CN107165568A

CN107165568A - The curtain transmission mechanism of curtain without stretching wire

Info

Publication number: CN107165568A
Application number: CN201610127152.7A
Authority: CN
Inventors: 陈柏宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-07
Filing date: 2016-03-07
Publication date: 2017-09-15
Anticipated expiration: 2036-03-07
Also published as: CN107165568B

Abstract

The invention provides a kind of curtain transmission mechanism of curtain without stretching wire, including a retracting unit, a guide unit, and two drawstrings, furling unit has the wind spring of two wind spring wheels and two wind spring wheels of connection, each one bull wheel of wind spring wheel bridle joint, bull wheel is driven and synchronous axial system by retracting unit, guide unit is adjacent to a bull wheel and has rotatable one first roller respectively respectively, drawstring is rotating around located at the first roller, and, one end of drawstring is connected to bull wheel, and the other end of drawstring is located at outside pedestal.Therefore, bull wheel is wound in by the rotation of bull wheel or from during bull wheel is discharged in drawstring, using the rotation of the first roller, the stability and smooth degree of overall transmission process can be increased.

Description

The curtain transmission mechanism of curtain without stretching wire

Technical field

The present invention is relevant with curtain without stretching wire, particularly relates to a kind of curtain driver of curtain without stretching wire Structure.

Background technology

General curtain can divide into dragline type and non-dragline type, so-called dragline type window in structure Curtain mainly drives the change in terms of curtain generation height using a drawstring, to reach expansion and fold Effect, and Non-pull-cord type curtain is then to impose the strength for above pushing away or pulling down to underbeam using hand, is allowed Curtain can be deployed or fold.

No. 263877 patent is announced in Taiwan and No. 322458 patent is announced respectively to drive in Taiwan The transmission mechanism of dynamic curtain lifting is improved, but both of the aforesaid patent still can not after improvement Structure complexity is effectively reduced, while can not also be supplied to curtain to be preferably driven effect.

The content of the invention

It is a primary object of the present invention to provide a kind of curtain transmission mechanism of curtain without stretching wire, it can letter Change structure and good transmission effect is provided.

In order to reach above-mentioned purpose, curtain transmission mechanism provided by the present invention includes a pedestal, a roll Receive unit, two bull wheels, two guide units, and two drawstrings.The retracting unit has two wind spring wheels And a wind spring, the two wind springs wheel be rotatably arranged in the pedestal and mutual bridle joint together, the wind spring connects Connect the two wind springs wheel and be selectively wound in the wherein one wind spring wheel；The bull wheel is rotatably arranged in The pedestal and respectively the wind spring wheel of bridle joint one so that the bull wheel is driven and synchronization by the retracting unit Rotate；The guide unit is adjacent to the bull wheel and with one first roller, and first roller can turn The pedestal is located at dynamicly, moreover, the axial direction for being axially parallel to the wind spring wheel of first roller and the drawing The axial direction of rope sheave；The drawstring is set around first roller, and one end of two drawstring is connected to the drawing Rope sheave and the bull wheel can be wound in by the rotation of the bull wheel or is discharged from the bull wheel, The other end of two drawstring is located at outside the pedestal, to connect a underbeam.

From the foregoing, during expansion one connects the curtain of the underbeam, the drawstring passes through under this The pulling of beam and drive the bull wheel rotate, then the drawing wheel rope can drive the wind spring wheel with its phase bridle joint Rotate together, the wind spring is accumulated elastic-restoring force by the rotation of the two wind springs wheel, until should Curtain discharges the pulling force to underbeam again after being fully deployed, when curtain to be folded, by the underbeam Thrust and the wind spring elastic-restoring force, the wind spring wheel can be driven together with the bull wheel of its phase bridle joint Rotate, the drawstring is gradually wound in the bull wheel, discharged again after the curtain is folded completely To the thrust of underbeam.No matter but during deploying or folding, using the rotation of the guide unit, The drawstring can be stablized and swimmingly start, make that during integrated operation good transmission effect can be reached Really.

Brief description of the drawings

Fig. 1 is stereoscopic figure of the invention.

Fig. 2 is sectional perspective exploded view of the invention.

Fig. 3 is the partial top view of the present invention, the main roller of display drawstring winding first, second.

Fig. 4 is analogous to Fig. 3, and main display drawstring is set around the first roller.

Fig. 5 is analogous to Fig. 3, and main display drawstring is set around first, second and third roller.

Fig. 6 coordinates the plan that curtain is used, the state of main display expansion curtain for the present invention.

Fig. 7 is analogous to Fig. 6, and main display folds the state of curtain.

Description of reference numerals

The upper beam of 10 curtain transmission mechanism 12

The curtain of 14 underbeam 16

The bottom plate of 20 pedestal 21

22 top plates 23 are open

24 cross-baves 30 furl unit

The wind spring of 32 wind spring wheel 34

The bull wheel of 36 first wheel shaft 40

The guide unit of 42 second wheel shaft 50

The roller of 51 first roller 52 second

The shaft member of 53 the 3rd roller 54 first

The shaft member of 55 second shaft member 56 the 3rd

60 drawstrings

Embodiment

For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific reality Example is applied, and referring to the drawings, the present invention is described in more detail.

Please referring initially to Fig. 1 and Fig. 2, curtain transmission mechanism 10 of the invention includes a pedestal 20, one Furl unit 30, two bull wheels 40, two guide units 50, and two drawstrings 60.

Pedestal 20 is used to be installed in a upper beam 12 and is covered on bottom plate 21 with a bottom plate 21 and one Top plate 22, in addition, there is an opening 23 to be located at opening 23 with one respectively at the two ends of pedestal 20 Cross-bar 24, cross-bar 24 is fixed between top, bottom plate 21,22, moreover, cross-bar 24 Center corresponds to the center of opening 23.

Furling unit 30 has two wind spring wheels 32 and a wind spring 34, and the two wind springs wheel 32 passes through respectively One first wheel shaft 36 be hubbed at pedestal 20 and mutually bridle joint together, wind spring 34 connect two wind spring Take turns 32 and one of wind spring wheel 32 can be wound in by the relative rotation of the two wind springs wheel 32.

Bull wheel 40 is hubbed at pedestal 20 and respectively one wind spring wheel of bridle joint by one second wheel shaft 42 32 so that bull wheel 40 can be driven and synchronous axial system by the wind spring wheel 32 with its phase bridle joint.

Guide unit 50 is adjacent to bull wheel 40 and with one first roller 51, one second roller 52, And one the 3rd roller 53, the first roller 51 is hubbed at pedestal 20 and position by one first shaft member 54 In a front side edge of pedestal 20, the second roller 52 by one second shaft member 55 be hubbed at pedestal 20 and Positioned at a back side edge of pedestal 20, the 3rd roller 53 is hubbed at pedestal 20 by one the 3rd shaft member 56 And be arranged side by side with the second roller 52.First, second and third roller 51,52,53 is by moulding Expect made by material.

Bull wheel 40 is fixed in one end of drawstring 60 so that drawstring 60 can turning by bull wheel 40 Move and be wound in bull wheel 40 or discharged from bull wheel 40.Drawstring 60 is passing through guide unit There can be different windings according to the different sizes of curtain when 50, if coordinate small size curtain to use When, as shown in figure 3, drawstring 60 can be with opening from pedestal 20 after the circle of the first roller of winding 51 1 Mouth 23 is passed to link together outside pedestal 20 with a underbeam 14, if coordinate large scale curtain to use When, as shown in figure 5, drawstring 60 is first set around the half-turn of the first roller 51 and the second rolling with reverse manner After the half-turn of post 52, enclosed further around located at the 3rd roller 53 1, finally again from the opening 23 of pedestal 20 Pass outside pedestal 20, if coordinate stock size curtain in use, as shown in figure 4, drawstring 60 then It is that can be set around with reverse manner after the half-turn of the first roller 51 and the half-turn of the second roller 52, then by The opening 23 of pedestal 20 is passed outside pedestal 20.No matter but which kind of winding, drawstring 60 passing through base It can be pressed against during the opening 23 of seat 20 at the center of the cross-bar 24 of pedestal 20, to increase work Dynamic stability.

From said structure, when to deploy a curtain 16 between upper and lower beam 12,14, Force pulled down underbeam 14, makes drawstring 60 drive bull wheel by the pulling of underbeam 14 first 40 rotate, and then can drive the wind spring wheel 32 with its phase bridle joint during bull wheel 40 is rotated Rotate together, wind spring 34 is accumulated elastic-restoring force by the relative rotation of two wind spring wheels 32, Discharge the weight of the pulling force, now underbeam 14 to underbeam 14 again after curtain 16 is fully deployed Amount allows curtain 16 to be maintained at the state of expansion with standing balance can be presented between the elastic force of wind spring 34.

When curtain 16 to be folded, user needs force to push up underbeam 14, the bullet of wind spring 34 Property restoring force be just enough to drive two wind spring wheels 32 simultaneously reversely to turn by the thrust auxiliary of user Dynamic, wind spring wheel 32 can drive the bull wheel 40 with its phase bridle joint to rotate when during rotating backward, Then bull wheel 40 will start to furl drawstring 60 when rotating, when curtain 16 is folded completely, User discharges the thrust for bestowing underbeam 14 again, now the weight of underbeam 14 and the elastic force of wind spring 34 Between standing balance will be presented once again, curtain 16 is maintained at the state folded.

No matter during deploying curtain 16 or folding curtain 16, by drawstring in guide unit 50 60 rollers 51,52,53 wound can by the frictional force between drawstring 60 and then drawstring 60 start is rotated, and can so be increased drawstring 60 stability and smooth degree of start, be made Good transmission effect can be reached during integrated operation.

Particular embodiments described above, is carried out to the purpose of the present invention, technical scheme and beneficial effect Be further described, should be understood that the specific embodiment that the foregoing is only of the invention and , it is not intended to limit the invention, within the spirit and principles of the invention, that is done any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims

1. a kind of curtain transmission mechanism of curtain without stretching wire, it is characterised in that including：

One pedestal；

One retracting unit, with two wind spring wheels and a wind spring, the two wind springs wheel is rotatably arranged in the base Together, the wind spring connects the two wind springs wheel and is selectively wound in wherein one should for seat and mutually bridle joint Wind spring wheel；

Two bull wheels, two bull wheel is rotatably arranged in the pedestal and respectively the wind spring wheel of bridle joint one；

Two guide units, are adjacent to the bull wheel and have one to be rotatably arranged in the base respectively respectively First roller of seat, the axial direction for being axially parallel to the wind spring wheel of first roller and the axle of the bull wheel To；And

Two drawstrings, the drawstring is connected to rotating around located at one end of first roller, two drawstring Take turns and the bull wheel can be wound in by the rotation of the bull wheel or is discharged from the bull wheel, should The other end of two drawstrings is located at outside the pedestal.

2. the curtain transmission mechanism of curtain without stretching wire according to claim 1, it is characterised in that The pedestal has a first side, and first roller is located at the first side of the pedestal, the drawstring winding Enclosed in first roller one.

3. the curtain transmission mechanism of curtain without stretching wire according to claim 1, it is characterised in that Respectively the guide unit also have one second roller, second roller be rotatably arranged in the pedestal and with this First roller respectively be located at the pedestal two opposite sides side, the drawstring be set around the first roller half-turn and It is set around the second roller half-turn.

4. the curtain transmission mechanism of curtain without stretching wire according to claim 1, it is characterised in that Respectively the guide unit also has one second roller and one the 3rd roller, and second, third roller can turn respectively Two dynamicly and mutually abreast located at the pedestal and with first roller respectively positioned at the pedestal are relative Side, the drawstring is set around the first roller half-turn and is set around the second roller half-turn and is set around this 3rd roller one is enclosed.

5. the curtain transmission mechanism of curtain without stretching wire according to claim 1, it is characterised in that The two ends of the pedestal have an opening and a cross-bar for being located at the opening, the center of the cross-bar respectively Corresponding to the center of the opening, the drawstring is pressed against and is stretched out via the opening by the center of the cross-bar Outside the pedestal.