CN102363491B - Elevator cage door lock device - Google Patents
Elevator cage door lock device Download PDFInfo
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- CN102363491B CN102363491B CN 201110310314 CN201110310314A CN102363491B CN 102363491 B CN102363491 B CN 102363491B CN 201110310314 CN201110310314 CN 201110310314 CN 201110310314 A CN201110310314 A CN 201110310314A CN 102363491 B CN102363491 B CN 102363491B
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- roller
- fork
- elevator
- slide block
- car door
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Abstract
The invention discloses an elevator cage door lock device, which comprises a final limit cam (13), a mounting plate (2), a movable lock hook (9), a fixed lock hook (10) and a swinging rod (8), wherein the swinging rod (8) is rotationally and glidingly connected to the mounting plate (2), the swinging rod (8) consists of two rod arms which form an included angle, and the ends of the two rod arms are respectively connected with a first roller (1) in contact connection with the movable lock hook (9) and a second roller (7) separated or contacted with the final limit cam (13). After the structure is adopted, the two rod arms have great length difference, and the action stroke of the second roller is small under the condition of ensuring the action stroke of the first roller of the door lock, so that the distance between the second roller and the final limit cam can be increased, the clearance adjusting allowance of the door lock is higher, the installing and debugging efficiency is higher and the fault rate of the elevator is reduced.
Description
Technical field
The present invention relates to the elevator technology field, specifically is a kind of elevator car door locking device.
Background technology
Be to guarantee the safe operation of elevator, the safety device that control turnover elevator cab door is set is necessary, particularly seems particularly important during greater than 150mm when the distance between elevator hoistways inside face and the car sill.GB7588-2003 national standard 11.2.1 has regulation: the distance between elevator hoistways inside face and the car sill should be greater than 150mm, if car is equipped with the door of mechanical interlocking and can only opens in the district of unblanking, above-mentioned spacing is unrestricted.This is because elevator when not out of service unblanking to distinguish et out of order or power failure, and the passenger in the lift car can open car door by force and escape, but therefore passenger's this moment and do not know where car is in can damage the passenger; More dangerous is, when elevator faults recovers or incoming call again, and the malfunctioning switch of car door door-closing in-place, at this moment elevator can restart operation, causes bigger personal injury even brings life danger to the passenger.Disclosing grant number in the Chinese patent website is two patents of CN2763234Y and CN101081677B, first patent is to adopt hitting to bend and contact on the bumping wheel and being fixed on layer door gear in the hanging hook assembly be fixed on the door opener cross girder, the rotation of triggering latch hook, and the car door lock is opened; Second patent is to adopt the roller that is fixed on the layer door hanging plate to enter in the middle of two door cutter blades, utilize the relative position of asynchronous door cutter door machine and layer door that layer door roller is contacted with blade, thereby drive the latch hook rotation, trigger the electric switch action, the gate lock is opened.
But, more than the elevator car door locking device structure of these structures following shortcoming is arranged: in the present existing elevator car door locking device, the action of door lock generally will rely on the underaction of a cutter to finish, some is to rely on the movement of door cutter blade to drive the car door lock, hit bow after the translation on the contact layer door, trigger again and unblank; Some is the independent car door lock of installing, but the unlatching of door lock all will cooperate with the unlatching of layer door synchronously, and therefore the stroke of most of car door lock gaps and adjusting all will be subjected to the restriction that a cutter is opened layer every lock stroke that produces.In addition, can not consider the open the door factor of stroke of a cutter though also have some door locks, but because the restriction of space and structure, and the electrical contact reliability such as can't guarantee at reason, can only control in smaller scope the adjusting play of door lock, in general, this hit the bow and the door lock roller between the gap at 6mm～8mm.In sum, for an elevator, every layer has one to hit bow, and door lock has only one, and the bow position in vertical direction of hitting of ground floor should be consistent in theory, but always have deviation during on-the-spot the installation, like this, when surpassing this gap, door lock is not just opened, just directly influence the serviceability of elevator, so fault rate will increase; In addition, the adjusting surplus in door lock gap is more little, and the efficient of installing and debugging is just more low.
Summary of the invention
Technical matters to be solved by this invention is to provide the adjustable surplus amount in a kind of door lock gap big, thereby make elevator car door locking device easy to install and use, as to reduce the elevator faults rate.
For solving the problems of the technologies described above, elevator car door locking device provided by the invention, comprise and hit bow, adapter plate, movable latch hook and fixing latch hook, the described bow that hits is installed on the elevator door upper sill frame, adapter plate is installed on the door opening machine for elevator upper sill frame, fixedly latch hook is installed on the door opening machine for elevator link plate, and movable latch hook is hinged on the adapter plate.This elevator car door locking device also comprises fork, described fork is rotationally connected and is slidingly connected on the adapter plate simultaneously, fork formed by two lever arms and two lever arm shapes in an angle, the end of described two lever arms be connected with respectively first roller that is connected with the contact of movable latch hook with second roller that hits the bow disengagement or contact.
Described fork is rotationally connected and is slidingly connected on the adapter plate simultaneously and refers to, elevator car door locking device also comprises slide rail and slide block, the two ends of described slide rail are connected with adapter plate, and slide block is slidingly connected on the slide rail, and the junction of two lever arms of described fork is hinged on the slide block.
Be socketed with stage clip on the described slide rail, an end and the adapter plate of described stage clip push against, and the end face of the other end and slide block pushes against.
The junction of described fork and slide block is provided with torsion spring, and an end that is provided with second roller of fork is provided with projection, and an end and the projection of described torsion spring push against, and the other end and slide block push against.
Be connected with the caging bolt of throwing off or contacting with slide block on the described fork.
After adopting above structure, the present invention compared with prior art has the following advantages:
1) because fork is made up of two lever arms and two lever arms have formed an angle, the size of fork on the entire length direction reduced, because of differing greatly of two fork length, so can be implemented under the situation of the door lock first roller safety action stroke, the actuating length of second roller is less, thereby can increase second roller and hit distance between the bow, this can reach 15mm apart from maximum, like this, the adjusting surplus in door lock gap is just more big, the efficient of installing and debugging is just more high, also reduces the fault rate that elevator uses simultaneously;
2) because the rotation of movable latch hook only needs rotation that slide block, fork, stage clip and torsion spring realize movable latch hook and resets, structure is very simple, installs and use also convenient;
3) after fork is connected with the caging bolt of throwing off with slide block or contact, fork presses when rotating being hit bow, reaches spacing purpose by caging bolt with contacting of slide block, and is simple in structure.
Description of drawings
Fig. 1 is the structural representation of elevator car door locking device closed condition of the present invention.
Fig. 2 is the structural representation of A-A direction among Fig. 1.
Fig. 3 is the structural representation of elevator car door locking device opening of the present invention.
Wherein: 1, first roller; 2, adapter plate; 3, stage clip; 4, slide rail; 5, caging bolt; 6, slide block; 7, second roller; 8, fork; 9, movable latch hook; 10, fixing latch hook; 11, torsion spring; 12, projection; 13, hit bow; D, gap.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done explanation in further detail.
By the structural representation of the elevator car door locking device of the present invention of Fig. 1～shown in Figure 3 as can be known, it comprises hits bow 13, adapter plate 2, movable latch hook 9 and fixing latch hook 10, the described bow 13 that hits is installed on the elevator door upper sill frame, adapter plate 2 is installed on the door opening machine for elevator upper sill frame, fixedly latch hook 10 is installed on the door opening machine for elevator link plate, and movable latch hook 9 is hinged on the adapter plate 2.This elevator car door locking device also comprises fork 8, described fork 8 is rotationally connected and is slidingly connected at simultaneously on the adapter plate 2, fork 8 formed by two lever arms and two lever arm shapes in an angle, the end of described two lever arms be connected with respectively first roller 1 that is connected with 9 contacts of movable latch hook with second rollers 7 that hit bow 13 disengagements or contact.At second roller 7 and hit between the bow 13 and have a gap d, this gap d can reach 15mm, installs and the adjusting surplus during debugging increases thereby make.
Described fork 8 is rotationally connected and is slidingly connected at simultaneously on the adapter plate 2 and refers to, elevator car door locking device also comprises slide rail 4 and slide block 6, the two ends of described slide rail 4 are connected with adapter plate 2, slide block 6 is slidingly connected on the slide rail 4, and the junction of two lever arms of described fork 8 is hinged on the slide block 6.
Be socketed with stage clip 3 on the described slide rail 4, an end and the adapter plate 2 of described stage clip 3 push against, and the end face of the other end and slide block 6 pushes against.
Described fork 8 is provided with torsion spring 11 with the junction of slide block 6, and the end that fork 8 is provided with second roller 7 is provided with projection 12, and an end of described torsion spring 11 pushes against with projection 12, and the other end and slide block 6 push against.
Be connected with the caging bolt 5 of throwing off or contacting with slide block 6 on the described fork 8.
The working process of elevator car door locking device of the present invention is as follows:
In normal running state, movable latch hook 9 is snapping closures with fixing latch hook 10, and as shown in Figure 1, this moment, the car door lock can't be opened; Have only to onlocking zone energy auto-unlocking, this is because second roller 7 of fork 8 upper ends is positioned at the scope of hitting bow 13 at this moment, action along with door opener, door opener link plate parallel motion, drive also translation one segment distance of slide block 6, make second roller 7 and hit bow and 13 contact, because it is static hitting bow 13, hit bow 13 second roller 7 blocked, and slide block 6 is wanted translation with the door opener link plate, the rotary middle spindle of fork 8 is fixed with slide block 6, fork 8 also will be along with slide block 6 translations, but second roller 7 of fork 8 upper ends is hit bow 13 and is blocked, and forces fork 8 to rotate around its rotary middle spindle, at this moment, first roller 1 of fork 8 lower ends produces downward displacement, i.e. first roller 1 plane rolling on movable latch hook 9, thereby the rear end of depressing movable latch hook 9 forces the front end of movable latch hook 9 to lift, thereby break away from and the fixing snapping of latch hook 10, therefore, finish the process of unblanking, car door is opened.At closing time then slide block 6 with the reversing sense translation of door opener when opening the door, bend 13 with slide block 6 translations away from hitting at fork 8, at this moment, under the position-limiting action of the reset response of stage clip 3, torsion spring 11 and caging bolt 5, first roller 1 upwards lifts, movable latch hook 9 falls away from an end of first roller thereupon simultaneously, and at this moment movable latch hook 9 is finished closed and locked action with fixedly latch hook 10 is closed again.
When elevator hinders when being parked in onlocking zone for some reason, door opener is out of service, and the passenger opens the car door lock by pushing car door aside, its principle of unblanking during with normal operating condition auto-unlocking identical.When elevator hinders when being parked in outside the onlocking zone for some reason, because second roller 7 did not enter layer door and hit in the scope zone of bow 13 this moment, second roller 7 can not hit bow 13 with layer door and contact, and the car door lock can't be opened.When elevator hinders when being parked in onlocking zone for some reason, and the unable car door of pushing aside of passenger, after the rescue group can open layer door lock outside with key, push layer door aside a segment distance, bow 13 is hit in 7 contacts of second roller, and car door tegillum door drives to be opened, and this moment, the car door lock was opened.
Claims (5)
1. elevator car door locking device, comprise and hit bow (13), adapter plate (2), movable latch hook (9) and fixing latch hook (10), the described bow (13) that hits is installed on the elevator door upper sill frame, adapter plate (2) is installed on the door opening machine for elevator upper sill frame, fixedly latch hook (10) is installed on the door opening machine for elevator link plate, movable latch hook (9) is hinged on the adapter plate (2), it is characterized in that: this elevator car door locking device also comprises fork (8), described fork (8) is rotationally connected and is slidingly connected at simultaneously on the adapter plate (2), fork (8) formed by two lever arms and two lever arm shapes in an angle, the end of described two lever arms be connected with respectively first roller (1) that is connected with movable latch hook (9) contact with second roller (7) that hits bow (13) disengagement or contact.
2. elevator car door locking device according to claim 1, it is characterized in that: described fork (8) is rotationally connected and is slidingly connected at simultaneously on the adapter plate (2) and refers to, elevator car door locking device also comprises slide rail (4) and slide block (6), the two ends of described slide rail (4) are connected with adapter plate (2), slide block (6) is slidingly connected on the slide rail (4), and the junction of two lever arms of described fork (8) is hinged on the slide block (6).
3. elevator car door locking device according to claim 2, it is characterized in that: be socketed with stage clip (3) on the described slide rail (4), an end of described stage clip (3) and adapter plate (2) push against, and the end face of the other end and slide block (6) pushes against.
4. elevator car door locking device according to claim 2, it is characterized in that: described fork (8) is provided with torsion spring (11) with the junction of slide block (6), an end that is provided with second roller (7) of fork (8) is provided with projection (12), one end of described torsion spring (11) pushes against with projection (12), and the other end and slide block (6) push against.
5. elevator car door locking device according to claim 1 is characterized in that: be connected with the caging bolt (5) of throwing off or contacting with slide block (6) on the described fork (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110310314 CN102363491B (en) | 2011-10-14 | 2011-10-14 | Elevator cage door lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110310314 CN102363491B (en) | 2011-10-14 | 2011-10-14 | Elevator cage door lock device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102363491A CN102363491A (en) | 2012-02-29 |
| CN102363491B true CN102363491B (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110310314 Active CN102363491B (en) | 2011-10-14 | 2011-10-14 | Elevator cage door lock device |
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| Country | Link |
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| CN (1) | CN102363491B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858422A (en) * | 2016-05-18 | 2016-08-17 | 佛山甬大电梯部件有限公司 | Elevator car door lock |
| CN112225025A (en) * | 2020-10-29 | 2021-01-15 | 上海三菱电梯有限公司 | Method and device for monitoring engagement condition of lock hook of elevator landing door lock |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2766410B2 (en) * | 1991-11-11 | 1998-06-18 | 株式会社東芝 | elevator |
| JP2930512B2 (en) * | 1993-11-18 | 1999-08-03 | 東芝エフエーシステムエンジニアリング株式会社 | Elevator doors |
| JP4406136B2 (en) * | 1999-12-10 | 2010-01-27 | オーチス エレベータ カンパニー | Elevator door equipment |
| CN2602003Y (en) * | 2003-02-24 | 2004-02-04 | 宁波欣达电梯配件厂 | Door lock apparatus for elevator lobby |
| JP4985253B2 (en) * | 2007-09-12 | 2012-07-25 | 三菱電機株式会社 | Elevator landing door closing device |
| CN201390580Y (en) * | 2009-05-05 | 2010-01-27 | 广东菱王电梯有限公司 | Door lock of elevator car |
| CN101734536B (en) * | 2010-01-28 | 2011-11-30 | 允成机电科技(上海)有限公司 | Elevator door lock device of vertical sliding door |
| CN202272609U (en) * | 2011-10-14 | 2012-06-13 | 宁波申菱电梯配件有限公司 | Elevator cage door locking device |
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2011
- 2011-10-14 CN CN 201110310314 patent/CN102363491B/en active Active
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| Publication number | Publication date |
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| CN102363491A (en) | 2012-02-29 |
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Address after: 315731 Zhejiang city of Ningbo province Xiangshan County Shipu Science Park Keyuan Road No. 1 Patentee after: Ningbo Shen Ling mechanical and electrical Polytron Technologies Inc Address before: 315731 Zhejiang city of Ningbo Province Nanping Xiangshan County Shipu Town Road No. 195 Patentee before: Ningbo Shenling Lift Accessories Co., Ltd. |