JP5957261B2 - Accordion door - Google Patents

Description

  The present invention relates to an accordion door that can prevent and hold the folded back of the accordion door when the accordion door is folded.

  As such a conventional accordion door, one disclosed in Patent Document 1 is known. What is shown here is that a winder rotated by a spring is housed in a housing attached to one of the frames fixed to both ends of the accordion door, and a wire connected to the winder is provided. A cylindrical part protrudes outwardly on the side wall of the casing that is pulled out, and a circular hole that penetrates into the casing is formed in the cylindrical part, and a rotating piece is pivotally supported on the lower surface of the cylindrical part. The upper end protrudes into the circular hole when the rotating piece is upright when it is in the free state, the lower end is slidably penetrated into the lower side wall of the circular hole, and the stopper is always provided with a sliding property by a coil spring. The accordion is inserted in the middle of the wire attached to the wire fixing device that is in contact with the tip of the wire, connected at one end to the winder, and fixed at the other end to the other frame. When the door is folded, the wire is wound by the winding force of the mainspring and the circle It is adapted to prevent the reversal of accordion doors folded by engaging the stopper to the fitting and united and turning piece fitted within.

  As a result, when the closed accordion door is to be folded, it can be automatically folded by the winding force accumulated in the mainspring, and after the folding, the fitting attached to the wire receives the action of the stopper. Since it engages with the rotating piece and fits in the circular hole and is fastened, the accordion door does not automatically spread and the accordion door will not automatically spread unless pulled out from the circular hole with a strong force, The folded state can be maintained.

Japanese Utility Model Publication No. 58-36790

  Such accordion door decorative coverings are generally made of vinyl chloride, and in the winter season they become harder and more repulsive when folded, and in the summer the softer and more repelled when folded. There is a tendency for power to weaken. For this reason, if the holding power of the stopper is weak, the accordion door may not be held in the folded state in the winter, but may be unfolded in the closing direction even in the summer, when the repelling force of the decorative covering material is weak. . On the other hand, if the holding force of the stopper is strong, even if there is no problem in winter when the dressing material has a strong repulsive force, the holding force in the folded state of the accordion door is too strong in the summer and the stopper is disengaged. So that the operating load becomes heavy, the holding force of the fixed side frame that is the non-operating side of the accordion door is lost, and the fixed side frame moves together with the operating side frame. Therefore, the stopper may not be released.

  And the thing described in the said patent document 1 also engages with a rotation piece and a fitting body, when the stopper which gave the sliding slidability to the said outside with a coil spring presses a rotation piece, and a fitting body However, since the engaging force of the stopper is not changed by the coil spring, there is a problem that it cannot cope with the change in the bending resistance of the leather.

  The present invention has been made in view of such problems, and it is intended to provide an accordion door that allows a user to adjust the holding power of an accordion door that is easily folded according to the temperature change of the season or the accordion door usage environment. For that purpose.

In order to achieve the above-described object, according to one embodiment of the present invention , a plurality of extendable hinges are arranged between frames provided at both ends in the left-right direction, and a cosmetic covering material is arranged before and after the plurality of hinges. The accordion door body is formed by the reel stopper that can hold the accordion door body in the open state in the accordion door body, and the reel stopper is fixed to the stopper case and the stopper case A cord reel that is rotatably supported, a cord that has one end fixed to the cord reel so that it can be wound and a cord that is fixed to the movable frame of the accordion door body, and a rotation of the cord reel in the cord winding direction Cord reel biasing means for biasing the accordion door body in the closing direction. When the cord is pulled out from the cord reel, when the accordion door body is operated in the opening direction, the code in the accordion door adapted to be wound on the cord reel,
The cord is provided with a member to be locked so as to be able to enter and leave the stopper case. The member to be locked can be locked and unlocked by the locking member, and the locking member is always locked by the locking member biasing means. The cord is held by the latching member by the latching member latching the latched member by the biasing force of the latching member biasing means, and the state where the cord is wound around the cord reel is held, and the cord is pulled out. The locking member can be unlocked against the locked member against the biasing force of the locking member biasing means, and the biasing force of the locking member biasing means can be adjusted from the outside of the accordion door body An adjusting device is provided.

Further, according to one aspect of the present invention, the locking member urging means is a coil spring, and the coil spring has one end abutting on the locking member and the other end connected to the adjustment device. The distance between the other end and the locking member can be adjusted.

Furthermore, one aspect of the present invention is characterized in that the adjustment device is movable in the opening and closing direction of the accordion door body, and the urging force by the locking member urging means can be adjusted by the amount of movement of the adjustment device.

Furthermore, one embodiment of the present invention is characterized in that an operation unit capable of adjusting the adjustment device is provided in one of the frames at both ends in the left-right direction.

  According to the present invention, since the urging force by the locking member urging means can be adjusted by the adjusting device, the holding force of the locked means by the locking member can be increased when the urging force is increased. When the force is reduced, the holding force of the locked means by the locking member can be reduced, and the holding force of the locked means is adjusted by the locking member according to the season and the temperature change of the accordion door usage environment. be able to.

  Further, since the adjusting device can be adjusted from the outside of the accordion door body, the user can easily adjust the adjusting device.

It is a front view of the accordion door of the 1st Embodiment of this invention. It is a front view showing the inside of the accordion door of the 1st Embodiment of this invention. It is a side view of the accordion door of the 1st Embodiment of this invention. The state of the reel stopper of the summer of the 1st Embodiment of this invention is represented, (a) is a sectional side view of a reel stopper and a fixed side frame, (b) is a front view of the operation part of an adjustment apparatus. The state of the reel stopper in winter of the first embodiment of the present invention is shown, (a) is a side sectional view of the reel stopper and the fixed side frame, and (b) is a front view of the operation unit of the adjusting device. It is a partial sectional side view of the reel stopper and fixed side frame of the 1st embodiment of the present invention, (a) shows the state where a cam has locked a locked means, and (b) is engaged by a cam. (C) shows the state after the locking of the locking means by the cam is released. It is a front view showing the various examples of the operation part of an adjustment apparatus.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 to 3, the accordion door 10 according to the first embodiment of the present invention is disposed in an opening frame 100 such as an indoor door frame and closes the opening. The rail 12 of the accordion door 10 is attached to the upper frame 100a of the opening frame 100, and the accordion door main body 16 is suspended and supported by a plurality of runners 14 capable of traveling on the rail 12. The accordion door body 16 includes a fixed frame 18 serving as a fixed side end and a movable frame 20 serving as a movable side end provided at both left and right ends, and a hinge that can extend and contract between the fixed frame 18 and the movable frame 20. 22 and a cosmetic covering material 24 made of cloth, plastic sheet, leather or the like that is connected to the hinge 22 and arranged before and after the hinge 22. In the present embodiment, the hinges 22 are provided in three stages at equal intervals in the vertical direction, but the present invention is not limited to this, and a plurality of hinges 22 can be provided at appropriate intervals according to the size of the accordion door body.

  As shown in FIG. 3 of the side surface 18a of the fixed frame 18, the fixed frame 18 and similarly the movable frame 20 are provided with magnets 26 and 28 at two places above and below the side surfaces 18a and 20a, respectively. The magnets 26 of the fixed frame 18 can be attracted to the metal plates 102 provided at two positions above and below the left frame 100b of the opening frame 100, and the magnet 26 and the metal plates 102 are attracted to each other, thereby Removably fixed to the frame 100b. On the other hand, the magnet 28 of the movable frame 20 can be attracted to the metal plates 104 provided at two positions above and below the right frame 100c of the opening frame 100, and the movable frame 20 is detachably fixed to the right frame 100c. The magnet 26 is attracted to the metal plate 102 with an attracting force that does not easily disengage from the left frame 100b by the opening / closing operation of the decorative covering material 24, while the magnet 28 is opened in the opening direction of the decorative covering material 24. Is attracted to the metal plate 104 with an attracting force that can be easily detached from the right frame 100c.

  Grip portions 30 are provided on the front and rear surfaces of the movable frame 20 so as to protrude in the front-rear direction. The movable frame 20 can be moved along the rails 12 by gripping these grip portions 30.

  A reel stopper 40 is provided in the accordion door body 16, and the reel stopper 40 has a stopper case 42 that is fixed to the fixed frame 18 in the accordion door body 16.

  The stopper case 42 has a case main body 44 and a case lid 45 as shown in FIGS. A cylindrical cavity is formed in the case body 44, and a circumferential partition wall 44 a is formed integrally with the case body 44 in the cavity.

  A cord reel 46 is rotatably disposed in the cylindrical cavity in the case main body 44. The cord reel 46 is integrally formed with a circumferential winding portion 46a and a central portion 46b at the center thereof. The winding portion 46a is on the outer peripheral side of the partition wall 44a, and the central portion 46b is a partition wall. It is arranged on the inner peripheral side of 44a.

  One end of the cord 60 is fixed to the winding portion 46a, and the cord 60 can be wound around the winding portion 46a. The other end of the cord 60 is led out of the stopper case 42 and fixed to the movable frame 20 via the fixture 51. A cylindrical lock body (locked member) 62 is attached to a midway position of the cord 60 led out of the case main body 44.

  A mainspring (cord reel biasing means) 48 is disposed on the inner peripheral side of the partition wall 44a. One end of the mainspring 48 is formed in the central portion 46b of the cord reel 46 and the other end is formed in the case main body 44. It is connected to the portion 44b. Due to the urging force of the mainspring 48, the cord reel 46 is constantly urged to rotate in the cord winding direction.

  Below the case body 44 of the stopper case 42, there are a cord turning portion 49 that changes the direction in which the cord 60 led out of the case body 44 is changed, and a lower portion of the stopper case 42 of the cord 60 that is turned by the cord turning portion 49. And a code guide unit 50 for guiding the derivation from. The cord guide portion 50 can accommodate the lock body 62 therein, and is guided by the cord guide portion 50 through the cord guide portion 50 so that the lock body 62 can enter and exit the stopper case 42.

  Further, a cam (locking member) 52 is pivotally supported between the case main body 44 of the stopper case 42 and the cord guide portion 50 so as to be rotatable. A stopper 55 provided at one end of a coil spring (locking member urging means) 54 is in elastic contact with the upper portion of the cam 52, and the lower portion of the cam 52 can contact the lock body 62 to lock the lock body 62. is there. When the cam 52 is engaged with the lock body 62, the cord 60 is kept wound around the cord reel 46, and the cam 52 resists the biasing force of the coil spring 54 according to the magnitude of the pulling force of the cord 60. When the lock on the lock body 62 is released, the cord 60 can be pulled out.

  The other end of the coil spring 54 is connected to the adjusting device 56. The adjusting device 56 is composed of a male screw, the screw tip 56a is connected to the coil spring 54, the screw shaft 56b is screwed into the fixed frame 18 and penetrates the fixed frame 18, and the head 56c is the side surface 18a of the fixed frame 18. Protrudes from the outside. When the adjusting device 56 rotates, the adjusting device 56 moves to the side of the fixed frame 18, that is, in the opening / closing direction of the accordion door body 16.

  As shown in FIGS. 3 and 7A, the head 56 c of the adjustment device 56 constitutes the operation unit 58 together with the side surface 18 a of the fixed frame 18. An arrow 58a is attached above the head portion 56c protruding from the side surface 18a of the fixed frame 18, and a display portion 58b displaying "summer season" and "winter season" is attached to the upper left and right of the arrow 58a in the figure. Yes. The arrows 58a and the display 58b indicate that the biasing force applied to the cam 52 by the coil spring 54 is adjusted by the adjusting device 56 in summer and winter in response to the repulsive force of the decorative covering material 24 changing between summer and winter. The rotation direction of the head 56c for adjustment is shown.

  The operation of opening and closing the accordion door body 16 in the accordion door body 16 configured as described above will be described with reference to FIGS. 6 (a) to 6 (c).

(1) FIG. 6A shows a state in which the decorative covering material 24 is completely folded and the accordion door body 16 is in an open state. In this state, the cord 60 is almost completely wound around the cord reel 46. The lock body 62 is located in the cord guide portion 50 and receives the repulsive force of the folded cosmetic covering material 24, so that the lock body 62 is in contact with the cam 52. The urging force of the coil spring 54 acts on the cam 52, and the folded state is thereby maintained.

(2) In order to open and close the accordion door main body 16 in the opened state by expanding the decorative covering material 24, the movable frame 20 is slid to the right in FIG. Since the other end of the cord 60 is fixed to the movable frame 20, a tensile force in the direction indicated by the arrow E in FIG. For this reason, the cord 60 is unwound from the cord reel 46 and the lock body 62 moves in the cord guide portion 50 in the right direction in the figure, so that the cam 52 pushed by the lock body 62 resists the urging force of the coil spring 54. Then, it rotates counterclockwise in the figure, and the restraint of the lock body 62 by the cam 52 is released.

(3) When the movable frame 20 is further slid, the cord 60 is unwound from the cord reel 46 and pulled out from the cord guide portion 50 as shown in FIG. At this time, the lock body 62 also moves in the direction indicated by the arrow F in the drawing together with the cord 60. The movable frame 20 is slid to a position where it contacts the right frame 100c of the opening frame 100, and the magnet 28 of the movable frame 20 is attracted to the metal plate 104 of the right frame 100c, thereby coupling the movable frame 20 to the right frame 100c. Accordingly, the accordion door body 16 is closed.

(4) In order to open the accordion door main body 16 in the closed state, the gripper 30 is held, the movable frame 20 is slid leftward in FIG. The cord reel 46 is automatically wound by the force, and when the lock body 62 is guided into the cord guide portion 50 and abuts against the cam 52, the cam 52 rotates in the clockwise direction in FIG. Passes the cam 52 and returns to the state of FIG.

  The cosmetic covering material 24 becomes soft in summer and weakens the repulsive force when folded, and becomes hard in winter and increases the repulsive force when folded. For this reason, in the summer when the repulsive force is weak, the urging force of the coil spring 54 is reduced, the holding force in the folded state is too strong, and the operation load for releasing becomes heavy, or when the cosmetic covering material 24 is deployed. The holding force of the fixed frame 18 on the counter-operation side is lost, and the fixed frame 18 is prevented from being released from the left frame 100b and the lock body 62 cannot be released. On the other hand, the repelling force of the decorative covering material 24 is strong. In winter, it is desirable to increase the urging force of the coil spring 54 so as to prevent the folded state from being unfolded and unfolding in the closing direction.

  Therefore, when adjusting in summer, as shown in FIG. 4B, the head 56c is rotated in the counterclockwise direction indicated by arrow A in the figure in accordance with the display of “summer” on the display unit 58b. As a result, the screw shaft 56b moves in the direction of the arrow B in the figure, the distance between the screw tip 56a (the other end of the coil spring 54) and the cam 52 increases, the urging force by the coil spring 54 decreases, and the cam 52 is indicated by a one-dot chain line. The state shown by the solid line changes from the state shown. For this reason, the holding force of the cam 52 in a state where the decorative covering material 24 is folded is reduced, the operation load for opening the decorative covering material 24 is lightened, and the lock body 62 is easily released at the time of deployment. Can do.

  On the other hand, when adjusting in winter, as shown in FIG. 5B, the head 56c is rotated in the clockwise direction indicated by an arrow C in the drawing in accordance with the display of “winter” on the display unit 58b. As a result, the screw shaft 56b moves in the direction of arrow D in the figure, the distance between the screw tip 56a (the other end of the coil spring 54) and the cam 52 approaches, the urging force by the coil spring 54 increases, and the cam 52 is shown by a one-dot chain line. The state shown by the solid line changes from the state shown. For this reason, the holding force of the cam 52 in the state in which the decorative covering material 24 is folded is increased, and the folded decorative covering material 24 can be prevented from being developed.

  In this way, the user can easily adjust the holding force according to the season and the temperature change of the accordion door usage environment.

  7B to 7D are other examples of the operation unit 58. FIG.

  FIG. 7B shows only a change in the display of the display unit 58b in FIG. 7A. In the upper left part of the arrow 58a, “weak” is displayed, “strong” is displayed in the upper right part, and “ "Holding force" is described respectively. When the head 56c is rotated counterclockwise in the figure as in the display portion 58b, the holding force of the cam 52 is weakened, and when the head 56c is rotated clockwise in the figure, the coil spring 54 is set so that the holding force of the cam 52 is increased. The urging force can be adjusted.

  FIG. 7 (c) is a change of the head 56c of the adjusting device 56 of FIG. 7 (a) to a lever 70. The lever 70 is rotated counterclockwise in the summer, and the lever is turned in the winter. It is adjusted by rotating clockwise in the figure. Accordingly, the urging force of the coil spring 54 can be adjusted with a weak operating force without using a tool.

  In FIG. 7D, the adjusting device 56 is adjusted by sliding the slider 72 in the vertical direction instead of the head 56c in FIG. 7A. The display 58b is also adjusted to the slider 72 according to the shape of the slider 72. The display is changed so that “summer season” is displayed on the upper portion of 72 and “winter season” is displayed on the lower portion, and the slider 72 is slid upward in the summer and slid downward in the winter. The biasing force of the coil spring 54 may be adjusted via a conversion mechanism that converts the vertical motion of the coil into an appropriate motion.

16 Accordion door main body 18 Fixed frame 20 Movable frame 22 Hinge 24 Cosmetic covering material 40 Reel stopper 42 Stopper case 46 Code reel 48 Mainspring (code reel biasing means)
52 Cam (locking member)
54 Coil spring (locking member biasing means)
56 Adjustment device 58 Operation unit 60 Cord 62 Lock body (locked member)

Claims (3)

A plurality of extendable hinges (22) are arranged between the frames (18, 20) provided at both ends in the left-right direction, and an accordion door main body ( 16) is formed, and in the accordion door body, a reel stopper (40) capable of holding the accordion door body in an open state is provided, and the reel stopper is one of the frames at both ends in the left-right direction. A stopper case (42) fixed to the inside of the side frame (18), a cord reel (46) rotatably supported by the stopper case, and one end fixed to the cord reel so as to be windable and the other end a code (60) which is secured to the frame (20) the other a is the movable side of the frames of the right and left end portions, Kodori Cord reel biasing means (48) for biasing rotation of the cord in the cord winding direction, and when the accordion door body moves in the closing direction, the cord is pulled out from the cord reel and the accordion door body is opened. When moving in the direction, in the accordion door that the cord is now wound on the cord reel,
The cord is provided with a locked member (62) so as to be able to go in and out of the stopper case. The locked member can be locked and unlocked by the locking member (52), and the locking member is locked. The member is always urged by the member urging means (54), and the urging force of the urging member urging means causes the locking member to lock the locked member, so that the cord is wound around the cord reel. The locking member can be released from being locked against the locked member against the biasing force of the locking member biasing means according to the pulling-out force of the cord. An adjusting device (56) capable of adjusting the force from the outside of the accordion door body is provided through the fixed frame ,
Accordion door adjustable operating unit an adjusting device (58) is characterized that you have provided outside of the frame of the fixed side.   The locking member urging means is a coil spring. One end of the coil spring is in contact with the locking member and the other end is connected to the adjusting device. The adjusting device connects the other end of the coil spring and the locking member. 2. The accordion door according to claim 1, wherein the distance is adjustable.   The accordion door according to claim 1 or 2, wherein the adjusting device is movable in an opening / closing direction of the accordion door main body, and an urging force by the locking member urging means can be adjusted by an amount of movement of the adjusting device.

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