JPS6123867Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the structure of a piezoelectric vibrator holding device, and more particularly to a piezoelectric vibrator holding device that securely and easily holds a piezoelectric vibrator.

A piezoelectric vibrator is a device in which electrodes are provided on both sides of a piezoelectric crystal plate such as quartz, and an electric signal is applied between the electrodes to cause the piezoelectric crystal plate to vibrate.It is usually held in a holding device and used. . FIG. 1 is a front view of a conventional holding device. As shown in Fig. 1, in the conventional device, lead terminals B and C made of metal wires are held through a base part A made of an insulating material such as glass or ceramic material, and spring plates are attached to the tips of these lead terminals B and C. A holding device is constructed by welding support members D and E consisting of the following by a spot welding method or the like. Then, a piezoelectric vibrator I having electrodes G and H provided on both sides of the piezoelectric crystal plate F is positioned between supporter members D and E, the tip of the supporter member D and the lead-out portion of the electrode G are soldered, and the supporter Tip of member E and electrode H
The piezoelectric vibrator is attached to the holding device by soldering to the drawer part of the holding device, and is covered with a metal case (not shown).

In the conventional holding device as described above, the base portion is made of an inorganic insulating material such as glass material.
The disadvantage is that it takes a considerable amount of man-hours to penetrate and fix lead terminals B and C, and it is also quite troublesome to weld support members to the tips of lead terminals B and C, which increases the cost of the crystal resonator. There is.

The purpose of this invention is to improve the above-mentioned drawbacks of the conventional piezoelectric vibrator, and its purpose is to securely hold the piezoelectric vibrator, completely connect the electrodes and lead terminals, and provide an inexpensive piezoelectric vibrator. An object of the present invention is to provide a holding device.

Hereinafter, one embodiment of the present invention will be described in detail using the drawings.

FIG. 2 is a top view showing the first embodiment of the present invention. In FIG. 2, reference numeral 1 denotes a base portion made of synthetic resin, through which a pair of lead terminals 2 and 3 pass, and connecting portions 2a and 3a are formed at the tips thereof. Column-shaped supporter parts 4 and 5 are formed on both sides of the base part 1. A groove 4 into which a piezoelectric vibrator is fitted is provided inside the supporter parts 4 and 5.
a and 5a are formed. In this embodiment, a groove 1a into which a piezoelectric vibrator is fitted is provided on the upper surface of the base portion 1. 6 is a piezoelectric vibrator having electrodes on both sides, grooves 4a, 5a and 1
a, the lead portion 7 of the electrode provided on one surface of the piezoelectric vibrator 6 contacts or comes close to the connection portion 3a of the lead terminal 3, and the lead portion of the electrode provided on the other surface contacts or approaches the connection portion 3a of the lead terminal 3. 8 is in contact with or close to the connection portion 2a of the lead terminal 2. This indicates that the surface direction of the piezoelectric vibrator fitted in the groove and the direction in which the lead terminals 2 and 3 are connected are slightly different from each other. If you look at the diagram, it becomes even clearer. Note that the connection portion of the lead terminal and the lead portion of the electrode are electrically and mechanically connected using a conductive adhesive or soldering, and the piezoelectric vibrator is mounted on a holding device.

Figures 4a and 4b are top and front views showing a second embodiment of the present invention. In the second embodiment, a protruding auxiliary supporter part 9 is provided on the upper surface of the base part 1, and a groove 9a is provided on the protruding auxiliary supporter part 9. Incidentally, in FIG. 4, the same parts as those in the above embodiment are denoted by the same reference numerals, and the explanation thereof will be omitted.

In this embodiment, the groove 4 into which the piezoelectric vibrator fits
The line segment connecting a, 5a, and 9a is inclined with respect to the line segment connecting the pair of lead terminals 2 and 3. Therefore, when the piezoelectric vibrator 6 is guided into the grooves 4a, 5a, and 9a, the lead portion of the piezoelectric vibrator comes into contact with the connecting portion of the lead terminal, making connection work such as soldering easier. .

Figures 5a and 5b are top and front views showing a third embodiment of the present invention. In the third example,
A notch 10 is provided on the upper surface of the base portion 1, and auxiliary support portions consisting of grooves 10a and 10b are formed on both sides of the notch 10. In FIG. 5, the same parts as in the first embodiment are denoted by the same reference numerals, and the explanation thereof will be omitted.

In this embodiment as well, the line segment connecting the grooves 4a, 5a, 10a, and 10b into which the piezoelectric vibrator fits is inclined with respect to the line segment connecting the pair of lead terminals 2 and 3. As in the example, when the piezoelectric vibrator is fitted into the groove, the lead portion of the piezoelectric vibrator comes into contact with the connecting portion of the lead terminal, thereby facilitating the connection work.

Note that in the embodiments of the present invention, explanations regarding attachment of the case are omitted.

As explained in detail above, according to the present invention,
By forming grooves for the auxiliary supporter part in the base part, providing supporter parts with grooves at both ends of the base part, and sliding the piezoelectric diaphragm into the grooves, the piezoelectric vibrator can be made more accurate by the auxiliary supporter part and the supporter part. Since the electrode and the connecting portion of the lead terminal are in contact with or close to each other, soldering becomes easy. Further, by providing the supporter part, there is no need to weld and secure the supporter member to the lead terminal as in the conventional case. Furthermore, since the base portion is made of synthetic resin, it can be formed by molding. Therefore, by using the present invention, it is possible to provide a piezoelectric vibrating element that is easy to assemble and is inexpensive.

[Brief explanation of the drawing]

Figure 1 is a front view of the conventional device, Figure 2 is a front view of the first embodiment of the present invention, Figure 3 is a top view of the same, and Figures 4a and b are top views of the second embodiment of the present invention. Figures 5a and 5b are top and front views of a third embodiment of the present invention. In the figure, 1 is a base part, 1a is a groove, 2 and 3 are lead terminals, 2a and 3a are connection parts, 4 and 5 are support parts, 4a and 5a are grooves, 6 is a piezoelectric vibrator, 7 and 8 are leads Department.

Claims (1)

[Scope of utility model registration request] A holding member is provided in which a pair of lead terminals with the tips as connecting portions are passed through a synthetic resin base portion in which grooves are formed in an auxiliary supporter portion, and grooves are provided inside the base portion at both ends to form supporter portions. A piezoelectric vibrator holding device comprising: a piezoelectric vibrator holding device, wherein a connection portion of a lead terminal and an electrode of the piezoelectric vibrator are connected to each other while the piezoelectric vibrator is held by the supporter portion and the auxiliary supporter portion.