JP2008003109A - Light emission part structure of flash discharge light emission device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the light emission part of a flash discharge light emission device provided with a holding member capable of attaching a flash discharge tube used in common regardless of the length of the flash discharge tube. <P>SOLUTION: In the light emission part structure of the flash discharge light emission device is provided with two holding members of the same shape formed of an elastic material, one end 22a of the flash discharge tube 22 projected from side faces 21a and 21b of a reflection mirror 21 is fit into a hole part 24a of one holding member and held thereby, the other end 22b is fit into the hole part 25a of the other member 25 and held thereby, furthermore, locking holes of the two holding members 24 and 25 are engaged with locking projection parts 23a and 23b provided on the rear face of an attaching base substance 23, and the reflection mirror 21 and the flash discharge tube 22 are attached to the attaching base body 23. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a light emitting portion structure of a flash discharge light emitter used for photography.

  FIG. 7 is a cross-sectional view of a light emitting unit provided in a flash discharge light emitter shown as a conventional example, and FIG. 8 is a perspective view of the light emitting unit viewed from the back side.

  As can be seen from these drawings, in this light emitting portion, a flash discharge tube 12 is incorporated in a curved metallic reflecting mirror 11, and the reflecting mirror 11 and the flash discharge tube 12 are mounted on a mounting base 13 made of a resin material. It is the structure attached to.

  More specifically, the flash discharge tube 12 is incorporated so that both end portions 12a and 12b project outside the side surfaces 11a and 11b of the reflecting mirror 11, and the both end portions 12a and 12b are provided with rubber. Both end portions 14a and 14b of a holding member (silicon band) 14 made of an elastic material such as are fitted.

  That is, holes 14c and 14d are provided at both end portions 14a and 14b of the holding member 14, and after the one end portion 12a of the flash discharge tube 12 is fitted by the hole portion 14c on one end side, the holding member 14 is attached. Stretching against the elasticity so as to pass through the back side of the mounting base 13, and then fitting the other end portion 12b of the flash discharge tube 12 into the hole portion 14d on the other end side, the reflecting mirror 11 and the flash discharge tube 12 Are fixed to the mounting base 13.

  Thus, the reflecting mirror 11 and the flash discharge tube 12 are attached to the mounting base 13 by the elastic action of the holding member 14, and the flash discharge tube 12 attached as described above is pulled by the tensile force of the holding member 14. It is drawn toward the mounting base 13 and its peripheral surface is in pressure contact with the bottom of the reflecting mirror 11.

  That is, an excitation electrode (nesa coat) is provided in the periphery of the flash discharge tube 12, and this excitation electrode is electrically connected to the metallic reflecting mirror 11, and the flash discharge tube 12 is started to emit light. An excitation voltage is applied via the reflecting mirror 11.

Therefore, as shown in FIG. 9, a trigger line 15 that applies an excitation voltage sent from the trigger circuit to the reflecting mirror 11 is soldered to the reflecting mirror 11.
In addition, circuit lines 16 and 17 connected to the main electrodes 12c and 12d of the flash discharge tube 12 apply the charging voltage of the main capacitor to the flash discharge tube 12.

JP 2001-117149 A

  The light emitting part of the conventional flash discharge light emitter described above has the convenience that the reflecting mirror 11 and the flash discharge tube 12 can be attached by a single holding member 14, but the length of the holding member 14 is long. Therefore, the holding member 14 corresponding to the length of each flash discharge tube 12 is required.

  That is, if the length of the flash discharge tube 12 is changed, the design of the reflecting mirror 11 and the mounting base 13 must be changed in accordance with the length. In addition, the flash discharge tube 12 is also used for the holding member 14 described above. There is a problem that it is necessary to prepare a new one according to the length.

  Therefore, the present invention provides a light emitting part structure of a flash discharge light emitter that allows attachment of a reflecting mirror and a flash discharge tube by a holding member that can be used in common regardless of the length of the flash discharge tube. Objective.

  In order to achieve the above-described object, in the present invention, as a first invention, both ends of the flash discharge tube protrude from the side surface of the reflecting mirror, and the both ends are made of an elastic material that exerts a tensile action on the mounting base side. In the light emitting portion structure of the flash discharge light emitter configured to attach the flash discharge tube and the reflecting mirror to the mounting base in a state where the flash discharge tube is in pressure contact with the bottom of the reflecting mirror, the light emitting portion structure is formed of an elastic material. Two holding members of the same shape are provided, a part of one holding member is fitted to one side end of the flash discharge tube, and a part of the other holding member is fitted to the other side end of the flash discharge tube, A light emitting part structure of a flash discharge light emitter is proposed in which the other part of the two holding members is engaged with the mounting base.

  As a second invention, in the light emitting part structure of the first invention described above, the reflecting mirror is formed of a conductive material, an excitation electrode is provided around the flash discharge tube, and the flash discharge tube is reflected. The excitation electrode is electrically connected to the reflecting mirror by being pressed against the bottom of the mirror, and the excitation voltage is applied as a trigger voltage to the excitation electrode of the flash discharge tube via the reflecting mirror. A light emitting part structure of a flash discharge light emitter characterized by the following is proposed.

  As a third invention, in the light emitting part structure of the first invention described above, a hole for fitting the end of the flash discharge tube and a latch for latching to a latch provided on the back of the mounting base. One holding part and two holding members of the same shape made of an elastic material are provided, and one end of the flash discharge tube is fitted into the hole of one holding member, and the other holding The other end of the flash discharge tube is fitted into the hole of the member, and the respective locking pieces of the two holding members are locked to the locking portions of the mounting base. The structure of the light emitting part of the flash discharge light emitter is proposed.

  As a fourth invention, in the light emitting part structure of the first or third invention described above, the holding member has a fitting projection, and the mounting base has a concave groove into which the fitting projection is fitted. The flash discharge is characterized in that the holding member is locked to the mounting base after the fitting protrusion is inserted into the concave groove and the flash discharge tube and the reflecting mirror are assembled to the mounting base. The light emitting part structure of the light emitter is proposed.

As described above, the present invention provides two holding members formed in the same shape with an elastic material, one end of the flash discharge tube is locked by one holding member, and the flash discharge tube is held by the other holding member. Since the other end is locked and the reflector and the flash discharge tube are attached, it becomes a holding member that can be used regardless of the length of the flash discharge tube, which is advantageous for reducing the production cost of the light emitting portion. It becomes.
In addition, since the two holding members can have the same shape, it is possible to expect a reduction in cost from this point.

Next, an embodiment of a light emitting unit structure according to the present invention will be described with reference to the drawings.
1 is a perspective view of the light emitting unit, FIG. 2 is a cross-sectional view of the light emitting unit, and FIG. 3 is an exploded perspective view of the light emitting unit.

In these drawings, 21 is a reflecting mirror, 22 is a flash discharge tube, 23 is a mounting base, and 24 and 25 are holding members.
The reflecting mirror 21 is made of the same metal material as in the conventional example, and has a curved cross-sectional shape having side surfaces 21a and 21b.
The flash discharge tube 22 is a known flash discharge tube filled with xenon gas.

  The flash discharge tube 22 is inserted into the holes 21c and 21d provided on the side surfaces 21a and 21b of the reflecting mirror 21, is disposed in the reflecting mirror 21, and one of the flash discharge tubes 22 protruded outside the side surface 21a. A holding member 24 is fitted on the end 22a, and a holding member 25 is fitted on the other end 22b of the flash discharge tube 22 protruding outside the side surface 21b.

The mounting base 23 is made of a resin material, and is provided with locking projection members 23a and 23b for locking the holding members 24 and 25 on the back surface, and an electrode plate 26 for supplying an excitation voltage. Is formed with a slit hole.
Further, fitting recesses 23c and 23d into which the holding members 24 and 25 are fitted are formed on both side plates of the mounting base 23 by notches from the front side to the rear side.

The holding members 24 and 25 described above are formed of an elastic material such as rubber (for example, silicon rubber) in the same shape, and only the holding member 25 is shown in FIGS. 4 and 5.
As shown in these drawings, a hole 25a for fitting the end 22b of the flash discharge tube 22 is provided on one side of the holding member 25, and the locking protrusion of the mounting base 23 is provided on the other side. A locking hole 25b for locking to the portion 23b is formed.
On the inner surface side of the holding member 25, a fitting convex portion 25c that is fitted into the fitting concave portion 23d of the mounting base 23 is provided.

  In addition, 27 is a trigger line soldered to the electrode plate 26, 28 and 29 are circuit lines connected by soldering to the main electrodes 22c and 22d of the flash discharge tube 22, and this is a trigger line of the conventional example. -The same as the line 15 and the circuit lines 16 and 17.

  In addition, arc-shaped protrusions 24d provided around the holes 24a and 25a of the holding members 24 and 25 are externally connected to the soldered portions between the main electrodes 22c and 22d of the flash discharge tube 22 and the circuit lines 28 and 29. This is to prevent the parts from coming into contact.

  In the light emitting section having the above-described configuration, first, the flash discharge tube 22 is inserted into the holes 21c and 21d of the reflecting mirror 21, and the end portions 22a and 22b of the flash discharge tube 22 are projected from the side surfaces 21a and 21b.

  As shown in FIG. 3, after the hole 24a of the holding member 24 is fitted to the one end 22a of the flash discharge tube 22 and the hole 25a of the holding member 25 is similarly fitted to the other end 22b. The circuit lines 28 and 29 are soldered to the main electrodes 22c and 22d of the flash discharge tube 22.

  Subsequently, the reflecting mirror 21 and the flash discharge tube 22 are assembled to the mounting base 23 so that the fitting convex portions 24 c and 25 c of the holding members 24 and 25 are fitted into the fitting concave portions 23 c and 23 d of the mounting base 23.

  On the other hand, the electrode plate 26 is inserted into the slit from the back side of the mounting base 23, and the upper and lower plate portions of the electrode plate 26 are pressed against the outer surface of the reflecting mirror 21.

  As described above, in the state where the reflecting mirror 21 and the flash discharge tube 22 are assembled, the engaging hole portions of the holding members 24 and 25 protrude rearward, so as shown in FIG. In addition, the locking hole portions of the holding members 24 and 25 are bent to the back side of the mounting base 23, and the locking holes 24 b and 25 b of the holding members 24 and 25 are hooked on the locking projections 23 a and 23 b of the mounting base 23. Stop.

  In the light emitting portion having the above-described configuration, the flash discharge tube 22 is pressed against the bottom of the reflecting mirror 21 by the tensile force of the holding members 24 and 25, so that the excitation voltage sent from the trigger wire 27 is applied to the electrode plate 26 and the reflecting mirror 21. It is applied to the excitation electrode of the flash discharge tube 22 via

  In particular, the light emitting portion changes the length of the flash discharge tube 22, and the reflecting mirror 21 and the mounting base 23 matched to the length of the flash discharge tube 22 can be used as the locking projections 23 a of the mounting base 23. If the position of 23b is appropriately designed, there is no need to change the holding members 24 and 25, so that the length of the flash discharge tube 22 can be used in common.

  It can be effectively used as a light emitting part of a flash discharge light emitter used for photography.

It is a perspective view which shows the light emission part of the flash discharge light-emitting device which implemented this invention. It is a cross-sectional view of the light emitting unit. It is a disassembled perspective view of the said light emission part. It is a perspective view of the holding member with which the said light emission part was equipped. It is sectional drawing of an above-described holding member. It is the perspective view seen from the back direction of the said light emission part. It is sectional drawing which shows the light emission part of the flash discharge light-emitting device shown as a prior art example. It is the perspective view which looked at the conventional light emission part shown in FIG. 7 from the back direction. It is the perspective view which looked at the reflective mirror of the conventional light emission part shown in FIG. 7 from the back direction.

Explanation of symbols

21 Reflector 22 Flash discharge tube 23 Mounting base 23a, 23b Locking projections 24, 25 Holding member 24a, 25a Holes 24b, 25b Locking hole 26 Electrode plate

Claims (4)

Both ends of the flash discharge tube project outside the side surface of the reflector, and both end portions are provided with holding members made of an elastic material that exerts a tensile action on the mounting base, and the flash discharge tube is pressed against the bottom of the reflector. In the light emitting part structure of the flash discharge emitter configured to attach the flash discharge tube and the reflecting mirror to the mounting base as a state,
Two holding members of the same shape formed from an elastic material are provided,
A part of one holding member is fitted to one side end of the flash discharge tube, a part of the other holding member is fitted to the other side end of the flash discharge tube,
A light emitting part structure of a flash discharge light emitter characterized in that the other part of the two holding members is engaged with a mounting base. In the light emitting unit structure according to claim 1,
The reflector is formed of a conductive material, and an excitation electrode is provided around the flash discharge tube.
The flash discharge tube is configured to electrically connect the excitation electrode to the reflecting mirror by being pressed against the bottom of the reflecting mirror,
A light emitting part structure of a flash discharge light emitter, wherein an excitation voltage is applied as a trigger voltage to the excitation electrode of the flash discharge tube through the reflecting mirror. In the light emitting unit structure according to claim 1,
A hole for fitting an end of the flash discharge tube;
A locking piece for locking to a locking portion provided on the back of the mounting base, and two holding members of the same shape formed of an elastic material,
One end of the flash discharge tube is fitted into the hole of one holding member, and the other end of the flash discharge tube is fitted into the hole of the other holding member,
A light emitting part structure of a flash discharge light emitting device characterized in that each of the two holding members is engaged with the engaging part of the mounting base. In the light emitting unit structure according to claim 1 or 3,
The holding member is provided with a fitting projection, and the mounting base is provided with a concave groove for fitting the fitting projection,
A flash discharge light emitting device characterized in that after the fitting protrusion is inserted into the concave groove and the flash discharge tube and the reflecting mirror are assembled to the mounting base, the holding member is locked to the mounting base. The light emitting part structure.

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