JPS589373Y2 - Alignment adjustment device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a positioning adjustment device useful for use in, for example, a synthesizer tuner with a program function, and in particular, a scale for displaying received frequencies made on the surface of a long scale plate; The mutual position of the code plate can be easily and quickly aligned with the code pattern programmed on the surface corresponding to the placement position of the scale mentioned above, and the alignment can be finely adjusted with high precision. We are trying to make it possible.

Hereinafter, one embodiment of the present invention will be described based on the drawings.

FIG. 1 shows a synthesizer tuner with a program function incorporating the alignment adjustment device of the present invention, seen from the front, and FIG. 2 shows a mechanical part of the tuner seen from the side, Furthermore, FIG. 3 shows the state as seen from the upper rear side.

As shown in FIG. 1, on the front panel 2 of the radio receiver 1, a scale 5 for displaying AM and FM received frequencies is made visible on the surface of a scale plate 40 through a transparent glass plate 3. A rectangular window portion 6 is formed, and various knobs such as AM and FM operation switches 7.8 and a tuning knob 9 are provided below the window portion 6.

A long scale plate 4 located on the back of the above-mentioned transparent glass plate 3
As shown in FIG. 2, there is a scale display section 10 provided with a scale 5 for displaying the received frequency, and upper and lower guide rail sections 11 that protrude perpendicularly from the surface of the display section 10 toward the back.
．． 12, and on each guide rail portion 11.12, as shown in FIG.
゜14... are arranged.

These markers 13 and 14 are set (referred to as preset) at a position corresponding to the scale 5 for displaying the desired receiving frequency, and are used to indicate the desired receiving station. A large number of markers 13 arranged on the section 11 indicate FM receiving stations, and a large number of markers 14 arranged on the lower guide rail section 12 indicate AM receiving stations.

These multiple markers 13 and 14 are all made of a material such as plastic and have the same shape.

Note that the side plates 13a that constitute this marker 13.14,
14a, as shown in FIG. 2, is formed with a through hole 15.15 for receiving the tip of a catch rod formed in a member of the catcher, which will be described later.

Between each of the upper and lower guide rail parts LL12 and on the back of the scale display part 10, a long code plate 16 is housed in a state shown in FIG. 2.

As shown in FIG. 4, on one side 16a of the code plate 16, a code pattern 17 is provided on the surface of the scale plate 4, which specifies the division ratio of the programmable divider for changing the receiving frequency. A program is formed corresponding to the arrangement of the scale 5 for displaying the received frequency.

This code pattern 17 is composed of a non-signal pattern section 17a and a signal pattern section 17b, and in the illustrated example, these pattern sections 17a and 17b cover the code plate 16 from the 1st bit to the 8th bit. A state in which they are arranged along the length direction is shown.

A common terminal portion 17c is formed next to this 8th bit code pattern portion.

A predetermined number of codes are wired from one end of the code plate 16 having such a code pattern 17 to be connected to a code signal generator (f in the figure).

This coat [16 is indicated by the arrow A in the figure as shown in FIG.
From the direction, each guide rail section 11 above and below the scale plate 4. 1
2, and can slide as appropriate along the longitudinal direction of the scale plate 4 within the guide rail portions 11 and 12 thereof.

Note that this code plate 16 is connected to each of the upper and lower guide rail sections 11.
, 12 along its longitudinal direction, and which function as stoppers, prevent the scale plate 4 from moving toward the back (to the right in FIG. 2) at all. ing.

As shown in FIG. 4, one end of this long code plate 16 has a notch 19 for positioning in the length direction, and the opposite side edges sandwiching this notch 19 have a cutout 19 for positioning in the length direction. A concave engaging portion 20.20 is formed.

Inside the engaging portions 20, 20, a locking pawl 22.2 is formed to protrude from one end of the sliding member 21 as shown in FIG.
2 can be fitted together.

This sliding member 21 slides in the longitudinal direction of the scale plate 4 (in the direction of arrow A or B in FIG. 6), and moves between the scale plate 4 and the code plate 1.
This is for appropriately adjusting the relative positional relationship with 6.
The other end of the sliding member 21, that is, the locking claw 22.
An adjustment screw 24 serving as an adjustment member having a threaded portion on the outer circumferential surface is rotatably supported on the protrusion 23 formed at the end opposite to the adjustment screw 22 .

On the other hand, two bearing members 25 and 26 are integrally attached to both ends of the scale plate 4, as shown in FIG.

Of the bearing members 25 and 26, one of the bearing members 25 has a guide rail portion 11 of the scale plate 4. 12 from both sides, and a mounting part 27 formed so as to be integrally attached to the end of the guide rail part 11.12; ,
A fixed portion 30 having a long hole 29 formed in the center thereof is provided.

A through hole 31 for inserting a set screw is provided between the mounting portion 27 and the long hole 29 of the fixing portion 30.

As shown in FIGS. 6 to 8, a protrusion 32 is formed at the end of the back surface of the fixed portion 30 of the housing, and a protrusion 32 is formed at the center of the protrusion 32, as shown in FIG. As shown, a through hole 33 is formed.

In this through hole 33 and the through hole 34 formed in the protruding portion 23 of the sliding member 21 described above, an adjusting screw 24 having a flange portion 35 at one end as shown in FIG. has been inserted through.

A nut 38 is attached to the adjustment screw 24 in the direction opposite to the flange portion 35 side, and when this nut 38 is rotated and tightened, the sliding member 21 is moved to the arrow B in FIG.
It is designed to be able to slide in any direction.

Next, as shown in FIG.
．． A guide shaft 39 having a circular cross section is rotatably disposed between the guide shafts 26 and 26 .

Note that, as shown in FIG. 5, a concave groove 40 is formed in the guide shaft 39 along the longitudinal direction.

As shown in FIG. 3, a pointer stand 41 is attached to the guide shaft 39, which is movable along the longitudinal direction.

The pointer stand 41 is made of a material such as synthetic resin and has a substantially T-shape as a whole, as shown in FIG.
The front part of this pointer stand 41 has upper and lower guide rail parts 11.
．． 12, and these guide rail parts 11
．． 12, a stopper part 42 functions to prevent the pointer stand 41 itself from rotating in the direction of arrow A or B in FIG. Storage section 4 for storing
Further, a pointer attachment portion 46 for fixing a pointer 45 in a predetermined position is provided at the upper portion of the pointer 4.

The former stopper part 42 is connected to the pointer stand 4 as shown in FIG.
1, two protruding plates 48 protrude forward from the periphery of a through hole 47 for inserting the guide shaft 39, which is formed approximately in the center of the guide shaft 39.
49, a connecting plate 50 that connects these at their tips, and a projecting piece 51 that protrudes vertically in a direction orthogonal to the connecting plate 50 at the center of the connecting plate 50. It is composed of 51.

Since the stopper part 42 is formed in the front part of the pointer stand 41 in this way, the pointer stand 41 can always slide in a stable state with respect to the scale plate 4.

Small protrusions 52, 52 are formed at both ends of the connecting plate 50, and the detachable contact terminals 53 can be attached to predetermined positions on the connecting plate 50 with one touch. ing.

The contact terminals 53 attached to the connecting plate 50 are in sliding contact with the code pattern 17 of the coater 16 described above as shown in FIG. Although it is for detecting a signal, a desired code signal is detected only when the marker and the pointer match each other after the presetting is completed.

The contact terminal 53 is given an elastic force to the whole so that it is always in contact with the code pattern 17 of the code plate 16, and its tip portion is formed into a brush shape.

A catcher member 54 is disposed between the two protruding plates 48 and 49 and on the guide shaft 39.

This catcher member 54 is attached to the front marker 13.
The second
As shown in the figure, a clamping portion 54a having an arc-shaped elastic force is pivotally attached to the guide shaft 39, a guide protrusion 54b is inserted into a concave groove 40 formed in the guide shaft 39, a marker 13, 14 side plates 13a, and a catch rod 54c inserted into through holes 15, 15 formed in 14a.

This catcher member 54 is detachably attached to the guide shaft 39, and its catch rod 54c is attached to the guide shaft 39 so as to be perpendicular to the longitudinal direction of the guide shaft 39.

The catcher member 54 having such a configuration is the third catcher member 54.
Highly flexible release wire 55.5 as shown
The guide shaft 39 is rotated in a predetermined direction by a pair of remote control mechanisms 56 and 56 having a diameter of 5, and is operated in the direction of arrow A or B in FIG.

As shown in FIGS. 2 and 3, the pointer stand 41 having various configurations as described above is integrally connected to the tuning thread 57 by the clamping piece 45b of the pointer 45 attached to the pointer mounting portion 46. ing.

Note that a part of this tuning thread 57 is connected to a dial drum 59 via a large number of pulleys 58.

Next, the operating procedure for presetting markers and selecting a desired reception station using the channel selection device of the present invention having the above configuration will be described.

First, the operating procedure for presetting the marker to the desired receiving station position will be described.

1. As shown in FIG. 1, rotate the tuning knob □9 in a predetermined direction while looking at the pointer 45 to drive the tuning thread 57.
The pointer stand 41 is moved in the longitudinal direction of the guide shaft 39 (direction of arrow A or B in FIG. 3) via Each upper and lower guide rail section 11. Any one of the multiple markers 13 and 14 placed on 12, for example F
Match marker 13 for M.

When the pointer 45 and the marker 13 exactly match, press one of the FM operation switches 8 of the operation switches 7 and 8 provided on the front panel 2, and the remote control is activated by this suppression. The guide shaft 39 is rotated in the direction of arrow A in FIG. 2 through the mechanism 56 and a rotation cam means 60 provided on the bearing member 26 and rotated in a predetermined direction by the self-operating mechanism 56.

When the guide shaft 39 rotates in the six directions indicated by the arrows in FIG. Since it is located directly below the formed through hole 15, its tip 54d moves in the direction of arrow A in FIG. 2 about the guide shaft 39, and as shown in FIG. The catcher member 54 and the marker 13 are inserted into the hole 15 .
and are connected to each other.

Therefore, while pressing the FM operation switch 8 to maintain such a connected state, the tuning knob □9 is rotated again, and the marker 13 is forcibly moved by the catch rod 54c of the catcher member 54. The desired reception station is placed along with the pointer 45 in the longitudinal direction of the upper guide rail section 11! to move it.

Once the index portion 45a of the pointer 45 has been moved to the desired position 1 of the scale 5 for displaying the reception frequency, the pressing force on the FM operation switch 8, which automatically returns to its original state, is released at that position. , release wire 55 of the remote control mechanism 56,
The guide @39 is rotated at O to the original state before rotation via the rotation cam means 60a.

When the guide shaft 39 rotates at 1 to its original state, the catch rod 54e of the catcher member 54 rotates at position 1 shown by the two-dot chain line in FIG. 13 to the outside from the through hole 15.

Therefore, the marker 13 and the catcher member 54 are
Since they are not connected to each other, the marker 13 is installed at the position of the desired reception station on the scale plate 4 and stopped there, completing the presetting.

Once the above operations are completed, rotate the tuning knob 9 again to set the pointer 4 at position 1 of the other marker.
5 and preset markers for the desired number of broadcast stations using the same operating procedure as described above.

Next, the operating procedure for selecting a desired broadcasting station will be explained.

When selecting a station, rotate the tuning knob 9 without pressing any of the operation switches 7° and 8.
It is only necessary to align the pointer 45 with one of the markers 13 and 14 preset at the position of the desired receiving station by the above-described operation.

When the pointer 45 coincides with one of the markers 13.14, the tip of the code detection contact terminal 53 is located at a predetermined position on the code pattern 17 of the code plate 16 at this point. The contact terminal 53 detects a predetermined coat signal from the code pattern 17 and supplies this signal to a code signal generator, which further supplies a signal specifying the frequency division ratio of the program full divider to the divider etc. Then, the desired broadcasting station is selected.

Presetting and channel selection are performed through the operating procedure described above.

By the way, the scale plate 4 and the code plate 16 used in such a tuning device are manufactured through separate manufacturing processes, but in order to obtain a good tuning condition, the code plate 16 is
The code pattern 17 formed on the scale plate 4 and the scale 5 formed on the scale plate 4 need to be finally assembled integrally while adjusting their mutual positional relationship to match each other.

However, it is extremely difficult to manually adjust the mutual positional relationship between the scale 5 of the scale plate 4 and the code pattern 17 of coat "&16" with high accuracy.

In this regard, in the present invention, as shown in FIGS. 6 to 8,
Since the alignment adjustment device is provided at the end of the scale plate 4, the alignment between the scale plate 4 and the code plate 16 can be performed extremely easily and quickly, and with high precision.

Therefore, the procedure for adjusting the position of the code plate 16 with respect to the scale plate 4 will be explained according to FIGS. 6 to 8.

1. First, in the longitudinal direction of each of the upper and lower guide rail parts 11.12 formed on the back surface of the scale plate 4, the guide rail parts 11.
The code plate 16 housed between the scale plate 12 and the back of the scale plate 4 is slid as appropriate, and one end of the code plate 16 is made to protrude outside the scale plate 4 (see FIG. 6).

Next, a code plate 16 protrudes from one end of the scale plate 4 to the outside.
As shown in FIG. 6, the locking claws 22 and 22 of the sliding member 21 are inserted and engaged into the engaging portions 20.20.

After the locking pawl 22.22 of the sliding member 21 has been inserted into the engaging portion 20.20, use a wrench to tighten the nut 38.
is tightened, and the sliding member 21 is slid in the direction of arrow B in FIG. 6 at a position 1 where the code pattern 17 formed on one side 16a of the code plate 16 coincides with the scale 5 of the scale plate 4.

When the mutual positions of the scale plate 4 and the code plate 16 match, as shown in FIG. 7, a set pin or set screw 60 is inserted into the through hole 31 of the bearing member 25. The cord plate 16 is fixed to a predetermined position of the bearing member 25 via the set screw 60.

When the fixation of the coat ''&16 is completed, the nut 38 is reversed and removed from the adjustment screw 24, and the adjustment screw 24 is inserted into the through hole 3 of the protrusion 32 of the bearing member 25.
Extracted from 7.

Then, attach the locking claws 22, 22 of the sliding member 21 to the code plate 16.
The sliding member 21 is removed from the bearing member 25 by pulling it out from within the engaging portion 20.20.

By such a simple procedure, the code plate 16 to the scale plate 4 can be
Since the alignment of the code plate 16 is completed, it is not only possible to adjust the alignment extremely easily and quickly, but also to adjust the alignment of the code plate 16 with higher precision than when doing it manually.
and scale plate 4 can be aligned with each other.

Next, FIG. 10 shows another embodiment of the alignment adjustment device of the present invention, in which a turnbuckle 61 is used as the adjustment member.

In such a position adjustment device, when the turnbuckle 61 is rotated in a predetermined direction, the left and right connecting rods 62 and connecting screws 63 are tightened or pushed open in the direction of arrow A or B in FIG. 21
a slides to the desired position.

Therefore, since the code plate 16 also slides at a desired position 1, the mutual positional relationship between the coat &16 and the scale plate 4 can be adjusted.

In addition, after adjusting the position, use the setscrew to
6 to the bearing member 25 is the same as in the previous embodiment.

As is clear from the above description, the present invention has a simple structure that combines the scale for displaying the received frequency on the surface of the scale plate and the code pattern programmed on one side of the code plate. This has the effect that the mutual positional relationship can be precisely aligned easily and quickly.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a front view showing a synthesizer tuner with a program function incorporating the present invention; FIG. 2 is a side sectional view thereof; and FIG. Partially cutaway rear perspective view showing the synthesizer tuner, No. 4
The figure is a partially cutaway front view showing the code plate, Figure 5 is an exploded perspective view showing the ridge plate and pointer stand (excluding the pointer) before the code plate is inserted, and Figures 6 to 8 are This is a partially omitted front view showing the procedure for aligning the scale plate and the code plate using the alignment adjustment device of the present invention. Fig. 10 is a partially omitted front view showing another embodiment of the present invention. 4... Scale plate, 5... Scale for displaying received frequency, 1
1゜12...Guide rail part, 16...Code plate,
17... Code pattern, 20... Engaging portion, 21.
21a...Sliding member, 22...Latching claw, 24...
Adjustment screw (adjustment member), 25.26...Bearing member, 3
9... Guide shaft, 61... Turnbuckle (adjustment member).

Claims (1)

[Scope of utility model registration request] Rotating a guide shaft that is integrally attached to one end of a long scale plate 4 with a scale for displaying received frequency on its surface and arranged parallel to the scale plate on the back of the scale plate. An adjustment member 24 fixedly or removably attached to bearing members 25 and 26 which are freely supported is provided at one end, and an adjustment member 24 is formed at the other end so as to protrude integrally at a predetermined interval from the back surface of the scale plate. An engaging portion 20 is formed with a notch in one end of the code plate 16, which is housed between the pair of guide rails 11 and 12 and on the back of the scale plate so as to be slidable in the longitudinal direction of the scale plate. A code plate is provided with a pair of locking pawls 22 that fit each other, and is programmed to correspond to the arrangement of the scale at the position of the scale for displaying the received frequency on the scale plate by operating the adjustment member 24. code pattern 1
The sliding member 21, 21a is slid in the longitudinal direction of the scale plate until the scales coincide with each other, and the code plate is fixed to the bearing member at the point where the scales and the code pattern coincide with each other. alignment adjustment device.