CN204139777U - A kind of door lock for track traffic escape door - Google Patents
A kind of door lock for track traffic escape door Download PDFInfo
- Publication number
- CN204139777U CN204139777U CN201420484387.8U CN201420484387U CN204139777U CN 204139777 U CN204139777 U CN 204139777U CN 201420484387 U CN201420484387 U CN 201420484387U CN 204139777 U CN204139777 U CN 204139777U
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- lock
- door
- escape door
- locking bar
- track traffic
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of door lock for track traffic escape door, comprising: be fixed on the lock pin on the lintel of escape door; Be coupling the lock collar on escape door, and this lock collar has the locking position fastened with lock pin and the release position discharging lock pin; Be arranged in escape door for lock collar being remained on the locking bar of locking position.The utility model is coordinated with the top lock pin be arranged on lintel by lock collar, forces lock collar at closing time to be rotated under lock pin effect, and when lock collar rotate in place, alignment pin falls to reaching door locking object.Adopt lock collar locking mechanism, guarantee the uniqueness of locked position, locking or the release conditions of monitoring door lock can be known.
Description
Technical field
The utility model belongs to track traffic escape door design field, specifically relates to a kind of track traffic emergent door lock.
Background technology
In subway shield door, escape door is most important as escape, and its effect is can as the passage leading to platform escape when rail side generation accident.Therefore, the lock of escape door should ensure that door wants safe locking when normal condition, and when accident occurs, can smooth opening, this means that escape door is when opening, except turning cylinder, any part of escape door must not come in contact with other system or collide, to affect the use fluency of escape door.
In screen door, escape door can be subject to the repeated action of piston blast in daily battalion is moved, and can produce pitching, and considers the requirement of crowd's load, so the locking mode of emergent door lock and structural strength are particularly important.
In subway shield door project, escape door is the important component part in screen door, need include in the safety return circuit of screen door.In screen door normal course of operation, escape door necessarily Seeking Truth is closed and locking, and this just requires that escape door has two pilot signals, a shutdown signal, and another locks signal, and this two signal is included in shield door safety return circuit and done security monitoring.And require that door is when opening, the indicator lamp on door head requires glittering to warn.
Meanwhile, be the passage of the daily turnover of driver at the escape door of end door, require to there is stable and reliable mechanism to ensure that the daily life-span uses.
In shield door industry prior art, subway shield door emergent door lock respectively has each technical characterstic.Some is directly bought existing door lock on the market and installs, and what also have is self-designed.But great majority lock all adopts universal pin locking mode.
Publication number be CN102444331A patent document discloses the safe emergent door lock of a kind of rail transit platform screen door escape door, it comprises top block, bottom block, top lock body, bottom lock body, uploads lever, underdrive bar, lock body main body and push rod; Top block is arranged on lintel, bottom block is arranged on threshold, top lock body is arranged on the column upper end of escape door, bottom lock body is arranged on the column lower end of escape door, lock body main body is arranged in the middle of the column of escape door, and upload lever and be connected between top lock body and lock body main body, underdrive bar is connected between bottom lock body and lock body main body, push rod is horizontally installed on the centre of escape door and is connected with lock body main body, presses down push rod and the action of lock body main body can be driven to realize manual unlocking.Above-mentioned door lock is applied in shield door escape door unit, make can realize manual unlocking by pressing push rod and open escape door in the dangerous side (rail side) of shield door emergency passenger, thus arrive at the safe side of platform by escape door.
Utility model content
The utility model provides the escape door door lock in a kind of screen door in rail transit system, and this escape door door lock, by lock collar and stop pin interlock, achieves the accurate control to emergent door locking and door opening state, improves the safety in escape door running.
For a door lock for track traffic escape door, comprising:
Be fixed on the lock pin on the lintel of escape door;
Be coupling the lock collar on escape door, and this lock collar has the locking position fastened with lock pin and the release position discharging lock pin;
Be arranged in escape door for lock collar being remained on the locking bar of locking position.
As preferably, described door lock comprises being arranged on escape door and drives locking bar to rise with the driving mechanism discharging lock collar; The back-moving spring ordering about locking bar and decline is provided with between described escape door and locking bar.The release to lock collar can be realized fast by driving mechanism, ensure the smooth opening of escape door; By back-moving spring, ensure that locking bar is subject to downward pulling force, when after escape door door-closing in-place, the locking of escape door can be realized rapidly.
As preferably, described driving mechanism comprises the top board and the driving cam on escape door of transferring fixed with described locking bar, and described driving cam outer rim and described top board offset.By the rotation of driving cam, realize the elevating movement of top board, and then realize moving up and down of locking bar, cam structure is easy to process, not fragile simultaneously, long service life.
As preferred further, described driving cam has two, is respectively the first driving cam and the second driving cam; Described escape door is provided with the lock core of band unlock position, and this lock core and the first driving cam link; Described escape door is also provided with swing handle, and this swing handle and the second driving cam link.The utility model all can realize the movement to push rod by lock core and swing handle, ensures the safety in escape door use procedure, can not break down and cause escape door to open, improve the flexibility of escape door door lock because of one of them driving cam.
As preferred further, described lock core and swing handle are separately positioned on the both sides of escape door, and as further preferred, described lock core is arranged on the side of escape door near platform, and described swing handle is arranged on the side of escape door near track.Adopt this technical scheme, when have an accident or fault time, passenger in escape door or staff can realize opening door lock by using swing handle, the staff of outside or other Field Force can realize opening door lock by key, further increase the safety of escape door.
As preferably, the threshold of described escape door is provided with lockhole; The bottom of described locking bar coordinates with lockhole grafting, and the top of described locking bar is provided with the alignment pin coordinated with lock collar.The location on locking bar top can be realized by alignment pin, the location bottom to locking bar can be realized by lockhole, by arranging lockhole and alignment pin, further increase the locking force to door lock, avoiding escape door surprisingly to open.
As preferably, described lock collar is provided with the fore shaft that coordinates with described lock pin and the positioning port with described detent fit; Described alignment pin have with locking bar decline enter the first working position of described positioning port and climb away the second working position of described positioning port with locking bar.By being arranged on the collision of the top lock pin on lintel, force dial rotation, and when lock collar rotate in place, alignment pin falls to reaching door locking object.When locking bar is by jack-up, alignment pin departs from positioning port, and escape door is opened immediately, and lock pin slips away fore shaft thereupon, and escape door is opened further.
As preferably, be provided with driving spring between described escape door and lock collar, described driving spring is used for departing from positioning port rear drive lock collar at alignment pin and enters release position.The setting of driving spring, ensure next time at closing time, lock pin can enter in fore shaft smoothly, and then realizes the driving to lock collar, finally realizes alignment pin and falls in positioning port, realize the locking to escape door.
As further preferably, described lock collar with stressed in lock pin, to drive lock collar by the leading edge discharging position and proceed to locking position.Described leading edge is positioned at the side of fore shaft, and the opposite side of fore shaft is the anticreep latch hook for limiting lock pin.Described anticreep latch hook comprises the boot segment of enlarging, the locking section with boot segment arc-shaped transition, and described boot segment guiding lock pin enters locking section and carries out locking.Arranging of leading edge ensures escape door at closing time, and lock collar is stablized and smooth entered locking position from release position.
As preferably, described escape door top is along being provided with holder, and described lock collar is arranged on this holder; Described holder is provided with the stopper slot of arc, and described lock collar is provided with the gag lever post slided along stopper slot.The setting of stopper slot and gag lever post, realizes the control to lock collar rotation limit position, avoids rotating excessively.
As preferred further, described holder is provided with the mounting groove arranged around lock collar rotation, and described driving spring is arranged in mounting groove, and two terminations of driving spring are fixed with lock collar and mount pad respectively.The axis hole installing lock collar is provided with in mounting groove.The setting of mounting groove, improves the compactedness that lock collar is installed, avoids the interference of driving spring and other component.
As preferably, the lintel of described escape door is provided with the first travel switch of triggering and then sending door lock locking signal by locking bar and triggers and then send escape door by described escape door and to put in place the second travel switch of signal.The setting of the first travel switch and the second travel switch, achieves the real-time monitoring to escape door duty, improves the safety of screen door.
As preferably, described locking bar comprises: top is fixed with the upper lock rod of described alignment pin; The lower locking bar that bottom coordinates with described lockhole; By the connector that described upper lock rod and lower locking bar screw thread are fixed, this connector is fixed with described top board.Described connector can select tubular structure, can machining screw structure etc. on tubular structure as required.Adopt the locking bar of said structure, facilitate the installation of locking bar and top board.
As preferably, described holder is provided with and locking bar radial direction is fixedly mounted on the limited mouth in escape door and realizes two radial spacing position limit arms to alignment pin; Described two position limit arms back to side be ramp structure for triggering the second travel switch.The setting of limited mouth and position limit arm, avoids alignment pin generation radial direction to rock, and improves Systematical control accuracy.Guarantee second travel switch that arranges of ramp structure can be triggered smoothly.
The utility model is rotated by lock collar on door lock, the dropping place of stop pin, cause simultaneously locking bar under door lock whereabouts locking and by emergent door lock jail.Simultaneously by triggering the travel switch that is arranged on lintel, obtaining door lock locking signal and escape door and to put in place signal.
In the utility model, alignment pin is as important part of the force, and it adopts high-strength material, and anti-corrosion treatment is made on surface.
In the utility model, when not having specified otherwise, " locking position ", " release position ", " the first working position ", " the second working position " etc. all refer to certain duty, and should not be construed as the restriction to structure and connected mode.
Compared with prior art, the beneficial effects of the utility model are embodied in:
(1) the utility model is coordinated with the top lock pin be arranged on lintel by lock collar, forces lock collar at closing time to be rotated under lock pin effect, and when lock collar rotate in place, alignment pin falls to reaching door locking object.Adopt lock collar locking mechanism, guarantee the uniqueness of locked position, locking or the release conditions of monitoring door lock can be known.
(2) the utility model also utilizes the turned position characteristic of lock collar, when door lock is opened, alignment pin leaves lock-bit, lock collar discharges, and reset by driving spring active force, now alignment pin is suspended on rotating disk, is so also hung up locking bar bottom and leaves ground, thus ensureing that door is when opening, door lock can not affect the motion of escape door.
(3) in the utility model, upper lock rod, lower locking bar adopt engagement thread to be connected with connector, facilitate the position adjustment of brace, also can overcome assembling and the manufacturing tolerance of escape door simultaneously; Facilitate the fixing of locking bar.
(4) pass through the design to mount pad structure in the utility model, improve the compactedness that lock collar is installed, facilitate the installation of driving spring and the location of lock collar simultaneously, also improve the triggering precision to travel switch simultaneously; Designed by the ramp shaped of holder, when escape door close put in place time, the pulley be fixed on lintel stretches, and the compressing and triggering that travel switch is subject to holder sends escape door and to put in place signal.
(5) the utility model adopts and arranges door lock driving in platform side, arrange swing handle in rail side to drive, ensure all can fast escape door be opened in platform side and rail side, improve the flexibility that escape door is unblanked, improve the safety in escape door use procedure simultaneously.
(6) the utility model adopts and all adopts self-lubricating and the material mode of bottom-friction factor in rotation place or slip place, to reduce contact friction force, to make motion more smooth and easy.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of track traffic escape door of the present utility model.
Fig. 2 is the partial enlargement structural representation of part A in Fig. 1.
Fig. 3 is the disassemblying structure schematic diagram of the door lock for track traffic escape door of the present utility model.
Fig. 4 is the structure for amplifying schematic diagram at the locking bar top of the door lock for track traffic escape door of the present utility model.
Fig. 5 is the assembly structure schematic diagram at the locking bar top of the door lock for track traffic escape door of the present utility model.
Fig. 6 is the structural representation of the driving mechanism of the door lock for track traffic escape door of the present utility model.
Fig. 7 is the side assembly structure schematic diagram of the driving mechanism of the door lock for track traffic escape door of the present utility model.
Fig. 8 is the opposite side assembly structure schematic diagram of the driving mechanism of the door lock for track traffic escape door of the present utility model.
Fig. 9 is the assembly structure schematic diagram between the driving cam of the door lock for track traffic escape door of the present utility model and top board.
Figure 10 is the structural representation of the holder of the door lock for track traffic escape door of the present utility model.
Figure 11 is the structural formula schematic diagram that the lock collar of the door lock for track traffic escape door of the present utility model is in locking position.
Figure 12 is the structural formula schematic diagram that the lock collar of the door lock for track traffic escape door of the present utility model is in release position.In above-mentioned accompanying drawing:
1, lintel; 2, lock pin; 3, lock collar; 3a, fore shaft; 3b, positioning port; 3c, gag lever post; 4, escape door; 5, locking bar; 5a, upper lock rod; 5b, lower locking bar; 5c, connector; 6, threshold; 7, alignment pin; 8, back-moving spring; 9, top board; 10, the first driving cam; 11, the second driving cam; 12, lock core; 13, swing handle; 14, driving spring; 15, holder; 15a, stopper slot; 15b mounting groove; 15c, limited mouth; 15d, position limit arm; 15e, ramp structure; 16, the first travel switch; 17, the second travel switch; 18, axle sleeve; 19, trigger arm; 20, locking closure; 21, female receptacle; 22, spring is protected; 23, installing plate; 24, spacing hole; 24, spacing hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, explanation is in detail done to the door latch structure for track traffic escape door of the present utility model.
Be illustrated in figure 1 a kind of common track traffic escape door unit, comprise the symmetrically arranged escape door 4 of two fans, be arranged on lintel 1 above escape door 4, be arranged on threshold 6 below escape door 4.Escape door 4 by door-hinge and lintel 1 and threshold 6 hinged.Lintel 1 and threshold 6 are fixed with the framework installing escape door.The structure of escape door 4, lintel 1 and threshold 6 is prior art, and the improvement focused on door lock in the utility model, its structure and mounting means are protection domain of the present utility model.
As shown in Figure 2 and Figure 5, lintel 1 is fixed with lock pin 2, first travel switch 16, second travel switch 17.The mutually close top, side of two escape doors 4 is equipped with door lock and installs holding tank, for installing the structures such as lock collar.
As Fig. 2 and as shown in Figure 3, a kind of door lock for track traffic escape door, comprising: be fixed on the lock pin 2 on the lintel 1 of escape door 4; Be coupling the lock collar 3 on escape door 4, and this lock collar 3 has the locking position fastened with lock pin 2 and the release position discharging lock pin; Be arranged in escape door 4 for lock collar 3 being remained on the locking bar 5 of locking position.
As shown in Figure 3, locking bar 5 comprises: top is fixed with the upper lock rod 5a of alignment pin 7; The lower locking bar 5b that bottom coordinates with lockhole; By the connector 5c that upper lock rod 5a and lower locking bar 5b screw thread fix, the top board 9 that this connector 5c is fixed with.Connector 5c can select tubular structure, can machining screw structure etc. on tubular structure as required.Adopt the locking bar 5 of said structure, facilitate the installation of locking bar 5 and top board 9.Upper lock rod 5a is arranged with back-moving spring 8, back-moving spring 8 one end and the positive stop lug boss be arranged on upper lock rod 5a offset fixing, and the other end and holder 15 bottom surface offset, and drop to locking position for ordering about locking bar 5.
As shown in Fig. 4, Fig. 5 and Figure 10, lock collar 3 is provided with the fore shaft 3a coordinated with the lock pin 2 and positioning port 3b coordinated with alignment pin 7; Alignment pin 7 have with locking bar 5 decline enter first working position of positioning port 3b and climb away second working position of positioning port 3b with locking bar 5.Escape door 4 pushes up along being provided with holder 15; As shown in Figure 10, holder 15 is provided with the mounting groove 15b arranged around lock collar 3 rotation, and simultaneously holder 15 is provided with and locking bar 5 radial direction is fixedly mounted on the limited mouth 15c in escape door 4 and realizes two radial spacing position limit arm 15d to alignment pin 7; Two position limit arm 15d back to side be ramp structure 15e for triggering the second travel switch 17, after escape door 4 door-closing in-place, the expansion roller of the second travel switch 17 moves to peak along the ramp structure 15e of holder 15, finally sends escape door and to put in place signal.The setting of limited mouth 15c and position limit arm 15d, avoids, in alignment pin 7 use procedure, radial direction occurs and rocks, and improves Systematical control accuracy.Lock collar 3 is arranged in mounting groove 15b by axle sleeve 18 switching, axle sleeve 18 is arranged with the driving spring 14 entering release position for departing from positioning port 3b rear drive lock collar 3 at alignment pin 7.Driving spring 14 can for being arranged on the wind spring in mounting groove 15b, and two terminations of wind spring are fixed with lock collar 3 and mount pad 15 respectively.Holder 15 is also provided with the stopper slot 15a of arc, lock collar 3 is provided with the gag lever post 3c slided along stopper slot 15a.The setting of stopper slot 15a and gag lever post 3c, realizes the control to lock collar 3 rotation limit position, avoids rotating excessively.Stopper slot 15a is communicated with mounting groove 15b.Mount pad 15 is also hinged with the trigger arm 19 of triggering first travel switch 16, this trigger arm has the bayonet socket engaged with alignment pin 7, and after alignment pin decline enters into positioning port 3b, trigger arm 19 triggers the first travel switch 16 and then sends door lock locking signal.
As shown in Fig. 3 and Fig. 6-9, door lock also comprises being arranged on escape door and drives locking bar 5 to rise to discharge the driving mechanism of lock collar 3; The driving cam that driving mechanism comprises the top board 9 fixing with locking bar 5 and transfers on escape door 4, driving cam outer rim and top board 9 offset.By the rotation of driving cam, realize the elevating movement of top board 9, and then realize moving up and down of locking bar 5.Driving cam has two, is respectively the first driving cam 10 and the second driving cam 11; Escape door 4 is provided with the lock core 12 of band unlock position near platform side, and lock core 12 is interfixed by bolt arrangement and escape door 4; Lock core 12 one end by the cubic bayonet socket that coordinates and screw fixing with the first driving cam 10, realize interlock, lock core 12 other end is provided with the triangle bayonet socket coordinated with key, this end end is movably installed with locking closure 20 simultaneously, locking closure 20 center is fixed with the female receptacle 21 with key hole, be fixed with between female receptacle 21 and lock core 12 and protect spring 22, when protection spring 22 makes not unblank, locking closure 2 is upspring, avoid foreign material to enter into the normal use affecting lock core in lock core.
As in Fig. 1, Fig. 7 and Fig. 8, escape door 4 is provided with swing handle 13 near rail side, and this swing handle 13 is linked by installing plate 23 and the second driving cam 11.Swing handle 13 is fixed with installing plate 23, and installing plate 13 and the hinged installation of escape door 4, interfix with the second driving cam 11 simultaneously, and installing plate 23 is provided with the spacing hole 24 of arc simultaneously, escape door 4 is fixed with the set screw through this spacing hole 24.By forcing in swing handle 13, drive installation plate 23 drives the second driving cam 11 to rotate, thus upwards jack-up top board 9, realize the rising of locking bar.
Shown in Figure 11 and Figure 12, Figure 11 is the structural representation that lock collar 3 is in locking position, Tu11Zhong, alignment pin 7 is positioned at positioning port 3b, is in the first working position state, ensures that lock collar 3 remains on locking position state, lock pin 2 is locked in fore shaft 3a, now escape door 4 locking under lock pin 2 acts on; Figure 12 is the structural representation that lock collar 3 is in release position, Tu11Zhong, and alignment pin 7 climbs away positioning port 3b, and be in the first working position state, lock collar 3 is released; Now escape door 4 is opened under external force, and lock collar 3 rotates to release position state, and lock pin 2 departs from fore shaft 3a, and escape door 4 is opened; Lock collar 3 remains on release position under driving spring 14 acts on, and meets entering of lock pin 2 at closing time.
In the present embodiment, escape door opens the door two kinds of methods.One, by pushing rail side swing handle 13, the second driving cam 11 be attached thereto is rotated, and top board 9 is by the power of the second driving cam 11 is moved, the upper lock rod 5a, the lower locking bar 5b that are connected up move, and locking switch disconnects.And now alignment pin 7 leaves positioning port, lower locking bar 5b also leaves lockhole, and escape door is opened by thrust, and meanwhile, the second travel switch 17 also disconnects.
Its two, open in platform side triangular key, key twisting lock core 12, first driving cam 10 rotates, upwards jack-up top board 9, after the process that realizes unlocking consistent with above-mentioned.
After escape door 4 door-closing in-place, holder 15 triggers the first travel switch 16, sends escape door and to put in place signal.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this manual, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (11)
1. for a door lock for track traffic escape door, it is characterized in that, comprising:
Be fixed on the lock pin (2) on the lintel (1) of escape door (4);
Be coupling the lock collar (3) on escape door (4), and this lock collar (3) has the locking position fastened with lock pin (2) and the release position discharging lock pin (2);
Be arranged in escape door (4) for lock collar (3) being remained on the locking bar (5) of locking position.
2. the door lock for track traffic escape door according to claim 1, is characterized in that, described door lock comprises being arranged on and escape door (4) drives locking bar (5) rise with the driving mechanism discharging lock collar (3); The back-moving spring (8) ordering about locking bar (5) and decline is provided with between described escape door (4) and locking bar (5).
3. the door lock for track traffic escape door according to claim 2, it is characterized in that, the driving cam that described driving mechanism comprises the top board (9) fixing with described locking bar (5) and transfers on escape door (4), described driving cam outer rim and described top board (9) offset.
4. the door lock for track traffic escape door according to claim 3, is characterized in that, described driving cam has two, is respectively the first driving cam (10) and the second driving cam (11); Described escape door (4) is provided with the lock core (12) of band unlock position, and this lock core (12) and the first driving cam (10) link; Described escape door (4) is also provided with swing handle (13), and this swing handle (13) and the second driving cam (11) link.
5. the door lock for track traffic escape door according to claim 3, is characterized in that, the threshold (6) of described escape door (4) is provided with lockhole; The bottom of described locking bar (5) coordinates with lockhole grafting, and the top of described locking bar (5) is provided with the alignment pin (7) coordinated with lock collar (3).
6. the door lock for track traffic escape door according to claim 5, it is characterized in that, described lock collar (3) is provided with the fore shaft (3a) coordinated with described lock pin (2) and the positioning port (3b) coordinated with described alignment pin (7); Described alignment pin (7) have with locking bar (5) decline enter the first working position of described positioning port (3b) and climb away the second working position of described positioning port (3b) with locking bar (5).
7. the door lock for track traffic escape door according to claim 6, it is characterized in that, be provided with driving spring (14) between described escape door (4) and lock collar (3), described driving spring (14) enters release position for departing from positioning port (3b) rear drive lock collar (3) at alignment pin (7).
8. the door lock for track traffic escape door according to claim 7, is characterized in that, described escape door (4) top is along being provided with holder (15), and described lock collar (3) is arranged on this holder (15); Described holder (15) is provided with the stopper slot (15a) of arc, and described lock collar (3) is provided with the gag lever post (3c) slided along stopper slot (15a).
9. the door lock for track traffic escape door according to claim 8, it is characterized in that, described holder (15) is provided with the mounting groove (15b) arranged around lock collar (3) rotation, described driving spring (14) is arranged in mounting groove (15b), and two terminations of driving spring are fixed with lock collar (3) and mount pad (15) respectively.
10. the door lock for track traffic escape door according to the arbitrary claim of claim 1-9, it is characterized in that, the lintel (1) of described escape door (4) is provided with and triggers and then send first travel switch (16) of door lock locking signal by locking bar (5) and trigger and then send escape door by described escape door (4) and to put in place second travel switch (17) of signal.
11. door locks for track traffic escape door according to claim 5, is characterized in that, described locking bar (5) comprising:
Top is fixed with the upper lock rod (5a) of described alignment pin (7);
The lower locking bar (5b) that bottom coordinates with described lockhole;
By the connector (5c) that described upper lock rod (5a) and lower locking bar (5b) screw thread are fixed, this connector (5c) is fixed with described top board (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484387.8U CN204139777U (en) | 2014-08-26 | 2014-08-26 | A kind of door lock for track traffic escape door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484387.8U CN204139777U (en) | 2014-08-26 | 2014-08-26 | A kind of door lock for track traffic escape door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204139777U true CN204139777U (en) | 2015-02-04 |
Family
ID=52416472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420484387.8U Withdrawn - After Issue CN204139777U (en) | 2014-08-26 | 2014-08-26 | A kind of door lock for track traffic escape door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204139777U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196370A (en) * | 2014-08-26 | 2014-12-10 | 杭州优迈科技有限公司 | Door lock for rail transit emergency door |
| CN110761626A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Unlocking device and platform door |
| CN113914729A (en) * | 2021-10-21 | 2022-01-11 | 刘雄心 | Grooved pulley lock and opening and closing method |
| CN114482749A (en) * | 2020-10-23 | 2022-05-13 | 宁波中车时代传感技术有限公司 | Door body limiting device |
-
2014
- 2014-08-26 CN CN201420484387.8U patent/CN204139777U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196370A (en) * | 2014-08-26 | 2014-12-10 | 杭州优迈科技有限公司 | Door lock for rail transit emergency door |
| CN104196370B (en) * | 2014-08-26 | 2016-06-08 | 杭州优迈科技有限公司 | A kind of door lock for track traffic escape door |
| CN110761626A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Unlocking device and platform door |
| CN110761626B (en) * | 2018-07-27 | 2021-06-18 | 比亚迪股份有限公司 | Unlocking device and platform door |
| CN114482749A (en) * | 2020-10-23 | 2022-05-13 | 宁波中车时代传感技术有限公司 | Door body limiting device |
| CN114482749B (en) * | 2020-10-23 | 2023-09-05 | 宁波中车时代传感技术有限公司 | Door body limiting device |
| CN113914729A (en) * | 2021-10-21 | 2022-01-11 | 刘雄心 | Grooved pulley lock and opening and closing method |
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