CN106761338B

CN106761338B - Curtain coiling variable speed assembly

Info

Publication number: CN106761338B
Application number: CN201510799556.6A
Authority: CN
Inventors: 郑立铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-11-19
Filing date: 2015-11-19
Publication date: 2018-11-06
Anticipated expiration: 2035-11-19
Also published as: CN106761338A

Abstract

A kind of curtain coiling variable speed assembly, to solve the problems, such as that current curtain coiling variable speed assembly retracting efficiency is not as expected.The curtain coiling variable speed assembly of the present invention includes axial parallel first reel, second reel and a shrapnel spool, the both ends of one variable-speed rope are respectively and fixedly connected in first reel and second reel, which connects the shrapnel spool；It is at least one to determine torsion shrapnel by the affixed shrapnel spool of a binding end, one end at the axle center of the shrapnel spool is equipped with to drive one of shrapnel spool rotation to turn portion, this, which determines torsion shrapnel, has a pre-roll portion of the adjacent binding end, which is furled on the shrapnel spool.

Description

Curtain coiling variable speed assembly

Technical field

The present invention relates to a kind of components of curtain, especially a kind of that blade of louver window lifting can be manipulated in a manner of relatively labor-saving Curtain coiling variable speed assembly.

Background technology

Please refer to Fig. 1, a kind of tool of existing blind system 9 sets that there are one shafts 92 there are one upper rail 91 in the upper rail 91 And several spools 93, which concatenates several spools 93, and can interlock 93 synchronous rotary of several spools, the axis One end of bar 92 connects a curtain coiling variable speed assembly 94.

Fig. 2 a are please referred to, there are two line wheel 941,942, two line wheels 941,942 for the curtain coiling variable speed assembly 94 tool It is tapered and be respectively provided with an opposite bigger diameter end and a miner diameter end, the axial direction of two line wheels 941,942 it is parallel and In oppositely arranged, make the bigger diameter end of the line wheel 941 to the miner diameter end positioned at the line wheel 942, the miner diameter end of the line wheel 941 then aligns In the bigger diameter end of the line wheel 942.Wherein, which is also equipped with one respectively at outer circumferential surface and connects from bigger diameter end It renews and extends to the spiral grooves of miner diameter end, to wind a variable-speed rope 943 jointly.

Fig. 2 b are please referred to, which further includes a shrapnel wheel 944 and at least one determine torsion bullet Piece 945, this determines affixed shrapnel wheel 944 in one end of torsion shrapnel 945, which connects the line wheel 941, make the shrapnel Wheel 944 can determine torsion shrapnel 945 with 941 synchronous rotary of line wheel to furl or discharge this.

U.S. Publication the 6283192nd is had been disclosed in similar to an embodiment of above-mentioned existing curtain coiling variable speed assembly 94 Number《Flat spring drive system and window cover》In Patent Case.

Referring again to Fig. 1, which also has the several blades 95 for being located at 91 lower section of upper rail and one Lower rail 96, several blades 95 are concatenated jointly by several cotton ropes R, several cotton ropes R connects corresponding spool by one end respectively 93, the other end is then fixed in the lower rail 96.Accordingly, user can the support lower rail 96 upwards, control several blades 95 rising To be in receive the kenel that changes；Or the lower rail 96 is pulled down, it controls the variable-speed rope 943 and furls and release between two line wheels 941,942 The relative travel put, arranging in pairs or groups, this determines the elastic force that torsion shrapnel 945 is discharged, and several blades are concatenated to balance several cotton ropes R Strength needed for 95.

However, please coordinate with reference to Fig. 2 b, Fig. 3, according to the characteristic for determining torsion shrapnel 945, elastic force is in winding turnning circle It is poor in the state of very few, expected elastic force could be provided after need to winding up to predetermined turnning circle.Therefore, the existing curtain system System 9 after completing to assemble, not yet on the shrapnel wheel 944 winding rotation a few determine torsion shrapnel 945, what is provided is initial Elastic force is not sufficient to support several cotton ropes R to concatenate the strength needed for several blades 95, therefore several blades 95 and the lower rail 96 will activate the curtain coiling variable speed assembly 94, be wound on the shrapnel wheel 944 up to predetermined rotation until this determines torsion shrapnel 945 The number of turns concatenates strength needed for several blades 95 to balance several cotton ropes R.At this point, the existing blind system 9 will present As shown in Figure 1, the state of partial blade 95 can not be tightened, and two line wheels 941,942 of the curtain coiling variable speed assembly 94 Can be as shown in Figure 2 a, it enables variable-speed rope 943 be discharged from the miner diameter end of the line wheel 941 and furls to the bigger diameter end of the line wheel 942.

Fig. 4 is please referred to, for this purpose, current solution is all by assembler the 96 upward support of lower rail, until should Several blades 95 are tightened between the upper rail 91 and the lower rail 96, then several cotton ropes R are hung down more below the lower rail 96 Remaining part position is tied up, and the existing blind system 9 is made at least to seem in appearance in the state completely folded.But this The appearance work that action can only be directed to the existing blind system 9 improves, and can not be restored to the curtain coiling variable speed assembly 94 Variable-speed rope 943 is not wound to the state (as shown in Figure 2 a) of the bigger diameter end of the line wheel 942.Therefore, please coordinate reference Fig. 3 again, when Curtain length is shorter (it is in receive the kenel that changes that more multiple-blade 95, which overlaps), and the weight of curtain is bigger, i.e. the curtain coiling variable speed assembly The force spent needed for 94 is bigger, and the bigger diameter end of the line wheel 942 has just been wound with variable-speed rope 943 in the initial state, will cause The space that the line wheel 942 can furl variable-speed rope 943 tails off, so that the efficiency of the curtain coiling variable speed assembly 94 is not as expected.

In view of this, existing curtain coiling variable speed assembly is really it is still necessary to improved.

Invention content

The present invention provides a kind of curtain coiling variable speed assembly, when being completed, can make not being directly connected to shrapnel spool Reel maintenance does not wind variable-speed rope.

The curtain coiling variable speed assembly of the present invention, including axial parallel first reel, second reel And a shrapnel spool, first reel and second reel it is tapered and be respectively provided with an opposite bigger diameter end and One miner diameter end, first reel and second reel are in oppositely arranged, and the both ends of a variable-speed rope are respectively and fixedly connected to this The bigger diameter end of the bigger diameter end of first reel and second reel, first reel connect the shrapnel spool；It is at least one Torsion shrapnel is determined by the affixed shrapnel spool of a binding end, and one end at the axle center of the shrapnel spool is equipped with to drive the bullet One of scroll attachment rotation turns portion, this, which determines torsion shrapnel, has a pre-roll portion of the adjacent binding end, which is rolled up It is received on the shrapnel spool.

Wherein, the variable-speed rope is all wound on the outer shroud of first reel from the bigger diameter end of first reel to miner diameter end On face, the outer circumferential surface of second reel is not wound by the variable-speed rope.

Accordingly, curtain coiling variable speed assembly of the invention can drive the shrapnel spool in assembling by the portion of turning Rotation, enables to determine torsion shrapnel directly to provide expected elastic force, then first reel is connected the shrapnel spool, therefore group installs Cheng Hou, which, which is able to maintain that on its outer circumferential surface, does not wind variable-speed rope, therefore can furl speed change on second reel It just tails off under the original state that the space of rope will not be after finishing assembly, it is ensured that curtain coiling variable speed assembly of the invention is using When can give full play to its furl efficiency.

Wherein, which sets at neighbouring bigger diameter end there are one linkage part, which turns equipped with this A linkage part is arranged in the same end in portion, and the linkage part of first reel connects the linkage part of the shrapnel spool, makes the shrapnel Spool and first reel can mutually interlock rotation, smooth degree when can mutually interlock between lifting member.

Wherein, it can be an inner polygon hole that this, which turns portion, for being inserted into the spanner to match to drive the shrapnel spool Rotation, and ensures in rotation process, between spanner and the shrapnel spool will not relative rotation, enable smooth turn of the shrapnel spool It is dynamic.

Wherein, it can be a Hexagon hole that this, which turns portion, can be by handy die nut easily for user Ground drives the shrapnel spool to rotate, and helps promotion operation ease.

Wherein, one turns to linkage unit and connects a linkage part of second reel, the curtain coiling variable speed assembly by The steering linkage unit connects a rotation axis, which is serially connected with several spools, and respectively the axial direction of the spool is orthogonal to this The axial direction of shrapnel spool enables upper rail to be set as thinner kenel, will not occupy excessive assembling space.

Description of the drawings

Fig. 1：A kind of structural schematic diagram when existing blind system just assembles.

Fig. 2 a：A kind of structural schematic diagram of two line wheels of existing curtain coiling variable speed assembly.

Fig. 2 b：A kind of overlooking structure diagram of existing curtain coiling variable speed assembly.

Fig. 3：Determine torsion shrapnel and turnning circle relation schematic diagram (on)；And the relation schematic diagram of curtain length and weight (under).

Fig. 4：A kind of existing blind system adjusts the structural schematic diagram after cotton rope length.

Fig. 5：One embodiment of the invention dimensional decomposition structure diagram.

Fig. 6：First reel of one embodiment of the invention, the initial configuration schematic diagram of the second reel and shrapnel spool.

Fig. 7：One embodiment of the invention adjusts the structural schematic diagram for supplying the first reel to connect again after shrapnel spool.

Fig. 8：One embodiment of the invention be completed after overlooking structure diagram.

Fig. 9：One embodiment of the invention uses the structural schematic diagram in blind system.

Reference sign

﹝ this Fa Ming ﹞

1 first reel 1a bigger diameter ends

11 first linkage part of 1b miner diameter ends

2 second reel 2a bigger diameter ends

21 second linkage part of 2b miner diameter ends

3 shrapnel spools 31 turn portion

32 third linkage parts

4 variable-speed ropes

5 determine 51 binding end of torsion shrapnel

52 pre-roll portions

6 shell block, 61 ontology

62 first lids 63 second cover

7 turn to linkage unit

A rotation axis B blades

T1 upper rail T2 lower rails

W spools

﹝ Xian You Ji Shu ﹞

9 blind system, 91 upper rail

92 shaft, 93 spool

94 curtain coiling variable speed assembly, 941 line wheel

942 line wheel, 943 variable-speed rope

944 shrapnel wheels 945 determine torsion shrapnel

95 blade, 96 lower rail

R cotton ropes.

Specific implementation mode

For above and other objects, features and advantages of the invention can be clearer and more comprehensible, the present invention's cited below particularly is excellent Embodiment is selected, and coordinates attached drawing, is described in detail below：

Fig. 5, Fig. 6 are please referred to, is an embodiment of curtain coiling variable speed assembly of the present invention, the curtain coiling variable speed assembly Generally include axial parallel 1, second reel 2 of first reel and a shrapnel spool 3.

Specifically, first reel 1 is tapered and have opposite a bigger diameter end 1a and a miner diameter end 1b, this Two reels 2 it is also tapered and have opposite a bigger diameter end 2a and a miner diameter end 2b, first reel 1 with this second Reel 2 makes the bigger diameter end 1a of first reel 1 to the miner diameter end 2b positioned at second reel 2 in oppositely arranged, this The miner diameter end 1b of one reel 1 is then to the bigger diameter end 2a positioned at second reel 2.

The both ends of one variable-speed rope 4 be respectively and fixedly connected to first reel 1 bigger diameter end 1a and second reel 2 it is big Diameter end 2a.In a pre-installation, can by the variable-speed rope 4 from the bigger diameter end 1a of first reel 1 to miner diameter end 1b wound on this first On the outer circumferential surface of reel 1, the outer circumferential surface of second reel 2 is made not wound by the variable-speed rope 4.

Wherein, the outer circumferential surface of first reel 1 and second reel 2 can be respectively equipped with one from bigger diameter end 1a, 2a continuously extends to the spiral grooves of miner diameter end 1b, 2b；Or as shown, several be mutually parallel is equipped in outer circumferential surface respectively Groove, and several grooves are respectively provided with different ring perimeters, to increase by 4 length of variable-speed rope that can be furled.In addition, this reality The first linkage part 11 there are one selecting to set at the bigger diameter end 1a of neighbouring first reel 1 in example is applied, to connect the shrapnel Spool 3；Second linkage part 21 there are one then being set at the miner diameter end 2b of neighbouring second reel 2.

The shrapnel spool 3 is to furl and discharge at least one component for determining torsion shrapnel 5, this determines torsion shrapnel 5 Quantity can increase and decrease according to use demand, and it is respectively that a binding end 51 is affixed that torsion shrapnel 5 is determined in the present embodiment attached drawing drafting two To the shrapnel spool 3, but not limited to this；This, which determines torsion shrapnel 5, has a pre-roll portion 52 of the adjacent binding end 51, this is pre- When volume portion 52 is all furled to the shrapnel spool 3, this, which determines torsion shrapnel 5, can provide ideal work elastic force (i.e. into Fig. 3 Top approaches gentle curve ranges).One end at 3 axle center of shrapnel spool is set there are one portion 31 is turned, and enables user that can borrow It helps this to turn portion 31 and directly drives the shrapnel spool 3 rotation.Such as but without limitation, it can be polygon in one that this, which turns portion 31, Shape hole for being inserted into the spanner to match to drive the shrapnel spool 3 to rotate, and ensures in rotation process that spanner is rolled up with the shrapnel Between axis 3 will not relative rotation, enable the 3 smooth rotation of shrapnel spool；In particular, it is preferably an interior hexagonal that this, which turns portion 31, Hole, to drive the shrapnel spool 3 to rotate by die nut, and die nut is light and handy, easy to operate and relatively easy acquirement, helps and carries Rise convenience when assembled.In other embodiments, this turns portion 31 and can also be a knob, for user without going through work Tool, which can be operated directly, drives the shrapnel spool 3 rotation.

In addition, a third linkage part 32, the third is arranged in the same end for turning portion 31 equipped with this in the present embodiment selection Linkage part 32 can directly or indirectly connect the first linkage part 11 of first reel 1, make the shrapnel spool 3 with this first Reel 1 can mutually interlock rotation.For example, the first linkage part 11 and the third of the shrapnel spool 3 of first reel 1 interlock Portion 32 can be can pitch wheel structure；Alternatively, can also be the second linkage part 21 such as second reel 2, The structure etc. that the by of putting interlocks mutually is intervolved by cotton rope, the present invention is not limited thereto.

According to by above structure, when assembling, can the shrapnel spool 3 and this two first be determined into torsion shrapnel 5 and be placed into one Precalculated position in one ontology 61 of shell block 6, and cover one first lid 62 of the shell block 6.At this point, respectively this determines torsion shrapnel 5 only The shrapnel spool 3 is fixed in by its binding end 51, respectively the pre-roll portion 52 for determining torsion shrapnel 5 is not yet furled to the shrapnel spool On 3, or a portion in the pre-roll portion 52 is only furled, therefore respectively this is determined torsion shrapnel 5 and also fails to provide expected elastic force.

Fig. 5, Fig. 7 are please referred to, continues and passes through first lid 62 using tool, and driven by the portion 31 that turns of the shrapnel spool 3 The shrapnel spool 3 rotate, enable respectively the pre-roll portion 52 for determine torsion shrapnel 5 all furled on the shrapnel spool 3, present respectively This is determined torsion shrapnel 5 and is wound with a few kenel on the shrapnel spool 3, and expection can be provided by making this two to determine torsion shrapnel 5 Elastic force.Then, first reel 1 and second reel 2 are placed into the precalculated position in the shell block 6, and make this First linkage part 11 of the first reel 1 connects the third linkage part 32 of the shrapnel spool 3, enables first reel 1 and the bullet Scroll attachment 3 can interlock mutually rotation, and smooth degree when can mutually interlock between lifting member.

Fig. 5, Fig. 8 are please referred to, finally a steering linkage unit 7 is placed in the shell block 6 and connects second reel 2 The second linkage part 21, then cover one second lid 63 of the shell block 6, you can complete the assembling of the curtain coiling variable speed assembly.

Therefore, curtain coiling variable speed assembly of the invention can turn portion 31 by this in assembling and drive shrapnel volume Axis 3 rotates, and enables this two to determine torsion shrapnel 5 and directly provides expected elastic force, then by first reel 1 and second spiral Wheel 2 is assembled into the shell block 6, and connects the shrapnel spool 3 by first reel 1, therefore the curtain coiling speed change group of the present invention After finishing assembly, which can provide enough elastic force to support several blade B of whole blind system (such as to part Shown in Fig. 9), so that several blade B is tightened between upper rail T1 and lower rail T2, it is not necessary to which additional adjustment concatenates several leaves again The length of the cotton rope R of piece B helps and promotes packaging efficiency and operation ease.

Importantly, as shown in fig. 7, the present invention curtain coiling variable speed assembly when being completed, can make this second Reel 2 maintains not winding the kenel of variable-speed rope 4 on its outer circumferential surface, therefore the sky of variable-speed rope 4 can be furled on second reel 2 Between will not be after finishing assembly original state under just tail off, therefore in use, the present invention curtain coiling variable speed assembly will be able to It gives full play to it and furls efficiency.

In addition, please referring to Fig. 5, Fig. 9, which can be connected a rotation by the steering linkage unit 7 Axis A, rotation axis A are serially connected with several spool W, and respectively the axial direction of spool W is orthogonal to the axial direction of the shrapnel spool 3, therefore should Several spool W can relatively to save the cotton rope R that kenel retracting in space-efficient concatenates several blade B, enable upper rail T1 be set as compared with Thin kenel will not occupy excessive assembling space.

Claims

1. a kind of curtain coiling variable speed assembly, including axial parallel first reel, second reel and one Shrapnel spool, first reel and second reel are tapered and be respectively provided with an opposite bigger diameter end and one small Diameter end, first reel and second reel are in oppositely arranged, and the both ends of a variable-speed rope are respectively and fixedly connected to the first volume The bigger diameter end of the bigger diameter end of line wheel and second reel, first reel connect the shrapnel spool；It is characterized in that：At least One is determined torsion shrapnel by the affixed shrapnel spool of a binding end, and it is pre- that this determines one with the adjacent binding end, torsion shrapnel Volume portion, the pre-roll portion are furled on the shrapnel spool, and one end at the axle center of the shrapnel spool is equipped with to drive the shrapnel One of spool rotation turns portion, which is arranged a linkage part, the first volume in the same end for turning portion equipped with this Line wheel is set at neighbouring bigger diameter end there are one linkage part, and the linkage part of first reel connects the linkage part of the shrapnel spool, The shrapnel spool can mutually interlock rotation with first reel.

2. curtain coiling variable speed assembly as described in claim 1, it is characterised in that：Wherein, the variable-speed rope is from first spiral The bigger diameter end of wheel is to miner diameter end on the outer circumferential surface of first reel, and the outer circumferential surface of second reel is not by this Variable-speed rope is wound.

3. curtain coiling variable speed assembly as claimed in claim 1 or 2, it is characterised in that：Wherein, which is more in one Side shape hole.

4. curtain coiling variable speed assembly as claimed in claim 3, it is characterised in that：Wherein, which is an interior hexagonal Hole.

5. curtain coiling variable speed assembly as claimed in claim 1 or 2, it is characterised in that：Wherein, second reel is neighbouring It is set at miner diameter end there are one linkage part, which connects a steering linkage unit, and the curtain coiling variable speed assembly is by this turn A rotation axis is connected to linkage unit, which is serially connected with several spools, and respectively the axial direction of the spool is orthogonal to the shrapnel The axial direction of spool.