JPH07320508A - Lighting appliance for underwater lamp - Google Patents

Abstract

PURPOSE:To simply surely fix and replace an underwater lamp by specifically constituting an underwater lamp protecting device in a specified underwater lamp lighting appliance. CONSTITUTION:An underwater lamp lighting appliance 1 contains a lighting appliance case main body 10 which houses a base part 42 and a base 43 of a bulb 41 with the bulb 41 projected upward, a lamp base holder 19 which is held in a cylindrical cavity 11 of the main body 10, a power source terminal 22 arranged in the bottom of the holder 19, a power source cord 23 which connects the power source terminal 22 to an outside power source and watertightly passes through the lower part of the main body 10, a circular elastic member 14 which watertightly fixes the base part 42 and arranged in a ledge 15 in the upper circumferential edge of the main body 10, and an underwater lamp protecting device 30. The underwater lamp protecting device 31 is fixed to the upper part of a circular plate member 31 having the inner diameter larger than the outer diameter of the underwater lamp bulb 41 so as to enclose the underwater lamp and also removably fixed at the upper edge of the main body 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underwater lamp lamp, and more particularly to an underwater lamp lamp capable of easily and securely attaching and replacing an underwater lamp.

[0002]

2. Description of the Related Art Underwater lamps such as halogen underwater lamps and metal halide underwater lamps are used as fish collecting lamps used underwater and underwater working lamps. A lamp having a structure as shown in is used.

That is, FIG. 4 is a sectional view showing a state in which a metal halide lamp underwater lamp is attached to a conventional underwater lamp lamp. The underwater lamp lamp 71 has a cylindrical cavity 72, a base 73 and a cavity. The lamp case main body 75 having the front end flange portion 74 on the opening surface side of the portion 72, the lamp base holder 76, the annular elastic member 77, the pressing member 78, and the lamp base holder 76.
Power cord 79 connected to the power terminal 79 of the lamp case main body 75 and penetrating the base 73 of the lamp case main body 75, and the underwater lamp protector 81 attached to the tip flange 74 of the lamp case main body 75. There is.

The hollow portion 72 has a size capable of accommodating the base portion 92 and the base 93 of the bulb portion 91 of the underwater lamp 90 of the metal halide lamp having a screw-type base. The lamp base holder 76 has a groove 82 axially formed on the inner surface of the lamp case body 75.
It is provided so as not to rotate in the circumferential direction by a locking member 83 fitted inside. The opening end of the cavity 72 is formed at the tip flange 74 of the lamp case main body 75 so as to have a diameter larger than that of the inside thereof to form a shelf 84. The shelf 84 has a washer 85A and an O-ring. 86, the annular elastic member 77 and the washer 85B are fitted. Underwater light 90
When attached to the underwater lamp 71, the annular elastic member 77
Is the surface of the bulge portion 94 provided on the base portion 92 of the bulb portion 91 of the underwater lamp 90 and the tip flange portion 74 of the lamp case body 75.
By interposing the pressing member 78 with the bolt 87 and compressing the annular elastic member 77 in the direction of the base portion 73 of the lamp case body 75, the annular elastic member 77 is deformed and the tube is interposed. The surface of the bulging portion 94 of the spherical portion 91 and the inner surface of the tip flange portion 74 are in close contact with each other, and the space between both surfaces is made watertight. Further, a space between the power cord 80 and the base portion 73 is watertight by the packing 88 and the fastening member 89.

An underwater lamp 90 is attached to the underwater lamp lamp 71 shown in FIG.
The procedure for attaching is as follows. The washer 85A, the O-ring 86, the annular elastic member 77 and the washer 85B are put in advance on the shelf 84 of the lamp case main body 75, the pressing member 78 is fitted on the shelf 84, the bolt 87 is lightly tightened, and the underwater lamp protector 81 Insert the underwater lamp 90 into the underwater lamp protector 81 from above, and attach the base 93 of the underwater lamp 90 to the lamp base holder 76.
After firmly screwing it in and pushing it all the way in, tighten the bolt 87 sufficiently. By doing so, the annular elastic member 77 is compressed and deformed, and the annular elastic member 77 and O
The ring 86 and the underwater lamp 90 are fixedly held in a watertight state.
The procedure for replacing the underwater light 90 is as follows: loosen the bolt 87 to release the compression of the annular elastic member 77, remove the underwater light 90, and take it out from above the underwater light protection device 81. And is attached to the underwater lamp 71.

As described above, the attachment of the underwater lamp 90 to the underwater lamp lamp 71 and the underwater lamp 90 from the underwater lamp lamp 71.
When removing the underwater light 90
The underwater lamp 90 in the underwater lamp protector 81 for inserting the cap 93 into and removing it from the underwater lamp protector 81, and for screwing the base 93 into the lamp base holder 76 and for removing it from the lamp base holder 76. The operation of rotating the underwater lamp 90 in the underwater lamp protection device 81 accompanied by the turning operation is a difficult and time-consuming operation because the underwater light protection device 81 interferes. In order to facilitate the turning operation of the underwater light 90, the underwater light protector 81 can be removed from the lamp case main body 75 when the underwater light 90 is attached and replaced, but in that case, the underwater light protector is provided. It takes a long time to remove and attach 81.

The underwater light 90 is generally replaced on board, and it is required that the underwater light 90 can be easily replaced in the shortest possible time.

[0008]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an underwater lamp which can easily and reliably carry out the installation and replacement of the underwater lamp in a short time.

[0009]

According to the present invention, there is provided a cylindrical hollow portion for accommodating a base portion of a bulb portion of an underwater lamp and a base in a state where the bulb portion of the underwater lamp is projected upward. A lamp case main body having the lamp cap holder, a lamp cap holder accommodated and held in a cylindrical cavity of the lamp case main body, a power supply terminal provided on the bottom surface of the lamp cap holder, and a watertightly penetrating lower part of the lamp case main body. A power cord for electrically connecting the power terminal to an external power source, and an annular shape for water-tightly fixing and holding the base of the underwater lamp bulb provided on the shelf at the upper inner peripheral edge of the lamp case body. An underwater light lamp including an elastic member and an underwater light protector, wherein the underwater light protector has a protective member above an annular plate member having an inner diameter larger than an outer diameter of a bulb portion of the underwater light. Fixed in an arrangement surrounding the lamp case, and the lamp case book In water lamp lighting device characterized by comprising it has been configured to be able to the upper end of detachably fixed.

The present invention also provides a lamp case main body having a cylindrical hollow portion for accommodating a base portion of the underwater lamp bulb portion and a base in a state where the underwater lamp bulb portion is projected upward, A lamp base holder housed and held in a cylindrical cavity of the lamp case body, a power supply terminal provided on the bottom surface of the lamp base holder, and a power supply terminal penetrating the lower part of the lamp case body in a watertight state. A power cord for electrically connecting an external power source with an external power source, an annular elastic member for watertightly fixing and holding a base of an underwater lamp bulb portion provided on a shelf portion at an upper inner peripheral edge of the lamp case body, and underwater An underwater light fixture including a light protector, wherein the underwater light protector is fixed in an arrangement in which the protective member surrounds the underwater light above an annular plate member having an inner diameter larger than the outer diameter of the bulb portion of the underwater light. The lamp is attached to the lower inner peripheral edge of the annular plate member. A protrusion is provided for inserting into the shelf of the inner peripheral edge of the upper part of the case body to press down the annular elastic member provided on the shelf, and is detachably fixed to the upper end of the lamp case body. The underwater lighting fixture is characterized by being configured.

The preferred embodiments of the present invention are as follows. (1) The lamp case body is composed of a lower body member for accommodating the lamp base holder and an annular upper body member for accommodating the annular elastic member, and both members are fixed in a watertight state. The underwater light fixture according to claim 1.

First, the underwater lamp of the present invention will be described in detail with reference to FIG. FIG. 1 is a sectional view showing a state in which an underwater lamp of a metal halide lamp is attached to one embodiment of the underwater lamp lamp of the present invention, FIG. 2 is a sectional view taken along line AA of FIG. 1, and FIG. It is a principal part enlarged view of 1.

1 to 3, the underwater lamp lamp 1 comprises a lamp case body 10 and an underwater lamp protector 30. The lamp case body 10 includes a cylindrical cavity portion 11 and a base portion 12.
A lower body member 13 having a ring, and an annular elastic member 14 inside
And a ring-shaped main body upper member 16 on which a shelf portion 15 for forming a main body is formed are fixed by bolts 18 with an O-ring 17 interposed therebetween. The main body lower member 13 and the main body upper member 16 are underwater lights. A cylindrical cavity for accommodating the base portion 42 of the tube portion 41 of 40 and the mouthpiece 43 is formed.

Inside the lower body member 13, a lamp cap holder 19 is rotated in the circumferential direction by a locking member 21 fitted in a groove 20 formed in the inner surface of the lower body member 13 in the axial direction. It is provided so as not to move.

The power cord 23 connected to the power terminal 22 of the lamp cap holder 19 penetrates the base portion 12 and extends to the outside, and the gap between the power cord 23 and the base portion 12 is
The packing 24 and the tightening member 25 are in a watertight state.

The shelf portion 15 is provided with an annular elastic member 14, which is formed on the base portion 42 of the bulb portion 41 when the screw-in base 43 of the underwater lamp 40 is firmly screwed into the lamp base holder 19. The annular elastic member 1 is formed so that the bulging portion 44 that is in contact with the inner peripheral surface of the annular elastic member 14 is substantially in contact with the inner peripheral surface.
The size of 4 and the position of the shelf 15 are defined. Further, in the hollow portion 11, a heat shield cylinder 26 for shielding heat and ultraviolet rays so as to surround the base portion 42 of the tube portion 41.
Is provided.

The underwater lamp protector 30 comprises an annular plate member 31, a protective member 32, and an upper end support member 33. The annular plate member 31 has an inner diameter larger than the outer diameter of the bulb portion 41 of the underwater lamp 40. A protection member 32, the upper end of which is supported by an upper end support member 33, is fixed to the upper side of the plate member 31 by screwing in a position surrounding the underwater light 40.
Further, on the lower inner peripheral edge of the annular plate member 31, there is provided a projection portion 34 which is fitted into the shelf portion 15 of the upper body member 16 of the lamp case body 10 and presses the annular elastic member 14 via the washer 27. ing. The annular plate member 31 can be fixed to the upper end of the main body upper member 16 with the bolt 35.

The underwater light lamp according to the present invention has a structure different from that of the conventional underwater light lamp in that the protective member for protecting the underwater light is not directly attached to the lamp case body. Others have the same structure as the conventional underwater lamp. Therefore, the underwater lamp of the present invention can be manufactured in the same shape using the same material as the conventional underwater lamp.

For example, the upper body member 16 and the lower body member 13 of the lamp case body 10 are arbitrary used in the lamp case body of a conventional underwater lamp such as metal, plastics, and filled plastics. May be made from any of the above materials. Since the underwater lamp of the present invention is used by being submerged in water, it requires a certain weight. For example, the main body upper member 16 is made of metal such as brass and has a more complicated shape. The lower body member 13 is preferably made of glass powder-containing plastics. Further, the lamp case main body 10 may be manufactured by integrating the main body upper member and the main body lower member. Further, fins may be provided on the outer peripheral surface of the main body lower member 13 to facilitate the dissipation of heat generated from the underwater lamp.

In the underwater lamp 1 shown in FIG. 1, a conventional underwater lamp 71 shown in FIG. 4 is provided between the lower end of the annular elastic member 14 and the bulge 44 of the underwater lamp 40. No O-ring 85 is provided so as to open. Also in the underwater light lamp of the present invention, an O-ring may be provided between the lower end of the annular elastic member 14 and the lower side of the bulge portion 44 of the underwater light 40 as in the conventional underwater light lamp. Even if this O-ring is not provided, the elastic force of the annular elastic member 14 (for example, heat-resistant fluorine-based rubber, silicone rubber, etc.) can perform a sufficiently watertight function. The annular elastic member 14 may have a structure in which a shelf (annular protrusion) is formed inside by making the inner diameter of the lower portion smaller than the inner diameter of the upper portion. The bulging portion 44 of the underwater lamp 40 is supported by the shelf portion of the annular elastic member 14, and it is possible to effectively prevent the underwater lamp 40 from being pushed into the hollow portion 11 of the lamp case body 10 when the water pressure is high. A washer (not shown) may be laid on the lower side of the annular elastic member 14.

Furthermore, the protective member 3 of the underwater lamp protector 30.
2, between the annular plate member 31 and the upper end support member 33,
One or more support members for supporting the protection member 32 may be provided as needed. Further, an appropriate weight (not shown) may be attached to the underwater light protector 30. Further, FIG. 2 shows a mode in which four protective members 32 and four bolts 35 are provided, but these are not limited to this mode, and each may be an appropriate number of two or more. .

Next, with reference to FIGS. 1 to 3, a method of attaching an underwater lamp to the underwater lamp according to the present invention and an effect of the underwater lamp according to the present invention will be described.

First, the annular elastic member 14 and the washer 27 are fitted to the shelf 15 at the upper end of the lamp case main body 10 with the underwater lamp protector 30 removed. Next, the base 43 of the underwater lamp 40 is firmly screwed into the lamp base holder 19 and pushed all the way in. Next, the underwater lamp protector 30 is passed through the underwater lamp 40 with the annular plate member 31 facing downward, and the protrusion 34 of the annular plate member 31 is inserted into the shelf 1 of the upper body member 16.
5 and then tighten the bolt 35 to tighten the annular plate member 3
1 is fixed to the upper end of the upper body member 16. At this time, the annular elastic member 14 is compressed downward (toward the base 12 of the lamp case body 10) at the tip (lower end) of the protrusion 34. The annular elastic member 14 is provided on the bottom surface and side surfaces of the shelf 15 and the protrusion 34
It is compressed at the tip of the tube and is deformed so as to bulge inward, and is brought into close contact with the surface of the bulging portion 44 of the tube portion 41 to prevent water from entering the cavity 11 from the outside.

When removing the underwater lamp 40 for replacement, the bolt 35 is loosened to remove the annular plate member 31 from the upper end of the upper body member 16 and the underwater light protector 30 is pulled out, in the reverse order of the above procedure. Turn the underwater light 40 to turn the lamp case body 1
Remove from 0.

As is apparent from the above description, the underwater light 4
Since the underwater lamp protector 30 is not attached to the lamp case body 10 when the 0 is attached to the lamp case body 10 and is removed from the lamp case body 10,
The underwater light protector 30 does not get in the way of handling
The work of attaching the underwater lamp 40 to the lamp case body 10 and the operation of removing it from the lamp case body 10 can be performed extremely easily and quickly. Since it is possible to simultaneously attach the underwater lamp protector 30 to the lamp case body 10 and form the watertight structure by compressing the annular elastic member 14 in the shelf portion 15, it is possible to replace the underwater lamp 40 with time. Can be extremely shortened as compared with the case of using a conventional underwater lamp.

The underwater lamp attached to the underwater lamp of the present invention is not particularly limited, and examples thereof include a metal halide underwater lamp and a halogen underwater lamp.

In the underwater lamp of the present invention described with reference to FIGS. 1 to 3, the annular plate member 31 has a function of fixing the protective member 32 to the lamp case body 10, and the annular elastic member 1.
It has both the function of pressing and compressing 4 to fix and hold the underwater lamp bulb in a watertight manner.

However, in the underwater lamp of the present invention, the fixing of the protective member and the pressing of the annular elastic member may be performed by different members. That is, the underwater lamp lighting device of the present invention has, as another aspect, an underwater lamp protecting device in which the protecting member surrounds the underwater lamp above an annular plate member having an inner diameter larger than the outer diameter of the bulb portion of the underwater lamp. It may be configured so that it can be detachably fixed to the upper end of the lamp case main body, and the annular plate member is provided on the underwater lamp lamp shown in FIG. 4 as necessary. Similar to the above, a structure may be provided in which a pressing member for pressing and compressing the annular elastic member to fix and hold the underwater lamp bulb in a watertight manner is provided. Even if the underwater lamp protector is used in this mode, the attachment of the underwater lamp to the underwater lamp lamp can be performed in the same manner as described for the underwater lamp lamp shown in FIG. 1, and the same operational effect can be obtained. it can. The underwater lamp lighting device of the present invention in this aspect has the same structure as the underwater lamp lighting device shown in FIG. 1 except that the structure of the underwater lamp protection device is partially different.

[0029]

INDUSTRIAL APPLICABILITY The underwater lamp lamp according to the present invention is remarkable in that it is possible to easily and surely carry out the installation and replacement work of the underwater lamp in a short time and to surely make the inside a watertight structure. It is effective.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a state in which an underwater lamp of a metal halide lamp is attached to an embodiment of the underwater lamp lamp according to the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is an enlarged view of a main part of FIG.

FIG. 4 is a cross-sectional view showing a state in which a metal halide underwater lamp is attached to a conventional underwater lamp lamp.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Underwater light lamp 10 Lamp case main body 11 Hollow part 12 Base part 13 Main body lower member 14 Annular elastic member 15 Shelf part 16 Main body upper member 17 O ring 18 Bolt 19 Lamp base holder 20 Groove 21 Locking member 22 Power terminal 23 Power cord 24 Packing 25 Tightening member 26 Heat shield cylinder 27 Washer 30 Underwater light protector 31 Annular plate member 32 Protective member 33 Upper end support member 34 Projection portion 35 Bolt 40 Underwater light 41 Tube ball portion 42 Base portion 43 Base 44 Swelling portion 71 Underwater Lamps for lamps 72 Cavities 73 Bases 74 Tip flanges 75 Lamp case bodies 76 Lamp base holders 77 Ring elastic members 78 Holding members 79 Power terminals 80 Power cords 81 Underwater lamp protectors 82 Grooves 83 Locking members 84 Shelf 85 Washers 86 O-ring 87 Bolt 88 Packing 89 Tightening Attaching member 90 Underwater light 91 Tube part 92 Base part 93 Base 94 Swelling part

Claims (2)

[Claims] 1. A lamp case main body having a cylindrical hollow portion for accommodating a base portion of a bulb portion of the underwater lamp and a base in a state where the bulb portion of the underwater lamp is projected upward, and the lamp case. A lamp base holder housed and held in a cylindrical cavity of the main body, a power supply terminal provided on the bottom surface of the lamp base holder,
A power cord electrically connected between the power supply terminal and an external power source, which is provided in a lower portion of the lamp case body in a watertight state, and an underwater lamp tube provided on a shelf portion at an upper inner peripheral edge of the lamp case body. An underwater light lamp including an annular elastic member for fixing and holding a base portion of a bulb portion in a watertight manner, and an underwater lamp protector, wherein the underwater lamp protector is larger than an outer diameter of a bulb portion of the underwater lamp. A protective member is fixed to an upper side of an annular plate member having an inner diameter so as to surround the underwater lamp, and is configured to be detachably fixed to an upper end of the lamp case body. Lighting equipment. 2. A lamp case main body having a cylindrical hollow portion for accommodating a base portion of a bulb portion of the underwater lamp and a base in a state where the bulb portion of the underwater lamp is projected upward, and the lamp case. A lamp base holder housed and held in a cylindrical cavity of the main body, a power supply terminal provided on the bottom surface of the lamp base holder,
A power cord electrically connected between the power supply terminal and an external power source, which is provided in a lower portion of the lamp case body in a watertight state, and an underwater lamp tube provided on a shelf portion at an upper inner peripheral edge of the lamp case body. An underwater light lamp including an annular elastic member for fixing and holding a base portion of a bulb portion in a watertight manner, and an underwater lamp protector, wherein the underwater lamp protector is larger than an outer diameter of a bulb portion of the underwater lamp. A protection member is fixed to an upper side of an annular plate member having an inner diameter in a position surrounding the underwater lamp, and a lower inner peripheral edge of the annular plate member is fitted into a shelf portion of an upper inner peripheral edge of the lamp case body to form a shelf portion. An underwater lamp lamp comprising a projection for pressing the provided annular elastic member and being detachably fixed to the upper end of the lamp case body.