CN2494423Y

CN2494423Y - Roller blind reversing dog device

Info

Publication number: CN2494423Y
Application number: CN 01231968
Authority: CN
Inventors: 余金荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-01
Filing date: 2001-08-01
Publication date: 2002-06-05
Anticipated expiration: 2011-08-01

Abstract

The utility model relates to a reverse clamping supporting device for a rolling curtain, which is characterized in that a driving shaft is formed on one side of the driving disc, and a driven shaft is sleeved on the other end of the driven disc which is also provided with a sleeve seat which is used for mutual conjugation of the driving shaft and the driven shaft. An enwinding spring is sleeved on middle section of the sleeve seat, whose rotating direction is configured toward a second pressing and supporting surface of the driven shaft. When the driven shaft is rotated in the effect of external force, the second pressing and supporting part of the driven shaft pushes the enwinding spring to be rotated toward a reverse direction, which makes the enwinding spring extratensive and be formed a locking supporting effect with the sleeve seat, the driven shaft being not rotated, and meanwhile restricts the driven shaft to be continually rotated, thus effectively restricting reverse rotation of the driven shaft and maintaining location of the curtain body, and preventing the rolling curtain from sliding down due to weight or external force.

Description

The reverse clamping and drawing device of roller shutter

Technical field

The utility model relates to a kind of reverse clamping and drawing device of roller shutter.

Background technology

Mostly the manner of execution of general roller shutter is to be rotated by a main stay cord (chain pearl) drawing one main turntable, drive another secondary dial rotation indirectly by main turntable again, and the time by secondary dial rotation, draw another secondary stay cord action, and the curtain body of roller shutter is taken to suitable position by moving of secondary stay cord, and by a clamping piece rope body of main stay cord is fixed, simultaneously main turntable is formed a clip effect, use curtain body location, and prevent that roller shutter from gliding because of the effect of weight or external force roller shutter.

Because, now use the used reverse clip mode of main turntable of roller shutter, be main stay cord clip is produced indirectly the effect of a clip by clamping piece to main turntable, its clamping piece is then in the mode with the rope body clipping of main stay cord, main stay cord is unlikely to is spurred, use to reach preventing the clip effect that reverses because of the reverse of main turntable; Yet, because the rope body of general main stay cord is after being subjected to the clipping of clamping piece, the clipping strength of Chang Yinwei clamping piece is excessive and can't unclasp clamping action to status of a sovereign rope smoothly, and cause puzzlement in the use, especially main stay cord also can because of clamping piece heavily cover clipping rope body and and rope pullling and cause the wearing and tearing of rope surface between body, to such an extent as to and cause because the rope surface be tending towards smooth can't be really with the phenomenon of its clipping.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of location that can keep the curtain body really at the above-mentioned deficiency of prior art, prevents the reverse clamping and drawing device of the roller shutter that roller shutter glides because of the effect of weight or external force.

Above-mentioned technical problem of the present utility model is realized by following technical scheme.

A kind of reverse clamping and drawing device of roller shutter mainly is to constitute a scrolling curtain body by a master file seat and a secondary coil rest; Wherein, master file seat and secondary coil rest are respectively by the pedestal with an accommodation chamber, the pedestal of this accommodation chamber is firm ccontaining main turntable and secondary rotating disk respectively, and there is another secondary stay cord to be connected with secondary rotating disk, and on the pedestal of master file seat and secondary coil rest, be provided with corresponding axis hole, other has a power transmission shaft to be linked between master file seat and secondary coil rest via axis hole, so that its main turntable and secondary rotating disk are able to mutual interlock, and the curtain body of its roller shutter can drive secondary dial rotation indirectly via main turntable, draw secondary stay cord action with by secondary dial rotation the time, and the curtain body of roller shutter is taken to suitable position by moving of secondary stay cord; It is characterized in that:

Main turntable one side in this master file seat is formed with a driving shaft, is connected with power transmission shaft and be arranged with a driven shaft in addition in a side of driving shaft, is provided with one in addition to make driving shaft and driven shaft be able to the block set of relative bonding in the pedestal accommodation chamber of master file seat; Again, this driving shaft is to be formed with first press face and second press face that is half-sectioned on its axis body that docks mutually respectively with driven shaft, and be arranged with one around coil spring in the middle section of its block set, should and be formed with the interlock section that can stretch between first press face and second press face respectively around coil spring, this rotation direction around coil spring be that mode towards second press face of driven shaft disposes again; According to this, when its driving shaft is rotated with main turntable, first press face of its driving shaft can be along the rotation direction around coil spring, rotate around coil spring and drive, and with after second press face of driven shaft contacts, can promote driven shaft and rotate, drive secondary dial rotation in the secondary reel by the couple axle in driven shaft axle center again, draw secondary stay cord action in the time of at last by secondary dial rotation, and the curtain body of roller shutter is taken to suitable position by moving of secondary stay cord; Otherwise, when driven shaft rotates because being subjected to the effect of external force, second pressure section of driven shaft can press against the motion section of wind spring in advance at this moment, and the motion section promoted towards revolving in the opposite direction with wind spring, and make outside the wind spring Zhang Bingyu block set form a lock effect of pulling and can't rotate, and limit driven shaft simultaneously and be rotated further, use and can effectively limit driven shaft and reverse, keeping the location of curtain body really, to prevent roller shutter because the effect of weight or external force and downslide person.

Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:

The axis body place, secondary rotating disk two ends of this pair reel is equiped with bearing in addition.

But this main turntable place cooperates the main stay cord that is provided with drawing main turntable rotation.

Each curtain body of this roller shutter is to be mode independently to piece together mutually and be abutted against continuous and surround the structure of a heavy curtain shape, and each curtain body is to assemble binding by the roller mount at two ends mutually with track, this pair coil rest promptly is located at the two ends of track, this pair stay cord then is arranged in the track, a side of this master file seat secondary coil rest then located therein.

Between this main stay cord and main turntable, and between secondary stay cord and secondary rotating disk, be to drive mutually with the structure of chain pearl and pearl dish respectively.

The both sides of each chain pearl of this pair stay cord have extended to form auxiliary pin.

Advantage of the present utility model is:

The reverse clamping and drawing device of roller shutter of the present utility model is by being formed with a driving shaft in main turntable one side, and is arranged with a driven shaft in addition in a side of driving shaft, and is provided with one and makes driving shaft and driven shaft be able to the block set of relative bonding; Again, be arranged with one around coil spring in the middle section of block set, should be second press face around the rotation direction of coil spring towards driven shaft, when driving shaft rotated with main turntable, first press face of its driving shaft connect along the rotation direction around coil spring, rotated around coil spring and drive, and the promotion driven shaft rotates, drive secondary dial rotation by driven shaft again,, the curtain body of roller shutter is taken to suitable position to draw secondary stay cord action; Otherwise, when driven shaft is subjected to the effect rotation of external force, this moment, wind spring can be revolved promotion in the opposite direction earlier in second pressure section of driven shaft, and make outside the wind spring Zhang Bingyu block set form a lock effect of pulling and can't rotate, and limiting driven shaft simultaneously is rotated further, use effective restriction driven shaft and reverse,, glide because of the effect of weight or external force to prevent roller shutter to keep the location of curtain body really.

Description of drawings

Fig. 1 is that the roller shutter of the utility model one preferred embodiment draws the volume structure outside drawing.

Fig. 2 is the STRUCTURE DECOMPOSITION figure of main swivel base in the utility model.

Fig. 3 is the STRUCTURE DECOMPOSITION figure of secondary swivel base in the utility model.

Fig. 4 is the main swivel base structure sectional view in the utility model.

Fig. 5 is the view that driving shaft drives driven shaft in the utility model.

Fig. 6 is that thereby driven shaft drives the view that reverse causes clip in the utility model.

Fig. 7 is a use reference diagram of the present utility model.

The specific embodiment

The reverse clamping and drawing device of roller shutter of the present utility model, it rolls up honest and clean rolling device as shown in Figure 1, it mainly is the structure that constitutes a scrolling curtain body by a master file seat 1 and a secondary coil rest 2, please more simultaneously with reference to Fig. 2 and shown in Figure 3, wherein, master file seat 1 is respectively by having an accommodation chamber 111 with secondary coil rest 2,211 pedestal 11,21 is main body, to supply the firmly ccontaining of main turntable 13 and secondary rotating disk 23 respectively, and and have a main stay cord 17 to be connected with main turntable 13, to rotate by main stay cord 17 drawing main turntables 13, certainly its main turntable also can directly must not be had the setting of main stay cord by other power set driving, and have a secondary stay cord 25 to be connected in addition with secondary rotating disk 23, and can drive mutually with the structure of chain pearl and pearl dish respectively between its stay cord and rotating disk; Especially, both sides on each chain pearl 251 of secondary stay cord 25 have extended to form auxiliary pin 252, that is chain pearl 251 is able to be held in by auxiliary pin 252 inwall of track, so that in the process of secondary stay cord 25 actions of drawing, can effectively prevent the wearing and tearing of chain pearl 251, and avoid secondary stay cord 25 in track, to drop out and cause dislocation.

Again, on the pedestal 11,21 of master file seat 1 and secondary coil rest 2, be provided with corresponding axis hole 112,212, other has a power transmission shaft 3 to be linked to 2 of master file seat 1 and secondary coil rests via axis hole 112,212, make main turntable 13 and secondary rotating disk 23 be able to mutual interlock, and the curtain body of its roller shutter can affect main turntable 13 to rotate via the drawing of main stay cord 17, driving secondary rotating disk 23 indirectly by main turntable 13 again rotates, draw secondary stay cord 25 actions when rotating, and the curtain body of roller shutter is taken to suitable position by moving of secondary stay cord 25 by secondary rotating disk 23.

It focuses on: main turntable 13 1 sides in its master file seat 1 are formed with a driving shaft 131, be connected with power transmission shaft 3 and be arranged with a driven shaft 14 in addition in a side of driving shaft 131, and in pedestal 11 accommodation chambers 111 of master file seat 1, be provided with a block set 15 usefulness in addition, and when rotating, driving shaft 131 can drive driven shaft 14 rotations simultaneously so that driving shaft 131 is able to relative bonding with driven shaft 14; Again, as Fig. 2 and shown in Figure 4, its driving shaft 131 is to be formed with first press face 132 and second press face 141 that is half-sectioned on its axis body that docks mutually respectively with driven shaft 14, and be arranged with one around coil spring 16 in the middle section of its block set 15, should be around coil spring 16 and be formed with the interlock section 161 that can stretch into 141 of first press face 132 and second press faces respectively, this interlock section 161 directly by around the two ends of coil spring 15 directly towards the center of spring bending forming, and be that mode towards second press face 141 of driven shaft 14 disposes around the rotation direction of coil spring 15.

According to this, as shown in Figure 5, when driving shaft 131 rotates because main turntable 13 is subjected to the drawing of main stay cord, no matter it is to rotate in clockwise or counterclockwise mode, first press face 132 of its driving shaft 131 can be along the rotation direction around coil spring 16, rotate and drive around coil spring 16, and with after second press face 141 of driven shaft 14 contacts, can promote driven shaft 14 rotates, again by the secondary dial rotation in the secondary reel of couple axle 3 drives in driven shaft 14 axle center, draw secondary stay cord action in the time of at last by secondary dial rotation, and the curtain body of roller shutter is taken to suitable position by moving of secondary stay cord.

Otherwise, when rotating with clockwise or counterclockwise direction because being subjected to the effect of external force when driven shaft 14, as shown in Figure 6, second pressure section 141 of driven shaft 14 can press against the interlock section 161 of wind spring 16 in advance at this moment, and interlock section 161 promoted towards revolving in the opposite direction with wind spring 16, act on and can't rotate and wind spring 16 outer Zhang Bingyu block sets 15 formation one locks are pulled, and limiting driven shaft simultaneously is rotated further, use and effectively to limit driven shaft 14 reverses, to keep the location of curtain body really, glide because of the effect of weight or external force to prevent roller shutter.

Moreover, as shown in Figures 2 and 3, the opening part of master file seat 1 and the accommodation chamber 111,211 of the pedestal 11,21 of secondary coil rest 2 is provided with one all in addition can make side cover 12,22 in the dismounting combination so that the assembling and the maintenance of inner member are replaced, especially as shown in Figure 3, it can be equiped with bearing 24 at the axis body place, secondary rotating disk 23 two ends of secondary reel 2 in addition so that keep the smooth and easy of secondary rotating disk 23 rotations, and can reduce because the wearing and tearing that cause in the weight countershaft place of curtain body.As shown in Figure 7, wherein, reverse clamping structure of the present utility model promptly can be applicable to similar accompanying drawing the sky window blind 4 structure in, wherein each curtain body 41 of day window blind 4 is to be mode independently to piece together mutually and be abutted against continuous and surround the structure of a heavy curtain shape, and each curtain body 41 is to assemble binding by the roller mount 411 at two ends mutually with track 42, and the secondary coil rest 2 in the utility model promptly is located at the two ends of track 42, its secondary stay cord 25 then is arranged in the track 42 in order to draw each roller mount 411 and then pulling curtain body 41, side as for 1 located therein one secondary coil rest 2 of its master file seat, with when the main stay cord 17 of pulling master file seat 1, can drive each secondary coil rest 2 action simultaneously, and then mode spurs curtain body 41 actions of day window blind 4 very easily, and really curtain body 41 is located in position.

The reverse clamping and drawing device of roller shutter of the present utility model is by being formed with a driving shaft in main turntable one side, and is arranged with a driven shaft in addition in a side of driving shaft, and is provided with a usefulness so that driving shaft and driven shaft are able to the block set of relative bonding; Again, be arranged with one around coil spring in the middle section of its block set, should be second press face around the rotation direction of coil spring towards driven shaft, when rotating with the effect that is subjected to external force when driven shaft, this moment, wind spring can be revolved promotion in the opposite direction earlier in second pressure section of driven shaft, and make outside the wind spring Zhang Bingyu block set form a lock effect of pulling and can't rotate, limiting driven shaft again simultaneously is rotated further, use and effectively to limit the driven shaft reverse, to keep the location of curtain body really, glide because of the effect of weight or external force to prevent roller shutter, another preferable feasible mode of reverse clamping and drawing device of roller shutter is provided, offer the application of novel patent in accordance with the law.

Claims

1, a kind of reverse clamping and drawing device of roller shutter mainly is to constitute a scrolling curtain body by a master file seat and a secondary coil rest; Wherein, master file seat and secondary coil rest are respectively by the pedestal with an accommodation chamber, the pedestal of this accommodation chamber is firm ccontaining main turntable and secondary rotating disk respectively, and be provided with another secondary stay cord and be connected with secondary rotating disk, and on the pedestal of master file seat and secondary coil rest, be provided with corresponding axis hole, other has a power transmission shaft to be linked between master file seat and secondary coil rest via axis hole, it is characterized in that:

Main turntable one side in this master file seat is formed with a driving shaft, is connected with power transmission shaft and be arranged with a driven shaft in addition in a side of driving shaft, is provided with a block set in the pedestal accommodation chamber of master file seat in addition, and driving shaft and driven shaft relative bonding are in this block set; Again, this driving shaft is to be formed with first press face and second press face that is half-sectioned on its axis body that docks mutually respectively with driven shaft, and be arranged with one around coil spring in the middle section of its block set, should and be formed with the interlock section that can stretch between first press face and second press face respectively around coil spring, should be again second press face towards driven shaft around the rotation direction of coil spring.

2, according to the reverse clamping and drawing device of the described roller shutter of claim 1, it is characterized in that: the axis body place, secondary rotating disk two ends of this pair reel is equiped with bearing in addition.

3, according to the reverse clamping and drawing device of claim 1 or 2 described roller shutters, it is characterized in that: but this main turntable place cooperates the main stay cord that is provided with drawing main turntable rotation.

4, according to the reverse clamping and drawing device of the described roller shutter of claim 3, it is characterized in that: each curtain body of this roller shutter is to be independently mode to piece together mutually and be abutted against continuous and surround a heavy curtain shape, and each curtain body is to assemble binding by the roller mount at two ends mutually with track, this pair coil rest promptly is located at the two ends of track, this pair stay cord then is arranged in the track and with roller mount and is connected, a side of this master file seat secondary coil rest then located therein.

5, according to the reverse clamping and drawing device of the described roller shutter of claim 3, it is characterized in that: between this main stay cord and main turntable, and between secondary stay cord and secondary rotating disk, be to drive mutually with the structure of chain pearl and pearl dish respectively.

6, according to the reverse clamping and drawing device of the described roller shutter of claim 5, it is characterized in that: the both sides of each chain pearl of this pair stay cord have extended to form auxiliary pin, and the auxiliary pin of the both sides of this chain pearl is held in the inwall of track.