CN102444336B - Door lock of safety door - Google Patents
Door lock of safety door Download PDFInfo
- Publication number
- CN102444336B CN102444336B CN 201110403073 CN201110403073A CN102444336B CN 102444336 B CN102444336 B CN 102444336B CN 201110403073 CN201110403073 CN 201110403073 CN 201110403073 A CN201110403073 A CN 201110403073A CN 102444336 B CN102444336 B CN 102444336B
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- China
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- unlocking device
- door lock
- wing plate
- safety door
- tablet
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Abstract
The invention discloses a door lock of a safety door, comprising a lock body, an automatic unlocking device and a manual unlocking device which are arranged at the lower part of a sliding door, wherein the automatic unlocking device comprises a motor, a wing plate, a belt wheel, a sensing plate and a locking hook; an output shaft of the motor is connected with the belt wheel which is connected with the wing plate; the wing plate is provided with a groove which is matched with a convex block of a stroke stopper, and a certain gap is left between the groove and the convex block of the stroke stopper; a torsion spring is sheathed on the stroke stopper; a flange part of the wing plate is connected with an unlocking pin which is arranged in a waist-shaped hole of the sensing plate; the upper end of the sensing plate is connected with the locking hook which is in an L-shaped structure; and a pressing spring is sheathed on a longitudinal rod of the locking hook. In the door lock, the synchronism and the reliability of locking and unlocking of the sliding door in the opening and closing process are realized by composite motion of the rotary angle difference and the vertical displacement; and the door lock not only is small in volume and high in flexibility, is safe and reliable, has no impact, but also is simple in structure and easy in implementation, and the defect of unlocking in a single movement form is overcome.
Description
Technical field
The present invention relates to a kind of safety door, relate in particular to a kind of safety door lock.
Background technology
Safety door latch is safety door important core parts, is the necessary parts that ensure track traffic and high-speed railway passenger safety.Usually a lot of producers adopt the compound mode of mechanical locking and electromagnetism release to realize the door lock action, also can realize the door lock action by the stroke of the level of artificial design, vertical (platform) direction or the corner of circumferencial direction.Yet the electromagnetism release is because the delay of control signal cause the hysteresis of electromagnetism action, and the indirect stroke of mechanical locking can impact also to sensitivity and the safety of door lock; And the independent door lock that passes through stroke or corner design, often because structure is huge too fat to move, tie point is many, influences locking precision and the door body performance of door lock.
Summary of the invention
The combined safety door lock that provides a kind of corner and vertical displacement to form is provided at the problems referred to above.
The objective of the invention is to be achieved through the following technical solutions:
A kind of safety door lock, comprise the lock body that is installed in the sliding door bottom, auto-unlocking device and manual unlocking device, described auto-unlocking device comprises motor, wing plate, belt pulley, tablet and latch hook, described motor output shaft is connected with belt pulley, described belt pulley is connected with wing plate, described wing plate has groove, groove matches with the projection of stroke retaining and leaves certain interval, described stroke is blocked and is arranged with torsion spring, the flange part of wing plate is connected with latch, and described latch is arranged in the waist-shaped hole of tablet, and described tablet upper end is connected with latch hook, described latch hook is L type structure, is arranged with stage clip on its vertical pole.
Especially, the lower end of described tablet is provided with near switch.
Especially, described auto-unlocking device and manual unlocking device are installed on the lock body.
Especially, described manual unlocking device comprises release bearing pin and tripper, and described release bearing pin is arranged in the groove of offering latch hook cross bar bottom, and the release bearing pin is connected with tripper.
Especially, described tripper is provided with cam, and the right-hand member of described cam is provided with travel switch.
Beneficial effect of the present invention is, described safety door lock is by the locking in the compound motion realization sliding door switching process of outer corner difference, vertical displacement and synchronism, the reliability of release, and not only volume is little, and is highly sensitive, safe and reliable, do not have and impact, and simple in structure, be easy to realize, avoided the motion release defective of single form, in addition, the integrative-structure easy installation and removal of manual unlocking device and auto-unlocking device is convenient to safeguard.
Description of drawings
The present invention is described in further detail with embodiment with reference to the accompanying drawings below.
Fig. 1 is the structural representation of safety door lock of the present invention;
Fig. 2 is the exploded view of safety door lock of the present invention;
Fig. 3 is the rear elevation of safety door lock of the present invention.
Among the figure:
1, wing plate; 2, belt pulley; 3, torsion spring; 4, lock body; 5, tripper; 6, travel switch; 7, latch hook; 8, stage clip; 9, near switch; 10, tablet; 11, stroke retaining; 12, cam; 13, latch; 14, release bearing pin.
The specific embodiment
Please refer to Fig. 1 to shown in Figure 3, in present embodiment, a kind of safety door lock, comprise the lock body 4 that is installed in the sliding door bottom, auto-unlocking device and manual unlocking device, described auto-unlocking device comprises motor, wing plate 1, belt pulley 2, tablet 10 and latch hook 7, described motor output shaft is connected with belt pulley 2, described belt pulley 2 is connected with wing plate 1, described wing plate 1 has groove, groove matches with the projection of stroke retaining 11 and leaves certain interval, be arranged with torsion spring 3 on the described stroke retaining 11, the flange part of wing plate 1 is connected with latch 13, and described latch 13 is arranged in the waist-shaped hole of tablet 10, and described tablet 10 upper ends are connected with latch hook 7, described latch hook 7 is L type structure, is arranged with stage clip 8 on its vertical pole.
Especially, the lower end of described tablet 10 is provided with near switch 9.
Especially, described auto-unlocking device and manual unlocking device are installed on the lock body 4.
Especially, described manual unlocking device comprises release bearing pin 14 and tripper 5, and described release bearing pin 14 is arranged in the groove of offering latch hook 7 cross bar bottoms, and release bearing pin 14 is connected with tripper 5.
Especially, described tripper 5 is provided with cam 12, and the right-hand member of described cam 12 is provided with travel switch 6.
During work, motor drives belt pulley 2 by belt and rotates, belt pulley 2 drives wing plate 1 and rotates, leave certain interval between the projection of the groove of wing plate 1 and stroke retaining 11, wing plate 1 is when rotating the design point of view difference, by the latch 13 that connects on its flange, drive tablet 10 and move up and down, tablet 10 drives latch hook 7 up-and-down movements that its upper end connects, produce locking and the release of door lock, when latch hook 7 moves downward, can realize the locking of a body, meanwhile under belt pulley 2 drives, tablet 10 touching downwards is near switch 9, triggering signal when latch hook 7 moves upward, can realize the release of a body under belt pulley 2 drives; In addition, also can pass through hand rotation tripper 5, tripper 5 drives release bearing pin 14 and rotates, when release bearing pin 14 lifts latch hook 7, and the cam 12 on the tripper 5 and travel switch 6 interlocks, triggering signal, after the release, stage clip 8 orders about latch hook 7 and resets.
Above embodiment has just set forth basic principle of the present invention and characteristic; the present invention is not limited by above-described embodiment; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. safety door lock, it is characterized in that: comprise the lock body that is installed in the sliding door bottom, auto-unlocking device and manual unlocking device, described auto-unlocking device comprises motor, wing plate, belt pulley, tablet and latch hook, described motor output shaft is connected with belt pulley, described belt pulley is connected with wing plate, described wing plate has groove, groove matches with the projection of stroke retaining and leaves certain interval, described stroke is blocked and is arranged with torsion spring, the flange part of wing plate is connected with latch, and described latch is arranged in the waist-shaped hole of tablet, and described tablet upper end is connected with latch hook, described latch hook is L type structure, is arranged with stage clip on its vertical pole.
2. safety door lock according to claim 1, it is characterized in that: the lower end of described tablet is provided with near switch.
3. safety door lock according to claim 1, it is characterized in that: described auto-unlocking device and manual unlocking device are installed on the lock body.
4. safety door lock according to claim 1, it is characterized in that: described manual unlocking device comprises release bearing pin and tripper, described release bearing pin is arranged in the groove of offering latch hook cross bar bottom, and the release bearing pin is connected with tripper.
5. safety door lock according to claim 4, it is characterized in that: the described tripper in the described manual unlocking device is provided with cam, and the right-hand member of described cam is provided with travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110403073 CN102444336B (en) | 2011-12-07 | 2011-12-07 | Door lock of safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110403073 CN102444336B (en) | 2011-12-07 | 2011-12-07 | Door lock of safety door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102444336A CN102444336A (en) | 2012-05-09 |
| CN102444336B true CN102444336B (en) | 2013-08-21 |
Family
ID=46007238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110403073 Active CN102444336B (en) | 2011-12-07 | 2011-12-07 | Door lock of safety door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102444336B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031995B (en) * | 2013-01-24 | 2014-06-25 | 江苏明伟万盛科技有限公司 | Integrated electromagnetic lock of subway safety door |
| ITUA20161462A1 (en) | 2016-03-08 | 2017-09-08 | Illinois Tool Works | DOOR LOCK WITH DOOR DETECTION |
| US11326368B2 (en) | 2017-05-02 | 2022-05-10 | Carrier Corporation | Lead screw latch |
| CN110195533B (en) * | 2019-04-24 | 2021-05-28 | 靖江华瑞汽车零部件有限公司 | Flexible lock |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1522659A2 (en) * | 2003-10-10 | 2005-04-13 | CISA S.p.A. | Electric lock with multiple-function spring |
| US7240523B2 (en) * | 2004-04-16 | 2007-07-10 | Southco, Inc. | Slide latch assembly |
| CN201007132Y (en) * | 2007-01-11 | 2008-01-16 | 史和平 | Platform safety 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 |
| CN101668916A (en) * | 2007-02-28 | 2010-03-10 | 马格纳·克劳祖雷斯有限公司 | Modular latch |
| WO2010137834A2 (en) * | 2009-05-26 | 2010-12-02 | (주)보체스 | Electric door-locking system using a cam |
-
2011
- 2011-12-07 CN CN 201110403073 patent/CN102444336B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1522659A2 (en) * | 2003-10-10 | 2005-04-13 | CISA S.p.A. | Electric lock with multiple-function spring |
| US7240523B2 (en) * | 2004-04-16 | 2007-07-10 | Southco, Inc. | Slide latch assembly |
| CN201007132Y (en) * | 2007-01-11 | 2008-01-16 | 史和平 | Platform safety door lock |
| CN101668916A (en) * | 2007-02-28 | 2010-03-10 | 马格纳·克劳祖雷斯有限公司 | Modular latch |
| 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 |
| WO2010137834A2 (en) * | 2009-05-26 | 2010-12-02 | (주)보체스 | Electric door-locking system using a cam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102444336A (en) | 2012-05-09 |
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Address after: 100070, No. 2, building 18, 188, base station, South Fourth Ring Road West, Beijing, Fengtai District Patentee after: Beijing Dinghan Technology Group Co., Ltd. Address before: 100070, No. 2, building 18, 188, base station, South Fourth Ring Road West, Beijing, Fengtai District Patentee before: Beijing Dinghan Technology Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |