of the present application, the side of the support plate 111 facing the first structural member 160 may have a first rotating groove 1112, and the first end 1201 of the first main swing arm may have a first sliding rail 1201a adapted to the first rotating groove 1112, where the first sliding rail 1201a is rotatably connected to the first rotating groove 1112. In this way, by the rotational relationship of the first rotational groove 1112 and the first slide rail 1201a, a rotational connection between the support plate 111 and the first end 1201 of the first main swing arm can be achieved.
The side of the support plate 111 facing the second structural member 170 is provided with a second rotating groove 1113, the first end 1301 of the second main swing arm is provided with a second sliding rail 1301a matched with the second rotating groove 1113, and the second sliding rail 1301a is rotatably connected with the second rotating groove 1113. The rotational connection between the support plate 111 and the first end 1301 of the second main swing arm can be achieved by the rotational relationship of the second rotational groove 1113 and the second slide rail 1301 a.
In an embodiment of the present application, the first structural member 160 may be provided with a first rotation hole 162, and the second end 1202 of the first main swing arm may have a first rotation shaft 1202a adapted to the first rotation hole 162, where the first rotation shaft 1202a rotates in the first rotation hole 162. In this way, a rotational connection between the first structural member 160 and the second end 1202 of the first main swing arm can be achieved by the rotational relationship of the first rotational aperture 162 and the first rotational shaft 1202 a.
The second structural member 170 may be provided with a second rotation hole 172, and the second end 1302 of the second main swing arm may have a second rotation shaft 1302a adapted to the second rotation hole 172, and the second rotation shaft 1302a rotates in the second rotation hole 172. The rotational connection between the second structural member 170 and the second end 1302 of the second main swing arm can be achieved by the rotational relationship of the second rotational aperture 172 and the second rotational shaft 1302 a.
Further, in the embodiment of the present application, the first and second main swing arms 120 and 130 may be staggered in a direction parallel to the axis of the main shaft assembly 110, respectively.
In this way, the first main swing arm 120 and the second main swing arm 130 can be ensured not to interfere with each other in the rotation process, so that the folding or unfolding stability of the first main swing arm 120 and the second main swing arm 130 is ensured. In addition, the first main swing arm 120 and the second main swing arm 130 are arranged in a staggered manner, so that the occupied space of the hinge mechanism 100 can be saved.
In describing embodiments of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "coupled" should be interpreted broadly, as if they were fixedly connected, indirectly connected via an intermediary, or in a communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.
The embodiments of the application may be implemented or realized in any number of ways, including as a matter of course, such that the apparatus or elements recited in the claims are not necessarily oriented or configured to operate in any particular manner. In the description of the embodiments of the present application, the meaning of "a plurality" is two or more unless specifically stated otherwise.
The terms first, second, third, fourth and the like in the description and in the claims and in the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "may include" and "have," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present application, and are not limited thereto, and although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical schemes described in the foregoing embodiments may be modified or some or all of the technical features may be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical schemes deviate from the scope of the technical schemes of the embodiments of the present application.
Claims (13)
1. A hinge mechanism for use in a foldable electronic device, comprising:
the device comprises a main shaft assembly, a first main swing arm, a second main swing arm, a first linkage assembly, a second linkage assembly, a first structural member and a second structural member, wherein the first main swing arm and the second main swing arm are positioned at two sides of the main shaft assembly;
the spindle assembly includes: the device comprises a supporting plate, a linkage base and a synchronous sliding block; the linkage base is fixedly connected with the supporting plate, and the synchronous sliding block is in sliding connection with the linkage base;
the first end of the first main swing arm is rotationally connected with the supporting plate, and the second end of the first main swing arm is rotationally connected with the first structural member; the first end of the second main swing arm is rotationally connected with the supporting plate, and the second end of the second main swing arm is rotationally connected with the second structural member;
the first linkage assembly comprises a first auxiliary swing arm and a second auxiliary swing arm, and the second linkage assembly comprises a third auxiliary swing arm and a fourth auxiliary swing arm;
the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm are rotationally connected with the linkage base, and the second end of the first auxiliary swing arm and the second end of the second auxiliary swing arm are slidingly connected with the first structural member; the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm are rotationally connected with the linkage base, and the second end of the third auxiliary swing arm and the second end of the fourth auxiliary swing arm are in sliding connection with the second structural member;
The first end of the first auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of the second auxiliary swing arm is in threaded fit with the synchronous sliding block, and a first elastic component is arranged between the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm; the first end of the third auxiliary swing arm is in threaded fit with the synchronous sliding block, the first end of the fourth auxiliary swing arm is in threaded fit with the synchronous sliding block, and a second elastic component is arranged between the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm;
when the first linkage assembly and the second linkage assembly rotate relative to the main shaft assembly, the first end of the first auxiliary swing arm, the first end of the second auxiliary swing arm, the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm are in threaded fit with the synchronous sliding block, and the synchronous sliding block is driven to slide along the extending direction of the linkage base, so that the first linkage assembly and the second linkage assembly synchronously move.
2. The hinge mechanism of claim 1, wherein the interlock base comprises: the base body and the first fixing shaft and the second fixing shaft are fixedly connected with the base body;
The first fixing shaft and the second fixing shaft are respectively located at two sides of the central axis of the base body, the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm rotate around the first fixing shaft, and the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm rotate around the second fixing shaft.
3. The hinge mechanism according to claim 2, wherein the first elastic member is disposed on the first fixed shaft in a penetrating manner, one end of the first elastic member abuts against the first end of the first auxiliary swing arm, and the other end of the first elastic member abuts against the first end of the second auxiliary swing arm;
the second elastic component is arranged on the second fixed shaft in a penetrating way, one end of the second elastic component is abutted against the first end of the third auxiliary swing arm, and the other end of the second elastic component is abutted against the first end of the fourth auxiliary swing arm.
4. A hinge mechanism according to claim 2 or 3, wherein the synchronisation slider comprises: a main body portion, a first slider portion, a second slider portion, a third slider portion, and a fourth slider portion connected to the main body portion;
The first sliding block part and the second sliding block part are arranged on the first fixed shaft in a penetrating way, and the first end of the first auxiliary swing arm and the first end of the second auxiliary swing arm are positioned between the first sliding block part and the second sliding block part;
the third sliding block part and the fourth sliding block part are arranged on the second fixed shaft in a penetrating way, and the first end of the third auxiliary swing arm and the first end of the fourth auxiliary swing arm are positioned between the third sliding block part and the fourth sliding block part;
and the main body part is positioned between the base body and the supporting plate.
5. The hinge mechanism of claim 4, wherein a snap dome is disposed between the base body and the support plate.
6. The hinge mechanism according to claim 5, wherein a fixing block is provided on a surface of the support plate facing the base body, and a fitting groove adapted to an outer contour of the snap spring is provided on the main body of the synchronizing slider;
the matching groove is internally provided with the buckling elastic piece, and the buckling elastic piece is clamped on the fixing block.
7. The hinge mechanism according to claim 6, wherein the first end of the first auxiliary swing arm has a first threaded portion, the first slider portion has a second threaded portion adapted to the first threaded portion, and the first end of the first auxiliary swing arm is connected with the first slider portion in a matching manner through the first threaded portion and the second threaded portion;
The first end of the second auxiliary swing arm is provided with a third threaded part, the second sliding block part is provided with a fourth threaded part matched with the third threaded part, and the first end of the second auxiliary swing arm is connected with the second sliding block part in a matched manner through the third threaded part and the fourth threaded part;
the first end of the third auxiliary swing arm is provided with a fifth threaded part, the third sliding block part is provided with a sixth threaded part matched with the fifth threaded part, and the first end of the third auxiliary swing arm is connected with the third sliding block part in a matched manner through the fifth threaded part and the sixth threaded part;
the first end of the fourth auxiliary swing arm is provided with a seventh threaded part, the fourth sliding block part is provided with an eighth threaded part matched with the seventh threaded part, and the first end of the fourth auxiliary swing arm is connected with the fourth sliding block part in a matched mode through the seventh threaded part and the eighth threaded part.
8. A hinge mechanism according to any one of claims 1 to 3, wherein the first structural member is provided with a first sliding groove in which the second end of the first sub-swing arm and the second end of the second sub-swing arm slide;
The second structural member is provided with a second sliding groove, and the second end of the third auxiliary swing arm and the second end of the fourth auxiliary swing arm slide in the second sliding groove.
9. The hinge mechanism according to claim 8, wherein one of two opposite sides of the first and second sub-swing arms is provided with a first protrusion, and wherein the other side is provided with a first recess adapted to the first protrusion, the first protrusion extending into the first recess;
the second convex part is arranged on one of two opposite side surfaces of the third auxiliary swing arm and the fourth auxiliary swing arm, a second concave part matched with the second convex part is arranged on the other side surface, and the second convex part stretches into the second concave part.
10. A hinge mechanism according to any one of claims 1 to 3, wherein a side of the support plate facing the first structural member has a first rotation groove, a first end of the first main swing arm has a first slide rail adapted to the first rotation groove, and the first slide rail is rotatably connected to the first rotation groove;
The backup pad orientation one side of second structure has the second and rotates the groove, the first end of second main swing arm have with the second slide rail of second rotation groove looks adaptation, the second slide rail with the second rotates the groove rotation and is connected.
11. The hinge mechanism of claim 10, wherein the first structural member is provided with a first rotation hole, the second end of the first main swing arm is provided with a first rotation shaft matched with the first rotation hole, and the first rotation shaft rotates in the first rotation hole;
the second structure is provided with a second rotating hole, the second end of the second main swing arm is provided with a second rotating shaft matched with the second rotating hole, and the second rotating shaft rotates in the second rotating hole.
12. A hinge mechanism according to any one of claims 1 to 3, wherein the first and second main swing arms are staggered in a direction parallel to the axis of the spindle assembly, respectively.
13. A foldable electronic device, comprising: a first housing, a second housing, and a hinge mechanism according to any one of claims 1-12;
The first shell and the second shell are positioned at two sides of the main shaft assembly of the hinge mechanism, the first shell is fixedly connected with the first structural member of the hinge mechanism, and the second shell is fixedly connected with the second structural member of the hinge mechanism;
further comprises: a flexible screen; the flexible screen overlies the hinge mechanism, the first housing and the second housing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310226602.8A CN115949665B (en) | 2023-03-10 | 2023-03-10 | Hinge mechanism and foldable electronic equipment |
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| CN202310226602.8A CN115949665B (en) | 2023-03-10 | 2023-03-10 | Hinge mechanism and foldable electronic equipment |
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| CN115949665B true CN115949665B (en) | 2023-08-29 |
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| CN116800869B (en) * | 2023-05-10 | 2024-01-09 | 东莞市劲丰电子有限公司 | Sliding block translation type outward folding hinge for flexible screen folding mobile phone application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW201915643A (en) * | 2017-10-13 | 2019-04-16 | 富世達股份有限公司 | Flexible display apparatus and supporting device |
| CN111885236A (en) * | 2020-07-27 | 2020-11-03 | Oppo广东移动通信有限公司 | Electronic equipment and synchronous rotating mechanism thereof |
| CN113067924A (en) * | 2021-03-19 | 2021-07-02 | 维沃移动通信有限公司 | Folding mechanism, support structure and electronic equipment |
| CN114321596A (en) * | 2021-12-27 | 2022-04-12 | Oppo广东移动通信有限公司 | Folding mechanism and electronic equipment |
| WO2022108101A1 (en) * | 2020-11-19 | 2022-05-27 | (주)케이에이치바텍 | Foldable hinge device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201915643A (en) * | 2017-10-13 | 2019-04-16 | 富世達股份有限公司 | Flexible display apparatus and supporting device |
| CN111885236A (en) * | 2020-07-27 | 2020-11-03 | Oppo广东移动通信有限公司 | Electronic equipment and synchronous rotating mechanism thereof |
| WO2022108101A1 (en) * | 2020-11-19 | 2022-05-27 | (주)케이에이치바텍 | Foldable hinge device |
| CN113067924A (en) * | 2021-03-19 | 2021-07-02 | 维沃移动通信有限公司 | Folding mechanism, support structure and electronic equipment |
| CN114321596A (en) * | 2021-12-27 | 2022-04-12 | Oppo广东移动通信有限公司 | Folding mechanism and electronic equipment |
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