A kind of rope drum mechanism and the curtain using the rope drum mechanism
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, for this reason, it may be necessary to which a kind of can produce
The mechanism of constant resistance, so that when curtain is packed up, its resistive fit winding power is enough the weight for deploying curtain for overcoming curtain
Power, curtain is set to maintain winding state, meanwhile, its resistive fit curtain gravity is enough to overcome the winding power for winding curtain, makes window
Curtain maintains deployed condition in the case where being acted on without external force.
The content of the invention:
The goal of the invention of the present invention be to provide it is a kind of with constant resistance for folding and unfolding curtain rope drum mechanism and make
With the curtain of the rope drum mechanism.
The present invention is achieved in that including rope drum framework, the rope drum being arranged in rope drum framework, its especially it
It is in and is provided with symmetrical two axis hole in front and rear on the two side of rope drum framework, rope drum is rotatably arranged on by the axle at both ends
On rope drum frame side wall wherein on an axis hole, be provided with guide frame on the bottom plate of rope drum framework, the drawing on rope drum
Restrict and sidelong guide frame and passed out of guide frame, leading truck is provided with rope drum in the top of guide frame,
Non-circular perforation is provided with the axis of rope drum.
Using the curtain of the rope drum mechanism of the technology of the present invention, including support, be rotatably arranged on it is of the invention on support
At least two rope drum mechanisms, at least one constant force rebounding mechanism being arranged on support, wear and be connected on rope drum and constant force resilience
The casement that axle that is in mechanism and being linked with rope drum, constant force rebounding mechanism, corrugated fold, the casement that corrugated folds
Top be directly or indirectly connected on support, the movable end of the drawstring of rope drum is sidelong and through leading below rope drum
It is fastened on after to structure after the vertical casement down folded through corrugated on the bottom of the casement of corrugated folding.
Constant force rebounding mechanism includes framework, the active reel being rotatably arranged in framework, rolled up by movable reel, spring leaf(Hair
Bar), 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, spring leaf volume
Movable end be fixed on active reel, axle wear is connected on active reel and with active reel link.
In use, the weight for the casement that regulation corrugated folds, makes it essentially identical with constant force rebounding mechanism screen resilience,
Pass due to the sidelong guide frame of drawstring on rope drum and out of guide frame, so, constant weight casement and
Under the collective effect of the constant screen resilience of constant force rebounding mechanism, drawstring is abutted against on guide frame with constant pressure, so, drawstring
Resistance in the both direction on guide frame is all constant, it is necessary to when deploying curtain, is folded with hand toward drop-down corrugated
Casement bottom(Such as it is fixed on the section material framework of casement bottom), because the casement expansion that corrugated folds is almost
Do not have it is resistant, as long as the pulling force of hand overcome rope drum discharge serving when resistance(The casement that now corrugated folds
The screen resilience of weight and constant force rebounding mechanism offset), after expansion, due to the gravity and serving of the casement that corrugated folds
Resistance sum during cylinder retracting serving is more than the screen resilience of constant force rebounding mechanism, meanwhile, the gravity for the casement that corrugated folds
Resistance, the screen resilience sum of constant force rebounding mechanism when again less than rope drum release serving, due to the resilience of constant force rebounding mechanism
Resistance when resistance, rope drum when power and rope drum release serving furl serving is invariable, and what corrugated folded
The gravity of casement can be adjusted by increasing or reducing the weight of cross bar, it is thereby achieved that above-mentioned various gravity, resistance
The size requirements of power and screen resilience, so, corrugated fold casement be deployed in no external force in the presence of be transfixion,
Deployed condition is maintained, and when the casement for the corrugated folding that holds in the palm, because the screen resilience of constant force rebounding mechanism is much larger than volume
Rope roll furls resistance during serving, and therefore, in the presence of the screen resilience of constant force rebounding mechanism, the casement that corrugated folds is just
Fold up, the casement that corrugated folds is accepted, after revocation human hand lifts power, the casement that corrugated folds maintains
The state is constant.
In the top of guide frame leading truck is provided with the rope drum framework at rope drum.The effect one of leading truck
To increase the gradient before drawstring imports guide groove, to increase frictional resistance, meanwhile, make drawstring can be close before importing guide groove
Rope drum, with ensure drawstring one enclose then one enclose the land and be wound in an orderly manner on rope drum without wiring below before
On the wiring in face, to ensure acting freely for wiring.
Leading truck is slightly bent downwardly in cross bar shape and its middle part, and drawstring is directed downwardly into guide frame in leading for leading truck;Or
Person's leading truck is horizontally disposed L-shaped bar, and drawstring imports guide frame by the guiding at L-shaped bar inner bending.Using L-shaped bar,
Frictional resistance can be increased by the effect of the clamping drawstring at L-shaped bar inner bending.
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 casement expansion that corrugated folds, active spool turns are driven by axle, the spring leaf that spring leaf is rolled up is rewound in master
On movable 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,
Spring leaf roll recovery it is original around to screen resilience in the presence of, be provided with constant force rebounding mechanism and drive active reel backrush
Constant screen resilience.
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, support includes aluminium conjunction pipe profile of the bottom with slit wears groove, and rope drum mechanism of the invention and constant force are returned
Play mechanism to be arranged in aluminium conjunction pipe profile, drawstring is connected to the first volume with rope drum of the casement lower end of corrugated folding
There is two or more in rope roll mechanism, and the first constant force for being connected together and being linked with the rope drum in the first rope drum mechanism is worn by axle
Rebounding mechanism has more than one, and drawstring is connected to the second rope drum machine with rope drum of the casement upper end of corrugated folding
Structure has two or more, and the second constant force resilience machine for being connected together and being linked with the rope drum in the second rope drum mechanism is worn by axle
Structure has more than one.
So, in use, with hand toward drop-down corrugated fold casement lower end on, corrugated fold curtain arrange exhibits
Open, cover the window first half when the casement that corrugated folds deploys half, when the casement that corrugated folds is opened up completely
It will all be covered on window when opening, the casement upper end folded toward drop-down corrugated, make the casement that corrugated folds from upper past
During lower contraction half, the window first half is opened, and lower half is also under the covering of casement.So, have just curtain to hide
The function of lid 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
Symmetrically it can be disturbed through the axis hole on another rope drum framework and the complementary by movable reel of 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, with constant resistance the advantages of being used for folding and unfolding curtain.
Brief description of the drawings:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is Fig. 1 lateral plan;
Fig. 3 is Fig. 1 A-A sectional views;
Fig. 4 is the structural representation for the curtain for having used the technology of the present invention;
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, 2, 3, the present invention includes rope drum framework 14, the rope drum 2 being arranged in rope drum framework 14, rope drum
Framework 14 includes entablature 14d, the transverse slat 14c of lower section that two side 14a is connected between the 14a of two side, and it is particular in that
Front and rear on the two side 14a of rope drum framework 14 to be provided with symmetrical two axis holes 14b, rope drum 2 is rotated by the axle 2a at both ends
Be arranged on the side wall 14a of rope drum framework 14 wherein on an axis hole 14b, be provided with and lead on the bottom plate 14c of rope drum framework 14
To structure 7, the sidelong guide frame 7 of drawstring 6 on rope drum 2 simultaneously passes out of guide frame 7, in the top of guide frame 7
The smooth leading truck 12 in surface is provided with rope drum 2, non-circular perforation 2b is provided with the axis of rope drum 2.
As shown in Figure 1, 2, 3, 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 led to be directed downwardly into and led leading truck 12
To 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
Guiding import guide frame 7.Using L-shaped bar, can be rubbed by the effect of the clamping drawstring 8 at the inner bending of L-shaped bar 12 to increase
Wipe resistance.
Using the curtain of the rope drum mechanism of the technology of the present invention, including support 1, the present invention that is rotatably arranged on support 1
At least two rope drum mechanisms with rope drum 2, be arranged on support 1 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 with rope drum 2, constant force rebounding mechanism a link axle
3rd, the casement 4 that corrugated folds, the casement 4 that corrugated folds include the casement body of corrugated folding, connection
Section material framework 5 in the casement body bottom that corrugated folds, the top for the casement 4 that corrugated folds are direct(Such as Fig. 1,7
It is shown)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 guide frame 7(Pilot hole)Connect afterwards after the vertical casement 4 down folded through corrugated
Connect and be fixed on section material framework 5, as shown in Figure 5, Figure 6, constant force rebounding mechanism a includes framework 8, is rotatably arranged in framework 8
Active reel 9, by movable reel 10, spring leaf roll up(Clockwork spring)11, active reel 9, by movable reel 10 it is parallel to each other and can be freely turned
Dynamic, spring leaf volume 11 is on by movable reel 10, and the movable end 11a of spring leaf volume 11 is fixed on active reel 9, and section is in
It is non-circular(Such as square)It is in non-circular with 3 corresponding section of axle that axle 3, which is worn and is connected on active reel 9,(Such as square)Perforation
9a is upper and is linked with active reel 9.
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 Fig. 7,9, the top of casement 4 that corrugated folds is fixed on below support 1, with hand toward pulldown material
Framework 5, due to corrugated fold casement 4 expansion be almost do not have it is resistant, as long as the pulling force of hand overcomes rope drum 2 to discharge
The screen resilience of resistance and constant force rebounding mechanism a during drawstring 6 deploys with regard to the casement 4 that can fold corrugated, after expansion, by
Resistance sum when the gravity of casement 4, the gravity of section material framework 5 and the retracting drawstring 6 of rope drum 2 that are folded in corrugated is big
In constant force rebounding mechanism a screen resilience, meanwhile, the gravity of casement 4 of corrugated folding, the gravity sum of cross bar 5 are less than again
Resistance, constant force rebounding mechanism a screen resilience sum during the release drawstring 6 of rope drum 2, so, the casement 4 that corrugated folds is opened up
In the presence of no external force it is transfixion after opening, maintains deployed condition, and when the casement for the corrugated folding that hold in the palm
4, because constant force rebounding mechanism a screen resilience is much larger than resistance when rope drum 2 furls drawstring 6, therefore, in constant force rebounding mechanism
In the presence of a screen resilience, the casement 4 that corrugated folds just is folded up, and the casement 4 that corrugated folds is accepted,
After revocation human hand lifts power, the casement 4 that corrugated folds maintains the state constant.
As shown in Fig. 2-6, Fig. 8, support 1 includes aluminium of the bottom with slit wears groove and closes pipe profile 1a, with rope drum 2
Rope drum mechanism and constant force rebounding mechanism a be arranged on aluminium and close in pipe profile 1a, drawstring 6 is connected to the casement of corrugated folding
There is two or more in the first rope drum mechanism with rope drum 2 on 4 lower end section material frameworks 5, is worn and is connected together by first axle 3
And the first constant force rebounding mechanism a to be linked with the rope drum 2 in the first rope drum mechanism has more than one, drawstring 6 is connected to ripple
Band on the upper end of casement 4 of line shape folding and the upper sectional material framework 15 being fixedly connected with the upper end of casement 4 that corrugated folds
There is two or more in the second rope drum mechanism for having rope drum 2, worn by the second axle 3 be connected together and with the second rope drum mechanism
Rope drum 2 link the second constant force rebounding mechanism a have more than one.
As shown in figure 8, in use, with hand toward drop-down corrugated fold the lower end of casement 4 on section material framework 5, ripple
The casement 4 that shape folds deploys, and covers the window b first halves when the casement 4 that corrugated folds deploys half, works as corrugated
Window b is all covered when the casement 4 of folding is fully deployed, the mo(u)ld top half on the upper end of casement 4 folded toward drop-down corrugated
Material framework 15, when the casement 4 for folding corrugated shrinks half from top to bottom, the window b first halves are opened, and lower half is also located
Under the covering for the casement 4 that corrugated folds.So, just make curtain that there is the function of covering window b different parts.
As shown in figure 9, the casement main body that the corrugated for the casement 4 that corrugated folds folds is by symmetrical two sides ripple
The paper or cloth that shape folds are formed, and the paper or the trough of the ripple of cloth that two sides corrugated folds link together, so that ripple
The section for the casement main body that line shape folds is in honeycomb.