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WO2018018727A1 - 收放式窗帘 - Google Patents

收放式窗帘 Download PDF

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Publication number
WO2018018727A1
WO2018018727A1 PCT/CN2016/099510 CN2016099510W WO2018018727A1 WO 2018018727 A1 WO2018018727 A1 WO 2018018727A1 CN 2016099510 W CN2016099510 W CN 2016099510W WO 2018018727 A1 WO2018018727 A1 WO 2018018727A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
winding
synchronous
assemblies
bevel gear
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2016/099510
Other languages
English (en)
French (fr)
Inventor
黄介仁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Hongren Window Decorations Co Ltd
Original Assignee
Suzhou Hongren Window Decorations Co Ltd
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 Suzhou Hongren Window Decorations Co Ltd filed Critical Suzhou Hongren Window Decorations Co Ltd
Publication of WO2018018727A1 publication Critical patent/WO2018018727A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • 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
    • E06B9/38—Other details
    • 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
    • E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • E06B2009/2622—Gathered vertically; Roman, Austrian or festoon blinds

Definitions

  • the invention relates to the field of curtains, in particular to a retractable curtain.
  • curtains such as Roman blinds are generally retracted by a drawstring, and the drawstring is driven to be wound or unwound by a retracting device.
  • the retracting device comprises a synchronous wheel set for driving the rope to wind up, a winding shaft for winding the rope, the winding shaft and one of the synchronous wheels are directly connected or connected by a transmission component, and the synchronous wheel set is connected.
  • the coil is provided with a coil spring which provides a restoring force, and the drawstring is laminated and wound on the bobbin.
  • the drawstring is inserted into the curtain body from the upper end of the curtain body, and passes through a plurality of wire wheel stacking rolls after being passed out from the upper end of the curtain body. Wrap around the bobbin.
  • the curtain generally has a certain width, more than one drawstring is required, generally two or more, so that two or more spools are required correspondingly.
  • these winding shafts and synchronous wheel sets should be installed as far as possible along a straight line extending in the width direction of the curtain to avoid misalignment between the winding shaft and the synchronous wheel set.
  • the present invention provides a retractable curtain that is easy to install.
  • a retractable curtain comprising a bracket for mounting a curtain body, a retracting device for retracting the curtain cord, the retracting device comprising at least one synchronizing wheel set, at least two winding assemblies;
  • the synchronous wheel set includes at least one coil spring, at least two synchronous wheels rotatably disposed on the mounting seat, and two ends of each of the coil springs are fixedly coupled to the two synchronous wheels to be wound on the two synchronous wheels.
  • each of the winding assemblies includes a fixing base, a winding shaft rotatably disposed on the fixing seat, and a transmission shaft, and the transmission shaft and the at least one synchronous wheel are directly Connected or connected by a transmission assembly, the winding shaft is disposed through the transmission shaft and coaxial, and the axis of the transmission shaft of each winding assembly extends in the same direction, and is characterized in that: the mounting seat and the The fixing group is fixedly connected to the bracket, and the bracket is provided with a finite slot, and the center line of the limiting slot and the center line of the transmission shaft extend in the same direction, and the mounting seat and the fixing seat are Separately set and limit Limiting protrusion cooperating grooves, each of the limiting projections disposed in the limiting slot card.
  • the retracting device comprises a synchronous wheel set, a transmission assembly on both sides of the synchronous wheel set for changing a transmission direction, and each of the transmission components of each side is connected with one of the winding assemblies
  • Each of the transmission assemblies includes a first bevel gear and a second bevel gear that mesh with each other, and the first bevel gears of the two transmission assemblies are coupled to at least one of the synchronization wheels; each of the winding assemblies
  • the drive shaft is coupled to the corresponding second bevel gear.
  • the retracting device comprises a synchronous wheel set, a transmission assembly on both sides of the synchronous wheel set for changing a transmission direction, and the winding assembly respectively connected to the transmission components on both sides.
  • the transmission assembly of at least one side of the synchronous wheel set is coupled to at least two of the winding assemblies; each of the transmission assemblies includes a first bevel gear and a second bevel gear that mesh with each other, and the two transmission assemblies
  • the first bevel gear is coupled to at least one of the synchronizing wheels; the drive shaft of each of the winding assemblies and the corresponding second bevel gear are coupled, and the drive shaft of the same side is coaxial.
  • the retracting device comprises a plurality of the synchronous wheel sets and a plurality of the winding assemblies, and two sides of each of the synchronous wheel sets are respectively provided with a transmission component for changing a transmission direction, and each of the synchronous wheels
  • the transmission assemblies on both sides of the group are respectively connected to at least one of the winding assemblies;
  • each of the transmission assemblies respectively includes a first bevel gear and a second bevel gear that mesh with each other, the first of the two transmission assemblies a bevel gear is coupled to at least one of the synchronous wheels;
  • each of the winding assemblies includes a fixed seat, a bobbin rotatably disposed on the fixed seat, and a drive shaft, the drive shaft and the corresponding The two bevel gears are connected.
  • the rotation axis of the synchronous wheel and the axis of the transmission shaft extend in different directions.
  • the axis of rotation of the synchronous wheel and the axis of the drive shaft are perpendicular to each other.
  • an outer wall of the bobbin extends obliquely outward along an axial line of the drive shaft, and an end of the fixing seat corresponding to a larger outer diameter of the bobbin is provided for A threading hole through which the drawstring passes, the drawstring being connected to an end of the bobbin having a smaller outer diameter.
  • the fixing seat is provided with a threading hole and a wire hole
  • the wire hole is a plurality of and is disposed at different positions of the fixing seat
  • the threading hole is located at an outer wall of the winding shaft and a plurality of the Between the wire holes.
  • the present invention adopts the above structure, and has the following advantages compared with the prior art: the mutual cooperation of the limiting protrusion and the limiting groove on the bracket ensures the rear axle of the synchronous wheel set and the winding assembly along the axis of the transmission shaft.
  • the lines are arranged in the direction of extension to avoid misalignment between each other for easy installation.
  • Figure 1 is a front elevational view showing the curtain of the first embodiment of the present invention after being opened;
  • Figure 2 is a side view showing the curtain of the first embodiment of the present invention after being opened;
  • Figure 3 is a front elevational view showing the curtain of the first embodiment of the present invention after being wound up;
  • Figure 4 is a side view showing the curtain of the first embodiment of the present invention after winding
  • Figure 5 is a schematic view of a retracting device according to Embodiment 1 of the present invention.
  • Figure 6 is a cross-sectional view of the retracting device of Figure 5;
  • Figure 7 is an exploded perspective view of the winding assembly of Embodiment 1 of the present invention.
  • FIGS. 8 and 9 are schematic views of two perspectives of a synchronous wheel set according to Embodiment 1 of the present invention.
  • Figure 14 is a schematic view of a retracting device of Embodiment 2 of the present invention.
  • Figure 15 is a schematic view of a retracting device of Embodiment 3 of the present invention.
  • Synchronous wheel set 11, synchronous wheel; 12, coil spring; 13, gear teeth;
  • Transmission component 21, cylindrical gear; 22, first bevel gear; 23, second bevel gear;
  • winding assembly 31, fixed seat; 310, threading hole; 311, wire hole; 312, limiting protrusion; 32, winding shaft; 33, transmission shaft.
  • the retractable curtain comprises a curtain body 100, a cord 200 for driving the curtain body 100, and a retracting device for retracting the curtain cord 200.
  • the drawstring 200 is disposed in the curtain body 100, and the lower end of the drawstring 200 is fixedly coupled to the lower end of the curtain 100, and the upper end portion is fixedly coupled to the retracting device.
  • the upper end of the curtain body 100 has a horizontally extending bracket 300, and the retracting device comprises a mounting seat 400 mounted on the bracket 300, a synchronous wheel set 1, a transmission assembly 2 and a winding assembly 3, and the left and right sides of each synchronous wheel set 1 are respectively
  • a transmission assembly 2 is connected for changing the direction of the drive, and each of the winding assemblies 3 is connected via a transmission assembly 2 and at least one synchronous wheel set 1, respectively.
  • the retractable device has the following three settings:
  • the synchronous wheel set 1 is one, the transmission component 2 on the left side of the synchronous wheel set 1 is connected with one winding assembly 3, and the transmission component 2 on the right side of the synchronous wheel set 1 is connected with the other winding assembly 3, this embodiment
  • adopt mode A see Figures 1-6;
  • the synchronous wheel set 1 is one, and the transmission component 2 on the left side and/or the right side of the synchronous wheel set 1 is connected to at least two winding assemblies 3;
  • each synchronous wheel set 1 There are a plurality of synchronous wheel sets 1 and a plurality of winding assembly 3, and the transmission components 2 on the left and right sides of each synchronous wheel set 1 are respectively connected with at least one winding assembly 3, wherein two adjacent synchronous wheel sets are connected. There is at least one winding assembly 3 between 1.
  • the synchronizing wheel set 1 includes at least one coil spring 12 and at least two synchronizing wheels 11, and the synchronizing wheel 11 is rotatably disposed on the mount 400. Both ends of each of the coil springs 12 are fixedly coupled to the two synchronizing wheels 11 to be wound around the two synchronizing wheels 11 and the winding directions on the two synchronizing wheels 11 are opposite.
  • Each of the transmission assemblies 2 includes a first bevel gear 22 and a second bevel gear 23 that mesh with each other, and the first bevel gears 22 of the two transmission assemblies 2 on both sides of the synchronous wheel set 1 are connected to at least one synchronous wheel 11, wherein A bevel gear 22 and a second bevel gear 23 are rotatably disposed on the mount 400, respectively, and the rotational axis of the first bevel gear 22 and the rotational axis of the second bevel gear 23 are perpendicular to each other.
  • each of the winding assemblies 3 includes a fixing base 31 fixedly disposed at an upper end of the curtain body 100, a winding shaft 32 rotatably provided on the fixing base 31, and a transmission shaft 33, a transmission shaft 33 and a corresponding second portion.
  • the bevel gears 23 are connected, the bobbin 32 and the transmission shaft 33 are connected and coaxial, and the outer wall of the bobbin 32 extends obliquely outward along the axis line of the transmission shaft 33, and the upper end of the cable 200 is fixedly connected to An end of the bobbin 32 having a smaller outer diameter is provided with a threaded hole 310 through which the drawstring 200 passes, corresponding to a larger outer diameter of the bobbin 32.
  • the transmission shafts 3 of the three winding assemblies 3 may be the same axis, or may be three axes connected in sequence.
  • the rotation axis line of the synchronous wheel 11 and the axis line of the transmission shaft 33 are perpendicular to each other, and the axis line of the transmission shaft 33 extends in the left-right direction.
  • the rotation axis line of the synchronous wheel 11 and the axis line of the transmission shaft 33 are both horizontal, and the rotation axis line of the synchronous wheel 11 extends in the front-rear direction.
  • the fixing base 31 is further provided with a plurality of wire holes 311 respectively located at different positions of the fixing base.
  • the threading holes 310 are located between the guiding holes 311 and the outer wall of the winding shaft 32, and the upper end portions of the cable 200 are sequentially Since one of the wire holes 311 and the threading hole 310 passes through and is connected to one end portion of the bobbin 32 having a smaller outer diameter, the drawstring 200 has different tension when worn through different wire holes 311, and can be adjusted according to the weight of the curtain body. The tension of the rope 200.
  • the transmission shaft 33 has a polygonal cross section, specifically a regular hexagon, and the bobbin 32 has a hole matching the regular hexagon, and the bobbin 32 is sleeved on the transmission shaft 33.
  • a hole matching the regular hexagon is also formed on the second bevel gear 23, and one end of the bobbin 32 is inserted into the hole of the second bevel gear 23, the second bevel gear 23, the transmission shaft 33, and the bobbin 32 coaxial.
  • the synchronizing wheel 11 and the coil spring 12 have various combinations, such as:
  • the synchronous wheels 11 are two groups, and each set of synchronous wheels 11 includes two synchronous wheels 11, and the two synchronous wheels 11 of each set of synchronous wheels 11 are coaxial and arranged along their axis lines, and each group of synchronous wheels
  • the outer wall of at least one of the synchronous wheels 11 is provided with a ring of teeth 13, and the two sets of synchronous wheels 11 are meshed with each other by the teeth 13, and one of the two sets of synchronous wheels 11 has a synchronous wheel 11 and two of the first coil springs 12, respectively.
  • first coil spring 12 is wound around the two synchronous wheels 11, and the two ends of the second coil spring 12 are fixedly connected to the other synchronous wheels 11 of the two sets of synchronous wheels 11, respectively, and can be rolled.
  • first bevel gear 22 on the left side is connected to one of the synchronous wheels 11 of the left set of synchronous wheels 11, and the first bevel gear 22 on the right side and the right set of synchronous wheels
  • One of the synchronous wheels 11 of 11 is connected;
  • the synchronizing wheels 11 are three, and the outer walls of the three synchronizing wheels 11 are provided with a ring of teeth 13, which are sequentially engaged by the teeth 13, the leftmost synchronous wheel 11 and the left side.
  • the first bevel gear 22 is correspondingly connected
  • the rightmost synchronous wheel 11 and the right first bevel gear 22 are correspondingly connected
  • the coil spring 12 is two, and one end of one coil spring 12 is fixedly connected to the middle.
  • the synchronous wheel 11 and the synchronous wheel 11 on the left side, the two ends of the other coil spring 12 are fixedly connected to the intermediate synchronous wheel 11 and the right synchronous wheel 11, respectively, and the two coil springs 12 are stacked on the intermediate synchronous wheel 11 Winding
  • the synchronous wheels 11 are three groups, and each set of synchronous wheels 11 includes two synchronous wheels 11, and the two synchronous wheels 11 of each set of synchronous wheels 11 are coaxial and arranged along their axis lines, and each group of synchronous wheels At least one of the synchronous wheels 11 is provided with gear teeth 13, and the three sets of synchronous wheels 11 are meshed with each other by the teeth 13, and four coil springs 12 are wound around the three sets of synchronous wheels 11, and the winding manner is the same as that shown in FIG. The way;
  • the timing wheel 11 and the first bevel gear 22 are different shafts, and the rotation axis line of the synchronization wheel 11 and the axis line of the first bevel gear are parallel to each other, and the synchronization wheel 11 and the first bevel gear 22 are connected by the spur gear 21.
  • the synchronous wheel 11 is in mesh with the spur gear 22, and the spur gear 21 is coaxial with the first bevel gear 22.
  • the spur gear 21 and the first bevel gear 22 are integrally injection molded or One-piece casting.
  • the first bevel gear 22 and the second bevel gear 23 are both 90-degree bevel gears.
  • the upper surface of the bracket 300 is provided with a mounting slot 301 extending in the left-right direction of the window covering.
  • the mounting slot 301 is a rectangular slot, and the lower surface of the mounting bracket 400 has a matching width of the mounting slot 301.
  • the limiting protrusion 401, the lower surface of the fixing base 31 also has a limiting protrusion 312 that cooperates with the width of the mounting groove 301.
  • the mounting base 400 and the fixing base 31 are fixedly connected to the bracket 300 by screws, and each limiting convex The 401, 312 are just caught in the mounting groove 301, so that after installation, all of the mounting base 400 and the fixing base 31 are linearly arranged along the center line of the mounting groove 301 to prevent the transmission shaft 33 and the transmission assembly 2 from being offset.
  • the working process of the retractable curtain is as follows: the curtain 100 is pulled down, the cable 200 is unwound, the winding shaft 32 is rotated, the transmission shaft 33 is rotated, and the transmission direction is converted by 90 degrees through the transmission assembly 2, and the synchronous wheel 11 is rotated. After the rotation, the coil spring 12 is gradually unwound from one of the synchronous wheels 11 and wound onto the two synchronous wheels 11, and the deformation has an elastic force. Since the elastic force is insufficient to overcome the gravity of the curtain 100 itself, the curtain body 100 is rotated. In the open position, as shown in Figures 1, 2.
  • the windings first wound on the bobbin 32 are sequentially pushed forward by the rewinding bobbin, and the single layer is wound, so that the lamination of the drawstring 200 is avoided.
  • the winding or knotting is smooth and retractable; and the transmission direction is changed by the transmission component 2, so that the layout of the retracting device is reasonable and the structure is compact.
  • the present embodiment differs from Embodiment 1 only in that the axis of rotation of the synchronizing wheel 11 is vertical, i.e., extends in the up and down direction.
  • the retracting device is set in the above manner C, that is, there are a plurality of synchronizing wheel sets 1, and a plurality of winding components 3, each of which is synchronous.
  • the transmission assemblies 2 on the left and right sides of the group 1 are respectively connected to at least one winding assembly 3, wherein one or more winding assemblies 3 are arranged between two adjacent synchronous wheel groups 1.
  • each of the left and right sides of each of the synchronous wheel sets 1 is provided with a winding assembly 3, wherein the drive shaft 33 of the winding assembly 3 between the opposite transmission assemblies 2 of the two synchronous wheel sets 1 Both ends are connected to the second bevel gears 23 of the two transmission assemblies 2, respectively.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

一种收放式窗帘，包括支架（300）、收放装置，收放装置包括同步轮组（1）、绕线组件（3）；同步轮组（1）包括至少一个卷簧（12）、至少两个可转动地设于安装座（400）上的同步轮（11），各卷簧（12）的两端分别固定连接于两个同步轮（11）以卷绕于两个同步轮（11）上且在两个同步轮（11）上的卷绕方向相反；各绕线组件（3）分别包括固定座（31）、可转动地设于固定座（31）上的绕线轴（32）及传动轴（33），传动轴（33）与至少一个同步轮（11）直接相连接或通过传动组件（2）相连接，绕线轴（32）穿设于所述传动轴（33）且同轴，各绕线组件（2）的传动轴（33）的轴心线的延伸方向一致，安装座（400）和固定座（31）分别固定连接在支架（300）上，支架（300）上开设有限位槽（301），限位槽（301）的中心线和所述传动轴（33）的中心线的延伸方向一致，所述安装座（400）、固定座（31）上分别开设有与所述限位槽（301）相配合的限位凸起（401，312），各限位凸起（401，312）卡设于所述限位槽（301）内。通过限位凸起和支架上的限位槽的相互配合，保证安装后同步轮组、绕线组件沿传动轴的轴心线的延伸方向排列，避免互相之间错位，方便安装。

Description

收放式窗帘
技术领域
本发明涉及窗帘领域，特别涉及一种收放式窗帘。
背景技术
罗马帘等窗帘一般通过拉绳实现收放，拉绳由收放装置驱动卷绕或解卷。现有技术中，收放装置包括用于带动拉绳收卷的同步轮组、供拉绳卷绕的绕线轴，绕线轴和其中一个同步轮直接连接或通过传动组件相连接，同步轮组上卷绕设置有提供复位力的卷簧，拉绳层叠卷绕在绕线轴上，拉绳自帘体下端自上端穿设在帘体中，且自帘体上端穿出后经过若干导线轮层叠卷绕在绕线轴上。由于帘体通常具有一定宽度，因而需要不止一个拉绳，一般都为两个及以上，因而对应的需要两个及以上的绕线轴。为了保证帘体的平衡，这些绕线轴和同步轮组应该尽量沿一条帘体宽度方向延伸的直线安装，避免绕线轴、同步轮组互相之间错位。
发明内容
为解决上述技术问题，本发明提供一种方便安装的收放式窗帘。
为达到上述目的，本发明采用如下技术方案：
一种收放式窗帘，包括用于安装窗帘帘体的支架、用于窗帘拉绳收放的收放装置，所述收放装置包括至少一个同步轮组、至少两个绕线组件；所述同步轮组包括至少一个卷簧、至少两个可转动地设于安装座上的同步轮，各所述卷簧的两端分别固定连接于两个同步轮以卷绕于两个同步轮上且在两个同步轮上的卷绕方向相反；各所述绕线组件分别包括固定座、可转动地设于所述固定座上的绕线轴及传动轴，所述传动轴与至少一个同步轮直接相连接或通过传动组件相连接，所述绕线轴穿设于所述传动轴且同轴，各绕线组件的传动轴的轴心线的延伸方向一致，其特征在于：所述安装座和所述固定组分别固定连接在所述支架上，所述支架上开设有限位槽，所述限位槽的中心线和所述传动轴的中心线的延伸方向一致，所述安装座、固定座上分别开设有与所述限位槽相配合的限位凸起，各所述限位凸起卡设于所述限位槽内。
优选地，所述收放装置包括一个所述同步轮组、位于所述同步轮组两侧的用于改变传动方向的传动组件，每一侧的所述传动组件连接有一个所述绕线组件；各所述传动组件分别包括相互啮合的第一圆锥齿轮和第二圆锥齿轮，两个所述传动组件的所述第一圆锥齿轮与至少一个所述同步轮相连接；各所述绕线组件的所述传动轴和对应的所述第二圆锥齿轮相连接。
优选地，所述收放装置包括一个所述同步轮组、位于所述同步轮组两侧的用于改变传动方向的传动组件、分别与两侧的传动组件连接的所述绕线组件，所述同步轮组至少一侧的所述传动组件与至少两个所述绕线组件相连接；各所述传动组件分别包括相互啮合的第一圆锥齿轮和第二圆锥齿轮，两个所述传动组件的所述第一圆锥齿轮与至少一个所述同步轮相连接；各所述绕线组件的所述传动轴和对应的所述第二圆锥齿轮相连接，同一侧的传动轴共轴。
优选地，所述收放装置包括多个所述同步轮组、多个所述绕线组件，各所述同步轮组的两侧分别设置有用于改变传动方向的传动组件，各所述同步轮组两侧的所述传动组件分别至少一个所述绕线组件相连接；各所述传动组件分别包括相互啮合的第一圆锥齿轮和第二圆锥齿轮，两个所述传动组件的所述第一圆锥齿轮与至少一个所述同步轮相连接；各所述绕线组件分别包括固定座、可转动地设于所述固定座上的绕线轴及传动轴，所述传动轴和对应的所述第二圆锥齿轮相连接。
优选地，所述同步轮的转动轴心线和所述传动轴的轴心线的延伸方向不同。
更优选地，所述同步轮的转动轴心线和所述传动轴的轴心线相互垂直。
优选地，所述绕线轴的外壁沿所述传动轴的轴心线以逐渐向外的方式倾斜延伸，所述固定座的对应于所述绕线轴的外径较大的一端处开设有用于供拉绳穿过的穿线孔，所述拉绳和所述绕线轴的外径较小的一端相连接。
优选地，所述固定座上开设有穿线孔及导线孔，所述导线孔为多个且开设在所述固定座的不同位置，所述穿线孔位于所述绕线轴的外壁和多个所述导线孔之间。
结合上述，本发明采用以上结构，相比现有技术具有如下优点：通过限位凸起和支架上的限位槽的相互配合，保证安装后同步轮组、绕线组件沿传动轴的轴心线的延伸方向排列，避免互相之间错位，方便安装。
附图说明
附图1为本发明实施例1的窗帘拉开后的正面示意图；
附图2为本发明实施例1的窗帘拉开后的侧面示意图；
附图3为本发明实施例1的窗帘收卷后的正面示意图；
附图4为本发明实施例1的窗帘收卷后的侧面示意图；
附图5为本发明实施例1的收放装置的示意图；
附图6为附图5中收放装置的剖视图；
附图7为本发明实施例1的绕线组件的分解示意图；
附图8、9为本发明实施例1的同步轮组的两种视角的示意图；
附图10-13为本发明的另外几种同步轮组的示意图；
附图14为本发明的实施例2的收放装置的示意图；
附图15为本发明的实施例3的收放装置的示意图。
上述附图中，
100、帘体；200、拉绳；300、支架；301、安装槽；400、安装座；401、限位凸起；
1、同步轮组；11、同步轮；12、卷簧；13、轮齿；
2、传动组件；21、圆柱齿轮；22、第一圆锥齿轮；23、第二圆锥齿轮；
3、绕线组件；31、固定座；310、穿线孔；311、导线孔；312、限位凸起；32、绕线轴；33、传动轴。
具体实施方式
下面结合附图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。
实施例1
附图1-8示出了本发明的一种收放式窗帘，具体为一种收放式的罗马帘。参照附图1-8所示，收放式窗帘包括帘体100、带动帘体100收放的拉绳200及用于窗帘拉绳200收放的收放装置。拉绳200穿设在帘体100中且拉绳200的下端和帘体100的下端部固定连接、上端部和收放装置固定连接。帘体100上端具有水平延伸的支架300，收放装置包括安装在支架300的安装座400、同步轮组1、传动组件2以及绕线组件3，每个同步轮组1的左右两侧都分别连接有一个传动组件2用于改变传动方向，每个绕线组件3分别通过一个传动组件2和至少一个同步轮组1连接。收放装置具体有如下三种设置方式：
A、同步轮组1为一个，同步轮组1左侧的传动组件2与一个绕线组件3相连接，同步轮组1右侧的传动组件2与另一个绕线组件3相连接，本实施例即采用方式A，参见附图1-6；
B、同步轮组1为一个，同步轮组1左侧和/或右侧的传动组件2与至少两个绕线组件3相连接；
C、同步轮组1为多个，绕线组件3也为多个，各同步轮组1左右两侧的传动组件2分别与至少一个绕线组件3相连接，其中相邻两个同步轮组1之间具有至少一个绕线组件3。
同步轮组1包括至少一个卷簧12、至少两个同步轮11，同步轮11可转动地设置在安装座400上。各所述卷簧12的两端分别固定连接于两个同步轮11以卷绕于两个同步轮11上且在两个同步轮11上的卷绕方向相反。各传动组件2分别包括相互啮合的第一圆锥齿轮22和第二圆锥齿轮23，同步轮组1两侧的两个传动组件2的第一圆锥齿轮22与至少一个同步轮11相连接，其中第一圆锥齿轮22和第二圆锥齿轮23分别可转动地设置在安装座400上，且第一圆锥齿轮22的转动轴心线和第二圆锥齿轮23的转动轴心线相互垂直。参见附图7，各绕线组件3分别包括固定设置在帘体100上端的固定座31、可转动地设于固定座31上的绕线轴32及传动轴33，传动轴33和对应的第二圆锥齿轮23相连接，绕线轴32和传动轴33相互连接且同轴，绕线轴32的外壁沿传动轴33的轴心线以逐渐向外的方式倾斜延伸，拉绳200的上端部固定连接于绕线轴32外径较小的一端，固定座31的对应于绕线轴32的外径较大的一端处开设有供拉绳200穿过的穿线孔310。而若为上述方式B中，同步轮11同一侧若有多个绕线组件3，则这三个绕线组件3的传动轴3可以是同一个轴，也可以是依次连接的三个轴。
参照附图5、6所示，同步轮11的转动轴心线和传动轴33的轴心线相互垂直，传动轴33的轴心线沿左右方向延伸。具体到本实施例中，同步轮11的转动轴心线和传动轴33的轴心线均是水平的，同步轮11的转动轴心线沿前后方向延伸。
参照附图7所示，固定座31上还开设有多个分别处于固定座不同位置的导线孔311，穿线孔310位于导向孔311和绕线轴32的外壁之间，拉绳200的上端部依次自其中一个导线孔311、穿线孔310穿过后连接至绕线轴32外径较小的一端部上，拉绳200穿在不同的导线孔311时具有不同张紧力，可根据帘体重量调整拉绳200的张紧力。
传动轴33的截面为多边形，具体为正六边形，绕线轴32具有与该正六边形相匹配的孔，绕线轴32套设于传动轴33上。且第二圆锥齿轮23上也开设有与该正六边形相匹配的孔，绕线轴32的一端部插设在上述第二圆锥齿轮23的孔中，第二圆锥齿轮23、传动轴33、绕线轴32共轴。
同步轮11和卷簧12具有多种组合方式，如：
参见附图8、9，同步轮11为两个，同步轮11的外壁上均设置有一圈轮齿13，两个同步轮11通过轮齿13相互啮合，一个卷簧12卷绕在该两个同步轮11上，两个同步轮11分别与两个第一圆锥齿轮22相连接；
参见附图10，同步轮11为两组，每组同步轮11包括两个同步轮11，各组同步轮11的两个同步轮11共轴且沿其轴心线依次排列，各组同步轮11中至少一个同步轮11的外壁设置有一圈轮齿13，两组同步轮11通过轮齿13相互啮合，两组同步轮11中各有一个同步轮11分别与第一个卷簧12的两端相连接，且第一个卷簧12卷绕在这两个同步轮11上，第二个卷簧12的两端分别固定连接于两组同步轮11的另一个同步轮11上并可卷绕在这两个同步轮11上，左侧的第一圆锥齿轮22与左侧一组同步轮11中的一个同步轮11相连接，右侧的第一圆锥齿轮22与右侧一组同步轮11中的一个同步轮11相连接；
参见附图11，同步轮11为三个，三个同步轮11的外壁上均设置有一圈轮齿13，三个同步轮11通过轮齿13依次啮合，最左侧的同步轮11和左侧的第一圆锥齿轮22相对应连接，最右侧的同步轮11和右侧的第一圆锥齿轮22相对应连接，卷簧12为两个，其中一个卷簧12的两端分别固定连接于中间的同步轮11和左侧的同步轮11，另一个卷簧12的两端分别固定连接于中间的同步轮11和右侧的同步轮11，两个卷簧12在中间的同步轮11上层叠卷绕；
参见附图12，同步轮11为三组，每组同步轮11包括两个同步轮11，各组同步轮11的两个同步轮11共轴且沿其轴心线依次排列，各组同步轮11中至少一个同步轮11设置有轮齿13，三组同步轮11通过轮齿13相互啮合，有四个卷簧12卷绕于三组同步轮11上，卷绕方式同附图11所示的方式；
参见附图13，与附图12所示的方式的不同之处是有三个卷簧12卷绕于该三组同步轮11上，其中分别属于其中两组同步轮11的两个同步轮11上没有卷绕卷簧12；上述几种方式通过调节同步轮的个数、或卷簧的个数，可以适用于不同重量的帘体上，即，可以调节窗帘帘体的重量。
同步轮11和第一圆锥齿轮22不同轴，且同步轮11的转动轴心线和第一圆锥齿轮的轴心线相互平行，同步轮11和第一圆锥齿轮22通过圆柱齿轮21相连。具体地，同步轮11通过轮齿和该圆柱齿轮22相互啮合，该圆柱齿轮21和第一圆锥齿轮22同轴，具体到本实施例中，圆柱齿轮21和第一圆锥齿轮22一体注塑成型或一体铸造成型。本实施例中，第一圆锥齿轮22和第二圆锥齿轮23均为90度圆锥齿轮。
参见附图6、7、9，支架300的上表面开设有一个沿窗帘左右方向延伸的安装槽301，安装槽301为长方形槽，安装座400的下表面具有与安装槽301的宽度相配合的限位凸起401，固定座31的下表面也具有与安装槽301的宽度相配合的限位凸起312，安装座400和固定座31通过螺钉固定连接在支架300上，且各限位凸起401、312正好卡在该安装槽301内，使得安装后，所有的安装座400和固定座31都是沿安装槽301的中心线呈线形排列，避免传动轴33和传动组件2偏移。
该收放式窗帘的工作过程如下：向下拉帘体100，拉绳200解卷，带动绕线轴32转动，传动轴33随之转动，通过传动组件2将传动方向转换90度，同步轮11随之转动，卷簧12逐渐自其中一个同步轮11上解卷后方向卷绕到两一个同步轮11上，发生形变具有弹性力，由于该弹性力不足以克服帘体100自身重力，帘体100处于拉开位置，如附图1、2。
向上托或推帘体100，即向帘体100施加一个较小的推力，该推力和卷簧12弹性力的合力足以克服帘体100自身重力，卷簧12复位，同步轮11反向转动，绕线轴32转动将拉绳200收卷，帘体100随之收卷，如附图3、4。
由于绕线轴32的外壁为斜面，在收卷时，先卷绕在绕线轴32上的线匝依次被后卷绕的线匝向前推，单层卷绕，避免了拉绳200层叠而发生的常绕或打结，收放顺畅；而且通过传动组件2转换传动方向，使得收放装置的布局合理、结构紧凑。
实施例2
参照附图14所示，本实施例与实施例1的区别仅在于：同步轮11的转动轴心线是竖直的，即沿上下方向延伸。
实施例3
参照附图15所示，本实施例与实施例1的区别仅在于：收放装置按上述方式C设置，即，同步轮组1为多个，绕线组件3也为多个，各同步轮组1左右两侧的传动组件2分别与至少一个绕线组件3相连接，其中相邻两个同步轮组1之间具有一或多个绕线组件3。具体到本实施例中，各同步轮组1的左右两侧分别设有一个绕线组件3，其中位于两个同步轮组1相对的传动组件2之间的绕线组件3的传动轴33的两端分别与这两个传动组件2的第二圆锥齿轮23相连接。
上述实施例只为说明本发明的技术构思及特点，是一种优选的实施例，其目的在于熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限定本发明的保护范围。凡根据本发明的精神实质所作的等效变换或修饰，都应涵盖在本发明的保护范围之内。

Claims (8)

  1. 一种收放式窗帘，包括用于安装窗帘帘体的支架、用于窗帘拉绳收放的收放装置，所述收放装置包括至少一个同步轮组、至少两个绕线组件；所述同步轮组包括至少一个卷簧、至少两个可转动地设于安装座上的同步轮，各所述卷簧的两端分别固定连接于两个同步轮以卷绕于两个同步轮上且在两个同步轮上的卷绕方向相反；各所述绕线组件分别包括固定座、可转动地设于所述固定座上的绕线轴及传动轴，所述传动轴与至少一个同步轮直接相连接或通过传动组件相连接，所述绕线轴穿设于所述传动轴且同轴，各绕线组件的传动轴的轴心线的延伸方向一致，其特征在于：所述安装座和所述固定组分别固定连接在所述支架上，所述支架上开设有限位槽，所述限位槽的中心线和所述传动轴的中心线的延伸方向一致，所述安装座、固定座上分别开设有与所述限位槽相配合的限位凸起，各所述限位凸起卡设于所述限位槽内。
  2. 根据权利要求1所述的收放式窗帘，其特征在于：所述收放装置包括一个所述同步轮组、位于所述同步轮组两侧的用于改变传动方向的传动组件，每一侧的所述传动组件连接有一个所述绕线组件；各所述传动组件分别包括相互啮合的第一圆锥齿轮和第二圆锥齿轮，两个所述传动组件的所述第一圆锥齿轮与至少一个所述同步轮相连接；各所述绕线组件的所述传动轴和对应的所述第二圆锥齿轮相连接。
  3. 根据权利要求1所述的收放式窗帘，其特征在于：所述收放装置包括一个所述同步轮组、位于所述同步轮组两侧的用于改变传动方向的传动组件、分别与两侧的传动组件连接的所述绕线组件，所述一侧的所述传动组件与至少两个所述绕线组件相连接；各所述传动组件分别包括相互啮合的第一圆锥齿轮和第二圆锥齿轮，两个所述传动组件的所述第一圆锥齿轮与至少一个所述同步轮相连接；各所述绕线组件的所述传动轴和对应的所述第二圆锥齿轮相连接，同一侧的传动轴共轴。
  4. 根据权利要求1所述的收放式窗帘，其特征在于：所述收放装置包括多个所述同步轮组、多个所述绕线组件，各所述同步轮组的两侧分别设置有用于改变传动方向的传动组件，各所述同步轮组两侧的所述传动组件分别至少一个所述绕线组件相连接；各所述传动组件分别包括相互啮合的第一圆锥齿轮和第二圆锥齿轮，两个所述传动组件的所述第一圆锥齿轮与至少一个所述同步轮相连接；各所述绕线组件分别包括固定座、可转动地设于所述固定座上的绕线轴及传动轴，所述传动轴和对应的所述第二圆锥齿轮相连接。
  5. 根据权利要求1所述的收放式窗帘，其特征在于：所述同步轮的转动轴心线和所述传动轴的轴心线的延伸方向不同。
  6. 根据权利要求5所述的收放式窗帘，其特征在于：所述同步轮的转动轴心线和所述传动轴的轴心线相互垂直。
  7. 根据权利要求1所述收放式窗帘，其特征在于：所述绕线轴的外壁沿所述传动轴的轴心线以逐渐向外的方式倾斜延伸，所述固定座的对应于所述绕线轴的外径较大的一端处开设有用于供拉绳穿过的穿线孔，所述拉绳和所述绕线轴的外径较小的一端相连接。
  8. 根据权利要求1所述的收放式窗帘，其特征在于：所述固定座上开设有穿线孔及导线孔，所述导线孔为多个且开设在所述固定座的不同位置，所述穿线孔位于所述绕线轴的外壁和多个所述导线孔之间。
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