JPS58159208A - Head relay terminal of video tape recorder - Google Patents

Abstract

PURPOSE:To make the connection easy and to attain the automation and cost reduction, by inserting a pin insulator having conductors to a fitting hole of a cylinder and connecting both ends of the conductor to a printed board and a head. CONSTITUTION:The pin insulator 10 to which a bare conductor 11 is inserted along a shaft center, is inserted and kept in a fitting hole 4 through upper and lower part of a cylinder 1. A lower projection 12 of the conductor 11 is soldered to the printed board 3 and an upper projection 13 is connected to a head 2. The lower end of the insulator 10 is formed as taper 16, several latch projections 17 are provided at the outer circumference to make the insertion to the hole 4 easy, and the tolerance of size of the insulator 10 to the hole 4 is relieved. Thus, the connection of the conductor 11 is made easy and the insertion of the insulator 10 is automated.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a head relay terminal used for electrically connecting a head mounted on a VC at the upper part of the cylinder and a printed circuit board disposed at the lower part of the cylinder in the assembly process of the upper cylinder of a video tape recorder. Regarding.

Currently, the electrical connection between the head and the printed circuit board as described above is performed by the method illustrated in Figure @1.
In the figure, l is the cylinder, the head is placed on the 2Fi cylinder 1, and the 3Fi cylinder is the cylinder.

The printed circuit board placed in the 1st part, 4 is in the cylinder 1!
First, connect one end of lead 4iL5 to the contact point of head 2 with 6I, and then connect lead wire 6 using a screw set or the like. After inserting the lead wire 6 into the mounting hole 4 with a screw, the other end of the lead wire 6 is soldered 6g to the printed circuit board 3 to electrically connect the head 2 and the printed circuit board 3. However, since this connection work process is entirely manual, there are some soldering points that have extremely low productivity.

On the other hand, in the future, in order to make video tape recorders more multi-functional, improve image quality during playback, eliminate noise, etc., we will develop multi-hennode types that have three, six or three henodes on one cylinder. There is a trend toward the adoption of special heads, which increases the number of connection points between the head and the printed circuit board in one cylinder.

There is currently a strong desire to improve the productivity of this connection work.

The present invention was developed in response to the above-mentioned demands, and its purpose is to provide a pad relay terminal that can replace the lead wire 6 and allow VC connection to be performed extremely easily and quickly. It is in.

Another object of the present invention is to provide a pad relay terminal that is simple in structure, inexpensive to manufacture, and easy to automate connection work.

In order to achieve the above object, the present invention provides a cylinder with 9I&
(b) A conductive wire f is embedded through the pin-shaped insulator in its longitudinal direction, one protruding end of the conductor is connected to a printed circuit board disposed at the bottom of the cylinder, and the other four protrusions are connected to the It is characterized by a head f connection structure Kdl arranged at the top of the cylinder.

Hereinafter, embodiments of the present invention will be described based on the drawings. @2
The figure shows an uninvented head relay terminal. -lO is a pin-shaped insulator that forms the main body, and the mounting hole of the cylinder 1 is made of an insulating hard plastic material made of Duracon (product name LAI) mixed with glass fiber. It is molded into a size and shape that allows it to be inserted into and fixedly held in the tube. The pin-shaped insulator 10
At the time of molding K, the bare conductor 11 is buried in the shape I penetrating the pin-shaped insulator 10 along the axis, and the terminal portion connects the downward protrusion 12 of the bare 4FI wire 11 to the printed circuit board 3. It has a structure in which an upwardly protruding portion 13 is used as a terminal portion for connecting to the head 2. The protrusion 12Fi protrudes linearly so that when the pin-shaped insulator 10 is inserted into the mounting hole 4, it is directly inserted into the connection hole 14 of the printed circuit board 3.
As shown in Figure 3, the connecting hole 14 is arranged coaxially with the mounting hole 4 of the cylinder head 1 at the same position. On the other hand, in order to facilitate connection to the head 2, the protrusion 13#'i is bent to extend to the contact point of the head 2.

The connection between the protrusion g12 and the printed circuit board 3, and between the protrusion 13 and the hemlock 2 is done by soldering 16I and 1 in the same manner as before.
It shall be held at 68.

As shown in FIGS. 2 and 3, the pin-shaped insulator 10 preferably has its lower end formed with a tapered shape 16 so that it can be easily inserted into the mounting hole 4. In addition, in order to securely hold the pin-shaped insulator 10 inserted into the mounting hole 4, the pin-shaped insulator 10 is fixed as shown in FIG.
0 outside 1i1tki [several locking protrusions 1 extending in the axial direction
7, or as shown in Fig. 4(b), a pin-shaped insulator 1
It is desirable to form the cross-sectional shape of 0 into a rectangular shape. By doing this, it is possible to make the dimensional tolerance of 1° of the pin-shaped insulator relative to the mounting hole 4 into a rough L, which makes manufacturing easier and allows for insertion using the self-spinning insertion stone.
There are also benefits that can make it easier.

5 to 87 each show different embodiments, and FIG. 5 shows one pin-shaped insulator 10 with two bare conductors 1
This is an example in which the connection work can be carried out more efficiently by burying the pin-shaped insulator 10, and FIG. It serves as a positioning stopper for regulating the insertion depth of the pin-shaped insulator 10 into the hole 4, and furthermore, in Figure 87, a covered lead 4119 is buried in the pin-shaped insulator 10 instead of the bare conductor 11, In this case, the coating on the protruding ends gi2 and 13 is to be peeled off. Using the covered lead wire 19 in this manner has the effect of preventing short-circuit accidents in cases where the protruding end @ 13 connected to the head 2 needs to extend long.

As mentioned in theory #1 below, an uninvented head relay terminal,
A pin-shaped insulator with a conducting wire embedded in a through-hole shape is inserted and held in the mounting hole of the cylinder plate, and the ends of the conducting wire protruding from the FK are connected to the head and the printed circuit board, respectively. Connection work is extremely easy and quick compared to connection using lead wires, and cylinder assembly-E
It is possible to transfer the same amount of productivity to the middle school. Moreover,
dlzo is Ili! However, it has the advantage that it is easy to manufacture and can be provided at low cost. In addition, it is easy to automate the insertion of the bottle-shaped insulator into the mounting hole f, and if a single pin insertion machine and a single soldering device are combined, a total of 11 pins can be installed without OI'.

[Brief explanation of the drawing]

Figure @1 is a vertical cross-sectional view of the main part of the conventional head connection device Ii1, Figure @2 is 4118 in the pad related to unreleased! Figure @3 is a vertical cross-sectional view of the # part showing the bend contact kk device using the middle a pane, and Figure @4 is the fitting-shaped base for the mounting hole of the connector and the bin-shaped insulator. Transverse plan view 2 Figure 5 to @
Figure 7 is a diagram showing different embodiments.
11...Conducting wire 12.13...Protruding end of the conducting wire 1
6... Taper surface 17... Locking protrusion 18...
7 Rung portion 19...Submerged conductor Figure 1 Figure 2 l4aa Figure 5 Figure 7 Figure 7

Claims (1)

[Scope of Claims] l Four wires are embedded in a bottle-shaped insulator that is inserted and held in a vertically penetrating mounting hole drilled in a cylinder, passing through it in the longitudinal direction, and one protruding end of the conductor wire is embedded. The head of the Z video tape recorder is connected to the printed circuit board disposed at the bottom of the cylinder, and the other four protrusions are connected to the head disposed at the top of the cylinder. Relay terminal. 2. The head relay terminal according to item 1, wherein the lower end of the pin-shaped insulator is formed into a tapered surface. 3. The gutter relay terminal according to claim 1 or @2, wherein a locking protrusion extending in the axial direction is provided on the outer periphery of the bottle-shaped insulator. 4. The head relay terminal according to any one of Items 1 to 3 below, wherein seven rung portions are arranged in series at the upper end of the bottle-shaped insulator. 5) A41° in the head according to any one of claims 1 to 4, wherein the ir conductor is a coated wire, and the insulating coating on the protruding end thereof is peeled off.