WO2018032533A1 - 一种磁吸式卷线模组 - Google Patents

一种磁吸式卷线模组 Download PDF

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Publication number
WO2018032533A1
WO2018032533A1 PCT/CN2016/097183 CN2016097183W WO2018032533A1 WO 2018032533 A1 WO2018032533 A1 WO 2018032533A1 CN 2016097183 W CN2016097183 W CN 2016097183W WO 2018032533 A1 WO2018032533 A1 WO 2018032533A1
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WO
WIPO (PCT)
Prior art keywords
magnet
rotating wheel
stop button
winding module
button
Prior art date
Application number
PCT/CN2016/097183
Other languages
English (en)
French (fr)
Inventor
唐明军
曹中利
Original Assignee
青岛歌尔声学科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛歌尔声学科技有限公司 filed Critical 青岛歌尔声学科技有限公司
Priority to KR1020167028160A priority Critical patent/KR101877157B1/ko
Priority to EP16913289.1A priority patent/EP3398893B1/en
Priority to US16/074,624 priority patent/US10556773B2/en
Publication of WO2018032533A1 publication Critical patent/WO2018032533A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44Constructional details
    • B65H75/48Automatic re-storing devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44Constructional details
    • B65H75/4418Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means
    • B65H75/4428Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means acting on the reel or on a reel blocking mechanism
    • B65H75/4431Manual stop or release button
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44Constructional details
    • B65H75/48Automatic re-storing devices
    • B65H75/486Arrangements or adaptations of the spring motor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00Freewheels or freewheel clutches
    • F16D41/12Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00Actuating means
    • B65H2555/10Actuating means linear
    • B65H2555/13Actuating means linear magnetic, e.g. induction motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/34Handled filamentary material electric cords or electric power cables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/39Other types of filamentary materials or special applications
    • B65H2701/3919USB, earphones, audio or video cables, e.g. for connecting small electronic devices such as MP3 players or mobile telephones

Definitions

  • the present invention relates to a magnetic winding module for housing a wire or signal line of an electronic device.
  • Auxiliary devices with wires such as headphones, mice, keyboards, etc.
  • the winding module is usually provided with a rotating wheel, a coil spring and a stopping structure.
  • the wire is wound around the rotating wheel, and the wire can be automatically retracted under the elastic restoring force of the coil spring.
  • the stopping structure can prevent the rotation.
  • the wheel rotates to prevent the retracting action of the wheel, so that the wire of the appropriate length can be reserved without retracting.
  • the stopping structure is provided with a stop button and an elastic supporting device.
  • the elastic supporting device can provide the elastic force by the button, and the stopping structure automatically brakes the rotating wheel under the action of the elastic force, and the pressing button can release the rotating wheel. Start the wire retraction action.
  • the winding module stop structure on the market is elastically supported by a compression spring or a torsion spring structure, and this structure takes up a large space, which limits the miniaturization of the product.
  • a winding wire module stopping structure is disclosed, and the spring 415 is an elastic supporting device of the locking device 400, from FIG. 4 and the drawing. It can be seen that the spring 415 is a compression spring and has a certain height. For this reason, the second chamber accommodating spring 415 is specifically disposed on the mounting portion 230, and the occupied space is large.
  • a winding module stop structure is disclosed, and the elastic member 420 is an elastic supporting device of the locking assembly 400, as can be seen from FIG. 4 and FIG.
  • the elastic member 420 is a compression spring having a certain height.
  • the fixing member 440 is specially provided with a fixing groove 444 for accommodating the elastic member 420, which occupies a large space.
  • a winding module stop structure is disclosed, and the hook spring 13 is a hook plate 12
  • the elastic supporting device as can be seen from FIG. 1, the hook spring 13 is a torsion spring having a certain height. For this reason, the fixing groove mounting hook spring 13 is specifically provided on one side of the base 8 and the occupied space is also large.
  • the present invention provides a magnetic reeling module, which can reduce the height of the stopping mechanism and occupy a small space by using a magnet block that is mutually attracted or mutually repelled and a locking mechanism of the detent button.
  • the size of the winding module is further reduced.
  • a magnetic reeling module is provided with a rotating wheel, and a wire is wound around the rotating wheel, and a locking button is arranged in cooperation with the rotating wheel, and the winding module is provided with at least one pair of magnet blocks.
  • the magnets I and the magnets II are respectively disposed on the stop button, and the magnets II are disposed on the rotating wheels, and the stop buttons are automatically turned on by the suction force or the repulsive force of the magnet blocks.
  • the wheel brakes to prevent the wheel from retracting the wire.
  • the stop button is further provided with a second pair of magnet blocks, respectively a magnet III and a magnet IV, the magnet III is disposed on the stop button, and the magnet IV is disposed on the wheel, the magnet III And the magnet IV generates a repulsive force or a suction force.
  • the opposite magnetic poles are opposite, and when the magnet block is repulsive, the isotropic magnetic poles are opposite, and the interaction surfaces of the magnet blocks are all flat.
  • magnet blocks are all rectangular blocks or cylinders.
  • the winding module is provided with a fixing cover
  • the rotating wheel is mounted under the fixing cover
  • the stopping button is mounted on one side of the fixing cover
  • one or two are provided on the cover of the fixing cover
  • the receiving slots are provided with corresponding magnet blocks, the mounting slots having a notch exposed at one end of the magnet block.
  • the stop button is a lever structure, the middle portion is provided with a mounting hole, the matching pin is mounted on one side of the fixed cover, the stop button is rotated around the pin, and the U-ring is installed at one end or both ends of the stop button Corresponding magnet block.
  • stop button is a metal lever, and the U-ring is integrally formed.
  • a ratchet is mounted on the upper end of the rotating wheel to cooperate with the stopping button; a shaft hole is disposed in a middle portion of the rotating wheel, and a rotating shaft is fixed on the fixed cover, and the rotating wheel rotates around the rotating shaft, and the rotating shaft The lower end is provided with a snap ring that limits the runner to the rotating shaft.
  • the stop button is engaged with the ratchet through the U-ring.
  • the winding module is provided with a pair of mutually repulsive magnet blocks, and the other end of the stopping button is provided with a pawl to cooperate with the ratchet.
  • a plastic sleeve is mounted on the pawl.
  • the upper end of the rotating wheel is provided with a mounting slot
  • the mounting slot is provided with a circuit connecting elastic piece
  • the lower end surface of the fixing cover is provided with an FPC connecting terminal
  • one end of the circuit connecting elastic piece is connected with the wire, and one end is connected with the FPC connecting terminal.
  • the circuit connecting elastic piece is driven by the rotating wheel to rotate relative to the FPC connecting terminal.
  • the FPC connection terminal is a circular ring, and is connected to an external flexible circuit board.
  • the circuit connection elastic piece is two pieces, and the symmetric arrangement is respectively in contact with the FPC connection terminal, and the rotation wheel connects the elastic piece to the FPC through the circuit.
  • the connection terminal forms a preload.
  • one end of the circuit connecting elastic piece and the FPC connecting terminal is a fork structure, and has a circular arc segment, and is in contact with the FPC connecting terminal through the circular arc segment.
  • a lower end of the rotating wheel is provided with an energy storage cavity, and a coil spring is mounted in the energy storage cavity, and one end of the coil spring is fixed to the rotating shaft, and one end is fixed to the side wall of the energy storage cavity, and the wire is pulled out.
  • the rotating wheel rotates and tightens the coil spring to store energy, and provides preparatory power for retracting the wire.
  • the energy storage chamber is mounted with a runner cover, a seal ring is disposed in the runner cover, and a seal ring is also disposed in the shaft hole, and a damping grease is disposed in the energy storage cavity, and the seal ring prevents damping Fat leaks.
  • a card hole is disposed on a sidewall of the wheel cover, and a side wall of the energy storage cavity is provided with a claw, and the energy storage cavity is coupled with the wheel cover; the side of the wheel cover A slit is provided on both sides of the hole in the wall to allow the side wall of the position to expand outwardly to deform and fit the claw.
  • the magnetic coil type module of the invention adopts a magnet block and a stop button structure, and the magnet block mounted on the stop button does not protrude from the upper surface of the stop button, and the magnet block mounted on the wheel is flattened. This design can effectively reduce the height of the stopping mechanism, occupying a small space, and making the winding module smaller in size. Chemical.
  • the magnetic energy storage cavity of the magnetic coil winding module of the invention is provided with damping grease, which can adjust the release speed of the coil spring, and the wire is slowly retracted to prevent damage to the wire.
  • connection between the wires and the external circuit is realized by the contact FPC connecting terminal and the circuit connecting elastic piece, and the elastic contact between the two is always unaffected by the rotation of the rotating wheel, and has no influence on the circuit signal.
  • Figure 1 is an exploded view of the present invention (each component is in a separated state);
  • Figure 2 is an exploded view of the present invention (the stop button, the pin, the magnet I and the magnet II are in a separated state);
  • Figure 3 is an assembled view of the present invention (including all components);
  • Figure 4 is an assembled view of the present invention (excluding the fixed cover);
  • Figure 5 is a cross-sectional view of the present invention.
  • Figure 6 is a perspective view of a runner used in the present invention.
  • Figure 7 is a perspective view of the circuit connecting elastic piece used in the present invention.
  • an embodiment of the present invention is a magnetic winding module provided with a runner 9 , and a wire 10 is wound around the runner 9 .
  • the rotation wheel 9 is provided with a stop button 4, and the winding module is provided with a pair of magnet blocks, respectively a magnet I and a magnet II, and the magnet I is arranged On the stop button 4, the magnet II is disposed on the reel 9, and the stop button 4 automatically brakes the reel 9 under the action of the suction force of the magnet block, preventing the reel 9 from retracting the wire 10.
  • the magnet block requires a strong magnet.
  • the magnet 1 needs to be mounted at one end of the pressing position of the stopper button 4, and accordingly the magnet II is also disposed close to the magnet 1.
  • the stop button 4 automatically prevents rotation of the wheel 9 and prevents rotation when the wire 10 is retracted.
  • the rotation of the release wire 10 cannot be prevented, which is a structural requirement for the engagement of the stop button 4 and the wheel 9.
  • the magnet blocks are all rectangular blocks.
  • the winding module is provided with a fixing cover 6, the rotating wheel 9 is mounted under the fixing cover 6, the stopping button 4 is mounted on the side of the fixing cover 6, and the cover of the fixing cover 6 is provided with one or two receiving slots.
  • the mounting groove has a notch exposed at one end of the magnet block. It can assist in setting the glue fixing magnet block.
  • the stop button 4 is a lever structure, and a mounting hole is arranged in the middle portion, the matching pin 2 is mounted on the side of the fixing cover 6, the stopping button 4 is rotated around the pin 2, and one end of the stopping button 4 is disposed.
  • the U-ring is fitted with the corresponding magnet block. It can assist in setting the glue fixing magnet block.
  • the stop button 4 can be a metal lever, and the U-ring is made in one piece. For example, one stamping is made.
  • the magnet I can be prevented from protruding from the upper surface of the stop button 4, and the magnet II can be flattened. This design can effectively reduce the height of the stopping mechanism and occupy a small space.
  • the upper end of the runner 9 is mounted with a ratchet 9-1 and a stop button 4; the middle of the runner 9 is provided with a shaft hole, and the fixed cover 6 is fixed with a rotating shaft 1 and a runner 9 Rotating around the rotating shaft 1, the lower end of the rotating shaft 1 is provided with a snap ring 12, and the snap ring 12 limits the rotating wheel to the rotating shaft 1.
  • the stop button 4 When the magnet block is sucked, the stop button 4 is engaged with the ratchet 9-1 through the U-ring. At this time, the U-shaped ring functions as a pawl.
  • a pawl is required to cooperate with the ratchet 9-1.
  • a plastic sleeve can be attached to the pawl. Release guide on runner 9 When the wire 10 is rotated, the plastic sleeve acts as a lubrication between the pawl and the runner 9.
  • the upper end of the runner 9 is provided with a mounting slot 9-2, and the mounting slot 9-2 is provided with a circuit connecting elastic piece 8.
  • the lower end surface of the fixing cover 6 is provided with an FPC connecting terminal 7, and the circuit is connected with the elastic piece.
  • One end of the 8 is connected to the wire 10, and one end is connected to the FPC connection terminal 7.
  • the circuit connection spring 8 is rotated by the wheel 9 to rotate relative to the FPC connection terminal 7.
  • the FPC connection terminal 7 is a circular ring, and is connected to an external flexible circuit board (ie, FPC).
  • the circuit connection elastic piece 8 is two pieces, and the symmetric arrangement is respectively in contact with the FPC connection terminal 7, and the rotation wheel 9 is connected to the FPC connection terminal 7 through the circuit connection elastic piece 8. The pre-compression is formed, so that the reliability of the circuit connection can be fully ensured.
  • Both the FPC connection terminal 7 and the circuit connection spring 8 are made of a material having good electrical conductivity, such as a copper alloy.
  • a wire connection is provided between the two circuit connection springs 8, and the wire is connected to the wire 10.
  • one end of the circuit connection elastic piece 8 in contact with the FPC connection terminal 7 is a fork structure (the upper connection terminal 8-1 in FIG. 7), and has a circular arc section, and is connected to the FPC through the arc segment. 7 contact, this can reduce the friction when sliding.
  • a fixing hole 8-3 is disposed in the middle of the circuit connecting elastic piece 8.
  • the mounting groove 9-2 is also provided with a pin to cooperate with it.
  • the lower end of the runner 9 is provided with an energy storage chamber 9-4, and a coil spring 11 is mounted in the energy storage chamber 9-4.
  • One end of the coil spring 11 is fixed to the rotating shaft 1, and one end is fixed to the side wall of the energy storage chamber, and the wire 10 is pulled.
  • the reel 9 rotates and tightens the coil spring 11 to store energy, and provides preparatory power for retracting the wire 10.
  • the energy storage chamber 9-4 is mounted with a runner cover 14.
  • the side wall of the runner cover 14 is provided with a card hole, and the side wall of the energy storage chamber 9-4 is provided with a claw 9-5, and the energy storage chamber 9-4 is coupled with the wheel cover 14; the wheel cover 14 A crack is provided on both sides of the card hole on the side wall, allowing the side wall of the position to expand outwardly to deform the adapting claw 9-5.
  • the stop button 4 is always subjected to the thrust in the opposite direction to the pressure F, so that the end of the stop button 4 is kept stuck in the ratchet 9- 1 trend in the ratchet.
  • the runner 9 In the natural state, the runner 9 can rotate clockwise in the B direction, and the runner 9 cannot rotate counterclockwise in the A direction due to the stop of the stop button 4.
  • the stop button is further provided with a second pair of magnet blocks (not shown), respectively a magnet III and a magnet IV, and a magnet III. Set on the stop button, the magnet IV is placed on the wheel, and the magnet III and the magnet IV generate a repulsive force or a suction force.
  • a magnet block corresponding to the U-ring mounting is disposed at both ends of the stop button.
  • the two pairs of magnet blocks can significantly increase the force of the stop button on the wheel, ensuring the reliability of the cooperation.
  • Embodiment 1 As a third embodiment of the present invention, a further improvement is made on the basis of Embodiment 1. As shown in FIG. 5 and FIG. 6, the energy storage chamber 9-4 is mounted with a wheel cover 14, which is disposed in the wheel cover 14. There is a sealing ring 13, a damping grease is arranged in the energy storage chamber 9-4, and the sealing 13 prevents the damping grease from leaking.
  • the damping grease can be adjusted to adjust the release speed of the coil spring 11, so that the wire 10 is slowly retracted to prevent damage to the wire 10.
  • the circuit connecting elastic piece is one piece (not shown), and actually the two circuit connecting elastic pieces 8 in the first embodiment are integrally formed, and other structures are as follows.
  • the fork structure is the same, but it is made by one-piece punching and is connected to the wire 10 in the middle. This design simplifies the assembly process of the circuit connection portion.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Electromagnets (AREA)
  • Toys (AREA)

Abstract

一种磁吸式卷线模组,其设置有转轮(9),导线(10)缠绕在该转轮(9)上,与转轮(9)配合设置有止动按键(4),该卷线模组设置有至少一对磁铁块,分别为磁铁Ⅰ(3)和磁铁Ⅱ(5),磁铁Ⅰ(3)设置在该止动按键(4)上,磁铁Ⅱ(5)设置在转轮(9)上,在磁铁块的吸合力或者排斥力作用下止动按键(4)自动对转轮(9)进行制动,阻止转轮(9)收回导线(10)。安装在止动按键(4)上的磁铁块不凸出止动按键(4)上表面,对安装在转轮(9)上的磁铁块扁平化处理,这样设计能够有效降低止动机构的高度,占用空间小,使卷线模组尺寸更加小型化。

Description

一种磁吸式卷线模组 技术领域
本发明涉及一种用于收纳电子设备的导线或信号线的磁吸式卷线模组。
发明背景
很多电子设备中都要用到设置有导线的辅助设备,例如耳机、鼠标、键盘等等。为了使用更加便捷,在这些辅助设备中越来越多地设计了卷线模组,用于收纳导线或信号线。卷线模组中通常设置有转轮、卷簧和止动结构,导线缠绕在转轮上,在卷簧的弹性恢复力作用下可以自动收回导线,在收回过程中,止动结构可以阻止转轮旋转,阻止转轮的收回动作,从而能够预留适当长度的导线不收回。
止动结构设置有止动按键和弹性支撑装置,弹性支撑装置能够为止动按键提供弹力,在弹力的作用下止动结构自动对转轮进行制动,按压止动按键则可以释放转轮,再次启动导线收回动作。
现在市面上的卷线模组止动结构是用压缩弹簧或扭转弹簧结构实现弹性支撑的,这种结构占用空间大,使产品小型化受到限制。
例如,在中国发明专利“容置装置”(申请号:201110267313.X)中公开了一种卷线模组止动结构,弹簧415是锁固件400的弹性支撑装置,从附图4和附图5可知,弹簧415是压缩弹簧,具有一定高度,为此,安装部230上专门设置了第二腔室容纳弹簧415,占用空间较大。
在中国发明专利“容置装置”(申请号:201110417406.6)中公开了一种卷线模组止动结构,弹性件420是锁固组件400的弹性支撑装置,从附图4和附图5可知,弹性件420是压缩弹簧,具有一定高度,为此,固定件440上专门设置了固定槽444容纳弹性件420,占用空间较大。
在中国实用新型专利“一种耳机线收线装置,耳机总成和移动终端”(申请号:200920108072.2)中公开了一种卷线模组止动结构,卡勾弹簧13是卡勾板12的弹性支撑装置,从附图1可知,卡勾弹簧13是扭转弹簧,具有一定高度, 为此,底座8一侧专门设置了固定槽安装卡勾弹簧13,占用空间也较大。
发明内容
鉴于上述问题,本发明提供了一种磁吸式卷线模组,使用相互吸合或相互排斥的磁铁块配合止动按键的止动机构,能够有效降低止动机构的高度,占用空间小,使卷线模组尺寸更加小型化。
本发明的技术方案是这样实现的:
一种磁吸式卷线模组,设置有转轮,导线缠绕在所述转轮上,与所述转轮配合设置有止动按键,所述卷线模组设置有至少一对磁铁块,分别为磁铁Ⅰ和磁铁Ⅱ,磁铁Ⅰ设置在所述止动按键上,磁铁Ⅱ设置在所述转轮上,在所述磁铁块的吸合力或者排斥力作用下止动按键自动对所述转轮进行制动,阻止转轮收回导线。
进一步,所述止动按键上还设置有第二对磁铁块,分别为磁铁Ⅲ和磁铁Ⅳ,磁铁Ⅲ设置在所述止动按键上,磁铁Ⅳ设置在所述转轮上,所述磁铁Ⅲ和磁铁Ⅳ产生排斥力或者吸合力。
进一步,所述磁铁块吸合作用时,异性磁极相对,所述磁铁块排斥作用时,同性磁极相对,所述磁铁块的相互作用面均为平面。
进一步,所述磁铁块均为矩形块或圆柱体。
进一步,所述卷线模组设置有固定盖,所述转轮安装在该固定盖下方,所述止动按键安装在该固定盖一侧,所述固定盖的盖体上设置有一个或两个容纳槽安装相对应的磁铁块,所述安装槽带有缺口露出安装在其中磁铁块的一端。
进一步,所述止动按键为杠杆结构,中部设置有安装孔,配合销钉安装在固定盖一侧,止动按键围绕所述销钉转动,所述止动按键一端或两端设置有U型环安装相对应的磁铁块。
进一步,所述止动按键为金属杠杆,所述U型环为一体制成。
进一步,所述转轮上端安装有棘轮与所述止动按键配合;所述转轮中部设置有轴孔,所述固定盖上固定有转轴,所述转轮围绕所述转轴旋转,所述转轴 下端设置有卡环,所述卡环将转轮限位在所述转轴上。
进一步,所述磁铁块吸合作用时,所述止动按键通过所述U型环与所述棘轮配合。
进一步,所述卷线模组设置有一对相互排斥作用的磁铁块,所述止动按键另一端设置有棘爪与所述棘轮配合。
进一步,棘爪上安装有塑胶套。
进一步,所述转轮上端设置有安装槽,安装槽中设置有电路连接弹片,所述固定盖下端面上设置有FPC连接端子,所述电路连接弹片一端与导线连接,一端与FPC连接端子连接,电路连接弹片被所述转轮带动相对FPC连接端子旋转。
进一步,所述FPC连接端子为圆环形,连接外部柔性电路板,所述电路连接弹片为两片,对称布置分别和FPC连接端子接触,所述转轮通过所述电路连接弹片对所述FPC连接端子形成预压。
进一步,所述电路连接弹片与FPC连接端子接触的一端为叉式结构,并带有圆弧段,通过圆弧段与FPC连接端子接触。
进一步,所述转轮下端设置有储能腔,储能腔中安装有卷簧,所述卷簧一端与所述转轴固定,一端与所述储能腔侧壁固定,随着导线的拉出,所述转轮旋转收紧所述卷簧进行蓄能,为收回导线提供预备动力。
进一步,所述储能腔安装有转轮盖,所述转轮盖中设置有密封圈,所述轴孔中也设置有密封圈,储能腔中设置有阻尼脂,所述密封圈防止阻尼脂泄露。
进一步,所述转轮盖的侧壁上设置有卡孔,所述储能腔的侧壁上设置有卡爪,所述储能腔与转轮盖卡接组合;所述转轮盖的侧壁上在所述卡孔两侧设置有裂缝,允许该位置侧壁向外扩张变形适配所述卡爪。
本发明的有益效果是:
本发明磁吸式卷线模组中采用磁铁块配合止动按键结构,安装在止动按键上的磁铁块不凸出止动按键上表面,对安装在转轮上的磁铁块扁平化处理,这样设计能够有效降低止动机构的高度,占用空间小,使卷线模组尺寸更加小型 化。
本发明磁吸式卷线模组中安装卷簧的储能腔中设置有阻尼脂,能够调节卷簧的释放速度,让导线缓慢收回,防止对导线造成损伤。
本发明磁吸式卷线模组中导线与外部的电路连接通过接触式FPC连接端子和电路连接弹片实现,二者始终弹性接触不受转轮旋转的影响,对电路信号也没有任何影响。
附图简要说明
图1为本发明的分解图(每一个部件均处于分离状态);
图2为本发明的分解图(止动按键、销钉、磁铁Ⅰ和磁铁Ⅱ处于分离状态);
图3为本发明的组装图(包括所有部件);
图4为本发明的组装图(不包括固定盖);
图5为本发明的剖视图;
图6为本发明所采用转轮的立体图;
图7为本发明所采用电路连接弹片的立体图。
图中:1.转轴;2.销钉;3.磁铁Ⅰ;4.止动按键;5.磁铁Ⅱ;6.固定盖;7.FPC连接端子;
8.电路连接弹片;8-1.上连接端子;8-2.下连接端子;8-3.固定孔;
9.转轮;9-1.棘轮;9-2.安装槽;9-3.线槽;9-4.储能腔;9-5.卡爪;
10.导线;11.卷簧;12.卡环;13.密封圈;14.转轮盖。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明实施方式作进一步地详细描述。
实施例1
如图1、图2、图3、图4所示为本发明的一个实施例,该实施例中一种磁吸式卷线模组设置有转轮9,导线10缠绕在转轮9上,与转轮9配合设置有止动按键4,该卷线模组设置有一对磁铁块,分别为磁铁Ⅰ和磁铁Ⅱ,磁铁Ⅰ设置 在止动按键4上,磁铁Ⅱ设置在转轮9上,在磁铁块的吸合力作用下止动按键4自动对转轮9进行制动,阻止转轮9收回导线10。
磁铁块需要采用强力磁铁。
也可以通过磁铁块之间的排斥力起作用,此时,磁铁Ⅰ需要安装在止动按键4按压位置的一端,相应地磁铁Ⅱ也要靠近磁铁Ⅰ设置。
止动按键4自动对转轮9进行阻止旋转,是阻止收回导线10时的旋转,对于释放导线10的旋转不能阻止,这是止动按键4和转轮9配合的结构要求。
磁铁块吸合作用时,异性磁极相对,磁铁块排斥作用时,同性磁极相对,磁铁块的相互作用面均为平面。
如图2、图3所示,磁铁块均为矩形块。
卷线模组设置有固定盖6,转轮9安装在该固定盖6下方,止动按键4安装在该固定盖6一侧,固定盖6的盖体上设置有一个或两个容纳槽安装相对应的磁铁块,该安装槽带有缺口露出安装在其中磁铁块的一端。可以辅助设置粘胶固定磁铁块。
如图2、图3所示,止动按键4为杠杆结构,中部设置有安装孔,配合销钉2安装在固定盖6一侧,止动按键4围绕销钉2转动,止动按键4一端设置有U型环安装相对应的磁铁块。可以辅助设置粘胶固定磁铁块。
止动按键4可以为金属杠杆,U型环为一体制成。例如一体冲压制成。
通过设置U型环,能够让磁铁Ⅰ不凸出止动按键4上表面,对磁铁Ⅱ扁平化处理,这样设计能够有效降低止动机构的高度,占用空间较小。
如图4、图5、图6所示,转轮9上端安装有棘轮9-1与止动按键4配合;转轮9中部设置有轴孔,固定盖6上固定有转轴1,转轮9围绕转轴1旋转,转轴1下端设置有卡环12,卡环12将转轮限位在转轴1上。
当磁铁块吸合作用时,止动按键4通过U型环与棘轮9-1配合。此时U型环起到棘爪的作用。
如果该卷线模组设置有一对相互排斥作用的磁铁块,那么在止动按键4另一端需要设置棘爪与棘轮9-1配合。该棘爪上可以安装塑胶套。在转轮9释放导 线10旋转时,塑胶套起到棘爪和转轮9之间的润滑作用。
该卷线模组进一步详细的结构设计如下:
如图1、图6所示,转轮9上端设置有安装槽9-2,安装槽9-2中设置有电路连接弹片8,固定盖6下端面上设置有FPC连接端子7,电路连接弹片8一端与导线10连接,一端与FPC连接端子7连接,电路连接弹片8被转轮9带动相对FPC连接端子7旋转。
FPC连接端子7为圆环形,连接外部柔性电路板(即FPC),电路连接弹片8为两片,对称布置分别和FPC连接端子7接触,转轮9通过电路连接弹片8对FPC连接端子7形成预压,这样就能充分保证电路连接的可靠性。FPC连接端子7和电路连接弹片8均要采用导电性能良好的材料制成,例如铜合金。
两片电路连接弹片8之间设置有导线连接,该导线会和导线10连接。
如图7所示,电路连接弹片8与FPC连接端子7接触的一端为叉式结构(图7中的上连接端子8-1),并带有圆弧段,通过圆弧段与FPC连接端子7接触,这样能降低滑动时的摩擦力。
电路连接弹片8中部设置有固定孔8-3,相应地安装槽9-2中也设置有销柱与其配合,采用该设计,在电路连接弹片8相对FPC连接端子7旋转时可以更稳定。
转轮9下端设置有储能腔9-4,储能腔9-4中安装有卷簧11,卷簧11一端与转轴1固定,一端与储能腔侧壁固定,随着导线10的拉出,转轮9旋转收紧卷簧11进行蓄能,为收回导线10提供预备动力。
储能腔9-4安装有转轮盖14。
转轮盖14的侧壁上设置有卡孔,储能腔9-4的侧壁上设置有卡爪9-5,储能腔9-4与转轮盖14卡接组合;转轮盖14的侧壁上在卡孔两侧设置有裂缝,允许该位置侧壁向外扩张变形适配卡爪9-5。
在卷线模组使用过程中,由于磁铁块之间的吸合力或排斥力作用,使止动按键4始终受到与压力F相反方向的推力,从而使止动按键4一端保持卡入棘轮9-1棘齿中的趋势。
自然状态下,转轮9可沿B向顺时针转动,因止动按键4的阻止,转轮9不能沿A向逆时针转动。
沿图4中C向拉动导线10,转轮9沿B向顺时针转动,卷簧11被反方向缠绕使转轮9产生沿A向逆时针转动的趋势,停止拉动导线10,在止动机构作用下,止动按键4一端卡住棘轮9-1的棘齿中从而阻止转轮9沿A向逆时针转动;在止动按键4端部施加力F,止动按键4一端向外运动脱离棘轮9-1的棘齿,转轮9在卷簧11作用下沿A向逆时针转动,导线10被收回到转轮线槽9-3里。
实施例2
作为本发明的第二个实施例,在实施例1的基础上做出进一步改进,止动按键上还设置有第二对磁铁块(未图示),分别为磁铁Ⅲ和磁铁Ⅳ,磁铁Ⅲ设置在止动按键上,磁铁Ⅳ设置在转轮上,磁铁Ⅲ和磁铁Ⅳ产生排斥力或者吸合力。
相应地,止动按键两端设置有U型环安装相对应的磁铁块。
设置两对磁铁块能够明显提升止动按键对转轮的作用力,保证了二者配合的可靠性。
实施例3
作为本发明的第三个实施例,在实施例1的基础上做出进一步改进,如图5、图6所示,储能腔9-4安装有转轮盖14,转轮盖14中设置有密封圈13,储能腔9-4中设置有阻尼脂,密封13防止阻尼脂泄露。
设置阻尼脂能够调节卷簧11的释放速度,让导线10缓慢收回,防止对导线10造成损伤。
实施例4
作为本发明的第四个实施例,在该实施例中,电路连接弹片为1片(未图示),实际上是将实施例1中的两片电路连接弹片8一体制成,其他结构如叉式结构相同,只不过是一体冲切制成,在中部和导线10连接。这样设计可以简化电路连接部分的组装工序。
以上所述,仅为本发明的具体实施方式,在本发明的上述教导下,本领域技术人员可以在上述实施例的基础上进行其他的改进或变形。本领域技术人员 应该明白,上述的具体描述只是更好的解释本发明的目的,本发明的保护范围应以权利要求的保护范围为准。

Claims (10)

  1. 一种磁吸式卷线模组,设置有转轮,导线缠绕在所述转轮上,与所述转轮配合设置有止动按键,其特征在于,所述卷线模组设置有至少一对磁铁块,分别为磁铁Ⅰ和磁铁Ⅱ,磁铁Ⅰ设置在所述止动按键上,磁铁Ⅱ设置在所述转轮上,在所述磁铁块的吸合力或者排斥力作用下止动按键自动对所述转轮进行制动,阻止转轮收回导线。
  2. 根据权利要求1所述的卷线模组,其特征在于,所述止动按键上还设置有第二对磁铁块,分别为磁铁Ⅲ和磁铁Ⅳ,磁铁Ⅲ设置在所述止动按键上,磁铁Ⅳ设置在所述转轮上,所述磁铁Ⅲ和磁铁Ⅳ产生排斥力或者吸合力。
  3. 根据权利要求1所述的卷线模组,其特征在于,所述磁铁块吸合作用时,异性磁极相对,所述磁铁块排斥作用时,同性磁极相对,所述磁铁块的相互作用面均为平面。
  4. 根据权利要求1所述的卷线模组,其特征在于,所述磁铁块均为矩形块或圆柱体。
  5. 根据权利要求1所述的卷线模组,其特征在于,所述卷线模组设置有固定盖,所述转轮安装在该固定盖下方,所述止动按键安装在该固定盖一侧,所述固定盖的盖体上设置有一个或两个容纳槽安装相对应的磁铁块,所述安装槽带有缺口露出安装在其中磁铁块的一端。
  6. 根据权利要求5所述的卷线模组,其特征在于,所述止动按键为杠杆结构,中部设置有安装孔,配合销钉安装在固定盖一侧,止动按键围绕所述销钉转动,所述止动按键一端或两端设置有U型环安装相对应的磁铁块。
  7. 根据权利要求6所述的卷线模组,其特征在于,所述止动按键为金属杠杆,所述U型环为一体制成。
  8. 根据权利要求1所述的卷线模组,其特征在于,所述转轮上端安装有棘轮与所述止动按键配合;所述转轮中部设置有轴孔,所述固定盖上固定有转轴,所述转轮围绕所述转轴旋转,所述转轴下端设置有卡环,所述卡环将转轮限位 在所述转轴上。
  9. 根据权利要求8所述的卷线模组,其特征在于,所述磁铁块吸合作用时,所述止动按键通过所述U型环与所述棘轮配合。
  10. 根据权利要求8所述的卷线模组,其特征在于,所述卷线模组设置有一对相互排斥作用的磁铁块,所述止动按键另一端设置有棘爪与所述棘轮配合。
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