JPH031999Y2 - - Google Patents

Description

[Detailed Description of the Invention] Purpose of the Invention (Field of Industrial Application) This invention relates to a skylight blind, and more specifically to a structure for preventing slat deflection of a blind such as a skylight blind.

(Prior Art) Conventionally, as shown in FIG. 12, in skylight blinds, a ladder cord 33 is suspended and supported from a head box (not shown) fixed to a frame or the like, and a large number of slats 34 are supported by the ladder cord 33. and a bottom rail (not shown) at the bottom.
is suspended and supported. The slat 34 is configured to be rotated via the ladder cord 33 by an angle adjustment mechanism (not shown) that adjusts the angle. Furthermore, since skylight blinds are installed obliquely or horizontally, in addition to the above structure, in order to support the slats 34, elongated holes 35 are provided at both ends of each slat 34 to allow rotation of the slats 34. A wire 36 was stretched from the head box 5 to the bottom rail through the elongated hole 35.

(Problems to be Solved by the Invention) However, in the conventional skylight blinds as described above, since they are installed obliquely or horizontally, the wire 3 is connected to the slat 34 through its elongated hole 35.
Since the wire is flexible, there is a problem in that the slat 34 bends due to its own weight even if it is supported by the wire. Further, when the angle of the slat 34 is adjusted to close it to block light, there is a drawback that light leaks from the elongated hole 35 and the light cannot be completely blocked.

Structure of the Invention (Means for Solving Problems) The slat deflection prevention structure of this invention is a blind in which a plurality of slats are supported by a ladder cord and whose angles are adjusted via the ladder cord. A deflection prevention member is attached to both ends of the slat, and the deflection prevention member is provided with a rotating shaft so as to protrude from both ends of the slat, while a rotation shaft is provided on the side corresponding to both ends of the slat. A support member is disposed, and the rotation support member is provided with a bearing portion that rotatably supports the rotation shaft, and the rotation shaft and the bearing portion engage with each other to restrict movement of the slat in the longitudinal direction. The gist of this is that regulatory measures have been established.

(Function) The movement restricting means provided on the rotating shaft and bearing restricts the movement of the slat in the longitudinal direction, so when the blind is placed diagonally or horizontally,
Deflection of the slats is prevented. Furthermore, since no elongated holes are provided in the slats, when the angle of the slats is adjusted to close the slats to block light, there is no risk of light leaking and the light is completely blocked.

(Example) Below, examples that embody this idea are shown in Figures 1-
This will be explained according to FIG.

A storage frame 1 for a skylight blind is formed into a rectangular frame shape from an upper stile 2, a lower stile 3, each having a channel-shaped cross section, and a pair of vertical stile 4 serving as rotation support members. A head box 5 is attached to the inside of the upper stile 2 via a bracket 7 which has 6 screws attached to the lower surface of the upper stile 2.

Two ladder cords 8 are suspended from both ends of the head box 5, and each ladder cord 8 has multiple sets of two weft threads 8a, 8b.
are spaced apart from each other by a distance corresponding to the height of the curved slats 9. That ladder code 8
A large number of slats 9 are inserted and supported between each pair of weft threads 8a, 8b. At both ends of each slat 9, a pair of attachment holes 9a for attaching a deflection prevention member 22, which will be described later, is provided.

A bottom rail 10 is suspended from the lowermost end of the ladder cord 8. An angle adjustment string 1 hanging from the center of the head box 5
1, the angles of the slats 9 are adjusted in the same phase via the angle adjustment device 12 provided in the head box 5 and the ladder cord 8.

As shown in FIGS. 4 and 5, L-shaped protrusions 1 are provided at the center of the inner surfaces of both vertical frames 4, facing each other.
3 are formed to extend in the vertical direction, and a bearing groove 14 as a bearing portion is formed between both protrusions 13. A bearing member 15 is inserted into the lower end of the bearing groove 14 as shown in FIGS. 3 and 5. As shown in FIGS. On the inner surface of the bearing member 15, a protrusion 16 that fits between the inner ends of the protrusions 13 is formed via a step 15a, and a bearing hole 17 and a female thread 18 are transparently provided. (See Figures 6 and 7).

Then, in the coaxial bearing member 15, a screw 19 is screwed into the female screw 18 through the space between the protrusions 13, and the tip of the screw 19 is brought into contact with the inner surface of the vertical stile 4, so that the bearing member 15 It is attached to the vertical stile 4 by tightening the protrusion 13 to the inner end side. Therefore, by loosening the screw 19, the mounting position of the bearing member 15 within the bearing groove 14 can be adjusted. Furthermore, a rotation shaft 21 which is formed to protrude from a bottom cap 20 attached to both ends of the bottom rail 10 is rotatably inserted into the bearing hole 17 of the bearing member 15.

Deflection prevention members 2 are provided at both ends of each slat 9.
2 is attached. The deflection prevention member 22 is the eighth
As shown in the figure and FIG.
A rotating shaft 23 is formed to be rotatably inserted into the bearing groove 14 between the bearing grooves 13 and 3, and locking flanges 24 projecting from both ends of the rotating shaft 23 to lock onto the inner ends of the protrusions 13. There is. The locking flange 24 and the protrusion 13 constitute a movement regulating means. The rotating shaft 23 cannot be separated from the bearing groove 14 by the locking flange 24 (see FIG. 4), and also restricts movement of the slat 9 in the longitudinal direction.

A support wing portion 25 is provided on the locking flange 24 on the tip side to protrude in the left-right direction (vertical direction in FIG. 8), and an elastic upper clamping plate portion 26 is formed to protrude from the support wing portion 25. has been done. A pair of square-shaped through holes 27 are provided on the left and right sides of the upper clamping plate portion 26.
is transparently provided, and a channel-shaped insertion groove 28 through which the ladder cord 8 is inserted is formed on both sides of the tip.

Further, the upper clamping plate portion 2 is attached to the support wing portion 25.
A pair of elastic lower clamping tongues 29 are spaced apart from each other in accordance with the thickness of the slat 9 from each through hole 2.
It is provided protrudingly in correspondence with 7. Lower clamping tongue piece 2
A mounting hole 9a for the slat 9 is provided on the upper surface of the tip of the slat 9.
A fitting protrusion 30 is formed to protrude so that the fitting protrusion 30 can be fitted into the upper clamping plate part 25 .
It is always inserted into the through hole 27 of. The fitting protrusion 3
An oblique guide surface 31 that allows the slat 9 to be inserted between the upper clamping plate 25 and the lower clamping tongue 29 is formed on the upper end surface of the slat 9 .

The deflection prevention member 22 is connected to the upper clamping plate portion 25.
When the end of the slat 9 is inserted between the lower clamping tongue 29 and the slat 9 comes into contact with the guide surface 31 of the fitting protrusion 30, the lower clamping tongue 29 resists the elastic force. and move down. When the mounting hole 9a of the slat 9 corresponds to the fitting protrusion 30, the lower clamping tongue 29 of the deflection prevention member 22 moves upward due to its elastic force, and the fitting protrusion 30 fits into the mounting hole 9a. By doing so, it is attached to the slat 9.

Now, the skylight blind constructed as described above changes from the state shown in FIG. 2 to the state shown in FIG. 11 when the slat 9 is rotated by the angle adjustment string 11 to block light. At this time, unlike the conventional case, since no elongated hole is provided in the slat 9, there is no risk of light leakage, and light can be completely blocked.

In addition, this skylight blind has a deflection prevention member 22.
The locking flange 24 of the rotating shaft 23 in the vertical stile 3
The movement of the slat 9 in the longitudinal direction is restricted by being locked to the protrusion 13 of the slat 9. As a result,
When the blind is arranged diagonally or horizontally, the slats 9 are prevented from deflecting.

Effects of the invention As detailed above, in this invention, a deflection prevention member is attached to both ends of the slat, and a rotating shaft is provided to the deflection prevention member so as to protrude from both ends of the slat. A rotation support member is disposed on the sides corresponding to both ends of the slat, and the rotation support member is provided with a bearing portion that rotatably supports the rotation shaft, and the rotation shaft and the bearing portion are engaged with each other. By providing the movement regulating means for regulating the movement of the mating slats in the longitudinal direction, the slats are prevented from deflecting when the blind is arranged diagonally or horizontally, unlike the conventional blinds. Furthermore, since no long holes are provided in the slats, there is no risk of light leaking when the angle is adjusted to close the slats to block light, and the light can be completely blocked, making this an excellent idea for industrial use.

[Brief explanation of the drawing]

Fig. 1 is an overall front view of a skylight blind embodying this idea, Fig. 2 is a vertical cross-sectional view of the upper part of the blind, Fig. 3 is a vertical cross-sectional view of the lower part of the blind, and Fig. 4 is a vertical cross-sectional view of the lower part of the blind. Similarly, FIG. 5 is a cross-sectional view of the main part of the blind, FIG. 5 is a cross-sectional view of the main part of the lower part of the blind, FIG. 6 is a front view of the bearing member, FIG. 7 is a side view of the bearing member, and FIG. 8 is a cross-sectional view of the main part of the blind. A plan view of the deflection prevention member, FIG. 9 is a sectional view taken along the line A-A in FIG. 8, and FIG. 10 is a side view of the deflection prevention member.
FIG. 1 is a cutaway vertical sectional view of the upper part of the blind shown in the closed state from FIG. 2, and FIG. 12 is a perspective view of the main part of the conventional blind. Storage frame...1, Vertical stile (rotation support member)...4,
Head box...5, Rudder cord...8, Slat...9, Angle adjustment string...11, Protrusion constituting the movement regulating means...13, Bearing groove as a bearing part...14, Bearing member...15 , deflection prevention member...22, rotating shaft...23, locking flange constituting the movement regulating means...24, support wing portion...25,
Upper clamping plate portion...25, lower clamping tongue piece...29,
Fitting protrusion...30.

Claims (1)

[Claims for Utility Model Registration] 1. In a blind in which a plurality of slats are supported by a ladder cord and whose angles are adjusted via the ladder cord, the slats 9 are provided with deflection prevention members 2 at both ends.
2 is attached to the deflection preventing member 22, and a rotating shaft 23 is attached to the deflection preventing member 22 so as to protrude from both ends of the slat 9.
On the other hand, a rotation support member 4 is disposed on the sides corresponding to both ends of the slat 9, and the rotation support member 4 has a bearing portion 14 that rotatably supports the rotation shaft 23. A slat deflection prevention structure for a skylight blind, characterized in that movement regulating means 24 and 13 are provided on the rotating shaft 23 and the bearing portion 14 to engage with each other and regulate the movement of the slat 9 in the longitudinal direction. 2. The skylight according to claim 1, wherein the movement regulating means is constituted by a locking flange 24 protruding from the rotating shaft 23 and a locking portion 13 protruding from the bearing portion 14. Blind slat deflection prevention structure. 3. A slat deflection prevention structure for a skylight blind according to claim 1 or 2, wherein the rotational support member is a vertical stile 4 of a storage frame 1 that stores and holds the entire blind. 4. The slat deflection prevention structure for a skylight blind according to claim 3, wherein the bearing portion is a bearing groove 14 formed in the vertical stile 4 so as to commonly communicate with each slat 9.