JPH04202991A - Small window device for vestibule door - Google Patents

Abstract

PURPOSE:To ease draft and ventilation work in a door-closed condition by fitting a small window sash, whose periphery is surrounded with an insect screen, to a small window opening part provided on a door, and freely opening/ closing the sash via an operating device. CONSTITUTION:A small window device 10 is composed of a frame body 20 of an opening part 2, a small window sash 30, and an operating device 40. The small window sash 30 is formed with a frame body 31, a wired glass, and a supporting rod 32. In an operating mechanism 41, X-shaped operating rods 42 are assembled between an indoor side of either of right and left sides of the frame body 20 and the frame body 31 of the window sash 30 corresponding to the indoor side, and a pantagraph 42 is formed. Moreover, one of the operating rods 42 is shaft-supported with the frame body 20 to form an operating lever 44. This enables any time draft and ventilation in the room inside even if a door is closed for preventing crimes.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement of a small window device for an entrance door, and in particular,
This invention relates to a small window device for an entrance door that allows sunlight and ventilation by configuring the window to be openable and closable.

[Conventional technology] A lock, a door closer, etc. are installed on the outward-opening entrance door to control the opening and closing of the door, and security equipment such as a security scope, security chain, and door guard are installed to prevent crime when the door is opened. is provided. However, as a basic protection measure, a fire prevention function is also required, so the entire door is constructed as a panel door to isolate it from the outside.This makes the entrance dark and requires constant lighting. , small windows using wired glass are being installed.

Furthermore, it is well known to provide a louver below the door for ventilation between the outside and the room, but a louver with fixed blades has the disadvantage of allowing cold wind to blow in.

Furthermore, since the opening on the outside is often limited to the entrance/exit, security chains and door guards have been proposed to keep the door ajar rather than fully open. Be wary of opening up.

On the other hand, it is basic to keep all doors closed, not just entrance doors, using door closers, etc., but especially for ventilation in the summer,
There are times when you want to keep the door slightly open for ventilation, etc., and anti-fans for floors and walls are limited to fully opening, so wedges are mainly inserted between the floor and the door. A simple method is to sandwich a suitable hard object between the door frame and the door to hold it in an appropriate position.

[Problem to be solved by the invention] However, since conventional door guards are intended for crime prevention, they are normally kept closed by door closers, etc., and do not have any ventilation or ventilation functions. Even if a gap can be formed in the door by improving the door guard, it is likely to come off due to vibrations caused by wind, etc., and in that case, the original security purpose and function of the door guard will be lost. Furthermore, in such usage, if the support is removed and the half-open state is restored, the user may be locked out.

In addition, commonly used wedges tend to move easily on the floor, have poor holding power, and require the user to bend deeply to operate on the floor. Furthermore, even if an arbitrary object is used between the door and the frame, the paint on the door is likely to be damaged, and the object itself is likely to be damaged, so it is merely a matter of convenience and cannot be called technical.

Furthermore, providing a louver not only impairs the appearance of an entrance door, but also requires a separate manufacturing process from the door body, making an openable louver expensive.

[Means for Solving the Problems] The present invention was created with the aim of solving the above problems, and focuses on a conventionally known small window to enable daylighting, and further improves it. The gist of the invention is that the opening/closing operation means is configured to allow ventilation and ventilation. That is, the present invention provides an opening for a small window in the entrance door, and inside this opening, a small window sash is formed that allows sunlight to enter and is surrounded by an insect-proof net, and is slidable in and out. It is characterized in that the small window sash is configured to be able to be opened and closed in the inside and outside directions via an operating device, and by disclosing a specific opening and closing mechanism to the operating device, it is possible to open and close the small window sash in both directions. A small window for use not only provides daylight, but also
This was a success in adding ventilation and cross-ventilation functions.

[Embodiments] The structure of the present invention will be explained in detail based on drawings showing embodiments. 1 and 2 are perspective views of the exterior side showing the entire entrance door employing the small window device of the present invention, and FIG. 1 is a perspective view of the outside surface when the small window device is opened; Figure 2 is a perspective view of the small window when it is closed, Figures 3 to 6 are sectional views of its main parts, Figure 3 is an example in which the operating mechanism is a pantograph, and Figure 4 is a bending link type. An example is shown below. In the figure, l is a steel entrance door that opens outward (hereinafter simply referred to as a door), 2 is a normally rectangular opening provided in the door 1, and 3 is a small window built into the opening 2. The metal frame 31 is constructed as a sash, and wired glass 4 having fireproof performance is fitted therein.

The small window device for an entrance door of the present invention is indicated by the reference number 1O as a whole, and includes a frame 20 around an opening 2 and a small window sash 30.
, connect these and attach the small window sash 30 to the frame 20.
It consists of an actuating device 40 that opens and closes inward and outward directions.

The frame 20 is constructed by fixing the surface plate 22 of the door 1 to the surrounding frame 2J that defines the periphery of the opening 2 so as to slightly protrude toward the opening 2, but the surrounding frame 21 is Depending on the thickness of the door l, it may be constructed of respective peripheral frames fixed to the inner and outer surfaces of the opening 2 and four corner frames connected in the thickness direction of the door l.

The small window sash 30 is arranged inside the frame 20, and includes a planar frame 31 that is slightly larger than the opening 2, a wired glass 4 fitted inside the frame 31, and inner walls on the back side of the four corners of the frame 31. The length of the support rod 32 is made approximately equal to the thickness of the door l, and the support rod 32 is fixed in a direction perpendicular to the door l.
It is configured in a 5γ shape with an inward opening and a size that allows it to be fitted into the inside of the frame body 20. On the outer periphery of each support rod 32,
An insect-proof net 33 is set up and wrapped around it to isolate it from the outside. The inner ends of each support rod 32 are connected by four circumferential frame members 34,
A part thereof is made to protrude outward so that when the small window plate 30 moves forward, it collides with the inner surface of the surface plate 22 to prevent removal. A rubber sealing material 35 is attached to the outer edge of the support rod 32 of the frame 31 to seal the space between it and the outer surface of the surface plate 22. The insect screen 33 may be made of punching metal.

Further, a decorative lattice 36 is optionally provided within the plane of the frame 31 of the small window sash 30.

In the present invention, the frame 20 and the small window sash 30 are connected by an operating device 40 for opening and closing, and an operating mechanism is provided between the frame 20 and the small window sash 30 as an operating mechanism for the operating device 40. Incorporate 41.

The operating mechanism 4] will be explained with reference to FIGS. 3 and 4. Third
The figure shows the first example, and shows the indoor side of the vertical frame on either the left or right side of the frame 20 and the frame 3 of the corresponding small window sash 30.
An X-shaped operating rod 42 is incorporated between the vertical frame 1 and
While forming a pantograph 43 that acts in a vertical plane,
One of the actuating rods 42 has its base end pivotally supported on the frame 20, and is further extended toward the indoor side to form an operating lever 44, thereby moving the small window sash 30 forward and backward, as is known in the art. to open and close. 45.46 is the frame body 20 and the small window sash 3
This is a guide rail at the other end of the operating rod 43 provided along the frame body 31 of 0. The above-mentioned actuation mechanism 42 may be provided horizontally on both sides or the bottom surface of the opening 2, depending on the shape of the opening 2.

FIG. 4 shows a second example, in which a bending link-type operating rod 47 is formed on one side of the frame 20, and an operating lever 48 is formed at the inner end of the lever 47 in the same manner as described above. By operating the operating lever 48 at the pivot point, the operating rod 47 is bent and extended, and the small window sash 30 is opened and closed by moving its outer end forward and backward.

The actuating device 40 is most simply as shown in FIG.
The actuation mechanism 41 can be manual. In this example, a known stay fitting 49, which is normally used to prevent hinged windows from swinging, is used at the bottom of the opening 2.

In another example of a manual type, as shown in FIG.
1 can be constituted by a coil spring 50. The coil spring 50 is a compression spring, and is used by being inserted into the hollow tube 37 in order to be disposed along the inside of the support rod 32. The hollow tube 37 is a tube fixed to the outer end side of the support rod 32,
The inner and outer ends of the tube fixed to the frame body 20 side are fitted and slidably connected to each other, and are expandable and contractible in response to the coil spring 50. One outer end 51 of the coil spring 50 is attached to the frame 31
The other end 52 on the inner end side is fixed to the indoor side of the frame 20, and is biased in the direction of extension.

On the other hand, a handle 39 such as a gripping ball having a hook 38 is screwed onto the inner end of the support rod 32, and the hook 38 is engaged with the frame 20 to resist the bias of the coil spring 50. The small window sash 30 is held in the closed position.

Needless to say, the small window device 10 of the present invention is not limited to the above embodiments. For example, the shape of the small window sash 30 is not limited to a rectangular shape, and when the small window sash 30 has another shape, the actuating device 40
Select and adopt the mounting position or model. Also,
In order to make the movement of the small window sash particularly smooth, the frame 2
An inward/outward sliding mechanism may be employed between the inner surface of the insect screen 33 and the outer surface of the insect screen 33.

[Function] The function of the small window device of the present invention will be explained based on the method of use. First, when the door l is closed, as in the examples shown in FIGS. 3 to 6, the small window sash 30 is moved back by the sugar device 40, the opening 2 is closed, and only the lighting inside the entrance is ensured. do.

Next, when ventilation is required in the room, the operating device 4
The operating mechanism 42 of o is operated. In the first embodiment shown in FIG. 3, when the operating lever 44 is moved up and down, the small window sash 30 moves back and forth parallel to the door 1 to open and close the opening 2 by the well-known action of the pantograph 43. In the second embodiment shown in FIG. 4, the small window sash 30 moves back and forth parallel to the door 1 to open and close the opening 2 by operating the operating lever 48. Even when the actuating mechanism 42 operates only on one side of the small window sash 30, the movement of the actuating mechanism 42 can be smoothly performed by sliding the entire body due to the support of the support rod 32 and the contact between the insect screen 33 and the inner surface of the opening 2. At the same time, the space around the outer periphery of the small window sash 30 that has moved forward is always blocked off by the insect screen 33, and only ventilation A is provided.

In the example of the manual type shown in FIG.
The coil spring 5 is rotated to release the engagement with the frame body 20.
If a bias of 0 is applied, the /h window sash 30 is pushed out, allowing ventilation A between the opening 2 and the frame 2o. At this time, due to the configuration of the hollow tube 37, the coil spring 5
Even if there is inertia in the extension, the small window sash 30 will not pull out outward.

['f@light effect] As described above, the small window device for an entrance door of the present invention has an opening for a small window in the entrance door, and a portion of this opening that allows sunlight to enter. A small window sash formed by surrounding the periphery with an insect repellent net is attached so as to be able to slide in and out, and the small window sash is configured to be able to be opened and closed in both the inside and outside directions via an actuating device. While achieving the original security purpose of the door, it is possible to brighten the entrance by letting in light as is well known, and by improving the opening/closing device, the small window can be used in ways that suit daily life. The openable and closable structure allows for easy ventilation and ventilation. Moreover, the configuration of the small window device for entrance doors of the present invention is such that an opening is simply opened in a normal blind door, and not only an operating mechanism is used for the operating device, but also a simple manual operation is adopted. It also has a degree of freedom. In addition, it does not require special materials or techniques to manufacture, its usage is simple and suitable for daily life, and the operation is added based on the function of advancing and retracting, so it has extremely useful new effects. It is something that plays. Furthermore, it can be easily applied not only to new doors but also to existing doors.

[Brief explanation of the drawing]

The drawings show a preferred embodiment of the small window device for an entrance door of the present invention, and FIGS. 1 and 2 are perspective views from the outside showing the entire front door employing the small window device of the present invention. Fig. 1 is a perspective view of the external surface when the small window device is opened, Fig. 2 is a perspective view when the small window device is closed, and Figs. 3 to 6 are sectional views of the main parts. Fig. 3 shows an example in which the operating mechanism is a pantograph, Fig. 4 shows an example in which a bending type is used, Fig. 5 is a plan view when the operating mechanism is a manual type, and Fig. 6 shows an example in which the operating mechanism is a manual type. Figure 3 shows an example vertical cross section. 1... Entrance door, 2... Opening, 3... Small window, 4...
... wire glass, 10 ... small window device, 20 ... frame body, 21 ... surrounding frame body, 22 ... surface plate, 30 ...
Small window sash, 31... Frame, 32... Support rod, 33
...Insect screen, 34...Frame material, 35...Sealing material,
36... Decorative lattice, 37... Hollow tube, 39... Handle, 40... Actuation device, 41... Actuation mechanism, 4
2.47... Operating rod, 43... Pantograph, 44
．． 48... Operation lever, 49... Stay metal fitting, 50
... Coil spring, A... Ventilation.

Claims (2)

[Claims] (1) An opening for a small window is provided in the entrance door, and a small window sash that allows sunlight to enter and is surrounded by an insect-proof net is installed inside this opening so that it can slide freely in and out. Also, a small window device for an entrance door, characterized in that the small window sash is configured to be able to be opened and closed inward and outward directions via an operating device. (2) The small window device for an entrance door according to claim 1, wherein the actuating device includes an actuating mechanism using a pantograph or a bending lever as an actuating rod.