WO2019100954A1 - 一种手机支架 - Google Patents

一种手机支架 Download PDF

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Publication number
WO2019100954A1
WO2019100954A1 PCT/CN2018/114904 CN2018114904W WO2019100954A1 WO 2019100954 A1 WO2019100954 A1 WO 2019100954A1 CN 2018114904 W CN2018114904 W CN 2018114904W WO 2019100954 A1 WO2019100954 A1 WO 2019100954A1
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WO
WIPO (PCT)
Prior art keywords
claw
mobile phone
lever
housing
claws
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PCT/CN2018/114904
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English (en)
French (fr)
Inventor
张勇华
阳勇
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深圳市车安达机电有限公司
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Application filed by 深圳市车安达机电有限公司 filed Critical 深圳市车安达机电有限公司
Publication of WO2019100954A1 publication Critical patent/WO2019100954A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers

Definitions

  • the invention relates to a mobile phone holder.
  • the present invention aims to provide a mobile phone holder that can be operated with one hand, and the clamping force of the mobile phone is greater by the reasonable combination of the connecting rod and the lever, and the clamping mobile phone is more stable, and the lever and the connection are used.
  • the rod folding property replaces the integral long claw, and the claw is returned to the highest point when the mobile phone is not clamped, and the connecting rod and the lever on the upper part of the supporting claw can be folded and stored into the outer casing, thereby shortening the length of the overall supporting claw. It is small in size when the mobile phone holder is not in use, and can be used to reliably and stably hold the mobile phone when in use.
  • the present invention is achieved by the following technical solutions.
  • a mobile phone holder includes a fixing base, a housing disposed on the fixing base, a left claw and a right claw, wherein the housing is provided with a guide rail for sliding the left and right claws, and further includes a claw a transmission mechanism, the claw is disposed under the housing, the claw is coupled to the left and right jaws by a transmission mechanism, and the transmission mechanism includes a lever and a connecting rod, and the lower end of the connecting rod Rotatingly connected to the supporting claw, the upper end of the connecting rod is rotatably connected with the lower end of the lever, and the upper end of the lever is rotatably connected with the left and right claws, so that the supporting claw is moved downward by the weight of the mobile phone
  • the left and right claws move inwardly to clamp the mobile phone
  • the transmission mechanism further includes a return spring, so that the claw returns to the highest point when the external force is not applied, and the left and right cards are simultaneously
  • the claws have the largest relative distance.
  • the lever comprises at least one left lever and a right lever which constitute an "X" type rotary connection, and the upper ends of the two links are respectively rotatably connected with the lower ends of the left and right levers, the left lever and The upper ends of the right lever are respectively
  • the left jaw and the right jaw are rotatably coupled.
  • the left lever and the right lever are rotatably connected in the middle of the two levers, and when the mobile phone is self-weighted, it exhibits an "X" unfolding, and is not folded by the spring when the returning position is applied by the spring.
  • the claw is provided with a notch groove for conveniently charging the mobile phone.
  • the method further includes a limiting post, the limiting post is disposed in the housing, and the left and right claws are provided with a limiting slot that cooperates with the limiting post for limiting the left The movement stroke of the claw and the right claw.
  • a gear is disposed between the left and right claws, the gear is located in the housing, and the left and right claws are provided with a rack that meshes with the gear to make the left
  • the jaws and the right jaw can move inward and outward simultaneously.
  • the left claw, the right claw and the claw are provided with a buffer rubber.
  • the left claw, the right claw and the claw are used to fix one end of the mobile phone in a hook shape.
  • the guide rail is in a horizontal direction.
  • the invention has the advantages that the connecting rod, the left claw, the right claw, the claw and the rotating shaft of the invention can be combined, and the left and right claws can be inward when the supporting claw moves downward.
  • the movement thus holds the mobile phone, and the mobile phone is reliable, stable and convenient, and can be operated by one hand; the invention realizes the ability to hold the mobile phone by the combination of a plurality of levers and a rotating shaft through the combination of the lever, the connecting rod and the rotating shaft, and the combination of the plurality of levers and the rotating shaft.
  • the mobile phone is reliable, stable and convenient, and can be operated by one hand;
  • the invention provides a return spring for returning the claw to the highest point when the mobile phone is not clamped, and even the connecting rod and the lever of the upper part of the claw can be folded and stored into the outer casing to realize
  • the utility model has the advantages of small size, and the mobile phone sticks out and reliably holds the mobile phone during use;
  • the invention utilizes the self-weight of the mobile phone to clamp, and the multi-stage rotating shaft and the transmission of the lever make the clamping torque larger and more stable and improve the safety;
  • the invention is a mobile phone bracket, and the owner can conveniently use the mobile phone to navigate, and at the same time, it is convenient to take down the mobile phone without occupying the space inside the vehicle and shielding the keys in the car, saving space, convenient and practical.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is an exploded view of the present invention
  • Figure 3 is a reference view of the mobile phone of the present invention just placed in an unclamped state
  • FIG. 4 is a reference diagram of a state in which a mobile phone is clamped according to the present invention.
  • Figure 5 is a schematic view showing the internal structure of the rear side of the second embodiment of the present invention.
  • a mobile phone 19 bracket includes a fixing base 11, a housing 1 disposed on the fixing base 11, a left claw 12, a right claw 4, a claw 14, and a transmission mechanism.
  • a guide rail 17 is provided in the housing 1 for sliding the left and right claws 12, 4, the guide rails 17 are disposed in a horizontal direction, and the claws 14 are disposed under the housing 1, the claws 14 is connected to the left and right claws 12 and 4 by a transmission mechanism.
  • the transmission mechanism includes two connecting rods 13 and a left lever 5 and a right lever 7 which are formed by an "X" type rotational connection.
  • the lower end of the rod 13 is rotatably connected with the claw 14
  • the upper ends of the two connecting rods 13 are respectively rotatably connected with the lower ends of the left lever 5 and the right lever 7 respectively, and the upper ends of the left lever 5 and the right lever 7 are respectively
  • the left claw 12 and the right claw 4 are rotatably connected, such that the claw 14 is moved downward by the weight of the mobile phone 19, the left and right claws 12 and 4 move inwardly to clamp the mobile phone 19
  • the left lever 5 and the right lever 7 are in an "X" deployment
  • the two links 13 are of equal length
  • the two shafts 13 are pivotally connected to the pawl 14 at the lower end of the link 13
  • the shaft 9 that is rotatably coupled to the claw 14 at the lower end of the two links 13 and the upper ends of the two links 13 are respectively formed with the rotating shaft 9 that is rotatably connected to the lower ends of the left lever 5 and the right lever 7, and the like.
  • the four apexes of the waist trapezoid 21, the two connecting rods 13 are two equal sides of the isosceles trapezoid 21, and the two lower ends of the connecting rods 13 are provided with engaging scalloped sector teeth 15 on the side of the rotating shaft 9
  • the teeth 15 are opposed to each other, and the two connecting rods 13 are oscillated at the same angle under the constraint of the sector teeth 15.
  • the transmission mechanism further includes a return spring 8 provided at the rotational joint of the left lever 5 and the right lever 7 a gasket 6, the spring 8 is disposed at one end in the casing 1 and at the other end on the gasket 6, so that the claw 14 returns to the highest point when it is not subjected to an external force, while the left claw 12 and The right claw 4 has the largest relative distance, and at this time, the left lever 5 and the right lever 7 are folded in a cross.
  • the claw 14 is provided with a notch groove for facilitating charging of the mobile phone 19.
  • a preferred embodiment further includes a limiting post 16 disposed in the housing 1 , the left and right claws 12 and 4 being provided with the limiting post 16
  • the limiting slot 18 is configured to limit the movement stroke of the left claw 12 and the right claw 4.
  • a gear 2 is disposed between the left claw 12 and the right claw 4, the gear 2 is located in the casing 1, and the left and right claws 12 and 4 are disposed on the right claw 4
  • the rack 20 meshing with the gear 2 enables the left and right claws 12 and 4 to move inward and outward in synchronization.
  • the left jaw 12, the right jaw 4 and the claw 14 are provided with a cushion rubber 3.
  • the left claw 12, the right claw 4, and the claw 14 are used to fix one end of the mobile phone 19 in a hook shape.
  • the housing 1 includes an upper housing 101 and a lower housing 102 that cooperate with each other, and the fixing base 11 is disposed on the lower housing 102.
  • the spring 8 is disposed at one end in the housing 1 and directly above the spacer 6, and at the other end on the spacer 6.
  • the guide rails can also be tilted.
  • the weight of the mobile phone 19 is greater than the resilience of the spring 8, the supporting claw 14 moves downward, the supporting claw 14 pulls the two connecting rods 13 downward, and the connecting rod 13 moves downward.
  • the left lever 5 and the right lever 7 are pulled by the central shaft 9, the left lever and the right lever 7 are only pulled downward by the scissors after being pulled downward by the downward pulling force, the lower end of the lever Closely inward while the upper end of the lever is also inwardly closed, the inwardly moving lever pulls the left claw 12 and the right claw 4 inwardly through the rotating shaft 9, and when the left claw 12 and the right claw 4 are clamped to the mobile phone 19, the same cannot be made.
  • the left and right claws 12 and 4 are stopped.
  • the lever and the link 13 are no longer moved, so that the claw 14 stops downward, and the claw 14 is lifted upward.
  • the claw 14 loses the weight of the mobile phone 19, and the spring 8 exerts a force on the rotating shaft 9 in the middle of the left lever 5 and the right lever 7, and the spring 8 elastically overcomes the weight of the lever and the connecting rod 13 and the claw 14
  • the left lever 5 and the right lever 7 can only be folded in a scissors shape after the upward pulling force, and the left lever 5 and the right lever 7 pull the connecting rod 13 to move upward and fold, thereby
  • the left lever 5, the right lever 7, and the connecting rod 13 are retracted into the outer casing, and at the same time, the lever 5 and the right lever 7 are folded in a scissors shape, and the left and right claws 12 and 4 are outwardly moved to the widest position of the claw. Wait for the phone 19 to be placed next time.
  • a mobile phone 19 bracket includes a fixing base 11, a housing 1 disposed on the fixing base 11, a left claw 12, a right claw 4, a claw 14, and a transmission.
  • the housing 1 is provided with a guide rail 17 for sliding the left and right claws 12 and 4, wherein the guide rail 17 is horizontally disposed, and the claw 14 is disposed below the housing 1.
  • the supporting claw 14 is connected to the left and right claws 12 and 4 by a transmission mechanism.
  • the transmission mechanism includes two connecting rods 13 and a left lever 5 and a right lever 7 which are formed by an "X" type rotational connection.
  • the lower end of the connecting rod 13 is rotatably connected with the supporting claw 14, and the upper ends of the two connecting rods 13 are respectively rotatably connected with the lower ends of the left lever 5 and the right lever 7, respectively, the left lever 5 and the right lever
  • the upper ends of 7 are rotatably coupled to the left and right claws 12, 4, respectively, such that the left and right jaws 12, 4, 4 are moved inwardly when the pawl 14 is moved downward by the weight of the handset 19.
  • the mobile phone 19 is clamped.
  • the left lever 5 and the right lever 7 are "X" deployed, the two links 13 are of equal length, and the lower ends of the two links 13 are rotated with the claws 14.
  • the rotating shafts 9 are coincident, the rotating shaft 9 of the lower end of the two connecting rods 13 and the supporting claw 14 is rotatably connected to the lower end of the left lever 5 and the right lever 7, respectively.
  • 9 forming three vertices of the isosceles triangle 22, the two links 13 being two equal sides of the isosceles triangle 22, the transmission mechanism further comprising a return spring 8, the left lever 5 and the right lever
  • a rotary joint 6 is provided with a gasket 6 which is disposed at one end in the casing 1 and at the other end on the gasket 6 so that the claw 14 returns to the highest point when it is not subjected to an external force.
  • the relative distance between the left claw 12 and the right claw 4 is the largest, and at this time, the left lever 5 and the right lever 7 are folded at the same time.
  • the claw 14 is provided with a notch groove for facilitating charging of the mobile phone 19.
  • a preferred embodiment further includes a limiting post 16 disposed in the housing 1 , the left and right claws 12 and 4 being provided with the limiting post 16
  • the limiting slot 18 is configured to limit the movement stroke of the left claw 12 and the right claw 4.
  • a gear 2 is disposed between the left claw 12 and the right claw 4, the gear 2 is located in the casing 1, and the left and right claws 12 and 4 are disposed on the right claw 4
  • the rack 20 meshing with the gear 2 enables the left and right claws 12 and 4 to move inward and outward in synchronization.
  • the left jaw 12, the right jaw 4 and the claw 14 are provided with a cushion rubber 3.
  • the left claw 12, the right claw 4, and the claw 14 are used to fix one end of the mobile phone 19 in a hook shape.
  • the housing 1 includes an upper housing 101 and a lower housing 102 that cooperate with each other, and the fixing base 11 is disposed on the lower housing 102.
  • the spring 8 is disposed at one end in the housing 1 and directly above the spacer 6, and at the other end on the spacer 6.
  • the guide rails can also be tilted.
  • the working principle of the second embodiment is the same as that of the first embodiment, and only the rotating shaft 9 that rotatably connects the claw 14 and the connecting rod 13 is changed from non-coincident to coincidence.
  • the isosceles trapezoids of Embodiments 1 and 2 make the claws unable to rotate, and the claws are more stable.
  • the isosceles triangle of Embodiment 2 allows the claws to rotate, and the bottom edge of the mobile phone can be arbitrarily adapted.
  • Embodiment 1 and Embodiment 2 serve the following functions:
  • the left lever 5 and the right lever 7 can be expanded into a long rod to extend the length of the claw 14 to stably position the mobile phone;

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Telephone Set Structure (AREA)

Abstract

本发明公开了一种手机支架，包括固定座、设置在固定座上的壳体、左卡爪、右卡爪，所述壳体内设有供所述左卡爪和右卡爪滑动的导轨，其特征在于，还包括托爪、传动机构，所述托爪设置在所述壳体下方，所述托爪通过传动机构与所述左卡爪和右卡爪连接，所述传动机构包括杠杆与连杆，使得所述托爪受手机自重向下运动时，所述左卡爪和右卡爪向内运动夹紧手机，所述传动机构还包括回位用弹簧，使得托爪在不受外力作用时回复至最高点，同时左卡爪和右卡爪相对距离最大。本发明放置手机可靠稳定方便，可单手操作,不夹持手机时将托爪回复至最高点，甚至可以托爪上部的连杆与杠杆折叠收纳至外壳内，实现在手机支架不使用时体积小巧。

Description

一种手机支架 技术领域
本发明涉及一种手机支架。
背景技术
市场上汽车越来越多，手机作为随身物品，上车时，有的车主将手机放于仪表台，转向、刹车、加速会使手机掉落引起车主手忙脚乱，从而有安全隐患，所以大部分车主都会将手机放置于手机支架内，避免发生掉落引发事故，驾车生活中都离不开手机放置，车主需要一个稳靠，上车方便放置，下车拿取手机方便的支架，但许多手机支架操作复杂，有些产品甚至需两只手才能放置与拿取，不方便的操作同时影响到驾车安全，目前手机支架由于托爪是整体长条托爪使得手机支架体积大，挡住车上操作按键，不方便车主使用且带来不安全因素。
发明内容
针对现有技术的不足，本发明旨在提供一种手机支架，单手即可操作，利用连杆与杠杆的合理组合对手机的夹持力更大，夹持手机更稳定，用杠杆与连杆折叠性来替代整体性的长条托爪，不夹持手机时将托爪回复至最高点，可以将托爪上部的连杆与杠杆折叠收纳至外壳内，缩短了整体托爪的长度，实现在手机支架不使用时体积小巧，使用时能展开可靠稳定夹持手机。
本发明的通过如下技术方案实现。
一种手机支架，包括固定座、设置在固定座上的壳体、左卡爪、右卡爪，所述壳体内设有供所述左卡爪和右卡爪滑动的导轨，还包括托爪、传动机构，所述托爪设置在所述壳体下方，所述托爪通过传动机构与所述左卡爪和右卡爪连接，所述传动机构包括杠杆与连杆，所述连杆下端均与所述托爪转动连接，所述连杆上端与所述杠杆下端转动连接，所述杠杆上端与所述左卡爪和右卡爪 转动连接，使得所述托爪受手机自重向下运动时，所述左卡爪和右卡爪向内运动夹紧手机，所述传动机构还包括回位用弹簧，使得托爪在不受外力作用时回复至最高点，同时左卡爪和右卡爪相对距离最大。
优选的，所述杠杆包括至少一组成“X”型转动连接的左杠杆和右杠杆，两根所述连杆的上端分别与所述左杠杆和右杠杆的下端转动连接，所述左杠杆和右杠杆的上端分别与
所述左卡爪和所述右卡爪转动连接。
优选的，所述左杠杆和右杠杆在两根杠杆中部转动连接，在受手机自重时呈现“X”展开，不受手机重力时，在所述回位用弹簧作用下交叉折叠。
优选的，所述托爪上设有缺口槽，便于给手机充电。
优选的，还包括限位柱，所述限位柱设置在所述壳体内，所述左卡爪和右卡爪设有与所述限位柱配合的限位槽，用于限制所述左卡爪和所述右卡爪的运动行程。
优选的，所述左卡爪与右卡爪之间设置有齿轮，所述齿轮位于所述壳体内，所述左卡爪与右卡爪上设置有与所述齿轮啮合的齿条，使左卡爪与右卡爪能同步向内及向外运动。
优选的，所述左卡爪、右卡爪和托爪上设有缓冲胶。
优选的，所述左卡爪、右卡爪和托爪用于固定手机的一端成钩状。
优选的，所述导轨在水平方向上。
与现有技术相比，本发明的优点是：本发明连杆、左卡爪、右卡爪、托爪与转轴组合，可以实现托爪向下运动时，左卡爪和右卡爪向内运动从而夹持手机，放置手机可靠稳定方便，可单手操作；本发明通过杠杆与连杆及转轴的组合，利用四边形不稳定特性，通过多个杠杆与转轴的组合，实现能夹持手机，放置手机可靠稳定方便，可单手操作；本发明设置回位用弹簧，在不夹持手机时将托爪回复至最高点，甚至可以托爪上部的连杆与杠杆折叠收纳至外壳内，实现在手机支架不使用时体积小巧，使用时伸出可靠夹持手机；本发明利用手机自重来夹持，多级转轴及杠杆的传递，使夹持力矩更大，更稳靠提高安全性；本发明为手机支架，车主即能方便使用放置手机进行导航，同时方便拿下手机 后不占用车内空间与遮挡车内按键，节省空间，方便实用。
附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1为本发明的结构示意图；
图2为本发明的爆炸图；
图3为本发明的手机刚放入未夹紧状态参考图；
图4为本发明的手机夹紧状态参考图；
图5为本发明第二种实施方式后侧内部结构示意图；
图中：1、壳体，2、齿轮，3、缓冲胶，4、右卡爪，5、左杠杆，6、垫片，7、右杠杆，8、弹簧，9、转轴，10、螺钉，11、固定座，12、左卡爪，13、连杆，14、托爪，15、扇形齿，16、限位柱，17、导轨，18、限位槽，19、手机，20、齿条，21、等腰梯形，22、等腰三角形，101、上壳，102、下壳。
具体实施方式
下面结合具体实施例对本发明作进一步说明，但不作为本发明的限定。
实施例1
如图1至图4所示，一种手机19支架，包括固定座11、设置在固定座11上的壳体1、左卡爪12、右卡爪4、托爪14、传动机构，所述壳体1内设有供所述左卡爪12和右卡爪4滑动的导轨17，所述导轨17在水平方向上，所述托爪14设置在所述壳体1下方，所述托爪14通过传动机构与所述左卡爪12和右卡爪4连接，所述传动机构包括两根连杆13一组成“X”型转动连接的左杠杆5和右杠杆7，两根所述连杆13下端均与所述托爪14转动连接，两根所述连杆13的上端分别与所述左杠杆5和右杠杆7的下端转动连接，所述左杠杆5和右杠杆7的上端分别与所述左卡爪12和所述右卡爪4转动连接，使得所述托爪14受手机19自重向下运动时，所述左卡爪12和右卡爪4向内运动夹紧手机19，此时，所述左杠杆5和右杠杆7呈现“X”展开，两根连杆13长度相等，两根所述连杆13下端与所述托爪14转动连接的转轴9不重合，两根连杆13下端与所述托爪14转动连接的转轴9、两根所述连杆13的上端分 别与所述左杠杆5和右杠杆7的下端转动连接的转轴9形成等腰梯形21的四个顶点，两根所述连杆13为等腰梯形21的两条相等的边，两根所述连杆13下端转轴9侧带有相啮合的贝壳状扇形齿15，扇形齿15朝内相对，两根所述连杆13在扇形齿15约束下同角度摆动，所述传动机构还包括回位用弹簧8，所述左杠杆5和右杠杆7的转动连接处设有垫片6，所述弹簧8一端设置在所述壳体1内，另一端设置在所述垫片6上，使得托爪14在不受外力作用时回复至最高点，同时左卡爪12和右卡爪4相对距离最大，此时，所述左杠杆5和右杠杆7交叉折叠。
作为优选的实施方案，所述托爪14上设有缺口槽，便于给手机19充电。
作为优选的实施方案，还包括限位柱16，所述限位柱16设置在所述壳体1内，所述左卡爪12和右卡爪4设有与所述限位柱16配合的限位槽18，用于限制所述左卡爪12和所述右卡爪4的运动行程。
作为优选的实施方案，所述左卡爪12与右卡爪4之间设置有齿轮2，所述齿轮2位于所述壳体1内，所述左卡爪12与右卡爪4上设置有与所述齿轮2啮合的齿条20，使左卡爪12与右卡爪4能同步向内及向外运动。
作为优选的实施方案，所述左卡爪12、右卡爪4和托爪14上设有缓冲胶3。
作为优选的实施方案，所述左卡爪12、右卡爪4和托爪14用于固定手机19的一端成钩状。
作为优选的实施方案，所述壳体1包括相互配合的上壳101和下壳102，所述固定座11设置在所述下壳102上。
作为优选的实施方案，所述弹簧8一端设置在所述壳体1内且位于所述垫片6的正上方，另一端设置在所述垫片6上。
其中导轨也可倾斜设置。
工作原理：
当放置手机19时，托爪14上放上手机19，手机19重量大于弹簧8的回弹力，托爪14下行移动，托爪14拉动两根连杆13向下运动，连杆13向下运动时拉动左杆杆与右杠杆7，但由于左杠杆5与右杠杆7受中部转轴9的限制， 左杆杆与右杠杆7受向下的拉力后只能呈剪刀状向内侧靠拢，杠杆下端向内靠拢同时杠杆上端也向内靠拢，向内运动的杠杆通过转轴9拉动左卡爪12与右卡爪4向内运动，当左卡爪12与右卡爪4夹持到手机19不能向内运动时，左卡爪12与右卡爪4停止，当左卡爪12与右卡爪4停止时，杠杆与连杆13不再运动，从而使托爪14停止下行，托爪14向上托举手机19，通过杠杆与连杆13的组合，从而实现托爪14下行同时左卡爪12与右卡爪4向内夹持住手机19，且夹持住手机19托爪14不再下行从而实现挺举住手机19，实现手机19放置。当拿出手机19时，托爪14失去手机19重量，在弹簧8拉力作用在左杠杆5与右杠杆7中部的转轴9上，弹簧8弹力克服杠杆与连杆13及托爪14的自身重量，拉动杠杆上行，在导向轨及转轴9的限制下，左杠杆5和右杠杆7受向上的拉力后只能呈剪刀状折叠，左杠杆5和右杠杆7拉动连杆13向上运动折叠，从而左杠杆5、右杠杆7、连杆13回缩到外壳内，在此同时杠杆5、右杠杆7呈剪刀状折叠推动左卡爪12与右卡爪4向外运动张开至卡爪最宽等待下下次放置手机19。
实施例2
如图5所示，结合图1至图4，一种手机19支架，包括固定座11、设置在固定座11上的壳体1、左卡爪12、右卡爪4、托爪14、传动机构，所述壳体1内设有供所述左卡爪12和右卡爪4滑动的导轨17，所述导轨17在水平方向上，所述托爪14设置在所述壳体1下方，所述托爪14通过传动机构与所述左卡爪12和右卡爪4连接，所述传动机构包括两根连杆13一组成“X”型转动连接的左杠杆5和右杠杆7，两根所述连杆13下端均与所述托爪14转动连接，两根所述连杆13的上端分别与所述左杠杆5和右杠杆7的下端转动连接，所述左杠杆5和右杠杆7的上端分别与所述左卡爪12和所述右卡爪4转动连接，使得所述托爪14受手机19自重向下运动时，所述左卡爪12和右卡爪4向内运动夹紧手机19，此时，所述左杠杆5和右杠杆7呈现“X”展开，两根连杆13长度相等，两根所述连杆13下端与所述托爪14转动连接的转轴9重合，两根连杆13下端与所述托爪14转动连接的转轴9、两根所述连杆13的上端分别与所述左杠杆5和右杠杆7的下端转动连接的转轴9形成等腰三角 形22的三个顶点，两根所述连杆13为等腰三角形22的两条相等的边，所述传动机构还包括回位用弹簧8，所述左杠杆5和右杠杆7的转动连接处设有垫片6，所述弹簧8一端设置在所述壳体1内，另一端设置在所述垫片6上，使得托爪14在不受外力作用时回复至最高点，同时左卡爪12和右卡爪4相对距离最大，此时，所述左杠杆5和右杠杆7交叉折叠。
作为优选的实施方案，所述托爪14上设有缺口槽，便于给手机19充电。
作为优选的实施方案，还包括限位柱16，所述限位柱16设置在所述壳体1内，所述左卡爪12和右卡爪4设有与所述限位柱16配合的限位槽18，用于限制所述左卡爪12和所述右卡爪4的运动行程。
作为优选的实施方案，所述左卡爪12与右卡爪4之间设置有齿轮2，所述齿轮2位于所述壳体1内，所述左卡爪12与右卡爪4上设置有与所述齿轮2啮合的齿条20，使左卡爪12与右卡爪4能同步向内及向外运动。
作为优选的实施方案，所述左卡爪12、右卡爪4和托爪14上设有缓冲胶3。
作为优选的实施方案，所述左卡爪12、右卡爪4和托爪14用于固定手机19的一端成钩状。
作为优选的实施方案，所述壳体1包括相互配合的上壳101和下壳102，所述固定座11设置在所述下壳102上。
作为优选的实施方案，所述弹簧8一端设置在所述壳体1内且位于所述垫片6的正上方，另一端设置在所述垫片6上。
其中导轨也可倾斜设置。
实施例2的工作原理与实施例1的工作原理相同，仅将托爪14与连杆13转动连接的转轴9由不重合改成重合。
实施例1和实施例2的等腰梯形使得托爪不能转动，托爪更稳固，实施例2的等腰三角形使得托爪可以转动，可任意适配手机底边。
实施例1和实施例2中的左杠杆和右杠杆起到以下作用：
1、受弹簧8的回复力回位后左杠杆5、右杠杆7、连杆13可以折叠减少体积；
2、托爪14向下拉时，左杠杆5和右杠杆7可以展变为长杆延长托爪14长度稳定放置手机；
3、左杠杆5和右杠杆7下端受拉力时，受左杠杆5和右杠杆7中部转轴9限制，可以将向下的力转为向内靠拢的力，容易将左卡爪12、右卡爪4向内靠拢，达到省力效果，将向下的拉力转化成向内成夹持的力。
以上所述仅为本发明较佳的实施例，并非因此限制本发明的实施方式及保护范围，对于本领域技术人员而言，应当能够意识到凡运用本发明说明书及图示内容所作出的等同替换和显而易见的变化所得到的方案，均应当包含在本发明的保护范围内。

Claims (9)

  1. 一种手机支架，包括固定座、设置在固定座上的壳体、左卡爪、右卡爪，所述壳体内设有供所述左卡爪和右卡爪滑动的导轨，其特征在于，还包括托爪、传动机构，所述托爪设置在所述壳体下方，所述托爪通过传动机构与所述左卡爪和右卡爪连接，所述传动机构包括杠杆与连杆，所述连杆下端均与所述托爪转动连接，所述连杆上端与所述杠杆下端转动连接，所述杠杆上端与所述左卡爪和右卡爪转动连接，使得所述托爪受手机自重向下运动时，所述左卡爪和右卡爪向内运动夹紧手机，所述传动机构还包括回位用弹簧，使得托爪在不受外力作用时回复至最高点，同时左卡爪和右卡爪相对距离最大。
  2. 根据权利要求1所述的手机支架，其特征在于，所述杠杆包括至少一组成“X”型转动连接的左杠杆和右杠杆，两根所述连杆的上端分别与所述左杠杆和右杠杆的下端转动连接，所述左杠杆和右杠杆的上端分别与所述左卡爪和所述右卡爪转动连接。
  3. 根据权利要求2所述的手机支架，其特征在于，所述左杠杆和右杠杆在两根杠杆中部转动连接，在受手机自重时呈现“X”展开，不受手机重力时，在所述回位用弹簧作用下交叉折叠。
  4. 根据权利要求1所述的手机支架，其特征在于，所述托爪上设有缺口槽，便于给手机充电。
  5. 根据权利要求1所述的手机支架，其特征在于，还包括限位柱，所述限位柱设置在所述壳体内，所述左卡爪和右卡爪设有与所述限位柱配合的限位槽，用于限制所述左卡爪和所述右卡爪的运动行程。
  6. 根据权利要求1所述的手机支架，其特征在于，所述左卡爪与右卡爪之间设置有齿轮，所述齿轮位于所述壳体内，所述左卡爪与右卡爪上设置有与所述齿轮啮合的齿条，使左卡爪与右卡爪能同步向内及向外运动。
  7. 根据权利要求1所述的手机支架，其特征在于，所述左卡爪、右卡爪和托爪上设有缓冲胶。
  8. 根据权利要求1所述的手机支架，其特征在于，所述左卡爪、右卡爪和托爪用于固定手机的一端成钩状。
  9. 根据权利要求1所述的手机支架，其特征在于，所述导轨在水平方向上。
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