CN2415142Y

CN2415142Y - Window curtain capable of direct locating by pull and lifting

Info

Publication number: CN2415142Y
Application number: CN 00206334
Authority: CN
Inventors: 杨金钱
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-16
Filing date: 2000-03-16
Publication date: 2001-01-17
Anticipated expiration: 2010-03-16

Abstract

The utility model relates to a window curtain capable of directly positioning by pulling and lifting, the whole curtain is primarily composed of an upper edge strip, a lower edge strip, a curtain and a coil winder, wherein, the upper and the lower edges of the curtain are respectively fixed to the upper edge strip and the lower edge strip; the curtain body forms a repeatedly overlapped folding-shaped structure; the wires of the coil winder passes directly through the curtain and is fixed to the lower edge strip; a coil shaft of the coil winder is engaged with a torsion shaft by a gear; the torsion shaft is drawn by a coiled spring. The utility model enables the positioning of the whole curtain to be more accurate and easier, and high-low fall of the lengths at both ends does not appear when the curtain is stretched or telescoped.

Description

Can directly draw and lift the curtain of location

The utility model relates to a kind ofly can directly draw and lift the curtain of location.

The general blind commonly used or the Window curtain structure of roller shutter type, it mainly is the stationary body by a top row culture curtain, its heavy curtain or louvre blade are fixed between a upper sid strip and the lower sid strip via after the connecting of cotton rope, and have a coil winder to be installed in the upper sid strip place in addition in order to draw the spiral rope, so that louvre blade or heavy curtain reach the effect that stretches or fold; Yet, coil winder is directly reached by the generation power of heavy curtain and lower sid strip in order to the active force that draws the spiral rope, that is the user must exert oneself the drop-down louvre blade that just can allow of stay cord is folded, need stay cord be fixed at the fixed point place by blocking wheel again, just be unlikely to cause louvre blade to drop because stay cord is unclasped in action of gravity, it can't be fixed on louvre blade the place, location in the use smoothly, the design of whole curtain simultaneously is subjected to the restriction of louvre blade quantity, because too much louvre blade will make gravity increase, the strength of relative pulling stay cord then increases thereupon, especially the fixing power of blocking wheel will decrease, and can't allow curtain keep normal running, in addition, because the louvre blade of curtain commonly used or the length at heavy curtain two ends are controlled by two cotton ropes respectively, the action of its two cotton rope thereby be difficult for keeping synchronously and carry out, so often cause louvre blade or heavy curtain when pulling, its two ends can produce rugged phenomenon and influence attractive in appearance.

At the shortcoming of prior art, main purpose of the present utility model is to provide a kind of can directly draw and lift the curtain of location, locatees by heavy curtain via the counterbalance effect of torsion and counterweight, makes the location of whole heavy curtain more accurate, easily.

Another purpose of the present utility model provides and a kind ofly can directly draw and lift the curtain of location, engagement by the coil winder internal gear, the spool at control heavy curtain two ends can be rotated synchronously, and the length at its two ends is unlikely to produce high low head when making the stretching of heavy curtain or condensation.

Another purpose of the present utility model provides and a kind ofly can directly draw and lift the curtain of location, can be at the lower sid strip place, insert the balancing weight of solid Different Weight according to specific heavy curtain size Selection,, make the design of heavy curtain not be subjected to the restriction of weight so that the gravity of whole heavy curtain can be kept balance with the torsion of coil winder.

For achieving the above object, the utility model is achieved through the following technical solutions: a kind ofly can directly draw and lift the curtain of location, it is characterized in that: its whole curtain is made of upper sid strip, lower sid strip, heavy curtain and coil winder; Wherein the upper and lower edge of heavy curtain fixes with upper sid strip and lower sid strip respectively, and the heavy curtain body is repeatedly the hundred folding shape structures that overlap, and the cotton rope of its coil winder directly passes heavy curtain and is fixed on the lower sid strip; The spool of this coil winder is meshed with a torsion shaft by gear, and its torsion shaft is by the drawing of a volute spring.

This coil winder is installed on the plate body of upper sid strip, its by a base plate and loam cake respectively with spool, torsion shaft, tooth sector, reed spool and snail wind spring sheet double team are in wherein, in addition by inserting fixedly overall structure of solid pin, wherein base plate and loam cake are provided with hollow protruding axle with suitable spacing respectively, spool and torsion shaft then have been formed centrally axis hole therein, sleeve is on the protruding axle of base plate and loam cake, spool and torsion shaft lower end are formed with pitch wheel simultaneously, side in torsion shaft is provided with a reed spool in addition, an and sheathed thereon snail wind spring sheet, snail wind spring sheet two ends are inserted solid on the intercalation firmly hole of reed spool and torsion shaft respectively, the center of reed spool is formed with an axis hole equally, the root edge of its axis hole slightly protrudes out by another tooth sector and is nested with, with same order another is organized the reed spool, the structure of torsion shaft and spiral bobbin is located at the other end of coil winder, and cotton rope fastens respectively on the intercalation firmly hole of two spools.

This lower sid strip place inserts solid weight balancing weight according to the size Selection of heavy curtain.

Can directly draw and lift the curtain of location by the utility model is a kind of, overcome the shortcoming of prior art, reach the purpose of above-mentioned creation; The length at its two ends is unlikely to produce high low head when making the stretching of heavy curtain or condensation; Make the gravity of whole heavy curtain keep balance simultaneously, make the design of heavy curtain not be subjected to the restriction of weight with the torsion of coil winder.

The utility model is described in further detail below in conjunction with drawings and the specific embodiments.

Fig. 1 is the overall structure outside drawing of the utility model one preferred embodiment;

Fig. 2 STRUCTURE DECOMPOSITION figure of the present utility model;

Fig. 3 is a coil winder structure sectional view of the present utility model;

Fig. 4 is an operation chart of the present utility model.

The utility model can directly draw and lift the location curtain basic comprising as shown in Figure 1 and Figure 2, its whole curtain is made of upper sid strip 1, lower sid strip 2, heavy curtain 3 and coil winder 4; Wherein the edge up and down of heavy curtain 3 fixes respectively with in upper sid strip 1 and lower sid strip 2, and heavy curtain 3 bodies are the hundred folding shape structures that overlap repeatedly, has the multiple effect that contracts that stretches, the cotton rope 5 of coil winder 4 directly passes heavy curtain 3 and is fixed on the

lower sid strip

2,5 pairs of lower sid strips of folding and unfolding cotton rope, 2 formation by coil winder 4 draw and lift effect, reach the effect that control heavy curtain 3 stretches, folds; Please cooperate simultaneously with reference to shown in Figure 3, this coil winder 4 is installed on the plate body of upper sid strip 1, its by a base plate 41 and loam cake 42 respectively with spool 43, torsion shaft 44, tooth sector 45, reed spool 47 and snail wind spring sheet 46 double teams are in wherein, in addition sell 48 fixing overall structures admittedly by inserting, wherein base plate 4 is provided with hollow protruding axle 411 with suitable spacing respectively with loam cake 42,421, above-mentioned spool 43 has been formed centrally axis hole 431 therein with 44 of torsion shafts, 441, but sleeve is in the protruding axle 411 of base plate 41 with loam cake 42, on 421, spool 43 is formed with pitch wheel 432 with torsion shaft 44 lower ends simultaneously, 442, side in torsion shaft 44 is provided with a reed spool 47 in addition, an and sheathed thereon snail wind spring sheet 46, solid intercalation firmly hole 472 in reed spool 47 and torsion shaft 44 is inserted at the two ends of snail wind spring sheet 46 respectively, on 443, drawing via volute spring 46 makes torsion shaft 44 have the twisting force of counter-rotating, the center of reed spool 47 is formed with an axis hole 472 equally, the root edge of its axis hole 472 also slightly protrudes out and is beneficial to be nested with for another tooth sector 45, with same order another is organized reed spool 47, the structure of torsion shaft 44 and spool 43 is located at the other end of coil winder 4, cotton rope 5 can be fastened on the intercalation firmly hole of spool on two 43, with the convergent-divergent of control heavy curtain 3 both sides length respectively; In addition, insert the intrinsic balancing weight 6 that possesses specified weight, use so that the gravity of whole heavy curtain 3 can be maintained balance with the torsion of coil winder 4 inside at lower sid strip 2 places.

Because, the utility model can directly draw and lift the curtain of location, the gravity of its coil winder 4 inner torque magnitude and heavy curtain and lower sid strip maintains the state of balance, as shown in Figure 4, when user's application of force is lifted on lower sid strip 2 or is drop-down, application of force effect can make the spool 43 of coil winder 4 inside rotate naturally, simultaneously the spool 43 at two ends is synchronization action via gear meshing, heavy curtain 3 two ends can evenly cooperate and stretch thereupon or fold, when drawing and lifting lower sid strip 2 to fixed point, the user only needs lower sid strip 2 is decontroled, can locate by heavy curtain via the counterbalance effect of torsion and counterweight, make curtain heavy curtain 3 be positioned in the operation more certain, convenient, pass through the engagement of coil winder 4 internal gears simultaneously, the spool 43 at control heavy curtain 3 two ends can be rotated synchronously, when making the stretching of heavy curtain 3 or condensation, the length at its two ends does not produce high low head.

Torsion and the gravity of heavy curtain and the lower sid strip state of keeping balance of the curtain that the utility model can directly draw and lift the location by coil winder inside, can locate by heavy curtain via the counterbalance effect of torsion and counterweight, make the location of whole heavy curtain more accurate, easily, engagement by the coil winder internal gear, make the spool at control heavy curtain two ends be able to synchronous rotation, the length at its two ends is unlikely to produce high low head when making the stretching of heavy curtain or condensation.

Claims

1, a kind ofly can directly draw and lift the curtain of location, it is characterized in that: its whole curtain is made of upper sid strip, lower sid strip, heavy curtain and coil winder; Wherein the upper and lower edge of heavy curtain fixes with upper sid strip and lower sid strip respectively, and the heavy curtain body is repeatedly the hundred folding shape structures that overlap, and the cotton rope of its coil winder directly passes heavy curtain and is fixed on the lower sid strip; The spool of this coil winder is meshed with a torsion shaft by gear, and its torsion shaft is by the drawing of a volute spring.

2, according to claim 1ly can directly draw and lift the curtain of location, it is characterized in that: this coil winder is installed on the plate body of upper sid strip, its by a base plate and loam cake respectively with spool, torsion shaft, tooth sector, reed spool and snail wind spring sheet double team are in wherein, in addition by inserting fixedly overall structure of solid pin, wherein base plate and loam cake are provided with hollow protruding axle with suitable spacing respectively, spool and torsion shaft then have been formed centrally axis hole therein, sleeve is on the protruding axle of base plate and loam cake, spool and torsion shaft lower end are formed with pitch wheel simultaneously, side in torsion shaft is provided with a reed spool in addition, an and sheathed thereon snail wind spring sheet, snail wind spring sheet two ends are inserted solid on the intercalation firmly hole of reed spool and torsion shaft respectively, the center of reed spool is formed with an axis hole equally, the root edge of its axis hole slightly protrudes out by another tooth sector and is nested with, with same order another is organized the reed spool, the structure of torsion shaft and spiral bobbin is located at the other end of coil winder, and cotton rope fastens respectively on the intercalation firmly hole of two spools.

3, according to claim 1ly can directly draw and lift the curtain of location, it is characterized in that: this lower sid strip place inserts solid weight balancing weight according to the size Selection of heavy curtain.