JPH0214084Y2 - - Google Patents

Description

[Detailed explanation of the idea] (Industrial application field) The present invention relates to a portable lighting device.

(Prior art) In conventionally well-known portable lighting equipment, a light bulb with a filament of a single resistance value is used, and the batteries used also have the same electromotive force to match the resistance value of the light bulb. It was customary to use the same number of pieces.

(Problems to be Solved by the Invention) The conventional type of portable lighting equipment as described above has a problem in that it cannot be used in locations or occasions where the required illuminance is different. For example, when fishing at night, there is a big difference between the illuminance needed to confirm the position of the rod base and the illuminance needed to bait the hook, so conventional lighting equipment that only provides the same illuminance is used. In this case, a problem arises in that if it is adjusted to one side, it will be too dark, and if it is adjusted to the other, it will be too bright.

This invention was made in view of the above points,
The object of the present invention is to enable the illuminance of a portable lighting device to be changed as appropriate depending on the location or occasion of use.

(Means for solving the problem) In the present invention, as a means for solving the above problem, a light bulb is attached to the tip of a cylindrical main body case and has two types of filaments with different resistance values. Two types of batteries with different electromotive forces are housed in the main body case, a changeover switch selectively switches the connection state between the filament and the battery, and a changeover switch attached to the rear end of the main body case and configured to activate the battery. A portable lighting device is provided with a voltmeter for measuring electric power, and is configured so that its rear end side can be detachably attached to the end of the rod base of a fishing rod. A transparent cap is provided, and a protective cover made of an opaque material such as rubber is removably fitted onto the cap so that the degree of fitting can be adjusted.

(Function) In the present invention, the following effects can be obtained by the above means.

In other words, by selectively switching the connection state between a light bulb having two types of filaments with different resistance values and two types of batteries with different electromotive forces, illumination with the desired illuminance can be obtained, and it is possible to This makes it possible to accommodate differences in the required illuminance depending on the situation. In addition, by adding a voltmeter to measure the electromotive force of the battery, it is possible to check the electromotive force of the battery as needed.If the electromotive force decreases, the battery can be connected to a filament with a small resistance value. The remaining electromotive force can be used effectively.

Furthermore, by adjusting the degree to which the protective cover fits into the cap, it is possible to adjust the illumination intensity using the light bulb.

(Embodiments) Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in FIG. 1, the portable lighting device according to this embodiment is attached to the rod base of a fishing rod A, and is used for confirming the position of the rod base during night fishing and for illuminating baiting on the hook. The main body case 1 is configured to be able to be screwed onto and detached from the rod base of a fishing rod A, and the light bulb 2 is attached to the front end of the main body case 1 and has two types of filaments 3 and 4 having different resistance values. , two types of batteries 5 and 6 having different electromotive forces disposed in the main body case 1, and a changeover switch 7 that selectively switches the connection state between the batteries 5 and 6 and the filaments 3 and 4; A voltmeter 8 is attached to the rear end of the main body case 1.

Among the filaments 3 and 4, one filament 3 is for 9V, and the other filament 4 is for 9V.
is for 1.5V, and has three terminals 9, 10,
11. In addition, 1 located in the middle
The terminals 11 are shared by both filaments 3 and 4. In the case of this embodiment, the light bulb 2 is screwed into a socket 12 provided at the front end of the main body case 1, and the terminals 9 and 10 are attached to the socket 12 provided at the front end of the main body case 1. The terminal 11 is connected to the negative side of the battery 5 via a spring 15 while coming into contact with ball-shaped connection terminals 13 and 14 . Reference numeral 16 is a leaf spring that urges the connection terminals 13 and 14 toward the contact side. Further, a cap 17 made of transparent plastic is attached to the front end of the main body case 1, surrounding the light bulb 2 and having a lens portion 17a at the tip. The cap 17
is equipped with a protective cover 1 made of opaque material such as rubber.
A protective cover 18 is removably fitted thereon, and when the lighting device is used, this protective cover 18 is removed as shown by the chain line in FIG. Incidentally, by adjusting the degree to which the protective cover 18 fits into the cap 17, the illuminance can also be adjusted. Reference numeral 19 is a string for connecting the protective cover 18 to the main case 1.

Among the batteries 5 and 6, one battery 5 is composed of three 3V dry batteries 5a, 5a, 5a,
The other battery 6 consists of one 1.5V cadmium battery. And the dry batteries 5a, 5a,
The batteries 5a are stored in series in a main battery compartment 20 formed in the center of the main body case 1, while the batteries 6 are stored in a sub battery compartment 21 formed in the side periphery of the main body case 1. It is stored in. The main battery chamber 20 has a battery insertion opening 20a at its rear end, and the opening 20a is closed by a voltmeter 8 that is detachably screwed onto the rear end of the main body case 1. Reference numeral 22 denotes a connection terminal provided at the bottom of the voltmeter 8 so as to contact the positive side of the dry battery 5a on the rear end side of the battery 5. The auxiliary battery chamber 21 has a battery insertion opening 21a on the side periphery of the main body case 1, and the opening 21a has a half-shaped lid that is removably attached to the side periphery of the main body case 1. 2
It is blocked by 3. Reference numeral 24 is a connection terminal to which the positive side of the battery 6 is brought into contact, and 25 is a connection terminal to which the negative side of the battery 6 is brought into contact.

The voltmeter 8 is configured to measure the electromotive force of the battery 5 and also serve as the lid of the main battery chamber 20 as described above. A push-button switch 26 is provided.

The changeover switch 7 is located on the side periphery of the main body case 1 and is slidable in the front and back direction, and has contacts 27 and 28 connected to the positive side of the batteries 5 and 6 and a non-contact switch of the filament 3. Contact 2 connected to the connection terminal 13 that the common terminal 9 comes into contact with
9 and a contact 30 connected to the connection terminal 14 to which the non-common terminal 10 of the filament 4 is brought into contact;
31 is configured to be selectively electrically connected. That is, in this embodiment, the filaments 3 and 4 of the light bulb 2, the batteries 5 and 6, the voltmeter 8, and the switch 2
6 and each contact 27, 28, 29, 30, 31
are connected as shown in FIG. 2, and when the contacts 27 and 29 are connected via the changeover switch 7, the filament 3 for 9V in the light bulb 2 and the battery 5 are connected, and the changeover switch When the contacts 27 and 30 are connected via the switch 7, the filament 4 for 1.5V in the light bulb 2 and the battery 5 are connected, and the changeover switch 7
When the contacts 28 and 31 are connected via the 1.5V filament 4 of the light bulb 2 and the battery 6 are connected. Reference numeral 32 is a knob for slidingly operating the changeover switch 7.

Next, the operation of the portable lighting device according to the illustrated embodiment will be explained.

As shown in Fig. 1, contact 2 is
When 7 and contact 29 are connected, the filament 3 is connected to the battery 5, and high intensity illumination is obtained by the filament 3. From this state, slide the changeover switch 7 forward one step to connect the contact 28 and the contact 30. When connected, battery 6 and filament 4
The filament 4 provides low illuminance illumination. Therefore, in night fishing, when high illuminance illumination is required, such as when feeding a fishing hook, the illumination provided by the filament 3 is used as in the former case, and the illuminance is low enough to confirm the rod base of fishing rod A. If such illumination is required, the illumination provided by the filament 4 can be used as in the latter case, and illumination with illuminance can be selectively used as desired. In addition, if the battery 5 is exhausted and the electromotive force is reduced and the filament 3 cannot provide illuminance, measure the electromotive force of the battery 5 with the voltmeter 8, and even if it is connected to the filament 4, the filament 3 When the electromotive force is high enough to prevent burnout, slide the selector switch 7 backward one step from the state shown in FIG. 1 to connect the contacts 27 and 31, and the battery 5 and filament 4
are connected, and illumination by the filament 4 is obtained. Therefore, the residual electromotive force of the battery 5 can be fully utilized.

FIG. 3 shows another embodiment of the invention, in which a mercury battery 5b is used as the battery 5. The mercury battery 5b is housed in the main battery compartment 20 via a battery mounting adapter 33. The adapter 33 is configured to fill the surplus space created when the mercury battery 5b is housed in the main battery compartment 20, and has a substantially U-shape with one end 34a in contact with the bottom surface of the mercury battery 5b. A pair of shaped terminals 34, 34 are attached. Further, a fitting hole 35 into which a cadmium battery 5c can be fitted is provided at the front axis of the adapter 33.
is formed at the inner bottom of the fitting hole 35.
The other ends 34b, 34b of the terminals 34, 34 face each other. A positive electrode of a cadmium battery is sandwiched between the other ends 34b, 34b of the terminals 34, 34, and a spring 36 is connected between the terminals 34, 34 and the connecting terminal 22 provided on the bottom surface of the voltmeter 8. A terminal bar 37 is interposed therebetween. With this configuration, the adapter 33
can be used for mercury batteries and cadmium batteries.

As the light bulb 2, in addition to the screw-in type shown in FIGS. 1 and 3, a plug-in type shown in FIG. 4 can also be used. That is, the terminals of the filaments 3 and 4 are inserted into the terminals 9, 10, 11.
In this case, receiving holes 38, 39, 40 into which the plug terminals 9, 10, 11 are inserted are formed on the socket 12 side, and each receiving hole 38,
39 and 40 have the plug-in terminals 9 and 1, respectively.
Terminals 41, 42, and 43 that are fitted into the terminals 0 and 11 and act as connection terminals are fixed.

Furthermore, the portable lighting device of the present invention can be used by being attached to the base of the fishing rod A as in the above embodiment, and can also be used alone. It is used by screwing on a protective cap (not shown).

It goes without saying that the present invention is not limited to the configuration of the above-described embodiments, and that the design can be modified as appropriate without departing from the gist of the invention.

(Effect of the invention) As described above, according to the invention, in a portable lighting device having a light bulb having two types of filaments with different resistance values and two types of batteries with different electromotive force, By selectively switching the connection state between a light bulb with two types of filaments and two types of batteries with different electromotive forces, illumination with the desired illumination intensity can be obtained, so the required illuminance can be adjusted depending on the location or occasion of use. This has the practical effect of being able to accommodate differences.

In addition, a voltmeter is attached to measure the electromotive force of the battery, so that the electromotive force of the battery can be checked as needed. In this case, there is an effect that the remaining electromotive force of the battery can be effectively utilized by connecting the battery to a filament having a small resistance value. Furthermore, a transparent cap is provided around the outer periphery of the light bulb, and a protective cover made of an opaque material such as rubber is attached to and detached from the cap so that the degree of fitting can be adjusted. By fitting the protective cover into the cap, it is possible to adjust the illuminance of the bulb by adjusting the degree to which the protective cover is fitted into the cap, which also has the effect of being able to precisely meet the needs of the fishing rod user.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view of a portable lighting device according to an embodiment of the present invention, FIG. 2 is a wiring diagram of each electric element in the portable lighting device shown in FIG. FIG. 4 is a longitudinal cross-sectional view of the portable lighting device according to the embodiment of the present invention. FIG. 1... Body case, 2... Light bulb, 3, 4... Filament, 5, 6... Battery, 7... Changeover switch, 8... Voltmeter, 17... Cap, 18...
Protective cover, A...Fishing rod.

Claims (1)

[Scope of utility model registration request] It is attached to the tip of the cylindrical main case,
A light bulb having two types of filaments with different resistance values, two types of batteries with different electromotive forces housed in the main body case, a changeover switch that selectively switches the connection state between the filament and the battery, and the main body. The portable lighting device is equipped with a voltmeter that is attached to the rear end of the case and measures the electromotive force of the battery, and is configured so that the rear end can be detachably attached to the rod base end of a fishing rod. A transparent cap is provided around the outer periphery of the light bulb, and a protective cover made of an opaque material such as rubber is attached to the cap, and the degree to which the cap is fitted can be adjusted. A portable lighting device characterized in that it is fitted in a removable manner.