JPH02273301A - Rotary head drum device - Google Patents

Abstract

PURPOSE:To reduce components by engaging a rotary drum unit consisting of a magnetic head, a connector, a head base and a rotary drum to a rotary body unit by means of a pin header and the connector. CONSTITUTION:At the time of recording, when a rotary drum 11 is rotated, a signal is transmitted in the sequence of a rotary transformer rotary side member 16, repeating terminals 17a and 14a, and a magnetic head 13, and at the time of reproducing, the signal is transmitted in the reverse sequence. Only by engaging the rotary drum unit consisting of the rotary drum 11, a head base 12, the magnetic head 13, a connector 14, the repeating terminal 14a to the rotary unit consisting of a sleeve 15, a rotary transformer rotary side member 16, a pin header 17, and the repeating terminal 17a, the repeating terminals 14a and 17a are engaged and brought into contact with each other, a soldered part is reduced, the section between the rotary side member 16 and the magnetic head 13 is conducted, and the components can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a rotary head drum device that can be used in video tape recorders and the like.

Conventional technology FIG. 2 is a sectional view of a conventional rotary head drum device.

1 is a rotating drum, 2 is a mesareta head base screwed to the rotating drum 1, 3 is a magnetic head fixed to the helad base 2, 4 is a printed board for the head fixed to the helad base 2, and the winding end of the magnetic head 3 is fixed to the helad base 2. parts are soldered. A head relay terminal 5 is inserted into a through hole of the rotating drum 1, and has one end of the relay terminal 5a held by the head relay terminal 5 soldered to a printed board 4, and the other end soldered to a printed board 6 for the rotating drum, which will be described later. , 6 is a printed board for the rotating drum placed on the upper surface of the rotating drum 1, 7 is a sleeve coaxially fitted to the rotating drum 1, 8 is a rotary transformer rotating side member fixed coaxially to the sleeve 7, 9 The rotary transformer relay terminal 3 is fixed to the rotary transformer rotating side member 8, and the winding end of the rotary transformer rotating side member 8 is soldered to the base of the relay terminal 9a held by the rotary transformer relay terminal 3. The tip of the relay terminal 9a is soldered to the rotating drum printed board 6.

The operation of the conventional rotary head drum device configured as described above will be explained.

When the rotary drum 1 rotates, in the case of recording, a signal is transmitted to the rotary transformer rotating side member 8. Relay terminal 9a, printed board for rotating drum 6. Relay terminal 5a.

Flint board for head 4. It is transmitted in the order of magnetic head 3,
During playback, the opposite is true.

Problems to be Solved by the Invention However, the above configuration has the problem that there are many soldering points and a large number of parts in order to connect the rotary transformer rotating side member 8 and the magnetic head 3. .

In view of the above problems, the present invention provides a rotary head drum device that can reduce the number of soldering points and the number of parts.

Means for Solving the Problems In order to solve the above problems, a rotary head drum device of the present invention includes: a magnetic head for recording and reproducing; a connector co-molded with a conductive metal; a head base to which a connector is fixed; a lower rotating ram to which the head base is screwed; a sleeve coaxially fitted to the rotating drum; a rotary transformer rotating side member coaxially fixed to the sleeve; The magnetic head comprises a conductive metal fixed to the rotary transformer rotating side member and a pin header molded at the same time.

The sleeve includes a rotating drum unit consisting of a connector, a head base, and nine rotating drums.

The rotary transformer has a structure in which the pin header and the connector are fitted together when the rotary transformer rotation side member and the pin header are fitted into the rotating body unit.

Function The present invention can reduce the number of soldering points and the number of parts by using the above-described configuration.

5. Example Hereinafter, a rotary head drum device according to an example of the present invention will be described with reference to the drawings. FIG. 1 is a sectional view of a rotary head drum device according to an embodiment of the present invention. 11
12 is a rotating drum, 12 is a head base fixed to the rotating drum 11 with screws, 13 is a magnetic head fixed to the helad base 12, 14 is a connector molded at the same time as the relay terminal 14a, fixed to the head base 12, and the magnetic head The winding end portion of No. 13 is soldered to the relay terminal 14a. 1
5 is a sleeve coaxially fitted to the rotating drum 11; 16;
17 is a rotary transformer rotating side member coaxially fixed to the sleeve 15, and 17 is a rotary transformer rotating side member 16.
The pin header 17 and the relay terminal 17a are molded at the same time, and fit into contact with the relay terminal 14a, which is molded at the same time as the relay terminal 17a and the connector 14. The winding ends of member 16 are soldered.

The operation of the rotary head drum device configured as described above will be described below.

When the rotating drum 11 rotates, in the case of recording, a signal is transmitted to the rotary transformer rotating side member 16. The signal is transmitted to the relay terminal 1, the relay terminal 14a, and the magnetic head 13 in this order, and in the case of reproduction, the order is reversed. Here, the rotating drum 1 of this embodiment
1. Head base 12° magnetic head 13. Connector 14
．． Relay terminal 14a.

A rotating drum unit composed of three 7”
15. Rotary transformer rotating side member 161 pin header 17. By simply fitting into the rotating body unit constituted by the relay terminal 17a, the relay terminal 14a and the relay terminal 17a
The mating contacts are made and soldered! By reducing i[, electrical continuity between the rotary transformer rotation side member 16 and the magnetic head 130 can be obtained, and the number of spare parts can also be reduced.

As described above, according to this embodiment, it is possible to reduce the number of soldering points and the number of parts for the rotary head drum device.

Effects of the Invention As described above, the present invention can reduce the number of soldering points and the number of parts for a rotary head drum device.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a rotary head I/ram device according to an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional rotary head drum device. 11...Rotating F ram, 12...Head base, 13...Magnetic head, 14...
・Connector, 14a...Relay terminal, 15...--Sleeve, 16... ・Rotary transformer rotating side member,
1 completed...Pin header, 17a...Relay terminal.

Claims (1)

[Claims] A magnetic head for recording and reproducing, a connector co-molded with a conductive metal, a head base to which the magnetic head and the connector are fixed, a rotating drum to which the head base is fixed with screws, and the rotating drum. It consists of a sleeve coaxially fitted to the sleeve, a rotary transformer rotating side member coaxially fixed to the sleeve, and a pin header molded simultaneously with a conductive metal fixed to the rotary transformer rotating side member, and the magnetic A rotating drum unit composed of a head, a connector, a head base, and a rotating drum is connected to the sleeve, the rotary transformer rotating side member,
A rotary head drum device characterized in that a pin header and a connector are fitted together by fitting into a rotary body unit constituted by a pin header.