CN203269295U - Elevator landing door lock device - Google Patents
Elevator landing door lock device Download PDFInfo
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- CN203269295U CN203269295U CN 201320267770 CN201320267770U CN203269295U CN 203269295 U CN203269295 U CN 203269295U CN 201320267770 CN201320267770 CN 201320267770 CN 201320267770 U CN201320267770 U CN 201320267770U CN 203269295 U CN203269295 U CN 203269295U
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Abstract
The utility model relates to the technical field of elevators, in particular to an elevator landing door lock device. The elevator landing door lock device comprises a mechanical interlocking element and an electrical verification safety circuit. The mechanical interlocking element comprises a hook plate fixed on a right hanging plate of a landing door device, and a lock hook fixed on a left hanging plate of the landing door device. The hook plate is provided with a hook hole. The electrical verification safety circuit comprises a wiring contact fixed on a bottom plate of the landing door device, a bi-pass contact fixed on the lock hook, and a large contact fixed at the front end of a rotary arm of the lock hook. A positive terminal and a negative terminal are arranged on the wiring contact. A positive circuit and a negative circuit extend respectively through the bi-pass contact and are converged and connected on the large contact to form a loop. The bi-pass contact is an 'L'-shaped elastic sheet type safety contact. When a landing door is closed, the bi-pass contact is in contact with the wiring contact and the large contact respectively. The safety of the landing door can be ensured more simply, directly and effectively.
Description
Technical field
The utility model relates to the elevator technology field, relates in particular to a kind of elevator hall door lock device.
Background technology
Elevator is a kind of vertical conveyor take electrical motor as power, and case shape gondola is housed, and is used for tier building and takes advantage of people or carrying goods.Elevator is as the transport facility of vertical direction, become important Architectural Equipment in skyscraper and public place and indispensable.Along with the development of computer technology, automatic technology and Power Electronic Technique, modem elevator has become typical electromechanical integrated product.Raising along with whole national economy strength, the people's personal consumption level rises appreciably, the real estate developer releases medium-to-high grade little high level and high-rise residential building one after another energetically, has driven increasing rapidly of residential lift, becomes the main growth point in whole elevator market.
Existing layer door gear, when the interlock steel rope disconnected, the door of another side may be opened, and has larger potential safety hazard, therefore need to take, effective measures simpler, direct to the guarantee of layer door safety.
Summary of the invention
The purpose of this utility model is to provide a kind of elevator hall door lock device for the deficiencies in the prior art, and is simpler, direct, effective to the guarantee of layer door safety.
For achieving the above object, the utility model adopts following technical scheme: a kind of elevator hall door lock device, and it comprises mechanical locking device and electric authenticating security loop; Described mechanical locking device comprises and is fixed in layer hook plate of the right link plate of door gear, and be fixed in layer latch hook of the left link plate of door gear, described hook plate offers dog hole, during locking, the spiral arm front end of latch hook can mesh and keep interlocking state with dog hole, when unblanking, the spiral arm front end of latch hook rotates under the effect of door cutter and raises up and break off relations and remove interlocking; Described electric authenticating security loop comprises the wiring contact that is fixed on layer door gear base plate, is fixed on the bilateral contact on latch hook, and the large contact that is fixed on the spiral arm front end of latch hook, positive and negative terminals are arranged at the wiring contact, positive and negative link tester is crossed the bilateral contact and is extended respectively, submit tandem in large contact logical, form the loop; Described bilateral contact is " L " type spring-piece type safety contact, and the bilateral contact contacts with large contact with the wiring contact respectively at closing time.
Described latch hook also is provided with the Compress Spring for auxiliary locking action.
Described hook plate also is provided with protective cover.
The utility model beneficial effect is: a kind of elevator hall door lock device described in the utility model is simpler, direct, effective to the guarantee of layer door safety.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Constitution diagram when Fig. 2 is the front 10mm of the utility model door-closing in-place.
Fig. 3 is that the utility model is closed the door and do not put in place, the constitution diagram when latch hook does not fall.
Fig. 4 is the structural representation of bilateral of the present utility model contact.
Fig. 5 is the structural representation of wiring of the present utility model contact.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As Fig. 1 to shown in Figure 5, a kind of elevator hall door lock device described in the utility model, its structure is: it comprises mechanical locking device and electric authenticating security loop; Described mechanical locking device comprises and is fixed in layer hook plate of the right link plate of door gear 1, and be fixed in layer latch hook of the left link plate of door gear 12, described hook plate 1 offers dog hole 10, during locking, the spiral arm front end of latch hook 12 can mesh and keep interlocking state with dog hole 10, when unblanking, the spiral arm front end of latch hook 12 rotates under the effect of door cutter and raises up and break off relations and remove interlocking; Described electric authenticating security loop comprises the wiring contact 7 that is fixed on layer door gear base plate, be fixed on the bilateral contact 6 on hook plate 1, and the large contact 11 that is fixed on the spiral arm front end of latch hook 12, positive and negative terminals are arranged at wiring contact 7, positive and negative link tester is crossed bilateral contact 6 extensions respectively, submit tandem in large contact 11 logical, form the loop; Described bilateral contact 6 is " L " type spring-piece type safety contact, and bilateral contact 6 contacts with large contact 11 with wiring contact 7 respectively at closing time.Described latch hook 12 also is provided with the Compress Spring for auxiliary locking action.Described hook plate 1 also is provided with protective cover 5.
Wherein, fixedly the fastener of hook plate 1 and latch hook 12 is respectively 2 M8 * 16 bolts.Wiring contact 7 is arranged on base plate rail by support, is fixed by M6 * 12 screws.Protective cover 5, bilateral contact 6 is fixed on hook plate 1, and large contact 11 is fixed on latch hook 12, fixes by screw.
Commissioning requirements is as follows: after installation, during layer door lock complete locking during door-closing in-place, should protect hook plate 1 and latch hook 12 gaps＜3mm, depth of engagement is 11mm approximately; During layer door lock complete locking, wiring contact 7 contacts well with the contact of bilateral contact 6, and the about 3mm of the shell fragment of press-bending bilateral contact 6; During layer door lock complete locking, large contact 11 contacts well with the contact of bilateral contact 6, and the about 3mm of the shell fragment of press-bending bilateral contact 6; All contacts be all standings with contacting of contact, should not take partially or dew point.
A kind of elevator hall door lock device described in the utility model, principle of work is described below: during locking, when the right link plate of layer door gear and the left link plate door-closing in-place of layer door gear, the dog hole 10 of hook plate 1 and the spiral arm front end of latch hook 12 engagement interlocking, make the left and right link plate inseparable after interlocking, promote to mesh and keep interlocking state by the spiral arm self gravitation of latch hook 12 and auxiliary member Compress Spring.When unblanking, from the spiral arm action of latch hook 12, spiral arm rotates under the effect of door cutter, and the position of dog hole 10 engagements of front end and hook plate 1 raises up, and realizes breaking off relations, and removes interlocking, and after unblanking, the left and right link plate can move freely.The locking proof procedure is, the right link plate of layer door gear is closed the door when moving to door-closing in-place precontract 3mm, and bilateral contact 6 begins to contact with wiring contact 7, and the maintenance on-state is to door-closing in-place; When the right link plate of layer door gear and the left link plate door-closing in-place of layer door gear, the dog hole 10 of hook plate 1 and the spiral arm front end of latch hook 12 engagement interlocking; In the process of engagement interlocking, when depth of engagement 〉=7mm, large contact 11 begins contact with bilateral contact 6, and electric authenticating security loop is connected, and keeps on-state to final depth of engagement, namely when layer door lock meshes approximately 8mm, and the safety return circuit connection; When layer door lock breaks off relations, perhaps the layer right link plate of door gear or the arbitrary link plate of the layer left link plate of door gear leave the door-closing in-place position, will cause safety return circuit to disconnect; The proof procedure of unblanking is, when opening the door action, the spiral arm of latch hook 12 rotates under the effect of door cutter, and the spiral arm front end raises up, and depth of engagement reduces until break off relations; When depth of engagement was decreased to approximately 7mm, separated with bilateral contact 6 large contact 11, and electric authenticating security loop disconnects, and opens the door to continue action to the right link plate of layer door gear and leave opening position approximately during 3mm, and separate with wiring contact 7 bilateral contact 6.
A kind of elevator hall door lock device characteristics described in the utility model: 1, produce under Action of Gravity Field and keep locking action, and having Compress Spring to assist this locking action, double drive is guaranteed the reliability of locking action, and spring failure can not cause and unblank.2, before the electric safety device action, the depth of engagement＞7mm of locking element.3, strength estimation: to take off a power and estimate by 500N, safety factor gets＞and 8, locking element: in part 12, meshing part is made of the steel plate of thick 4mm, stress sectional area 48mm 2.The steel plate of the part 1 thick 4mm of use is made, stress sectional area 60mm 2.Calculate stretching resistance: Fs minimum=235x48=11280N by yield strength σ s=235Mpa.Safety factor calculates: 11280/500=22.56＞8, satisfy the working strength demand.Fastener: 4.8 grades, M8 bolt, shearing stress 0.7x400Mpa=280Mpa, stress sectional area 36.6mm2.Shearing resistance 280x36.6=10248N.Safety factor calculates: 10248/500=20.5＞8.Satisfy the working strength demand.4, the spring-piece type safety contact is adopted in the electric checking of layer door lock assembly, and existing main product is adopted in the contact, satisfies electric operating needs.Protective cover 5 is set, prevents that laying dust and foreign material from falling into.
Above-mentioned a kind of elevator hall door lock device, its open locking verification method is: the locking verification method is: a layer door gear right link plate closed the door when moving to door-closing in-place precontract 3mm, and bilateral contact 6 begins to contact with wiring contact 7, and the maintenance on-state is to door-closing in-place; When the right link plate of layer door gear and the left link plate door-closing in-place of layer door gear, the dog hole 10 of hook plate 1 and the spiral arm front end of latch hook 12 engagement interlocking; In the process of engagement interlocking, when depth of engagement 〉=7mm, large contact 11 begins contact with bilateral contact 6, and electric authenticating security loop is connected, and keeps on-state to final depth of engagement, namely when layer door lock meshes approximately 8mm, and the safety return circuit connection; When layer door lock breaks off relations, perhaps the layer right link plate of door gear or the arbitrary link plate of the layer left link plate of door gear leave the door-closing in-place position, will cause safety return circuit to disconnect; The verification method of unblanking is: when opening the door action, the spiral arm of latch hook 12 rotates under the effect of door cutter, and the spiral arm front end raises up, and depth of engagement reduces until break off relations; When depth of engagement was decreased to approximately 7mm, separated with bilateral contact 6 large contact 11, and electric authenticating security loop disconnects, and opens the door to continue action to the right link plate of layer door gear and leave opening position approximately during 3mm, and separate with wiring contact 7 bilateral contact 6.
In sum, a kind of elevator hall door lock device described in the utility model judges the checking layer locking of door lock and putting in place of left and right door link plate simultaneously by a loop, and wiring is more succinct; Layer door lock is left and right link plate interlocking, improves safety: during layer door lock locking, about guaranteeing, layer door is inevitable closed, when the steel rope of avoiding linking inefficacy or fracture, and the risk of one-sided layer door losing lock; Strong disconnected type safety contact guarantees when door-plate leaves make position, and safety return circuit must disconnect.The circuit connection end is fixed on base plate, and wiring and wiring operations are simple.
The above is only better embodiment of the present utility model, therefore all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (3)
1. elevator hall door lock device is characterized in that: it comprises mechanical locking device and electric authenticating security loop; Described mechanical locking device comprises and is fixed in layer hook plate of the right link plate of door gear (1), and be fixed in layer latch hook of the left link plate of door gear (12), described hook plate (1) offers dog hole (10), during locking, the spiral arm front end of latch hook (12) can mesh and keep interlocking state with dog hole (10), when unblanking, the spiral arm front end of latch hook (12) rotates under the effect of door cutter and raises up and break off relations and remove interlocking; Described electric authenticating security loop comprises the wiring contact (7) that is fixed on layer door gear base plate, is fixed on the bilateral contact (6) on hook plate (1), and the large contact (11) that is fixed on the spiral arm front end of latch hook (12), positive and negative terminals are arranged at wiring contact (7), positive and negative link tester is crossed bilateral contact (6) and is extended respectively, submit tandem in large contact (11) logical, form the loop; Described bilateral contact (6) is " L " type spring-piece type safety contact, and bilateral contact (6) contact with large contact (11) with wiring contact (7) respectively at closing time.
2. a kind of elevator hall door lock device according to claim 1 is characterized in that: described latch hook (12) also is provided with the Compress Spring for auxiliary locking action.
3. a kind of elevator hall door lock device according to claim 1, it is characterized in that: described hook plate (1) also is provided with protective cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320267770 CN203269295U (en) | 2013-05-17 | 2013-05-17 | Elevator landing door lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320267770 CN203269295U (en) | 2013-05-17 | 2013-05-17 | Elevator landing door lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203269295U true CN203269295U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320267770 Expired - Lifetime CN203269295U (en) | 2013-05-17 | 2013-05-17 | Elevator landing door lock device |
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| CN (1) | CN203269295U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231973A (en) * | 2013-05-17 | 2013-08-07 | 快意电梯股份有限公司 | Elevator floor door lock device and lock locking and unlocking verification method |
| CN104176603A (en) * | 2014-08-29 | 2014-12-03 | 上海市特种设备监督检验技术研究院 | New type elevator landing door lock |
| CN106315328A (en) * | 2016-09-22 | 2017-01-11 | 浙江理工大学 | Mechanical test device for door lock of elevator floor door |
| CN110422718A (en) * | 2019-09-05 | 2019-11-08 | 大连欧意测量仪器有限公司 | Door lock of elevator depth of engagement detector and elevator device |
-
2013
- 2013-05-17 CN CN 201320267770 patent/CN203269295U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231973A (en) * | 2013-05-17 | 2013-08-07 | 快意电梯股份有限公司 | Elevator floor door lock device and lock locking and unlocking verification method |
| CN103231973B (en) * | 2013-05-17 | 2016-01-06 | 快意电梯股份有限公司 | A kind of elevator hall door lock device and open locking verification method |
| CN104176603A (en) * | 2014-08-29 | 2014-12-03 | 上海市特种设备监督检验技术研究院 | New type elevator landing door lock |
| CN106315328A (en) * | 2016-09-22 | 2017-01-11 | 浙江理工大学 | Mechanical test device for door lock of elevator floor door |
| CN106315328B (en) * | 2016-09-22 | 2018-09-25 | 浙江理工大学 | Elevator landing door lock Mechanical test facilities |
| CN110422718A (en) * | 2019-09-05 | 2019-11-08 | 大连欧意测量仪器有限公司 | Door lock of elevator depth of engagement detector and elevator device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
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| CX01 | Expiry of patent term |