WO2020220468A1 - 一种柔性屏应用的同轴190度包圆转动机构 - Google Patents
一种柔性屏应用的同轴190度包圆转动机构 Download PDFInfo
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- WO2020220468A1 WO2020220468A1 PCT/CN2019/094810 CN2019094810W WO2020220468A1 WO 2020220468 A1 WO2020220468 A1 WO 2020220468A1 CN 2019094810 W CN2019094810 W CN 2019094810W WO 2020220468 A1 WO2020220468 A1 WO 2020220468A1
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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
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- the present invention relates to the technical field of flexible screen applications, in particular to a connecting shaft for flexible screen applications, in particular to a coaxial 190-degree enveloping rotation mechanism for flexible screen applications.
- Flexible screen refers to flexible OLED.
- the successful mass production of flexible screens is not only beneficial to the manufacturing of a new generation of high-end smartphones, but also has a profound impact on the application of wearable devices due to its low power consumption and flexibility.
- flexible screens will follow the development of personal intelligence.
- the continuous penetration of terminals is widely used.
- a flexible screen mobile phone refers to a mobile phone with a bendable and flexible screen. Because it looks like a awning roll, it is also called a awning phone.
- flexible screens have obvious advantages. They are not only lighter and thinner in size, but also lower in power consumption than original devices. This helps to improve the endurance of the device.
- the durability is also much higher than previous screens, reducing the probability of accidental damage to the equipment.
- the folding connection component that is, the design of the connection shaft at the bending position is also the biggest technical problem.
- traditional hinges cannot meet their functional requirements, and special flexible screen hinges are needed to assist in implementation.
- the purpose of the present invention is to overcome the shortcomings in the prior art and provide a coaxial 190-degree enveloping rotation mechanism for flexible screen applications.
- the coaxial 190-degree enveloping rotation mechanism for flexible screen applications includes a structural main body composed of outer folding shafts on both sides and multiple sets of shaft connecting plates arranged between the outer folding shafts; the outer folding shaft includes The slide rail spring mechanism at both ends and the rotating mechanism connected in the middle.
- the rotating mechanism includes a fixed block, a gear and a cover plate connected in combination.
- the fixed block consists of a first fixed block, a second fixed block, and a third fixed block.
- the fourth fixing block, and the second fixing block and the fourth fixing block are respectively provided with a circular structure;
- the cover plate includes a first cover plate on both sides, a second cover plate and three groups arranged side by side in the middle
- the third cover is composed.
- the slide rail spring mechanism is composed of a slide rail connection seat, a slide rail seat, a slide rail rivet and a slide rail spring, and the slide rail connection seat is connected to the slide rail seat, the second fixed block, and the third fixed block And the fourth fixed block, that is, one side of the slide rail connecting seat is connected to the slide rail seat, and the other side is connected to the second, third, and fourth fixed blocks in combination, the slide rail seat A sliding groove is provided, the sliding rail rivet is arranged in the sliding groove and slidably connected, and the sliding rail spring is connected to the sliding rail connecting seat and the sliding rail seat, and friction damping, torsion and buffering are generated by elastic force.
- the gear is connected in combination with the first fixed block, the second fixed block, the third fixed block, and the fourth fixed block, specifically:
- the gear is positioned and connected with the first fixed block
- the gear is synchronously connected with the second fixed block, the third fixed block and the fourth fixed block to realize sliding positioning.
- first fixed block, the second fixed block, the third fixed block, and the fourth fixed block are respectively provided with racks, and two ends of the third fixed block are provided with connecting shafts to connect the second fixed block And the fourth fixed block;
- the second fixed block is slidably connected with the first fixed block, the torsion and damping are realized by the connecting shaft of the third fixed block, and the self-locking function of 0 degree and 180 degree is realized by the rack linkage gear;
- the circled structure of the third fixed block and the second fixed block and the fourth fixed block realizes torsion and damping, and is synchronously connected to the left and right through the rack-and-pinion linkage gear to realize the self-locking function of 0 degrees and 180 degrees;
- the first fixing block and the sliding rail connecting seat are respectively provided with a cover connecting seat and a cover fixing screw, and the cover connecting seat is fixedly connected to the cover by the fixing screw;
- the sliding rail connecting seat is fixedly connected to the first cover plate and the second cover plate;
- the first fixing blocks are respectively fixedly connected to the third cover plate.
- the fixed blocks include four sets of second fixed blocks, third fixed blocks, fourth fixed blocks, and three sets of first fixed blocks.
- the rotating shaft connecting plate includes a first rotating shaft connecting plate on one side, two sets of second rotating shaft connecting plates on both sides, and a middle connecting plate. It consists of three groups of third shaft connecting plates.
- the coaxial 190-degree enveloping rotation mechanism for flexible screen applications provided by the present invention adopts an overall structure design of coaxial drive rotation, and realizes pure mechanical bending through coaxial rotation of gears and racks, satisfying 0 -190° outward bending needs, flexible application of the round structure and connecting shaft to meet the needs of damping and torsion, the design of bilateral damping mechanism and spring slide rail compensation mechanism on both sides, the limit structure of the fixed block realizes the limit and guarantees There will be no screen deformation during the bending process, which meets the high-precision control requirements of flexible screen bending.
- Fig. 1 is a 190-degree overall structure diagram of a coaxial 190-degree enveloping rotation mechanism applied to the flexible screen of the present invention.
- Figure 2 is a 0-degree overall structure diagram of a coaxial 190-degree enveloping rotation mechanism applied to the flexible screen of the present invention.
- Figure 3 is an exploded view of the overall structure of the coaxial 190-degree enveloping rotation mechanism applied to the flexible screen of the present invention.
- Fig. 4 is a schematic structural diagram of a rotating mechanism of a coaxial 190-degree enveloping rotation mechanism applied to the flexible screen of the present invention.
- Fig. 5 is an exploded view of the outer folding shaft in the coaxial 190-degree enveloping rotation mechanism applied to the flexible screen of the present invention.
- a coaxial 190-degree enveloping rotation mechanism for flexible screen applications disclosed in this embodiment includes a structural main body 1.
- the structural main body 1 consists of two outer folding shafts 2 and arranged on the outer
- the turning shaft 2 is composed of multiple sets of rotating shaft connecting plates 3; the outer turning shaft 2 includes a sliding rail spring mechanism 4 at both ends and a rotating mechanism 5 connected in the middle, and the rotating mechanism 5 includes a fixed block 6 connected in combination.
- the fixed block 6 is composed of a first fixed block 61, a second fixed block 62, a third fixed block 63 and a fourth fixed block 64, and the second fixed block 62 and the fourth fixed block
- the fixing blocks 64 are respectively provided with an enveloping structure 9;
- the cover plate 7 includes a first cover plate 71, a second cover plate 72 on both sides, and three sets of third cover plates 73 arranged side by side in the middle.
- the slide rail spring mechanism 4 is composed of a slide rail connecting seat 41, a slide rail seat 42, a slide rail rivet 43, and a slide rail spring 44.
- the slide rail connecting seat 41 connects the slide rail seat 42 and the second fixing block 62.
- the third fixed block 63 and the fourth fixed block 64 that is, one side of the slide rail connecting seat 41 is connected to the slide rail seat 42, and the other side is connected to the second fixed block 62, the third fixed block 63 and the first
- the four fixed blocks 64 are combined and connected, the slide rail seat 42 is provided with a slide groove 45, the slide rail rivet 43 is arranged in the slide groove 45 and slidably connected, and the slide rail spring 44 is connected to the slide rail connecting seat 41 and slide rail seat 42 generate friction damping, torsion and buffer through elastic force.
- the gear 8 is connected in combination with the first fixed block 61, the second fixed block 62, the third fixed block 63, and the fourth fixed block 64, specifically:
- the gear 8 is positioned and connected to the first fixed block 61;
- the gear 8 is synchronously connected with the second fixed block 62, the third fixed block 63, and the fourth fixed block 64 to realize sliding positioning.
- the first fixed block 61, the second fixed block 62, the third fixed block 63, and the fourth fixed block 64 are respectively provided with racks 81, and two ends of the third fixed block 63 are provided with connecting shafts 82 to connect the The second fixed block 62 and the fourth fixed block 64;
- the second fixed block 62 is slidably connected with the first fixed block 61, the torsion and damping are realized by the connecting shaft 82 of the third fixed block 63, and the 0-degree and 180-degree autonomy is realized by the rack 81 linkage gear 8 Lock function;
- the third fixed block 63 and the circled structure 9 of the second fixed block 62 and the fourth fixed block 64 realize torsion and damping, and are synchronously connected to the left and right through the rack 81 linkage gear 8 to realize 0 degree and 180 degree Self-locking function;
- the first fixing block 61 and the slide rail connecting seat 41 are respectively provided with a cover connecting seat 74 and a cover fixing screw 75, the cover connecting seat 74 is fixedly connected to the fixing screw 75
- the slide rail connecting seat 41 is respectively fixedly connected to the first cover plate 71 and the second cover plate 72;
- the first fixing block 61 is respectively fixedly connected to the third cover plate 73.
- the fixing block 6 includes four sets of second fixing blocks 62, third fixing blocks 63, fourth fixing blocks 64 and three sets of first fixing blocks 61.
- the externally folded rotating shaft 2 and the rotating shaft connecting plate 3 are fixedly connected by screws 111.
- the rotating shaft connecting plate 3 includes a first rotating shaft connecting plate 31 on one side and two sets of second rotating shaft connecting plates 32 on both sides. And three groups of third rotating shaft connecting plates 33 in the middle.
- the overall structure design of coaxial drive rotation is adopted, and pure mechanical bending is realized through coaxial rotation of gears and racks to meet the bending needs of 0-190° outward bending.
- the flexible application of the round structure and the connecting shaft meets the requirements of damping and torsion
- the design of bilateral damping mechanism and spring slide rail compensation mechanism on both sides realizes the limit through the limit structure of the fixed block to ensure that there will be no screen deformation during the bending process, and meet the high-precision control requirements of flexible screen bending.
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Abstract
一种柔性屏应用的同轴190度包圆转动机构，包括结构主体（1），其由两边的外折转轴（2）及设置于外折转轴（2）之间的多组转轴连接板（3）组成；外折转轴（2）包括两端的滑轨弹簧机构（4）及中间转动连接的转动机构（5），转动机构（5）包括组合连接的固定块（6）、齿轮（8）及盖板（7），固定块（6）由第一固定块（61）、第二固定块（62）、第三固定块（63）及第四固定块（64）组成，且第二固定块（62）及第四固定块（64）分别设有包圆结构（9）；采用同轴驱动旋转的整体结构设计，通过齿轮与齿条同轴旋转实现纯机械式弯折，满足0-190°的外折的折弯需求，灵活应用包圆结构及连接轴满足阻尼、扭力的需求，双边阻尼机构及两侧弹簧滑轨补偿机构设计，保障弯折过程中不会出现屏的形变，满足柔性屏折弯的高精度控制需求。
Description
本发明涉及柔性屏应用技术领域，尤其涉及一种柔性屏应用的连接轴，特指一种柔性屏应用的同轴190度包圆转动机构。
柔性屏幕，指的是柔性OLED。柔性屏幕的成功量产不仅重大利好于新一代高端智能手机的制造，也因其低功耗、可弯曲的特性对可穿戴式设备的应用带来深远的影响，未来柔性屏幕将随着个人智能终端的不断渗透而广泛应用。柔性屏手机是指采用可弯曲、柔韧性佳屏幕的手机，因为形似芒卷，又被称为卷芒手机。相较于传统屏幕，柔性屏幕优势明显，不仅在体积上更加轻薄，功耗上也低于原有器件，有助于提升设备的续航能力，同时基于其可弯曲、柔韧性佳的特性，其耐用程度也大大高于以往屏幕，降低设备意外损伤的概率。
要实现柔性屏折叠功能，除了屏幕本身之外，实现折叠的连接组件，即折弯处的连接轴设计亦是最大的技术难题。考虑到柔性屏的特殊性，传统转轴没有办法满足其功能需求，需要专门的柔性屏转轴来辅助实现。
发明内容
本发明的目的在于克服现有技术中的不足之处而提供一种柔性屏应用的同轴190度包圆转动机构。
为实现上述目的，本发明采用如下的技术方案：
柔性屏应用的同轴190度包圆转动机构，包括结构主体，所述结构主体由两边的外折转轴及设置于所述外折转轴之间的多组转轴连接板组成；所述外折转轴包括两端的滑轨弹簧机构及中间转动连接的转动机构，所述转动机构包括组合连接的固定块、齿轮及盖板，所述固定块块由第一固定块、第二固定块、第三固定块及第四固定块组成，且所述第二固定快及第四固定块分别设有包圆结构；所述盖板包括两侧的第一盖板、第二盖板及 中间并列排布的三组第三盖板组成。
特别的，所述滑轨弹簧机构由滑轨连接座、滑轨座、滑轨铆钉及滑轨弹簧组成，所述滑轨连接座连接所述滑轨座、第二固定块、第三固定块及第四固定块，即所述滑轨连接座一侧连接所述滑轨座，另一侧与所述第二固定块、第三固定块及第四固定块组合连接，所述滑轨座设有滑槽，所述滑轨铆钉设置在所述滑槽内并滑动连接，所述滑轨弹簧连接所述滑轨连接座及滑轨座，通过弹力产生摩擦阻尼、扭力及缓存。
特别的，所述齿轮与所述第一固定块、第二固定块、第三固定块及第四固定块组合连接，具体的：
所述齿轮与所述第一固定块定位连接；
所述齿轮与所述第二固定块、第三固定块及第四固定块同步连接并实现滑动定位。
特别的，所述第一固定块、第二固定块、第三固定块及第四固定块上分别设有齿条，所述第三固定块两端设有连接轴连接所述第二固定块及第四固定块；
其中：
第二固定块与第一固定块滑动定位连接，通过所述第三固定块的连接轴实现扭力及阻尼，并通过所述齿条联动齿轮实现0度及180度的自锁功能；
所述第三固定块与所述第二固定块及第四固定块的包圆结构实现扭力及阻尼，并通过所述齿条联动齿轮同步连接左右实现0度及180度的自锁功能；
特别的，所述第一固定块与滑轨连接座上分别设有盖板连接座及盖板固定螺丝，所述盖板连接座通过所述固定螺丝固定连接所述盖板；
所述滑轨连接座分别固定连接所述第一盖板及第二盖板；
所述第一固定块分别固定连接所述第三盖板。
特别的，所述固定块包括四组第二固定块、第三固定块、第四固定块及三组第一固定块。
特别的，所述外折转轴与所述转轴连接板之间通过螺丝实现固定连接，所述转轴连接板包括一侧的第一转轴连接板、两侧的两组第二转轴连接板及中间的三组第三转轴连接板组成。
本发明的有益效果在于：本发明提供的柔性屏应用的同轴190度包圆转动机构，采用同轴驱动旋转的整体结构设计，通过齿轮与齿条同轴旋转实现纯机械式弯折，满足0-190°的外折的折弯需求，灵活应用包圆结构及连接轴满足阻尼、扭力的需求，双边阻尼机构及两侧弹簧滑轨补偿机构设计，通过固定块的限位结构实现限位，保障弯折过程中不会出现屏的形变，满足柔性屏折弯的高精度控制需求。
图1是本发明柔性屏应用的同轴190度包圆转动机构190度整体结构图。
图2是本发明柔性屏应用的同轴190度包圆转动机构0度整体结构图。
图3是本发明柔性屏应用的同轴190度包圆转动机构整体结构分解图。
图4是本发明柔性屏应用的同轴190度包圆转动机构转动机构结构示意图。
图5是本发明柔性屏应用的同轴190度包圆转动机构中外折转轴分解图。
以下结合说明书附图对本发明作进一步说明：
实施例1：
如图1-5所示，本实施例公开的一种柔性屏应用的同轴190度包圆转动机构，包括结构主体1，所述结构主体1由两边的外折转轴2及设置于所述外折转轴2之间的多组转轴连接板3组成；所述外折转轴2包括两端的滑轨弹簧机构4及中间转动连接的转动机构5，所述转动机构5包括组合连接的固定块6、齿轮8及盖板7，所述固定块块6由第一固定块61、第二固定块62、第三固定块63及第四固定块64组成，且所述第二固定快62及第四固定块64分别设有包圆结构9；所述盖板7包括两侧的第一盖板71、第二盖板72及中间并列排布的三组第三盖板73组成。
申请人声明，所属技术领域的技术人员在上述实施例的基础上，将上述实施例某步骤，与发明内容部分的技术方案相组合，从而产生的新的方法，也是本发明的记载范围之一，本申请为使说明书简明，不再罗列这些步骤的其它实施方式。
所述滑轨弹簧机构4由滑轨连接座41、滑轨座42、滑轨铆钉43及滑轨弹簧44组成，所述滑轨连接座41连接所述滑轨座42、第二固定块62、第三固定块63及第四固定块64，即所述滑轨连接座41一侧连接所述滑轨座42，另一侧与所述第二固定块62、第三固定块63及第四固定块64组合连接，所述滑轨座42设有滑槽45，所述滑轨铆钉43设置在所述滑槽45内并滑动连接，所述滑轨弹簧44连接所述滑轨连接座41及滑轨座42，通过弹力产生摩擦阻尼、扭力及缓存。所述齿轮8与所述第一固定块61、第二固定块62、第三固定块63及第四固定块64组合连接，具体的：
所述齿轮8与所述第一固定块61定位连接；
所述齿轮8与所述第二固定块62、第三固定块63及第四固定块64同步连接并实现滑动定位。
所述第一固定块61、第二固定块62、第三固定块63及第四固定块64上分别设有齿条81，所述第三固定块63两端设有连接轴82连接所述第二固定块62及第四固定块64；
其中：
第二固定块62与第一固定块61滑动定位连接，通过所述第三固定块63的连接轴82实现扭力及阻尼，并通过所述齿条81联动齿轮8实现0度及180度的自锁功能；
所述第三固定块63与所述第二固定块62及第四固定块64的包圆结构9实现扭力及阻尼，并通过所述齿条81联动齿轮8同步连接左右实现0度及180度的自锁功能；所述第一固定块61与滑轨连接座41上分别设有盖板连接座74及盖板固定螺丝75，所述盖板连接座74通过所述固定螺丝75固定连接所述盖板7；所述滑轨连接座41分别固定连接所述第一盖板71及第二盖板72；所述第一固定块61分别固定连接所述第三盖板73。所述固定块6包括四组第二固定块62、第三固定块63、第四固定块64及三组第一固定块61。所述外折转轴2与所述转轴连接板3之间通过螺丝111实现固定连接，所述转轴连接板3包括一侧的第一转轴连接板31、两侧的两组第二转轴连接板32及中间的三组第三转轴连接板33组成。
申请人又一声明，本发明通过上述实施例来说明本发明的实现方法及装置结构，但本发明并不局限于上述实施方式，即不意味着本发明必须依赖上述方法及结构才能实施。所属技术领域的技术人员应该明了，对本发明的任何改进，对本发明所选用实现方法等效替换及步骤的添加、具体方式的选择等，均落在本发明的保护范围和公开范围之内。
本实施例技术原理：
采用同轴驱动旋转的整体结构设计，通过齿轮与齿条同轴旋转实现纯机械式弯折，满足0-190°的外折的折弯需求，灵活应用包圆结构及连接轴满足阻尼、扭力的需求，双边阻尼机构及两侧弹簧滑轨补偿机构设计，通过固定块的限位结构实现限位，保障弯折过程中不会出现屏的形变，满足柔性屏折弯的高精度控制需求。
以上所述仅是对本发明的较佳实施例，并非对本发明的范围进行限定，故在不脱离本发明设计精神的前提下，本领域普通工程技术人员对本发明所述的构造、特征及原理所做的等效变化或装饰，均应落入本发明申请专利 的保护范围内。
Claims (7)
- 柔性屏应用的同轴190度包圆转动机构，其特征在于：包括结构主体，所述结构主体由两边的外折转轴及设置于所述外折转轴之间的多组转轴连接板组成；所述外折转轴包括两端的滑轨弹簧机构及中间转动连接的转动机构，所述转动机构包括组合连接的固定块、齿轮及盖板，所述固定块块由第一固定块、第二固定块、第三固定块及第四固定块组成，且所述第二固定快及第四固定块分别设有包圆结构；所述盖板包括两侧的第一盖板、第二盖板及中间并列排布的三组第三盖板组成。
- 根据权利要求1所述的一种柔性屏应用的同轴190度包圆转动机构，其特征在于：所述滑轨弹簧机构由滑轨连接座、滑轨座、滑轨铆钉及滑轨弹簧组成，所述滑轨连接座连接所述滑轨座、第二固定块、第三固定块及第四固定块，即所述滑轨连接座一侧连接所述滑轨座，另一侧与所述第二固定块、第三固定块及第四固定块组合连接，所述滑轨座设有滑槽，所述滑轨铆钉设置在所述滑槽内并滑动连接，所述滑轨弹簧连接所述滑轨连接座及滑轨座，通过弹力产生摩擦阻尼、扭力及缓存。
- 根据权利要求1所述的一种柔性屏应用的同轴190度包圆转动机构，其特征在于：所述齿轮与所述第一固定块、第二固定块、第三固定块及第四固定块组合连接，具体的：所述齿轮与所述第一固定块定位连接；所述齿轮与所述第二固定块、第三固定块及第四固定块同步连接并实现滑动定位。
- 根据权利要求1所述的一种柔性屏应用的同轴190度包圆转动机构，其特征在于：所述第一固定块、第二固定块、第三固定块及第四固定块上分别设有齿条，所述第三固定块两端设有连接轴连接所述第二固定块及第四固定块；其中：第二固定块与第一固定块滑动定位连接，通过所述第三固定块的连接轴实现扭力及阻尼，并通过所述齿条联动齿轮实现0度及180度的自锁功能；所述第三固定块与所述第二固定块及第四固定块的包圆结构实现扭力及阻尼，并通过所述齿条联动齿轮同步连接左右实现0度及180度的自锁功能；
- 根据权利要求1所述的一种柔性屏应用的同轴190度包圆转动机构，其特征在于：所述第一固定块与滑轨连接座上分别设有盖板连接座及盖板固定螺丝，所述盖板连接座通过所述固定螺丝固定连接所述盖板；所述滑轨连接座分别固定连接所述第一盖板及第二盖板；所述第一固定块分别固定连接所述第三盖板。
- 根据权利要求1所述的一种柔性屏应用的同轴190度包圆转动机构，其特征在于：所述固定块包括四组第二固定块、第三固定块、第四固定块及三组第一固定块。
- 根据权利要求1所述的一种柔性屏应用的同轴190度包圆转动机构，其特征在于：所述外折转轴与所述转轴连接板之间通过螺丝实现固定连接，所述转轴连接板包括一侧的第一转轴连接板、两侧的两组第二转轴连接板及中间的三组第三转轴连接板组成。
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