JP2010009986A - Underwater light - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an underwater light capable of being used in underwater work or the like in which a leakage and breakage due to water entry are avoided with a simple structure and a manufacturing cost is held down by reducing the number of components. <P>SOLUTION: The underwater light 1 is composed roughly of a filament 11, a stem 14 connected with an anchor 12 supporting the filament 11, a stem sealing part 17 with which the stem is connected, and a mold part 18 surrounding the stem sealing part 17 together with a lower part of a glass bulb 10. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to underwater illumination that can be used for an underwater work lamp or the like.

  Conventionally, when working under the ship's bottom when a ship is in the dock at a ship repair dock, etc., a flashlight used by an operator by hand is generally used as underwater lighting for underwater work. Met. On the other hand, lamps are also installed in park ponds and fountains.

  However, in the case of the above lamp, when the bulb breaks underwater, all the water in the pond is drained and the bulb is replaced. Therefore, there is a water bill at that time, and it takes time to drain and inject water. There was a problem of hanging.

  On the other hand, in recent years, a lamp that is inserted into a socket in a lamp house is suspended underwater with a cable and used as an underwater work lamp. An example of such underwater illumination is disclosed in Patent Document 1.

The underwater illumination disclosed in Patent Document 1 indicates a light emitter that houses a light emitting unit, a packing that fits the neck of the light emitting device, and indicates the neck of the light emitting device through internal stress of the packing. It is configured. The base of the light emitter is inserted into a socket provided in the lamp house 2. According to such underwater illumination disclosed in Patent Document 1, the packing adheres to the lamp surface due to internal stress acting on the packing even if the accuracy of the external dimensions of the lamp is relatively low. Can keep watertight.
Japanese Patent Publication No. 63-32201

  However, the underwater illumination disclosed in Patent Document 1 described above has a complicated structure, such as inserting a base into a socket, and may be submerged from the insertion portion, possibly causing leakage or damage. At the same time, there is a problem that the manufacturing cost is increased due to the large number of parts.

  Therefore, the present invention solves the above-described problems, and provides underwater lighting that can prevent leakage and damage due to flooding and reduce the number of parts and reduce manufacturing costs with a simple configuration. The purpose is to do.

  In order to solve the above-described problems, the present invention provides a light emitting part that emits light by electricity, a translucent container part in which the light emitting part is accommodated, a stem connected to an anchor having the light emitting part, and a stem. The stem sealing part provided in succession and the mold sealing part surrounding the stem sealing part together with the lower part of the container part in a watertight manner.

  In the above invention, the weight part having a weight that does not lift due to the buoyancy of the container part, the locking part protruding from the upper surface of the weight part, forming an inverted L shape, and disposed on the open end side of the locking part. And a contact portion 21 arranged so as to press down the container portion from above, and the mold portion is preferably fixed to the locking portion by a fastening means.

  In the above invention, it is preferable to further include a weight portion having a weight that does not lift due to the buoyancy of the container portion, and a connecting member that connects the mold portion and the weight portion.

  According to the present invention, in underwater illumination that can be used for an underwater work lamp or the like, with a simple configuration, it is possible to avoid leakage and damage due to water immersion, and to reduce the number of parts, thereby reducing manufacturing costs.

  In particular, according to the present invention, since the light bulb is completely waterproof, it is possible to replace the light bulb only by pulling it up with an electric wire. It can be carried out.

(First embodiment)
Embodiments of underwater illumination according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a conceptual diagram showing the overall configuration of underwater illumination according to the present embodiment. In the present embodiment, the underwater illumination 1 is an underwater light emitting device in which a filament 11 as a light emitting unit is accommodated in a glass container 10, and the light emitting unit is a halogen lamp.

  As shown in FIG. 1, the underwater illumination 1 includes a filament 11, a stem 14 connected to an anchor 12 that supports the filament 11, a stem sealing portion 17 to which the stem 14 is connected, and the stem seal. The stopper portion 17 is roughly constituted by a mold portion 18 that surrounds the lower portion of the glass container 10 together.

  The mold part 18 is formed of a resin material and seals the neck of the glass container 10 in a watertight manner. As the resin forming the mold portion 18, one-component or two-component silicon RTV rubber such as oxime, acetone, alcohol, or the like can be used. An electric wire 19 connected to the electric wire introduction line 13 from the filament 11 is passed through the mold portion 18. The mold portion 18 is fixed to the engaging portion 20 of the fixing base 2 by a fastening means 40 such as a wire as shown in FIG.

  In the fixed base 2, an engaging portion 20 protrudes from a weight portion 24 made of concrete or the like. The engaging portion 20 has an inverted L shape, and is fixed to the weight portion 24 via an iron plate 22 on the fixed end side of the inverted L shape. The iron plate 22 is stuck and fixed to the weight portion 24 by a screw portion 23. And the engaging part 20 is comprised so that the said light guide part may be pressed down from the upper side by the contact part 21 by the side of the open end of a reverse L-shape while the said mold part 18 is engaged. .

  The iron plate 22 is attached with a ring-shaped tightening portion 22a through which the cap tire 31 is fastened to the weight portion 24. Thereby, when pulling up the cap tire 31 and raising the underwater lighting on the water, it is possible to avoid the tension on the cap tire 31 from directly acting on the mold portion 18 and to prevent the mold portion 18 and the electric wire 19 from being damaged. can do.

The underwater illumination having the above configuration can be manufactured by the following procedure.
First, remove the bulb cap. At this time, care is taken not to damage the exhaust pipe 16 communicating with the exhaust port 15. Next, the outer cap tire 31 and the electric wire 19 on the light bulb side are connected. This connection can be made by soldering.

  Thereafter, the wax and oil applied to the electric wire 19 and the cover portion 10a of the light bulb are removed by wiping with thinner, gasoline or the like to enhance the adhesion to silicon. Thereafter, the mold portion 18 is formed by filling silicon from the cover portion to the opening portion of the bulb neck. The thickness of this mold is about 3 to 4 mm, for example.

  As shown in FIG. 3, the underwater illumination according to the first embodiment can be easily installed in the water of a narrow space 30 that performs underwater work, such as a ship repair dock. Specifically, the cap tire 31 is connected to the electric wire 19. The cap tire 31 is an electric cable having a thick rubber garment for construction, and has a length that can reach the water from the installation location on the bottom surface of the repair dock. In addition, an earth leakage breaker is connected to the cap tire. Moreover, as a power supply to which this cap tire 31 is connected, the generator etc. which were mounted in the ship in a dock may be used, for example. Since the generator mounted on this ship has a voltage of about 6V to 12V, there is no risk of death due to electric leakage and it is safe.

  According to the underwater illumination 1 according to the present embodiment as described above, it is possible to freely install a work light for underwater work while preventing the light bulb from floating by simply submerging the fixed base 2 in the water.

(Second Embodiment)
Next, a second embodiment of the present invention will be described. In this embodiment, it replaces with the fixed base 2 in 1st Embodiment mentioned above, The string part 42 as a connection member connected with the weight part 43 is provided, It is characterized by the above-mentioned. FIG. 5 is a conceptual diagram showing the overall configuration of underwater illumination according to the present embodiment. Also in the present embodiment, as in the first embodiment, the underwater illumination 1 is an underwater light emitter in which a light emitting unit is housed in a glass container, and is, for example, a halogen lamp.

  Also in the second embodiment, in the underwater illumination 1, as in the first embodiment described above, the filament 11, the stem 14 connected to the anchor 12 supporting the filament 11, and the stem 14 are connected. Stem sealing portion 17 and a mold portion 18 that surrounds the stem sealing portion 17 together with the lower portion of the glass container 10.

  The mold part 18 is formed of a resin material and seals the neck of the glass container 10 in a watertight manner. An electric wire 19 connected to the electric wire introduction line 13 from the filament 11 is passed through the mold portion 18.

  In this embodiment, a fastening means 41 is bound to the mold part 18, and a string part 42 as a connecting member is connected to the fastening means 41. The string portion 42 is engaged with the weight portion 43 via the locking portion 43a. The weight portion 43 has a weight that does not lift due to the buoyancy of the lamp. Further, a cabtyre 31 is connected to the electric wire 19, and the cabtyre 31 has a length that can reach the water from the place where the lamp is installed. Furthermore, it is preferable to connect an earth leakage breaker to the cap tire.

  In the present embodiment, the cap tire 31 (the electric wire 19) and the string portion 42 are fastened by a fastening means 43b such as a wire. As a result, when the cap tire 31 is pulled up, the tension of the cap tire 31 is transmitted to the weight portion 43 via the fastening means 43b. Even when the cap tire 31 is pulled up, the tension is transmitted to the electric wire 19 and the mold portion 18. In addition, each part can be avoided from being damaged by the tension.

  According to such underwater illumination according to the second embodiment, as shown in FIG. 4, for example, in addition to the fountain 50 in the park, the inside of the reservoir of the pond can be simply submerged by the weight of the weight portion 43. It can be installed freely. In particular, according to this embodiment, since the light bulb is completely waterproof, for example, the light bulb can be replaced only by pulling up with an electric wire. Can be exchanged.

  In addition, as a modification of the string portion 42 as the connecting member, a wire mesh 43c as shown in FIG. 6 can be used. The wire mesh 43c is a bag that covers the underwater illumination 1, and is connected to the weight portion 43 directly or via the string portion 42 in a state in which the underwater illumination 1 is housed inside. At this time, the cap tire 31 is fastened to the engaging portion 43 a of the weight portion 43 in a state where the cap tire 31 is loosened with a surplus length between the mold portion 18 and the weight portion 43. According to such a wire mesh 43c, it is possible to protect by covering the bulb portion of the underwater illumination 1, and it is possible to prevent the bulb portion from being damaged.

(Example of change)
In the first and second embodiments described above, the light emitting unit is a halogen lamp. However, the present invention is not limited to this, and the present invention can also be applied to a fluorescent lamp 60 as shown in FIG. it can. That is, at both ends of the fluorescent lamp 60, the base is removed, the electric wire is led out, the mold is filled, and the weight portion 24 is fixed by the engaging portion 25. Thereby, it can be easily and freely installed inside the reservoir of the pond, for example, in addition to the fountain of the park, just by being submerged by the weight of the weight portion 24.

It is sectional drawing of the underwater illumination which concerns on 1st Embodiment. It is a side view of the fixed base which concerns on 1st Embodiment. It is explanatory drawing which shows the installation condition of the underwater illumination which concerns on 1st Embodiment. It is explanatory drawing which shows the installation condition of the underwater illumination which concerns on 2nd Embodiment. It is a side view of underwater lighting concerning a 2nd embodiment. It is a side view of the underwater illumination which concerns on the example of a change of a connection member. It is a side view of the underwater illumination which concerns on the example of a change.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Underwater illumination 2 ... Fixing stand 10 ... Glass container 10a ... Cover part 11 ... Filament 12 ... Anchor 13 ... Electric wire introduction line 14 ... Stem 15 ... Exhaust port 16 ... Exhaust pipe 17 ... Stem sealing part 18 ... Mold part 19 ... Electric wires 20, 25 ... engaging portion 21 ... contact portion 22 ... iron plate 22a, 43a ... locking portion 23 ... screw portion 24 ... weight portion 30 ... space 31 ... cap tire 40, 41, 43b ... fastening means 42 ... string portion 43 ... weight part 43c ... wire mesh 50 ... fountain 60 ... fluorescent lamp

Claims (3)

A light emitting part that emits electricity,
A translucent container part in which the light emitting part is stored;
A stem connected to an anchor having the light emitting portion;
A stem sealing portion in which the stem is continuously provided;
An underwater illumination characterized in that the stem sealing part is composed of a mold part that watertightly surrounds the lower part of the container part. A weight portion having a weight that does not lift due to the buoyancy of the container portion;
A locking part protruding from the upper surface of the weight part and having an inverted L shape,
A contact portion 21 disposed on the open end side of the locking portion and arranged to press the container portion from above;
The underwater illumination according to claim 1, wherein the mold part is fixed to the locking part by a fastening means. A weight portion having a weight that does not lift due to the buoyancy of the container portion;
The underwater illumination according to claim 1, further comprising a connecting member that connects the mold part and the weight part.