WO2020048415A1 - 复合式转轴机构、复合式转轴机构的装配方法和话机 - Google Patents

复合式转轴机构、复合式转轴机构的装配方法和话机 Download PDF

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Publication number
WO2020048415A1
WO2020048415A1 PCT/CN2019/103957 CN2019103957W WO2020048415A1 WO 2020048415 A1 WO2020048415 A1 WO 2020048415A1 CN 2019103957 W CN2019103957 W CN 2019103957W WO 2020048415 A1 WO2020048415 A1 WO 2020048415A1
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WO
WIPO (PCT)
Prior art keywords
shaft
composite
mandrel
reinforcing
liquid crystal
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Application number
PCT/CN2019/103957
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English (en)
French (fr)
Inventor
任东平
黄楷文
Original Assignee
厦门亿联网络技术股份有限公司
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Publication of WO2020048415A1 publication Critical patent/WO2020048415A1/zh

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    • 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
    • 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
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis

Definitions

  • the invention relates to the field of rotating display boards of telephones, and in particular to a composite hinge mechanism, a composite hinge mechanism and a telephone.
  • SIP phone products have different display angle requirements for different users
  • the LCD display part needs to be made rotatable.
  • SIP phone products are generally used with conventional hinges; specifically, the LCD panel and the case are respectively fixed by two conventional hinges.
  • hinges are used at both ends. In this way, the user can achieve the purpose of different display angles by rotating the liquid crystal part to achieve the purpose of rotating the liquid crystal panel.
  • the LCD screen of the phone generally rotates at an angle of 0-90 degrees, and can stay at any angle.
  • the user will turn the screen to a basically suitable angle by hand, and then use the hand to gently adjust the front and back to an appropriate angle.
  • the liquid crystal display usually has a better angle of use relative to the host, or the angle that the user usually uses.
  • the user's body height is often inconsistent. During the use process, the height of the display cannot be adjusted according to his sitting posture and height, which is very inconvenient to use.
  • the rotating shaft is a shaft used for bearing both bending moment and torque in rotating work.
  • Common hinges include hinges for flip-cover machines, hinges for mobile phones with rotating screens, hinges for laptops, hinges for portable DVDs, hinges for LED table lamps, hinges for LCD screens, and hinges for vehicle mounts such as GPS.
  • the existing SIP phone products do not allow users to directly open the LCD display surface to a suitable angle to meet normal usage habits. Instead, they need to be fine-tuned when fast turning to the appropriate angle, which brings users It is inconvenient; at the same time, the conventional hinge assembly method is complicated and the cost is high, which leads to the overall cost of the SIP phone to rise, and the product competitiveness is insufficient.
  • the purpose of the present invention is to provide a composite shaft mechanism that reduces the cost of the shaft part and improves the overall competitive advantage of the phone product.
  • a composite hinge mechanism includes a face shell, a bottom shell, a liquid crystal component, a limit hinge, a fixed bracket, a reinforcing shaft, and a screw;
  • the fixing bracket is a sheet metal piece or a high-strength plastic piece, and is provided with a screw mounting hole and a reinforcing shaft adapting port, and the reinforcing shaft adapting port is designed in an ⁇ shape to facilitate assembly on the reinforcing shaft;
  • the reinforcing shaft is a sheet metal part, which includes a fixed end and a rotating end.
  • the fixed end is provided with three screw mounting holes, which are fixed to the liquid crystal module by a screw lock.
  • the rotating end is inserted into the reinforcing shaft adapter port on the fixed bracket.
  • the limit rotation shaft includes a fastening nut, a spring washer, a movable frame, a limit washer and a mandrel.
  • the mandrel includes a fixed end and a mounting end of the mandrel.
  • the fixed end of the mandrel of the mandrel is fixed to the liquid crystal module, and a limit pad, a movable frame, a spring pad, and a fastening nut are sequentially installed along the middle of the mandrel toward the other end.
  • the mandrel is provided with two or more screw mounting holes outward along the end of the fixed end of the mandrel, and the liquid crystal module is fixed by screw locking.
  • the movable rack is provided with two or more screw mounting holes, which are fixed to the surface shell by screw locks.
  • the fixed end of the mandrel and the fixed end of the reinforcing shaft are respectively installed at two ends in the rotation axis direction of the liquid crystal module.
  • the surface shells are respectively provided with lock payment installation ports matched with the movable frame and the fixed bracket.
  • Screw mounting hole is located at the apex of the isosceles triangle, near the fixed end of the reinforcing shaft; two screw mounting holes and three are located on both sides of the bottom corner of the isosceles triangle. Screw mounting holes two and screw mounting holes The straight line connection direction between the three is perpendicular to the direction of the rotation axis of the reinforcing shaft.
  • the screw mounting holes of the movable frame are linearly distributed, and the linear direction of the distribution is perpendicular to the rotation direction of the core shaft.
  • the technical solution of the present invention also includes a method for assembling a composite shaft mechanism, which is characterized in that the steps include:
  • assembling the fixing bracket to the reinforcing shaft is specifically:
  • the reinforcing shaft adapter opening of the fixing bracket is in the shape of “ ⁇ ”, and is sleeved and assembled on the rotating shaft's rotating end; then the screws are fastened through the screw mounting holes to the fixing bracket, and the reinforcing shaft adapter opening of the fixing bracket clamps the rotating shaft's rotating end. , To ensure the stability and strength of the composite shaft.
  • the technical solution of the present invention also includes a composite shaft mechanism, including: a reinforced shaft for fixed connection with the liquid crystal module; a fixed bracket for fixed connection with the casing; the fixed bracket includes two clamping arms, two clips The first ends of the holding arms are connected, the second ends of the two clamping arms form a free end, and a reinforcing shaft adapter opening is enclosed between the two clamping arms.
  • the fixing bracket is sleeved on the reinforcing shaft through the reinforcing shaft adapter opening.
  • Upper; locking member, the locking member is used to connect the second ends of the two clamping arms, so that the fixing bracket clamps the reinforcing shaft through the reinforcing shaft adapter.
  • the second ends of the two clamping arms are each provided with a fastener fastening hole;
  • the locking member is a screw, and the screw passes through the fastener fastening holes and is fixedly connected to the casing.
  • the fixing bracket further includes a connecting plate, which is connected to one of the two clamping arms, and the connecting plate is provided with a firmware mounting hole;
  • the composite shaft mechanism further includes a bracket fixing member, and the bracket fixing member passes through the firmware mounting hole. It is fixedly connected with the shell.
  • the reinforced shaft includes a reinforced shaft fixed end and a reinforced shaft rotating end connected to each other.
  • the reinforced shaft fixed end is provided with at least one reinforced shaft connection hole.
  • the composite shaft mechanism further includes a reinforced shaft connector, and the reinforced shaft connector passes through. After strengthening the shaft connection hole, it is fixedly connected with the liquid crystal module.
  • the composite hinge mechanism further includes a limit hinge, the limit hinge includes: a core shaft for fixed connection with the liquid crystal module; a movable frame for fixed connection with the casing, the movable frame has an assembly hole, and the movable frame is assembled through The hole sleeve is set on the mandrel; a fastener, the fastener is fixedly connected to the mandrel, and is used to prevent the mandrel from coming out of the assembly hole.
  • the fastener is a fastening nut, the fastening nut and the mandrel;
  • the limit rotation shaft further comprises: an elastic pad, the elastic pad is sleeved on the mandrel and located between the fastening nut and the movable frame; the limit washer The limit pad is sleeved on the mandrel and located between the movable frame and the LCD module.
  • the mandrel includes a mandrel mounting end and a mandrel fixed end, and the mandrel fixed end is provided with at least one mandrel connection hole;
  • the composite shaft mechanism further includes a mandrel connector, and the mandrel connector is connected through the mandrel.
  • the hole is fixedly connected with the liquid crystal module; the fastener is connected with the mounting end of the mandrel.
  • the technical solution of the present invention also includes a telephone, including: a liquid crystal module; a casing, the casing including a face shell and a bottom shell connected to each other; a composite hinge mechanism, which is the composite hinge mechanism described above, a composite type The reinforcing shaft of the rotating shaft mechanism is connected with the liquid crystal module, and the fixed bracket of the composite rotating shaft mechanism is connected with the surface shell.
  • the composite rotating shaft mechanism further includes a mandrel, the mandrel and the liquid crystal module are integrally injection-molded, and the mandrel and the reinforcing shaft are located at two sides of the liquid crystal module, respectively.
  • the technical solution of the present invention also includes a method for assembling a composite shaft mechanism.
  • the assembling method includes the following steps: assembling the fixing bracket on the reinforcing shaft; assembling the fixing bracket on the housing; and connecting the two parts of the fixing bracket through the locking member. The second ends of the two clamping arms allow the fixed bracket to clamp the reinforcing shaft.
  • the present invention has the following beneficial effects:
  • the composite rotating shaft mechanism of the present invention fixes a limit rotating shaft on the liquid crystal module and the surface shell component at one end in the rotation axis direction, and adopts a composite rotating shaft structure at the other end in the rotation axis direction: a reinforced shaft + a fixed bracket, which can achieve The rotation and limit of the panel also has the effect of stability and reliability using double rotating shafts.
  • FIG. 1 is an exploded view of component assembly according to an embodiment of the present invention
  • FIG. 2 is a schematic view of a limit rotating shaft accessory according to an embodiment of the present invention
  • 3a is a schematic structural diagram of a reinforcing shaft according to an embodiment of the present invention.
  • 3b is a schematic structural diagram of a fixing bracket according to an embodiment of the present invention.
  • step 1 of an assembling method according to an embodiment of the present invention is a schematic diagram of step 1 of an assembling method according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of step 2 of an assembly manner according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of step 3 of an assembling method according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of step 4 in an assembling manner according to an embodiment of the present invention.
  • FIG. 8 is an exemplary side view of assembling the fixing bracket and the reinforcing shaft without screws in the embodiment of the present invention.
  • FIG. 9 is an exemplary side view of assembling the fixing bracket and the reinforcing shaft without screws in the embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a fixing bracket according to an embodiment of the present invention.
  • the low-cost gear-type rotating shaft mechanism in this embodiment includes the following parts: face case 5, bottom case 6, liquid crystal module 1, limit rotating shaft 4, fixed bracket 3, reinforcing shaft 2, Screws.
  • the fixing bracket 3 is a sheet metal piece or a high-strength plastic piece, and is provided with a screw mounting hole and a reinforcing shaft adapter opening, and the reinforcing shaft adapter opening is designed in an ⁇ shape to facilitate assembly on the reinforcement shaft 2; It is a sheet metal part, including a reinforced shaft fixed end 14 and a reinforced shaft rotating end 13.
  • the reinforced shaft fixed end 14 is provided with three screw mounting holes, which are fixed to the liquid crystal module 1 by a screw lock.
  • the reinforced shaft rotating end 13 is inserted into the fixing bracket 3.
  • the limit rotation shaft 4 includes a fastening nut 7, an elastic pad 8, a movable frame 9, a limit pad 10, and a core shaft 11, and the core shaft 11 includes a fixed end of the core shaft and a mounting end of the core shaft.
  • the fixed end of the mandrel 11 is fixed to the liquid crystal module 1, and a limit pad 10, a movable frame 9, a spring washer 8, and a fastening nut 7 are sequentially installed along the middle of the mandrel 11 toward the other end.
  • the mandrel 11 is provided with two or more screw mounting holes outward along the end of the fixed end of the mandrel, and is fixed to the liquid crystal module 1 by a screw lock.
  • the movable rack 9 is provided with two or more screw mounting holes, and is fixed to the face shell 5 by screw locking.
  • the fixed end of the mandrel and the fixed end of the reinforcing shaft are respectively installed at both ends in the rotation axis direction of the liquid crystal module 1.
  • the face shells 5 are respectively provided with lock payment installation ports matched with the movable frame 9 and the fixed bracket 3.
  • the three screw mounting holes provided at the fixed end 14 of the reinforcing shaft are distributed in an isosceles triangle; among them, the screw mounting holes 15 are located at the apex position of the isosceles triangle, near the fixed end 14 of the reinforcing shaft; screws The mounting hole two 16 and the screw mounting hole three 17 are respectively located on both sides of the bottom corner of the isosceles triangle distribution.
  • the linear connection direction between the screw mounting hole two 16 and the screw mounting hole three 17 is perpendicular to the direction of the rotation axis of the reinforcing shaft 2.
  • the screw mounting holes of the movable frame 9 are linearly distributed, and the linear direction of the distribution is perpendicular to the rotation direction of the core shaft 11.
  • the technical solution of this embodiment also includes a method for assembling a composite shaft mechanism, the steps include:
  • the reinforcing shaft adapter opening of the fixing bracket 3 is in the shape of “ ⁇ ”, and the fixing bracket 3 is fitted to the rotating shaft 13 of the reinforcing shaft through the reinforcing shaft adapter opening sleeve; then the screws are used to fasten the fixing bracket 3 through the screw mounting holes, and the fixing bracket
  • the reinforcing shaft adapting port 3 clamps the rotating shaft 13 of the reinforcing shaft to ensure the stability and strength of the composite rotating shaft.
  • An assembly method of a composite shaft mechanism includes the following steps:
  • the limit rotation shaft 4 is fixed on the liquid crystal module 1 by a screw lock, and the reinforcing shaft 2 is fixed on the liquid crystal module 1 by a screw lock;
  • the fixing bracket 3 is assembled on the reinforcing shaft 2;
  • the reinforcing shaft adapting opening of the fixing bracket 3 has an “ ⁇ ” shape.
  • the fixing bracket 3 is sleeved and assembled on the reinforcing shaft rotating end 13 through the reinforcing shaft adapting socket;
  • the holes fasten the fixing bracket 3, and the reinforcing shaft adapting opening of the fixing bracket 3 clamps the rotating shaft 13 of the reinforcing shaft to ensure the stability and strength of the composite rotating shaft.
  • the composite rotating shaft mechanism includes a reinforcing shaft 2, a fixing bracket 3, and a locking member.
  • the reinforcing shaft 2 is used for fixed connection with the liquid crystal module 1;
  • the fixing bracket 3 is used for fixed connection and fixing with the housing.
  • the bracket 3 includes two clamping arms 31. The first ends of the two clamping arms 31 are connected. The second ends of the two clamping arms 31 form a free end.
  • Matching port, the fixed bracket 3 is sleeved on the reinforced shaft 2 through the reinforced shaft adapter, and the locking member is used to connect the second ends of the two clamping arms 31 so that the fixed bracket 3 is clamped by the reinforced shaft adapter.
  • the composite shaft mechanism with a reinforced shaft and a fixed bracket can realize the rotation and limit of the liquid crystal module 1.
  • the composite shaft mechanism is simple to assemble, and has the advantages of stable rotation, reliability and low cost.
  • the second ends of the two clamping arms 31 are each provided with a fastener fastening hole 19; as shown in FIG. 9, the locking member is a screw 12, and the screw 12 passes through the two fastener fastening holes 19. It is fixedly connected with the shell. In this way, the second ends of the two clamping arms 31 are connected with the screws 12 while the second ends of the two clamping arms 31 are fixedly connected to the housing.
  • the fixing bracket 3 further includes a connecting plate 32, which is connected to one of the two clamping arms 31.
  • the connecting plate 32 is provided with a firmware installation hole 18;
  • the composite shaft mechanism further includes a bracket fixing member , The bracket fixing member is fixedly connected to the casing after passing through the firmware installation hole 18.
  • the bracket fixing member is a screw 12.
  • the reinforced shaft 2 includes a reinforced shaft fixed end 14 and a reinforced shaft rotating end 13, and the reinforced shaft fixed end 14 is provided with at least one reinforced shaft connection hole; the composite rotating shaft mechanism further includes a reinforced shaft connector The reinforced shaft connector is fixedly connected to the liquid crystal module 1 after passing through the reinforced shaft connection hole.
  • the rotating end 13 of the reinforcing shaft is provided in a cylindrical shape
  • the fixed end 14 of the reinforcing shaft includes a first mounting plate and a second mounting plate that are connected at an angle, and the first mounting plate and the rotating end 13 of the reinforcing shaft Axial end faces are connected, and reinforcing shaft connection holes are provided on the second mounting plate.
  • the reinforcing shaft connection is a screw.
  • the composite rotating shaft mechanism further includes a limit rotating shaft 4, which includes a core shaft 11, a movable frame 9, and a fastener.
  • the component 1 is fixedly connected; the movable frame 9 is used for fixed connection with the shell.
  • the movable frame 9 has a mounting hole. The movable frame 9 is sleeved on the core shaft 11 through the mounting hole, and the fastener is fixedly connected to the core shaft 11 to prevent The mandrel 11 is released from the mounting hole.
  • the fastener is a fastening nut 7, the fastening nut 7 and the core shaft 11;
  • the limit rotation shaft 4 further includes a spring pad 8 and a limit pad 10, and the spring pad 8 is sleeved on the core shaft 11. It is located between the fastening nut 7 and the movable frame 9, and the limiting gasket 10 is sleeved on the core shaft 11 and is located between the movable frame 9 and the liquid crystal module 1.
  • the mandrel 11 includes a mandrel mounting end and a mandrel fixed end.
  • the mandrel fixed end is provided with at least one mandrel connection hole.
  • the composite rotating shaft mechanism further includes a mandrel connection piece. After passing through the connecting hole of the mandrel, it is fixedly connected with the liquid crystal module 1; the fastener is connected with the mounting end of the mandrel.
  • the movable frame 9 includes a first plate segment and a second plate segment arranged at an angle.
  • the first plate segment is provided with an assembly hole
  • the second plate segment is provided with a fixing hole. It includes a movable frame fixing piece, which is fixedly connected to the casing after passing through the fixing hole.
  • the movable frame fixing member is a screw
  • the fixing hole is a screw mounting hole
  • the telephone includes a liquid crystal module 1, a casing, and a composite pivot mechanism.
  • the casing includes a face shell 5 and a bottom shell 6 connected to each other.
  • the composite pivot mechanism is the one described above.
  • the composite shaft mechanism, the reinforcing shaft 2 of the composite shaft mechanism is connected to the liquid crystal module 1, and the fixing bracket 3 of the composite shaft mechanism is connected to the face shell 5.
  • the fixing bracket 3 further includes a positioning protrusion 33.
  • a positioning arm 33 is provided on an end surface of the clamping arm 31 near the surface shell 5 facing the surface shell 5.
  • the fixing hole 19 is provided on the outer peripheral side.
  • the face shell 5 includes a mounting post.
  • the mounting post is provided with a threaded hole.
  • the positioning boss 33 is used to be sleeved on the mounting post. Connects with threaded hole. In this way, the precise positioning and coordination of the positioning protrusion 33 and the mounting column is helpful to ensure the installation position of the liquid crystal module 1 on the casing, and to improve the assembly efficiency of the phone.
  • the composite shaft mechanism further includes a mandrel 11, which is integrally injection-molded with the liquid crystal module 1, and the mandrel 11 and the reinforcing shaft 2 are respectively located at two of the liquid crystal module 1. side.
  • the movable frame 9 is connected to the face shell 5, and the bottom shell 6 is covered on the face shell 5 and is fixedly connected by screws 12.
  • the application also provides a method for assembling a composite rotating shaft mechanism.
  • the assembling method includes the following steps: assembling the fixing bracket 3 on the reinforcing shaft 2; assembling the fixing bracket 3 on the housing; and connecting the fixing bracket 3 through a locking member.
  • the second ends of the two clamping arms 31 allow the fixing bracket 3 to clamp the reinforcing shaft 2.
  • the two clamping arms 31 and the positioning boss 33 of the fixed bracket 3 are arranged in an " ⁇ " shape.
  • the reinforcing shaft 2 and the liquid crystal module 1 are integrally injection-molded.
  • the invention discloses a composite hinge mechanism, which includes a face shell 5, a bottom shell 6, a liquid crystal module 1, a limit rotation axis 4, a fixed bracket 3, a reinforcing shaft 2, and a screw.
  • the component 1 and the surface shell 5 fix a limit rotation shaft 4, and the other end adopts a composite rotation shaft mechanism: the reinforcing shaft 2 and the fixed bracket 3 can achieve the stability and reliability effects of using the double rotation shaft.
  • the invention not only has low cost, but also overcomes the problem of high cost due to the use of two hinges in the conventional hinge assembly method.
  • the user can also achieve different display angles by rotating the liquid crystal module 1; and the assembly method is simple and the conventional hinges need not be complicated. Assembly requirements greatly enhance the overall competitive advantage of the product.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

一种复合式转轴机构，包括面壳（5）、底壳（6）、液晶组件（1）、限位转轴（4）、固定支架（3）、加强轴（2）、螺钉（12），复合式转轴机构通过一端在液晶组件（1）和面壳（5）部件固定一个限位转轴（4）；另一端采用复合式转轴结构，加强轴（2）配合固定支架（3），达到使用双转轴的稳定性和可靠性效果。一种复合式转轴机构装配方法，用于装配其复合式转轴机构。如此设置不仅成本低廉，克服常规转轴组装方式使用两个转轴，成本较高的问题，用户同样可通过转动液晶部分，实现不同的显示角度，而且装配方式简单，可省掉常规转轴复杂的组装需求。

Description

复合式转轴机构、复合式转轴机构的装配方法和话机
本申请要求申请号为201811046069.2，申请日为2018年9月7日，发明创造名称为“一种复合式转轴机构”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
本发明涉及话机转动显示板转动产品领域，具体涉及一种复合式转轴机构、复合式转轴机构和话机。
背景技术
SIP话机产品因为不同用户有不同的显示角度需求，故液晶显示部分需要做成可以转动功能。SIP话机产品一般使用都是常规转轴方式；具体为通过两个常规转轴分别固定液晶面板与面壳，为保证确保稳定性和可靠性，会在两端都使用转轴。这样用户就可以通过转动液晶部分达到液晶面板转动的目的，来实现不同的显示角度需求。当使用话机时，将调节液晶面板上下转动至符合使用者使用习惯的转动位置，从而实现在话机通话时了解面板上的信息。
一般而言，话机的液晶显示屏一般转动的角度为0-90度，在任意角度可停留。使用者在使用时会用手转动屏幕到基本合适的角度，然后再用手轻轻进行前后的微调到适宜的角度使用。
但对于使用者来说，液晶显示器相对于主机通常都具有一较佳的使用角度，或使用者惯常使用的角度。然而使用者的身材高度、往往不一致，在使用过程中，无法根据自己的坐姿和身高调节显示器的高度，使用起来十分不便。
转轴是用于转动工作中既承受弯矩又承受扭矩的轴。常见的转轴有翻盖子机转轴、旋转屏手机转轴、笔记本电脑转轴、便携式DVD转轴、LED台灯转轴、LCD显示屏转轴、GPS等车载支架转轴等。
目前，现有的SIP话机产品并不能使使用者直接可把液晶显示面打开到适合的角度，满足正常的使用习惯，而是需要在快转到合适角度左右时进行微调，这给使用者带来不便；同时，常规转轴组装方式复杂，成本较高，导致SIP话机整体成本上升，产品竞争力不足。
发明内容
本发明的目的就在于提供一种降低转轴部分成本，提升话机产品整体竞争优势的复合式转轴机构。
本发明通过以下技术方案来实现上述目的：
一种复合式转轴机构，包括面壳、底壳、液晶组件、限位转轴、固定支架、加强轴、螺钉；其中，
固定支架为钣金件或高强度塑胶件，设置螺钉安装孔和加强轴适配口，加强轴适配口设计成Ω形状，便于装配到加强轴上；
加强轴为钣金件，包括固定端和转动端，固定端设置有三个螺钉安装孔，通过螺钉锁付与液晶组件固定，转动端插嵌入固定支架上的加强轴适配口；
限位转轴包括紧固螺母、弹垫、活动架、限位垫片和芯轴，芯轴包括芯轴固定端和安装端。
进一步的，芯轴的芯轴固定端与液晶组件固定，沿芯轴中部向另一端方向依次安装限位垫片、活动架、弹垫、紧固螺母。
进一步的，芯轴沿芯轴向芯轴固定端末端向外设置两个或两个以上螺钉安装孔，通过螺钉锁付与液晶组件固定。
进一步的，活动架设置两个或两个以上螺钉安装孔，通过螺钉锁付与面壳固定。
进一步的，芯轴固定端和加强轴固定端分别安装在液晶组件转动轴线方向的两端。
进一步的，面壳分别设置有与活动架、固定支架配套的锁付安装 口。
进一步的，加强轴固定端设置的三个螺钉安装孔呈等腰三角形分布；其中，
螺钉安装孔一处在等腰三角形分布顶点位置，靠近加强轴固定端一侧；螺钉安装孔二和螺钉安装孔三分别位于等腰三角形分布的底角两侧，螺钉安装孔二和螺钉安装孔三之间直线连接方向与加强轴转动轴线方向相垂直。
进一步的，活动架的螺钉安装孔呈直线分布，其分布的直线方向与芯轴转动方向相垂直。
本发明的技术方案还包括一种复合式转轴机构装配方法，其特征在于步骤包括：
(1).组装限位转轴，调教扭力值符合设计需要；
(2).将限位转轴通过螺钉锁付(或者模内注塑方式)固定在液晶组件上,将加强轴通过螺钉锁付(或者模内注塑方式)固定在液晶组件上；
(3).将固定支架装配到加强轴上；
(4).将液晶组件装配在面壳上，并用螺钉锁付限位转轴和固定支架；
(5).盖上底壳，并用螺钉固定。
进一步的，固定支架装配到加强轴上具体为：
将固定支架的加强轴适配口呈“Ω”形状，套和装配到加强轴转动端上；随后螺钉通过螺钉安装孔紧固固定支架，固定支架的加强轴适配口夹住加强轴转动端，保证复合式转轴的稳定性和强度。
本发明的技术方案还包括一种复合式转轴机构，包括：加强轴，用于与液晶组件固定连接；固定支架，用于与壳体固定连接，固定支架包括两个夹持臂，两个夹持臂的第一端相连接，两个夹持臂的第二端形成自由端，两个夹持臂之间围成加强轴适配口，固定支架通过加 强轴适配口套设在加强轴上；锁紧件，锁紧件用于连接两个夹持臂的第二端，以使固定支架通过加强轴适配口夹住加强轴。
进一步地，两个夹持臂的第二端均设有一个固件紧固孔；锁紧件为螺钉，螺钉穿过两个固件紧固孔后与壳体固定连接。
进一步地，固定支架还包括连接板，连接板与两个夹持臂中的一个连接，连接板上设有固件安装孔；复合式转轴机构还包括支架固定件，支架固定件穿过固件安装孔后与壳体固定连接。
进一步地，加强轴包括相连接的加强轴固定端和加强轴转动端，加强轴固定端上设有至少一个加强轴连接孔；复合式转轴机构还包括加强轴连接件，加强轴连接件穿过加强轴连接孔后与液晶组件固定连接。
进一步地，复合式转轴机构还包括限位转轴，限位转轴包括：芯轴，用于与液晶组件固定连接；活动架，用于与壳体固定连接，活动架具有装配孔，活动架通过装配孔套设在芯轴上；紧固件，紧固件与芯轴固定连接，用于阻止芯轴由装配孔脱出。
进一步地，紧固件为紧固螺母，紧固螺母与芯轴；限位转轴还包括：弹垫，弹垫套设在芯轴上并位于紧固螺母和活动架之间；限位垫片，限位垫片套设在芯轴上并位于活动架和液晶组件之间。
进一步地，芯轴包括芯轴安装端和芯轴固定端，芯轴固定端上设有至少一个芯轴连接孔；复合式转轴机构还包括芯轴连接件，芯轴连接件穿过芯轴连接孔后与液晶组件固定连接；紧固件与芯轴安装端连接。
本发明的技术方案还包括一种话机，包括：液晶组件；壳体，壳体包括相连接的面壳和底壳；复合式转轴机构，复合式转轴机构为上述的复合式转轴机构，复合式转轴机构的加强轴与液晶组件连接，复合式转轴机构的固定支架与面壳连接。
进一步地，复合式转轴机构还包括芯轴，芯轴与液晶组件一体注 塑成型，芯轴与加强轴分别位于液晶组件的两侧。
本发明的技术方案还包括一种复合式转轴机构的装配方法，装配方法包括如下步骤：将固定支架装配在加强轴上；将固定支架装配在壳体上；通过锁紧件连接固定支架的两个夹持臂的第二端，使固定支架夹住加强轴。
与现有技术相比，本发明具有如下有益效果：
1、本发明的复合式转轴机构通过分别在转动轴线方向一端的液晶组件和面壳部件上固定一个限位转轴，转动轴线方向另一端采用复合式转轴结构：加强轴+固定支架，即可以达到面板的转动和限位，又具有使用双转轴的稳定性和可靠性效果。
2、通过单转轴和复合式转轴配合，省掉常规转轴复杂的组装需求，保证转动稳定性和可靠性、低成本等优势。
3、各个配件螺钉锁付安装孔的线性几何排布，使单转轴和复合式转轴配合转动时各配件更为稳固牢靠。
附图说明
图1为本发明实施例的部件组装爆炸图；
图2为本发明实施例的限位转轴配件示意图；
图3a为本发明实施例的加强轴的结构示意图；
图3b为本发明实施例的固定支架结构示意图；
图4为本发明实施例的装配方式步骤1示意图；
图5为本发明实施例的装配方式步骤2示意图；
图6为本发明实施例的装配方式步骤3示意图；
图7为本发明实施例的装配方式步骤4示意图；
图8为本发明实施例固定支架与加强轴装配未用螺钉紧固侧视示例图；
图9为本发明实施例固定支架与加强轴装配未用螺钉紧固侧视示 例图；
图10为本发明实施例的固定支架的结构示意图。
其中；1、液晶组件；2、加强轴；3、固定支架；31、夹持臂；32、连接板；33、定位凸台；4、限位转轴；5、面壳；6、底壳；7、紧固螺母；8、弹垫；9、活动架；10、限位垫片；11、芯轴；12、螺钉；13、加强轴转动端；14、加强轴固定端；15、螺钉安装孔一；16、螺钉安装孔二；17、螺钉安装孔三；18、固件安装孔；19、固件紧固孔。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
实施例1
如图1和图2所示，本实施例中低成本档位式转轴机构包括以下零配件：面壳5、底壳6、液晶组件1、限位转轴4、固定支架3、加强轴2、螺钉。
如图2所示固定支架3为钣金件或高强度塑胶件，设置螺钉安装孔和加强轴适配口，加强轴适配口设计成Ω形状，便于装配到加强轴2上；加强轴2为钣金件，包括加强轴固定端14和加强轴转动端13，加强轴固定端14设置有三个螺钉安装孔，通过螺钉锁付与液晶组件1固定，加强轴转动端13插嵌入固定支架3上的加强轴适配口；限位转轴4包括紧固螺母7、弹垫8、活动架9、限位垫片10和芯轴11，芯轴11包括芯轴固定端和芯轴安装端。
在本实施例中，芯轴11的芯轴固定端与液晶组件1固定，沿芯轴11中部向另一端方向依次安装限位垫片10、活动架9、弹垫8、紧固螺母7。
在本实施例中，芯轴11沿芯轴向芯轴固定端末端向外设置两个 或两个以上螺钉安装孔，通过螺钉锁付与液晶组件1固定。
在本实施例中，活动架9设置两个或两个以上螺钉安装孔，通过螺钉锁付与面壳5固定。
在本实施例中，芯轴固定端和加强轴固定端分别安装在液晶组件1转动轴线方向的两端。
在本实施例中，面壳5分别设置有与活动架9、固定支架3配套的锁付安装口。
在本实施例中，加强轴固定端14设置的三个螺钉安装孔呈等腰三角形分布；其中，螺钉安装孔一15处在等腰三角形分布顶点位置，靠近加强轴固定端14一侧；螺钉安装孔二16和螺钉安装孔三17分别位于等腰三角形分布的底角两侧，螺钉安装孔二16和螺钉安装孔三17之间直线连接方向与加强轴2转动轴线方向相垂直。
在本实施例中，活动架9的螺钉安装孔呈直线分布，其分布的直线方向与芯轴11转动方向相垂直。
本实施例的技术方案还包括一种复合式转轴机构装配方法，步骤包括：
(1).组装限位转轴4，调教扭力值符合设计需要；
(2).将限位转轴4通过模内注塑方式固定在液晶组件1上,将加强轴2通过模内注塑方式固定在液晶组件1上；
(3).将固定支架3装配到加强轴2上；
(4).将液晶组件1装配在面壳5上，并用螺钉锁付限位转轴4和固定支架3；
(5).盖上底壳6，并用螺钉固定。
进一步的，固定支架3装配到加强轴2上具体为：
固定支架3的加强轴适配口呈“Ω”形状，将固定支架3通过加强轴适配口套和装配到加强轴转动端13上；随后螺钉通过螺钉安装孔紧固固定支架3，固定支架3的加强轴适配口夹住加强轴转动端13，保证 复合式转轴的稳定性和强度。
实施例2
一种复合式转轴机构的装配方法，步骤包括：
(1).如图2所示，组装限位转轴4，调教扭力值符合设计需要；
(2).如图4所示，将限位转轴4通过螺钉锁付固定在液晶组件1上,将加强轴2通过螺钉锁付固定在液晶组件1上；
(3).如图5所示，将固定支架3装配到加强轴2上；
(4).如图6所示，将液晶组件1装配在面壳5上，并用螺钉锁付限位转轴4和固定支架3；
(5).如图7所示，盖上底壳6，并用螺钉固定。
在本实施例中，固定支架3装配到加强轴2上具体为：
如图8和图9所示，固定支架3的加强轴适配口呈“Ω”形状，将固定支架3通过加强轴适配口套和装配到加强轴转动端13上；随后螺钉通过螺钉安装孔紧固固定支架3，固定支架3的加强轴适配口夹住加强轴转动端13，保证复合式转轴的稳定性和强度。
如图1至图10所示，复合式转轴机构包括加强轴2、固定支架3和锁紧件，加强轴2用于与液晶组件1固定连接；固定支架3用于与壳体固定连接，固定支架3包括两个夹持臂31，两个夹持臂31的第一端相连接，两个夹持臂31的第二端形成自由端，两个夹持臂31之间围成加强轴适配口，固定支架3通过加强轴适配口套设在加强轴2上，锁紧件用于连接两个夹持臂31的第二端，以使固定支架3通过加强轴适配口夹住加强轴2。这样，采用加强轴+固定支架的复合式转轴机构，可以实现液晶组件1的转动和限位，复合式转轴机构组装简单，具有转动稳定、可靠和低成本等优势。
如图10所示，两个夹持臂31的第二端均设有一个固件紧固孔19；如图9所示，锁紧件为螺钉12，螺钉12穿过两个固件紧固孔19 后与壳体固定连接。这样，利用螺钉12将两个夹持臂31的第二端连接同时将两个夹持臂31的第二端与壳体固定连接。
如图10所示，固定支架3还包括连接板32，连接板32与两个夹持臂31中的一个连接，连接板32上设有固件安装孔18；复合式转轴机构还包括支架固定件，支架固定件穿过固件安装孔18后与壳体固定连接。
如图6所示，支架固定件为螺钉12。
如图3a所示，加强轴2包括相连接的加强轴固定端14和加强轴转动端13，加强轴固定端14上设有至少一个加强轴连接孔；复合式转轴机构还包括加强轴连接件，加强轴连接件穿过加强轴连接孔后与液晶组件1固定连接。
如图3a所示，加强轴转动端13呈圆柱状设置，加强轴固定端14包括相连接呈夹角设置的第一安装板和第二安装板，第一安装板与加强轴转动端13的轴向端面连接，第二安装板上设有加强轴连接孔。
可选地，加强轴连接件为螺钉。
如图1、图2、图4至图7所示，复合式转轴机构还包括限位转轴4，限位转轴4包括芯轴11、活动架9和紧固件，芯轴11用于与液晶组件1固定连接；活动架9用于与壳体固定连接，活动架9具有装配孔，活动架9通过装配孔套设在芯轴11上，紧固件与芯轴11固定连接，用于阻止芯轴11由装配孔脱出。
如图2所示，紧固件为紧固螺母7，紧固螺母7与芯轴11；限位转轴4还包括弹垫8和限位垫片10，弹垫8套设在芯轴11上并位于紧固螺母7和活动架9之间，限位垫片10套设在芯轴11上并位于活动架9和液晶组件1之间。
如图2所示，芯轴11包括芯轴安装端和芯轴固定端，芯轴固定端上设有至少一个芯轴连接孔；复合式转轴机构还包括芯轴连接件， 芯轴连接件穿过芯轴连接孔后与液晶组件1固定连接；紧固件与芯轴安装端连接。
如图3b所示，活动架9包括呈夹角设置的第一板段和第二板段，第一板段上设有装配孔，第二板段上设有固定孔，复合式转轴机构还包括活动架固定件，活动架固定件穿过固定孔后与壳体固定连接。
可选地，活动架固定件为螺钉，固定孔为螺钉安装孔。
本申请还提供了一种话机，如图1所示，话机包括液晶组件1、壳体和复合式转轴机构，壳体包括相连接的面壳5和底壳6，复合式转轴机构为上述的复合式转轴机构，复合式转轴机构的加强轴2与液晶组件1连接，复合式转轴机构的固定支架3与面壳5连接。
如图1和图10所示，固定支架3还包括定位凸台33，靠近面壳5的夹持臂31的朝向面壳5的端面上设置有定位凸台33，定位凸台33绕固件紧固孔19的外周侧设置；相对应地，面壳5包括安装柱，安装柱上设有螺纹孔，定位凸台33用于套设在安装柱上，螺钉12穿过固件紧固孔19后与螺纹孔连接。这样，利用定位凸台33与安装柱精准定位配合，有利于保证液晶组件1在壳体上的安装位置，有利于提升话机的装配效率。
在本申请的一个未图示的可选实施例中，复合式转轴机构还包括芯轴11，芯轴11与液晶组件1一体注塑成型，芯轴11与加强轴2分别位于液晶组件1的两侧。
如图7所示，活动架9与面壳5连接，底壳6盖设在面壳5上，并通过螺钉12固定连接。
本申请还提供了一种复合式转轴机构的装配方法，装配方法包括如下步骤：将固定支架3装配在加强轴2上；将固定支架3装配在壳体上；通过锁紧件连接固定支架3的两个夹持臂31的第二端，使固定支架3夹住加强轴2。
可选地，固定支架3的两个夹持臂31和定位凸台33呈“Ω”形 状设置。
在本申请的一个未图示的可选实施例中，加强轴2与液晶组件1一体注塑成型。
本发明公开了一种复合式转轴机构，包括面壳5、底壳6、液晶组件1、限位转轴4、固定支架3、加强轴2、螺钉，通过新的复合式转轴机构通过一端在液晶组件1和面壳5固定一个限位转轴4，另一端采用复合式转轴机构：加强轴2配合固定支架3，可以达到使用双转轴的稳定性和可靠性效果。本发明不仅成本低廉，克服常规转轴组装方式使用两个转轴，成本较高的问题，用户同样可以通过转动液晶组件1，来实现不同的显示角度；而且装配方式简单，需求省掉常规转轴复杂的组装需求，较大提升产品整体竞争优势。

Claims (20)

  1. 一种复合式转轴机构，包括面壳(5)、底壳(6)、液晶组件(1)、限位转轴(4)、固定支架(3)、加强轴(2)、螺钉(12)；其中，
    所述固定支架(3)为钣金件或高强度塑胶件，设置螺钉安装孔和加强轴适配口，加强轴适配口设计成Ω形状，便于装配到加强轴(2)上；
    所述加强轴(2)为钣金件，包括加强轴固定端(14)和加强轴转动端(13)，加强轴固定端(14)设置有三个螺钉安装孔，通过螺钉(12)锁付与液晶组件(1)固定，加强轴转动端(13)插嵌入固定支架(3)上的加强轴适配口；
    所述限位转轴(4)包括紧固螺母(7)、弹垫(8)、活动架(9)、限位垫片(10)和芯轴(11)，所述芯轴(11)包括芯轴固定端和芯轴安装端。
  2. 根据权利要求1所述的复合式转轴机构，其特征在于，所述芯轴(11)的芯轴固定端与液晶组件(1)固定，沿芯轴(11)中部向另一端方向依次安装限位垫片(10)、活动架(9)、弹垫(8)、紧固螺母(7)。
  3. 根据权利要求1或2所述的复合式转轴机构，其特征在于，所述芯轴(11)沿芯轴(11)向芯轴固定端末端向外设置两个或两个以上螺钉安装孔，通过螺钉(12)锁付与液晶组件(1)固定。
  4. 根据权利要求1或2所述的复合式转轴机构，其特征在于，所述活动架(9)设置两个或两个以上螺钉安装孔，通过螺钉(12)锁付与面壳(5)固定。
  5. 根据权利要求1或3所述的复合式转轴机构，其特征在于，所述芯轴固定端和加强轴固定端(14)分别安装在液晶组件(1)转动轴线方向的两端。
  6. 根据权利要求1或2所述的复合式转轴机构，其特征在于，所述面壳(5)分别设置有与活动架(9)、固定支架(3)配套的锁付安装口。
  7. 根据权利要求1所述复合式转轴机构，其特征在于，所述加强轴固定端(14)设置的三个螺钉安装孔呈等腰三角形分布；其中，
    螺钉安装孔一(15)处在等腰三角形分布顶点位置，靠近加强轴固定端(14)一侧；螺钉安装孔二(16)和螺钉安装孔三(17)分别位于等腰三角形分布的底角两侧，螺钉安装孔二(16)和螺钉安装孔三(17)之间直线连接方向与加强轴(2)转动轴线方向相垂直。
  8. 根据权利要求1所述复合式转轴机构，其特征在于，所述活动架(9)的螺钉安装孔呈直线分布，其分布的直线方向与芯轴(11)转动方向相垂直。
  9. 一种复合式转轴机构装配方法，其特征在于步骤包括：
    (1).组装限位转轴(4)，调教扭力值符合设计需要；
    (2).将限位转轴(4)通过螺钉(12)锁付(或者模内注塑方式)固定在液晶组件(1)上,将加强轴(2)通过螺钉(12)锁付(或者模内注塑方式)固定在液晶组件(1)上；
    (3).将固定支架(3)装配到加强轴(2)上；
    (4).将液晶组件(1)装配在面壳(5)上，并用螺钉(12)锁付所述限位转轴和所述固定支架(3)；
    (5).盖上底壳(6)，并用螺钉(12)固定。
  10. 根据权利要求9所述复合式转轴机构装配方法，其特征在于，所述固定支架(3)装配到加强轴(2)上具体为：
    将固定支架(3)的加强轴适配口呈“Ω”形状，套和装配到加强轴转动端(13)上；随后螺钉(12)通过螺钉安装孔紧固固定支架(3)，固定支架(3)的加强轴适配口夹住加强轴转动端(13)，保证复合式转轴的稳定性和强度。
  11. 一种复合式转轴机构，其特征在于，包括：
    加强轴(2)，用于与液晶组件(1)固定连接；
    固定支架(3)，用于与壳体固定连接，所述固定支架(3)包括两个夹持臂(31)，两个所述夹持臂(31)的第一端相连接，两个所述夹持臂(31)的第二端形成自由端，两个所述夹持臂(31)之间围成加强轴适配口，所述固定支架(3)通过所述加强轴适配口套设在所述加强轴(2)上；
    锁紧件，所述锁紧件用于连接两个所述夹持臂(31)的第二端，以使所述固定支架(3)通过所述加强轴适配口夹住所述加强轴(2)。
  12. 根据权利要求11所述的复合式转轴机构，其特征在于，两个所述夹持臂(31)的第二端均设有一个固件紧固孔(19)；所述锁紧件为螺钉，所述螺钉穿过两个所述固件紧固孔(19)后与所述壳体固定连接。
  13. 根据权利要求11或12所述的复合式转轴机构，其特征在于，
    所述固定支架(3)还包括连接板(32)，所述连接板(32)与两个所述夹持臂(31)中的一个连接，所述连接板(32)上设有固件安装孔(18)；
    所述复合式转轴机构还包括支架固定件，所述支架固定件穿过所述固件安装孔(18)后与所述壳体固定连接。
  14. 根据权利要求11或12所述的复合式转轴机构，其特征在于，
    所述加强轴(2)包括相连接的加强轴固定端(14)和加强轴转动端(13)，所述加强轴固定端(14)上设有至少一个加强轴连接孔；
    所述复合式转轴机构还包括加强轴连接件，所述加强轴连接件穿过所述加强轴连接孔后与所述液晶组件(1)固定连接。
  15. 根据权利要求11所述的复合式转轴机构，其特征在于，所 述复合式转轴机构还包括限位转轴(4)，所述限位转轴(4)包括：
    芯轴(11)，用于与液晶组件(1)固定连接；
    活动架(9)，用于与所述壳体固定连接，所述活动架(9)具有装配孔，所述活动架(9)通过所述装配孔套设在所述芯轴(11)上；
    紧固件，所述紧固件与所述芯轴(11)固定连接，用于阻止所述芯轴(11)由所述装配孔脱出。
  16. 根据权利要求15所述的复合式转轴机构，其特征在于，所述紧固件为紧固螺母(7)，所述紧固螺母(7)与所述芯轴(11)；所述限位转轴(4)还包括：
    弹垫(8)，所述弹垫(8)套设在所述芯轴(11)上并位于所述紧固螺母(7)和所述活动架(9)之间；
    限位垫片(10)，所述限位垫片(10)套设在所述芯轴(11)上并位于所述活动架(9)和所述液晶组件(1)之间。
  17. 根据权利要求16所述的复合式转轴机构，其特征在于，
    所述芯轴(11)包括芯轴安装端和芯轴固定端，所述芯轴固定端上设有至少一个芯轴连接孔；
    所述复合式转轴机构还包括芯轴连接件，所述芯轴连接件穿过所述芯轴连接孔后与所述液晶组件(1)固定连接；所述紧固件与所述芯轴安装端连接。
  18. 一种话机，其特征在于，包括：
    液晶组件(1)；
    壳体，所述壳体包括相连接的面壳(5)和底壳(6)；
    复合式转轴机构，所述复合式转轴机构为权利要求11至17中任一项所述的复合式转轴机构，所述复合式转轴机构的加强轴(2)与所述液晶组件(1)连接，所述复合式转轴机构的固定支架(3)与所述面壳(5)连接。
  19. 根据权利要求18所述的话机，其特征在于，所述复合式转 轴机构还包括芯轴(11)，所述芯轴(11)与所述液晶组件(1)一体注塑成型，所述芯轴(11)与所述加强轴(2)分别位于所述液晶组件(1)的两侧。
  20. 一种复合式转轴机构的装配方法，其特征在于，所述装配方法包括如下步骤：
    将固定支架(3)装配在加强轴(2)上；
    将所述固定支架(3)装配在壳体上；
    通过锁紧件连接所述固定支架(3)的两个夹持臂(31)的第二端，使所述固定支架(3)夹住所述加强轴(2)。
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