WO2018059357A1 - 旋转部品的铰链及移动终端 - Google Patents

旋转部品的铰链及移动终端 Download PDF

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Publication number
WO2018059357A1
WO2018059357A1 PCT/CN2017/103231 CN2017103231W WO2018059357A1 WO 2018059357 A1 WO2018059357 A1 WO 2018059357A1 CN 2017103231 W CN2017103231 W CN 2017103231W WO 2018059357 A1 WO2018059357 A1 WO 2018059357A1
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WO
WIPO (PCT)
Prior art keywords
cam
rotating
hinge
rotating bracket
rotating shaft
Prior art date
Application number
PCT/CN2017/103231
Other languages
English (en)
French (fr)
Inventor
程冠伦
Original Assignee
杭州安费诺飞凤通信部品有限公司
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
Priority claimed from CN201610871836.8A external-priority patent/CN106438672B/zh
Priority claimed from CN201621098921.7U external-priority patent/CN206206389U/zh
Application filed by 杭州安费诺飞凤通信部品有限公司 filed Critical 杭州安费诺飞凤通信部品有限公司
Priority to JP2019515592A priority Critical patent/JP6752363B2/ja
Priority to EP17854807.9A priority patent/EP3521646B1/en
Priority to US16/337,284 priority patent/US10655373B2/en
Priority to KR1020197009454A priority patent/KR102084377B1/ko
Publication of WO2018059357A1 publication Critical patent/WO2018059357A1/zh

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Classifications

    • 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
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/02—Hinges with pins with one pin
    • 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
    • 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
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • G06F1/166—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories related to integrated arrangements for adjusting the position of the main body with respect to the supporting surface, e.g. legs for adjusting the tilt angle
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/422—Function thereof for opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/638—Cams; Ramps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00—Subject-matter not otherwise provided for in this subclass
    • 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

Definitions

  • the utility model relates to a mobile terminal and a hinge thereof, and the mobile terminal can be an electronic product such as a notebook computer, a pad, a mobile phone and a game machine.
  • brackets are arranged, and more requirements are placed on the manner of movement of the brackets.
  • the first technical problem to be solved by the present invention is to provide a hinge for a rotating part that can be connected in a mobile terminal to provide independent movement or linkage functions of a plurality of rotating bodies.
  • the utility model adopts the following technical solutions:
  • a hinge for a rotating part comprising a rotating shaft, characterized in that it comprises:
  • the first cam is coupled to the first rotating bracket for synchronous rotation, and the first cam is axially positioned outside the rotating shaft and can be rotated about the rotating shaft;
  • a second cam is coupled to the second rotating bracket for synchronous rotation, and the second cam sleeve is disposed outside the rotating shaft and is rotatable about the rotating shaft and sliding along the rotating shaft;
  • the fixed cam is fixed on the rotating shaft and cannot be displaced, and rotates together with the rotating shaft;
  • the sliding cam sleeve is disposed outside the rotating shaft, rotates together with the rotating shaft and can slide along the rotating shaft;
  • the first cam and the second cam are respectively disposed outside the two ends of the sliding cam and cooperate with the sliding cam, and the two ends of the sliding cam respectively have a first cam structure engaged with the first cam and a second cam Second cam structure;
  • the second cam is provided with a third cam structure that cooperates with the fixed cam and a fourth cam structure that cooperates with the second cam structure of the sliding cam;
  • the hinge is further provided with a spring for applying a thrust to the second cam toward the sliding cam direction;
  • the second rotating bracket provides a locking force of the hinge by virtue of a spring biasing the second cam and a cooperation of the third cam structure and the fixed cam when the hinge is in the closed state.
  • the side of the sliding cam adjacent to the first cam is slidably coupled to the rotating shaft, and the side of the sliding cam adjacent to the second cam has a space for accommodating the fixed cam, and when the hinge is in a closed state, the fixed cam is In the space.
  • a torque mechanism is disposed between the first rotating bracket and the rotating shaft to provide a function that the first rotating bracket stops rotating at any time and maintains a turning angle.
  • the first rotating bracket is connected with a friction sleeve sleeved outside the rotating shaft, and the friction sleeve cooperates with the rotating shaft to provide the function that the first rotating bracket stops rotating at any time to maintain the turning angle.
  • the second cam is provided with an extension sleeve, and the extension sleeve is slidably and rotationally engaged with the shaft, and the spring sleeve is outside the extension sleeve.
  • the hinge is provided with a casing, the spring and the second cam are located in the casing, the casing and the second rotating bracket are fixedly connected, and the second cam and the casing are slidably connected but cannot rotate relative to each other.
  • the third cam structure and the fourth cam structure of the second cam are respectively located on end faces of concentric rings having different radii on the second cam, and the third cam structure is on the end face of the outer ring of the second cam, the fourth cam structure On the end face of the ring on the inner side of the outer ring, the cooperation of the second cam with the slide cam and the cooperation of the second cam with the fixed cam are switched at different stages of opening and closing of the hinge.
  • the hinge has a critical angle, a maximum opening angle of the second rotating bracket, and a maximum opening angle of the first rotating bracket; the first critical angle is smaller than the maximum opening angle of the first bracket, and the maximum opening angle of the first rotating bracket is smaller than the maximum opening angle of the second rotating bracket. ;
  • the second rotating bracket is driven by the rotation of the first rotating bracket and thereby drives the second cam to rotate, and at the same time, the second cam climbs along the fixed cam, so that When the two cams rotate, slide away from the first cam to compress the spring;
  • the spring is automatically opened to a maximum opening angle by the thrust of the spring and the cooperation of the third cam structure and the fixed cam;
  • the first cam and the first cam structure After the critical angle, the first cam and the first cam structure have a slot and an insertion portion interposed between each other and allowing the first cam to rotate by a certain angle, the certain angle being the maximum opening angle and the critical angle of the first rotating bracket Difference
  • the sliding of the second cam causes the sliding cam to slide toward the first cam, and the insertion portion falls into the slot;
  • the first cam slides the sliding cam toward the second cam during the rotation, and is coordinated by the fourth cam structure and the second cam structure and the third Cooperating with the cam structure and the fixed cam to rotate the second cam toward the closing direction at a speed faster than the first rotating bracket to a critical angle and sliding away from the first cam to compress the spring;
  • the cooperation of the third cam structure and the fixed cam is a cooperation of the groove and the bump.
  • Another technical problem to be solved by the present invention is to provide a mobile terminal to which the above hinge is applied.
  • the utility model adopts the following technical solutions:
  • a mobile terminal comprising a first body and a second body rotatably connected, wherein the mobile terminal is further provided with any one of the above hinges, wherein the rotating shaft is connected to the first body, and the second The main body is coupled to the first rotating bracket.
  • the hinge part of the rotary part provided by the present invention has a simple hinge structure and is easy to assemble, and can connect the third rotating body in addition to the two relatively rotatable bodies, and can realize the first
  • the two rotating bodies and the third rotating body are independently rotated and linked according to the designed rotation program and can realize the self-locking of the hinge.
  • the hinge of the utility model can be applied to the connection of various three rotating bodies, and is especially suitable for connecting the bracket, the keyboard and the screen in the mobile terminal, and the opening and closing operation is convenient, and the mobile terminal is provided in the working angle range to provide stable support.
  • FIG. 1 is a schematic view showing a hinge embodiment provided by the present invention in a closed state when applied to a mobile terminal.
  • FIG. 2 is a schematic view of the hinge assembly according to the present invention when the second rotating bracket and the first rotating bracket are both at their maximum opening angles when applied to the mobile terminal.
  • FIG. 3 is a schematic view showing the second rotating bracket and the first rotating bracket transparently in the state shown in FIG. 2.
  • FIG. 4 is an exploded view of an embodiment of a hinge provided by the present invention.
  • Figure 5 is a schematic view of the second cam.
  • Figure 6 is a schematic view of a fixed cam.
  • Figure 7 is a cross-sectional view of the hinge provided by the present invention when both the first rotating bracket and the second rotating bracket are at the maximum opening angle.
  • FIG. 8 is a schematic view of the hinge embodiment provided by the present invention, in a closed state, after the first rotating bracket and the second rotating bracket are hidden.
  • Fig. 9 is a schematic view showing the hinge after the sliding cam is hidden in the state shown in Fig. 8.
  • FIG. 10 is a schematic view of the hinge embodiment provided by the present invention after the first bracket is rotated to a critical angle, and the first rotating bracket and the second rotating bracket are hidden.
  • Figure 11 is a schematic view of the hinge after the sliding cam is hidden in the state shown in Figure 10.
  • FIG. 12 is a hinge embodiment provided by the present invention, when the first rotating bracket is rotated to a critical angle, when the second rotating bracket is opened to the maximum opening angle, the first rotating bracket and the second rotating bracket are hidden schematic diagram.
  • Fig. 13 is a schematic view showing the hinge after the sliding cam is hidden in the state shown in Fig. 12.
  • FIG. 14 is a schematic view showing the embodiment of the hinge provided by the present invention, after the first rotating bracket is rotated to the maximum opening angle based on the state shown in FIG. 12, and the first rotating bracket and the second rotating bracket are hidden.
  • Fig. 15 is a schematic view showing the hinge after the sliding cam is hidden in the state shown in Fig. 14.
  • FIG. 16 is a schematic view of the embodiment of the hinge provided by the present invention, in the closing process, when the first rotating bracket is rotated back to a critical angle, the first rotating bracket and the second rotating bracket are hidden.
  • Fig. 17 is a schematic view showing the hinge after the sliding cam is hidden in the state shown in Fig. 16.
  • Figure 18 is a schematic view of the hinge embodiment of the present invention, in the closing process, when the first rotating bracket is turned back to close, the first rotating bracket and the second rotating bracket are hidden, and at this time, the second rotating bracket Also turned back to near the critical angle.
  • Fig. 19 is a schematic view showing the hinge after the sliding cam is hidden in the state shown in Fig. 18.
  • Figure 20 is a schematic view of the embodiment of the hinge provided by the present invention, in the closing process, when the first rotating bracket is turned back to close, the first rotating bracket and the second rotating bracket are hidden, and at this time, the second rotating bracket rotates Go back to just the critical angle.
  • Fig. 21 is a schematic view showing the hinge after the sliding cam is hidden in the state shown in Fig. 20.
  • the hinge of the rotating part provided by the utility model comprises a rotating shaft 5, and:
  • the first cam 1 is coupled to the first rotating bracket 100 for synchronous rotation.
  • the first cam 1 is axially positioned outside the rotating shaft 5 and can be rotated about the rotating shaft.
  • the axial positioning can be utilized on the rotating shaft.
  • a step and a limit connecting member 11 connectable to the rotating shaft;
  • the second cam 2 is connected to the second rotating bracket 200 to rotate synchronously.
  • the second cam 2 is sleeved outside the rotating shaft and can rotate about the rotating shaft 5 and slide along the rotating shaft 5, and the round holes can be matched with each other;
  • the fixed cam 3 is fixed on the rotating shaft 5 and can not be displaced, and rotates together with the rotating shaft 5, and can adopt a method such as a pin 31 and a rotating shaft connection or an interference fit connection;
  • a sliding cam 4 which is sleeved outside the rotating shaft 5, rotates together with the rotating shaft 5 and can slide axially along the rotating shaft, and the sliding cam 4 can be slidably connected to the rotating shaft 5 through the flat hole;
  • the first cam 1 and the second cam 2 are respectively disposed outside the two ends of the slide cam 4 and cooperate with the slide cam 4, and the two ends of the slide cam 4 respectively have a first cam structure 41 that cooperates with the first cam 1. And a second cam structure 42 that cooperates with the second cam 2;
  • the second cam 2 is provided with a third cam structure 23 that cooperates with the fixed cam 3 and a fourth cam structure 24 that cooperates with the second cam structure 42 of the sliding cam 4;
  • the hinge is further provided with a spring 6 for applying a thrust to the second cam 2 in the direction of the sliding cam 4;
  • the thrust of the second cam 2 by the spring 6 and the cooperation of the third cam structure 23 and the fixed cam 3 cause the second cam 2 to have a direction of closing toward the second rotating bracket 200.
  • the tendency of the rotation, the second rotating bracket 200 has a downward pressure on the first rotating bracket 100 to provide the locking force of the hinge.
  • the hinge is provided with a casing 7, the spring 6 and the second cam 2 are located in the casing, the casing 7 and the second rotating bracket 200 are fixedly connected, and the second cam 2 and the casing 7 are slidably connected But cannot rotate relative to each other
  • the two cams 2 are connected by the outer casing 7 and the second rotating bracket 200, and the second cam 2 is slidable relative to the outer casing 7.
  • One end of the rotating shaft 5 passes through the outer casing 7 and is supported on the outer casing 7.
  • the sliding cam 4 is slidably coupled to the rotating shaft 5 on the side close to the first cam 1, the side of the sliding cam 4 adjacent to the second cam 2 having a space 43 for accommodating the fixed cam 3, the hinge being closed In the state, the fixed cam 3 is in the space 43.
  • a torque mechanism is disposed between the first rotating bracket 100 and the rotating shaft 5, and the torque mechanism can adopt a friction mechanism, including a friction sleeve 8.
  • the first rotating bracket 100 is connected to the friction sleeve 8 sleeved outside the rotating shaft 5.
  • the friction sleeve 8 cooperates with the rotating shaft 5 to provide the function that the first rotating bracket 100 stops rotating at any time to maintain the turning angle.
  • the second cam 2 is provided with an elongated sleeve 20 which is slidably and rotationally engaged with the rotating shaft 5 to increase the stability of the second cam 2, and the spring 6 is sleeved outside the elongated sleeve 20.
  • the third cam structure 23 and the fourth cam structure 24 on the second cam 2 are respectively located on the end faces of the concentric rings of different radii on the second cam, and the third cam structure 23 is on the end face of the outer ring of the second cam
  • the fourth cam structure 24 is on the end face of the ring on the inner side of the outer ring, and the cooperation of the second cam 2 and the slide cam 4 and the cooperation of the second cam 2 and the fixed cam 3 are switched at different stages of opening and closing of the hinge, At a certain stage, the third cam structure 23 and the fixed cam 3 cooperate and the slide cam 4 does not act on the second cam 2.
  • the fixed cam 3 and the slide cam 4 work together, and the third cam at this stage
  • the structure 23 is engaged with the fixed cam 3 and the second cam 2 structure and the fourth cam structure are also mated. If necessary, the second cam structure 2 and the fourth cam structure can be engaged at a certain stage, and the fixed cam 3 does not function.
  • the second rotating bracket 200 is rotated in accordance with a designed procedure.
  • the first cam 1, the second cam 2, the fixed cam 3, and the slide cam 4 can be designed with their cam surfaces in accordance with different target programs.
  • the second rotating bracket 200 has both the synchronous opening function with the first rotating bracket 100, and the second rotating bracket 200 automatically opens and opens when the first rotating bracket 100 is opened to a certain angle (critical angle).
  • the optimal support angle and after the second rotating bracket 200 is automatically opened and opened to the optimal supporting angle, the first rotating bracket 100 can freely rotate within a certain angle range without affecting the second rotating bracket 200, when the first rotating bracket When the 100 turns to the critical angle, the second rotating bracket 200 can be automatically rotated and recovered, and springs back at the final stage to provide the closing locking force of the hinge.
  • the hinge has a critical angle, a maximum opening angle of the second rotating bracket 200, and a first turn The maximum opening angle of the movable bracket 100; the first critical angle is smaller than the maximum opening angle of the first bracket, and the maximum opening angle of the first rotating bracket is smaller than the maximum opening angle of the second rotating bracket.
  • the critical angle may be an acute angle between 45° and 90°, corresponding to a minimum common usage angle (such as a minimum common use angle relative to the keyboard when the screen is opened, such as 75°), and the first rotating bracket 100 is the largest.
  • the opening angle may be between an obtuse angle, corresponding to a maximum common use angle (such as a maximum common use angle of the keyboard when the screen is opened, such as 135°), and the maximum opening angle of the second rotating bracket 200 is an optimal supporting angle. For example, slightly over 180°.
  • the second rotating bracket 200 is driven by the rotation of the first rotating bracket 100 and thereby drives the second cam 2 to rotate, while the second cam 2 follows the fixed cam. 3 climbing, causing the second cam to slide away from the first cam when rotating, compressing the spring 6; in the process, the sliding cam 4 does not act on the first cam 1 and the second cam 2;
  • the critical angle is reached, the engagement of the bump 21 of the third cam structure 23 with the bump 34 of the fixed cam 3.
  • the thrust of the spring 6 and the cooperation of the third cam structure 23 and the fixed cam 3 automatically pop open to the maximum opening angle, and the maximum opening angle corresponds to the first opening angle.
  • the maximum rotation angle of the two rotating brackets 200, the cam of the process cooperates with the cooperation of the bumps 21 and the inclined surfaces 32 to guide the rotation of the second cam 2 (the second rotating bracket 200) while the second cam 2 is pushed by the spring 6 toward the first
  • the cam 1 slides and drives the sliding cam 4 to slide toward the first cam 1; at the maximum opening angle of the second rotating bracket, the cooperation of the third cam structure 23 and the fixed cam 3 may be the groove 31 and the bump 21 Fit to provide support lock at the maximum angle.
  • the first cam 1 and the first cam structure 41 After the critical angle, the first cam 1 and the first cam structure 41 have a slot 44 and an insertion portion 11 interposed between each other and allowing the first cam 1 to rotate by a certain angle, the certain angle being the maximum opening of the first rotating bracket
  • the difference between the angle and the critical angle, within which the first cam 1 and the first cam structure 41 are the engagement of the tip 12 with the plane 45, the two do not interact, and the first cam does not push the sliding cam to slide.
  • the sliding cam 4 is slid toward the first cam 1 by the pushing of the second cam 2, and the insertion portion 11 falls into the groove 44.
  • the first cam 1 pushes the sliding cam 4 to slide in the direction of the second cam 2 during the rotation, and the cooperation of the first cam 1 and the first cam structure 41 Can be bevel 13 mating of the inclined surface 46; and, by the cooperation of the fourth cam structure 24 and the second cam structure 42, and the cooperation of the third cam structure 23 and the fixed cam 3, the second cam 2 is oriented faster than the first rotation toward the closing direction
  • the speed of the bracket 100 is rotated to a critical angle and the spring is slid in a direction away from the first cam 1, the engagement of the fourth cam structure 24 and the second cam structure 42 and the third cam structure 23 and the fixed cam 3 may be convex
  • the point 21 is matched with the inclined surface 32 and the matching inclined surface 42, and the heights of the bumps of the fourth cam structure 24 and the third cam structure 23 are the same, that is, the bumps 21.
  • the thrust of the spring 6 and the cooperation of the third cam structure 23 and the fixed cam 3 or the fourth cam structure 24 and the second cam structure 42 are automatically Rotating to close and pushing the second cam to slide in the direction of the first cam, at this time, the engagement of the bump 21 with the inclined surface 33 or the inclined surface 47 to guide the rotation of the second cam 2 (the second rotating bracket 200), the inclined surface 47 can not only It acts as a bit and can also transfer the locking pressure to the first cam.
  • the utility model can be applied to various mobile terminals in the fields of a bracket for a communication device, a tablet computer and a notebook computer, a two-in-one electric power, a PAD and an IPAD support frame rotating shaft.
  • the mobile terminal includes a first body 300 and a second body 400 that are rotatably connected.
  • the rotating shaft 5 is coupled to the first body 300 via a fixing plate 50 thereon.
  • the first body is provided with a keyboard, and the second body 400 is a PAD, and a screen is set.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Telephone Set Structure (AREA)

Abstract

一种旋转部品的铰链，包括第一凸轮（1）、第二凸轮（2）、固定凸轮（3）、滑动凸轮（4）、弹簧（6），还提供了应用该铰链的移动终端。该铰链结构简单、易于装配，能够在两个可相对转动的主体之外再连接第三个转动主体，且依照需要能够实现第二转动主体和第三转动主体按设计的转动程序独立转动和联动并能实现铰链的自锁。该铰链适用于各种三转动体的连接，尤其适用于移动终端中连接支架、键盘和屏幕，打开闭合操作方便，在移动终端处于打开工作角度范围内，提供稳固支撑。

Description

旋转部品的铰链及移动终端 技术领域
本实用新型涉及移动终端及其铰链，所述移动终端可以是笔记本电脑、pad、手机、游戏机等电子产品。
背景技术
目前，对于诸如笔记本电脑、平板电脑等便携式电子产品，为了支撑稳固，很多都配置支架，并且，对支架的运动方式也提出了更多的要求。
发明内容
本实用新型首先所要解决的技术问题是提供一种旋转部品的铰链，其能够连接在移动终端中，提供多个转动体的独立运动或联动功能。为此，本实用新型采用以下技术方案：
旋转部品的铰链，包括转轴，其特征在于它包括：
第一凸轮，和第一转动支架连接而同步转动，所述第一凸轮被轴向定位地套在转轴外并能以转轴为轴转动；
第二凸轮，和第二转动支架连接而同步转动，所述第二凸轮套在转轴外并能以转轴为轴转动及沿转轴滑动；
固定凸轮，所述固定凸轮固定在所述转轴上不能位移，和转轴一起转动；
滑动凸轮，所述滑动凸轮套在转轴外，和转轴一起转动并能沿转轴滑动；
所述第一凸轮和第二凸轮分处在滑动凸轮的两端外并与滑动凸轮配合，所述滑动凸轮的两端分别有与第一凸轮配合的第一凸轮结构和与第二凸轮配合的第二凸轮结构；
所述第二凸轮设置有与固定凸轮配合的第三凸轮结构和与滑动凸轮第二凸轮结构配合的第四凸轮结构；
所述铰链还设置有弹簧，所述弹簧用于向着滑动凸轮方向对第二凸轮施加推力；
在所述铰链处在闭合状态下时，所述第二转动支架依靠弹簧对第二凸轮的推力和所述第三凸轮结构和固定凸轮的配合而提供所述铰链的锁紧力。
在采用上述技术方案的基础上，本实用新型还可同时采用以下进一步的技术方案或对这 些进一步的技术方案组合使用：
所述滑动凸轮靠近第一凸轮的这一侧和转轴滑动连接，所述滑动凸轮靠近第二凸轮的这一侧具有容纳所述固定凸轮的空间，在铰链处于闭合状态时，所述固定凸轮处在所述空间中。
所述第一转动支架与所述转轴之间设置扭矩机构，以提供第一转动支架随时停止转动随时保持转动角度的功能。
所述第一转动支架连接套在转轴外的摩擦套，所述摩擦套和转轴配合，以提供第一转动支架随时停止转动随时保持转动角度的功能。
所述第二凸轮设置有加长套，所述加长套和转轴滑动和转动配合，且所述弹簧套在加长套外。
所述铰链设置有外壳，所述弹簧、第二凸轮处在所述外壳内，所述外壳和第二转动支架固定连接，所述第二凸轮和所述外壳滑动连接但不能相对转动。
所述第二凸轮的第三凸轮结构及第四凸轮结构分别处在第二凸轮上的半径不同的同心环端面上，第三凸轮结构处在第二凸轮外环的端面上，第四凸轮结构处在外环内侧的环的端面上，在所述铰链打开和闭合的不同阶段切换第二凸轮与滑动凸轮的配合和第二凸轮与固定凸轮的配合。
所述铰链具有临界角度、第二转动支架最大打开角度、第一转动支架最大打开角度；第一临界角度小于第一支架最大打开角度，第一转动支架最大打开角度小于第二转动支架最大打开角度；
自铰链闭合状态到第一转动支架转动到临界角度过程中，第二转动支架由第一转动支架的转动带动并由此带动第二凸轮转动，同时，第二凸轮顺着固定凸轮爬升，使第二凸轮在转动时，向远离第一凸轮的方向滑动，压缩所述弹簧；
所述第二转动支架在打开过程中转动到临界角度后，由所述弹簧的推力及第三凸轮结构和固定凸轮的配合而自动弹开到最大打开角度；
对应临界角度之后，第一凸轮和第一凸轮结构之间具有互相插入并允许第一凸轮转动一定的角度的槽和插入部位，所述一定的角度为第一转动支架最大打开角度和临界角度的差值； 当第一转动支架打开过程超过临界角度继续转动时，由第二凸轮的推动，使滑动凸轮滑向第一凸轮，插入部位落入槽中；
所述第一转动支架在从临界角度转动到闭合的过程中，第一凸轮在转动过程中推动滑动凸轮向着第二凸轮方向滑动，并且由第四凸轮结构和第二凸轮结构的配合以及第三凸轮结构和固定凸轮的配合而使第二凸轮向着闭合方向以快于第一转动支架的速度转动到临界角度以及向着远离第一凸轮的方向滑动而压缩所述弹簧；
所述第二转动支架在闭合过程中转动到临界角度后，由所述弹簧的推力及第三凸轮结构和固定凸轮或第四凸轮结构和第二凸轮结构的配合而自动转动到闭合并推动第二凸轮向着第一凸轮方向滑动。
对应第二转动支架最大转动角度，所述第三凸轮结构和固定凸轮的配合为凹槽与凸点的配合。
本实用新型另一个所要解决的技术问题是提供一种应用上述铰链的移动终端。为此，本实用新型采用以下技术方案：
一种移动终端，包括转动连接的第一主体、第二主体，其特征在于所述移动终端还设有上述的任意一种铰链，其中，所述转轴连接在第一主体上，所述第二主体和第一转动支架连接。
由于采用本实用新型的技术方案，本实用新型所提供的旋转部品的铰链结构简单、易于装配，能够在两个可相对转动的主体之外再连接第三个转动主体，且依照需要能够实现第二转动主体和第三转动主体按设计的转动程序独立转动和联动并能实现铰链的自锁。本实用新型铰链能够适用于各种三转动体的连接，尤其适用于移动终端中连接支架、键盘和屏幕，打开闭合操作方便，在移动终端处于打开工作角度范围内，提供稳固支撑。
附图说明
图1为本实用新型所提供的铰链实施例应用于移动终端时处于闭合状态的示意图。
图2为本实用新型所提供的铰链实施例应用于移动终端时第二转动支架和第一转动支架均处于其最大打开角度时的示意图。
图3为图2所示状态时透明显示第二转动支架和第一转动支架的示意图。
图4为本实用新型所提供的铰链实施例的爆炸图。
图5为第二凸轮的示意图。
图6为固定凸轮的示意图。
图7为在第一转动支架和第二转动支架均处于最大打开角度时，本实用新型所提供的铰链的剖视图。
图8为本实用新型所提供的铰链实施例在处于闭合状态下，隐去第一转动支架和第二转动支架后的示意图。
图9为图8所示状态下再隐去滑动凸轮后的铰链示意图。
图10为本实用新型所提供的铰链实施例在处于第一支架转动到刚过临界角度时，隐去第一转动支架和第二转动支架后的示意图。
图11为图10所示状态下再隐去滑动凸轮后的铰链示意图。
图12为本实用新型所提供的铰链实施例在处于第一支架转动到刚过临界角度时，第二转动支架弹开到最大打开角度时，隐去第一转动支架和第二转动支架后的示意图。
图13为图12所示状态下再隐去滑动凸轮后的铰链示意图。
图14为本实用新型所提供的铰链实施例在图12所示状态的基础上第一转动支架转动到最大打开角度时，隐去第一转动支架和第二转动支架后的示意图。
图15为图14所示状态下再隐去滑动凸轮后的铰链示意图。
图16为本实用新型所提供的铰链实施例在闭合过程中，第一转动支架转回到刚小于临界角度时，隐去第一转动支架和第二转动支架后的示意图。
图17为图16所示状态下再隐去滑动凸轮后的铰链示意图。
图18为本实用新型所提供的铰链实施例在闭合过程中，第一转动支架转回到接近闭合时，隐去第一转动支架和第二转动支架后的示意图，此时，第二转动支架也转回到接近临界角度。
图19为图18所示状态下再隐去滑动凸轮后的铰链示意图。
图20为本实用新型所提供的铰链实施例在闭合过程中，第一转动支架转回到闭合时，隐去第一转动支架和第二转动支架后的示意图，此时，第二转动支架转回到刚过临界角度。
图21为图20所示状态下再隐去滑动凸轮后的铰链示意图。
具体实施方式
参照附图。本实用新型所提供的旋转部品的铰链，包括转轴5，以及：
第一凸轮1，和第一转动支架100连接而同步转动，所述第一凸轮1被轴向定位地套在转轴5外并能以转轴为轴转动，所述轴向定位可以利用转轴上的台阶及可与转轴装配连接的限位连接件11；
第二凸轮2，和第二转动支架200连接而同步转动，所述第二凸轮2套在转轴外并能以转轴5为轴转动及沿转轴5滑动，它们之间可圆孔间隙配合；
固定凸轮3，所述固定凸轮3固定在所述转轴5上不能位移，和转轴5一起转动，其可采用销钉31和转轴连接或过盈配合连接等手段；
滑动凸轮4，所述滑动凸轮4套在转轴5外，和转轴5一起转动并能沿转轴轴向滑动，所述滑动凸轮4可通过扁孔和转轴5滑动连接；
所述第一凸轮1和第二凸轮2分处在滑动凸轮4的两端外并与滑动凸轮4配合，所述滑动凸轮4的两端分别有与第一凸轮1配合的第一凸轮结构41和与第二凸轮2配合的第二凸轮结构42；
所述第二凸轮2设置有与固定凸轮3配合的第三凸轮结构23和与滑动凸轮4第二凸轮结构42配合的第四凸轮结构24；
所述铰链还设置有弹簧6，所述弹簧6用于向着滑动凸轮4方向对第二凸轮2施加推力；
在所述铰链处在闭合状态下时，依靠弹簧6对第二凸轮2的推力和所述第三凸轮结构23和固定凸轮3的配合，使得第二凸轮2有向着第二转动支架200闭合方向转动的趋势，第二转动支架200对第一转动支架100具有下压力而提供所述铰链的锁紧力。
所述铰链设置有外壳7，所述弹簧6、第二凸轮2处在所述外壳内，所述外壳7和第二转动支架200固定连接，所述第二凸轮2和所述外壳7滑动连接但不能相对转动，使得所述第 二凸轮2通过所述外壳7和所述第二转动支架200连接，而所述第二凸轮2又能相对外壳7滑动。所述转轴5的一端穿过所述外壳7并支撑在外壳7上。
所述滑动凸轮4在靠近第一凸轮1的这一侧和转轴5滑动连接，所述滑动凸轮4靠近第二凸轮2的这一侧具有容纳所述固定凸轮3的空间43，在铰链处于闭合状态时，所述固定凸轮3处在所述空间43中。
所述第一转动支架100与所述转轴5之间设置扭矩机构，所述扭矩机构可采用摩擦机构，包括摩擦套8，所述第一转动支架100连接套在转轴5外的摩擦套8，所述摩擦套8和转轴5配合，以提供第一转动支架100随时停止转动随时保持转动角度的功能。
所述第二凸轮2设置有加长套20，所述加长套20和转轴5滑动和转动配合，以增加第二凸轮2的稳定性，且所述弹簧6套在加长套20外。
所述第二凸轮2上的第三凸轮结构23及第四凸轮结构24分别处在第二凸轮上的半径不同的同心环端面上，第三凸轮结构23处在第二凸轮外环的端面上，第四凸轮结构24处在外环内侧的环的端面上，在所述铰链打开和闭合的不同阶段切换第二凸轮2与滑动凸轮4的配合和第二凸轮2与固定凸轮3的配合，在某一阶段是第三凸轮结构23和固定凸轮3配合而滑动凸轮4对第二凸轮2不起作用，在某一阶段是固定凸轮3和滑动凸轮4共同起作用，在该阶段第三凸轮结构23和固定凸轮3配合并且第二凸轮2结构和第四凸轮结构也在配合，如需要，还可以在某个阶段第二凸轮结构2和第四凸轮结构配合而固定凸轮3不起作用，实现第二转动支架200按照设计的程序转动。
第一凸轮1、第二凸轮2、固定凸轮3、滑动凸轮4可以按照不同的目标程序设计其凸轮曲面。比如，可以实现：使第二转动支架200既具有与第一转动支架100同步打开功能，又能在第一转动支架100打开到一定角度(临界角度)时第二转动支架200自动弹开打开到最佳支撑角度，且在第二转动支架200自动弹开打开到最佳支撑角度后，第一转动支架100能在一定角度范围内自由转动而不影响第二转动支架200，当第一转动支架100回转到临界角度时，第二转动支架200能够自动转动回收，并在最后阶段弹回而提供所述铰链的闭合锁紧力。在该类凸轮配合中，所述铰链具有临界角度、第二转动支架200最大打开角度、第一转 动支架100最大打开角度；第一临界角度小于第一支架最大打开角度，第一转动支架最大打开角度小于第二转动支架最大打开角度。
所述临界角度可以为介于45°到90°的某个锐角，对应最小常用使用角度(比如屏幕打开时相对于键盘的最小常用使用角度，比如75°)，所述第一转动支架100最大打开角度可以为介于某个钝角，对应最大常用使用角度(比如屏幕的打开时相对于键盘的最大常用使用角度，比如135°)，所述第二转动支架200最大打开角度为最佳支撑角度，比如，略超过180°。
自铰链闭合状态到第一转动支架转动到临界角度过程中，第二转动支架200由第一转动支架100的转动带动并由此带动第二凸轮2转动，同时，第二凸轮2顺着固定凸轮3爬升，使第二凸轮在转动时，向远离第一凸轮的方向滑动，压缩所述弹簧6；此过程中，所述滑动凸轮4对第一凸轮1和第二凸轮2不起作用；当到达临界角度时，第三凸轮结构23的凸点21和固定凸轮3的凸点34的配合。
所述第二转动支架200在打开过程中转动到临界角度后，由所述弹簧6的推力及第三凸轮结构23和固定凸轮3的配合而自动弹开到最大打开角度，最大打开角度对应第二转动支架200最大转动角度，此过程凸轮配合为凸点21与斜面32的配合，以引导第二凸轮2(第二转动支架200)转动，同时第二凸轮2被弹簧6推动而向着第一凸轮1方向滑动并带动滑动凸轮4向着第一凸轮1方向滑动；在第二转动支架最大打开角度处，所述第三凸轮结构23和固定凸轮3的配合可以为凹槽31与凸点21的配合，以在最大角度处提供支撑锁定功能。
对应临界角度之后，第一凸轮1和第一凸轮结构41之间具有互相插入并允许第一凸轮1转动一定的角度的槽44和插入部位11，所述一定的角度为第一转动支架最大打开角度和临界角度的差值，在该转动角度范围内，第一凸轮1和第一凸轮结构41为顶端12对平面45的配合，两者不发生相互作用，第一凸轮不推动滑动凸轮滑动。当第一转动支架100打开过程超过临界角度继续转动时，由第二凸轮2的推动，使滑动凸轮4滑向第一凸轮1，插入部位11落入槽44中。
所述第一转动支架100在从临界角度转动到闭合的过程中，第一凸轮1在转动过程中推动滑动凸轮4向着第二凸轮2方向滑动，第一凸轮1和第一凸轮结构41的配合可以为斜面 13对斜面46的配合；并且，由第四凸轮结构24和第二凸轮结构42的配合以及第三凸轮结构23和固定凸轮3的配合而使第二凸轮2向着闭合方向以快于第一转动支架100的速度转动到临界角度以及向着远离第一凸轮1的方向滑动而压缩所述弹簧，第四凸轮结构24和第二凸轮结构42的配合以及第三凸轮结构23和固定凸轮3可以为凸点21配斜面32及配斜面42的配合，第四凸轮结构24及第三凸轮结构23的凸点的高度相同，即为凸点21。
所述第二转动支架200在闭合过程中转动到临界角度后，由所述弹簧6的推力及第三凸轮结构23和固定凸轮3或第四凸轮结构24和第二凸轮结构42的配合而自动转动到闭合并推动第二凸轮向着第一凸轮方向滑动，此时均为凸点21与斜面33或斜面47的配合，以引导第二凸轮2(第二转动支架200)转动，斜面47不仅可以起到让位作用，还可传递对第一凸轮锁紧压力。
本实用新型可应用于通讯设备的支架转轴，平板电脑和笔记本电脑,二合一笔电，PAD及IPAD支撑架转轴等领域各种移动终端。
以应用于PAD为例，
所述移动终端，包括转动连接的第一主体300、第二主体400，所述转轴5通过其上的固定板50连接在第一主体300上，所述第二主体400和第一转动支架100连接。所述第一主体设有键盘，所述第二主体400为PAD，设置屏幕。
以上所述仅为本实用新型的具体实施例，但本实用新型的结构特征并不局限于此，任何本领域的技术人员在本实用新型的领域内，所作的变化或修饰皆涵盖在本实用新型的保护范围之中。

Claims (10)

  1. 旋转部品的铰链，包括转轴，其特征在于它包括：
    第一凸轮，和第一转动支架连接而同步转动，所述第一凸轮被轴向定位地套在转轴外并能以转轴为轴转动；
    第二凸轮，和第二转动支架连接而同步转动，所述第二凸轮套在转轴外并能以转轴为轴转动及沿转轴滑动；
    固定凸轮，所述固定凸轮固定在所述转轴上不能位移，和转轴一起转动；
    滑动凸轮，所述滑动凸轮套在转轴外，和转轴一起转动并能沿转轴滑动；
    所述第一凸轮和第二凸轮分处在滑动凸轮的两端外并与滑动凸轮配合，所述滑动凸轮的两端分别有与第一凸轮配合的第一凸轮结构和与第二凸轮配合的第二凸轮结构；
    所述第二凸轮设置有与固定凸轮配合的第三凸轮结构和与滑动凸轮第二凸轮结构配合的第四凸轮结构；
    所述铰链还设置有弹簧，所述弹簧用于向着滑动凸轮方向对第二凸轮施加推力；
    在所述铰链处在闭合状态下时，所述第二转动支架依靠弹簧对第二凸轮的推力和所述第三凸轮结构和固定凸轮的配合而提供所述铰链的锁紧力。
  2. 如权利要求1所述的旋转部品的铰链，其特征在于所述滑动凸轮靠近第一凸轮的这一侧和转轴滑动连接，所述滑动凸轮靠近第二凸轮的这一侧具有容纳所述固定凸轮的空间，在铰链处于闭合状态时，所述固定凸轮处在所述空间中。
  3. 如权利要求1所述的旋转部品的铰链，其特征在于所述第一转动支架与所述转轴之间设置扭矩机构，以提供第一转动支架随时停止转动随时保持转动角度的功能。
  4. 如权利要求1所述的旋转部品的铰链，其特征在于所述第一转动支架连接套在转轴外的摩擦套，所述摩擦套和转轴配合，以提供第一转动支架随时停止转动随时保持转动角度的功能。
  5. 如权利要求1所述的旋转部品的铰链，其特征在于所述第二凸轮设置有加长套，所述加长套和转轴滑动和转动配合，且所述弹簧套在加长套外。
  6. 如权利要求1所述的旋转部品的铰链，其特征在于所述铰链设置有外壳，所述弹簧、 第二凸轮处在所述外壳内，所述外壳和第二转动支架固定连接，所述第二凸轮和所述外壳滑动连接但不能相对转动。
  7. 如权利要求1所述的旋转部品的铰链，其特征在于所述第二凸轮的第三凸轮结构及第四凸轮结构分别处在第二凸轮上的半径不同的同心环端面上，第三凸轮结构处在第二凸轮外环的端面上，第四凸轮结构处在外环内侧的环的端面上，在所述铰链打开和闭合的不同阶段切换第二凸轮与滑动凸轮的配合和第二凸轮与固定凸轮的配合。
  8. 如权利要求1所述的旋转部品的铰链，其特征在于所述铰链具有临界角度、第二转动支架最大打开角度、第一转动支架最大打开角度；第一临界角度小于第一支架最大打开角度，第一转动支架最大打开角度小于第二转动支架最大打开角度；
    自铰链闭合状态到第一转动支架转动到临界角度过程中，第二转动支架由第一转动支架的转动带动并由此带动第二凸轮转动，同时，第二凸轮顺着固定凸轮爬升，使第二凸轮在转动时，向远离第一凸轮的方向滑动，压缩所述弹簧；
    所述第二转动支架在打开过程中转动到临界角度后，由所述弹簧的推力及第三凸轮结构和固定凸轮的配合而自动弹开到最大打开角度；
    对应临界角度之后，第一凸轮和第一凸轮结构之间具有互相插入并允许第一凸轮转动一定的角度的槽和插入部位，所述一定的角度为第一转动支架最大打开角度和临界角度的差值；当第一转动支架打开过程超过临界角度继续转动时，由第二凸轮的推动，使滑动凸轮滑向第一凸轮，插入部位落入槽中；
    所述第一转动支架在从临界角度转动到闭合的过程中，第一凸轮在转动过程中推动滑动凸轮向着第二凸轮方向滑动，并且由第四凸轮结构和第二凸轮结构的配合以及第三凸轮结构和固定凸轮的配合而使第二凸轮向着闭合方向以快于第一转动支架的速度转动到临界角度以及向着远离第一凸轮的方向滑动而压缩所述弹簧；
    所述第二转动支架在闭合过程中转动到临界角度后，由所述弹簧的推力及第三凸轮结构和固定凸轮或第四凸轮结构和第二凸轮结构的配合而自动转动到闭合并推动第二凸轮向着第一凸轮方向滑动。
  9. 如权利要求8所述的旋转部品的铰链，其特征在于对应第二转动支架最大转动角度，所述第三凸轮结构和固定凸轮的配合为凹槽与凸点的配合。
  10. 一种移动终端，包括转动连接的第一主体、第二主体，其特征在于所述移动终端还设有权利要求1、2、3、4、5、6、7、8或9所述的任意一种铰链，其中，所述转轴连接在第一主体上，所述第二主体和第一转动支架连接。
PCT/CN2017/103231 2016-09-30 2017-09-25 旋转部品的铰链及移动终端 WO2018059357A1 (zh)

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US16/337,284 US10655373B2 (en) 2016-09-30 2017-09-25 Rotating part hinge and mobile terminal
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