JPH11311843A - Lamp housing for exposure device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lamp housing where a lamp or the like inside the lamp housing is easily taken out and attached and maintenance is easy. SOLUTION: The lamp housing 2 housing the light source of an exposure device possesses a housing main body 5 provided with the housing port 51 of a light source and a housing cover 6 opening and closing the housing port 5 of the housing main body 5. Then, the housing cover 6 is screwed at the housing main body 5 by a set screw 7, and holding parts 91 and 92 to hold the holding member 8 of the light source are formed at the housing main body 5 and the housing cover 6, so that the holding member 8 is fixed at the lamp housing 2 by holding the holding member 8 by the holding members 91 and 92 of the housing main body 5 and the holding members 91 and 92 of the housing cover 6 at the time of screwing the housing cover 6 at the housing main body 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lamp housing in an exposure apparatus for photographic processing.

[0002]

2. Description of the Related Art Generally, a lamp housing of this type of exposure apparatus is provided on the body of a photographic processor, and a lamp as a light source, a dimming filter, and the like are provided inside the lamp housing. The light of the lamp provided in the apparatus is radiated to a photosensitive material set in the body through a light control filter.

When a lamp, a dimming filter and the like are housed and fixed in a lamp housing, a lamp housing A is composed of a housing body B and a housing cover C, as shown in FIGS. , The lamp D and the dimming filter E are held in advance by a holding member F, and after the holding member F is screwed into the housing body B, the housing body B is closed with the housing cover C and further screwed. By doing so, the lamp D and the dimming filter E are accommodated and fixed in the lamp housing A.

[0004]

In the above-mentioned lamp housing A, it is necessary to periodically replace the lamp D in the lamp housing A, clean the dimming filter E, etc., and perform maintenance. In this case, the set screw G for fixing the housing cover C to the housing body B is first removed, and the housing cover C is opened.
The set screw H for fixing the holding member F to the housing body B must be further removed, and the holding member F must be taken out of the housing body B.

After maintenance, the holding member F is housed in the housing body B, and the holding member F is fixed in the housing body B by screwing, and then further screwed to close the housing cover C. I had to. Therefore, when performing maintenance work, an operation of removing a screw to remove the housing cover C and an operation of removing a screw to remove the holding member F are required.
It took time and effort to remove and install the lamp and the like.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a lamp housing which can easily take out and mount a lamp or the like in a lamp housing and can easily perform maintenance. .

[0007]

According to a first aspect of the present invention, a lamp housing for storing a light source of an exposure apparatus includes a housing body having a light source storage port, and a housing body having a light source storage port. A housing cover for opening and closing the storage opening, wherein the housing cover can be screwed to the housing body with a set screw, and the housing body and the housing cover have a holding portion for holding a light source holding member. When the housing cover is formed and screwed to the housing body, the holding member is held between the holding portion of the housing body and the holding portion of the housing cover, and the holding member is fixed to the lamp housing. did.

According to the second aspect of the invention, the positioning means for positioning the holding member to the housing body is provided between the housing body and the holding member.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 6 schematically shows a photographic processing machine to which the present invention is applied. The photographic processing machine is basically an exposure apparatus for printing a film image on a cut photographic paper. 1a, a developing device 1b for developing the photographic paper exposed by the exposing device 1a, a drying device 1c for drying the developed photographic paper, and a supply for cutting and supplying the photographic paper It has a known structure including the device 1d.

The exposure apparatus 1a is, as known,
A lamp housing 2 is provided on a body 10. As shown in FIG. 1, a halogen lamp 3 as a light source and a filter case 4 containing a dimming filter and the like are housed in the lamp housing 2. The lamp housing 2
Has a housing body 5 and a housing cover 6, and the housing body 5 has the halogen lamp 3.
And a storage port 51 having a size capable of storing the filter case 4 and the housing cover 6.
Thus, the storage opening 51 of the housing body 5 is opened and closed. When the storage port 51 is closed by the housing cover 6, the housing cover 6 is screwed to the housing main body 5 with a set screw 7 so as to be fixed.

The halogen lamp 3 and the filter case 4 are held by screws or the like on a holding member 8 shown in FIGS. 4 and 5, and the holding member 8 to which the halogen lamp 3 and the filter case 4 are attached is attached to the housing. The halogen lamp 3 and the filter case 4 are housed and fixed in the lamp housing 2 by storing the housing 5 in the housing main body 5 through the storage opening 51 and closing the storage opening 51 of the housing main body 5 with the housing cover 6. Like that.

Next, a configuration for accommodating and fixing the holding member 8 in the lamp housing 2 will be described. Nipping portions 91 and 92 for holding the holding member 8 are formed in the housing body 5 and the housing cover 6, and when the housing cover 6 is screwed to the housing body 5, the holding member 8 is attached to the housing 5. Nipping part 9 of main body 5
1 and the holding portion 92 of the housing cover 6 to fix the holding member 8 to the lamp housing 2.

More specifically, as shown in FIGS. 1, 2 and 3, the storage port 51 is continuous with the inner surfaces of the side walls 52, 52 of the housing main body 5 and extends from the bottom inside the housing main body 5.
A pair of rib-shaped fixing portions 53, 53 rising up to the upper end are formed by integral molding. The upper surfaces of the fixing portions 53, 53 are formed flat, and screw fixing portions 54, 53 for tightening and fixing set screws are formed. A holding portion 9 for receiving the holding member 8 and holding the holding member 8 with the housing cover 6
Form one.

The housing cover 6 is provided with screw insertion cylinders 61, 61 having screw insertion holes at positions facing the screw fixing portions 54, 54 of the housing body 5, and each screw Around the insertion tubes 61, 61,
A pair of arc-shaped projections are formed so as to surround the screw insertion tube 61, and holding portions 92, 92 for holding the holding member 8.
Are formed respectively.

As shown in FIGS. 4 and 5, the holding member 8 extends horizontally above both ends of the holding member 8 and at both ends in the longitudinal direction.
The holding portions 93, 93 formed on the holding portions 91 formed on the housing covers 6 are pressed against the holding portions 92, 92 formed on the housing cover 6, and the holding portions 93, 93 are formed. The screw 54 of the housing body 5
And a screw insertion hole 81 through which the set screw 7 is inserted.

Further, between the housing main body 5 and the holding member 8, a positioning means for positioning a fixing position of the holding member 8 to the housing main body 5 is provided. As shown in FIGS. 4 and 5, this positioning means forms grooves 82, 82 which are opened downward at the ends of the held portions 93, 93 of the holding member 8, and also, as shown in FIGS. As shown in FIG. 3, the housing main body 5 is located above the fixing portions 53 of the housing main body 5.
Near the side walls 52, 52 of the holding member 8
2 is formed by forming engaging portions 55 and 55 that engage with the second member 2.

As shown in FIGS. 1 and 3, this positioning means is also provided at the bottom of the housing body 5, and near the bottom of each of the fixing portions 53 of the housing body 5, a holding member 8 is provided. Is formed by forming groove-shaped receiving portions 56, 56 for receiving the lower portion of the holding member 8 and restricting the movement of the holding member 8. As described above, when the holding member 8 to which the halogen lamp 3 and the filter case 4 are attached is stored in the housing body 5, the holding member 8
The groove portions 82 of the housing body 5
The holding member 8 is engaged with the engaging portions 55 of the fixing members 53, and the lower portions of the holding member 8 are received by receiving portions 56, 56 formed below the fixing portions 53, 53.
Is fixed to the housing body 5, and the held portions 93 of the holding member 8 are opposed to the holding portions 91 formed on the fixed portions 53 of the housing body 5.

Then, the storage opening 51 of the housing main body 5 is closed by the housing cover 6, and each screw insertion cylinder 61 of the housing cover 6 is connected to the holding member 8.
Are mounted on the housing cover 6 so as to face the screw insertion holes 81, 81, and are screwed with the set screws 7. With this screwing, the holding member 8 is fastened to the housing cover 6 and the housing body 5 together,
When the holding portions 91, 92 are pressed against the holding portion 93, the holding portions 93, 93 of the holding member 8 are held by the holding portions 92, 92 of the housing cover 6 and the holding portions 91, 91 of the housing body 5. Thus, the holding member 8 is accommodated and fixed in the lamp housing 2.

[0019]

According to the first aspect of the present invention, a lamp housing for storing a light source of an exposure apparatus has a housing main body having a storage opening for a light source and a housing cover for opening and closing the storage opening of the housing main body. Then, the housing cover can be screwed to the housing body with a set screw, and a holding portion for holding the light source holding member is formed on the housing body and the housing cover, and the housing cover is attached to the housing body. When the screw is screwed, the holding member is held between the holding portion of the housing body and the holding portion of the housing cover, and the holding member is fixed to the lamp housing. The holding member for holding the light source can be fixed in the lamp housing simply by performing the stop, and It is possible to take out the light source by simply removing the locking screw of Ngukaba, maintenance such as replacement of the lamp as a light source can be easily.

According to the second aspect of the present invention, since the positioning means for positioning the fixing position of the holding member to the housing main body is provided between the housing body and the holding member, It can always be fixed in place in the housing body.

[Brief description of the drawings]

FIG. 1 is a sectional view of a lamp housing of an exposure apparatus according to the present invention.

FIG. 2 is a sectional view taken along the line AA of the lamp housing of FIG. 1;

FIG. 3 is a sectional view of a housing body of the lamp housing according to the present invention.

FIG. 4 is a side view of a holding member stored in the lamp housing according to the present invention.

FIG. 5 is a front view of the holding member shown in FIG. 4;

FIG. 6 is a schematic diagram of a photo processor equipped with a lamp housing according to the present invention.

FIG. 7 is a sectional view of a conventional lamp housing.

FIG. 8 is a sectional view of a conventional lamp housing.

[Explanation of symbols]

 2 Lamp housing 5 Housing main body 51 Storage port 6 Housing cover 7 Set screw 8 Holding member 91, 92 Holding portion

Claims (2)

[Claims] 1. A lamp housing for storing a light source of an exposure apparatus, comprising: a housing body having a storage opening for the light source;
A housing cover that opens and closes a storage opening of the housing body, the housing cover can be screwed to the housing body with a set screw, and a holding member for a light source is sandwiched between the housing body and the housing cover. When the housing cover is screwed to the housing body by forming a holding portion, the holding member is held between the holding portion of the housing body and the holding portion of the housing cover, and the holding member is fixed to the lamp housing. A lamp housing for an exposure apparatus. 2. A lamp housing for an exposure apparatus according to claim 1, further comprising positioning means for positioning a holding position of said holding member to said housing body between said housing body and said holding member.