CN102182367B - Locking device for sliding door - Google Patents
Locking device for sliding door Download PDFInfo
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- CN102182367B CN102182367B CN 201010300902 CN201010300902A CN102182367B CN 102182367 B CN102182367 B CN 102182367B CN 201010300902 CN201010300902 CN 201010300902 CN 201010300902 A CN201010300902 A CN 201010300902A CN 102182367 B CN102182367 B CN 102182367B
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- tapered end
- fixed
- bar
- slide
- sliding door
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Abstract
The invention discloses a locking device for a sliding door, which comprises a tapered end assembly and a limiting mechanism, wherein the tapered end assembly is driven by an electromagnet sliding shaft to upwards move and falls off to a latch hook; the limiting mechanism is used for limiting the electromagnet sliding shaft in falling off; the tapered end assembly is fixed with a cross rod; the middle of the cross rod is fixed on the electromagnet sliding shaft; the side of the cross rod is positioned below a position switch and presses or leaves from a contact of the position switch along the vertical movement of the electromagnet sliding shaft; the limiting mechanism is arranged below the electromagnet sliding shaft and comprises a spring, a limiting rod with a groove for accommodating the sliding shaft and a limit connecting plate; the limiting rod passes through two spaced fixed blocks to slide; a spring is sleeved on the reducing part of the limiting rod; one end of the spring isfixed with the fixed blocks; the other end of the spring is fixed with the limiting rod; the limit connecting plate is fixed on one end of the limiting rod, which extends out of the fixed blocks; theelectromagnet sliding shaft falls into the groove of the limiting rod by the movement of the limit connecting plate; and the position switch gives out a signal to a controller for displaying unlocking information. The locking device has the advantages of higher accuracy in control, safety and reliability, simple structure and low cost.
Description
Technical field
The present invention relates to the locking device of sliding door, particularly a kind of local plug-type sliding door such as subway platform, railway platform that can be used for.
Background technology
The locking device of existing glide door comprises 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
The above-mentioned deficiency that overcomes prior art that technical problem to be solved by this invention is and a kind of locking device of sliding door is provided makes it simple in structure, and is safe.
The present invention solves the problems of the technologies described above the technical scheme that adopts:
The locking device of sliding door comprises by the electromagnet slide-bar driving upwards, self fall to the lock head component of latch hook, the position-limit mechanism that restriction electromagnet slide-bar falls; Lock head component and cross bar are fixed, and the cross bar center fixed is on the slide-bar of electromagnet, and the side of cross bar is positioned at the position switch below and pushes down or leave the contact of position switch with the slide-bar of electromagnet up and down; Electromagnet slide-bar below arranges position-limit mechanism, position-limit mechanism comprises that spring, band hold gag lever post and the spacing junction plate of the groove of slide-bar, gag lever post passes two fixed blocks at interval and slides, spring housing dwindles on the part gag lever post, spring one end and fixed block are fixed, the other end and gag lever post are fixed, spacing junction plate is fixed on gag lever post and stretches out on the end of fixed block, spacing junction plate moves and makes the slide-bar of electromagnet fall into groove on the gag lever post, and position switch provides signal to controller and shows release information.
Above-mentioned lock head component comprises tapered end, connecting rod, about tapered end has two, be vertically connected on respectively on the cross bar, and each tapered end all places in the stop collar, so relatively steadily.
Hand-operating unlocking mechanism also is set, and described hand-operating unlocking mechanism comprises stay cord, connecting rod, and stay cord one end is fixed on the connecting rod, and the other end links to each other with the operating side of hand-operating unlocking mechanism, and connecting rod two ends are fixed with tapered end respectively.
Above-mentioned tapered end top arranges microswitch, and the up pulling tapered end of stay cord to tapered end leaves latch hook and contact that microswitch is run in the tapered end top, and microswitch provides signal to controller and shows manual unlocking information.
The locking device of above-mentioned sliding door is installed in the machine beam, when mobile sliding door promotes spacing junction plate to position-limit mechanism and removes restriction to the electromagnet slide-bar, be electromagnet slide-bar when falling into the groove of gag lever post, two tapered ends just fall to locking in the latch hook on the sliding door by self gravitation pins two fan sliding doors.When electromagnet gets when electric, the electromagnet slide-bar just can drive tapered end easy on and off motion, slide-bar is sucted and leaves the groove of gag lever post, and slide-bar drives lock head component and leaves latch hook simultaneously, and gag lever post resets under the effect of spring force and makes the gag lever post body of rod withstand slide-bar, and this moment is removable door just.
When fortuitous event occurring and need manual unlocking, handle the stay cord of hand-operating unlocking mechanism, the up pulling tapered end of stay cord leaves latch hook and moving door can be moved freely to leaving tapered end, realizes manually unblanking.
Compared with prior art, the invention has the advantages that:
Owing to being provided with position-limit mechanism and being moved to trigger and control by sliding door, therefore control is more accurate.
Also be provided with hand-operating unlocking mechanism simultaneously, can having a power failure or electronicly carry out manual unlocking when malfunctioning, therefore, locking mechanism be more safe and reliable.
Entire mechanism is simple in structure, and cost is low.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the graph of a relation of embodiment of the invention cross bar and slide-bar position switch.
Fig. 4 is the B-B sectional view of Fig. 3.
Fig. 5 be embodiment of the invention position-limit mechanism to locking mechanism unlock the time position-limit mechanism and the graph of a relation of slide-bar.
The graph of a relation of position-limit mechanism and slide-bar when Fig. 6 is the locking of embodiment of the invention position-limit mechanism.
Fig. 7 is the structural representation of another embodiment position-limit mechanism of the embodiment of the invention.
The specific embodiment
Be further described below in conjunction with the present invention of accompanying drawing embodiment.
As shown in Figure 1 and Figure 2, the locking device of sliding door comprise with the position-limit mechanism 1 that falls of the electromagnet 3 that moves up of electric iron core, slide-bar 4, lock head component 2, restriction electromagnet slide-bar 4.
The iron core lower end of above-mentioned electromagnet 3 is slide-bar 4 fixedly, also is with spring 31 on the iron core, and slide-bar 4 can better fall and pin like this.
Above-mentioned lock head component 2 comprises tapered end 25, connecting rod 24, about tapered end 25 has two, be vertically connected on respectively on the connecting rod 24, and each tapered end 25 all places in the stop collar 26.
Two tapered ends 25 are also fixed with cross bar 23 2 ends respectively about above-mentioned, be fixed on the slide-bar 4 of electromagnet by axle 48 in the middle of the cross bar 23, cross bar 23 2 lateral plates 231 are fixed on the cross bar 23 by screw 29 and are positioned at position switch 28 belows and push down or leave the contact 281 of position switch 28 up and down with the slide-bar of electromagnet, see Fig. 3, Fig. 4.
Above-mentioned two lateral plates 231 also can be integral with cross bar 23.
Two tapered end 25 2 ends fixing striking plate 21 respectively also about above-mentioned can be run into the contact of microswitch 27 and connect microswitch 27 when striking plate 21 is up with tapered end 25, microswitch 27 provides a signal and gives controller, shows manual unlocking information, sees Fig. 5, Fig. 6.
Above-mentioned tapered end 25 up places also arrange limited block 22, and when striking plate 21 goes upward to when depressing microswitch 27, tapered end 25 (cross bar 24 2 ends) has also been run into limited block 22 and spacing, therefore can not continue up again and damage microswitch 27.
Above-mentioned position-limit mechanism 1 is arranged on electromagnet slide-bar 4 belows, it comprises spring 13, band holds gag lever post 12 and the spacing junction plate 17 of the groove 121 of slide-bar, gag lever post 12 passes two fixed blocks 15,16 and slide, spring 13 is enclosed within dwindling on the part of gag lever post 12, spring 13 1 ends and fixed block 16 are fixing, the other end and gag lever post 12 are fixing or spacing by gag lever post, spacing junction plate 17 is fixed on gag lever post 12 and stretches out on the end of fixed block 15, spacing junction plate 17 moves and gag lever post 12 compression springs 13 are moved and makes slide-bar 4 unsettled, slide-bar 4 is together with fallen by the self gravitation effect with its fixedly connected connecting rod 23 with the tapered end that is connected with connecting rod 23 simultaneously, tapered end 25 falls into latch hook and pins door, and slide-bar 4 falls into the groove 121 on the gag lever post 12, at this moment, connecting rod 23 1 sides 231 are left position switch 28 discharges the contact of position switch 28, sees Fig. 5, Fig. 6.
As shown in Figure 7, cause slide-bar 4 can not fall into groove 121 on the gag lever post 12 smoothly in order to prevent gag lever post 12 from rotating arbitrarily, be provided with an anti-bull stick 18, anti-bull stick 18 passes fixed block 15 and an end is fixed on the spacing junction plate 17, and this moment, gag lever post 12 just can not rotate arbitrarily.Also available other prevent the rotation of gag lever post 12.
Be mobile gag lever post 12 better, slide-bar 4 lower ends are by axle 48 fixed blocks 47, and pulley rubs little when gag lever post 12 moves like this.
When sliding door is closed, the spacing junction plate 17 of slip every body promotion position-limit mechanism makes it to remove the restriction to the electromagnet slide-bar, electromagnet slide-bar and two tapered ends fall under the effect of gravity in the latch hook on the sliding door automatically, the position switch that whether locks for detection of door simultaneously is released, the signal of out gate locking has realized that sliding door closes automatic blocking function when putting in place.
During automatic unlocking, electromagnet gets electric, and the electromagnet slide-bar drives two tapered ends by cross bar and moves upward and make it to withdraw from latch hook on the sliding door under the effect of electromagnetic force.But sliding door freely-movable this moment, the position switch that whether locks for detection of door simultaneously is depressed, and the signal that out gate is non-latching has been realized the automatic unlocking function.When sliding door left fastening position, position-limit mechanism moved under the effect of its back-moving spring, and the groove of gag lever post was staggered the electromagnet slide-bar and the electromagnet slide-bar is limited on original position.
Also be provided with hand-operating unlocking mechanism, described hand-operating unlocking mechanism comprises stay cord 53, connecting rod 24, stay cord 53 is fixed on the fixed mount 54, stay cord inner core one end 51 passes on the groove 241 in the middle of the connecting rod 24 and is limited on the connecting rod 24, the stay cord inner core other end links to each other with the operating side (not drawing among the figure) of hand-operating unlocking mechanism, and connecting rod 24 2 ends are fixing with two tapered ends 25 respectively.
Two tapered ends 25 are preferably elongated hole 251 with cross bar 23 2 end junctions about above-mentioned, see Fig. 5, Fig. 6, cross bar 23 is connected by screw rod 252 in the elongated hole 251 of tapered end 25, and cross bar 23 can be mobile with tapered end like this, and 25 of cross bar 23 and tapered ends can also relatively move.Such design mainly is in order to distinguish the different of manual unlocking signal and electromagnetism unlocking signal.When electromagnet gets when electric, slide-bar is subjected to magnetic attraction and when up, and it is up and finally run into the contact 281 of position switch 28 and provide electronic or automatic unlocking signal to controller shows release information by position switch to drive cross bar.When using hand-operating unlocking mechanism, it is up that stay cord 52 drives tapered end with the connecting rod pull-up, still can be up during to this position, tapered end go upward to screw rod 252 withstand elongated hole 251 bottom and can not be up again, the striking plate 21 of tapered end upper end was also run into the contact 271 of microswitch 27 and was provided the signal of manual unlocking this moment.
Hand-operating unlocking mechanism can be multiple, and it is up as long as that it can make stay cord pulling inner rope in the stay cord rise to drive connecting rod by the operating side, and this is that the technician of the industry can understand, so no longer hand-operating unlocking mechanism is explained in detail at this.
Other hand-operating unlocking mechanism also can be set, operate release door handle on the sliding door as the rail side passenger, can two tapered ends be released latch hook by the release mechanism that is installed on the slip doorframe, sliding door just can freely-movable, triggers for detection of the microswitch of manual unlocking simultaneously and provides the information of manual unlocking.
Claims (8)
1. the locking device of sliding door is characterized in that: comprise by the electromagnet slide-bar driving upwards, self fall to the lock head component of latch hook, the position-limit mechanism that restriction electromagnet slide-bar falls; Lock head component and cross bar are fixed, and the cross bar center fixed is on the slide-bar of electromagnet, and the side of cross bar is positioned at the position switch below and pushes down or leave the contact of position switch with the slide-bar of electromagnet up and down; Electromagnet slide-bar below arranges position-limit mechanism, position-limit mechanism comprises that spring, band hold gag lever post and the spacing junction plate of the groove of slide-bar, gag lever post passes two fixed blocks at interval and slides, spring housing dwindles on the part gag lever post, spring one end and fixed block are fixed, the other end and gag lever post are fixed, spacing junction plate is fixed on gag lever post and stretches out on the end of fixed block, spacing junction plate moves and makes the slide-bar of electromagnet fall into groove on the gag lever post, and position switch provides signal to controller and shows release information.
2. the locking device of sliding door as claimed in claim 1, it is characterized in that: described lock head component comprises tapered end, connecting rod, about tapered end has two, be vertically connected on respectively on the cross bar, each tapered end all places in the stop collar.
3. the locking device of sliding door as claimed in claim 1 or 2, it is characterized in that: hand-operating unlocking mechanism also is set, described hand-operating unlocking mechanism comprises stay cord, connecting rod, stay cord one end is fixed on the connecting rod, the other end links to each other with the operating side of hand-operating unlocking mechanism, and connecting rod two ends are fixed with tapered end respectively.
4. the locking device of sliding door as claimed in claim 1 or 2, it is characterized in that: described tapered end and cross bar two end junctions are elongated hole, cross bar is connected in the elongated hole of tapered end by screw rod, the tapered end top arranges microswitch, the up pulling tapered end of stay cord to tapered end leaves latch hook and contact that microswitch is run in tapered end top, and microswitch provides signal to controller and shows manual unlocking information.
5. the locking device of sliding door as claimed in claim 3, it is characterized in that: described tapered end and cross bar two end junctions are elongated hole, cross bar is connected in the elongated hole of tapered end by screw rod, the tapered end top arranges microswitch, the up pulling tapered end of stay cord to tapered end leaves latch hook and contact that microswitch is run in tapered end top, and microswitch provides signal to controller and shows manual unlocking information.
6. the locking device of sliding door as claimed in claim 1 or 2, it is characterized in that: the up place of described tapered end also arranges limited block.
7. the locking device of sliding door as claimed in claim 1 or 2, it is characterized in that: described slide-bar lower end is by the axle fixed block.
8. the locking device of sliding door as claimed in claim 1 or 2 is characterized in that: an anti-bull stick is set, and anti-bull stick passes fixed block and an end is fixed on the spacing junction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010300902 CN102182367B (en) | 2010-01-28 | 2010-01-28 | Locking device for sliding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010300902 CN102182367B (en) | 2010-01-28 | 2010-01-28 | Locking device for sliding door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102182367A CN102182367A (en) | 2011-09-14 |
| CN102182367B true CN102182367B (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010300902 Active CN102182367B (en) | 2010-01-28 | 2010-01-28 | Locking device for sliding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102182367B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677990B (en) * | 2012-04-30 | 2015-09-16 | 株洲南车时代电气股份有限公司 | A kind of sliding door lock for half-height safety door |
| CN108086818B (en) * | 2016-11-22 | 2023-02-10 | 南京启越机电设备有限公司 | Electric control manual locking mechanism of sliding plug door and sliding plug door applying same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982122Y (en) * | 2006-12-14 | 2007-11-28 | 中国船舶重工集团公司第七一三研究所 | Fork-lever type door lock of horizontally sliding door |
| CN201068684Y (en) * | 2007-06-14 | 2008-06-04 | 黄平 | Automatic control slide door lock device |
| CN101328776A (en) * | 2007-06-22 | 2008-12-24 | 黄平 | Device for automatically controlling slide door lock |
| CN101535584A (en) * | 2006-11-10 | 2009-09-16 | 纳博特斯克株式会社 | Opening and closing apparatus with lock |
| CN201318076Y (en) * | 2008-12-18 | 2009-09-30 | 中国船舶重工集团公司第七一三研究所 | Locking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4144425B2 (en) * | 2003-04-30 | 2008-09-03 | マックス株式会社 | Locking device |
-
2010
- 2010-01-28 CN CN 201010300902 patent/CN102182367B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101535584A (en) * | 2006-11-10 | 2009-09-16 | 纳博特斯克株式会社 | Opening and closing apparatus with lock |
| CN200982122Y (en) * | 2006-12-14 | 2007-11-28 | 中国船舶重工集团公司第七一三研究所 | Fork-lever type door lock of horizontally sliding door |
| CN201068684Y (en) * | 2007-06-14 | 2008-06-04 | 黄平 | Automatic control slide door lock device |
| CN101328776A (en) * | 2007-06-22 | 2008-12-24 | 黄平 | Device for automatically controlling slide door lock |
| CN201318076Y (en) * | 2008-12-18 | 2009-09-30 | 中国船舶重工集团公司第七一三研究所 | Locking device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-332252A 2004.11.25 |
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| Publication number | Publication date |
|---|---|
| CN102182367A (en) | 2011-09-14 |
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| C06 | Publication | ||
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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: 412001, Hunan, Zhuzhou province Peak District times Road Patentee before: Zhuzhou CSR Times Electric Co., Ltd. Patentee before: Ningbo CSR Times Transducer Technique Co., Ltd. |
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| 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. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210407 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. |