JP2004257132A - Opening cover of building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cover opening-closing device of a ventilation opening arranged on a wall surface of a building, fixable in a closing state (a lock) and an opening state (a specific stroke position) only by handle operation with a simple structure, easy in attachment-detachment, and superior in ventilation efficiency. <P>SOLUTION: The opening-closing device is composed of an opening frame 13 of the building, and an opening cover 20 opened/closed by vertically moving in parallel by push-pull operation of the operation handle 50 in the in-plane direction of the opening frame 13. A rotatable block part 40 is projected to the opening frame 13 side by rotary operation of the operation handle 50, and a lock frame 11 is arranged in the opening frame 13 in close vicinity to a moving position of the lock part 40. A closing lock plate 45a and an opening lock plate 45b are arranged in the lock part 40, and engaged with the lock frame 11 by rotation of the lock part 40 in a closing position and an opening position of the opening cover 20. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an opening / closing device for an opening cover that can close and open a ventilation opening provided on an outer wall surface of a building, and more particularly to an opening cover provided at a ventilation opening of a natural ventilation structure. The present invention relates to an opening and closing device for an opening cover that can lock (maintain) in both open and closed states.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as described in Patent Document 1 or Patent Document 2, an opening / closing cover for a ventilation opening provided on a wall or the like of a building has an opening frame and an opening / closing cover connected by an arm and slid in parallel. There is. In addition, a window that can be opened and closed by rotating an opening / closing cover with a hinge or a hinge with respect to an opening frame is known, and an arm is extended and contracted by a hinge, and a shoji is pushed out by a rotation or moving link mechanism. Windows that open and close are also known (Patent Document 3).
However, these techniques not only have a complicated structure and low ventilation efficiency, but also require a complicated opening / closing / locking operation. In addition, it is difficult to attach / detach the opening / closing cover.
[0003]
[Patent Document 1] Japanese Utility Model Laid-Open No. 6-16674
[Patent Document 2] JP-A-6-20873
[Patent Document 3] Japanese Patent Application Laid-Open No. 2001-159279
[Problems to be solved by the invention]
Therefore, an object of the present invention is that the structure is simple, and the opening cover of the ventilation opening can be fixed (locked) in a closed state and an open state by one operation of the handle as well as the opening / closing operation of the ventilation opening. It is an object of the present invention to provide an opening / closing device for an opening cover for ventilation provided on a wall surface of a building or the like in which an opening cover can be easily attached to and detached from a part.
[0007]
[Means for Solving the Problems]
The present invention takes the following measures to achieve the above object. That is,
The opening / closing device for an opening of a building according to claim 1, wherein the opening is opened and closed by being moved in parallel by a push / pull operation of an operation handle in a direction perpendicular to an opening frame of the building and an in-plane direction of the opening frame. A plurality of cylinders are provided in the opening frame in a direction in which the opening cover is opened and closed, and the opening cover has a plurality of guides inserted through and guided by the respective cylinders. An arm is provided, and the opening cover can be locked in a closed state and an open state by rotating the operation handle.
[0008]
According to a second aspect of the present invention, there is provided the opening cover opening / closing apparatus for a building according to the first aspect, wherein a lock portion rotatable by rotating the operation handle projects toward the opening frame. In the opening frame, a lock frame is arranged in proximity to the moving position of the lock portion, and a lock plate is provided in the lock portion, and the lock plate is rotated by rotating the lock portion in the closed position and the open position of the opening cover. Are configured to engage with the lock frame.
[0009]
According to a third aspect of the present invention, there is provided the opening cover opening / closing device for a building according to the second aspect, wherein the lock plate includes a closed lock plate and an open lock plate.
The opening cover opening / closing device for a building according to claim 4 is the opening cover opening / closing device for a building according to any one of claims 1 to 3, wherein the lock is not applied to the opening frame. On the other hand, the opening cover is detachable.
[0010]
According to a fifth aspect of the present invention, there is provided an opening cover opening / closing device for a building according to any one of the first to fourth aspects, wherein a hole through which a guide arm can be inserted is provided near an inlet of the cylinder. A shutter is provided, and the shutter has a function of preventing the guide arm from being pulled out of the cylinder.
[0011]
According to a sixth aspect of the present invention, there is provided the opening cover opening / closing device for a building according to the fifth aspect, wherein the shutter is elastically contacted in the guide arm direction, and the guide arm is engaged with the shutter. A small-diameter flat portion and a step portion serving as a portion are formed.
An opening cover opening / closing device for a building according to claim 7 is the opening opening / closing device for a building according to any one of claims 1 to 6, wherein a tight material is provided at a contact portion of the opening cover with the opening frame. Is provided.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
The present embodiment is applied, for example, as an opening / closing cover on the indoor side of a ventilation opening described in Japanese Patent Application Laid-Open No. 2001-20632 (application of the present applicant). It is applied as an opening cover that can be opened and closed and can be attached to the opening (ventilation hole) as a ventilation device incorporated in the device, but it goes without saying that it can also be applied to single windows and the like. .
[0013]
First, an embodiment will be described with reference to the drawings. FIG. 1 is an explanatory view of a lock portion of the opening cover opening and closing device, showing a closed state (A) and an open state (B). 2 is a front view of the opening cover, FIG. 3 is a sectional view taken along line AA of FIG. 2, FIG. 4 is a vertical sectional view of the opening / closing device, and FIGS. FIG. 6 is an explanatory view of a portion D (opening / closing guide) of FIG. 4, FIG. 7 is a plan view of the opening / closing guide of FIG. 6, FIG. 8 is a side view of the opening / closing guide of FIG. FIG. 10 is a front view of the guide arm in the embodiment, FIG. 11 is an explanatory view of the guide arm, and FIG. 12 is a front view of a mounting plate of the guide arm in the embodiment. In the following description, the position of each member will be described using left, right, up, and down to describe the position with reference to the drawings, but the actual positional relationship is not limited to this.
[0014]
(Opening frame 13)
A vertically long opening is formed in a sash frame (not shown) of the building, and this opening is formed as an air intake. Usually, this opening is provided with an opening cover 20 and closed. However, in the present embodiment, in order to realize ventilation in a state where an open / close sash or the like of a window formed in a sash frame is closed. The opening / closing unit 20 is a device that allows the outside air to enter and exit the room by pulling the opening cover 20 away from the opening in parallel.
[0015]
The sash frame is provided with an opening frame 13 as shown in FIGS. 2 to 4 in order to arrange an opening cover 20 as shown in FIG. 2 along the edge of the opening. A wind guide blade 14 is supported in the opening frame 13 by a blade holding frame 15 and a blade supporting spring 16. The wind guide vane 14 is supported at a substantially central position in the opening frame 13 so as to be swingable in an out-of-plane direction (indoor / outdoor direction), and has a function to moderate and guide the wind speed from inside and outside. .
[0016]
As shown in FIG. 3, a net 17 is arranged on the outdoor side of the opening frame 13, and an outdoor cover 18 is further fixed on the outdoor side via a guide frame 18a. The outdoor cover 18 has a function as a decorative board and a function to prevent wind and rain from directly blowing into the opening frame 13. These opening frames 13 are arranged between an upper frame 19a and a lower frame 19b which constitute a sash frame. As shown in FIG. 3, the left and right guide support frames 12 forming the ventilation passage are formed integrally with the opening frame 13, and a rectangular plate body is formed on the indoor side. Is mounted.
[0017]
(Opening cover 20)
An opening cover 20 is provided on the indoor side of the opening frame 13 so as to be opened and closed by moving in parallel to the indoor and outdoor directions. As shown in FIG. 4, the opening cover 20 covers the entire vertically long opening, and a reinforcing angle member 21 is disposed inside the opening. As shown in FIGS. 4 and 6, an operation handle 50 is pivotally mounted at a predetermined angle via a handle support 51 so as to be freely rotatable. In addition, a rod-shaped guide arm 22 is mounted in the opening frame 13 at a predetermined interval in a protruding state.
[0018]
(Guide arm 22)
As shown in FIGS. 10 and 12, the guide arm 22 is a rod-shaped body having a circular cross section as a whole, and a guide arm mounting plate 24 is mounted on its mounting end 22b. As shown in FIGS. 10 and 11, a small-diameter flat portion 22a is provided on a part of the guide arm 22 on the left and right sides over a predetermined length. The guide arm mounting plate 24 is mounted at right angles to an arm mounting hole 24a formed in the center of the guide arm mounting plate 24. As shown in FIG. 12, a cover mounting hole 24b is formed in the periphery of the guide arm mounting plate 24, and the guide arm mounting plate 24 is mounted on the opening cover 20 by the cover mounting hole 24b.
[0019]
(Opening / closing guide section 30)
Next, the opening / closing guide unit 30 will be described. The opening / closing guide section 30 is mounted on the opening frame 13 side, and supports and guides the guide arm 22 so that the opening cover 20 can be separated from and fixed to the opening frame 13. . As shown in FIGS. 7 to 9, a guide portion substrate 31 is attached to the indoor side end surface of the opening frame 13. As shown in FIG. 9, the guide portion substrate 31 is formed in a long rectangular shape on the left and right sides, and mounting screw holes 31a are formed near the left and right edges thereof, and a stopper 32 is disposed at the center thereof. ing.
[0020]
The stopper 32 is a substantially square plate made of synthetic resin, and has a columnar projection 32a integrally formed on one side (right side) thereof, and a guide arm 22 at the center thereof. A guide arm hole 32b to be inserted is formed, and left and right guide long holes 32c of a predetermined length are formed on both sides in parallel on both sides. The guide arm hole 32b has a combination of a circular shape and a rectangular shape as viewed from the front, as shown in FIG. 9 in particular. Unless an external force is applied to the stopper 32, the rectangular portion is formed by the spring 36 into the cylinder 33. (The state shown in FIG. 9).
As shown in FIGS. 6 to 8, a cylinder 33 having a predetermined length is attached at a right angle to the outside of the guide portion substrate 31 (inside the opening frame 13), and the outside end of the cylinder 33 has an opening. The frame 13 is supported by a mounting plate 37 mounted on the outdoor side. Then, the guide arm 22 on the side of the opening cover 20 is inserted into the cylinder 33 so as to be horizontally movable.
[0021]
As shown in FIGS. 8 and 9, guide pins 35 are implanted in the upper and lower portions of the guide substrate 31, and the guide pins 35 are inserted into the left and right guide slots 32c. A spring 36 is disposed on the outer periphery of the projection 32 a, and the right end of the spring 36 is in contact with a guide plate 34 provided on the right side of the stopper 32. In FIG. 7, reference numeral 38 denotes a guide frame arranged in the stopper 32.
[0022]
According to the above configuration, as shown in FIGS. 6 and 7, the guide arm 22 attached at a right angle to the opening cover 20 side is inserted into the cylinder 33 from the guide arm hole 32b shown in FIG. At this time, by sliding the stopper 32 rightward against the spring 36, the guide arm 22 is inserted into the cylinder 33 via the circular portion of the guide arm hole 32b. In this state, the opening cover 20 can move parallel to the opening frame 13 in the near and far directions. Even when the opening cover 20 is separated from the opening / closing guide portion 30, the step portion 22c at the end of the small-diameter flat portion 22a engages with and abuts on the rectangular portion of the guide arm hole 32b in the stopper 32. 22 does not fall out of the opening / closing guide section 30. The shape of the step 22c is not limited to the illustrated one, but may be a gentle step 22c as long as the guide arm 22 has a stop action.
[0023]
To completely separate the guide arm 22 from the cylinder 33, the stopper 32 is moved to the right against the spring 36 so that the small-diameter flat portion 22a does not engage with the stopper 32. .
[0024]
(Lock part 40)
Next, the lock section 40 will be described with reference to FIGS. 1 (A) and 1 (B) and FIGS. 5 (A) and 5 (B). The lock portion 40 moves the opening cover 20 at both the position farthest from the opening frame 13 (open state, FIG. 1A) and the position where the opening cover 20 abuts closest (closed state, FIG. 1B). , Locked (in a state where movement is impossible). The lock portion 40 is mounted on the outdoor side of the opening cover 20 via a base 41 formed of a rectangular plate. In FIG. 5A, reference numeral 42a is a frame for attaching the lock portion 40 to the opening cover 20.
As shown in FIG. 5 (B), a shaft hole (no code) is formed in the center of the base 41, and the rotation shaft (no code) of the operation handle 50 and the shaft 42 on the lock portion 40 side are attached to the mounting frame. It is configured to work together within 42a. As shown in FIG. 5A, a joint 43 is arranged on the shaft 42, and a closed lock plate 45a and an open lock plate 45b are fixed to the joint 43 by screws 46a via washers.
[0025]
A rubber plate 44 is mounted on the back of the open lock plate 45b with screws 46b. The rubber plate 44 is used for buffering when the wind guide vanes 14 arranged in the vicinity as shown in FIG.
In particular, as shown in FIG. 5 (A), the closed lock plate 45a and the open lock plate 45b are formed as one body, one end of which is curved to form the closed lock plate 45a, and the other end is similarly curved. An open lock plate 45b is formed. Then, as shown in FIG. 1A, when the shaft 42 is rotated by the operation handle 50, the closing lock plate 45a is engaged with the outside of the lock frame 11 outside. With this engagement, the opening cover 20 is locked (closed state lock) (the position of the opening cover 20 in this state is indicated by a solid line in FIG. 3).
[0026]
From this state (closed state lock), the operation handle 50 is rotated to release the engagement between the close lock plate 45a and the lock frame 11, whereby the opening cover 20 is separated from the opening frame 13 (open / close). It becomes possible.
By rotating the operation handle 50 in the reverse direction in a state where the opening cover 20 is farthest from the opening frame 13, the open lock plate 45 b is moved to the indoor side of the lock frame 11 as shown in FIG. The opening cover 20 is locked (opened locked) in a state where the opening cover 20 is farthest from the lock frame 11 (the position of the opening cover 20 in this state is shown in FIG. 3). See broken line).
In this state, by slightly rotating the operation handle 50 in the reverse direction, the engagement of the open lock plate 45b with the lock frame 11 is released, and the opening cover 20 can be separated from and slid with the lock frame 11. (See the arrow in FIG. 3). In FIG. 5B, reference numeral 23 denotes a rotation restricting slot of the operation handle 50.
[0027]
As described above, in the present embodiment, the opening frame cover 20 is provided on the opening frame 13 of the ventilation opening formed in the sash frame of the building so as to be able to move horizontally to the indoor side. In either of the open states, the opening cover 20 can be locked in any of the open and closed states by slightly rotating the operation handle 50 for opening and closing.
[0028]
In the above embodiment, a tight material may be attached to one of the contact portions in order to improve the sealing performance when the opening cover 20 contacts the opening frame 13. Although the opening cover 20 cannot be separated from the opening frame 13 in the normal state as described above, the opening cover 20 can be easily removed by moving the stopper 32 to the right in the above embodiment. It became.
[0029]
In the above embodiment, the lock plates 45a and 45b are provided at two places and the lock frame 11 is one. However, the lock plate may be one and the lock frame 11 may be two. Further, in the above embodiment, the cylinder 33 is provided between the opening frames 13, 13, but may be provided on other portions, for example, on the opening frame 13 itself. In this case, it goes without saying that it is desirable to make incidental design changes such as making the position of the opening / closing guide section 30 and the shape of the outdoor cover 18 wider. Further, the shape of the operation handle 50 may be, for example, L-shaped or the like in addition to the T-shaped as in the embodiment.
[0030]
【The invention's effect】
According to the present invention, the opening / closing state of the opening cover 20 can be maintained / locked with a simple opening / closing structure and the opening / closing device has high ventilation efficiency. Further, since the opening cover is not of a rotary type and has a configuration in which two guide arms are slid in parallel, a large amount of air flows. Further, since the opening cover is opened and closed by parallel movement, when a tight material is provided, the opening material is uniformly brought into contact with the opening frame, so that the tight material is hardly deformed and has an effect of high durability.
[0031]
Furthermore, according to the present invention, the inflowing wind (air) can be divided into the same amount on the left and right sides of the opening cover (only one of the revolving doors). Therefore, even if the opening width of the opening cover is small, ventilation is possible. Efficient. In addition, the airtightness of the opening cover in the closed state is good, and the ventilation in the open state can be sufficiently performed. In addition, the present invention has a simple structure, and can be locked not only in opening and closing but also in opening and closing only by operating the handle, and the operation is simple.
[0032]
In addition, there is an effect that the support of the opening cover is stable, the attachment and detachment of the opening cover from the opening frame are easy, and the ventilation hole portion can be easily cleaned at the time of removal. It is also easy to inspect, maintain and clean the inside of the unit.
[Brief description of the drawings]
FIG. 1 is an explanatory view of a lock portion of an opening cover opening and closing device according to an embodiment, showing a closed state (A) and an open state (B).
FIG. 2 is a front view of an opening cover to which the embodiment is applied.
FIG. 3 is a sectional view taken along line AA of FIG. 2;
FIG. 4 is a longitudinal sectional view of a switchgear to which the present embodiment is applied.
FIGS. 5A and 5B are explanatory views of a portion C in FIG. 1;
FIG. 6 is an explanatory view of a D part (opening / closing guide part) in FIG. 4;
FIG. 7 is a plan view of the opening / closing guide section of FIG. 6;
FIG. 8 is a side view of the opening / closing guide section of FIG. 6;
FIG. 9 is a front view of the opening / closing guide unit of FIG. 6;
FIG. 10 is an overall view of a guide arm in the embodiment.
FIG. 11 is an explanatory view of the guide arm.
FIG. 12 is a front view of a mounting plate of the guide arm.
[Explanation of symbols]
11. Lock frame 12. Guide support frame 13. Opening frame 14. Wind guide blade 15. Blade holding frame 16. Blade support spring 17. Net 18. Outdoor cover 18a (Outdoor) Guide frame 19a, upper frame 19b, lower frame 20, opening cover 21, angle member 22, guide arm 22a, small-diameter flat surface portion 22b, mounting end portion 22c, step portion 23 ··· Rotation regulating long hole 24 ··· Guide arm mounting plate 24a ··· Arm mounting hole 24b ··· Cover mounting hole 30 ··· Opening / closing guide portion 31 ··· Guide portion substrate 31a ··· Mounting screw hole 32 ··· Stopper 32a ··· Projection part 32b Guide arm hole 32c Left and right guide long hole 33 Cylinder 34 Guide plate 35 Guide pin 36 Spring 37 Mounting plate 38 Guide frame 40 Lock part 41 .... Base 42 ... 42a ... attachment frame 43 ... joint 44 .. rubber plate 45a ... closed lock plate 45b ... open lock plate 46a, 46b ... bis 50, 50 '... operating handle 51 ... handle support

Claims (7)

An opening frame of a building, and an opening cover which is opened and closed by being moved in parallel by a push / pull operation of an operation handle in a direction perpendicular to an in-plane direction of the opening frame, and the opening frame includes A plurality of cylinders are provided in a direction in which the opening cover is opened and closed, and the opening cover is provided with a plurality of guide arms that are inserted into and guided by the respective cylinders. An opening and closing device for an opening of a building, wherein the opening and closing part can be locked in a closed state and an open state. A lock portion rotatable by the rotation operation of the operation handle is projected toward the opening frame side, and a lock frame is arranged in the opening frame so as to be close to a position where the lock portion moves, and a lock plate is provided on the lock portion. 2. The opening cover of a building according to claim 1, wherein a lock plate is engaged with a lock frame by rotation of the lock portion at the closed position and the open position of the opening cover. Switchgear. 3. The opening / closing device according to claim 2, wherein the lock plate comprises a closed lock plate and an open lock plate. The opening cover opening / closing device for a building according to any one of claims 1 to 3, wherein the opening cover is detachably attached to the opening frame when the lock is not applied. A shutter provided with a hole through which a guide arm can be inserted near the inlet of the cylinder, wherein the shutter has a function of preventing the guide arm from being pulled out of the cylinder. The opening / closing device for an opening of a building according to claim 4. The opening of a building according to claim 5, wherein the shutter is elastically contacted in a direction of the guide arm, and the guide arm has a small-diameter flat portion and a step portion serving as a shutter engagement portion. Unit cover opening and closing device. The opening cover opening / closing device for a building according to any one of claims 1 to 6, wherein a tight material is provided at a contact portion of the opening cover with the opening frame.

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