JP2004197375A - Door scope - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make an indoor side invisible from outdoors without impairing visibility when observing the outdoors from the indoor side. <P>SOLUTION: In this door scope 7 provided with an outdoor lens 23 on the outdoor side, a semi-transparent film 25 is formed on the outdoor lens. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a door scope incorporated in an entrance door or the like.
[0002]
[Prior art]
A door scope incorporated in an entrance door or the like allows a visitor or the like to check the outdoors with a wide field of view by the action of a lens from inside.
[0003]
The conventional door scope makes it difficult to see the interior from the outside due to the lens action. However, when the interior is bright, the interior of the interior can be confirmed from the door scope in some cases.
[0004]
Therefore, as in Patent Document 1 shown in FIG. 6, an opaque slide-type lid 1 is slidably provided on the indoor side of the door via a pedestal 2, and the lid 1 is used to confirm a door-scope-sized visitor. A hole 3 is made, and the lid 1 is slid so that the hole 3 can be made to coincide with a door scope. Further, a light-shielding plate is provided above the slide base 2 for blocking light from directly above the entrance. 4, there is a type in which the light shielding force at the time of opening and closing the slide type lid 1 is enhanced.
[0005]
[Patent Document 1]
JP 2001-98858 A
[Problems to be solved by the invention]
In the above-mentioned conventional example, a pedestal, a lid, and a light-shielding plate must be provided on the door, and the structure is complicated, cost is increased, the design of the door is impaired, and the lid must be slid every time the door is checked. It was accompanied by poor operability.
[0007]
In view of such circumstances, the present invention does not impair visibility when observing the outdoors from the indoor side, and also makes the indoors invisible from the outdoors.
[0008]
[Means for Solving the Problems]
The present invention relates to a doorscope having an outdoor lens on the outdoor side, wherein the outdoor lens has a semi-transmissive film, and the outdoor lens is a wide-angle lens.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0010]
FIG. 1 shows a door 8 provided with a door scope 7. In FIG. 1, 9 is a lock, and 10 is a handle.
[0011]
The door scope 7 according to the present invention will be described with reference to FIGS.
[0012]
In the figure, reference numeral 11 denotes a door, and a door scope 7 is provided through the door 11. The door body 11 includes a front surface member 12 and a back surface member 13, and the door scope 7 includes an outdoor lens barrel 14 and an indoor lens barrel 15.
[0013]
The outdoor lens barrel 14 comprises a flange 16, a neck 17, and a bolt 18 from the outside, an optical path hole 19 penetrates the center, and a recess 21 is formed in the flange 16 from the outside. . A male screw 22 is engraved on the bolt portion 18, and an outdoor lens 23, which is a wide-angle lens, is fitted into the concave portion 21 by a required fixing means such as bonding, and an eyepiece is provided at an indoor end of the bolt portion 18. A lens 24 is provided. A semi-transmissive film 25 such as a chrome layer is formed on the surface of the outdoor lens 23 by means of vapor deposition or the like, and is in a half mirror state.
[0014]
The indoor barrel portion 15 has a flange portion 26 formed at an end on the indoor side, a slit groove 27 is formed in the flange portion 26, and a female screw 28 is formed on an inner surface of the indoor barrel portion 15. ing.
[0015]
A lens barrel holding hole 29 is formed in the surface member 12, and the neck portion 17 is fitted into the lens barrel holding hole 29. The neck portion 17 is formed with a chamfered portion 17a, the lens barrel holding hole 29 is formed with a flat portion 29a, and when the neck portion 17 is fitted into the lens barrel holding hole 29, the outdoor lens barrel portion 14 is turned. It is being stopped.
[0016]
The indoor lens barrel 15 is rotatably penetrated through the back material 13, and the indoor lens barrel 15 is screwed into the outdoor lens barrel 14 via the female screw 28 and the male screw 22, and the slit is formed. By inserting a tool such as a driver (not shown) into the groove 27 and turning it, the door 11 is sandwiched and fixed between the flange portion 16 and the flange portion 26. As described above, since the outdoor lens barrel 14 is locked, the door scope 7 cannot be removed by turning the outdoor lens barrel 14 from the outside after installation.
[0017]
In the above-described door scope 7, since the outdoor lens 23 is used, when viewed from the inside through the door scope 7, the outdoor can be observed in a wide range, for example, with a viewing angle of 200 degrees. Further, since the semi-transmissive film 25 is formed on the outdoor lens 23, it is possible to observe the outdoors from indoors. This cancels out, making it almost impossible to see the interior, and the visibility from the outside is significantly reduced.
[0018]
The outdoor lens 23 also functions as a reflecting mirror, and when unlocking the door 8, it is possible to confirm whether or not there is a person behind the door 8, thereby improving security.
[0019]
Also, the outdoor lens 23 is formed with a convex curved surface, and the door scope 7 itself gives a soft impression, and the design of the door scope 7 and the door 8 is improved.
[0020]
Although a wide-angle lens is used as the outdoor lens 23 in the above embodiment, a normal lens may be used, and the surface of the lens may be flat. Further, depending on the combination with the eyepiece lens 24 or another lens, the outdoor lens 23 may be a concave lens instead of a convex lens.
[0021]
【The invention's effect】
As described above, according to the present invention, in a door scope having an outdoor lens on the outdoor side, a semi-transmissive film is formed on the outdoor lens. Function as
[0022]
Further, since the outdoor lens is a wide-angle lens, it exhibits excellent effects such as being able to observe a wide range of outdoor conditions from indoors.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a door provided with a door scope.
FIG. 2 is a side view showing the embodiment of the present invention.
FIG. 3 is a side sectional view showing the embodiment of the present invention.
FIG. 4 is a view of the door scope in FIG.
FIG. 5 is a view of the surface material in FIG.
FIG. 6 is a perspective view of a conventional example.
[Explanation of symbols]
7 Door Scope 11 Door Body 12 Surface Material 13 Back Material 14 Outdoor Barrel 15 Indoor Barrel 17 Neck 23 Outdoor Lens 24 Eyepiece 25 Semi-Transmissive Film 29 Barrel Retaining Hole

Claims (2)

A door scope having an outdoor lens on the outside, wherein a semi-permeable film is formed on the outdoor lens. The doorscope according to claim 1, wherein the outdoor lens is a wide-angle lens.

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