JPH066657U - Door latch device - Google Patents
Door latch deviceInfo
- Publication number
- JPH066657U JPH066657U JP4956392U JP4956392U JPH066657U JP H066657 U JPH066657 U JP H066657U JP 4956392 U JP4956392 U JP 4956392U JP 4956392 U JP4956392 U JP 4956392U JP H066657 U JPH066657 U JP H066657U
- Authority
- JP
- Japan
- Prior art keywords
- latch
- door
- fixed
- handle
- drive lever
- 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
- Electric Ovens (AREA)
Abstract
(57)【要約】
【目的】 操作ハンドルの無理な超過回転が回避され、
操作ハンドルや関連部品に歪曲変形の危険性がなく、扉
の解錠と開放操作が連続した単一動作で行える扉用ラッ
チ装置を提供する。
【構成】 ラッチ６を引き込み駆動する駆動レバー１３
の基端部１８に作動バーを横断枢軸１９によって枢着
し、扉１の前面板２１の透孔２２に嵌挿した作動バー１
０の先端部に操作ハンドル２３を固着し、操作ハンドル
２３の前面側を覆う固定ハンドル２４を扉１の前面板２
１に固着し、操作ハンドル２３と固定ハンドル２４の間
には作動用間隔２５のみを設定する。
(57) [Summary] [Purpose] Unnecessary excessive rotation of the operating handle is avoided,
(EN) Provided is a door latch device which can perform unlocking and opening operations of a door in a single continuous operation without the risk of the operation handle and related parts being distorted and deformed. [Structure] A drive lever 13 for pulling and driving the latch 6
The operating bar 1 has the operating bar pivotally attached to the base end portion 18 of the door by the transverse pivot shaft 19 and fitted into the through hole 22 of the front plate 21 of the door 1.
The operation handle 23 is fixed to the front end of the door 0, and the fixed handle 24 that covers the front side of the operation handle 23 is attached to the front plate 2 of the door 1.
It is fixed to No. 1 and only the operation interval 25 is set between the operation handle 23 and the fixed handle 24.
Description
【０００１】[0001]
本考案は、電子レンジの扉等に使用されるラッチ装置に関するものである。 The present invention relates to a latch device used for a microwave oven door or the like.
【０００２】[0002]
実開昭６３−４６５６８号公報に開示されたラッチ装置では、扉に埋め込み固 着したハンドルケースの上下側壁に操作ハンドルの中間部を横断枢軸で枢着し、 ハンドルケースの裏側に設けたラッチケースに先端部開口から出没するラッチを 収容し、ラッチをバネによって突出方向に摺動付勢し、操作ハンドルの先端部側 に駆動突起を屈曲形成し、該駆動突起をラッチケースの案内スロットを通してラ ッチの受動面に当接させ、操作ハンドルの基端部側の手掛け部をハンドルケース の前面開口部に配置している。 In the latch device disclosed in Japanese Utility Model Laid-Open No. 63-46568, the middle part of the operating handle is pivotally attached to the upper and lower side walls of the handle case embedded and fixed in the door by a transverse pivot shaft, and the latch case is provided on the back side of the handle case. Housing the latch protruding and retracting from the tip opening, slidingly biasing the latch in the protruding direction by the spring, bending the drive protrusion on the tip side of the operating handle, and passing the drive protrusion through the guide slot of the latch case. The handle on the base end side of the operating handle is placed in the front opening of the handle case, making contact with the passive surface of the switch.
【０００３】 この従来装置では、操作ハンドルの手掛け部をハンドルケースから引き出すと 、操作ハンドルの駆動突起がラッチの受動面を押して、ラッチをラッチケースに 引き込み、固定枠体側の受金とラッチ先端部との係合が解除される。In this conventional device, when the handle portion of the operation handle is pulled out from the handle case, the drive protrusion of the operation handle pushes the passive surface of the latch and pulls the latch into the latch case. Is disengaged.
【０００４】 しかしながら、ラッチが解錠位置に到達した段階で操作ハンドルの手掛け部が 当接するストッパー手段を設けていないため、操作ハンドルを無理に超過回転さ せて操作ハンドルや関連部品の歪曲変形を招く恐れがある。However, since the stopper means for contacting the handle of the operating handle when the latch reaches the unlocked position is not provided, the operating handle is forcibly over-rotated and the operating handle and related parts are distorted and deformed. May invite you.
【０００５】[0005]
したがって、本考案の目的は、操作ハンドルの無理な超過回転が回避され、操 作ハンドルや関連部品に歪曲変形の危険性がなく、扉の解錠と開放操作が連続し た単一動作で行える扉用ラッチ装置を提供することである。 Therefore, the object of the present invention is to avoid excessive rotation of the operating handle, to avoid the risk of distortion of the operating handle and related parts, and to unlock and open the door in a single continuous operation. A latch device for a door is provided.
【０００６】[0006]
以下、添付図面中の参照符号を用いて説明すると、本考案の、扉用ラッチ装置 では、扉１の裏面板２に固着されるベース板３にラッチケース４を固設し、先端 部開口５から出没するラッチ６をラッチケース４に収容し、ラッチ６をバネ７に よって突出方向に摺動付勢し、ベース板３に一対の軸受板部８，８をラッチケー ス４の基端部側に突設し、ラッチ６の摺動方向と交差する方向の誘導スロット９ を各軸受板部８に設ける。 Referring to the reference numerals in the accompanying drawings, the door latch device of the present invention has a latch case 4 fixed to a base plate 3 fixed to a back plate 2 of a door 1, and a tip opening 5 The latch 6 protruding and retracted from the latch case 4 is accommodated in the latch case 4, and the latch 6 is slidably biased by the spring 7 in the projecting direction, and the base plate 3 is provided with a pair of bearing plate portions 8 and 8 on the base end side of the latch case 4. Each bearing plate 8 is provided with a guiding slot 9 extending in a direction intersecting the sliding direction of the latch 6.
【０００７】 軸受板部８，８間に収容した作動バー１０の中間部に溝孔１１を設け、軸受板 部８，８の先端張り出し部１２，１２に駆動レバー１３の中間部を横断枢軸１４ によって枢着し、駆動レバー１３の先端部側の駆動突起１５をラッチケース４の 案内スロット１６を通してラッチ６の受動面１７に当接させ、作動バー１０の溝 孔１１に挿入した駆動レバー１３の基端部１８に長孔２６を設ける。A groove hole 11 is provided in an intermediate portion of the operating bar 10 housed between the bearing plate portions 8 and 8, and an intermediate portion of the drive lever 13 is crossed to the pivotal shaft 14 at the tip protruding portions 12 and 12 of the bearing plate portions 8 and 8. The drive projection 15 on the tip end side of the drive lever 13 is brought into contact with the passive surface 17 of the latch 6 through the guide slot 16 of the latch case 4, and the drive lever 13 of the drive lever 13 inserted into the groove 11 of the operation bar 10 An elongated hole 26 is provided in the base end portion 18.
【０００８】 長孔２６に通した横断枢軸１９で駆動レバー１３を作動バー１０に枢着し、作 動バー１０の基端部２９の横断ピン２０と前記横断枢軸１９を各軸受板部８の前 記誘導スロット９に挿入し、扉１の前面板２１の透孔２２に嵌挿した作動バー１ ０の先端部に操作ハンドル２３を固着し、操作ハンドル２３の前面側を覆う固定 ハンドル２４を扉１の前面板２１に固着し、操作ハンドル２３と固定ハンドル２ ４の間に作動用間隔２５のみを設定し、ラッチ６の先端部が固定枠体２７側の受 金２８に係合する突出位置にあるとき、作動バー１０の基端部２９をベース板３ に当接させる。The drive lever 13 is pivotally attached to the actuating bar 10 by a transverse pivot 19 passing through the long hole 26, and the transverse pin 20 of the proximal end 29 of the actuating bar 10 and the transverse pivot 19 are connected to the bearing plate portions 8. The operation handle 23 is inserted into the guide slot 9 and is inserted into the through hole 22 of the front plate 21 of the door 1, and the operation handle 23 is fixed to the distal end portion of the operation bar 10 to cover the front side of the operation handle 23. A protrusion that is fixed to the front plate 21 of the door 1, sets only the operating gap 25 between the operation handle 23 and the fixed handle 24, and the tip end of the latch 6 engages with the receiving 28 on the fixed frame 27 side. When in the position, the proximal end 29 of the actuation bar 10 abuts the base plate 3.
【０００９】[0009]
操作ハンドル２３に指先を掛けて固定ハンドル２４を握ると、誘導スロット９ と横断枢軸１９および横断ピン２０に案内されて、作動バー１０が軸受板部８， ８に沿って前進摺動するため、図３において駆動レバー１３が横断枢軸１４を中 心に反時計回り方向に回転し、駆動レバー１３の駆動突起１５がラッチ６の受動 面１７を押す。そのため、ラッチ６はバネ７の摺動付勢に抗して右方向に引き込 まれ、ラッチ６の先端部が固定枠体２７側の受金２８から離脱する。 When the fixed handle 24 is gripped by putting a fingertip on the operation handle 23, the operating bar 10 is guided and guided by the guide slot 9, the transverse pivot shaft 19, and the transverse pin 20 to slide forward along the bearing plate portions 8 and 8. In FIG. 3, the drive lever 13 rotates counterclockwise around the transverse pivot 14, and the drive projection 15 of the drive lever 13 pushes the passive surface 17 of the latch 6. Therefore, the latch 6 is pulled rightward against the sliding force of the spring 7, and the tip end of the latch 6 is disengaged from the receiving money 28 on the fixed frame 27 side.
【００１０】 これによって、固定枠体２７に対する扉１の係止施錠が解除され、扉１はその まま固定ハンドル２４を手前に引くことによって、図示していない蝶番軸を中心 として直ちに開放される。開放後、操作ハンドル２３と固定ハンドル２４から手 を離すと、バネ７の摺動付勢によってラッチ６が即座にラッチケース４の先端部 開口５から突出動作し、駆動レバー１３が駆動突起１５がラッチ１３の受動面１ ７によって押されるため、横断枢軸１４を中心に時計回り方向に回転する。As a result, the locking and locking of the door 1 with respect to the fixed frame 27 is released, and the door 1 is immediately opened around the hinge shaft (not shown) by pulling the fixed handle 24 toward this side. When the operating handle 23 and the fixed handle 24 are released after opening, the latch 6 immediately projects from the tip end opening 5 of the latch case 4 due to the sliding bias of the spring 7, and the drive lever 13 causes the drive protrusion 15 to move. Since it is pushed by the passive surface 17 of the latch 13, it rotates clockwise about the transverse pivot 14.
【００１１】 駆動レバー１３の当該回転によって作動バー１０が横断枢軸１９を介して後退 方向に牽引され、操作ハンドル２３が固定ハンドル２４の裏面から所定間隔まで 離れることになる。扉１を閉鎖した時、ラッチ６の先端部裏面側の傾斜カム面３ １が固定枠体２７の縁部３０に当接することによって、ラッチ６が一旦、没入動 作する。扉１が全閉された時、ラッチ６はバネ７の摺動付勢によって直ちに突出 動作し、受金２８と係合する。この段階では、作動バー１０の基端部は２９はベ ース板３に当接することによって、ラッチ６の突出量を制限している。The rotation of the drive lever 13 pulls the actuation bar 10 in the backward direction via the transverse pivot shaft 19, and the operation handle 23 is separated from the back surface of the fixed handle 24 by a predetermined distance. When the door 1 is closed, the inclined cam surface 31 on the rear surface of the front end of the latch 6 contacts the edge 30 of the fixed frame 27, so that the latch 6 once retracts. When the door 1 is fully closed, the latch 6 immediately projects due to the sliding bias of the spring 7, and engages with the receiving bar 28. At this stage, the base end portion 29 of the operating bar 10 contacts the base plate 3 to limit the protrusion amount of the latch 6.
【００１２】[0012]
図示の実施例では、ラッチケース４はビス３２によってベース板３に固着され 、ベース板３はビス３３によって取付補助板３４に固着されている。この取付補 助板３４はビス３５によって扉１の裏面板２に固着されている。ラッチ装置の本 体部分は扉１の内部に収容されている。固定ハンドル２４はビス３６によって扉 の前面板２１に固着されている。 In the illustrated embodiment, the latch case 4 is fixed to the base plate 3 by the screw 32, and the base plate 3 is fixed to the mounting auxiliary plate 34 by the screw 33. The attachment support plate 34 is fixed to the back plate 2 of the door 1 with screws 35. The main part of the latch device is housed inside the door 1. The fixed handle 24 is fixed to the front plate 21 of the door with screws 36.
【００１３】 ラッチ６の受動面１７はラッチ４の正面板部の中央部を裏側に切り曲げること によって形成され、この切り曲げ跡の開口部３７に駆動レバー１３の駆動突起１ ５が挿入されている。圧縮コイルバネで構成したラッチ付勢用バネ７の一端は、 前記切り曲げ板部に当接し、バネ７の他端はラッチケース４の正面板部の基端部 の折曲げ板部３８に当接している。The passive surface 17 of the latch 6 is formed by cutting and bending the central portion of the front plate portion of the latch 4 to the back side, and the drive projection 15 of the drive lever 13 is inserted into the opening 37 of the cut and bent mark. There is. One end of the latch biasing spring 7 formed of a compression coil spring abuts on the cutting and bending plate portion, and the other end of the spring 7 abuts on the bending plate portion 38 at the base end portion of the front plate portion of the latch case 4. ing.
【００１４】 駆動レバー１３の駆動突起１５はレバー主体部分に対してほぼ直角に屈曲形成 され、駆動レバー１３の基端部１８はレバー主体部分に対して斜め後方に屈曲形 成され、これによって操作ハンドル２３の作動ストロークすなわち前記作動用間 隔２５は比較的小さいものとなっている。操作ハンドル２３は断面コ字形に構成 され、ビス３９によって作動バー１０の先端部に固着されている。受金２８はビ ス４０によって電子レンジ本体等の固定枠体２７の内側面に固着されている。The drive protrusion 15 of the drive lever 13 is bent substantially at right angles to the lever main body portion, and the base end portion 18 of the drive lever 13 is bent obliquely rearward with respect to the lever main body portion. The operating stroke of the handle 23, that is, the operating gap 25 is relatively small. The operation handle 23 has a U-shaped cross section and is fixed to the tip of the operation bar 10 by a screw 39. The money receiver 28 is fixed to the inner surface of a fixed frame 27 such as a microwave oven main body by a screw 40.
【００１５】[0015]
以上のように構成された本考案の扉用ラッチ装置では、ラッチ６を引き込み駆 動する駆動レバー１３の基端部１８を横断枢軸１９によって作動バー１０に枢着 し、扉１の前面板２１の透孔２２に嵌挿した作動バー１０の先端部に操作ハンド ル２３を固着し、操作ハンドル２３の前面側を覆う固定ハンドル２４を扉１の前 面板２１に固着し、操作ハンドル２３と固定ハンドル２４の間には作動用間隔２ ５を設定しているだけであり、固定ハンドル２４が操作ハンドル２３の超過回転 を阻止するストッパー手段として働くため、操作ハンドル２３や関連部品に歪曲 変形の危険性がなく、扉１の解錠と開放操作が連続した単一動作で行える。 In the door latch device of the present invention constructed as described above, the base end portion 18 of the drive lever 13 that pulls in and drives the latch 6 is pivotally attached to the actuation bar 10 by the transverse pivot shaft 19, and the front plate 21 of the door 1. The operation handle 23 is fixed to the distal end of the operation bar 10 inserted into the through hole 22 of the operation bar 23, and the fixed handle 24 covering the front side of the operation handle 23 is fixed to the front plate 21 of the door 1 and fixed to the operation handle 23. Since the operating interval 25 is only set between the handles 24, and the fixed handle 24 acts as a stopper means for preventing excessive rotation of the operating handle 23, the operating handle 23 and related parts may be distorted or deformed. The door 1 can be unlocked and opened in a single continuous operation.
【図１】本考案の一実施例に係る扉用ラッチ装置の施錠
状態における正面図である。FIG. 1 is a front view of a door latch device according to an embodiment of the present invention in a locked state.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.
【図３】図１のＢ−Ｂ線断面図である。FIG. 3 is a sectional view taken along line BB of FIG.
１ 扉 ２ 扉の裏面板 ３ ベース板 ４ ラッチケース ５ ラッチケースの先端部開口 ６ ラッチ ７ ラッチ付勢用バネ ８ 軸受板部 ９ 軸受板部の誘導スロット １０ 作動バー １１ 作動バーの溝孔 １２ 軸受板部の先端張出し部 １３ 駆動レバー １４ 横断枢軸 １５ 駆動レバーの駆動突起 １６ ラッチケースの案内スロット １７ ラッチの受動面 １８ 駆動レバーの基端部 １９ 横断枢軸 ２０ 横断ピン ２１ 扉の前面板 ２２ 前面板の透孔 ２３ 操作ハンドル ２４ 固定ハンドル ２５ 作動用間隔 ２６ 駆動レバーの基端部の長孔 ２７ 固定枠体 ２８ 受金 ２９ 作動バーの基端部 ３０ 固定枠体の縁部 ３１ ラッチの傾斜カム面 ３２ ラッチケース固着用ビス ３３ ベース板固着用ビス ３４ 取付補助板 ３５ 取付補助板固着用ビス ３６ 固定ハンドル固着用ビス ３７ ラッチの駆動突起用開口部 ３８ ラッチケースの折曲げ板部 ３９ 操作ハンドル固着用ビス ４０ 受金固着用ビス 1 Door 2 Back Plate of Door 3 Base Plate 4 Latch Case 5 Latch Case Tip Opening 6 Latch 7 Latch Energizing Spring 8 Bearing Plate 9 Bearing Plate Induction Slot 10 Working Bar 11 Working Bar Groove 12 Bearing Leading edge of plate 13 Drive lever 14 Transverse pivot 15 Drive lever drive protrusion 16 Latch case guide slot 17 Latch passive surface 18 Drive lever base end 19 Cross pivot 20 Cross pin 21 Door front plate 22 Front plate Through hole 23 Operation handle 24 Fixed handle 25 Operation interval 26 Long hole at the base end of the drive lever 27 Fixed frame 28 Receiving 29 Base end of the operating bar 30 Edge of the fixed frame 31 Sloping cam surface of the latch 32 Latch case fixing screw 33 Base plate fixing screw 34 Mounting auxiliary plate 35 Mounting auxiliary plate fixing screw 36 Fixed handle fixing Scan 37 fold latch driving projection opening 38 latch case bent plate portion 39 operating handle anchoring screw 40 receiving metal anchoring bis
Claims (1)
にラッチケース４を固設し、先端部開口５から出没する
ラッチ６をラッチケース４に収容し、ラッチ６をバネ７
によって突出方向に摺動付勢し、ベース板３に一対の軸
受板部８，８をラッチケース４の基端部側に突設し、ラ
ッチ６の摺動方向と交差する方向の誘導スロット９を各
軸受板部８に設け、軸受板部８，８間に収容した作動バ
ー１０の中間部に溝孔１１を設け、軸受板部８，８の先
端張り出し部１２，１２に駆動レバー１３の中間部を横
断枢軸１４によって枢着し、駆動レバー１３の先端部側
の駆動突起１５をラッチケース４の案内スロット１６を
通してラッチ６の受動面１７に当接させ、前記溝孔１１
に挿入した駆動レバー１３の基端部１８に長孔２６を設
け、長孔２６に通した横断枢軸１９で駆動レバー１３を
作動バー１０に枢着し、作動バー１０の基端部２９の横
断ピン２０と前記横断枢軸１９を各軸受板部８の前記誘
導スロット９に挿入し、扉１の前面板２１の透孔２２に
嵌挿した作動バー１０の先端部に操作ハンドル２３を固
着し、操作ハンドル２３の前面側を覆う固定ハンドル２
４を扉１の前面板２１に固着し、操作ハンドル２３と固
定ハンドル２４の間に作動用間隔２５のみを設定し、ラ
ッチ６の先端部が固定枠体２７側の受金２８に係合する
突出位置にあるとき、作動バー１０の基端部２９がベー
ス板３に当接する扉用ラッチ装置。1. A base plate 3 fixed to a back plate 2 of a door 1.
The latch case 4 is fixedly installed in the latch case 4, the latch 6 protruding and retracting from the tip end opening 5 is accommodated in the latch case 4, and the latch 6 is attached to the spring 7.
The base plate 3 is urged to slide in a protruding direction by a pair of bearing plate parts 8, 8 protruding toward the base end side of the latch case 4, and the guide slot 9 is formed in a direction intersecting the sliding direction of the latch 6. Is provided in each bearing plate portion 8, a groove hole 11 is provided in an intermediate portion of the operating bar 10 housed between the bearing plate portions 8 and 8, and the drive lever 13 of the drive lever 13 is provided in the tip protruding portions 12 and 12 of the bearing plate portions 8 and 8. The intermediate portion is pivotally attached by the transverse pivot shaft 14, and the drive projection 15 on the tip end side of the drive lever 13 is brought into contact with the passive surface 17 of the latch 6 through the guide slot 16 of the latch case 4, and the slot 11
The drive lever 13 inserted into the base end 18 is provided with an elongated hole 26, and the drive lever 13 is pivotally attached to the operating bar 10 by a transverse pivot 19 passing through the elongated hole 26, and the base end 29 of the operating bar 10 is traversed. The pin 20 and the transverse pivot shaft 19 are inserted into the guide slots 9 of the bearing plate portions 8, and the operation handle 23 is fixed to the distal end portion of the operating bar 10 inserted into the through hole 22 of the front plate 21 of the door 1, Fixed handle 2 covering the front side of the operation handle 23
4 is fixed to the front plate 21 of the door 1, only the operation gap 25 is set between the operation handle 23 and the fixed handle 24, and the tip end of the latch 6 engages with the receiving money 28 on the fixed frame 27 side. A door latch device in which the base end 29 of the operating bar 10 abuts the base plate 3 when in the protruding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4956392U JPH08452Y2 (en) | 1992-06-22 | 1992-06-22 | Door latch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4956392U JPH08452Y2 (en) | 1992-06-22 | 1992-06-22 | Door latch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH066657U true JPH066657U (en) | 1994-01-28 |
| JPH08452Y2 JPH08452Y2 (en) | 1996-01-10 |
Family
ID=12834677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4956392U Expired - Lifetime JPH08452Y2 (en) | 1992-06-22 | 1992-06-22 | Door latch device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08452Y2 (en) |
-
1992
- 1992-06-22 JP JP4956392U patent/JPH08452Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08452Y2 (en) | 1996-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |