WO2010133144A1 - 中空内置百叶窗 - Google Patents

中空内置百叶窗 Download PDF

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Publication number
WO2010133144A1
WO2010133144A1 PCT/CN2010/072676 CN2010072676W WO2010133144A1 WO 2010133144 A1 WO2010133144 A1 WO 2010133144A1 CN 2010072676 W CN2010072676 W CN 2010072676W WO 2010133144 A1 WO2010133144 A1 WO 2010133144A1
Authority
WO
WIPO (PCT)
Prior art keywords
louver
built
side frame
hollow built
rope reel
Prior art date
Application number
PCT/CN2010/072676
Other languages
English (en)
French (fr)
Inventor
张学忠
Original Assignee
Zhang Xuezhong
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 Zhang Xuezhong filed Critical Zhang Xuezhong
Priority to CA2762920A priority Critical patent/CA2762920C/en
Priority to US13/321,512 priority patent/US8616260B2/en
Priority to EP10777347.5A priority patent/EP2434084A4/en
Publication of WO2010133144A1 publication Critical patent/WO2010133144A1/zh
Priority to US14/082,001 priority patent/US9121220B2/en

Links

Classifications

    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/303—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape
    • E06B9/307—Details of tilting bars and their operation

Definitions

  • the utility model relates to a door and a window, in particular to a blind. Background technique
  • the utility model aims to solve the above technical problems, and provides a hollow built-in shutter, and can improve the heat insulating performance by using a non-metallic spacer.
  • the utility model can be assembled conveniently, has good heat insulation effect, and can save large-sized blinds with labor-saving.
  • the utility model is realized as follows: a hollow built-in louver, which comprises an outer glass, an inner glass, a spacer strip, and a louver, wherein the louver is installed on the outer glass, the inner glass and the stepped interval a closed space enclosed by the strip; the cross section of the spacer strip has a step for connecting the louver;
  • the louver includes a fixing device including an upper beam having a protrusion in cross section, a left side frame having a protrusion in a section, and a right side frame having a protrusion in a section; the upper beam and the left and right sides of the louver
  • the protrusions of the frame are each placed on the step of the spacer strip and connected to the spacer strip.
  • the hollow built-in louver, the surface of the spacer strip is provided with an adhesive for connecting the inner glass, the outer glass and the louver fixing device together.
  • the hollow built-in louver, the louver further includes:
  • a transmission comprising a plurality of rope reels, a plurality of ladder reversing mechanisms, a plurality of bearings and bearing seats for supporting the rope reel, a conical balance take-up around a balanced cable, and a connection for the connection a drive shaft of a louver drive device, a rope reel and a conical balance take-up, wherein the rope reel, the ladder reversing mechanism, the bearing and the bearing housing, the conical balance take-up, and the drive shaft are disposed thereon Inside the cavity of the beam;
  • the driving device disposed in the cavity of the right side frame, the driving device comprises a pulley, a timing belt, a built-in manipulator, a pulley, and two ends of the belt are connected to the two ends of the built-in manipulator And forming a closed loop, connecting the pulley and the pulley together;
  • a lower beam a blade collecting groove and a plurality of shades connected in series by a drawstring; one end of the drawstring is coupled to the lower beam and connected to the rope reel through the shade;
  • a drive unit A drive unit.
  • the hollow built-in louver, the upper beam, the left side frame and the right side frame are rectangular cavity structures including a u-shaped groove and a cover plate for accommodating the louver transmission device and the The louver drive device is described.
  • the hollow built-in louver, one end of the balanced pull wire is fixed on the large diameter end of the cone balance retractor, and the other end is connected with a constant force spring through a constant force spring seat, and the constant force spring inner ring is connected with the constant force spring Seat, the outer ring is fixed on the left side frame.
  • the hollow built-in louver further comprises a ladder rope turning mechanism which is arranged on the protruding small shaft of the rope reel, and mainly comprises a reverse torsion spring and a ladder rope which are arranged on the rope reel and which are close to the bearing.
  • the two ends of the inverted torsion spring are free ends and can be driven by the rope reel, and the ladder rope fixing ring is driven by the reverse torsion spring;
  • the bearing housing comprises a frame base and is connected to the base a ring sleeve for accommodating a bearing, the ring sleeve is provided with two limiting blocks having a certain width at two connection positions near the bottom of the flipping torsion spring and the base to limit the two of the inverted torsion springs The angle of rotation of the free ends.
  • the hollow built-in louver, the louver driving device comprises a motor and a control circuit board.
  • the hollow built-in louver, the louver driving device comprises a magnetic drive mechanism.
  • the utility model changes the cross-sectional shape of the spacer strip, and uses a step forming space to facilitate the installation of the venetian blind, and the spacer strip is made of a material with low thermal conductivity, which effectively prevents heat exchange and improves the heat insulation performance of the product.
  • the cone balance wire take-up device is used to balance different load moments by changing the drawstrings connecting the constant force springs at different diameter positions, and the friction is reduced by the bearings.
  • the blade collecting groove can stack the shades neatly and not in contact with the guide rail or the glass.
  • Figure 1 is a schematic view of an embodiment of the present invention
  • Figure 2 is a front elevational view of the louver fixing device
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 4 is a cross-sectional view taken along line K-K of Figure 2;
  • Figure 5 is a front elevational view of the internal structure of the louver
  • Figure 6 is an axial side view of the louver
  • Figure 7 is a partial enlarged view of the R portion of Figure 6;
  • Figure 8 is a partial enlarged view of the F portion of Figure 6;
  • Figure 9 is a partial enlarged view of the N portion of Figure 6;
  • Figure 10 is a partial enlarged view of the portion W of Figure 6;
  • Figure 11 is a cross-sectional view taken along line D-D of Figure 10. detailed description
  • a hollow built-in louver includes an outer glass 13a, an inner glass 13b, a spacer 14 and a louver 12, and the louver 12 is mounted on the outer glass 13a, the inner glass 13b, and An enclosed space surrounded by the spacers 14; the section of the spacers 14 has a step for connecting the louvers;
  • the louver 12 includes a fixing device including an upper beam having a protrusion in cross section, a left side frame 10a and a right side frame 10b having a protrusion in section; the louver The upper beam 1 and the protrusions of the left side frame 10a and the right side frame 10b are placed on the spacer bar 14 And connected to the spacer 14 on the step.
  • the spacers 14 are made of a composite plastic material, and the surface thereof is coated with an adhesive for bonding the inner glass 13b, the outer glass 13a, and the fixing means of the louver 12.
  • the louver 12 includes:
  • Transmission which comprises a plurality of rope reels 3, a plurality of ladder reversing mechanisms 4, a plurality of bearings 26 and bearing housings 2 for supporting the rope reel 3, one with a balanced cable a conical balance take-up 8 of 24, and a drive shaft 9 for connecting the louver drive, the rope reel 3 and the conical balance take-up 8, the reel 3, the bearing 26 and the bearing housing 2.
  • the tapered balance wire take-up device 8 and the drive shaft 9 are all placed in the cavity of the upper beam 1;
  • louver drive (see Figures 5, 6 and 9), which is placed in the cavity of the right side frame 10b, which comprises a pulley 7, a timing belt 20, a built-in manipulator 16, a pulley 21, Both ends of the belt 20 are connected to both ends of the built-in manipulator 16 and form a ring shape, and the pulley 21 and the pulley 7 are connected together;
  • the louver further includes a lower beam 12a, a blade collecting groove 12b, and a plurality of shades 12 connected by a pull cord 12c.
  • One end of the drawstring 12c and the lower end The beam 12a is connected and connected to the rope reel 3 through the shade 12d.
  • the hollow built-in louver, the upper beam 1, the left side frame 10a and the right side frame 10b are U-shaped groove structures, respectively composed of a PVC cover plate 18, a PVC cover plate 19a and a PVC cover plate 19b.
  • a rectangular cavity structure for accommodating the louver transmission and the louver drive (see Figures 2 to 4).
  • the hollow built-in louver has one end fixed to the large diameter end of the conical balance take-up 8 and the other end connected to the constant force spring 23 via a constant force spring seat 22, the constant force spring 23
  • the ring is connected to the constant force spring seat 22, and the outer ring is fixed to the left side frame 10a (see Fig. 8).
  • the louver 12 further includes a ladder reversing mechanism 4 fitted over the protruding small shaft 3.1 of the rope reel 3, which mainly comprises a reverse torsion spring 4.1 and a ladder rope which are fitted to the rope reel and abuts against the bearing 26.
  • a fixing ring 4.2 the two ends of the inverted torsion spring 4.1 are free ends and can be driven by the rope reel 3, and the ladder fixing ring 4.2 is driven by the reverse torsion spring 4.1 (as shown in Figures 9 and 10);
  • the bearing housing 2 includes a frame base and a ring sleeve connected to the base for receiving the bearing 26, and the ring sleeve is adjacent to the bottom of the flip torsion spring 4.1 and the two connections of the base.
  • Two limiting blocks 2.1 having a certain width are provided at the position to limit the angle of rotation of the two free ends of the inverted torsion spring 4.1.
  • the upper end of the ladder cord 12e that drives the louver shade 12d to be turned over is fixed to the ladder cord fixing ring 4.2, and the louver shade 12d is driven to be turned over by the ladder cord fixing ring 4.2.
  • the hollow built-in louver may be electrically driven or manually driven, and the driving device including the motor and the control circuit board may also be a magnetic drive mechanism.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Description

中空内置百叶窗 技术领域
本实用新型涉及门、 窗， 尤其涉及一种百叶窗。 背景技术
现代家庭当中， 由于具有良好的隔热、 隔音和遮阳效果， 中空玻璃百叶 窗已被广泛釆用。 这类产品一般是把百叶窗与金属间隔条预先组装在一起， 然后进行玻璃合片的工作。 因此这种中空百叶窗结构中的金属间隔条， 因为 它的良好的导热作用， 在中空玻璃中严重影响了产品的隔热性能。 同时由 于间隔条与百叶窗预先组装在一起， 对间隔条实施双道密封带来很大困难。 因此很多产品仅釆用单道密封， 导致传热系数较高， 产品密封性能较低。
此外， 这类产品的百叶窗在拉升过程当中， 由于被收起的叶片数量不断 增加， 叶片的重量和拉升系统的摩擦力也不断增加， 导致所需要的拉力随着 拉升高度的加大而不断增加，导致内置操控器和外置操控器间的磁力不够而 经常脱开。 因此这种中空百叶窗的尺寸有很大的局限性。 发明内容
本实用新型旨在解决上述技术问题， 提供一种中空内置百叶窗， 并能釆 用非金属的间隔条提高隔热性能。 本实用新型能方便地组装， 隔热效果好， 而且可以省力地收拉大尺寸的百叶窗。
本实用新型是这样实现的： 一种中空内置百叶窗， 它包括外层玻璃、 内 层玻璃、 间隔条、 和百叶窗， 所述百叶窗安装在由所述外层玻璃、 内层玻璃 以及带台阶的间隔条所围成的封闭空间内； 所述间隔条的截面带有一台阶， 该台阶用于连接所述百叶窗；
所述百叶窗包括一个固定装置，该固定装置包括截面带有一突出体的上 梁、截面带有一突出体的左侧框和截面带有一突出体的右侧框； 所述百叶窗 的上梁以及左右侧框的突出体均置于所述间隔条的台阶上并与所述间隔条 连接。 所述的中空内置百叶窗， 所述间隔条表面带粘接剂， 用于把所述内层玻 璃、 外层玻璃以及百叶窗固定装置连接在一起。
所述的中空内置百叶窗， 所述百叶窗还包括：
一个传动装置， 该传动装置包含若干卷绳器， 若干梯绳翻转机构， 若干 轴承和轴承座用以支撑卷绳器， 一个绕有平衡拉线的锥形平衡收线器， 以及 一个用以连接所述百叶窗驱动装置、卷绳器和锥形平衡收线器的传动轴， 所 述卷绳器、 梯绳翻转机构、 轴承和轴承座、 锥形平衡收线器、 传动轴均置于 所述上梁的空腔内；
一个置于所述右侧框的空腔内的驱动装置， 该驱动装置包含一皮带轮， 一同步皮带， 一内置操控器， 一滑轮， 所述皮带的两端与所述内置操控器两 端连接并组成一封闭环形， 把所述滑轮以及所述皮带轮连接在一起；
下梁、 叶片收集槽和若干用拉绳依次连接在一起的一组遮光物； 所述拉 绳的一端与所述下梁连接， 并穿过所述遮光物与所述卷绳器连接； 以及 一驱动装置。
所述的中空内置百叶窗， 所述上梁、所述左侧框和所述右侧框均为包括 一个 u形槽和一个盖板的矩形空腔结构， 用于容纳所述百叶窗传动装置和 所述百叶窗驱动装置。
所述的中空内置百叶窗，所述平衡拉线的一端固定在锥形平衡收线器的 大直径端， 另一端通过一个恒力弹簧座连接有恒力弹簧， 该恒力弹簧内圈连 接恒力弹簧座， 外圈固定在左侧框上。
所述的中空内置百叶窗，所述百叶窗还包括一个套装在卷绳器突出小轴 上的梯绳翻转机构，它主要包括套装在卷绳器上的一个紧靠轴承的翻转扭簧 和一个梯绳固定环， 该翻转扭簧的两端为自由端并能在卷绳器的驱动下转 动， 而梯绳固定环由翻转扭簧驱动； 所述的轴承座包括一个框架式的底座和 连接在底座之上的一个用以容纳轴承的环套，该环套靠近翻转扭簧一侧底部 和底座的两个连接位置处设有两个具有一定宽度的限位块以限制所述翻转 扭簧的两个自由端的转动角度。
所述的中空内置百叶窗， 所述百叶窗驱动装置包括电机和控制线路板。 所述的中空内置百叶窗， 所述百叶窗驱动装置包括一磁力驱动机构。 本实用新型改变了间隔条的截面形状，利用一个台阶形成空间方便百叶 帘安装， 而且间隔条釆用导热系数低的材料制作， 有效地阻止热量交换， 提 高了产品隔热性能。 同时利用锥形平衡收线器， 通过改变连接恒力弹簧的拉 绳处于不同直径位置产生不同的力矩来平衡不同的负载力矩，利用轴承减少 摩擦。 为了减少遮光物上下运动时和导轨或玻璃的摩擦， 叶片收集槽可以把 遮光物整齐的堆叠起来， 不和导轨或玻璃接触。 附图说明
下面， 结合附图对本实用新型的具体实施方式：
图 1为本实用新型的一个实施例示意图；
图 2为所述百叶窗固定装置正视图；
图 3为图 2中 A-A剖视图；
图 4为图 2中 K-K剖视图；
图 5为所述百叶窗内部结构正视图；
图 6为所述百叶窗的轴侧图；
图 7为图 6中 R部的局部放大图；
图 8为图 6中 F部的局部放大图；
图 9为图 6中 N部的局部放大图；
图 10为图 6中 W部的局部放大图；
图 11为图 10中 D-D剖视图。 具体实施方式
如图 1 所示， 一种中空内置百叶窗， 它包括外层玻璃 13a、 内层玻璃 13b、 间隔条 14和百叶窗 12， 所述百叶窗 12安装在由所述外层玻璃 13a、 内层玻璃 13b以及间隔条 14所围成的封闭空间内；所述间隔条 14的截面带 有一台阶， 用于连接所述百叶窗；
请结合图 2、 图 3和图 4， 所述百叶窗 12包括一个固定装置包含截面带 有一突出体的上梁 1、 截面带有一突出体的左侧框 10a和右侧框 10b; 所述 百叶窗的上梁 1以及左侧框 10a和右侧框 10b的突出体均置于所述间隔条 14 的台阶上并与所述间隔条 14连接。
所述间隔条 14为复合的塑胶材料制作， 其表面涂有粘接剂， 用于把所 述内层玻璃 13b、 外层玻璃 13a以及百叶窗 12的固定装置粘接在一起。
现请看图 5至图 11， 所述百叶窗 12包括：
传动装置 （请参见图 5、 图 6和图 8)， 它包括若干卷绳器 3， 若干梯绳 翻转机构 4， 若干轴承 26和轴承座 2用以支撑卷绳器 3， 一个绕有平衡拉线 24的锥形平衡收线器 8， 以及一个用以连接所述百叶窗驱动装置、 卷绳器 3 和锥形平衡收线器 8的传动轴 9， 所述卷绳器 3、 轴承 26和轴承座 2、 锥形 平衡收线器 8、 传动轴 9均置于所述上梁 1的空腔内；
百叶窗驱动装置（参见图 5、 图 6和图 9)， 它置于所述右侧框 10b的空 腔内， 其包含一皮带轮 7， 一同步皮带 20， 一内置操控器 16， 一滑轮 21， 所述皮带 20的两端与所述内置操控器 16两端连接并组成一封环形，把所述 滑轮 21以及所述皮带轮 7连接在一起；
再请看图 5和图 6， 所述百叶窗还包含下梁 12a、 叶片收集槽 12b和若 干用拉绳 12c依次连接在一起的一组遮光物 12山 所述拉绳 12c的一端与所 述下梁 12a连接， 并穿过所述遮光物 12d与所述卷绳器 3连接。
所述的中空内置百叶窗，所述上梁 1、所述左侧框 10a和所述右侧框 10b 均为 U形槽结构， 分别和 PVC盖板 18、 PVC盖板 19a和 PVC盖板 19b组 成矩形空腔结构， 用于容纳所述百叶窗传动装置和所述百叶窗驱动装置（参 见图 2至图 4)。
所述的中空内置百叶窗， 所述平衡拉线 24的一端固定在锥形平衡收线 器 8的大直径端， 另一端通过一个恒力弹簧座 22连接有恒力弹簧 23， 该恒 力弹簧 23内圈连接恒力弹簧座 22， 外圈固定在左侧框 10a上 （参见图 8)。
所述百叶窗 12还包括一个套装在卷绳器 3的突出小轴 3.1上的梯绳翻 转机构 4，它主要包括套装在卷绳器上的一个紧靠轴承 26的翻转扭簧 4.1和 一个梯绳固定环 4.2， 该翻转扭簧 4.1 的两端为自由端并能在卷绳器 3的驱 动下转动， 而梯绳固定环 4.2由翻转扭簧 4.1驱动 （如图 9和 10所示）； 所述的轴承座 2 包括一个框架式的底座和连接在底座之上的一个用以 容纳轴承 26的环套， 该环套靠近翻转扭簧 4.1一侧底部和底座的两个连接 位置处设有两个具有一定宽度的限位块 2.1 以限制所述翻转扭簧 4.1的两个 自由端的转动角度。带动所述百叶窗遮光物 12d翻转的梯绳 12e上端固定在 所述梯绳固定环 4.2上， 由所述梯绳固定环 4.2驱动实现所述百叶窗遮光物 12d翻转。
所述的中空内置百叶窗可以是电驱动的， 也可以是手动驱动的， 其驱动 装置包括电机和控制线路板也可以为一磁力驱动机构。
本技术领域中的普通技术人员应当认识到， 以上的实施例和原理说明仅 是用来说明本实用新型的， 而并非用作为对本实用新型的限定， 只要在本实 用新型的实质精神范围内， 而对以上所述实施例的变化、变型都将落在本实 用新型的权利要求书范围内。

Claims

权利要求
1.一种中空内置百叶窗， 它包括外层玻璃、 内层玻璃、 间隔条、 和百 叶窗， 所述百叶窗安装在由所述外层玻璃、 内层玻璃以及带台阶的间隔条所 围成的封闭空间内； 其特征在于， 所述间隔条的截面带有一台阶， 该台阶用 于连接所述百叶窗；
所述百叶窗包括一个固定装置，该固定装置包括截面带有一突出体的上 梁、截面带有一突出体的左侧框和截面带有一突出体的右侧框； 所述百叶窗 的上梁以及左右侧框的突出体均置于所述间隔条的台阶上并与所述间隔条 连接。
2. 根据权利要求 1 所述的中空内置百叶窗， 其特征在于， 所述间隔条 表面带粘接剂， 用于把所述内层玻璃、外层玻璃以及百叶窗固定装置连接在 一起。
3. 根据权利要求 1 所述的中空内置百叶窗， 其特征在于， 所述百叶窗 还包括：
一个传动装置， 该传动装置包含若干卷绳器， 若干梯绳翻转机构， 若干 轴承和轴承座用以支撑卷绳器， 一个绕有平衡拉线的锥形平衡收线器， 以及 一个用以连接所述百叶窗驱动装置、卷绳器和锥形平衡收线器的传动轴， 所 述卷绳器、 梯绳翻转机构、 轴承和轴承座、 锥形平衡收线器、 传动轴均置于 所述上梁的空腔内；
一个置于所述右侧框的空腔内的驱动装置， 该驱动装置包含一皮带轮， 一同步皮带， 一内置操控器， 一滑轮， 所述皮带的两端与所述内置操控器两 端连接并组成一封闭环形， 把所述滑轮以及所述皮带轮连接在一起；
下梁、 叶片收集槽和若干用拉绳依次连接在一起的一组遮光物； 所述拉 绳的一端与所述下梁连接， 并穿过所述遮光物与所述卷绳器连接； 以及
一驱动装置。
4. 根据权利要求 1 所述的中空内置百叶窗， 其特征在于， 所述上梁、 所述左侧框和所述右侧框均为包括一个 U形槽和一个盖板的矩形空腔结构， 用于容纳所述百叶窗传动装置和所述百叶窗驱动装置。
5. 根据权利要求 3 所述的中空内置百叶窗， 其特征在于， 所述平衡拉 线的一端固定在锥形平衡收线器的大直径端，另一端通过一个恒力弹簧座连 接有恒力弹簧， 该恒力弹簧内圈连接恒力弹簧座， 外圈固定在左侧框上。
6. 根据权利要求 3 所述的中空内置百叶窗， 其特征在于， 所述百叶窗 还包括一个套装在卷绳器突出小轴上的梯绳翻转机构，它主要包括套装在卷 绳器上的一个紧靠轴承的翻转扭簧和一个梯绳固定环，该翻转扭簧的两端为 自由端并能在卷绳器的驱动下转动， 而梯绳固定环由翻转扭簧驱动； 所述的 轴承座包括一个框架式的底座和连接在底座之上的一个用以容纳轴承的环 套，该环套靠近翻转扭簧一侧底部和底座的两个连接位置处设有两个具有一 定宽度的限位块以限制所述翻转扭簧的两个自由端的转动角度。
7. 根据权利要求 1 所述的中空内置百叶窗， 其特征在于， 所述百叶窗 驱动装置包括电机和控制线路板。
8. 根据权利要求 1 所述的中空内置百叶窗， 其特征在于， 所述百叶窗 驱动装置包括一磁力驱动机构。
PCT/CN2010/072676 2009-05-22 2010-05-12 中空内置百叶窗 WO2010133144A1 (zh)

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