JP5683928B2 - Switchgear - Google Patents

Description

  The present invention is disposed in an opening or in a building / structure such as a house, building, warehouse, factory, underground mall, tunnel, vehicle loading platform, etc., and closes the opening or partitions the space inside the housing. More particularly, the present invention relates to an opening / closing device suitable as a shutter device.

  In the conventional opening / closing device, a retaining member protruding from the widthwise end of the opening / closing body is locked in the guide rail to prevent the opening / closing body from coming off the guide rail (see, for example, Patent Document 1). A roll cushioning member (vinyl urethane tape) is provided on the end side in the width direction of the opening and closing body, and noise or the like when the opening and closing body is rolled up by this winding cushioning member (for example, patents) Reference 2).

By the way, in general, in the guide rail of the opening / closing device, in addition to the retaining member and the winding buffer member described above, a key bar protruding from the end in the width direction of the opening / closing body when fully closed, and a key for receiving the key bar Since a plurality of types of devices such as an obstacle sensor for detecting an obstacle on the closing direction side of the receiving part and the opening / closing body are disposed, there is no space.
For this reason, the winding buffer member needs to be positioned accurately to some extent in order to avoid interference with other devices, and the assembly work may take time. Further, the retaining member and the roll buffer member may need to be replaced due to damage or wear.

JP 2001-182455 A JP 2000-145324 A

  This invention makes it an example of a subject to cope with such a problem. That is, it is an object of the present invention to accurately dispose the winding buffer member in the guide rail, improve the assembling property and maintenance of the retaining member and the winding buffer member, and the like.

Technical means for solving the above problems include an opening / closing body that performs a closing operation so as to partition a space, a guide rail that guides the opening / closing direction by inserting an end portion in the width direction of the opening / closing body into the opening, A winding shaft that winds the opening / closing body on the opening direction side thereof, a retaining member provided on an end side in the width direction of the opening / closing body is engaged with the guide rail, and the opening / closing body is In the opening / closing apparatus configured to prevent the guide rail from being pulled out in the opening / closing body width direction, the retaining member is provided with a winding buffer member made of an elastic material so as to protrude in the opening / closing body thickness direction, An impact when the opening / closing body is wound around the take-up shaft by the winding buffer member is reduced, and the retaining member includes a fastening piece portion fixed to the opening / closing body, and the winding buffer member. A holding piece for holding It is integrally connected with an interval, and the widthwise end of the opening / closing body is inserted between the fastening piece and the holding piece, and the surface of the opening / closing body and the holding piece The roll buffer member is held in between.

Since the present invention is configured as described above, the following effects can be obtained.
Since the winding buffer member is provided on the retaining member, the winding buffer member and the retaining member can be handled integrally. For this reason, at the time of manufacture, the roll buffer member can be positioned by the operation of mounting the retaining member on the opening / closing body. Further, at the time of maintenance, the roll buffer member can also be replaced by replacing the retaining member.
Therefore, the winding buffer member can be accurately arranged in the guide rail, and the assembling property and the maintenance property of the retaining member and the winding buffer member can be improved.

It is a rear view which shows an example of the switchgear concerning this invention. It is the (II)-(II) sectional view taken on the line of FIG. It is a perspective view which shows an example of a retaining member and a winding buffer member. It is the (IV)-(IV) sectional view taken on the line of FIG. It is principal part sectional drawing which shows the state which removed the detachable piece part of the securing member. It is a principal part perspective view which shows the state which removed the detachable piece part of the securing member. It is a perspective view which shows the other example of a securing member and a roll buffer member. It is a perspective view which shows the other example of a securing member and a roll buffer member. It is principal part sectional drawing which shows the other example of the securing member. It is sectional drawing which shows the exchange procedure of the opening-and-closing body buffer means of a guide rail to (a)-(c).

  In an example of the present embodiment, an opening / closing body that performs a closing operation so as to partition a space, a guide rail that inserts an end of the opening / closing body in the width direction into the opening and guides the opening / closing direction, and the opening / closing body A winding shaft that winds on the opening direction side, and a retaining member provided on an end in the width direction of the opening / closing body is engaged with the guide rail, so that the opening / closing body is In the opening / closing apparatus configured to prevent the opening from being opened in the opening / closing body width direction, the retaining member is provided with a winding buffer member made of an elastic material so as to protrude in the opening / closing body thickness direction, and the winding buffer member Thus, the impact when the opening / closing body is wound around the winding shaft is reduced.

In a further preferred form, the retaining member integrally connects a fastening piece portion secured to the opening / closing body and a holding piece portion for retaining the roll buffer member at a predetermined interval. The widthwise end of the opening / closing body is inserted between the fastening piece portion and the holding piece portion, and the winding cushioning member is interposed between the surface of the opening / closing body and the holding piece portion. It is held so that it is pinched.
According to this configuration, the roll buffer member and the retaining member can be easily positioned, and the roll buffer member and the retainer member can be arranged with high accuracy.

In a more preferred form, a through hole in the opening / closing body thickness direction is provided in the holding piece, and the roll buffer member is projected from the through hole.
According to this configuration, it is possible to prevent the winding buffer member from shifting or coming off.

In a more preferred embodiment, the holding piece portion, the roll buffer member, the opening / closing body, and the fastening piece portion are fixed by fastening tools inserted through all of them.
According to this configuration, it is possible to easily perform the fixing operation of the retaining member and the winding buffer member and to obtain a sturdy structure that prevents the winding buffer member from being displaced.

In another preferred embodiment, the opening / closing body includes a slat having a hollow portion at least on an end side in the opening / closing body width direction, and the retaining member extends from the end of the slat in the opening / closing body width direction. A fastening piece portion inserted into the hollow portion and fastened to the slat, a cover portion abutting on an end portion of the slat in the width direction of the opening / closing body, and protruding from the cover portion to be engaged with the guide rail The winding buffer member is fixed to an edge portion of the cover portion in the opening / closing body thickness direction.
According to this configuration, it is possible to effectively mitigate noise and impact when the opening / closing body is rolled up with a simpler structure.

In another preferred embodiment, the opening / closing body includes a slat having a through-hole, and the retaining member includes a fastening piece portion fastened to the slat, and a protrusion protruding from the fastening piece portion. The winding cushioning member is sandwiched and held between the slat and the fastening piece and inserted into the through hole. It is provided so as to protrude in the opening / closing body thickness direction.
According to this configuration, the retaining member and the roll buffer member can be accurately fixed to the slat with a simple structure, and the roll buffer member can be effectively prevented from shifting or coming off.

  In the present specification, the “opening / closing body thickness direction” means the thickness direction of the opening / closing body in the closed state. The “opening / closing body width direction” means a direction orthogonal to the opening / closing direction of the opening / closing body and not the opening / closing body thickness direction. Further, the “opening / closing body opening / closing direction” means a direction in which the opening / closing body slides to partition or open the opening or the internal space.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The opening / closing device 1 includes an opening / closing body 10 that performs a closing operation so as to partition a space, a guide rail 20 that inserts an end of the opening / closing body 10 in the width direction into an opening 20a and guides the opening / closing direction, and an opening / closing body. 10 is a shutter device that includes a winding device 30 that winds 10 on its opening direction side (upper side in the illustrated example).

  The opening / closing body 10 connects a plurality of horizontally-long rectangular plate-like slats 11, 11 ′ so as to rotate between adjacent slats, and fully closes the end portions on the closing direction side of the plurality of slats 11, 11 ′. A seat plate member 12 for abutting against a contact target portion p (for example, a floor surface, the ground, a frame member, etc.) is connected across the opening / closing body width direction (see FIG. 1).

Of the plurality of slats 11 and 11 ', one slat 11' arranged at a position approximately from the height of the knee to the waist is provided with a locking mechanism 15 described later.
In addition, every other slat 11 other than the slat 11 'is provided with a retaining member 13 every other.

As shown in FIG. 3, one slat 11 is formed in a cross-sectional frame shape having a hollow portion S, and has a cross-sectional hook shape or a curl shape for connecting to another slat 11 on the upper end side and the other end side. Locking portions 11a and 11b.
The slat 11 has plate-like portions 11c and 11c that sandwich the hollow portion S in the opening / closing thickness direction, and the one plate-like portion 11c is interposed between the holding piece portion 13b of the retaining member 13 and the fastening piece portion 13a. Insert into. Each plate-like portion 11c is provided with through-holes 11c1 and 11c1 for inserting fasteners 16 described later.

According to the example shown in FIG. 3, the hollow portions S are provided for all of the plurality of slats 11, but the hollow portions S may be provided only in the slats 11 having the retaining members 13. Furthermore, this hollow part S should just be provided in the both ends of the opening / closing body width direction in the slat 11 which has the retaining member 13. FIG.
And in parts other than the said hollow part S in the slat 11, a heat insulating material, a soundproof material, etc. are provided as needed.

  Out of the plurality of slats 11 connected in the vertical direction, the slats 11 arranged every other are provided with retaining members 13 at both ends in the opening / closing body width direction.

  The retaining member 13 is inserted into the hollow portion S from the opening end in the width direction of the opening / closing body of the slat 11 and is fastened to the slat 11, and the opening / closing body thickness with respect to the fastening piece 13a. Holding piece portion 13b arranged at a predetermined interval in the direction, cover portion 13c connected to fastening piece portion 13a and in contact with the end portion in the width direction of slat 11, and the cover portion 13c and the holding piece The connecting portion 13d that connects the end portion of the piece portion 13b and the engaging portion 13e that protrudes from the cover portion 13c and engages with the guide rail 20 are integrally formed, and is wound around the holding piece portion 13b. The member 14 is mounted integrally.

  The fastening piece 13a is formed so as to be inserted into and fitted into the slat 11, and is provided with a through hole (not shown) through which the fastening tools 16 and 16 (rivets according to the illustrated example) are inserted. It is done.

  The holding piece portion 13b is a plate-like member provided substantially parallel to the fastening piece portion 13a with a space therebetween, and a through hole 13b1 for inserting the winding buffer member 14 is provided at a substantially central portion thereof. And has through-holes 13b2 through which the fasteners 16 are inserted on both upper and lower sides of the through-hole 13b1. This through hole 13b2 is a so-called counterbore, and the head of the fastening device 16 is embedded in the holding piece 13b.

  The cover portion 13 c is a plate-like member having a shape that approximates the outer shape of the longitudinal section of the slat 11, and abuts against the end portion in the width direction of the slat 11 so as to cover the hollow portion S.

  The connecting portion 13d holds the interval between the fastening piece portion 13a and the holding piece portion 13b so that the winding buffer member 14 and the plate-like portion 11c of the slat 11 can be inserted, and holds the fastening piece portion 13a. The piece 13b is connected on the end side in the opening / closing body width direction.

  According to the illustrated example, the engaging portion 13e is a protrusion whose cross-sectional area on the protruding end side is enlarged like a hammerhead. Another example of the engaging portion 13e may be a hook shape.

  The roll buffer member 14 is an elastic plate-like member made of rubber, elastic synthetic resin, sponge-like porous member, and the like, and is supported on the back side of the holding piece portion 13b of the retaining member 13. It consists of a piece part 14a and a convex part 14b protruding from the surface of the supported piece part 14a.

The supported piece portion 14a is formed in a plate shape along the back surface of the holding piece portion 13b, and has through holes 14a1 and 14a1 through which the fasteners 16 are inserted.
The convex portion 14b is a projection that protrudes from the center of the surface of the supported piece portion 14a in the opening / closing body thickness direction, and is formed so as to fit into the through hole 13b1 of the holding piece portion 13b. The protrusion 14b protrudes from the surface of the holding piece 13b, and its protrusion dimension is set appropriately so as to alleviate the impact when the opening / closing body 10 is rolled up.

  The winding buffer member 14 having the above-described configuration is inserted between the holding piece portion 13b and the fastening piece portion 13a of the retaining member 13, and the convex portion 14b is fitted in the through hole 13b1 of the holding piece portion 13b. Thus, it is handled integrally with the retaining member 13.

These integral retaining member 13 and roll buffer member 14 are attached to the slat 11 such that the fastening piece 13a is inserted into the hollow portion S of the slat 11. More specifically, the fastening piece portion 13a is inserted into the hollow portion S, and one plate-like portion 11c of the slat 11 is inserted between the fastening piece portion 13a and the back surface of the roll buffer member 14.
And the holding piece part 13b, the winding buffer member 14, the fastening piece part 13a, and the slat 11 are fixed by the fastening tool 16 inserted through all of them.

Therefore, according to the above configuration, the position of the roll buffer member 14 in the opening / closing body width direction can be positioned with high accuracy by the operation of mounting the retaining member 13 on the slat 11. For example, it is possible to prevent interference with a portion in the guide rail such as an electric wire of an obstacle sensor or other equipment.
In addition, when replacing the retaining member 13 or the roll buffer member 14 for maintenance or the like, the fastening device 16 is cut and the retaining member 13 and the roll buffer member 14 are removed at the same time and replaced with a new one. do it. That is, since the retaining member 13 and the roll buffer member 14 can be handled integrally, the maintainability is good.

The other slat 11 'is formed by forming a plate-like member into a concave shape in the longitudinal section, and has a locking mechanism 15 in the concave portion (see FIGS. 1 and 4).
The locking mechanism 15 is operated from the end of the slat 11 'in the opening / closing body width direction by operating the thumb turn 15a on the back surface side of the opening / closing body or the key member (not shown) inserted into the opening / closing body surface side. 4), the key bar 15b is engaged with and disengaged from the key receiving portion 21b3 in the guide rail 20. The basic structure of this mechanism can be a known structure disclosed in, for example, Japanese Patent Application Laid-Open No. 2005-180030.

The guide rail 20 has a cross-sectional view that surrounds the opening 20a by inserting the end in the width direction of the opening / closing body 10 by, for example, drawing or extrusion molding of an aluminum alloy material, bending of a steel plate or another metal plate, or the like. It is a U-shaped member.
A retaining rail 21 for engaging and disengaging the retaining member 13 is fixed to the bottom of the guide rail 20.

  The retaining rail 21 includes a main body member 21a fixed to the bottom of the guide rail 20, and an attaching / detaching member 21b that can be attached to and detached from the main body member 21a in the opening / closing body width direction (see FIG. 6).

  The main body member 21a is a long member that extends over substantially the entire length of the guide rail 20 in the up-down direction, and a fastening piece portion 21a1 that is fastened to the bottom of the guide rail 20, and the opening / closing body width direction from the fastening piece portion 21a1. Two protruding piece portions 21a2 and 21a2 provided at intervals in the opening / closing body thickness direction, and protruding toward the other protruding piece portion 21a2 at the protruding end side of each protruding piece portion 21a2. It is integrally formed from engaged parts 21a3 and 21a3 engaged with the engaging part 13e and recesses 21a4 and 21a4 facing the opening / closing body thickness direction outside the engaged parts 21a3 and 21a3 (FIG. 6). reference).

  The fastening piece 21a1 has a through hole 21a11 for inserting the fastening tool 21c (rivet according to the illustrated example) and a screw for fastening the detachable member 21b to the fastening piece 21a1. A hole 21a12 is provided.

  The screw hole 21a12 is provided at a position corresponding to the opening 20a of the guide rail 20 and a position corresponding to the opening 21e of the retaining rail 21 (between the engaged portions 21a3 and 21a3). According to this configuration, the attaching / detaching work of the attaching / detaching member 21b can be performed by a tool (for example, a screwdriver) inserted through the opening 20a of the guide rail 20 and the opening 21e of the retaining rail 21.

  The recesses 21a4 and 21a4 are formed to engage an obstacle detection sensor (not shown) so as to guide the opening / closing body in the opening / closing direction.

The main body member 21a having the above-described structure is provided with a notch 21a5 in the middle in the length direction, and the detachable member 21b is fitted into the notch 21a5 (see FIG. 6).
The cutout portion 21a5 is formed by cutting out the protruding piece portion 21a2, the engaged portion 21a3, and the recessed portion 21a4 that are extended in the opening / closing direction of the opening / closing body in the middle of the extending direction.

  The detachable member 21b is composed of one piece portion 21b1 which is overlapped and fixed on the bottom portion (fixing piece portion 21a1) of the main body member 21a, and another piece portion 21b2 which rises from the one piece portion 21b1 and projects in the opening / closing body width direction. It is formed integrally, and according to the example of FIG. The length of the detachable member 21b in the opening / closing body opening / closing direction is set so that the detachable member 21b just fits into the notch 21a5 in the main body member 21a. The detachable member 21b has a dimension in the opening / closing body thickness direction so as to pass through the opening 20a of the guide rail 20.

The one piece portion 21b1 is provided with a through hole (not shown). Then, the one piece portion 21b1 is detachably fixed to the bottom portion of the main body member 21a by a fixing member 21d (bolts or screws (see FIG. 5) according to the illustrated example) inserted through the through hole.
The one piece portion 21b1 is disposed so as to correspond to the opening portion 21e of the retaining rail 21 so that the attachment and detachment is performed through the opening portion 21e of the retaining rail 21.

The other piece portion 21b2 is formed in a plate shape substantially the same as the protruding piece portion 21a2 of the main body member 21a, and the dimension in the opening / closing body width direction is set to be substantially the same as the dimension in the opening / closing body width direction of the protruding piece portion 21a2. Is done. On the projecting end side of the other piece portion 21b2, there is no recess or the like continuous with the recess 21a4 of the main body member 21a.
The other piece portion 21b2 is provided with a plurality of key receiving portions 21b3 at predetermined intervals in the opening / closing body opening / closing direction. The predetermined interval is set such that the key bar 15b (see FIG. 4) is inserted between the upper and lower other pieces 21b2 and 21b2.

  Each of the key receiving portions 21b3 is formed with a U-shaped or U-shaped cut 21b4 in the other piece portion 21b2, and an inner portion along the cut 21b4 is bent to be inside the retaining rail 21 (specifically, the main body member 21a). Between the two protruding piece portions 21a2 and 21a2. According to the illustrated example, the protruding end side of the key receiving portion 21b3 is bent and formed in an inverted L shape so as to improve the engagement / disengagement of the key bar 15b (see FIG. 6).

Of course, in a state where the detachable member 21b is fitted to the main body member 21a, the opening / closing body 10 can pass through a portion corresponding to the detachable member 21b. That is, the dimensions of each part of the detachable member 21b (specifically, the dimension of the other piece part 21b2 in the opening / closing body thickness direction, the dimension of the one piece part 21b1 in the opening / closing body width direction, the protruding dimension of the key receiving part 21b3, and the opening / closing body) The position in the width direction, etc.) is appropriately set so that the retaining member 13 at the end in the width direction of the opening / closing body 10 can pass through the portion corresponding to the detachable member 21b in the retaining rail 21 in the opening / closing body opening / closing direction. .
Moreover, in the state which attached the detachable member 21b to the main body member 21a, the dimension of each part of the detachable member 21b so that the obstacle detection sensor (not shown) can pass through the portion corresponding to the detachable member 21b in the opening / closing body opening / closing direction. Is set appropriately.

  According to the retaining rail 21 having the above-described configuration, as shown in FIG. 2, the retaining member 13 of the opening / closing body 10 is inserted between the engaged portions 21a3 and 21a3 to be engaged, thereby causing the opening / closing body due to a strong wind or the like. 10 can be prevented from coming off from the guide rail 20 in the opening / closing body width direction.

Furthermore, as shown in FIG. 4, the key bar 15b protruding from the widthwise end of the opening / closing body 10 when fully closed is engaged with the key receiving portion 21b3 in the retaining rail 21 so that the opening / closing body 10 cannot be opened. Can be locked.
At this time, since there is no engaged portion 21a3 or the like that engages with the retaining member 13 on the protruding end side of the other piece portion 21b2 in the detachable member 21b (see FIG. 6), the key bar 15b is formed by the engaged portion 21a3 or the like. It is possible to prevent the advancement and retreat of hindering.

  Moreover, in the state which attached and detached the detachable member 21b with respect to the main body member 21a, these can be handled integrally, and workability | operativity at the time of manufacture is favorable.

  Further, when the key receiving portion 21b3 is worn or damaged, the opening / closing body 10 is opened, a tool such as a screwdriver is inserted into the opening 20a of the guide rail 20, and the fastener 21d is removed by the tool. Only the member 21b can be separated from the retaining rail 21 and taken out to the outside of the guide rail 20 through the opening 20a, and a new detachable member 21b can be attached to the main body member 21a by the reverse procedure. Yes (see FIG. 5).

Further, on both edge portions of the opening 20a in the guide rail 20, the opening / closing body buffering means 23 is provided to alleviate the impact when the opening / closing body 10 vibrates and contacts in the thickness direction (see FIG. 2).
The opening / closing body cushioning means 23 is formed of a rigid material and fixed to the guide rail 20, and the fixing member 23 a is formed of an elastic material and is close to or in contact with the front or back surface of the opening / closing body 10. And a buffer portion 23b fixed to the head.

  According to the illustrated example, the fastening member 23a has a rectangular frame shape and is formed in an elongated shape that continues in the opening / closing body opening / closing direction. The fastening member 23a is fastened to the end surface of the guide rail 20 on the opening 20a side by a fastening tool 23c such as a screw or a bolt.

  Further, the buffer portion 23b is made of a material having elasticity such as a synthetic resin material, is formed to be fitted and supported by the fastening member 23a and protrudes toward the surface of the opening / closing body 10 and is continuous in the opening / closing body opening / closing direction. It is provided in a long shape. On the projecting end side of the buffer portion 23b, there are projecting piece portions 23b1 and 23b1 which are bifurcated in cross section. Each protrusion 23b1 is provided so as to be inclined with respect to the surface of the opening / closing body 10 so as to be flexibly bent by the contact of the opening / closing body 10.

According to the opening / closing body buffering means 23 configured as described above, when the buffer portion 23b is worn or damaged, the buffer portion 23b can be replaced by attaching / detaching the fastening member 23a without directly attaching / detaching the buffer portion 23b. it can.
That is, in general, the buffer portion 23b is firmly fitted by being inserted into the guide rail 20 from the upper and lower sides so as not to easily come off due to the sliding contact or contact of the opening / closing body 10. Retained. Therefore, it is difficult to attach and detach such a buffer part 23b directly.
However, since the opening / closing body buffering means 23 having the above-described structure has a structure in which the fixing member 23a integrated with the buffering part 23b is attached and detached by the fixing tool 23c, the buffering part 23b can be firmly held, and the buffering part 23b Can be exchanged together with the fastening member 23a, and the exchange operation is easy.

In the above embodiment, as shown in FIG. 5, the detachable member 21b can be passed through the opening 20a between the two open / closed body cushioning means 23, 23 in a stationary state. In a state where the opening / closing body buffering means 23, 23 are fixed, the detachable member 21b is prevented from passing through the opening 20a (between the opening / closing body buffering means 23, 23) of the guide rail 20, and temporarily from the guide rail 20. The opening 20a may be widened by removing the opening / closing body buffering means 23, 23, and the detachable member 21b may be passed through the widened space.
According to this aspect, it is possible to prevent the detachable member 21b from being easily removed due to mischief or malicious intent, and to improve crime prevention.

  Next, a mode in which a part of the configuration of the switchgear 1 having the above configuration is replaced with another one will be described. In addition, in the following aspects, about the structure other than a substituted part, the detailed description which overlaps by affixing the same code | symbol is abbreviate | omitted.

The mode shown in FIG. 7 is obtained by replacing the retaining member 13 with a retaining member 13 ′ with respect to the opening / closing device 1.
The retaining member 13 'omits the holding piece portion 13b, the connecting portion 13d, and the winding buffer member 14 from the retaining member 13, and winds and cushions the edge portion (end portion) of the cover portion 13c in the opening / closing body width direction. The member 14 'is fixed.
The winding buffer member 14 'is made of an elastic material similar to that of the winding buffer member 14, protrudes from the edge portion of the cover portion 13c in the opening / closing body thickness direction, and opens and closes the opening / closing body along the edge portion. It extends over the direction. The rolled cushioning member 14 'is fixed to the edge portion of the cover portion 13c by adhesion or double molding.
Then, the retaining member 13 ′ having the above-described configuration is fixed to the slat 11 by the fastening tool 16, with the fastening piece portion 13 a inserted into the end portion in the width direction of the slat 11.
According to the winding buffer member 14 ', it is possible to reduce the impact, noise and the like when the opening / closing body 10 is rolled with a simpler structure. In addition, the projecting dimension of the winding buffer member 14 ′ with respect to the surface of the opening / closing body 10 can be appropriately set depending on the dimension of the cover portion 13 c in the thickness direction.

In the embodiment shown in FIG. 8, the slat 11 is replaced with a slat 11 ″ and the retaining member 13 is replaced with a retaining member 13 ″ with respect to the opening / closing device 1 described above.
The slat 11 ″ has a plate-like member formed in a concave shape in the longitudinal section, and has curled connection portions 11a ″ and 11b ″ at the upper and lower ends. The front surface portion of the slat 11 ″ on the side in the width direction end portion. Is provided with a through-hole 11c ″ through which the convex portion 14b of the winding buffer member 14 is inserted and projected.
Further, the retaining member 13 ″ is obtained by omitting the holding piece portion 13b and the connecting portion 13d with respect to the retaining member 13 and fixing the winding buffer member 14 on the front surface of the fastening piece portion 13a. The means for fixing 14 to the fastening piece 13a may be adhesion or double molding.
Then, the retaining member 13 ″ is inserted into the through hole 11c ″ of the slat 11 ″ through the convex portion 14b of the roll buffer member 14 and is secured to the back surface of the slat 11 ″ by the fastening tool 16.
According to this aspect, with respect to the plate-like slat 11 ″ having no hollow portion, the retaining member 13 ″ and the winding buffer member 14 can be accurately arranged with a simple structure. In addition, the retaining member Maintenance work such as replacement of 13 ″ and the winding buffer member 14 is also easy.

In the embodiment shown in FIG. 9, the guide rail 20 is configured by replacing the retaining rail 21 with a retaining rail 21 ′.
The retaining rail 21 ′ is a long member continuous in the opening / closing body opening / closing direction along the guide rail 20, and one half (the upper half according to FIG. 9) in the opening / closing body thickness direction is the guide rail. 20 is a main body member 21a ′ fixed to the bottom of 20 and the other half (the lower half according to FIG. 9) is a detachable detachable member 21b ′.
The main body member 21a ′ has substantially the same cross-sectional shape as the half portion of the main body member 21a described above, and is fixed to the bottom surface of the guide rail 20 by a fastening tool 21c (rivet according to the illustrated example).
The detachable member 21b ′ is a member having substantially the same length as the main body member 21a ′, and roughly has a cross-sectional shape that is the same as that of the main body member 21a ′. The detachable member 21b ′ is provided with a plurality of key receiving portions 21b3 in the same manner as the retaining rail 21.
The detachable member 21b ′ is set to have a dimension in the opening / closing body thickness direction so that it can pass through the opening 20a of the guide rail 20.
The detachable member 21b ′ is detachably secured to the bottom surface of the guide rail 20 by a fastener 21d (screw or bolt according to the illustrated example).

In a state where the detachable member 21b ′ is fitted to the main body member 21a ′, it is natural that the opening / closing body 10 can pass through a portion corresponding to the detachable member 21b ′. That is, the dimension of each part in the detachable member 21b ′ is such that the retaining member 13 at the end in the width direction of the opening / closing body 10 can pass through the portion corresponding to the detachable member 21b ′ in the retaining rail 21 ′ in the opening / closing body opening / closing direction. It is set appropriately.
In addition, in the state where the detachable member 21b ′ is fitted to the main body member 21a ′, the above-described obstacle detection sensor (not shown) can also pass through the portion corresponding to the detachable member 21b ′ in the opening / closing body opening / closing direction. The dimensions of each part are set appropriately.

  Therefore, according to the embodiment shown in FIG. 9, when the key receiving portion 21b3 is replaced due to damage or wear, only the attaching / detaching member 21b ′ is attached and detached and passed through the opening 20a to be replaced. Is good.

In the embodiment shown in FIG. 9, the detachable member 21b ′ can be passed through the opening 20a between the two open / closed body buffering means 23, 23 in the stationary state. In a state where 23 and 23 are fixed, the detachable member 21b ′ is prevented from passing through the opening 20a of the guide rail 20 (between the opening and closing body buffering means 23 and 23), and the opening and closing body buffering means is temporarily removed from the guide rail 20. The opening 20a may be widened by removing 23 and 23, and the detachable member 21b ′ may be passed through the widened space.
According to this aspect, it is possible to prevent the detachable member 21b ′ from being easily removed due to mischief or malicious intent, and to improve crime prevention.

In the embodiment shown in FIG. 10, the guide rail 20 is replaced with a guide rail 20 ′ with respect to the opening / closing device 1. In addition, although illustration is abbreviate | omitted, in the inside of this guide rail 20 ', the prevention rail 21 or the prevention rail 21' of the said structure is provided as needed.
A buffer member 24 is fitted to the edge portion of the opening 20a ′ of the guide rail 20 ′ at the time of manufacture. When the buffer member 24 is worn or damaged, the buffer member 24 is opened / closed body buffering means. It can be exchanged to 25.

  The buffer member 24 is made of a material having elasticity, such as a synthetic resin material, and is fitted to the edge portion of the opening 20a 'of the guide rail 20' across the opening / closing body opening / closing direction. The buffer member 24 is firmly fitted so as not to be easily detached by sliding contact or contact with the opening / closing body 10. Therefore, the buffer member 24 is cut off and removed from the guide rail 20 ′ during replacement.

The opening / closing body buffering means 25 is attached to the guide rail 20 ′ (see FIG. 10B) after the buffer member 24 is removed.
The opening / closing body cushioning means 25 opens / closes with respect to the edge portion of the opening portion 20a ′ in the guide rail 20 ′ and the half portion 25a attached from the outside of the guide rail 20 in the opening / closing body thickness direction and the edge portion. The other half portion 25b mounted from the inside of the guide rail 20 in the body thickness direction, the buffer portion 25c fitted to the other half portion 25b, the half portion 25a and the other half portion 25b are fixed to the guide rail 20 ′. It is comprised from the fastening tool 25d to wear.
The half portion 25a and the other half portion 25b are long members extending in the opening / closing body opening / closing direction, and are formed so as to fit each other.
The buffer portion 25c is a brush-like buffer material called mohair, and is fitted to the buffer portion 25c in the opening / closing body opening / closing direction.

  When the opening / closing body buffering means 25 is attached to the guide rail 20 ′ with the buffer member 24 removed, the edge half of the opening 20a ′ of the guide rail 20 ′ is sandwiched so that the half half 25a and the other half 25b The half part 25a and the other half part 25b are fixedly fixed to the guide rail 20 ′ by a fixing tool 25d.

  Therefore, according to the embodiment shown in FIG. 10, when it is difficult to replace the shock-absorbing member 24 that has been worn or damaged with a new one, the shock-absorbing member 24 is removed by cutting or the like, and the guide rail 20 'is opened and closed. The body cushioning means 25 can be easily attached.

  In addition, the winding device 30 includes a storage case 31 that sends out and stores the opening / closing body 10, a winding shaft 32 that is rotatably supported in the storage case 31, and winds up the winding shaft 32. A spring (not shown) or the like that biases in the direction is provided, and the opening / closing body 10 is wound or unwound by the winding shaft 32 (see FIG. 1).

  As a modification of the mode shown in FIG. 10, the half portion 25a and the other half portion 25b of the opening / closing body buffer means 25 are formed so as to sandwich the buffer member 24 mounted on the guide rail 20 ′. Also good. According to this modification, since the opening / closing body buffering means 25 is mounted so as to cover the buffer member 24 mounted on the guide rail 20 ', it is not necessary to remove the old buffer member 24, and it is more maintainable. Can be improved.

1: Opening / closing device 10: Opening / closing body 11, 11 ′, 11 ″: Slat 11c ″: Through hole 13: Stopping member 13a: Fastening piece 13b: Holding piece 13b1: Through hole 13c: Cover 13e: Engagement 14: Winding buffer member 15b: Key bar 16: Fastening tool 20: Guide rail 20a: Opening portion 21: Stopping rail 21a: Main body member 21b: Detachable member 21b3: Key receiving portion 21b4: Notch 23: Opening / closing body buffering means 23a : Fastening member 23b: Buffer part 32: Winding shaft S: Hollow part

Claims (4)

An opening / closing body that performs a closing operation so as to partition the space, a guide rail that guides the opening / closing direction by inserting an end portion in the width direction of the opening / closing body, and a winding that winds the opening / closing body on the opening direction side And a retaining member provided on an end side in the width direction of the opening / closing body is engaged with the guide rail so that the opening / closing body extends from the opening of the guide rail in the opening / closing body width direction. In a switchgear that prevents it from coming out,
A winding buffer member made of an elastic material is provided on the retaining member so as to protrude in the thickness direction of the opening / closing body, and the impact when the opening / closing body is wound around the winding shaft is mitigated by the winding buffer member. to make it in,
The retaining member is formed by integrally connecting a securing piece portion secured to the opening / closing body and a retaining piece portion for retaining the roll buffer member at a predetermined interval. Insert the widthwise end of the opening / closing body between the wearing piece and the holding piece, and hold the roll cushioning member between the surface of the opening / closing body and the holding piece. switchgear, characterized in that there. 2. The switchgear according to claim 1, wherein the holding piece is provided with a through hole in the thickness direction of the open / close body, and the winding buffer member is projected from the through hole . The opening / closing apparatus according to claim 2, wherein the holding piece portion, the winding buffer member, the opening / closing body, and the fastening piece portion are fixed by a fastening tool that is inserted through them . An opening / closing body that performs a closing operation so as to partition the space, a guide rail that guides the opening / closing direction by inserting an end portion in the width direction of the opening / closing body, and a winding that winds the opening / closing body on the opening direction side And a retaining member provided on an end side in the width direction of the opening / closing body is engaged with the guide rail so that the opening / closing body extends from the opening of the guide rail in the opening / closing body width direction. In a switchgear that prevents it from coming out,
A winding buffer member made of an elastic material is provided on the retaining member so as to protrude in the thickness direction of the opening / closing body, and the impact when the opening / closing body is wound around the winding shaft is mitigated by the winding buffer member. Like
The opening / closing body comprises a slat having a through hole,
The retaining member is integrally configured from a fastening piece portion that is fastened to the slat and an engaging portion that protrudes from the fastening piece portion and is engaged with the guide rail,
The winding buffer member is sandwiched and held between the slat and the fastening piece portion, and is provided so as to be inserted into the through hole and project in the opening / closing body thickness direction. Opening and closing device characterized .

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