JPH1013062A - Pull-out tool with function for preventing printed circuit board from being pulled out - Google Patents
Pull-out tool with function for preventing printed circuit board from being pulled outInfo
- Publication number
- JPH1013062A JPH1013062A JP18674296A JP18674296A JPH1013062A JP H1013062 A JPH1013062 A JP H1013062A JP 18674296 A JP18674296 A JP 18674296A JP 18674296 A JP18674296 A JP 18674296A JP H1013062 A JPH1013062 A JP H1013062A
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- pull
- housing
- hole
- 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
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】筐体に取り付けられたコネク
タにプリント基板を挿入し、このプリント基板をコネク
タから取り外すときは、プリント基板に取り付けられた
引抜具を回転してプリント基板をコネクタから引き抜
く。この発明は、この引抜具についてのものであり、多
数のプリント基板が筐体に取り付けられている場合に、
個々のプリント基板を筐体から簡便に着脱できるプリン
ト基板の抜け防止機能つき引抜具具についてのものであ
る。BACKGROUND OF THE INVENTION When a printed circuit board is inserted into a connector mounted on a housing and the printed circuit board is removed from the connector, a pulling tool mounted on the printed circuit board is rotated to pull out the printed circuit board from the connector. The present invention relates to this pull-out tool, and when a large number of printed circuit boards are attached to a housing,
The present invention relates to a pull-out tool having a function of preventing a printed board from being detached so that each printed board can be easily detached from a housing.
【0002】[0002]
【従来の技術】次に、従来技術によるプリント基板の引
抜具の構成を図5の分解斜視図により説明する。なお、
図5は実開平04−137093号公報の図1と技術的に同じも
のである。図5の1は筐体、12はプリント基板、13
は引抜具、14はストッパ、15と16はピン、17は
ばねである。筐体1には角がL字状に折り曲げられた端
部1Aが形成される。プリント基板12には端部に穴1
2Aがあけられ、ピン15が挿入され、引抜具13が回
転自在に保持される。2. Description of the Related Art The construction of a printed circuit board extracting tool according to the prior art will be described with reference to an exploded perspective view of FIG. In addition,
FIG. 5 is technically the same as FIG. 1 of Japanese Utility Model Laid-Open No. 04-137093. 5 is a housing, 12 is a printed circuit board, 13
Is a puller, 14 is a stopper, 15 and 16 are pins, and 17 is a spring. The housing 1 has an end 1A whose corner is bent in an L-shape. Hole 1 at the end of printed circuit board 12
2A is opened, the pin 15 is inserted, and the puller 13 is held rotatably.
【0003】引抜具13には、突起13A、突起13
B、レバー13Cがそれぞれ形成され、中央内部に座ぐ
り穴13Dがあけられる。また、突起13Aから距離L
1で突起13Bから距離L2の位置の側面13Eに貫通
穴13Fがあけられ、側面13Eに座ぐり穴13Dと連
絡する長穴13Gがあけられ、上面13Hに座ぐり穴1
3Dと連絡する角穴13Jがあけられる。[0003] The extraction tool 13 includes a projection 13A, a projection 13A.
B and a lever 13C are formed, and a counterbore 13D is formed in the center. Also, the distance L from the projection 13A
1, a through hole 13F is formed in the side surface 13E at a distance L2 from the projection 13B, a slot 13G communicating with the counterbore 13D is formed in the side 13E, and the counterbore 1 is formed in the upper surface 13H.
A square hole 13J communicating with the 3D is opened.
【0004】ストッパ14は引抜具13内を摺動し、端
部に形成された凸部14Aは引抜具13の角穴13Jか
ら突出する。ピン15は、プリント基板12の穴12Aと
引抜具13の貫通穴13Dに挿入され、プリント基板1
2の端部に対し引抜具13を回転自在に保持する。ピン
16はストッパ14の側面に固定され、引抜具13の長
穴13G内でストッパ14を案内する。ばね17は引抜
具13の座ぐり穴13Dに挿入され、ストッパ14を突
起13B側に押す。[0004] The stopper 14 slides inside the pull-out tool 13, and a convex portion 14 A formed at the end protrudes from a square hole 13 J of the pull-out tool 13. The pin 15 is inserted into the hole 12A of the printed circuit board 12 and the through hole 13D of the extraction tool 13, and
The puller 13 is rotatably held with respect to the second end. The pin 16 is fixed to the side surface of the stopper 14, and guides the stopper 14 in the elongated hole 13 </ b> G of the extraction tool 13. The spring 17 is inserted into the counterbore 13D of the puller 13, and pushes the stopper 14 toward the protrusion 13B.
【0005】図5では、ばね17がストッパ14を押し
上げ、ストッパ14の端部と引抜具13の突起13Aが
筐体1の端部1Aを挟んでいるので、プリント基板12
は筐体1から移動しない。凸部14Aを押し下げると、
ストッパ14は引抜具13内を移動し下がる。なお、ス
トッパ14はピン16が長穴13Gでガイドされ、上げ
下げの停止位置を決める。In FIG. 5, since the spring 17 pushes up the stopper 14 and the end of the stopper 14 and the projection 13A of the puller 13 sandwich the end 1A of the housing 1, the printed board 12
Does not move from the housing 1. When the convex portion 14A is pressed down,
The stopper 14 moves inside the extraction tool 13 and moves down. In addition, the stopper 14 guides the pin 16 by the long hole 13G, and determines the stop position of raising and lowering.
【0006】図5において、ストッパ14の凸部14A
を下げたままレバー13Cを反時計方向に回転すること
により、引抜具13が回転し、引抜具13の突起13B
が端部1Aの外側を押すことによりプリント基板12は
右方向に移動し、筐体1から取りはずされる。In FIG. 5, a protrusion 14A of a stopper 14 is provided.
When the lever 13C is rotated counterclockwise while the lever is lowered, the puller 13 rotates, and the protrusion 13B of the puller 13 is rotated.
Pushes the outside of the end 1A, the printed circuit board 12 moves rightward and is removed from the housing 1.
【0007】レバー13Cを時計方向に回転すれば、突
起13Aが端部1Aの内側に接し、てこ力によりプリン
ト基板12を左方向に移動させ、プリント基板12を筐
体1に挿入する。凸部14Aを開放すれば、復帰用のば
ね17の作用によりストッパ4は自動復帰し、プリント
基板2の挿入状態を維持する。When the lever 13C is rotated clockwise, the projection 13A contacts the inside of the end 1A, and the printed board 12 is moved leftward by leverage, and the printed board 12 is inserted into the housing 1. When the protrusion 14A is opened, the stopper 4 automatically returns by the action of the return spring 17, and the inserted state of the printed circuit board 2 is maintained.
【0008】[0008]
【発明が解決しようとする課題】図5の引抜具は構成が
複雑であり、ストッパを下げたままでレバーを回転しな
くてはいけないので、操作が面倒である。この発明は、
引抜具に引抜き機能と抜け防止機能を兼用させ、かつ、
簡易な構成で操作容易な抜け防止機能つき引抜具を提供
することを目的とする。The drawer shown in FIG. 5 has a complicated structure, and the lever must be rotated with the stopper kept down, so that the operation is troublesome. The present invention
The puller has both a pull-out function and a pull-out prevention function, and
An object of the present invention is to provide a pull-out tool having a simple structure and an easy-to-operate pull-out prevention function.
【0009】[0009]
【課題を解決するための手段】この目的を達成するた
め、この発明は、角がL字状に折り曲げられた端部1A
を形成する筐体1に出入りするプリント基板2の引抜具
であって、前記引抜具3は筐体1の端部1Aの内側に接
する突起3Aを形成し、筐体1の端部1Aの外側に接す
る突起3Bを形成し、突起3Bの反対側にレバー3Cを
形成し、突起3Aの近傍に貫通穴3Dをあけ、突起3A
と貫通穴3Dを含む端部にプリント基板2の板厚より微
小大きい縦溝3Eを形成し、縦溝3Eの内壁から突出す
る半球突起3Fを設け、貫通穴3Dにピン5を挿入して
プリント基板2の端部に対し引抜具3を回転自在に保持
し、レバー3Cを第1の方向に回転すると、突起3Aが
筐体1の端部1Aの内側を押してプリント基板2を筐体
1に挿入し、半球突起3Fがプリント基板2の穴2Bに
入りプリント基板2を筐体1にロックし、レバー3Cを
半球突起3Fがプリント基板2の穴2Bを乗り上げる力
で第1の方向と逆の第2の方向に回転すると、プリント
基板2の筐体1に対するロックを解除し、突起3Bが筐
体1の端部1Aの外側を押してプリント基板2を筐体1
から抜く。In order to achieve this object, the present invention provides an end portion 1A having an L-shaped corner.
A pull-out tool for the printed circuit board 2 that enters and exits the housing 1, wherein the pull-out tool 3 forms a protrusion 3 </ b> A that contacts the inside of the end 1 </ b> A of the housing 1, and the outside of the end 1 </ b> A of the housing 1. Is formed, a lever 3C is formed on the opposite side of the projection 3B, and a through hole 3D is formed near the projection 3A to form a projection 3A.
A vertical groove 3E slightly larger than the thickness of the printed circuit board 2 is formed at the end including the through hole 3D, a hemispherical projection 3F protruding from the inner wall of the vertical groove 3E is provided, and a pin 5 is inserted into the through hole 3D for printing. When the puller 3 is rotatably held with respect to the end of the substrate 2 and the lever 3C is rotated in the first direction, the projection 3A pushes the inside of the end 1A of the housing 1 to transfer the printed circuit board 2 to the housing 1. The semi-spherical projection 3F enters the hole 2B of the printed circuit board 2 to lock the printed circuit board 2 to the housing 1, and the lever 3C is turned in the opposite direction to the first direction by the force of the semi-spherical projection 3F riding over the hole 2B of the printed circuit board 2. When the printed circuit board 2 is rotated in the second direction, the printed circuit board 2 is unlocked from the housing 1 and the projection 3B pushes the outside of the end 1A of the housing 1 to move the printed circuit board 2 to the housing 1.
Pull out from.
【0010】[0010]
【発明の実施の形態】以下、図面を参照してこの発明の
一実施の形態を説明する。図1はこの発明の一実施の形
態による引抜具の構成を示す分解斜視図である。図1の
2はプリント基板、3は引抜具、5はピンである。な
お、図1の筐体1は図5の筐体1と同じものである。プ
リント基板2の端部には穴2Aがあけられ、ピン5が挿
入され、引抜具3が回転自在に保持される。An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view showing a configuration of a puller according to an embodiment of the present invention. In FIG. 1, 2 is a printed circuit board, 3 is a pull-out tool, and 5 is a pin. The housing 1 in FIG. 1 is the same as the housing 1 in FIG. A hole 2A is formed in the end of the printed circuit board 2, the pin 5 is inserted, and the pull-out tool 3 is held rotatably.
【0011】図1において、引抜具3の上部には、突起
3Aと突起3Bが形成される。突起3Bの反対側にレバ
ー3Cが形成される。突起3Aの近傍に側面から貫通穴
3Dがあけられる。突起3Aと貫通穴3Dを含む端部に
プリント基板2の板厚より微小大きい縦溝3Eを形成す
る。縦溝3Eの内壁から突出する半球突起3Fを設け
る。ピン5は、プリント基板2の穴2Aと引抜具3の貫
通穴3Dに挿入され、プリント基板2の端部に対し引抜
具3を回転自在に保持する。In FIG. 1, a projection 3A and a projection 3B are formed on the upper portion of the pulling tool 3. A lever 3C is formed on the opposite side of the projection 3B. A through hole 3D is formed in the vicinity of the projection 3A from the side. A vertical groove 3E slightly larger than the thickness of the printed circuit board 2 is formed at the end including the protrusion 3A and the through hole 3D. A hemispherical projection 3F protruding from the inner wall of the vertical groove 3E is provided. The pin 5 is inserted into the hole 2 </ b> A of the printed board 2 and the through hole 3 </ b> D of the removal tool 3, and holds the removal tool 3 rotatably with respect to the end of the printed board 2.
【0012】次に、図2から図4の状態変化図により、
この発明による引抜具の作用を説明する。図2はプリン
ト基板2を筐体1に挿入した状態図であり、図2アは図
1の要部側面図、図2イは図2アのXX断面図である。
図1の状態からレバー3Cを時計方向に回転すると、突
起3Aが筐体1の端部1Aの内側を押し、てこ力でプリ
ント基板2を左方向に移動させる。図2イに示されるよ
うに、半球突起3Fがプリント基板2の穴2Bに入り、
プリント基板2に対する引抜具3の姿勢を維持する。図
2では、プリント基板2は筐体1にロックされ、プリン
ト基板2は容易に抜けることはない。Next, according to the state change diagrams of FIG. 2 to FIG.
The operation of the extraction tool according to the present invention will be described. 2 is a view showing a state in which the printed circuit board 2 is inserted into the housing 1. FIG. 2A is a side view of a main part of FIG. 1, and FIG. 2A is a sectional view taken along the line XX of FIG.
When the lever 3C is rotated clockwise from the state of FIG. 1, the protrusion 3A pushes the inside of the end 1A of the housing 1 and moves the printed board 2 to the left by leverage. As shown in FIG. 2A, the hemispherical projection 3F enters the hole 2B of the printed circuit board 2,
The posture of the extraction tool 3 with respect to the printed circuit board 2 is maintained. In FIG. 2, the printed circuit board 2 is locked to the housing 1, and the printed circuit board 2 does not come off easily.
【0013】図2の状態から、レバー3Cを半球突起3
Fがプリント基板2の穴2Bを乗り上げる力で反時計方
向に回転すると、図3の状態になる。すなわち、図2の
状態からレバー3Cを引き上げると、半球突起3Fを含
む側片が弾性変形して、半球突起3Fが穴2Bから解放
される。From the state shown in FIG.
When F rotates counterclockwise by the force of riding on the hole 2B of the printed circuit board 2, the state shown in FIG. 3 is obtained. That is, when the lever 3C is pulled up from the state of FIG. 2, the side piece including the hemispheric projection 3F is elastically deformed, and the hemispheric projection 3F is released from the hole 2B.
【0014】図2の状態から、引抜具3を一定角度に回
転すると突起3Bが端部1Aの外側に接する。図3は、
突起3Bが端部1Aの外側に接した状態を示している。
図3の状態から、レバー3Cを更に反時計方向に回転す
ると、突起3Bが端部1Aを押し、てこの作用でプリン
ト基板2は右側に移動し、図4の状態になる。When the puller 3 is rotated by a predetermined angle from the state shown in FIG. 2, the projection 3B comes into contact with the outside of the end 1A. FIG.
This shows a state in which the protrusion 3B is in contact with the outside of the end 1A.
When the lever 3C is further rotated counterclockwise from the state shown in FIG. 3, the protrusion 3B pushes the end 1A, and the printed board 2 moves to the right side by the leverage, and the state shown in FIG. 4 is obtained.
【0015】図4の状態では、プリント基板2は筐体1
から取りはずすことができる。図4の状態からレバー3
Cを時計方向に回転すれば、図2のロック状態になる。In the state shown in FIG. 4, the printed circuit board 2 is
Can be removed from Lever 3 from the state of FIG.
If C is rotated clockwise, it will be in the locked state of FIG.
【0016】[0016]
【発明の効果】この発明によれば、引抜具に半球突起を
設け、半球突起がプリント基板の穴に入ることによりロ
ック状態を維持し、半球突起が前記穴を乗り上げる力で
レバーを回転すれば、プリント基板を筐体から抜くこと
ができ、簡易な構成で操作容易な抜け防止機能つき引抜
具を提供できる。According to the present invention, if the extraction tool is provided with a hemispherical projection, the hemispherical projection enters the hole of the printed circuit board to maintain the locked state, and if the hemispherical projection rotates the lever with the force of climbing over the hole, In addition, the printed circuit board can be pulled out of the housing, and a pull-out tool having a simple structure and easy operation can be provided.
【図1】この発明によるプリント基板引抜具の分解斜視
図である。FIG. 1 is an exploded perspective view of a printed board extracting tool according to the present invention.
【図2】この発明によるプリント基板の挿入状態図であ
る。FIG. 2 is an inserted state diagram of a printed circuit board according to the present invention.
【図3】図2の状態変化図である。FIG. 3 is a state change diagram of FIG. 2;
【図4】図3の状態変化図である。FIG. 4 is a state change diagram of FIG. 3;
【図5】従来技術によるプリント基板引抜具の構成図で
ある。FIG. 5 is a configuration diagram of a printed circuit board extracting tool according to the related art.
1 筐体 1A 端部 2 プリント基板 2A 穴 2B 穴 3 引抜具 3A 突起 3B 突起 3C レバー 3D 貫通穴 3E 縦溝 3F 半球突起 DESCRIPTION OF SYMBOLS 1 Housing 1A End part 2 Printed circuit board 2A hole 2B hole 3 Extraction tool 3A protrusion 3B protrusion 3C lever 3D through hole 3E Vertical groove 3F Hemisphere protrusion
Claims (1)
形成する筐体(1) に出入りするプリント基板(2) の引抜
具であって、 前記引抜具(3) は筐体(1) の端部(1A)の内側に接する第
1の突起(3A)を形成し、筐体(1) の端部(1A)の外側に接
する第2の突起(3B)を形成し、第2の突起(3B)の反対側
にレバー(3C)を形成し、第1の突起(3A)の近傍に貫通穴
(3D)をあけ、第1の突起(3A)と貫通穴(3D)を含む端部に
プリント基板(2) の板厚より微小大きい縦溝(3E)を形成
し、縦溝(3E)の内壁から突出する半球突起(3F)を設け、 貫通穴(3D)にピン(5) を挿入してプリント基板(2) の端
部に対し引抜具(3) を回転自在に保持し、 レバー(3C)を第1の方向に回転すると、第1の突起(3A)
が筐体(1) の端部(1A)の内側を押してプリント基板(2)
を筐体(1) に挿入し、半球突起(3F)がプリント基板(2)
の穴(2B)に入りプリント基板(2) を筐体(1) にロック
し、 レバー(3C)を半球突起(3F)がプリント基板(2) の穴(2B)
を乗り上げる力で第1の方向と逆の第2の方向に回転す
ると、プリント基板(2) の筐体(1) に対するロックを解
除し、第2の突起(3B)が筐体(1) の端部(1A)の外側を押
してプリント基板(2) を筐体(1) から抜くことを特徴と
するプリント基板の抜け防止機能つき引抜具。1. A pull-out tool for a printed circuit board (2) which enters and exits a housing (1) forming an end (1A) having an L-shaped bent corner, wherein said pull-out tool (3) is a housing. A first projection (3A) is formed inside the end (1A) of the body (1), and a second projection (3B) is formed outside the end (1A) of the housing (1). A lever (3C) is formed on the opposite side of the second projection (3B), and a through hole is formed near the first projection (3A).
(3D), a vertical groove (3E) slightly larger than the thickness of the printed circuit board (2) is formed at the end including the first protrusion (3A) and the through hole (3D), and the vertical groove (3E) is formed. Provide a hemispherical projection (3F) projecting from the inner wall, insert a pin (5) into the through hole (3D), hold the puller (3) rotatably against the end of the printed circuit board (2), and use the lever ( When 3C) is rotated in the first direction, the first protrusion (3A)
Presses the inside of the end (1A) of the housing (1) and presses the printed circuit board (2)
Into the housing (1), and the hemispherical projection (3F) is on the printed circuit board (2).
Into the hole (2B), lock the printed circuit board (2) to the housing (1), and push the lever (3C) into the hole (2B) on the printed circuit board (2) with the hemispherical projection (3F).
When the printed circuit board (2) is rotated in a second direction opposite to the first direction by a force that rides on the printed circuit board (2), the lock of the printed circuit board (2) with respect to the housing (1) is released. A removal tool with a function to prevent the printed circuit board from coming off, characterized in that the printed circuit board (2) is pulled out of the housing (1) by pushing the outside of the end (1A).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18674296A JPH1013062A (en) | 1996-06-27 | 1996-06-27 | Pull-out tool with function for preventing printed circuit board from being pulled out |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18674296A JPH1013062A (en) | 1996-06-27 | 1996-06-27 | Pull-out tool with function for preventing printed circuit board from being pulled out |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH1013062A true JPH1013062A (en) | 1998-01-16 |
Family
ID=16193865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18674296A Pending JPH1013062A (en) | 1996-06-27 | 1996-06-27 | Pull-out tool with function for preventing printed circuit board from being pulled out |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH1013062A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020155741A (en) * | 2019-03-22 | 2020-09-24 | ファナック株式会社 | Circuit board falling prevention structure and numerical control device |
-
1996
- 1996-06-27 JP JP18674296A patent/JPH1013062A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020155741A (en) * | 2019-03-22 | 2020-09-24 | ファナック株式会社 | Circuit board falling prevention structure and numerical control device |
CN111726960A (en) * | 2019-03-22 | 2020-09-29 | 发那科株式会社 | Circuit board anti-drop structure and numerical control device |
US11224139B2 (en) | 2019-03-22 | 2022-01-11 | Fanuc Corporation | Circuit board fall-out prevention structure and numerical control device |
CN111726960B (en) * | 2019-03-22 | 2024-07-12 | 发那科株式会社 | Circuit board anti-drop structure and numerical control device |
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