JPS58189484A - Attachment structure of slat angle adjusting apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field and Purpose This invention relates to a mounting structure for a slat angle adjustment device on a blind, and its purpose is to easily attach the slat angle adjustment device to the head of the blind. Provides mounting structure.

EXAMPLE Hereinafter, an embodiment embodying the present invention will be explained with reference to the drawings. 1 is a sliding window composed of blind sashes, and each sash 2 has a double-glazed window. A blind 3 is suspended between them.

In this blind 3, a large number of slats 4 are supported by two ladder cords 5, as shown in FIGS. The head box 6 is supported by the angle adjustment device 17, and the head box 6 is the upper stile 8 of each sash 2.
Fixed inside. As shown in FIG. 5, each slat 4 is formed to have a substantially arcuate cross section, and three folds 4a are formed in the longitudinal direction to increase rigidity.
This is designed to prevent the slat 4 from bending at the book ladder cord 511J1.

The detailed structure of the slat angle adjusting device 7 and the mounting structure for the head box 6 will be explained with reference to FIG. 9 is formed, and an inward step lO is formed at a position facing the opposite protrusion 9 on the other side piece. Further, at the attachment position 1 of the slat angle adjustment device 7 of the head box 6, an oval through hole 11 is provided at the bottom of the head box 6, extending over almost the entire width.

12 connects the ladder cord support shaft (to be described later) to the head box 6.
The supporting member is molded of synthetic resin and has a width Wtri corresponding to the distance between the protrusion 9 and the step 10 of the head box 6, and has four corners facing outward. A locking piece 13 is provided that extends obliquely upward.

14 indicates m pieces of support members 12 [in which one resting piece 1
The bearing is formed by extending from the base end of the retaining piece 13 toward the central retaining piece 13, and the upper part thereof is an opening. An insertion hole 15 is provided between the bearing 14 and the support member 124 through which a blind lifting cord 37 (to be described later) can be inserted, and the insertion hole 15 is provided between the bearing 14 and the other locking piece 13. A slit 16 connected to 15 is secured, and the lifting string 3
7 can be guided into the insertion hole 15 from above the support member 12 through the slit 16.

17 is one locking piece 13 on the other side of the support member 12.
This bearing is formed by projecting from the base end toward the other resting piece 13, and unlike the bearing 14 and Vi, its upper part is open, and the bearing 17 is placed on the side and side of the bearing 17. is an insertion hole 1 similar to the insertion hole 15 and the slit 16.
8 and a slit 19 are provided. Reference numeral 20 denotes an elliptical through hole provided at the center of the bottom of the support member 12 over almost the entire length of the support member 12, and an ellipse rig 21 protruding downward from the bottom surface is formed on the periphery of the hole. san
ing.

The support member 12 formed in this way has head hooks 6.
To attach the supporting member 12 to the head hox 6 from above, insert it between the protrusion 9 and the step 10. At this time, since the distance between the outer surfaces of the upper ends of the opposing locking pieces 13 is larger than the distance between the protrusion 9 and the step 10, each of the locking pieces 13 comes into contact with the protrusion 9 or the step 10, and It is inserted while bending inward due to its elasticity. Then, when the support member 12 is inserted to the position where its bottom surface contacts the bottom side Q of the head box 6, the ribs 21 on the bottom surface of the support member 12 fit into the through holes 11 on the sides of the head box 6, as shown in FIG. At the same time, the upper end of the rest piece 13 comes into contact with the F surface of the protrusion 9 and the step 10, so that the support member 12 is fixed to the head box 6 so as not to be able to swing.

Reference numeral 22 denotes a trap support shaft for supporting the ladder cord 5, which is made of synthetic resin and trowel-molded, and has a hexagonal retaining hole 23 penetrated through its center.

24 is a split groove provided at one end of the support shaft 22; 25I;
4 Similarly, there are pull-out prevention protrusions provided on both outer peripheries of the split groove 24 at one end of the support shaft 22 to prevent the sleeve 31 (to be described later) from coming off. 26.2
Reference numeral 7 denotes a pair of substantially oval-shaped flanges provided on the circumferential surface of the support shaft 22, the outer distance of which corresponds to the distance between the two bearings 14 and 17 of the support member 12, and a ladder cord is inserted between them. Two rest pins 28 are supported for binding 5. These locking pins 28 are attached from the other end of the support shaft 22 through the flange 27, and a guide groove 29 therefor is provided at the other end of the support shaft 22.

A claw portion 30 is formed in the center of each integral retaining pin 28, and the upper end of the ladder cord 5 can be tied to the claw portion 30.

Reference numeral 31 denotes a metal sleeve, the inner diameter of which corresponds to the outer diameter of the support shaft 22, and is formed to be able to fit onto the support shaft 22, with a screw hole 32 extending from the outer circumferential surface toward the center. It is penetrated so that a screw 33 can be screwed into it. Reference numeral 34 denotes a drive shaft for adjusting the angle of the slat 4, which has a hexagonal cross section and can be inserted into the engagement hole 23 of the support shaft 22. As shown in FIG. 2, when assembled, both ends of the head box 6 are rotatably supported by both ends of the head box 6. By operating the dial/L/36, it is rotationally driven via a transmission mechanism (not shown).

37 is a lifting string for lifting and lowering the slat 4,
As shown in FIG. 2, the lifting cord 37 is suspended from a pulley (not shown) built into one end of the head box 6.
One end is inserted into the through hole 38 at one end of each slat 4 and suspends and supports the lowest bottom box (not shown), and the other end is inserted through the through hole 38 at the other end of each slat 4 (not shown). The bottom box is suspended and supported. In the head box 6, the lifting cord 37 is connected to the insertion holes 15, 18 of the support member 12.
As shown in FIG.
By pulling a downward, the slats 4 can be rolled up sequentially from the lower stage. In addition, when the blind 3 is installed inside the sash 2, the lifting cord 37 hanging from both ends of the head box 6 and its endless edge 37a are attached to the vertical stile 35 of the blind 3.
It is hidden and cannot be seen from the front of Satsushi Oka 2.

Next, a procedure for assembling the nullat angle adjusting device constructed as described above will be explained.

First, a large number of slats 4 are inserted into the ladder cord 5, and the upper end of the ladder cord 5 is supported by a support 111111.
22 and is tied to the claw portion 30 of the locking pin 28. Then, the support member 12 is fitted and fixed into the through hole 11 portion of the head box 6 as shown in FIG.
Pass the elevating cord 37 through the insertion holes 15 and 18. Next, the support shaft 22 is passed through the through holes 11 and 75 of the head box 6 and the support member 12 and guided above the head box 6. Then, the end of the support shaft 22 on the flange 27 side is connected to the support member 1.
2 into the bearing 17 from the inside of the flange 26.
The side end is fitted into the bearing 14 from above.

The support shaft 22 is now rotatable relative to the support member 12 fixed to the head box 6Q, and the flanges 26 and 27 abut against the insides of the bearings 14 and 17, so that the support shaft 22 is supported immovably in the axial direction.

Next, the sleeve 31 is fitted from the end of the support shaft 22 on the flange 26 side. At this time, the same end should not be unplugged, Inspector 25
Since the groove 24 is provided, when the sleeve 31 is inserted into the protrusion 25 position, the end part bends inward, and when the sleeve 31 passes the protrusion 25 position, the bending is canceled. The sleeve 31 is rotatably supported with respect to the support shaft 22 in a state where the core is positioned between the stopper part 25 and the bearing 14 of the support member 12.

Next, the drive shaft 34 is inserted into the head box 6 from one side of the head box 6 and inserted into the retaining hole 23 of the support #I22, so that both ends of the drive shaft 34 can be rotated into the head box 6. Support.

Then, by aligning the threaded hole 32 of the sleeve 31 and the split groove 24 of the support shaft 22, screw the screw 33 into the same threaded hole 32, and press the tip of the screw 33 against the drive shaft 34. The shaft 34 is axially positioned relative to the support member 12 and the headbox 6. This completes the assembly of the slat angle adjustment device to the head box 6, and the drive shaft 3
4 is rotated, the support shaft 22 is rotated, and the angle of each nullat 4 is adjusted by the ladder cord 5.

As described above, in this slat angle adjustment device, the through holes 11 and 20 through which the support shaft 22 can be inserted are provided at the bottom of the head box 6 and the 1-degree side of the support member 12, so that the support shaft 22 can be inserted into the holes 11 and 20. The upper end of the ladder cord 5 can be tied to the support shaft 22 before being placed in the head box 6. If the head box 6 and the support member 22 are not provided with the through holes 11 and 20 as in this embodiment, and the ladder cord 5 is of S construction so that only the ladder cord 5 can be passed through, the upper end of the ladder cord 5 can be inserted into the head box 6. However, in this embodiment, before inserting the ladder cord 5 into the head hook 6 and the support member 12 at the upper end of the ladder cord 5, The work is easy because it can be tied to the support shaft 22, and if the support shaft 22 is connected to the through holes 11, 20; and supported by the support member 12, the support 1a 122 can be easily attached to the head box 6. Can be installed.

Effects As detailed above, this invention provides the head box 6 with the through hole 11 through which the support shaft 22 can be inserted, so that the upper end of the ladder cord 5 can be tied to the support shaft 22 before being inserted into the head box 6. Since the slat angle adjustment device can be attached to the head box 6, the slat angle adjustment device can be easily stored in the head box 6.

[Brief explanation of the drawing]

Fig. 1 is a front view of a blind sash embodying the present invention, Fig. 2 is a partially cutaway front view showing the slat angle adjustment device of the blind, Fig. 3 is an exploded perspective view of the slat angle adjustment device, Figure 4 shows the cross section of the supporting member fully fitted into the head box, and Figure 5 shows the 11tl side of the nut.
'I-side view. Blind 3. Ladder code 5. Head Potsuknu 6. Slat angle adjustment device7. Through hole 11. Support shaft 22°

Claims (1)

[Claims] l A support shaft (22
) is rotatably supported within the head box (6) of the blind (3), and its support shaft (22) is supported rotatably within the head box (
6) A mounting structure for a slat angle adjustment device that can be rotated from the outside, characterized in that the head hook (6) is provided with a through hole (11) through which the support shaft (22) can be inserted. . 2. The support shaft (22) is supported by the head box (6) via a support member (12) provided with a through hole (20) through which the support shaft (22) can pass through. Installation of the slat angle adjustment device described. Attached structure.