Shielding material opening and closing device

Abstract

To provide a shield material opening / closing mechanism capable of winding a shield material operation long body which is stretched between a building and a shield material, by using restitutive force of an osmund, which can arrange the shield material operation long body at any position, without drawing the same from the shield material rail.SOLUTION: A shield material opening / closing mechanism comprises a free stop mechanism that loops a shield material operation long body between loop reels which are installed on both ends of an opening / closing operation device side end part and a drive device side end part in a shield material rail, opens / closes a shielding material comprising a beginning runner which is coupled and fixed to the long body at a shield material opening / closing reference position of the shield material operation long body, by rotating a shaft of a loop reel on one side using restitutive force (power) of an osmund, and can stop the shield material operation long body at any position of the shield material rail.SELECTED DRAWING: Figure 5

Description

[Technical Field]

[0001] The present invention relates to a curtain opening and closing device that automatically closes or opens the curtain after it has been opened or closed by winding up a shaft on one side using the restoring force of a spring, with the curtain having a leading runner connected to the belt or wire, etc., by looping a belt or wire, etc. inside a rail. [Background technology]

[0002] For example, Patent Document 1 discloses a curtain opening / closing device that uses a power spring to wind up a wire installed between a window frame, curtain rail, or the like of a building and a side-opening curtain, and that semi-automatically opens and closes the curtain using a reel that uses a power spring. The curtain opening / closing device described in Patent Document 1 is a device that opens and closes one curtain using a single curtain opening / closing device, and includes an opening / closing reel device that winds up a long object such as a string, rope, or belt using the action of a power spring. A connecting part (hanging device) that links the curtain and the long object is attached to the curtain, and the device semi-automatically opens and closes one curtain. When closing a curtain, this curtain opening / closing device is designed so that the free end of the long object is pulled down, moving the connecting part to close the curtain. When opening the curtain, the long object is wound up by the stored power of the power spring, and the connecting part moves the curtain, opening the curtain.

[0003] Furthermore, the curtain opening and closing device disclosed in Patent Document 1 can also simultaneously open and close a pair of left and right curtains with a single curtain opening and closing device. That is, the curtain opening and closing devices are arranged along almost the entire length of the curtain rail, and a pair of left and right curtains is opened and closed semi-automatically by an opening and closing reel device using a spiral spring arranged at the left end, for example. A long object such as a string, rope, or belt is folded back at a folded-back portion at the other end of the curtain rail and hangs down from a guide part. When the tip of the long object is pulled, the long object is unwound and the curtain closes, and the force stored in the spiral spring of the opening and closing reel device winds up the long object, automatically opening the curtain.

[0004] 8, the curtain opening and closing device disclosed in Patent Document 1 is provided with an opening and closing reel device 21 that winds up a long body 22 such as a string or wire rope onto a reel by the action of a built-in spiral spring at one end (the left end in this example) of a curtain rail 24 that extends in the left-right direction, a folded-back portion 25 of the long body 22 is arranged at the other end of the curtain rail 24, a curtain 20 is attached to a connecting portion 26 provided on the long body 22, and the free end side of the long body 22 is folded back at the folded-back portion 25 arranged at the other end of the curtain rail 24 and hangs down from a horizontal state to a vertical state via a guide portion 28 provided at the left end of the curtain rail 24. Reference numeral 27 denotes a gripping portion for the long body 22 that always hangs down from the guide portion 28.

[0005] In the case of a curtain opening and closing device having such a configuration, when the long body 22, which is always hanging down from the guide portion 28, is grasped by the gripping portion 27 and pulled against the spiral spring of the opening and closing reel device 21, the long body 22 is unwound and the curtain 20 closes, and when the long body 22 is wound up into the opening and closing reel device 21 by the action of the spiral spring of the opening and closing reel device 21, the curtain 20 opens.Therefore, the long body 22, which controls the opening and closing of the curtain 20, is always hanging down on one end of the curtain 20 and is exposed to the user's eye, not only damaging the aesthetic appearance of the indoor location where the curtain is installed, but also causing problems such as the long body swinging and the risk of injury if the body or the like comes into contact with the hanging long body, or damaging the glass door or the interior walls of the room. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Patent No. 6463164 Summary of the Invention [Problem to be solved by the invention]

[0007] The present invention has been made to solve the problems of the prior art described above, and aims to provide a shielding material opening and closing device that uses the restoring force of a spring to wind up a long operating body that is installed between a building (for example, a window frame, curtain rail, etc.) and a shielding material (a curtain, etc.), and that does not mar the aesthetic appearance of the indoor location where the shielding material is installed and is very safe, by adopting a mechanism that can stop the long operating body at any position without pulling it out from the shielding material rail. [Means for solving the problem]

[0008] The shielding material opening and closing device of the present invention is characterized by a structure in which the long body for operating the shielding material is not pulled out from the shielding material rail, but rather the pulled-out long body is looped, eliminating sagging when pulled out, and is further equipped with a mechanism that can semi-automatically close the shielding material with a single action, and by adopting a free stop mechanism that can stop the shielding material at any position on the shielding material rail, the long body for operating the shielding material is not exposed to the outside.

[0009] That is, the shielding material opening and closing device according to the present invention loops a long body for operating a shielding material between loop reels installed at both ends of the opening and closing operation device side end and the drive device side end in a shielding material rail, opens and closes a shielding material having a leading runner that is connected and fixed to the long body for operating a shielding material at a shielding material opening and closing reference position of the long body for operating a shielding material by rotating the axis of the loop reel on one side using the restoring force (power) of a spring, and is provided with a free stop mechanism that can stop the long body for operating a shielding material at any position on the shielding material rail, and the free stop mechanism is And, before and a manual position control device that moves and stops the leading runner at any position, the manual position control device being a ratchet mechanism installed in the drive device at one end of the shielding material rail, the ratchet mechanism allowing the side that winds up the drive spring constituting the drive device to rotate freely, When the operating cord of the opening / closing operating device is pulled out, the rotation rotates freely, and when the pulled operating cord is returned, The ratchet will catch and stop at that position, and by repeating this action any number of times, The front runner This is a shielding material opening and closing device that is characterized by a mechanism that allows it to be stopped at any position.

[0010] In addition, the reference position for opening and closing the shielding material of the long body for operating the shielding material is Leading runner position and one shielding material opening / closing reference position is defined for each shielding material. That is, this is a shielding material opening / closing device characterized in that one shielding material opening / closing reference position is defined when the shielding material is a single-wing type, and two shielding material opening / closing reference positions are defined when the shielding material is a double-wing type.

[0011] Also, the operating cord installed on the opening and closing operation device If you subtractIn this shielding material opening and closing device, the side that winds up the drive spring rotates freely, the shielding material moves, and when the operating cord is returned, the winding action of the drive spring stops and the shielding material also stops. [Effects of the Invention]

[0012] According to the present invention, the free stop means allows the curtain to be stopped anywhere, solving the problems mentioned above. In addition, the curtain can be operated by simply pulling back the operating cord on the spot, which solves the problem of the long body hanging down too long, and has the advantage of eliminating the need to move around to open and close the curtain. Furthermore, it is possible to perform semi-automatic "closing" or "opening" with a single action. [Brief explanation of the drawings]

[0013] [Figure 1] 1A and 1B are diagrams showing an outline of the structure of a shielding opening and closing device according to a first embodiment of the present invention, and are schematic diagrams of a single-wing type shielding material in a fully open state, in which (a) is a top view and (b) is a plan view. [Figure 2] 1A and 1B are schematic diagrams of a fully closed state of a single-opening type shielding material of the shielding opening and closing device, where (a) is a top view and (b) is a front view. [Figure 3] 10A and 10B are diagrams showing an outline of the structure of a shielding opening and closing device according to a second embodiment of the present invention, and are schematic diagrams of a double-opening type shielding material in a fully closed state, with (a) being a top view and (b) being a plan view. [Figure 4] 4 is a schematic diagram of a fully open state of the double-opening type shielding material of the shielding opening and closing device shown in FIG. 3, where (a) is a top view and (b) is a front view. [Figure 5] 2 is an enlarged front view showing the entire structure of the shielding material opening and closing device shown in FIG. 1, with a part cut away. FIG. [Figure 6] FIG. 2 is a perspective view of the appearance of a device part, illustrating the components of the shielding material opening and closing device shown in FIG. [Figure 7]1A and 1B are cross-sectional views illustrating the structure of the free stop mechanism of the shielding material opening and closing device according to the present invention, in which (a) shows the stopped state when the stopper is activated, and (b) shows the state when the stopper is released. [Figure 8] FIG. 1 is a schematic diagram of a conventional curtain opening and closing device. DETAILED DESCRIPTION OF THE INVENTION

[0014] 1 to 7, in the shielding material opening / closing device according to an embodiment of the present invention, reference numeral 1 denotes a shielding material rail, 2 denotes a long shielding material operation body such as a string or wire rope, 3 denotes an opening / closing operation device that rotates and stops the loop-shaped shielding material operation long shielding material operation body 2 by the action of a spiral spring, 3-1 denotes a loop reel on the opening / closing operation device side (operation side), 3-2 denotes an operating string, 3-3 denotes a clutch mechanism, 3-4 denotes a string retraction spring, 3-5 denotes a connecting gear, 3-6 denotes a reduction gear, 3-7A denotes an upper case of the opening / closing device, and 3-7B denotes a lower case of the opening / closing operation device. Also, reference numeral 4 denotes a drive device, 4-1 denotes a loop reel on the drive device side (drive side), 5 denotes a free stop mechanism, 5-1 denotes a leading runner that constitutes the free stop mechanism, 5-2 denotes a ratchet mechanism that constitutes the free stop mechanism, 6 denotes shielding material, and 7 denotes a shielding material suspender (runner). 1 and 2 show a single-swing type shielding opening / closing device, with Fig. 1 showing the case where the shielding is fully open and Fig. 2 showing the case where it is fully closed. Also, Fig. 3 and Fig. 4 show a double-swing type shielding opening / closing device, with Fig. 3 showing the case where it is fully closed and Fig. 4 showing the case where it is fully open.

[0015] The long body 2 for operating the shielding material is used in a loop shape, and a drive device 4 is arranged at one end, which rotates the long body 2 for operating the shielding material via a drive device side loop reel 4-1 by the action of a spring, and at the other end is an opening / closing operation device 3 which has an opening / closing operation device side loop reel 3-1 which supports the long body rotatably horizontally, and the long body for operating the shielding material 2 is arranged between the drive device side loop reel 4-1 and the opening / closing operation device side loop reel device 3-1 which is provided on the shielding material open position side at the other end of the shielding material rail on the opposite side. The opening / closing operation device 3, which uses a method in which the long body 2 for operating the shielding material is rotated by the action of a power spring via a loop reel 4-1 on the drive device side, is equipped with a loop reel 3-1 on the opening / closing operation device side that pulls out and pushes out the long body 2 for operating the shielding material by the action of a built-in power spring (not shown), and further has a front runner 5-1 that is connected and fixed to the long body 2 for operating the shielding material, and is designed to semi-automatically open and close the shielding material 6 suspended via a shielding material hanging device (runner) 7.

[0016] The opening / closing operation device 3 and the drive device 4 will be described in more detail with reference to FIGS. 5 is an enlarged front view, partially cut away, showing the overall structure of the shielding material opening / closing device according to the present invention. In the present invention, a loop-shaped long body for operating a shielding material (hereinafter simply referred to as "long body") 2 is arranged inside the inverted recess of a shielding material rail 1 having an inverted concave cross section so as not to be visible from the outside, and both ends of the loop-shaped long body are hung on loop reels 3-1 on the opening / closing operation device side and loop reels 4-1 on the drive device side, maintained in an extended state, and rotated between the loop reels in accordance with the operation of the loop reels. At this time, a leading runner 5-1 is provided for each shielding material 6, at a position of the long body for operating a shielding material 2 synchronized with its leading position, i.e., at the shielding material opening / closing reference position.

[0017] This shielding material opening / closing reference position is provided in one location for a single-swing type (see Figure 2), and in a double-swing type shielding material opening / closing device, it is provided for each shielding material, for a total of two locations (see Figure 3).In addition, behind the front runner 5-1, there are shielding material suspenders (runners) 7 for suspending the shielding materials 6, the number of which matches the length of the shielding material rail 1.

[0018] FIG. 5 shows a drive system that combines an opening / closing operation device 3 and a drive device 4 to rotate the elongated body 2 in its length direction. The opening / closing operation device 3 operates the built-in clutch mechanism 3-3 by "pulling" and "releasing" the operating string 3-2, which rotates the long body 2 and stops the loop reel 3-1 on the opening / closing operation device side by spinning freely, thereby moving and stopping the long body 2. The clutch mechanism operates by utilizing the power of the "string retraction spring 3-4" which is connected to the clutch mechanism 3-3 and serves as its drive source; when the operating string 3-2 is pulled, the clutch is activated by the clutch mechanism, and when the operating string 3-2 is released, the clutch is released and the loop reel 3-1 on the opening / closing operation device side spins freely.

[0019] On the other hand, the drive unit 4 incorporates a drive spring 4-2 that serves as a drive source for rotating the elongated body 2, and the stored force is generated by the rotation of the elongated body 2 that accompanies the opening and closing of the shielding material 6. Reference numerals 4-4A and 4-4B denote drive unit cases that can be separated into upper and lower parts and that house the drive spring (see Figure 6). In addition, in the drive device 4, a drive device side loop reel 4-1 that rotates the elongated body 2 is attached to the shaft of the drive spring.

[0020] Furthermore, a free stop mechanism 5 is provided that can position the shielding material 6 at any position on the shielding material rail 1. The free stop mechanism 5 includes a leading runner 5-1 connected to and fixed to the elongated body 2, a ratchet mechanism 5-2 installed on the top surface of the drive spring 4-2, and a ratchet (stopper) 5-2a and one or more case-side projections 5-2b (see Figure 7).

[0021] The operation of this free stop mechanism 5 is such that the ratchet 5-2a installed in the drive device 4 at one end of the shielding material rail 1 allows the drive spring 4-2 to rotate freely on the winding side, and when the winding operation is stopped (the operating string 3-2 of the opening / closing operation device 3 is returned), the ratchet 5-2a gets caught and stops at that position. By repeating this operation any number of times, it can be stopped at any position. On the other hand, to release the stopper, rotate it slightly in the winding direction (by pulling the operating cord of the opening / closing operating device) and then release your hand, which will reverse the direction of the ratchet 5-2a and release the stopper.

[0022] In the shielding material opening / closing device configured as described above, when the shielding material 6 is opened from a completely closed state, the operating cord 3-2 is grasped and pulled downward, which activates the clutch and rotates the looped elongated body. When the operating cord 3-2 is returned due to the force of the cord rewinding spring, the clutch is released and the loop reel 3-1 on the opening / closing operating device side spins freely. In this way, by repeatedly "pulling and rewinding" the operating cord 3-2, the looped elongated body 2 can be rotated in one direction, and the shielding material 6 connected to it can be operated. During this opening operation, the drive spring 4-2 that constitutes the drive unit 4 is "wound up" and energy is stored in the spring. This action occurs every time the shielding material is opened, and energy is stored in the spring, providing the propulsive force for self-closing. On the other hand, when closing the shielding material 6, the force stored in the drive spring is released by releasing the ratchet 5-2a, and the shielding material 6 closes semi-automatically.

[0023] The shielding material opening / closing device of the present invention is a shielding material opening / closing device that rotates the long body for operating the shielding material that is installed between the shielding material rail and the shielding material using the restoring force of a spring as described above, and by adopting a free stop mechanism that can stop the long body for operating the shielding material at any position without pulling it out from the shielding material rail, not only can the shielding material opening / closing operation be performed easily and quickly, but it is also excellent in that it is a shielding material opening / closing device with a neat appearance, with only the short operating cord that operates the shielding material and the drive devices and opening / closing operation devices at both ends housed in a case exposed near the shielding material rail. [Explanation of symbols]

[0024] 1 Shielding rail 2 Long body for manipulating shielding material 3 Opening / closing operation device 3-1 Operation side loop reel 3-2 Operating cord 3-3 Clutch mechanism 3-4 String retraction spring 3-5 Connecting gear 3-6 Reduction gear 3-7A Opening and closing operation device case top 3-7B Lower part of opening / closing operation device case 4. Drive unit 4-1 Drive unit side loop reel 4-2 Drive spring 4-3 Mainspring adjustment groove 4-4A Drive unit case top 4-4B Drive unit case bottom 5 Free stop mechanism 5-1 Leading runner 5-2 Ratchet mechanism 5-2a Ratchet (stopper) 5-2b Case side protrusion 6 Shielding material 7 Shielding material hanging device (runner) 20 Curtains 21 Opening and closing reel device 22 Long body 24 Curtain rail 25 Folded section 26 Connecting part 27 (long body) gripping part 28 Guide section

Claims

1. The long body for operating the shielding material is looped between loop reels installed at both ends of the side end of the opening / closing operation device and the side end of the drive device within the shielding material rail, The shielding material is provided with a leading runner that is connected to and fixed to the elongated body for operating the shielding material at the shielding material opening / closing reference position of the elongated body for operating the shielding material, and the shaft of the loop reel on one side is rotated using the restoring force of a spring as power to open and close the shielding material, a free stop mechanism that can stop the shielding material operation elongated body at any position on the shielding material rail; The free stop mechanism is The front runner; a manual position control device that moves and stops the leading runner at any position, the manual position control is a ratchet mechanism mounted on the drive at one end of the shielding rail; The ratchet mechanism rotates freely on the side that winds up the drive spring that constitutes the drive device, and when the operating string of the opening and closing operation device is pulled out, the rotation rotates freely, and when the pulled out operating string is returned, the ratchet gets caught and stops at that position, and this operation can be repeated any number of times to stop the leading runner at any position.

2. The shielding material opening / closing reference position of the shielding material operation elongated body is At the corresponding position of the shielding rail synchronized with the position of the leading runner when the shielding material is fully closed, When the shielding material is a one-sided swing type, one shielding material opening / closing reference position is defined, 2. The shielding material opening and closing device according to claim 1, wherein when the shielding material is a double-opening type, two shielding material opening and closing reference positions are defined.

3. When the operating string installed on the opening / closing operation device is pulled, the rotation of the side that winds up the drive spring rotates freely, and the shielding material moves, 3. The shielding material opening and closing device according to claim 1, wherein when the operating string is returned, the winding operation of the drive spring is stopped and the shielding material is also stopped.

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