WO2012075648A1 - 儿童摇椅及摇摆机构 - Google Patents

儿童摇椅及摇摆机构 Download PDF

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Publication number
WO2012075648A1
WO2012075648A1 PCT/CN2010/079729 CN2010079729W WO2012075648A1 WO 2012075648 A1 WO2012075648 A1 WO 2012075648A1 CN 2010079729 W CN2010079729 W CN 2010079729W WO 2012075648 A1 WO2012075648 A1 WO 2012075648A1
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WIPO (PCT)
Prior art keywords
frame
swing
movable
seat
rod
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PCT/CN2010/079729
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English (en)
French (fr)
Inventor
李泽军
宋郑还
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好孩子儿童用品有限公司
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Application filed by 好孩子儿童用品有限公司 filed Critical 好孩子儿童用品有限公司
Publication of WO2012075648A1 publication Critical patent/WO2012075648A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
    • A47D13/00—Other nursery furniture
    • A47D13/10—Rocking-chairs; Indoor Swings ; Baby bouncers
    • A47D13/105—Rocking-chairs; Indoor Swings ; Baby bouncers pivotally mounted in a frame
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
    • A47D9/00—Cradles ; Bassinets
    • A47D9/02—Cradles ; Bassinets with rocking mechanisms
    • A47D9/057—Cradles ; Bassinets with rocking mechanisms driven by electric motors

Definitions

  • the invention relates to a children's rocking chair or shaker.
  • the existing children's rocking chair generally consists of a base, a rocking mechanism and a seat pocket.
  • the seat pocket is mounted on the base by a rocking mechanism and swayed by the swinging machine, and the swinging machine is usually rotated by a rotating shaft and the base.
  • the connecting support frame is provided, and a driving device is arranged on the base so that the support frame drives the seat pocket to swing around the rotating shaft to realize the reciprocating swing of the seat pocket.
  • This rocking chair's seat pocket has a single movement path that lacks fun and comfort.
  • the structure of the shaker is similar to that of the rocking chair. Generally, it is mainly composed of a movable or non-movable base, a rocking mechanism and a cradle.
  • the cradle is mounted on the base by a rocking mechanism and swayed by the rocking mechanism.
  • the structure of the rocking mechanism is as described above. .
  • the Chinese invention patent application with the publication number CN101773344A discloses a child rocking chair which is relatively rich in the above-mentioned structural functions, and a swinging rod is arranged between the seat pocket and the base, and the two ends of the swinging rod respectively pass the seat pocket and the base through the first
  • the rotating shaft and the second rotating shaft are rotatably connected, so that the swinging of the seat pocket relative to the base has a combination of two routes.
  • the swing of the seat pocket is only a combination of two swings, and the first shaft and the second shaft are themselves fixed in position, so the path of the seat pocket swing is too simple and lacks controllability.
  • the base frame includes a base that supports the entire rocking chair at the bottom, a mounting bracket mounted on the base, and is movably coupled to the base.
  • a movable frame of the fixed frame a locking device for locking the movable frame and the fixed frame, a first swinging bar, a second swinging bar and a seat pocket supporting frame, wherein the seat pocket is disposed on the seat support frame, the first swinging bar
  • the upper end portion is pivotally connected to the fixed frame
  • the upper end portion of the second swinging rod is pivotally connected to the movable frame
  • the two ends of the seat pocket support frame are respectively respectively connected with the lower end portion of the first swinging bar and the second pendulum
  • a lower end portion of the rod is pivotally connected, a rotation axis of the seat pocket support frame relative to the first swing rod and the second swing rod respectively, a rotation axis of the first swing rod relative to the fixed holder, and a second swing rod relative to the movable frame
  • the axes of rotation are parallel.
  • the first pendulum swings relative to the fixed frame
  • the second swinging bar swings relative to the movable frame, so that the seat support frame drives the seat pocket to swing.
  • the distance between the rotation axis of the second swing bar relative to the movable frame and the rotation axis of the first swing bar relative to the fixed frame can be changed, thereby changing the swinging path of the seat pocket.
  • a movable rod can be fixedly connected to the movable frame, and the fixed frame has a bracket, and the movable rod is slidably inserted into the bracket.
  • the movement of the movable frame relative to the fixed frame is achieved by sliding the movable rod relative to the bracket, and the structure is relatively simple.
  • the axis of the portion of the movable lever slidably inserted into the bracket is parallel to the horizontal plane.
  • the movement of the movable frame is performed in the horizontal direction
  • the movement of the rotating connecting shaft of the second swinging rod and the movable frame relative to the rotating connecting shaft of the first swinging rod and the fixed frame is also performed in the horizontal direction, which makes the seat pocket swing. Adjustments are also easy to maintain balance.
  • the distance between the first swing link and the rotational axis of the fixed frame and the seat support respectively is preferably equal to the distance between the second swing link and the rotational axis of the movable frame and the seat support respectively.
  • the rotation of the first rocker relative to the fixed frame is driven by a motor.
  • the rotation of the second rocker relative to the movable frame is driven by a motor.
  • the seat pocket and the seat support frame can be connected in a relatively rotatable manner, which can provide a more oscillating manner of the seat pocket.
  • a rocking mechanism including a base that forms a support at a bottom, a mounting bracket mounted on the base, a movable frame movably coupled to the fixed frame, and a relative lock for the movable frame and the fixed frame.
  • a locking device a first swing lever, a second swing lever and a swing support frame, wherein an upper end portion of the first swing link is pivotally connected to the fixed frame, and an upper end portion of the second swing link is pivotally connected to the movable frame
  • the two ends of the swing support frame are pivotally connected to the lower end portion of the first swing rod and the lower end portion of the second swing rod, respectively, and the rotation axis of the swing support frame relative to the first swing rod and the second swing rod respectively.
  • the rotation axis of the first swing rod relative to the fixed frame and the rotation axis of the second swing rod relative to the movable frame are parallel.
  • the first swinging rod swings relative to the fixed frame
  • the second swinging rod swings relative to the movable frame, so that the swinging support frame drives the seat pocket to swing.
  • the distance between the rotation axis of the second swing bar relative to the movable frame and the rotation axis of the first swing bar relative to the fixed frame can be changed.
  • the cradle or the seat pocket is mounted on the sway support frame, and when the oscillating support frame is changed in a swinging manner, the cradle or the seat pocket also changes the swinging path and the swinging amplitude.
  • the present invention has the following advantages compared with the prior art: the combination of the two swing bars and one connecting rod drives the seat pocket to swing, and the distance between the swing points of the two swing bars can be adjusted. By adjusting the distance between the two pendulum points, the swing and swing radius of the seat pocket can be changed to achieve the purpose of diversified swing, and the diversified swing can be adjusted according to needs.
  • the rocking chair has a simple overall structure and is relatively convenient to operate.
  • FIG. 1 is a side view of a rocking chair in an equilibrium state according to an embodiment of the present invention, wherein the distance between two prying points in the figure is equal to the distance between the connection points of the lower ends of the two pendulum bars;
  • Figure 2 is a side elevational view showing the portion of the fixing frame of the rocking chair shown in Figure 1 after being cut;
  • Figure 3 is a swing state diagram 1 of the structure shown in Figure 2;
  • Figure 4 is a second embodiment of the structure shown in Figure 2;
  • Figure 5 is a structural schematic view of the rocking chair of Figure 2 after adjusting the distance between the two pendulum points, wherein the distance between the two pendulum points is smaller than the distance between the pivot connection points of the lower ends of the two pendulum bars;
  • Figure 6 is a swing state diagram 1 of the structure shown in Figure 5;
  • Figure 7 is a second embodiment of the structure shown in Figure 5;
  • Figure 8 is a schematic view showing another structure of the rocking chair shown in Figure 2 after adjusting the distance between the two pendulum points.
  • the distance between the two pendulum points is greater than the distance between the pivot joints of the lower ends of the two pendulum bars. ;
  • Figure 9 is a swing state diagram 1 of the structure shown in Figure 8.
  • Figure 10 is a second perspective view of the structure of Figure 8.
  • Figure 11 is a cross-sectional view showing the connection structure between the movable frame and the fixed frame.
  • the fixing frame 2 and the bracket 3 are fixed together on the base 9.
  • the seat pocket 1 is disposed on the seat support frame 8, and the seat support frame 8 is respectively passed through A swing rod 6 and a second swing rod 7 are coupled to the fixed frame 2 and the movable frame 5.
  • the base 9 is usually on the ground and supports the entire rocking chair.
  • the upper end of the first swing link 6 is rotatably connected to the fixed frame 2 via a first pivot.
  • the lower end of the first swing link 6 and the front end of the seat support frame 8 (corresponding to the left end in FIG. 2) pass through the second pivot phase.
  • the upper end of the second swing link 7 is rotatably connected to the movable frame 5 via a third pivot, and the lower end of the second swing link 7 and the rear end of the seat support frame 8 (corresponding to the right end in FIG. 2) pass through the fourth pivot Rotate the connection.
  • Point A in FIG. 2 corresponds to the axis of the first pivot
  • point B corresponds to the axis of the second pivot
  • point C corresponds to the The axis of the three pivots
  • point D corresponds to the axis of the fourth pivot.
  • the movable frame 5 has a movable rod 4 attached to the bracket 3 and slidable relative to the bracket 3.
  • the bracket 3 is a hollow rod structure, and the movable rod 4 is inserted into the bracket 3, and the expansion and contraction of the movable rod 4 relative to the bracket 3 causes the movable frame 5 to move relative to the fixed frame 2.
  • the axis of the portion of the movable rod 4 inserted into the bracket 3 preferably extends in a direction parallel to the horizontal plane (usually the ground) as shown in Figs. 2-10.
  • the distance between the point A and the point B can be adjusted, and the distance between the point B and the point D, the distance between the point A and the point C, and the point C and The distance between points D is fixed.
  • the first swinging rod 6 and the second swinging rod 7 are connected to the seat pocket support frame 8.
  • the first swinging rod 6, the seat pocket support frame 8 and the second swinging rod 7 integrally form a link mechanism.
  • Point C and point D are the connection points of the link mechanism.
  • a motor assembly 31 may also be mounted on the bracket 3 or the mount 2 (shown as the bracket 3 in FIG. 2).
  • the motor assembly 31 drives the first swing link 6 to swing about the axis indicated by point A, by the first swing lever 6, the seat
  • the link mechanism composed of the pocket support frame 8 and the second swing link 7 follows the first swing link 6 in a plane, so that the seat support frame 8 drives the seat pocket 1 to swing back and forth.
  • the motor assembly 31 finds that the link mechanism is at the pole position, the motor automatically reverses and drives the first swing lever 6 to rotate in the reverse direction. This action can be completed by a common motor, and will not be described here.
  • the distance between point A and point C and the distance between point B and point D are preferably equal or substantially equal, such that when the movable frame 5 is adjusted relative to the fixed frame 2 such that the distance between A and B is equal to C and D A, B, C, and points can form a parallelogram, as shown in Figure 1-4.
  • the first swing lever 6 is driven to swing by the motor
  • the second swing link 7 and the seat pocket support frame 8 are linked in conjunction with the first swing link 6, and the seat pocket support frame 8 is almost a straight front swing
  • the movement shown in Figure 3) or the back swing (shown in Figure 4) causes the seat pocket 1 to oscillate approximately in translation.
  • the movable frame 5 is slid to adjust the distance between the two points of AB.
  • the motor assembly 31 drives the first swing link 6 to rotate.
  • a rotates the linkage of the second swinging lever 7 and the seat pocket support frame 8 following the first swinging lever 6 causes the seat pocket support frame 8 to sway the seat pocket 1 in an arc shape, and in this swing mode, the seat pocket 1
  • the swing radius is small.
  • the movable frame 5 is adjusted to adjust the distance between two points of AB.
  • the motor assembly 31 also drives the first pendulum. 6 swing around A, the second swing rod 7 and the seat pocket support frame 8 follow the first swing rod 6, and the seat pocket support frame 8 at this time drives the seat pocket 1 to make a relatively large amplitude arc swing, in this swing In the mode, the swinging radius of the seat pocket 1 is large.
  • the movement of the movable frame 5 relative to the fixed frame 2 should also be limited, that is, when the movable frame 5 is moved relative to the fixed frame 2 to a desired position, the two should be relatively positioned, and the positioning can be performed by the movable rod.
  • 4 is realized by the clamping engagement of the bracket 3, and as shown in FIG. 11, the movable frame 5 has a stud 51 inserted into the fixing frame 2, through which the clamping frame 2 is clamped. Cooperate to position the movable frame 5 relative to the fixed frame 2.
  • a rib 52 projecting in the radial direction is formed on the stud 51, and the rib 52 cooperates with the holder 2 to lock the movable frame 5 relative to the holder 2.
  • a rotating mechanism can be arranged between the seat pocket 1 and the seat support frame 8. Before the child rocking chair is used, the seat pocket 1 can be rotated at an appropriate angle around the seat support frame 8 by the rotating mechanism, so that the seat can be realized.
  • the pocket 1 makes more swings, for example, swinging left and right.

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  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Description

儿童摇椅及摇摆机构
技术领域
本发明涉及一种儿童摇椅或摇床。
背景技术
现有的儿童摇椅一般主要由底座、摇摆机构、座兜构成，座兜通过摇摆机构安装在底座上并在摇摆结机的带动下摇摆，而摇摆结机通常由通过一个转轴与基座相转动连接的支撑架来提供，基座上设置一驱动装置使得支撑架带动座兜绕转动轴摆动，以实现座兜的往复摆动。这种摇椅的座兜的运动路线单一，缺乏趣味性和舒适性。
摇床的结构与摇椅相似，一般主要由可移动或不可移动的底座、摇摆机构以及摇篮构成，摇篮通过摇摆机构安装在底座上并在摇摆机构的带动下摇摆，摇摆机构的结构即如上所述。
公开号为CN101773344A的中国发明专利申请披露了一种比上述结构功能相对丰富的儿童摇椅，其座兜与底座之间设置一摆杆，该摆杆的两端分别与座兜、底座通过第一转轴、第二转轴相转动连接，这样就使得座兜相对底座的摆动有了两种路线的结合。但实际上，座兜的摆动只是两种摆动的结合，而第一转轴和第二转轴本身是位置固定的，因而座兜摆动的路线还是过于简单，且缺乏可调控性。
发明内容
本发明的目的是提供一种可用在摇椅或摇床等童车设备上的摇摆机构，并提供一种应用该摇摆机构的儿童摇椅，其摇摆路线和方式更加多样化且可根据需求作调节。
本发明一方面提供一种儿童摇椅，包括基架、设置于该基架上的座兜，基架包括在底部对整个摇椅形成支撑的底座、安装于底座上的固定架、可移动地连接于固定架的活动架、用于将活动架与固定架相对锁定的锁定装置、第一摆杆、第二摆杆以及座兜支撑架，座兜设置于该座兜支撑架上，第一摆杆的上端部与固定架相枢轴转动地连接，第二摆杆的上端部与活动架相枢轴转动地连接，座兜支撑架的两端分别与第一摆杆的下端部、第二摆杆的下端部相枢轴转动地连接，座兜支撑架分别相对第一摆杆、第二摆杆转动的转轴线与第一摆杆相对固定架转动的转轴线以及第二摆杆相对活动架转动的转轴线相平行。第一摆杆相对固定架摆动，第二摆杆相对活动架摆动，使得座兜支撑架带动座兜摆动。相对固定架移动活动架，可以改变第二摆杆相对活动架转动的转轴线与第一摆杆相对固定架转动的转轴线之间的距离，从而使得座兜的摆动路线发生变化。
进一步地，活动架上可以固定连接一活动杆，固定架上具有一支架，活动杆可滑动地插入支架中。通过活动杆相对支架滑动来实现活动架相对固定架的移动，这种结构比较简单。
更进一步地，当该儿童座椅放置于水平面上时，活动杆的可滑动地插入支架中的部分的轴线平行于水平面。这样的话，活动架的移动沿水平方向进行，第二摆杆与活动架的转动连接轴相对第一摆杆与固定架的转动连接轴的移动也沿水平方向进行，这使得座兜在摆幅调整的同时也易于保持平衡。
优选地，第一摆杆分别相对固定架和座兜支撑架转动的转轴线之间的距离与第二摆杆分别相对活动架和座兜支撑架转动的转轴线之间的距离最好相等。
优选地，第一摆杆相对固定架的转动由一电机驱动。
或者，第二摆杆相对活动架的转动由一电机驱动。
优选地，座兜与座兜支撑架可以采用可相对转动的方式连接，这样可以提供座兜更多样的摆动方式。
本发明另一方面提供一种摇摆机构，其包括在底部形成支撑的底座、安装于底座上的固定架、可移动地连接于固定架的活动架、用于将活动架与固定架相对锁定的锁定装置、第一摆杆、第二摆杆以及摇摆支撑架，第一摆杆的上端部与固定架相枢轴转动地连接，第二摆杆的上端部与活动架相枢轴转动地连接，摇摆支撑架的两端分别与第一摆杆的下端部、第二摆杆的下端部相枢轴转动地连接，摇摆支撑架分别相对第一摆杆、第二摆杆转动的转轴线与第一摆杆相对固定架转动的转轴线以及第二摆杆相对活动架转动的转轴线相平行。第一摆杆相对固定架摆动，第二摆杆相对活动架摆动，使得摇摆支撑架带动座兜摆动。相对固定架移动活动架，可以改变第二摆杆相对活动架转动的转轴线与第一摆杆相对固定架转动的转轴线之间的距离。在实际应用时，摇篮或座兜安装在摇摆支撑架上，摇摆支撑架的摆动方式发生改变时，摇篮或座兜也即随之改变摆动路线和摆动幅度。
由于上述技术方案运用，本发明与现有技术相比具有下列优点：通过两个摆杆和一个连杆的结合方式来带动座兜摆动，而两个摆杆的摆点之间的距离可调节，通过调节两个摆点之间的距离可使座兜的摆幅和摆动半径得以改变，从而达到多样化摆动的目的，且这种多样化的摆动可以根据需要自行调整。该摇椅的整体结构简单，操作也比较方便。
附图说明
附图1为按照本发明实施的一种摇椅在平衡状态下的侧视图，图中的两个摆点之间的距离与两个摆杆的下端连接点之间的距离相等；
附图2为图1所示摇椅的固定架部分切开后的侧视结构示意图；
附图3为图2所示结构的摆动状态图一；
附图4为图2所示结构的摆动状态图二；
附图5为图2所示摇椅在调节两个摆点之间的距离后的一结构示意图，图中两个摆点之间的距离小于两个摆杆的下端枢连接点之间的距离；
附图6为图5所示结构的摆动状态图一；
附图7为图5所示结构的摆动状态图二；
附图8为图2所示摇椅在调节两个摆点之间的距离后的另一结构示意图，图中两个摆点之间的距离大于两个摆杆的下端枢连接点之间的距离；
附图9为图8所示结构的摆动状态图一；
附图10为图8所示结构的摆动状态图二；
附图11为显示活动架与固定架之间的连接结构的剖视示意图。
具体实施方式
下面结合附图1-11对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域的技术人员理解，从而对本发明的保护范围作出更为清楚明确的界定。
见图1-10所示的实施例，在该实施例中，固定架2和支架3一起固定在底座9上，座兜1设置于座兜支撑架8上，座兜支撑架8分别通过第一摆杆6和第二摆杆7与固定架2和活动架5相连接。底座9通常在地面上，对整个摇椅形成支撑。
第一摆杆6的上端与固定架2通过第一枢轴相转动连接，第一摆杆6的下端与座兜支撑架8的前端（对应于图2中的左端）通过第二枢轴相转动连接，此处的上端和下端对应于第一摆杆6的上下枢转位置，可以为靠近端部的一个区域内的任一位置，并不严格限定于第一摆杆6的端点，下文用法相同。
第二摆杆7的上端与活动架5通过第三枢轴相转动连接，第二摆杆7的下端与座兜支撑架8的后端（对应于图2中的右端）通过第四枢轴相转动连接。
上面所述的四个枢轴的轴线为相互平行的关系，图2中的A点即对应于第一枢轴的轴线，B点即对应指第二枢轴的轴线，而C点对应指第三枢轴的轴线，D点对应于第四枢轴的轴线。
如附图2-11所示，活动架5上具有活动杆4，该活动杆4连接于支架3且相对支架3可以滑动。见图11所示，支架3为空心杆件构造，活动杆4插入支架3内，活动杆4相对支架3的伸缩使得活动架5相对固定架2移动。当摇椅放置于水平面上时，活动杆4的插入支架3中的部分的轴线最好沿平行于水平面（通常即地面）的方向延伸，如图2-10所示的那样。
通过调节活动架5与固定架2之间的距离，能够调节A点与B点之间的距离，而B点与D点之间的距离、A点与C点之间的距离、C点与D点之间的距离都是固定不变的。
第一摆杆6与第二摆杆7共同与座兜支撑架8相连接，第一摆杆6、座兜支撑架8和第二摆杆7整体形成一连杆机构， C点与D点即为连杆机构的连接点。
支架3或固定架2（图2中所示为支架3）上还可安装电机组件31，电机组件31驱动第一摆杆6绕A点所示的轴线摆动，由第一摆杆6、座兜支撑架8和第二摆杆7组成的连杆机构跟随第一摆杆6在平面内联动，使得座兜支撑架8带动座兜1来回摆动。当电机组件31发现连杆机构位于极点位置时，电机就会自动反转，驱动第一摆杆6反向旋转。此动作通过常用的电机即可完成，在此不作赘述。当然，也可以通过驱动第二摆杆7绕B点所示的轴线转动，来使连杆机构运动。
A点与C点之间的距离和B点与D点之间的距离最好相等或大体上相等，这样的话，当活动架5相对固定架2调节到使A与B的距离等于C与D的距离时，A、B、C、点可以构成一平行四边形，如图1-4所示。在这种情况下，当第一摆杆6被电机驱动而摆动时，第二摆杆7和座兜支撑架8跟随第一摆杆6联动，座兜支撑架8几乎作为直线形的前摆（图3所示）或后摆（图4所示）运动，使得座兜1随之作近乎平移的摆动。
如图5-7所示，滑动活动架5，调节AB两点之间的距离，至A与B之间的距离小于C与D之间的距离时，电机组件31驱动第一摆杆6绕A转动时，第二摆杆7和座兜支撑架8跟随第一摆杆6的联动使得座兜支撑架8带动座兜1作弧形的摇摆，而这种摆动方式下，座兜1的摆动半径较小。
如附图8-10所示，滑动活动架5，调节AB两点之间的距离，至A与B之间的距离大于C与D之间的距离时，电机组件31同样驱动第一摆杆6绕A摆动，第二摆杆7和座兜支撑架8跟随第一摆杆6联动，此时的座兜支撑架8带动座兜1作幅度相对较大的弧形摇摆，在这种摆动方式下，座兜1的摆动半径较大。
上述活动架5相对固定架2的移动还应有所限制，也就是说，当活动架5相对固定架2移动到一所需位置时应能使两者相对定位，这种定位可以通过活动杆4与支架3的卡紧配合来实现，也可以如图11所示的那样，在活动架5上具有凸柱51，该凸柱51插入固定架2中，通过其与固定架2的卡紧配合来使活动架5相对固定架2被定位。在图11所示的实施例中，在凸柱51上还形成沿径向突起的凸筋52，该凸筋52与固定架2配合可使活动架5相对固定架2锁定。
座兜1和座兜支撑架8之间可以设置一旋转机构，儿童摇椅供使用之前，可以通过旋转机构使座兜1绕座兜支撑架8进行适当角度的旋转，这样的话，就可以实现座兜1作更多向的摆动，例如左右摆动。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，如将座兜更换为摇篮，即可应用于摇床，而在底座上安装轮子，又可应用于带摇摆功能的推车，这些都应涵盖在本发明的保护范围之内。

Claims (12)

1． 一种儿童摇椅，包括基架、设置于该基架上的座兜，其特征在于：所述基架包括
底座，该底座在底部对整个摇椅形成支撑；
固定架，所述固定架安装于底座上；
活动架，所述活动架可移动地连接于固定架；
锁定装置，用于将活动架与固定架相对锁定；
第一摆杆，该第一摆杆的上端部与固定架相枢轴转动地连接；
第二摆杆，该第二摆杆的上端部与活动架相枢轴转动地连接；
座兜支撑架，所述座兜支撑架的两端分别与第一摆杆的下端部、第二摆杆的下端部相枢轴转动地连接，所述座兜支撑架分别相对第一摆杆、第二摆杆转动的转轴线与第一摆杆相对固定架转动的转轴线以及第二摆杆相对活动架转动的转轴线相平行，所述座兜设置于该座兜支撑架上。
2． 根据权利要求1所述的儿童摇椅，其特征在于：所述活动架上固定连接有一活动杆，所述固定架上具有一支架，所述活动杆可滑动地插入支架中。
3． 根据权利要求2所述的儿童摇椅，其特征在于：当该儿童座椅放置于水平面上时，所述活动杆的可滑动地插入支架中的部分的轴线平行于水平面。
4． 根据权利要求1所述的儿童摇椅，其特征在于：所述第一摆杆分别相对固定架和座兜支撑架转动的转轴线之间的距离与所述第二摆杆分别相对活动架和座兜支撑架转动的转轴线之间的距离相等。
5． 根据权利要求1所述的儿童摇椅，其特征在于：所述第一摆杆相对固定架的转动由一电机驱动。
6． 根据权利要求1所述的儿童摇椅，其特征在于：所述第二摆杆相对活动架的转动由一电机驱动。
7． 根据权利要求1-6之一所述的儿童摇椅，其特征在于：所述座兜与座兜支撑架相可转动地连接。
8． 一种摇摆机构，其特征在于：它包括
底座，该底座在底部对整个机构形成支撑；
固定架，所述固定架安装于底座上；
活动架，所述活动架可移动地连接于固定架；
锁定装置，用于将活动架与固定架相对锁定；
第一摆杆，该第一摆杆的上端部与固定架相枢轴转动地连接；
第二摆杆，该第二摆杆的上端部与活动架相枢轴转动地连接；
摇摆支撑架，所述摇摆支撑架的两端分别与第一摆杆的下端部、第二摆杆的下端部相枢轴转动地连接，所述摇摆支撑架分别相对第一摆杆、第二摆杆转动的转轴线与第一摆杆相对固定架转动的转轴线以及第二摆杆相对活动架转动的转轴线相平行。
9． 根据权利要求8所述的摇摆机构，其特征在于：所述活动架上固定连接有一活动杆，所述固定架上具有一支架，所述活动杆可滑动地插入支架中。
10．根据权利要求8所述的摇摆机构，其特征在于：所述第一摆杆相对固定架的转动由一电机驱动。
11．根据权利要求8所述的摇摆机构，其特征在于：所述第二摆杆相对活动架的转动由一电机驱动。
12．根据权利要求8-11之一所述的摇摆机构，其特征在于：所述第一摆杆分别相对固定架和座兜支撑架转动的转轴线之间的距离与所述第二摆杆分别相对活动架和座兜支撑架转动的转轴线之间的距离相等。
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