CN101786569B - Contact switch of elevator door lock - Google Patents
Contact switch of elevator door lock Download PDFInfo
- Publication number
- CN101786569B CN101786569B CN2010101129346A CN201010112934A CN101786569B CN 101786569 B CN101786569 B CN 101786569B CN 2010101129346 A CN2010101129346 A CN 2010101129346A CN 201010112934 A CN201010112934 A CN 201010112934A CN 101786569 B CN101786569 B CN 101786569B
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- push rod
- contact
- moving contact
- door lock
- moving
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Abstract
The invention relates to a contact switch of an elevator door lock, comprising a shell body, wherein the head of the shell body is provided with a first-level push rod device which comprises a push rod and a compression spring arranged on the push rod; one end of the push rod extends out of the shell body; one end of the push rod, which is positioned in the shell body, is connected with a movablecontact device; the movable contact device is provided with a plurality of movable contacts; the shell body is internally provided with an assistant contact device which is provided with static contacts and assistant contacts, wherein the static contacts are matched with the movable contacts and the assistant contacts are matched with main contacts of the door lock; the static contacts are communicated with the assistant contacts; a two-level push rod device is arranged between the push rod and the movable contact device and comprises a touch plate screw; one end of the touch plate screw is connected with the push rod, and the other end of the touch plate screw is elastically sheathed with the movable contact device; and a gap is arranged between the movable contact device and the push rod. The invention provides the contact switch of the elevator door lock, which effectively solves the problems of touch failure or touch deflection and reduction of touch performance of the contacts ofthe contact switch.
Description
Technical field
The present invention relates to a kind of contact switch, relate in particular to a kind of contact switch of elevator door lock that is used for the elevator door device.
Background technology
Show that according to investigations breaking down maximum on the elevator is a layer door gear and a door machine, and these faults are to appear on the electric switch mostly.For layer door gear, the place of breaking down usually is exactly a door switch, and cause the reason overwhelming majority of door switch fault to be because the contact of door switch and the contact does not reach or modification or contact on laying dust cause bad contact.
Door switch in the past is split type door switch, mainly is divided into auxiliary contact switch and two parts of door lock main contact switch.A break back contact of auxiliary contact switch attaches together on the base plate of layer door gear doorframe, and cooresponding moving contact then is contained on the link plate of fixing safety contact assembly.Chinese patent CN2602003Y discloses the door lock structure of similar split, and it comprises lock structure, locking bolt and pipe link and safety contact, and the lock set that is fixed with locking bolt is contained on the doorframe of layer door; Latch hook adapter plate and live roller assembly are separately fixed at the going up of layer door, middle part, and latch hook is engageable with locking bolt or separate, and latch hook and adapter plate are rotatably connected mutually; One end of pipe link and the movable end of latch hook join, and the other end links to each other with the shift fork of live roller assembly, and the shift fork in the live roller assembly sways; The drive pipe link makes latch hook be meshed with locking bolt or separates, thereby makes Room door lock live elevator lifting; When elevator was out of service, Room door was opened.
What layer door gear installed in hoistway as you know can not be fully perpendicular to ground-surface; So just produce a problem when installing at the scene; If dress is straight or the link plate angle is not parallel with layer door gear base plate to just being easy to generate link plate fully for layer door gear exactly; The contact that so just is easy to generate the auxiliary contact switch does not contact or touches partially, thereby influences the performance of whole contact, increases the fault rate of layer door gear.On the other hand, because the contact can produce static when charged action, and this electrostatic energy is drawn onto dust on the contact, and the contact performance of contact just descends in the course of time, can cause the door switch et out of order equally.
Summary of the invention
The present invention mainly is that the contact that solves the existing in prior technology door switch does not contact or touches partially, the technical matters of degradation under the contact performance; A kind of contact switch of elevator door lock is provided, and the contact that efficiently solves contact switch does not contact or touches partially, degradation technical matters under the contact performance.
Above-mentioned technical matters of the present invention mainly is able to solve through following technical proposals: it comprises housing, and said housing head is provided with the one-level push rod device, and said one-level push rod device comprises push rod and is located at the compression spring on the push rod; Said push rod one end stretches out outside the housing; The end that push rod is positioned at housing is connected with the moving contact device, and said moving contact device is provided with some moving contacts, is provided with the auxiliary contact device in the said housing; Said auxiliary contact device be provided with the suitable break back contact of moving contact and with the suitable auxiliary contact of the main contact of door lock assembly; Said break back contact and auxiliary contact are conducted, and it is characterized in that, are provided with the secondary push rod device between push rod and the moving contact device; Said secondary push rod device comprises the touch panel screw; Said touch panel screw one end is connected on the push rod, and resilient sleeve is connected to the moving contact device on the other end of touch panel screw, and is gapped between said moving contact device and the push rod.Push rod and secondary push rod device are formed the dual spring pusher structure; When push rod promotes; Push rod drives the secondary push rod device and the moving contact device moves to the break back contact direction; Contact with break back contact on the auxiliary contact device up to the moving contact on the moving contact device, moving contact device stop motion this moment is because gapped existence between moving contact device and the push rod; Overcome the elastic force between moving contact device and the secondary push rod device so work as push rod and secondary push rod device; Can continue inside motion, thereby it is tightr to make that moving contact contacts with break back contact, the secondary push rod device continuation this moment inwardly maxim of the displacement of motion is the distance in gap between moving contact device and the push rod.
As preferably, have the push rod chamber towards one of break back contact on the said push rod, said secondary push rod device is connected in the push rod chamber.Push rod and secondary push rod device can be synchronized with the movement like this.
As preferably; Said moving contact device comprises the moving contact adapter plate; The moving contact adapter plate is provided with at least one pair of moving contact, and said moving contact adapter plate is actively socketed on the touch panel screw, and said touch panel screw is provided with the touch panel spring; Said touch panel spring props up on the moving contact adapter plate end face, makes the spacing nut that is shaped on moving contact adapter plate and the touch panel screw contact.The moving contact device is connected on the push rod through the touch panel screw.When push rod inwardly promotes, drive the motion of touch panel screw, the touch panel spring on the touch panel screw promotes the motion of moving contact adapter plate at this moment.Nut on the touch panel screw can be pushed down the moving contact adapter plate, prevents that the moving contact adapter plate breaks away from from the touch panel screw.
As preferably, said housing head is provided with push rod guiding cavity, and said push rod is arranged in the said push rod guiding cavity, and said push rod is provided with compression spring.There is the effect of guiding in the push rod chamber for push rod, and push rod drives moving contact through the secondary push rod device, makes the contact angle relative fixed of moving contact and break back contact like this.Compression spring has the effect that resets for push rod.
As preferably, the gap between said moving contact device and the push rod is not more than 10mm.
As preferably; Said auxiliary contact device comprises the break back contact plate and the electrically conductive elastic plectrum of conduction; Said break back contact plate and said electrically conductive elastic plectrum are conducted through electric wire, and said break back contact is arranged on the break back contact plate, and said auxiliary contact is arranged on the electrically conductive elastic plectrum.Auxiliary contact can be selected sensitive silver contact for use.
As preferably, said push rod comprises the fixedly sleeve-board that push rod one end is provided with, and said adapter plate puts the translot that is provided with a ccontaining moving contact adapter plate, and the gap between said moving contact device and the push rod is the moving contact device and the fixing spacing of sleeve-board.The moving contact adapter plate is arranged in the translot of fixing sleeve-board, and the moving contact adapter plate can not arbitrarily be rotated by the restriction of translot like this, thereby prevents that moving contact and break back contact from touching partially.
As preferably, the touching face of said moving contact and corresponding break back contact over against.Can make when moving contact contacts with break back contact to be the face contact like this, guarantee moving contact and break back contact full contact.
As preferably, said housing is provided with cover plate, has an opening on the side near auxiliary contact on the said housing.Cover plate and housing have dustproof effect.The setting of opening makes the main contact of door lock assembly can go deep into breaking off mutually with auxiliary contact in the housing of the present invention or contacting.
The beneficial effect that the present invention brings is; The present invention designs the moving contact of secondary door switch and break back contact in a housing; The contact position that can guarantee moving contact and break back contact is relatively stable, need not to guarantee the setting accuracy of link plate with respect to layer door gear base plate when mounted.Further, through structure such as housing and cover plate protection in-to-in contact and can prevent effectively that dust is adsorbed on the contact.Moving contact of the present invention contacts with break back contact employing face, and is different with the contact of in the past point, and the secondary push rod device drives by push rod, after moving contact and break back contact touch, still can stretch into inwards, makes between the contact like this to be contacted fully.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present invention when on layer door gear, using;
Accompanying drawing 2 is a kind of structural representations of the present invention;
Accompanying drawing 3 is a kind of structure for amplifying scheme drawings of push rod in the accompanying drawing 2, secondary push rod device and moving contact device;
Accompanying drawing 4 is a kind of side-looking structural representations of accompanying drawing 2;
Accompanying drawing 5 is a kind of structure for amplifying scheme drawings of push rod in the accompanying drawing 4, secondary push rod device and moving contact device.
Description of drawings: 1, housing; 2, secondary push rod device; 3, moving contact device; 5, break back contact plate; 6, electrically conductive elastic plectrum; 7, moving contact; 8, touch panel spring; 9, auxiliary contact; 10, nested nut; 11, compression spring; 12, push rod chamber; 13, push rod; 14, touch panel screw; 15, moving contact adapter plate; 16, fixing sleeve-board; 17, the base plate of layer door gear doorframe; 18, main contact; 19, auxiliary contact device; 20, door lock assembly; 21, one-level push rod device.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment: the contact switch of elevator door lock of present embodiment is as shown in Figure 1, comprises housing 1, and one-level push rod device 21, secondary push rod device 2 and auxiliary contact device 19 are arranged in the housing 1.
Like Fig. 2, shown in 5, housing 1 head is shaped on square push rod guiding cavity, and push rod 13 is installed in this push rod guiding cavity; One-level push rod device 21 comprises push rod 13, is with compression spring 11 on the push rod 13, has push rod chamber 12 on the end of push rod 13; The fixedly sleeve-board 16 of spill is housed on push rod 13 these end faces, secondary push rod device 2 is installed in the push rod chamber 12, be connected with moving contact device 3 on the secondary push rod device 2; The position of this moving contact device 3 is in the spill translot of fixing sleeve-board 16; At moving contact device 3 with fixedly between the inner end surface of sleeve-board 16 spill translots an intersegmental crack is arranged, this gap is 3mm, and the gap can a little bit smallerly be 2mm also certainly.
As shown in Figure 3, secondary push rod device 2 comprises touch panel screw 14, and this touch panel screw 14 is threaded with nested nuts 10 in being connected push rod chamber 12, thus with push rod 13 relative fixed.
As shown in Figure 3; Moving contact device 3 is a moving contact adapter plate 15; Be fixed with a pair of moving contact 7 on the moving contact adapter plate 15, moving contact adapter plate 15 is actively socketed on the touch panel screw 14, is with touch panel spring 8 on the touch panel screw 14; Touch panel spring 8 props up on moving contact adapter plate 15 end faces, makes moving contact adapter plate 15 contact with the nut of touch panel screw 14.
Like Fig. 1, shown in 4, the break back contact plate 5 of pair of conductive is housed in the housing 1, break back contact plate 5 is straight plate; Straight wrench portion is the break back contact attachment face that is bent into an angle of 90 degrees, and a pair of break back contact is housed on the break back contact attachment face, and two blocks of break back contact plates 5 are parallel; This to break back contact and moving contact 7 over against; Pair of conductive elastic plectrum 6 also is housed in the housing 1, is conducted through electric wire between electrically conductive elastic plectrum 6 and the break back contact plate 5, a pair of bifurcated sheet of turning up is arranged on every electric elastic plectrum; On each bifurcated sheet termination, be fixed with auxiliary contact 9, this auxiliary contact 9 is a silver contact.Be stamped cover plate on the housing 1, on the side near auxiliary contact on the housing, have an opening, stretch into the main contact 18 of convenient door lock device 20.
During use, when moving contact 7 contacts with break back contact, and the main contact 18 of door lock assembly 20 simultaneously as shown in Figure 1 is when contacting with auxiliary contact 9, and elevator brings into operation.
Claims (9)
1. a contact switch of elevator door lock comprises housing, and said housing head is provided with the one-level push rod device; Said one-level push rod device comprise push rod be located at the compression spring on the push rod, said push rod one end stretches out outside the housing, the end that push rod is positioned at housing is connected with the moving contact device; Said moving contact device is provided with some moving contacts; Be provided with the auxiliary contact device in the said housing, said auxiliary contact device be provided with the suitable break back contact of moving contact and with the suitable auxiliary contact of the main contact of door lock assembly, said break back contact and auxiliary contact are conducted; It is characterized in that; Be provided with the secondary push rod device between push rod and the moving contact device, said secondary push rod device comprises the touch panel screw, and said touch panel screw one end is connected on the push rod; Resilient sleeve is connected to the moving contact device on the other end of touch panel screw, and is gapped between said moving contact device and the push rod.
2. contact switch of elevator door lock according to claim 1 is characterized in that, said push rod has the push rod chamber towards one of break back contact, and said secondary push rod device is connected in the push rod chamber.
3. contact switch of elevator door lock according to claim 1; It is characterized in that said moving contact device comprises the moving contact adapter plate, the moving contact adapter plate is provided with at least one pair of moving contact; Said moving contact adapter plate is actively socketed on the touch panel screw; Said touch panel screw is provided with the touch panel spring, and said touch panel spring props up on the moving contact adapter plate end face, makes the spacing nut that is shaped on moving contact adapter plate and the touch panel screw contact.
4. contact switch of elevator door lock according to claim 1 is characterized in that, said housing head is provided with push rod guiding cavity, and said push rod is arranged in the said push rod guiding cavity, and said push rod is provided with compression spring.
5. contact switch of elevator door lock according to claim 1 is characterized in that, the gap between said moving contact device and the push rod is not more than 10mm.
6. contact switch of elevator door lock according to claim 1; It is characterized in that; Said auxiliary contact device comprises the break back contact plate and the electrically conductive elastic plectrum of conduction; Said break back contact plate and said electrically conductive elastic plectrum are conducted through electric wire, and said break back contact is arranged on the break back contact plate, and said auxiliary contact is arranged on the electrically conductive elastic plectrum.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described contact switch of elevator door lock; It is characterized in that; Said push rod comprises the fixedly sleeve-board that push rod one end is provided with; Said adapter plate puts the translot that is provided with a ccontaining moving contact adapter plate, and the gap between said moving contact device and the push rod is the moving contact device and the fixing spacing of sleeve-board.
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 described contact switch of elevator door lock, it is characterized in that, the touching face of said moving contact and corresponding break back contact over against.
9. according to claim 1 or 2 or 3 or 4 or 5 or 6 described contact switch of elevator door lock, it is characterized in that said housing is provided with cover plate, have an opening on the side near auxiliary contact on the said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101129346A CN101786569B (en) | 2010-02-24 | 2010-02-24 | Contact switch of elevator door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101129346A CN101786569B (en) | 2010-02-24 | 2010-02-24 | Contact switch of elevator door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101786569A CN101786569A (en) | 2010-07-28 |
| CN101786569B true CN101786569B (en) | 2012-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101129346A Expired - Fee Related CN101786569B (en) | 2010-02-24 | 2010-02-24 | Contact switch of elevator door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101786569B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104583107B (en) * | 2012-10-08 | 2016-08-31 | 富士达株式会社 | Elevator is closed and is confirmed device |
| 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 |
| CN103693523A (en) * | 2013-12-20 | 2014-04-02 | 浙江大学苏州工业技术研究院 | Steel wire rope looseness and breakage alarming device |
| CN107792761B (en) * | 2016-09-02 | 2019-10-18 | 上海三菱电梯有限公司 | Elevator inlay door locking device and elevator landing door |
| CN109650232B (en) * | 2017-10-10 | 2020-06-02 | 上海三菱电梯有限公司 | Elevator layer door lock device and elevator layer door device |
| CN107887188B (en) * | 2017-12-19 | 2020-10-16 | 宁波市北仑恒业电梯配件厂（普通合伙） | Elevator door contact switch |
| CN108249244B (en) * | 2018-02-27 | 2023-06-30 | 快意电梯股份有限公司 | Triangle lock with electric switch |
| CN113086818A (en) * | 2021-03-31 | 2021-07-09 | 日立电梯（中国）有限公司 | Waterproof electric lock, sedan-chair door lock device and elevator thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0506155A3 (en) * | 1991-03-25 | 1993-05-19 | Otis Elevator Company | Safety blocking system for an elevator swinging door |
| US5454447A (en) * | 1994-04-06 | 1995-10-03 | Otis Elevator Company | Elevator hoistway door bolt lock |
| CN101117194A (en) * | 2007-09-14 | 2008-02-06 | 沈阳博林特电梯有限公司 | Elevator inlay door locking device |
| CN201325802Y (en) * | 2008-11-27 | 2009-10-14 | 慈溪市宏峰电梯配件有限公司 | Electric interlocking contact device for elevator |
| CN201390580Y (en) * | 2009-05-05 | 2010-01-27 | 广东菱王电梯有限公司 | Door lock of elevator car |
| JP2010208728A (en) * | 2009-03-09 | 2010-09-24 | Toshiba Elevator Co Ltd | Drip-proof cover for elevator door switch |
| CN201647782U (en) * | 2010-02-24 | 2010-11-24 | 宁波市北仑欣凌电梯配件厂 | Door lock contact switch |
| CN201971529U (en) * | 2011-03-18 | 2011-09-14 | 宁波市鄞州欧菱电梯配件有限公司 | Elevator door opening/closing device |
-
2010
- 2010-02-24 CN CN2010101129346A patent/CN101786569B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0506155A3 (en) * | 1991-03-25 | 1993-05-19 | Otis Elevator Company | Safety blocking system for an elevator swinging door |
| US5454447A (en) * | 1994-04-06 | 1995-10-03 | Otis Elevator Company | Elevator hoistway door bolt lock |
| CN101117194A (en) * | 2007-09-14 | 2008-02-06 | 沈阳博林特电梯有限公司 | Elevator inlay door locking device |
| CN201325802Y (en) * | 2008-11-27 | 2009-10-14 | 慈溪市宏峰电梯配件有限公司 | Electric interlocking contact device for elevator |
| JP2010208728A (en) * | 2009-03-09 | 2010-09-24 | Toshiba Elevator Co Ltd | Drip-proof cover for elevator door switch |
| CN201390580Y (en) * | 2009-05-05 | 2010-01-27 | 广东菱王电梯有限公司 | Door lock of elevator car |
| CN201647782U (en) * | 2010-02-24 | 2010-11-24 | 宁波市北仑欣凌电梯配件厂 | Door lock contact switch |
| CN201971529U (en) * | 2011-03-18 | 2011-09-14 | 宁波市鄞州欧菱电梯配件有限公司 | Elevator door opening/closing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101786569A (en) | 2010-07-28 |
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