CN101575923A - Elevator door lock device - Google Patents
Elevator door lock device Download PDFInfo
- Publication number
- CN101575923A CN101575923A CNA2009100162043A CN200910016204A CN101575923A CN 101575923 A CN101575923 A CN 101575923A CN A2009100162043 A CNA2009100162043 A CN A2009100162043A CN 200910016204 A CN200910016204 A CN 200910016204A CN 101575923 A CN101575923 A CN 101575923A
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- Prior art keywords
- door lock
- hammerlock
- seat
- latch hook
- locking bolt
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Abstract
The invention provides an elevator door lock device, which can solve the unsafe problem in the prior art resulting from the fact that the elevator automatic door lock causes easy opening of a hoistway door due to spring filature. The elevator door lock device has the structural characteristics that: the outside of the bending part of a lock cross arm is connected with a lock hook with a gravity hammer; the lock hook is positioned above a lock rod; and the lock hook and the lock rod are meshed under the action of the supporting force of a hinged support and the gravity of the gravity hammer so as to solve the unsafe problem caused by the prior elevator automatic door lock due to the spring failure.
Description
Technical field
The present invention relates to elevator, relate in particular to elevator door lock device.
Background technology
Hammerlock in the existing elevator door lock device is arranged on the locking bolt below, is locked on the locking bolt by the latch hook on the hammerlock, to reach the effect of locking elevator door.Under the state of closing the door, rely on spring force that latch hook is held on the locking bolt.When opening the door, the door cutter promotes hammerlock left and rotates, and makes hammerlock do to change clockwise and breaks away from locking bolt, be that hammerlock rotates the disengaging locking bolt, conductive seat on the hammerlock head and electric switch contact break away from simultaneously, when limited of the rotation of hammerlock is blocked, the unlocking action of door cutter finishes, and Room door is driven.The problem that above-mentioned door lock assembly exists is, latch hook is to rely on spring force to hook locking bolt from below, when spring goes wrong, for example, the spring inefficacy that comes off, in the time of can not hanging tight locking bolt, latch hook has the tendency that breaks away from locking bolt, under the influence of other factors, hammerlock very likely occurs and rotates and then make latch hook to break away from the phenomenon of locking bolt automatically, Room door is easy to be opened, thereby causes security incident.
Summary of the invention
The invention provides a kind of elevator door lock device, it can solve the Automatic door of elevator lock of prior art existence because of the Room door that the spring action inefficacy causes is easy to be opened, and causes unsafe problems.
In order to reach the purpose that solves the problems of the technologies described above, technical scheme of the present invention is, a kind of elevator door lock device, comprise the door lock seat, the chain type hammerlock, locking bolt, limited block, the compression spring, it is characterized in that: described chain type hammerlock has the hammerlock seat, lock transverse arm and latch hook, described lock transverse arm one end is described latch hook, the other end is described hammerlock seat, described lock transverse arm has cup depth upwards, described limited block contacts at described cup depth place, described latch hook is positioned at described locking bolt top, and described hammerlock seat top is provided with the door lock wheel, and the door lock wheel shaft on the described door lock wheel is arranged on the described hammerlock seat; Described hammerlock seat bottom is provided with decides the core wheel, the described core wheel shaft of deciding on the core wheel of deciding runs through described hammerlock seat and is located on the described door lock seat, described door lock wheel shaft and describedly have eccentric throw between deciding about the core wheel shaft, the setting of taking back of described door lock wheel shaft, described door lock are taken turns between the described hammerlock seat end of a side and the described door lock seat and are provided with described compression spring.
The present invention has following supplementary technology scheme:
The depth of engagement scope of described latch hook and described locking bolt is 7～8mm, and the described depth of engagement relies on limited block to regulate.
Described eccentric throw is 5～7mm.
Described locking bolt is obliquely installed, and angle is 20 °～25 ° between the level.
Described latch hook bottom surface is formed with cavity, is provided with contact block in the described cavity, and when locking states, described contact block contacts with electrical contact.
Described compression both ends of the spring is provided with the spring reference column, and described compression spring is fixed on the described reference column.Can play fixing and guide effect to spring.
Construction features of the present invention are that the outside, bending place of lock transverse arm connects a latch hook that has gravity drop hammer, latch hook is positioned at the locking bolt top, by the support power of hinged support and the action of gravity that gravity drop hammer gave, impel the engagement of latch hook and locking bolt, solved the unsafe problems that original Automatic door of elevator lock lost efficacy and causes because of spring action.
The present invention is an electromechanical interlocking device, and the keying of the locking device on the layer door is driven by the door cutter by gate.Layer door is passive, and gate is a door initiatively, and therefore the switching of layer door is to live a layer door lock roller by the door cutter holder on the gate, make latch hook on the hammerlock break off relations the back and then gate move together.
The depth of engagement of latch hook, the size of promptly hooking is crucial, and standard-required is when the depth of engagement reaches and surpass 7～8mm, and electrical contact could be connected, and elevator could start operation.The power of latch hook locking is by force application element, and promptly the gravity of holddown spring and latch hook is supplied with.
The present invention compared with prior art has the following advantages and good effect:
1, latch hook is arranged on the locking bolt top, form the gravity latch hook, when the compression spring failure, the action of gravity that support force and gravity drop hammer gave by eccentric hinged support, make the still engagement reliably of latch hook and locking bolt, the phenomenon that breaks off relations can not occur, solve the unsafe problems that existing Automatic door of elevator lock lost efficacy and causes because of spring action.
2, upper and lower two-wheeled off-centre is provided with formula, and when opening, the door lock wheel rotates around deciding the core wheel, and the chain type hammerlock is upwards clockwise rotated, and just can open, and is safe and reliable.
3, the depth of engagement is regulated by limited block, and the depth of engagement is big, and locking bolt is obliquely installed in addition, and latch hook and locking bolt are firmly closed.
4, elevator when operation door cutter and the disengagement of door lock safety are difficult for running into and cause fault.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in detail.
Fig. 1 is an elevator door lock device front view of the present invention;
1, adjusts bolt; 2, nut; 3, door lock seat; 4, spring; 5, door lock wheel shaft; 6, back-up ring; 7, door lock wheel; 8, chain type hammerlock; 8-1, hammerlock seat; 8-2, latch hook; 8-3, lock transverse arm; 8-4, cup depth; 9, decide the core wheel shaft; 10, limited block; 11, screw; 12, contact block; 13, locking bolt; 14, spring reference column; 15, decide the core wheel; 16, electrical contact; E, eccentric throw.
The specific embodiment
Referring to Fig. 1, described chain type hammerlock 8 has latch hook 8-2, lock transverse arm 8-3 and hammerlock seat 8-1.Chain type hammerlock 8 is that an integral cast steel material is made, and requires latch hook 8-2 to have constant weight, to guarantee to meet the gravity of specified requirement.Hammerlock seat 8-1 is positioned at the right side, decides core wheel shaft 9 and runs through hammerlock seat 8-1 axle and be located on the door lock seat 3, thereby form the rotating fulcrum of chain type hammerlock 8.Lock transverse arm 8-3 bottom has the cup depth 8-4 that caves inward, and limited block 10 withstands on the cup depth 8-4 place of lock transverse arm 8-3, and limited block 10 is fixed on the described door lock seat 3.Hence one can see that, and chain type hammerlock 8 passes through above-mentioned decide core wheel shaft 9 and limited block 10 formation support and location.Hammerlock seat 8-1 top is provided with door lock wheel 7, and door lock wheel shaft 5 is installed on the door lock seat 3, and door lock wheel 7 can be around 5 rotations of door lock wheel shaft.Hammerlock seat 8-1 bottom is provided with decides core wheel 15, decide core and takes turns 15 and be installed in and describedly decide on the core wheel shaft 9.Chain type hammerlock 8, door lock wheel 7 can rotate around deciding core wheel shaft 9, and deciding core wheel 15 can be around deciding 9 rotations of core wheel shaft.The setting of taking back of door lock wheel shaft 5 and decide to have eccentric distance e between the core wheel shaft about 9, door lock wheel shaft 5, eccentric distance e is 6mm.This eccentric distance e is to take turns 15 usefulness that clockwise rotate for door lock wheel 7 and chain type hammerlock 8 around decide core, so that latch hook 8-2 gets around locking bolt 13, reach the effect of unblanking, eccentric distance e also has the tendency that chain type hammerlock 8 is tilted to locking bolt 13 directions, impel latch hook 8-2 to keep, thereby make latch hook 8-2 keep reliable and secure ground locking state to counter clockwise direction trend.Be provided with described compression spring 4 between described hammerlock seat 8-1 upper end and the described door lock seat 3, described compression spring 4 two ends are provided with spring reference column 14, and described compression spring 4 is fixed on the described spring reference column 14, comes off to avoid spring 4.Equally, compression spring 4 keeps supplying with the power of pushing chain type hammerlock 8 locking directions, to reach the purpose of safe locking.The left end of lock transverse arm 8-3 is latch hook 8-2, and described latch hook 8-2 is positioned at described locking bolt 13 tops.Described locking bolt 13 is obliquely installed, and angle is 20 °～25 ° between the level.Present embodiment is chosen as 22 °.The depth of engagement scope of described latch hook 8-2 and described locking bolt 13 is 7～8mm, and the depth of engagement relies on limited block 10 to regulate.Present embodiment is chosen as 7mm.During adjusting, unclamp nut 2, rotary spacing piece 10 is during to assigned position, and locking nut 2 gets final product.
Described latch hook 8-2 bottom surface is formed with cavity, is provided with contact block 12 in the described cavity, and when locking states, described contact block 12 contacts with electrical contact 16.
When opening the door, a door cutter holder is lived door lock wheel 7 and is clockwise rotated, and drives chain type hammerlock 8 simultaneously clockwise around decide 9 rotations of core wheel shaft, thereby latch hook 8-2 gets around locking bolt 13, and at this moment, door lock is in opening.
After the closure, the acting in conjunction of spring force and latch hook self gravity is arranged, can be firmly closed, the electrical interlocks contact is good.
By design feature of the present invention as can be known, even compression spring 4 lost efficacy, because chain type hammerlock 8 is positioned at locking bolt 13 tops, by the gravity of latch hook 8-2 self and enough depths of engagement, and the acting in conjunction of eccentric distance e, latch hook 8-2 hooks locking bolt 13 still solid and reliablely, the phenomenon that can not break off relations, thereby the phenomenon of having avoided elevator door to be opened.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (6)
1, a kind of elevator door lock device, comprise door lock seat, chain type hammerlock, locking bolt, limited block, compression spring, it is characterized in that: described chain type hammerlock has hammerlock seat, lock transverse arm and latch hook, described lock transverse arm one end is described latch hook, the other end is described hammerlock seat, described lock transverse arm has cup depth upwards, described limited block contacts at described cup depth place, described latch hook is positioned at described locking bolt top, described hammerlock seat top is provided with the door lock wheel, and the door lock wheel shaft on the described door lock wheel is arranged on the described hammerlock seat; Described hammerlock seat bottom is provided with decides the core wheel, the described core wheel shaft of deciding on the core wheel of deciding runs through described hammerlock seat and is located on the described door lock seat, described door lock wheel shaft and describedly have eccentric throw between deciding about the core wheel shaft, the setting of taking back of described door lock wheel shaft, described door lock are taken turns between the described hammerlock seat end of a side and the described door lock seat and are provided with described compression spring.
2, a kind of elevator door lock device according to claim 1 is characterized in that: the depth of engagement scope of described latch hook and described locking bolt is 7～8mm, and the described depth of engagement relies on limited block to regulate.
3, a kind of elevator door lock device according to claim 1 and 2 is characterized in that: described eccentric throw is 5～7mm.
4, a kind of elevator door lock device according to claim 3, it is characterized in that: described locking bolt is obliquely installed, and angle is 20 °～25 ° between the level.
5, a kind of elevator door lock device according to claim 4 is characterized in that: described latch hook bottom surface is formed with cavity, is provided with contact block in the described cavity, and when locking states, described contact block contacts with electrical contact.
6, a kind of elevator door lock device according to claim 5 is characterized in that: described compression both ends of the spring is provided with the spring reference column, and described compression spring is fixed on the described reference column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100162043A CN101575923B (en) | 2009-06-12 | 2009-06-12 | Elevator door lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100162043A CN101575923B (en) | 2009-06-12 | 2009-06-12 | Elevator door lock device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101575923A true CN101575923A (en) | 2009-11-11 |
| CN101575923B CN101575923B (en) | 2012-05-23 |
Family
ID=41270978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100162043A Expired - Fee Related CN101575923B (en) | 2009-06-12 | 2009-06-12 | Elevator door lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101575923B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897639A (en) * | 2012-10-12 | 2013-01-30 | 宁波昌隆机电有限公司 | Elevator door lock with limiting bushes |
| CN103064014A (en) * | 2012-12-05 | 2013-04-24 | 林国希 | Elevator door interlock switch intelligent tester and test method thereof |
| WO2018126799A1 (en) * | 2017-01-05 | 2018-07-12 | 胡安·拉蒙·戈米斯·拉瓦萨 | Limit wheel device and elevator floor door lock assembly comprising same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5386886A (en) * | 1993-08-27 | 1995-02-07 | Otis Elevator Company | Elevator door lock mechanism |
| CN2200686Y (en) * | 1994-08-05 | 1995-06-14 | 魏庆祥 | Automatic door lock for gravity elevator |
| CN201068361Y (en) * | 2007-07-23 | 2008-06-04 | 浙江中成建工集团有限公司 | Gravity type automatic locking device for lifting machine protection door |
| JP2009113976A (en) * | 2007-11-09 | 2009-05-28 | Toshiba Elevator Co Ltd | Door device of elevator |
| CN201458478U (en) * | 2009-06-12 | 2010-05-12 | 富士工业(青岛)电梯制造有限公司 | Elevator door locking device |
-
2009
- 2009-06-12 CN CN2009100162043A patent/CN101575923B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897639A (en) * | 2012-10-12 | 2013-01-30 | 宁波昌隆机电有限公司 | Elevator door lock with limiting bushes |
| CN102897639B (en) * | 2012-10-12 | 2016-05-25 | 宁波昌隆机电有限公司 | A kind of door lock of elevator with limiting bush |
| CN103064014A (en) * | 2012-12-05 | 2013-04-24 | 林国希 | Elevator door interlock switch intelligent tester and test method thereof |
| CN103064014B (en) * | 2012-12-05 | 2015-03-18 | 广州市驷雄五金有限公司 | Elevator door interlock switch intelligent tester and test method thereof |
| WO2018126799A1 (en) * | 2017-01-05 | 2018-07-12 | 胡安·拉蒙·戈米斯·拉瓦萨 | Limit wheel device and elevator floor door lock assembly comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101575923B (en) | 2012-05-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Fenggui Inventor after: Wang Xinyu Inventor after: Yang Peilu Inventor after: Wang Zhiwei Inventor after: Gu Qun Inventor after: Liu Yansheng Inventor before: Wang Zehe Inventor before: Yang Fenggui |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG ZEHE YANG FENGGUI TO: YANG FENGGUI WANG XINYU YANG PEILU WANG ZHIWEI GU QUN LIU YANSHENG |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20180612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |