KR200266346Y1 - hoist device for blind - Google Patents

Abstract

As the pulling line is pulled, the lifting line is wound on the reel installed by the number corresponding to the lifting line which binds the light shield plate of the blind in the up and down direction so that the lifting line is easily lifted. In each of the winding device for forming a blind having a drive unit and a follower to rotatably support both ends of the rotating shaft to rotate in accordance with the traction of the traction rope, the fixing hole (1) is penetrated and the coupling groove (2) It is fixed to the coupling groove 2 by an open first body 3 and a fixed shaft 6 which rotatably receives the driving pulley 5 on which the tow line 4 is wound and is coupled to the fixing hole 1. Sliding coupling to the cover (7) and the second body (9), one end of which is fixed to the fixed shaft (6) and the other end of the rotating shaft (8) which is rotated when the tow (4) is to be fixed, and the rail (R) And the lifting line 11 of the blind 10 to pass through A housing 12 having a cutout portion 12a formed in the longitudinal direction at the lower side thereof, and a coupling hole 13 through which the rotating shaft 8 penetrates are formed, and a reel 14 on which the lifting line 11 is wound slides left and right. It is movably coupled and has a rotating shaft 15 for winding rotatably fixed to the housing 12.

Description

Winding device for blinds {hoist device for blind}

According to the present invention, the lifting ropes are wound on a plurality of reels rotatably installed in numbers corresponding to the lifting ropes that bind the light shield plate of the blinds in the vertical direction as the pulling wires for the blind lifting wheels are pulled, so that even when the blinds are heavy bodies, The present invention relates to a winding device for a blind that can be easily lifted by force.

More specifically, as the reel is rotated while the reel is bound up and down along the rotating shaft rotating by pulling the tow line, the reel is rotated and moved in the left and right direction, so the elevator line is evenly distributed over the entire length of the reel. It relates to a winding device for winding.

As shown in FIG. 1, the winding device for the blind according to the prior art binds the light shielding plate A by maintaining the same interval in the vertical direction by the weaving line BCD, and through holes formed in the light shielding plate A ( The pressure roller from the fixed roller (H) fixed to the window frame (J) is pulled in the vertical direction by pulling the tow line (F, G) bound to pass the A and B in the vertical direction. (I) is spaced apart and the braking state of the tow line (F, G) is released, so the light blocking plate (A) is to be raised and folded up, and to pull the tow line (F, G) in the lateral direction to press roller against the fixed roller (H) As the (I) is spaced apart, the braking force of the traction lines (F, G) is released, and the blind (A) is lowered by its own weight.

Reference numeral AA is a rotation lever for adjusting the shielding angle of the light shielding plate (A) according to the rotation, R1, R2 is an idler that is installed to rotate the window frame (J) to support the tow line (F, G).

However, in the winding device for the blind as described above, when pulling the above-mentioned tow line (F, G) to lift the above-mentioned blind (A) passes through the above-mentioned idler (R1, R2) and the fixed roller (H). As the tension force in the vertical direction → the tension force in the horizontal direction → the tension force in the vertical direction acts in turn on the traction line (F, G), the lift drive of the blind A is not smooth, There is a problem that is inconvenient to use.

In addition, when repeating the operation to pull the pull lines (F, G) in order to raise and lower the above-mentioned blind (A), when used for a long period of time, the fixed roller (H) and the pressing pin (I) is fixed to a large As the load is applied, there is a problem that the parts are replaced after the blind A is separated from the window frame J in order to replace them due to wear and frequent breakage of these parts.

Accordingly, an object of the present invention is to raise and lower the blind easily with a small force by pulling the lifting rope which binds the light shield plate in the up and down direction with respect to the reel mounted on the rotating shaft rotating when pulling the tow line It is to provide a winding device for a blind to provide.

Another object of the present invention is to provide a winding device that can be used semi-permanently by reducing the cost cost by preventing the wear and damage of the components for lifting and lifting because the heavy load does not occur in the corresponding parts for lifting the lifting .

1 is a schematic diagram of a winding device for a blind according to the prior art,

Figure 2 is an exploded perspective view of the driving unit and the follower in the winding device for winding according to an embodiment of the present invention,

Figure 3 is an exploded perspective view of the rotating part in the winding device for winding according to an embodiment of the present invention,

Figure 4 is a cross-sectional view of the drive unit in the winding device for the blind according to an embodiment of the present invention,

5 is a cross-sectional view of the follower in the winding device for winding according to an embodiment of the present invention,

Figure 6 is a state of use of the rotating part in the winding device for winding according to an embodiment of the present invention,

Figure 7 is a state of use of the winding device for the blind according to an embodiment of the present invention.

* Explanation of symbols used in the main part of the drawing

One; Fixing hole 2; Combined groove

3; First body 4; Tow line

5; Drive pulley 6; Fixed shaft

7; Cover 8; Axis of rotation

9; Second body 10; BIND

11; Hoist 12; housing

13; Coupling groove 14; reel

15; Rotary shaft 21 for winding; Joining piece

The object of the present invention described above, in the winding device for the blind having a coupling part and a driving part for rotatably fixing both ends of the rotating shaft rotated in accordance with the traction of the traction rope, respectively, the engaging pieces are formed at both ends of the rail The fixing hole 1 is rotatably accommodated by the first body 3 through which the fixing hole 1 is passed and the lower side of the coupling groove 2 is opened, and the driving pulley 5 to which the traction line 4 is wound. The lid 7 fixed to the coupling groove 2 by the fixed shaft 6 coupled to the other end, and the other end of the rotary shaft 8 is fixed to the fixed shaft 6 and rotated when the tow 4 is pulled out. A second body 9 to be fixed, a housing 12 having a cutout portion 12a formed in the longitudinal direction at the lower side so as to slide to the rail R, and the lifting rope 11 of the blind 10 passes therethrough; A coupling hole 13 through which the 8 passes is formed, and the reel 14 to which the lifting line 11 is wound slides in the left and right directions. Is coupled, it is achieved by a winding device for a blind comprising: a winding axis of rotation 15, which is rotatably fixed to the housing 12 to provide.

According to a preferred embodiment, an annular locking jaw 6b is formed on the outer circumference of the first fixed shaft 6 to prevent it from being separated from the fixing hole 1, and the housing (at the end of the rotating shaft 15 for winding) is formed. 12) is formed an annular locking step (15a) to prevent the departure from.

According to a preferred embodiment, annular engaging portions 15b and 15c are formed on the left and right sides of the winding rotation shaft 15 so that the above-described winding rotation shaft 15 may rotate in close contact with the left and right ends of the housing 12.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are intended to be described in detail to be easily carried out by those skilled in the art to which the present invention belongs, and thus It does not mean that the technical spirit and scope of the invention is limited.

As shown in Figs. 2 to 7, each of the coupling pieces slidingly coupled to both ends of the rail is formed, the winding for the blind having a driving part and the follower for rotatably fixing both ends of the rotating shaft which rotates in accordance with the pull of the traction cord Applies to the device.

Accordingly, in the winding device for a blind according to the preferred embodiment, the coupling piece 21 through which the fixing hole 1 penetrates, the lower side of the coupling groove 2 is opened, and fits into the coupling groove of one end of the rail R is one. A cover body 7 having one side open to rotatably receive the first body 3 formed on the side, the drive pulley 5 on which the tow line 4 is wound, and a cover body containing the drive pulley 5. (7) is coupled to the fixing hole (1) to be rotatably fixed to the coupling groove (2), and fixed to the outer periphery of the annular locking jaw (6b) is formed on the outer periphery to prevent the separation from the fixing hole (1) The shaft 6,

The second body 9 formed on one side of the coupling piece 22 coupled to the other end of the rail R and one end thereof are fixed to the fixed shaft 6, and the other end is rotatable to the second body 9. The rotating shaft 8 that is fixed and rotates when the tow 4 is pulled, and the engaging pieces 12b and 12c slidingly coupled to the rail R are formed to face the upper side, and the lifting line 11 of the blind 10 is formed. A housing 12 having a cutout portion 12a formed in the lengthwise direction to pass therethrough,

The engaging groove 13 corresponding to the cross-sectional shape of the rotating shaft 8 described above is penetrated, and annular engaging portions 15b and 15c are formed on both left and right sides so as to be supported and rotated at both ends of the housing 12. The winding shaft 15 is formed at one end with an annular hooking jaw 15a that prevents it from being separated from the housing 12, and the coupling groove 14a corresponding to the cross-sectional shape of the winding shaft 15 is penetrated and pulled out. In accordance with the traction of (4) is provided with a reel (14) for slidably movable in the left and right directions to the rotary shaft (15) for winding the winding rope (11).

At this time, long holes 7a and 7b are formed in the cover 7 so that any one of the rope and the ball chain can be selectively used as the above-mentioned tow line 4.

Reference numeral 6a is an incision formed to allow the locking jaw 6b of the fixed shaft 6 to pass through the fixed hole 1 when the fixed shaft 6 is inserted into the fixed hole 1 of the first body 3. The cutout is formed so that the locking jaw 15a can pass through the fixing hole 12d when the rotating shaft 15 for winding is coupled to the fixing hole 12d of the housing 12, and 23 is the second rotation shaft 8. It is a fixed ring that is coupled to the rotating shaft (8) to prevent separation from the coupling hole (9a) of the body (9).

Hereinafter, a method of using the winding device for winding according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figure 2 to 4, after fitting the fixing piece 21 formed on the side of the first body 3 to one end of the rail (R) installed on the window side of the building, the tow line 4 is The cover body 7 accommodating the driving pulley 5 to be wound is inserted into the coupling groove 2 open downward to the first body 3 by the fixed shaft 6 inserted into the fixing hole 1. Fix it by rotation.

At this time, the locking jaw (6b) formed on the outer periphery of the fixed shaft (6) is the fixing hole (7c) of the lid 7-the fixing hole (5a) of the drive pulley (5)-of the first body (3) It passes through the fixing hole (1) in order to be in close contact with one side of the first body (3) can prevent the separation of the fixed shaft (6) from the first body (3), the tow line (4) The sieve 7 passes through the long hole 7b formed to face the left and right sides.

After sliding the coupling pieces 12b and 12c of the housing 12 to the rail R, the above-described reel 14 to which the lifting rope 11 of the blind 10 is fixed is coupled to the coupling hole 14a. By slidingly coupled to the winding rotation shaft 15 in the left and right directions to secure the winding rotation shaft 15 to the housing 12 rotatably, the locking step (15a) formed at the end of the winding rotation shaft 15 is fixed hole Since 12d passes through the housing 12, the winding shaft 15 may be prevented from being separated from the housing 12.

At this time, since the engaging portions 15b and 15c formed on the left and right sides of the winding rotation shaft 15 are supported at both left and right ends of the housing 12, the winding rotation shaft 15 may rotate about the housing 12.

The second body that is fitted to the other end of the rail (R) by passing through the coupling hole 13 of the rotating shaft 15 for the winding coupled to the housing 12 through one end of the rotating shaft (8) inserted into the fixed shaft (6) It is rotatably coupled to the fixing hole (9a) of the (9), it is possible to prevent the rotation shaft (8) from being separated from the second body (9) by the fixing ring 23 that is coupled to the end of the rotation shaft (8). have.

Therefore, when pulling the pull cord 4 mounted on the above-mentioned driving pulley 5 to the bottom to lift the above-described blind 10, the fixed shaft 6 coupled to the above-mentioned first body 3 is As it rotates, the rotating shaft 8 having both ends fixed to the fixed shaft 6 and the fixing hole 9a of the second body 9 rotates.

Due to this, as the winding rotary shaft 15 integrally coupled to the above-described rotary shaft 8 and rotatably coupled to the housing 12 rotates, and the reel 14 coupled to the rotary shaft 15 for winding rotates, The lifting rope 11 which binds the blind 10 in the up and down direction is wound on the reel 14, so that the lift 10 can be lifted.

As such, the rotary shaft 8 is rotated in accordance with the aforementioned traction of the traction cord 4, and the lifting rope 11 of the blind 10 is wound about the reel 14 that rotates in response to the rotation of the rotation shaft 8. Since the operation of lifting the blind 10 is separated separately, it is possible to easily lift the blind 10 of the weight with little force.

On the other hand, when pulling the above-mentioned tow line 4 to wind the elevating line 11 to the reel 14, the reel 14 is slidably moved in the left and right directions along the outer periphery of the rotary shaft 15 for winding, By winding the string 11 evenly over the entire length of the reel 14, the lifting rope 11 can be prevented from being entangled with the reel 14 when the lift 10 is lifted.

As mentioned above, according to a preferable embodiment, it has the following advantages.

When pulling the traction cord for lifting, the lifting bar which binds the light shield plate in the up and down direction to the reel mounted on the rotating shaft to be wound can be easily lifted with a small force to provide convenience to the user.

In addition, when pulling the traction line is not a large load does not occur in the corresponding parts to elevate the blind to prevent the wear and damage of the components for lifting and lifting the cost cost can be used semi-permanently.

Claims (3)

In the winding device for the blind having a coupling part for slidingly coupled to both ends of the rail, respectively, and a driving part and a follower to rotatably fix both ends of the rotating shaft rotating in accordance with the traction of the traction cord: A first body 3 through which the fixing hole 1 penetrates and the lower side of the coupling groove 2 is opened, and coupled to one end of the rail R; A lid 7 fixed to the coupling groove 2 by a fixed shaft 6 which rotatably receives the driving pulley 5 to which the traction cord 4 is wound and is coupled to the fixing hole 1; A second body (9) having one end fixed to the fixed shaft (6) and the other end of the rotating shaft (8) rotating when the tow (4) is towed and coupled to the other end of the rail (R); A housing (12) slidingly coupled to the rail (R) and having a cutout portion (12a) formed in a longitudinal direction at a lower side thereof so that the lifting line (11) of the blind (10) passes; And A coupling hole 13 through which the rotating shaft 8 penetrates is formed, and a reel 14 to which the lifting line 11 is wound is slidably coupled in left and right directions, and is rotatably fixed to the housing 12. Winding device for the blind, characterized in that it comprises a rotary shaft for winding (15). According to claim 1, An annular locking jaw (6b) is formed on the outer periphery of the first fixed shaft (6) to prevent separation from the fixing hole (1), the end of the winding shaft (15) Binder winding device, characterized in that the annular locking step (15a) is formed to prevent the departure from the housing (12). The hooking portion (15b, 15c) of claim 1 or 2, wherein the winding rotating shaft (15) is in close contact with the left and right ends of the housing (12) so as to rotate on the left and right sides of the winding rotating shaft (15). Winding device for the blind, characterized in that formed.