JPH0755246Y2 - Door open lock device - Google Patents
Door open lock deviceInfo
- Publication number
- JPH0755246Y2 JPH0755246Y2 JP6517090U JP6517090U JPH0755246Y2 JP H0755246 Y2 JPH0755246 Y2 JP H0755246Y2 JP 6517090 U JP6517090 U JP 6517090U JP 6517090 U JP6517090 U JP 6517090U JP H0755246 Y2 JPH0755246 Y2 JP H0755246Y2
- Authority
- JP
- Japan
- Prior art keywords
- lock
- cab
- door
- driver
- lock device
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/0486—Special type
- B60J5/0487—Special type simplified doors related to cabins of, e.g. golf carts, tractors, jeeps, cranes, forklifts, etc.
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/46—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means in which the wing or a member fixed thereon is engaged by a movable fastening member in a fixed position; in which a movable fastening member mounted on the wing engages a stationary member
- E05C17/50—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means in which the wing or a member fixed thereon is engaged by a movable fastening member in a fixed position; in which a movable fastening member mounted on the wing engages a stationary member comprising a single pivoted securing member
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C3/00—Fastening devices with bolts moving pivotally or rotatively
- E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
- E05C3/16—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
- E05C3/22—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled
- E05C3/24—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled in the form of a bifurcated member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は運転室のドア開放時のロック装置に係わり、特
にはブルドーザの運転室ドアの開放ロック装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a lock device for opening a driver's cab door, and more particularly to an open lock device for a driver's cab door of a bulldozer.
第６図は従来の開放ロック装置を装着した運転室の斜視
図、第７図は第６図のＹ部に示す開放ロック装置の斜視
図、第８図、第９図は開放ロック装置の正面図、平面図
である。FIG. 6 is a perspective view of a driver's cab equipped with a conventional open lock device, FIG. 7 is a perspective view of the open lock device shown in Y part of FIG. 6, and FIGS. 8 and 9 are front views of the open lock device. It is a figure and a top view.
運転室１の側面３にはヒンジ４によりドア２が開閉可能
に装着されている。ドア２の上方のヒンジ４付近にはロ
ック部41を有するロック金具40がボルト42により締着さ
れている。側面３の上部のロック金具40に対応する位置
にはブラケット45が固着され、ロック50がボルト55によ
り締着されている。ロック50はフック51と、ブラケット
52と、ピン53と、ねじりばね54とにより構成されてお
り、フック51はブラケット52にピン53により揺動可能に
軸着されており、ねじりばね54により矢印Ｐ方向に付勢
されている。ドアを開放ロックする場合は、ドア２をヒ
ンジ４を中心として回転させて開放すると、ロック部41
はフック51をねじりばね54の付勢力に抗して押上げ、第
８図、第９図の二点鎖線に示す位置でフック51と係合し
てドアは開放ロック状態となる。ドアロックを解除する
にはフック51を人力によって押上げ、ドア２を閉じる。A door 2 is attached to a side surface 3 of the operator's cab 1 by a hinge 4 so as to be openable and closable. A lock fitting 40 having a lock portion 41 is fastened by bolts 42 near the hinge 4 above the door 2. A bracket 45 is fixed to the upper portion of the side surface 3 at a position corresponding to the lock fitting 40, and a lock 50 is tightened with a bolt 55. Lock 50 is hook 51 and bracket
52, a pin 53, and a torsion spring 54. The hook 51 is pivotally attached to the bracket 52 by the pin 53 so as to be swingable, and is biased by the torsion spring 54 in the arrow P direction. When opening and locking the door, the door 2 is rotated around the hinge 4 and opened to open the lock portion 41.
Pushes up the hook 51 against the urging force of the torsion spring 54 and engages with the hook 51 at the position shown by the chain double-dashed line in FIGS. 8 and 9 to open the door. To unlock the door, the hook 51 is pushed up manually to close the door 2.
上記構成によれば、下記のごとき問題を生ずる。 According to the above configuration, the following problems occur.
（１）ドアのヒンジ付近にロック装置を装着したため、
ヒンジ中心からロック中心までの距離L2が小さく、ロッ
クに大きな負荷が加わる。従ってロック装置が大型とな
りコストが高い。(1) Since the lock device is installed near the hinge of the door,
The distance L 2 from the hinge center to the lock center is small, and a large load is applied to the lock. Therefore, the lock device becomes large and the cost is high.
（２）運転室の上部にロック装置が大きく飛び出してい
るため、障害物による破損の恐れがあり、また外観的に
も不体裁である。(2) Since the locking device largely protrudes above the driver's cab, there is a risk of damage due to obstacles, and the appearance is unsightly.
（３）ドアロックを解除するには人間が室外に出て、人
力でロックを解除する必要があり操作上不便である。(3) In order to unlock the door, it is inconvenient to operate because a person has to go out of the room to unlock the door manually.
本考案は上記の問題点に着目してなされたもので、小形
で、外観上も体裁よく、ロック解除操作のしやすいドア
の開放ロック装置を経済的に提供することを目的として
いる。The present invention has been made in view of the above problems, and an object thereof is to economically provide a door open lock device that is compact, has a good appearance, and is easy to unlock.
上記の目的達成のため、本考案に係るドアの開放ロック
装置においては、運転室ドアの高さの中央付近に装着さ
れた支持プレートと、前記支持プレートを拘持する前記
運転室外面の把手としての機能を有するとともに運転者
の視界を妨げない形状に成型されたサポートパイプと、
前記支持プレートに固着されたストライカと、前記運転
室側面の前記ストライカに対応する部分に装着されたロ
ックと、前記運転室内に貫通せる前記ロックの解除レバ
ーとを具備せることを特徴としている。In order to achieve the above object, in the door open lock device according to the present invention, a support plate mounted near the center of the height of the driver's cab door and a handle of the outer surface of the driver's cab for holding the support plate are used. With a function of, and a support pipe molded into a shape that does not obstruct the driver's view,
A striker fixed to the support plate, a lock attached to a portion of the side face of the driver's cab corresponding to the striker, and a lock release lever that penetrates into the driver's cab are provided.
上記構成によれば、ドアにストライカを固着し、運転室
側面のストライカに対応する位置にロックを装着し、ロ
ックの解除レバーを運転室内に貫通させたため、ドアを
開放するとロックはストライカを把持してドアを開放状
態にロックする。ロックを解除する場合は運転室内の解
除レバーを操作してロックを解除することができる。According to the above configuration, the striker is fixed to the door, the lock is installed at the position corresponding to the striker on the side of the driver's cab, and the lock release lever is penetrated into the driver's cab.When the door is opened, the lock grips the striker. Lock the door open. To release the lock, the lock can be released by operating the release lever in the cab.
以下に本考案に係るドアの開放ロック装置の実施例につ
いて図面を参照して詳述する。Hereinafter, an embodiment of a door opening lock device according to the present invention will be described in detail with reference to the drawings.
第１図は運転室の外観斜視図、第２図は第１図のＹ部に
示すロック装置部分の斜視図である。FIG. 1 is an external perspective view of a driver's cab, and FIG. 2 is a perspective view of a lock device portion shown in a Y portion of FIG.
運転室１の側面３にはドア２がヒンジ４によって開閉可
能に装着されている。支持プレート５とサポートパイプ
６とは固着されており、それぞれボルト7,8によりドア
２に締着されている。サポートパイプ６は矢印Ｓに示す
運転者の視界を妨げない形状に成型されている。支持プ
レート５には第３図に示すようなＵ形状のストライカ10
がナット11により締着されている。運転室１の側面３の
ストライカ10に対応する位置にはロック20がボルト26に
より締着されている。ロックの解除レバー32は運転室１
内に貫通している。A door 2 is mounted on a side surface 3 of the operator's cab 1 so as to be opened and closed by a hinge 4. The support plate 5 and the support pipe 6 are fixed to each other and fastened to the door 2 by bolts 7 and 8, respectively. The support pipe 6 is formed into a shape that does not hinder the driver's view as shown by the arrow S. The support plate 5 has a U-shaped striker 10 as shown in FIG.
Are fastened with nuts 11. A lock 20 is tightened by a bolt 26 at a position corresponding to the striker 10 on the side surface 3 of the cab 1. Lock release lever 32 is in cab 1
It penetrates inside.
第４図はロック20の平面断面図で、ドア２にボルト26に
より締着されたブラケット21には係合面25を有するフッ
ク22がピン23により揺動可能に軸着されており、フック
22はねじりばね24により矢印Ａのごとく反時計回り方向
に付勢されている。解除レバー32および係合面33を有す
るストッパ31はピン34によりブラケット21に軸着されて
おり、ねじりばね35により矢印Ｂのごとく時計回り方向
に付勢されている。解除レバー32は運転室内に貫通、突
出している。FIG. 4 is a plan cross-sectional view of the lock 20. A hook 22 having an engaging surface 25 is pivotally attached by a pin 23 to a bracket 21 that is fastened to the door 2 by a bolt 26 so that the hook 22 can swing.
22 is biased in the counterclockwise direction by a torsion spring 24 as shown by arrow A. A stopper 31 having a release lever 32 and an engaging surface 33 is pivotally attached to the bracket 21 by a pin 34, and is biased clockwise by a torsion spring 35 as indicated by an arrow B. The release lever 32 penetrates and projects into the cab.
次に差動について説明する。第４図はドア２を閉めてあ
る状態であり、ヒンジ４を中心としてドア２を回転、開
放すると、ストライカ10はフック22を押し、ねじりばね
24の力に抗してフック22を時計回り方向に回転させ、第
５図に示すごとくフック22の係合面25と、ストッパ31の
係合面33とが係合してフツク22はストライカ10を把持し
た状態となり、ドア２を開放ロック状態にする。ロック
を解除する場合は解除レバー32を矢印Ｃのごとく反時計
方向に回転させれば係合がはずれてフック22はねじりば
ね24の力により反時計方向に回り第４図のような状態と
なり、ロックは解除される。Next, the differential will be described. FIG. 4 shows a state in which the door 2 is closed. When the door 2 is rotated and opened around the hinge 4, the striker 10 pushes the hook 22 and the torsion spring.
The hook 22 is rotated in the clockwise direction against the force of 24, and the engaging surface 25 of the hook 22 and the engaging surface 33 of the stopper 31 engage with each other as shown in FIG. Is held and the door 2 is placed in the open lock state. To release the lock, rotating the release lever 32 in the counterclockwise direction as shown by arrow C disengages the hook 22, and the hook 22 is rotated counterclockwise by the force of the torsion spring 24, as shown in FIG. The lock is released.
以上詳述したごとく本考案は運転室ドアの高さの中央付
近に、把手機能を有するサポートパイプにサポートされ
た支持プレートにストライカを固着し、ストライカと係
合するロックを運転室側面に装着してロックの解除レバ
ーを運転室内に貫通させたため以下のような効果を奏す
る。As described in detail above, according to the present invention, a striker is fixed to a support plate supported by a support pipe having a grip function near the center of the height of the operator's door, and a lock for engaging the striker is attached to the side of the operator's cab. Since the lock release lever is penetrated into the driver's cab, the following effects are achieved.
（１）ヒンジ中心からロック中心までの距離L1が大きく
なる。従ってロックに加わる負荷が小さくなりロックは
小型のものでよく、コストも安い。(1) The distance L 1 from the hinge center to the lock center becomes large. Therefore, the load applied to the lock is small, the lock may be small, and the cost is low.
（２）運転室上部の突起物がなくなり、障害物による破
損の恐れがない。またサポートパイプが運転室外面の把
手となっており外観上も体裁がよい。(2) There is no protrusion on the upper part of the operator's cab, and there is no risk of damage due to obstacles. In addition, the support pipe serves as a handle on the outside of the cab, giving it a good appearance.
（３）ドアロックの解除が運転室内から出来るので操作
上便利である。(3) The door lock can be released from the driver's cab, which is convenient for operation.
第１図は本考案のロック装置を装着した運転室の全体斜
視図。 第２図は本考案のロック装置部分の斜視図。 第３図はストライカの斜視図。 第４図はドアを閉じているときの本考案のロック装置の
平面断面図。 第５図はドアを開放しロックしているときの本考案のロ
ック装置の平面断面図。 第６図は従来のロック装置を装着した運転室の全体斜視
図。 第７図は従来のロック装置部分の斜視図。 第８図は従来のロック装置部分の正面図。 第９図は従来のロック装置部分の平面図である。 １……運転室 ２……ドア ３……側面 ４……ヒンジ ５……支持プレート ６……サポートパイプ 10……ストライカ 20……ロック 32……解除レバーFIG. 1 is an overall perspective view of a driver's cab equipped with the lock device of the present invention. FIG. 2 is a perspective view of the lock device portion of the present invention. FIG. 3 is a perspective view of the striker. FIG. 4 is a plan sectional view of the locking device of the present invention when the door is closed. FIG. 5 is a plan sectional view of the locking device of the present invention when the door is opened and locked. FIG. 6 is an overall perspective view of a driver's cab equipped with a conventional lock device. FIG. 7 is a perspective view of a conventional lock device portion. FIG. 8 is a front view of a conventional lock device portion. FIG. 9 is a plan view of a conventional lock device portion. 1 …… Operating room 2 …… Door 3 …… Side surface 4 …… Hinge 5 …… Support plate 6 …… Support pipe 10 …… Strike 20 …… Lock 32 …… Release lever
Claims (1)
て、運転室ドアの外面に、前記ドアの高さの中央付近に
装着された支持プレートと、前記支持プレートを拘持す
る前記運転室外面の把手としての機能を有するとともに
運転者の視界を妨げない形状に成型されたサポートパイ
プと、前記支持プレートに固着されたストライカと、前
記運転室側面の前記ストライカに対応する部分に装着さ
れたロックと、前記運転室内に貫通せる前記ロックの解
除レバーとを具備せることを特徴とするドアの開放ロッ
ク装置。1. A lock device for opening a door of a driver's cab, wherein a support plate mounted on the outer surface of the driver's cab door near the center of the height of the door, and an outer surface of the driver's cab holding the support plate. A support pipe molded into a shape that does not hinder the driver's view while having a function as a handle, a striker fixed to the support plate, and a lock attached to a portion of the side face of the cab corresponding to the striker. And a lock release lever that penetrates into the driver's cab.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6517090U JPH0755246Y2 (en) | 1990-06-20 | 1990-06-20 | Door open lock device |
| PCT/JP1991/000737 WO1991019875A1 (en) | 1990-06-20 | 1991-05-31 | Device for locking opened door |
| US07/956,755 US5286073A (en) | 1990-06-20 | 1991-05-31 | Device for fastening ajar door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6517090U JPH0755246Y2 (en) | 1990-06-20 | 1990-06-20 | Door open lock device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0423783U JPH0423783U (en) | 1992-02-26 |
| JPH0755246Y2 true JPH0755246Y2 (en) | 1995-12-20 |
Family
ID=13279151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6517090U Expired - Lifetime JPH0755246Y2 (en) | 1990-06-20 | 1990-06-20 | Door open lock device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0755246Y2 (en) |
| WO (1) | WO1991019875A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008285910A (en) * | 2007-05-18 | 2008-11-27 | Komatsu Ltd | Door of cab |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8091933B1 (en) * | 2007-09-21 | 2012-01-10 | Trimark Corporation | Heavy duty door latch and release modules |
| FR2924736B1 (en) * | 2007-12-11 | 2013-05-31 | Valeo Securite Habitacle | METHOD FOR MANUFACTURING A DOOR LOCK IN A MOTOR VEHICLE. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50128181U (en) * | 1974-04-05 | 1975-10-21 | ||
| JPS5221623U (en) * | 1975-06-25 | 1977-02-16 | ||
| JPS52149897U (en) * | 1976-05-10 | 1977-11-14 | ||
| JPS5922864Y2 (en) * | 1980-08-22 | 1984-07-07 | 日立建機株式会社 | Driver cab door locking device |
-
1990
- 1990-06-20 JP JP6517090U patent/JPH0755246Y2/en not_active Expired - Lifetime
-
1991
- 1991-05-31 WO PCT/JP1991/000737 patent/WO1991019875A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008285910A (en) * | 2007-05-18 | 2008-11-27 | Komatsu Ltd | Door of cab |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1991019875A1 (en) | 1991-12-26 |
| JPH0423783U (en) | 1992-02-26 |
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