JPH11146303A - Cathode-ray tube mounting device and cathode-ray tube mounted by the device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mount the cathode-ray tube in a case so as to make the image display screen visible without making a space large between an outer wall of the cathode-ray tube and the case. SOLUTION: Inserting sections 12 that extend along a circumferential face of a reinforcement band 8 on a plane orthogonal to a tube axis of the cathode- ray tube 1 are provided on the circumferential face of the reinforcement band 8 wound on a skirt 4 of a panel 5 of the cathode-ray tube 1. On the other hand, the case 11 is provided with supports 15 whose one ends are fixed to an inner wall of the case 11 and extend in the tube axis direction of the cathode-ray tube 1 and the inserting section 12 is inserted into the support 15, and a bolt 17 is turned into a threaded hole 16 provided to the support 15 through a tightening hole 14 of the inserting section 12 to mount the cathode-ray tube 1 in the case 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cathode ray tube mounting device for an image display device using a cathode ray tube, such as a television receiver or a display monitor device, and a cathode ray tube used in the device.

[0002]

2. Description of the Related Art FIG. 9 is a perspective view showing a cathode ray tube used in a conventional cathode ray tube mounting apparatus.
Reference numeral denotes an envelope of the cathode ray tube 1, which has a panel 5 comprising a face portion 3 and a skirt portion 4 constituting an image display surface and a neck portion 6 accommodating an electron gun, and is connected to the skirt portion 4 of the panel 5. The funnel 7 is formed. A fluorescent film is formed on the inner surface of the face portion 3 of the panel 5,
The fluorescent film emits light when an electron beam emitted from an electron gun housed in the neck portion 6 of the funnel 7 collides. A reinforcing band 8 is wound around the skirt portion 4 of the panel 5, and mounting lugs 9 are welded to the peripheral surface of the reinforcing band 8 at four corners of the panel 5. Each of these mounting lugs 9 serves as a mounting bracket for a housing (not shown) (cabinet of the image display apparatus), and the reinforcing band 8 is provided.
A portion extending parallel to the surface including the image display surface extends outward from the welded portion with respect to the image display surface, and a hole 10 is formed in the extending portion.

FIG. 10 is a front view (viewed from the image display surface side) showing a state in which a conventional cathode ray tube having such a configuration is attached to a housing. In the figure, reference numeral 11 denotes a housing to which the cathode ray tube 1 is mounted, and mounting seats (not shown) extending on a surface parallel to a surface including an image display surface are provided on inner wall surfaces at four corners. The cathode ray tube 1 is mounted on the housing 11 by fastening the mounting seat and the mounting lug 9 with, for example, bolts and nuts (not shown) in a state where the mounting seat and the mounting lug 9 are overlapped.

[0004]

A conventional mounting lug 9 for a cathode ray tube extends outward from the welding point to the reinforcing band 8 on a plane parallel to the plane including the image display surface with respect to the image display surface. Therefore, a space for providing the mounting lug 9 around the image display unit and a space for the mounting operation are required, and the space between the cathode ray tube 1 and the housing 11 must be large. There have been problems with the design of the image display device, and problems with the installation space due to the enlargement of the device.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and a cathode ray tube is provided so that an image display surface can be viewed without increasing a space between an outer wall of a cathode ray tube and a housing. A first object is to provide a cathode ray tube mounting device capable of mounting a tube in a housing. It is a second object of the present invention to provide a cathode ray tube capable of extremely reducing the space between the outer wall of the cathode ray tube and the housing when the cathode ray tube is mounted in the housing.

[0006]

According to the present invention, there is provided a cathode ray tube mounting apparatus comprising: a support portion having one end fixed to a housing and extending in the tube axis direction of the cathode ray tube in parallel with an inner wall surface of the housing; Along the periphery of the envelope bent and extended from the image display surface of the cathode ray tube to the electron gun side, there is provided an insertion portion provided around this envelope, and the support portion is inserted into the insertion portion and joined, A cathode ray tube is fixed in a housing.

In the cathode ray tube mounting apparatus according to the present invention, the insertion portion extends along a peripheral surface of the envelope on a surface orthogonal to the tube axis of the cathode ray tube, and at least one end of the envelope is provided. , And the intermediate portion is formed so as to have a space into which the support portion provided in the housing is inserted between the intermediate portion and the envelope.

Furthermore, in the cathode ray tube mounting apparatus according to the present invention, the support portion and the insertion portion each have a fastening hole that communicates when the support portion is inserted into the insertion portion, and the fastening hole of the support portion is a screw hole. It is something that is.

A cathode ray tube according to the present invention is a funnel connected to a skirt portion of a panel having a panel comprising a face portion and a skirt portion constituting an image display surface and a neck portion accommodating an electron gun. It comprises a constructed envelope, a reinforcing band wound around a skirt portion of a panel, and an insertion portion provided in the reinforcing band and having an intermediate portion provided with a space between the reinforcing band and the reinforcing band.

[0010] Furthermore, a cathode ray tube according to the present invention comprises:
The insertion portion extends on a plane orthogonal to the tube axis of the cathode ray tube, and has at least one end fixed to the reinforcing band.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing a cathode ray tube mounting apparatus according to the present invention and a cathode ray tube used in the apparatus. In the drawings, the same reference numerals represent the same or corresponding components as those of the related art.

Embodiment 1 First Embodiment A cathode ray tube according to a first embodiment of the present invention will be described with reference to FIG. In FIG. 1, 1
Denotes a cathode ray tube; 2 denotes an envelope of the cathode ray tube 1; a panel 5 comprising a face portion 3 and a skirt portion 4 constituting an image display surface; and a neck portion 6 accommodating an electron gun (not shown). It has a funnel 7 connected to the skirt 4 of the panel 5. The skirt 4 is the face 3
And bends toward the electron gun. A fluorescent film (not shown) is formed on the inner surface of the face portion 3 of the panel 5, and the fluorescent film is irradiated with an electron beam emitted from an electron gun housed in the neck portion 6 of the funnel 7. Emits light. The reinforcing band 8 is provided on the skirt 4 of the panel 5.
Are wound, and insertion portions 12 are fixed to the peripheral surface of the reinforcing band 8 at the four corners of the panel 5 by welding, bonding, bolting, or the like. Each of these insertion parts 12
It serves as a mounting bracket for a housing (a cabinet of an image display device), and extends on a surface orthogonal to the tube axis of the cathode ray tube 1 along a peripheral surface of the reinforcing band 8 and both ends are fixed to the reinforcing band 8. The intermediate portion is formed so as to have a space 13 between the reinforcing band 8 and a support portion provided in a housing (not shown) for insertion. Further, a fastening hole 14 made of a through hole is provided in the intermediate portion.

Next, a cathode ray tube mounting apparatus according to Embodiment 1 of the present invention will be described with reference to FIGS. FIG. 2 is an exploded perspective view showing a main part of the cathode ray tube mounting device, FIG. 3 is a front view showing a state where the cathode ray tube is mounted on a housing, and FIG.
It is sectional drawing in the IV-IV line. In these figures,
Reference numeral 11 denotes a housing to which the cathode ray tube 1 is attached so that the image display surface can be seen. The tube of the cathode ray tube 1 has one end fixed to an inner wall at four corners of a window portion where the image display surface of the cathode ray tube 1 is exposed. A plate-like support portion 15 is provided extending axially outside the window in parallel with the inner wall surface of the housing 11. The support portion 15 is provided with a fastening hole 16 formed of a screw hole, and the support portion 15 is provided in the space 13 of the insertion portion 12 provided in the cathode ray tube 1.
, The two fastening holes 14 and 16 communicate with each other.

In the cathode ray tube mounting apparatus having such a structure, the cathode ray tube 1 is inserted into the housing 11 with the neck 6 side first, and the support portion of the housing 11 is inserted into the space 13 of the insertion portion 12 at that time. 15 are inserted into the respective fastening holes 14 and 16
Are connected to each other, so that the bolt 17 is
The cathode ray tube 1 is attached to the housing 11 by screwing the insertion portion 12 and the support portion 15 together.

As described above, the cathode ray tube 1 according to the first embodiment
An insertion portion 12 is provided which extends along a peripheral surface of the reinforcing band 8 on a surface orthogonal to the pipe axis and has a space 13 for inserting a support portion 15 provided in the housing 11 at an intermediate portion, The support portion 15 of the housing 11 is arranged in the direction of the tube axis of the cathode ray tube 1.
The cathode ray tube 1 is attached to the housing 11 by extending the support portion 15 into the insertion portion 12 so as to extend in parallel with the inner wall surface of the cathode ray tube. That is, the insertion portion 12, which is a mounting lug of the cathode ray tube 1, does not extend outwardly with respect to the image display surface on a surface parallel to the surface including the image display surface as in the related art. 1 is provided along the periphery of the envelope that is bent and extends from the image display surface to the electron gun side. Therefore, by inserting the support portion 15 into the insertion portion 12 and fastening them together, the space occupied by the insertion portion 12 and the support portion 15 as mounting lugs between the cathode ray tube 1 and the housing 11 (image display surface) The space viewed from the side) can be made much smaller than before.

Conventionally, it has been necessary to fasten the mounting seat provided on the housing 11 and the mounting lug 9 of the cathode ray tube 1 with bolts and nuts while supporting the cathode ray tube 1. According to this, since the cathode ray tube 1 is temporarily held by inserting the support portion 15 into the insertion portion 12, the mounting operation becomes extremely easy. Further, since the bolt 17 can be fastened simply by screwing it into the fastening hole 16 of the support portion 15, the mounting work is also easy from this point.

In the first embodiment, the insertion portions 12 of the cathode ray tube 1 are provided at the four corners of the panel 5, and the housing 1
Although the first supporting portion 15 is also provided at the four corners of the window portion where the image display surface of the cathode ray tube 1 is exposed, the same effect can be obtained even if it is provided near the four corners of each side of the panel 5 as shown in FIG. Can be played. The same applies to the case where the insertion portion 12 is provided only on the long side (FIG. 6) or only on the short side (FIG. 7) of the panel 5 having a rectangular image display surface as shown in FIGS. 6 and 7. is there. In these cases, the support portion 15 of the housing 11
Needless to say, it is provided at a position corresponding to the insertion portion 12. Further, the insertion portion 12 is fixed to the reinforcing band 8 by welding, bonding, bolting, or the like.
As shown in FIG. 8, the same effect can be obtained by integrally forming the insertion portion 12 by pressing or the like at the time of forming the reinforcing band 8. Further, both ends of the insertion portion 12 are fixed to the reinforcing band 8, but one end may be a free end along the periphery of the envelope without being fixed, and the fixed end in this case is the cathode ray tube 1. The side on which the weight of the cathode ray tube 1 is applied to the support portion 15 when attached to the housing 11 (upper side in FIG. 3)
And Further, although the fastening hole 16 of the support portion 15 is a screw hole, it is a simple through hole like the fastening hole 14 of the insertion portion 12,
It may be fastened by bolts and nuts.

[0018]

According to the cathode ray tube mounting apparatus of the present invention, a support portion having one end fixed to the housing and extending in the tube axis direction of the cathode ray tube in parallel with the inner wall surface of the housing, Along the periphery of the envelope that is bent and extends from the image display surface to the electron gun side, an insertion portion provided around the envelope is provided. The space between the cathode ray tube and the housing can be greatly reduced because the cathode ray tube is fixed to the housing, the degree of freedom in the design design of the image display device is expanded, and the installation space for the device is also reduced. can do.

Further, according to the cathode ray tube mounting apparatus of the present invention, the insertion portion extends along the peripheral surface of the envelope on a surface orthogonal to the tube axis of the cathode ray tube, and at least one end thereof is provided outside. It is fixed to the enclosure, and the intermediate part is formed so as to have a space between the enclosure and the support part provided in the housing, so that the support part can be easily inserted into the insertion part. Since the cathode ray tube can be temporarily held, the mounting operation is extremely easy.

Further, according to the cathode ray tube mounting apparatus of the present invention, the support portion and the insertion portion each have a fastening hole that communicates when the support portion is inserted into the insertion portion, and the fastening hole of the support portion is Since the holes are screw holes, the mounting operation is easy.

According to the cathode ray tube of the present invention,
An envelope comprising a panel comprising a face portion and a skirt portion constituting an image display surface and a neck portion accommodating an electron gun and comprising a funnel connected to the skirt portion of the panel; and a skirt portion of the panel. The wound reinforcing band, and the intermediate portion provided in the reinforcing band has an insertion portion having a space between the reinforcing band, so that when installed in the housing, the outer wall of the cathode ray tube and It is possible to easily realize a cathode ray tube capable of extremely reducing the space between the case and the housing.

Furthermore, according to the cathode ray tube of the present invention, the insertion portion extends on a plane orthogonal to the tube axis of the cathode ray tube and has at least one end fixed to the reinforcing band. The cathode ray tube which can easily insert the support portion provided in the above is obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a cathode ray tube according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a main part of the cathode ray tube mounting apparatus according to Embodiment 1 of the present invention.

FIG. 3 is a front view showing a cathode ray tube mounting device according to Embodiment 1 of the present invention.

FIG. 4 is a fragmentary cross-sectional view of the cathode ray tube mounting device according to Embodiment 1 of the present invention;

FIG. 5 is a perspective view showing a modification of the cathode ray tube according to Embodiment 1 of the present invention.

FIG. 6 is a perspective view showing a modification of the cathode ray tube according to Embodiment 1 of the present invention.

FIG. 7 is a perspective view showing a modification of the cathode ray tube according to Embodiment 1 of the present invention.

FIG. 8 is a perspective view showing a modification of the cathode ray tube according to the first embodiment of the present invention.

FIG. 9 is a perspective view showing a conventional cathode ray tube.

FIG. 10 is a front view showing a conventional cathode ray tube mounting device.

[Explanation of symbols]

1 cathode ray tube, 2 envelope, 3 face (image display surface), 4 skirt, 5 panel,
6 neck part, 7 funnel, 8 reinforcing band, 11 case, 12 insertion part, 13 space, 14 fastening hole, 15 support part, 16 fastening hole, 17 bolt.

Claims (5)

[Claims] 1. A cathode ray tube mounting device for mounting a cathode ray tube in a housing so that an image display surface can be viewed, wherein one end of the cathode ray tube is fixed to the housing and the inside of the housing extends in the tube axis direction of the cathode ray tube. A support portion extending parallel to the wall surface, and an insertion portion provided around the envelope along the periphery of the envelope that is bent and extends from the image display surface of the cathode ray tube toward the electron gun,
The cathode ray tube mounting device, wherein the support portion is inserted into and connected to the insertion portion, and the cathode ray tube is fixed in the housing. 2. The insertion portion extends along a peripheral surface of the envelope on a surface orthogonal to the tube axis of the cathode ray tube, and has at least one end fixed to the envelope. 2. The cathode ray tube mounting device according to claim 1, wherein a space is provided between the first and second housings so that a support portion provided in the housing is inserted. 3. The support portion and the insertion portion each have a fastening hole that communicates when the support portion is inserted into the insertion portion, and the fastening hole of the support portion is a screw hole. Or the cathode ray tube mounting device according to claim 2. 4. An envelope comprising a panel comprising a face part and a skirt part constituting an image display surface and a neck part accommodating an electron gun and comprising a funnel connected to the skirt part of the panel. A cathode ray tube comprising: a reinforcing band wound around a skirt portion of the panel; and an insertion portion provided on the reinforcing band and having an intermediate portion having a space between the reinforcing band and the reinforcing band. 5. The cathode ray tube according to claim 4, wherein the insertion portion extends on a plane orthogonal to the tube axis of the cathode ray tube and has at least one end fixed to a reinforcing band.