JPH08185701A - Seal section structure for storing substrate of mounted part and lighting system utilizing seal section structure - Google Patents

Abstract

PURPOSE: To facilitate the storage and weight balance of mounted parts arranged in a substrate by bringing the inner periphery of the edge section of a sealing tool into contact with the outer periphery of the opening end section of the substrate, and sealing the opening end section of the substrate. CONSTITUTION: A filler having a sealing property or an adhesive property is stuck into the groove 4c of the sealing tool 4 of a lighting system 1, for example, the inner periphery of an edge section 4b is brought into contact with the outer periphery of the opening end section of a substrate 2, and the end edge of the substrate 2 is coupled with the groove 4c. An adhesive having fluidity and transparency is applied to some gap portions formed between the inner periphery of the edge section 4b and the outer periphery of the opening end section of the substrate 2 as required, and the opening end section of the substrate 2 is sealed. Mounted parts arranged in the substrate 2 can be easily stored, and the weight balance when the mounted parts are stored inside can be easily kept.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a sealing portion in a base for accommodating mounted components such as a circuit board and an illuminating device utilizing the structure of the sealing portion. The present invention relates to a sealing portion structure in a housing base of a device mainly used outdoors, such as a portable charger and a switchboard.

[0002]

2. Description of the Related Art Conventionally, various types of portable lighting devices have been developed and used. Among them, the lighting device using a dry battery has a small amount of light and its performance deteriorates due to long-term storage. However, there is a drawback that it corrodes and adversely affects other devices.
A portable lighting device using a rechargeable battery disclosed in No. 02 is becoming popular.

[0003]

By the way, as shown in FIG. 6, a lighting device 21 of this type has a pair of light bulbs mounted on a box-shaped base 22 for housing mounting components such as a charger and a circuit board. 23.23 is arranged, but the lighting device 21 using the charger as described above tends to be favorably used for night work outdoors because of the large amount of light of the light bulb 23.23. At this time, it is also an important technical problem to have a waterproof structure that can withstand outdoor use.

Further, since the illuminating device 22 having such a structure is relatively heavy, not only the handle 24 is required for carrying, but also the weight balance when the handle 24 is gripped and lifted is sufficient. What is taken is an important technical issue.

[0005]

In view of the above-mentioned circumstances, the present invention provides a box-shaped base body for accommodating mounting components such as a circuit board typified by this type of illuminating device. A cap-shaped sealing tool is formed having a body part and having a base part for closing the opening end part of the base body and an edge part of an appropriate width extended to the peripheral edge of the base part. The inner peripheral surface of the edge portion is brought into contact with the outer peripheral surface of the opening end portion of the base body to seal the opening end portion of the base body, thereby realizing a sealing portion structure in the mounting base for accommodating mounted components with an extremely simple structure. did.

Further, in particular, in a portable lighting device utilizing this structure, since the base body is formed to have a cylindrical body portion, a mounting component such as a circuit board is housed inside the base body. This is advantageous in that it is easy and that the weight balance of the front, rear, left, and right after storage can be easily achieved.

[0007]

SUMMARY OF THE INVENTION A main object of the present invention is to provide a waterproof structure in a box-shaped base body for accommodating general-purpose mounting parts, and by using the waterproof structure, it is convenient to carry and has a waterproof structure. It is an object to provide a lighting device.

[0008]

According to a first aspect of the present invention, in a box-shaped base for accommodating mounting components such as a circuit board, the base is formed to have a cylindrical body, and the opening end of the base is formed. Forming a cap-like sealing member having a base portion for closing the portion and an edge portion of an appropriate width extending on the peripheral edge of the base portion, the inner peripheral surface of the edge portion of the sealing member being the opening end of the base The structure of the lighting device according to claim 2 is configured such that the opening end portion of the base is sealed by contacting the outer peripheral surface of the base, and the base for accommodating mounting components such as a circuit board and the light bulb are arranged on the base. In the installed portable lighting device, the base body is formed to have a tubular body portion, and a base portion that closes the opening end portion of the base body and an edge portion of an appropriate width that is extended to the peripheral edge of the base portion. Forming a cap-like sealing tool having an inner peripheral surface of an edge portion of the sealing tool and an outer peripheral surface of an opening end portion of the base body, A sealed configuration mouth end.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention which has achieved such an object will be described with reference to the drawings of the following embodiments.

FIG. 1 is a schematic front view of an illuminating device of an embodiment of the present invention, FIG. 2 is a schematic side view of an illuminating device of an embodiment of the present invention, and FIG. 3 is an embodiment of the present invention. FIG. 4 is a schematic cross-sectional view of a base and a seal used for the base of the lighting device of FIG. 4, and FIG. 4 shows a state in which the seal is attached to the base used for the base of the lighting of the embodiment of the present invention. It is an outline sectional view,
FIG. 5 is a circuit diagram showing an outline of a lighting circuit of a lighting device according to an embodiment of the present invention, and FIG. 6 is a perspective view of a conventional lighting device.

The present invention can be used as an emergency light at the time of power failure and as a floodlight at night work by arranging a sealing portion structure of a housing base constituting various devices and disposing a light bulb on the base. The present invention relates to a portable lighting device, wherein the housing base according to claim 1 is a box-shaped base for housing mounting components such as a circuit board, and the base is formed to have a cylindrical body portion. Forming a cap-like closure having a base for closing the open end of the base body and an edge of an appropriate width extending around the periphery of the base, and forming an inner peripheral surface of the edge of the closure. 3. The lighting device according to claim 2, wherein the opening end portion of the base body is sealed by contacting the outer peripheral surface of the opening end portion of the base body with each other, which is an embodiment utilizing this sealing portion structure. 1 is
As shown in FIGS. 1 to 3, in a portable lighting device 1 in which a base body 2 for accommodating mounting components such as a circuit board and a light bulb 3 is arranged on the base body 2, the base body 2 is a cylindrical body. And a cap-shaped sealing tool 4 having a base portion 4a for closing the opening end portion of the base body 2 and an edge portion 4b of an appropriate width extended to the peripheral edge of the base portion 4a. The outline is that the inner peripheral surface of the edge portion 4b of the sealing tool 4 is brought into contact with the outer peripheral surface of the opening end portion of the base body 2 to seal the opening end portion of the base body 2.

That is, as shown in FIG. 1, the illuminating device 1 of the embodiment of the present invention has a handle 5 at the central portion on a base 2 made of synthetic resin, metal or the like for housing mounting components such as a circuit board. A plurality of (two in the embodiment) high-intensity light bulbs 3.3, such as high-intensity lamps, are installed upright and sandwiching the handle 5.

Each of the light bulbs 3.3 is rotatable (at least in a horizontal plane), and a spacer (nut) 6 is provided so that the handle 5 and the outer peripheral frame of the peripheral portion of the light bulb 3.3 do not interfere with each other.
It is mounted at a slightly higher position via.

As shown in FIGS. 3 and 4, the base body 2 is formed to have a tubular (square tube-shaped in the embodiment) body having an opening at one end or both ends, A circuit board and a charger (not shown) electrically connected to each of the light bulbs 3.3 are inserted from the opening of the base body 2 and attached in a weight-balanced state. Incidentally, these are mounted by using a resilient spacer by press fitting, in addition to using a screw or the like.

Further, as shown in the figure, the open end of the base 2 is closed by a cap-shaped sealing member 4. The sealing tool 4 includes a base portion 4a having a shape (rectangular shape in the embodiment) that is substantially the same as the cross-sectional shape of the base body 2, and an edge portion 4b having an appropriate width is extended to the peripheral edge of the base portion 4a. , The base 4a and the edge 4
A groove 4c for fitting the edge of the base body 2 is formed between the groove 4c and b.

In the illuminating device 1 of the present invention, for example, a filler (not shown) having a sealing property or an adhesive property is attached to the inside of the groove 4c of the sealing member 4, and the inner peripheral surface of the edge portion 4b. With the groove 4c in contact with the outer peripheral surface of the opening end of the base body 2.
The end edge of the base body 2 is fitted to the outer peripheral surface of the edge portion 4b and the outer peripheral surface of the opening end portion of the base body 2 is fluidized in a slight gap portion, if necessary. The open end of the base 2 is sealed by applying a transparent adhesive.

FIG. 5 shows a circuit configuration of the lighting device 1 of the present invention. The charging circuit is a circuit in which a constant voltage circuit 12, a backflow prevention circuit 13, and a rechargeable battery 14 are inserted in series between both terminals of an input jack 11 of various power sources through a bridge D, and the lighting circuit is the charging circuit. This is a configuration in which a series circuit of a relay switch 15, an operation switch 16 and a light bulb 3 is connected in parallel to the battery 14.

To the charging circuit, at the output terminal of the constant voltage circuit 12, there are provided a first shunt 18a as a current limiting resistor, a display 19 for displaying an input to the input jack 11, and a second shunt 18b. And the relay switch 1 which is excited by power supply to the input jack 11 in series circuit.
A parallel circuit of the relay coil 15b for driving the switch 5a to OFF is inserted.

The connection point between the indicator 19 and the second shunt 18b is connected to the connection point between the relay switch 15a and the operation switch 16 via a diode 17. still,
In the embodiment, the operation switch 16 and the light bulb 3 are connected in series, and the series circuit is connected in parallel as a pair.

In the above structure, in the lighting circuit, the current from the rechargeable battery 14 flows to the operation switch 16 and the light bulb 3 which are in the ON state in a state where the power is not supplied to the input jack 11, and the light bulb 3 is turned on. Let

Further, in the charging circuit, when various kinds of power are supplied to the input jack 11, the relay coil 15b is excited to turn off the relay switch 15a, and the input current is the constant voltage circuit 12 and the backflow prevention circuit. After passing through 13, the rechargeable battery 14 flows and is charged.

When displaying the emergency lighting mode during charging, when the relay switch 15a is opened,
Since the connection point between the display 19 and the second shunt 18b and the connection point between the relay switch 15a and the operation switch 16 are connected, it is determined that the input jack 11 has an input when the operation switch 16 is turned on. , First flow divider 18a
, The display 19, the diode 17, the operation switch 16,
Since the series circuit is formed by passing through the light bulb 3, the second shunt 1
8b is not present, and the display 19 is displayed brightly or in a different color. In addition, this also serves as a lamp checker for the filament 3 from the viewpoint of the light bulb 3.

Since the present invention is constructed as described above, the structure of the sealing portion in the base for accommodating mounted parts such as portable chargers and switchboards used outdoors is simply constructed.
It is highly economical. In particular, the portable lighting device utilizing this sealing structure not only easily accommodates the mounted components arranged inside the base body, but also facilitates the weight balance when the mounted components are accommodated inside. In addition to this, because of this structure, the opening end of the base can be closed with a cap-shaped sealing member to perform a waterproof treatment,
It is an epoch-making and meaningful invention that has effects such as being able to be safely used outdoors.

[Brief description of drawings]

FIG. 1 is a schematic front view of a lighting device according to an embodiment of the present invention.

FIG. 2 is a schematic side view of an illumination device according to an embodiment of the present invention.

FIG. 3 is a schematic cross-sectional view of a base and a sealing tool used in the lighting device of the embodiment of the present invention.

FIG. 4 is a schematic cross-sectional view showing a state in which a sealing member is attached to a base used for the base of the lighting device of the embodiment of the present invention.

FIG. 5 is a circuit diagram showing an outline of a lighting circuit of the lighting device according to the embodiment of the present invention.

FIG. 6 is a perspective view of a conventional lighting device.

[Explanation of symbols]

 1 Lighting Device 2 Base Material 3 Light Bulb 4 Sealing Device 4a Base 4b Edge 4c Groove 5 Handle 6 Spacer C1 Capacitor C2 Capacitor D Bridge 11 Input Jack 12 Constant Voltage Circuit 13 Backflow Prevention Circuit 14 Rechargeable Battery 15a Relay Switch 15b Relay Coil 16 Operation switch 17 Diode 18a First shunt 18b Second shunt 19 Indicator 20 Resistor 21 Lighting device 22 Base 23 Light bulb 24 Handle

Claims (2)

[Claims] 1. A box-shaped base body for accommodating mounting components such as a circuit board, the base body having a tubular body portion, and a base portion for closing an open end of the base body and the base portion. Forming a cap-like sealing member having an edge portion of an appropriate width extended to the peripheral edge of the base, and bringing the inner peripheral surface of the edge portion of the sealing member into contact with the outer peripheral surface of the opening end of the base. And a sealing portion structure in a mounting base for accommodating mounted components, wherein the opening end of the base is sealed. 2. A base for accommodating mounting components such as a circuit board,
In a portable lighting device in which a light bulb is arranged on the base,
The base is formed to have a tubular body, and a cap-like seal having a base that closes the open end of the base and an edge of an appropriate width that extends around the periphery of the base. An illuminating device, characterized in that a tool is formed, and an inner peripheral surface of an edge of the sealing tool is brought into contact with an outer peripheral surface of an opening end of the base to seal the opening end of the base.