JPH0636193U - Shadow mask reinforcement frame - Google Patents
Shadow mask reinforcement frameInfo
- Publication number
- JPH0636193U JPH0636193U JP7057292U JP7057292U JPH0636193U JP H0636193 U JPH0636193 U JP H0636193U JP 7057292 U JP7057292 U JP 7057292U JP 7057292 U JP7057292 U JP 7057292U JP H0636193 U JPH0636193 U JP H0636193U
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- frame
- shadow mask
- vertical wall
- convex portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
(57)【要約】
【目的】 アパーチャをフレームの内側に挿入する際の
作業時間を短縮するとともに作業時のアパーチャの変形
を防止する。
【構成】 シャドウマスク補強用フレーム３の垂直壁５
の各コーナ部５ｃ近傍でアパーチャ２の成形時の材料寄
りによる凸部２ｄに対応する部分に、アパーチャ２をフ
レーム３に挿入する際該凸部２ｄを逃がすよう外側へ湾
曲状に膨出した膨出部７を設ける。
【効果】 アパーチャをフレームに挿入する際のフレー
ムの垂直壁の内側面とアパーチャの外側面との間隔をコ
ーナ部においても確保することができ、挿入時の干渉を
防いで作業時間を短縮し、アパーチャの球面部の変形を
防止するようにできる。
(57) [Abstract] [Purpose] To reduce the work time when inserting the aperture inside the frame and prevent the deformation of the aperture during work. [Structure] Vertical wall 5 of frame 3 for shadow mask reinforcement
When the aperture 2 is inserted into the frame 3, a portion corresponding to the convex portion 2d due to the material deviation at the time of molding the aperture 2 near the respective corner portions 5c of the bulge is bulged outward so as to escape the convex portion 2d. A projecting portion 7 is provided. [Effect] The gap between the inner surface of the vertical wall of the frame and the outer surface of the aperture when inserting the aperture into the frame can be secured even at the corners, preventing interference during insertion and shortening the work time, It is possible to prevent the spherical portion of the aperture from being deformed.
Description
【０００１】[0001]
この考案は、陰極線管のシャドウマスク補強用フレームに関するものである。 The present invention relates to a frame for reinforcing a shadow mask of a cathode ray tube.
【０００２】[0002]
図３は従来のシャドウマスク型カラー陰極線管のシャドウマスクの全体斜視図 、図４は同シャドウマスクの補強用フレームの単体斜視図、図５は同シャドウマ スクのアパーチャの単体斜視図である。図３に全体を１で示すシャドウマスクは 、無数の電子ビーム透孔を有する略矩形のアパーチャ２と、該アパーチャ２が内 側に挿入され接合される補強用フレーム３と、一端が上記フレーム３に固定され 他端がカラー陰極線管外囲器（図示せず）に連結されるスプリング板４とから構 成されている。ここで、フレーム３は、図４に示すように対向する各一対の短辺 部５ａおよび長辺部５ｂと、これらを凹凸なく滑らかにつなぐコーナ部５ｃとか らなる略矩形筒状の垂直壁５と、該垂直壁５の一端から内側に略矩形環状に張り 出す水平壁６とからなるものであって、上記垂直壁５の他端は後述のアパーチャ ２の球面部２ａの曲率に近い湾曲形状をなしている。また、アパーチャ２は、プ レス成形されたものであって、図５に示すように無数の電子ビーム透孔を有する 略矩形の球面部２ａと、該球面部２ａから略垂直に曲折された側面部２ｂとから なるものであって、側面部２ｂの丸みをもった各コーナ部分には成形性向上のた めの切り込み２ｃが両側に設けられている。なお、アパーチャ２の側面部２ｂに は、コーナ部分の各切り込み２ｃの位置にプレス成形時の材料余りによって材料 寄りによる凸部２ｄができる。 3 is an overall perspective view of a conventional shadow mask of a shadow mask type color cathode ray tube, FIG. 4 is a perspective view of a reinforcing frame of the shadow mask, and FIG. 5 is a perspective view of an aperture of the shadow mask. A shadow mask indicated by 1 in FIG. 3 is a substantially rectangular aperture 2 having innumerable electron beam through holes, a reinforcing frame 3 into which the aperture 2 is inserted and joined, and one end of the frame 3 And a spring plate 4 having the other end connected to a color cathode ray tube envelope (not shown). Here, as shown in FIG. 4, the frame 3 has a substantially rectangular tubular vertical wall 5 including a pair of opposing short side portions 5a and long side portions 5b, and a corner portion 5c that smoothly and smoothly connects them. And a horizontal wall 6 extending inward from one end of the vertical wall 5 in a substantially rectangular ring shape, and the other end of the vertical wall 5 has a curved shape close to the curvature of the spherical surface portion 2a of the aperture 2 described later. Is doing. The aperture 2 is press-molded, and has a substantially rectangular spherical surface portion 2a having innumerable electron beam through holes as shown in FIG. 5, and a side surface bent substantially perpendicularly from the spherical surface portion 2a. The side surface portion 2b is provided with notches 2c on both sides for improving the formability at each of the rounded corner portions of the side surface portion 2b. In addition, on the side surface portion 2b of the aperture 2, there is formed a convex portion 2d due to the material deviation at the position of each notch 2c of the corner portion due to the material remainder during press molding.
【０００３】 上記アパーチャ２は人手によりフレーム３の垂直壁５の内側に挿入されて、ア パーチャ２の球面部２ａが一定の位置になるようセットされ、フレーム３の垂直 壁５の内側面とアパーチャ２の側面部２ｂの外側面とが接合固着される。ここで 、フレーム３の垂直壁５の内側面とアパーチャ２の外側面との間隔ａは挿入時に ほぼ全周にわたって一定となるよう設定がなされる。この間隔ａは、カラー陰極 線管の特性，フレーム３とアパーチャ２との挿入作業性，接合作業のアパーチャ ２の球面部２ａへの影響等を考慮して決定されるものである。しかし、アパーチ ャ２の側面部２ｂのコーナ部分には上記のように材料寄りによる凸部２ｄができ るため、この凸部２ｄの部分では図６に示すようにフレーム３の垂直壁５とアパ ーチャ２の側面部２ｂとの間には所定間隔ａが保たれない。The aperture 2 is manually inserted into the vertical wall 5 of the frame 3 so that the spherical portion 2a of the aperture 2 is set at a fixed position, and the inner surface of the vertical wall 5 of the frame 3 and the aperture 2 are set. The outer side surface of the side surface portion 2b of 2 is bonded and fixed. Here, the spacing a between the inner surface of the vertical wall 5 of the frame 3 and the outer surface of the aperture 2 is set to be constant over the entire circumference during insertion. The distance a is determined in consideration of the characteristics of the color cathode ray tube, the workability of inserting the frame 3 and the aperture 2 and the influence of the joining work on the spherical portion 2a of the aperture 2. However, since the convex portion 2d due to the material deviation is formed in the corner portion of the side surface portion 2b of the aperture 2 as described above, in this convex portion 2d, as shown in FIG. The predetermined space a cannot be maintained between the side surface 2b of the searcher 2 and the side surface 2b.
【０００４】 また、実開平２−５２５５号公報には、成形シャドウマスクのスカート部の内 側にフレームを挿入するタイプのカラーブラウン管用シャドウマスクにおいて、 成形シャドウマスクのコーナ部の肉溜まりが金型摩耗により大きくなってもマス クとフレームとの嵌合に支障をきたさないようフレームのコーナ部に成形シャド ウマスクの肉溜りを受け入れる内側への逃げを形成したものが示されている。In Japanese Utility Model Laid-Open No. 2-5255, a shadow mask for a color cathode ray tube of a type in which a frame is inserted inside a skirt portion of a molded shadow mask is used. It is shown that a corner of the frame has an inward clearance to receive the buildup of the molded shadow mask so that it will not hinder the fitting between the mask and the frame even if the size increases due to wear.
【０００５】[0005]
図３〜図６に示す従来のシャドウマスクでは補強用フレームのコーナ部が上記 のように凹凸なく滑らかに形成されていて、上記のようにアパーチャの材料寄り による凸部の部分でフレームの垂直壁とアパーチャの側面部との間に所定の間隙 が保てなくなり、その結果、アパーチャをフレームに挿入する際にこの凸部の部 分でフレームとアパーチャとの干渉が起きて挿入作業に要する時間が長くなった り、挿入作業時にアパーチャの球面部に変形を生じさせてしまうことがあるとい った問題があった。また、実開平２−５２５５号公報に示された技術はフレーム のコーナ部に内側への逃げを形成したものであって、上記のようにアパーチャを フレームの垂直壁の内側に挿入して接合し、その際、フレームの垂直壁の内側面 とアパーチャの外側面との間隔が挿入時にほぼ全周にわたって一定となるよう設 定するタイプのシャドウマスクには適用できない。 In the conventional shadow mask shown in FIGS. 3 to 6, the corner portion of the reinforcing frame is formed smoothly without unevenness as described above, and as described above, the convex portion due to the material deviation of the aperture causes the vertical wall of the frame. The gap between the aperture and the side surface of the aperture cannot be maintained, and as a result, when the aperture is inserted into the frame, the convex portion causes interference between the frame and the aperture and the time required for insertion work. There was a problem that it became longer and the spherical part of the aperture might be deformed during insertion work. Further, the technique disclosed in Japanese Utility Model Laid-Open No. 2-5255 is to form an inward clearance at a corner portion of a frame, and as described above, the aperture is inserted into the vertical wall of the frame and joined. , At that time, it cannot be applied to a shadow mask of a type in which the space between the inner surface of the vertical wall of the frame and the outer surface of the aperture is set to be constant over the entire circumference at the time of insertion.
【０００６】 この考案はこのような問題点を解消するためになされたもので、シャドウマス クのアパーチャをフレームの内側に挿入し接合する際の挿入作業を短縮できると ともに作業時のアパーチャの変形を防止できるシャドウマスク補強用フレームを 提供することを目的とするものである。The present invention has been made in order to solve such a problem, and it is possible to shorten the insertion work when the aperture of the shadow mask is inserted and joined inside the frame, and at the same time, the deformation of the aperture during the work is performed. It is an object of the present invention to provide a frame for reinforcing a shadow mask that can prevent the above.
【０００７】[0007]
この考案に係るシャドウマスク補強用フレームは、特に、電子ビーム透孔を備 えた略矩形のアパーチャが内側に挿入され接合されるシャドウマスク補強用フレ ームであって、アパーチャ挿入時に該アパーチャの外側面との間に所定間隔を保 持する略矩形筒状の垂直壁と、前記垂直壁の一端から内側に略矩形環状に張り出 す水平壁とからなり、垂直壁の各コーナ部近傍でアパーチャの成形時の材料寄り による凸部に対応した部分に該凸部を逃がし該凸部との間に所定間隔を保持する よう外側へ湾曲膨出した膨出部を設けたものである。 A shadow mask reinforcing frame according to the present invention is a shadow mask reinforcing frame in which a substantially rectangular aperture having an electron beam through hole is inserted and joined inside, and the shadow mask reinforcing frame is provided outside the aperture when the aperture is inserted. It consists of a vertical wall with a substantially rectangular tube shape that keeps a certain distance from the side surface, and a horizontal wall that extends inward from one end of the vertical wall into a substantially rectangular ring shape.The aperture is located near each corner of the vertical wall. The bulging portion which is curved and bulged outward is provided at a portion corresponding to the convex portion due to the material deviation at the time of molding so as to allow the convex portion to escape and to maintain a predetermined space between the convex portion and the convex portion.
【０００８】[0008]
この考案によるシャドウマスク補強用フレームにおいては、該フレームをアパ ーチャに挿入する際にアパーチャ外側面の材料寄りによる凸部をフレームの垂直 壁のコーナ部近傍に形成された膨出部に逃がすよう構成されたことにより、フレ ームとアパーチャの外側面との間にはコーナ部を含めて全周に間隙が保持されて 、フレームとアパーチャの干渉が防止され、その結果、挿入作業の効率が向上し 、作業時のアパーチャの変形が防止される。 In the shadow mask reinforcing frame according to the present invention, when the frame is inserted into the aperture, the convex portion due to the material deviation on the outer surface of the aperture is made to escape to the bulge portion formed near the corner portion of the vertical wall of the frame. As a result, a gap is maintained around the entire circumference including the corners between the frame and the outer surface of the aperture, preventing interference between the frame and aperture, and as a result, improving the efficiency of insertion work. However, deformation of the aperture during work is prevented.
【０００９】[0009]
図１はこの考案の一実施例を示すシャドウマスク型カラー陰極線管のシャドウ マスク補強用フレームの斜視図である。図において３はシャドウマスク補強用の フレームであり、２は電子ビーム透孔を備えた略矩形のアパーチャを示す。アパ ーチャ２はプレス成形品であって、その外側面には各コーナ部分の両側にプレス 成形時の材料寄りに凸部２ｄができている。また、上記フレーム３は、各一対の 短辺部５ａおよび長辺部５ｂと、これら短辺部５ａと長辺部５ｂをつなぐ丸みを もったコーナ部５ｃとからなる略矩形筒状の垂直壁５と、該垂直壁５の一端から 内側に略矩形環状に張り出す水平壁６とからなり、垂直壁５の各コーナ部５ｃ両 側近傍にはアパーチャ２の成形時の材料寄りによる凸部２ｄを逃がすよう外側へ 湾曲状に膨出した膨出部７が設けられている。また、垂直壁５の他端はアパーチ ャ２の球面部の曲率に近い湾曲形状とされている。 FIG. 1 is a perspective view of a shadow mask reinforcing frame of a shadow mask type color cathode ray tube showing an embodiment of the present invention. In the figure, 3 is a frame for reinforcing the shadow mask, and 2 is a substantially rectangular aperture having an electron beam through hole. The aperture 2 is a press-molded product, and on its outer surface, convex portions 2d are formed on both sides of each corner portion toward the material at the time of press-molding. Further, the frame 3 has a substantially rectangular tubular vertical wall including a pair of short side portions 5a and long side portions 5b, and a rounded corner portion 5c connecting the short side portions 5a and the long side portions 5b. 5 and a horizontal wall 6 projecting inward from one end of the vertical wall 5 in a substantially rectangular ring shape. Near the corners 5c of the vertical wall 5 in the vicinity of both sides, a convex portion 2d due to the material deviation during molding of the aperture 2 is formed. A bulging portion 7 bulging outward in a curved shape is provided so as to allow the air to escape. The other end of the vertical wall 5 has a curved shape close to the curvature of the spherical portion of the aperture 2.
【００１０】 アパーチャ挿入時のフレーム３の垂直壁５の内側面とアパーチャ２の外側面と の間隔ａは一定とされ、上記凸部２ｄの部分でも上記膨出部７が該凸部２ｄを逃 がすことによりこの間隔ａが確保される。アパーチャ２の挿入時にほぼ全周にわ たって一定とされ、その結果、挿入時のアパーチャ２とフレーム３の干渉がなく なり、作業時間が短縮されるとともにアパーチャ２の球面部２ａの変形が防止さ れる。The distance a between the inner surface of the vertical wall 5 of the frame 3 and the outer surface of the aperture 2 at the time of inserting the aperture is constant, and the bulging portion 7 escapes the convex portion 2d even at the convex portion 2d. This spacing a is secured by peeling. When the aperture 2 is inserted, it is kept constant over almost the entire circumference. As a result, the interference between the aperture 2 and the frame 3 during insertion is eliminated, work time is shortened, and the spherical portion 2a of the aperture 2 is prevented from being deformed. Be done.
【００１１】[0011]
以上のようにこの考案によれば、アパーチャの材料寄りによる凸部に対応した 部分に挿入時に該凸部を逃がすよう外側へ湾曲膨出した膨出部を設け、アパーチ ャをフレームに挿入する際のフレームの垂直壁の内側面とアパーチャの外側面と の間隔をコーナ部を含めフレームの全周にわたって確保できるよう構成したので 、アパーチャ挿入時の干渉を防いで作業時間を短縮し、また、アパーチャの球面 部の変形を防止するようにできる。 As described above, according to the present invention, when the aperture is inserted into the frame, the bulging portion which is curved and bulged outward is provided in the portion corresponding to the convex portion due to the material deviation of the aperture so as to allow the convex portion to escape at the time of insertion. Since the gap between the inner surface of the vertical wall of the frame and the outer surface of the aperture can be secured over the entire circumference of the frame including the corners, interference during insertion of the aperture is prevented and work time is shortened. It is possible to prevent the deformation of the spherical portion of.
【図１】この考案の一実施例のシャドウマスク補強用フ
レームの斜視図FIG. 1 is a perspective view of a shadow mask reinforcing frame according to an embodiment of the present invention.
【図２】この考案の一実施例のシャドウマスク補強用フ
レームのコーナ部の断面図FIG. 2 is a sectional view of a corner portion of a shadow mask reinforcing frame according to an embodiment of the present invention.
【図３】従来のシャドウマスクの全体斜視図FIG. 3 is an overall perspective view of a conventional shadow mask.
【図４】従来のシャドウマスク補強用フレームの単体斜
視図FIG. 4 is a perspective view of a conventional shadow mask reinforcing frame alone.
【図５】従来のシャドウマスクのアパーチャの単体斜視
図FIG. 5 is a perspective view of a single unit of a conventional shadow mask aperture.
【図６】従来のシャドウマスク補強用フレームのコーナ
部の断面図FIG. 6 is a sectional view of a corner portion of a conventional shadow mask reinforcing frame.
２ アパーチャ ２ｄ 凸部 ３ フレーム ５ 垂直壁 ５ｃ コーナ部 ６ 水平壁 ７ 膨出部 2 Aperture 2d Convex part 3 Frame 5 Vertical wall 5c Corner part 6 Horizontal wall 7 Swelling part
Claims (1)
チャが内側に挿入され接合されるシャドウマスク補強用
フレームであって、アパーチャ挿入時に該アパーチャの
外側面との間に所定間隔を保持する略矩形筒状の垂直壁
と、前記垂直壁の一端から内側に略矩形環状に張り出す
水平壁とからなり、前記垂直壁の各コーナ部近傍で前記
アパーチャの成形時の材料寄りによる凸部に対応した部
分に該凸部を逃がし該凸部との間に所定間隔を保持する
よう外側へ湾曲膨出した膨出部を有することを特徴とす
るシャドウマスク補強用フレーム。1. A shadow mask reinforcing frame in which a substantially rectangular aperture having an electron beam through hole is inserted and joined inside, and a predetermined distance is maintained between the aperture mask and the outer surface of the aperture when the aperture is inserted. It consists of a substantially rectangular tubular vertical wall and a horizontal wall that projects inward from one end of the vertical wall into a substantially rectangular ring shape. A frame for reinforcing a shadow mask, characterized in that it has a bulging portion which is curved and bulged outward so as to allow the convex portion to escape and to keep a predetermined space between the convex portion and the corresponding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7057292U JPH0636193U (en) | 1992-10-09 | 1992-10-09 | Shadow mask reinforcement frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7057292U JPH0636193U (en) | 1992-10-09 | 1992-10-09 | Shadow mask reinforcement frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0636193U true JPH0636193U (en) | 1994-05-13 |
Family
ID=13435406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7057292U Pending JPH0636193U (en) | 1992-10-09 | 1992-10-09 | Shadow mask reinforcement frame |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100428968B1 (en) * | 1997-07-04 | 2004-07-16 | 삼성에스디아이 주식회사 | Shadow mask frame assembly for color cathode ray tube, including frame having support portion, flange portion and skirt portion |
-
1992
- 1992-10-09 JP JP7057292U patent/JPH0636193U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100428968B1 (en) * | 1997-07-04 | 2004-07-16 | 삼성에스디아이 주식회사 | Shadow mask frame assembly for color cathode ray tube, including frame having support portion, flange portion and skirt portion |
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