JPS6231985Y2 - - Google Patents

Description

【考案の詳細な説明】 この考案は放電空隙素子を内蔵した陰極線管ソ
ケツトに関する。[Detailed Description of the Invention] This invention relates to a cathode ray tube socket incorporating a discharge gap element.

陰極線管に接続されている電子回路に陰極線管
より異常高電圧が印加されて、電子回路が動作不
良となる事故がある。この点から陰極線管ソケツ
トに放電空隙素子を内蔵し、その放電空隙素子の
一方の電極を異常高電圧が印加されるおそれがあ
るコンタクトに接続し、他方の電極を接地し、コ
ンタクトに所定値以上の異常高電圧が印加される
と、そのコンタクトに接続された放電空隙素子に
放電が発生して、その異常高電圧が接地に落さ
れ、電子回路を保護している。 There are accidents where an abnormally high voltage is applied from the cathode ray tube to the electronic circuit connected to the cathode ray tube, causing the electronic circuit to malfunction. From this point of view, a discharge gap element is built into the cathode ray tube socket, one electrode of the discharge gap element is connected to a contact to which an abnormally high voltage may be applied, the other electrode is grounded, and a voltage higher than a specified value is connected to the contact. When an abnormally high voltage is applied, a discharge occurs in the discharge gap element connected to the contact, and the abnormally high voltage is grounded to protect the electronic circuit.

この種の放電空隙素子を内蔵した従来の陰極線
管ソケツトにおいては軸方向、即ち陰極線管の端
子ピン挿脱方向において、絶縁材のボデイを分割
して構成し、これら二つのボデイ本体でコンタク
トの一部及び放電空隙素子の端子を挾んでコンタ
クト及び放電空隙素子をボデイに固定していた。
このように従来においてはボデイが複数の部品か
らなり、つまり部品点数が多く、かつその組立て
作業も比較的繁雑であつた。 In conventional cathode ray tube sockets incorporating this type of discharge gap element, the insulating body is divided in the axial direction, that is, in the direction of insertion and removal of the terminal pins of the cathode ray tube, and these two body bodies are used to connect the contacts. The contact and the discharge gap element were fixed to the body by sandwiching the contact and the terminal of the discharge gap element.
As described above, in the past, the body consisted of a plurality of parts, that is, the number of parts was large, and the assembly work was relatively complicated.

この考案の目的は構造が簡単で、しかもコンタ
クト及び放電空隙素子をボデイ内に容易に保持す
ることができる陰極線管ソケツトを提供すること
にある。 The object of this invention is to provide a cathode ray tube socket which is simple in structure and in which contacts and discharge gap elements can be easily held within the body.

この考案によればコンタクト本体とその端子と
の中間部の両側に舌片を一体に形成し、かつこの
中間部と対向してボデイの一面に凹部を形成し、
この凹部内に前記中間部を圧入嵌合して舌片を凹
部内に係止させ、これによりコンタクトをボデイ
に保持する、また前記中間部により放電空隙素子
収容部の挿入側の一部を塞いで放電空隙素子の脱
落が阻止される。 According to this invention, tongue pieces are integrally formed on both sides of the intermediate part between the contact body and its terminal, and a recess is formed on one surface of the body opposite to this intermediate part,
The intermediate portion is press-fitted into the recess to lock the tongue in the recess, thereby holding the contact in the body, and the intermediate portion also closes a part of the insertion side of the discharge cavity element housing portion. This prevents the discharge gap element from falling off.

次に図面を参照してこの考案による陰極線管ソ
ケツトの実施例を説明する。 Next, an embodiment of the cathode ray tube socket according to this invention will be described with reference to the drawings.

第１図乃至第３図に示すように、絶縁材よりな
るボデイ１１は中心孔１２を有するデイスク状を
しており、その軸心１３を中心とする円上に複数
のコンタクト収容部１４が等間隔で配列されてボ
デイ１１内に形成されている。各コンタクト収容
部１４はボデイ１１の前後方向に延長し、その前
方端は陰極線管の端子ピンが挿脱される小孔と連
通され、後方端はボデイ１１の背面１５に開口し
ている。コンタクト収容部１４の配列円の外側に
おいて、その円と同心的に円弧状溝の放電空隙素
子収容部１６がボデイ１１の背面１５に形成され
ている。ボデイ１１の背面１５周縁部より後方に
延長してつば部１７が一体に形成されている。つ
ば部１７の外径はボデイ１１の外径よりも僅か大
とされてある。 As shown in FIGS. 1 to 3, a body 11 made of an insulating material has a disk shape with a center hole 12, and a plurality of contact accommodating portions 14 are arranged equally on a circle centered on the axis 13. They are formed within the body 11 and arranged at intervals. Each contact accommodating portion 14 extends in the front-rear direction of the body 11, its front end communicates with a small hole into which a terminal pin of a cathode ray tube is inserted and removed, and its rear end opens into the back surface 15 of the body 11. On the outside of the arrangement circle of the contact accommodating part 14, a discharge gap element accommodating part 16 in the form of an arcuate groove is formed on the back surface 15 of the body 11 concentrically with the circle. A collar portion 17 is integrally formed extending rearward from the peripheral edge of the back surface 15 of the body 11. The outer diameter of the flange portion 17 is slightly larger than the outer diameter of the body 11.

各コンタクト収容部１４にはそれぞれコンタク
ト本体１８が収容され、コンタクト本体１８の後
方端は軸心１３に対し外側に折曲げ延長され、中
間部１９とされ、更につば部１７の位置において
後方に折曲げ延長されて端子２１とされ、端子２
１はつば部１７より後方に突出されている。コン
タクト本体１８、中間部１９、端子２１の連結体
をコンタクトと呼ぶ。 Each contact accommodating portion 14 accommodates a contact body 18, and the rear end of the contact body 18 is bent and extended outward with respect to the axis 13 to form an intermediate portion 19, and further bent rearward at the position of the collar portion 17. It is bent and extended to form terminal 21, and terminal 2
1 protrudes rearward from the collar portion 17. A connected body of the contact body 18, intermediate portion 19, and terminal 21 is called a contact.

放電空隙素子２２は接続されるべきコンタクト
本体１８と対応して、放電空隙素子収容部１６に
それぞれボデイ１１の背面から挿入される。放電
空隙素子２２は例えば第２図及び第４図に示すよ
うに、一対の電極２３，２４の一端が近接対向
し、他端が絶縁材の保持片２５に保持されてい
る。一方の電極２３は保持片２５より両側に導出
されて連結片２６とされている。複数の放電空隙
素子２２は連結片２６にて順次連結されている。
他方の電極２４の他端は保持片２５より突出して
端子２７とされる。端子２７の端部は両側にテー
パが付けられて先細とされ、また長手方向に沿つ
て切溝２８が形成されている。 The discharge gap elements 22 are respectively inserted into the discharge gap element accommodating portions 16 from the back side of the body 11 in correspondence with the contact bodies 18 to be connected. As shown in FIGS. 2 and 4, for example, the discharge gap element 22 has a pair of electrodes 23 and 24, one end of which is closely opposed to the other, and the other end is held by a holding piece 25 made of an insulating material. One electrode 23 is led out from the holding piece 25 to both sides to form a connecting piece 26 . The plurality of discharge gap elements 22 are sequentially connected by connecting pieces 26.
The other end of the other electrode 24 protrudes from the holding piece 25 and serves as a terminal 27 . The ends of the terminals 27 are tapered on both sides, and have grooves 28 formed along the longitudinal direction.

このような放電空隙素子２２の連結体は例えば
次のようにして作ることができる。即ち第５図に
示すように金属板の打抜き加工又は化学的蝕刻に
より、複数の電極２３，２４、端子２７の組が平
行に配列され、かつ電極２３の他端が連結片２６
で連結され、端子２７の先端が連結片２６と平行
な結合片２９で連結され、更に各電極２３，２
４、端子２７の組の間において、連結片２６及び
結合片２９が補助片３１で連結されたものとす
る。この第５図ではこのような複数の電極２３，
２４、端子２７、補助片３１を結合片２９を共通
としてその両側に形成している。端子２７は前述
した先細の形状とし、かつ切溝２８が形成されて
いる。各電極２３，２４を保持する保持片２５が
第６図に示すようにモールドにより形成される。
保持片２５は方形状をしており、その一辺内に電
極２３と連結片２６との連結部が埋込まれ、補助
片３１には接触しない。次に第７図に示すように
結合片２９、補助片３１を切離した後、第４図に
示したように連結片２６を円弧状に曲げ、この状
態でボデイ１１の円弧状の放電空隙素子収容部１
６内に収容する。第４図、第７図において放電空
隙素子連結体の一端に、電極２３，２４をもたな
い長方形モールド片３２が設けられ、そのモール
ド片３２を通してアース端子３３が連結片２６に
一体に連結されている。 Such a connected body of discharge gap elements 22 can be made, for example, as follows. That is, as shown in FIG. 5, a plurality of pairs of electrodes 23, 24 and terminals 27 are arranged in parallel by punching or chemically etching a metal plate, and the other end of the electrode 23 is connected to a connecting piece 26.
The tips of the terminals 27 are connected by a connecting piece 29 parallel to the connecting piece 26, and each electrode 23, 2
4. It is assumed that the connecting piece 26 and the connecting piece 29 are connected by the auxiliary piece 31 between the sets of terminals 27. In this FIG. 5, a plurality of such electrodes 23,
24, a terminal 27, and an auxiliary piece 31 are formed on both sides of a common connecting piece 29. The terminal 27 has the above-mentioned tapered shape and has a cut groove 28 formed therein. A holding piece 25 for holding each electrode 23, 24 is formed by molding as shown in FIG.
The holding piece 25 has a rectangular shape, and a connecting portion between the electrode 23 and the connecting piece 26 is embedded in one side thereof, and does not come into contact with the auxiliary piece 31. Next, as shown in FIG. 7, after separating the connecting piece 29 and the auxiliary piece 31, the connecting piece 26 is bent into an arc shape as shown in FIG. Storage part 1
Contained within 6. In FIGS. 4 and 7, a rectangular molded piece 32 without electrodes 23 and 24 is provided at one end of the discharge gap element assembly, and a ground terminal 33 is integrally connected to the connecting piece 26 through the molded piece 32. ing.

この考案においては第８図乃至第１０図に示す
ようにコンタクトの中間部１９の両側に舌片３
４，３５が一体に形成される。舌片３４，３５は
それぞれ台形状をしており、その頂辺で中間部１
９と連結され、必要に応じ底辺の中央部に切込み
３６，３７が形成される。舌片３４，３５は中間
部１９との連結部で端子２１側に斜めに曲げられ
ている。なお端子２１の中間部１９側の部分は両
側に広げられて幅広部３８とされ、この幅広部３
８の幅は中間部１９の幅より大とされる。中間部
１９にその長手方向に沿つて溝孔３９が形成され
溝孔３９は幅広部３８の途中まで連結形成されて
いる。 In this invention, as shown in FIGS. 8 to 10, tongue pieces 3 are provided on both sides of the intermediate portion 19 of the contact.
4 and 35 are integrally formed. Each of the tongue pieces 34 and 35 has a trapezoidal shape, and the top side of the tongue pieces 34 and 35 touch the middle part 1
9, and cuts 36 and 37 are formed in the center of the bottom as necessary. The tongue pieces 34 and 35 are bent obliquely toward the terminal 21 at the connection portion with the intermediate portion 19. Note that the portion of the terminal 21 on the intermediate portion 19 side is widened on both sides to form a wide portion 38, and this wide portion 3
8 is larger than the width of the intermediate portion 19. A slot 39 is formed in the intermediate portion 19 along its longitudinal direction, and the slot 39 is connected to the middle of the wide portion 38 .

一方ボデイ１１には、第２図、第３図及び第１
１図乃至第１３図に示すようにコンタクトの中間
部１９と対応して係合凹部４１が形成され、その
係合凹部４１に中間部１９が圧入嵌合され、舌片
３４，３５が係合凹部４１の内壁面に係合され
る。即ち係合凹部４１は各コンタクト収容部１４
の位置から放電空隙素子収容部１６を通りつば部
１７の位置まで放射状にボデイ１１の背面１５に
形成され、コンタクト本体１８側と端子２１側と
において収容部１６と連通して各係合凹部４１の
幅が拡大され、拡大部４２が収容部１６の一部を
含んで構成される。この係合凹部４１の背面１５
からの深さは舌片３４，３５が係合凹部４１内に
充分挿入されるように選定され、舌片３４，３５
の各突出側両端の爪状部が係合凹部４１の拡大部
４２の四隅に弾性的に係合される。つまりコンタ
クト挿入前においては舌片３４，３５の突出端の
間隔D₁及び各舌片の突出端間隔D₂は拡大部４２
の幅W₁及び長さL₁よりそれぞれ僅か大とされ、
中間部１９を係合凹部４１内に圧入すると弾性変
形により舌片３４，３５の間隔D₁，D₂が僅か小
となり、拡大部４２の四隅に舌片３４，３５の爪
部が弾性的に係合し、コンタクトが係合凹部４１
から抜ける方向の力を受けると、舌片３４，３５
の爪部が拡大部４２の四隅の壁面に喰込むように
作用する。従つてコンタクトはボデイ１１に強固
に保持される。 On the other hand, the body 11 includes figures 2, 3 and 1.
As shown in FIGS. 1 to 13, an engagement recess 41 is formed corresponding to the intermediate portion 19 of the contact, the intermediate portion 19 is press-fitted into the engagement recess 41, and the tongue pieces 34, 35 are engaged. It is engaged with the inner wall surface of the recess 41 . In other words, the engagement recess 41 is connected to each contact accommodating portion 14.
It is formed on the back surface 15 of the body 11 in a radial manner from the position through the discharge gap element housing part 16 to the position of the collar part 17, and communicates with the housing part 16 on the contact body 18 side and the terminal 21 side, and each engagement recess 41 The width of the enlarging portion 42 is expanded to include a part of the accommodating portion 16 . The back surface 15 of this engagement recess 41
The depth of the tongue pieces 34, 35 from
The claw-like portions at both ends of each protruding side are elastically engaged with the four corners of the enlarged portion 42 of the engagement recess 41. In other words, before the contact is inserted, the distance D ₁ between the protruding ends of the tongues 34 and 35 and the distance D ₂ between the protruding ends of each tongue are
are slightly larger than the width W ₁ and length L ₁ of
When the intermediate portion 19 is press-fitted into the engagement recess 41, the spacing D ₁ , D ₂ between the tongue pieces 34 , 35 becomes slightly smaller due to elastic deformation, and the claws of the tongue pieces 34 , 35 are elastically attached to the four corners of the enlarged portion 42 . The contact is engaged with the engagement recess 41
When the tongue pieces 34, 35 receive a force in the direction of pulling out from the
The claw portions act to bite into the wall surfaces at the four corners of the enlarged portion 42. Therefore, the contacts are firmly held on the body 11.

またこのようにボデイ１１に保持されたコンタ
クトの中間部１９により、放電空隙素子収容部１
６の背面１５側、つまり放電空隙素子挿入側の一
部が塞がれ、この中間部１９上に、収容部１６内
の放電空隙素子２２が位置し、放電空隙素子２２
の脱落が防止される。 Further, the intermediate portion 19 of the contact held by the body 11 in this manner allows the discharge gap element housing portion 1 to
6 is partially closed on the back side 15 side, that is, on the side where the discharge gap element is inserted, and the discharge gap element 22 in the housing part 16 is located on this intermediate part 19, and the discharge gap element 22
is prevented from falling off.

この例では放電空隙素子２２の電極端子２７は
コンタクト中間部１９の溝孔３９内に圧入されて
電気的に接続される。端子２７の先端部以外の幅
は溝孔３９の幅よりも僅か大とされ、端子２７の
板面と溝孔３９の幅方向とを一致させて端子２７
を溝孔３９内に圧入する。この時舌片３４，３５
の間隔が広がろうとしてコンタクトの凹部４１に
対する係合保持が強められ、かつその反作用でコ
ンタクト中間部１９と端子２７との接触圧も充分
得られる。またこの接触圧を容易に得るため溝孔
３９はコンタクト端子２１側の幅広部３８まで延
長されている。同様に切溝２８も端子２７に弾性
をもたし、この接触を良好にする作用をする。 In this example, the electrode terminal 27 of the discharge gap element 22 is press-fitted into the slot 39 of the contact intermediate portion 19 to be electrically connected. The width of the terminal 27 other than the tip part is slightly larger than the width of the slot 39, and the terminal 27 is aligned with the plate surface of the terminal 27 and the width direction of the slot 39.
into the slot 39. At this time, tongue pieces 34, 35
As the distance between the contacts widens, the engagement and retention of the contacts in the recesses 41 is strengthened, and as a reaction to this, sufficient contact pressure between the contact intermediate portions 19 and the terminals 27 is obtained. Further, in order to easily obtain this contact pressure, the slot 39 is extended to the wide portion 38 on the contact terminal 21 side. Similarly, the kerf 28 also provides elasticity to the terminal 27 and serves to improve this contact.

係合凹部４１のつば部１７側の端部両側に補強
溝４３，４４が形成され、これら補強溝４３，４
４に、端子２１の幅広部３８の両側部が案内挿入
され、端子２１の軸心１３と直角方向の強度が補
強される。 Reinforcement grooves 43 and 44 are formed on both sides of the end of the engagement recess 41 on the side of the collar 17.
4, both sides of the wide portion 38 of the terminal 21 are guided and inserted, thereby reinforcing the strength of the terminal 21 in the direction perpendicular to the axis 13.

第１図乃至第３図に示すようにボデイ１１の一
側部に高圧用放電空隙収容室５１が形成されてい
る。収容室５１はほゞ直方体状をしており、この
例ではボデイ前面側は取外し自在の絶縁材のキヤ
ツプ５２とされ、その他の収容室本体５３はボデ
イ１１と一体に形成される。放電空隙収容室５１
内には、高圧用放電空隙電極５４，５５が所定の
間隔で対向して収容される。電極５４，５５はそ
れぞれ半球状をしており、その周縁部と一体に方
形状の基部５６，５７が一体に形成されている。
つまり各方形金属板の中心部が半球状に押出され
てそれぞれ電極５４，５５とされる。 As shown in FIGS. 1 to 3, a high voltage discharge gap housing chamber 51 is formed on one side of the body 11. As shown in FIGS. The storage chamber 51 has a substantially rectangular parallelepiped shape, and in this example, a removable insulating cap 52 is provided on the front side of the body, and the other storage chamber main body 53 is formed integrally with the body 11. Discharge gap accommodation chamber 51
High-voltage discharge gap electrodes 54 and 55 are housed therein, facing each other at a predetermined interval. The electrodes 54 and 55 each have a hemispherical shape, and rectangular bases 56 and 57 are integrally formed with the peripheral edges thereof.
That is, the center portion of each rectangular metal plate is extruded into a hemispherical shape to form electrodes 54 and 55, respectively.

一方の電極５４は高圧用コンタクト本体５８と
一体に形成される。つまり第１４図、第１５図に
示すように電極基部５６のボデイ背面よりの側縁
中間部より、これとほゞ直角に連結部５９が一体
に延長され、連結部５９の他端に高圧用コンタク
ト本体５８が電極５４の背面と対向して一体に形
成される。連結部５９の中間部一側に半田付用端
子６１が一体に立てられる。更に電極基部５６の
ボデイ前面側の一側に差込み結合端子６２が電極
背面側において一体に形成される。例えば電極基
部５６のコンタクト本体５８と平行な一側縁の前
方端より直角にコンタクト本体５８側に延長され
た後、電極基部５６と対向するように折曲げられ
た保持片６３が一体に形成され、その保持片６３
の前方縁より弾性係止片６４が電極基部５６に近
ずくように斜めに折返されて一体に形成される。
弾性係止片６４の先端は電極基部５６に近接又は
接触し、前方より接続リード線６５を弾性係止片
６４及び電極基部５６間に圧入すると、挿入され
たリード線６５を抜こうとする時弾性係止片６４
の先端が引掛り容易には抜けないようになる。こ
のようにしてリード線を単に差込むだけで端子と
結合される差込み結合端子６２が構成される。 One electrode 54 is formed integrally with a high voltage contact body 58. In other words, as shown in FIGS. 14 and 15, a connecting portion 59 is integrally extended from the middle part of the side edge of the electrode base 56 from the back side of the body, substantially perpendicular thereto, and the other end of the connecting portion 59 is connected to a high voltage source. A contact body 58 is integrally formed opposite the back surface of the electrode 54. A soldering terminal 61 is integrally erected on one side of the intermediate portion of the connecting portion 59. Further, a plug-in coupling terminal 62 is integrally formed on one side of the electrode base 56 on the front side of the body on the back side of the electrode. For example, a holding piece 63 is integrally formed, which is extended from the front end of one side edge parallel to the contact body 58 of the electrode base 56 at a right angle toward the contact body 58 and then bent to face the electrode base 56. , its holding piece 63
The elastic locking piece 64 is integrally folded obliquely so as to approach the electrode base 56 from the front edge thereof.
The tip of the elastic locking piece 64 is close to or in contact with the electrode base 56, and when the connecting lead wire 65 is press-fitted between the elastic locking piece 64 and the electrode base 56 from the front, when the inserted lead wire 65 is to be pulled out. Elastic locking piece 64
The tip will get caught and will not come out easily. In this way, the plug-in coupling terminal 62, which can be coupled to a terminal simply by inserting the lead wire, is constructed.

電極５４，５５は例えば次のように収容室５１
内に収容保持される。即ち第２図、第１６図及び
第１８図に示すように収容室本体５３のボデイ１
１との対向壁６５と近接対向して内部に一対の支
持片６６ａ，６６ｂが設けられる。支持片６６
ａ，６６ｂは収容室本体５３の底板（ボデイ１１
の背面１５側の壁）６７と一体とされ、かつ互に
外側の端は対向壁６５に連結されている。これら
支持片６６ａ，６６ｂと対向壁６５との間に電極
基部５７の両側部を挿入し電極５５が支持片６６
ａ，６６ｂの間から突出するようにされる。支持
片６６ａ及び対向壁６５間の底板６７に小孔６８
が形成されており、電極基部５７と一体に形成さ
れた端子６９が小孔６８を通じて外部に突出され
る。 For example, the electrodes 54 and 55 are connected to the storage chamber 51 as follows.
It is kept contained within. That is, as shown in FIGS. 2, 16, and 18, the body 1 of the storage chamber main body 53
A pair of support pieces 66a and 66b are provided inside the wall 65 facing the support piece 1 in close proximity to each other. Support piece 66
a and 66b are the bottom plate of the storage chamber main body 53 (body 11
(wall) 67 on the rear surface 15 side, and their outer ends are connected to the opposing wall 65. Both sides of the electrode base 57 are inserted between the supporting pieces 66a, 66b and the opposing wall 65, so that the electrode 55 is connected to the supporting piece 66.
It is made to protrude from between a and 66b. A small hole 68 is formed in the bottom plate 67 between the support piece 66a and the opposing wall 65.
is formed, and a terminal 69 formed integrally with the electrode base 57 projects to the outside through a small hole 68.

電極５４の基部５６の一側部を挾むように、断
面Ｕ字状の支持片７１が底板６７上に一体に立て
られ、また支持片７１の電極５５側の部分と平行
に支持片７２が底板６７上に一体に立てられる。
更に支持片７２と対向してボデイ１１側に断面Ｕ
字状の補強片７３が同様に底板６７に一体に立て
られ、支持片７２と補強片７３との間に電極基部
５７の他側部が保持される。支持片７１，７２間
より電極５４が突出される。支持片７２及び補強
片７３は支持片７１と反対側において互に連結さ
れている。支持片７２及び補強片７３の間に差込
み結合端子６２が配され、保持片６３が第１５図
に示すように補強片７３の板面にほゞ対接され
る。第１４図に示すように電極基部５６の周辺部
に、電極５４と反対側に小突起７４が押出され、
支持片７１に電極基部５６を挿入した時に、小突
起７４によりガタなく保持される。同様に図に示
してないが電極基部５７にも小突起を形成し、電
極基部５７を支持片６６ａ，６６ｂと対向壁６５
との間に挿入した時に電極基部５７のガタを防止
することができる。 A support piece 71 having a U-shaped cross section is integrally erected on the bottom plate 67 so as to sandwich one side of the base 56 of the electrode 54, and a support piece 72 is placed on the bottom plate 67 in parallel with the part of the support piece 71 on the electrode 55 side. It can be erected in one piece on top.
Further, there is a cross section U on the body 11 side facing the support piece 72.
A letter-shaped reinforcing piece 73 is similarly erected integrally with the bottom plate 67, and the other side of the electrode base 57 is held between the supporting piece 72 and the reinforcing piece 73. The electrode 54 protrudes from between the support pieces 71 and 72. The support piece 72 and the reinforcing piece 73 are connected to each other on the side opposite to the support piece 71. A plug-in connection terminal 62 is arranged between the support piece 72 and the reinforcing piece 73, and the holding piece 63 is substantially in contact with the plate surface of the reinforcing piece 73, as shown in FIG. As shown in FIG. 14, a small protrusion 74 is extruded from the periphery of the electrode base 56 on the side opposite to the electrode 54.
When the electrode base 56 is inserted into the support piece 71, it is held by the small projections 74 without play. Similarly, although not shown in the figure, a small protrusion is also formed on the electrode base 57, and the electrode base 57 is connected to the supporting pieces 66a, 66b and the opposing wall 65.
This can prevent the electrode base 57 from wobbling when inserted between the electrode base 57 and the electrode base 57.

電極基部５６，５７がこのように保持された時
電極５４．５５間の距離が所定値となるようにさ
れてある。これら電極５４，５５間において、こ
れら電極５４，５５間の沿面距離を大とするため
に、第２図、第１６図、第１８図に示すようにリ
ブ７５，７６が収容室本体５３の内壁面に一体に
形成される。また第２図、第１８図乃至第２１図
に示すように底板６７側において、支持片６６
ａ，６６ｂは互に連結されてリブ６６とされ、支
持片７１及び７２は互に連結されてリブ７７とさ
れる。 When the electrode bases 56 and 57 are held in this manner, the distance between the electrodes 54 and 55 is a predetermined value. In order to increase the creepage distance between these electrodes 54 and 55, ribs 75 and 76 are provided inside the storage chamber body 53 as shown in FIGS. 2, 16, and 18. It is formed integrally with the wall surface. Further, as shown in FIGS. 2 and 18 to 21, on the bottom plate 67 side, the support piece 66
a and 66b are connected to each other to form a rib 66, and support pieces 71 and 72 are connected to each other to form a rib 77.

キヤツプ５２は第２図及び第１７図に示すよう
に収容室本体５３の前面側を塞ぐ前面板７８と、
本体５３の外周前方部に、ボデイ１１側を除いて
嵌合される周壁部７９とが一体に構成されてい
る。周壁部７９の対向板部より後方に取付片８
１，８２が一体に延長され、その取付片８１，８
２にはそれぞれ開口８３，８４があけられてい
る。一方第２図及び第１６図に示すように収容室
本体５３の外周壁にキヤツプ５２の周壁部７９の
端面と衝合する段部８５が形成され、またボデイ
１１及び対向壁６５間の周壁の外側にテーパ突部
８６，８７（第１９図も参照）が一体に形成され
ている。キヤツプ５２を本体５３に蓋すると取付
片８１，８２がテーパ突部８６，８７を乗越え周
壁部７９が段部８５と衝合した状態で、丁度テー
パ突部８６，８７が開口８３，８４内に入り、キ
ヤツプ５２が本体５３に取付けられる。この際取
付片８１，８２が案内されるようにテーパ突部８
６，８７が形成されている部分は凹部とされてい
る。 As shown in FIGS. 2 and 17, the cap 52 includes a front plate 78 that closes the front side of the storage chamber main body 53;
A peripheral wall portion 79 is integrally formed with the outer circumferential front portion of the main body 53 except for the body 11 side. Mounting piece 8 is installed rearward from the opposing plate part of the peripheral wall part 79.
1 and 82 are integrally extended, and their mounting pieces 81 and 8
2 have openings 83 and 84, respectively. On the other hand, as shown in FIGS. 2 and 16, a stepped portion 85 is formed on the outer peripheral wall of the storage chamber main body 53 and abuts against the end surface of the peripheral wall portion 79 of the cap 52, and the peripheral wall between the body 11 and the opposing wall 65 is Tapered protrusions 86 and 87 (see also FIG. 19) are integrally formed on the outside. When the cap 52 is placed on the main body 53, the mounting pieces 81 and 82 go over the tapered protrusions 86 and 87, and with the peripheral wall 79 abutting the stepped part 85, the tapered protrusions 86 and 87 are just inserted into the openings 83 and 84. The cap 52 is attached to the main body 53. At this time, the tapered protrusion 8
The portion where 6 and 87 are formed is a recess.

キヤツプ５２の内面にリブ６６，７７と対向し
たリブ９１，９２と、リブ７５，７６間と対向し
た位置にリブ９３とが一体に形成される。なおリ
ブ９１及び９２は両側部では支持片６６ａ，６６
ｂ及び７１，７２が邪魔になるのを避けるため第
１７図に示すようにそれぞれ互に内側にずらされ
ている。このようにして電極５４，５５間の沿面
距離が大とされている。またこのように支持片６
６ａ，６６ｂ，７１，７２、リブ６６，７７，９
１，９２は沿面距離を大とする絶縁衝壁として作
用すると共に電極の支持を行つている。 Ribs 91 and 92 facing the ribs 66 and 77 are integrally formed on the inner surface of the cap 52, and a rib 93 is formed at a position facing between the ribs 75 and 76. Note that the ribs 91 and 92 are supported by support pieces 66a and 66 on both sides.
b, 71 and 72 are shifted inward from each other as shown in FIG. 17 to avoid them getting in the way. In this way, the creepage distance between the electrodes 54 and 55 is increased. Also, like this, the support piece 6
6a, 66b, 71, 72, ribs 66, 77, 9
1 and 92 act as insulating barriers that increase the creepage distance and also support the electrodes.

キヤツプ５２には第２図及び第１７図に示すよ
うにそのボデイ１１側に突出した抑え片９４が後
方に延長して一体に形成されている。一方第２
図、第１６図、第１８図に示すようにボデイ１１
の高圧用放電空隙収容室５１側に、前面より収容
室本体５３の空間及び高圧用コンタクト収容部９
５と連通した嵌合溝９６が形成され、キヤツプ５
２を本体５３に取付けた時、抑え片９４が嵌合溝
９６内に嵌合して抑え片９４の端面で連結部５９
をコンタクト本体５８と接近した個所で底板６７
に抑え付け、コンタクト本体５８と連結部５９と
の連結部分が陰極線管端子ピンの挿脱の繰返しに
より機械的に曲げられ、弱くなるのを防止する。 As shown in FIGS. 2 and 17, the cap 52 is integrally formed with a restraining piece 94 that protrudes toward the body 11 and extends rearward. On the other hand, the second
As shown in FIGS. 16 and 18, the body 11
The space of the storage chamber main body 53 and the high voltage contact storage section 9 are located on the high voltage discharge gap storage chamber 51 side from the front.
A fitting groove 96 communicating with the cap 5 is formed.
2 is attached to the main body 53, the holding piece 94 fits into the fitting groove 96, and the end surface of the holding piece 94 connects the connecting portion 59.
The bottom plate 67 is located close to the contact body 58.
This prevents the connecting portion between the contact body 58 and the connecting portion 59 from being mechanically bent and weakened by repeated insertion and removal of the cathode ray tube terminal pin.

第１図及び第１５図に示すように差込み結合端
子６２と対応してキヤツプ５２にリード線孔９７
が形成され、かつリード線孔９７と同心的に案内
筒９８がキヤツプ５２の外面に一体に形成され
る。またキヤツプ５２の内面にリード線孔９７の
位置より弾性係止片６４に近接して沿う傾斜突起
９９が一体に形成され、リード線を抜く時に弾性
係止片６４が折れ曲がらないようにすることがで
きる。案内筒９８はリード線６５をリード線孔９
７に挿入した時、その絶縁被覆の端部が嵌合挿入
される。半田付端子６１に対しリード線を接続す
る場合は、キヤツプ５２に案内筒９８と隣接して
半田端子用のリード線挿通孔を設けるか、リード
線孔９７、案内筒９８を省略して半田端子用のリ
ード線挿通孔のみを形成すればよい。 As shown in FIGS. 1 and 15, a lead wire hole 97 is provided in the cap 52 corresponding to the plug-in coupling terminal 62.
, and a guide tube 98 is integrally formed on the outer surface of the cap 52 concentrically with the lead wire hole 97 . In addition, an inclined protrusion 99 is integrally formed on the inner surface of the cap 52 and extends closer to the elastic locking piece 64 than the position of the lead wire hole 97 to prevent the elastic locking piece 64 from bending when pulling out the lead wire. I can do it. The guide tube 98 guides the lead wire 65 through the lead wire hole 9.
7, the ends of the insulation coating are fitted and inserted. When connecting a lead wire to the soldering terminal 61, either provide a lead wire insertion hole for the solder terminal in the cap 52 adjacent to the guide tube 98, or omit the lead wire hole 97 and the guide tube 98 and use the solder terminal. It is only necessary to form a lead wire insertion hole for the purpose.

第４図に示した放電空隙素子体の代りに、その
端子２７を長くし、第２２図に示すように係止凹
部４１の底面に沿つて外側に折曲げ、更につげ部
１７の位置で後方に折曲げてコンタクトの端子２
１に沿わせて両者を半田付けるようにしてもよ
い。第２３図に示すように連結片２６と電極２３
とを別体とし、電極２３の他端を連結片２６に圧
入係合させてもよい。また一つの放電空隙素子の
一方の連結片２６に第２４図に示すように弾性挾
持部１０１を形成し、この挾持部１０１に隣接す
る放電空隙素子の一方の連結片を嵌合させて放電
空隙素子を順次連結してもよい。コンタクト本体
１８としては筒状体のものに限らず二叉状のもの
でもよい。 Instead of the discharge gap element body shown in FIG. 4, the terminal 27 is made longer, bent outward along the bottom surface of the locking recess 41 as shown in FIG. Terminal 2 of the contact
It is also possible to solder both along the line 1. As shown in FIG. 23, the connecting piece 26 and the electrode 23
The electrode 23 may be made into a separate body, and the other end of the electrode 23 may be press-fitted into the connecting piece 26. Further, as shown in FIG. 24, an elastic clamping part 101 is formed on one connecting piece 26 of one discharge gap element, and one connecting piece of the discharge gap element adjacent to this clamping part 101 is fitted to form a discharge gap. The elements may be connected sequentially. The contact body 18 is not limited to a cylindrical body, but may be bifurcated.

以上述べたようにこの考案の陰極線管ソケツト
によれば、コンタクト中間部をボデイの背面に形
成した係合凹部内に圧入嵌合するのみでコンタク
トはボデイに保持され、かつそのコンタクトによ
り放電空隙素子の脱落が防止され、ボデイを分割
形成する必要がなく、部品点数が少なく、組立て
も簡単である。 As described above, according to the cathode ray tube socket of this invention, the contacts are held in the body by simply press-fitting the intermediate portions of the contacts into the engagement recesses formed on the back surface of the body, and the contacts also hold the discharge gap element. This prevents the body from falling off, there is no need to separate the body, the number of parts is small, and assembly is easy.

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案による陰極線管ソケツトの一
例を示す平面図、第２図は第１図のAA線断面
図、第３図は第１図の底面図、第４図は放電空隙
素子の連結体の一例を示す斜視図、第５図は放電
空隙素子連結体の製造時における金属板の打抜き
状態の例を示す平面図、第６図は第５図の金属板
に保持片２５をモールドした状態を示す平面図、
第７図は第６図に示したものから不要部分を除去
した状態を示す平面図、第８図はコンタクト及び
放電空隙素子の一例を示す斜視図、第９図はコン
タクトの正面図、第１０図は第９図の平面図、第
１１図はコンタクト中間部を係合凹部に圧入嵌合
した状態を示す断面図、第１２図は第１１図の底
面図、第１３図は第１２図においてコンタクトを
外した状態を示す図、第１４図は電極基部５６及
び高圧用コンタクト５８の連結体の例を示す斜視
図、第１５図は差込み結合端子６２及びこれと接
近しているキヤツプの一部を示す断面図、第１６
図は収容室本体５３の一例を示す斜視図、第１７
図はキヤツプ５２の一例を示す内面側を示す斜視
図、第１８図はキヤツプを外したボデイの平面
図、第１９図は第１８図のBB線断面図、第２０
図は第１８図のCC線断面図、第２１図は第１８
図のDD線断面図、第２２図はこの考案の他の例
を示す第２図と対応した断面図、第２３図及び第
２４図はそれぞれ放電空隙素子体の他の例を示す
斜視図である。 １１：ボデイ、１４：コンタクト収容部、１
８：コンタクト本体、１９：中間部、２１：端
子、２２：放電空隙素子、３４，３５：舌片、４
１：係合凹部。 Fig. 1 is a plan view showing an example of a cathode ray tube socket according to this invention, Fig. 2 is a sectional view taken along line AA of Fig. 1, Fig. 3 is a bottom view of Fig. 1, and Fig. 4 is a connection of discharge gap elements. FIG. 5 is a plan view showing an example of the punched state of a metal plate during manufacturing of the discharge gap element assembly, and FIG. 6 is a molded holding piece 25 on the metal plate shown in FIG. 5. A plan view showing the condition,
7 is a plan view showing the state shown in FIG. 6 with unnecessary parts removed, FIG. 8 is a perspective view showing an example of a contact and a discharge gap element, FIG. 9 is a front view of the contact, and FIG. The figure is a plan view of FIG. 9, FIG. 11 is a sectional view showing the state in which the intermediate part of the contact is press-fitted into the engagement recess, FIG. 12 is a bottom view of FIG. 11, and FIG. 13 is the same as that of FIG. 14 is a perspective view showing an example of a connected body of the electrode base 56 and the high-voltage contact 58, and FIG. 15 is a view showing the plug-in coupling terminal 62 and a part of the cap adjacent to it. 16th cross-sectional view showing
The figure is a perspective view showing an example of the storage chamber main body 53, No. 17
18 is a plan view of the body with the cap removed, FIG. 19 is a sectional view taken along line BB of FIG. 18, and FIG.
The figure is a cross-sectional view taken along line CC in Figure 18, and Figure 21 is a cross-sectional view of Figure 18.
FIG. 22 is a sectional view corresponding to FIG. 2 showing another example of this invention, and FIGS. 23 and 24 are perspective views showing other examples of the discharge gap element body. be. 11: Body, 14: Contact housing, 1
8: Contact body, 19: Intermediate portion, 21: Terminal, 22: Discharge gap element, 34, 35: Tongue piece, 4
1: Engagement recess.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 絶縁材のボデイに複数のコンタクト収容部が円
周上に配列されて形成され、この配列円の外側に
おいて同心的に放電空隙収容部が形成され、上記
コンタクト収容部にはそれぞれコンタクト本体が
収容され、上記放電空隙収容部に上記コンタクト
本体と対応して放電空隙素子が収容され、上記各
コンタクト本体と一体の端子がそれぞれボデイの
外部に導出され、その端子と上記コンタクト本体
との中間部の両側に舌片が一体に形成され、これ
ら各中間部と対向して上記ボデイに係合凹部が形
成され、これら各係合凹部に上記各中間部が圧入
嵌合されてその舌片が係合凹部に係止され、かつ
上記中間部は上記放電空隙収容部の放電空隙素子
挿入側を少くとも一部塞いで上記放電空隙素子の
脱落が防止されている陰極線管ソケツト。 A plurality of contact accommodating portions are formed in a body made of an insulating material and arranged on a circumference, a discharge gap accommodating portion is formed concentrically outside the arrangement circle, and a contact body is accommodated in each of the contact accommodating portions. , a discharge gap element is housed in the discharge gap housing part in correspondence with the contact body, a terminal integral with each of the contact bodies is led out to the outside of the body, and both sides of an intermediate portion between the terminal and the contact body A tongue piece is integrally formed in the body, and an engagement recess is formed in the body facing each of these intermediate parts, and each of the intermediate parts is press-fitted into each of these engagement recesses, and the tongue piece is inserted into the engagement recess. a cathode ray tube socket, wherein the intermediate portion closes at least a portion of the discharge gap element insertion side of the discharge gap accommodating portion to prevent the discharge gap element from falling off.