JPH0421111Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a case for a human body detection switch that is attached to the door of an automatic door.

[Conventional technology]

The human body detection switch is equipped with a light emitter and a light receiver,
The human body is detected by receiving the light emitted from the projector and reflected from the human body by the receiver, and the case includes the projector, the projecting mirror,
A light receiver and a light receiving mirror are provided.

[Problem that the invention attempts to solve]

In such cases, it is necessary to be able to easily attach and remove the emitter, receiver, emitter mirror, and receiver mirror, and also to install the emitter and receiver inside the case. It is necessary to position and install it so that it has a predetermined positional relationship. Therefore, the present invention allows the emitter, receiver, emitter mirror, and light receiver mirror to be easily attached and removed, and also allows the emitter and receiver to be positioned relative to the emitter mirror and the light receiver mirror within the case. The purpose of the present invention is to provide a case for a human body detection switch that can be installed.

[Means and actions for solving problems]

A box-shaped lower case 3 with an open upper part and a box-shaped opening window 2 with an open lower part and an opening edge attached to the opening edge of the lower case 3 on one side for fitting a filter.
A box-shaped case main body 1 is constructed from an upper case 4 having an upper case 5 and a filter 5 fitted in an opening window 25 for filter fitting of the upper case 4, and this case main body 1 is fitted into a cover body 2. The filter 5 is arranged to face the opening 55 of the cover body 2, and the bottom of the lower case 3 and the upper case 4 are joined to each other on the left and right sides of the bottom, with recesses facing the fitting parts. A first mirror body 61 is provided with a light-emitting mirror, a partition plate 63 projecting forward from the light-emitting mirror, and a support shaft projecting to one left and right side. A second mirror body 62 is made up of a mirror, a partition plate 72 that protrudes forward from the light-receiving mirror, and a support shaft that protrudes to the other left and right sides. The other left and right sides are integrally connected to form a mirror body 60, and a mounting body 80 is attached to the partition plate 63 of the first mirror body 61.
A floodlight 82 is attached to the partition wall plate 72 of the second mirror body 62, and a mounting body 80 is attached to the partition wall plate 72 of the second mirror body 62.
0, the mirror body 60 is supported by the support shafts on one side and the other side in the recesses of the left and right support parts, and is installed in the case body 1, and the cover body 2 is removed and lowered. By separating the case 3 and the upper case 4, the mirror body 60 can be removed, and the emitter 82 and the receiver 84 can be mounted inside the case body 1 by positioning them with respect to the emitter mirror and the light receiver mirror. It is something.

〔Example〕

A case is made up of a case body 1 and a cover body 2, and the case body 1 is made up of a lower case 3, an upper case 4, and a filter 5. A partition plate 11 is integrally formed with the front side plate 7 at the left and right intermediate portions of the bottom plate 6, and a supporting portion, for example, a right side plate, is formed on the end surface of the right side plate 10. A support plate 12 is formed upright near the left side plate 9 of the bottom plate 6 so that a left support plate 13 is at the same height as the partition plate 11, and the partition plate 11, the right support plate 12,
A semicircular recess 14 is formed in the upper end surface of the support part, for example, the left support plate 13, and the rear side plate 8 is bent into a hook shape at both left and right ends, so that the left and right ends of the bottom plate 6 have a rear part 6a, 6a is open on the surface, mounting holes 15 are formed in these portions, and an opening window 16 is formed in the left side portion.

The left and right side plates 9, 10, the rear side plate 8, and the right support plate 1
Thin wall portions 9a, 10a, 8a,
12a are formed respectively, and the bottom plate 6
There are screw holes 17 inside the corners of each side plate.
are formed respectively.

The upper case 4 has an upper plate 20 and front and rear, left and right side plates 2.
1, 22, 23, and 24 form a substantially longitudinal box shape, and the upper part of the front plate 21 is inclined toward the upper plate 20, and the left and right ends of the rear plate 22 are bent into a hook shape. The rear portions of the left and right ends of the upper case 4 are bent into a hook shape, and an opening window 25 is formed between the front plate 21 and the upper plate 20, and an opening window 25 is formed between the upper plate 20 and the rear plate 22. support part, for example, the left support plate 26
and a partition plate 27 are integrally formed facing the left support plate 13 and partition plate 11, and the left support plate 26 projects forward from the upper plate 20, and the left support plate 1 is formed on the lower end surface.
A notched recess 28 that fits into the upper part of the lower case 3 is formed, and a semicircular recess 29 facing the recess 14 is formed on the bottom surface of the recess 28. It has a protruding elongated plate shape, and a substantially hook-shaped notch 30 is formed at the lower front side of the plate in contact with the upper and rear end surfaces of the partition plate 11 of the lower case 3. A semicircular recess 31 facing the recess 14 of the partition plate 11 is formed in the diaphragm. Note that thin portions 11a, 11b and 30a, 30b are formed on the upper end surface and rear end surface of the partition plate 11, and on the horizontal and vertical surfaces of the notch 30, which overlap each other.

The right support plate 12 of the lower case 3 is attached to the right side plate 24.
A notch recess 32 into which the right side plate 24 is fitted is formed with an opening on the lower end surface, and a semicircular recess 33 facing the recess 14 of the right support plate 12 is formed on the bottom surface of the cutout recess 32 so that the right side plate 24 serves as a support part. At the same time, the notch recess 3
The thin wall portion 1 of the right support plate 12 is located on the bottom and front and rear surfaces of the right support plate 12.
A groove 32a into which the left and right side plates 2a fit is formed, and the left and right side plates 9 and 10 of the lower case 3 and the rear side plate 8 are formed on the lower end surfaces of the left and right side plates 23 and 24 and the lower end surface of the rear side plate 22.
Concave groove 2 into which the thin wall portions 9a, 10a, 8a of
3a, 24a, 22a are formed,
A thin wall portion 21a is formed at the lower end of the front plate 21 to protrude downward, and thin wall portions 25a, 25a continuous with the thin wall portion 21a are integrally formed with the left and right edges of the opening window 25 so as to project inward. Along with being there,
The front end surface portion of the upper plate 20 is thin and forms a stepped portion 25b on the inner surface, and a rod-shaped body 34 is integrally formed at the corner of each side plate, and this rod-shaped body 34 extends downward from the lower end surface of each side plate. A screw hole 35 is formed that protrudes and faces the through hole 17 of the bottom plate 6.

The filter 5 is formed into a dogleg shape approximately the same size as the opening window 25 of the upper case 4 by a lower plate 40, an intermediate plate 41, and an upper plate 42 made of a material that transmits infrared rays, and the lower end of the lower plate 40. There is a thin tongue piece 4 in the part.
3 are integrally formed, and protrusions 4 are formed on the inner surfaces of both left and right ends of the lower plate 40 and on the inner surfaces of both left and right ends of the intermediate plate 41 and the upper plate 42.
4 are formed continuously, and a tongue piece 45 is integrally formed on the end face of the upper plate 42, and the inner surfaces of the lower plate 40, the intermediate plate 41, and the upper plate 42 are provided with the partition plate 27 of the upper case 4. A groove 46 into which the front end surface 27a fits is formed, and notches 47 and 48 into which the left support plate 26 and partition plate 27 of the upper case 4 fit are formed in the tongue piece 45. is fitted into the opening window 25 of the upper case 4.

The cover body 2 includes a front plate 50, an upper plate 51, and a rear plate 5.
2 and left and right side plates 53 and 54 form a box shape with an open bottom, and an opening 55 is formed in the front plate 50, and the front plate 50 is bent into the same shape as the filter 5 and attached to the case body 1. The intermediate plate 4 of the filter 5 is designed so that it can be fitted and installed.
1. Thin portions 41a and 42a formed at both left and right ends of the upper plate 42 fit into both left and right edges of the upper portion of the opening 55 to prevent rattling in the left and right directions.

A mirror body 60 is installed inside the case body 1, and the mirror body 60 has a first mirror body 61 and a second mirror body 61.
The first mirror body 61 integrally connects a first light projecting mirror 64 and a second light projecting mirror 65 above and below a partition wall plate 63, and the first mirror body 61 integrally connects a first light projecting mirror 64 and a second light projecting mirror 65 above and below a partition wall plate 63.
Left and right side wall plates 66 and 67 are integrally connected on the left and right sides of the partition wall plate 63, and a mounting recess 68 is formed in the front end surface of the partition wall plate 63, and a left support shaft 69 is integrally formed in the left side wall plate 66. , the second mirror body 62 also has a first light receiving mirror 70 similar to the first mirror body 61.
It consists of a second light receiving mirror 71, a partition plate 72, and left and right side wall plates 73, 74, a mounting recess 75 is formed in the front end surface of the partition plate 72, and a right support shaft 76 is integrally formed in the right side wall plate 74. At the same time, its right support shaft 7
An angle adjustment lever 77 is integrally formed on the first
Right side wall plate 67 of mirror body 61 and second mirror body 62
It is connected to the left side wall plate 73 by an intermediate support shaft 78, and each support shaft has the same diameter and is located in a straight line.
The first mirror body 61, the second mirror body 61,
62 is partitioned by the partition plate 11 of the lower case 3 and the partition plate 27 of the upper case 4 to prevent light from leaking between the two, and the angle adjustment lever 7
A protrusion 77a formed integrally with the lower case 3 fits into the positioning groove 12b formed on the right support plate 12 of the lower case 3 to maintain the mounting angle of the mirror body 60 at a predetermined angle, and the protrusion 77a is fitted into the other positioning groove 12b. The mounting angle can be adjusted by fitting them together.

Each of the mounting recesses 68 has a groove 81 of the mounting body 80.
are fitted, and holes 83 and 85 are provided at both ends of the mounting body 80 attached to the first mirror body 61, through which the projector 82 faces.
is formed, and the projector 82 is formed on a substrate 86.
The substrate 86 is fixed to the mounting body 80 by adhesive or the like. Furthermore, holes 83 and 85 are formed at both ends of the mounting body 80 attached to the second mirror body 62, and the light receiver 84 faces therein, and the light receiver 84 is attached to a substrate 86, and the substrate 86 is It is fixed to the body 80 by adhesive or the like.

Therefore, as shown in FIG.
The filter 5 can be held so as not to come off, and the first light emitting mirror 64, the second light emitting mirror 65, and the first light receiving mirror 70 can be screwed together and connected to the filter 5.
The reflection area of the second light-receiving mirror 71 is located between the lower plate 40 and the intermediate plate 41 of the filter 5 and the upper plate 42.
The light emitted from the projector and the light reflected from the human body are made to pass through the filter 5 without increasing the total height L and width H of the entire case, and the cover body 2 is attached to the case body 1. When these are fitted and attached, a space 92 is formed between both ends 6a, 6a of the bottom plate 6 of the lower case 3 and the cover body 2, as shown in FIGS. 4 and 5, and as shown in FIGS. figure,
As shown in FIG. 8, a connector 94 has a lead wire 93 connected to a wiring board 90 attached to a space 92.
The lead wire 95 connected to one side 94a and the other side 94b can be inserted through the hole 97 of the blind 96 through the opening window 16 and connected to a controller (not shown), and by separating the connector 94, the whole can be connected to the blind. 96, and the screw 98 screwed into the hole 96 through the hole 15 can be covered with the cover body 2.

In the above embodiment, a pair of mirror bodies are provided, but if the second light projecting mirror 65 of the first mirror body 61 is used for light reception, only one mirror body may be used.
In this case, the partition plates 11 and 27 may not be provided.

[Effect of idea]

By removing the cover body 2 and separating the lower case 3 and upper case 4, the first mirror body 61 and the second mirror body 61 can be separated.
A mirror body 60 in which mirror bodies 62 are integrally connected can be attached and removed, and can be attached and removed at the same time as a light-emitting mirror and a light-receiving mirror. The first mirror body 61 and the second mirror body 62 equipped with a light-receiving mirror are integrally connected, and a light transmitter 82 is attached to a mounting body 80 attached to the partition wall plate 63 of the first mirror body 61. Since the light receiver 84 has been attached to the mounting body 80 attached to the partition wall plate 72 of the second mirror body 62, the light emitter 82 and the light receiver 84 are positioned within the case body 1 relative to the light emitting mirror and the light receiving mirror. Can be installed by

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is an exploded perspective view, FIG. 2 is a sectional view of the case body and cover body assembled, FIG. 3 is a sectional view of the mirror body attached, and FIG. The figure is a sectional view taken along the - line in Fig. 3, Fig. 5 is a sectional view taken along the - line in Fig. 4, and Figs. They are a top view and a side sectional view. 1 is a case body, 2 is a cover body, 3 is a lower case, 4 is an upper case, 5 is a filter, 25 is an opening window, 80 is a mounting body, 82 is a light projector, and 84 is a light receiver.

Claims (1)

[Scope of utility model registration request] A box-shaped lower case 3 with an open upper part and a box-shaped opening window 2 with an open lower part and an opening edge attached to the opening edge of the lower case 3 on one side for fitting a filter.
A box-shaped case main body 1 is constructed from an upper case 4 having an upper case 5 and a filter 5 fitted in an opening window 25 for filter fitting of the upper case 4, and this case main body 1 is fitted into a cover body 2. The filter 5 is arranged to face the opening 55 of the cover body 2, and the bottom left and right sides of the lower case 3 and the bottom left and right sides of the upper case 4 are joined to each other, and recesses are opposed to the fitting portions. A light-emitting mirror, a partition wall plate 63 protruding forward from the light-emitting mirror, and a support shaft protruding to one left and right side form a first mirror body 61, and a light-receiving mirror is formed. and a bulkhead plate 7 protruding forward from the light receiving mirror.
2 and a second mirror body 6 with a support shaft protruding to the other left and right sides.
2, one left and right sides of the first mirror body 61 and the other left and right sides of the second mirror body 62 are integrally connected to form a mirror body 60, and a mounting body is attached to the partition plate 63 of the first mirror body 61. 80 is attached, the projector 82 is attached to the attachment body 80, the attachment body 80 is attached to the partition plate 72 of the second mirror body 62, and the attachment body 80 is attached.
A human body detection switch characterized in that a light receiver 84 is attached to the body, and the mirror body 60 is attached in the case body 1 with the support shafts on one side and the other side supported by the recesses of the left and right support parts. Case.