JPH0332841B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a rechargeable portable electric lamp in which a power supply case containing a built-in secondary battery and a lamp case can be separated.

(b) Prior art Jikosho, which the applicant previously applied for, as a rechargeable portable light whose power supply case and lamp case can be separated
The following are known: Japanese Utility Model Publication No. 55-1361, Japanese Utility Model Publication No. 16381/1983, and Japanese Utility Model Application Publication No. 67228/1988.

(c) Purpose of the Invention The present invention was made to improve such a rechargeable portable electric lamp, and in particular, in a case where the lamp body case is composed of a pair of left and right split cases, it is possible to easily integrate the left and right split cases. to be able to do it,
This improves assembly workability.

(d) Structure of the Invention The rechargeable portable electric lamp of the present invention includes a power supply case that houses a secondary battery and its charging device and has a charging plug protruding from the front coupling part, and a fixed frame body facing the front coupling part. a lamp case that is fitted into the power supply case and that houses a light bulb and a reflector that are powered by the secondary battery and is detachable from the power supply case, and the lamp case has a pair of mutually opposing projections The fixed frame has a pair of left and right split cases extending from each other's split surfaces, and the fixed frame has a U-shaped retainer that sandwiches the pair of protrusions when inserted into the lamp case from the rear. The U-shaped engagement piece has a pair of hook portions extending opposite to each other at both ends of the U-shaped engagement piece to be hooked onto the front wall surface of the pair of protrusions. .

(e) Function Therefore, the lamp case, which is detachable from the power supply case and receives power from the power supply case, is constructed by holding the fixed frame in a state where the split surfaces of the pair of left and right split cases face each other and are engaged. The pair of protrusions of these divided cases are inserted between the U-shaped engagement pieces of the fixed frame, and the pair of hooks of the U-shaped engagement pieces are inserted between the pair of protrusions of the pair of protrusions. It is integrated by being hung on the front wall surface, and furthermore, the pair of left and right split cases are reliably prevented from disassembling left and right due to the clamping relationship between the pair of protrusions and the U-shaped engagement piece. The latching relationship between the hook portion and the front wall surface of the protrusion reliably prevents the fixed frame from coming off to the rear of the lamp case.

(F) Embodiment 1 is a rechargeable portable light, and the portable light 1 consists of a power supply case 2 and a lamp case 3 that is detachably attached to the power supply case 2.

In this power supply case 2, 4A and 4B are a pair of left and right split cases on the power supply side, and these split cases 4A and 4B have their respective front parts further protruding to form a front bulge part 5, and a split surface of the front part. 6, upper and lower notches 7a and 8a, which together serve as upper and lower insertion holes 7 and 8, are formed on the upper and lower sides of the front bulge 5, and an engagement pin 10 and an engagement pin are formed near the dividing surface 9 of the rear portion. It has a groove 11 and a boss 12 for screwing. Furthermore, 13 and 13 are secondary batteries such as nickel-cadmium batteries connected in series, 14 is a charging device thereof, and 15 is a charging plug. In addition, 16 and 17 are these secondary batteries 13 and 1
A power supply terminal made of a conductive elastic band electrically connected to the positive and negative electrodes of No. 3, respectively, with base pieces 16a, 17a and loose pieces 16c, 17c provided with semicircular protrusions 16b, 17b.
It is bent into a ``tsu'' shape so that the two sides face each other. The semicircular protrusions 16b, 17b of the loose pieces 16c, 17c are arranged to face the inside of the upper and lower insertion holes 7, 8, so that the power supply terminals 16, 17, the secondary batteries 13, 13, and the charging device 14 , the charging plug 15 is fitted so as to protrude from the front bulge 5, the engaging pin 10 is latched to the engaging groove 11, and the screwing boss 12 is fitted.
The power supply side left divided case 4A and the power supply side right divided case 4B are integrated by screwing the tightening screw 18 into the front bulge 5 in which the charging plug 15 is protruded. and upper and lower insertion holes 7,
The power supply case 2 has a front connecting portion 19 having a front surface 8 and a front surface connecting portion 19.

Next, in the lamp case 3, 20A, 20
B is a pair of left and right split cases on the lamp body side, and the front faces of these split cases 20A and 20B are provided with spiral grooves 21,
21 in a semi-circumferential manner, and the upper and lower dividing surfaces 2
2, 23 At the rear, a pair of upper protrusions 24A, 24B and a pair of lower protrusions 25A, 25 facing each other.
B is extended, and these upper protrusions 24A, 24
The tips of B and the tips of the lower protrusions 25A, 25B are connected to the respective inner walls by reinforcing connecting pieces 26, respectively. Furthermore, 27 is a notch for a switch, 28 is a peripheral wall for holding a magnet, 29 is a rib for holding a lead plate, 3
0 and 31 are an engagement pin and an engagement groove. These left and right split cases 20A and 20B on the lamp body side have a front opening 32 with a spiral groove 21 at the front when the split surfaces 22 and 23 are engaged with each other, and a rear opening 33 for attaching the power supply case at the back. , respectively.

Reference numeral 34 denotes a fixed frame that is fitted into the lamp case 3 through the rear opening 33, and the fixed frame 34 has a recess 35 protruding from the rear side to receive the front bulge 5 of the power supply case 2. The bottom plate portion 36 of this recess 35 is provided with loose fitting holes 37, 37 into which the charging plug 15 is inserted, and the upper and lower walls 38a, 38b of the recess 35 are provided with the front bulge portion 5. Engaging hook pieces 40a, 4 that enter into the upper and lower grooves 39a, 39b of the power supply case 2 to maintain the attached state of the power supply case 2.
It has 0b. Furthermore, 41 and 42 are upper and lower U-shaped engagement pieces protruding from the upper and lower positions of the recess 35 on the back surface of the fixed frame 34;
A pair of hooks 4 facing each other are provided at the tips of 1 and 42.
1a, 41a, 42a, 42a, and this fixed frame 34 is connected to the rear opening 3 of the lamp case 3.
When inserted from 3, the pair of upper protrusions 24
A, 24B and the lower protrusions 25A, 25B, and the pair of hooks 41a, 41a, 42
a, 42a are the pair of upper protrusions 24A, 24B
By being hooked to the front wall surface 43 of the lower protrusions 25A, 25B, the lamp body side left and right split cases 20A, 20B are prevented from being disassembled in the left and right direction, and the lamp body case 3 of the fixed frame 34 is This prevents it from coming off backwards. Another 44,4
Reference numeral 5 denotes upper and lower guide tubes protruding from the upper and lower surfaces of the fixed frame 34 at locations opposite to the upper and lower insertion holes 7 and 8, in which guide groove holes 46 and 47 are bored, respectively.

48 is a reflector whose entire body is vacuum-deposited with aluminum, 49 is a lens, 50 is a light bulb, and 51 is a socket, which is attached to the lamp case 3 by tightening and fixing the lens frame 52 to the spiral groove 21. It is housed in the case 3 through the front opening 32.

Reference numeral 52 denotes a first lead plate made of a conductive band plate, with one end serving as a contact portion 52a that can freely approach and separate from the reflecting mirror 48, and a switch piece contacting peak portion 52 at the midpoint.
b, and both edges of the other end are notched in a stepped shape to form a first power receiving contact 52c, and this first power receiving contact 52c is connected to the guide slot 4 on the upper side of the fixed frame 34.
It is fitted and fixed into the lead plate holding rib 29 while protruding from the lead plate holding rib 29 .

Reference numeral 53 designates a second lead plate made of a conductive strip plate, one end of which serves as a power supply spring portion 53a that comes into elastic contact with the tail terminal of the light bulb 50, and has an L-shape 53b along the outer periphery of the magnet holding peripheral wall 28. The second power receiving contact 53c is formed by bending and notching both edges of the other end in a stepped shape.
is fitted into and fixed to the lead plate holding rib 29 while protruding from the guide slot 47 on the lower side of the fixed frame 34.

Furthermore, 54 is a switch knob that is fitted into the switch notch 27 and slides back and forth, and a switch knob that presses the mountain portion 52b of the first lead plate 52 downwardly to bring the contact portion 52a into contact with the reflecting mirror 48. It has a section 54a and an articulation piece 54b. Further, 55 is a magnet held within the magnet holding peripheral wall 28, and 56, 56 are iron pieces that transmit the attraction force of this magnet 55 to the outside of the lamp case 3.

And the pair of light body side left and right split cases 24
A, the magnet 55 and iron piece 56 described above in 24B,
After storing the first and second lead plates 52 and 53 and attaching the switch knob 54 to the switch notch 27, the respective dividing surfaces 22 and 23 are latched by the engagement pin 30 and the engagement groove 31. The fixed frame body 34 is fitted through the rear opening 33 formed in the fixed frame, and the first and second power receiving contacts 52c and 53c of the first and second lead plates 52 and 53 are connected from the guide tubes 44 and 45.
The U-shaped engagement pieces 41 and 42 sandwich the pair of protrusions 24A, 24B, 25A, and 25B, and the light bulb 50, the socket 51, and the reflector 4
8. The lamp case 3 is constructed by tightening and fixing the lens frame 52 with the lens 49 attached to the spiral groove 21 of the formed front opening 32.

The front connecting surface 19 of the power supply case 2 is connected to the rear opening 33 of the lamp case 3 configured in this manner.
By fitting the front bulging portion 5 into the recess 35 of the fixed frame 34, the lamp case 3 and the power supply case 2 are integrated. At this time, the guide tubes 44, 45 are It enters into the insertion holes 7 and 8, and the first and second power receiving contacts 52c and 53c connect to the power feeding contact 1.
If the surfaces of the semicircular protrusions 16b and 17b of Nos. 6 and 17 are rubbed, the semicircular protrusions 16b and 17b become dirty,
Even if an oxide film is formed, it can be rubbed off to ensure continuity, and in this state it can be used as a portable lamp. On the other hand, the power supply case 2 is separated from the lamp case 3 by pulling the lamp case 3, and the power supply plug 15 is inserted into an outlet in the room to be charged.

(G) Effects of the Invention Therefore, according to the present invention, the pair of left and right split cases on the light body side constituting the light body case can be assembled by simply fitting the fixed frame body from the rear, and the U-shaped engaging pieces can be connected to the pair of left and right split cases of the light body side. The projecting piece is held in place to prevent the left and right split case from being disassembled to the left and right, and the hook of the U-shaped engaging piece is hooked to the front wall of the projecting piece, thereby preventing the lamp body of the fixed frame itself. It can reliably prevent the case from coming off, and by fitting the fixed frame, the left and right split cases can be easily integrated without using screws or other parts, greatly improving the ease of assembly and use. The number of parts can be reduced, and manufacturing costs can be reduced.

[Brief explanation of the drawing]

The drawings all relate to embodiments of the rechargeable portable electric lamp of the present invention, and FIG. 1 is an overall view of the integrated state, FIG. 2 is an overall view of the separated state, and FIG. 3 is a sectional view of FIG. 1.
Figure 4 is an exploded perspective view, Figure 5 is A in Figure 3.
-A' sectional view, and FIG. 6 is a BB' sectional view in FIG. 13... Secondary battery, 15... Charging plug, 2...
...Power supply case, 34...Fixed frame body, 3...Light body case, 20A...Light body side left split case, 20B...
...Light body side right split case, 41, 42...U-shaped engagement piece, 24A, 24B, 25A, 25B...Protrusion, 41a, 42a...Hook part.

Claims (1)

[Claims] 1. A power supply case that incorporates a secondary battery and its charging device and has a charging plug protruding from the front coupling part, and a light bulb that is fitted with a fixed frame facing the front coupling part and that is powered by the secondary battery. and a lamp case with a reflective mirror inside and detachable from the power supply case, and the lamp case has a pair of left and right divisions each having a pair of opposing protrusions extending from the respective dividing surfaces. the fixed frame body further includes a U-shaped engagement piece that engages the pair of protrusions when inserted into the lamp case from the rear; A rechargeable portable electric light comprising a pair of hooks extending opposite to each other at both ends of the piece and hooked onto the front wall surface of the pair of protrusions.