CN109538004B - Electromagnetic lock for shielding door of rail transit platform - Google Patents
Electromagnetic lock for shielding door of rail transit platform Download PDFInfo
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- CN109538004B CN109538004B CN201811510120.0A CN201811510120A CN109538004B CN 109538004 B CN109538004 B CN 109538004B CN 201811510120 A CN201811510120 A CN 201811510120A CN 109538004 B CN109538004 B CN 109538004B
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- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0004—Lock assembling or manufacturing
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
A rail transit platform screen door electromagnetic lock comprising: lock frame, locking piece rotary mechanism, electric driving mechanism and manual unblock connecting rod, locking piece rotary mechanism is including rotating locking piece and elastic component, rotates the locking piece rotation and sets up on the lock frame. According to the electromagnetic lock for the track traffic platform screen door, the lock frame, the lock block rotating mechanism, the electric driving mechanism and the manual unlocking connecting rod are arranged, the lock frame is used for installing the lock block rotating mechanism, the electric driving mechanism and the manual unlocking connecting rod, the electric driving mechanism is used for driving the lock block rotating mechanism to unlock or lock the screen door, and the manual unlocking connecting rod is used for driving the lock block rotating mechanism to unlock the screen door.
Description
Technical Field
The invention relates to the technical field of electromagnetic locks, in particular to an electromagnetic lock for a shielding door of a rail transit platform.
Background
With the development of China infrastructure construction, rail transit is already the choice of many people to go out, and passenger safety is also becoming more and more important. The platform screen door has the effects of improving the environment of a train platform and guaranteeing the riding safety of passengers, and is wider in application. The rail transit platform screen door is arranged at the edge of a station platform, the rail is isolated from a platform waiting area, and the rail transit platform screen door corresponds to the train door, and the opening and closing of the door are controlled by virtue of a locking mechanism and an unlocking mechanism.
At present, the shielding door electromagnetic lock does not have unified and standard in China, and the locks on the market have the following problems:
1) The structure is complicated, and the assembly efficiency of workers in the process of assembling the electromagnetic lock of the shielding door is low.
2) When the electromagnetic lock of the shielding door is unlocked or locked, the electromagnetic lock of the shielding door can be blocked and cannot be reset.
3) The electromagnetic lock is unstable in unlocking and locking during working, and the failure rate is high.
Disclosure of Invention
The electromagnetic lock for the rail transit platform screen door provided by the invention aims to overcome the defects in the prior art, and is simple in structural design, simple in assembly process, high in reliability, good in usability, convenient to maintain, high in assembly efficiency and capable of effectively reducing material cost.
The aim of the invention is realized by the following technical scheme:
a rail transit platform screen door electromagnetic lock comprising:
The lock frame is provided with a lock frame,
The lock block rotating mechanism comprises a rotating lock block and an elastic piece, the rotating lock block is rotationally arranged on the lock frame, the elastic piece is respectively connected with the lock frame and the rotating lock block, and a clamping position is arranged on the rotating lock block;
The electric driving mechanism comprises an electric lifting device and a lifting rod, the electric lifting device is arranged on the lock frame and connected with the tilting end of the lifting rod, the electric lifting device is used for tilting the tilting end of the lifting rod when being electrified, the clamping end of the lifting rod is used for clamping the clamping position, the clamping end of the lifting rod is used for enabling the elastic piece to be in an extrusion state when being clamped with the clamping position, and the tilting end of the lifting rod is used for enabling the clamping end of the lifting rod to be in a clamping state when being tilted to release the clamping position so as to enable the elastic piece to push the rotating locking piece to rotate when being restored;
the manual unlocking connecting rod is used for pushing the tilting end of the lifting rod to tilt when being displaced.
In one embodiment, the lock frame comprises a fixed base and a supporting frame, and the supporting frame is arranged on the fixed base.
In one embodiment, the rotating lock block comprises an unlocking lock block, a rotating shaft and a shielding door stop block, the rotating shaft penetrates through the fixed base, the unlocking lock block and the shielding door stop block are respectively arranged on two ends of the rotating shaft, the unlocking lock block and the shielding door stop block are respectively arranged on two opposite sides of the fixed base, the elastic piece is sleeved on the rotating shaft, and the elastic piece is respectively connected with the fixed base and the unlocking lock block, and the unlocking lock block is provided with a clamping position.
In one embodiment, the elastic member is a spring or torsion spring.
In one embodiment, the shielding door stop is provided with a locking groove.
In one embodiment, the electric lifting device comprises an electromagnet and a movable rod, the electromagnet is arranged on the supporting frame, an adsorption movable hole is formed in the electromagnet, the movable rod penetrates through the adsorption movable hole, and the electromagnet is used for adsorbing movement of the movable rod when being electrified.
In one embodiment, the electric driving mechanism further comprises two unlocking signal switches, and the two unlocking signal switches are respectively arranged on two opposite side surfaces of the supporting frame.
In one embodiment, the lifting rod comprises an unlocking driving rod, an unlocking connecting rod and a hinging seat, the hinging seat is arranged on the fixed base, the unlocking connecting rod is hinged on the hinging seat, the unlocking driving rod penetrates through the supporting frame, the unlocking driving rod and the first end of the unlocking connecting rod are connected with the movable rod, the second end of the unlocking connecting rod is clamped on the clamping position, the electromagnet adsorbs the movable rod to move when being electrified, so that the unlocking driving rod opens the unlocking signal switch, and the tilting end of the unlocking connecting rod is tilted, so that the clamping end of the unlocking connecting rod is in a clamping state and the clamping state is released by the clamping position.
In one embodiment, the device further comprises a manual signal switch, wherein the manual signal switch is arranged on the fixed base.
In one embodiment, the manual unlocking connecting rod comprises an ejector rod, a return spring and a supporting block, wherein the ejector rod penetrates through the fixed base, the ejector rod faces to the movable rod, the return spring and the supporting block are respectively sleeved on the ejector rod, two ends of the return spring are respectively connected with the fixed base and the supporting block, and the ejector rod is used for opening the manual signal switch and pushing the movable rod to move when being displaced.
Compared with the prior art, the invention has at least the following advantages:
According to the electromagnetic lock for the track traffic platform screen door, the lock frame, the lock block rotating mechanism, the electric driving mechanism and the manual unlocking connecting rod are arranged, the lock frame is used for installing the lock block rotating mechanism, the electric driving mechanism and the manual unlocking connecting rod, the electric driving mechanism is used for driving the lock block rotating mechanism to unlock or lock the screen door, and the manual unlocking connecting rod is used for driving the lock block rotating mechanism to unlock the screen door.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an electromagnetic lock for a shield door of a rail transit platform according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of the electromagnetic lock of the shield door of the rail transit platform shown in FIG. 1;
FIG. 3 is a schematic view of a manual unlocking link of the electromagnetic lock of the rail transit platform screen door of FIG. 2;
Fig. 4 is a schematic structural view of another embodiment of an unlocking block of an electromagnetic lock of a screen door of a rail transit platform shown in fig. 2.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In order to better explain the electromagnetic lock of the rail transit platform screen door, the concept of the electromagnetic lock of the rail transit platform screen door is better understood. As shown in fig. 1, an electromagnetic lock 10 for a rail transit platform screen door, comprising: the lock frame 100, the lock block rotating mechanism 200, the electric driving mechanism 300 and the manual unlocking link 400 are respectively arranged on the lock frame 100.
It should be noted that, the lock frame 100 is used for installing the locking piece rotating mechanism 200, the electric driving mechanism 300 and the manual unlocking connecting rod 400, the electric driving mechanism 300 is used for driving the locking piece rotating mechanism 200 to unlock or lock the shielding door, and the manual unlocking connecting rod 400 is used for driving the locking piece rotating mechanism 200 to unlock the shielding door, so, through simple structural design, the assembly process is simple, the assembly efficiency can be improved, the material cost is reduced, and meanwhile, when the electromagnetic lock works, the electromagnetic lock has better usability, reliability and maintainability through unique unlocking or locking.
Referring to fig. 1, in the present embodiment, the lock frame 100 includes a fixed base 110 and a supporting frame 120, and the supporting frame 120 is disposed on the fixed base 110.
The fixing base 110 is provided with a mounting hole 111, and a screw is threaded through the mounting hole 111 to be connected with the shielding door control system box, so that the fixing base 110 and the shielding door control system box are fixed.
Referring to fig. 1 and 2, the lock block rotating mechanism 200 includes a rotating lock block 210 and an elastic member 220, the rotating lock block 210 is rotatably disposed on the lock frame 100, the elastic member 220 is respectively connected with the lock frame 100 and the rotating lock block 210, and a clamping position 210a is disposed on the rotating lock block 210; specifically, the rotating lock block 210 is used for unlocking or locking the shielding door, in addition, by connecting the twisted elastic piece 220 with the rotating lock block 210, when the rotating lock block 210 is clamped, the twisted elastic piece 220 cannot drive the rotating lock block 210 to rotate, and when the clamped state of the rotating lock block 210 is released, the twisted elastic piece 220 loses the external abutment and returns to the initial state, so as to drive the rotating lock block 210 to rotate.
Referring to fig. 1 and 2, in the present embodiment, the rotation lock block 210 includes an unlocking lock block 211, a rotating shaft 212 and a shielding door stop 213, the rotating shaft 212 is penetrated through the fixed base 110, the unlocking lock block 211 and the shielding door stop 213 are respectively disposed at two ends of the rotating shaft 212, the unlocking lock block 211 and the shielding door stop 213 are respectively disposed at two opposite sides of the fixed base 100, the elastic member 220 is sleeved on the rotating shaft 212, and the elastic member 220 is respectively connected with the fixed base 110 and the unlocking lock block 211, and the unlocking lock block 211 is provided with a clamping position 210a; specifically, when the twisted elastic member 220 returns to the initial state, the elastic member 220 drives the unlocking and locking block 211 to rotate, and the unlocking and locking block 211 drives the shielding door stop block 213 to rotate through the rotating shaft 212, wherein the elastic member 220 is a spring or torsion spring; the shielding door stop block 213 is provided with a locking groove 213a, the locking groove 213 is used for clamping a lock tongue of the shielding door, so that the shielding door cannot be opened, after the twisted elastic piece 220 loses the external supporting, the elastic piece 220 drives the unlocking locking piece 211 to rotate in the process of returning to the initial state, the unlocking locking piece 211 drives the shielding door stop block 213 to rotate through the rotating shaft 212, and the lock tongue of the shielding door is separated from the locking groove 213a, so that the shielding door can be opened.
Referring to fig. 1 and 2, the electric driving machine 300 includes an electric lifting device 310 and a lifting rod 320, the electric lifting device 310 is disposed on the lock frame 100, the electric lifting device 310 is connected with a tilting end of the lifting rod 320, the electric lifting device 310 is used for tilting the tilting end of the lifting rod 320 when being electrified, a clamping end of the lifting rod 320 is used for clamping a clamping 210a, a clamping end of the lifting rod 320 is used for enabling an elastic member 220 to be in an extrusion state when being clamped with the clamping position, and a tilting end of the lifting rod 320 is used for enabling the clamping end of the lifting rod 320 to be in a clamping state with the clamping position 210a when being tilted so as to enable the elastic member 220 to push the rotary lock block 210 to rotate when being recovered; specifically, when the electric lifting device 310 is powered on, the electric lifting device 310 drives the tilting end of the lifting rod 320 to tilt, so that the clamping end of the lifting rod 320 and the clamping position 210a are released from the clamping state, the elastic piece 220 loses the external support and returns to the initial state, in the process of returning the elastic piece 220, the elastic piece 220 drives the unlocking locking piece 211 to rotate, the unlocking locking piece 211 drives the shielding door stop block 213 to rotate through the rotating shaft 212, and the lock tongue of the shielding door is separated from the constraint of the locking groove 213a, so that the shielding door can be opened.
Referring to fig. 1, in the present embodiment, the electric driving mechanism 300 further includes two unlock signal switches 330, and the two unlock signal switches 330 are respectively disposed on two opposite sides of the supporting frame 120.
It should be noted that, the two unlock signal switches 330 are used to signal the shielding door control system, which is a common technology in the market, and will not be further described herein.
Referring to fig. 1, in the present embodiment, the electric lifting device 310 includes an electromagnet 311 and a movable rod 312, the electromagnet 311 is disposed on the support frame 120, the electromagnet 311 is provided with a suction movable hole 311a, the movable rod 312 is penetrated through the suction movable hole 311a, and the electromagnet 311 is used for sucking the movable rod 312 to move when being electrified; specifically, after the electromagnet 311 receives an external voltage, an electromagnetic force is generated such that the movable lever 312 moves upward within the attraction movable hole 311 a.
Referring to fig. 1, in the present embodiment, the lifting rod 320 includes an unlocking driving rod 321, an unlocking connecting rod 322 and a hinge seat 323, the hinge seat 323 is disposed on the fixed base 110, the unlocking connecting rod 322 is hinged on the hinge seat 323, the unlocking driving rod 321 penetrates through the supporting frame 120, the unlocking driving rod 321 and a first end of the unlocking connecting rod 322 are connected with the movable rod 312, a second end of the unlocking connecting rod 322 is clamped on the clamping position 210a, the electromagnet 311 adsorbs the movable rod 312 to move when being electrified, so that the unlocking driving rod 321 opens the unlocking signal switch 330, and a tilting end of the unlocking connecting rod 322 is tilted, so that a clamping end of the unlocking connecting rod 322 is in a clamping state with the clamping position 210 a.
It should be noted that, when the electromagnet 311 is energized, an electromagnetic force is generated to move the movable rod 312 upward in the adsorption movable hole 311a, the movable rod 312 drives the unlocking driving rod 321 to move upward and drives the tilting end of the unlocking connecting rod 322 hinged to the hinge base 323 to knock up. When the unlocking driving rod 321 moves upwards, the unlocking driving rod 321 opens the two unlocking signal switches 330, so that the two unlocking signal switches 330 send signals to the shielding door control system, meanwhile, the tilting end of the unlocking connecting rod 322 is knocked up, the clamping end of the unlocking connecting rod 322 and the clamping position 210a are in a clamping state, the elastic piece 220 loses the external supporting and holding, and when the elastic piece 220 returns to the initial state, the elastic piece 220 drives the unlocking locking piece 211 to rotate in the process of returning to the initial state, the unlocking locking piece 211 drives the shielding door stop block 213 to rotate through the rotating shaft 212, and the lock tongue of the shielding door is separated from the constraint of the locking groove 213a, so that the shielding door can be opened. After the control system of the shielding door receives the signals, the motor is started to open the shielding door of the platform, and passengers start getting on or off the vehicle.
It should be further noted that, after the passengers get on or off the vehicle, the platform screen door control system will send a door closing instruction, the screen door will stop powering on the electromagnet 311 after receiving the instruction, the movable rod 312 loses the adsorption of electromagnetic force, and returns to the initial position in the adsorption movable hole 311a, and in the process of closing the screen door, the coupler on the screen door will overcome the torsion of the elastic member 220, drive the screen door stop 213 to move, and the unlocking locking block 211 will also move with the screen door stop 213. When the shielding door is closed in place, the unlocking link 322 and the unlocking driving rod 321 are reset along with the recovery of the movable rod 312, so that the two unlocking signal switches 330 are also restored to the initial state, a signal of a locking state is sent to the shielding door control system, and the lock tongue of the shielding door is continuously clamped into the locking groove 213a, so that the shielding door cannot be opened, wherein the coupler of the shielding door and the shielding door control system are common technologies in the market, and no further description is given here.
Referring to fig. 1, it should be particularly noted that the support frame 120 is provided with a long hole 121, the unlocking driving rod 321 is penetrated through the long hole 121, and when the unlocking driving rod 321 moves upward or downward (the unlocking driving rod 321 returns to the state), the unlocking driving rod 321 moves linearly up and down in the long hole 121, so, compared with the conventional electromagnetic lock, the electromagnetic lock has the advantage that the unlocking driving rod 321 moves linearly, so that the jamming of the unlocking driving rod 321 is avoided, the stability of the electromagnetic lock in use is improved, and the failure rate is reduced.
Referring to fig. 2, the manual unlocking link 400 is displaced to lift the lift end of the lift lever 320.
Referring to fig. 2 and 3, in this embodiment, an electromagnetic lock for a shielding door of a rail transit platform further includes a manual signal switch 500, wherein the manual signal switch 500 is disposed on the fixed base 110; the manual unlocking connecting rod 400 comprises an ejector rod 410, a return spring 420 and a supporting block 430, wherein the ejector rod 410 penetrates through the fixed base 110, the ejector rod 410 is arranged towards the movable rod 312, the return spring 420 and the supporting block 430 are respectively sleeved on the ejector rod 410, two ends of the return spring 420 are respectively connected with the fixed base 110 and the supporting block 430, and the ejector rod 410 is used for opening the manual signal switch 500 and pushing the movable rod 312 to move when being displaced.
It should be noted that, when the shielding door control system fails, the unlocking signal switch 330 cannot be driven by the switch of the electromagnet 311, and manual unlocking is required at this time; by pressing the ejector rod 410, the ejector rod 410 pushes the movable rod 312 to move upwards, namely the unlocking driving rod 321 moves upwards, the unlocking driving rod 321 opens the two unlocking signal switches 330, the two unlocking signal switches 330 send signals to the shielding door control system, meanwhile, the tilting end of the unlocking connecting rod 322 is knocked up, the clamping end of the unlocking connecting rod 322 is in a clamping state with the clamping position 210a, the elastic piece 220 loses the external supporting, and when the elastic piece returns to the initial state, the elastic piece 220 drives the unlocking locking piece 211 to rotate, the unlocking locking piece 211 drives the shielding door stop 213 to rotate through the rotating shaft 212, and the locking tongue of the shielding door is separated from the constraint of the locking groove 213a, so that the shielding door can be opened, and the unlocking operation is completed on the shielding door.
It should be further noted that, during the manual unlocking process, the ejector rod 410 drives the manual signal switch 500 at the same time, so that the manual signal switch 500 starts to operate and transmits a manual unlocking signal to the control system through the signal line and the connection terminal. Therefore, the electromagnetic lock of the rail transit platform screen door has simple assembly process, can improve the assembly efficiency and reduce the material cost through simple structural design, and simultaneously, can complete the capability of the specified function under the specified condition and within the specified time interval when the electromagnetic lock works, thereby ensuring that the electromagnetic lock has better usability, reliability and maintainability.
Referring to fig. 4, in another embodiment of the unlocking and locking block 211, the clamping position 210a has two clamping position inclined planes 211a and a clamping position cambered surface 211b, and the arc length of the clamping position cambered surface is greater than the diameter of the clamping end of the unlocking connecting rod 322, so that the clamping end of the unlocking connecting rod 322 can enter the clamping position 210a in advance when the clamping end of the unlocking connecting rod 322 and the clamping position 210a form a clamping connection, and the clamping speed of the clamping end of the unlocking connecting rod 322 and the clamping position 210a can be increased, and meanwhile, the unlocking and locking block 211 has a certain redundancy.
Compared with the prior art, the invention has at least the following advantages:
according to the electromagnetic lock for the track traffic platform screen door, the lock frame, the lock block rotating mechanism, the electric driving mechanism and the manual unlocking connecting rod are arranged, the lock frame is used for installing the lock block rotating mechanism, the electric driving mechanism and the manual unlocking connecting rod, the electric driving mechanism is used for driving the lock block rotating mechanism to unlock or lock the screen door, and the manual unlocking connecting rod is used for driving the lock block rotating mechanism to unlock the screen door.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. An electromagnetic lock for a rail transit platform screen door, comprising:
The lock frame is provided with a lock frame,
The lock block rotating mechanism comprises a rotating lock block and an elastic piece, the rotating lock block is rotationally arranged on the lock frame, the elastic piece is respectively connected with the lock frame and the rotating lock block, and a clamping position is arranged on the rotating lock block;
The electric driving mechanism comprises an electric lifting device and a lifting rod, the electric lifting device is arranged on the lock frame and connected with the tilting end of the lifting rod, the electric lifting device is used for tilting the tilting end of the lifting rod when being electrified, the clamping end of the lifting rod is used for clamping the clamping position, the clamping end of the lifting rod is used for enabling the elastic piece to be in an extrusion state when being clamped with the clamping position, and the tilting end of the lifting rod is used for enabling the clamping end of the lifting rod to be in a clamping state when being tilted so as to enable the elastic piece to push the rotating locking piece to rotate when being restored;
The manual unlocking connecting rod is used for pushing the tilting end of the lifting rod to tilt when being displaced;
The lock frame comprises a fixed base and a supporting frame, and the supporting frame is arranged on the fixed base;
the electric lifting device comprises an electromagnet and a movable rod, the electromagnet is arranged on the support frame, an adsorption movable hole is formed in the electromagnet, the movable rod penetrates through the adsorption movable hole, and the electromagnet is used for adsorbing the movable rod to move when being electrified;
The electric driving mechanism further comprises two unlocking signal switches which are respectively arranged on two opposite side surfaces of the supporting frame;
the lifting rod comprises an unlocking driving rod, an unlocking connecting rod and a hinging seat, the hinging seat is arranged on the fixed base, the unlocking connecting rod is hinged to the hinging seat, the unlocking driving rod penetrates through the supporting frame, the first ends of the unlocking driving rod and the unlocking connecting rod are connected with the movable rod, the second end of the unlocking connecting rod is clamped on a clamping position, the electromagnet adsorbs the movable rod to move when being electrified, so that the unlocking driving rod opens the unlocking signal switch, and the tilting end of the unlocking connecting rod is tilted, so that the clamping end of the unlocking connecting rod is in a clamping state with the clamping position;
The support frame is provided with a long hole, the unlocking driving rod penetrates through the long hole, and when the unlocking driving rod moves upwards or downwards, the unlocking driving rod moves linearly upwards and downwards in the long hole.
2. The electromagnetic lock for the shielding door of the rail transit platform according to claim 1, wherein the rotating locking block comprises an unlocking locking block, a rotating shaft and a shielding door stop block, the rotating shaft penetrates through the fixed base, the unlocking locking block and the shielding door stop block are respectively arranged on two ends of the rotating shaft, the unlocking locking block and the shielding door stop block are respectively arranged on two opposite sides of the fixed base, the elastic piece is sleeved on the rotating shaft, the elastic piece is respectively connected with the fixed base and the unlocking locking block, and a clamping position is arranged on the unlocking locking block.
3. An electromagnetic lock for a rail transit platform screen door as claimed in claim 2, wherein the resilient member is a spring or torsion spring.
4. A rail transit platform screen door electromagnetic lock according to claim 3, wherein the screen door stop is provided with a locking groove.
5. The electromagnetic lock for a rail transit platform screen door of claim 4, further comprising a manual signal switch disposed on the stationary base.
6. The electromagnetic lock for a rail transit platform screen door according to claim 5, wherein the manual unlocking connecting rod comprises an ejector rod, a return spring and a supporting block, the ejector rod penetrates through the fixed base, the ejector rod faces to the movable rod, the return spring and the supporting block are respectively sleeved on the ejector rod, two ends of the return spring are respectively connected with the fixed base and the supporting block, and the ejector rod is used for opening the manual signal switch and pushing the movable rod to move when being displaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811510120.0A CN109538004B (en) | 2018-12-11 | 2018-12-11 | Electromagnetic lock for shielding door of rail transit platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811510120.0A CN109538004B (en) | 2018-12-11 | 2018-12-11 | Electromagnetic lock for shielding door of rail transit platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109538004A CN109538004A (en) | 2019-03-29 |
| CN109538004B true CN109538004B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811510120.0A Active CN109538004B (en) | 2018-12-11 | 2018-12-11 | Electromagnetic lock for shielding door of rail transit platform |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485824A (en) * | 2019-08-19 | 2019-11-22 | 广东永华通讯科技有限公司 | A kind of electromagnetic lock and subway shield door system |
| CN112814502A (en) * | 2021-03-05 | 2021-05-18 | 欧特美交通科技股份有限公司 | Vehicle door isolating device |
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| CN207583124U (en) * | 2017-09-19 | 2018-07-06 | 南京康尼机电股份有限公司 | A kind of electric locking device for subway shield door |
| CN108716318A (en) * | 2018-08-01 | 2018-10-30 | 江苏明伟万盛科技有限公司 | The universal slide machinery freeze mode electromagnetic lock of rail traffic platform door |
| CN209653606U (en) * | 2018-12-11 | 2019-11-19 | 创景传感工业(惠州)有限公司 | A kind of rail transit platform screen door electromagnetic lock |
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| CN109538004A (en) | 2019-03-29 |
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