WO2024001499A1 - 一种转轴机构和电子设备 - Google Patents

一种转轴机构和电子设备 Download PDF

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Publication number
WO2024001499A1
WO2024001499A1 PCT/CN2023/091575 CN2023091575W WO2024001499A1 WO 2024001499 A1 WO2024001499 A1 WO 2024001499A1 CN 2023091575 W CN2023091575 W CN 2023091575W WO 2024001499 A1 WO2024001499 A1 WO 2024001499A1
Authority
WO
WIPO (PCT)
Prior art keywords
swing arm
rotating shaft
shaft mechanism
rod body
limiting member
Prior art date
Application number
PCT/CN2023/091575
Other languages
English (en)
French (fr)
Inventor
高明谦
张垚磊
Original Assignee
荣耀终端有限公司
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 荣耀终端有限公司 filed Critical 荣耀终端有限公司
Publication of WO2024001499A1 publication Critical patent/WO2024001499A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • Embodiments of the present application relate to the field of electronic products, and in particular to a rotating shaft mechanism and electronic equipment.
  • Embodiments of the present application provide a rotating shaft mechanism and electronic equipment with high rotational stability and small space occupation.
  • a rotating shaft mechanism includes a base, a first swing arm and a second swing arm, the first ends of the first swing arm and the second swing arm are both rotationally connected to the same side of the base, The rotation axes of the first swing arm and the second swing arm are parallel.
  • the rotation axis mechanism also includes a limiter that is separated from the base. The limiter is integrated with the main body of the electronic device or is fixedly connected or limitedly connected.
  • the rotation axis mechanism also includes The rod body extends in a direction parallel to the rotation axis and simultaneously supports and connects the first swing arm, the second swing arm and the limiting member.
  • first swing arm and the second swing arm can be a main swing arm fixedly connected to the main body, and the other can be an auxiliary swing arm that can slide relative to the main body when rotating.
  • the rotating shaft mechanism formed in this way can have a relatively large High rotational flexibility and support strength.
  • first swing arm and the second swing arm can also be both auxiliary swing arms, or both main swing arms, and can be set appropriately according to the electronic equipment.
  • the limiter can be fixed on the main body of the electronic equipment, increasing the fixed area between the rotating shaft mechanism and the main body, and the support stability is relatively high, which satisfies the rotational stability of the rotating shaft mechanism. needs to improve the reliability of the rotating shaft. Furthermore, the limiter and the base are set separately. There is no direct connection structure between the two, which simplifies the structure of the rotating shaft mechanism.
  • the rotating shaft mechanism has a compact structure and occupies a relatively small space, which meets the requirements of light and thin electronic equipment. design requirements.
  • the first swing arm is fixedly connected to the main body, and the second swing arm can slide relative to the main body when rotating; in this example, the first swing arm and the stopper are fixedly connected to the main body at the same time, and the supporting area is relatively large.
  • the second swing arm is not connected to the main body, and the two can move relative to each other during rotation.
  • the second swing arm can be inserted into the door panel of the electronic device to drive the door panel to rotate.
  • the rotation flexibility of the rotating shaft mechanism is relatively high.
  • the rod is limitedly connected to the first swing arm and the limiter to rotate synchronously with the first swing arm and the limiter, and the second swing arm is provided with a long slide slot that cooperates with the sliding movement of the rod.
  • the rod body can be fixed to the first swing arm or/and the limiter through an interference fit.
  • it can also be limited to the first swing arm and the limiter through clamping or other methods, so that the three can form an integrated body for synchronization.
  • the structures of the first swing arm and the limiting member of the rotating shaft mechanism are relatively simple, and the processing cost is relatively low.
  • the first swing arm, the second swing arm and the limiting member are arranged in sequence along the direction of the rotation axis, and one end of the rod body
  • the first swing arm is fixedly connected, and the other end passes through the elongated chute of the second swing arm to support and limit the stopper.
  • a first swing arm and a stopper that are relatively fixed to the main body are arranged on both sides of the second swing arm that can slide freely with the main body.
  • the first swing arm and the stopper can lift the two ends of the rod body. It plays the role of stable support, thereby improving the overall rotation stability of the rotating shaft mechanism.
  • the rod body is limitedly connected to the second swing arm to rotate synchronously with the two swing arms.
  • the first swing arm and the limiting member are both provided with a long slide groove that cooperates with the sliding movement of the rod body.
  • the rod body and the auxiliary swing arm are limited and fixed to rotate synchronously.
  • the limiting method of the two can refer to the limiting method of the rod body and the first swing arm mentioned above.
  • the limiting method can be a shaft hole fit or a snap connection.
  • the limiting member includes a block, and the block is provided with an installation structure that is fixedly connected or limitedly connected to the main body.
  • the stopper and the main body are two independent components.
  • the stopper is fixedly installed relative to the main body through the installation structure, which can reduce the processing technology of the main body and provide high assembly flexibility.
  • the mounting structure may include through holes for passage of fixing screws. Using screws is simple, reliable and takes up little space.
  • the limiting member further includes at least one of a positioning post and a positioning groove, which is provided on a surface where the limiting member is installed in conjunction with the main body of the electronic device for positioning and installation with the main body.
  • the structure of the positioning post and the positioning groove can realize the rapid positioning of the stopper on the main body and improve the assembly efficiency.
  • the limiting member further includes a first limiting portion for slidingly cooperating with a second limiting portion provided on the door panel of the electronic device during rotation to drive the main body portion to rotate.
  • the limiter slides with the door panel through the first limiter portion, which is beneficial to improving the rotational stability of the door panel and improving the overall performance of the rotating shaft mechanism.
  • an arc-shaped opening is provided on an end surface of the side of the limiting member away from the rod body, and the first limiting part includes an arc-shaped opening. Setting an arc-shaped opening on the end face has a simple structure.
  • a first mounting hole is provided on an end surface of the limiting member facing the rod body.
  • the axial direction of the first mounting hole is parallel to the length direction of the rod body.
  • the rod body is at least partially inserted into and supported in the first mounting hole.
  • the first mounting hole may be a through hole. This can satisfy the assembly of rods of different lengths and improve the flexibility of assembly.
  • the end surface of the first swing arm facing the rod body is provided with a second mounting hole, and the rod body is fixedly installed in the second mounting hole. This installation method is simple and easy.
  • the first swing arm, the second swing arm, the rod body and the limiting member form a swing arm unit
  • the rotating axis mechanism includes at least two swing arm units, and the two swing arm units are symmetrically arranged about the central axis of the base. Multiple swing arm units are beneficial to improving the overall rotational stability of the rotating shaft mechanism, and the support strength is also relatively high.
  • first swing arm, the second swing arm and the limiting member are arranged sequentially along the direction of the rotation axis, the second swing arm has a first notch on a side away from the first swing arm, and the limiting member is at least partially located on the first swing arm. a gap;
  • the second swing arm has a second notch on a side close to the first swing arm, the first swing arm has an extension portion extending into the second notch, and the rod body is fixed to the extension portion.
  • the structure between the first swing arm, the second swing arm and the limiting member is compact, and the space occupied in the axial direction is relatively small.
  • the present invention also provides an electronic device, which includes a flexible screen and any one of the above-mentioned rotating shaft mechanisms, and also includes a main body located on both sides of the rotating shaft mechanism, and the flexible screen is supported on the main bodies on both sides; a first pendulum
  • the arm and the limiting member are both fixed or integrally connected with the main body or limitedly connected. When the first swing arm rotates, the main body is driven to rotate.
  • the electronic device of the present application includes the above-mentioned rotating shaft mechanism, so it also has the above-mentioned technical effects of the rotating shaft mechanism.
  • Figure 1 is a schematic diagram of a rotating shaft mechanism provided by an embodiment of the present application applied to an electronic device
  • Figure 2 is an exploded schematic diagram of the electronic device shown in Figure 1;
  • Figure 3 is a partial schematic diagram of the rotating shaft mechanism and the main body in Figure 2 after assembly;
  • Figure 4 is a partial enlarged view of the structure at point A in Figure 3;
  • FIG. 5 is a schematic structural diagram of the rotating shaft mechanism in Figure 4.
  • Figure 6 is a front view of Figure 5;
  • Figure 7 is a three-dimensional schematic diagram of the limiting member in this application.
  • Figure 8 is a side view of the limiting member shown in Figure 7;
  • Figure 9 is a bottom view of the limiting member shown in Figure 7;
  • Figure 10 is a side view from another direction of the limiting member shown in Figure 7;
  • Figure 11 is a three-dimensional schematic diagram of the first swing arm in Figure 4.
  • Figure 12 is a three-dimensional schematic diagram of the second swing arm in Figure 4.
  • the rotating shaft mechanism of a folding screen terminal is usually fixed by setting a relatively large number of swing arms and the middle frame to increase the support area of the rotating shaft mechanism and the middle frame, thereby improving the rotational stability of the rotating shaft mechanism.
  • the number of swing arms is relatively large, and accordingly The ground rotation axis mechanism occupies a relatively large space, which restricts the development of folding screen terminals in the direction of thinness and lightness.
  • first, second, etc. are used for descriptive purposes only and cannot be understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, features defining “first,” “second,” etc. may explicitly or implicitly include one or more of such features.
  • the rotating shaft mechanism provided by the embodiment of the present application can be applied to electronic equipment.
  • the rotating shaft mechanism of the present application can also be applied to sliding doors, folding machine rotating shafts, accessory rotating shafts, etc.
  • the electronic devices can be mobile phones, tablets, tablet accessories, wearable devices, vehicle-mounted devices, augmented reality (AR)/virtual reality (VR) devices, laptops, ultra-mobile personal computers (ultra- Mobile personal computer (UMPC), netbook, personal digital assistant (PDA) and other mobile terminals, or it can also be a professional digital camera, SLR camera/mirror single camera, action camera, gimbal camera, drone, etc.
  • the embodiment of the present application does not limit the specific type of the electronic device. To facilitate understanding, the following description takes the electronic device as a folding screen terminal as an example.
  • Figure 1 is a schematic diagram of a rotating shaft mechanism provided by an embodiment of the present application applied to an electronic device.
  • Figure 2 is an exploded schematic diagram of the electronic device shown in Figure 1. The central axis is marked in Figure 2. X.
  • the electronic device provided by the embodiment of the present application includes a flexible screen 300, a main body part 200 and a rotating shaft mechanism 100.
  • the number of the main body parts 200 is two.
  • the two main body parts 200 are connected through the rotating shaft mechanism 100.
  • the rotating shaft mechanism 100 is used to make the two
  • the main body 200 can be relatively folded and unfolded.
  • the main body 200 may be a middle frame.
  • the main body 200 depends on the electronic device and will not be introduced in detail in this article.
  • the main electronic device in the attached figure is a mobile phone, and the main part 200 is a middle frame to introduce the technical solution and technical effects.
  • At least part of the flexible screen 300 can be supported on and connected to the main body.
  • the flexible screen 300 is simultaneously in a folded state and an unfolded state.
  • the structures of the left and right main parts may be the same or not exactly the same.
  • the specific structures of the two main parts may be stable according to the specific products, and are not specifically limited in this article.
  • the rotating shaft mechanism 100 in this application includes a base 5, a first swing arm 1 and a second swing arm 2. Each side of the base 5 is provided with at least one first swing arm 1 and at least one second swing arm 1.
  • the swing arm 2, and the first swing arm 1 and the second swing arm 2 on both sides of the base 5 are arranged left and right symmetrically with respect to the central axis X of the base 5.
  • the inner ends of the first swing arm 1 and the second swing arm 2 are both rotatably connected to the base 5. It should be noted that this article defines the direction close to the central axis X as inside, and correspondingly, the direction away from the central axis X is defined as outside.
  • first end of the first swing arm 1 is also called the first end
  • outer end is also called the second end.
  • the rotation axes of the first swing arm 1 and the second swing arm 2 are parallel, and the rotation axes of the two may or may not be collinear.
  • the two first swing arms 1 and the two second swing arms 2 located on the left and right sides of the base 5 are symmetrically arranged relative to the central axis of the base 5. It can be seen that the first swing arms 1 and 2 on the left and right sides of the base 5
  • the structure of arm 1 is the same
  • the rotation connection structure of the first swing arm 1 and the base 5 is also the same
  • the distance from the rotation axis to the central axis is also the same.
  • the structure of the second swing arm 2 on the left and right sides of the base 5 is the same.
  • the rotation connection structure of the second swing arm 2 and the base 5 is also the same.
  • Figure 11 is a three-dimensional schematic diagram of the first swing arm 1 in Figure 4.
  • first swing arm 1 and the second swing arm 2 can both be swing arms fixedly connected to the main body 200.
  • This type of swing arm fixedly connected to the main body 200 is defined as the main swing arm.
  • first swing arm The arm 1 and the second swing arm 2 can also be swing arms that are not connected to the main body part 200 and can slide relative to the main body part 200 when rotating.
  • the swing arm that is not connected to the main body part 200 is defined as an auxiliary swing arm in this article.
  • one of the first swing arm 1 and the second swing arm 2 can also be a main swing arm and the other one is an auxiliary swing arm.
  • the following article mainly focuses on the first swing arm 1 as the main swing arm and the second swing arm 2 as the auxiliary swing arm, and introduces the technical solution and technical effects in detail.
  • the inner end of the first swing arm 1 can be an arc-shaped ring segment 11, and the arc-shaped ring segment 11 is inserted into an arc-shaped groove (not marked in the figure) provided on the base 5 to cooperate with the rotation.
  • the rotation of the first swing arm 1 relative to the base 5 is achieved by screwing the arc-shaped ring segment 11 into or out of the arc-shaped groove.
  • the base 5 may include an upper support 51 and a lower support 52, and an arc-shaped groove is formed between the upper support 51 and the lower support 52.
  • the inner end of the second swing arm 2 may have a through-hole structure, and the second swing arm 2 is mounted on the corresponding rotation axis of the base 5 through the through-hole.
  • the rotational connection structure between the first swing arm 1 and the second swing arm 2 and the base 5 is not limited to the above description, and can also be other structures, as long as the first swing arm 1 and the second swing arm 2 can rotate around
  • the above-mentioned functions of the rotation of the base 5 are sufficient, and will not be described in detail in this article.
  • the first swing arm 1 can rotate back and forth between 0° and 90° with the horizontal plane.
  • the main body The flexible screen 300 is generally in a horizontal state and the flexible screen 300 can be in a flat state. At this time, the flexible screen 300 is generally in a horizontal state.
  • the angle between the first swing arm 1 and the horizontal plane is 90°, the main body parts on both sides are driven to rotate to the vertical position. state, the flexible screen 300 is in a folded state.
  • the first swing arm 1 can be fixed to the main body part 200 , where fixed refers to relative fixation, plays a supporting role, and drives the main body part to rotate to realize the relative closeness and opening of the two main body parts.
  • the outer end of the second swing arm 2 is a free end, and the outer end of the second swing arm 2 can be inserted into the door panel of the folding screen terminal. When rotating, it slides back and forth relative to the door panel and drives the door panel to rotate.
  • the second swing arm 2 can play the role of damping and synchronous coordination of the rotating shaft mechanism 100 .
  • Figure 12 is a three-dimensional schematic diagram of the second swing arm 2 in Figure 4.
  • the second swing arm 2 is provided with at least two protrusions 22 protruding toward the central axis, and each protrusion 22 is provided with a coaxial through-hole. hole to install the rotating shaft 6, so that the second swing arm 2 reciprocates around the relative rotating shaft 6, two adjacent convex parts 22 are provided with undulating surfaces 221, and the undulating surfaces 221 and the elastic damping component installed between the two convex parts
  • the end mating surface (not marked in the figure) cooperates to play a damping role.
  • the end of the elastic damping component 7 elastically abuts against the undulating surface of the convex portion 22, providing damping during the rotation of the rotating shaft mechanism 100 and improving the user experience.
  • the elastic damping component 7 may be a spring component with telescopic capabilities in the axial direction.
  • the flexible screen 300 is roughly divided into a middle area and fixed areas located on both sides of the middle area.
  • the middle area is roughly opposite to the rotating shaft mechanism 100.
  • the fixed area is fixed to the main body, while the middle area is in a free state, so that it can adapt The flexible screen 300 folds and unfolds on demand.
  • the door panel plays a role in supporting and protecting the middle area of the flexible screen 300 to a certain extent.
  • the flexible screen 300 may include a display module and a transparent cover.
  • the display module can display images, videos, etc.
  • the display module may include structural layers such as a touch screen, a luminescent layer, a backplane layer, and a substrate layer. The specific structure of the display module can be selected according to different products.
  • the display module can use a liquid crystal display (LCD), an organic light-emitting diode (OLED), an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (active-matrix organic light emitting diode, AMOLED), flexible light-emitting diode (flex light-emitting diode, FLED), quantum dot light emitting diode (quantum dot light emitting diode, QLED), etc.
  • the transparent cover covers the outside of the display module to protect the display module.
  • the transparent cover can be a glass cover, or of course, it can also be other transparent materials that can have a protective function.
  • the rotating shaft mechanism 100 in this application also includes a limiting member 4 that is separated from the base 5 . That is to say, the limiting member 4 and the base 5 are relatively separated and are not connected to each other.
  • the rotating shaft mechanism 100 is further provided with a rod 3 that rotates synchronously with the first swing arm 1 .
  • the other end of the rod 3 passes through the second swing arm 2 and is supported on the limiter 4 .
  • the rod body 3 can drive the second swing arm 2 to rotate.
  • the second end of the first swing arm 1 has an installation part that is fixedly or limitedly connected to the main body of the electronic device.
  • the installation part may be a through hole, and the first swing arm 1 is fixedly connected to the main body through screws. part, that is, the threaded part of the screw passes through the through hole on the first swing arm 1 to securely connect the main body part.
  • the mounting part can also be of other structures.
  • the first swing arm 1 is relatively fixedly connected to the main body through bonding, welding, or snapping.
  • the limiting member 4 may also include a mounting structure for fixed connection or limiting connection with the main body, and the mounting structure may also be a through hole 41 for screws to pass through.
  • the installation structure can also be other structures.
  • the limiting member 4 is relatively fixedly connected to the main body through bonding, welding, or snapping.
  • first swing arm 1 and the limiter 4 can be integrally formed with the main body, that is, the main body, the first swing arm 1 and the limiter 4 are integrally formed through a molding process, for example, the three are integrally molded through an injection molding process.
  • the limiter 4 is a block independent of the main body, and the block is fixedly connected or limitedly installed on the main body.
  • the first swing arm 1 and the stopper 4 are both fixed to the main body, and the second swing arm 2 can be supported on the first swing arm 1 by the rod 3 passing through its interior. and the stopper 4.
  • the fixed area between the rotating shaft mechanism 100 and the main body is relatively large, and the support stability is relatively high, which meets the rotational stability requirements of the rotating shaft mechanism 100.
  • the stopper 4 is set separately from the base 5, There is no direct connection structure between the two, which simplifies the rotating shaft mechanism 100
  • the rotating shaft mechanism 100 has a compact structure and occupies a relatively small space, meeting the requirements for thin and light design of electronic equipment.
  • the above shows an example in which the rod body 3 is fixed to the first swing arm 1 and is movably connected to the second swing arm 2.
  • the rod body 3 can also be fixed to the second rod body 2 and connected with the first swing arm 1 and the limiter.
  • the member 4 is movably connected, that is, an elongated chute is provided on the first swing arm 1 and the limiting member 4. When rotating, the rod 3 can slide in the elongated chute between the first swing arm 1 and the limiting member 4.
  • Figure 4 is a partial enlarged view of the structure at point A in Figure 3;
  • Figure 5 is a schematic structural view of the rotating shaft mechanism in Figure 4;
  • Figure 6 is a front view of Figure 5.
  • first swing arm 1, the second swing arm 2 and the limiter 4 are arranged in sequence along the rotation axis.
  • the first swing arm 1 is located between the second swing arm 2 and the limiter.
  • the positioning member 4 can also be located between the first swing arm 1 and the second swing arm 2 .
  • the second swing arm 2 is provided with a long chute 21.
  • the end of the rod 3 passes through the long chute 21 and is connected to the support limiter 4.
  • Figure 12 shows a specific structure of a chute.
  • the second swing arm 2 includes a tubular body 23.
  • a gap 24 is provided in the middle of the peripheral wall of the tubular body 23.
  • the tubular body 23 is located on both sides of the gap 24.
  • a chute 21 is formed on the side.
  • the specific form of the elongated chute 21 is not limited to the description herein.
  • Figure 7 is a three-dimensional schematic diagram of the limiting member in this application;
  • Figure 8 is a side view of the limiting member shown in Figure 7;
  • Figure 9 is a bottom view of the limiting member shown in Figure 7;
  • Figure 10 This is a side view of the limiting member shown in Figure 7 from another direction.
  • the limiter 4 can be further provided with positioning posts or/and positioning grooves, that is, the limiter 4 is provided with a positioning post and a positioning groove.
  • the positioning post and/or the positioning groove are provided on the surface of the limiter 4 and the main body of the electronic device for installation, for positioning and installation with the main body. . That is, only the positioning posts, only the positioning grooves, or both the positioning posts and the positioning grooves can be processed on the limiter 4.
  • the number of the positioning posts and the positioning grooves can be one, two, or more.
  • the figure shows a specific implementation in which the limiting member 4 is provided with two positioning posts 44 .
  • the end surface of the limiter 4 away from the second swing arm 2 is provided with an arc-shaped opening 42
  • the door panel is provided with an arc-shaped plate inserted into the arc-shaped opening 42 and the like (Fig. (not shown)
  • the arc-shaped plate of the door panel can slide inside the arc-shaped opening 42, so that the stopper 4 can simultaneously drive the door panel to rotate relative to each other, which can further improve the stability of the door panel rotation.
  • the arc-shaped opening 42 on the limiter 4 is equivalent to the first limiter, and the arc-shaped plate is equivalent to the second limiter.
  • the limiter 4 When the main body rotates, the door panel can be driven to rotate synchronously and coordinately.
  • the structure of the first limiting member 4 is not limited to the above-mentioned arc-shaped opening 42 structure, and can also be other structures, as long as the above functions can be achieved.
  • the surface of the stopper 4 facing the main body is also provided with a recess 45 to avoid corresponding structures of the main body.
  • the specific shape of the recessed portion 45 depends on the specific product.
  • the end surface of the limiter 4 facing the second swing arm 2 is provided with a first mounting hole 43.
  • the axial direction of the first mounting hole 43 is parallel to the length direction of the rod body 3.
  • the rod body 3 is at least partially inserted and capable of supporting it. in the first mounting hole 43.
  • the first mounting hole 43 and the rod body 3 may have an interference fit or a clearance fit.
  • the shape of the first mounting hole 43 is related to the shape of the rod body 3.
  • the first mounting hole 43 may be a hole with a circular cross-section.
  • the first mounting hole 43 can be set as a through hole, so that the processing of the first mounting hole There is no need to consider the length of the rod body 3, and the installation of rod bodies 3 of different lengths can be satisfied.
  • the first mounting hole can also be a blind hole.
  • the end of the rod body 3 away from the first swing arm 1 passes through the second swing arm 2 and is directly inserted and supported inside the first installation hole.
  • the structure is simple and easy to assemble.
  • the end face of the first swing arm 1 facing the second swing arm 2 is provided with a second mounting hole.
  • the rod body 3 is fixedly installed in the second mounting hole.
  • the rod body 3 and the first swing arm 1 are of split structure. After molding, they are assembled into a whole body, which not only reduces the processing technology of the first swing arm 1 and the rod body 3, but also the rod body 3 and the first swing arm 1 are separate structures, and they can be replaced separately, reducing the maintenance cost of electronic equipment.
  • each side of the base 5 includes at least a first swing arm 1 and a second swing arm 2.
  • the first swing arm 1, the second swing arm 2, the rod body 3 and the limiting member 4 are formed
  • the component is defined as a swing arm unit, and the number of each of the first swing arm 1, the second swing arm 2, the rod body 3 and the limiting member 4 in a swing arm unit is at least one.
  • the rotating shaft mechanism 100 includes at least two swing arm units, and the two swing arm units are arranged symmetrically about the central axis of the base 5 .
  • the rotating shaft mechanism 100 may also be provided with one, two or more swing arm units along the direction of the rotation axis.
  • the figure shows a specific implementation in which two swing arm units are provided along the axial direction.
  • the first swing arm 1, the second swing arm 2 and the limiting member 4 can be arranged in the following manner.
  • the side of the second swing arm 2 away from the first swing arm 1 has a first notch 25, and the limiting member 4 is at least partially located in the first notch 25, that is, That is, the projections of the limiting member 4 and the second swing arm 2 in the axial plane partially overlap.
  • the so-called axial plane refers to a plane perpendicular to the flexible screen 300 in the unfolded state and parallel to the direction of the rotation axis.
  • Figures 5 and 6 show a specific implementation in which the limiting member 4 is basically completely located in the first notch 25.
  • the limiting member 4 can also be partially located inside the first notch 25, so that the second swing arm 2 and the limiting member 4 can be partially located inside the first notch 25.
  • the structure between the parts 4 is compact and the space occupied in the axial direction is relatively small.
  • the second swing arm 2 also has a second notch 26 on the side close to the first swing arm 1.
  • the first swing arm 1 has an extension part 12 extending into the second notch 26, and the rod body 3 is fixed to the extension part 12. In this way, the projections of the first swing arm 1 and the second swing arm 2 in the axial plane partially overlap.
  • the first swing arm 1 and the second swing arm 2 are compact in structure and occupy relatively little axial space while meeting the installation requirements.
  • the electronic device in this application includes the rotating shaft mechanism 100 of the above embodiment, and therefore also has the above technical effects of the rotating shaft mechanism 100.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种转轴机构（100），该转轴机构（100）包括基座（5）、第一摆臂（1）、第二摆臂（2）、与基座（5）分离设置的限位件（4），以及杆体（3），杆体（3）沿转动轴方向同时连接第一摆臂（1）、第二摆臂（2）和限位件（4）；转轴机构（100）应用于折叠屏终端时，第一摆臂（1）和限位件（4）可以均固定于中框（200），第二摆臂（2）通过穿过其内部的杆体（3）可以支撑于第一摆臂（1）和限位件（4），转轴机构（100）与中框（200）的固定面积比较大，支撑稳定性比较高，满足转轴机构（100）的转动稳定性的使用需求，提高转轴的可靠性，再者，限位件（4）与基座（5）分离设置，二者之间没有直接连接结构，简化了转轴机构（100）的结构，转轴机构（100）结构紧凑且占据空间比较小，满足电子设备轻薄化设计需求。还提供一种电子设备。

Description

一种转轴机构和电子设备
本申请实施例要求于2022年07月01日提交中国国家知识产权局、申请号为202221680552.8,发明名称为“一种转轴机构和电子设备”申请的优先权，其全部内容通过引用结合在本申请实施例中。
技术领域
本申请实施例涉及电子产品领域，特别涉及一种转轴机构和电子设备。
背景技术
电子设备例如折叠屏终端，其两组中框通过转轴机构转动连接以实现折叠转动。随着折叠屏终端轻薄化设计需求的发展，对于转轴机构的设计也提出了越来越高的要求。如何在转轴机构转动稳定性的基础上，兼顾结构紧凑、占用空间小是本领域内技术人员所面临的技术问题。
发明内容
本申请实施例提供一种转动稳定性高且占用空间小的转轴机构及电子设备。
在一种具体实施方式中，一种转轴机构，包括基座、第一摆臂和第二摆臂，第一摆臂和第二摆臂的第一端均转动连接于基座的同一侧，第一摆臂和第二摆臂的转动轴平行，转轴机构还包括与基座分离设置的限位件，限位件与电子设备的主体部一体或者固定连接或者限位连接，转轴机构还包括杆体，杆体沿平行于转动轴方向延伸并同时支撑连接第一摆臂、第二摆臂和限位件。第一摆臂和第二摆臂可以其中一者为与主体部固定连接的主摆臂，另一者为转动时能与主体部相对滑移的辅助摆臂，这样形成的转轴机构可以具有较高的转动灵活性和支撑强度。当然，第一摆臂和第二摆臂也可以均为辅助摆臂，或者同为主摆臂，根据电子设备合理设置。
本申请的转轴机构具体应用于电子设备时，限位件可以固定于电子设备的主体部，增大转轴机构与主体部的固定面积，支撑稳定性比较高，满足转轴机构的转动稳定性的使用需求，提高转轴的可靠性，再者，限位件与基座分离设置，二者之间没有直接连接结构，简化了转轴机构的结构，转轴机构结构紧凑且占据空间比较小，满足电子设备轻薄化设计需求。
在一种示例中，第一摆臂固定连接主体部，第二摆臂在转动时能够相对主体部滑移；该示例中第一摆臂和限位件同时固定连接主体部，支撑面积比较大，另外第二摆臂与主体部不连接，在转动时二者能够相对活动，第二摆臂可以插入电子设备的门板，带动门板转动，转轴机构转动灵活性相对较高。
在一种示例中，杆体限位连接于第一摆臂和限位件以随第一摆臂和所述限位件同步转动，第二摆臂设置有配合杆体滑移的长条形滑槽，杆体可以通过过盈配合方式固定于第一摆臂或/和限位件，当然，也可以通过卡接或者其他方式与第一摆臂和限位件限位，实现三者形成一体以同步转动。该转轴机构除第二摆臂上的长条形滑槽之外，第一摆臂和限位件的结构都相对比较简单，加工成本相对比较低。
在一种示例中，第一摆臂、所述第二摆臂和限位件沿转动轴方向依次布置，杆体一端 固定连接第一摆臂，另一端穿过第二摆臂的长条形滑槽支撑限位于限位件。该示例中与主体部能够自由滑移的第二摆臂的两侧布置有与主体部相对固定的第一摆臂和限位件，第一摆臂和限位件可以对杆体的两端起到稳定支撑的作用，进而提高转轴机构整体转动稳定性。
在一种示例中，杆体限位连接于第二摆臂以随二摆臂同步转动，第一摆臂和限位件均设置有配合杆体滑移的长条形滑槽。该示例中杆体与辅助摆臂限位固定同步转动，二者限位方式可以参照上文关于杆体和第一摆臂的限位方式，限位方式可以为轴孔配合或者卡接等方式。
在一种示例中，限位件包括块体，块体设有与主体部固定连接或者限位连接的安装结构。限位件与主体部为独立的两个部件，限位件通过安装结构与主体部相对固定安装，这样可以降低主体部的加工工艺，并且组装灵活性高。安装结构可以包括通孔，用于固定螺钉穿过。使用螺钉简单可靠，占据空间小。
在一种示例中，限位件还包括定位柱和定位槽至少其中一者，设置于限位件与电子设备的主体部配合安装的表面，用于与主体部定位安装。该示例中定位柱和定位槽结构能够实现限位件在主体部上的快速定位，提高组装效率。
在一种示例中，限位件还包括第一限位部，用于与电子设备门板上设置的第二限位部在转动过程中滑动配合以带动主体部转动。该示例中限位件通过第一限位部与门板滑动配合，有利于提高门板转动稳定性，提高转轴机构整体性能。
在一种示例中，限位件远离杆体一侧的端面设置有弧形开口，第一限位部包括弧形开口。在端面设置弧形开口结构简单。
在一种示例中，限位件朝向杆体一侧的端面设置有第一安装孔，第一安装孔的轴向平行于杆体长度方向，杆体至少部分插入并支撑于第一安装孔。第一安装孔可以为通孔。这样能够满足不同长度杆体的组装，提高组装的灵活性。
在一种示例中，第一摆臂朝向杆体一侧的端面设置有第二安装孔，杆体固定安装于第二安装孔。该安装方式简单易行。
在一种示例中，第一摆臂、第二摆臂、杆体和限位件形成一个摆臂单元，转轴机构包括至少两个摆臂单元，两摆臂单元关于基座的中心轴线对称设置。多个摆臂单元有利于提高转轴机构整体转动稳定性，并且支撑强度也比较高。
在一种示例中，第一摆臂、第二摆臂和限位件沿转动轴方向依次布置，第二摆臂远离第一摆臂的一侧具有第一缺口，限位件至少部分位于第一缺口；
或者/和，第二摆臂靠近第一摆臂的一侧具有第二缺口，第一摆臂具有伸入第二缺口的延伸部，杆体固定于延伸部。这样第一摆臂、第二摆臂和限位件之间结构紧凑，在轴向占用空间比较小。
第二方面，本发明还提供了一种电子设备，包括柔性屏和上述任一项的转轴机构，还包括位于转轴机构两侧的主体部，柔性屏支撑于两侧的主体部；第一摆臂和限位件均与主体部固定或一体或限位连接，所述第一摆臂转动时带动所述主体部转动。
本申请的电子设备包括上述转轴机构，故也具有转轴机构的上述技术效果。
附图说明
图1为本申请一种实施例所提供转轴机构应用于电子设备中的示意图；
图2为图1所示电子设备的分解示意图；
图3为图2中转轴机构和主体部组装后的局部示意图；
图4为图3中A处结构局部放大图；
图5为图4中转轴机构的结构示意图；
图6为图5的正视图；
图7为本申请中限位件的三维示意图；
图8为图7所示限位件的侧视图；
图9为图7所示限位件的仰视图；
图10为图7所示限位件的另一方向侧视图；
图11为图4中第一摆臂的三维示意图；
图12为图4中第二摆臂的三维示意图。
具体实施方式
当前，折叠屏终端的转轴机构通常是通过设置数量比较多的摆臂与中框固定以增加转轴机构与中框的支撑面积，从而提高转轴机构的转动稳定性，但是摆臂数量比较多，相应地转轴机构占据空间比较大，制约了折叠屏终端向轻薄化方向发展。
在上述发现的基础上，本申请进一步探索，提出了一种能够兼顾转动稳定性及占据空间小两方面因素的转轴机构。
在本申请的描述中，需要说明的是，术语“左”、“右”、“内”、“外”等指示的方位或者位置关系为基于附图所示的方位或位置关系，仅是为了便于描述技术的简洁，而并不是指示或者暗示所指的装置或元件必须具有特定的方位、特定的方位构造和操作，因此不能理解对本发明的限制。
以下，术语“第一”、“第二”等仅用于描述目的，而不能理解指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定“第一”、“第二”等的特征可以明示或者隐含地包括一个或者更多个该特征。
为了使本领域的技术人员更好地理解本发明的技术方案，下面结合附图和具体实施例对本发明作进一步的详细说明。
本申请实施例提供的转轴机构可以应用于电子设备，当然本申请的转轴机构还可以应用于推拉门、折叠机转轴、配件转轴场景等。其中电子设备可以是手机、平板电脑、平板电脑配件、可穿戴设备、车载设备、增强现实(augmented reality，AR)/虚拟现实(virtual reality，VR)设备、笔记本电脑、超级移动个人计算机(ultra-mobile personal computer，UMPC)、上网本、个人数字助理(personal digital assistant，PDA)等移动终端，或者，也可以是数码相机、单反相机/微单相机、运动摄像机、云台相机、无人机等专业的拍摄设备，本申请实施例对电子设备的具体类型不作限制，为了方便理解，以下以电子设备为折叠屏终端为例进行说明。
请参考图1和图2，图1为本申请一种实施例所提供转轴机构应用于电子设备中的示意图；图2为图1所示电子设备的分解示意图，图2中标识出了中轴线X。
本申请实施例提供的电子设备包括柔性屏300、主体部200以及转轴机构100，主体部200的数量为两个，两个主体部200通过转轴机构100连接，利用转轴机构100使得两个 主体部200能够相对折叠及展开。对于手机而言，主体部200可以为中框。主体部200根据电子设备而定，本文不做具体介绍。附图主要电子设备为手机，主体部200为中框介绍技术方案和技术效果。
柔性屏300的至少部分能够支撑在主体部之上并且与主体部连接，在两个主体部相对折叠及展开过程中，柔性屏300同时被处于折叠状态及展开状态。其中，左右两个主体部的结构可以相同，也可以不完全相同，两个主体部的具体结构可以根据具体产品稳定，本文不做具体限定。
请参考图3，本申请中转轴机构100包括基座5、第一摆臂1和第二摆臂2，基座5的每一侧都设置有至少一个第一摆臂1和至少一个第二摆臂2，并且基座5两侧的第一摆臂1、第二摆臂2均相对基座5的中轴线X左右对称设置。第一摆臂1和第二摆臂2的内端均转动连接基座5，需要说明的是，本文将靠近中轴线X的方向定义为内，相应地，远离中轴线的方向定义为外。本文将第一摆臂1的内端部又称为第一端，外端部又称为第二端。第一摆臂1和第二摆臂2的转动轴平行，二者的转动轴可以共线，也可以不共线。
上文所述位于基座5左右两侧的两个第一摆臂1、两个第二摆臂2均相对基座5的中轴线左右对称设置可知，基座5左右两侧的第一摆臂1结构相同，第一摆臂1与基座5的转动连接结构也是相同的，转动轴到中轴线的距离也是相同的，同理，基座5左右两侧的第二摆臂2结构相同，第二摆臂2与基座5的转动连接结构也是相同的。
请结合图11理解，图11为图4中第一摆臂1的三维示意图。
本申请中第一摆臂1、第二摆臂2可以均为与主体部200固定连接的摆臂，本文将与主体部200固定连接的该类摆臂定义为主摆臂，当然第一摆臂1和第二摆臂2也可以为与主体部200非连接，在转动时能够相对主体部200滑移的摆臂，本文将与主体部200非连接的摆臂定义为辅助摆臂。当然，第一摆臂1和第二摆臂2还可以一者为主摆臂，另一者为辅助摆臂。后文主要围绕第一摆臂1为主摆臂，第二摆臂2为辅助摆臂，详细介绍技术方案和技术效果。
在一种示例中，第一摆臂1的内端部可以为弧形环段11，弧形环段11插入基座5上设置的弧形槽(图中未标识出)内部以配合转动，通过弧形环段11旋入或旋出弧形槽以实现第一摆臂1相对基座5的转动。为了方便第一摆臂1安装，基座5可以包括上支座51和下支座52，弧形槽形成于上支座51和下支座52之间。第二摆臂2的内端部可以为通孔结构，第二摆臂2通过通孔套装于基座5的相应转动轴上。当然，第一摆臂1和第二摆臂2二者与基座5的转动连接结构不限于上述描述，还可以为其他结构，只要能够实现第一摆臂1和第二摆臂2能够围绕基座5转动的上述功能即可，本文不做一一赘述。
通常，第一摆臂1可以在与水平面夹角为0°至90°之间往复转动，当第一摆臂1与水平面夹角为0°时，在第一摆臂1的带动下，主体部大致处于水平状态以及柔性屏300可以处于展平态，此时柔性屏300整体大致呈水平状态，当第一摆臂1与水平面夹角为90°时，带动两侧主体部转动至竖直状态，柔性屏300处于折叠状态。
在一种具体示例中，第一摆臂1能够与主体部200固定，此处的固定指的是相对固定，起到支撑作用，并带动主体部转动实现两主体部的相对靠拢和打开。而第二摆臂2的外端部为自由端部，第二摆臂2的外端部可以插入折叠屏终端的门板内部，第二摆臂2可以在 转动时相对门板往复滑动并带动门板转动，第二摆臂2可以起到阻尼和转轴机构100的同步协调功能。请参考图12，图12为图4中第二摆臂2的三维示意图，例如第二摆臂2设置有至少两个朝向中轴线凸起的凸部22，各凸部22设置有同轴通孔以安装转动轴体6，这样第二摆臂2围绕相对转动轴体6往复转动，相邻两凸部22设置有起伏面221，起伏面221与安装于两凸部之间的弹性阻尼部件的端部配合面(图中未标识)配合起到阻尼的作用，弹性阻尼部件7的端部与凸部22的起伏面弹性抵靠，提供转轴机构100转动过程中的阻尼，提高用户体验感。弹性阻尼部件7可以为沿轴向具有伸缩能力的弹簧组件。
根据连接关系的不同，柔性屏300大致分为中间区域以及位于中间区域两侧的固定区域，中间区域大致与转轴机构100相对，固定区域与主体部固定，而中间区域处于自由状态，这样能够适应柔性屏300折叠和展开的需求。门板在一定程度上起到支撑并保护柔性屏300中间区域的作用。
柔性屏300可以包括显示模组和透明盖板，显示模组能够显示图像以及视频等，显示模组可以包括触控屏、发光层、背板层和基板层等结构层。显示模组的具体结构可以根据产品不同而选定。显示模组可以采用液晶显示屏(liquid crystal display，LCD)，有机发光二极管(organic light-emitting diode，OLED)，有源矩阵有机发光二极体或主动矩阵有机发光二极体(active-matrix organic light emitting diode的，AMOLED)，柔性发光二极管(flex light-emitting diode，FLED)，量子点发光二极管(quantum dot light emitting diodes，QLED)等。透明盖板覆盖于显示模组的外侧，起到保护显示模组的作用。透明盖板可以为玻璃盖板，当然也可以为其他能够起到保护功能的透明材料。
本申请中的转轴机构100还包括与基座5分离设置的限位件4，也就是说，限位件4与基座5二者相对分离，二者之间不连接。转轴机构100还进一步设置有随第一摆臂1同步转动的杆体3，杆体3的另一端部穿过第二摆臂2上支撑于限位件4。当第一摆臂1转动时，杆体3能够带动第二摆臂2转动。
在一种示例中，第一摆臂1的第二端部具有与电子设备的主体部固定连接或者限位连接的安装部，安装部可以为通孔，第一摆臂1通过螺钉固定连接主体部，即螺钉的螺纹部穿过第一摆臂1上的通孔固定连接主体部。当然，安装部还可以为其他结构，例如第一摆臂1通过粘接或者焊接等方式或者卡接等方式与主体部相对固定连接。
同理，限位件4也可以包括安装结构，用于与主体部固定连接或限位连接，安装结构也可以为供螺钉穿过的通孔41。当然，安装结构还可以为其他结构，例如限位件4通过粘接或者焊接等方式或者卡接等方式与主体部相对固定连接。
再者第一摆臂1和限位件4可以与主体部一体结构，即在主体部、第一摆臂1和限位件4通过成型工艺一体加工成型，例如三者通过注塑工艺一体成型。
该申请中以限位件4为独立于主体部的块体，块体固定连接或者限位安装于主体部为例继续介绍技术方案和技术效果。
本申请的转轴机构100应用于折叠屏终端时，第一摆臂1和限位件4均固定于主体部，第二摆臂2通过穿过其内部的杆体3可以支撑于第一摆臂1和限位件4，转轴机构100与主体部的固定面积比较大，支撑稳定性比较高，满足转轴机构100的转动稳定性的使用需求，再者，限位件4与基座5分离设置，二者之间没有直接连接结构，简化了转轴机构100 的结构，转轴机构100结构紧凑且占据空间比较小，满足电子设备轻薄化设计需求。
上文示出了杆体3固定于第一摆臂1、杆体3与第二摆臂2活动连接的示例，当然，杆体3也可以固定于第二杆体2，与第一摆臂1和限位件4活动连接，即在第一摆臂1和限位件4上设置长条形滑槽，转动时杆体3可以在第一摆臂1和限位件4的长条形滑槽内滑动。
请参考图4至图6，图4为图3中A处结构局部放大图；图5为图4中转轴机构的结构示意图；图6为图5的正视图。
本申请中第一摆臂1、第二摆臂2和限位件4沿转动轴依次布置，当然三者的布置方式不局限于本文描述，第一摆臂1位于第二摆臂2和限位件4之间、限位件4位于第一摆臂1和第二摆臂2之间均亦可。第二摆臂2设置有长条形滑槽21，杆体3的端部穿过长条形滑槽21连接支撑限位件4，长条形滑槽21可以为一个也可以为两个或两个以上，请参考图12,图12中给出了一种滑槽的具体结构，第二摆臂2包括管状体23，管状体23的周壁中部设置有豁口24，管状体23在豁口24两侧形成有滑槽21。长条形滑槽21的具体形式不局限于本文描述。
请参考7至图10，图7为本申请中限位件的三维示意图；图8为图7所示限位件的侧视图；图9为图7所示限位件的仰视图；图10为图7所示限位件的另一方向侧视图。
对于限位件4与主体部二者为相对独立的两部件而言，为了提高组装效率，限位件4可以进一步设置定位柱或者/和定位槽，即限位件4设置有定位柱和定位槽至少其中一者，每一者的数量可以为一个或者两个以上，定位柱和/或定位槽设置于限位件4与电子设备的主体部配合安装的表面，用于与主体部定位安装。即限位件4上可以仅加工定位柱，也可以仅加工定位槽，也可以同时加工定位柱和定位槽，定位柱和定位槽的数量可以为一个或者两个或者两个以上。图中示出了限位件4设置有两个定位柱44的具体实施方式。
请参考图7和图10，在一种示例中，限位件4远离第二摆臂2的端面设置有弧形开口42，门板上设置有插入弧形开口42等内部的弧形板(图中未示出)，当主体部转动时，门板的弧形板能够在弧形开口42内部滑动，这样限位件4同时能够起到带动门板相对转动的作用，可以进一步提高门板转动的稳定性。
即限位件4上的弧形开口42相当于第一限位部，弧形板相当于第二限位部，通过第一限位部和第二限位部的配合作用，限位件4在随主体部转动过程中能够带动门板同步协调转动。第一限位件4的结构不局限于上述弧形开口42结构，还可以为其他结构，只要能够实现上述功能即可。
在一种示例中，为了适应主体部形状，限位件4朝向主体部的表面还设置有凹陷部45，以避让主体部相应结构。凹陷部45的具体形状根据具体产品而定。
在一种具体示例中，限位件4朝向第二摆臂2的端面设置有第一安装孔43，第一安装孔43的轴向平行于杆体3长度方向，杆体3至少部分插入并能够支撑于第一安装孔43。第一安装孔43与杆体3可以过盈配合或者间隙配合。
第一安装孔43的形状与杆体3的形状相关，当杆体3端部为圆柱轴段时，第一安装孔43可以为横截面为圆形的孔。第一安装孔43可以设置为通孔，这样第一安装孔加工过程 中无需考虑杆体3的长度，能满足不同长度杆体3的安装。当然，第一安装孔也可以为盲孔。
该实施例中，杆体3远离第一摆臂1的端部穿过第二摆臂2后直接插入支撑于第一安装孔内部，结构简单，方便组装。
本申请中第一摆臂1朝向第二摆臂2的端面设置有第二安装孔，杆体3固定安装于第二安装孔，杆体3和第一摆臂1为分体式结构，二者在分别成型后通过装配形成整体，不仅降低第一摆臂1和杆体3的加工工艺，而且杆体3和第一摆臂1为分体结构，二者可以单独更换，降低电子设备的维护成本。
如上所述，基座5的每一侧至少包括一个第一摆臂1和一个第二摆臂2，本申请将第一摆臂1、第二摆臂2、杆体3和限位件4形成的组件定义为一个摆臂单元，一个摆臂单元中第一摆臂1、第二摆臂2、杆体3和限位件4每一者的数量至少为一个。转轴机构100包括至少两个摆臂单元，两摆臂单元关于基座5的中心轴线对称设置。
转轴机构100还可以沿转动轴方向设置一个或者两个或者更多个摆臂单元，图中示出了沿轴向设置两个摆臂单元的具体实施方式。
为了使转轴机构100结构尽量紧凑，第一摆臂1、第二摆臂2和限位件4的布置方式可以采取以下方式。
结合图12和图5、图6理解，该实施例中，第二摆臂2远离第一摆臂1的一侧具有第一缺口25，限位件4至少部分位于第一缺口25，也就是说，限位件4和第二摆臂2在轴向平面内的投影部分重叠。所谓轴向平面是指垂直于处于展开态的柔性屏300且平行于转动轴方向的平面。图5和图6中示出了，限位件4基本全部位于第一缺口25的具体实施方式，当然限位件4也可以部分位于第一缺口25内部，这样第二摆臂2和限位件4之间结构紧凑，在轴向占用空间比较小。
该申请中，第二摆臂2靠近第一摆臂1的一侧还具有第二缺口26，第一摆臂1具有伸入第二缺口26的延伸部12，杆体3固定于延伸部12。这样第一摆臂1与第二摆臂2在轴向平面内的投影部分重叠。该示例中第一摆臂1和第二摆臂2结构紧凑，在满足安装需求的前提下，占用轴向空间比较小。
该申请中的电子设备包括上述实施例的转轴机构100，故也具有转轴机构100的上述技术效果。
本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以对本申请进行若干改进和修饰，这些改进和修饰也落入本申请权利要求的保护范围内。

Claims (27)

  1. 一种转轴机构，其特征在于，包括基座、第一摆臂和第二摆臂，所述第一摆臂和所述第二摆臂的第一端均转动连接于所述基座的同一侧，所述第一摆臂和所述第二摆臂的转动轴平行，所述转轴机构还包括与所述基座分离设置的限位件，所述限位件与电子设备的主体部一体或固定连接或者限位连接，所述转轴机构还包括杆体，所述杆体沿平行于所述转动轴方向延伸并同时支撑连接所述第一摆臂、所述第二摆臂和所述限位件。
  2. 如权利要求1所述的转轴机构，其特征在于，所述第一摆臂固定连接所述主体部，所述第二摆臂在转动时能够相对所述主体部滑移。
  3. 如权利要求2所述的转轴机构，其特征在于，所述杆体限位连接于所述第一摆臂和所述限位件以随所述第一摆臂和所述限位件同步转动，所述第二摆臂设置有配合所述杆体滑移的长条形滑槽。
  4. 如权利要求3所述的转轴机构，其特征在于，所述第一摆臂、所述第二摆臂和所述限位件沿转动轴方向依次布置，所述杆体一端固定连接所述第一摆臂，另一端穿过所述第二摆臂的长条形滑槽支撑限位于所述限位件。
  5. 如权利要求2所述的转轴机构，其特征在于，所述杆体限位连接于所述第二摆臂以随所述第二摆臂同步转动，所述第一摆臂和所述限位件均设置有配合所述杆体滑移的长条形滑槽。
  6. 如权利要求1至5任一项所述的转轴机构，其特征在于，所述限位件包括块体，所述块体通过安装结构与所述主体部固定连接或者限位连接。
  7. 如权利要求6所述的转轴机构，其特征在于，所述限位件还包括定位柱和定位槽至少其中一者，设置于所述限位件与所述电子设备的主体部配合安装的表面，用于与主体部定位安装。
  8. 如权利要求1至5任一项所述的转轴机构，其特征在于，所述限位件还包括第一限位部，用于与电子设备的主体部上设置的第二限位部在转动过程中滑动配合以带动所述主体部转动。
  9. 如权利要求8所述的转轴机构，其特征在于，所述限位件远离所述杆体一侧的端面设置有弧形开口，所述第一限位部包括所述弧形开口。
  10. 如权利要求6所述的转轴机构，其特征在于，所述限位件还包括第一限位部，用于与电子设备的主体部上设置的第二限位部在转动过程中滑动配合以带动所述主体部转动。
  11. 如权利要求10所述的转轴机构，其特征在于，所述限位件远离所述杆体一侧的端面设置有弧形开口，所述第一限位部包括所述弧形开口。
  12. 如权利要求1至5任一项所述的转轴机构，其特征在于，所述限位件朝向所述杆体一侧的端面设置有第一安装孔，所述第一安装孔的轴向平行于所述杆体长度方向，所述杆体至少部分插入并支撑于所述第一安装孔。
  13. 如权利要求6所述的转轴机构，其特征在于，所述限位件朝向所述杆体一侧的端面设置有第一安装孔，所述第一安装孔的轴向平行于所述杆体长度方向，所述杆体至少部分插入并支撑于所述第一安装孔。
  14. 如权利要求7所述的转轴机构，其特征在于，所述限位件朝向所述杆体一侧的端面 设置有第一安装孔，所述第一安装孔的轴向平行于所述杆体长度方向，所述杆体至少部分插入并支撑于所述第一安装孔。
  15. 如权利要求8所述的转轴机构，其特征在于，所述限位件朝向所述杆体一侧的端面设置有第一安装孔，所述第一安装孔的轴向平行于所述杆体长度方向，所述杆体至少部分插入并支撑于所述第一安装孔。
  16. 如权利要求10所述的转轴机构，其特征在于，所述限位件朝向所述杆体一侧的端面设置有第一安装孔，所述第一安装孔的轴向平行于所述杆体长度方向，所述杆体至少部分插入并支撑于所述第一安装孔。
  17. 如权利要求12所述的转轴机构，其特征在于，所述第一安装孔为通孔。
  18. 如权利要求1至5任一项所述的转轴机构，其特征在于，所述第一摆臂朝向所述杆体一侧的端面设置有第二安装孔，所述杆体固定安装于所述第二安装孔。
  19. 如权利要求6所述的转轴机构，其特征在于，所述第一摆臂朝向所述杆体一侧的端面设置有第二安装孔，所述杆体固定安装于所述第二安装孔。
  20. 如权利要求8所述的转轴机构，其特征在于，所述第一摆臂朝向所述杆体一侧的端面设置有第二安装孔，所述杆体固定安装于所述第二安装孔。
  21. 如权利要求10所述的转轴机构，其特征在于，所述第一摆臂朝向所述杆体一侧的端面设置有第二安装孔，所述杆体固定安装于所述第二安装孔。
  22. 如权利要求1至5任一项所述的转轴机构，其特征在于，所述第一摆臂、所述第二摆臂、所述杆体和所述限位件形成一个摆臂单元，所述转轴机构包括至少两个所述摆臂单元，两所述摆臂单元关于所述基座的中心轴线对称设置。
  23. 如权利要求1至5任一项所述的转轴机构，其特征在于，所述第一摆臂、所述第二摆臂和所述限位件沿转动轴方向依次布置，所述第二摆臂远离所述第一摆臂的一侧具有第一缺口，所述限位件至少部分位于所述第一缺口；
    或者/和，所述第二摆臂靠近所述第一摆臂的一侧具有第二缺口，所述第一摆臂具有伸入所述第二缺口的延伸部，所述杆体固定于所述延伸部。
  24. 如权利要求6所述的转轴机构，其特征在于，所述第一摆臂、所述第二摆臂和所述限位件沿转动轴方向依次布置，所述第二摆臂远离所述第一摆臂的一侧具有第一缺口，所述限位件至少部分位于所述第一缺口；
    或者/和，所述第二摆臂靠近所述第一摆臂的一侧具有第二缺口，所述第一摆臂具有伸入所述第二缺口的延伸部，所述杆体固定于所述延伸部。
  25. 如权利要求12所述的转轴机构，其特征在于，所述第一摆臂、所述第二摆臂和所述限位件沿转动轴方向依次布置，所述第二摆臂远离所述第一摆臂的一侧具有第一缺口，所述限位件至少部分位于所述第一缺口；
    或者/和，所述第二摆臂靠近所述第一摆臂的一侧具有第二缺口，所述第一摆臂具有伸入所述第二缺口的延伸部，所述杆体固定于所述延伸部。
  26. 如权利要求18所述的转轴机构，其特征在于，所述第一摆臂、所述第二摆臂和所述限位件沿转动轴方向依次布置，所述第二摆臂远离所述第一摆臂的一侧具有第一缺口，所述限位件至少部分位于所述第一缺口；
    或者/和，所述第二摆臂靠近所述第一摆臂的一侧具有第二缺口，所述第一摆臂具有伸入所述第二缺口的延伸部，所述杆体固定于所述延伸部。
  27. 一种电子设备，其特征在于，包括柔性屏和权利要求1-26任一项所述的转轴机构，还包括位于所述转轴机构两侧的主体部，所述柔性屏支撑于两侧的所述主体部；所述第一摆臂和所述限位件均与所述主体部固定或一体或限位连接，所述第一摆臂转动时带动所述主体部转动。
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