JPS5855776Y2 - Antenna trimmer mounting device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an antenna reamer mounting device for matching an antenna with a transmitter/receiver.

Fig. 1 shows an exploded perspective view of a conventional antenna reamer mounting device.An antenna reamer 1, also called a ceramirac reamer, has one lead wire 2 and a pair of ground wires 3 and 4. The ground wires 3 and 4 are inserted into holes 6 and 7 provided in a metal plate 5 for mounting and are soldered.

However, in such a conventional structure, the ground wire 3
, 4 into the holes 6 and 7 of the sheet metal 5, and then bending and soldering them. This not only makes the installation work inefficient, but also causes the solder to escape from the rotating body of the anti-natinal trimmer 1. There was a fear that it would spill over.

In addition, as shown in FIG.
1, the ground wires 3 and 4 are bent and soldered, and the printed circuit board 8 is further attached to the chassis 13 using mounting screws 12.

However, such a conventional structure not only has the same problems as mentioned above, but also has problems with the printed circuit board 8 and the mounting screws 1.
Since the second grade is required, there is a problem in that material costs and processing costs increase.

Furthermore, as shown in FIG. 3, the groove 15 provided on the circumferential surface of the antina trimer 1 is inserted into the U-shaped notch 14 provided on the mounting plate 5, and the tip claws 16 and 17 of the mounting plate 5 are bent. It is also known that the anti-natinal trimmer 1 is fixed, but in this case, the ground cannot be completely removed just by inserting the anti-natinal trimmer 1, so there is a problem that the ground must be connected with a lead wire. there were.

In order to eliminate such drawbacks, the present invention provides a grounding plate on the anti-natinal trimmer, inserts the groove provided in the anti-national trimmer into the notch in the mounting plate member, and makes contact between the ground plate and the mounting plate member. The present invention provides an antenna reamer mounting device configured to do the following.

FIG. 4 shows an exploded perspective view of an embodiment of the antenna reamer mounting device according to the present invention, in which 21 is the antenna reamer, 22 is a lead wire, 23 and 24 are ground plates, 25 is a groove, and 26 is a mounting device. In the sheet metal, 27 indicates a U-shaped cutout, and 28.29 indicates a hole.

Moreover, FIG. 5 shows an enlarged view of the ground plate 23 and 24 portions in FIG. 4, and 30 is a cut-out portion made of a spring member;
31 is a protrusion.

As can be seen from FIG. 4, the antina reamer 21 is provided with a lead wire 22 in its axial direction, a pair of ground plates 23 and 24 are attached in its radial direction, and grooves 25 and 25 are attached to its circumferential surface. is provided.

Further, the ground plates 23 and 24 are provided with cut-and-raised portions 30, which act as springs.

Then, a protrusion 31 is provided inside the tip portion of the cut-out portion 30.
is provided.

On the other hand, there is a U-shaped notch 27 in the center of the upper end of the mounting plate 26.
are provided and holes 28, 29 are drilled on both sides.

In such a configuration, when installing the antina trimer 21, or inserting the groove 25 of the antina trimer 21 into the U-shaped notch 27 of the mounting plate 26,
Attach the cut-out portions 30 of the ground plates 23 and 24 to the metal plate 2.
6 so that the protrusions 31 enter the holes 28 and 29.

This completely removes the ground.

In this way, in order to attach and ground the antenna trimmer 21, it is only necessary to insert it into the notch of the attachment plate 26, which greatly improves work efficiency.

Further, since special parts such as a printed circuit board as in the conventional case are not required, it is advantageous in terms of material costs and processing costs.

Furthermore, there is no risk of solder flowing into the rotating part of the trimmer as in the prior art.

In addition, the ground plate of the anti-natinal trimmer 21 is attached to the metal plate 26.
It may also be crimped.

As described above, according to the present invention, it is possible to obtain an antina reamer mounting device that has excellent workability and has a small number of parts.

[Brief explanation of drawings]

1 to 3 are exploded perspective views of a conventional antina reamer attachment device, FIG. 4 is an exploded perspective view of an embodiment of an antina reamer attachment device according to the present invention, and FIG. 5 is an exploded perspective view of a conventional antina reamer attachment device. FIG. 21 is the anti-natinal trimmer, 22 is the lead wire, 23.24
25 is a groove, 26 is a mounting plate, and 37 is a U-shaped notch.

Claims (1)

[Scope of utility model registration request] A pair of ground plate members are provided radially and integrally on the anti-natina trimmer so as to be electrically connected to one terminal thereof, and the grooves on the circumferential surface of the anti-natina trimmer are inserted into the notches of the mounting plate member. , an antina trimmer is fixed to the mounting plate member by fixing the ground plate member to the mounting plate member, and the ground plate member is electrically connected to the mounting plate member. Reamer attachment device.