JPS6010270Y2 - Deflection yoke fixing device - Google Patents

Description

[Detailed description of the invention] This invention is based on the method of fixing the deflection yoke to the neck of the cathode ray tube by adjusting the mounting angle of the screws to the desired angle with respect to the frame of the deflection yoke. Tightening at an angle relates to a fixing device for a deflection yoke that can be fixed.

Conventionally, when tightening a deflection yoke to the neck of a cathode ray tube, a device is used, for example, to tighten a protrusion provided integrally with the deflection yoke. Attachment is done by making the bracket into an annular shape, and tightening by inserting screws into the holes in the folded pieces provided at both ends of the bracket to secure the frame of the deflection yoke to the neck of the cathode ray tube. Ta.

However, in this case, the mounting angle of the tightening screw of the metal fitting is always the same when wrapping and fixing it around the deflection yoke frame, and the tightening angle of the screw can be slightly changed within the range of the kerf. Due to limitations, it was not possible to select the desired angle.

However, in relation to the cabinet, chassis, etc. in which the cathode ray tube is installed, it is necessary to be able to screw the frame of the deflection yoke onto the neck of the cathode ray tube from any angle, and it is necessary to be able to maintain the tightening angle. Seeds were often requested.

The purpose of the present invention is to solve the above-mentioned problem, so that when tightening and fixing the frame of the deflection yoke to the neck of the cathode ray tube, the belt-shaped fixing metal fitting can be tightened without limiting the mounting angle of the screw. It is an object of the present invention to provide a deflection yoke fixing device that can tighten and fix a deflection yoke at a desired angle with respect to a frame body of the deflection yoke, and can also maintain that angle.

The deflection yoke fixing fitting of the present invention is a deflection yoke fixing device that tightens and fixes the deflection yoke to the neck portion of a cathode ray tube using a belt-shaped fixing fitting equipped with screws. A plurality of tongue-like locking portions are provided along the portion adjacent to the edge of the fastening metal fitting around which the fastening metal fitting is wound, and the locking portions are engaged with the locking portions to tighten the fastening metal fitting. A plurality of tongue-like locking portions are provided on the edge of the fixing fitting so that the mounting angle with respect to the frame can be selectively maintained.

Hereinafter, an embodiment based on the present invention will be described with reference to the accompanying drawings.

In FIG. 1, reference numeral 5 denotes a fixing metal fitting in the form of a thin plate band having a desired width, and holes 7 for tightening are bored in bent pieces 6 formed on both ends thereof.

A plurality of serrated tongue pieces 8 are provided on one side of the fixture 5.

It should be noted that FIG. 3 shows another embodiment of the fixture, and the respective reference numerals correspond to the respective numerals in FIG. 1.

In FIG. 2, 10 is a cone portion of a cathode ray tube having a substantially conical shape on one side.

Reference numeral 11 denotes a neck portion having an elongated cylindrical tube shape on the distal end side of the cone portion 10.

Reference numeral 12 denotes a trumpet-shaped deflection yoke, and the deflection yoke 12 has a trumpet-shaped core 13 around which coils 14 for vertical deflection and horizontal deflection are wound.

A frame body 15 made of a slightly elastic trumpet-shaped resin or the like is held between the coils 14.

A cylindrical body 16 is formed to protrude from the small diameter portion of the frame 15, and a plurality of groups of protrusions 17 are connected to protrude from the opening edge of the cylindrical portion 16 in a cylindrical shape by the length of the width of the fixing fitting 5. Tighten part 17'
This part has elasticity.

A large number of serrated tongues 18 are provided on the side surface of the tip of the cylindrical portion 16 so as to engage and lock with the tongues 8.

Reference numeral 19 denotes a stepped portion protrudingly formed on the outer surface of the tip of the group of protrusions 17, which is tightened to serve as a stopper for the fixing fitting 5 fitted to the portion 17'.

20 is a screw for tightening.

In the above configuration, the deflection yoke 12 is inserted into the neck portion 11 of the cathode ray tube, and the deflection yoke 12 is tightened at the portion 17'.
The pad-like fixing fitting 5 is wrapped around the fixing fitting 5 , and the plurality of tongues 8 of the fixing fitting 5 are engaged with the plurality of tongues 18 of the deflection yoke cylindrical part 16 that engage with the tongues 8 . For tightening, insert the screw 20 into the hole 7 and tighten the fixing fitting 5.

In this way, the deflection yoke 12 is attached to the neck portion 1 of the cathode ray tube.
1, the fixing metal fitting 5 engages its tongue piece 8 with the tongue piece 18 of the deflection yoke cylindrical part 16, and also fits between the deflection yoke cylindrical part 16 and the stepped part 19 of the group of protrusions 17. be done.

Once the fixing metal fitting 5 is fitted in a predetermined position, the engagement between the tongue piece 8 and the tongue piece 18 of the deflection yoke cylindrical part 16 will not be released. The screw 20 is securely held and fixed at its tightened angular position.

Therefore, by selecting the engagement between the plurality of tongues 8 of the fixture 5 and the plurality of tongues 18 of the deflection yoke cylindrical portion 16, the fixture 5 can be tightened to ensure that the screw 20 is set at the desired mounting angle. Can be held fixed.

Of course, when making adjustments or repairs, for example, loosen the screws 20 to disengage the tongues 8 and 18 of the fixture 5, rotate the fixture 5, and reinstall these. By engaging the tongues 8 and 18, tightening can also set the screw 20 to a new angular position.

Note that in order to fit the fixture 5 between the ridges of the deflection yoke cylindrical portion 16 and the stepped portion 19 and hold and fix it in that position, a protrusion is made to protrude from the stepped portion 19 toward the other side of the fixture 5. A recess may be provided on the other side of the fixture 5 to engage with the protrusion to hold and fix the fixture 5, or vice versa.

In other words, the fixing fitting 5 is tightened by the portion 17 of the deflection yoke 12.
Any means may be used as long as the plurality of tongues 8 and the plurality of tongues 18 are fitted together when the tongues 8 and 18 are engaged and tightened at '', and the engagement is not released by, for example, vibration.

Incidentally, FIG. 4 shows another embodiment in which the fixture shown in FIG. 3 is attached.

As explained above, according to the present invention, when tightening and fixing the deflection yoke to the neck of the cathode ray tube, the tightening angle position of the screw can be set in the desired direction when tightening the fixing bracket. The deflection yoke can be tightened to the neck of the cathode ray tube at various angular positions without being limited to the tightening angle of the screw. There is an advantage.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a fixing fitting according to an embodiment of the present invention, FIG. 2 is a front view of an embodiment of the present invention, and FIG. 3 is a perspective view of a fixing fitting according to another embodiment of the present invention. FIG. 4 is a detailed view of the main parts of the embodiment when the fixing fitting shown in FIG. 3 is used. 5...Deflection yoke fixing bracket, 11...
Neck part, 12...Deflection yoke, 16...
... Cylindrical part of the deflection yoke, 17... Protrusion group part,
17'...Tighten at parts 8, 18...
Tongue piece, 20...Tighten with a screw.

Claims (1)

[Scope of Claim for Utility Model Registration] In a deflection yoke fixing device that tightens and fixes a deflection yoke to the neck portion of a cathode ray tube using a band-shaped fixing metal fitting equipped with screws, the fixing of the frame of the deflection yoke A plurality of tongue-shaped locking portions are provided along a portion adjacent to the edge of the fixing metal fitting around which the metal fitting is wound, and the locking portions are engaged with the locking portions and the fastening metal fitting is tightened by the frame of the screw. 1. A deflection yoke fixing device, characterized in that a plurality of tongue-like locking portions are provided on the edge of the fixing fitting so that the angle of attachment to the body can be selectively maintained.