JPH076475Y2 - Blind slat lifting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a lifting device for lifting a slat of a horizontal blind.

[Prior Art] Conventionally, as one type of horizontal blind, a winding shaft 2 that rotates while moving in an axial direction based on an operation by an operating device (not shown) as shown in FIG.
There is a structure in which the lifting cord 2 is spirally wound around the winding shaft 2 and the slat 4 is moved up and down.

Since it is necessary to attach the upper end of the lifting cord 3 to the winding shaft 2 in such a blind, for example, as shown in FIG. Is provided and the knot 6 provided at the upper end of the lifting cord 3 is locked in the attachment hole 5 so that the upper end of the lifting cord 3 is locked to the winding shaft 2 or, as shown in FIG. A groove 7 extending in the axial direction of the winding shaft 2 is provided on the outer peripheral surface of the ring, and a ring 9 having a protrusion 8 that engages with the groove 7 is fitted to the winding shaft 2, and the ring 9 is attached to the ring 9. The upper end of the lifting cord 3 was tied to the locking hole 10 provided.

[Problems to be solved by the device]

However, in the configuration shown in FIG. 4, since it is necessary to previously provide the mounting hole 5 at the mounting position of the elevating cord 3 of the winding shaft 2, the man-hour is increased, and the length of the winding shaft 2 and the winding shaft 2 are increased. Since it is necessary to change the mounting position of the lifting cord 3 according to the width of the blind, the work of drilling the mounting hole 5 becomes complicated.

Further, in the configuration shown in FIG. 5, it is necessary to move the ring 9 fitted to one end of the winding shaft 2 on the outer peripheral surface of the winding shaft 2 to the attachment position of the elevating cord 3, so that the work efficiency decreases. .

An object of the present invention is to provide a slat elevating device which can easily attach the upper end of the elevating cord to the winding shaft in the horizontal blind having the above structure.

[Means for Solving the Problems]

In order to solve the above-mentioned problems, the present invention provides a blind for spirally winding an elevating cord around a winding shaft that is rotationally driven while moving axially in a head box to elevate a slat, and an upper end of the elevating cord. On the outer surface of the take-up shaft and the hook that supports the hook, there is provided a fitting means for pressing the hook against the outer surface of the take-up shaft in the radial direction of the take-up shaft to fit the upper end of the lifting cord to the hook. The structure is tied to the provided locking hole.

[Action]

By the above means, the hook is pressed against the take-up shaft in the radial direction of the take-up shaft and fitted, and when the upper end of the elevating cord is tied to the locking hole formed in the hook, the upper end of the elevating cord is taken up. Be attached to.

〔Example〕

Hereinafter, an embodiment embodying the present invention will be described with reference to FIGS.
It will be described with reference to the drawing.

As shown in FIG. 2, the pipe-shaped winding shaft 2 is formed with two recessed ridges 11 on its outer peripheral surface in the axial direction. The recessed ridges 11 are formed in a square groove shape in cross section and The shafts 2 are formed so as to face each other with the center of the cross section of the shaft 2 interposed therebetween.

Hook 12 for supporting the upper end of the lifting cord 3 on the winding shaft 2
Is formed in a semi-circular shape from synthetic resin having elasticity,
The inner diameter of the arc portion 13 is formed to be substantially the same as the diameter of the winding shaft 2, and projecting portions 14 facing each other are formed at both ends of the arc portion 13. Further, a locking hole 15 for attaching the upper end of the lifting cord 3 is formed in the middle of the arc portion 13.

Now, according to the winding shaft 2 and the hook 12 as described above, the hook 12 is applied to the winding shaft 2 from the side as shown by the arrow in FIG. When the winding shaft 2 is pressed in the direction of the winding shaft 2, the hook 12 has an arc portion 13
Both ends are pushed along the outer peripheral surface of the winding shaft 2 and are recessed.
As it approaches 11, the projection 14 is fitted into the recess 11 as shown in FIG. When the upper end of the lifting cord 3 is tied to the locking hole 15, the upper end of the lifting cord 3 is attached to the winding shaft 2.

Therefore, with the structure of the winding shaft 2 and the hook 12, the hook 12 is fitted from the side of the winding shaft 2 with respect to the mounting position of the lifting cord 3 of the winding shaft 2 so that the upper end of the lifting cord 3 is taken up. Since it can be attached to the desired position of the winding shaft very easily, the blinds having different widths or the winding shaft 2 having a wide width can be attached.
Even in a long blind, the assembling work can be efficiently performed.

[Effect of device]

As described in detail above, the present invention is a blind for spirally winding a lifting cord around a winding shaft that is rotationally driven while moving axially in a head box to raise and lower a slat. It exerts an excellent effect that it can improve the work efficiency for attaching to the shaft.

[Brief description of drawings]

FIG. 1 is a side sectional view showing an embodiment embodying the present invention, FIG. 2 is an exploded perspective view of the embodiment, FIG. 3 is a front view of a blind relating to the present invention, and FIGS. [Fig. 6] is a side sectional view showing a conventional example. Take-up shaft 2, lifting cord 3, recessed line (fitting means) 11, hook
12, protrusion (fitting means) 14, locking hole 15.

Claims (1)

[Scope of utility model registration request] 1. A blind supporting a top end of an elevating cord (3) in a blind for spirally winding an elevating cord around a winding shaft which is rotationally driven while moving axially in a head box to elevate a slat. Fitting for fitting the hook (12) to the outer peripheral surface of the winding shaft (2) by pressing the hook (12) against the outer peripheral surface of the winding shaft (2) in the radial direction of the winding shaft (2). A blind slat lifting device, characterized in that means (11, 14) are provided and the upper end of the lifting cord (3) is tied to a locking hole (15) provided in the hook (12).