JPH0532953Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a CRT socket incorporating a focus connection contact and a focus spark gap contact.

(Prior art) The connections between the focus connection contact, focus spark gap contact, and high voltage lead wire in conventional CRT sockets are of the soldering type shown in Figures 8a, b and 9, and of the 10th type. There were two types: a snack type shown in Figures a and b and Figure 11.

In the case of the soldering type shown in FIGS. 8a, b and 9, the focus connection contact 1 and the focus spark gap contact 2 are located in the socket housing 5 together with other contacts (not shown). The soldering terminal 1a of the focus connection contact 1 and the soldering terminal 2a of the focus spark gap contact 2 are overlapped, and the core wire 4a of the high voltage lead wire 4 is inserted into the hole 3 of both terminals 1a and 2a. It had a structure in which it was passed through and connected by soldering.

On the other hand, in the case of the snap-in type shown in FIGS. 10a and 10b and FIG. is incorporated into the snap-in terminal 1 of the focus connection contact 11.
1b and the snap-in terminal 12b of the focused spark gap contact 12 are arranged such that the tip of the snap-in terminal 11b is folded back and that part elastically contacts the snap-in terminal 12b, and both terminals 11b, 12b are arranged. The structure was such that the core wire 4a of the high-voltage lead wire 4 was press-fitted between the two and connected.

Note that 2c and 12c are spark gap electrodes of the focus spark gap contacts 2 and 12.

(Problem to be Solved by the Invention) However, in the conventional structure described above, the manufacturer has provided the focus connection contact 1 with the soldering terminal 1a shown in FIG. 8a and b, and the soldering terminal 2a.
Focus spark gap contact 2 with
and a focus connection contact 11 with a snap-in contact 11b shown in FIGS. 10a and 10b,
There was a problem in that four types of parts had to be prepared, including a focus spark gap contact 12 with a snap-in contact 12b.

The purpose of this invention is to reduce the number of parts required for CRTs.
The purpose is to provide a socket.

(Means for Solving the Problems) To explain the configuration of the present invention to achieve the above object, the present invention has a socket housing with a focus connection contact and a focus spark gap contact, which are different from each other. In a CRT socket that is assembled together with another contact and has a structure in which a high voltage lead wire is connected to the focus connection contact via the focus spark gap contact, the focus connection contact has an engaging means at its tip. The focus spark gap contact includes a press-fit terminal that is press-fitted to the engagement means of the press-fit connection terminal of the focus connection contact, and a lead wire connection terminal that connects the high-voltage lead wire. It is characterized by

(Function) In this way, when using a focus connection contact with a pressure welding connection terminal and a focus spark gap contact with a press-fit terminal, the focus connection contact is a common component regardless of whether it is a solder type or a snap-in type. Therefore, the number of parts can be reduced.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings. Figures 1a, b to 5 show examples in which the present invention is applied to a soldering type CRT socket.

The CRT socket of this embodiment has a focus connection contact 21 and a focus spark gap contact 22 inside the socket housing 25.
Embedded with other contacts. The focus connection contact 21 has a press-contact connection terminal 21c. The pressure contact terminal 21c has an inverted U-shape with its tip folded back, and an engagement means, such as a slit 21d, is formed in the folded portion. The focused spark gap contact 22 is a press-fit terminal 2 made of a plate-like projection.
It has a soldering lead wire connection terminal 22e made of a plate-like protrusion like 2d. A lead wire insertion hole 22f is provided in the lead wire connection terminal 22e. The press-fit terminal 22d is press-fitted into the slit 21d of the press-contact connection terminal 21c, and the focus spark gap contact 22 is connected to the focus connection contact 21. Lead wire connection terminal 22
The core wire 4a of the high voltage lead wire 4 is passed through the lead wire insertion hole 22f of e and is connected by soldering.

FIGS. 6a and 6b and FIG. 7 show examples in which the present invention is applied to a snap-in type CRT socket. In addition, the above-mentioned figures 1 a, b to 5
Portions corresponding to those in the figures are indicated with the same reference numerals. In the CRT socket of this embodiment, the same focus connection contact 21 as shown in FIGS. 3 to 5 described above is used. The focused spark gap contact 32 has a lead wire connection terminal 32g for snap-in connection in addition to the press-fit terminal 32d. Lead wire connection terminal 3
2g includes a fixed contact portion 32g ₁ and a folded movable contact portion 32g ₂ , and has a structure in which the movable contact portion 32g ₂ is brought into elastic contact with the fixed contact portion 32g ₁ . The core wire 4a of the high-voltage lead wire 4 is press-fitted between the fixed contact portion 32g ₁ and the movable contact portion 32g ₂ to establish a connection.

The socket housing 35 has an upward opening at the spark electrode portion, and a spark electrode portion cover 31 is removably covered there. A snap-in storage portion 36 is formed on the upper surface of the spark electrode cover main body 33 and includes a receiving surface for preventing the fixed contact portion _32g1 from escaping. Further, a snap-in cover 37 that covers the snap-in storage section 36 is provided so as to be openable and closable via a hinge 38, and when the snap-in cover 37 is closed along the guide 39, the snap-in cover 37 is provided on both sides of the snap-in cover 37. A lock piece (not shown) is engaged with a protrusion (not shown) of the spark electrode cover main body 33 to be locked.

A presser 30 is provided on the inner surface of the snap-in cover 37 to press the movable contact portion _32g2 .
The movable contact portion 32g ₂ is pressed toward the fixed contact 32g ₁ by the presser 30, and as a result, the core wire 4a is held between the fixed contact portion 32g ₁ and the movable contact portion 32g ₂ with a strong force, and is prevented from coming off. There is.

(Effects of the invention) As explained above, the CRT socket according to the invention includes a focus connection contact with an insulation displacement connection terminal, and a focus spark gap contact with a press-fit terminal that is press-fit connected to the insulation displacement connection terminal. Therefore, the focus connection contact can be used as a common component regardless of whether it is a solder type or a snap-in type, which has the advantage of reducing the number of components.

[Brief explanation of the drawing]

Figures 1a and b are a plan view and a front view showing the connections between each contact and the high-voltage lead wire in the CRT socket of this embodiment in the case of the soldering type, and Figure 2 is the book in the case of the soldering type. FIG. 3 is a front view of the focus connection contact used in this example, FIG. 4 is a left side view of FIG. 3, and FIG. 5 is a view of the left side of FIG. 3. 6 is a plan view and a front view showing the connection state between each contact and the high-voltage lead wire in the CRT socket of this embodiment in the case of a snap-in type, and FIG. 7 is a diagram of the book in the case of this snap-in type. A vertical sectional view of the main part of the CRT socket of the example,
Figure 8 a and b show the conventional soldering type
Plan view and front view showing the connection state of each contact and high voltage lead wire in the CRT socket, No. 9
The figure is a vertical sectional view of the main part of a conventional CRT socket of this soldering type, and Figures 10a and b show the connection state between each contact and the high voltage lead wire in the conventional CRT socket of the snap-in type. A plan view, a front view, and FIG. 11 are vertical sectional views of essential parts of a conventional CRT socket of this snap-in type. 4... High voltage lead wire, 21... Focus connection contact, 21c... Pressure connection terminal, 21d...
...Slit, 22...Focus spark gap contact, 22d...Press-fit terminal, 22e...
Lead wire connection terminal for soldering, 22f...Lead wire insertion hole, 25...Socket housing, 32g
...Lead wire connection terminal for snap-in connection, 32
g ₁ ...Fixed contact part, 32g ₂ ...Movable contact part.

Claims (1)

[Scope of utility model registration request] A focus connection contact and a focus spark gap contact are incorporated in the socket housing together with other contacts other than the two contacts, and a high voltage lead wire is connected to the focus connection contact through the focus spark gap contact. In the CRT socket, the focus connection contact is provided with a pressure connection terminal having an engagement means at its tip, and the focus spark gap contact is connected to the engagement means of the pressure connection terminal of the focus connection contact. A CRT socket comprising a press-fit terminal that is press-fit connected to the CRT socket, and a lead wire connection terminal that connects the high voltage lead wire.