JPH09310706A - Locking device - Google Patents
Locking deviceInfo
- Publication number
- JPH09310706A JPH09310706A JP15007096A JP15007096A JPH09310706A JP H09310706 A JPH09310706 A JP H09310706A JP 15007096 A JP15007096 A JP 15007096A JP 15007096 A JP15007096 A JP 15007096A JP H09310706 A JPH09310706 A JP H09310706A
- Authority
- JP
- Japan
- Prior art keywords
- receiving hole
- locking
- sliding cylinder
- ball
- locking shaft
- 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.)
- Granted
Links
Landscapes
- Clamps And Clips (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】 本発明は、鉄道車両の側面
部や底面部に設けられる防護板や点検口蓋板等の施錠装
置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device such as a protective plate and an inspection port cover plate provided on a side surface portion or a bottom surface portion of a railway vehicle.
【0002】[0002]
【従来の技術】 鉄道車両の底面側に装着された機器類
等は、線路面からの雪の巻き込みや飛び石等による破損
や汚損を受ける危険性が高いため、防護板を車両側面部
や底面部に設置し、点検口には蓋板を設置することが望
ましい。2. Description of the Related Art Equipment installed on the bottom side of a railway vehicle is highly likely to be damaged or polluted by the inclusion of snow from the track surface or flying stones. It is desirable to install a lid on the inspection port.
【0003】しかしながら、従来の止め金具等によって
防護板や蓋板を機器箱や車体側の支持枠に取り付けた場
合には、線路面と防護板等との間の空間が狭く限定さ
れ、作業員が止め金具の下方に潜り込む余裕がほとんど
ないため、止め金具による防護板等の錠止の成否、錠止
状態の完全性の点検を肉眼観察で行えないため、防護板
等の採用は防護板等の脱落事故という新たな不安を伴う
ことになる。However, when the protective plate or the cover plate is attached to the equipment box or the support frame on the vehicle body side by conventional fasteners or the like, the space between the track surface and the protective plate or the like is narrowed, and the worker Since there is almost no room to slip under the stopper, it is not possible to visually check the success or failure of locking the protective plate with the stopper and the integrity of the locked state. It will be accompanied by new anxiety about the accident of falling.
【0004】[0004]
【発明が解決しようとする課題】 したがって本発明の
目的は、防護板等を支持枠体に対して的確に錠止するこ
とができ、狭い空間においても錠止の成否や錠止状態の
完全性の肉眼確認を容易に行える施錠装置を提供するこ
とである。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to enable a protective plate and the like to be accurately locked to a support frame, and to ensure the success or failure of locking and the integrity of the locked state even in a narrow space. It is an object of the present invention to provide a locking device that can be easily checked with the naked eye.
【0005】更に本発明の目的は、錠止位置において施
錠軸を回転不能に拘束でき、防護板等の不正解錠や予期
せぬ止め金板の緩みを防止できる施錠装置を提供するこ
とである。A further object of the present invention is to provide a locking device which can lock the locking shaft non-rotatably in the locking position and prevent unauthorized unlocking of the protective plate and unexpected loosening of the stopper plate. .
【0006】[0006]
【課題を解決するための手段】 以下、添付図面中の参
照符号を用いて説明すると、本発明の施錠装置では、本
体ケ−ス2の内周面に突設した規制突起3を摺動筒4の
外周面に前後方向に設けた規制溝5に挿入して、摺動筒
4を本体ケ−ス2内に前後方向に移動可能であって回転
不能に嵌め入れ、摺動筒4の外周に前後方向に対して角
度を持ったカム溝6を設け、前端部に回転操作用工具7
が挿入される工具受孔8を設け、中間部に摺動筒4のカ
ム溝6に通されるガイド突起9を突設し、後端部に止め
金板12を固着した施錠軸13を、摺動筒4の内部に嵌
挿して本体ケ−ス2に回転可能であって前後方向に移動
不能に装着する。[MEANS FOR SOLVING THE PROBLEMS] Hereinafter, referring to the reference numerals in the accompanying drawings, in the locking device of the present invention, a regulating projection 3 protruding from an inner peripheral surface of a body case 2 is provided as a sliding cylinder. 4 is inserted into a regulation groove 5 provided in the front-rear direction on the outer peripheral surface of the sliding cylinder 4, and the sliding cylinder 4 is fitted in the main body case 2 so as to be movable in the front-rear direction and non-rotatable. A cam groove 6 having an angle with respect to the front-rear direction is provided on the front end of the rotary operation tool 7
Is provided with a tool receiving hole 8 into which a guide projection 9 that is inserted into the cam groove 6 of the sliding cylinder 4 is provided in the middle portion, and a locking metal plate 12 is fixed to the rear end portion of the locking shaft 13. It is fitted inside the sliding cylinder 4 and is mounted on the main body case 2 so as to be rotatable and immovable in the front-rear direction.
【0007】そして、施錠軸13に連結用小球14が収
容される球受孔15を設け、連結用小球14の一部が係
合する周溝16を設けたストップピン17を、前記工具
受孔8の底部に連通したピン受孔31に収容し、ストッ
プピン17をピン受孔31に収容したバネ18によって
前方に移動付勢し、摺動筒4に連結用小球14の一部が
係合する錠止孔19を設ける。The locking pin 13 is provided with a ball receiving hole 15 for accommodating the connecting small ball 14, and the stop pin 17 is provided with a circumferential groove 16 with which a part of the connecting small ball 14 is engaged. The pin 18 is accommodated in the pin receiving hole 31 communicating with the bottom of the receiving hole 8, and the stop pin 17 is urged to move forward by the spring 18 accommodated in the pin receiving hole 31 to connect the sliding cylinder 4 to a part of the connecting small ball 14. Is provided with a locking hole 19.
【0008】施錠状態においては、摺動筒4は本体ケ−
ス2内に全長が収容され、連結用小球14が施錠軸13
の球受孔15と摺動筒4の錠止孔19の両者にまたがっ
て係合しているため、施錠軸13は摺動筒4に対して連
結されている。摺動筒4は本体ケース2の規制突起3が
摺動筒4の規制溝5に係合することによって、本体ケー
ス2に対して回転不能に拘束されているものであるか
ら、結果として施錠軸13も本体ケース2に対して回転
不能に拘束されることになる。In the locked state, the sliding cylinder 4 is attached to the main unit case.
The entire length is accommodated in the sleeve 2, and the connecting small ball 14 has the locking shaft 13
Since the ball receiving hole 15 and the lock hole 19 of the sliding cylinder 4 are engaged with each other, the locking shaft 13 is connected to the sliding cylinder 4. The sliding cylinder 4 is non-rotatably restrained with respect to the main body case 2 by the restriction projection 3 of the main body case 2 engaging with the restriction groove 5 of the sliding cylinder 4, and as a result, the locking shaft. 13 is also non-rotatably restrained with respect to the main body case 2.
【0009】防護板1等の対象物を開放解錠するには、
施錠軸13の工具受孔8に回転操作用工具7を挿入して
ストップピン17を奥に押し込む。これによって連結用
小球14が内向きに移動して、施錠軸13の球受孔15
とストップピン17の周溝16の両者にまたがって係合
するため、本体ケース2に対する施錠軸13の回転拘束
が解除される。この状態で回転操作用工具7を所定方向
に回して施錠軸13を回すと、規制突起3と規制溝5の
係合によって回転を阻止されている摺動筒4は、カム溝
6とガイド突起9によるカム作用によって前方移動し
て、前端部が本体ケース2の前面側に突出する。施錠軸
13と一体的に移動した止め金板12は、支持枠体10
側の受金11から離脱するため、防護板1は開放可能と
なる。To open and unlock an object such as the protective plate 1,
The rotary operation tool 7 is inserted into the tool receiving hole 8 of the locking shaft 13 and the stop pin 17 is pushed inward. As a result, the connecting small ball 14 moves inward, and the ball receiving hole 15 of the locking shaft 13 is moved.
And the circumferential groove 16 of the stop pin 17 are engaged with each other, so that the rotation restraint of the locking shaft 13 with respect to the main body case 2 is released. In this state, when the rotation operating tool 7 is rotated in a predetermined direction and the locking shaft 13 is rotated, the sliding cylinder 4 which is prevented from rotating due to the engagement of the restriction protrusion 3 and the restriction groove 5 has the cam groove 6 and the guide projection. The cam action of 9 moves forward, and the front end portion projects to the front surface side of the main body case 2. The stopper plate 12 that has moved integrally with the locking shaft 13 is the support frame body 10.
The protective plate 1 can be opened because it is detached from the side receiving money 11.
【0010】防護板1を閉塞施錠するには、防護板1を
支持枠体10に押し当て、回転操作用工具7を施錠軸1
3の工具受孔8に押し込み、所定方向に回転させる。こ
れによって、摺動筒4はカム溝6とガイド突起9に誘導
されて後方に移動し、前端部を含めた全体が本体ケ−ス
2内に没入する。止め金板12は施錠軸13と一体に回
転し、受金11を前方に押しながら堅固に係合する。摺
動筒4が本体ケース2内に完全に入り込んだ後、施錠軸
13の工具受孔8から回転操作用工具7を抜き取ると、
ストップピン17がバネ18の付勢によって通常位置に
前進するため、連結用小球14が外向きに移動する。か
くして、ストップピン17の周溝16と施錠軸13の球
受孔15の両者に係合していた連結用小球14が、球受
孔15と摺動筒4の錠止孔19にまたがって係合するた
め、施錠軸13は摺動筒4に対して連結され、施錠軸1
3は本体ケース2に対して回転不能に拘束される。To close and lock the protective plate 1, the protective plate 1 is pressed against the support frame 10 and the rotary operation tool 7 is attached to the locking shaft 1.
It is pushed into the tool receiving hole 8 of No. 3 and rotated in a predetermined direction. As a result, the sliding cylinder 4 is guided by the cam groove 6 and the guide projection 9 to move rearward, and the entire body including the front end portion is retracted into the main body case 2. The stopper plate 12 rotates integrally with the locking shaft 13, and firmly engages while pushing the catch 11 forward. After the sliding cylinder 4 has completely entered the body case 2, when the rotary operation tool 7 is pulled out from the tool receiving hole 8 of the locking shaft 13,
Since the stop pin 17 is advanced to the normal position by the urging force of the spring 18, the connecting small ball 14 moves outward. Thus, the connecting small ball 14 engaged with both the circumferential groove 16 of the stop pin 17 and the ball receiving hole 15 of the locking shaft 13 straddles the ball receiving hole 15 and the lock hole 19 of the sliding cylinder 4. To engage, the locking shaft 13 is connected to the sliding barrel 4 and the locking shaft 1
3 is non-rotatably restrained with respect to the main body case 2.
【0011】[0011]
【発明の実施の形態】 図示した実施形態では、円筒形
の本体ケ−ス2は防護板1に設けた取付孔20に前面側
から嵌挿され、後面側から取付ナット21を本体ケ−ス
2の雄ねじ部22にねじ合わせて防護板1に締付固着さ
れている。取付ナット21の直径方向にねじ込んだ止め
ビス23を本体ケ−ス2に押し付けることによって取付
ナット21の緩み止めを行っている。本体ケース2の前
面部は、対象とする鉄道車両の側面形状に符合するよう
傾斜面に形成されている。施錠軸13と本体ケース2の
間には防水用O−リング33が挿入され、摺動筒4よ本
体ケース2の間には防水用Oーリング34が挿入されて
いる。施錠軸13の中間部には抜け止め用C−リング3
2が装着されている。規制突起3は半径方向の透孔36
に挿入されたピン体で構成され、該ピン体には抜け止め
ピン35が打ち込まれている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the illustrated embodiment, a cylindrical body case 2 is fitted into a mounting hole 20 provided in a protective plate 1 from the front side, and a mounting nut 21 is attached to the body case from the rear side. It is fixed to the protective plate 1 by screwing it onto the male screw portion 22 of No. 2. The set nut 21 is prevented from loosening by pressing a set screw 23 screwed in the diametrical direction of the set nut 21 against the body case 2. The front surface portion of the main body case 2 is formed as an inclined surface so as to conform to the side surface shape of the target railway vehicle. A waterproof O-ring 33 is inserted between the locking shaft 13 and the main body case 2, and a waterproof O-ring 34 is inserted between the sliding cylinder 4 and the main body case 2. A C-ring 3 for retaining is provided in the middle of the locking shaft 13.
2 is installed. The restriction protrusion 3 has a radial through hole 36.
The pin body is inserted into the pin body, and the retaining pin 35 is driven into the pin body.
【0012】本体ケース2に対して摺動筒4を回転不能
に拘束するとともに、摺動筒4を前後方向に案内する規
制突起3と規制溝5は、直径上に対向して2個設けられ
ている。施錠軸13に対して摺動筒4を前後方向に駆動
するカム溝6とガイド突起9は、直径方向に対向して2
個設けられている。ストップピン17の付勢用バネ18
には圧縮コイルバネが使用されている。ストップピン1
7の周溝16は段付きV字形状に形成され、斜面に形成
された前後内壁面は、連結用小球14を外向きまたは内
向きに移動させて一部を摺動筒4の錠止孔19に係合ま
たは離脱させるときのカム面として働く。Two restricting projections 3 and restricting grooves 5 for restricting the sliding cylinder 4 so that it cannot rotate relative to the main body case 2 and for guiding the sliding cylinder 4 in the front-rear direction are provided diametrically opposite to each other. ing. The cam groove 6 and the guide projection 9 for driving the sliding cylinder 4 in the front-rear direction with respect to the locking shaft 13 are diametrically opposed to each other.
It is provided individually. Biasing spring 18 for stop pin 17
A compression coil spring is used for. Stop pin 1
The circumferential groove 16 of 7 is formed in a stepped V shape, and the front and rear inner wall surfaces formed on the slope move the connecting small balls 14 outward or inward to partially lock the sliding cylinder 4. It acts as a cam surface when engaging or disengaging the hole 19.
【0013】回転操作用工具7としては、六角レンチが
使用されており、施錠軸13の前端部の挿入孔8は六角
形凹部で構成されている。施錠軸13の後端部には角軸
部24とねじ棒部25が形成され、止め金板12を基端
部の角孔26にて角軸部24に回転不能に嵌め込み、ね
じ棒部25に座金27と六角ナット28を嵌めることに
よって止め金板12を施錠軸13に固着している。ねじ
棒部25の先端部に直径方向に設けたピン孔29にスナ
ップピン30を差し込むことによって、六角ナット28
の緩みを防止している。A hexagonal wrench is used as the rotary operation tool 7, and the insertion hole 8 at the front end of the locking shaft 13 is a hexagonal recess. A square shaft portion 24 and a screw rod portion 25 are formed at the rear end portion of the locking shaft 13, and the stopper plate 12 is non-rotatably fitted into the square shaft portion 24 through a square hole 26 at the base end portion. The stopper plate 12 is fixed to the locking shaft 13 by fitting a washer 27 and a hexagonal nut 28 on the lock plate 13. By inserting the snap pin 30 into the pin hole 29 provided in the distal end portion of the screw rod portion 25 in the diametrical direction, the hexagon nut 28
To prevent loosening.
【0014】[0014]
【発明の効果】 以上のように本発明の施錠装置では、
本体ケース2に対して回転不能に設けた摺動筒4を、回
転操作用工具7による施錠軸13の解錠操作時にカム溝
6とガイド突起9によって前方に移動させ、摺動筒4の
前端部を本体ケース2の前面側に突出させるので、防護
板1等の対象物が施錠されているか、あるいは解錠され
ているかは、摺動筒4の突出状態によって示されること
になり、狭い空間であっても肉眼で容易に確認できる。As described above, in the locking device of the present invention,
A front end of the slide cylinder 4 is moved forward by the cam groove 6 and the guide protrusion 9 when the lock operation shaft 7 is unlocked by the rotation operation tool 7 when the slide cylinder 4 that is not rotatable with respect to the main body case 2 is unlocked. Since the portion is projected to the front side of the main body case 2, whether the object such as the protective plate 1 is locked or unlocked is indicated by the protruding state of the sliding cylinder 4, and the narrow space. However, it can be easily confirmed with the naked eye.
【0015】また、施錠状態においては施錠軸13の球
受孔15と摺動筒4の錠止孔19にまたがって係合する
連結用小球14によって施錠軸13が回転不能に拘束さ
れるので、不正解錠や止め金板12の無意図的な緩みが
防止され、脱落事故等の懸念なしに防護板1等を使用す
ることができる。Also, in the locked state, the locking shaft 13 is non-rotatably restrained by the connecting small ball 14 that engages with the ball receiving hole 15 of the locking shaft 13 and the locking hole 19 of the sliding cylinder 4. Unauthorized unlocking and unintentional loosening of the stopper plate 12 can be prevented, and the protective plate 1 and the like can be used without fear of falling accidents.
【図1】 本発明の一実施形態に係る防護板用施錠装置
の正面図である。FIG. 1 is a front view of a protective plate locking device according to an embodiment of the present invention.
【図2】 該防護板用施錠装置の背面図である。FIG. 2 is a rear view of the locking device for the protective plate.
【図3】 該防護板用施錠装置の右側面図である。FIG. 3 is a right side view of the locking device for the protective plate.
【図4】 該防護板用施錠装置の施錠状態における図1
のA−A線断面図である。FIG. 4 is a view showing the locking device for the protective plate in a locked state.
FIG. 9 is a sectional view taken along line AA of FIG.
【図5】 該防護板用施錠装置の解錠状態における図1
のA−A線断面図である。FIG. 5 is a view of the locking device for the protective plate in an unlocked state.
FIG. 9 is a sectional view taken along line AA of FIG.
【図6】 該防護板用施錠装置の施錠状態における図1
のB−B線断面図であり、摺動筒の一部を切り欠いて示
してある。[Fig. 6] Fig. 1 in a locked state of the locking device for the protective plate.
FIG. 6B is a sectional view taken along line BB of FIG.
1 防護板 2 本体ケ−ス 3 規制突起 4 摺動筒 5 規制溝 6 カム溝 7 回転操作用工具 8 工具受孔 9 ガイド突起 10 支持枠 11 受金 12 止め金板 13 施錠軸 14 連結用小球 15 施錠軸の球受孔 16 ストップピンの周溝 17 ストップピン 18 ストップピン付勢用バネ 19 摺動筒の錠止孔 20 防護板の取付孔 31 施錠軸のピン受孔 DESCRIPTION OF SYMBOLS 1 Protective plate 2 Main body case 3 Control protrusion 4 Sliding cylinder 5 Control groove 6 Cam groove 7 Tool for rotation operation 8 Tool receiving hole 9 Guide protrusion 10 Support frame 11 Receiving 12 Locking metal plate 13 Locking shaft 14 Small for connection Ball 15 Ball receiving hole for locking shaft 16 Circumferential groove for stop pin 17 Stop pin 18 Stop pin biasing spring 19 Locking hole for sliding cylinder 20 Mounting hole for protective plate 31 Pin receiving hole for locking shaft
Claims (1)
起3を摺動筒4の外周面に前後方向に設けた規制溝5に
挿入して、摺動筒4を本体ケ−ス2内に前後方向に移動
可能であって回転不能に嵌め入れ、摺動筒4の外周に前
後方向に対して角度を持ったカム溝6を設け、前端部に
回転操作用工具7が挿入される工具受孔8を設け、中間
部に摺動筒4のカム溝6に通されるガイド突起9を突設
し、後端部に止め金板12を固着した施錠軸13を、摺
動筒4に嵌挿して本体ケ−ス2に回転可能であって軸方
向に移動不能に装着し、施錠軸13に連結用小球14が
収容される球受孔15を設け、連結用小球14の一部が
係合する周溝16を設けたストップピン17を、前記工
具受孔8の底部に連通したピン受孔31に収容し、スト
ップピン17をピン受孔31に収容したバネ18によっ
て前方に移動付勢し、摺動筒4に連結用小球14の一部
が係合する錠止孔19を設けた施錠装置。1. A sliding case 4 is inserted into a regulating groove 5 provided on the outer peripheral surface of a sliding cylinder 4 in the front-rear direction so that the sliding cylinder 4 can be fitted to the sliding case 4. -It is fitted in the sleeve 2 so as to be movable in the front-rear direction and non-rotatably, the cam groove 6 having an angle with respect to the front-rear direction is provided on the outer periphery of the sliding cylinder 4, and the rotary operation tool 7 is provided at the front end portion. A tool receiving hole 8 to be inserted is provided, a guide projection 9 is inserted in the middle portion so as to pass through the cam groove 6 of the sliding cylinder 4, and a locking shaft 13 having a stopper metal plate 12 fixed to the rear end portion is slid. It is fitted in the moving barrel 4 and is mounted on the main body case 2 so as to be rotatable but immovable in the axial direction, and the locking shaft 13 is provided with a ball receiving hole 15 for accommodating the connecting small balls 14, thereby providing a small connecting ball. A stop pin 17 provided with a circumferential groove 16 with which a part of the ball 14 is engaged is housed in a pin receiving hole 31 communicating with the bottom of the tool receiving hole 8, and the stop pin 17 is pinned. A locking device provided with a locking hole 19 which is biased forward by a spring 18 housed in a receiving hole 31 and in which a part of the connecting small ball 14 is engaged with the sliding cylinder 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8150070A JP3051338B2 (en) | 1996-05-21 | 1996-05-21 | Locking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8150070A JP3051338B2 (en) | 1996-05-21 | 1996-05-21 | Locking device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09310706A true JPH09310706A (en) | 1997-12-02 |
JP3051338B2 JP3051338B2 (en) | 2000-06-12 |
Family
ID=15488871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8150070A Expired - Fee Related JP3051338B2 (en) | 1996-05-21 | 1996-05-21 | Locking device |
Country Status (1)
Country | Link |
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JP (1) | JP3051338B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014505843A (en) * | 2011-01-19 | 2014-03-06 | ナイト・アイズ,インコーポレーテッド | Self-locking fastener system and method |
JP2014511458A (en) * | 2011-01-26 | 2014-05-15 | グリップル・リミテッド | Clamp assembly |
CN103821805A (en) * | 2014-02-28 | 2014-05-28 | 南车株洲电力机车有限公司 | Railway vehicle and press-in unlocking secondary protective device for equipment box cover |
CN105114406A (en) * | 2015-10-20 | 2015-12-02 | 南车株洲电力机车有限公司 | Auxiliary protection device for box cover |
-
1996
- 1996-05-21 JP JP8150070A patent/JP3051338B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014505843A (en) * | 2011-01-19 | 2014-03-06 | ナイト・アイズ,インコーポレーテッド | Self-locking fastener system and method |
JP2014511458A (en) * | 2011-01-26 | 2014-05-15 | グリップル・リミテッド | Clamp assembly |
CN103821805A (en) * | 2014-02-28 | 2014-05-28 | 南车株洲电力机车有限公司 | Railway vehicle and press-in unlocking secondary protective device for equipment box cover |
CN105114406A (en) * | 2015-10-20 | 2015-12-02 | 南车株洲电力机车有限公司 | Auxiliary protection device for box cover |
Also Published As
Publication number | Publication date |
---|---|
JP3051338B2 (en) | 2000-06-12 |
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