CN102278022B - Compression bar type escape device - Google Patents
Compression bar type escape device Download PDFInfo
- Publication number
- CN102278022B CN102278022B CN201010200124.6A CN201010200124A CN102278022B CN 102278022 B CN102278022 B CN 102278022B CN 201010200124 A CN201010200124 A CN 201010200124A CN 102278022 B CN102278022 B CN 102278022B
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- plate
- pedestal
- handle
- axle
- beak
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- 230000006835 compression Effects 0.000 title claims abstract description 16
- 238000007906 compression Methods 0.000 title claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 47
- 210000003323 beak Anatomy 0.000 claims abstract description 34
- 239000002436 steel type Substances 0.000 claims description 11
- 241001484259 Lacuna Species 0.000 claims description 3
- 210000002105 tongue Anatomy 0.000 description 37
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
Relating to the technical field of safety doors, the invention especially relates to a compression bar type escape device, with which a safety door can be opened rapidly by pushing the compression bar, and provides a solution to the problem that present common locksets cannot open the door rapidly through an act when emergencies take place. The device comprises a main lock body, an upper lock body and a lower lock body of the same structure. The device is characterized in that the main lock body is provided with a pedestal and a main lock bolt. A handle is arranged at one end of the pedestal and is connected to the pedestal through a handle shaft, which is provided with a rear rotation plate. One end of the rear rotation plate and one surface of the main lock bolt are positioned on the working face of a front moving plate. A roller is equipped between the main lock bolt tail and the working face of the front moving plate, and the central section of the main lock bolt is provided with a lock bolt shaft. The front moving plate is equipped with a gib matching a moving plate, one end of which is connected to an upper connecting bar. A direction control column is provided at one end of the pedestal having the moving plate. The direction control column is connected to a beak plate that is in connection with the moving plate and is provided with a beak plate pin.
Description
Technical field
The present invention relates to safety door technical field, especially relating to a kind of promotion depression bar can quick opening safety door compression bar type escape device.
Background technology
When accident occurs, in emergency circumstances evacuate in time an interior personnel of crucial importance, safety door escape device is exactly to design for this reason, escape device is commonly called as push rod lock, be installed on the emergency exit door place of safety door, as accident, as fire, blast etc., can rapid evacuation crowd, reduce to greatest extent casualties.Existing safe escape door technology type is various, configurations.If patent publication No. is CN101131057 door lock for fire exit, in lock housing, being provided with can be by the location-plate of square tongue drawing plate locking, in lock housing, be also provided with wheel set assembly, driving lever, wheel set assembly and driving lever are arranged in lock housing rotationally, one end of driving lever is connected with square tongue drawing plate, wheel set assembly right side has the first moving arm being connected with latch bolt drawbar, left side has the second moving arm, on location-plate, there is stopper, the second moving arm contacts cooperation with stopper, at the second moving arm, driving location-plate to move to square tongue drawing plate unlocks under state, the second moving arm can be conflicted and coordinate with the other end of driving lever, it is the quick opening square tongue of a kind of energy and latch bolt and the simple and reasonable door lock for fire exit.And for example patent publication No. is 2455872 security door lock for quick life savings; comprise the elements such as lock case chamber, lock, L shape hook portion, dead bolt and strike plate, device for regulating direction, inside and outside sliding piece, inside and outside pushing piece, downslide motion block, numerical control tooth plate processed, blocking sheet and turn-button; indoor being provided with of lock case given prominence to control tooth; the place, blocking sheet below of lock case chamber arranges a positioning body; device for regulating direction is located at strike plate top, and joins with dead bolt; In the bolt of the world, set firmly a collar, in the collar, be provided with one and join and locate the flexible fastening convex side of tool with L shape hook portion.Just like publication number, be also the horizontal type handspike burglar alarm escaping door lock that 2,791,188 1 kinds of CN have voice guide function, it is mainly comprised of mechanical device, electronic sensor parts and management control assembly.Safeguard device in tapered end makes dead bolt can not retract tapered end when prizing and realizes anti-theft feature; The control assembly that the switching value signal of the microswitch output of tapered end internal motion parts periphery is input to CPU supplies CPU judgement and carries out various interlocks and voice message.
Summary of the invention
The object of the invention is when meeting accident, can not realize the problem that an action can be opened the door fast in order to solve existing common lockset, a kind of reasonable in design is provided, in door, be provided with depression bar handle, be provided with outdoors emergent fore shaft, when depressing depression bar or opening emergent lock, just can make dead bolt closed, reach the object compression bar type escape device that opens the door fast.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of compression bar type escape device, comprise master lock body, the upper lock body that structure is identical and down lock body, it is characterized in that described master lock body is provided with pedestal, master lock tongue, one end of pedestal is provided with handle, handle is connected with pedestal by handle axle, handle axle is provided with rear rotor plate, one end of rear rotor plate and master lock tongue are arranged on the work plane of front movable plate, between the afterbody of master lock tongue and the work plane of front movable plate, be provided with roller, master lock tongue middle part is provided with dead bolt axle, front movable plate is provided with and draws pin, draw pin to coordinate with movable plate, one end of movable plate is connected with upper connecting rod, pedestal is being provided with the side of being provided with, one end control post of movable plate, and side's control post connects beak plate, and beak plate is connected with movable plate, and beak plate is provided with beak plate pin.
Master lock tongue is arranged on the work plane of front movable plate towards a face of bottom surface one side of channel steel shape pedestal, handle is provided with depression bar as boosting-rod, while running into unexpected incidents, press moulded rod, handle rotates with handle axle, roller before handle jack-up on rotor plate, roller lifts the tail end of master lock tongue, and master lock tongue is closed after dead bolt axle rotates.Meanwhile, front rotor plate can rotate by winding board axle, and the pin that draws being riveted on front rotor plate moves towards handle direction, draw pin to be arranged in the groove of movable plate, movable plate also moves towards handle direction, and movable plate drives upper connecting rod, and upper connecting rod makes the upper lock tongue in upper lock body closed by upper lock body.Bearing pin on rotor plate after rotor plate jack-up before the other end of pedestal, rear rotor plate rotates around handle axle, and one end of lower connecting rod is fixed on rear rotor plate, and lower connecting rod just moves towards upper connecting rod direction, completes down lock body closure.Dead bolts upper and lower like this, three directions of a side are simultaneously closed after pressing down-pressed pole.
In the other one side of door, as face outdoors, with external handle rotating square bar, square bar interlock side control post rotates, and the plectrum on side's control post pulls beak plate, and movable plate moves to handle direction equally, drives upper connecting rod to move to handle direction, and upper lock body dead bolt is closed.After movable plate moves to handle direction, promote the pin that draws on front rotor plate, front rotor plate winding board axle rotates, roller on front rotor plate will be by master lock tongue rear end jack-up, make master lock tongue closed, simultaneously front rotations front edge of board is by the bearing pin jack-up on rear rotor plate, and rear rotor plate rotates around handle axle, and drive lower connecting rod moves and by lower dead bolt closure towards handle direction.
As preferably, described pedestal is channel steel type, and pedestal has the cuboid in built-in space, and the head of master lock tongue coordinates with the interporal lacuna that pedestal cuboid side is offered.Foundation design is that channel steel shape structure adds a capping, and two ends are used for installing, lower connecting rod, master lock tongue with upper lock body, down lock body in vertical mutual alignment.
As preferably, described rear rotor plate is arranged on a side of handle, is provided with first and turns spring between a side of the opposite side of rear rotor plate and pedestal, and first one end that turns spring is positioned on handle, and the other end is positioned on pedestal.One end of handle, one end of rear rotor plate, first turn spring and are all rationally assemblied in handle axle, and are arranged in the built-in space of pedestal channel steel shape; First turns spring resets to handle.
As preferably, described rear rotor plate is provided with into the axis hole that angular position is arranged, and one be handle axle installing hole, and one also has one for the pin shaft hole of installation lower connecting rod for the hole of rotor plate bearing pin is installed, and rotor plate bearing pin is positioned on the work plane of front movable plate.The angular position axis hole of rear rotor plate has formed rotor plate bearing pin, handle, lower connecting rod and as different directions, has moved or rotated the basis that reaches work object; Rotor plate bearing pin moves as camber line on a work plane of front movable plate.
As preferably, described dead bolt axle arranges along the cuboid length direction of pedestal, and one end of dead bolt axle is provided with second and turns spring.Because master lock tongue is axially vertical with pedestal, as the horizontal lock body of safety door, the motion of master lock tongue is that to take pedestal be axially the rotation of axis of rotation, and second turns spring to master lock tonguing horizontal reset, and dead bolt axle is fixed on base body.
As preferably, described front movable plate is fixed on by plate axle on the two sides of pedestal, and plate axle is provided with axle sleeve, and the work plane of front movable plate is arranged on its thickness direction and work plane is curved surface.Axle sleeve positions front movable plate, and component movement direction is required sets by each for the work plane of front movable plate, and to require to want power required in motion process be minimum.
As preferably, described upper lock body is provided with lock, upper lock is channel steel type structure, in the groove of channel steel type, is provided with slurcam, one end connecting pipe of slurcam, the other end of slurcam coordinates with upper lock tongue, upper connecting rod is connected with pipe, and a side of slurcam is provided with fixed guide pin, in the groove of upper lock, is provided with torsional spring, torsional spring is positioned at and revolves on spring axle, revolves spring axle and is fixed in lock.The channel steel type structure of upper lock is with shrouding sealing after each parts assembling, and slurcam is lock slip on edge under the pulling force of pipe, drives the linkage pin on upper lock tongue during slip, and upper lock tongue is rotated; Torsional spring resets to upper lock tongue.
As preferably, described side's control post is provided with plectrum, and plectrum coordinates with beak plate, and a side of beak plate is provided with safeguard, and beak plate is provided with beak plate pin.Plectrum can be designed to one with side's control post, and plectrum moves with the rotation of side's control post; If make the outside door of not opening after handle rotating, as long as make inclined-plane that safeguard is provided with by the beak plate pin jack-up on beak plate, the height of beak plate one end is higher than the plectrum on side's control post, and plectrum is dialled less than beak plate, and outside handle dallies and do not open door.
As preferably, the described external square bar of side's control post, square bar coordinates with external-open door lock.Outer side of door handle opening device and outer side of door locking device can be installed separately, and under case of emergency, the rescue personnel of outer side of door is by the supporting handle opening device opening safety door of square bar.
Effective effect of the present invention is: this device combines lever principle, mechanical linkage and wedge sliding mechanism, makes a plurality of lock points can just can complete rapidly by a simple motion unlatching of door; Outer side of door handle opening device and outer side of door locking device are installed separately, avoid general replacing and maintenance with lock, thereby save replacement cost, after outer side of door locking device pins, after outer side of door handle is stressed, can dally, to protect the internal construction of escape device not to be damaged; Lock core can be made management system lock core; The scope of application is wide, and the I of stile width reaches 45mm, and general flat push type escape device stile width is not less than 70mm, and the width of door only need be adjusted depression bar length, and during other flat push type escape device length adjustment, needs sawed-off afterbody to reach the length of lock body.
Therefore, the present invention is a kind of reasonable in design, and safe ready is supporting various, uses the compression bar type escape device of flexibility and reliability.
Accompanying drawing explanation
Fig. 1 is a kind of master lock body profile structural representation of the present invention.
Fig. 2 is a kind of main TV structure schematic diagram of the present invention.
Fig. 3 is the G-G sectional structure schematic diagram of Fig. 2 of the present invention.
Fig. 4 is the M-M sectional structure schematic diagram of Fig. 2 of the present invention.
Fig. 5 is the N-N sectional structure schematic diagram of Fig. 2 of the present invention.
Fig. 6 is a kind of upper lock body structural representation of the present invention.
Fig. 7 is the plan structure schematic diagram of Fig. 6 of the present invention.
Fig. 8 is a kind of use state example structure schematic diagram of the present invention.
In figure: 1. handle, 2. pedestal, 3. rotor plate bearing pin, 4. roller, 5. front movable plate, 6. plate axle, 7. depression bar, 8. movable plate, 9. beak plate, 10. post is controlled in side, 11. pipes, 12. plectrums, 13. revolve spring axle, 14. safeguards, 15. torsional springs, 16. axle sleeves, 17. master lock tongues, 18. dead bolt axles, 19. handle axle, 20. rear rotor plates, 21. first turn spring, 22. beak plate pins, 23. square bars, 24. lower connecting rods, 25. second turn spring, 26. draw pin, 27. upper connecting rods, 28. upper lock tongues, lock on 29., 30. slurcams, 31. fixed guide pins, A. master lock body, B. upper lock body, C. down lock body, E. depression bar, D. auxiliary lock body.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Referring to Fig. 8, a kind of compression bar type escape device of the present embodiment, comprise master lock body A, be arranged on the upper lock body B of master lock body A top, be arranged on the down lock body C of master lock body A below, between master lock body A and down lock body C, by lower connecting rod 24, pipe 11, be connected, establish a depression bar E vertical with handle 1, depression bar E connects the auxiliary lock body D parallel with master lock body A.
As shown in Figure 1 and Figure 2, master lock body is provided with the pedestal 2 of channel steel type, the head of master lock tongue 17 coordinates with the interporal lacuna that the side of pedestal 2 channel steel types is offered, one end of pedestal is provided with handle 1, handle 1 is provided with the hole that depression bar 7 is installed, one end of handle 1 is provided with the hole coordinating with handle axle 19, handle 1 is connected on pedestal 2 by handle axle 19, in handle axle 19 after a side of handle is also provided with rotor plate 20, between the opposite side of rear rotor plate 20 and pedestal 2 channel-section steel one medial surfaces, being provided with first turns spring 21, the first and turns 21 two terminations of spring and be separately fixed on handle 1 and pedestal 2.
In one end of front movable plate 5, be provided with and draw pin 26, movable plate 8 to be provided with spill hook groove, draw pin 26 to coordinate with spill hook groove, the other end of movable plate 8 is connected with upper connecting rod 27 use bolts, as shown in Figure 5.
Referring to Fig. 3, pedestal 2 is being provided with the end position side of being provided with a control post 10 of movable plate 8, it is vertical that side control post 10 installation directions and master lock tongue 17 stretch out direction, on side's control post 10, fix a plectrum 12, plectrum 12 coordinates with beak plate 9, beak plate 9 is connected with movable plate 8 again, and beak plate 9 is provided with beak plate pin 22, as shown in Figure 4.
Upper lock body B is identical with the structure of down lock body C, and installation direction is contrary.Referring to Fig. 6, Fig. 7, upper lock body is provided with lock 29, upper lock 29 is channel steel type structure, in the groove of channel steel type, be provided with slurcam 30, one end fixing tube 11 of slurcam 30, the pin that draws that the other end of slurcam 30 is provided with upper lock tongue 28 coordinates, pipe 11 is connected with upper connecting rod 27, slurcam 30 is provided with fixed guide pin 31 towards a side of pipe 11, the two ends of fixed guide pin 31 are fixed on the channel-section steel two side of lock 29, the inherent slurcam 30 of groove of a upper lock 29 upward side of lock 29 channel-section steel openings is provided with torsional spring 15, torsional spring 15 is sleeved on and revolves on spring axle 13, revolving spring axle 13 is fixed on the two side of lock 29.Slurcam 30 slides in upper lock 29 channel-section steels.
Action one, when press down-pressed pole 7, handle 1 rotates around handle axle 19, and one end of handle 1 is the roller 4 on rotor plate 5 before jack-up up, and roller 4 jack-up master lock tongue 17 tail ends, make master lock tongue 17 closure after dead bolt axle 18 rotates.In the time of roller before one end jack-up of handle 1 on rotor plate 54, front rotor plate 5 winding board axles 6 rotate, the pin 26 that draws being now riveted on front rotor plate 5 moves to handle 1 direction, owing to drawing pin 26 to be arranged in the groove of movable plate 8, movable plate 8 also moves toward handle 1 direction simultaneously, the other end of movable plate 8 is connected with upper connecting rod 27 with bolt, and upper connecting rod 27 is also moved to handle 1 direction, and at this moment upper connecting rod 27 just can be by pipe 11 by 28 closures of the upper lock tongue in upper lock body B.And the rotor plate bearing pin 3 on rotor plate 20 after one end jack-up of front rotor plate 5, rear rotor plate 20 will rotate around handle axle 19, rear rotor plate 20 connects lower connecting rod 24 on a leg-of-mutton angle, lower connecting rod 24 moves towards upper connecting rod 27 directions, and lower connecting rod 24 just can be closed by the dead bolt in down lock body C by pipe.The dead bolt of such three different directions is closed at one time after pressing down-pressed pole 7, reaches the object of opening the door fast.
Action two, side's control post 10 joins with square bar 23, the external handle of square bar 23, when rotating handle, square bar 23 drive side's control posts 10 rotate, and the plectrum 12 on side's control post 10 is stirred beak plate 9, and bird flap 9 links together with movable plate 8, now movable plate 8 moves toward handle 1 direction, drive upper connecting rod 27 toward lower connecting rod 24 directions move and by pipe by 28 closures of the upper lock tongue in upper lock body B.After movable plate 8 moves to handle direction on the moving plate 5 of promotion forward, draw pin 26, front rotor plate 5 winding board axles 6 rotate, roller 4 on front rotor plate 5 will be by master lock tongue 17 rear end jack-up, make master lock tongue 17 closed after dead bolt axle 18 rotates, front rotor plate 5 one end are by bearing pin 3 jack-up on rear rotor plate 20 simultaneously, rear rotor plate 20 rotates around handle axle 19, and driving lower connecting rod 24 to move toward upper connecting rod 27 directions also can be closed by the dead bolt in down lock body by pipe.The dead bolt of such three different directions can be simultaneously closed after rotating outside handle, reaches the object of opening the door fast.
State three, if do not open door outside making after handle rotating, as long as the tapered end shifting block device in master lock body A is stirred to safeguard 14, the inclined-plane that safeguard 14 is provided with is by beak plate pin 22 jack-up on beak plate 9, the height of beak plate one end is higher than the plectrum 12 on side's control post 10,12 groups of plectrums are less than beak plate 9, and at this moment outside handle is with regard to idle running and the door of not opening.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any structure after simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (7)
1. a compression bar type escape device, comprise master lock body, the upper lock body that structure is identical and down lock body, it is characterized in that described master lock body is provided with pedestal (2), master lock tongue (17), one end of pedestal (2) is provided with handle (1), handle (1) is connected with pedestal (2) by handle axle (19), handle axle (19) is provided with rear rotor plate (20), one end of rear rotor plate (20) and master lock tongue (17) are arranged on the work plane of front movable plate (5), between the work plane of the afterbody of master lock tongue (17) and front movable plate (5), be provided with roller (4), master lock tongue (17) middle part is provided with dead bolt axle (18), front movable plate (5) is provided with and draws pin (26), draw pin (26) to coordinate with movable plate (8), one end of movable plate (8) is connected with upper connecting rod (27), pedestal (2) is being provided with the side of being provided with, one end control post (10) of movable plate (8), and side's control post (10) connects beak plate (9), and beak plate (9) is connected with movable plate (8), and beak plate (9) is provided with beak plate pin (22), described side's control post (10) is provided with plectrum (12), and plectrum (12) coordinates with beak plate (9), and a side of beak plate (9) is provided with safeguard (14), and beak plate (9) is provided with beak plate pin (22), described upper lock body is provided with lock (29), upper lock (29) is channel steel type structure, in the groove of channel steel type, be provided with slurcam (30), one end connecting pipe (11) of slurcam (30), the other end of slurcam (30) coordinates with upper lock tongue (28), upper connecting rod (27) is connected with pipe (11), one side of slurcam (30) is provided with fixed guide pin (31), in the groove of upper lock (29), be provided with torsional spring (15), torsional spring (15) is positioned at and revolves spring axle (13) above, revolves spring axle (13) and is fixed in lock (29).
2. compression bar type escape device according to claim 1, is characterized in that described pedestal (2) is channel steel type, and pedestal (2) has the cuboid in built-in space, and the head of master lock tongue (17) coordinates with the interporal lacuna that pedestal (2) cuboid side is offered.
3. compression bar type escape device according to claim 1, it is characterized in that described rear rotor plate (20) is arranged on a side of handle (1), between one side of the opposite side of rear rotor plate (20) and pedestal (2), be provided with first and turn spring (21), it is upper that first one end that turns spring (21) is positioned at handle (1), and first other end that turns spring (21) is positioned on pedestal (2).
4. according to the compression bar type escape device described in claim 1 or 3, it is characterized in that described rear rotor plate (20) is provided with into the axis hole that angular position is arranged, one is handle axle (19) installing hole, one for installing the hole of rotor plate bearing pin (3), also have one for the pin shaft hole of lower connecting rod (24) is installed, rotor plate bearing pin (3) is positioned on the work plane of front movable plate (5).
5. compression bar type escape device according to claim 1, is characterized in that described dead bolt axle (18) arranges along the cuboid length direction of pedestal (2), and one end of dead bolt axle (18) is provided with second and turns spring (25).
6. compression bar type escape device according to claim 1, it is characterized in that described front movable plate (5) is fixed on the two sides of pedestal (2) by plate axle (6), plate axle (6) is provided with axle sleeve (16), and the work plane of front movable plate (5) is arranged on its thickness direction and work plane is curved surface.
7. compression bar type escape device according to claim 1, is characterized in that described side's control external square bar of post (10) (23), and square bar (23) coordinates with external-open door lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010200124.6A CN102278022B (en) | 2010-06-13 | 2010-06-13 | Compression bar type escape device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010200124.6A CN102278022B (en) | 2010-06-13 | 2010-06-13 | Compression bar type escape device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278022A CN102278022A (en) | 2011-12-14 |
| CN102278022B true CN102278022B (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010200124.6A Expired - Fee Related CN102278022B (en) | 2010-06-13 | 2010-06-13 | Compression bar type escape device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102278022B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695774B (en) * | 2015-01-16 | 2017-01-25 | 余姚市达尔曼五金有限公司 | Press type escape lock |
| CN106088896B (en) * | 2016-08-25 | 2018-06-19 | 赵烁 | A kind of Side window of vehicle on-off structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849067Y (en) * | 2005-11-11 | 2006-12-20 | 方大集团股份有限公司 | Push rod device used for emergency door lock |
| CN101210465B (en) * | 2006-12-28 | 2012-03-14 | 方大集团股份有限公司 | Pushing bar lock |
| CN101481970B (en) * | 2009-02-24 | 2012-06-06 | 李宝强 | Rapid escape lock |
| CN201794398U (en) * | 2010-06-13 | 2011-04-13 | 余姚市达尔曼五金有限公司 | Pressure lever type escape system |
-
2010
- 2010-06-13 CN CN201010200124.6A patent/CN102278022B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN102278022A (en) | 2011-12-14 |
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