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CN102677990A - Sliding door lock for half-height safety door - Google Patents

Sliding door lock for half-height safety door Download PDF

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Publication number
CN102677990A
CN102677990A CN2012101308701A CN201210130870A CN102677990A CN 102677990 A CN102677990 A CN 102677990A CN 2012101308701 A CN2012101308701 A CN 2012101308701A CN 201210130870 A CN201210130870 A CN 201210130870A CN 102677990 A CN102677990 A CN 102677990A
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CN
China
Prior art keywords
lock
shaft
lockplate
assembly
latch hook
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN2012101308701A
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Chinese (zh)
Other versions
CN102677990B (en
Inventor
谢永清
贺文
陈庆
李成
李传强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo CRRC Times Transducer Technology Co Ltd
Original Assignee
Zhuzhou CSR Times Electric Co Ltd
Ningbo CSR Times Transducer Technology Co Ltd
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 Zhuzhou CSR Times Electric Co Ltd, Ningbo CSR Times Transducer Technology Co Ltd filed Critical Zhuzhou CSR Times Electric Co Ltd
Priority to CN201210130870.1A priority Critical patent/CN102677990B/en
Publication of CN102677990A publication Critical patent/CN102677990A/en
Application granted granted Critical
Publication of CN102677990B publication Critical patent/CN102677990B/en
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Abstract

A sliding door lock for a half-height safety door comprises a lock hook, an installation plate assembly, a lock plate assembly, a hand unlocking assembly and an automatic unlocking assembly. The installation plate assembly comprises an installation plate, lock plate support shafts and a lock hook support shaft, wherein the lock plate support shafts and the lock hook support shaft are fixed on the installation plate; and the lock plate assembly comprises a lock plate and a lock shaft which is fixed on the lock plate, a plurality of long vertical circular holes are arranged on the lock plate, the lock plate support shafts are inserted into the plurality of long vertical circular holes, the lock plate can freely and vertically move by means of the support of the lock plate support shafts, and the lock shaft penetrate through a long square hole on the installation plate to be matched with the lock hook which is installed on a lock hook rotation shaft and can rotate around the lock hook rotation shaft. During locking, the lock shaft is placed on the lock hook to limit the lock shaft to move, and during unlocking, the lock hook rotates while the lock shaft vertically drops; and the automatic unlocking assembly is mainly composed of an electromagnet and an unlocking shaft, wherein the unlocking shaft is fixed on a sliding shaft of the electromagnet and moves with the movement of the sliding shaft of the electromagnet, and the unlocking shaft is fixed on the upper portion of the lock plate.

Description

A kind of sliding door lock that is used for half-height safety door
Technical field
The present invention relates to a kind of sliding door lock that is used for half-height safety door, it can be used for local plug-type sliding door such as subway platform, railway platform.
Background technology
Existing glide door lock hard-pressed bale is drawn together tapered end and latch hook, and the latch hook that general employing is fixed on the slip doorframe and the tapered end that moves with sliding door directly clashes in the lock body is realized the automatic blocking function.Such structure tends to cause the big cost of production of the complicated volume of lock body structure higher.Under the continuous bump of tapered end, cause the damage of latch hook easily, even directly broken, it is inaccurate to cause locking a door, even locks the situation of not calling.
Summary of the invention
Technical problem to be solved by this invention is to overcome the above-mentioned deficiency of prior art and a kind of sliding door lock that is used for half-height safety door is provided, and makes it multiple functional, simple in structure and safe.
The present invention addresses the above problem the technical scheme that is adopted: a kind of sliding door lock that is used for half-height safety door, mainly form by latch hook, installing plate assembly, lockplate assembly, manual unlocking assembly, automatic unlocking assembly; The installing plate assembly is made up of installing plate, lockplate bolster and latch hook back shaft, and lockplate bolster and latch hook back shaft are fixed on the installing plate; The lockplate assembly is made up of lockplate and lock shaft fixed thereon; Several vertical slotted holes are set on the lockplate, and the lockplate bolster gets in several vertical slotted holes, and lockplate can move freely by in the vertical direction under the support of lockplate bolster; Lock shaft is passed the oblong aperture on the installing plate; Be installed in the latch hook rotating shaft on and can match around the latch hook that the latch hook rotating shaft is rotated, when sealed, lock shaft places on the latch hook and the limited lock dead axle moves; During release, latch hook rotates and lock shaft vertically falls; Unlock component, it mainly is made up of electromagnet and latch release shaft, and latch release shaft is fixed on the electromagnet slide-bar, moves with the electromagnet slide-bar, and latch release shaft is fixed on lockplate top.
Above-mentioned automatic unlocking assembly also comprises travel switch, and it just triggers travel switch, the signal of output automatic unlocking when running into the trigger end of travel switch when trigger arm is up on the stroke of the trigger arm of lockplate.
The manual unlocking assembly also is set, and it is made up of manual unlocking plate and the manual unlocking axle of fixing on it, and a vertical slotted hole is set on the manual unlocking plate, under the support of lockplate bolster, can move freely by in the vertical direction.
Thereby in emergency circumstances can drive the lockplate assembly and move upward and realize manual unlocking through upwards promoting the manual unlocking assembly.
This sliding door lock can reliably must be realized following function: sliding door is closed automatic blocking function when putting in place, automatic unlocking and manual unlocking function.
Concrete implementation procedure is following: when sliding door was closed, the lock shaft on the sliding door body stretched in this sliding door lock and promotes latch hook and rotates, and makes it to remove the restriction to lock shaft; The lockplate assembly moves downward under gravity and the effect of travel switch reset force; Be positioned at the place ahead of latch hook to lock shaft, pin thereby latch hook can not freely rotate the lock shaft that will stretch into this device, this moment, travel switch was released; The signal of out gate locking has realized that sliding door closes the function of automatic blocking when putting in place.
During automatic unlocking, electromagnet gets electric back slide-bar and moves upward, and the lockplate assembly also moves up to upper level position thereupon, and this moment, lock shaft was positioned at the latch hook top, and latch hook can freely rotate, and lose the position-limiting action to lock shaft, so sliding door can move freely; This moment, travel switch was depressed, and out gate is the signal of locking not, has realized the automatic unlocking function.
When sliding door left fastening position, the below that latch hook is in lock shaft can not fall lock shaft, is limited in upper level position thereby will lock top plate member, and released state is held.
During manual unlocking, when the manual unlocking assembly moves upward under external force, promote the lockplate assembly and move up to upper level position, latch hook can freely rotate, and loses the position-limiting action to lock shaft, has realized the manual unlocking function; This moment, travel switch was depressed, and out gate is the signal of locking not; Microswitch is triggered simultaneously, and out gate is by the signal of manual unlocking.
Compared with prior art, of the present invention: 1. designed the latch hook of a lockplate assembly that moves up and down and a rotation, the position through between the two cooperates can realize unblocking.
2. with the position of the sliding door initial conditions as retaining mechanism, two fan sliding doors are all closed the just function of automatic blocking that puts in place to have realized reliably that and if only if.
3. this device utilizes the gravity of lockplate assembly can realize locking, need not flexible member and realizes locking, simplifies the structure, and has improved reliability.
Whole sliding door lock has with low cost, and run duration is non-maintaining, dependable performance, advantage such as noise is low.Simultaneously, its compact conformation, installing space is little, and the gap between sliding door and side box hour still can normally be moved and need not on side box column, to open slot to make way.
Description of drawings
Fig. 1 is the automatic unlocking state diagram of embodiment of the invention sliding door lock.
Fig. 2 is A-A sectional view of Fig. 1.
Fig. 3 is that the B of Fig. 2 is to view.
Fig. 4 is the I part enlarged drawing among Fig. 1.
Fig. 5 is the automatic blocking state diagram of embodiment of the invention sliding door lock.
Fig. 6 is the lateral view of Fig. 5.
Fig. 7 is the rear elevation of Fig. 5.
Fig. 8 is the manual unlocking state diagram of embodiment of the invention sliding door lock.
Fig. 9 is the lateral view of Fig. 8.
Figure 10 is the rear elevation of Fig. 8.
Figure 11 is the structural representation of embodiment of the invention installing plate assembly.
Figure 12 is C-C sectional view of Figure 11.
Figure 13 is A-A sectional view of Figure 11.
Figure 14 is the front view of embodiment of the invention lockplate assembly.
Figure 15 is the structural representation of embodiment of the invention lockplate assembly.
Figure 16 is the front view of embodiment of the invention manual unlocking assembly.
Figure 17 is the structural representation of embodiment of the invention manual unlocking assembly.
The specific embodiment
Embodiment further specifies the present invention below in conjunction with accompanying drawing.
A kind of sliding door lock that is used for half-height safety door is installed in the half-height safety door fixation side box, mainly is made up of latch hook 3, installing plate assembly 4, lockplate assembly 7, manual unlocking assembly 8, automatic unlocking assembly 6.
Like Figure 11,12, shown in 13; The installing plate assembly is made up of installing plate 41, lockplate supporting minor axis 42, lockplate supporting major axis 43 and latch hook back shaft 44; Lockplate supporting minor axis 42, lockplate supporting major axis 43 and latch hook back shaft 44 are riveted on the two side faces of installing plate 41; Respectively lockplate assembly 7 and latch hook 3 are played a supportive role, installing plate 41 middle parts also are provided with lock shaft oblong aperture 45.
Like Figure 14, shown in 15; Lockplate assembly 7 is made up of lockplate 74 and riveted joint lock shaft 71 above that; The vertical slotted hole 73 with four of a mounting hole 72 is set on lockplate 74 tops, and the lockplate of installing plate 41 supporting major axis 43, lockplate supporting minor axis 42 insert respectively in four vertical slotted holes 73 and support locking plate 74, and lockplate 74 can move freely by in the vertical direction; Lockplate 74 tops also are provided with trigger arm 75, are used to trigger travel switch 63.
Latch hook 3 is supported by latch hook back shaft 44, and can be around 44 rotations of latch hook back shaft, and latch hook 3 also is provided with lock shaft groove 31, is used to lock lock shaft 9.
Like Figure 16, shown in 17, component-assembled such as above-mentioned installing plate assembly, lockplate assembly and latch hook together, lockplate assembly 7 lock shaft 71 are passed the oblong aperture 45 on the installing plate 41; Match with latch hook 3; Just often, latch hook 3 props up lock shaft 71, realizes release and blocking function.
Automatic unlocking assembly 6 mainly is made up of electromagnet 61 and latch release shaft 62, and latch release shaft 62 is fixed on the electromagnet slide-bar 611, with 611 motions of electromagnet slide-bar.
The automatic unlocking assembly is fixed on 41 last times of installing plate; Latch release shaft 62 is passed the mounting hole 72 on the lockplate 7 and is fixed; Along with electromagnet 61 electric electromagnet slide-bar 611 moves upward, just can drive lockplate assembly 7 and move upward and remove spacing to latch hook 3, thereby realize automatic unlocking.
The automatic unlocking assembly also comprises travel switch 63, and it just triggers travel switch 63, the signal of output automatic unlocking when running into the trigger end of travel switch 63 when trigger arm 75 is up on the stroke of the trigger arm 75 of lockplate 7.
Like Figure 16, shown in 17; Manual unlocking assembly 8 is made up of manual unlocking plate 81 and riveted joint manual unlocking axle 82 above that; The slotted hole 83 of a vertical direction is set on the manual unlocking plate 81; Lockplate supporting major axis 43 inserts in the slotted hole 83, and the manual unlocking plate can move freely by in the vertical direction under lockplate supporting major axis 43 supports.
Manual unlocking plate 81 is provided with side arm 86; Below lockplate neck 76, in emergency circumstances, move upward under the normal condition through manual unlocking axle 82 or other mechanism urges manual unlocking assemblies 8; It is up that side arm 86 is run into lockplate neck 76 back drive lockplates 71; Thereby the lock shaft 71 on the drive lockplate is up, is positioned at the top of latch hook 3 and is limited to be in upper level position, thereby realize manual unlocking.
Manual unlocking assembly 8 also comprises microswitch 85; On the corresponding manual unlocking plate 81 trigger unit 84 is set; Microswitch 85 is being provided with on the manual unlocking plate 81 on the stroke of trigger unit 84; Just trigger microswitch 85, the signal of output manual unlocking when running into the trigger end of microswitch 85 when trigger unit 84 is up.
Be depicted as the automatic unlocking state like Fig. 1,2,3,4, lock shaft 71 is positioned at the top of latch hook 3 and is limited to be in upper level position, and this moment, latch hook 3 can freely rotate.Being fixed on lock shaft 9 on slip every body can stretch in this device smoothly and promote latch hook 3 and rotate.When sliding door is closed; Lock shaft 9 stretches in this device and promotes latch hook 3 with the sliding door motion and turns to position shown in Figure 2; Make it lose the restriction to lock shaft 71, lockplate assembly 7 moves to the low order position under the reset force effect of self gravitation and travel switch 63.
Like Fig. 5,6, shown in 7, lock shaft 71 is positioned at the place ahead of latch hook 3 and has stopped the rotation of latch hook 3, and at this moment, lock shaft 9 is locked because of the groove 31 that is positioned at latch hook 3, and sliding door can not move freely.Simultaneously travel switch 63 is released, and the signal of out gate locking has realized that sliding door closes automatic blocking function when putting in place.
When electromagnet 6 when electric; Electromagnet slide-bar 61 moves upward under the effect of electromagnetic force; Lockplate assembly 7 also moves up to upper level position as shown in Figure 1 thereupon, and lock shaft 71 is positioned at the top of latch hook 3 and loses the barrier effect to latch hook 3, and latch hook 3 can freely rotate.At this moment, lock shaft 9 can withdraw from this device smoothly, and sliding door just can move freely.Travel switch 63 is depressed simultaneously, and out gate is the signal of locking not, has realized the automatic unlocking function.
As shown in Figure 5, when automatic blocking, the manual unlocking plate is positioned at the below of lockplate 7 and certain clearance H is arranged, and like the gap of 2mm, lockplate assembly 7 exerts an influence to manual unlock component at the Shi Buhui that unblocks automatically.
In emergency circumstances; When the manual unlocking assembly moves upward under external force; Can promote lockplate assembly 7 and move up to upper level position shown in Figure 1, lock shaft 71 is positioned at the top of latch hook 3 and loses the barrier effect to latch hook 3, and latch hook 3 can freely rotate.At this moment, lock shaft can withdraw from this device smoothly, and sliding door just can move freely.Travel switch 63 is depressed simultaneously; Out gate is the signal of locking not; And be used to detect two microswitches 85 that whether have the manual unlocking situation and triggered by the triggering face 84 of manual unlocking plate 81, the output sliding door is seen Fig. 8,9,10 by the signal of manual unlocking.

Claims (4)

1. a sliding door lock that is used for half-height safety door is characterized in that: mainly be made up of latch hook, installing plate assembly, lockplate assembly, manual unlocking assembly, automatic unlocking assembly; The installing plate assembly is made up of installing plate, lockplate bolster and latch hook back shaft, and lockplate bolster and latch hook back shaft are fixed on the installing plate; The lockplate assembly is made up of lockplate and lock shaft fixed thereon; Several vertical slotted holes are set on the lockplate, and the lockplate bolster gets in several vertical slotted holes, and lockplate can move freely by in the vertical direction under the support of lockplate bolster; Lock shaft is passed the oblong aperture on the installing plate; Be installed in the latch hook rotating shaft on and can match around the latch hook that the latch hook rotating shaft is rotated, when sealed, lock shaft places on the latch hook and the limited lock dead axle moves; During release, latch hook rotates and lock shaft vertically falls; Unlock component, it mainly is made up of electromagnet and latch release shaft, and latch release shaft is fixed on the electromagnet slide-bar, moves with the electromagnet slide-bar, and latch release shaft is fixed on lockplate top.
2. the sliding door lock that is used for half-height safety door as claimed in claim 1; It is characterized in that: said automatic unlocking assembly also comprises travel switch; It is on the stroke of the trigger arm of lockplate; Just trigger travel switch, the signal of output automatic unlocking when running into the trigger end of travel switch when trigger arm is up.
3. according to claim 1 or claim 2 the sliding door lock that is used for half-height safety door; It is characterized in that: the manual unlocking assembly also is set; It is made up of manual unlocking plate and the manual unlocking axle of fixing on it; A vertical slotted hole is set on the manual unlocking plate, under the support of lockplate bolster, can moves freely by in the vertical direction.
4. the sliding door lock that is used for half-height safety door as claimed in claim 3; It is characterized in that: the manual unlocking assembly also comprises microswitch; On the corresponding manual unlocking plate trigger unit is set; Microswitch is being provided with on the manual unlocking plate on the stroke of trigger unit 84, just triggers microswitch, the signal of output manual unlocking when running into the trigger end of microswitch 85 when trigger unit is up.
CN201210130870.1A 2012-04-30 2012-04-30 A kind of sliding door lock for half-height safety door Active CN102677990B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210130870.1A CN102677990B (en) 2012-04-30 2012-04-30 A kind of sliding door lock for half-height safety door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210130870.1A CN102677990B (en) 2012-04-30 2012-04-30 A kind of sliding door lock for half-height safety door

Publications (2)

Publication Number Publication Date
CN102677990A true CN102677990A (en) 2012-09-19
CN102677990B CN102677990B (en) 2015-09-16

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CN201210130870.1A Active CN102677990B (en) 2012-04-30 2012-04-30 A kind of sliding door lock for half-height safety door

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103397821A (en) * 2013-07-19 2013-11-20 广州新科佳都科技有限公司 Sliding gate electronic lock of half-height automatic platform gate on basis of oscillating bars and locking plate
CN104628442A (en) * 2014-12-23 2015-05-20 天长市高新技术创业服务中心 Composite fertilizer for cucumber and application method of composite fertilizer
CN106013990A (en) * 2016-07-08 2016-10-12 南京康尼机电股份有限公司 Electric locking device for half-height platform gate

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6550824B1 (en) * 1998-03-25 2003-04-22 Dieter Ramsauer Spring-loaded catch for a sliding door of a sheet metal cupboard
CN101328776A (en) * 2007-06-22 2008-12-24 黄平 Device for automatically controlling slide door lock
CN101666187A (en) * 2008-09-05 2010-03-10 上海嘉成轨道交通安全保障系统有限公司 Door lock system for rail transit safety door
JP2010159554A (en) * 2009-01-07 2010-07-22 Miwa Lock Co Ltd Locking apparatus for door
CN201883805U (en) * 2010-11-22 2011-06-29 北京天乐泰力科技发展有限公司 Electronic mechanical lock for rail transit half-height safety door
CN102182367A (en) * 2010-01-28 2011-09-14 株洲南车时代电气股份有限公司 Locking device for sliding door

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6550824B1 (en) * 1998-03-25 2003-04-22 Dieter Ramsauer Spring-loaded catch for a sliding door of a sheet metal cupboard
CN101328776A (en) * 2007-06-22 2008-12-24 黄平 Device for automatically controlling slide door lock
CN101666187A (en) * 2008-09-05 2010-03-10 上海嘉成轨道交通安全保障系统有限公司 Door lock system for rail transit safety door
JP2010159554A (en) * 2009-01-07 2010-07-22 Miwa Lock Co Ltd Locking apparatus for door
CN102182367A (en) * 2010-01-28 2011-09-14 株洲南车时代电气股份有限公司 Locking device for sliding door
CN201883805U (en) * 2010-11-22 2011-06-29 北京天乐泰力科技发展有限公司 Electronic mechanical lock for rail transit half-height safety door

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103397821A (en) * 2013-07-19 2013-11-20 广州新科佳都科技有限公司 Sliding gate electronic lock of half-height automatic platform gate on basis of oscillating bars and locking plate
CN103397821B (en) * 2013-07-19 2016-03-30 广州新科佳都科技有限公司 A kind of half high sliding door of screen door electronic lock based on fork and jam plate
CN104628442A (en) * 2014-12-23 2015-05-20 天长市高新技术创业服务中心 Composite fertilizer for cucumber and application method of composite fertilizer
CN106013990A (en) * 2016-07-08 2016-10-12 南京康尼机电股份有限公司 Electric locking device for half-height platform gate

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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road

Patentee after: ZHUZHOU CRRC TIMES ELECTRIC CO., LTD.

Patentee after: NINGBO CRRC TIMES SENSING TECHNOLOGY CO., LTD.

Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road

Patentee before: Zhuzhou CSR Times Electric Co., Ltd.

Patentee before: Ningbo CSR Times Transducer Technique Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190724

Address after: Minglun village five 315111 villages and towns in Zhejiang city of Ningbo province Yinzhou District

Patentee after: Ningbo Zhongche era Electrical Equipment Co. Ltd.

Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road

Co-patentee before: NINGBO CRRC TIMES SENSING TECHNOLOGY CO., LTD.

Patentee before: ZHUZHOU CRRC TIMES ELECTRIC CO., LTD.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210406

Address after: No.138 Zhenyong Road, Yongjiang Industrial Park, Jiangbei District, Ningbo City, Zhejiang Province

Patentee after: NINGBO CRRC TIMES TRANSDUCER TECHNOLOGY Co.,Ltd.

Address before: 315111 Minglun village, Wuxiang Township, Yinzhou District, Ningbo City, Zhejiang Province

Patentee before: NINGBO CRRC TIMES ELECTRIC EQUIPMENT Co.,Ltd.