CN2739320Y - Automatic door locking device - Google Patents

Automatic door locking device Download PDF

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Publication number
CN2739320Y
CN2739320Y CNU200420094602XU CN200420094602U CN2739320Y CN 2739320 Y CN2739320 Y CN 2739320Y CN U200420094602X U CNU200420094602X U CN U200420094602XU CN 200420094602 U CN200420094602 U CN 200420094602U CN 2739320 Y CN2739320 Y CN 2739320Y
Authority
CN
China
Prior art keywords
automatic door
nut
locking
door
release lever
Prior art date
Application number
CNU200420094602XU
Other languages
Chinese (zh)
Inventor
朱小明
Original Assignee
方大集团股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 方大集团股份有限公司 filed Critical 方大集团股份有限公司
Priority to CNU200420094602XU priority Critical patent/CN2739320Y/en
Application granted granted Critical
Publication of CN2739320Y publication Critical patent/CN2739320Y/en

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Abstract

The utility model discloses an automatic door locking device which is applied to the shielding door of the subway. The utility model comprises a screw rod (1) which is arranged on a door beam (2) and is driven by a motor to rotate, a screw nut (3) which moves on the screw rod (1), a hanging device (12) which is driven by a screw nut (3) to move and connects and drives an automatic door (8), a guide positioning device which is arranged on the door beam (2) and the screw nut and provides the guiding and positioning for the moving of the screw nut (3), and an unlocking device which drives the screw nut (3) to unlock. When the automatic door is closed, the automatic door locking device causes the automatic door to be automatically locked. When in the emergency situation, the automatic door is opened by the hand, which is convenient for escaping under the emergency situation.

Description

Automatic door locking device
Technical field
The utility model relates to the automatic door that slides and open and close, particularly a kind of locking device of automatic door.
Background technology
The automatic door (as subway shield door) that existing glide opens and closes all is to drive its keying by motor usually.Yet these automatic doors all do not have locking device usually, only depend on circuit (or controller) to control the unlatching of motor and stop to locate automatic door.Yet the automatic door of this structure needs inductor accurately to respond to the position of automatic door, makes circuit to control motor accurately and locatees automatic door, this infrastructure cost height; And (for example power failure that causes of fire, artificial destruction etc.) can't come CD-ROM drive motor by electric power urgent the time, just can't open or close automatic door, and it is inconvenient to use.
The utility model content
The technical problems to be solved in the utility model is, a kind of automatic door locking device of can automatic locking when automatic door is closed and can manually opened automatic door is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of automatic door locking device, comprise and be installed in screw mandrel on the machine beam and drive rotation by motor, the nut that on described screw mandrel, moves, drive the suspension arrangement that moves, connect the drive sliding door by described nut, be arranged on described door machine beam and the described nut, guide locating device provided for described nut mobile guide location, and the tripper that drives described nut release.
Above-mentioned automatic door locking described screw mandrel of device and described nut (3) are by screw-threaded engagement transmission or ball transmission.
The described guide locating device provided guide rail that is installed on the described door machine beam that comprises of above-mentioned automatic door locking device is fixed on limited roller on the described nut periphery, that slide in described guide rail, and the lock slots that is located at described guide rail end.
The described tripper of above-mentioned automatic door locking device comprises the locking plate of separating that is fixed on described nut periphery, and be installed on the described door machine beam, the described locking plate of separating of rotatable promotion drives described nut and breaks away from the release lever that described lock slots enters described guide rail.Described tripper comprises that also the described release lever of pulling gets back to the return spring of lock-out state position.
The upper end of the described sliding door of above-mentioned automatic door locking device is provided with can eject the latch that supports described release lever.
Also be provided with the yielding rubber of the impact sound when reducing described release lever return on the described door of the above-mentioned automatic door locking device machine beam.Described collision place of separating locking plate and described release lever is provided with yielding rubber.Described separating is equiped with yielding rubber in the locked groove.
Be equiped with torsionspring between above-mentioned automatic door locking described nut of device and the described suspension arrangement.
Compared with prior art, automatic door of the present utility model locking device moves on screw mandrel by nut and drives automatic door and open and close, and comes setscrew nut by guide locating device provided, thereby makes automatic door when closing, can automatic locking; And under emergency, can promote the nut position that goes out of lock by tripper, thus can manually opened automatic door, be convenient under the state of emergency, escape.
Description of drawings
Below in conjunction with drawings and Examples the utility model automatic door locking device is described further, in the accompanying drawing:
Fig. 1 is the schematic diagram of the utility model automatic door locking device first embodiment.
Fig. 2 is the cross-sectional schematic of the utility model automatic door locking device first embodiment lock-out state.
Fig. 3 is the cross-sectional schematic of the utility model automatic door locking device first embodiment released state.
Fig. 4 is the schematic diagram of the utility model automatic door locking device second embodiment.
The specific embodiment
Below in conjunction with accompanying drawing the utility model automatic door locking device is described in further detail.Fig. 1 is first embodiment of the utility model automatic door locking device, be applied on the subway shield door, described subway shield door is that two fan subtends open and close the left and right automatic door 8 of (shown in the arrow of Fig. 1), thereby described automatic door locking device correspondence be left and right automatic door locking device, and each automatic door is locked device and all comprised screw mandrel 1, nut 3, suspension arrangement 12, guide locating device provided and tripper.One end of described screw mandrel 1 is connected with motor (figure does not show), the other end is fixedly mounted on the door machine beam 2 of subway shield door by support member 5, and drives rotation by motor.Described nut 3 is installed on the described screw mandrel 1.When described screw mandrel 1 rotates, described nut 3 can with the threaded engagement on the described screw mandrel 1, move thereon; Certainly, described nut 3 can also carry out engaged transmission (for example ball transmission) by other the kind of drive and described screw mandrel 1.Described suspension arrangement 12 comprises first connecting portion and second connecting portion.Described first connecting portion is installed on the described screw mandrel 1, and is promoted to move horizontally by described nut 3; Described second connecting portion is then fixedlyed connected with described automatic door 8 by modes such as screw, bolt, welding or rivets, thereby when first connecting portion was mobile by described nut 3 drives, second connecting portion drove automatic door 8 and moves horizontally keying.
Describedly guide locating device providedly make described nut 3 steadily to move, and make that automatic door 8 can automatic locking when closing, comprise with the described door of being installed in of described screw mandrel 1 balance machine beam 2 on guide rail 14, at guide rail 14 ends the lock slots 16 angled with it is set downwards, and is fixed on the limited roller 15 on described nut 3 peripheries.When screw mandrel 1 rotation drive nut 3 moves, described limited roller 15 can slide in described guide rail 14, when arriving the position of described lock slots 16, because nut 3 has rotating moment under the effect of screw mandrel 1, thereby limited roller 15 falls into described lock slots 16 under driving, thereby when screw mandrel 1 does not have opposing torque, locking nut 3, it can't be moved backward, guaranteed the locking state of automatic door 8, as shown in Figure 2.When the needs electric open-door, only need on described screw mandrel 1, apply an opposing torque, make its reverse rotation, thereby drive described nut 3 reverse rotations, make limited roller 15 break away from described lock slots 16 and enter described guide rail 14, in described guide rail 14, move again, open thereby drive described automatic door 8 by described suspension arrangement 12.In order further to keep described limited roller 15 to be locked in the described stopper slot, open the door to prevent accident, between described nut 3 and described suspension arrangement 12, be equiped with torsionspring (figure does not show).In addition, on described limited roller 15 or described lock slots 16, be provided with yielding rubber 17, thereby can avoid described limited roller 15 and the impact of described lock slots 16 and the impact sound that collision causes.
Described tripper can be installed in a side of automatic door 8, thereby makes the people of opposite side arbitrarily to operate, and guarantees safety.Described tripper comprise be fixed on described nut 3 peripheries separate locking plate 4, and be installed on the described door machine beam 2, the described locking plate 4 of separating of rotatable promotion drives described nut 3 and breaks away from the release lever 9 that described lock slots 16 enters described guide rail 14.In the present embodiment, described release lever 9 middle parts are hinged on the machine beam 2, comprise promoting the described latching segment of separating of separating locking plate 4, and the handle portion of operating whole release lever 9.When the manually opened automatic door 8 of needs, pull described handle portion, make whole release lever 9 rotate, thereby drive the described latching segment bump of separating and promote the described locking plate 4 of separating, thereby drive described nut 3 rotations, drive the described lock slots 16 of described limited roller 15 disengagings again and enter described guide rail 14 (as shown in Figure 3), level pulling automatic door 8 can be opened described automatic door 8 then.Thereby under the state of emergency, can manually opened automatic door 8, be convenient to personnel's escape.In order to make described release lever 9 can get back to the lock-out state position of being convenient to operate, be provided with an end be fixed on describedly separate on the latching segment, the other end is fixed on the return spring 11 on the machine beam 2.In addition, in order to reduce impact noise, on described door machine beam 2, be provided with yielding rubber 19, thereby when described handle portion return, contact the minimizing noise with described yielding rubber; Can also separate latching segment and described collision place of separating locking plate 4 is provided with yielding rubber described, when making its bump, reduce impact noise.In addition, in order to make when the manual unlocking, can guarantee that described limited roller 15 can remain in the described guide rail 14, also be provided with the latch 10 that can eject the described release lever 9 of support in the upper end of described automatic door 8, make described release lever 9 be fixed on unlocked position, guarantee that limited roller 15 remains in the described guide rail 14, be convenient to the unlatching of automatic door 8.
As shown in Figure 4, be second embodiment of the present utility model, automatic door locking device is applied to the automatic door 8 of single fan, and its structure and first embodiment are basic identical, and its difference is that screw mandrel can directly be fixed on the machine beam 2; Also can as first embodiment, be fixed on the machine beam by securing supports.

Claims (10)

1, a kind of automatic door locking device, it is characterized in that: comprise being installed in screw mandrel (1) on the machine beam (2) and drive rotation by motor, go up the nut (3) that moves at described screw mandrel (1), drive the suspension arrangement (12) that moves, connect drive automatic door (8) by described nut (3), be arranged on described door machine beam (2) and the described nut (3), for described nut (3) mobile guide locate guide locating device provided, and the tripper that drives described nut (3) release.
2, automatic door locking device according to claim 1 is characterized in that described screw mandrel (1) passes through screw-threaded engagement transmission or ball transmission with described nut (3).
3, automatic door lock motion device according to claim 2, it is characterized in that, the described guide locating device provided guide rail (14) that is installed on the described door machine beam (2) that comprises, be fixed on limited roller (15) on described nut (3) periphery, that in described guide rail (14), slide, and be located at the terminal lock slots (16) of described guide rail (14).
4, automatic door locking device according to claim 3, it is characterized in that, described tripper comprise be fixed on described nut (3) periphery separate locking plate (4), and be installed on the described door machine beam (2), the described locking plate (4) of separating of rotatable promotion drives described nut (3) and breaks away from the release lever (9) that described lock slots (16) enters described guide rail (14).
5, automatic door according to claim 4 locking device is characterized in that, described tripper comprises that also the described release lever of pulling (9) gets back to the return spring (11) of lock-out state position.
6, automatic door locking device according to claim 5 is characterized in that, the upper end of described sliding door is provided with can eject the latch (10) that supports described release lever (9).
7, according to claim 4,5 or 6 described automatic door locking devices, it is characterized in that, also be provided with the yielding rubber (19) of the impact sound when reducing described release lever (9) return on the described door machine beam (2).
8, automatic door locking device according to claim 7 is characterized in that described collision place of separating locking plate (4) and described release lever (9) is provided with yielding rubber.
9, automatic door locking device according to claim 3 is characterized in that described separating is equiped with yielding rubber (17) in the locked groove.
10, automatic door locking device according to claim 3 is characterized in that, is equiped with torsionspring between described nut (3) and the described suspension arrangement (12).
CNU200420094602XU 2004-10-29 2004-10-29 Automatic door locking device CN2739320Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200420094602XU CN2739320Y (en) 2004-10-29 2004-10-29 Automatic door locking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200420094602XU CN2739320Y (en) 2004-10-29 2004-10-29 Automatic door locking device

Publications (1)

Publication Number Publication Date
CN2739320Y true CN2739320Y (en) 2005-11-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU200420094602XU CN2739320Y (en) 2004-10-29 2004-10-29 Automatic door locking device

Country Status (1)

Country Link
CN (1) CN2739320Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812958A (en) * 2010-05-05 2010-08-25 南京熊猫机电仪技术有限公司 Feed screw nut-driven transmission device of screen door for subways
CN103696640A (en) * 2013-12-23 2014-04-02 南京康尼机电股份有限公司 Latch hook automatic locking mechanism for railway vehicle sliding door
CN104863436A (en) * 2015-05-22 2015-08-26 南京康尼机电股份有限公司 Door lock mechanism for urban rail vehicle door system
CN107231881A (en) * 2017-06-23 2017-10-10 宁波大叶园林设备股份有限公司 Door-plate is sliped off to left and right guide rail and with the hay mower of side Lysimachia sikokiana lid
CN107339045A (en) * 2017-06-16 2017-11-10 宁波中车时代传感技术有限公司 A kind of passive termination locking device for track vehicle door system
CN109138661A (en) * 2018-03-30 2019-01-04 中国船舶重工集团公司第七�三研究所 Locking device, single open-door transmission system, double door conveyer system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812958A (en) * 2010-05-05 2010-08-25 南京熊猫机电仪技术有限公司 Feed screw nut-driven transmission device of screen door for subways
CN103696640A (en) * 2013-12-23 2014-04-02 南京康尼机电股份有限公司 Latch hook automatic locking mechanism for railway vehicle sliding door
CN103696640B (en) * 2013-12-23 2015-11-18 南京康尼机电股份有限公司 A kind of latch hook automatic locking mechanism for rail vehicle sliding door
CN104863436A (en) * 2015-05-22 2015-08-26 南京康尼机电股份有限公司 Door lock mechanism for urban rail vehicle door system
CN104863436B (en) * 2015-05-22 2017-01-25 南京康尼机电股份有限公司 Door lock mechanism for urban rail vehicle door system
CN107339045A (en) * 2017-06-16 2017-11-10 宁波中车时代传感技术有限公司 A kind of passive termination locking device for track vehicle door system
CN107339045B (en) * 2017-06-16 2019-09-20 宁波中车时代电气设备有限公司 A kind of passive termination locking device for track vehicle door system
CN107231881A (en) * 2017-06-23 2017-10-10 宁波大叶园林设备股份有限公司 Door-plate is sliped off to left and right guide rail and with the hay mower of side Lysimachia sikokiana lid
CN109138661A (en) * 2018-03-30 2019-01-04 中国船舶重工集团公司第七�三研究所 Locking device, single open-door transmission system, double door conveyer system

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20101119

Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili, Longjing Fangda

Patentee after: Shenzhen Fangda Automation System Co., Ltd.

Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town, Longjing Fangda industrial city

Patentee before: Fangda Group Co., Ltd.

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 518055 FANGDA INDUSTRY CITY, LONGJING, XILI TOWN, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518055 FANGDACHENG, LONGJING, XILI, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE

ASS Succession or assignment of patent right

Owner name: SHENZHEN FANGDA AUTOMATION SYSTEM CO., LTD.

Free format text: FORMER OWNER: FANGDA GROUP CO., LTD.

Effective date: 20101119

C41 Transfer of patent application or patent right or utility model
CX01 Expiry of patent term

Expiration termination date: 20141029

Granted publication date: 20051109

C17 Cessation of patent right