CN103291143A - Sliding full-height safety door lock - Google Patents
Sliding full-height safety door lock Download PDFInfo
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- CN103291143A CN103291143A CN2013102319799A CN201310231979A CN103291143A CN 103291143 A CN103291143 A CN 103291143A CN 2013102319799 A CN2013102319799 A CN 2013102319799A CN 201310231979 A CN201310231979 A CN 201310231979A CN 103291143 A CN103291143 A CN 103291143A
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- push rod
- moving plate
- tongue
- axle
- bumped
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Abstract
The invention relates to the field of safety door locks, in particular to a sliding full-height safety door lock. The sliding full-height safety door lock is characterized by comprising a right side mechanism and a left side mechanism, wherein the right side mechanism comprises a right touching bolt, a right ejector rod and a right movable piece, and the left side mechanism comprises a left touching bolt, a left ejector rod and a left movable piece. A manual unlocking part is installed between the left side mechanism and the right side mechanism, an electromagnet is located at the top of the manual unlocking part, and an ejector rod is located at the bottom of the manual unlocking part. The right touching bolt is hung on a first shaft which is provided with a torsional spring, thereby having clockwise rotation kinetic potential. The left touching bolt is hung on a second shaft which is provided with a torsional spring, thereby having anti-clockwise rotation kinetic potential. The right touching bolt and the left touching bolt are respectively in a freely-opening state under the action of the torsional springs. Compared with the prior art, the sliding full-height safety door lock has the advantages of being capable of locking a sliding type safety door at a station, and being unlocked under the automatic control of a station control system or through a key or through a manual unlocking device on the station side.
Description
Technical field
The present invention relates to safety door lockset field, be specifically related to a kind of slip overall height safety door lockset.
Background technology
The overall height safety door of push-pull configuration form sliding door type is the passage that the passenger passes in and out train.When train enter the station come to a complete stop after, safety door is opened and is allowed the passenger pass in and out; After treating that safety door is closed and locked, train leaves platform.
At present such lockset often adopts direct insertion structure, and namely the electromagnet bearing pin directly inserts in groove on the fan that slides, the hole and blocks the fan door body that slides, and finishes the locking of slip door leaf; During unlatching, pull-up electromagnet bearing pin the groove of fanning from sliding, the pin-and-hole is finished the unlatching of the fan that slides.Be under the normal situation at the fan that slides, such lockset can be realized the functional requirement of electronic release; But when the lower slider door leaf suffered that artificial pulling produces displacement in off position, the groove on the slip door leaf, hole can produce frictional constraint to the bearing pin of electromagnet, thereby influence the realization of open function.
Summary of the invention
The purpose of this invention is to provide a kind of slip overall height safety door lockset, can realize the locking function to the object of relative sliding motion, and can satisfy the automatic control function of lockset.
For achieving the above object, the present invention adopts following technical scheme to realize:
A kind of slip overall height safety door lockset, comprise right side mechanism and left side mechanism, the right side lock ditch 4 that right side mechanism slides on the door leaf on the right side triggers lockings, and the left side lock ditch 8 that left side mechanism keeps left on the side slip door leaf triggers lockings, and wherein right side mechanism comprises that the right side bumps tongue 1, right push rod 2 and right moving plate 3; Left side mechanism comprises that a left side bumps tongue 5, left push rod 6 and left moving plate 7; Be provided with manual unlocking spare 10 between left side mechanism and the right side mechanism, electromagnet 9 is positioned at the top side of manual unlocking spare 10, and push rod 11 is positioned at the bottom side of manual unlocking spare 10;
The described right side is bumped tongue 1 and is hung on the axle 1, and axle 1 is provided with torsion spring, makes the right side bump tongue 1 and has the potential energy of clockwise rotating; A described left side is bumped tongue 5 and is hung on the axle 2 13, and axle 2 13 is provided with torsion spring, makes a left side bump tongue 5 and has the potential energy of rotating counterclockwise, and the right side is bumped tongue 1 and bumped tongue 5 with a left side and become free opening respectively under the effect of torsion spring power.
Described right push rod 2 hangs on the axle 3 14, and axle 3 14 is provided with torsion spring, makes right push rod 2 have the potential energy of clockwise rotating, and an end of right push rod 2 is provided with mortar nest 1, and mortar nest 21 ends of right push rod 2 are provided with sharp protruding end 1; Described left push rod 6 hangs on the axle 4 15, and axle 4 15 is provided with torsion spring, makes left push rod 6 have the potential energy of clockwise rotating, and an end of left push rod 6 is provided with mortar nest 2 62, and mortar nest 21 ends of left push rod 6 are provided with sharp protruding end 2 63;
Described right moving plate 3 is provided with extension spring, make right moving plate 3 relative axles 5 16 have the potential energy of clockwise rotating, the end that axle 5 16 is positioned at right moving plate 3, the other end of right moving plate 3 are visited the below of the right wing plate 41 to the manual unlocking spare 10, and the below, stage casing of right moving plate 3 is provided with spacing prominent 1; Described left moving plate 7 is provided with extension spring, make left moving plate 7 relative axles 6 17 have the potential energy of clockwise rotating, the end that axle 6 17 is positioned at left moving plate 7, the other end of left moving plate 7 are visited the below of the left wing plate 42 to the manual unlocking spare 10, and the below, stage casing of left moving plate 7 is provided with spacing prominent 2 71;
During opening, manual unlocking spare 10 is up, the right wing plate 41 on the manual unlocking spare 10 and left wing plate 42 drive right moving plate 3 respectively and left moving plate 7 up; The flange segmental arc 1 that tongue is bumped on the right side embeds in the mortar nest 1 of right push rod, and the sharp protruding end 1 on the right push rod 2 withstands on spacing prominent 1 the right side on the right moving plate 3, makes right moving plate 3 keep static; The flange segmental arc 2 19 that tongue is bumped on a left side embeds in the mortar nest 2 62 of left push rod, and the sharp protruding end 2 63 on the left push rod 2 withstands on spacing prominent 2 71 the left side on the left moving plate 3, makes left moving plate 3 keep static;
During locking states, the tip of the tongue 1 that tongue 1 is bumped on the right side is clockwise rotated to the locking position by the promotion of right lock ditch 4, the flange segmental arc 1 of tongue and mortar nest one 22 disengagings of right push rod are bumped in the right side, right push rod 2 loses spacing rotating counterclockwise, the spacing segmental arc of flange of bumping tongue until the right side enters in the mortar nest 1 of right push rod, and the sharp protruding end 1 of right push rod 2 slided into spacing prominent 1 left side and was subjected to the constraint of right moving plate 3 and keeps static this moment;
The tip of the tongue 2 21 that tongue 5 is bumped on a left side is rotated counterclockwise to the locking position by the promotion of left side lock ditch 8, the flange segmental arc 2 19 of tongue and mortar nest 2 62 disengagings of left push rod are bumped in a left side, left side push rod 6 loses spacing clockwise rotating, the spacing segmental arc of flange of bumping tongue until a left side enters in the mortar nest 2 62 of left push rod, and the sharp protruding end 2 63 of left push rod 6 slided into spacing prominent 2 71 right side and was subjected to the constraint of left moving plate 7 and keeps static this moment; Push rod 11 moves to the below of manual unlocking spare 10 with the slip door leaf;
During release, can manually upwards promote push rod 11 or long-rangely give electromagnet 9 energisings, make manual unlocking spare 10 up, right moving plate 3 and left moving plate 7 are discharged, draw back right side slip door leaf and left side slip door leaf, tongue 1 is bumped on the right side and the left tongue 5 that bumps resets under the pulling of right side lock ditch 4 and left side lock ditch 8.
Compared with prior art, the invention has the beneficial effects as follows: 1) this lockset can overcome the shortcoming of direct insertion electric mortise lock, because under locking states, the tongue that bumps of lockset itself has " frictional constraint " existence, and unexpected " frictional constraint " that produces can not exert an influence to the open function of this lockset; 2) can lock station slidingtype safety door, guarantee that under non-emergent state, manpower can't be opened safety door; 3) unlatching of lockset can be controlled automatically by the platform control system, when the generation emergency case can't be opened safety door automatically, can use key or pass through manual unlocking device opening safety door door lock in platform side in platform side.
Description of drawings
Structural representation when Fig. 1 is lockset unlock state of the present invention;
Fig. 2 is the structural representation of lockset of the present invention when being in the lock state.
In figure: 1-touches on the right side the right push rod 3-of the tongue 2-right lock ditch 5-of a right moving plate 4-left side and touches the left lock ditch of the left moving plate 8-of the left push rod 7-of the tongue 6-9-electromagnet 10-manual unlocking spare 11-push rod 12-axle one 13-axle two 14-axle three 15-axle four 16-axle five 17-axle six 18-flange segmental arc one 19-flange segmental arc two 20-the tip of the tongue one 21-the tip of the tongue two 22-mortar nest one spacing prominent 41-right wing plate 42-left wing plate 62-mortar nest two 71-spacing prominent two of 23-point protruding end one spacing segmental arc one spacing segmental arc two 31-of 25-flange of 24-flange
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described further:
As Fig. 1, Fig. 2, it is a kind of slip overall height of the present invention safety door lockset example structure schematic diagram, comprise right side mechanism and left side mechanism, the right side lock ditch 4 that right side mechanism slides on the door leaf on the right side triggers lockings, the left side lock ditch 8 that left side mechanism keeps left on the side slip door leaf triggers lockings, and wherein right side mechanism comprises that the right side bumps tongue 1, right push rod 2 and right moving plate 3; Left side mechanism comprises that a left side bumps tongue 5, left push rod 6 and left moving plate 7; Be provided with manual unlocking spare 10 between left side mechanism and the right side mechanism, electromagnet 9 is positioned at the top side of manual unlocking spare 10, and push rod 11 is positioned at the bottom side of manual unlocking spare 10, and manual unlocking spare 10 is fixed on the rail beam by structures such as supports.This lockset is applicable to the locking occasion of both sides slip door leaf, and it is little, simple in structure to have a volume, the advantage of reliable in action.
In the structure, the right side is bumped tongue 1 and is hung on the axle 1, and axle 1 is provided with torsion spring, makes the right side bump tongue 1 and has the potential energy that clockwise rotates around axle 1; A left side is bumped tongue 5 and is hung on the axle 2 13, and axle 2 13 is provided with torsion spring, makes a left side bump tongue 5 and has the potential energy that rotates counterclockwise around axle 2 13, and the right side is bumped tongue 1 and bumped tongue 5 with a left side and become the state that freely is held open respectively under the effect of torsion spring power.
Right moving plate 3 is provided with extension spring, make right moving plate 3 relative axles 5 16 have the potential energy of clockwise rotating, the end that axle 5 16 is positioned at right moving plate 3, the other end of right moving plate 3 are visited the below of the right wing plate 41 to the manual unlocking spare 10, and the below, stage casing of right moving plate 3 is provided with spacing prominent 1; Left side moving plate 7 is provided with extension spring, make left moving plate 7 relative axles 6 17 have the potential energy of clockwise rotating, the end that axle 6 17 is positioned at left moving plate 7, the other end of left moving plate 7 are visited the below of the left wing plate 42 to the manual unlocking spare 10, and the below, stage casing of left moving plate 7 is provided with spacing prominent 2 71;
During opening of the present invention, manual unlocking spare 10 is up, the right wing plate 41 on the manual unlocking spare 10 and left wing plate 42 drive right moving plate 3 respectively and left moving plate 7 up; The flange segmental arc 1 that tongue is bumped on the right side embeds in the mortar nest 1 of right push rod, and the sharp protruding end 1 on the right push rod 2 withstands on spacing prominent 1 the right side on the right moving plate 3, makes right moving plate 3 keep static; The flange segmental arc 2 19 that tongue is bumped on a left side embeds in the mortar nest 2 62 of left push rod, and the sharp protruding end 2 63 on the left push rod 2 withstands on spacing prominent 2 71 the left side on the left moving plate 3, makes left moving plate 3 keep static;
During locking states, the tip of the tongue 1 that tongue 1 is bumped on the right side is clockwise rotated to the locking position by the promotion of right lock ditch 4, the flange segmental arc 1 of tongue and mortar nest one 22 disengagings of right push rod are bumped in the right side, right push rod 2 loses spacing rotating counterclockwise, the spacing segmental arc 1 of flange of bumping tongue until the right side enters in the mortar nest 1 of right push rod, and the sharp protruding end 1 of right push rod 2 slided into spacing prominent 1 left side and was subjected to the constraint of right moving plate 3 and keeps static this moment;
The tip of the tongue 2 21 that tongue 5 is bumped on a left side is rotated counterclockwise to the locking position by the promotion of left side lock ditch 8, the flange segmental arc 2 19 of tongue and mortar nest 2 62 disengagings of left push rod are bumped in a left side, left side push rod 6 loses spacing clockwise rotating, the spacing segmental arc 2 25 of flange of bumping tongue until a left side enters in the mortar nest 2 62 of left push rod, and the sharp protruding end 2 63 of left push rod 6 slided into spacing prominent 2 71 right side and was subjected to the constraint of left moving plate 7 and keeps static this moment; Push rod 11 moves to the below of manual unlocking spare 10 with the slip door leaf, and lockset is locking states;
During release, can manually upwards promote push rod 11 or long-range to electromagnet 9 energisings, make manual unlocking spare 10 up, right moving plate 3 and left moving plate 7 are discharged, to the constraint release of right push rod 2 and left push rod 6, draw back right side slip door leaf and left side slip door leaf, tongue 1 is bumped on the right side and the left tongue 5 that bumps resets under the pulling of right side lock ditch 4 and left side lock ditch 8, finish the release step, realize opening the door action.After door was opened, the enabling signal of electromagnet need not to keep in the system, and lockset will enter the lock state for the treatment of.
Claims (1)
1. slip overall height safety door lockset, it is characterized in that, comprise right side mechanism and left side mechanism, the right side lock ditch (4) that right side mechanism slides on the door leaf on the right side triggers locking, the left side lock ditch (8) that left side mechanism keeps left on the side slip door leaf triggers locking, and wherein right side mechanism comprises that the right side bumps tongue (1), right push rod (2) and right moving plate (3); Left side mechanism comprises that a left side bumps tongue (5), left push rod (6) and left moving plate (7); Be provided with manual unlocking spare (10) between left side mechanism and the right side mechanism, electromagnet (9) is positioned at the top side of manual unlocking spare (10), and push rod (11) is positioned at the bottom side of manual unlocking spare (10);
The described right side is bumped tongue (1) and is hung on the axle one (12), and axle one (12) is provided with torsion spring, makes the right side bump tongue (1) and has the potential energy of clockwise rotating; A described left side is bumped tongue (5) and is hung on the axle two (13), and axle two (13) is provided with torsion spring, makes a left side bump tongue (5) and has the potential energy of rotating counterclockwise, and the right side is bumped tongue (1) and bumped tongue (5) with a left side and become free opening respectively under the effect of torsion spring power.
Described right push rod (2) hangs on the axle three (14), axle three (14) is provided with torsion spring, make right push rod (2) have the potential energy of clockwise rotating, an end of right push rod (2) is provided with mortar nest one (22), and mortar nest 21 ends of right push rod (2) are provided with sharp protruding end one (23); Described left push rod (6) hangs on the axle four (15), axle four (15) is provided with torsion spring, make left push rod (6) have the potential energy of clockwise rotating, an end of left push rod (6) is provided with mortar nest two (62), and mortar nest 21 ends of left push rod (6) are provided with sharp protruding end two (63);
Described right moving plate (3) is provided with extension spring, make the relative axle five (16) of right moving plate (3) have the potential energy of clockwise rotating, axle five (16) is positioned at an end of right moving plate (3), the other end of right moving plate (3) is visited the below of the right wing plate (41) to the manual unlocking spare (10), and the below, stage casing of right moving plate (3) is provided with spacing prominent one (31); Described left moving plate (7) is provided with extension spring, make the relative axle six (17) of left moving plate (7) have the potential energy of clockwise rotating, axle six (17) is positioned at an end of left moving plate (7), the other end of left side moving plate (7) is visited the below of the left wing plate (42) to the manual unlocking spare (10), and the below, stage casing of left moving plate (7) is provided with spacing prominent two (71);
During opening, manual unlocking spare (10) is up, and the right wing plate (41) on the manual unlocking spare (10) and left wing plate (42) drive right moving plate (3) respectively and left moving plate (7) is up; The flange segmental arc one (18) that tongue is bumped on the right side embeds in the mortar nest one (22) of right push rod, and the sharp protruding end one (23) on the right push rod (2) withstands on spacing prominent one (31) the right side on the right moving plate (3), makes right moving plate (3) keep static; The flange segmental arc two (19) that tongue is bumped on a left side embeds in the mortar nest two (62) of left push rod, and the sharp protruding end two (63) on the left push rod (2) withstands on spacing prominent two (71) the left side on the left moving plate (3), makes left moving plate (3) keep static;
During locking states, the tip of the tongue one (20) that tongue (1) is bumped on the right side is clockwise rotated to the locking position by the promotion of right lock ditch (4), the flange segmental arc one (18) of tongue and mortar nest one (22) disengaging of right push rod are bumped in the right side, right push rod (2) loses spacing rotating counterclockwise, the spacing segmental arc of flange of bumping tongue until the right side enters in the mortar nest one (22) of right push rod, and the sharp protruding end one (23) of right push rod this moment (2) slides into spacing prominent one (31) left side and is subjected to the constraint of right moving plate (3) and keeps static;
The tip of the tongue two (21) that tongue (5) is bumped on a left side is rotated counterclockwise to the locking position by the promotion of left side lock ditch (8), the flange segmental arc two (19) of tongue and mortar nest two (62) disengagings of left push rod are bumped in a left side, left side push rod (6) loses spacing clockwise rotating, the spacing segmental arc of flange of bumping tongue until a left side enters in the mortar nest two (62) of left push rod, and the sharp protruding end two (63) of left push rod this moment (6) slides into spacing prominent two (71) right side and is subjected to the constraint of left moving plate (7) and keeps static; Push rod (11) moves to the below of manual unlocking spare (10) with the slip door leaf;
During release, can manually upwards promote push rod (11) or long-range to electromagnet (9) energising, make manual unlocking spare (10) up, right moving plate (3) and left moving plate (7) are discharged, draw back right side slip door leaf and left side slip door leaf, the right side is bumped tongue (1) and a left side and is bumped tongue (5) and lock on right side lock ditch (4) and a left side under the pulling of ditch (8) and reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310231979.9A CN103291143B (en) | 2013-06-09 | 2013-06-09 | Sliding full-height safety door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310231979.9A CN103291143B (en) | 2013-06-09 | 2013-06-09 | Sliding full-height safety door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103291143A true CN103291143A (en) | 2013-09-11 |
| CN103291143B CN103291143B (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310231979.9A Active CN103291143B (en) | 2013-06-09 | 2013-06-09 | Sliding full-height safety door lock |
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| Country | Link |
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| CN (1) | CN103291143B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696639A (en) * | 2013-12-11 | 2014-04-02 | 南车青岛四方机车车辆股份有限公司 | Hidden sliding door lock for railway vehicle cab |
| CN104453484A (en) * | 2013-09-23 | 2015-03-25 | 起亚自动车株式会社 | Remote control mechanism for sliding door |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1061283A (en) * | 1996-08-23 | 1998-03-03 | Miwa Lock Co Ltd | Electric lock for sliding door |
| US20040211121A1 (en) * | 2003-04-23 | 2004-10-28 | Fuji Electric Systems Co., Ltd. | Side sliding door device for vehicle |
| 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 |
| CN101328776A (en) * | 2007-06-22 | 2008-12-24 | 黄平 | Device for automatically controlling slide door lock |
| CN201738685U (en) * | 2010-06-11 | 2011-02-09 | 郭学武 | Door lock specially used for sliding door |
| CN102822440A (en) * | 2010-01-21 | 2012-12-12 | 斯坦利布莱克和戴克公司 | Sliding door lock with dual break-out release |
-
2013
- 2013-06-09 CN CN201310231979.9A patent/CN103291143B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1061283A (en) * | 1996-08-23 | 1998-03-03 | Miwa Lock Co Ltd | Electric lock for sliding door |
| US20040211121A1 (en) * | 2003-04-23 | 2004-10-28 | Fuji Electric Systems Co., Ltd. | Side sliding door device for vehicle |
| 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 |
| CN101328776A (en) * | 2007-06-22 | 2008-12-24 | 黄平 | Device for automatically controlling slide door lock |
| CN102822440A (en) * | 2010-01-21 | 2012-12-12 | 斯坦利布莱克和戴克公司 | Sliding door lock with dual break-out release |
| CN201738685U (en) * | 2010-06-11 | 2011-02-09 | 郭学武 | Door lock specially used for sliding door |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453484A (en) * | 2013-09-23 | 2015-03-25 | 起亚自动车株式会社 | Remote control mechanism for sliding door |
| CN104453484B (en) * | 2013-09-23 | 2018-07-17 | 起亚自动车株式会社 | The remote-control gear of sliding door |
| CN103696639A (en) * | 2013-12-11 | 2014-04-02 | 南车青岛四方机车车辆股份有限公司 | Hidden sliding door lock for railway vehicle cab |
| CN103696639B (en) * | 2013-12-11 | 2015-09-02 | 南车青岛四方机车车辆股份有限公司 | The built-in sliding door door lock of railway vehicle cab |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103291143B (en) | 2015-04-15 |
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