JPS5927464A - Battery - Google Patents

Abstract

PURPOSE:To accommodate in writing tool to illuminate the surface of a material to be written by forming a battery in a shape of doughnut, setting electrodes in upper and lower surfaces, and using the inner jacket as a path of the light from a light source arranged on the upper side of the battery. CONSTITUTION:A writing tool is consisted of an axial core 11, an axial cylinder 12 having a light path inside it, and a light source unit 20 arranged on the upper side of the axial cylinder. The light source unit 20 can be moved in the upper and lower directions with a clip 34. A light source comprising a reflex plate 36 and a small bulb 37 is accommodated in the upper room 30, and an alkaline battery 50 formed in a shape of doughnut is in the lower room 40 of the light source unit 20, and electrodes 52 and 53 are formed in the upper and lower portions through an outer jacket 51 and an inner jacket 41. Therefore, the small bulb 37 is lit by operation of the clip 3, and the light passes inside the inner jacket 41 and is illuminated from a slanting surface 14 of the top of the axial cylinder 12. By using the battery having a special shape, a convenient lighting tool is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a battery, and particularly to a battery that is most suitable for use as a light source for illuminating the tip of a writing instrument whose longitudinal outer periphery is a light path.

The present inventors have provided a light source device that illuminates the writing surface by forming an optical path in a writing instrument and introducing light from a light source into the writing instrument to perform an illumination function or a light decorative function. .

However, in the case where the light source device is formed in the shape of a cap that can be attached or detached to the head of the writing instrument, as long as a normal battery is used as the light source battery, the battery will be located above the head of the writing instrument. The center of gravity becomes high, which significantly impairs the usability of the writing instrument.

The purpose of the present invention is to eliminate the above-mentioned drawbacks and to provide a battery with a special shape that can be used for various other purposes. The main feature is that the outer cover is formed so that the outer cover has a different polarity, and the different surfaces of the outer cover are formed to have different polarities.

Hereinafter, as one mode of use of the battery according to the present invention, a case where the battery according to the present invention is used in a light source device of a writing instrument with an optical path as shown in FIG. 1 will be described.

First, the writing instrument 10 with an optical path will be explained. The writing instrument 10 with an optical path includes a shaft 11 made of, for example, a pencil lead, a ballpoint pen lead, etc., and a barrel 12 for holding the core, and the barrel 12 forms an optical path that transmits light in the axial direction. It is composed of a transparent body, a bundle of optical fibers, or simply something with a through hole. Light enters from the end face 16 of the head, passes through the barrel 12 as an optical path, and is radiated to the outside from the inclined surface 14 at the tip of the barrel 12, thus performing an illumination function or a light decorative function.

Next, an embodiment of a light source device 20 using a battery according to the present invention will be described based on FIGS. 1 and 2.

The light source device 20 includes an upper housing 60 and an upper housing 6.
0 and a lower storage body 40 detachably connected to the lower storage body 40.

The upper storage body 60 is formed into a cylindrical shape with a lid, and a conductive frame 61 formed of a conductive material and having a cylindrical shape with a lid is fitted inside the upper storage body 60 . Further, a through hole 62 is bored in the side surface of the upper storage body 60, and an operating piece 66 is protruded from this through hole 62. A clip 64 is connected to the outer end of the operating piece 66, while a cylindrical moving body 65 made of an insulator that slides on the inner wall of the conductive frame 61 is fixed to the inner end of the operating piece 66.

A conductive hemispherical reflector 66 is connected to the lower edge of the movable body 65 and has a substantially inverted M-shaped cross section. is formed. Furthermore, the lower end of this reflector 66 has a role as a contact point, and when the movable body 65 descends to the lowest position, it contacts the electrode 52 of the battery 50, which will be described later, and becomes energized, and when the movable body 65 rises, the contact point becomes the electrode. 52 and is in a non-energized state.

In addition, a light source 67 such as a miniature light bulb or a light emitting diode is removably held downward in the center of the reflector plate 66 , and one terminal of the light source 67 is connected to the reflector plate 66 , and the other terminal is connected to the conductive frame 61 . The conductive frame 61 is electrically connected to the conductive frame 61 through a conductive spring 68 interposed therein.

The lower storage body 40 has an inner tube 41 and an outer tube 42 connected at a bottom portion 46, and the overall shape is formed into a hollow ring shape with an open top, and the hollow portion 44 serves as a battery storage portion. .

Both the outer cylinder 42 and the bottom part 46 have at least their inner walls made of a conductive material. Further, the upper end of the outer cylinder 42 extends upward from the inner cylinder 41, and is detachably connected to the upper storage body 6° by a connecting means such as screwing or fitting (4). The inner wall of 42 and the conductive frame 61 of the upper storage body 60 come into contact and become electrically conductive.

An appropriate color filter 45 formed in a disk shape is mounted and fixed on the upper edge of the inner cylinder 41, and the inside of the inner cylinder 41 serves as an insertion hole 46 for the writing instrument 10 with optical communication.

The battery 50 according to the present invention has a hollow section 44 of the lower storage body 40.
As shown in FIGS. 2 and 3, the outer cover 51 has a thick cylindrical shape, and a ring-shaped electrode 51 is concentrically protruded from the upper surface of the battery 50. An electrode 56 different from the electrode 51 is formed on the lower surface of the electrode 50 . As the battery 50, primary batteries such as alkaline batteries and mercury batteries are suitable. For example, when configuring a stacked dry battery, the unit cells 54 made of manganese dry batteries may be formed into a donut shape, and an appropriate number of these may be stacked. Further, the dimensions of the battery 50 can be changed as appropriate depending on the application, required capacity, etc.

Incidentally, since the internal structure of the battery 50 is already well known, the details will be omitted.

The battery according to this embodiment is configured as described above, and when the light source device 20 is operated, by lowering the clip 64, the movable body 65 and the reflector plate 36 are lowered via the operation piece 66, and the light source device 20 is operated. When the lower edge of the plate 66 comes into contact with the electrode 52 of the battery 50, the light source 37 becomes energized.
will be lit. The emitted light passes through a color filter 45 and reaches the head end surface 16 of the writing instrument 10 with a light passage.
The light enters the shaft cylinder 12 and is emitted to the outside from the tip inclined surface 14.

Furthermore, when the clip 64 is raised, the reflection plate 66 moves upward and separates from the electrode 52, resulting in a non-energized state.

According to this embodiment, the relatively heavy battery 50 is formed in a donut shape among the members of the light source device 20, and the writing instrument 10
By positioning the battery 50 on the outer periphery of the head of the writing instrument 10, the balance of the writing instrument 10 during use is improved and the light source device 20 is
can be made compact.

Furthermore, the battery 50 according to the present invention can be used not only for the above-mentioned writing instrument 10 but also for a wide range of other columnar articles such as brushes with handles and screwdrivers.

Note that the electrodes 52 and 55 of the battery 50 are provided on the top and bottom surfaces of the battery 50, as shown in FIGS.
It is also possible to provide them on the inner peripheral surface and outer peripheral surface of 0, or in some cases, on the upper surface and outer peripheral surface, etc., and can be selected as appropriate depending on the application.

As described above, the present invention provides a battery with a novel shape that has not been seen before, thereby making it possible to use it in places where it is inconvenient to use conventional batteries.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a front view showing the case where it is applied to a light source device of a writing instrument with optical conduit;
FIG. 2 is an enlarged sectional view of the light source device shown in FIG. 1, and FIG. 3 is a perspective view. Explanation of symbols 10... Writing instrument with optical connection, 11... Shaft core, 12... Shaft tube, 16... Head end surface, 14... Tip inclined surface, 20... Light source device, 6o・Upper storage body,
61... Conductive frame, 62... Through hole, 66... Operation piece, 64... Clip, 65... Moving body, 66...
Reflector plate, 37... Light source, 68... Conductive spring, 4o
... lower storage body, 41 ... inner cylinder, 42 ... outer cylinder,
46... Bottom, 44... Hollow part, 45... Color filter, 46... Insertion hole, 5o... Battery, 51
... Outer cover, 52, 55... Electrode, 54... Unit cell.

Claims (1)

[Scope of Claims] 1. A battery characterized in that an outer cover is formed so as to have a generally cylindrical shape as a whole, and different surfaces of the outer cover are formed as different polarities. '2. The battery according to claim 1, wherein electrodes are formed on the upper and lower surfaces of the outer cover. 3. The battery according to claim 1, wherein electrodes are formed on the inner and outer peripheral surfaces of the outer cover.