JP2005016150A - Opening and closing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an opening and closing device, easily simplifying the constitution. <P>SOLUTION: This opening and closing device 1 includes a lower frame 8 positioned along the lower end of an opening part 3 and elongated in the lateral direction. The opening and closing device 1 includes an opening and closing body 21 lowered until it abuts on the lower frame 8 to close the opening part 3 and raised to open the opening part 3. The opening and closing body 21 has an engagement part 22 at the lower end side. The lower frame 8 is provided with a lock body 33 sliding in the lateral direction. The locking body 33 is set in a regulating position for regulating the rising of the opening and closing body 21 by engaging with the engagement part 22 in locking and set in an allowing position for allowing position for allowing the rising of the opening and closing body 21 without engaging with the engagement part 22 in unlocking. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an opening / closing device capable of easily simplifying the configuration.
[0002]
[Prior art]
Conventionally, for example, a pair of left and right guide rails that are spaced apart from each other, an opening / closing body that opens and closes along the opening while being guided by the guide rail, and a lock bar provided at the lower end of the opening / closing body, An opening / closing device provided with a stopper provided at the lower end portion of the guide rail so as to be rotatable about two different spindles and restricting the opening of the opening / closing body by engagement with a lock bar is known (for example, (See Patent Document 1).
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 6-3100 (first page, FIG. 1)
[0004]
[Problems to be solved by the invention]
However, as in the above-described conventional opening / closing device, a configuration in which a lock bar is provided at the lower end of the opening / closing body and a stopper is provided at the lower end of the guide rail so as to be rotatable about two different spindles is Tend to be complex.
[0005]
The present invention has been made in view of these points, and an object thereof is to provide an opening / closing device capable of easily simplifying the configuration.
[0006]
[Means for Solving the Problems]
The opening / closing device according to claim 1 has an engaging portion, and is opened and closed along the opening to open and close the opening, and the opening / closing device is engaged with the engaging portion when locked. A slidable locking body that is set at a restricting position that restricts the lifting of the body, and that is not engaged with the engaging portion at the time of unlocking and is set at an allowable position that allows the lifting of the opening and closing body It is.
[0007]
And since it is set to a restricting position that restricts the lifting of the opening / closing body during locking, and includes a slidable locking body that is set to an allowable position that allows the lifting of the opening / closing body when unlocking. Thus, it is possible to easily simplify the configuration.
[0008]
The opening / closing device according to claim 2 has a longitudinal lower frame located along the lower end of the opening in the left-right direction and an engaging portion on the lower end side, and abuts the lower frame along the opening. And an opening / closing body that closes the opening, moves upward along the opening and opens the opening, and is slidable in the left-right direction on the lower frame. It is set to a restricting position that restricts the lifting of the opening / closing body by engagement with the joint part, and is set to an allowable position that allows the opening / closing body to rise without being engaged with the engaging part during unlocking. A locking body.
[0009]
And, when locked, it is set to a restricting position that restricts the opening of the opening / closing body, and when unlocking, the locking body set to an allowable position that allows the opening / closing body to rise can be slid to the left and right with the lower frame Therefore, it is possible to easily simplify the configuration.
[0010]
The switchgear according to claim 3 is the switchgear according to claim 1 or 2, wherein the lock body is provided with an operation body for manually operating the lock body.
[0011]
Then, the lock body can be easily manually operated by using the operation body.
[0012]
According to a fourth aspect of the present invention, in the switchgear according to the third aspect, the operating body is a flexible operation string.
[0013]
Since the operating body is a flexible operating string, the locking body can be manually operated even more easily.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the configuration of an embodiment of a switchgear according to the present invention will be described with reference to the drawings.
[0015]
1 and 2, reference numeral 1 denotes an opening / closing device. The opening / closing device 1 is a manual window shutter that opens and closes an outdoor portion of an opening 3 that is a substantially rectangular window opening formed in a building 2, for example. is there. In the building 2, a sash device 4 that opens and closes the indoor side portion of the opening 3 is provided close to the opening / closing device 1.
[0016]
The opening / closing device 1 includes a pair of left and right guide rails (vertical frames) 6 that are longitudinally located along the side edges of the opening 3. Both guide rails 6 are arranged to face each other through the opening 3. Each guide rail 6 is formed with a vertical guide groove 7 having a substantially U-shaped cross section that opens toward the opening 3. Each guide rail 6 is formed with a substantially rectangular flat plate portion 9 elongated in the vertical direction adjacent to the guide groove portion 7.
[0017]
In addition, the opening / closing device 1 includes one lower frame (horizontal frame) 8 that is a contacted portion that is long in the left-right direction and is positioned along the lower end of the opening 3. The lower frame 8 is integrally formed in a longitudinal shape with, for example, metal or the like, and is disposed between the lower end portions of both guide rails 6.
[0018]
The lower frame 8 has an abutting plate portion 11 that is inclined forward and downward, and a protruding plate portion 12 projects upward from the front end of the abutting plate portion 11. A rising plate portion 13 rises from the rear end of the abutted plate portion 11, and an upper portion of the rising plate portion 13 is a locking body holding portion 1 having a substantially C-shaped longitudinal section opened forward. A holding groove portion 14 is formed over substantially the entire length of the lower frame 8.
[0019]
Further, the horizontal plate portion 15 protrudes rearward from the holding groove portion 14, and the connecting plate portion 16 protrudes upward from the rear end of the horizontal plate portion 15, and the connecting plate portion 16 is a fixture. It is fixedly connected to the building 2 with screws 17. The upper end of the connecting plate portion 16 is in contact with the lower surface of the lower frame 18 of the sash device 4. Further, a horizontal plate portion 19 projects rearward from the rear end of the abutted plate portion 11, and the rear end of the horizontal plate portion 19 is in contact with the outer surface of the building 2.
[0020]
Further, although not shown, the opening / closing device 1 includes a storage box (shutter box) that is located along the upper end of the opening 3 and that opens in the left-right direction and is substantially box-shaped in the left-right direction. The guide rails 6 are disposed between the upper ends of the guide rails 6.
[0021]
In the housing case, a substantially cylindrical winding body (winding shaft) that is long in the left-right direction and rotates about the rotation center axis in the left-right direction is disposed.
[0022]
Then, the winding body descends along the opening 3 until the lower end comes into contact with the contacted plate portion 11 of the lower frame 8 to close the outdoor portion of the opening 3, and along the opening 3. A flexible planar opening / closing body (shutter curtain) 21 is provided that rises and opens the outdoor portion of the opening 3.
[0023]
That is, when the opening 3 is closed, both end portions (both ends in the left-right direction) are guided by the guide groove portion 7 by rewinding from the winding body, and the lower end portion contacts the contacted plate portion 11 of the lower frame 8. And is closed in a substantially flat shape along the opening 3 to close the outdoor portion of the opening 3. When the opening 3 is opened, both ends are guided groove portions 7 by winding the winding body. The upper end side of the opening / closing body 21 that rises while being guided and is housed in the housing case and opened in the outdoor portion of the opening 3 is attached to the winding body.
[0024]
And this opening-and-closing body 21 has the engaging part 22 which is long in the left-right direction which is a width direction, and protrudes toward the back (indoor side) in the part except the both ends of the left-right direction in a lower end part ( (See FIG. 2).
[0025]
Here, the opening / closing body 21 is, for example, a slat 23 that is a plurality of opening / closing body constituent members that are rotatably connected to each other, and a lower end member that is an engagement member that is rotatably connected to the lower slat 23. A skirting board 24 is provided. The skirting board 24 is a contact portion that contacts the lower frame 8 when the opening 3 is closed.
[0026]
The skirting board 24 is integrally formed in the longitudinal direction in the left-right direction, for example, with metal or the like. In addition, the skirting board 24 has a body plate portion 26 that is long in the left-right direction and is substantially vertical, and the lower end portion of the substantially arcuate shape of the body plate portion 26 covers the lower frame 8 when the opening 3 is closed. It contacts the contact plate part 11. Both end portions of the main body plate portion 26 are inserted into the guide groove portion 7 of the guide rail 6.
[0027]
From the front surface of the main body plate portion 26, a substantially horizontal and substantially horizontal front horizontal plate portion 27 elongated in the left-right direction protrudes forward, and a vertical plate portion 28 extends downward from the front end of the front horizontal plate portion 27. Protrusively facing. The vertical plate portion 28 is positioned facing the protruding plate portion 12 of the lower frame 8 in the front-rear direction when the opening 3 is closed.
[0028]
Further, from the rear surface of the main body plate portion 26, a rear horizontal plate portion 29 that is a substantially rectangular and substantially horizontal projection portion elongated in the left-right direction protrudes rearward. Thereafter, the horizontal plate portion 29 is not positioned at both ends in the left-right direction of the main body plate portion 26, and the length dimension of the subsequent horizontal plate portion 29 is slightly shorter than the length dimension of the main body plate portion 26. Further, from the rear end of the rear horizontal plate portion 29, the upper protrusion 30 protrudes upward and the lower protrusion 31 protrudes downward.
[0029]
The locking engagement portion 22 is configured by the rear horizontal plate portion 29 and the upper protrusion 30 that form the lower end portion of the opening / closing body 21. That is, the engaging portion 22 is formed over the entire portion of the lower end portion of the opening / closing body 21 except for the left and right end portions, and the notch portions 25 are formed at both left and right end portions of the lower end portion of the opening / closing body 21.
[0030]
In addition, the opening / closing device 1 is an arbitrary position on the engaging portion 22 when locking the opening 3 when the opening 3 is closed, and restricting the opening of the opening / closing body 21 by engaging with the engaging portion 22. Is set to a permissible position where the opening / closing body 21 is allowed to rise without engaging with the engaging portion 22 when unlocking when the opening 3 is closed. A plurality of slidable locking bodies (locking plates) 33 are provided.
[0031]
Each locking body 33 is integrally formed in a substantially rectangular plate shape with metal or the like, for example, and can slide in the horizontal direction in the horizontal direction over the entire length of the holding groove 14 on the holding groove 14 of the lower frame 8 fixed to the building 2. Is provided.
[0032]
Each locking body 33 has a substantially horizontal main body plate portion 35 having a hole portion 34 formed at a substantially central portion, and a protruding portion 36 protrudes downward from the front end of the main body plate portion 35. Yes. The projecting portion 36 is positioned facing the upper projecting portion 30 of the engaging portion 22 in the front-rear direction during locking when the opening 3 is closed. Further, a projecting portion 37 projects downward from the rear end of the main body plate portion 35, and a fitting portion 38 having a substantially T-shaped cross section is projected from the lower end of the projecting portion 37. 38 is slidably fitted inside the holding groove 14 of the lower frame 8.
[0033]
On the other hand, each locking body 33 is provided with an operating body for manually operating the locking body 33, for example, an operation string 41 having flexibility. One end of the operation string 41 is attached to the hole 34 of the horizontal plate portion 35 of the locking body 33, and a substantially disc-shaped knob 42 is provided at the other end of the operation string 41.
[0034]
Next, the operation and the like of the opening / closing device 1 according to the embodiment will be described.
[0035]
When closing the opening 3, after confirming that the left and right locking bodies 33 are set to the permissible positions that are the left and right end positions of the holding groove 14 of the lower frame 8, the opening / closing body 21 is rewound from the winding body. While lowering along the opening 3, the lower end of the opening / closing body 21 is brought into contact with the contacted plate 11 of the lower frame 8.
[0036]
When locking in this state, the left and right locking bodies 33 are slid along the holding groove portions 14 of the lower frame 8 respectively, and set to the restriction positions that are positions other than the left and right end positions of the holding groove portions 14 of the lower frame 8. To do.
[0037]
That is, by grasping the knob portion 42 and pulling the operation string 41 to the left side, the right locking body 33 is slid in the left horizontal direction along the holding groove portion 14 as viewed from the indoor side, and the restriction position (for example, the right end of the holding groove portion 14). 2) (refer to the two-dot chain line in FIG. 2), and by pulling the handle 42 and pulling the operating string 41 to the right side, the left locking body 33 along the holding groove 14 is seen from the indoor side. It is slid in the right horizontal direction and positioned at a restricting position (for example, a position near the left end of the holding groove 14).
[0038]
When the locking body 33 is positioned and set in the restricted position by sliding in this way, the front side portion of the locking body 33 is positioned on the engaging portion 22 of the opening / closing body 21, and the locking body 33 and the engaging portion 22 can be engaged with each other. It becomes a state. In this state, for example, even when the opening / closing body 21 is lifted from the outdoor side, the engaging portion 22 of the opening / closing body 21 and the locking body 33 are engaged with each other, and the raising of the opening / closing body 21 is restricted.
[0039]
When opening the opening 3, the operating string 41 is used to position the left and right locking bodies 33 at the permissible positions and face the notch 25, and then the opening / closing body 21 is moved along the opening 3. To raise.
[0040]
According to such an opening / closing device 1, the locking position is set to a restriction position that restricts the lifting of the opening / closing body 21 during locking, and the locking position is set to allow the lifting of the opening / closing body 21 during unlocking. Since the locking body 33 is provided on the lower frame 8 so as to be slidable in the left-right direction, the configuration can be easily simplified.
[0041]
Further, in the configuration in which the stopper, which is a locking body, is provided on the guide rail as in the conventional opening / closing device, there is a risk that the locking may be defective due to the positional relationship between the opening / closing body and the left and right guide rails. In the configuration in which the locking body 33 is provided on the lower frame 8 as described above, it is not affected by the construction accuracy of the guide rail 6, the locking problem does not occur, and the locking position by the locking body 33 is not easily specified. Excellent in crime prevention.
[0042]
Furthermore, since the operation cord 41 having flexibility is provided on the lock body 33, the lock body 33 can be easily manually operated by using the operation string 41.
[0043]
In addition, in the opening / closing apparatus 1 according to the above-described embodiment, the left and right locking bodies 33 must be manually operated separately. For example, as shown in FIG. It is good also as a structure which connected the right and left locking body 33 with the one operation string 41 which is a connection means so that it can be made to slide simultaneously to a control position.
[0044]
Further, the opening / closing device 1 is not limited to the one in which the locking body 33 is provided on the lower frame 8 so as to be slidable. .
[0045]
Furthermore, the opening / closing device 1 is not limited to one provided with two locking bodies 33 in a pair of left and right, and may be provided with only one of them, or provided with three or more locking bodies 33, for example. Etc.
[0046]
Further, for example, by providing fixing means such as a magnet, a planar fastener, and a sucker to the knob 42, the knob 42 is fixed to the opening / closing body 21 when locked, and fixed to the flat plate portion 9 of the guide rail 6 when unlocked. It may be.
[0047]
Furthermore, when the locking body 33 is slid, the locking body 33 may be slid while being in contact with the upper surface of the engaging portion 22, and the locking body 33 is slightly separated from the upper surface of the engaging portion 22. You may make it slide.
[0048]
Further, the opening / closing body 21 is not limited to the one having the engaging portion 22 on the lower end side, and may be configured to have, for example, the engaging portion 22 on the upper end side. A locking body 33 is provided at a position corresponding to the joint portion 22.
[0049]
Furthermore, driving means such as a cylinder for sliding the locking body 33 may be provided so that locking and unlocking are automatically performed.
[0050]
In addition, the configuration of the operating body for manually operating the locking body 33 is arbitrary, and may be configured by a rod-like member or the like having no flexibility, but it is possible to flexibly deal with the operating direction and the like during the operation. It is preferable to use a flexible material. In addition, as what has flexibility, it can be set as a strip | belt-shaped member, such as a string member, such as a wire, and a belt, for example.
[0051]
Furthermore, in order to further restrict the ascent of the opening / closing body 21 in the closed state and further improve the security, a locking mechanism having a configuration different from the locking body 33 may be provided in addition to the locking body 33.
[0052]
The opening / closing device 1 is not limited to a window shutter fixed around the opening 3 that is a window opening. For example, although not shown, other shutter devices fixed around the other opening, blinds, etc. A device, a screen device, an overhead door device, or the like, or a device in which a plurality of the same or different types of these devices are arranged in parallel may be used.
[0053]
【The invention's effect】
According to the first aspect of the present invention, the slidable locking is set at a restricting position for restricting the lifting of the opening / closing body during locking, and set at an allowable position for allowing the lifting of the opening / closing body during unlocking. Since the body is provided, the configuration can be easily simplified.
[0054]
According to the invention of claim 2, the locking body is set at a restricting position that restricts the opening of the opening / closing body during locking, and is set at an allowable position that allows the opening of the opening / closing body when unlocking. Since the frame is provided to be slidable in the left-right direction, the configuration can be easily simplified.
[0055]
According to the invention of claim 3, the lock body can be easily manually operated by using the operation body.
[0056]
According to the invention of claim 4, since the operation body is a flexible operation string, the lock body can be manually operated even more easily.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing an embodiment of a switchgear according to the present invention.
FIG. 2 is a transverse sectional view showing the same opening / closing device.
FIG. 3 is a schematic plan view showing another embodiment of the switchgear according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Opening / closing device 3 Opening part 8 Lower frame 21 Opening / closing body 22 Engaging part 33 Locking body 41 The operation string which is an operating body

Claims (4)

An opening / closing body that has an engagement portion and that opens and closes along the opening to open and close the opening;
When locking, it is set to a restricting position that restricts the opening of the opening / closing body by engaging with the engaging portion, and when unlocking, the opening of the opening / closing body is allowed without engaging with the engaging portion. And a slidable locking body set at a permissible position. A bottom frame that is longitudinal in the left-right direction located along the lower end of the opening;
An opening / closing body that has an engaging portion on a lower end side, descends along the opening until it comes into contact with the lower frame, closes the opening, and rises along the opening to open the opening When,
The lower frame is provided so as to be slidable in the left-right direction, and is set to a restricting position that restricts the lifting of the opening / closing body by engagement with the engaging portion when locking, and the engagement when unlocking An opening / closing apparatus comprising: a locking body that is set to an allowable position that does not engage with a portion and allows the opening / closing body to rise. The opening / closing apparatus according to claim 1 or 2, wherein the locking body is provided with an operating body for manually operating the locking body. The opening / closing apparatus according to claim 3, wherein the operating body is a flexible operating string.

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