JPH0618554Y2 - Curtain runner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a curtain runner capable of automatic and manual opening and closing.

[Prior Art] Japanese Utility Model Publication No. 60-17190 discloses an electric curtain which is also used as a manual. This manual combined electric curtain
At the time of electric operation, one of the slide piece moving the curtain rail and the curtain runner is magnetically coupled by the permanent magnet to open and close the curtain. On the other hand, in manual operation, pulling the curtain by hand separates the slide piece from the curtain runner, and the curtain can be opened and closed by hand.

[Problems to be Solved by the Invention] However, since permanent magnets are attached to the slide piece and the curtain runner in such a manner that their attracting surfaces project from each other, the attracting surfaces may partially face each other. Magnetically coupled immediately. For this reason, there is a problem in that the magnetic coupling between the two permanent magnets becomes unstable and easily disengages, and a smooth opening / closing operation cannot be ensured.

The present invention was made to solve the above problems,
An object of the present invention is to provide a curtain runner capable of smoothly opening and closing the curtain.

[Means for Solving Problems] The curtain runner of the present invention for achieving the above object is
A towing member fixed to the drive wire and reciprocating in the curtain rail, and legs for suspending the curtain are slidably inserted into a running groove at the center of the lower surface of the curtain rail, and are substantially orthogonal to the towed direction. In a curtain runner for magnetically coupling the towing member and the towed member by attaching a permanent magnet to at least one of the opposing surfaces of the towed member held so as to be movable also in the direction of movement. A fitting recess is provided on the opposing surface of the towing member, and when the towing member and the member to be towed face each other, the member to be towed moves in a direction substantially orthogonal to the towed direction and fits into the fitting recess. It is characterized in that it is adapted to be magnetically coupled in the fitting concave portion.

[Operation] In the curtain runner having the above-mentioned configuration, when the towing member and the towed member face each other, the magnetic force of the permanent magnet attached to one of the towing member or the towed member causes
The towed member moves in a direction substantially orthogonal to the towed direction, fits into a fitting recess provided in the towing member, and magnetically couples in the fitting recess.

[Embodiment] A preferred embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing an embodiment of the present invention. In FIG. 1, a curtain rail 10 is a box-shaped rail having a substantially inverted U-shaped cross section, and a guide groove 1 having a C-shaped cross section is provided on both inner upper sides.
2, 12 are provided. A drive wire 14 is inserted into the guide grooves 12 and 12 so as to slide. A running groove 16 is formed in the center of the lower surface of the curtain rail 10.
Are formed.

The traction member 18 is a rectangular flat plate material, and a ridge 20 having a C-shaped cross section guided by the guide groove 12 is provided on one side surface, and is moved on the other side surface in contact with the outside of the guide groove 12. Upper and lower guide pieces 22, 22 are provided respectively. The ridge 20 of the towing member 18 is fixed to the drive wire 14 by a connecting fitting 24.

The lower surface of the towing member 18 is shown in FIGS. 3 and 4 (A),
As shown in (B) and (C), a mounting hole 26 for the permanent magnet 28 is formed. By making the depth dimension of the mounting hole 26 larger than the thickness dimension of the permanent magnet 28, the attraction surface 28a of the permanent magnet 28 is
The permanent magnet 28 is mounted in a state in which the concave portion is recessed from the lower surface of the towing member 18. In the mounting hole 26, the permanent magnet 28
Is provided with a step 26a at a portion flush with the suction surface 28a of
The fitting recess 26 that continues to the mounting hole 26 by the step 26a
b is formed.

The towed member 30 includes an attracted body 32 and a case 34. The attracted body 32 includes a magnet mounting portion 38 and a leg portion 42 integrally formed at the center of the lower surface of the magnet mounting portion 38. The planar shape of the magnet mounting portion 38 is formed to be slightly smaller than the planar shape of the fitting concave portion 26b so that it can be fitted into the fitting concave portion 26b. Then, a permanent magnet 36 having a polarity opposite to that of the permanent magnet 28 attached to the traction member 18 is attached to the magnet attachment portion 38. Further, the leg portion 42 is movably fitted into the traveling groove 16 of the curtain rail 10, and the hanging ring 40 of the curtain hook is formed at the lower end portion.

The case 34 is a frame body 4 that loosely surrounds the side surface of the magnet mounting portion 38.
4 and two arms 46 and 46 attached below the frame 44. The frame 44 and the arms 46 and 46 hold the magnet mounting portion 38 movably in the vertical direction orthogonal to the towed direction. To do. The arms 46, 46 are fitted into the running groove 16 of the curtain rail 10. Arm 46,
A cushion member 48 is attached to a surface of the magnet 46 that supports the magnet mounting portion 38.

The member 30 to be towed is loaded into the curtain rail 10 so as to face the towing member 18 in the vertical direction, and travels left and right along the travel groove 16 on the support arm 17 of the curtain rail 10. .

FIG. 2 is a perspective view of the electric curtain with the curtain hung, wherein 50 is a motor, 52 is a curtain, 54 is a curtain hook, and 56 is an electric drive mechanism.

Next, the operation of this embodiment will be described with reference to the front sectional view of FIG. 3 and the side sectional views of FIGS. 4 (A), (B) and (C). When the towing member 18 and the towed member 30 are apart from each other in the towing direction, as shown in FIGS. 3 and 4 (A), the adsorbed body 32 has its own weight and the weight of the hanging curtain 52. Then, it sinks into the case 34, and the cushion member 48
It is held by the arm 46 via.

Next, when the towing member 18 and the towed member 30 come to face each other vertically due to the relative movement of the towing member 18 and the towed member 30, the permanent magnet 28 and the towed member mounted in the mounting holes 26 of the towing member 18 are pulled. 40 magnet mounting part 3
An attractive force acts between the permanent magnet 36 attached to the unit 8 and the permanent magnet 36. The planar shape of the magnet mounting portion 38 is formed to be slightly smaller than the planar shape of the fitting recess 26b. Therefore, when the towed member 30 moves directly below the towed member 18, the attracted body 32 floats in the case 34 for the first time, and FIG.
As shown in FIG. 6, the attraction surface 28a of the permanent magnet 28 and the attraction surface 36a of the permanent magnet 36 are magnetically coupled to each other by fitting in the fitting recess 26b of the towing member 18.

In order to separate the towing member 18 and the towed member 30, as shown in FIG. 4 (C), the to-be-adsorbed body 32 is pulled down by a force (F) stronger than the attraction force of the permanent magnets 28 and 36, The magnet mounting portion 38 of the attracted body 32 is the fitting recess 2 of the pulling member 18.
6b, the attracted body 32 moves downward in the case 34 and presses the cushion member 48.

As described above, in the present embodiment, when the towed member 30 is located directly below the towing member 18, the attracted body 32 fits into the fitting recess 26b of the towing member 18, so that the attracted body 32 advances. Since the movement in the direction, the front-rear direction, and the left-right direction is restricted by the fitting concave portion 26b and the case 34 that holds the periphery,
Even if it receives a large traction force from the drive wire 14, it does not easily come off. In addition, from the towing member 18 to the towed member 30.
When pulling away, the magnet mounting portion 38 of the attracted body 32 comes into contact with the cushion member 48, and the cushion member 48 is compressed. Therefore, a sufficient separation distance including the shrinkage allowance of the cushion member 48 can be obtained, and the towed member 30 can be reliably separated from the towing member 18.

In the present embodiment, the cushion member 48 is attached to the arm 46 of the case 34, but the cushion member 4
8 may be attached to the magnet mounting portion 38 side of the attracted body 32.

Further, although the towed member 30 is shown to be composed of the attracted member 32 and the case 34, the towed member is made integral, and a permanent magnet is simply mounted on the upper surface and fitted into the fitting hole 26b of the towed member. It is also possible to simply provide a convex portion that does. The permanent magnets 28 and 36 do not necessarily include the towing member 18 and the towed member 3.
It is not necessary to attach it to both 0, one is made of a ferromagnetic material,
Only the other side may be equipped with a permanent magnet having a magnetic force sufficient to attract this.

It should be noted that the present invention is not limited to the specific examples described above, and it is needless to say that various modifications, corrections, improvements, etc. can be added based on the knowledge of those skilled in the art without departing from the spirit of the present invention. is there.

[Advantages of the Invention] The curtain runner of the present invention has the above-described configuration, and when the towing member and the towed member face each other, the magnetic force of the permanent magnet mounted on either the towing member or the towed member causes , The towed member moves in a direction substantially orthogonal to the towed direction, fits into a fitting recess provided in the towing member, and magnetically couples in the fitting recess, so that the magnetic coupling is of a permanent magnet. It has an excellent effect that it is performed on the entire suction surface and becomes strong, and smooth opening and closing operations of the curtain can be ensured manually and electrically.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention, and FIG.
Figure is a perspective view of the electric curtain with the curtain hung, Figure 3 is a front sectional view of the embodiment of Figure 1, and Figures 4 (A) (B) (C).
FIG. 3 is a side sectional view for explaining the operation of the embodiment of FIG. 10 ... Curtain rail, 14 ... Drive wire, 16 ...
… Running groove, 18 …… Drawing member, 26 …… Mounting hole, 26
b ... fitting recess, 28, 36 ... permanent magnet, 28a, 3
6a ... Adsorption surface, 30 ... Towing member, 32 ... Adsorption object, 34 ... Case, 42 ... Leg part, 52 ... Curtain

Claims (1)

[Scope of utility model registration request] 1. A pulling member fixed to a drive wire and reciprocating in a curtain rail, and legs for suspending a curtain are movably fitted into a running groove at the center of the lower surface of the curtain rail, and A towed member held so as to be movable also in a direction substantially orthogonal to the towing direction is made to face each other, and a permanent magnet is attached to at least one of the facing surfaces of the two to magnetically couple the towed member and the towed member. In the curtain runner, a mating recess is provided on the facing surface of the towing member, and when the towing member and the towed member face each other, the towed member moves in a direction substantially orthogonal to the towed direction, and A curtain runner, characterized in that the curtain runner is fitted in the fitting recess and magnetically coupled in the fitting recess.