JPS6047555B2 - needle lighting clock - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hand-illuminated timepiece, and more specifically, the present invention relates to a hand-illuminated timepiece, and more specifically, a lamp 5 in the hour hand 3 attached to the tip of the hour hand pipe 1.
power supply vertical piece parts 12a, 12 fixed symmetrically to the side surface of the hour hand pipe 1 in order to supply power to the hour hand pipe 1;
Power supply spring body 38a protruding outward from the lower edge of 12b
, 38b, and a center line passing through the centers of the vertical feeding pieces 12a, 12b and the center of the hour hand pipe 1 (sliding arms 34a that can protrude from the feeding spring bodies 38a, 38b symmetrically to the left and right with the center as the center); 34 openings, 34c, 342, and sliding arms 34i, 3
A power supply plate 31 located above ports 4, 34c, 342 and connected to an external power source, and a sliding arm 34a, 34c, 34c, 3
a slip ring 7 located below the minute hand 4 and supplying power to the lamp 5b in the minute hand 4 via conductive spring plates 6a and 6b;
Consists of contacts 39A, 39A, 39C, and 392, which are fixed to the tips of sliding arms 34A, 34A, 34C, and 342, and are in sliding contact with the lower surface of the power supply plate 31 and the upper surface of the slip ring 7, respectively. This is related to a hand-illuminated watch, and its purpose is to connect the power supply spring main body at the lower edge of the power supply vertical piece with the center line passing through the center of the power supply vertical piece and the center of the hour hand pipe as the center. To provide a hand-illuminated watch which can balance the spring load of a power supply spring plate by projecting sliding arms symmetrically, ensure power supply to a lamp, and prevent rattling of a minute hand. .

The present invention will be described in detail below with reference to FIGS. 2 to 5.

The minute hand pipe 2 has a small diameter, has a drive gear 15 integrally provided at its lower end, and is rotatably fitted into a pivot shaft 17 protruding upward from the main plate 16. It meshes with the large gear portion 23a. A hollow minute hand 4 is fixed to the upper end of the minute hand pipe 2 via a minute hand hook 18 and a minute hand insulating bush 19, and minute hand conductive springs 20a and 20b are attached to the minute hand insulating bush 19. The hour hand pipe 1 has a large diameter, with a minute hand pipe 2 inserted through the center, and an operating gear 21 is integrally provided at the lower end of the hour hand pipe 1. It meshes with the small gear part 23b of the wheel 23. A hollow hour hand 3 is fixed to the upper end of the hour hand pipe 1 via an hour hook 24 and an hour hand insulating bush 25. Hour hand conductive springs 27a and 27b are attached to the hour hand insulating bush 25.
Both the hour hand 3 and the minute hand 4 are made of transparent or translucent synthetic resin, and have lamps 5a and 5b embedded inside, respectively, and cords 26 that can be led out from the lamps 5a and 5b.
are the minute hand conductive springs 20a, 20b and the hour hand conductive spring 27a.
, 27b, respectively. The slip ring 7 is disc-shaped, has an insertion hole 8 in the center, and has two power supply rings 9a and 9b provided on its upper surface with the insertion hole 8 at the center. Further, the lower ends of the conductive spring plates 6a, 6b are bent to provide horizontal plate portions 11a, 11b and positioning piece portions 13 in a protruding manner. The conductive spring plates 6a and 6b are inserted into the insertion hole 8 of the slip ring 7 from below, respectively, and the horizontal pieces 11a and 11b are inserted into the insertion hole 8 of the slip ring 7 from below.
is soldered to the bottom surface of the slip ring 7. The right horizontal piece 11a is connected to the inner feeding ring 9a, and the left horizontal piece 11b is connected to the outer feeding ring 9b. The minute hand vibrator 2 is inserted through the insertion hole 8 of the slip ring 7, and conductive spring plates 6a, 6b are fixed to both sides of the minute hand vibrator. 6b and the slip ring 7 are adapted to rotate. This conductive spring plate 6
The acute bent portions 42a and 42b of the minute hand conductive springs 20a and 20b are in contact with the upper ends of the minute hand conductive springs 20a and 6b, respectively.
In this case, the minute hand conductive blades 20a, 20b are replaced by the conductive blade 6a.
, 6b, the acute bent portions 42a, 42b strongly rub the surface of the minute hand conductive springs 20a, 20b, and as a result,
The wiping action eliminates poor contact between the two. Reference numeral 31 denotes a power supply plate, which is fixed to the lower surface of the movement case 22, and a concentric power supply sliding ring 3 is attached to the lower surface of the power supply plate 31.
2a and 32b are provided in duplicate, and the hour hand vibrator 1 is inserted through the center of this power supply plate 31.

Also on the side surface of the hour hand vibrator 1, the power feeding vertical pieces 12a, 12b of the power feeding spring plates 33a, 33b are insulated from each other and fixed symmetrically. Further, the upper ends of the power supply spring plates 33a, 33b are provided with acute angle bends 43a, 43 of the hour hand conductive springs 27a, 27b.
b are in elastic contact with each other, and the minute hand conductive springs 20a, 20
Similar to b, the wamping action eliminates poor contact between the two. The power supply spring plates 33a and 33b will be described in further detail with reference to FIGS. 3 to 5. As can be seen from FIG. 3, the power supply spring plate 33a has an arc-shaped sliding arm 34a protruding from the arc-shaped power supply spring main body 38a, and a concentric arc-shaped sliding arm 34a protrudes from the inside thereof. The movable arm 34a is bent obliquely upward from the base y, and the other sliding arm 34 is bent obliquely downward from the base x, and contacts 39a and 39a are fixed to their tips. Further, since the power feeding vertical piece 12a is erected upward from the inner peripheral edge of the power feeding spring main body 38a, the same applies to the other power feeding spring plate 33b. A protruding piece 12b is provided. Further, the positional relationship of the sliding arms 34B, 34I, 34J-, and 342 will be explained with reference to FIG. ●Sliding arms 34a, 3 of the power supply spring plates 33a, 33b from the center of the hour hand vibrator 1
Measure the distance to contacts 39a and 39c fixed on 4c;●
Distance from the center of the hour hand vibrator 1 to the contacts 39 and 392 fixed to the sliding arms 340 and 342 of the power supply spring plates 33a and 33b; The distance from the curved part to contact points 39a and 39c is 11; ●Sliding arm 3
By setting the distance from the bent part of the base y of 4-cho 34-2 to the contact points 39-port, 39-c to 12, the sliding arms 34-i, 34-port, 34
′～,342 are each considered as cantilever beams, the deflection tatami δ
is expressed by the following formula.

Substituting 11, 12, L1, and shi into equation (1), since δ and P of each sliding arm 34a, 34port, 34' to 342 are equal, rearranging equation (2), we now get: When each part is assembled into the movement case 22, the sliding arms 34a, 34 ports of the power supply spring plates 33a, 33b,
The hour hand vibrator 1 and the minute hand vibrator 2 are subjected to a load in the axial direction by 34' to 342.

Even if the positions of the contacts 39a, 39ports, 39'~, 392 of the sliding arms 34a, 34ports, 34'~, 3412 are different from the center, the load is in the relationship shown in equation (3) above. Therefore, the hour and minute hand vibrators 1 and 2 always receive only axial load and do not tilt. That is, each sliding arm 34i, 34port, 34'-, 34
2 is the center of the power feeding vertical pieces 12a, 12b and the hour hand vibrator 1;
The sliding power supply ring 32a of the power supply plate 31
, 32b are connected to an external power source. Next, the power supply path will be explained. When the minute wheel 23 rotates, the hour hand vibrator 1 and the minute hand vibrator 2 also rotate at their respective ratios, and the hour hand 3 and minute hand 4 indicate the time.
As the hour hand vibrator 1 and minute hand vibrator 2 rotate, the sliding arm 3
4A, 34 ports, 34C, and 342 are the power supply rings 9a and 9b of the slip ring 7 and the sliding power supply ring 3 of the power supply plate 31.
2a, 32b, the lamps 5a, 5b are powered and emit light, and the hour hand 3 and minute hand 4 glow.

A set screw 35 fixes the dial plate 36 to the case 37.

6 to 9 show the case where the second hand shaft 9 is inserted into the minute hand vibrator 2, and the second hand 14 is attached to the upper end of the second hand shaft 9 to form three middle hands.

In the case of FIGS. 8 and 9, the upper ends of the conductive spring plates 6a, 6b and the power supply spring plates 33a, 33b are bent diagonally outward and downward to form the conductive bent portions 40a, 40b and the power supply bend. parts 41a and 41b, and hour hand conductive/electric spring 27 respectively.
a, 27b and the minute hand conductive springs 20a, 20b may be brought into elastic contact to supply power to the lamps 5a, 5b. In this way, the above-mentioned elastic contact force presses the conductive spring plates 6a, 6b and the power supply spring plates 33a, 33b toward the fitting grooves 30a, 30b, preventing them from falling off from the fitting grooves 30a, 30b, and also prevents them from falling off from the fitting grooves 30a, 30b. The hour hand conductive springs 27a, 27b and the minute hand conductive springs 20a, 20b are connected to conductive bent portions 40a, 40b.
By rubbing the power supply bending portions 41a and 41b, the contact properties are improved, and a so-called wiping action can be used to eliminate conduction failures.

[Brief explanation of drawings]

FIG. 1 is an external perspective view of an embodiment of the present invention, FIG. 2 is a vertical sectional view of an embodiment of the present invention, and FIG. 3 is a plan view of an embodiment of a power supply spring plate used in the present invention. Figure 4 is a front view of the same as above;
5 is a cross-sectional view of FIG. 1, FIG. 6 is a partial longitudinal sectional view of the case of three medium needles of the present invention, and FIG. 7 is a cross-sectional view taken along the line A-N in FIG. 6.
Fig. 8 is a partial vertical sectional view of another embodiment of the present invention in the case of three middle hands, and Fig. 9 is a sectional view taken along line BB'' in Fig. 8. 1...Hour hand vibrator; 3...Hour hand, 4...
...Minute hand, 5a, 5b... Lamp, 6a, 6
b... Conductive spring plate, 7... Slip ring, 12a, 12b... Power feeding vertical piece, 31...
・Power supply board, 34i, 34 ports, 34'~, 342...
...Sliding arm, 38a, 38b...Power supply spring body, 39a, 39C], 39c, 392...contact.

Claims (1)

[Claims] 1. A power supply vertical piece fixed symmetrically to the side of the hour hand pipe to supply power to the lamp inside the hour hand attached to the tip of the hour hand pipe, and a power supply spring protruding outward from the lower edge of the vertical power supply piece. The main body, a sliding arm that protrudes from the main body of the power supply spring symmetrically to the left and right about the center line passing through the center of the vertical power supply piece and the center of the hour hand pipe, and an external power source located above the sliding arm. A power supply plate is connected to the power supply plate, a slip ring is located below the sliding arm and supplies power to the lamp in the minute hand via a conductive spring plate, and a slip ring is fixed to the tip of the sliding arm and is connected to the bottom surface of the power supply plate and the slip ring. A hand-illuminated clock consisting of contact points that slide into contact with each other on the top surface.