JP5858676B2 - Parts fixing structure - Google Patents

Description

The present invention relates to a built-in structure such as a spring member that elastically contacts other members. For example, the position of a contact spring used for electrical connection between a solar cell of a solar cell watch and a circuit board and a gear of a watch It is the most suitable structure to control the leaping control member.

Conventionally, there are two structures for electrically connecting a solar cell of a solar cell watch and a circuit board. One is a structure using a contact spring, and the other is a structure using a flexible connecting member.

A dial plate, a timepiece drive unit, a solar cell having an output terminal on the power generation surface and generating power as a power source of the timepiece drive unit, and a contact spring for electrically connecting the output terminal of the solar cell and the circuit board Patent Document 1 has conventionally proposed a timepiece that is annularly arranged on the outer peripheral portion of a dial plate while the power generation surface of the solar cell faces the dial surface.

Further, Patent Document 2 proposes a structure in which a flexible connecting member is thermocompression bonded to an output terminal of a solar cell, not a contact spring, and is connected to a circuit board of a timepiece driving unit.

Japanese Patent Laying-Open No. 2003-130974 (FIG. 1) WO2004 / 066042 (FIGS. 1 and 6)

By adopting the structure as shown in FIG. 1 of Patent Document 1, it is possible to make a solar cell timepiece in which solar cells are arranged in a ring shape using contact springs.

However, the structure of Patent Document 1 has the following problems.
The structure that uses a contact spring to connect the solar cell to the circuit board is that when the contact spring is assembled in the state where the solar cell is assembled first, the contact spring is applied to the positioning protrusion of the contact spring while being applied to the solar cell. Since the fixed portion of the contact spring is inserted, it is difficult to assemble, and the solar cell may be damaged by the contact spring.

Conversely, if the solar cell is assembled later with the contact spring assembled first, it is necessary to assemble the solar cell in a ring shape while flexing by hand so that the contact portion of the contact spring does not contact the solar cell. Because it was, it was very difficult to assemble. That is, the contact spring structure has a problem in assembling workability.

On the other hand, in the case where the structure shown in FIG. 6 of Patent Document 2 is formed by thermocompression bonding of a flexible connecting member to the output terminal of the solar cell as shown in FIG. The assembly workability is improved over the structure.

However, the structure of Patent Document 2 has the following problems.
The structure in which a flexible connection member is thermocompression bonded to the solar cell and connected to the circuit board of the timepiece drive unit is possible because the circuit board and the solar cell are directly connected by the connection member. If it is not a flexible connecting member with flexibility, it will not hold.
In this case, the cost of the connecting member alone is increased, and further, the thermocompression bonding process of the solar cell and the connecting member is performed, so that the cost around the solar cell is increased.

In addition, the structure in which the connection member is connected and fixed to the circuit board with a screw or the like may not be able to obtain a stable contact pressure like a contact spring due to the looseness of the screw. It was necessary to devise.

In the solar cell watch as described above, in order to secure a cost and a stable contact, when adopting a structure that conducts with a contact spring, the previously assembled solar cell is not damaged, and later A structure capable of easily assembling a contact spring is provided.

Another object of the present invention is to improve the efficiency of assembly workability even in the structure of the side pressure spring or the structure of the spring spring by using the same structure as the structure of the side pressure spring or the spring spring for the gear.

The present invention includes a base on which a component is mounted and has a positioning projection;
Other parts disposed in the vicinity of the protrusion,
A working part having a base formed with an opening that engages with the protrusion, and a working part that extends from the base and acts elastically on the other parts;
A fixing member for fixing the working component to the base;
A component fixing structure having
When the working part is fixed to the base by the fixing member from the state where the opening is engaged with the protrusion, the working part is formed so that the working part is pressed against the other parts. A component fixing structure,
The other component is a gear, and the working component is a jumping member;
The action portion includes an elastic portion extending in a planar direction of the base and a jumping portion that is provided at a tip of the elastic portion and meshes with a gear disposed near the mounting surface of the base. the shall be the feature. In addition, a base on which components are mounted and has positioning protrusions;
Other parts disposed in the vicinity of the protrusion,
A working part having a base formed with an opening that engages with the protrusion, and a working part that extends from the base and acts elastically on the other parts;
A component fixing structure having a fixing member for fixing the working component to the base,
When the working part is fixed to the base by the fixing member from the state where the opening is engaged with the protrusion, the working part is formed so that the working part is pressed against the other parts. A component fixing structure,
When the working component is held in contact with the edge of the mounting surface of the base, the opening maintains an obliquely inclined state without facing the projection direction of the positioning protrusion. It is characterized by.

By implementing the present invention, the following effects can be obtained.
When the opening of the action part is engaged in an inclined state without facing the protrusion of the positioning projection, the action part is assembled without acting on other parts. This problem is solved, and even a structure like a contact spring can be easily assembled.

In addition, since the action part can be maintained in an inclined state without acting on the other parts, it is not necessary to hold one arm so that the action part does not come off due to the reaction force of the action part. Since work can be performed, it is possible to improve work efficiency.

It is principal part sectional drawing of the timepiece which has arrange | positioned the solar cell which is Example 1 of this invention annularly on the outer periphery of the dial. It is the top view which looked at the timepiece of Example 1 from the back cover side. It is the top view to which the contact part which has connected the electrode part of the solar cell of Example 1, and the circuit board of a timepiece drive part was expanded. It is principal part sectional drawing which showed the relationship between the positioning hole of the contact spring of Example 1, and the positioning protrusion of a base. It is the top view which looked at the timepiece of Example 1 from the dial side. It is the principal part external view which showed the connection structure of the contact spring of Example 1, and a solar cell. 3 is a plan view illustrating the shape of the solar cell of Example 1. FIG. FIG. 3 is a plan view illustrating a contact spring according to the first embodiment. 1 is a cross-sectional view showing a contact spring of Example 1. FIG. FIG. 3 is a cross-sectional view of a main part showing a state before a contact spring is assembled in the timepiece according to the first embodiment. It is principal part sectional drawing which showed the assembly procedure of the contact spring of Example 1. FIG. It is principal part sectional drawing which showed the assembly procedure of the contact spring of Example 1. FIG. It is principal part sectional drawing which showed the assembly procedure of the contact spring of Example 1. FIG. It is the top view which looked at the timepiece of Example 2 from the case back side. It is the top view to which the contact part which has connected the electrode part of the solar cell of Example 2, and the circuit board of a timepiece drive part was expanded. It is principal part sectional drawing which showed the relationship between the positioning hole of the contact spring of Example 2, and the positioning protrusion of a base. It is principal part sectional drawing in which the assembly | attachment of the components related to the contact spring of Example 2 was completed. It is principal part sectional drawing of the timepiece which has arrange | positioned the solar cell which is Example 2 annularly on the outer periphery of the dial. It is the top view which showed the state in the positioning hole 1-2 of the modification of Example 1 or Example 2. FIG. It is the top view which showed the state in the positioning hole 2-3 of the modification of Example 1 or Example 2. FIG. It is the top view which showed the state with which the operating vehicle of Example 3 and the side pressure spring were assembled. It is principal part sectional drawing which showed the relationship between the positioning hole of the side pressure spring of Example 3, and the positioning protrusion of a base, and the relationship between the side pressure part of a side pressure spring, and an operating vehicle. It is the top view which showed the state in which the side pressure spring of Example 3 was assembled to the middle. It is principal part sectional drawing which showed the relationship between the positioning hole of a side pressure spring and the positioning protrusion of a base when a side pressure spring of Example 3 was assembled halfway, and the relationship between the side pressure part of a side pressure spring, and an operating vehicle. 10 is a plan view of a rechargeable timepiece that is Embodiment 4. FIG. It is the top view which expanded the secondary battery and contact spring which are Example 4. FIG. FIG. 6 is a cross-sectional view of a main part illustrating a structure of a secondary battery and a connection spring, which is Example 4.

Embodiments of the present invention will be described below with reference to the drawings.

[Example 1]
First, the outline | summary of the whole arrangement | positioning of the timepiece which has arrange | positioned the solar cell cyclically | annularly on the outer periphery of the dial plate in a present Example is demonstrated using FIGS.

In FIG. 1, reference numeral 10 denotes a base of the timepiece, and a base plate for incorporating each component, 20 is a circuit board constituting the timepiece drive unit, and 40 is a solar cell that generates electric power that is the source of power of the timepiece. It corresponds to another part of the invention. Reference numeral 50 denotes a contact spring for electrically connecting the circuit board 20 and the solar cell 40, which corresponds to the working component of the present invention. 30 is a base on which the contact spring 50 is mounted, 60 is a contact spring presser that presses the circuit board 20 and the contact spring 50, and 70 is a contact spring 50 and a contact spring presser 60 that presses the contact spring 50 so as not to short-circuit both. An insulating sheet 80 is interposed between the contact spring presser screw 60 for fixing the contact spring presser 60 to the base 30, and 90 is a solar cell base for mounting the solar cell 40 in a ring shape. In this case, the watch movement is also used as an inner frame for holding the watch movement in the outer case. 100 is a watch dial, 110 is a spacer, 120 is a transparent ring for guiding sunlight such as sunlight to the solar cell 40 while making the solar cell difficult to see, 130 is a watch movement equipped with these members, and 140 is these An exterior case 150 for housing the timepiece movement 130 on which members are mounted, and a back cover 150 for covering the exterior case 140 so as not to fall from the exterior case 140 for accommodating the timepiece movement 130.

As shown in FIG. 1, a spacer 110 is disposed on one surface side of the main plate 10, and the dial 100 is mounted on the spacer 110. The base plate 10 is engaged with a solar cell base 90, and a part of the dial 100 is also mounted on the solar cell base 90. The transparent ring 120 is mounted and arranged on the dial plate 100 and the solar cell base 90. A plastic base 30 is disposed on the other surface side of the base plate 10, and the circuit board 20 and the contact spring 50 are disposed and fixed on the base 30.

One of the contact springs 50 is pressed against and fixed to a predetermined electrode pattern of the circuit board 20, and the other is bent toward the base plate 10 along the side surface of the timepiece movement 130. And the front end side is press-contacting to the electrode part 41 of the solar cell 40 mounted in the base 90 for solar cells so that it may arrange | position circularly along the outer periphery of the dial 100. FIG.

As shown in FIG. 5, the solar cell 40 is a substantially elongated rectangular shape when unfolded, and the left end (A end) in the long side direction in the drawing is bent in an L shape so as to slightly protrude in the short side direction. The electrode part 41 for outputting the electric power of the solar cell 40 is provided in the part. A power generation surface 42 is provided from the right side (B end) to the left side (A end) in the figure. Then, as shown in FIG. 5, the power generation surface 42 is bent into a ring shape so as to face inward, and is mounted on the solar cell base 90 as shown in FIG. Has been.

FIG. 2A is a plan view of the entire movement of the timepiece according to the first embodiment when viewed from the back cover side, with the back cover 150 removed. When the time display is viewed, the solar cell 40 electrode portion 41 that contacts the contact spring 50 is arranged at the 6 o'clock position.

FIG. 2 b is an enlarged plan view of the contact spring 50 that connects the electrode portion 41 of the solar cell 40 of Example 1 and the circuit board 20. FIG. 2C is a cross-sectional view of the main part showing the relationship between the positioning hole 52a of the contact spring 50 and the positioning protrusion 32 of the base 30 according to the first embodiment.

As shown in FIGS. 2 b and 2 c, the contact spring 50 is engaged with the positioning protrusion 32 of the base 30.

The structure of the contact spring 50 alone is shown in FIG. FIG. 6 a is a plan view showing the contact spring 50, and FIG. 6 b is a cross-sectional view of the contact spring 50. 6A and 6B, the contact spring 50 has a base portion 51. Positioning holes 52a and 52b are formed in the base portion 51, and a circuit contact portion 56 that contacts the circuit board 20 is provided at an end portion on the positioning hole 52b side. 1 and has an elastic portion 53 bent along the side surface of the base 30 from the mounting surface 31 of the base 30 in FIG. A contact portion 54 that contacts the electrode portion 41 of the battery 40 is provided, and the electric power generated by the solar cell 40 is conducted to the circuit board 20 of the timepiece movement. The size of the hole is set larger than the positioning projection diameter 32. In this case, the electrode part 41 of the solar cell 40 is disposed in the vicinity of the positioning projection diameter 32.

The two positioning holes 52a and 52b of the contact spring 50 are provided in accordance with the external size of the watch. When the external shape is small, the positioning hole 52a is used, and when the external shape is large, the positioning hole 52b is used. It has become.

The shape of the positioning holes 52a and 52b of the contact spring 50 is not limited to a round hole as in the present embodiment, but may be an opening such as a square hole, an elliptical hole, a long hole, or a notch shape. Since round holes are more accurate than parts with other shapes, the round holes are used in this embodiment. Further, when the positioning hole is provided only at one place, it is desirable to provide protrusions such as the restricting protrusions 33a and 33b shown in FIG. 2b on the mounting surface 31 so that the position of the component does not shift.

FIG. 3 is a plan view showing the structure on the dial side, and FIG. 4 is a main part external view simply showing the relationship between the solar cell and the contact spring. The solar cell 40 is shown on the A end side, but the B end side is not shown. 3 and 4, as shown in FIG. 3, the solar cell mounting groove 91 is arranged on the solar cell base 90 so that the solar cell 40 can be assembled on the dial 100 side. As shown in FIG. 4, the L-shaped configuration is adopted so that the electrode portion 41 is brought out to the back cover side as shown in FIG.

Next, a procedure for incorporating the contact spring 50 in the first embodiment will be described.
7 to 10 are cross-sectional views of a main part of the timepiece according to the first embodiment showing the procedure for assembling the contact spring. 7 to 10, the upper side in the figure is the case back side, and the lower side in the figure is the time display unit side.

FIG. 7 is a cross-sectional view of the timepiece before the contact spring 50 is assembled.
Prior to the contact spring 50, the base plate 10, the circuit board 20 of the timepiece driving unit, the base 30, the solar cell base 90, the solar cell 40, the spacer 110, the timepiece dial 100, and the transparent The ring 120 is assembled.

Next, the process of assembling the contact spring 50 is shown in FIGS.
As shown in the figure, the positioning hole 52a of the contact spring 50, that is, the base 51 is engaged with the base 51 in an inclined state without being opposed to the protruding direction of the positioning protrusion 32 of the base 30. Include. By doing so, it becomes possible to assemble the contact part 54 of the contact spring 50 without acting on the electrode part 41 of the solar cell 40. The meaning of not acting in this case means that the contact portion 54 of the contact spring 50 is in light contact with the electrode portion 41 of the solar cell 40 or is separated without contact, and is not in reliable contact. Yes.
At this time, the hole diameter of the positioning hole 52a (52b) of the contact spring 50 is slightly larger than the diameter of the positioning protrusion 32 of the base 30 as shown in FIG. It is important that the protrusion 32 of the base 30 is not caught by the hole edge 55a (55b) of the positioning hole 52a (52b) of the contact spring 50.

As described above, when assembling the contact spring 50, the contact portion 54 of the contact spring 50 is assembled lightly against the electrode portion 41 of the solar cell 40, or assembled separately. If the contact pressure of the contact spring 50 is not applied to the electrode part 41 of the battery 40, there is no difference in the effect of the assembly workability.

The contact spring 50 can be more easily assembled by devising the position of its center of gravity. For example, when the center of gravity of the contact spring 50 is on the base 51 side, when the contact spring 50 is assembled to the position (FIG. 9) that reaches the edge 34 of the mounting surface 31 of the base 30, Using the edge 34 as a fulcrum, the contact portion 54 provided on the elastic portion 53 of the contact spring 50 is in light contact with the electrode portion 41 of the solar cell 40 (corresponding to the electric component of the present invention), and maintains an inclined state. It becomes possible to do. That is, until the contact portion 54 of the contact spring 50 is positioned near the electrode portion 41 of the solar cell 40, the base portion 51 of the contact spring 50 needs to be inclined and assembled. However, after contacting the contact portion 54 of the contact spring 50, the base portion 51 tends to return to the mounting surface 31 of the base 30 by its own weight, so that there is an effect that it can be easily fixed later.

On the other hand, when the center of gravity is on the elastic portion 53 and the contact portion 54 side, the edge 34 of the mounting surface 31 of the base 30 is used as a fulcrum, and the hole edge 55a (55b) of the positioning hole 52a (52b) of the contact spring 50 is formed. Since the base portion 51 is inclined and the contact portion 54 of the elastic portion 53 is easily moved away from the electrode portion 41 of the solar cell 40 by being caught on the side surface of the positioning projection portion 32 of the base 30, the positioning projection portion of the base 30 The positioning holes 52a (52b) of the base 51 are easily inclined at 32 and can be easily assembled.

In this way, regardless of the center of gravity of the contact spring 50, there is an advantageous effect on workability. Therefore, the position of the center of gravity of the contact spring 50 can be appropriately selected and used.

Next, FIG. 10 shows after the contact spring 50 has been assembled. After the contact spring 50 is assembled to the position shown in FIG. 9, an insulating sheet 70 is assembled to prevent the contact spring 50 and the contact spring retainer 60 from being short-circuited, and then a contact spring retainer 60 is assembled to retain them. In order to fix the contact spring, the contact spring holding screw 80 is assembled.
As a result, the base 51 of the contact spring 50 that is inclined obliquely faces the mounting surface 31 of the base 30, so that the contact 54 of the contact spring 50 that did not act on the electrode portion 41 of the solar cell 40. Is pressed against the electrode portion 41 and acts elastically, and the electric power output from the solar cell 40 can be conducted to the contact spring 50.

Further, since the circuit contact portion 56 of the contact spring 50 is also in pressure contact with the circuit board 20 of the timepiece drive unit, it is possible to transmit the power output from the solar cell 40 conducted to the contact spring 50 to the circuit board 20 of the timepiece drive unit. It becomes.
When the timepiece movement 130 is put in the outer case 140, the completed timepiece shown in FIG. 1 is obtained .

[Example 2]
Next, a second embodiment of the present invention will be described. FIG. 11 a is a plan view of the watch of Example 2 as seen from the back cover side;
FIG. 11b is an enlarged plan view of a contact portion connecting the electrode portion of the solar cell and the circuit board of the timepiece driving portion, and FIG. It is. FIG. 12 is a cross-sectional view of a main part in which the assembly of the contact spring related parts of Example 1 is completed, and FIG. 13 is a cross-sectional view of a main part showing the timepiece movement shown in FIG.

The timepiece of the second embodiment has a larger time display area than the timepiece of the first embodiment, and the arrangement position of the annularly arranged solar cells 40 is arranged further outward from the timepiece movement 130 than in the case of the first embodiment. It has a structure.
Therefore, the contact spring 50 moves the position of the contact portion 54 to the outside than in the first embodiment by engaging the positioning hole 52b with the positioning protrusion 32. Since the positioning hole 52b is located behind the positioning hole 52a, the contact portion 54 of the contact spring 50 moves further outward, so that it can be brought into contact with the electrode portion 41 of the solar cell 40.
Thereby, it can come in pressure contact with the electrode part 41 of the solar cell 40 moved to the outside. The assembly procedure of the contact spring 50 is the same as that in the first embodiment, and will not be described.

[Modification]
In the first and second embodiments, the positioning protrusion 32 of the base 30 is provided only at one location for one contact spring 50. However, as shown in FIGS. 14a and 14b, two or more locations are provided on one contact spring. The positioning protrusions 32a and 32b can be engaged and positioned.

When two positioning holes are provided, three positioning holes 52 (52a to 52c) are prepared as shown in FIGS. 14a and 14b, so that the positioning holes 52a, 52b, and 14b of FIG. 14a are prepared. By combining the positioning hole 52b and the positioning hole 52c, the positioning hole can be used in the same manner as a single object.

Example 3
Next, a third embodiment of the present invention will be described with reference to FIGS. 15a to 16b.
FIG. 15a is a plan view showing a side pressure spring mechanism that applies a constant load to one of the gears in order to close backlash of the gear of the watch, and shows a state in which the side pressure spring is applied to the target operating vehicle that receives the side pressure. It is the shown top view. FIG. 15b is a cross-sectional view of FIG. 15a. FIG. 16A is a plan view showing a procedure for incorporating the side pressure spring, and FIG. 16B is a sectional view thereof.

15a and 15b, 230 is a base for incorporating each component, 220 is a display wheel to which a pointer or disk not shown is attached, 240 is an operating vehicle for operating the display wheel 220, and 250 is an operating vehicle. A side pressure spring 260 for performing backlash packing 240 is constituted by a side pressure spring presser for pressing the side pressure spring 250. In this embodiment, the side pressure spring 250 corresponds to the working part of the present invention, and the operating wheel 240 corresponds to other parts.

The side pressure spring 250 has a base 251, and the base 251 is provided with two positioning holes 252 a and a positioning irregular hole 252 b. Further, the base 251 has an elastic part 253 that is bent downward and has elasticity in the plane direction, and has a side pressure part 254 that laterally pressurizes the operating wheel 240 at the tip of the elastic part 253.

The base 230 has a mounting surface 231 on which the base 251 of the side pressure spring 250 is mounted. On the mounting surface 231, positioning protrusions 232 a and 232 b and the side pressure spring 250 when the side pressure spring 250 is assembled on the mounting surface 231. It has the regulation projection parts 233a-233d which regulate the plane direction of the base 251. Further, a position lower than the mounting surface 231 has an operating vehicle mounting surface 234 for mounting the operating vehicle 240 that receives the side pressure from the side pressure spring 250, and the operating vehicle mounting surface 234 has a rotating shaft 235 for the operating vehicle 240. have. In this case, the operating wheel 240 is disposed in the vicinity of the positioning protrusions 232a and 232b.
The positioning hole 252 of the side pressure spring 250 is not limited to a round hole or irregularly shaped hole as in this embodiment, but may be a square hole, an elliptical hole, a long hole, a notch shape, or the like.

The procedure for assembling the side pressure spring 250 is almost the same as that of the contact spring of the first embodiment, but will be described briefly. In FIGS. 16a and 16b, the display wheel 220 and the operating wheel 240 are first assembled to the base 230, and then the side pressure spring 250 is assembled.

At this time, the positioning hole 252a having the side pressure spring 250 and the positioning deformed hole 252b are engaged with each other while being obliquely inclined without facing to the protruding direction of the positioning protrusions 232a and 232b of the base 230. While assembling. In other words, the base portion 251 of the lateral pressure spring 250 is tilted and assembled with respect to the mounting surface 231 on which the positioning protrusions 232a and 232b are formed without facing the mounting surface 231. The direction of tilting is the direction in which the working wheel 240 is arranged. In this way, the working wheel 240 can be assembled without causing the side pressure portion 254 of the side pressure spring 250 to act on the gear portion 241 of the working wheel 240.

At this time, the hole diameters of the positioning hole 252a and the positioning deformed hole 252b of the side pressure spring 250 are slightly larger than the diameters of the positioning protrusions 232a and 232b of the base 230, so It is important that the positioning protrusions 232a and 232b of the base 230 are not caught by the hole edges of the positioning hole 252a and the positioning deformed hole 252b of the side pressure spring 250.

When the side pressure spring 250 is assembled, the side pressure portion 254 of the side pressure spring 250 is assembled lightly against the gear portion 241 of the operating vehicle 240 or assembled separately from the gear portion 241 of the operating vehicle 240. If the side pressure of the side pressure spring 250 is not sufficiently applied, there is no difference in assembling workability.

Further, even when the side pressure spring 250 is a leap spring, the same effect can be obtained.
16A and 16B is assembled with the side pressure spring press 260 that presses the side pressure spring 250, the operation vehicle 240 of FIG. 15 is in a state of being laterally pressed by the side pressure portion 254 of the side pressure spring 250. Since the reaction force of the side pressure spring 250 is received by the restricting projections 233a to 233d of the base 230, the position of the side pressure spring 250 is prevented from shifting. As a result, the side pressure portion 254 of the side pressure spring 250 acts elastically on the operating wheel 240.

Example 4
Next, a fourth embodiment of the present invention will be described.
17a is a plan view of a rechargeable timepiece that is Embodiment 4 of the present invention, FIG. 17b is a plan view of relevant parts of FIG. 17a, and FIG. 17c is a sectional view of relevant parts of FIG. 17b.

In the figure, 340 is a secondary battery block which is a power storage unit of a rechargeable watch, 341 is a secondary battery which is a power storage unit of the secondary battery block, and 342 is a secondary battery lead plate fixed to the negative electrode side of the secondary battery. It is. 320 is a circuit board, and 350 is a contact spring for conducting the circuit board 320 and the secondary battery block 340.

In a rechargeable watch, a secondary battery lead plate that serves as an electrode on the negative electrode side of the secondary battery in order to prevent the primary battery from being charged even if a general watch user mistakenly replaces the secondary battery with the primary battery. 342 is fixed and the secondary battery 341 is blocked. The secondary battery lead plate 342 is disposed so as to protrude from the side surface of the secondary battery 341, and the connection spring 350 led out from the circuit board 320 side is pressed against the end of the secondary battery lead plate 342. Taking continuity.

Normally, the primary battery does not have an equivalent to the secondary battery lead plate 342. Therefore, even if the primary battery is incorporated in the rechargeable watch, the contact spring 350 and the primary battery that are electrically connected to the circuit board 320 can be connected. It cannot be touched.
However, some users of the watch may bother to attach and use a member corresponding to the secondary battery lead plate 342 to the primary battery, and thus it is desired to have a structure in which the secondary battery itself cannot be taken out. It was. However, there is a problem that it is difficult to incorporate the contact spring on the circuit board 320 side after the secondary battery is assembled in the watch in a state where it cannot be removed.

Therefore, in the fourth embodiment, an example in which the present invention is applied to a rechargeable timepiece to solve the problem will be described. In Example 4, the secondary battery block 340 is fixed by the battery holding plate 360 from the upper surface side. Since the battery holding plate 360 covers more than half of the upper surface of the secondary battery 341, it is difficult for a general user to take out only the secondary battery 341. The plastic base 330 has a mounting surface 331 for mounting the contact spring 350, and the mounting surface 331 is provided with a positioning protrusion 332 for positioning the contact spring 350.

The contact spring 350 has a base 351 mounted on the mounting surface 331 of the base 330 and a positioning hole 352 provided in the base 351 for engaging with the positioning protrusion 332. The elastic portion 353 is bent along the side surface of the base 330, and a contact portion 354 for contacting the secondary battery lead plate 342 is provided at the tip of the elastic portion 353.

Since the diameter of the positioning hole 352 provided in the base 351 of the contact spring 350 is larger than the diameter of the positioning projection 332, the base 351 of the contact spring 350 is mounted on the base 330 in the same manner as in the above-described embodiment. A state in which the contact portion 354 of the contact spring 350 is lightly contacted or separated from the secondary battery lead plate 342 by being incorporated obliquely without facing the projection direction of the surface 331 or the positioning projection 332 Can be incorporated.

After that, by incorporating the circuit board 320, the base portion 351 of the contact spring 350 is fixed to face the mounting surface 331 of the base 330, and at the same time, the contact portion 354 is applied to the end of the secondary battery lead plate 342 with a predetermined contact pressure. Hold it elastically.

As shown in each of the embodiments, according to the present invention, it is easy to incorporate components, and productivity can be improved.
In addition, although the action part demonstrated in each Example demonstrated that the action part which acts on other parts was formed by bending from a base part, this invention is not limited to the structure. For example, in the case of Example 1, if the position of the electrode part of the solar cell that is another part and the contact part of the contact spring that is the working part are set to the same height, the contact spring is formed in a flat plate shape. Is something that can be done. In the case of the third embodiment as well, the side pressure spring can be formed in a flat plate shape by setting the position of the gear portion of the working vehicle, which is another component, and the side pressure portion of the side pressure spring, which is the working component, to the same height. Is.

DESCRIPTION OF SYMBOLS 10 Ground plate 20,320 Circuit board 30,230,330 Base 31,231,331 Mounting surface 32,232,332 Positioning projection part 33,233 Control projection part 40 Solar cell 41 Electrode part 42 Electric power generation surface 50,350 Contact spring 51 , 251, 351 Base 52, 252, 352 Positioning hole 53, 253, 353 Elastic part 54, 354 Contact part 55 Hole edge 56 Circuit contact part 60 Contact spring retainer 70 Insulation sheet 80 Contact spring retainer screw 90 Solar cell base (Inner frame)
91 Solar cell mounting groove 100 Dial 110 Spacer 120 Transparent ring 130 Clock movement 140 Exterior case 150 Back cover 220 Display wheel 234 Acting vehicle mounting surface 235 Rotating shaft 240 Acting vehicle 241 Gear portion 250 Side pressure spring 254 Side pressure portion 260 Side pressure spring presser 340 Secondary battery block 341 Secondary battery 342 Secondary battery lead plate 360 Battery holding plate

Claims (3)

A base on which components are mounted and having positioning protrusions;
Other parts disposed in the vicinity of the protrusion,
A working part having a base formed with an opening that engages with the protrusion, and a working part that extends from the base and acts elastically on the other parts;
A fixing member for fixing the working component to the base;
A component fixing structure having
When the working part is fixed to the base by the fixing member from the state where the opening is engaged with the protrusion, the working part is formed so that the working part is pressed against the other parts. A component fixing structure,
The other component is a gear, and the working component is a jumping member;
The action portion includes an elastic portion extending in a planar direction of the base and a jumping portion that is provided at a tip of the elastic portion and meshes with a gear disposed near the mounting surface of the base. Parts fixing structure characterized by A base on which components are mounted and having positioning protrusions;
Other parts disposed in the vicinity of the protrusion,
A working part having a base formed with an opening that engages with the protrusion, and a working part that extends from the base and acts elastically on the other parts;
A fixing member for fixing the working component to the base;
A component fixing structure having
When the working part is fixed to the base by the fixing member from the state where the opening is engaged with the protrusion, the working part is formed so that the working part is pressed against the other parts. A component fixing structure,
When the working component is held in contact with the edge of the mounting surface of the base, the opening maintains an obliquely inclined state without facing the projection direction of the positioning protrusion. Parts fixing structure characterized by 3. The component fixing structure according to claim 1, wherein a diameter of the opening of the working component is larger than a diameter of the positioning protrusion.

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