A kind of telescopic curtain of casement
Technical field:
The present invention relates to a kind of curtain technology.
Background technology:
The existing telescopic curtain of casement, its curtain are in organ shape, during opening, toward drop-down casement, deploy organ, this
Sample, casement come with regard to spread apart, window are blocked, lifted, shrinks organ, casement is just folded up, and casement is received
Get up, window turns on.After such a curtain is, it is necessary to which casement spread apart is next, in the presence of no external force, it can keep easypro
Exhibition, and after casement is folded up, in the presence of no external force, and can maintains folded state.Prior art is using drawing
Restrict the mode of driving, rope drum is driven by drawstring, rope drum is discharged or the mode of retracting rope, to discharge or up
Draw casement.Due to there is the presence of drawstring, easily occur when child plays drawstring unexpected(As drawstring is hung on neck), and
And drawstring driving structure is complicated.
The content of the invention:
The goal of the invention of the present invention is to provide a kind of without needing the telescopic window of casement that drawstring drives, simple in construction
Curtain.
The present invention is achieved in that including support, at least two rope drums being rotatably arranged on support, is arranged on branch
At least one constant force rebounding mechanism on frame, wear it is being connected on rope drum and constant force rebounding mechanism and with rope drum, constant force resilience
The axle of mechanism linkage, the curtain folded, the top of the curtain of folding are directly or indirectly connected on support, the drawstring of rope drum
Movable end it is sidelong and through vertical down through being fastened on after the curtain folded after the guide frame below rope drum
The bottom of the curtain of folding, constant force rebounding mechanism include framework, the active reel being rotatably arranged in framework, by movable reel, bullet
Reed is rolled up(Clockwork spring), active reel, by movable reel it is parallel to each other and can be freely rotated, spring leaf is rolled up on by movable reel,
The movable end of spring leaf volume is fixed on active reel, and axle, which is worn, to be connected on active reel and linked with active reel.
In use, with the bottom of the hand down curtain of bilateral pulled foldable, due to folding curtain expansion when be almost there is no resistance
, if the pulling force of hand overcome rope drum discharge serving when resistance and constant force rebounding mechanism screen resilience with regard to folding can be made
Curtain deploys, and after expansion, resistance sum when furling serving due to the gravity and rope drum of the curtain of folding is returned more than constant force
The screen resilience of mechanism is played, meanwhile, the gravity of the curtain of folding is less than resistance, constant force rebounding mechanism when rope drum discharges serving again
Screen resilience sum, due to constant force rebounding mechanism screen resilience and rope drum discharge serving when resistance, rope drum retracting serving
When resistance be invariable, and the gravity of the curtain folded can be by increasing or reducing the curtain of folding(Such as folding
Curtain bottom connection counterweight)Weight adjust, it is thereby achieved that above-mentioned various gravity, resistance and screen resilience
Size requirements so, the curtain of folding be deployed in no external force in the presence of be transfixion, maintain deployed condition, and when using hand
The curtain folded is held up, resistance during rope drum retracting serving is much larger than due to the screen resilience of constant force rebounding mechanism, therefore, in perseverance
In the presence of the screen resilience of power rebounding mechanism, the curtain of folding is just folded up, and the curtain folding storage of folding is got up, when removing
After pin human hand lifts power, the curtain of folding maintains the state constant.
The action principle of constant force rebounding mechanism is rolled up using spring leaf(Clockwork spring)After expansion during backrush, backrush power it is constant,
Spring leaf is rolled up(Clockwork spring)With free state on by movable reel, the movable end of spring leaf volume is fixed on active reel,
When the curtain expansion of folding, active spool turns are driven by axle, the spring leaf that spring leaf is rolled up is rewound on active reel,
Due to main spring leaf volume spring leaf be wound on active reel when, around to spring leaf roll up itself around on the contrary, in spring leaf
Roll recovery it is original around to screen resilience in the presence of, be provided with constant force rebounding mechanism and drive the constant of active reel backrush to return
Elastic force.
The movable end of the drawstring of rope drum is through the guide frame immediately below rope drum, so, sidelong guiding during drawstring
Mechanism, so, in the presence of constant force rebounding mechanism screen resilience and casement own wt, drawstring is abutted against guiding mechanism
On, so as to generate frictional resistance, because constant force rebounding mechanism screen resilience and casement own wt are constant, therefore, it is somebody's turn to do
Frictional resistance is also substantially invariable.
The curtain of folding is sun blind or corrugated folds curtain, and the curtain that corrugated folds includes papery or spinning
The casement body of the corrugated of matter of weaving cotton cloth or plastics matter folding, the type for being connected to the casement body bottom that corrugated folds
Material framework.Using section material framework, it is convenient to counterweight is set in section material framework, the weight of the curtain folded with regulation, meanwhile,
It is also convenient for the curtain that user was pulled or lifted folding by section material framework.
Here, the smooth leading truck in surface is provided with rope drum in the top of guide groove.The effect one of leading truck
To increase the gradient before drawstring imports guide frame, to increase frictional resistance, meanwhile, make drawstring can before importing guide frame
Close to rope drum, with ensure drawstring one enclose then one enclose the land in an orderly manner on rope drum without wiring below around
On wiring above, to ensure acting freely for wiring.
A pair of gear cavities for carrying axis hole are provided with the biside plate of the framework of constant force rebounding mechanism, on a pair of gear cavities
A pair of intermeshing gears with rotating shaft are provided with, the axis of rotation of gear, which is worn, to be connected on axis hole, and active reel is connected to
Wherein on a gear, passive spool turns are connected on another gear.During work, because the spring leaf of spring leaf volume is rewound in master
On movable reel, so, the rotation direction of the rotation direction of active reel and spring leaf volume on the contrary, under the transmission of a pair of gears,
It is identical with the rotation direction that spring leaf is rolled up by the rotation direction of movable reel, spring leaf volume is rotated in the case of unresisted, protect
Demonstrate,prove the constant of screen resilience.
Here, rope drum is arranged on rope drum framework, front and rear on the two side of rope drum framework to be provided with symmetrical two
Axis hole, rope drum by the axle at both ends be rotatably arranged on rope drum frame side wall wherein on an axis hole, guiding mechanism set
On rope drum framework, support includes aluminium of the bottom with slit wears groove and closes pipe profile, rope drum framework with rope drum and
Constant force rebounding mechanism be arranged on aluminium close pipe profile in, through slit wears groove drawstring be connected to folding curtain lower end with volume
First rope drum framework of rope roll has two or more, is worn by axle and is connected together and joins with the rope drum on the first rope drum framework
The first dynamic constant force rebounding mechanism has more than one, and drawstring is connected to the curtain upper end of folding and fixed with the curtain upper end of folding
Connection the second rope drum framework with rope drum have two or more, worn by axle be connected together and with the second rope drum framework
On rope drum linkage the second constant force rebounding mechanism have more than one.
So, in use, with the curtain lower end of hand down bilateral pulled foldable, the curtain expansion of folding, when the curtain of folding deploys
The window first half is covered during half, will all be covered on window when the curtain of folding is fully deployed, down the window of bilateral pulled foldable
Curtain upper end, when the curtain of folding is shunk half from top to bottom, the window first half is opened, and lower half is also in the screening of casement
Under lid.So, just make curtain that there is the function of covering window different parts.
Using rope drum Frame Design and the framework and spool designs of constant force rebounding mechanism with symmetrical two axis hole,
The wherein axle for making the active reel of rope drum and a wherein constant force rebounding mechanism of the drive wherein on a rope drum framework link
Can symmetrically not interfere with each other by movable reel through the axis hole on another rope drum framework and another constant force rebounding mechanism, so as to
Realize the effect of above-mentioned covering window any part.
The present invention compared with the prior art, have without need drawstring drive, it is simple in construction the advantages of.
Brief description of the drawings:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of rope drum part;
Fig. 3 is Fig. 2 lateral plan;
Fig. 4 is Fig. 2 A-A sectional views;
Fig. 5 is the configuration schematic diagram of constant force rebounding mechanism
Fig. 6 is Fig. 5 B-B sectional views;
Fig. 7 is the use state figure of the embodiment of the present invention 1;
Fig. 8 is the use state figure of the embodiment of the present invention 2;
Fig. 9 is the section view of organ shape casement;
Figure 10 is the partial enlarged drawing of the guide frame embodiment 2 of rope drum part;
The C direction views of Figure 11 bitmaps 10.
Embodiment:
The present invention is described in further detail in conjunction with drawings and examples:
As shown in figure 1, the present invention includes support 1, at least two rope drums 2 being rotatably arranged on support 1, is arranged on support 1
On at least one constant force rebounding mechanism a, wear and be connected on the non-circular hole 2b of rope drum 2(It is such as square)And on constant force rebounding mechanism a
And axle 3, the curtain 4 of folding to be linked with rope drum 2, constant force rebounding mechanism a, the curtain 4 of folding is sun blind or ripple
Shape folds curtain, corrugated fold curtain 4 include papery either weave cloth or plastics matter corrugated folding casement
Body, the section material framework 5 for being connected to the casement body bottom that corrugated folds, the top of the curtain 4 of folding are direct(As Fig. 1,
Shown in 7)Or it is indirectly coupled to support 1(As shown in Figure 8)On, as shown in Figure 2,3, 4, the movable end of the drawstring 6 of rope drum 2 is oblique
Towards and through the lower section of rope drum 2 and close to the guide frame 7 of the wherein end of rope drum 2(Pilot hole)Vertically down pass through afterwards
On the section material framework 5 for the curtain bottom for being fastened on folding after the casement body that the corrugated of the curtain 4 of folding folds, such as
Shown in Fig. 5, Fig. 6, constant force rebounding mechanism a includes framework 8, the active reel 9 being rotatably arranged in framework 8, by movable reel 10, bullet
Reed is rolled up(Clockwork spring)11, active reel 9, by movable reel 10 it is parallel to each other and can be freely rotated, spring leaf volume 11 is wound on passive
On reel 10, the movable end 11a of spring leaf volume 11 is fixed on active reel 9, and section is in non-circular(Such as square)Axle 3, which is worn, to be connect
On active reel 9 is in non-circular with 3 corresponding section of axle(Such as square)Perforation 9a on and link with active reel 9.
As shown in Figure 2,4, the smooth leading truck 12 in surface is provided with rope drum 2 in the top of guiding mechanism 7(Such as
Stainless steel strip).Leading truck 12 is slightly bent downwardly in cross bar shape and its middle part, and drawstring 6 is directed downwardly into guiding in leading for leading truck 12
Structure 7;Or as shown in Figure 10,11, leading truck 12 is horizontally disposed L-shaped bar, drawstring 8 by the inner bending of L-shaped bar 12 at
It is oriented to and imports guide frame 7.Using L-shaped bar, friction can be increased by the effect of the clamping drawstring 8 at the inner bending of L-shaped bar 12
Resistance.
Constant force rebounding mechanism a framework 8 includes biside plate 8a, at least three locating dowel 8b being arranged between biside plate 8a,
Locating dowel 8b is fixed therein on the version 8a of side(Such as it is an integrally-molded together with side plate 8a), through opposite side version 8a spiral shell
Silk 8c is screwed on locating dowel 8b and is fixed together biside plate 8a, locating dowel 8b, biside plate 8a on the inside of be respectively provided with
Have and be provided with a pair of intermeshing teeth with rotating shaft 13a on a pair gear cavity 8e, a pair of gear cavity 8e with axis hole 8d
Wheel 13, the rotating shaft 13a of gear 13, which rotates to wear, to be connected on axis hole 8d, and active reel 9 is fixedly connected one to be carried and active volume wherein
Perforation 13e gear 13 corresponding to the perforation 9a of cylinder 9(Such as it is an integrally-molded together with the gear 13)On, by 10 turns of movable reel
It is dynamic be connected to another gear 13 centre be with by the corresponding perforation 13c of the perforation 10a of movable reel 10 step-like axis hole 13b
On.
The perforation 9a of active reel 9 section be in 3 corresponding section of axle corresponding to it is non-circular(Such as square).
It is more than the maximum outside diameter of axle 3 by the perforation 10a diameters of movable reel 10.So, through by the perforation of movable reel 10
The rotation of axle 3 would not be influenceed by movable reel 10.
As shown in figure 9, what the casement main body that the corrugated of the curtain 4 folded folds was folded by symmetrical two sides corrugated
Either textile cloth or plastic foil are formed paper, the trough of the paper that two sides corrugated the folds either ripple of textile cloth or plastic foil
Link together, so that the section for the casement main body that corrugated folds is in honeycomb.
As shown in Fig. 7,9, the top of the curtain 4 of folding is fixed on below support 1, with hand toward drop-down cross bar 5, due to folding
The folded expansion of curtain 4 be almost do not have it is resistant, as long as resistance and perseverance when the pulling force of hand overcomes the rope drum 2 to discharge drawstring 6
Power rebounding mechanism a screen resilience is with regard to that can deploy the curtain 4 of folding, after expansion, due to the gravity of the curtain 4 of folding, cross bar 5
Resistance sum when gravity and rope drum 2 furl drawstring 6 is more than constant force rebounding mechanism a screen resilience, meanwhile, the curtain of folding
4 gravity, the gravity sum of cross bar 5 again be less than rope drum 2 discharge drawstring 6 when resistance, constant force rebounding mechanism a screen resilience it
With, so, the curtain 4 of folding deploy after in the presence of no external force be transfixion, maintain deployed condition, and when using hand rest
The curtain 4 folded is acted, because constant force rebounding mechanism a screen resilience is much larger than resistance when rope drum 2 furls drawstring 6, therefore,
In the presence of constant force rebounding mechanism a screen resilience, the curtain 4 of folding is just folded up, and the curtain 4 of folding is accepted, when removing
After pin human hand lifts power, the curtain 4 of folding maintains the state constant.
As shown in Fig. 2-6, Fig. 8, rope drum 2 is arranged on rope drum framework 14, and rope drum framework 14 includes two side
14a is connected to entablature 14d, the transverse slat 14c of lower section between the 14a of two side, front and rear on the two side 14a of rope drum framework 14 to set
Symmetrical two axis holes 14b is equipped with, rope drum 2 is rotatably arranged on rope drum framework 14 by the axle 2a with only face 14e at both ends
On side wall 14a wherein on an axis hole 14b, guide groove 7 is arranged on the transverse slat 14c of the lower section of rope drum framework 14, and support 1 includes
Aluminium of the bottom with slit wears groove closes pipe profile 1a, and rope drum framework 14 and constant force rebounding mechanism a with rope drum 2 are arranged on
Aluminium is closed in pipe profile 1a, and drawstring 6 is connected to the first rope drum with rope drum 2 on the lower end section material framework 5 of curtain 4 of folding
Framework 14 has two or more, and for being connected together and being linked with the rope drum 2 on the first rope drum framework 14 is worn by first axle 3
One constant force rebounding mechanism a has more than one, and drawstring 6 is connected to the upper end of curtain 4 of folding and fixes company with the upper end of curtain 4 of folding
The second rope drum framework 14 with rope drum 2 on the upper sectional material framework 15 connect has two or more, is worn and is connected on by the second axle 3
The the second constant force rebounding mechanism a to link together and with the rope drum 2 on the second rope drum framework 14 has more than one.
As shown in figure 8, in use, down the section material framework 5 on the lower end of curtain 4 of bilateral pulled foldable, the curtain 4 of folding are opened up with hand
Open, cover the window b first halves when the curtain 4 of folding deploys half, it is when the curtain 4 of folding is fully deployed that window b is complete
Portion covers, down the upper sectional material framework 15 on the upper end of curtain 4 of bilateral pulled foldable, when the curtain 4 of folding is shunk half from top to bottom,
The window b first halves are opened, and lower half is also under the covering of casement 4.So, have just curtain and cover window b differences
The function at position.