WO2024012008A1 - 阻尼机构及终端 - Google Patents

阻尼机构及终端 Download PDF

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Publication number
WO2024012008A1
WO2024012008A1 PCT/CN2023/091145 CN2023091145W WO2024012008A1 WO 2024012008 A1 WO2024012008 A1 WO 2024012008A1 CN 2023091145 W CN2023091145 W CN 2023091145W WO 2024012008 A1 WO2024012008 A1 WO 2024012008A1
Authority
WO
WIPO (PCT)
Prior art keywords
along
slide rail
damping mechanism
pin
rotation center
Prior art date
Application number
PCT/CN2023/091145
Other languages
English (en)
French (fr)
Inventor
高明谦
张垚磊
魏亚蒙
封蕾
李海飞
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
Priority to EP23790541.9A priority Critical patent/EP4336811A1/en
Priority to US18/561,131 priority patent/US20240236217A1/en
Publication of WO2024012008A1 publication Critical patent/WO2024012008A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/022—The hinge comprising two parallel pivoting axes
    • 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
    • F16C11/10—Arrangements for locking
    • 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
    • F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
    • H04M1/0237—Sliding mechanism with one degree of freedom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges
    • 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • 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
    • F16C2380/00—Electrical apparatus

Definitions

  • the present application relates to the field of communication technology, and in particular to a damping mechanism for a folding screen terminal rotating shaft and a terminal.
  • This application provides a damping mechanism and terminal that can adapt to thin and light folding screen mobile phones and provide the required expansion force and closing force.
  • this application provides a damping mechanism, including: an elastic member including a first pin and a second pin; a first fixing member, the first fixing member is connected to the first fixing member along a first direction.
  • the second pin is rotatably connected;
  • the first swing member includes a first fixed part and a first movable part, and the first fixed part is rotatably connected with the first fixed part along the first direction.
  • the first movable part is rotationally connected to the first pin along the first direction; when the first fixed part and the first swing part rotate, the elastic force generated by the elastic part Acting on the rotation center of the rotational connection between the first movable part and the first pin, an expansion force or a closing force is formed.
  • the elastic member in this application may be a torsion spring or a spring.
  • the number of elastic members is not limited in the embodiment of this application.
  • the first fixing part can be an independent structure located between the first shell and the second shell, or the first fixing part can also be an integral structure with the first shell, or the first fixing part can also be It can be an integrated structure with the second shell.
  • the first swinging part may include multiple first swinging parts, and the plurality of first swinging parts may be arranged on the same side of the first fixing part.
  • the plurality of first swinging parts may be arranged on the same side of the first fixing part.
  • the first housing is fixedly connected.
  • the angle between each first swing member and the first fixed member is 90°-180°
  • the folding screen mobile phone can be in a flat state.
  • the torque generated by the torsion spring The force will be decomposed into flattening force and folding force, and the flattening force is greater than the folding force.
  • the angle between each first swinging member and the first fixed member is 90°, the torque force generated by the torsion foot of the torsion spring decomposes the flattening force and the folding force into balance.
  • the torque force generated by the torsion foot of the torsion spring will decompose into a flattening force and a folding force, and the flattening force is smaller than the folding force.
  • the opening and closing between the components further drives the opening and closing between the first housing and the second housing.
  • the torque force damping effect brought by the torsion spring is used. Since the torsion spring itself is small in size and easy to install and disassemble, and the torsion spring does not need to be directly connected to the rotating shaft, the requirements for the structural size of the rotating shaft are smaller.
  • this application does not limit the shape and size of the first fixed part and the first swinging part, as long as they can achieve rotational connection with the torsion spring, that is, position limiting.
  • the rotation center of the first fixing part and the first fixing part is the first rotation center
  • the projection of the first rotation center on the reference plane does not overlap with the projection of the second rotation center on the reference plane
  • the reference plane is a plane perpendicular to the first direction.
  • the rotation center of the first pin and the first movable part is the third rotation center; when the first fixed part and the first swing part are the first preset When the included angle is set, the projection of the third rotation center on the reference plane is located on the extension line connecting the projection of the first rotation center on the reference plane and the projection of the second rotation center on the reference plane. when the third rotation center is upward, there is no flattening force or closing force on the third rotation center; when the first fixed part and the first swing part are at the second preset angle, the third rotation center is not located The extension line connecting the projection of the first rotation center on the reference plane and the projection of the second rotation center on the reference plane.
  • the third rotation center is located where the first rotation center is.
  • the projection of the reference plane and the second rotation center are above or below the extension line connected by the projection of the reference plane to form an expansion force or closing force acting on the third rotation center, for example, auxiliary Fold your phone to unfold or close it.
  • the first preset angle may be 80°, 90°, 100°, 120°, 140°, or 160°, etc.
  • the second preset angle may be 180°, 150°, 60°, 50°, etc.
  • the damping mechanism further includes a limiting slide assembly, and a side surface of the first swing member is provided with a receiving groove for accommodating the limiting slide assembly along the second direction;
  • the first pin is rotationally connected to the limiting slider assembly along the first direction;
  • the limiting slider assembly is slidingly connected to the accommodating groove along the second direction to drive the first The pin moves along the second direction; wherein the second direction is perpendicular to the first direction.
  • the elastic member is in a free state and does not generate elastic force.
  • the elastic member may be a spring, which will neither compress nor stretch when in a free state. It is beneficial to the life of elastic parts (springs or torsion springs, etc.).
  • the limiting slide assembly includes a first slide block with a first slide groove and a limiting member that moves relatively along the second direction in the first slide groove; the limiting member The position piece can pass through the receiving groove and be fixed with the first swinging member; the first chute includes a closed annular surface, and along the second direction, the annular surface includes a first point and is connected to the first swinging member.
  • the second point is located farthest relative to the first point, and the limiting member moves between the first point and the second point; when the space between the first swinging member and the first fixed member When the included angle is the third preset included angle, the limiting member is in contact with the first point; when the included angle between the first swinging member and the first fixing member is determined by the third preset included angle During the process from the preset included angle to the fourth preset included angle, the limiting member moves from the first point to the second point.
  • the included angle between the first swinging member and the first fixed member is the fourth preset included angle
  • the limiting member may be in contact with the second point.
  • the limiting member can move in the first slide groove, that is, move from the first point to the second point, so that the first slide block can slide in the receiving groove, so that the first pin is in a free state, that is, The elastic part is in a free state, which can increase the service life of the elastic part.
  • this application does not limit the third preset angle and the fourth preset angle.
  • the third preset angle can be the same as the first preset angle or the second preset angle.
  • the fourth preset angle can be the same as the first preset angle or the second preset angle, and of course, can also be different.
  • a side of the first slider for contacting the torsion spring is provided with a slot, and the slot is used to define the installation position of the rotation center of the first pin.
  • the slot includes a first inner wall, an inner top surface, and a second inner wall that are smoothly connected, and the inner top surface is used to limit the direction of the first pin in the second direction.
  • the first inner wall and the second inner wall are used to limit the displacement of the first pin in the first direction.
  • the distance between the first inner wall and the second inner wall is adapted to the size of the first pin, so that the first pin will not be displaced in the second direction or the first direction at this position, This ensures the stability of the rotational connection of the first pin relative to the first slider.
  • the limiting slide assembly further includes a locking member, and a locking boss is provided on a side of the first slider for contacting the torsion spring.
  • the locking boss The platform has a locking hole adapted to the locking piece along the second direction.
  • the locking boss is located above the inner top surface. The lower edge surface of the locking boss and the inner top surface Together with the locking piece, the locking member is used to limit the displacement of the first pin in the second direction.
  • the locking boss can be adapted to the slot and used to limit the displacement of the first pin in the second direction and the first direction, thereby ensuring the rotational connection of the first pin relative to the first slider. stability.
  • the first fixing part includes a raised slide rail sub-part protruding downward along the third direction, and the first fixing part is provided with a
  • the chute sub-section is located below the protruding part and is fixedly arranged relative to the protruding slide rail sub-section along the third direction and the second direction, and is fixedly arranged with the protruding slide rail sub-section along the third direction.
  • One direction rotation connection is located below the protruding part and is fixedly arranged relative to the protruding slide rail sub-section along the third direction and the second direction, and is fixedly arranged with the protruding slide rail sub-section along the third direction.
  • the raised slide rail sub-part and the chute sub-part in this application are slidingly connected to each other.
  • This application does not limit whether the raised slide rail sub-part is set on the first fixed part.
  • This application does not limit the chute sub-part. Whether it is provided on the first fixing member is not limited. As long as the sliding connection between the first fixing part and the first fixing piece can be achieved.
  • the first fixing part includes a raised slide rail sub-part protruding downward along the third direction, and the first fixing part is provided with a
  • the chute sub-section is located above the protruding part and is fixedly arranged relative to the protruding slide rail sub-section along the third direction and the second direction, and is fixedly arranged with the protruding slide rail sub-section along the third direction.
  • the raised slide rail sub-part and the chute sub-part in this application are slidingly connected to each other.
  • This application does not limit whether the raised slide rail sub-part is set on the first fixed part.
  • This application does not limit the chute sub-part. Whether it is provided on the first fixing member is not limited. As long as the sliding connection between the first fixing part and the first fixing piece can be achieved.
  • the first fixing part includes a convex slider protruding upward along the third direction.
  • Rail part the first fixing part is provided with a chute sub-part adapted to the raised slide rail sub-part, the chute sub-part is located above the raised part and is connected with the raised slide rail
  • the sub-section is relatively fixedly arranged along the third direction and the second direction, and is rotatably connected with the raised slide rail sub-section along the first direction.
  • the raised slide rail sub-part and the chute sub-part in this application are slidingly connected to each other.
  • This application does not limit whether the raised slide rail sub-part is set on the first fixed part.
  • This application does not limit the chute sub-part. Whether it is provided on the first fixing member is not limited. As long as the sliding connection between the first fixing part and the first fixing piece can be achieved.
  • the first fixing part includes a raised slide rail sub-part protruding upward along the third direction, and the first fixing part is provided with a protruding slide rail sub-part that is adapted to the raised slide rail sub-part.
  • the chute sub-portion is provided below the protruding portion and is fixedly arranged relative to the protruding slide rail sub-portion along the third direction and the second direction, and is connected to the protruding slide rail sub-portion Turn the connection in the first direction.
  • the raised slide rail sub-part and the chute sub-part in this application are slidingly connected to each other.
  • This application does not limit whether the raised slide rail sub-part is set on the first fixed part.
  • This application does not limit the chute sub-part. Whether it is provided on the first fixing member is not limited. As long as the sliding connection between the first fixing part and the first fixing piece can be achieved.
  • the first fixing member includes a base and a cover plate, the cover plate is located above the base, the second pin and the first fixing part, and the cover The plate is fixedly connected to the base; the base includes the chute sub-section; a mounting hole is opened on an edge of the cover plate along the first direction, and the second pin is rotationally connected to the mounting hole.
  • the first fixing member in this application may include only the base, or may include the base and the cover.
  • the base and the cover may be an integral structure or a separate structure.
  • the cover may have the above-mentioned mounting structure so that the second pin of the torsion spring can be rotationally connected to the cover. This enables the torsion spring to rotate relative to the base.
  • the first fixing member includes a base
  • the base includes the chute sub-part
  • an edge of the base has a mounting hole along the first direction
  • the second pin Rotatingly connected to the mounting hole.
  • the first fixing part in this application may only include a base structure, and a chute sub-section is provided on the base, which can be slidably connected with the first swinging part.
  • the base and the second pin can be coupled and rotated through the shaft hole.
  • the elastic member includes a torsion spring or a flexible elastic member such as a spring.
  • the embodiment of the present application does not limit the type of the elastic member.
  • the elastic member of the present application can be a torsion spring or a spring. As long as a tensile force or a compressive force can be formed between the two ends of the elastic member, the damping effect on the rotating shaft can be achieved.
  • the present application provides a terminal including the damping mechanism as described above.
  • the terminal provided by this application also includes a first housing, a second housing, and a rotating shaft assembly located between the first housing and the second housing.
  • the terminal also includes the above-mentioned damping mechanism.
  • the damping mechanism is located outside the rotating shaft assembly, and at least one of the damping mechanisms is provided;
  • the first swinging member is fixedly connected to the first housing, or the first swinging member is fixedly connected to the second housing Fixed connection;
  • the first fixing part is located between the first housing and the second housing; or the first fixing part and the first housing are an integral structure; or the first fixing part It is an integral structure with the second shell. All the effects of the above damping mechanism can be achieved.
  • the first swinging member can be fixed on the housing (the first housing or the second housing), or can be movably connected.
  • Connect; the first pin can be connected to the first swing member or to the housing (the first housing or the second housing).
  • Figure 1 is an application scenario diagram of an exemplary folding screen mobile phone of this application
  • Figure 2 is a schematic structural diagram of an exemplary damping mechanism of the present application
  • Figure 3 is a schematic diagram of the installation structure of the exemplary damping mechanism of the present application.
  • Figure 4 is a schematic structural diagram of an exemplary first swing arm of the present application.
  • Figure 5 is a schematic cross-sectional structural diagram of the rotational connection between the first swing arm and the base of the exemplary application
  • Figure 6 is an enlarged schematic diagram of the first swing arm and the base rotation structure in Figure 5 as an example of this application;
  • Figure 7 is a schematic structural diagram of an exemplary first slider of the present application.
  • Figure 8 is a schematic diagram of the installation structure of the first slider and the locking piece in an exemplary application
  • Figure 9 is a schematic cross-sectional structural diagram of the connection between the first slider, the locking piece and the torsion spring in this application;
  • Figure 10 is a schematic diagram of the expansion state of the exemplary damping mechanism of the present application and a schematic diagram of the rotation center positions between the torsion spring, the first swing arm and the base;
  • Figure 11 is a projection and force diagram of the first rotation center, the second rotation center and the third rotation center relative to the vertical plane in the first direction when the folding screen mobile phone is in a flat state;
  • Figure 12 is a schematic diagram of the intermediate state of the exemplary damping mechanism of the present application and a schematic diagram of the rotation center positions between the torsion spring, the first swing arm and the base;
  • Figure 13 is a projection and force diagram of the first rotation center, the second rotation center and the third rotation center relative to the vertical plane in the first direction when the folding screen mobile phone is in the intermediate state;
  • Figure 14 is a schematic diagram of the folded state of the exemplary damping mechanism of the present application and a schematic diagram of the rotation center positions between the torsion spring, the second swing arm and the base;
  • Figure 15 is a projection and force diagram of the first rotation center, the second rotation center and the third rotation center relative to the vertical plane in the first direction when the foldable screen mobile phone is in the folded state (closed state).
  • 2-damping mechanism 21-first swing arm; 211-first fixed part; 2111-convex slide rail sub-part; 212-first movable part; 2121-accommodating groove;
  • it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediary, or it can be It is the internal connection between two components.
  • the terms “including” and “having” and any variations thereof are intended to cover a non-exclusive inclusion, for example, the inclusion of a series of steps or units. Methods, systems, products or devices are not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such processes, methods, products or devices. "Up”, “down”, “left”, “right”, etc. are only used relative to the orientation of the components in the drawings. These directional terms are relative concepts and are used for relative description and clarification. , which may change accordingly according to changes in the orientation in which the components in the drawings are placed.
  • Embodiments of the present application provide a terminal.
  • the terminal can be an electronic device with a folding screen effect, such as a mobile phone, a tablet computer, or a notebook computer.
  • the folding effect mainly relies on a rotating shaft and a damping mechanism.
  • the damping mechanism provided by the embodiment of the present application is also suitable for support equipment with a folding function.
  • the embodiments of the present application do not specifically limit the specific forms of the above-mentioned electronic equipment or supporting equipment.
  • the terminal is a folding screen mobile phone as an example.
  • the first direction is defined as: the axial direction of the rotating shaft in the folding screen mobile phone (the dotted line area where serial number 13 is located in Figure 1 is the position where the rotating shaft can be set).
  • the third direction is limited to: the thickness direction of the foldable screen mobile phone 1 in a flat state.
  • the second direction is defined as: a direction perpendicular to the first direction and the third direction respectively, which can be understood as the length direction of the folding screen mobile phone in the flat state as shown in Figure 1.
  • the first rotation center is set to O3, the second rotation center is O2, and the third rotation center is O1.
  • the elastic member is directly disposed between the rotating shaft 13 and any housing (the first housing 11 Or between the second housing 12), the first rotation center O3 can also be understood as the rotation center of the housing rotation.
  • a folding screen mobile phone 1 generally includes a casing and a flexible screen attached to the upper surface of the casing.
  • the casing includes a first casing 11, a second casing 12, and a casing for rotationally connecting the first casing 11 and the second casing 12.
  • the rotating shaft assembly that is, the rotating shaft assembly is used to realize folding rotation between the first housing 11 and the second housing 12 .
  • the rotating shaft assembly generally includes a rotating shaft 13 located between the first housing 11 and the second housing 12 and a damping mechanism 2 that provides a flattening force and/or a closing force for the rotating shaft 13 .
  • the rotating shaft 13 and the damping mechanism may be directly connected or indirectly connected.
  • the damping mechanism can realize the opening and closing feel during the folding and rotating process between the first housing 11 and the second housing 12 .
  • the structure of folding machines has become lighter and thinner, which in turn makes the space of the damping mechanism 2 smaller and smaller. If the existing cam spring damping mechanism is still used, there will not be enough space for installation. In the absence of a damping mechanism, the problem of insufficient expansion force and closing force between the first housing 11 and the second housing 12 occurs.
  • this plan introduces an auxiliary damping mechanism 2 to provide corresponding flattening force and closing force to Make the bending feel of the folding machine meet the requirements.
  • the auxiliary damping mechanism 2 in this solution can also be used as the main damping mechanism 2 to provide corresponding flattening force and closing force.
  • the damping mechanism 2 of the present application is used to connect a rotating shaft 13 and two housings, that is, the first housing 11 and the second housing 12 are rotationally connected through the rotating shaft 13, and the first housing 11 and the second housing are rotatably connected.
  • the flattening force and/or closing force required for opening and closing is obtained through the damping mechanism 2.
  • the damping mechanism 2 is rotationally connected to the rotating shaft 13, so that the damping mechanism 2 drives the opening and closing between the two shells.
  • the damping mechanism 2 in this solution may include: a first swing arm 21 (ie, the first swing member) and a base 22 (ie, the first fixed member).
  • the first swing arm 21 can be fixedly connected with the housing on either side of the folding screen mobile phone 1, or the first swing arm 21 can be an integral structure with the housing on either side.
  • the first swing arm 21 may be connected to the first housing 11 or the second housing 12 .
  • the connection between the first swing arm 21 and the first housing 11 or the second housing 12 may be a fixed connection or a movable connection, which is not limited in this application.
  • the fixed connection in this solution may be a detachable fixed connection or a non-detachable fixed connection, which is not limited in this solution.
  • the first swing arm 21 includes a first fixed part 211 and a first movable part 212 connected with the first fixed part 211 .
  • the connection between the first fixed part 211 and the first movable part 212 in this solution includes a fixed connection, and may also include a movable connection. This solution does not limit this, as long as the first movable part 212 can follow the first It suffices that the fixed part 211 is rotated.
  • the first fixed part 211 can be rotationally connected to the base 22, and the first movable part 212 can drive the first housing 11 to rotate relative to the second housing 12, or the first movable part 212 can drive the second housing 12 to rotate relative to the first housing. 11 turns.
  • the first fixing part 211 may include a raised slide rail sub-part 2111
  • the base 22 may include a slide groove sub-part 221
  • the raised slide rail sub-part 2111 can slide relative to the slide groove sub-part 221 Rotate, so that when the position of the base 22 remains unchanged, the first swing arm 21 can drive the opening and closing of the housing on either side relative to the housing on the other side during the rotation relative to the base 22 .
  • the first fixing part 211 may also include a raised slide rail sub-part 2111 protruding downward along the third direction, and the base 22 is provided with a chute sub-part adapted to the raised slide rail sub-part 2111 221.
  • the chute sub-part 221 is located below the raised slide rail sub-part 2111, and is relatively fixedly arranged with the raised slide rail sub-part 2111 along the third direction and the second direction, and rotates with the raised slide rail sub-part 2111 along the first direction. connect.
  • the first fixing part 211 also includes a raised slide rail sub-part 2111 protruding upward along the third direction, and the base 22 is provided with a chute sub-part 221 adapted to the raised slide rail sub-part 2111,
  • the chute sub-portion 221 is located above the raised portion, is fixedly arranged relative to the raised slide rail sub-portion 2111 along the third direction and the second direction, and is rotatably connected to the raised slide rail sub-portion 2111 along the first direction.
  • the first fixing part 211 includes a raised slide rail sub-part 2111 protruding upward along the third direction, and the base 22 is provided with a chute sub-part 221 adapted to the raised slide rail sub-part 2111.
  • the groove portion 221 is located below the raised slide rail sub-portion 2111 and fixedly arranged relative to the raised slide rail sub-portion 2111 along the third direction and the second direction, and is rotationally connected with the raised slide rail sub-portion 2111 along the first direction. To sum up, the raised slide rail sub-part 2111 and the chute sub-part 221 together form the first rotation center O3 between the base 22 and the first swing arm 21 .
  • the base 22 in this application can be a separate structure, and the base 22 is a structure separated from the two shells, which is the above solution.
  • the base 22 in this application may also be an integral structure with the corresponding side shell.
  • the first housing 11 may include a first part and a second part, the first part is rotationally connected to the first fixed part 211, and the first movable part 212 drives The second part follows the move.
  • the first movable portion 212 on the first swing arm 21 can drive the first housing 11 to follow the movement.
  • the damping mechanism 2 of the present application may also include a limiting slide assembly 23 .
  • the above-mentioned limiting slide assembly 23 is provided in the first movable part 212.
  • the elastic member (torsion spring 24 or spring ) drives the limiting slide assembly 23 to slide in the first movable portion 212 of the first swing arm 21 to further increase the service life of the elastic member (torsion spring 24 or spring).
  • the limiting slide assembly 23 includes a first sliding block 231 provided with a first sliding groove 2311 and a limiting member 232 that can move in the second direction in the first sliding groove 2311.
  • the extension length of the first slide groove 2311 along the second direction is the movement stroke of the first movable part 212 relative to the first housing 11 .
  • a receiving groove 2121 for receiving the first slider 231 is provided extending along the second direction on the side of the first movable part 212 .
  • the receiving groove 2121 can be fitted and abutted with the first slider 231 .
  • the structural dimensions of the accommodation groove 2121 of the present application are adapted to the structural dimensions of the first slider 231, as long as the displacement of the first slider 231 in the first direction and the third direction can be limited.
  • the receiving groove 2121 includes an opening along the second direction, and the first slider 231 can move along the opening along the second direction.
  • the limiting member 232 may include a first end located on the top surface and a second end far away from the first end along the third direction.
  • the first end may pass through the first slide groove 2311 along the third direction.
  • the first end can pass through the first chute 2311 , and the second end can be fixedly connected to the first housing 11 .
  • This application does not limit the fixed connection form between the second end and the first shell 11, as long as the fixed connection between the two can be achieved.
  • the structure of the limiting member 232 should be adapted to the structure of the first slide groove 2311 of the first slide block 231 . Referring further to FIG.
  • the first chute 2311 includes a closed annular surface, and the annular surface includes a first point A1 and a second point A2 that is farthest relative to the first point A1 , and the limiting member 232 can be at the first point A1 .
  • the second housing 12 is in a stationary state
  • the first housing 11 rotates relative to the second housing 12 and the folding screen mobile phone is in a flat state to an intermediate state
  • the limiting member 232 and the proximal end The first point A1 abuts, that is, an interaction force is generated between the limiting member 232 and the first slider 231 .
  • the first housing 11 rotates relative to the second housing 12 and the folding screen mobile phone is at a certain preset angle in the intermediate state, for example, the first housing and the second housing 12 are in a static state.
  • the angle between the two shells can be 90°.
  • the limiting member 232 may be in contact with or separated from the first point A1 at the proximal end, that is, there is no interaction force between the limiting member 232 and the first slider 231 .
  • the second housing 12 is in a stationary state
  • the first housing 11 rotates relative to the second housing 12 and the foldable screen mobile phone changes from the intermediate state to the folded state for example, the first housing 11 and the second housing 12 are in a static state.
  • the angle between 12 changes from 90° to 0°
  • the limiting member 232 can move from the first point A1 at the proximal end to the second point A2 at the distal end.
  • the second housing 12 is in a stationary state
  • the first housing 11 rotates relative to the second housing 12 and the foldable screen mobile phone is in a folded state
  • the included angle can be 0°.
  • the limiting member 232 may move to between the first point A1 and the second point A2, or the limiting member 232 may move to the second point A2.
  • the damping mechanism 2 of the present application should also include an elastic member that provides damping force.
  • the elastic member may be a torsion spring 24 or a spring.
  • the torsion spring 24 may include a first pin 241 and a second pin 242 for forming a torsion angle.
  • the first pin 241 is used to be rotationally connected with the first slider 231 and move along the second direction as the first slider 231 slides in the receiving groove 2121.
  • the first slider 231 is provided with a first hole (not shown in the figure) along the axial direction of the rotating shaft 13 , and the first pin 241 can rotate in cooperation with the first hole.
  • the second pin 242 is used for rotationally connecting with the base 22 .
  • the base 22 is provided with a second hole along the axial direction of the rotating shaft 13 , and the second pin 242 can rotate in cooperation with the second hole.
  • the first slider 231 is provided with a slot 2312 on a side for contacting the torsion spring 24 , and the slot 2312 is used to define the installation position of the rotation center of the first pin 241 .
  • the slot 2312 includes a first inner wall 2315 , an inner top surface 2316 and a second inner wall 2317 that are smoothly connected. The inner top surface 2316 is used to limit the displacement of the first pin 241 in the third direction.
  • the limiting slide assembly also includes a locking member.
  • the first slider 231 is provided with a locking boss 2314 on a side for contacting the torsion spring 24.
  • the locking boss 2314 is provided with a locking part along the second direction.
  • the locking hole 2313 is adapted to the component.
  • the locking boss 2314 is located above the inner top surface 2316.
  • the lower edge surface of the locking boss 2314, the inner top surface 2316 and the locking member are jointly formed to limit the position of the first pin 241. Displacement in the second direction.
  • the first slider 231 is provided with a card slot 2312 on one side for installing the torsion spring 24.
  • the first pin 241 or the second pin 242 in the torsion spring 24 can be clamped with the card slot 2312.
  • the card slot 2312 In the card slot There is also a locking hole 2313 above 2312.
  • it also includes a locking piece 233.
  • the locking piece 233 is fixed with the shaft hole of the locking hole 2313 so that the locking piece 233 and the slot 2312 can jointly limit the torsion spring. The deflection during the rotation of the first pin 241 or the second pin 242 in 24.
  • the damping mechanism 2 of the present application may also include a cover plate 25, which plays a fixing role.
  • the first fixing member may include a cover plate 25 and a base 22.
  • a long slot hole ie, a mounting hole
  • a protective structure is provided on the cover 25 corresponding to the position of the first fixing part 211. Referring to Figure 6, when the first fixing part 211 is a convex surface, the protective structure on the cover 25 is adapted to the convex surface.
  • the protective structure on the cover plate 25 is a convex mask body that matches the groove surface.
  • the number of protective structures on the cover plate 25 corresponds to the number of the first swing arms 21
  • the number of the first swing arms 21 corresponds to the number of the torsion springs 24 .
  • the damping mechanism 2 of this application may include one torsion spring 24, two torsion springs 24, or multiple torsion springs 24, which is not limited in this application.
  • the damping mechanism 2 of this application may include one, two or more, and this application does not limit this.
  • the torsion spring 24 of the present application can be a one-stage, two-stage or multi-stage spring structure, which is still not limited in the present application.
  • cover 25 and the base 22 of the present application can be independent structures, or the cover 25 and the base 22 of the present application can also be an integrated structure.
  • the specific structure refers to the aforementioned scheme and is not limited here.
  • this application does not limit the connection form of the torsion spring 24 , as long as it can dampen the rotation axis and provide expansion force and folding force.
  • the number of torsion springs 24 is not limited in this application and can be set according to actual usage requirements.
  • the rotary connection mentioned in this application can be realized by using a perforated structure or a shaft hole matching structure. This application does not limit the form of the rotary connection, as long as the rotatable swing arm and torsion spring can be realized The 24-pin connection can be rotated.
  • the fixed position of the torsion spring 24 of the present application is not limited to the base 22 and the first swing arm 21, and can also be at other positions, as long as the pressure and angle can be provided to make the swing arm flatten and fold. Just use force.
  • three or more damping mechanisms 2 can be provided on the folding screen mobile phone 1, and the pins of the torsion springs 24 of each damping mechanism 2 can be arranged in any combination, which is not limited in this application.
  • the limiting member 232 may be a pin.
  • the pin can cooperate with the first slide groove 2311 to play a limiting role. Please refer to the aforementioned structure for specific solutions.
  • the first slider 231 is provided with the aforementioned first slider. Slot 2311, because the limiter 232 is fixedly connected to the first housing 11, and the first swing arm 21 can rotate relative to the base 22, the first swing arm 21 is connected to the base 22 through the first slider 231 and the torsion spring 24 , therefore, when the first housing 11 follows the first swing arm 21 to rotate relative to the base 22, the limiting member 232 fixed to the first housing 11 can move relatively in the first chute 2311.
  • the torsion spring 24 is in a free state.
  • the torsion spring 24 When the first housing 11 rotates, the torsion spring 24 is in a free state. Due to the existence of the first slide groove 2311, the limiting member 232 will be between the first point A1 and the second point A2. That is, the side wall of the first chute 2311 will not squeeze the limiting member 232. Correspondingly, the limiting member 232 will not exert any force on the first chute 2311, thereby causing the first housing 11 to rotate. When reaching certain angles, the torsion spring 24 is always in a free state, so that the torsion spring 24 is not always pulled, thereby increasing the service life of the torsion spring 24 .
  • the distance between the first point A1 and the second point A2 along the second direction can be changed, and is controlled by changing the distance between the first point A1 and the second point A2 (ie, the length of the first chute 2311).
  • the stroke distance of the torsion spring 24 determines the magnitude of the expansion or closing force.
  • the first swing arm 21 is relative to the base.
  • the rotation center of 22 is O3
  • the rotation center of the first swing arm 21 and the torsion spring 24 is O1
  • the rotation center of the torsion spring 24 and the base 22 is O2
  • the plane perpendicular to the first direction is set as the projection reference plane (also called the reference plane).
  • the vertical projection point of O1 on the projection datum plane is located below the line connecting the vertical projection points of O2 and O3 on the projection datum plane, and a torsion spring 24 is formed between O1 and O2.
  • the direction of the component force of the pulling force F1 relative to the line connecting the O2O3 projection points is downward, that is, the force of the torsion spring 24 drives the first swing arm 21 to have a downward (flattening) component force, so the first swing arm 21 It has a tendency to move downward (flattening), thereby forming a flattening force, and the first swing arm 21 will drive the housing (first housing 11 or second housing 12) connected to it to perform a flattening movement.
  • the folding screen mobile phone 1 when the folding screen mobile phone 1 is in the intermediate state, for example, an included angle of 160° is formed between the first housing 11 and the second housing 12: the first swing arm 21 continues upward from the flat state ( (closed direction), the torsion spring 24 continues to compress, the rotation center between the torsion spring 24 and the base 22 is O2, the rotation center between the torsion spring 24 and the first swing arm 21 is O1, the first swing arm 21 and the base The rotation center between 22 is O3, and the plane perpendicular to the first direction is set as the projection reference plane.
  • the vertical projection points of O1, O2, and O3 relative to the projection reference plane fall on the same straight line.
  • the torsion force of the torsion spring does not generate an upward or downward force relative to the first swing arm 21, that is, the torsion force reed 24 does not drive the first swing arm 21 to have a downward (flattening) or upward (closing) component, so the first swing arm 21 is in a dead center state and has no flattening force or closing force.
  • the plane perpendicular to the first direction is set as the projection reference plane.
  • the vertical projection point of O1 relative to the projection reference plane is located above the line connecting the vertical projection points of O2O3 on the projection reference plane.
  • the force between O1O2 has an upward pulling force relative to O3, that is, the torsion spring 24
  • the pressure drives the first swing arm 21 to have an upward (closing) component. Therefore, the first swing arm 21 has a tendency to move upward (closing), thereby having a closing force.
  • the first swing arm 21 will drive the connected shell (first shell). 11 or the second housing 12) performs a closing movement.
  • the first swing arm 21 continues to move upward.
  • the pressure of the torsion spring 24 returns to the free state as the upward movement distance increases, it no longer provides pressure, so there is no upward (closing) or downward (flattening) component force, so there is no flattening force or closing force. force to protect the stroke of the torsion spring 24 from overload.
  • the rotation center of the first fixing part 211 is the first rotation center O3, the rotation center of the second pin 242 and the first fixing part is the second rotation center O2, and the rotation center of the second pin 242 is the second rotation center O2.
  • the projection of the first rotation center O3 on the reference plane does not overlap with the projection of the second rotation center O2 on the reference plane.
  • the reference plane is a plane perpendicular to the first direction.
  • the reference plane is the above-mentioned projection datum plane. Setting the vertical projections of the two rotation centers relative to the projection datum plane to not overlap can achieve changes in the flattening force or closing force of the relative shell during the rotation of the torsion spring (spring).
  • the pin Since the first slide groove 2311 has a closed annular surface, the pin contacts the first point A1 and At the second point A2, the relative displacement between the pin and the first slide groove 2311 will not continue to move. In this way, the first slide block 231 can be limited by the pin; it is controlled by adjusting the slot length of the first slide block 231.
  • the stroke distance of the torsion spring 24 determines the size and angle of the expansion or closing force.
  • this application uses the torsion spring 24 structure, and the torsion spring 24 is arranged on the structure outside the shaft, so that it does not occupy the space inside the shaft.
  • the folding machine is designed to be lighter and thinner, and the space of the damping system is too small to achieve sufficient expansion force, it can be used as the main damping mechanism 2 or as the auxiliary damping mechanism 2 to provide the corresponding flattening and closing force to make the folding machine bend.
  • the folding feel meets the requirements.
  • damping mechanism 2 of the present application is used as the main damping mechanism 2 of the rotating shaft, multiple damping mechanisms 2 of the present application can be provided, and the multiple damping mechanisms 2 can be arranged at multiple positions outside the shaft.
  • the specific arrangement method is as above. plan.

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Abstract

一种阻尼机构（2），包括：弹性件（24），弹性件包括第一引脚（241）和第二引脚（242）；第一固定件（22），第一固定件沿第一方向与第二引脚转动连接；第一摆动件（21），第一摆动件包括第一固定部（211）和与第一固定部衔接的第一活动部（212），第一固定部沿第一方向与第一固定件转动连接；第一活动部沿第一方向与第一引脚转动连接；当第一固定件与第一摆动件之间进行转动时，弹性件产生的弹力作用于第一活动部与第一引脚转动连接的旋转中心，形成展开力或闭合力。还具有一种包括阻尼机构的终端，能够适应轻薄尺寸折叠屏终端，提供所需展开力及闭合力。

Description

阻尼机构及终端
本申请要求于2022年07月12日提交中国国家知识产权局、申请号为202210815943.4、申请名称为“阻尼机构及终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通讯技术领域，尤其涉及一种折叠屏终端转轴的阻尼机构及终端。
背景技术
随着折叠屏终端的应运而生，对于折叠屏轻薄尺寸结构的需求日益提升，折叠屏手机尺寸轻薄，用户使用感受也会越来越好。折叠屏手机之所有具有折叠功效，一般都源于其内的带有阻尼功能的转轴，然而，现有使用的转轴阻尼机构结构尺寸较大，其安装于转轴上，导致其无法适应更轻更薄的折叠机使用，为了不影响用户的折叠手感，亟需尺寸小占用空间小的阻尼机构。
发明内容
本申请提供一种阻尼机构及终端，能够适应轻薄尺寸折叠屏手机，提供所需展开力及闭合力。
第一方面，本申请提供一种阻尼机构，包括：弹性件，所述弹性件包括第一引脚和第二引脚；第一固定件，所述第一固定件沿第一方向与所述第二引脚转动连接；第一摆动件，所述第一摆动件包括第一固定部和第一活动部，所述第一固定部沿所述第一方向与所述第一固定件转动连接；所述第一活动部沿所述第一方向与所述第一引脚转动连接；当所述第一固定件与所述第一摆动件之间进行转动时，所述弹性件产生的弹力作用于所述第一活动部与所述第一引脚转动连接的旋转中心，形成展开力或闭合力。
示例性的，本申请阻尼机构中的第一摆动件设置至少一个。示例性的，本申请的弹性见可以是扭簧或弹簧等。示例性的，弹性件的个数本申请实施例不作限定。基于以上结构，示例性的，第一固定件可以位于第一外壳与第二外壳之间的独立结构，或者，第一固定件也可以与第一外壳为一体结构，或者，第一固定件也可以与第二外壳为一体结构。以第一固定件为独立结构为例，示例性的，第一摆动件可以包括多个，多个第一摆动件设置在第一固定件同一侧，示例性的，多个第一摆动件与第一外壳固定连接，当各第一摆动件与第一固定件之间的夹角为90°-180°时，折叠屏手机可以处于展平状态，此时，扭簧的扭脚产生的扭矩力会分解出展平力和折叠力，展平力大于折叠力。当各第一摆动件与第一固定件之间的夹角为90°时，扭簧的扭脚产生的扭矩力分解出的展平力和折叠力平衡。当各第一摆动件与第一固定件之间的夹角为0°-90°时，扭簧的扭脚产生的扭矩力会分解出展平力和折叠力，展平力小于折叠力。从而实现第一摆动件与第一固定 件之间的开合，以进一步带动第一外壳与第二外壳之间的开合。另外，采用扭簧带来的扭矩力阻尼作用，由于扭簧本身体积小，安装拆卸便捷的特点，并且，扭簧不需要直接与转轴相连接，对于转轴处结构尺寸的要求较小。示例性的，本申请对第一固定件和第一摆动件的形状及尺寸不做限定，只要能够实现与扭簧的转动连接即限位即可。在一些可能实现的方式中，所述第一固定件与所述第一固定部转动连接的旋转中心为第一旋转中心，所述第二引脚与所述第一固定件转动连接的旋转中心为第二旋转中心；所述第一旋转中心在参考平面的投影与所述第二旋转中心在参考平面的投影不交叠；其中，所述参考平面为垂直于第一方向的平面。这样设置，可以使得所述第一引脚与所述第一活动部转动连接的旋转中心不位于所述第一旋转中心在所述参考平面的投影和所述第二旋转中心在所述参考平面的投影连接的延长线，进而产生展平力或闭合力。
在一些可能实现的方式中，所述第一引脚与所述第一活动部转动连接的旋转中心为第三旋转中心；当所述第一固定件与所述第一摆动件为第一预设夹角时，所述第三旋转中心在所述参考平面的投影位于所述第一旋转中心在所述参考平面的投影和所述第二旋转中心在所述参考平面的投影连接的延长线的上时，所述第三旋转中心上无展平力或闭合力；当所述第一固定件与所述第一摆动件为第二预设角度时，所述第三旋转中心不位于所述第一旋转中心在所述参考平面的投影和所述第二旋转中心在所述参考平面的投影连接的延长线，示例性的，所述第三旋转中心位于所述第一旋转中心在所述参考平面的投影和所述第二旋转中心在所述参考平面的投影连接的延长线的上方或下方，以形成作用于所述第三旋转中心的展开力或闭合力，示例性的，辅助折叠手机展开或闭合。
示例性的，本申请对第一预设角度不做具体限定，第一预设角度可以为80°、90°、100°、120°、140°或者160°等。
示例性的，本申请对第二预设角度不做具体限定，第二预设角度可以为180°、150°、60°或者50°等。
在一些可能实现的方式中，所述阻尼机构还包括限位滑块组件，所述第一摆动件的侧面沿第二方向开设有用于容置所述限位滑块组件的容纳凹槽；所述第一引脚沿所述第一方向与所述限位滑块组件转动连接；所述限位滑块组件沿所述第二方向与所述容纳凹槽滑动连接，以带动所述第一引脚沿所述第二方向移动；其中，所述第二方向垂直于所述第一方向。
具体的，在某些角度时，弹性件处于自由态，不会产生弹力。示例性的，弹性件可以是弹簧，自由态时弹簧不会压缩，也不会拉伸。有利于弹性件(弹簧或者扭簧等)的寿命。
在一些可能实现的方式中，所述限位滑块组件包括带有第一滑槽的第一滑块和在所述第一滑槽内沿第二方向相对移动的限位件；所述限位件能够穿过所述容纳凹槽并与所述第一摆动件固定；所述第一滑槽包括封闭的环形面，沿所述第二方向，所述环形面包括第一点和与所述第一点相对最远设置的第二点，所述限位件在所述第一点与所述第二点之间移动；当所述第一摆动件与所述第一固定件之间的夹角为第三预设夹角时，所述限位件与所述第一点抵接；当所述第一摆动件与所述第一固定件之间的夹角由所述第三预设夹角到第四预设夹角的过程中，所述限位件由所述第一点到所述第二点移动。示例 性的，当所述第一摆动件与所述第一固定件之间的夹角为所述第四预设夹角时，所述限位件可以与所述第二点接触。
示例性的，限位件能够在第一滑槽内移动，即由第一点移动至第二点，能够使得第一滑块在容纳凹槽内滑动，使得第一引脚处于自由状态，即弹性件处于自由状态，能够提升弹性件的使用寿命。
示例性的，本申请对第三预设夹角和第四预设角度不做限定，例如第三预设夹角可以与第一预设角度或第二预设角度相同，当然，也可以不同，第四预设夹角可以与第一预设角度或第二预设角度相同，当然，也可以不同。
在一些可能实现的方式中，所述第一滑块用于与所述扭簧接触的一面开设有卡槽，所述卡槽用于限定所述第一引脚的旋转中心的安装位置。在第一滑块上设置用于限定第一引脚的卡槽，能够减少结构部件，同时还能够实现与第一引脚的连接。
在一些可能实现的方式中，所述卡槽包括顺滑连接的第一内侧壁、内顶面和第二内侧壁，所述内顶面用于限定所述第一引脚在第二方向上的位移，所述第一内侧壁和所述第二内侧壁用于限定所述第一引脚在第一方向上的位移。
示例性的，第一内侧壁与第二内侧壁之间的距离与第一引脚的尺寸适配，能够使得第一引脚在该位置不会出现第二方向或第一方向上的位移，从而能够确保第一引脚相对第一滑块转动连接的稳定性。
在一些可能实现的方式中，所述限位滑块组件还包括锁紧件，所述第一滑块上用于与所述扭簧接触的一面设置有锁紧凸台，所述锁紧凸台沿第二方向开设有与所述锁紧件适配的锁紧孔，所述锁紧凸台位于所述内顶面上方，所述锁紧凸台的下缘面、所述内顶面和所述锁紧件共同形成用于限定所述第一引脚在第二方向上的位移。
示例性的，锁紧凸台能够与卡槽适配应用，用于提供限定第一引脚在第二方向及第一方向上的位移，从而能够确保第一引脚相对第一滑块转动连接的稳定性。
在一些可能实现的方式中，所述第一固定部包括沿第三方向向下凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起部适配的滑槽子部，所述滑槽子部位于所述凸起部下方，并与所述凸起滑轨子部沿第三方向和第二方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
示例性的，本申请中的凸起滑轨子部与滑槽子部相互滑动连接，本申请对凸起滑轨子部是否设定在第一固定部上不做限定，本申请对滑槽子部是否设置在第一固定件上不做限定。只要能够实现第一固定部与第一固定件之间的滑动连接即可。
在一些可能实现的方式中，所述第一固定部包括沿第三方向向下凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起部适配的滑槽子部，所述滑槽子部位于所述凸起部上方，并与所述凸起滑轨子部沿第三方向和第二方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
示例性的，本申请中的凸起滑轨子部与滑槽子部相互滑动连接，本申请对凸起滑轨子部是否设定在第一固定部上不做限定，本申请对滑槽子部是否设置在第一固定件上不做限定。只要能够实现第一固定部与第一固定件之间的滑动连接即可。
在一些可能实现的方式中，所述第一固定部包括沿第三方向向上凸出设置的凸起滑 轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽子部，所述滑槽子部位于所述凸起部上方，并与所述凸起滑轨子部沿第三方向和第二方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
示例性的，本申请中的凸起滑轨子部与滑槽子部相互滑动连接，本申请对凸起滑轨子部是否设定在第一固定部上不做限定，本申请对滑槽子部是否设置在第一固定件上不做限定。只要能够实现第一固定部与第一固定件之间的滑动连接即可。
在一些可能实现的方式中，所述第一固定部包括沿第三方向向上凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽子部，所述滑槽子部位于所述凸起部下方，并与所述凸起滑轨子部沿第三方向和第二方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
示例性的，本申请中的凸起滑轨子部与滑槽子部相互滑动连接，本申请对凸起滑轨子部是否设定在第一固定部上不做限定，本申请对滑槽子部是否设置在第一固定件上不做限定。只要能够实现第一固定部与第一固定件之间的滑动连接即可。
在一些可能实现的方式中，所述第一固定件包括基座和盖板，所述盖板位于所述基座、所述第二引脚和所述第一固定部的上方，所述盖板与所述基座固定连接；所述基座包括所述滑槽子部；所述盖板的边缘沿第一方向开设有安装孔，所述第二引脚与所述安装孔转动连接。
示例性的，本申请中的第一固定件可以只包括基座，也可以包括基座和盖板。当第一固定件包括基座和盖板时，基座和盖板可以是一体结构，也可以是分体结构。当基座和盖板是分体结构时，盖板可以具有上述的安装结构，以使扭簧的第二引脚能够与盖板转动连接。从而实现扭簧相对基座的转动。
在一些可能实现的方式中，所述第一固定件包括基座，所述基座包括所述滑槽子部，所述基座的边缘沿第一方向开设有安装孔，所述第二引脚与所述安装孔转动连接。
示例性的，本申请中的第一固定件可以只包括基座的结构，基座上设置滑槽子部，能够与第一摆动件滑动连接。另外，基座与第二引脚之间可以通过轴孔配合转动连接。
在一些可能实现的方式中，所述弹性件包括扭簧或者弹簧等柔性弹性件，本申请实施例不对弹性件的类型进行限定。
示例性的，本申请的弹性件可以为扭簧，也可以为弹簧，只要弹性件的两端之间可以形成拉力或者压缩力，就能够实现对转轴的阻尼作用。
第二方面，本申请提供一种终端，包括如上所述的阻尼机构。
在一些可能实现的方式中，本申请提供的终端还包括第一外壳、第二外壳、位于所述第一外壳与所述第二外壳之间的转轴组件，所述终端还包括上述的阻尼机构，所述阻尼机构位于所述转轴组件的外侧，所述阻尼机构设置至少一个；所述第一摆动件与所述第一外壳固定连接，或者，所述第一摆动件与所述第二外壳固定连接；所述第一固定件位于所述第一外壳与所述第二外壳之间；或者，所述第一固定件与所述第一外壳为一体结构；或者，所述第一固定件与所述第二外壳为一体结构。能够实现上述阻尼机构的所有效果。
示例性的，第一摆动件可以固定在外壳(第一外壳或第二外壳)上，也可活动连 接；第一引脚可以连接在第一摆动件上，也可以连接在外壳(第一外壳或第二外壳)上。
附图说明
图1为本申请示例性的折叠屏手机的应用场景图；
图2为本申请示例性的阻尼机构的结构示意图；
图3为本申请示例性的阻尼机构的安装结构示意图；
图4为本申请示例性的第一摆臂的结构示意图；
图5为本申请示例性的第一摆臂与基座转动连接处的剖面结构示意图；
图6为本申请示例性的图5中第一摆臂与基座转动结构的放大示意图；
图7为本申请示例性的第一滑块的结构示意图；
图8为本申请示例性的第一滑块与锁紧件的安装结构示意图；
图9为本申请示例性的第一滑块、锁紧件与扭簧之间连接处的剖面结构示意图；
图10为本申请示例性的阻尼机构的展开状态示意图及扭簧、第一摆臂和基座之间的各旋转中心位置示意图；
图11为折叠屏手机处于展平状态下，第一旋转中心、第二旋转中心和第三旋转中心相对第一方向垂直面上的投影及受力图；
图12为本申请示例性的阻尼机构的中间状态示意图及扭簧、第一摆臂和基座之间的各旋转中心位置示意图；
图13为折叠屏手机处于中间状态下，第一旋转中心、第二旋转中心和第三旋转中心相对第一方向垂直面上的投影及受力图；
图14为本申请示例性的阻尼机构的折叠状态示意图及扭簧、第二摆臂和基座之间的各旋转中心位置示意图；
图15为折叠屏手机处于折叠状态(闭合状态)下，第一旋转中心、第二旋转中心和第三旋转中心相对第一方向垂直面上的投影及受力图。
附图标号：
1-折叠屏手机；11-第一外壳；12-第二外壳；13-转轴；
2-阻尼机构；21-第一摆臂；211-第一固定部；2111-凸起滑轨子部；212-第一活动部；2121-容纳凹槽；
22-基座；221-滑槽子部；23-限位滑块组件；231-第一滑块；2311-第一滑槽；2312-卡槽；2313-锁紧孔；2314-锁紧凸台；2315-第一内侧壁；2316-内顶面；2317-第二内侧壁；A1-第一点；A2-第二点；232-限位件；233-锁紧件；24-扭簧；241-第一引脚；242-第二引脚；25-盖板。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合本申请中的附图，对本申请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在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书实施例和权利要求书及附图中的术语“第一”、“第二”等仅用于区分描述的目的，而不能理解为指示或暗示相对重要性，也不能理解为指示或暗示顺序。“和/或”，用于描述关联对象的关联关系，表示可以存在三种关系，例如，“A和/或B”可以表示：只存在A，只存在B以及同时存在A和B三种情况，其中A，B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“安装”、“连接”、“相连”等应做广义理解，例如可以是固定连接，也可以是可拆卸连接，或者一体地连接；可以是直接连接，也可以是通过中间媒介间接，也可以是两个元件内部的连通。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元。方法、***、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。“上”、“下”、“左”、“右”等仅用于相对于附图中的部件的方位而言的，这些方向性术语是相对的概念，它们用于相对于的描述和澄清，其可以根据附图中的部件所放置的方位的变化而相应地发生变化。
本申请实施例提供一种终端，终端可以是手机、平板电脑或者笔记本电脑等具有折叠屏效果的电子设备，折叠效果主要依托于转轴及阻尼机构。示例性的，本申请实施例提供的阻尼机构也适用于具有折叠功能的支撑设备。示例性的，本申请实施例对上述电子设备或支撑设备的具体形式不作特殊限定。以下为了方便说明阻尼机构的方案，以终端是折叠屏手机为例进行说明。
为了更好的说明，限定第一方向为：折叠屏手机中转轴的轴向方向(图1中序号13所在的虚线区域为转轴可以设置的位置)。限定第三方向为：折叠屏手机1展平状态下的厚度方向。限定第二方向为：分别与第一方向和第三方向垂直的方向，可以理解为如图1所示折叠屏手机在展平状态下的长度方向。另外，为了更清楚的描述，设定第一旋转中心为O3，第二旋转中心为O2，第三旋转中心为O1，其中，当弹性件直接设置在转轴13与任一外壳(第一外壳11或者第二外壳12)之间时，第一旋转中心O3也可以理解为是外壳转动的旋转中心。
参照图1，折叠屏手机1一般包括外壳和贴附在外壳上表面的柔性屏，其中，外壳包括第一外壳11、第二外壳12以及用于转动连接第一外壳11和第二外壳12的转轴组件，即，转轴组件用于实现第一外壳11与第二外壳12之间的折叠转动。示例性的，转轴组件一般包括位于第一外壳11与第二外壳12中间的转轴13和为转轴13提供展平力和/或闭合力的阻尼机构2。示例性的，转轴13与阻尼机构可以直接连接，也可以间接连接。具体的，阻尼机构可以实现第一外壳11与第二外壳12之间折叠转动过程中的开合手感。现有技术中，为了提升产品竞争力，折叠机的结构越发轻薄，进而使得阻尼机构2的空间越来越小，如果依然使用现有的凸轮弹簧阻尼机构，则没有足够的空间进行安装，在缺少阻尼机构的情况下，导致出现第一外壳11与第二外壳12之间的展开力、闭合力不足的问题。
为了解决上述问题，本方案引入辅助阻尼机构2来提供相应的展平力和闭合力，以 使折叠机的弯折手感达到要求。示例性的，本方案中的辅助阻尼机构2也可以作为主力阻尼机构2来提供相应的展平力和闭合力。
为了进一步能够适应多种尺寸结构折叠屏手机1的需求，以转轴13外侧提供辅助扭矩力作用的阻尼机构2为例，即，在现有凸轮弹簧阻尼机构的基础上，增设本申请的阻尼机构2，关于凸轮弹簧阻尼机构可以参照现有技术，在此不做赘述，下面关于本申请的辅助阻尼机构进一步阐述具体方案：
示例性的，参考图1，本申请的阻尼机构2用于连接转轴13和两个外壳，即，第一外壳11与第二外壳12通过转轴13实现转动连接，第一外壳11与第二外壳12之间通过阻尼机构2得到开合所需的展平力和/或闭合力，阻尼机构2与转轴13之间转动连接，以实现阻尼机构2带动两个外壳之间的开合。为了更进一步清楚阐述本方案，下面结合图2和图3进一步描述各部件之间的位置及连接关系。
参考图2和图3，本方案中的阻尼机构2可以包括：第一摆臂21(即第一摆动件)和基座22(即第一固定件)。其中，第一摆臂21可以与折叠屏手机1的任一侧外壳固定连接，或者，第一摆臂21可以与任一侧外壳为一体结构。示例性的，第一摆臂21可以与第一外壳11或第二外壳12连接。第一摆臂21与第一外壳11或第二外壳12之间的连接可以是固定连接，也可以是活动连接，本申请对此不做限定。示例性的，本方案中的固定连接可以是可拆卸的固定连接，也可以是不可拆卸的固定连接，本方案对此不做限定。进一步参考图4，第一摆臂21包括第一固定部211和与第一固定部211衔接的第一活动部212。示例性的，本方案中的第一固定部211与第一活动部212的衔接包括固定连接，也可以包括活动连接，本方案对此不做限定，只要能够实现第一活动部212跟随第一固定部211的转动而转动即可。其中，第一固定部211可以与基座22转动连接，第一活动部212可以带动第一外壳11相对第二外壳12转动，或者，第一活动部212可以带动第二外壳12相对第一外壳11转动。参考图5和图6，示例性的，第一固定部211可以包括凸起滑轨子部2111，基座22可以包括滑槽子部221，凸起滑轨子部2111能够相对滑槽子部221滑动转动，从而使得在基座22位置不变的情况下，第一摆臂21能够在相对基座22转动的过程中，带动任一侧外壳相对另一侧外壳的开合。示例性的，第一固定部211也可以包括沿第三方向向下凸出设置的凸起滑轨子部2111，基座22上设置有与凸起滑轨子部2111适配的滑槽子部221，滑槽子部221位于凸起滑轨子部2111下方，并与凸起滑轨子部2111沿第三方向和第二方向相对固定设置，与凸起滑轨子部2111沿第一方向转动连接。示例性的，第一固定部211也包括沿第三方向向上凸出设置的凸起滑轨子部2111，基座22上设置有与凸起滑轨子部2111适配的滑槽子部221，滑槽子部221位于凸起部上方，并与凸起滑轨子部2111沿第三方向和第二方向相对固定设置，与凸起滑轨子部2111沿第一方向转动连接。示例性的，第一固定部211包括沿第三方向向上凸出设置的凸起滑轨子部2111，基座22上设置有与凸起滑轨子部2111适配的滑槽子部221，滑槽子部221位于凸起滑轨子部2111下方，并与凸起滑轨子部2111沿第三方向和第二方向相对固定设置，与凸起滑轨子部2111沿第一方向转动连接。综上，凸起滑轨子部2111与滑槽子部221共同形成基座22与第一摆臂21之间的第一旋转中心O3。
示例性的，本申请中的基座22可以是单独结构，且该基座22是与两个外壳分离的结构，即为以上方案。或者，示例性的，本申请中的基座22也可以是与相应侧外壳为一体的结构。示例性的，当基座22与第一外壳11为一体结构时，第一外壳11可以包括第一部和第二部，第一部与第一固定部211转动连接，第一活动部212带动第二部跟随移动。
综上，无论基座22与任意一侧外壳是否为一体结构，第一摆臂21上的第一活动部212均能够带动第一外壳11做跟随移动。
本申请的阻尼机构2还可以包括限位滑块组件23。进一步参考图7、图8和图9，示例性的，第一活动部212内设置有上述的限位滑块组件23，两个外壳之间相互打开过程中，弹性件(扭簧24或者弹簧)带动限位滑块组件23在第一摆臂21的第一活动部212内滑动，以进一步提升弹性件(扭簧24或者弹簧)的使用寿命。限位滑块组件23包括设置有第一滑槽2311的第一滑块231和能够在第一滑槽2311内沿第二方向移动的限位件232。其中，第一滑槽2311沿第二方向的延伸长度为第一活动部212相对第一外壳11跟随移动的移动行程。具体的，在第一活动部212的侧面沿第二方向延伸设置有用于容纳第一滑块231的容纳凹槽2121。示例性的，该容纳凹槽2121可以与第一滑块231嵌合抵接。示例性的，本申请的容纳凹槽2121的结构尺寸与第一滑块231的结构尺寸相适配，只要能够限制第一滑块231在第一方向和第三方向上的位移即可。另外，该容纳凹槽2121上沿第二方向包括开口，第一滑块231可以沿该开口沿第二方向进行移动。具体的，限位件232沿第三方向可以包括位于顶面的第一端和远离第一端的第二端，示例性的，第一端可以沿第三方向穿过第一滑槽2311，与第一活动部212固定连接。或者，第一端可以穿过第一滑槽2311，第二端可以与第一外壳11固定连接。本申请对第二端与第一外壳11之间的固定连接形式不做限定，只要能够实现两者之间的固定连接即可。需要指出的是，限位件232的结构应当与第一滑块231的第一滑槽2311的结构相适配。进一步参考图7，示例性的，第一滑槽2311包括封闭的环形面，环形面包括第一点A1和与第一点A1相对最远设置的第二点A2，限位件232能够在第一点A1与第二点A2之间移动。示例性的，以第二外壳12为静止状态考虑，当第一外壳11相对第二外壳12转动时，且折叠屏手机处于展平状态到中间状态时，此时，限位件232与近端的第一点A1抵接，即，限位件232与第一滑块231之间产生相互作用力。示例性的，以第二外壳12为静止状态考虑，当第一外壳11相对第二外壳12转动，且折叠屏手机处于中间状态的某一个预设角度时，示例性的，第一外壳与第二外壳之间的夹角可以为90°。此时，限位件232可以与近端的第一点A1接触或者分离，即，限位件232与第一滑块231之间没有相互作用力。示例性的，以第二外壳12为静止状态考虑，当第一外壳11相对第二外壳12转动，且折叠屏手机由中间状态到折叠状态时，示例性的，第一外壳11与第二外壳12之间的夹角由90°转到0°，限位件232可以由近端的第一点A1向远端的第二点A2移动。示例性的，以第二外壳12为静止状态考虑，当第一外壳11相对第二外壳12转动，且折叠屏手机处于折叠状态时，示例性的，第一外壳11与第二外壳12之间的夹角可以为0°。此时，限位件232可以移动至第一点A1与第二点A2之间，或者，限位件232可以移动至第二点A2。
进一步的，参考图9、图10、图11和图12，本申请的阻尼机构2还应当包括提供阻尼力的弹性件。示例性的，弹性件可以是扭簧24，也可以是弹簧。示例性的，扭簧24可以包括用于形成扭角的第一引脚241和第二引脚242。示例性的，第一引脚241用于与第一滑块231转动连接，并跟随第一滑块231在容纳凹槽2121沿第二方向的滑动而移动。具体的，第一滑块231上沿转轴13的轴向方向开设有第一孔(图中未示出)，第一引脚241能够与第一孔实现轴孔配合转动。示例性的，第二引脚242用于与基座22转动连接。具体的，基座22上沿转轴13的轴向方向开设有第二孔，第二引脚242能够与第二孔实现轴孔配合转动。示例性的，第一滑块231用于与扭簧24接触的一面开设有卡槽2312，卡槽2312用于限定第一引脚241的旋转中心的安装位置。进一步的，参考图8，卡槽2312包括顺滑连接的第一内侧壁2315、内顶面2316和第二内侧壁2317，内顶面2316用于限定第一引脚241在第三方向上的位移，第一内侧壁2315和第二内侧壁2317用于限定第一引脚241在第一方向上的位移。另外，限位滑块组件还包括锁紧件，第一滑块231上用于与扭簧24接触的一面设置有锁紧凸台2314，锁紧凸台2314沿第二方向开设有与锁紧件适配的锁紧孔2313，锁紧凸台2314位于内顶面2316上方，锁紧凸台2314的下缘面、内顶面2316和锁紧件共同形成用于限定第一引脚241在第二方向上的位移。
具体的，第一滑块231用于安装扭簧24的一侧设置有卡槽2312，扭簧24中的第一引脚241或者第二引脚242可以与卡槽2312卡接，在卡槽2312上方还设置有锁紧孔2313，同时，还包括锁紧件233，锁紧件233与锁紧孔2313轴孔配合固定，以使锁紧件233能够与卡槽2312之间共同限制扭簧24中的第一引脚241或者第二引脚242转动过程中的偏移。
或者，示例性的，本申请的阻尼机构2还可以包括盖板25，盖板25起到固定作用。示例性的，第一固定件可以包括盖板25和基座22，具体的，盖板25上对应第二引脚242的位置开设有长槽孔(即安装孔)，其中，第二引脚242与长槽孔的结构尺寸相配合。另外，盖板25上对应前述第一固定部211的位置设置保护结构，参考图6，当第一固定部211为凸起面时，盖板25上的保护结构为与该凸起面适配的凹面罩体，当第一固定部211为凹槽面时，盖板25上的保护结构为与该凹槽面适配的凸面罩体。示例性的，盖板25上的保护结构的个数与第一摆臂21的个数对应，第一摆臂21的个数与扭簧24的个数对应。本申请的阻尼机构2可以包括一个扭簧24、两个扭簧24或者多个扭簧24，本申请对此不做限定。在折叠屏终端上，本申请的阻尼机构2可以包括一个、两个或者多个，本申请对此也不做限定。另外，本申请的扭簧24可以是一段、两段或者多段弹簧结构，本申请对此仍然不做限定。
需要指出的是，本申请的盖板25与基座22可以为各自独立的结构，或者，本申请的盖板25与基座22也可以是一体结构。具体结构参考前述方案，此处不做限定。
具体的，本申请对扭簧24的连接形式不做限定，只要能够实现对转轴起到阻尼作用，提供展开力及折叠力即可。另外，本申请对扭簧24的个数也不做限定，根据实际使用需求设定即可。另外，本申请中提到的转动连接，均可以采用穿孔结构或者轴孔配合结构来实现，本申请对转动连接的形式不做限定，只要能够实现可旋转的摆臂、扭簧 24的引脚连接处可转动即可。另外，示例性的，本申请的扭簧24固定的位置不限于基座22和第一摆臂21，也可以是其他位置，只要能提供压力和角度，能够使摆臂产生展平及折叠的力即可。
或者，示例性的，折叠屏手机1上可以设置三个或者三个以上阻尼机构2，各阻尼机构2的各扭簧24的引脚设置方式任意组合，本申请对此不做限定。
示例性的，限位件232可以为销钉。销钉能够与第一滑槽2311配合起到限位作用。具体方案参考前述结构。
由于第一外壳11与第二外壳12之间转动的角度可以根据实际需要设定，因此，为了更好的发挥扭簧24的力的作用，第一滑块231上开设有前述的第一滑槽2311，由于限位件232与第一外壳11固定连接，且，第一摆臂21可以相对基座22转动，第一摆臂21通过第一滑块231、扭簧24与基座22连接，因此，当第一外壳11跟随第一摆臂21相对基座22转动时，与第一外壳11固定的限位件232能够在第一滑槽2311内相对移动，当转动到预设角度时，扭簧24处于自由态，处于自由态的扭簧24，在第一外壳11转动时，由于第一滑槽2311的存在，使得限位件232会在第一点A1和第二点A2之间移动，即第一滑槽2311的侧壁不会对限位件232造成挤压，相应的，限位件232也不会对第一滑槽2311有作用力，进而使得第一外壳11转动到某些角度之间时，扭簧24在一直处于自由态，从而使得扭簧24不会一直被拉动，从而增加扭簧24的使用寿命。
可以理解的是，第一点A1与第二点A2沿第二方向的距离可以改变，通过改变第一点A1与第二点A2之间的距离(即第一滑槽2311的长度)来控制扭簧24的行程距离，进而决定展开或闭合力的大小。
结合以上结构，对折叠屏手机1处于不同使用状态时的工作原理做如下阐述：
需要说明的是，下述角度仅是示例性的说明，不构成对本申请的限定。
参考图10和图11，当折叠屏手机1处于展平状态时，示例性的，当第一外壳11与第二外壳12之间的夹角为180°时：第一摆臂21相对基座22的旋转中心为O3，第一摆臂21与扭簧24的旋转中心为O1，扭簧24与基座22的旋转中心为O2，设定与第一方向垂直的面为投影基准面(也称为参考平面)。展平状态下，O1在该投影基准面上的垂直投影点位于O2、O3在该投影基准面上的垂直投影点之间的连线的下方，且，O1与O2之间形成扭簧24的拉力F1，该拉力F1相对O2O3投影点的连线的分力方向向下，即，扭簧24的力带动第一摆臂21具有向下(展平)的分力，因此第一摆臂21具有向下(展平)运动的趋势，从而形成展平力，第一摆臂21将带动其连接着的外壳(第一外壳11或者第二外壳12)做展平运动。
参考图12和图13，当折叠屏手机1处于中间状态时，示例性的，第一外壳11与第二外壳12之间形成160°夹角：第一摆臂21由展平态继续向上(闭合方向)旋转时，扭簧24继续压缩，扭簧24与基座22之间的旋转中心为O2，扭簧24与第一摆臂21的旋转中心为O1，第一摆臂21与基座22之间的旋转中心为O3，设定与第一方向垂直的面为投影基准面。中间状态时，O1、O2、O3相对该投影基准面的垂直投影点落在同一条直线上，因此，扭簧的扭力没有产生相对第一摆臂21的向上或者向下的力，即，扭簧 24没有带动第一摆臂21有向下(展平)或向上(闭合)的分力，因此第一摆臂21处于死点状态，无展平力或闭合力。
进一步的，参考图14和图15，当第一摆臂21继续相对第二外壳12运动，设定与第一方向垂直的面为投影基准面。此时，O1相对该投影基准面上的垂直投影点位于O2O3在该投影基准面上的垂直投影点连线的上方，O1O2之间的力具有相对O3的向上的拉力，即，扭簧24的压力带动第一摆臂21具有向上(闭合)的分力，因此第一摆臂21具有向上(闭合)运动的趋势，从而有闭合力，第一摆臂21会带动连接的外壳(第一外壳11或者第二外壳12)做闭合运动。
当折叠屏手机1由中间状态转到闭合状态，示例性的，第一外壳11与第二外壳12之间的夹角范围由90°到0°的过程中：第一摆臂21继续向上运动，当扭簧24的压力随着向上运动距离增加而恢复到自由状态时就不再提供压力，因此也没有向上(闭合)或向下(展平)的分力，从而没有展平力或闭合力，保护扭簧24的行程不至于过载。
需要指出的是，第一固定件与第一固定部211转动连接的旋转中心为第一旋转中心O3，第二引脚242与第一固定件转动连接的旋转中心为第二旋转中心O2，第一旋转中心O3在参考平面的投影与第二旋转中心O2在参考平面的投影不交叠。其中，参考平面为垂直于第一方向的平面。参考平面即为上述的投影基准面。设定两个旋转中心相对投影基准面上的垂直投影不交叠，能够实现扭簧(弹簧)旋转过程中，产生相对外壳的展平力或闭合力的变化。
当由中间状态到闭合状态需要有闭合力或一定范围的闭合力时，可以通过上述的第一滑块231与销钉来实现。即，展平状态到中间状态的受力过程如前述相同，此处不做赘述。当由中间状态到折叠状态时：由于第一滑块231中间开设有第一滑槽2311，销钉穿过第一滑块231的第一滑槽2311，销钉上下两端固定在第一摆臂21上，或者，销钉上下两端固定在第一外壳11上。当第一滑块231滑动时，位于第一滑槽2311内的销钉与第一滑槽2311之间产生相对移动，由于第一滑槽2311具有封闭的环形面，销钉接触到第一点A1及第二点A2时，销钉与第一滑槽2311之间的相对位移不会继续移动，这样，第一滑块231可以通过销钉进行限位；通过调节第一滑块231的开槽长度来控制扭簧24的行程距离来决定展开或闭合力的大小和角度。
综上，本申请使用了扭簧24结构，将扭簧24设置在轴外的结构上，不占用轴内空间。当折叠机设计更轻更薄，阻尼***的空间小无法做到足够展开力的情况下，作为主力阻尼机构2或者做为辅助阻尼机构2来提供相应的展平和闭合力，使折叠机的弯折手感达到要求。
示例性的，如果利用本申请的阻尼机构2作为转轴的主力阻尼机构2，可以设置多个本申请的阻尼机构2，多个阻尼机构2可以设置在轴外侧多个位置，具体设置方式参照如上的方案。
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 (31)

  1. 一种阻尼机构，其特征在于，包括：
    弹性件，所述弹性件包括第一引脚和第二引脚；
    第一固定件，所述第一固定件沿第一方向与所述第二引脚转动连接；
    第一摆动件，所述第一摆动件包括第一固定部和第一活动部，所述第一固定部沿所述第一方向与所述第一固定件转动连接；所述第一活动部沿所述第一方向与所述第一引脚转动连接；
    当所述第一固定件与所述第一摆动件之间进行转动时，所述弹性件产生的弹力作用于所述第一活动部与所述第一引脚转动连接的旋转中心，形成展开力或闭合力。
  2. 根据权利要求1所述的阻尼机构，其特征在于，所述第一固定件与所述第一固定部转动连接的旋转中心为第一旋转中心，所述第二引脚与所述第一固定件转动连接的旋转中心为第二旋转中心；
    所述第一旋转中心在参考平面的投影与所述第二旋转中心在所述参考平面的投影不交叠；
    其中，所述参考平面为垂直于第一方向的平面。
  3. 根据权利要求2所述的阻尼机构，其特征在于，所述第一引脚与所述第一活动部转动连接的旋转中心为第三旋转中心；
    当所述第一固定件与所述第一摆动件为第一预设夹角时，所述第三旋转中心在所述参考平面的投影位于所述第一旋转中心在所述参考平面的投影和所述第二旋转中心在所述参考平面的投影连接的延长线上时，所述第三旋转中心上无展平力或闭合力；
    当所述第一固定件与所述第一摆动件为第二预设角度时，所述第三旋转中心不位于所述第一旋转中心在所述参考平面的投影和所述第二旋转中心在所述参考平面的投影连接的延长线，以形成作用于所述第三旋转中心的展开力或闭合力。
  4. 根据权利要求1所述的阻尼机构，其特征在于，所述阻尼机构还包括限位滑块组件，所述第一摆动件的侧面沿第二方向开设有用于容置所述限位滑块组件的容纳凹槽；
    所述第一引脚沿所述第一方向与所述限位滑块组件转动连接；
    所述限位滑块组件沿所述第二方向与所述容纳凹槽滑动连接，以带动所述第一引脚沿所述第二方向移动；
    其中，所述第二方向垂直于所述第一方向。
  5. 根据权利要求4所述的阻尼机构，其特征在于，所述限位滑块组件包括带有第一滑槽的第一滑块和在所述第一滑槽内沿第二方向相对移动的限位件；所述限位件能够穿过所述容纳凹槽并与所述第一摆动件固定；所述第一滑槽包括封闭的环形面，沿所述第二方向，所述环形面包括第一点和与所述第一点相对最远设置的第二点，所述限位件在所述第一点与所述第二点之间移动；
    当所述第一摆动件与所述第一固定件之间的夹角为第三预设夹角时，所述限位件与所述第一点抵接；
    当所述第一摆动件与所述第一固定件之间的夹角由所述第三预设夹角到第四预设夹 角的过程中，所述限位件由所述第一点到所述第二点移动；
    当所述第一摆动件与所述第一固定件之间的夹角为所述第四预设夹角时，所述限位件与所述第二点接触或者分离。
  6. 根据权利要求5所述的阻尼机构，其特征在于，所述第一滑块用于与所述弹性件接触的一面开设有卡槽，所述卡槽用于限定所述第一引脚的旋转中心的安装位置。
  7. 根据权利要求6所述的阻尼机构，其特征在于，所述卡槽包括顺滑连接的第一内侧壁、内顶面和第二内侧壁，所述内顶面用于限定所述第一引脚在第三方向上的位移，所述第一内侧壁和所述第二内侧壁用于限定所述第一引脚在第一方向上的位移。
  8. 根据权利要求7所述的阻尼机构，其特征在于，所述限位滑块组件还包括锁紧件，所述第一滑块上用于与所述弹性件接触的一面设置有锁紧凸台，所述锁紧凸台沿第二方向开设有与所述锁紧件适配的锁紧孔，所述锁紧凸台位于所述内顶面上方，所述锁紧凸台的下缘面、所述内顶面和所述锁紧件共同形成用于限定所述第一引脚在第二方向上的位移。
  9. 根据权利要求1所述的阻尼机构，其特征在于，所述第一固定部包括沿第三方向向下凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽部，所述滑槽部位于所述凸起滑轨子部下方，并与所述凸起滑轨子部沿第二方向和第三方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
  10. 根据权利要求1所述的阻尼机构，其特征在于，所述第一固定部包括沿第三方向向下凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽部，所述滑槽部位于所述凸起滑轨子部上方，并与所述凸起滑轨子部沿第二方向和第三方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
  11. 根据权利要求1所述的阻尼机构，其特征在于，所述第一固定部包括沿第三方向向上凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽部，所述滑槽部位于所述凸起滑轨子部上方，并与所述凸起滑轨子部沿第二方向和第三方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
  12. 根据权利要求1所述的阻尼机构，其特征在于，所述第一固定部包括沿第三方向向上凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽部，所述滑槽部位于所述凸起滑轨子部下方，并与所述凸起滑轨子部沿第二方向和第三方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
  13. 根据权利要求9-12任一项所述的阻尼机构，其特征在于，所述第一固定件包括基座和盖板，所述盖板位于所述基座、所述第二引脚和所述第一固定部的上方，所述盖板与所述基座固定连接；所述基座包括所述滑槽部；所述盖板的边缘沿第一方向开设有安装孔，所述第二引脚与所述安装孔转动连接。
  14. 根据权利要求9-12任一项所述的阻尼机构，其特征在于，所述第一固定件包括基座，所述基座包括所述滑槽部，所述基座的边缘沿第一方向开设有安装孔，所述第二引脚与所述安装孔转动连接。
  15. 根据权利要求1所述的阻尼机构，其特征在于，所述弹性件包括扭簧或弹簧。
  16. 一种终端，其特征在于，包括权利要求1-15任一项所述的阻尼机构。
  17. 根据权利要求16所述的终端，其特征在于，还包括第一外壳、第二外壳、位于所述第一外壳与所述第二外壳之间的转轴组件，所述阻尼机构位于所述转轴组件的外侧，所述阻尼机构设置至少一个；
    所述第一摆动件与所述第一外壳连接，或者，所述第一摆动件与所述第二外壳连接；
    所述第一固定件位于所述第一外壳与所述第二外壳之间；或者，所述第一固定件与所述第一外壳为一体结构；或者，所述第一固定件与所述第二外壳为一体结构。
  18. 一种阻尼机构，其特征在于，包括：
    弹性件，所述弹性件包括第一引脚和第二引脚；
    第一固定件，所述第一固定件沿第一方向与所述第二引脚转动连接；
    第一摆动件，所述第一摆动件包括第一固定部和第一活动部，所述第一固定部沿所述第一方向与所述第一固定件转动连接；所述第一活动部沿所述第一方向与所述第一引脚转动连接；
    当所述第一固定件与所述第一摆动件之间进行转动时，所述弹性件产生的弹力作用于所述第一活动部与所述第一引脚转动连接的旋转中心，形成展开力或闭合力；
    所述第一固定件与所述第一固定部转动连接的旋转中心为第一旋转中心，所述第二引脚与所述第一固定件转动连接的旋转中心为第二旋转中心；
    所述第一旋转中心在参考平面的投影与所述第二旋转中心在所述参考平面的投影不交叠；
    其中，所述参考平面为垂直于第一方向的平面。
  19. 根据权利要求18所述的阻尼机构，其特征在于，所述第一引脚与所述第一活动部转动连接的旋转中心为第三旋转中心；
    当所述第一固定件与所述第一摆动件为第一预设夹角时，所述第三旋转中心在所述参考平面的投影位于所述第一旋转中心在所述参考平面的投影和所述第二旋转中心在所述参考平面的投影连接的延长线上时，所述第三旋转中心上无展平力或闭合力；
    当所述第一固定件与所述第一摆动件为第二预设角度时，所述第三旋转中心不位于所述第一旋转中心在所述参考平面的投影和所述第二旋转中心在所述参考平面的投影连接的延长线，以形成作用于所述第三旋转中心的展开力或闭合力。
  20. 根据权利要求18所述的阻尼机构，其特征在于，所述阻尼机构还包括限位滑块组件，所述第一摆动件的侧面沿第二方向开设有用于容置所述限位滑块组件的容纳凹槽；
    所述第一引脚沿所述第一方向与所述限位滑块组件转动连接；
    所述限位滑块组件沿所述第二方向与所述容纳凹槽滑动连接，以带动所述第一引脚沿所述第二方向移动；
    其中，所述第二方向垂直于所述第一方向。
  21. 根据权利要求20所述的阻尼机构，其特征在于，所述限位滑块组件包括带有第一滑槽的第一滑块和在所述第一滑槽内沿第二方向相对移动的限位件；所述限位件能够穿过所述容纳凹槽并与所述第一摆动件固定；所述第一滑槽包括封闭的环形面，沿所述 第二方向，所述环形面包括第一点和与所述第一点相对最远设置的第二点，所述限位件在所述第一点与所述第二点之间移动；
    当所述第一摆动件与所述第一固定件之间的夹角为第三预设夹角时，所述限位件与所述第一点抵接；
    当所述第一摆动件与所述第一固定件之间的夹角由所述第三预设夹角到第四预设夹角的过程中，所述限位件由所述第一点到所述第二点移动；
    当所述第一摆动件与所述第一固定件之间的夹角为所述第四预设夹角时，所述限位件与所述第二点接触或者分离。
  22. 根据权利要求21所述的阻尼机构，其特征在于，所述第一滑块用于与所述弹性件接触的一面开设有卡槽，所述卡槽用于限定所述第一引脚的旋转中心的安装位置。
  23. 根据权利要求22所述的阻尼机构，其特征在于，所述卡槽包括顺滑连接的第一内侧壁、内顶面和第二内侧壁，所述内顶面用于限定所述第一引脚在第三方向上的位移，所述第一内侧壁和所述第二内侧壁用于限定所述第一引脚在第一方向上的位移。
  24. 根据权利要求23所述的阻尼机构，其特征在于，所述限位滑块组件还包括锁紧件，所述第一滑块上用于与所述弹性件接触的一面设置有锁紧凸台，所述锁紧凸台沿第二方向开设有与所述锁紧件适配的锁紧孔，所述锁紧凸台位于所述内顶面上方，所述锁紧凸台的下缘面、所述内顶面和所述锁紧件共同形成用于限定所述第一引脚在第二方向上的位移。
  25. 根据权利要求18所述的阻尼机构，其特征在于，所述第一固定部包括沿第三方向向下凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽部，所述滑槽部位于所述凸起滑轨子部下方，并与所述凸起滑轨子部沿第二方向和第三方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
  26. 根据权利要求18所述的阻尼机构，其特征在于，所述第一固定部包括沿第三方向向下凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽部，所述滑槽部位于所述凸起滑轨子部上方，并与所述凸起滑轨子部沿第二方向和第三方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
  27. 根据权利要求18所述的阻尼机构，其特征在于，所述第一固定部包括沿第三方向向上凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽部，所述滑槽部位于所述凸起滑轨子部上方，并与所述凸起滑轨子部沿第二方向和第三方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
  28. 根据权利要求18所述的阻尼机构，其特征在于，所述第一固定部包括沿第三方向向上凸出设置的凸起滑轨子部，所述第一固定件上设置有与所述凸起滑轨子部适配的滑槽部，所述滑槽部位于所述凸起滑轨子部下方，并与所述凸起滑轨子部沿第二方向和第三方向相对固定设置，与所述凸起滑轨子部沿第一方向转动连接。
  29. 根据权利要求25-28任一项所述的阻尼机构，其特征在于，所述第一固定件包括基座和盖板，所述盖板位于所述基座、所述第二引脚和所述第一固定部的上方，所述盖板与所述基座固定连接；所述基座包括所述滑槽部；所述盖板的边缘沿第一方向开设有安装孔，所述第二引脚与所述安装孔转动连接。
  30. 根据权利要求25-28任一项所述的阻尼机构，其特征在于，所述第一固定件包括基座，所述基座包括所述滑槽部，所述基座的边缘沿第一方向开设有安装孔，所述第二引脚与所述安装孔转动连接。
  31. 根据权利要求18所述的阻尼机构，其特征在于，所述弹性件包括扭簧或弹簧。
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