WO2020191908A1 - 一种自动夹紧的手机支架 - Google Patents

一种自动夹紧的手机支架 Download PDF

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Publication number
WO2020191908A1
WO2020191908A1 PCT/CN2019/087710 CN2019087710W WO2020191908A1 WO 2020191908 A1 WO2020191908 A1 WO 2020191908A1 CN 2019087710 W CN2019087710 W CN 2019087710W WO 2020191908 A1 WO2020191908 A1 WO 2020191908A1
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WO
WIPO (PCT)
Prior art keywords
groove
mobile phone
base
gear
limiting
Prior art date
Application number
PCT/CN2019/087710
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English (en)
French (fr)
Inventor
李佳洋
陈善长
Original Assignee
李佳洋
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 李佳洋 filed Critical 李佳洋
Publication of WO2020191908A1 publication Critical patent/WO2020191908A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers

Definitions

  • the invention relates to the field of mobile phone supports, in particular to an automatically clamped mobile phone support.
  • the technical problem to be solved by the present invention is to provide an automatically clamped mobile phone holder in view of the above-mentioned shortcomings in the prior art, which can automatically clamp the mobile phone, release the hands of the user, and is convenient for the user to use.
  • an automatically clamped mobile phone holder including a base, a pallet, two clamping arms, and a driving mechanism for driving the two clamping arms to clamp the mobile phone or loosen the mobile phone.
  • the arms are rotatably arranged on the left and right sides of the base, and the support plate is telescopically arranged on the lower end of the base.
  • the two clamping arms, the base and the support plate surround a clamping space for clamping the mobile phone.
  • the drive assembly is arranged in the base, the drive assembly includes a drive motor, a gear, a transmission member, and a transmission assembly, the drive motor is fixedly installed in the base, and the drive motor is connected to the gear through the transmission assembly,
  • the transmission member includes a first main body portion and branch portions formed obliquely extending upward and outward from two sides of the first main body portion.
  • the first main body portion is provided with a first guide groove in the axial direction, and the first guide groove A first rack is provided on the side wall, the gear and the first rack are meshed with each other, the support portion is provided with a guide post protruding downward, and the clamping arm is provided with a mounting hole and a second inclined A guide groove, the guide post is installed in the second guide groove, a rotating shaft protruding upward is arranged in the base, and the clamp arm is sleeved outside the rotating shaft through a mounting hole to be rotatably mounted on the base.
  • the angle between the second guide groove and the axis is 15°-60°; the angle between the second guide groove 32 and the axis is preferably 25°-35°.
  • the base includes a bottom shell, an upper shell arranged on the bottom shell, and a middle shell arranged between the bottom shell and the upper shell.
  • the transmission assembly includes a worm, a first transmission gear, and a second transmission gear.
  • a transmission gear and a third transmission gear, the worm is fixedly connected to the output shaft of the drive motor, the first transmission gear and the second transmission gear have the same structure, including a large gear part and a small gear part integrally connected with the large gear ,
  • the large gear portion of the first transmission gear meshes with the worm, the small gear portion of the first transmission gear meshes with the large gear portion of the second transmission gear, and the small gear portion of the second transmission gear meshes with the third transmission gear.
  • the gear includes a second main body portion, a rack portion arranged above the second main body portion, and a limiting portion extending outwardly from both sides of the second main body portion.
  • the third transmission gear is axially arranged There is a first through groove adapted to the second main body part, the middle shell is provided with a second through groove adapted to the first through groove, the back of the third transmission gear is provided with a first limiting groove, the The limiting part is arranged in the first limiting groove, the rack part passes through the first through groove and the second through groove successively and protrudes from the top surface of the middle shell to engage with the first rack of the transmission member.
  • the length of the first limiting slot is greater than the length of the limiting portion, both ends of the first limiting slot have limiting end surfaces respectively, and the first limiting slot and the limiting portion slide mutually Cooperate, when the third transmission gear rotates forward or backward, the first limit slot rotates forward or backward until the limit end surface of the first limit slot reaches the limit part, push the The two main body parts rotate to drive the rack part to rotate.
  • the limiting portion of the gear is a fan ring slider
  • the first limiting groove of the third transmission gear is a fan ring chute
  • the center angle of the fan ring chute is minus the fan ring.
  • the difference in the center angle of the slider is 3 degrees to 20 degrees.
  • the middle shell is provided with two first limiting blocks, the two first limiting blocks are separately provided on the left and right sides of the second through slot, and the first main body of the transmission member is provided with A second limit slot adapted to a limit block.
  • the automatically clamped mobile phone holder further includes a telescopic component, the telescopic component includes a bottom plate, a telescopic piece and a spring, the bottom plate is fixedly mounted on the base, and the bottom plate is provided with a third through slot and An accommodating groove communicating with the third through groove, the telescopic element is installed in the accommodating groove, the telescopic element includes two sliding parts and a connecting part connecting the two sliding parts, the length of the sliding part is less than The length of the accommodating groove, the top surface of the sliding part is provided with a second rack, the second rack extends from the top surface of the bottom plate, and the lower end of the third through groove is provided with a first mounting post,
  • the connecting portion is provided with a second mounting post, the first mounting post and the second mounting post are arranged oppositely, the upper end of the spring is sleeved on the second installation post, and the lower end of the spring is sleeved on the first installation post , And the upper end surface of the spring
  • a first block is provided on the back of the support plate, and the first block can be clamped in the gap between two adjacent teeth in the second rack, and the bottom plate is axially provided with Two sliding grooves, the two sliding grooves are separately arranged on both sides of the accommodating groove, the back of the supporting plate is provided with a sliding block adapted to the sliding groove, and the supporting plate is slidably installed in the sliding groove through the sliding block to the bottom plate ,
  • the middle shell is covered above the pallet, and third racks are provided on both sides of the pallet, and fourth through slots are provided on both sides of the middle shell.
  • the side wall is provided with a second blocking block, and the second blocking block can be clamped in the gap between two adjacent teeth in the third rack.
  • the automatically clamped mobile phone holder further includes a circuit board and a battery, the circuit board and the battery are arranged on the bottom case, the circuit board is arranged above the battery, and the circuit board is electrically connected to the battery.
  • the bottom plate is installed above the circuit board, the circuit board is provided with a toggle switch, the telescopic member is provided with a toggle portion for toggle the toggle switch, the toggle portion and the connecting portion surround An opening for exposing the toggle switch is formed, and the upper end of the toggle portion is provided with an arc-shaped notch for facilitating the toggle portion to toggle the toggle switch to reset it.
  • the automatically clamped mobile phone holder further includes a wireless charging component
  • the non-charging component includes a wireless charging coil, a wireless charging base plate and a wireless charging circuit board
  • the wireless charging circuit board is fixedly arranged on the transmission member
  • the wireless charging base plate is fixedly arranged above the wireless charging circuit board
  • the wireless charging coil is arranged above the wireless charging base plate
  • the wireless charging coil is electrically connected to the wireless charging circuit board
  • the wireless charging circuit board is connected to the battery. Electric connection.
  • the automatically clamped mobile phone holder further includes side shells arranged on the left and right sides of the bottom shell and the upper shell, and the upper shell is fixedly connected to the bottom shell by screw connection, and the side shell is provided with A third clamping block protruding radially inward, the bottom shell and the upper shell are provided with clamping grooves adapted to the third clamping block.
  • the two clamping arms can be driven to rotate inward and automatically clamp the mobile phone through the cooperation of the driving motor, the transmission part and the transmission assembly, and the user's hands are released, which is convenient for the user to use; and the worm type transmission mode can effectively solve the clamping arm In the back and forth movement, the clamp arm is stuck due to swinging and other reasons, which improves the user experience; through the cooperation of the telescopic component, the pallet and the toggle switch, the user can turn on the automatic clamping when the phone is placed in the phone holder.
  • the holding function does not require the user to press the key to turn on the clamping function, which is further convenient for users.
  • Figure 1 is an exploded view of an embodiment of the present invention.
  • Figure 2 is an assembly structure diagram of the drive motor, gears and transmission components of the present invention.
  • Figure 3 is an assembly structure diagram of the telescopic component and the toggle switch of the present invention.
  • Figure 4 is a structural diagram of the transmission element of the present invention.
  • Figure 5 is a structural diagram of the clamping arm of the present invention.
  • Figure 6 is a structural diagram of the pallet of the present invention.
  • Fig. 7 is another exploded view of the embodiment of the present invention.
  • Fig. 8 is a back structure diagram of the gear and the third transmission gear.
  • an automatically clamped mobile phone holder includes a base, a support plate 4, two clamping arms 3, and a driving mechanism for driving the two clamping arms 3 to clamp or release the mobile phone.
  • the two clamping arms 3 is rotatably arranged on the left and right sides of the base
  • the support plate 4 is telescopically arranged at the lower end of the base
  • the two clamping arms 3, the base and the support plate 4 are surrounded to form a clamp for clamping the mobile phone Holding space
  • the drive assembly is arranged in the base
  • the drive assembly includes a drive motor 1, a gear 5, a transmission member 6, and a transmission assembly
  • the drive motor 1 is fixedly installed in the base
  • the drive motor 1 The transmission member 6 is connected to the gear 5 by a transmission assembly.
  • the transmission member 6 includes a first main body portion 61 and a branch portion 62 that extends upward and outward obliquely from both sides of the first main body portion 61.
  • the first main body portion 61 is along the axis.
  • a first guide groove 63 is provided on the side wall of the first guide groove 63
  • a first rack 64 is provided on the side wall of the first guide groove 63
  • the gear 5 and the first rack 64 mesh with each other
  • the support portion 62 is provided with a downward convex
  • the clamping arm 3 is provided with a mounting hole 31 and a second guide groove 32 that is arranged obliquely.
  • the guide column 65 is installed in the second guide groove 32, and the base is provided with upward A protruding rotating shaft 101, the clamp arm 3 is sleeved outside the rotating shaft 101 through a mounting hole 31 and is rotatably mounted on a base.
  • the angle between the second guide groove 32 and the axis is 15°-60°, and the angle between the second guide groove 32 and the axis is preferably 25°-35°.
  • the base includes a bottom shell 10, an upper shell 12 arranged on the bottom shell 10, and a middle shell 11 arranged between the bottom shell 10 and the upper shell 12, and the transmission assembly includes a worm 2,
  • the worm 2 is fixedly connected to the output shaft of the drive motor 1.
  • the first transmission gear 7 and the second transmission gear 8 have the same structure, It includes a large gear portion and a small gear portion integrally connected with the large gear portion.
  • the large gear portion of the first transmission gear 7 meshes with the worm 2, and the small gear portion of the first transmission gear 7 and the second transmission gear 8
  • the large gear portion meshes with the small gear portion of the second transmission gear 8 meshes with the third transmission gear 9.
  • the gear 5 includes a second main body portion 51, a rack portion 52 disposed above the second main body portion 51, and a
  • the second main body portion 51 extends outwardly on both sides of the limiting portion 53
  • the third transmission gear 9 is provided with a first through groove 91 adapted to the second main body portion 51 in the axial direction
  • the middle shell 11 is provided with
  • the second through groove 114 is adapted to the first through groove 91
  • the back of the third transmission gear 9 is provided with a first limiting groove 92
  • the limiting portion 53 is provided in the first limiting groove 92
  • the rack portion 52 successively passes through the first through groove 91 and the second through groove 92 and protrudes from the top surface of the middle shell 11 to engage with the first rack 64 of the transmission member 6, and the rotating shaft 101 is arranged on the base
  • the length of the first limiting slot 92 is greater than the length of the limiting portion 53, both ends of the first limiting slot 92 are respectively provided with limiting end surfaces, and the first
  • the driving motor When the driving motor is started, the limit end surface of the first limit slot 92 cannot touch the limit portion 53, so that the third transmission gear 9 cannot drive the gear 5 to rotate. At this time, the gear 5 is in a stationary state and cannot drive the transmission member. 6 work; and after the drive motor is started for a certain period of time, the limit end surface of the first limit slot 92 touches the limit portion 53, so that the third transmission gear 9 drives the gear 5 to rotate, and the transmission member 6 is driven to work. Since the driving motor has a relatively large rotational driving force after a certain period of time is started, even if the clamping arm or transmission member is clamped, the driving motor can drive the clamping arm or transmission member to overcome the clamping resistance and clamp or clamp in time.
  • the limiting portion 53 of the gear 5 is a fan ring slider
  • the first limiting groove 92 of the third transmission gear 9 is a fan ring chute
  • the central angle of the fan ring chute minus the fan The difference in the central angle of the ring slider is 3 degrees to 20 degrees.
  • the middle shell 11 is provided with two first limiting blocks 111, and the two first limiting blocks 111 are separately provided on the left and right sides of the second through groove 92, and the first body of the transmission member 6
  • the portion 61 is provided with a second limiting groove 66 adapted to the first limiting block 111.
  • the automatically clamped mobile phone holder also includes a telescopic component
  • the telescopic component includes a bottom plate 14, a telescopic member 15, and a spring 16
  • the bottom plate 14 is fixedly installed on the base
  • the bottom plate 14 is provided with The third through groove and the accommodating groove communicating with the third through groove
  • the telescopic member 15 is installed in the accommodating groove
  • the telescopic member 15 includes two sliding parts 151 and a connecting part connecting the two sliding parts 151 152.
  • the length of the sliding portion 151 is less than the length of the accommodating groove
  • a second rack 155 is provided on the top surface of the sliding portion 151
  • the second rack 155 extends from the top surface of the bottom plate 14.
  • the lower end of the third through slot is provided with a first mounting post 141
  • the connecting portion 152 is provided with a second mounting post 156
  • the first mounting post 141 and the second mounting post 156 are arranged oppositely
  • the spring 16 The upper end is sleeved on the second mounting post 156
  • the lower end of the spring 16 is sleeved on the first mounting post 141
  • the upper end surface of the spring 16 abuts against the lower end surface of the connecting portion 152, and the lower end surface of the spring 16 and The lower end surfaces of the third through grooves are offset.
  • a first blocking block 41 is provided on the back of the pallet 4, and the first blocking block 41 can be clamped in the gap between two adjacent teeth in the second rack 155.
  • 14 is provided with two sliding grooves 142 in the axial direction.
  • the two sliding grooves 142 are respectively arranged on both sides of the accommodating groove.
  • the back of the pallet 4 is provided with a sliding block 42 that is adapted to the sliding groove 142.
  • the block 42 is slidably arranged in the sliding groove 142 and is slidably mounted on the bottom plate 14.
  • the middle shell 11 is covered above the pallet 4, and third racks 43 are provided on both sides of the pallet 4.
  • a fourth through slot 112 is provided on both sides of the shell 11, and a second locking block 113 is provided on the side wall of the fourth through slot 112. The second locking block 113 can be locked in the third rack 43 adjacent to two In the gap between the teeth.
  • the automatically clamped mobile phone holder further includes a circuit board 17 and a battery, the circuit board 17 and the battery are arranged on the bottom case 10, the circuit board 17 is arranged above the battery, and the circuit The board 17 is electrically connected to the battery.
  • the bottom plate 14 is mounted above the circuit board 17, the circuit board 17 is provided with a toggle switch 171, and the telescopic member 15 is provided with a toggle for toggle the toggle switch 171
  • the toggle portion 153 and the connecting portion 152 surround an opening through which the toggle switch 171 is exposed.
  • the upper end of the toggle portion 153 is provided with a convenient way for the toggle portion 153 to toggle the toggle switch 171 to reset it The curved gap 154.
  • the automatically clamped mobile phone holder further includes a wireless charging component, and the non-charging component includes a wireless charging coil 19, a wireless charging base plate 20, and a wireless charging circuit board 21.
  • the wireless charging circuit board 21 is fixed.
  • the wireless charging base plate 20 is fixed above the wireless charging circuit board 21, and the wireless charging coil 19 is located above the wireless charging base plate 20.
  • the wireless charging coil 19 is connected to the wireless charging circuit board 21.
  • Electrically connected, the wireless charging circuit board 21 is electrically connected to the battery, so that the function of wireless charging for the mobile phone can be realized, the functional range of the mobile phone holder is expanded, and the practicality of the mobile phone holder is improved.
  • the automatically clamped mobile phone holder further includes side shells 13 arranged on the left and right sides of the bottom shell 10 and the upper shell 12, and the upper shell 12 is fixedly connected to the bottom shell 10 by screwing, so
  • the side shell 13 is provided with a third clamping block 131 protruding radially inward
  • the bottom shell 10 and the upper shell 12 are provided with a clamping groove 18 that is adapted to the third clamping block.
  • the toggle part 153 toggles the toggle switch 171
  • the drive motor 1 works, drives the gear 5 to rotate, the gear 5 and the first rack 64 cooperate to drive the transmission member 6 to move upward, so that The two clamping arms 3 rotate inward to clamp the mobile phone.
  • the pallet 4 is reset upward under the action of the spring 16, the arc-shaped notch 154 at the upper end of the toggle part 153 resets the toggle switch 171 through the toggle switch 171, the motor 1 is driven to work, and the gear 5 is driven.
  • the gear 5 and the first rack 64 cooperate to drive the transmission member 6 to move downward, so that the two clamping arms 3 rotate outward, and the mobile phone holder is in an open state.
  • the beneficial effects of the present invention are: through the cooperation of the drive motor 1, the transmission member 6 and the transmission assembly, the two clamping arms 3 can be driven to rotate inward and automatically clamp the mobile phone, freeing the user's hands, which is convenient for the user to use; through the worm-type transmission mode, it is effective Solve the problem that the clamp arm 3 is stuck due to swinging during the back and forth movement of the clamp arm 3, and improve the user experience; through the cooperation of the telescopic assembly, the pallet 4 and the toggle switch 171, the user can put the mobile phone into the mobile phone holder
  • the automatic clamping function can be turned on immediately without the user pressing the button to turn on the clamping function, which is further convenient for users to use.
  • the invention is an automatically clamped mobile phone holder.
  • the two clamping arms can be driven to rotate inward and automatically clamp the mobile phone, freeing the user's hands and making it convenient for the user to use; through the worm-type transmission mode, It can effectively solve the problem that the clamp arm is stuck due to swinging during the back and forth movement, and improve the user experience; through the cooperation of the telescopic component, the pallet and the toggle switch, the user puts the phone into the phone holder at the moment Then the automatic clamping function can be turned on, and the user does not need to press the key to turn on the clamping function, which is further convenient for users to use. Therefore, the present invention has industrial applicability.

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

Abstract

本发明公开一种自动夹紧的手机支架，包括基座、托板、两夹臂和驱动机构，两夹臂设置于基座的两侧，所述托板设置于基座的下端，两夹臂、基座和托板之间围绕形成夹持空间，所述驱动组件设置于基座内，所述驱动组件包括驱动电机、齿轮、传动件和传动组件，所述驱动电机固定装设于基座内，所述驱动电机通过传动组件与齿轮传动连接，所述传动件包括第一主体部和支部，所述第一主体部设置有第一导向槽，所述第一导向槽设置有第一齿条，所述齿轮与第一齿条相互啮合，所述支部设置有导向柱，所述夹臂上设有安装孔和第二导向槽，所述导向柱装设于第二导向槽内，所述基座内设置有转轴。本发明能自动夹持手机，释放用户双手，方便用户使用。

Description

一种自动夹紧的手机支架 技术领域
本发明涉及手机支架领域，特别涉及一种自动夹紧的手机支架。
 背景技术
随着电子产品种类日益繁多，手机已成为人们生活中不可缺少的电子产品，而且随着手机的功能日益增加，导航功能也成为了许多人不可缺少的一部分，但是目前用于固定手机的手机机架，在结构上有半自动结构，既拉伸到一定距离后会定住，放入手机后，再合拢将手机夹持住，实现对手机的固定。由于这类手机支架都需要用手去掰开台座后使台座的宽度与手机宽度相同的前提下才可以将手机放入，这样不仅需要双手操作，还可能对行车造成影响。因此，应对现有手机支架进行改良，提高手机支架的自动化，以解决上述问题。
 技术问题
本发明要解决的技术问题是，针对上述现有技术中的不足，提供一种自动夹紧的手机支架，其能自动夹持手机，释放用户双手，方便用户使用。
 技术解决方案
为解决上述技术问题，本发明的技术方案是：一种自动夹紧的手机支架，包括基座、托板、两夹臂和驱动两夹臂夹紧手机或松开手机的驱动机构，两夹臂可旋转的设置于基座的左右两侧，所述托板可伸缩的设置于基座的下端，两夹臂、基座和托板之间围绕形成用于夹持手机的夹持空间，所述驱动组件设置于基座内，所述驱动组件包括驱动电机、齿轮、传动件和传动组件，所述驱动电机固定装设于基座内，所述驱动电机通过传动组件与齿轮传动连接，所述传动件包括第一主体部和自第一主体部的两侧分别向上向外倾斜延伸形成的支部，所述第一主体部沿轴向设置有第一导向槽，所述第一导向槽的侧壁上设置有第一齿条，所述齿轮与第一齿条相互啮合，所述支部设置有向下凸出的导向柱，所述夹臂上设有安装孔和倾斜设置的第二导向槽，所述导向柱装设于第二导向槽内，所述基座内设置有向上凸起的转轴，所述夹臂通过安装孔套于转轴外可旋转的安装于基座上。
作为一种优选方案，所述第二导向槽与轴线之间角度为15°～60°；所述第二导向槽32与轴线之间角度优选为25°～35°。
作为一种优选方案，所述基座包括底壳、设于底壳上的上壳以及设于底壳和上壳之间的中壳，所述传动组件包括蜗杆、第一传动齿轮、第二传动齿轮和第三传动齿轮，所述蜗杆与驱动电机的输出轴固定连接，所述第一传动齿轮和第二传动齿轮具有相同的结构，包括大齿轮部和与大齿轮一体连接的小齿轮部，所述第一传动齿轮的大齿轮部与蜗杆啮合，所述第一传动齿轮的小齿轮部与第二传动齿轮的大齿轮部啮合，所述第二传动齿轮的小齿轮部与第三传动齿轮啮合，所述齿轮包括第二主体部、设于第二主体部上方的齿条部和自第二主体部两侧向外延伸形成的限位部，所述第三传动齿轮的轴向设置有第二主体部适配的第一通槽，所述中壳设有与第一通槽适配的第二通槽，所述第三传动齿轮的背面设置有第一限位槽，所述限位部设于第一限位槽内，所述齿条部先后穿过第一通槽和第二通槽伸出于中壳的顶面与传动件的第一齿条啮合，所述转轴设置于底座上；所述第一限位槽的长度大于限位部的长度，所述第一限位槽的两端分别具有限位端面，所述第一限位槽与限位部相互滑动配合，在第三传动齿轮正向旋转或反向旋转时，第一限位槽跟着正向旋转或反向旋转，直到第一限位槽的限位端面抵顶到限位部时，推动第二主体部旋转，进而带动齿条部旋转。
作为一种优选方案，所述齿轮的限位部为扇环形滑块，所述第三传动齿轮的第一限位槽为扇环形滑槽，所述扇环形滑槽的圆心角减去扇环形滑块的圆心角差值为3度～20度。
作为一种优选方案，所述中壳设置有两个第一限位块，两第一限位块分设于第二通槽的左右两侧，所述传动件的第一主体部设置有与第一限位块适配的第二限位槽。
作为一种优选方案，所述自动夹紧的手机支架还包括伸缩组件，所述伸缩组件包括底板、伸缩件和弹簧，所述底板固定安装于底座上，所述底板设有第三通槽和与第三通槽连通的容置槽，所述伸缩件装设于容置槽中，所述伸缩件包括两滑条部以及连接两滑条部的连接部，所述滑条部的长度小于容置槽的长度，所述滑条部的顶面设置有第二齿条，所述第二齿条伸出于底板的顶面，所述第三通槽的下端设有第一安装柱，所述连接部设有第二安装柱，所述第一安装柱和第二安装柱相对设置，所述弹簧的上端套于第二安装柱上，所述弹簧的下端套于第一安装柱上，且所述弹簧的上端面与连接部的下端面相抵，所述弹簧的下端面与第三通槽的下端面相抵。
作为一种优选方案，所述托板的背面设置有第一卡块，所述第一卡块可卡于第二齿条中相邻两齿之间的间隙中，所述底板轴向设置有两滑槽，两滑槽分设于容置槽的两侧，所述托板的背面设有与滑槽适配的滑块，所述托板通过滑块滑设于滑槽内滑动安装于底板上，所述中壳盖于托板的上方，所述托板的两侧沿均设有第三齿条，所述中壳的两侧设有第四通槽，所述第四通槽的侧壁设有第二卡块，所述第二卡块可卡于第三齿条中相邻两齿之间的间隙中。
作为一种优选方案，所述自动夹紧的手机支架还包括电路板和电池，所述电路板和电池设于底壳上，所述电路板设于电池的上方，所述电路板与电池电连接，所述底板装于电路板的上方，所述电路板上设有拨动开关，所述伸缩件上设有用于拨动拨动开关的拨动部，所述拨动部与连接部围绕形成供拨动开关露出的开口，所述拨动部的上端设有用于方便拨动部拨动拨动开关以使其复位的弧形缺口。
作为一种优选方案，所述自动夹紧的手机支架还包括无线充电组件，所述无充电组件包括无线充电线圈、无线充电底板和无线充电电路板，所述无线充电电路板固定设置于传动件上方，所述无线充电底板固定设于无线充电电路板上方，所述无线充电线圈设于无线充电底板的上方，所述无线充电线圈与无线充电电路板电连接，所述无线充电电路板与电池电连接。作为一种优选方案，所述自动夹紧的手机支架还包括设于底壳和上壳左右两侧的侧壳，所述上壳通过螺接方式于底壳固定连接，所述侧壳设有径向向内凸起的第三卡块，所述底壳和上壳设有与第三卡块适配的卡槽。
 有益效果
本发明的有益效果是：通过驱动电机、传动件和传动组件的配合能驱使两夹臂向内旋转自动夹持手机，释放用户双手，方便用户使用；通过蜗杆式传动方式，能有效解决夹臂在来回运动中因摆动等原因导致夹臂卡死的问题，提高用户的使用体验感；通过伸缩组件、托板和拨动开关的配合使用户将手机放入手机支架的瞬间便能开启自动夹持功能，无需用户按键开启夹持功能，进一步方便用户使用。
 附图说明
图1为本发明之实施例的分解图。
图2为本发明之驱动电机、齿轮和传动组件的组装结构图。
图3为本发明之伸缩组件与拨动开关的组装结构图。
图4为本发明之传动件的结构图。
图5为本发明之夹臂的结构图。
图6为本发明之托板的结构图。
图7为本发明之实施例的另一分解图。
图8为齿轮与第三传动齿轮的背面结构图。
图中：1-驱动电机，2-蜗杆，3-夹臂，31-安装孔，32-第二导向槽，4-托板，41-第一卡块，42-滑块，43-第三齿条，5-齿轮，6-传动件，61-第一主体部，62-支部，63-第一导向槽，64-第一齿条，65-导向柱，66-第二限位槽，7-第一传动齿轮，8-第二传动齿轮，9-第三传动齿轮，10-底壳，101-转轴，11-中壳，111-第一限位块，112-第四通槽，113-第二卡块，12-上壳，13-侧壳，14-底板，141-第一安装柱，142-滑槽，15-伸缩件，151-滑条部，152-连接部，153-拨动部，154-弧形缺口，155-第二齿条，156-第二安装柱，16-弹簧，17-电路板，171-拨动开关，18-卡槽，19-无线充电线圈，20-无线充电底板，21-无线充电电路板。
 本发明的实施方式
下面结合附图对本发明的结构原理和工作原理作进一步详细说明。
如图1～图6所示，一种自动夹紧的手机支架，包括基座、托板4、两夹臂3和驱动两夹臂3夹紧手机或松开手机的驱动机构，两夹臂3可旋转的设置于基座的左右两侧，所述托板4可伸缩的设置于基座的下端，两夹臂3、基座和托板4之间围绕形成用于夹持手机的夹持空间，所述驱动组件设置于基座内，所述驱动组件包括驱动电机1、齿轮5、传动件6和传动组件，所述驱动电机1固定装设于基座内，所述驱动电机1通过传动组件与齿轮5传动连接，所述传动件6包括第一主体部61和自第一主体部61的两侧分别向上向外倾斜延伸形成的支部62，所述第一主体部61沿轴向设置有第一导向槽63，所述第一导向槽63的侧壁上设置有第一齿条64，所述齿轮5与第一齿条64相互啮合，所述支部62设置有向下凸出的导向柱65，所述夹臂3上设有安装孔31和倾斜设置的第二导向槽32，所述导向柱65装设于第二导向槽32内，所述基座内设置有向上凸起的转轴101，所述夹臂3通过安装孔31套于转轴101外可旋转的安装于基座上。
作为一种优选方案，所述第二导向槽32与轴线之间角度为15°～60°，所述第二导向槽32与轴线之间角度优选为25°～35°。
作为一种优选方案，所述基座包括底壳10、设于底壳10上的上壳12以及设于底壳10和上壳12之间的中壳11，所述传动组件包括蜗杆2、第一传动齿轮7、第二传动齿轮8和第三传动齿轮9，所述蜗杆2与驱动电机1的输出轴固定连接，所述第一传动齿轮7和第二传动齿轮8具有相同的结构，包括大齿轮部和与大齿轮部一体连接的小齿轮部，所述第一传动齿轮7的大齿轮部与蜗杆2啮合，所述第一传动齿轮7的小齿轮部与第二传动齿轮8的大齿轮部啮合，所述第二传动齿轮8的小齿轮部与第三传动齿轮9啮合，所述齿轮5包括第二主体部51、设于第二主体部51上方的齿条部52和自第二主体部51两侧向外延伸形成的限位部53，所述第三传动齿轮9的轴向设置有第二主体部51适配的第一通槽91，所述中壳11设有与第一通槽91适配的第二通槽114，所述第三传动齿轮9的背面设置有第一限位槽92，所述限位部53设于第一限位槽92内，所述齿条部52先后穿过第一通槽91和第二通槽92伸出于中壳11的顶面与传动件6的第一齿条64啮合，所述转轴101设置于底座上；所述第一限位槽92的长度大于限位部53的长度，所述第一限位槽92的两端分别具有限位端面，所述第一限位槽92与限位部53相互滑动配合，在第三传动齿轮9正向旋转或反向旋转时，第一限位槽92跟着正向旋转或反向旋转，直到第一限位槽92的限位端面抵顶到限位部53时，推动第二主体部51旋转，进而带动齿条部52旋转。在驱动电机启动时，第一限位槽92的限位端面触碰不到限位部53，使第三传动齿轮9不能带动齿轮5旋转，此时的齿轮5处于静止状态，不能驱动传动件6工作；而在驱动电机启动一定时间之后，第一限位槽92的限位端面触碰到限位部53，使第三传动齿轮9带动齿轮5旋转，驱动传动件6工作。由于驱动电机在启动一定时间之后，具有较大的旋转驱动力，因而即便出现夹臂卡紧或传动件卡紧的问题，驱动电机也能驱动夹臂或传动件克服卡紧阻力及时夹持或松开手机等移动设备，避免了手机支架在启动时出现卡紧而不能工作的问题。优选地，所述齿轮5的限位部53为扇环形滑块，所述第三传动齿轮9的第一限位槽92为扇环形滑槽，所述扇环形滑槽的圆心角减去扇环形滑块的圆心角差值为3度～20度。
作为一种优选方案，所述中壳11设置有两个第一限位块111，两第一限位块111分设于第二通槽92的左右两侧，所述传动件6的第一主体部61设置有与第一限位块111适配的第二限位槽66。
作为一种优选方案，所述自动夹紧的手机支架还包括伸缩组件，所述伸缩组件包括底板14、伸缩件15和弹簧16，所述底板14固定安装于底座上，所述底板14设有第三通槽和与第三通槽连通的容置槽，所述伸缩件15装设于容置槽中，所述伸缩件15包括两滑条部151以及连接两滑条部151的连接部152，所述滑条部151的长度小于容置槽的长度，所述滑条部151的顶面设置有第二齿条155，所述第二齿条155伸出于底板14的顶面，所述第三通槽的下端设有第一安装柱141，所述连接部152设有第二安装柱156，所述第一安装柱141和第二安装柱156相对设置，所述弹簧16的上端套于第二安装柱156上，所述弹簧16的下端套于第一安装柱141上，且所述弹簧16的上端面与连接部152的下端面相抵，所述弹簧16的下端面与第三通槽的下端面相抵。
作为一种优选方案，所述托板4的背面设置有第一卡块41，所述第一卡块41可卡于第二齿条155中相邻两齿之间的间隙中，所述底板14轴向设置有两滑槽142，两滑槽142分设于容置槽的两侧，所述托板4的背面设有与滑槽142适配的滑块42，所述托板4通过滑块42滑设于滑槽142内滑动安装于底板14上，所述中壳11盖于托板4的上方，所述托板4的两侧沿均设有第三齿条43，所述中壳11的两侧设有第四通槽112，所述第四通槽112的侧壁设有第二卡块113，所述第二卡块113可卡于第三齿条43中相邻两齿之间的间隙中。
作为一种优选方案，所述自动夹紧的手机支架还包括电路板17和电池，所述电路板17和电池设于底壳10上，所述电路板17设于电池的上方，所述电路板17与电池电连接，所述底板14装于电路板17的上方，所述电路板17上设有拨动开关171，所述伸缩件15上设有用于拨动拨动开关171的拨动部153，所述拨动部153与连接部152围绕形成供拨动开关171露出的开口，所述拨动部153的上端设有用于方便拨动部153拨动拨动开关171以使其复位的弧形缺口154。
作为一种优选方案，所述自动夹紧的手机支架还包括无线充电组件，所述无充电组件包括无线充电线圈19、无线充电底板20和无线充电电路板21，所述无线充电电路板21固定设置于传动件6上方，所述无线充电底板20固定设于无线充电电路板21上方，所述无线充电线圈19设于无线充电底板20的上方，所述无线充电线圈19与无线充电电路板21电连接，所述无线充电电路板21与电池电连接，如此便能实现为手机无线充电的功能，扩大手机支架的功能范围，提高了手机支架的实用性。
作为一种优选方案，所述自动夹紧的手机支架还包括设于底壳10和上壳12左右两侧的侧壳13，所述上壳12通过螺接方式于底壳10固定连接，所述侧壳13设有径向向内凸起的第三卡块131，所述底壳10和上壳12设有与第三卡块适配的卡槽18。
工作时，拉下托板4，拨动部153拨动拨动开关171，所述驱动电机1工作，驱使齿轮5转动，通过齿轮5和第一齿条64配合驱使传动件6向上移动，使两夹臂3向内旋转，夹紧手机。当手机拿出来的同时托板4在弹簧16的作用下向上复位，所述拨动部153上端的弧形缺口154经过拨动开关171将拨动开关171复位，驱动电机1工作，驱使齿轮5转动，通过齿轮5和第一齿条64配合驱使传动件6向下移动，使两夹臂3向外旋转，手机支架处于打开状态。
本发明的有益效果是：通过驱动电机1、传动件6和传动组件的配合能驱使两夹臂3向内旋转自动夹持手机，释放用户双手，方便用户使用；通过蜗杆式传动方式，能有效解决夹臂3在来回运动中因摆动等原因导致夹臂3卡死的问题，提高用户的使用体验感；通过伸缩组件、托板4和拨动开关171的配合使用户将手机放入手机支架的瞬间便能开启自动夹持功能，无需用户按键开启夹持功能，进一步方便用户使用。
以上所述，仅是本发明较佳实施方式，凡是依据本发明的技术方案对以上的实施方式所作的任何细微修改、等同变化与修饰，均属于本发明技术方案的范围内。
 工业实用性
本发明为一种自动夹紧的手机支架，通过驱动电机、传动件和传动组件的配合能驱使两夹臂向内旋转自动夹持手机，释放用户双手，方便用户使用；通过蜗杆式传动方式，能有效解决夹臂在来回运动中因摆动等原因导致夹臂卡死的问题，提高用户的使用体验感；通过伸缩组件、托板和拨动开关的配合使用户将手机放入手机支架的瞬间便能开启自动夹持功能，无需用户按键开启夹持功能，进一步方便用户使用。因此，本发明具有工业实用性。

Claims (10)

  1. 一种自动夹紧的手机支架，其特征在于：包括基座、托板、两夹臂和驱动两夹臂夹紧手机或松开手机的驱动机构，两夹臂可旋转的设置于基座的左右两侧，所述托板可伸缩的设置于基座的下端，两夹臂、基座和托板之间围绕形成用于夹持手机的夹持空间，所述驱动组件设置于基座内，所述驱动组件包括驱动电机、齿轮、传动件和传动组件，所述驱动电机固定装设于基座内，所述驱动电机通过传动组件与齿轮传动连接，所述传动件包括第一主体部和自第一主体部的两侧分别向上向外倾斜延伸形成的支部，所述第一主体部沿轴向设置有第一导向槽，所述第一导向槽的侧壁上设置有第一齿条，所述齿轮与第一齿条相互啮合，所述支部设置有向下凸出的导向柱，所述夹臂上设有安装孔和倾斜设置的第二导向槽，所述导向柱装设于第二导向槽内，所述基座内设置有向上凸起的转轴，所述夹臂通过安装孔套于转轴外可旋转的安装于基座上。
  2. 根据权利要求1所述的一种自动夹紧的手机支架，其特征在于：所述第二导向槽与轴线之间角度为15°～60°。
  3. 根据权利要求1所述的一种自动夹紧的手机支架，其特征在于：所述基座包括底壳、设于底壳上的上壳以及设于底壳和上壳之间的中壳，所述传动组件包括蜗杆、第一传动齿轮、第二传动齿轮和第三传动齿轮，所述蜗杆与驱动电机的输出轴固定连接，所述第一传动齿轮和第二传动齿轮具有相同的结构，包括大齿轮部和与大齿轮一体连接的小齿轮部，所述第一传动齿轮的大齿轮部与蜗杆啮合，所述第一传动齿轮的小齿轮部与第二传动齿轮的大齿轮部啮合，所述第二传动齿轮的小齿轮部与第三传动齿轮啮合，所述齿轮包括第二主体部、设于第二主体部上方的齿条部和自第二主体部两侧向外延伸形成的限位部，所述第三传动齿轮的轴向设置有第二主体部适配的第一通槽，所述中壳设有与第一通槽适配的第二通槽，所述第三传动齿轮的背面设置有第一限位槽，所述限位部设于第一限位槽内，所述齿条部先后穿过第一通槽和第二通槽伸出于中壳的顶面与传动件的第一齿条啮合，所述转轴设置于底座上；所述第一限位槽的长度大于限位部的长度，所述第一限位槽的两端分别具有限位端面，所述第一限位槽与限位部相互滑动配合，在第三传动齿轮正向旋转或反向旋转时，第一限位槽跟着正向旋转或反向旋转，直到第一限位槽的限位端面抵顶到限位部时，推动第二主体部旋转，进而带动齿条部旋转。
  4. 根据权利要求3所述的一种自动夹紧的手机支架，其特征在于：所述齿轮的限位部为扇环形滑块，所述第三传动齿轮的第一限位槽为扇环形滑槽，所述扇环形滑槽的圆心角减去扇环形滑块的圆心角差值为3度～20度。
  5. 根据权利要求3所述的一种自动夹紧的手机支架，其特征在于：所述中壳设置有两个第一限位块，两第一限位块分设于第二通槽的左右两侧，所述传动件的第一主体部设置有与第一限位块适配的第二限位槽。
  6. 根据权利要求5所述的一种自动夹紧的手机支架，其特征在于：还包括伸缩组件，所述伸缩组件包括底板、伸缩件和弹簧，所述底板固定安装于底座上，所述底板设有第三通槽和与第三通槽连通的容置槽，所述伸缩件装设于容置槽中，所述伸缩件包括两滑条部以及连接两滑条部的连接部，所述滑条部的长度小于容置槽的长度，所述滑条部的顶面设置有第二齿条，所述第二齿条伸出于底板的顶面，所述第三通槽的下端设有第一安装柱，所述连接部设有第二安装柱，所述第一安装柱和第二安装柱相对设置，所述弹簧的上端套于第二安装柱上，所述弹簧的下端套于第一安装柱上，且所述弹簧的上端面与连接部的下端面相抵，所述弹簧的下端面与第三通槽的下端面相抵。
  7. 根据权利要求6所述的一种自动夹紧的手机支架，其特征在于：所述托板的背面设置有第一卡块，所述第一卡块可卡于第二齿条中相邻两齿之间的间隙中，所述底板轴向设置有两滑槽，两滑槽分设于容置槽的两侧，所述托板的背面设有与滑槽适配的滑块，所述托板通过滑块滑设于滑槽内滑动安装于底板上，所述中壳盖于托板的上方，所述托板的两侧沿均设有第三齿条，所述中壳的两侧设有第四通槽，所述第四通槽的侧壁设有第二卡块，所述第二卡块可卡于第三齿条中相邻两齿之间的间隙中。
  8. 根据权利要求7所述的一种自动夹紧的手机支架，其特征在于：还包括电路板和电池，所述电路板和电池设于底壳上，所述电路板设于电池的上方，所述电路板与电池电连接，所述底板装于电路板的上方，所述电路板上设有拨动开关，所述伸缩件上设有用于拨动拨动开关的拨动部，所述拨动部与连接部围绕形成供拨动开关露出的开口，所述拨动部的上端设有用于方便拨动部拨动拨动开关以使其复位的弧形缺口。
  9. 根据权利要求8所述的一种自动夹紧的手机支架，其特征在于：还包括无线充电组件，所述无充电组件包括无线充电线圈、无线充电底板和无线充电电路板，所述无线充电电路板固定设置于传动件上方，所述无线充电底板固定设于无线充电电路板上方，所述无线充电线圈设于无线充电底板的上方，所述无线充电线圈与无线充电电路板电连接，所述无线充电电路板与电池电连接。
  10. 根据权利要求9所述的一种自动夹紧的手机支架，其特征在于：还包括设于底壳和上壳左右两侧的侧壳，所述上壳通过螺接方式于底壳固定连接，所述侧壳设有径向向内凸起的第三卡块，所述底壳和上壳设有与第三卡块适配的卡槽。
PCT/CN2019/087710 2019-03-26 2019-05-21 一种自动夹紧的手机支架 WO2020191908A1 (zh)

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