WO2025201219A1 - 电子设备 - Google Patents

电子设备

Info

Publication number
WO2025201219A1
WO2025201219A1 PCT/CN2025/084273 CN2025084273W WO2025201219A1 WO 2025201219 A1 WO2025201219 A1 WO 2025201219A1 CN 2025084273 W CN2025084273 W CN 2025084273W WO 2025201219 A1 WO2025201219 A1 WO 2025201219A1
Authority
WO
WIPO (PCT)
Prior art keywords
swing arm
groove
support member
base
electronic device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2025/084273
Other languages
English (en)
French (fr)
Inventor
李进
袁文超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Publication of WO2025201219A1 publication Critical patent/WO2025201219A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/12Pivotal connections incorporating flexible connections, e.g. leaf springs
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • H05K5/0226Hinges

Definitions

  • the present application belongs to the technical field of electronic equipment, and specifically relates to an electronic equipment.
  • Foldable electronic devices are increasingly popular among consumers for their combination of large display areas and enhanced portability.
  • Foldable electronic devices typically utilize a hinge mechanism to create a pivoting connection between two housing parts, with the hinge support and the housing providing support for the electronic device's display.
  • the overall size of the track groove and other structures provided on the support member needs to be relatively large. Since the aforementioned track groove is provided along the width direction of the hinge mechanism as a whole, the overall width of the hinge mechanism is relatively large, resulting in a relatively large installation space occupied by the hinge mechanism.
  • the purpose of the embodiments of the present application is to provide an electronic device to solve the problem in current electronic devices that the hinge mechanism has a relatively large width, which results in the hinge mechanism occupying a relatively large installation space in the electronic device.
  • An embodiment of the present application provides an electronic device, which includes a base, a first swing arm, a second swing arm and a support member, wherein the first end of the first swing arm includes a bearing portion, and the bearing portion is rotatably connected to the bearing groove of the base, and the first end of the second swing arm is rotatably connected to the base via a rotating shaft; the first swing arm is provided with a first limit block, the second swing arm is provided with a second limit block, and the support member is provided with a first limit groove and a second limit groove, the first limit block is at least partially located in the first limit groove, and the second limit block is at least partially located in the second limit groove; when the angle between the first swing arm and the base is in a first angle range, the first limit block slides along the first limit groove and drives the support member to rotate relative to the first swing arm; when the angle between the first swing arm and the base is in a second angle range, the second limit block slides along the second limit groove and drives the support member to rotate relative to the first swing arm,
  • the embodiment of the present application discloses an electronic device, which includes a base, a first swing arm, a second swing arm and a support member, wherein the bearing portion of the first end of the first swing arm is rotatably connected to the bearing groove of the base, and the first end of the second swing arm is rotatably connected to the base via a rotating shaft, so that the hinge mechanism can switch between an unfolded state and a folded state.
  • the relative sliding relationship between the first limit block and the first limit groove can be utilized to realize that in the rotation stage between the hinge mechanism being about to fold and the folded state, the first limit block on the first swing arm is used as a device for driving the support member to rotate relative to the first swing arm.
  • the second limit block on the second swing arm there is no need to use the second limit block on the second swing arm as a driving source for the support member, so that the end of the second limit groove that cooperates with the second limit block (that is, the end away from the base in the direction perpendicular to the rotation axis of the first swing arm) can be removed by a corresponding size.
  • the width dimensions of the second limit groove and the support member can be reduced accordingly, thereby achieving the purpose of reducing the width dimension of the entire hinge mechanism, and thus saving the installation space occupied by the hinge mechanism in the electronic device to a certain extent.
  • FIG1 is a schematic structural diagram of a hinge mechanism in an electronic device disclosed in an embodiment of the present application in a folded state
  • FIG2 is a schematic structural diagram of the hinge mechanism shown in FIG1 in an unfolded state
  • FIG4 is a schematic structural diagram of a first swing arm in a hinge mechanism of an electronic device disclosed in an embodiment of the present application
  • FIG5 is a schematic structural diagram of a second swing arm in a hinge mechanism of an electronic device disclosed in an embodiment of the present application
  • FIG6 is a schematic structural diagram of a support member in a hinge mechanism of an electronic device disclosed in an embodiment of the present application.
  • FIG7 is a first cross-sectional view of a hinge mechanism in an electronic device disclosed in an embodiment of the present application.
  • FIG8 is a second cross-sectional view of the hinge mechanism in the electronic device disclosed in an embodiment of the present application.
  • FIG11 is a schematic structural diagram of an electronic device disclosed in an embodiment of the present application.
  • the accompanying drawings are: 1-hinge mechanism, 2-housing, 3-display screen, 31-first display area, 32-second display area, 33-third display area, 100-base, 210-first swing arm, 211-bearing shell, 212-connecting part, 213-body, 214-first groove, 230-first limit block, 310-second swing arm, 311-first arm body, 312-second arm body, 313-sleeve part, 313a-through hole, 314-sliding part, 330-second limit block, 400-bracket, 410-chute, 510-support member, 520-first limiting groove, 530-second limiting groove, 540-extrusion protrusion, 600-Damping assembly.
  • first,” “second,” and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first,” “second,” and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more.
  • the term “and/or” in the specification and claims refers to at least one of the connected objects, and the character “/" generally indicates that the objects connected are in an "or” relationship.
  • the embodiment of the present application discloses an electronic device, which is specifically a foldable electronic device, that is, the electronic device has a folded state and an unfolded state, and can switch between the folded state and the unfolded state.
  • the electronic device includes a base 100, a first swing arm 210, a second swing arm 310 and a support member 510.
  • the electronic device usually also includes other components such as a housing, a display screen, a bracket 400 and a damping assembly 600.
  • any two housings 2 can form a rotational connection relationship through a hinge mechanism 1
  • the display screen 3 can be installed on the hinge mechanism 1 and the housing 2 to form a foldable electronic device with folding capability.
  • the display screen 3 can be a flexible screen as a whole, or the display screen 3 can include a first display area 31, a second display area 32 and a third display area 33, wherein the third display area 33 is connected between the first display area 31 and the second display area 32, and the first display area 31 and the second display area 32 are respectively supported on two shells 2, both of which can be flexible structures or rigid structures.
  • the third display area 33 is opposite to the hinge mechanism 1, and the third display area 33 is a flexible structure.
  • the first swing arm 210 and the second swing arm 310 are both rotatably connected to the base 100.
  • the first swing arm 210 and the second swing arm 310 are typically provided on opposite sides of the base 100.
  • the bracket 400 is typically directly connected to the housings and is also connected to the first swing arm 210 and the second swing arm 310 to form a stable assembly relationship between the housings.
  • the support member 510 is used to provide support for the portion of the electronic device's display screen opposite the hinge mechanism, ensuring that the portion of the display screen located outside the housing is also relatively well supported.
  • first ends of the first swing arm 210 and the second swing arm 310 are each rotatably connected to the base 100.
  • the first and second swing arms 210, 310 can be provided on opposing sides of the base 100.
  • the first ends of each first and second swing arms 210, 310 are rotatably connected to the base 100, and at least one first swing arm 210 and at least one second swing arm 310 are provided on each opposing side of the base 100.
  • the first and second swing arms 210, 310 are each capable of rotating relative to the base 100 between a first angle and a second angle, with the second angle being greater than the first angle.
  • the electronic device When the angle between the first and second swing arms 210, 310 and the base 100 is equal to the first angle, the electronic device is in an unfolded state. When the angle between the first and second swing arms 210, 310 and the base 100 is equal to the second angle, the electronic device is in a folded state. Accordingly, the electronic device is capable of switching between the folded and unfolded states, thereby enabling the display screen of the electronic device to be folded and unfolded.
  • the first angle can be 0°
  • the second angle can be 90°
  • the first angle and the second angle can also adopt other specific angle values.
  • the first swing arm 210, the second swing arm 310 and the base 100 are all described as a straight line.
  • the line connecting the opposite ends of the first swing arm 210 is regarded as the first swing arm 210
  • the straight line on which the width direction of the base 100 lies is regarded as the base 100.
  • the angle between the first swing arm 210 and the base 100 can be regarded as the angle between the above two straight lines.
  • the definition of the angle between the second swing arm 310 and the base 100 can also refer to the above description of the first swing arm 210. Considering the simplicity of the text, it will not be repeated here. More intuitively, direction A in Figure 7 is the straight line on which the first swing arm 210 lies, and direction B is the straight line on which the base 100 lies.
  • the first end of the first swing arm 210 and the base 100 can form a rotational fit relationship using a bearing structure, while the first end of the second swing arm 310 and the base 100 can form a rotational fit relationship using an axial hole structure.
  • the first end of the first swing arm 210 includes a bearing portion 211.
  • the base 100 is provided with a bearing groove that matches the bearing portion 211, so that the bearing portion 211 of the first swing arm 210 can be rotatably connected to the bearing groove of the base 100; accordingly, the first end of the second swing arm 310 can be provided with a shaft hole or other structure.
  • the first end of the second swing arm 310 includes a shaft sleeve portion 313, and the shaft sleeve portion 313 is provided with a through hole 313a.
  • a corresponding through hole can also be provided at a position on the base 100 corresponding to the second swing arm 310, so that the shaft sleeve portion 313 of the second swing arm 310 can form a shaft hole connection structure with the corresponding through hole on the base 100 through a rotating shaft.
  • the first end of the second swing arm 310 may also include a rotating shaft, which can also ensure that the first end of the second swing arm 310 can be rotatably connected to the base 100 through the rotating shaft.
  • the rotation axis between the first end of the first swing arm 210 and the base 100 can be located outside the base 100, and the rotation axis between the first end of the second swing arm 310 and the base 100 is located on the base 100.
  • the rotation axes of the first ends of the first swing arm 210 and the second swing arm 310 are parallel to each other, which can pave the way for the support member 510 in the hinge mechanism to provide an accommodation space for the display screen of the electronic device.
  • the electronic device includes a bracket 400.
  • the second end of the first swing arm 210 can be rotatably connected to the bracket 400, and the second end of the second swing arm 310 can be slidably engaged with the bracket 400 in a direction perpendicular to the rotation axis of the first swing arm 210.
  • the bracket 400 can rotate relative to the base 100 along with the first swing arm 210 and the second swing arm 310.
  • a shaft-hole structure can be used to form a rotational connection relationship between the second end of the first swing arm 210 and the bracket 400
  • a sliding engagement structure can be used to form an assembly relationship between the second swing arm 310 and the bracket 400.
  • a slide groove 410 can be provided on the bracket 400, and a portion where the second end of the second swing arm 310 is located can be slidably engaged with the slide groove 410.
  • the distance between the end of the bracket 400 away from the base 100 and the second end of the second swing arm 310 gradually increases.
  • the distance between the end of the bracket 400 away from the base 100 and the second end of the second swing arm 310 gradually decreases. In other words, when the angle between the second swing arm 310 and the base 100 is a first angle, the distance between the end of the bracket 400 away from the base 100 and the second end of the second swing arm 310 is relatively small.
  • the angle between the second swing arm 310 and the base 100 is a second angle
  • the distance between the end of the bracket 400 away from the base 100 and the second end of the second swing arm 310 is relatively large.
  • the angle between the second swing arm 310 and the base 100 is a first angle
  • the second end of the second swing arm 310 is located at a slot tail position in the slide groove 410 on the bracket 400 that is relatively far away from the base 100.
  • the angle between the second swing arm 310 and the base 100 is a second angle
  • the second end of the second swing arm 310 is located at a slot head position in the slide groove 410 on the bracket 400 that is relatively close to the base 100.
  • first limit groove 520 and the second limit groove 530 in different unfolding stages of the electronic device, that is, when the first swing arm 210 and the second swing arm 310 rotate relative to the base 100, one of the first swing arm 210 and the second swing arm 310 can be used to drive the support member 510 to rotate relative to the base 100, and the support member 510 can also generate a relative rotation angle relative to the bracket 400.
  • the first limit block 230 and the second limit block 330 can both be cubic structures.
  • the first limit block 230 and the second limit block 330 can both be cylindrical structures, and both correspond to the first limit groove 520 and the second limit groove 530 on the support member 510 through their respective outer circular surfaces.
  • the first ends of the first swing arm 210 and the second swing arm 310 are respectively rotatably engaged with the base 100.
  • the motion trajectories of the first limit block 230 on the first swing arm 210 and the second limit block 330 on the second swing arm 310 can be clearly determined.
  • the specific trajectories and shapes of the first limit slot 520 and the second limit slot 530 set on the support member 510 can be determined.
  • the first limit block 230 on the first swing arm 210 and the corresponding part of the first limit slot 520 need to limit each other in a direction perpendicular to the extension direction of the first limit slot 520 to ensure that the first limit block 230 can drive the support member 510 to produce a corresponding rotation movement; at the same time, in order to prevent the second limit block 330 on the second swing arm 310 from interfering with the normal rotation stroke of the support member 510 controlled by the first swing arm 210, it is necessary to design the part of the second limit slot 530 corresponding to the control stroke of the first swing arm 210, so that in the rotation stroke of the support member 510 controlled by the first swing arm 210, the second limit block 330 and the second track slot can be movably matched in a direction perpendicular to the extension direction of the second track slot.
  • direction C is the extension direction of the first limiting slot 520 at the position of the first limiting block 230
  • direction D is the direction perpendicular to the extension direction of the first limiting slot 520.
  • the above-mentioned stroke can be explained by using the rotation angle between the first swing arm 210 and the base 100.
  • the first angle can be 0° and the second angle can be 90°.
  • the first limit block 230 is made to slide along the first limit groove 520 to use the first limit block 230 to drive the support member 510 to rotate relative to the first swing arm 210.
  • the first limit groove 520 is always limitedly engaged with the first limit block 230 in a direction perpendicular to the extension direction of the first limit groove 520, so that the first limit block 230 is always in contact with the groove walls on opposite sides of the first limit groove 520, and the second limit groove 530 is movably engaged with the second limit block 330 in a direction perpendicular to the extension direction of the second limit groove 530, preventing the second limit block 330 from interacting with the groove wall of the second limit groove 530 due to contact and engagement, causing the second limit block 330 to drive the support member 510.
  • the first limit block 230 is used to slide along the first limit groove 520 to achieve the purpose of driving the support member 510 relative to the first swing arm 210; at the same time, when the angle between the first swing arm 210 and the base 100 is within a second angle range, the second limit block 330 is used to slide along the second limit groove 530 to achieve the purpose of driving the support member 510 relative to the first swing arm 210.
  • the minimum value of the second angle range is greater than or equal to the maximum value of the first angle range.
  • the first swing arm 210 when the hinge mechanism is in the process of rotating from the state about to be unfolded to the state in which it is in the unfolded state, the first swing arm 210 can be used as the driving source of the support member 510, and in the aforementioned rotation process, the second limit block 330 is movably cooperated with the second limit groove 530 to prevent the second limit block 330 from interfering with the normal process of the first swing arm 210 driving the support member 510.
  • the second limiting block 330 can be used to limit the second limiting groove 530 in a direction perpendicular to the extension direction of the second limiting groove 530, so that the second limiting block 330 serves as the driving source of the support member 510 and drives the support member 510 to rotate relative to the first swing arm 210.
  • the travel distance between the second limiting block 330 and the second limiting groove 530 provided on the second swing arm 310 is also relatively long. This can make the second swing arm 310 drive the support member 510 to rotate with respect to the bracket 400 with relatively higher precision, thereby improving the support effect and stability of the support member 510 for the display screen.
  • An embodiment of the present application discloses an electronic device, which includes a base 100, a first swing arm 210, a second swing arm 310 and a support member 510.
  • the bearing portion 211 of the first end of the first swing arm 210 is rotatably connected to the bearing groove of the base 100, and the first end of the second swing arm 310 is rotatably connected to the base 100 via a rotating shaft, so that the hinge mechanism can switch between an unfolded state and a folded state.
  • the support member 510 is also connected to the first swing arm 210 through the first limit block 230 and the first limit groove 520 that cooperate with each other, and the support member 510 is also connected to the second swing arm 310 through the second limit block 330 and the second limit groove 530 that cooperate with each other. Therefore, when the support member 510 rotates relative to the base 100 along with the first swing arm 210 (and the second swing arm 310), the support member 510 can also rotate relative to the first swing arm 210, so as to expand the accommodation space at the support member 510 in the electronic device in the folded state, and prevent the part of the display screen of the electronic device opposite to the hinge mechanism from being squeezed and damaged.
  • the first limit block 230 on the first swing arm 210 is used as a device for driving the support member 510 to rotate relative to the first swing arm 210.
  • the electronic device when the angle between the first swing arm 210 and the base 100 is at the minimum value of the first angular range, the electronic device is in the unfolded state, and the minimum value of the second angular range is greater than or equal to the maximum value of the first angular range.
  • the first angle range and the second angle range may be only a portion of the maximum unfolded angle (e.g., 90°) between the first swing arm 210 and the base 100.
  • the angle between the first swing arm 210 and the base 100 may further include a third angle range, wherein the minimum value of the third angle range is greater than or equal to the maximum value of the second angle range.
  • the third angle range may correspond to the angle range of the electronic device from about to be folded to the folded state.
  • the electronic device is in the folded state.
  • the first swing arm 210 in addition to using the first swing arm 210 to drive the support member 510 when the electronic device is about to be unfolded to the unfolded state, the first swing arm 210 is also used to drive the support member 510 when the electronic device is about to be folded to the folded state.
  • the first limit block 230 can form a relatively stable matching relationship with the first limit groove 520.
  • the sum of the first angle range, the second angle range, and the third angle range can be made equal to the maximum rotation angle between the first swing arm 210 and the base 100, that is, in the initial stage and the final stage of the electronic device unfolding (or folding), the first limit block 230 can be used to drive the support member 510 to rotate relative to the first swing arm 210, and in the middle stage of the electronic device unfolding (or folding), the second limit block 330 can be used to drive the support member 510 to rotate relative to the first swing arm 210, so that the hinge mechanism has both a relatively small width size and relatively high movement accuracy.
  • the specific values of the first angle range, the second angle range, and the third angle range can be flexibly determined according to actual conditions.
  • a specific embodiment is that the first angle range can be 0° to 15°, the second angle range can be 5° to 82.5°, and the third angle range can be 82.5° to 90°.
  • the first limiting groove 520 can be sequentially divided into a first active section, a first inactive section, a limiting protrusion, and a second inactive section.
  • the first limiting block 230 engages with the first active section.
  • the first limiting block 230 sequentially engages with the first inactive section, the limiting protrusion section, and the second inactive section.
  • the first limiting block 230 does not serve as a driving source for the support member 510 to rotate relative to the first swing arm 210.
  • the second limiting block 330 drives the support member 510 to rotate relative to the first swing arm 210.
  • the first limit block 230 can also be used to drive the support member 510.
  • the first limit groove 520 can also include a second action section, and the second action section is connected to the side of the second non-action section away from the limit protrusion section.
  • the first limiting block 230 can serve as a driving source, driving the support member 510 to rotate relative to the first swing arm 210. Accordingly, in the aforementioned stage, the corresponding position within the second limiting groove 530 also needs to be designed accordingly, so that when the first limiting block 230 engages with the limiting protrusion, the second limiting block 330 can flexibly engage with the second limiting groove 530 in a direction perpendicular to the extension direction of the second limiting groove 530.
  • the first limit block 230 when the angle between the first swing arm 210 and the base 100 is within the first angular range, the first limit block 230 is used to drive the support member 510 to rotate relative to the first swing arm 210; when the angle between the first swing arm 210 and the base 100 is within the fourth angular range, the second limit block 330 is used to drive the support member 510 to rotate relative to the first swing arm 210; when the angle between the first swing arm 210 and the base 100 is within the fifth angular range, the first limit block 230 is used to drive the support member 510 to rotate relative to the first swing arm 210; when the angle between the first swing arm 210 and the base 100 is within the sixth angular range, the second limit block 330 is used to drive the support member 510 to rotate relative to the first swing arm 210; and when the angle between the first swing arm 210 and the base 100 is within the third angular range, the first limit block 230 is used to drive the support member 510 to rotate relative to the first swing arm 210.
  • the surface on which the extrusion protrusion 540 contacts the first limit block 230 includes a first curved surface and a second curved surface that are connected to each other.
  • the first limit block 230 can cooperate with the first curved surface and the second curved surface respectively. Under the action of the curved surfaces, the movement smoothness of the first limit block 230 can be relatively high, thereby preventing the electronic device from experiencing setbacks during the unfolding and folding process.
  • the first swing arm 210 includes a bearing portion 211 rotatably connected to the base 100. More specifically, as shown in Figure 4, the first swing arm 210 also includes a main body portion 213 and a connecting portion 212.
  • the bearing portion 211 is fixedly connected to the main body portion 213 through the connecting portion 212, that is, the connecting portion 212 is located between the bearing portion 211 and the main body portion 213, so that the connecting portion 212 is used as a bridging structure between the main body portion 213 and the bearing portion 211.
  • the main body portion 213 can be a portion of the first swing arm 210 directly used to connect to other structures such as the shell or bracket 400, or, similar to the connecting portion 212, the main body portion 213 can also be a bridging structure between other functional structures in the first swing arm 210. This is not limited in this article.
  • the body portion 213 is thicker than the connecting portion 212, or in other words, the connecting portion 212 is thinner than the body portion 213.
  • the thickness of the body portion 213 and the connecting portion 212 may vary at different locations. In this case, the location with the smallest thickness between the body portion 213 and the connecting portion 212 is located on the connecting portion 212. Based on this, intuitively speaking, within the entire first swing arm 210, the connecting portion 212 can withstand relatively less impact load than the body portion 213.
  • both opposite sides of the main body 213 may be provided with first limit blocks 230.
  • two first limit slots 520 may be provided on the support member 510 at positions corresponding to the two first limit blocks 230 of the first swing arm 210, and each of the first limit slots 520 may be slidably engaged with the two first limit blocks 230.
  • only one first limit slot 520 may be provided on the support member 510 corresponding to the same first swing arm 210, and this one limit slot may be slidably engaged with a first limit block 230 on the first swing arm 210.
  • a first groove 214 may be provided on the main body 213, and the first groove 214 is recessed from the surface of the main body 213 along the thickness direction of the main body 213.
  • the first groove 214 is provided on one side of the main body 213 along the thickness direction of the main body 213.
  • the first groove 214 is still a slot structure, not a through hole. In other words, none of the first grooves 214 penetrates the main body 213 in the thickness direction of the main body 213.
  • the parts directly subjected to force are usually the base 100 of the hinge mechanism and the housing of the electronic device.
  • the first swing arm 210 used to connect the base 100 and the housing will be subjected to a large impact load.
  • the part directly connected to the first swing arm 210 and the base 100 is the bearing portion 211
  • the contact area between the bearing portion 211 and the bearing groove is relatively large.
  • the second end of the first swing arm 210 and the bracket 400 usually adopt a shaft-hole matching relationship, the contact area between the second end of the first swing arm 210 and the bracket 400 is also relatively large.
  • the point of application of the impact load is usually concentrated in the middle of the first swing arm 210, specifically at the connecting portion 212 of the first swing arm 210 with a smaller thickness.
  • the distance between the edge of the first groove 214 and the edge of the main body 213 is greater than zero, so as to achieve the purpose of spacing the edges of the first groove 214 and the main body 213 from each other, thereby ensuring that the first groove 214 will not penetrate the main body 213 in the axial direction of rotation of the bearing shell 211, so that the position where the first groove 214 is located on the main body 213 still includes a portion that has not yet been extended by the first groove 214, and the thickness of this portion is relatively large, at least greater than the thickness of the connecting portion 212, so that even if the first groove 214 is provided on the surface of the main body 213, the overall load impact resistance of the main body 213 can still be ensured to be relatively strong.
  • any first groove 214 is spaced from the edge of the main body 213 along both the length and width directions of the first swing arm 210.
  • the length direction of the first swing arm 210 can be direction Y in FIG. 4
  • the width direction of the first swing arm 210 can be direction X in FIG. 2 .
  • the first groove 214 and the first limit block 230 can be distributed along the rotation axis of the first swing arm 210, so that the distance between the first groove 214 used to absorb energy and the first limit block 230 is relatively smaller, thereby improving the degree of weakening of the impact load in the area where the first limit block 230 is located in the main body 213.
  • the size of the main body 213 can usually be made larger than the size of the connecting portion 212, that is, the width of the main body 213 is larger than the width of the connecting portion 212.
  • the first limit block 230 and the first groove 214 can both be arranged at a position with a larger width in the main body 213.
  • the difficulty of assembling the first swing arm 210 and the support member 510 can be reduced.
  • the impact resistance of the position where the first groove 214 is provided in the main body 213 can be further improved, thereby improving the overall structural stability of the first swing arm 210.
  • the sleeve portion 313 can also be provided with a structure such as gear teeth or a gear, so that the second swing arms 310 respectively arranged on opposite sides of the base 100 can form a synchronous rotation relationship, thereby enabling the hinge mechanism to have the ability to symmetrically unfold and fold.
  • this can improve the display effect of the display screen, and on the other hand, it can improve the folding symmetry of the display screen, thereby increasing the service life of the display screen.
  • the second limit block 330 can be connected to one side of the sliding portion 314.
  • the sliding portion 314 is configured to form a sliding engagement with the bracket 400. Since the second limit block 330 needs to slide in engagement with the second limit slot 530, the sliding slot 410 on the bracket 400, which engages with the sliding portion 314, can overlap with the second limit slot 530 to a certain extent along the width of the hinge mechanism, thereby further reducing the width of the hinge mechanism.
  • the second limit blocks 330 can also be provided on opposite sides of the second swing arm 310, and two second limit slots 530 can be provided on the support member 510 corresponding to the same second swing arm 310.
  • the second swing arm 310 optionally includes a first arm body 311 and a second arm body 312, and the first arm body 311 and the second arm body 312 are spaced apart along the rotation axis of the first swing arm 210.
  • the bracket 400 is provided with a slide groove 410, and further, the first arm body 311 and the second arm body 312 are both slidably mounted in the slide groove 410 of the bracket 400.
  • a second limit block 330 in order to reduce the design difficulty of the support member 510 and the bracket 400, a second limit block 330 can be provided on the side of the sliding portion 314 of the first arm 311 facing the second arm 312. Accordingly, the second limit block 330 can be no longer provided on the second arm 312. At the same time, the second limit groove 530 is provided between the first arm 311 and the second arm 312.
  • the area between the first arm 311 and the second arm 312 can be reasonably utilized to improve the tightness between the components in the hinge mechanism and save installation space; at the same time, the first arm 311 and the second arm 312 can both form a more reliable limit matching relationship with the bracket 400 in the above-mentioned rotation axis.

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Abstract

一种电子设备,包括基座(100)、第一摆臂(210)、第二摆臂(310)和支撑件(510),第一摆臂(210)的第一端包括轴瓦部(211),轴瓦部(211)与基座(100)的轴瓦槽转动连接,第二摆臂(310)的第一端通过转轴与基座(100)转动连接;第一摆臂(210)设有第一限位块(230),第二摆臂(310)设有第二限位块(330),支撑件(510)设有第一限位槽(520)和第二限位槽(530),第一限位块(230)至少部分位于第一限位槽(520)内,第二限位块(330)至少部分位于第二限位槽(530)内;在第一摆臂(210)与基座(100)之间的角度在第一角度范围时,第一限位块(230)沿第一限位槽(520)滑动,且驱动支撑件(510)相对第一摆臂(210)转动;在第一摆臂(210)与基座(100)之间的角度在第二角度范围时,第二限位块(330)沿第二限位槽(530)滑动,且驱动支撑件(510)相对第一摆臂(210)转动,第二角度范围的最小值大于或等于第一角度范围的最大值。

Description

电子设备
相关申请的交叉引用
本申请要求在2024年03月29日提交中国专利局、申请号为202410377518.0、发明名称为“电子设备”的中国专利申请的优先权,该中国专利申请的全部内容通过引用包含于此。
技术领域
本申请属于电子设备技术领域,具体涉及一种电子设备。
背景技术
受用户需求的影响,可折叠式电子设备以其兼具较大的显示面积和较强的便携能力而越来越受到消费者的青睐。可折叠式电子设备通常利用铰链机构使两部分壳体形成转动连接关系,且使铰链机构支撑件与壳体一并为电子设备的显示屏提供支撑作用。
当前的电子设备中,通常利用同步摆臂与支撑件形成配合关系,以在同步摆臂相对基座转动的过程中,带动支撑件一并转动,且使支撑件的转动角度大于同步摆臂的转动角度,进而在电子设备处于折叠状态时,使支撑件能够为显示屏提供相应的容纳空间。
但是,由于同步摆臂与铰链机构的支架之间形成有滑动配合关系,进而在利用同步摆臂驱动支撑件的情况下,需要使支撑件上所设置的轨迹槽等结构的整体尺寸相对较大,由于前述轨迹槽整体上沿铰链机构的宽度方向设置,从而造成铰链机构的整体宽度相对较大,导致铰链机构占用的安装空间亦相对较大。
发明内容
本申请实施例的目的是提供一种电子设备,以解决目前的电子设备中,因铰链机构的宽度相对较大,进而导致铰链机构在电子设备中所占的安装空间亦相对较大的问题。
本申请实施例提供了一种电子设备,其包括基座、第一摆臂、第二摆臂和支撑件,所述第一摆臂的第一端包括轴瓦部,所述轴瓦部与所述基座的轴瓦槽转动连接,所述第二摆臂的第一端通过转轴与所述基座转动连接;所述第一摆臂设有第一限位块,所述第二摆臂设有第二限位块,所述支撑件设有第一限位槽和第二限位槽,所述第一限位块至少部分位于所述第一限位槽内,所述第二限位块至少部分位于所述第二限位槽内;在所述第一摆臂与所述基座之间的角度在第一角度范围时,所述第一限位块沿所述第一限位槽滑动,且驱动所述支撑件相对所述第一摆臂转动;在所述第一摆臂与所述基座之间的角度在第二角度范围时,所述第二限位块沿所述第二限位槽滑动,且驱动所述支撑件相对所述第一摆臂转动,其中,所述第二角度范围的最小值大于或等于所述第一角度范围的最大值。
本申请实施例公开一种电子设备,其包括基座、第一摆臂、第二摆臂和支撑件,第一摆臂的第一端的轴瓦部与基座的轴瓦槽转动连接,第二摆臂的第一端通过转轴与基座转动连接,使铰链机构能够在展开状态和折叠状态之间切换。并且,支撑件还通过相互配合的第一限位块和第一限位槽与第一摆臂连接,且支撑件还通过相互配合的第二限位块和第二限位槽与第二摆臂连接,进而在支撑件随第一摆臂(以及第二摆臂)相对基座转动的同时,还使得支撑件能够相对第一摆臂转动,以扩大处于折叠状态的电子设备中支撑件处的容纳空间,防止电子设备的显示屏中与铰链机构相对的部分被挤压而损坏。
另外,于本申请中,在第一摆臂与基座之间的角度为第一角度范围时,利用第一限位块与第一限位槽之间的相对滑动关系,可以实现在铰链机构将要折叠至折叠状态之间的转动阶段中,使第一摆臂上的第一限位块作为驱动支撑件相对第一摆臂转动的器件,相对地,在前述转动阶段,则无需再利用第二摆臂上的第二限位块作为支撑件的驱动源,从而使得与第二限位块配合的第二限位槽的末端(即在垂直于第一摆臂的转动轴向的方向上远离基座的一端)可以被去除相应的尺寸,在此情况下,使得第二限位槽和支撑件的宽度尺寸均能够得到相应的减小,实现减小整个铰链机构的宽度尺寸的目的,进而可以在一定程度上节省铰链机构在电子设备中所占用的安装空间。
同时,于本申请中,在第一摆臂与基座之间的角度为第二角度范围时,则可以利用第二限位块与第二限位槽之间的滑动配合关系,实现驱动支撑件相对第一摆臂转动的目的。并且,由于第二摆臂与支撑件之间的滑动行程相对较长,从而在利用第二摆臂驱动支撑件的过程中,可以提升支撑件的被驱动精度,进一步防止电子设备的显示屏在被折叠的过程中受到挤压。
附图说明
图1是本申请实施例公开的电子设备中铰链机构处于折叠状态下的结构示意图;
图2是图1示出的铰链机构处于展开状态下的结构示意图;
图3是图1示出的铰链机构的分解示意图;
图4是本申请实施例公开的电子设备中铰链机构中第一摆臂的结构示意图;
图5是本申请实施例公开的电子设备中铰链机构中第二摆臂的结构示意图;
图6是本申请实施例公开的电子设备中铰链机构中支撑件的结构示意图;
图7是本申请实施例公开的电子设备中铰链机构的剖面图一;
图8是本申请实施例公开的电子设备中铰链机构的剖面图二;
图9是本申请实施例公开的电子设备中铰链机构的剖面图三;
图10是本申请实施例公开的电子设备中铰链机构的剖面图四;
图11是本申请实施例公开的电子设备的结构示意图。
附图说明是:
1-铰链机构、2-壳体、3-显示屏、31-第一显示区、32-第二显示区、33-第三显示区、
100-基座、
210-第一摆臂、211-轴瓦部、212-连接部、213-本体部、214-第一凹槽、230-第一限位
块、
310-第二摆臂、311-第一臂体、312-第二臂体、313-轴套部、313a-通孔、314-滑动部、
330-第二限位块、
400-支架、410-滑槽、
510-支撑件、520-第一限位槽、530-第二限位槽、540-挤压凸块、
600-阻尼组件。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”等所区分的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”,一般表示前后关联对象是一种“或”的关系。
本申请实施例公开一种电子设备,其具体为可折叠式电子设备,也即,该电子设备具有折叠状态和展开状态,且可在折叠状态和展开状态之间切换。如图1-图11所示,电子设备包括基座100、第一摆臂210、第二摆臂310和支撑件510,当然,电子设备通常还包括如壳体、显示屏、支架400和阻尼组件600等其他器件。如图11所示,电子设备中,任意两个壳体2之间均可以通过铰链机构1形成转动连接关系,且显示屏3可以安装于铰链机构1和壳体2上,以形成具备折叠能力的可折叠式电子设备。另外,显示屏3可以整体上为柔性屏,或者,显示屏3可以包括第一显示区31、第二显示区32和第三显示区33,其中,第三显示区33连接于第一显示区31和第二显示区32之间,且第一显示区31和第二显示区32分别支撑于两个壳体2上,二者可以为柔性结构,亦可以为刚性结构,第三显示区33与铰链机构1相对,且第三显示区33为柔性结构。
如图1和图2所示,第一摆臂210和第二摆臂310均与基座100转动连接,且为了保证铰链机构可以为两个壳体提供转动连接关系,基座100的相对两侧通常均设有第一摆臂210和第二摆臂310。支架400通常用以直接与壳体连接,且支架400还与第一摆臂210和第二摆臂310连接,以使壳体之间形成稳定的装配关系,支撑件510则用以为电子设备的显示屏中与铰链机构相对的部分提供支撑作用,保证显示屏中位于壳体之外的部分的被支撑效果亦相对较好。
详细地说,第一摆臂210和第二摆臂310各自的第一端均转动连接于基座100,如上所述,基座100的相背两侧均可以设有第一摆臂210和第二摆臂310,在此情况下,可以认为各第一摆臂210和各第二摆臂310的第一端均与基座100转动连接,且基座100的相背两侧中的任一侧均设有至少一个第一摆臂210和至少一个第二摆臂310。并且,第一摆臂210和第二摆臂310均能够相对基座100在第一角度和第二角度之间转动配合,且第二角度大于第一角度。其中,在第一摆臂210和第二摆臂310与基座100之间的角度等于第一角度的情况下,电子设备处于展开状态,在第一摆臂210和第二摆臂310与基座100之间的角度等于第二角度的情况下,电子设备处于折叠状态,相应地,电子设备还具备在折叠状态和展开状态之间切换,从而使电子设备中的显示屏能够被折叠和展开。
更具体地,第一角度可以为0°,第二角度可以为90°,当然,在存在其他需求等情况下,第一角度和第二角度亦可以采用其他具体的角度值。需要说明的是,在本申请上述关于角度的描述中,均是将第一摆臂210、第二摆臂310和基座100看作一直线所进行的描述,其中,以第一摆臂210的相背两端之间的连线看作为第一摆臂210,且以基座100的宽度方向所在的直线看作为基座100,则第一摆臂210与基座100之间的角度既可以为上述两条直线之间的夹角。相似地,对于第二摆臂310与基座100之间的夹角的定义亦可以参照上述针对第一摆臂210的相关描述,考虑文本简洁,此处不再重复说明。更直观地,以图7中方向A为第一摆臂210所在的直线,方向B为基座100所在的直线。
更详细地,第一摆臂210的第一端与基座100之间具体可以利用如轴瓦结构等形成转动配合关系,而第二摆臂310的第一端与基座100之间则可以采用轴孔类结构形成转动配合关系。具体地,第一摆臂210的第一端包括轴瓦部211,相应地,基座100上设有与轴瓦部211配合的轴瓦槽,且使第一摆臂210的轴瓦部211可以与基座100的轴瓦槽转动连接;相应地,第二摆臂310的第一端则可以设有轴孔等结构,更具体来说,第二摆臂310的第一端包括轴套部313,且轴套部313设有通孔313a,在此情况下,基座100上对应于第二摆臂310的位置处亦可以设有相应的通孔,从而使第二摆臂310的轴套部313可以通过转轴与基座100上对应的通孔形成轴孔连接结构。在本申请的其他实施例中,亦可以使第二摆臂310的第一端包括转轴,这亦可以保证第二摆臂310的第一端可以通过转轴与基座100转动连接。
基于上述技术方案,使得第一摆臂210的第一端与基座100之间的转动轴线能够位于基座100之外,且使第二摆臂310的第一端与基座100之间的转动轴线位于基座100上,同时,第一摆臂210和第二摆臂310各自的第一端的转动轴线相互平行,这可以为铰链机构中的支撑件510能够为电子设备的显示屏提供容纳空间作铺垫。
如上所述,电子设备包括支架400,为此,可以使第一摆臂210的第二端与支架400转动连接,且使第二摆臂310的第二端与支架400在垂直于第一摆臂210的转动轴向的方向上滑动配合,在此情况下,当第一摆臂210和第二摆臂310一并相对于基座100转动时,可以保证支架400能够一并地随第一摆臂210和第二摆臂310相对基座100转动。具体地,第一摆臂210的第二端与支架400之间可以采用轴孔类结构形成转动连接关系,第二摆臂310与支架400之间,则可以采用滑动配合结构形成装配关系,具体可以在支架400上设置滑槽410,且使第二摆臂310的第二端所在的一部分与滑槽410滑动配合。
并且,在电子设备的铰链机构自展开状态切换至折叠状态的过程中,支架400中远离基座100的一端与第二摆臂310的第二端之间的间距逐渐增大,反之,在铰链机构自折叠状态切换至展开状态的过程中,支架400中远离基座100的一端与第二摆臂310的第二端之间的间距逐渐减小。换句话说,在第二摆臂310与基座100之间的角度为第一角度的情况下,支架400中远离基座100的一端与第二摆臂310的第二端之间的间距相对较小,在第二摆臂310与基座100之间的角度为第二角度的情况下,支架400中远离基座100的一端与第二摆臂310的第二端之间的间距相对较大。再换句话说,在第二摆臂310与基座100之间的角度为第一角度的情况下,第二摆臂310的第二端位于支架400上的滑槽410中相对远离基座100的槽尾位置,在第二摆臂310与基座100之间的角度为第二角度的情况下,第二摆臂310的第二端位于支架400上的滑槽410中相对靠近基座100的槽头位置。
如上所述,铰链机构包括支撑件510,基于此,为了保证支撑件510能够与铰链机构中的其他器件形成稳定的装配关系,在本申请实施例中,支撑件510与支架400转动连接,在此情况下,通过使支撑件510再与第一摆臂210和第二摆臂310形成相应的装配关系之后,即可保证支撑件510能够与支架400形成可靠的连接关系,且在第一摆臂210和第二摆臂310相对基座100转动的过程中,带动支撑件510相对基座100转动,且使支撑件510还相对支架400转动,进而使支撑件510的转动角度大于支架400的转动角度。
详细地,第一摆臂210设有第一限位块230,第二摆臂310设有第二限位块330,支撑件510设有第一限位槽520和第二限位槽530,其中,第一限位块230至少部分位于第一限位槽520内,第二限位块330至少部分位于第二限位槽530内。当然,第一限位块230能够沿第一限位槽520的延伸方向在第一限位槽520内滑动,且第二限位块330能够沿第二限位槽530的延伸方向在第二限位槽530内滑动。在采用前述技术方案的情况下,通过对第一限位槽520和第二限位槽530的具体结构进行设计,可以在电子设备的不同展开阶段,即可在第一摆臂210和第二摆臂310一并相对基座100转动的过程中,分别利用第一摆臂210和第二摆臂310中的一者带动支撑件510相对基座100转动的同时,还可以使支撑件510相对支架400产生相对转动角度。
其中,第一限位块230和第二限位块330均可以为立方体状结构,为了提升二者的动作精度和顺畅性,第一限位块230和第二限位块330均可以为圆柱状结构,且二者均通过各自的外周圆面与支撑件510上的第一限位槽520和第二限位槽530对应配合。
如上所述,第一摆臂210和第二摆臂310各自的第一端均与基座100转动配合,在此情况下,可以明确第一摆臂210上的第一限位块230,以及第二摆臂310上的第二限位块330的运动轨迹,基于前述运动轨迹,再根据支撑件510能够相对支架400转动的最大角度等参数,以及在第一摆臂210相对基座100转动的全程中,哪部分行程由第一摆臂210所控制,以及哪部分行程由第二摆臂310所控制,即可确定支撑件510上所设置的第一限位槽520和第二限位槽530的具体轨迹和形状。
更具体地,在由第一摆臂210控制支撑件510的转动的行程中,第一摆臂210上的第一限位块230与第一限位槽520的对应部分需要在垂直于第一限位槽520的延伸方向的方向上相互限位,以保证第一限位块230能够驱动支撑件510产生相应的转动动作;同时,为了防止第二摆臂310上的第二限位块330妨碍第一摆臂210控制支撑件510转动的行程的正常进行,则需要对第二限位槽530中与第一摆臂210的控制行程对应的部分进行设计,以在第一摆臂210控制支撑件510的转动的行程中,使第二限位块330与第二轨迹槽能够在垂直于第二轨迹槽的延伸方向的方向上活动配合。
对应地,在利用第二限位块330和第二限位槽530限制支撑件510的运动轨迹的行程中,则需要对第二限位槽530中相应的部分的尺寸进行限制,以使第二限位块330与第二限位槽530中的上述部分能够在垂直于第二限位槽530的延伸方向的方向上限位配合,以利用第二限位块330驱动支撑件510运动。当然,亦需要使第一限位块230不妨碍上述过程的正常进行,为此,在利用第二限位块330驱动支撑件510的行程中,需要使第一限位块230与第一限位槽520能够在垂直于第一限位槽520的延伸方向的方向上活动配合。
需要说明的是,上述垂直于第一限位槽520的延伸方向的方向,以及垂直于第二限位槽530的延伸方向的方向均垂直于第一摆臂210的转动轴向;更直观地说,由于第一限位槽520的延伸方向可能并非为一直线方向,进而,垂直于第一限位槽520的延伸方向的方向具体可以为第一限位槽520中对应位置处的切向的垂线所在的方向,相似地,垂直于第二限位槽530的延伸方向的方向亦是如此。为了便于理解,如图9所示,以第一限位块230所在的位置处为例,方向C即为第一限位槽520在第一限位块230所在位置处的延伸方向,方向D即为垂直于第一限位槽520的延伸方向的方向。
其中,上述行程,可以利用第一摆臂210与基座100之间的转动角度进行说明,如上,第一角度可以为0°,第二角度可以为90°,在此情况下,可选地,在第一摆臂210与基座100之间的角度在某一角度范围时,使第一限位块230沿第一限位槽520滑动,以利用第一限位块230驱动支撑件510相对第一摆臂210转动。详细地说,在第一摆臂210与基座100之间的角度处于上述第一角度范围内的情况下,第一限位槽520始终与第一限位块230在垂直于第一限位槽520的延伸方向的方向上限位配合,从而使第一限位块230与第一限位槽520的相对两侧槽壁始终接触配合,且使第二限位槽530与第二限位块330在垂直于第二限位槽530的延伸方向的方向上活动配合,防止第二限位块330因与第二限位槽530的槽壁产生接触配合,而相互作用,使第二限位块330产生驱动支撑件510的情况。
同时,在第一摆臂210与基座100之间的夹角在另一角度范围时,第二限位块330沿第二限位槽530滑动,以利用第二限位块330驱动支撑件510相对第一摆臂210转动。其中,在第一摆臂210与基座100之间的角度第二角度范围内的情况下,第二限位槽530始终与第二限位块330在垂直于第二限位槽530的延伸方向的方向上限位配合,从而使第二限位块330与第二限位槽530的相对两侧槽壁始终接触配合,且使第一限位槽520与第一限位块230在垂直于第一限位槽520的延伸方向的方向上活动配合。
需要说明的是,无论是利用第一摆臂210(上的第一限位块230)驱动支撑件510相对第一摆臂210转动,还是利用第二摆臂310(上的第二限位块330)驱动支撑件510相对第一摆臂210转动,第一限位块230均会沿第一限位槽520的延伸方向相对第一限位槽520滑动,且第二限位块330亦会沿第二限位槽530的延伸方向相对第二限位槽530滑动。不同的是,在利用第一限位块230驱动支撑件510时,第一限位块230仅会在第一限位槽520内沿第一限位槽520的延伸方向滑动,但,第二限位块330在沿第二限位槽530的延伸方向相对第二限位槽530滑动的同时,第二限位块330还能够沿垂直于第二限位槽530的延伸方向的方向相对第二限位槽530移动。相似地,在利用第二限位块330驱动支撑件510时,则第一限位块230和第二限位块330的运动方式对调。
当然,在选择支撑件510的驱动源为第一摆臂210还是第二摆臂310的过程中,需要尽量确保所选用的方案能够产生正向的技术效果。为此,于本申请的一个具体实施例中,在第一摆臂210与基座100之间的角度为第一角度范围时,利用第一限位块230沿第一限位槽520滑动,实现驱动支撑件510相对第一摆臂210的目的;同时,在第一摆臂210与基座100之间的角度为第二角度范围时,利用第二限位块330沿第二限位槽530滑动,实现驱动支撑件510相对第一摆臂210的目的。其中,第二角度范围的最小值大于或等于第一角度范围的最大值。其中,在第一摆臂210和基座100之间的角度为第一角度范围的最小值时,电子设备处于展开状态。
换句话说,在本申请实施例中,当铰链机构在处于将要展开状态至处于展开状态时之间的转动过程中,可以利用第一摆臂210作为支撑件510的驱动源,且在前述转动过程中,使第二限位块330与第二限位槽530活动配合,防止第二限位块330妨碍第一摆臂210驱动支撑件510的过程的正常进行。
如上所述,在铰链机构处于折叠状态的情况下,第二摆臂310的第二端位于支架400上所设置的滑槽410中远离基座100的槽尾位置,相应地,在铰链机构处于展开状态的情况下,第二摆臂310上所设置的第二限位块330亦位于第二限位槽530远离基座100的槽尾位置。为此,通过采用上述实施例公开的技术方案,在铰链机构处于将要展开至处于展开状态的转动过程中,使得第二限位槽530无需为第二限位块330在垂直于第二限位槽530的延伸方向的方向上提供限位作用,进而使得第二限位槽530的槽尾位置能够削减相应的延伸尺寸;并且,由于支撑件510的宽度方向和第二限位槽530的延伸方向均具有平行于支撑件510的宽度方向的分量,为此,可以使设有第二限位槽530的支撑件510的宽度能够适应性减小,达到减小整个铰链机构的宽度尺寸的目的。
当然,在采用上述实施例的情况下,为了保证第二限位块330和第二限位槽530仍能够正常提供驱动支撑件510的作用,如上所述,在第一摆臂210与基座100之间的角度为第二角度范围时,可以利用第二限位块330通过与第二限位槽530在垂直于第二限位槽530的延伸方向的方向上限位配合的方式,使第二限位块330作为支撑件510的驱动源,且驱动支撑件510相对第一摆臂210转动。在采用此技术方案的情况下,由于第二摆臂310的第二端相对支架400的移动行程相对较大,从而使得设置于第二摆臂310上的第二限位块330与第二限位槽530之间的配合行程亦相对较长,这可以使第二摆臂310驱动支撑件510相对支架400转动的精度相对更高,进而提升支撑件510对显示屏的支撑效果和稳定性。
需要说明的是,第一角度范围与第二角度范围之和可以等于第一摆臂210和基座100之间的最大相对转动角度,或者,前述二者之和亦可以小于前述最大相对角度,在此情况下,第一摆臂210和基座100之间的角度还可以包括第三角度范围等,对此,下文再进行详细介绍。
本申请实施例公开一种电子设备,其包括基座100、第一摆臂210、第二摆臂310和支撑件510,第一摆臂210的第一端的轴瓦部211与基座100的轴瓦槽转动连接,第二摆臂310的第一端通过转轴与基座100转动连接,使铰链机构能够在展开状态和折叠状态之间切换。并且,支撑件510还通过相互配合的第一限位块230和第一限位槽520与第一摆臂210连接,且支撑件510还通过相互配合的第二限位块330和第二限位槽530与第二摆臂310连接,进而在支撑件510随第一摆臂210(以及第二摆臂310)相对基座100转动的同时,还使得支撑件510能够相对第一摆臂210转动,以扩大处于折叠状态的电子设备中支撑件510处的容纳空间,防止电子设备的显示屏中与铰链机构相对的部分被挤压而损坏。
另外,于本申请中,在第一摆臂210与基座100之间的角度为第一角度范围时,利用第一限位块230与第一限位槽520之间的相对滑动关系,可以实现在铰链机构将要展开至处于折叠状态之间的转动阶段中,使第一摆臂210上的第一限位块230作为驱动支撑件510相对第一摆臂210转动的器件,相对地,在前述转动阶段,则无需再利用第二摆臂310上的第二限位块330作为支撑件510的驱动源,从而使得与第二限位块330配合的第二限位槽530的末端(即在垂直于第一摆臂210的转动轴向的方向上远离基座100的一端)可以被去除相应的尺寸,在此情况下,使得第二限位槽530和支撑件510的宽度尺寸均能够得到相应的减小,实现减小整个铰链机构的宽度尺寸的目的,进而可以在一定程度上节省铰链机构在电子设备中所占用的安装空间。
同时,于本申请中,在第一摆臂210与基座100之间的角度为第二角度范围时,则可以利用第二限位块330与第二限位槽530之间的滑动配合关系,实现驱动支撑件510相对第一摆臂210转动的目的。并且,由于第二摆臂310与支撑件510之间的滑动行程相对较长,从而在利用第二摆臂310驱动支撑件510的过程中,可以提升支撑件510的被驱动精度,进一步防止电子设备的显示屏在被折叠的过程中受到挤压。其中,在第一摆臂210与基座100之间的角度为第一角度范围的最小值时,电子设备处于展开状态,第二角度范围的最小值大于或等于第一角度范围的最大值。
如上所述,第一角度范围和第二角度范围可以仅为第一摆臂210和基座100之间最大展开角度(如90°)中的一部分,基于此,在本申请实施例中,电子设备在展开状态和折叠状态之间切换的过程中,第一摆臂210与基座100之间的角度还可以包括第三角度范围,其中,第三角度范围的最小值大于或等于第二角度范围的最大值。也即,第三角度范围可以对应于电子设备自将要折叠至处于折叠状态之间的角度范围,为此,在第一摆臂210和基座100之间的角度等于第三角度范围的最大值的情况下,电子设备处于折叠状态。
同时,在第一摆臂210与基座100之间的角度在第三角度范围时,可以利用第一限位块230沿第一限位槽520滑动的过程,驱动支撑件510相对第一摆臂210转动。当然,在此过程中,第二限位块330能够在垂直于第二限位槽530的延伸方向的方向上相对第二限位槽530移动,从而防止第二限位块330妨碍第一限位块230的驱动过程的正常进行。
简单地说,在本申请实施例中,除了在电子设备自将要展开至展开状态的阶段利用第一摆臂210驱动支撑件510之外,还在电子设备自将要折叠至折叠状态的阶段亦利用第一摆臂210驱动件支撑件510。在此情况下,使得电子设备处于折叠状态时,第一限位块230能够与第一限位槽520形成较为稳定的配合关系,进而,若处于折叠状态下的电子设备因意外等情况发生跌落,由于第一摆臂210的第一端通过轴瓦部211与基座100连接,第一摆臂210的第二端与支架400之间通过轴孔类结构相互连接,从而即便壳体经支架400和第一摆臂210向基座100传递碰撞作用力,由于支架400和基座100与第一摆臂210之间均无法产生相对移动,进而可以保证在折叠状态下与第一摆臂210配合的支撑件510的稳定性也相对较好,基本不会因处于折叠状态下的电子设备发生碰撞而挤压显示屏,从而可以提升电子设备的可靠性。
另外,在本申请实施例中,可以使第一角度范围、第二角度范围和第三角度范围之和等于第一摆臂210和基座100之间的最大转动角度,也即,在电子设备展开(或折叠)的初始阶段和末尾阶段,可以利用第一限位块230驱动支撑件510相对第一摆臂210转动,而在电子设备展开(或折叠)的中间阶段,可以利用第二限位块330驱动支撑件510相对第一摆臂210转动,以使铰链机构兼具相对较小的宽度尺寸和相对较高的动作精度。当然,对于第一角度范围、第二角度范围和第三角度范围的具体值,则可以根据实际情况灵活确定。一种具体的实施例是,第一角度范围可以为0°~15°,第二角度范围可以为5°~82.5°,第三角度范围可以为82.5°~90°。
在电子设备的铰链机构中,由于铰链机构的尺寸相对较小,其内部的安装空间也相对较小,但是其内部所需安装的零件的数量相对较多,进而,为了进一步防止可能因加工误差等意外因素,导致支撑件510在被驱动以相对第一摆臂210转动的过程中,出现与第一摆臂210靠近支撑件510的侧边的位置处发生剐蹭的情况,在本申请实施例中,还可以在第一限位槽520的内壁设有挤压凸块540,从而在电子设备的展开过程的中间阶段的某一阶段内,利用挤压凸块540与第一限位块230之间的配合关系,使第一限位块230能够驱动支撑件510相对第一摆臂210转动。
更具体地,在第一限位块230相对第一限位槽520滑动的方向上,第一限位槽520中相对的两侧槽底均与挤压凸块540间隔。详细地说,沿第一限位槽520的延伸方向,可以使第一限位槽520依次被划分为第一作用段、第一非作用段、限位凸块和第二非作用段,其中,在第一摆臂210和基座100之间的角度为第一角度范围时,第一限位块230与第一作用段配合,在第一摆臂210和基座100之间的角度为第二角度范围时,第一限位块230与第一非作用段、限位凸块段和第二非作用段依次配合,当然,在第一限位块230与第一非作用段和第二非作用段配合时,第一限位块230并不作为支撑件510相对第一摆臂210转动的驱动源,此时,第二限位块330用以驱动支撑件510相对第一摆臂210转动。另外,在上述实施例中,在第一摆臂210与基座100之间的角度为第三角度范围时,亦可以利用第一限位块230驱动支撑件510,为此,第一限位槽520还可以包括第二作用段,且第二作用段连接于第二非作用段远离限位凸块段的一侧。
并且,在第一限位块230沿第一限位槽520滑动的过程中,当第一限位块230与限位凸块配合时,亦使得第一限位块230能够作为驱动源,驱动支撑件510相对第一摆臂210转动。相应地,在前述阶段,则第二限位槽530内对应的位置处亦需要对应设计,以在第一限位块230与限位凸块配合时,使第二限位块330能够与第二限位槽530在垂直于第二限位槽530的延伸方向的方向上活动配合。
总得来说,基于本实施例,则在第一摆臂210与基座100之间的角度为第一角度范围时,利用第一限位块230驱动支撑件510相对第一摆臂210转动;在第一摆臂210与基座100之间的角度为第四角度范围时,利用第二限位块330驱动支撑件510相对第一摆臂210转动;在第一摆臂210与基座100之间的角度为第五角度范围时,利用第一限位块230驱动支撑件510相对第一摆臂210转动;在第一摆臂210与基座100之间的角度为第六角度范围时,利用第二限位块330驱动支撑件510相对第一摆臂210转动;在第一摆臂210与基座100之间的角度为第三角度范围时,利用第一限位块230驱动支撑件510相对第一摆臂210转动。其中,第二角度范围包括依次设置的第四角度范围、第五角度范围和第六角度范围。
更具体地,为了提升第一限位块230与限位凸块之间的配合稳定性,在本申请实施例中,挤压凸块540与第一限位块230接触的表面包括相互连接的第一弧形面和第二弧形面,在此情况下,当电子设备在展开状态与折叠状态之间切换的过程中,使得第一限位块230可以分别与第一弧形面和第二弧形面配合,在弧形面的作用下,可以使第一限位块230的动作顺畅性相对较高,从而防止电子设备在展开和折叠过程中出现顿挫的现象。
更具体地,可以使第一弧形面和第二弧形面均外凸设置,也即,在第一弧形面和第二弧形面分别与第一限位块230配合时,第一弧形面和第二弧形面均向靠近第一限位块230的方向凸出,这可以降低第一限位块230在第一弧形面和第二弧形面之间切换时所产生的驱动幅度,以进一步提升限位凸块的驱动稳定性和顺畅性。当然,在加工限位凸块的过程中,可以使其随第一限位槽520一并成型,以降低整个铰链机构的加工难度。
如上所述,第一摆臂210包括与基座100转动连接的轴瓦部211,更具体地,如图4所示,第一摆臂210还包括本体部213和连接部212,轴瓦部211通过连接部212与本体部213固定连接,也即,连接部212位于轴瓦部211和本体部213之间,从而利用连接部212作为本体部213和轴瓦部211之间的桥接结构,本体部213可以为第一摆臂210中直接用以与壳体或支架400等其他结构连接的部分,或者,与连接部212相似,本体部213亦可以为第一摆臂210中其他功能结构之间的桥接结构,本文对此不作限定。
其中,与连接部212不同的是,本体部213的厚度大于连接部212的厚度,或者说,连接部212的厚度小于本体部213的厚度。当然,需要说明的是,本体部213和连接部212各自上不同位置处的厚度可能不同,在此情况下,本体部213和连接部212中厚度最小的位置处位于连接部212上。基于此,直观地说,在整个第一摆臂210中,相较于本体部213而言,连接部212所能承受的冲击载荷相对更小。
进而,在本申请实施例中,可以使第一限位块230连接于本体部213的一侧,从而在电子设备发生跌落等情况时,使冲击载荷自壳体经支架400传递至第一摆臂210上时,可以保证第一限位块230所在处的结构(即本体部213)的可靠性相对较高,防止通过第一限位块230与第一摆臂210连接的支撑件510受到较大的冲击作用,进一步防止支撑件510挤压显示屏。
当然,本体部213的相背两侧可以均设有第一限位块230,相应地,在支撑件510上对应于第一摆臂210的两个第一限位块230的位置处,亦可以对应地设置两个第一限位槽520,且分别与两个第一限位块230滑动配合。在本申请的其他实施例中,为了降低支撑件510的加工难度,且由于铰链机构中基座100的同一侧通常设有多个第一摆臂210,为此,可以使支撑件510上对应于同一第一摆臂210仅设置有一个第一限位槽520,且使该一个限位槽与第一摆臂210上的一个第一限位块230对应地滑动配合,在多个第一摆臂210均通过一个第一限位块230与支撑件510配合的情况下,亦可以保证支撑件510被第一摆臂210所驱动时的稳定性和可靠性均相对较高。
如上所述,在第一摆臂210中,连接部212的厚度相对较小,进而,为了防止第一摆臂210在受到冲击作用力之后,出现连接部212变形或断裂的情况,在本申请实施例中,如图4所示,可以在本体部213上设有第一凹槽214,且使第一凹槽214自本体部213的表面沿本体部213的厚度方向凹陷设置,换句话说,在沿本体部213的厚度方向的表面上,本体部213的一侧表面设有第一凹槽214。当然,第一凹槽214仍为槽结构,而非贯穿孔,换句话说,任一第一凹槽214在本体部213的厚度方向上均未贯穿本体部213设置。
在电子设备与其他结构发生碰撞时,直接受力的部分通常为铰链机构的基座100和电子设备的壳体,在此情况下,用以连接基座100和壳体的第一摆臂210会受到较大的冲击载荷。并且,由于第一摆臂210与基座100中直接连接的部分为轴瓦部211,轴瓦部211与轴瓦槽之间的接触面积相对较大,且由于第一摆臂210的第二端与支架400通常采用轴孔配合关系,因此,第一摆臂210的第二端与支架400之间的接触面积亦相对较大,在此情况下,使得冲击载荷的作用点通常会集中在第一摆臂210的中部,具体为第一摆臂210中厚度较小的连接部212处。
而在本申请实施例中,由于本体部213的表面设有沿自身厚度方向凹陷的第一凹槽214,在第一凹槽214的作用下,使得轴瓦部211和第一摆臂210中轴瓦部211的远端传递至连接部212处的作用力能够向第一凹槽214处转移,从而使第一凹槽214产生吸能效应,弱化传递至连接部212处的作用力的作用效果,进而防止连接部212处发生变形甚至断裂的情况。
同时,由于本体部213的厚度相对较大,且在轴瓦部211的转动轴向上,使第一凹槽214的边缘与本体部213的边缘之间的距离大于零,以实现第一凹槽214与本体部213的边缘相互间隔的目的,进而保证第一凹槽214不会在轴瓦部211的转动轴向上贯穿本体部213,以使本体部213上第一凹槽214所在的位置处,仍包括尚未被第一凹槽214延伸至的部分,且该部分的厚度相对较大,至少大于连接部212的厚度,从而使本体部213的表面上即便设有第一凹槽214,仍可以保证本体部213的整体抗载荷冲击能力相对较强。
更详细地说,在本申请实施例中,沿第一摆臂210的长度方向和宽度方向,均需要保证任一第一凹槽214与本体部213的边缘相互间隔。其中,第一摆臂210的长度方向具体可以如图4中的方向Y,第一摆臂210的宽度方向具体可以为图2中的方向X。
为了进一步弱化传递至支撑件510上的冲击载荷,在本申请实施例中,如图4所示,可以使第一凹槽214与第一限位块230沿第一摆臂210的转动轴向分布,从而使用以吸收能量的第一凹槽214与第一限位块230之间的间距相对更小,提升本体部213中第一限位块230所在的区域处的冲击载荷的弱化程度。并且,在本申请实施例中,为了便于组装第一摆臂210和支撑件510,在第一摆臂210的转动轴向上,通常可以使本体部213的尺寸大于连接部212的尺寸,也即,本体部213的宽度大于连接部212的宽度,在此情况下,可以使第一限位块230和第一凹槽214均设置于本体部213中宽度较大的位置处,一方面可以降低第一摆臂210与支撑件510之间的装配难度,另一方面,可以进一步提升本体部213中设有第一凹槽214的位置处的抗冲击性能,从而提升第一摆臂210的整体结构稳定性。
如上所述,第二摆臂310的轴套部313可以通过转轴与基座100形成转动连接关系,且第二摆臂310的第二端可以与支架400形成滑动配合关系,为此,如图5所示,第二摆臂310可以包括轴套部313和滑动部314,且轴套部313与滑动部314固定连接,其中,轴套部313可以设有通孔313a,从而利用通孔313a与转轴配合,进而与基座100形成转动连接关系。当然,轴套部313上还可以设有轮齿或齿轮等结构,从而使分别设置于基座100相对两侧的第二摆臂310之间能够形成同步转动的关系,进而使铰链机构具备对称展开和折叠的能力,一方面可以提升显示屏的显示效果,另一方面可以提升显示屏的折叠对称性,进而提升显示屏的使用寿命。
基于第二摆臂310的上述结构,可以使第二限位块330连接于滑动部314的一侧,其中,滑动部314用以与支架400形成滑动配合关系,由于第二限位块330需要与第二限位槽530滑动配合,在此情况下,沿铰链机构的宽度方向,可以使支架400上用以与滑动部314配合的滑槽410能够与第二限位槽530在一定程度上相互重叠,从而可以进一步减小铰链机构的宽度。另外,与第一摆臂210相似地,第二摆臂310的相背两侧亦可以均设有第二限位块330,且使支撑件510上对应同一第二摆臂310设置两个第二限位槽530。
更具体地,为了提升第二摆臂310与支架400之间的配合稳定性,可选地,第二摆臂310包括第一臂体311和第二臂体312,且第一臂体311和第二臂体312沿第一摆臂210的转动轴向间隔设置,从而在不增大第一臂体311和第二臂体312各自的尺寸的情况下,能够使第一臂体311和第二臂体312在第一摆臂210的转动轴向上所跨过的尺寸相对更大,提升整个第二摆臂310与支架400之间的滑动配合关系。如上,支架400上设有滑槽410,进而,第一臂体311和第二臂体312均滑动安装于支架400的滑槽410中。
在第二摆臂310包括上述第一臂体311和第二臂体312的情况下,可以使第一臂体311和第二臂体312均包括轴套部313和滑动部314,而对于第二限位块330而言,则可以使第一臂体311和第二臂体312中的至少一者设有第二限位块330,当然,第二限位块330设置于滑动部314的一侧。
在本申请的一个具体实施例中,为了降低支撑件510和支架400的设计难度,可以使第一臂体311的滑动部314朝向第二臂体312的一侧设有第二限位块330,相应地,则可以不再第二臂体312上设置第二限位块330。同时,使第二限位槽530设置于第一臂体311和第二臂体312之间。在采用此技术方案的情况下,可以合理利用第一臂体311和第二臂体312之间相互间隔的区域,提升铰链机构中器件间的紧密性,节省安装空间;同时,还可以使第一臂体311和第二臂体312均能够与支架400在上述转动轴向上形成较为可靠的限位配合关系。
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。

Claims (10)

  1. 一种电子设备,包括基座、第一摆臂、第二摆臂和支撑件,所述第一摆臂的第一端包括轴瓦部,所述轴瓦部与所述基座的轴瓦槽转动连接,所述第二摆臂的第一端通过转轴与所述基座转动连接;
    所述第一摆臂设有第一限位块,所述第二摆臂设有第二限位块,所述支撑件设有第一限位槽和第二限位槽,所述第一限位块至少部分位于所述第一限位槽内,所述第二限位块至少部分位于所述第二限位槽内;
    在所述第一摆臂与所述基座之间的角度在第一角度范围时,所述第一限位块沿所述第一限位槽滑动,且驱动所述支撑件相对所述第一摆臂转动;在所述第一摆臂与所述基座之间的角度在第二角度范围时,所述第二限位块沿所述第二限位槽滑动,且驱动所述支撑件相对所述第一摆臂转动,其中,所述第二角度范围的最小值大于或等于所述第一角度范围的最大值。
  2. 根据权利要求1所述的电子设备,其中,在所述第一摆臂与所述基座之间的角度在第三角度范围时,所述第一限位块沿所述第一限位槽滑动,且驱动所述支撑件相对所述第一摆臂转动,所述第三角度范围的最小值大于或等于所述第二角度范围的最大值。
  3. 根据权利要求1所述的电子设备,其中,所述第一限位槽的内壁设有挤压凸块,在所述第一限位块相对于所述第一限位槽滑动的方向上,所述第一限位槽中相对的两侧槽底均与所述挤压凸块间隔,所述挤压凸块可与所述第一限位块配合,且驱动所述支撑件相对所述第一摆臂转动。
  4. 根据权利要求3所述的电子设备,其中,所述挤压凸块与所述第一限位块接触的表面包括相互连接的第一弧形面和第二弧形面,且所述第一弧形面和所述第二弧形面均外凸设置。
  5. 根据权利要求1所述的电子设备,其中,所述第一摆臂包括本体部和连接部,所述连接部连接于所述本体部和所述轴瓦部之间,且所述连接部的厚度小于所述本体部的厚度,所述第一限位块连接于所述本体部的一侧。
  6. 根据权利要求5所述的电子设备,其中,在沿所述本体部的厚度方向的表面上,所述本体部的一侧表面设有第一凹槽,所述第一凹槽的边缘与所述本体部的边缘之间的距离大于零。
  7. 根据权利要求6所述的电子设备,其中,所述第一凹槽与所述第一限位块沿所述第一摆臂的转动轴向分布。
  8. 根据权利要求1所述的电子设备,其中,所述第二摆臂包括相互连接的轴套部和滑动部,所述轴套部通过转轴与所述基座转动连接,所述第二限位块连接于所述滑动部的一侧。
  9. 根据权利要求8所述的电子设备,其中,所述电子设备包括支架,所述支架设有滑槽,所述第二摆臂包括沿所述第一摆臂的转动轴向间隔设置的第一臂体和第二臂体,所述第一臂体和所述第二臂体均包括所述轴套部和所述滑动部,且二者中的至少一者设有所述第二限位块。
  10. 根据权利要求9所述的电子设备,其中,所述第一臂体的滑动部朝向所述第二臂体的一侧设有所述第二限位块,且所述第二限位槽设置于所述第一臂体和所述第二臂体之间。
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