JP2022072467A - Winding device for blind - Google Patents

Abstract

To provide a winding device for blind capable of smoothly winding a lifting cord onto a lifting drum.SOLUTION: A winding device for a blind, including a lifting drum 162 that winds and unwinds a lifting cord 140 in a head box 110, is featured to include a first holding portion 166a that restrains a raise of a first portion 140a wound around the lifting drum 162 of the lifting cord 140, and a second holding portion 166b that restrains a raise of a second portion 140b led from the lifting drum 162 to the bottom of the head box 110. Therefore, the different holding portions of the lifting cord in different states suppress the different portions of the lifting cord respectively. Thus, even if a slack position of the lifting cord changes due to different lifting cord routing paths, the slack in the lifting cord can be suppressed and the operation of winding the lifting cord onto the lifting drum can be performed smoothly.SELECTED DRAWING: Figure 5

Description

The present invention relates to a winder for blinds.

As a conventional blind winding device, there is one shown in Japanese Patent Publication No. 5-45195 (Patent Document 1). The document discloses that an elastic holding plate is provided that comes into contact with the elevating cord wound on the take-up drum and presses the elevating cord against the take-up drum. According to this configuration, since the elevating cord wound on the take-up drum is pressed by the holding plate, even if the elevating cord loses tension and loosens, the already wound part does not loosen and the elevating cords are not loosened. Has the effect of preventing overlapping.

Jikkenhei 5-45195 Gazette

By the way, the holding plate is provided on the upper part of the take-up drum according to the path arranged so as to be led out from the opening of the drum receiver. However, if the distribution path of the elevating cord is different, the slack position of the elevating cord changes, and there is a problem that the winding operation of the elevating cord cannot be smoothly performed.

Therefore, the present invention has been made in view of such a problem, and an object of the present invention is to provide a blind winding device capable of smoothly winding an elevating cord to an elevating drum. It is in.

In order to solve the above problems, according to the present invention, the blind winding device is provided with an elevating drum for winding and unwinding the elevating cord in a head box, and the elevating cord is wound around the elevating drum. It is provided with a first holding portion for suppressing the lifting of the first portion taken, and a second holding portion for suppressing the lifting of the second portion guided from the elevating drum to the lower side of the head box. A featured blind winder is provided.

According to such a configuration, by providing the first pressing portion that suppresses the lifting of the first portion and the second pressing portion that suppresses the lifting of the second portion, the portions of the elevating cords in different states can be provided. Different pressing parts suppress each. Therefore, even if the distribution path of the elevating cord is different and the slack position of the elevating cord is changed, the operation of suppressing the slack of the elevating cord and winding the elevating cord around the elevating drum can be smoothly performed.

The present invention has various applications. For example, the first pressing portion may be formed along at least a part of the first portion, and the second pressing portion may be formed at a position separated from the second portion. .. According to such a configuration, the first pressing portion is formed along at least a part of the first portion, and the second pressing portion is formed at a position separated from the second portion, so that the slat width is different. It is possible to suppress the slackening of the elevating cord with common parts even for the distribution of the elevating cord.

Further, the second holding portion may be provided below the axis of the elevating drum. According to this configuration, since the second pressing portion is provided below the axis of the elevating drum, the elevating cord is lifted (slackened) by the second pressing portion before the elevating drum starts winding the elevating cord. Is suppressed, and it is possible to prevent the elevating cords from overlapping and being wound up.

The first holding portion and the second holding portion are connected by a connecting portion, and the connecting portion is separated from the elevating drum by a straight line connecting the first holding portion and the second holding portion. It may be formed. According to such a configuration, it is difficult for the elevating cord to come into contact with the connecting portion and hinder the movement of the elevating cord, so that it is possible to prevent malfunction of the elevating cord and reduce the operation load.

According to the blind winding device of the present invention, the operation of winding the elevating cord to the elevating drum can be smoothly performed. Other effects of the present invention will also be described in the embodiments for carrying out the invention described later.

It is a front view which shows the whole structure of a blind 100. It is a partial cross-sectional view in the head box 110. It is a perspective view of the rotary drum device 150 and the elevating drum device 160. It is an exploded perspective view for demonstrating the rotary drum device 150 and the elevating drum device 160, (a) is a view seen from above, and (b) is a view seen from below. It is a figure for demonstrating the rotary drum device 150 and the elevating drum device 160, (a) is a sectional view taken along the line AA of FIG. 2, and (b) is a rotary drum device 150 arranged in the center of a head box 110. It is a cross-sectional view of the elevating drum device 160. It is sectional drawing of the cord holding 166. It is a figure for demonstrating the attachment procedure of the elevating drum device 160 to the head box 110, (a) is a figure which shows the state which attaches the elevating drum receiver 164 to the head box 110, and (b) is a figure which shows the state which attaches to the head box 110. It is a figure which shows the state which attached the elevating drum receiver 164, (c) is a figure which shows the state which the elevating drum 162 is attached to the elevating drum receiver 164, and (d) is the figure which attaches the cord retainer 166 to the elevating drum receiver 164. It is a figure which shows the state, (e) is the figure which shows the state which attached to the cord presser 166 to the elevating drum receiver 164. It is sectional drawing which shows the state which the floating occurred in the 2nd part 140b of the elevating cord 140. It is a figure which shows the installation range of the 2nd holding part 166b which can suppress the lifting of the 2nd part 140b of the elevating cord 140. It is a figure which shows the state which the elevating cord 140 is wound around the elevating drum 162 when the width of a slat is 25 mm, (a) is the cross-sectional view of AA of FIG. 2, and (b) is a head box 110. It is sectional drawing of the rotary drum device 150 and the elevating drum device 160 arranged in the center of.

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the present specification and the drawings, components having substantially the same functional configuration are designated by the same reference numerals, so that duplicate description will be omitted.

The configuration of the blind 100 according to the embodiment of the present invention will be described with reference to FIG. FIG. 1 is a front view showing the overall configuration of the blind 100. The blind 100 includes a head box 110, a ladder cord 130 that hangs from the head box 110 and supports a plurality of slats 120 in an aligned state, and an elevating cord 140 that hangs from the head box 110 and raises and lowers the plurality of slats 120. Has. The head box 110 includes a rotary drum device 150 that suspends and supports the ladder cord 130, and an elevating drum device 160 that elevates and elevates the elevating cord 140. The rotary drum device 150 and the elevating drum device 160 constitute a blind winding device. Hereinafter, the configuration of each part of the blind 100 will be described.

(Headbox 110)
As shown in FIG. 1, the head box 110 is fixed to a window frame or the like (not shown) by a bracket 111. The head box 110 is provided with a rotary shaft 112 that operates the rotary drum device 150 over the entire length in the longitudinal direction and a lift shaft 113 that operates the lift drum device 160 so as to be rotatable. The rotating shaft 112 and the elevating shaft 113 are arranged side by side in the vertical direction. One end of the rotating shaft 112 and the elevating shaft 113 is connected to an operation unit 170 provided at one end of the head box 110. Further, a brake 180 and a stopper 190 provided at the other end of the head box 110 are connected to the other end of the elevating shaft 113.

(Operation unit 170)
As shown in FIG. 1, the operation unit 170 is provided at one end of the head box 110, and an operation rod 172 for operating the rotation of the rotation shaft 112 hangs down. A grip 174 for rotating the operation rod 172 is provided at the lower end of the operation rod 172. Further, an operation code 176 for operating the rotation of the elevating shaft 113 hangs down from the operation unit 170. The operation cord 176 is inserted in the operation rod 172 in the axial direction, and a cord stopper 178 is provided at the tip thereof. The cord stopper 178 abuts on the lower end of the grip 174 to restrict further elevation of the operation cord 176 and can be gripped and operated when operating the operation cord 176.

(Brake 180 and Stopper 190)
As shown in FIG. 1, the brake 180 and the stopper 190 are provided at the other end of the head box 110. An elevating shaft 113 is inserted and connected to the brake 180 and the stopper 190. The brake 180 applies a braking force to the rotation of the elevating shaft 113 to reduce the descending speed of the slat 120, which will be described later. Further, the stopper 190 restrains the rotation of the elevating shaft 113 and stops the elevating and lowering of the slat 120.

(Ladder code 130)
The ladder code 130 hangs down from a rotary drum device 150 arranged in the headbox 110, and supports a plurality of slats 120 in an aligned state. The lower end of the ladder cord 130 is connected to the bottom rail 122 arranged below the slats 120 located at the lowest stage by the ladder holder 132. The ladder code 130 rotates the slats 120 by tilting due to the operation of the rotary drum device 150.

(Elevating code 140)
The elevating cord 140 raises and lowers a plurality of slats 120. The elevating cord 140 hangs down from the elevating drum device 160 arranged in the head box 110, passes in front of or behind the plurality of slats 120, and is connected to the bottom rail 122 by the rudder holder 132. The slat 120 is raised and lowered by raising or lowering the raising or lowering cord 140 by the operation of the raising and lowering drum device 160.

The rotary drum device 150 and the elevating drum device 160 will be described with reference to FIGS. 2 to 4. FIG. 2 is a partial cross-sectional view of the inside of the head box 110. FIG. 3 is a perspective view of the rotary drum device 150 and the elevating drum device 160. FIG. 4 is a diagram for explaining the rotary drum device 150 and the elevating drum device 160. As shown in FIGS. 2 and 3, the rotary drum device 150 and the elevating drum device 160 are vertically arranged in the head box 110 so that the elevating drum 162 is arranged above the rotary drum 152.

(Rotating drum device 150)
As shown in FIG. 2, the rotary drum device 150 has a rotary drum 152 to which the upper end of the ladder cord 130 is connected and an opening 110a formed at the bottom of the head box 110 that rotatably supports the rotary drum 152. A rotating drum receiver 154, which is fitted and fixed to the above, is provided.

As shown in FIG. 3, the rotating drum 152 penetrates the rotating drum 152 so as to rotate integrally. As shown in FIG. 4, a guide roller 200 for guiding the movement of the elevating cord 140 led out from the elevating drum device 160 is arranged in the rotating drum receiver 154. As shown in FIG. 4A, the rotary drum receiver 154 is formed with an arcuate first guide roller receiver 154a and a second guide roller receiver 154b that rotatably support the guide roller 200.

The first guide roller receiver 154a is formed at a position closer to the rotary drum 152 than the second guide roller receiver 154b. The first guide roller receiver 154a supports the guide roller 200 when a slat 120 having a width of 25 mm is used. Further, the second guide roller receiver 154b supports the guide roller 200 when a slat 120 having a width of 35 mm is used. As shown in FIG. 4B, the bottom of the rotary drum receiver 154 is provided with a plurality of insertion holes 154c, 154d, and 154e through which the ladder cord 130 and the elevating cord 140 pass.

The first insertion hole 154c is formed at a position closer to the rotary drum 152 than the second insertion hole 154d. The first insertion hole 154c is an insertion hole through which the elevating cord 140 is inserted when a slats having a width of 25 mm are used. The second insertion hole 154d is an insertion hole through which the elevating cord 140 is inserted when a slat having a width of 35 mm is used. Two third insertion holes 154e are arranged side by side between the first insertion hole 154c and the second insertion hole 154d, and the ladder code 130 is inserted therethrough.

(Elevating drum device 160)
As shown in FIG. 2, the elevating drum device 160 includes an elevating drum 162 to which the upper end of the elevating cord 140 is connected, an elevating drum receiver 164 that rotatably supports the elevating drum 162 and fixes it to the head box 110. A cord retainer 166 is provided to prevent the elevating cord 140 from rising. The elevating cord 140 is connected to one end of the elevating drum 162.

As shown in FIG. 3, the elevating drum 162 has a long cylindrical shape, and the elevating shaft 113 penetrates so as to rotate integrally. As shown in FIGS. 3 and 4, the elevating drum receiver 164 is formed in a U-shaped cross section with an open upper portion, and the elevating drum 162 is housed in an internal space. An open portion 164a is formed at one end of the bottom portion of the elevating drum receiver 164, and the rotary drum receiver 154 can be accommodated in the elevating drum receiver 164 via the open portion 164a. At one end of the side portion of the elevating drum receiver 164, a locking hole 164b is formed in which the locking portion 166d of the cord retainer 166, which will be described later, is inserted and locked.

The cord presser 166, which is a characteristic configuration of the present embodiment, will be described with reference to FIGS. 5 and 6 in addition to FIGS. 2 to 4. FIG. 5 is a diagram for explaining the rotary drum device 150 and the elevating drum device 160. FIG. 6 is a cross-sectional view of the cord retainer 166. As shown in FIG. 5, the cord retainer 166 has a first portion 140a wound around the elevating drum 162 of the elevating cord 140 and a second portion 140b guided from the elevating drum 162 to the lower side of the head box 110. It is for suppressing the floating.

As shown in FIG. 2, the cord retainer 166 is arranged at one end of the elevating cord 140 introduced in the head box 110, which is a portion at the beginning of winding on the elevating drum 162. As shown in FIGS. 4 and 5, the cord presser 166 includes a first presser portion 166a that suppresses the lift of the first portion 140a, and a second presser portion 166b that suppresses the lift of the second portion 140b. It is configured to include a connecting portion 166c for connecting the first pressing portion 166a and the second pressing portion 166b, and a locking portion 166d for locking the cord pressing portion 166 to the elevating drum receiver 164.

As shown in FIG. 5, the first holding portion 166a is formed in a cross-sectional arc shape along at least a part of the first portion 140a. The second holding portion 166b is formed at a position separated from the second portion 140b, and is provided below the axis of the elevating drum 162. The second pressing portion 166b is both ends of the cord pressing portion 166.

As shown in FIG. 5, the connecting portion 166c is configured to be arranged at a position separated from the elevating cord 140 by the first pressing portion 166a and the second pressing portion 166b. As shown in FIG. 6, the connecting portion 166c has a substantially shape in cross section protruding from the straight line a connecting the first pressing portion 166a and the second pressing portion 166b in a direction away from the elevating drum 162. With such a configuration, the elevating cord 140 is a non-contact portion of the connecting portion 166c in which contact is avoided during normal elevating operation.

The locking portion 166d is formed adjacent to the second holding portion 166b. The locking portion 166d extends further downward than the second holding portion 166b, and protrudes in the left-right direction from the second holding portion 166b. As shown in FIG. 3, the locking portion 166d is attached to the elevating drum receiver 164 by inserting it into the locking hole 164b of the elevating drum receiver 164 and locking it.

A state in which the rotary drum device 150 and the elevating drum device 160 are fixed to the head box 110 will be described with reference to FIG. In this embodiment, a slat 120 having a width of 35 mm is used.

First, the rotary drum device 150 will be described. At the end of the headbox 110, as shown in FIG. 5A, the rotary drum device 150 is fixed so that the guide roller 200 is arranged on the rear side. Further, in the center of the head box 110, as shown in FIG. 5B, the rotary drum device 150 is fixed so that the guide roller 200 is arranged on the front side. The upper end of the ladder cord 130 is connected to the rotating drum 152.

Next, the elevating drum device 160 will be described. At the end of the headbox 110, as shown in FIG. 5A, in the elevating drum device 160, the elevating cord 140 wound around the elevating drum 162 is located diagonally from the rear side of the elevating drum 162 to the lower side. It is guided to the head box 110 through the second insertion hole 154d via the guide roller 200.

In the first portion 140a of the elevating cord 140 wound around the elevating drum 162, the first pressing portion 166a of the cord pressing 166 covers the upper part, and the lifting is suppressed. Further, in the second portion 140b of the elevating cord 140 guided diagonally from the rear of the elevating drum 162 to the lower side on the rear side, the second pressing portion 166b of the cord pressing 166 is arranged at the rear to suppress the lifting. .. Since the second portion 140b guided from the elevating drum 162 to the lower side of the head box 110 does not come into contact with the connecting portion 166c, the friction of the elevating cord 140 is suppressed.

In the center of the headbox 110, as shown in FIG. 5B, in the elevating drum device 160, the elevating cord 140 is guided from the rear side to the front side of the elevating drum 162 and is secondly inserted via the guide roller 200. It is led out from the head box 110 through the hole 154d.

The procedure for attaching the elevating drum 162 to the head box 110 will be described with reference to FIG. 7. FIG. 7 is a diagram for explaining a procedure for attaching the elevating drum device 160 to the head box 110.

First, as shown in FIG. 7A, the open portion 164a of the elevating drum receiver 164 is arranged so as to overlap the position of the rotary drum device 150. Then, only the elevating drum receiver 164 is moved from above the rotary drum device 150 so as to be placed on the bottom of the head box 110 as shown by the arrow b.

As shown in FIG. 7B, when the bottom of the elevating drum receiver 164 is placed on the bottom of the head box 110, the rotary drum device 150 is housed inside the elevating drum receiver 164, and the elevating drum receiver 164 is a rotating drum device. It is fixed at 150.

As shown in FIG. 7 (c), the elevating drum 162 to which the elevating cord 140 is attached is assembled to the elevating drum receiver 164.

As shown in FIG. 7D, the cord retainer 166 is moved from above the elevating drum 162 so as to cover the upper part of the elevating drum 162 as shown by the arrow c.

As shown in FIG. 7 (e), the cord retainer 166 is connected to the elevating drum receiver 164 as described above. Therefore, the first pressing portion 166a of the cord pressing 166 sandwiches the portion of the elevating cord 140 around the elevating drum 162 at the beginning of winding with the elevating drum 162 to prevent the cord pressing 166 from floating. Further, the second holding portion 166b is arranged behind the rear side of the elevating cord 140 to prevent the elevating cord 140 being guided downward on the rear side of the elevating drum 162.

The configuration of the blind 100 has been described above. Hereinafter, the operation of the cord presser 166 will be described with reference to FIG. FIG. 8 is a cross-sectional view showing a state in which the second portion 140b of the elevating cord 140 is lifted.

When the elevating cord 140 is wound around the elevating drum 162 and the second portion 140b is lifted, the second portion 140b hits the second pressing portion 166b of the cord pressing 166 as shown in FIG. Contact. Therefore, the second portion 140b is restricted from further floating.

Next, the installation range of the second pressing portion 166b in which the cord pressing 166 can suppress the lifting of the second portion 140b of the elevating cord 140 will be described with reference to FIG. FIG. 9 is a diagram showing an installation range of a second pressing portion 166b capable of suppressing the lifting of the second portion 140b of the elevating cord 140.

The cord retainer 166 is a position where the position d of the apex of the abbreviation of the connecting portion 166c does not come into contact with the elevating cord 140 in the front-rear direction. Further, in the front-rear direction, if the second pressing portion 166b is arranged behind the position e where the elevating cord 140 is guided by the guide roller 200, the elevating cord 140 cannot be suppressed from being lifted. Therefore, the second pressing portion 166b is provided between the position d and the position e.

Further, if the position d of the apex of the abbreviation of the connecting portion 166c is above this in the vertical direction, the cord presser 166 cannot suppress the lifting and is the upper limit position where the elevating cords 140 overlap each other. Then, the line hanging from the second pressing portion 166b on the surface of the elevating drum 162 side of the cord retainer 166 does not come into contact with the second portion 140b where the position f where the second portion 140b of the elevating cord 140 is in contact is not raised. The lower limit of the position. Therefore, the second pressing portion 166b is provided between the position d and the position f.

As the rotary drum device 150 and the elevating drum device 160 of the present embodiment, the same one can be used even when a slat 120 having a width of 25 mm is used. Hereinafter, the case where the slats 120 having a width of 25 mm are used will be described with reference to FIG. FIG. 10 is a diagram showing a state in which the elevating cord 140 is wound around the elevating drum 162 when the width of the slat 120 is 25 mm.

When the slat 120 having a width of 25 mm is used, the arrangement of the rotary drum device 150 is reversed from the case where the slat 120 has a width of 35 mm. That is, at the end of the head box 110, as shown in FIG. 10A, the first guide roller receiver 154a is arranged so as to be on the rear side, and the guide roller 200 is supported by the first guide roller receiver 154a. Let me.

Since the guide roller 200 is arranged closer to the rotary drum 152 than when the width of the slat 120 is 35 mm, the second portion 140b of the elevating cord 140 is guided closer to the rotary drum 152. Therefore, the distance between the second pressing portion 166b and the second portion 140b is larger than that in the case where the width of the slat 120 is 35 mm. Therefore, when the elevating cord 140 is not lifted, the elevating cord 140 and the second pressing portion 166b do not come into contact with each other. The elevating cord 140 is led out from the head box 110 through the first insertion hole 154c via the guide roller 200.

Further, in the center of the head box 110, as shown in FIG. 10B, the first guide roller receiver 154a is arranged so as to be on the front side, and the guide roller 200 is supported by the first guide roller receiver 154a. The elevating cord 140 is guided from the rear side to the front side of the elevating drum 162, is inserted through the first insertion hole 154c via the guide roller 200, and is led out from the head box 110.

(Effect of this embodiment)
As described above, according to the present embodiment, the first holding portion 166a for suppressing the lifting of the first portion 140a and the second holding portion 166b for suppressing the lifting of the second portion 140b are provided. As a result, the different holding portions 166a and 166b suppress the portions 140a and 140b of the elevating cord 140 in different states, respectively. Therefore, even if the distribution path of the elevating cord 140 is different and the slack position of the elevating cord 140 changes, the operation of suppressing the slack of the elevating cord 140 and smoothly winding the elevating cord 140 around the elevating drum 162 can be performed. can.

Further, since the first pressing portion 166a is formed along at least a part of the first portion 140a and the second pressing portion 166b is formed at a position separated from the second portion 140b, different slat widths are formed. With respect to the distribution of the elevating cord 140, it is possible to suppress the slackening of the elevating cord 140 with common parts.

Further, since the second pressing portion 166b is provided below the axis of the elevating drum 162, the elevating cord 140 is lifted by the second pressing portion 166b before the elevating drum 162 starts winding the elevating cord 140. (Slack) is suppressed, and it is possible to prevent the elevating cords 140 from overlapping and being wound up.

Further, since the elevating cord 140 does not easily come into contact with the connecting portion 166c and does not easily hinder the movement of the elevating cord 140, it is possible to prevent malfunction of the elevating cord 140 and reduce the operation load.

Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, it goes without saying that the present invention is not limited to such examples. It is clear that a person skilled in the art can come up with various modifications or modifications within the scope of the claims, which naturally belong to the technical scope of the present invention. Understood.

For example, in the above embodiment, the first pressing portion 166a is formed along at least a part of the first portion 140a, and the second pressing portion 166b is formed at a position separated from the second portion 140b. Although the examples given have been described, the present invention is not limited thereto. Even if the distribution path of the elevating cord is different, the shape of the first holding part and the second holding part can be arbitrarily designed as long as the slack of the elevating cord can be suppressed and the elevating cord can be smoothly wound around the elevating drum. Can be.

Further, in the above embodiment, an example in which the second pressing portion 166b is provided below the axis of the elevating drum 162 has been described, but the present invention is not limited thereto. Even if the distribution path of the elevating cord is different, if the slack of the elevating cord can be suppressed and the elevating cord can be smoothly wound up on the elevating drum, the second holding portion may be located at the same position as the axis of the elevating drum 162. It may be provided above the axis.

Further, in the above embodiment, the first pressing portion 166a and the second pressing portion 166b are connected by the connecting portion 166c, and the connecting portion 166c is more than a straight line connecting the first pressing portion 166a and the second pressing portion 166b. Although configured to be separated from the elevating drum 162, the present invention is not limited to this example. Any design can be used as long as the slack of the elevating cord can be suppressed and the elevating cord can be smoothly wound around the elevating drum. For example, the connecting portion may be configured by a straight line connecting the first pressing portion and the second pressing portion, or may be configured without the connecting portion. Further, in the above embodiment, an example in which the connecting portion 166c is formed in an abbreviated shape has been described, but any design can be used as long as it is possible to prevent malfunction of the lifting cord and reduce the operation load. For example, the connecting portion may be arcuate or U-shaped.

The above-described embodiment, application example, and modification can be implemented in any combination.

100 Blind 110 Headbox 110a Opening 112 Rotating shaft 113 Lifting shaft 120 Slat 122 Bottom rail 130 Ladder code 132 Ladder holder 140 Lifting code 140a First part 140b Second part 150 Rotating drum device 152 Rotating drum 154 Rotating drum receiver 154a 1 Guide roller receiver 154b 2nd guide roller receiver 154c 1st insertion hole 154d 2nd insertion hole 154e 3rd insertion hole 160 Elevating drum device 162 Elevating drum 164 Elevating drum receiver 164a Opening part 164b Locking hole 166 Cord retainer 166a 1st retainer Part 166b Second holding part 166c Connecting part 166d Locking part 170 Operation unit 172 Operation rod 174 Grip 176 Operation code 178 Code stop 180 Brake 190 Stopper 200 Guide roller

Claims (4)

A blind winding device equipped with an elevating drum for winding and unwinding the elevating cord in the head box.
A first pressing portion that suppresses the lifting of the first portion wound around the elevating drum of the elevating cord, and a first holding portion.
A second holding portion that suppresses the lifting of the second portion guided from the elevating drum to the lower side of the head box, and
A winder for blinds, which is characterized by being equipped with. The first holding portion is formed so as to be along at least a part of the first portion.
The blind winding device according to claim 1, wherein the second holding portion is formed at a position separated from the second portion. The blind winding device according to claim 2, wherein the second holding portion is provided below the axis of the elevating drum. The first pressing portion and the second pressing portion are connected by a connecting portion.
The blind winding according to claim 2 or 3, wherein the connecting portion is formed so as to be separated from the elevating drum by a straight line connecting the first pressing portion and the second pressing portion. Device.

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