JP2010112116A - Opening and closing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an opening and closing device with a center column in a simple structure, which enables the smooth opening and closing of a shutter curtain by shortening the discontinuous section of a center column guide rail. <P>SOLUTION: In the opening and closing device with a plurality of shutter curtains connected and the center column 3 provided between the shutter curtains, horizontal rails 8 are installed facing with each other along lintels 17, a freely travelling travel carriage 21 is provided through travel wheels 11 travelling on the horizontal rail, the travel carriage has a base side undergoing the suspension of the center column and a base side section 25 provided with the travel wheels, the base side section extends from the base section in the center column moving direction to form a passage for the shutter curtain between the base side sections, and shutter curtain guides 26, 28 are provided on the tip inside of the base side section. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an opening / closing device that is installed in an opening of a hallway, has a plurality of shutter curtains, and has a movable middle pillar between the shutter curtains.

  In an opening / closing device provided in an opening of a building or structure, the opening / closing device provided with an opening having a wide opening has a limitation on the size of the opening / closing by one shutter curtain due to the strength and rigidity of the shutter curtain. Has a plurality of shutter curtains, and a middle pillar is provided between the shutter curtains.

  Further, when the opening / closing device is in the open state, the middle column becomes an obstacle, so the middle column is removed or moved to the side of the opening. Further, in an opening / closing device such as a panel shutter, the middle pillar is large and heavy, and is therefore movable.

  First, an outline of an opening / closing device in which the shutter curtain is constituted by a panel will be described with reference to FIGS. 11 and 12 show a case where the opening / closing device has two shutter curtains.

  Guide rails 1 and 2 are provided at both width ends of the opening, a middle pillar 3 is provided at the center of the opening, and a shutter curtain storage box 4 is provided above the opening.

  Each of the left and right shutter curtains 5 and 6 has a configuration in which a required number of panels 10 are connected in a vertical direction by a rope member such as a chain. The left and right shutter curtains 5 and 6 are guided by the guide rail 1, the middle column 3, the guide rail 2, and the middle column 3, respectively, and are moved up and down, and the panel 10 that is further raised is a horizontal guide rail (not shown). The panels 10 are stored in the shutter curtain storage box 4 in a state of being suspended from the horizontal guide rails.

  When the shutter curtains 5 and 6 are stored in the shutter curtain storage box 4 and the opening is opened, the middle column 3 is moved in the horizontal direction and is provided on the guide rail 1 or the guide rail 2 side. It is designed to be stored in the designated storage space.

  A conventional support structure for the middle pillar 3 will be described with reference to FIGS.

  The middle pillar 3 is suspended from a pair of horizontal rails 8 via a traveling carriage 7, and the horizontal rails 8 face each other across the space through which the panel 10 passes and are installed in parallel with the massa 17. Has been.

  The traveling carriage 7 is composed of a plate-shaped carriage section 9 formed in a concave shape and two traveling wheels 11 provided on both sides of the carriage section 9, and the traveling wheels 11 ride on the horizontal rail 8. It is the composition to do. Further, the middle column 3 is suspended from the cart portion 9 via a pivot 12 and is rotatable via the pivot 12.

  The middle column 3 supports the shutter curtains 5 and 6 in a closed state and serves as a lifting guide when the shutter curtains 5 and 6 are opened and closed. Guide rails 14 are provided at both width portions of the middle column 3. The guide rail 14 is formed so as to be continuous with a fixed guide rail (described later) provided on the shutter curtain storage box 4 side in a state where the middle pillar 3 is installed.

  With reference to FIG. 15, the relationship between the fixed guide rail 18 and the guide rail 14 will be described.

  In FIG. 15, 15 is a front wall, 16 is a ceiling plate, 17 is a magnet, and the horizontal rail 8 is provided integrally with the magnet 17.

  A space is formed between the shutter curtain storage box 4 and the ceiling plate 16 in terms of construction, and the fixed guide rail 18 is provided between the shutter curtain storage box 4 and the ceiling plate 16. The middle pillar 3 is installed on the extension of the fixed guide rail 18.

  As described above, since the traveling carriage 7 is free to travel, a gap A is required between the carriage section 9 and the fixed guide rail 18, and the middle pillar 3 is disposed on the carriage section 9. In this case, a gap B is required between the middle column 3 and the carriage unit 9.

  Accordingly, a discontinuous portion (A + B) is formed between the guide rail 14 and the fixed guide rail 18, and when the panel 10 passes through the discontinuous portion, the fixed guide rail 18 or the middle In some cases, the column 3 is not smoothly guided.

JP 2008-88733 A

  In view of such circumstances, the present invention shortens the discontinuous portion of the guide rail with a simple configuration, and enables the shutter curtain to be smoothly opened and closed.

  According to the present invention, in a switchgear in which a plurality of shutter curtains are provided, and a central pillar is provided between the shutter curtains, horizontal rails are provided opposite to each other along the masa, and traveling on the horizontal rails. A traveling carriage is provided so as to be able to travel through wheels, and the traveling carriage has a base portion on which the central pillar is suspended and a base side portion on which the traveling wheels are provided. The present invention relates to an opening / closing device that extends in the moving direction of the middle pillar, forms a passage for a shutter curtain between the side portions of the base, and has a shutter curtain guide portion inside the front end portion of the side of the base.

  The present invention also relates to the shutter curtain guide portion, which is a panel guide piece provided integrally with the base side portion and an opening / closing device which is a chamfered portion formed inside the panel guide piece, and the shutter curtain guide portion. The guide portion relates to a panel guide piece provided integrally with the base side portion and an opening / closing device which is a guide roller provided on the panel guide piece.

  According to the present invention, a braking device is provided at an end portion of the horizontal rail. The braking device has a braking block. The braking block is formed with a braking groove to be fitted to the traveling wheel. The present invention relates to an opening / closing device that moves in the braking groove and brakes the traveling carriage by a frictional force.

  According to the present invention, in an opening / closing device in which a plurality of shutter curtains are provided and a middle column is provided between the shutter curtains, horizontal rails are provided opposite to each other along the musa, and the horizontal rails are laid on each other. A traveling carriage is provided so as to be able to travel freely through traveling wheels, and the traveling carriage has a platform portion on which the central pillar is suspended and a platform side portion on which the traveling wheel is disposed, and the platform side portion is the platform. Since a shutter curtain passage is formed between the base side portions by extending in the moving direction of the middle pillar from the portion, and a shutter curtain guide portion is provided inside the front end portion of the base side portion, the shutter curtain guide portion is The shutter curtain is guided in the space where the traveling carriage travels, the guide rail notched portion of the middle pillar is supplemented, and the shutter curtain can be smoothly raised and lowered.

  According to the invention, the shutter curtain guide portion is a panel guide piece provided integrally with the base side portion and a chamfered portion formed inside the panel guide piece, so that the number of parts is small. It is possible to reduce the manufacturing cost with a simple configuration.

  According to the invention, since the shutter curtain guide portion is a panel guide piece provided integrally with the base side portion and a guide roller provided on the panel guide piece, the shutter curtain is the shutter curtain guide portion. The contact at the time of passing through becomes a rolling contact, which is smooth and can reduce noise.

  According to the invention, a braking device is provided at the end of the horizontal rail, the braking device has a braking block, and the braking block is formed with a braking groove to be fitted to the traveling wheel. Since the wheel moves in the braking groove and the traveling carriage is braked by the frictional force, excellent effects such as reduction of impact and noise during storage of the middle pillar are exhibited.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  The switchgear according to the present invention will be described with reference to FIGS. The outline of the switchgear is the same as that in FIGS. 11 and 12, and is not shown. In FIGS. 1 to 5, the same components as those shown in FIGS. Is attached.

  The middle pillar 3 is suspended from the traveling carriage 21, and the traveling carriage 21 rides on the horizontal rail 8 via the traveling wheels 11, and the traveling carriage 21 can travel in the horizontal direction along the horizontal rail 8. It has become.

  In addition, a fixing device 22 is provided in the middle column 3, and the middle column 3 can be fixed to the floor surface in a state where the middle column 3 is installed by the fixing device 22.

  The traveling carriage 21 includes a carriage section 23 having a concave section at the center, and the traveling wheels 11 provided on two side surfaces of the carriage section 23, and the carriage section 23 is formed from a base part 24 at the center part and a base side part 25 at both side face parts. The pedestal side 25 extends forward and rearward from the pedestal 24 (the right side in FIG. 4 is the front), and the front end and the rear end extend to the edge of the guide rail 14. Between the base side portions 25 and 25, there is a passage when the panel 10 passes, and there is a gap between the base side portions 25 and 25 so as not to contact the panel 10. It has been.

  The middle column 3 is rotatably suspended through the pivot 12 on the base 24, and a lock hole 30 into which an upper lock pin 37 (see FIG. 6) described later is fitted is formed in the base 24. Has been.

  Panel guide pieces 26 are provided symmetrically inside the front end and the rear end of the base side portion 25, respectively. The position in the width direction of the inner edge of the panel guide piece 26 is set to a position that is hooked on a tapered portion 27 formed at the upper end of the guide rail 14, and a chamfered portion 28 is provided at the upper inner edge portion of the panel guide piece 26. Is formed.

  The panel guide piece 26 is in a state of substantially satisfying the gap A shown in FIG. 15, the discontinuous portion (A + B) shown in FIG. 15 is reduced, and the chamfered portion 28 is formed on the panel guide piece 26. Therefore, when the panel 10 passes over the fixed guide rail 18 and the middle pillar 3, smooth movement becomes possible, and the panel guide piece 26 and the chamfered portion 28 are connected to the panel 10. That is, it functions as a shutter curtain guide part.

  The fixing device 22 will be described with reference to FIGS. 1, 6, and 7. 6 and 7 show a state in which the front panel of the middle pillar 3 is removed and the inside is exposed.

  A concave portion 29 penetrating vertically is formed in the central portion of the middle pillar 3, and the fixing device 22 is accommodated in the concave portion 29. The fixing device 22 has a handle 31 exposed to the indoor side of the middle pillar 3, and the handle 31 is rotatably supported via a shaft (not shown), and the upper and lower link plates 32, The link plates 32 and 32 are moved up and down by rotating the handle 31.

  An upper rod 34 and a lower rod 35 are connected to the handle 31, and an upper lock block 36 is provided at the upper end of the upper rod 34. The upper lock block 36 has an upper lock pin 37 protruding upward. Yes. A lower lock block 38 is provided at the lower end of the lower rod 35, and the lower lock block 38 has a lower lock pin 39 protruding downward.

  A fixed bar 41 is fixed to a lower required position of the lower rod 35, and two spring guides 42 extending downward are provided on the fixed bar 41. A slide cover 43 slides on the spring guide 42. A compression spring 44, which is an urging means, is provided between the slide cover 43 and the fixed bar 41 in a state of being fitted around the spring guide 42.

  A skirt portion 45 is provided at the lower end of the middle pillar 3 so as to freely enter and exit. The skirt portion 45 is fixed to the lower end of the slide cover 43, and the skirt portion 45 is displaced relative to the lower rod 35 in the vertical direction. It is possible and is urged downward by the spring guide 42. The lower lock pin 39 penetrates the skirt portion 45 and protrudes downward. When the skirt portion 45 is relatively displaced upward, the lower lock pin 39 protrudes downward from the skirt portion 45. Yes.

  Thus, when fixing the middle pillar 3, the upper lock block 36 moves upward by rotating the handle 31, and the upper lock pin 37 moves into the lock hole 30 of the base portion 24. The rotation of the middle pillar 3 is restricted by fitting. Further, the lower lock block 38 moves downward via the lower rod 35, and the lower lock pin 39 is fitted into a lock hole (not shown) provided on the floor surface so that the rotation of the middle pillar 3 is performed. Regulate horizontal movement.

  The skirt portion 45 is displaced downward together with the lower lock block 38, and after contacting the floor surface, only the lower lock block 38 is displaced downward against the compression spring 44. Therefore, even when the level of the floor surface has an error with respect to a specified value, a gap is not generated at the lower end of the middle column 3 due to relative displacement of the skirt portion 45 with respect to the lower lock block 38.

  When the middle column 3 is moved and stored in a fixed position, a stopper is required. However, the middle column 3 is a large heavy object, has a large inertial force, and has a large impact when stopped.

  In the present invention, as shown in FIGS. 8 and 9, a braking device 51 is provided at the retracted position (stop position) so that the braking force is applied at the time of stop to reduce the impact. In FIG. 8, the middle column 3 located on the left side shows a retracted posture rotated 90 ° about the pivot 12.

  A braking block 52 is provided at the end of the horizontal rail 8, that is, at the stop position.

  The braking block 52 is made of a synthetic resin having flexibility and / or elasticity, such as polyamide and polyurethane, and has a braking groove 53 formed therein.

  As shown in FIG. 9, the braking groove 53 has a stopper portion 54 and a braking portion 55 at the terminal end, and the outer peripheral portion of the traveling wheel 11 is fitted to the upper end portion and the lower end portion of the braking groove 53. Similarly, a rolling groove 56 is recessed.

  Further, the groove width H of the braking groove 53 is smaller than the outer diameter of the traveling wheel 11, and the traveling wheel 11 moves the braking groove 53 so as to expand the braking groove 53, and the stopper Stopped at section 54. Therefore, a frictional force acts when the traveling wheel 11 moves L along the braking portion 55, and a braking force acts when the middle pillar 3 is stopped. Thus, the impact when the middle pillar 3 is stored is suppressed, and the generation of noise is suppressed.

  The adjustment of the braking force by the braking block 52 is determined by appropriately selecting the groove width H and the moving distance L. In the braking block 52, the stopper portion 54 and the braking portion 55 are integrally formed. However, the stopper portion 54 and the braking portion 55 may be separated.

  The braking device 51 is installed not only at the end of the horizontal rail 8 but also on a horizontal rail (not shown) provided in the shutter curtain storage box 4 in order to perform braking in the shutter curtain storage box 4. May be.

  Next, a second embodiment of the present invention will be described with reference to FIG.

  In the second embodiment, the panel 10 passes through the panel guide piece 26 more smoothly. A support shaft 47 is attached to the panel guide piece 26, and a guide roller 48 is attached to the support shaft 47. Like the chamfered portion 28, it is provided so as to be able to pass through the panel 10 smoothly. Further, since the contact with the panel 10 becomes a rolling contact, the movement becomes smoother. The material of the panel guide piece 26 and the guide roller 48 may be a metal or a synthetic resin. In the second embodiment, the panel guide piece 26 and the guide roller 48 constitute a shutter curtain guide portion.

It is a perspective view of the middle pillar concerning a 1st embodiment of the present invention. It is A arrow directional view of FIG. It is a top perspective view of the middle pillar concerning a 1st embodiment. It is a perspective view of the traveling trolley | bogie which concerns on 1st Embodiment. It is a front view of the traveling carriage. It is a front view which shows the inside of the center pillar which concerns on 1st Embodiment. It is a perspective view which shows the inside of the center pillar which concerns on 1st Embodiment. It is a front view of the braking device used for the present invention. It is a perspective view of the brake block used for this brake device. It is a top side view of the middle pillar which concerns on the 2nd Embodiment of this invention. It is a front view which shows an example of the switchgear in which this invention is implemented. It is a side view which shows an example of the switchgear in which this invention is implemented. It is a perspective view which shows the middle pillar of a prior art example. It is a top perspective view of the middle pillar of a conventional example. It is an upper side view of the middle pillar of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 3 Middle pillar 4 Shutter curtain storage box 5,6 Shutter curtain 8 Horizontal rail 11 Traveling wheel 16 Ceiling board 17 Massa 18 Fixed guide rail 21 Traveling carriage 22 Fixing device 23 Carriage part 24 Stand part 25 Stand side part 26 Panel guide piece 27 Taper Part 28 chamfering part 29 recessed part 31 handle 48 guide roller 51 braking device 52 braking block 53 braking groove 54 stopper part 55 braking part

Claims (4)

  In an opening / closing device in which a plurality of shutter curtains are provided, and a central pillar is provided between the shutter curtains, horizontal rails are provided opposite to each other along the masa, and through a traveling wheel that rides on the horizontal rails. A traveling carriage is provided so as to be able to run freely. The traveling carriage has a base part on which the central pillar is suspended and a base side part on which the traveling wheel is provided. The base side part moves the central pillar from the base part. An opening / closing device characterized in that a shutter curtain passage is formed between the base side portions by extending in a direction, and a shutter curtain guide portion is provided inside the front end portion of the base side portion.   2. The opening / closing apparatus according to claim 1, wherein the shutter curtain guide portion is a panel guide piece provided integrally with the base side portion and a chamfered portion formed inside the panel guide piece.   2. The opening / closing device according to claim 1, wherein the shutter curtain guide part is a panel guide piece provided integrally with the base side part and a guide roller provided on the panel guide piece.   A braking device is provided at the end of the horizontal rail, the braking device has a braking block, and the braking block is formed with a braking groove that fits into the traveling wheel, and the traveling wheel passes through the braking groove. The opening / closing apparatus according to claim 1, wherein the traveling carriage is moved and braked by the frictional force.

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