CN110712499A - Magnetic speed reduction structure and sunshade curtain - Google Patents
Magnetic speed reduction structure and sunshade curtain Download PDFInfo
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- CN110712499A CN110712499A CN201910908211.8A CN201910908211A CN110712499A CN 110712499 A CN110712499 A CN 110712499A CN 201910908211 A CN201910908211 A CN 201910908211A CN 110712499 A CN110712499 A CN 110712499A
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- deceleration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/20—Accessories, e.g. wind deflectors, blinds
- B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
- B60J1/2013—Roller blinds
- B60J1/2036—Roller blinds characterised by structural elements
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
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- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
本发明公开了涉及车用遮阳帘技术领域的一种磁性减速结构,解决了遮阳帘的转轴转速难以控制的问题。其技术要点是:包括固定壳体、转轴连接件、磁性件和减速套,磁性件与固定壳体沿转轴连接件旋转的周向卡接,减速套外表面整体呈以转轴连接件的转动中心为轴心的圆柱形,减速套与转轴连接件周向卡接,减速套内设有容纳腔,容纳腔内设有导磁件,容纳腔沿转轴连接件转动轴心方向的任意一处横截面均呈以减速套轴心为中心的圆形,磁性件位于减速套径向上的一侧。还公开了一种遮阳帘,包括遮阳帘主体和上述中的磁性减速结构。结构简单,稳定可靠,能够保持给转轴的转动提供阻力的同时,还能降低减速套的磨损对减速效果的影响。
The invention discloses a magnetic deceleration structure relating to the technical field of sunshade curtains for vehicles, which solves the problem that the rotational speed of the rotating shaft of the sunshade curtain is difficult to control. Its technical points are: including a fixed casing, a rotating shaft connecting piece, a magnetic piece and a reduction sleeve, the magnetic piece and the fixed casing are clamped in the circumferential direction of the rotating shaft connecting piece, and the outer surface of the reducing sleeve is as a whole with the rotation center of the rotating shaft connecting piece. It is cylindrical with the shaft center, the reduction sleeve is circumferentially clamped with the connecting piece of the rotating shaft, the reducing sleeve is provided with a accommodating cavity, and the accommodating cavity is provided with a magnetic conducting member, and the accommodating cavity is arranged horizontally along the direction of the rotating shaft center of the rotating shaft connecting piece. The cross-sections are all circular with the axis of the reduction sleeve as the center, and the magnetic parts are located on one side of the reduction sleeve in the radial direction. Also disclosed is a sunshade, comprising a sunshade body and the above-mentioned magnetic deceleration structure. The structure is simple, stable and reliable, and while maintaining resistance to the rotation of the rotating shaft, it can also reduce the influence of the wear of the deceleration sleeve on the deceleration effect.
Description
技术领域technical field
本发明涉及车用遮阳帘技术领域,特别是一种磁性减速结构及遮阳帘。The invention relates to the technical field of vehicle sunshades, in particular to a magnetic deceleration structure and a sunshade.
背景技术Background technique
汽车是人们出行的重要交通工具,为人们的出行提供了便利。由于汽车很多时候处于户外,当太阳通过车窗照射到车舱内时,会使汽车内部变得炎热,强烈的光线也会对驾驶员的驾驶造成不便。Cars are an important means of transportation for people to travel and provide convenience for people's travel. Since the car is often outdoors, when the sun shines into the cabin through the window, the interior of the car will become hot, and the strong light will also cause inconvenience to the driver.
为了遮挡通过车窗照射到车舱内的阳光,人们制作了汽车遮阳卷帘,在不使用遮阳卷帘时,通过转轴转动并收卷窗帘。当需要遮挡阳光时,拉动窗帘,窗帘带动转轴转动,并使窗帘从卷轴上展开;当不需要遮挡阳光时,通过驱动转轴转动,转轴收卷窗帘,从而使得窗帘不能挡住车窗,方便人们驾驶车辆。In order to block the sunlight shining into the car cabin through the car window, people make car sunshade roller blinds. When the sunshade roller blinds are not in use, the blinds are rotated and rolled up by the rotating shaft. When it is necessary to block the sunlight, the curtain is pulled, and the curtain drives the rotating shaft to rotate, and the curtain is unfolded from the reel; when it is not necessary to block the sunlight, the rotating shaft is driven to rewind the curtain, so that the curtain cannot block the car window, which is convenient for people to drive. vehicle.
由于车内空间有限,过度展开窗帘会使窗帘占用过多的空间,造成使用上的不便,而转轴的转动速度过快时,窗帘的收卷和展开的速度也会过快,会造成控制上的不便,并且,停止驱动转轴转动时,转轴在惯性的作用下也容易保持转动的状态继续转动较大的角度,使窗帘过度收卷和展开。在转轴收卷窗帘的过程中,若转轴转动速度过快,也会使窗帘产生大幅度的晃动,容易使窗帘与其他物体发生磕碰,并且会影响使用寿命。故现有技术中存在遮阳帘的转轴转动速度难以控制的问题。Due to the limited space in the car, excessively unfolding the curtains will occupy too much space, causing inconvenience in use. When the rotation speed of the shaft is too fast, the speed of rolling and unfolding of the curtains will also be too fast, which will cause problems in control. In addition, when the rotation of the driving shaft is stopped, the shaft is easy to maintain the rotating state under the action of inertia and continue to rotate by a large angle, so that the curtain is excessively rolled and unfolded. In the process of winding the curtain with the rotating shaft, if the rotating speed of the rotating shaft is too fast, the curtain will shake greatly, which will easily cause the curtain to collide with other objects, and will affect the service life. Therefore, there is a problem in the prior art that the rotational speed of the rotating shaft of the sunshade is difficult to control.
发明内容SUMMARY OF THE INVENTION
为了克服现有技术的上述缺点,本发明的目的是提供一种磁性减速结构及遮阳帘,具有能够降低转轴转速方便控制的优点。In order to overcome the above shortcomings of the prior art, the purpose of the present invention is to provide a magnetic deceleration structure and a sunshade, which have the advantage of being able to reduce the rotational speed of the rotating shaft and facilitate control.
本发明解决其技术问题所采用的技术方案是:The technical scheme adopted by the present invention to solve its technical problems is:
一种磁性减速结构,包括固定壳体、转轴连接件、磁性件和减速套,所述磁性件与固定壳体沿转轴连接件旋转的周向卡接,所述减速套外表面整体呈以转轴连接件的转动中心为轴心的圆柱形,所述减速套与转轴连接件周向卡接,所述减速套内设有容纳腔,所述容纳腔内设有导磁件,所述容纳腔沿转轴连接件转动轴心方向的任意一处横截面均呈以减速套轴心为中心的圆形,所述磁性件位于减速套径向上的一侧。A magnetic deceleration structure includes a fixed casing, a rotating shaft connecting piece, a magnetic piece and a reduction sleeve, the magnetic piece and the fixed casing are clamped in the circumferential direction of the rotating shaft connecting piece, and the outer surface of the reducing sleeve is in the shape of a rotating shaft as a whole. The rotation center of the connecting piece is the cylindrical shape of the shaft center, the speed reduction sleeve is circumferentially clamped with the rotating shaft connecting piece, the speed reduction sleeve is provided with an accommodating cavity, the accommodating cavity is provided with a magnetic conducting member, and the accommodating cavity Any cross-section along the rotational axis direction of the rotating shaft connector is in the form of a circle with the axis of the reduction sleeve as the center, and the magnetic member is located on one side of the reduction sleeve in the radial direction.
作为本发明的进一步改进:所述磁性件位于减速套的下方。As a further improvement of the present invention: the magnetic member is located below the speed reduction sleeve.
作为本发明的进一步改进:所述导磁件为铁砂或铁珠。As a further improvement of the present invention: the magnetic conductive member is iron sand or iron beads.
作为本发明的进一步改进:所述导磁件外表面设有塑胶层。As a further improvement of the present invention, the outer surface of the magnetic conductive member is provided with a plastic layer.
作为本发明的进一步改进:所述减速套固定连接有支撑套,所述减速套与支撑套同轴,所述导磁件的总体积不超过容纳腔容积的一半。As a further improvement of the present invention, the deceleration sleeve is fixedly connected with a support sleeve, the deceleration sleeve is coaxial with the support sleeve, and the total volume of the magnetic conducting member does not exceed half of the volume of the accommodating cavity.
作为本发明的进一步改进:所述导磁件为铁饼,所述铁饼设有与减速套内壁贴合的弧形面。As a further improvement of the present invention, the magnetic conductive member is a discus, and the discus is provided with an arc-shaped surface that fits with the inner wall of the deceleration sleeve.
作为本发明的进一步改进:所述减速套设有与容纳腔连通的通孔,所述通孔的宽度大于导磁件的宽度,所述减速套设有挡住通孔的密封件。As a further improvement of the present invention, the deceleration sleeve is provided with a through hole communicating with the accommodating cavity, the width of the through hole is larger than the width of the magnetic conductive member, and the deceleration sleeve is provided with a sealing member to block the through hole.
作为本发明的进一步改进:所述密封件为与减速套螺纹连接的螺塞。As a further improvement of the present invention: the sealing member is a screw plug threadedly connected with the reduction sleeve.
作为本发明的进一步改进:所述固定壳体设有与磁性件配合的卡槽,所述卡槽的延伸方向与减速套的转动轴心平行。As a further improvement of the present invention, the fixed housing is provided with a clamping slot matched with the magnetic piece, and the extension direction of the clamping slot is parallel to the rotation axis of the reduction sleeve.
一种遮阳帘,包括遮阳帘主体和上述中的磁性减速结构,所述磁性减速结构安装于遮阳帘主体。A sunshade includes a sunshade main body and the above-mentioned magnetic deceleration structure, wherein the magnetic deceleration structure is installed on the sunshade main body.
与现有技术相比,本发明的有益效果是:Compared with the prior art, the beneficial effects of the present invention are:
磁性件通过磁力作用使导磁件具有向靠近磁性件的方向移动的趋势。当减速套转动时,导磁件在磁性件的作用下保持处在靠近磁性件的位置,从而使导磁件与减速套内壁产生摩擦力。通过摩擦力给减速套的转动提供阻力,进而达到降低转轴转动速度的作用,达到方便控制转轴转动速度的优点,能起到防止窗帘过度展开和收卷的效果,方便遮阳帘的使用。The magnetic member has a tendency to move toward the direction close to the magnetic member through the action of the magnetic force. When the deceleration sleeve rotates, the magnetic conductive element is kept at a position close to the magnetic element under the action of the magnetic element, so that the magnetic conductive element and the inner wall of the deceleration sleeve generate frictional force. The frictional force provides resistance to the rotation of the deceleration sleeve, thereby reducing the rotation speed of the rotating shaft, achieving the advantage of convenient control of the rotating speed of the rotating shaft, preventing the excessive unfolding and rolling of the curtain, and facilitating the use of the sunshade.
在使用一段时间过后,即使减速套内壁产生了一定的磨损,磁性件仍然能够使导磁件与减速套内壁抵接并产生摩擦力,使该减速结构能继续提供降低转轴转速的功能,方便控制转轴转速,并具有较高的可靠性。After a period of use, even if the inner wall of the deceleration sleeve is worn to a certain extent, the magnetic part can still make the magnetic conductive part abut against the inner wall of the deceleration sleeve and generate frictional force, so that the deceleration structure can continue to provide the function of reducing the speed of the rotating shaft, which is convenient for control. shaft speed, and has high reliability.
由于转轴表面的最大静摩擦力大于滑动摩擦力,使得驱动转轴从静止到转动的过程中需要克服较大的最大静摩擦力,并且由于转轴的惯性作用,使得在驱动转轴从静止到转动时需要更大的驱动力。该减速结构在转轴和减速套静止时,导磁件不阻碍减速套转动,因此能减小驱动转轴转动从静止到转动的过程中需要的驱动力,起到省力的效果。Since the maximum static friction force on the surface of the rotating shaft is greater than the sliding friction force, the driving shaft needs to overcome a larger maximum static friction force during the process from stationary to rotating, and due to the inertia of the rotating shaft, it needs to be larger when the driving shaft changes from stationary to rotating. driving force. In the deceleration structure, when the rotating shaft and the deceleration sleeve are stationary, the magnetic conductive member does not hinder the rotation of the deceleration sleeve, so the driving force required for driving the rotating shaft to rotate from stationary to rotating can be reduced, and the effect of labor saving is achieved.
该减速结构结构简单,稳定可靠,能够保持给转轴的转动提供阻力的同时,还能降低减速套的磨损对减速效果的影响。The deceleration structure has a simple structure, is stable and reliable, can maintain resistance to the rotation of the rotating shaft, and can reduce the influence of the wear of the deceleration sleeve on the deceleration effect.
附图说明Description of drawings
图1为实施例1的结构示意图;Fig. 1 is the structural representation of embodiment 1;
图2为图1中A-A处的结构示意图;Fig. 2 is the structural representation at A-A place in Fig. 1;
图3为实施例2的结构示意图;Fig. 3 is the structural representation of embodiment 2;
图4为实施例3的结构示意图;Fig. 4 is the structural representation of embodiment 3;
图5为实施例4的结构示意图。FIG. 5 is a schematic structural diagram of Embodiment 4. FIG.
附图标记:11、固定壳体;12、转轴连接件;13、磁性件;14、卡槽;21、减速套;22、容纳腔;23、导磁件;24、弧形面;25、塑胶层;26、支撑套;27、通孔;28、密封件;31、遮阳帘主体。Reference numerals: 11, fixed housing; 12, shaft connecting piece; 13, magnetic piece; 14, card slot; 21, speed reduction sleeve; 22, accommodating cavity; 23, magnetic conductive piece; 24, arc surface; 25, Plastic layer; 26, support sleeve; 27, through hole; 28, seal; 31, sunshade main body.
具体实施方式Detailed ways
现结合附图说明与实施例对本发明进一步说明:The present invention will now be further described in conjunction with the accompanying drawings and examples:
实施例1:Example 1:
一种磁性减速结构,如图1和图2所示,包括固定壳体11、转轴连接件12、磁性件13和减速套21,磁性件13为磁铁,磁性件13与固定壳体11沿转轴连接件12旋转的周向卡接,转轴连接件12连接于遮阳帘的转轴,减速套21安装于转轴连接件12,减速套21外表面整体呈以转轴连接件12的转动中心为轴心的圆柱形,减速套21与转轴连接件12周向卡接,减速套21内设有容纳腔22,容纳腔22内设有导磁件23,容纳腔22沿转轴连接件12转动轴心方向的任意一处横截面均呈以减速套21轴心为中心的圆形,磁性件13位于减速套21径向上的一侧。A magnetic deceleration structure, as shown in Figures 1 and 2, includes a
磁性件13位于减速套21的下方。The
减速套21固定连接有支撑套26,减速套21与支撑套26同轴,导磁件23的总体积为容纳腔22容积的一半。The
导磁件23为铁砂。The magnetic
减速套21设有与容纳腔22连通的通孔27,通孔27的宽度大于导磁件23的宽度,减速套21设有挡住通孔27的密封件28。The
密封件28为与减速套21螺纹连接的螺塞。The sealing
固定壳体11设有与磁性件13配合的卡槽14,卡槽14的延伸方向与减速套21的转动轴心平行。The
与现有技术相比,本发明的有益效果是:Compared with the prior art, the beneficial effects of the present invention are:
转轴连接件12用于连接遮阳帘上的转轴,当转轴转动时,转轴连接件12带动减速套21转动,当减速套21受到阻力时,减速套21通过转轴连接件12给转轴的转动提供阻力并降低转轴的转动速度。The
磁性件13通过磁力使导磁件23具有向靠近磁性件13的方向移动的趋势。当减速套21转动时,导磁件23在磁性件13的作用下保持处在靠近磁性件13的位置,从而使导磁件23与减速套21内壁产生摩擦力。通过摩擦力给减速套21的转动提供阻力,进而达到降低转轴转动速度的作用,达到方便控制转轴转速的优点,能起到防止窗帘过度展开和收卷的效果,方便遮阳帘的使用。The
在使用一段时间过后,即使减速套21内壁产生了一定的磨损,磁性件13仍然能够使导磁件23与减速套21内壁抵接并产生摩擦力,使该减速结构能继续提供降低转轴转速的功能,具有较高的可靠性。After a period of use, even if the inner wall of the
由于转轴表面的最大静摩擦力大于滑动摩擦力,使得驱动转轴从静止到转动的过程中需要克服较大的最大静摩擦力,并且由于转轴在静止时具有保持静止状态的惯性,使得在驱动转轴从静止到转动时需要更大的驱动力以克服惯性作用。该减速结构在转轴和减速套21静止时,导磁件23与减速套之间不产生相对移动的趋势,使得此时的导磁件23不阻碍减速套21转动,因此能减小驱动转轴转动从静止到转动的过程中需要的驱动力,起到省力的效果,方便遮阳帘的使用。Since the maximum static friction force on the surface of the rotating shaft is greater than the sliding friction force, the driving rotating shaft needs to overcome the larger maximum static friction force during the process from rest to rotating. When turning, a larger driving force is required to overcome the inertial effect. In this deceleration structure, when the rotating shaft and the
该减速结构结构简单,稳定可靠,能够保持给转轴的转动提供阻力的同时,还能降低减速套21的磨损对减速效果的影响。The deceleration structure has a simple structure, is stable and reliable, can maintain resistance to the rotation of the rotating shaft, and can reduce the influence of the wear of the
导磁件23在重力作用下具有向下移动的趋势,磁性件13位于减速套21下方,能通过重力作用和磁力作用的叠加,驱使导磁件23向靠近磁性件13的方向移动,能进一步提高磁性件13与减速套21之间的摩擦力,从而提高阻碍转轴转动的效果,方便控制转轴的转动速度。The magnetic
支撑套26能给减速套21提供支撑力,提高减速套21的结构稳定性。减速套21与支撑套26同轴,使减速套21带动支撑套26转动时支撑套26的位置不变,防止导磁件23对支撑套26的转动造成阻碍。导磁件23的总体积为容纳腔22容积的一半,使导磁件23在静置时高度不超过减速套21的中心高度,防止支撑套26给导磁件23提供向上的支撑力,保证导磁件23能给减速套21提供足够大的阻力。The
通过通孔27将导磁件23放入减速套21内,从而起到方便向容纳腔22内放置导磁件23的效果。通过密封件28挡住通孔27,能防止导磁件23通过通孔27意外滑出容纳腔22外部。The magnetic
扭紧螺塞,通过螺塞的自锁使螺塞固定在减速套21上。通过螺塞挡住通孔27,能防止导磁件23滑出容纳腔22外部。Tighten the screw plug, and fix the screw plug on the
减速套21在转动过程中,铁砂能在容纳腔22内滚动,使导磁件23与减速套21之间的摩擦转化为摩擦力较小的滚动摩擦,从而使导磁件23更容易向靠近磁性件13的方向移动。防止导磁件23与减速套21之间的摩擦力过大而导致导磁件23随减速套21进行圆周转动,起到提高可靠性和稳定性的效果。During the rotation of the
卡槽14的延伸方向与减速套21的转动轴心平行,固定壳体11能给卡槽14内的磁性件13提供减速套21旋转的周向上的支撑力,防止磁性件13在与导磁件23的相互作用下发生移动。The extension direction of the
在转轴连接件12的转动轴心方向上,容纳腔22的横截面呈以减速套21的轴心为中心的圆形,使得容纳腔22的横截面的中心位于减速套21的旋转轴心上。当减速套21转动时,容纳腔22靠近磁性件13的一端与磁性件13之间的距离相等,因此能保持磁性件13与导磁件23之间的磁力大小,防止导磁件23受到的磁力发生较大的变化而导致减速套21和转轴受到的阻力发生较大的变化,保证转轴转动的平稳性。In the direction of the rotation axis of the
实施例2:Example 2:
一种磁性减速结构,如图3所示,其与实施例1的区别在于:导磁件23为铁饼,铁饼设有与减速套21内壁贴合的弧形面24。A magnetic deceleration structure, as shown in FIG. 3 , differs from Embodiment 1 in that: the magnetic
本实施例具有以下优点:This embodiment has the following advantages:
通过弧形面24的设置,使铁饼与减速套21的相对滑动更平稳,降低震动和噪音。给转轴提供稳定的阻力,方便控制转轴的转速。Through the setting of the arc surface 24, the relative sliding of the discus and the
实施例3:Example 3:
一种磁性减速结构,其与实施例1的区别在于:导磁件23为铁珠。A magnetic deceleration structure, which is different from Embodiment 1 in that the magnetic
本实施例具有以下优点:This embodiment has the following advantages:
减速套21在转动过程中,铁珠能在容纳腔22内滚动,使导磁件23与减速套21之间的摩擦转化为摩擦力较小的滚动摩擦,从而使导磁件23更容易向靠近磁性件13的方向移动。防止导磁件23与减速套21之间的摩擦力过大而导致导磁件23随减速套21进行圆周转动,起到提高可靠性和稳定性的效果。给转轴提供稳定的阻力,方便控制转轴的转速。During the rotation of the
实施例4:Example 4:
一种磁性减速结构,如图4所示,其与实施例1的区别在于:导磁件23外表面设有塑胶层25。A magnetic deceleration structure, as shown in FIG. 4 , differs from Embodiment 1 in that the outer surface of the magnetic
本实施例具有以下优点:This embodiment has the following advantages:
塑胶层25具有更好的弹性,能吸收冲击并能提高摩擦力,从而增大导磁件23在减速套21上施加的阻力,方便控制转轴的转速,并能达到减震降噪的效果。The
实施例5:Example 5:
一种遮阳帘,如图5所示,其与实施例1的区别在于:包括遮阳帘主体31和实施例1中所述的磁性减速结构,磁性减速结构安装于遮阳帘主体31。A sunshade, as shown in FIG. 5 , differs from Embodiment 1 in that it includes a sunshade
本实施例具有以下优点:This embodiment has the following advantages:
通过在遮阳帘主体31上安装磁性减速结构,能给遮阳帘上的转轴提供阻力,起到控制转轴转动速度的作用,达到方便使用的效果。By installing the magnetic deceleration structure on the sunshade
综上所述,本领域的普通技术人员阅读本发明文件后,根据本发明的技术方案和技术构思无需创造性脑力劳动而作出其他各种相应的变换方案,均属于本发明所保护的范围。To sum up, after reading the present document, those of ordinary skill in the art can make other corresponding transformation schemes without creative mental work according to the technical solutions and technical ideas of the present invention, which all belong to the protection scope of the present invention.
Claims (10)
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