CN107448065A - Shield door electronic locking device - Google Patents

Abstract

The present invention provides a kind of shield door electronic locking device, including：Drive division, the link gear for locking sliding door and the position detection unit for detecting link gear position, the drive division includes the coil and lock core being coaxially disposed, the lock core moves back and forth under the electromagnetic action of coil, and the link gear is connected with lock core and moved back and forth under the drive of lock core；The present invention has the characteristics that simple in construction, stable performance, reliability are high, net synchronization capability is good, the long-life, and signal can be furnished with detection unit in place for unblock signal, locking in place, can accurately find out the working condition of electronic locking device.

Description

Screen door electronic locking device

technical field

The invention relates to the fields of mechanics and electricity, in particular to an electronic locking device for a screen door.

Background technique

The platform screen door is a high-tech product integrating construction, machinery, materials, electronics and information, and is usually used on subway platforms. The screen door separates the platform from the train running area, and is controlled by the control system to open automatically. At present, the platform screen doors in China are all designed with a locking device to ensure that the sliding door is locked after the sliding door is closed in place to prevent it from being damaged due to piston wind. Or passengers open the sliding door, thereby causing a safety accident; domestic platform screen door locking devices are divided into mechanical locking devices and electronic locking devices.

At present, although there are many types of electronic locking devices, they usually have various deficiencies, such as relatively complex structure, unstable performance, low reliability, poor synchronization performance, high requirements for door adjustment accuracy, short service life and Shortcomings such as the working state of the electronic locking device cannot be detected accurately, therefore, a new electronic locking device for screen doors is urgently needed to overcome the above-mentioned shortcomings.

Contents of the invention

In view of the above-mentioned shortcomings of the prior art, the present invention provides an electronic locking device for a shielded door to solve the above-mentioned technical problems.

The electronic locking device for screen doors provided by the present invention includes: a locking part and a detection unit for detecting the state of the electronic locking device, the locking part includes a coil, movable parts and a linkage mechanism for locking the sliding door, The movable part reciprocates under the electromagnetic action of the coil, and the movable part is connected with the linkage mechanism.

Further, it also includes a casing, the coil, the movable part and the detection unit are arranged inside the casing, the movable part is connected with the linkage mechanism, and the position detection unit is arranged on the top of the casing.

Further, the locking part also includes a magnetically conductive base, the movable part includes a lock shaft, a lock core and a sliding part, the coil is coaxially arranged with the lock shaft, the sliding part is coaxially arranged with the lock shaft, and is connected online Under the electromagnetic action of the ring, it reciprocates along the lock shaft, the bottom of the sliding part is fixedly connected with the lock core, and the lock core passes through the bottom of the housing to connect with the linkage mechanism.

Further, the magnetically conductive base is provided with a groove, and the top of the sliding part is provided with a convex structure matching the groove. When the coil is energized, the convex structure at the top of the sliding part slides into the inside the groove.

Further, the lock core is detachably connected to the linkage mechanism, the lock core is detachably connected to the sliding part, and a shock absorbing device is arranged between the sliding part and the lock core.

Further, an elastic component for resetting the lock cylinder is provided between the sliding part and the magnetically conductive base.

Further, the elastic component is a spring.

Further, it also includes a fixing device for fixing, the fixing device is arranged at the bottom of the casing, and the fixing device is detachably connected with the casing.

Further, the linkage mechanism includes a fixing part and a locking part for locking the sliding door, and the linkage mechanism is detachably connected to the lock cylinder through the fixing part.

Beneficial effects of the present invention: In the electronic locking device for shielded doors in the present invention, when the coil is energized, a magnetic field is generated in the vertical direction of the coil, and the lock cylinder is sucked up, driving the linkage mechanism to move upward, thereby realizing the unlocking function. When the power is off, the magnetic field disappears, and the lock cylinder falls due to the gravity and the reaction force of the internal spring, which drives the linkage mechanism to move downward, and blocks the left and right sliding doors of the platform screen door to achieve the effect of locking the sliding door. The invention has a structural Simple, stable performance, high reliability, good synchronization performance, long life, good fault tolerance, etc., the unlocking in place signal and locking in place signal can be equipped with detection units, which can accurately detect the working status of the electronic locking device.

Description of drawings

Fig. 1 is a schematic structural diagram of an electronic locking device for a screen door in an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the electronic locking device for the screen door in the embodiment of the present invention.

Fig. 3 is a B-B sectional view of the electronic locking device for the screen door in the embodiment of the present invention.

detailed description

Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implementation, and the component layout type may also be more complicated.

As shown in Figures 1, 2 and 3, the electronic locking device for shielded doors in this embodiment includes: a locking part and a detection unit 1 for detecting the state of the electronic locking device, and the locking part includes a coil 10, The movable part and the linkage mechanism 4 for locking the sliding door, the movable part reciprocates under the electromagnetic action of the coil 10 , and the movable part is connected with the linkage mechanism 4 .

In this embodiment, when the coil 10 is energized, a magnetic field is generated in the vertical direction of the coil 10, and the lock cylinder 3 is sucked up, driving the linkage mechanism to move upward, thereby realizing the unlocking function; but when the coil 10 is powered off, the magnetic field disappears , the lock core 3 and the linkage mechanism 4 fall due to gravity, and the linkage mechanism 4 also moves downwards, blocking the left and right two sliding doors of the platform screen door to achieve the effect of locking the sliding doors. The position detection unit 1 in this implementation can judge the working state of the electronic locking device according to the unlocked in-position signal and the locked in-position signal, and the judgment result is accurate, with stable performance and high reliability.

In this embodiment, the coil 10, the movable part and the position detection unit 1 are arranged inside the casing 2, the movable part passes through the bottom of the casing 2 and is connected to the linkage mechanism 4, and the detection unit 1 is arranged on the top of the casing 2, as shown in the figure As shown in 2, the detection unit 1 in this embodiment is a sensor 21, which can detect that the sliding part slides to the unlocked position or the locked position, and then judge the locking state of the electronic locking device for the shielded door, greatly providing the electronic locking device for the shielded door. reliability and stability.

In this embodiment, the locking part also includes a magnetically conductive base 12, and the movable part includes a lock shaft, a lock core 3 and a sliding part. The lock core 3 passes through the bottom of the housing and is connected to the linkage mechanism 4. The shaft is coaxially arranged, the sliding part is coaxially arranged with the lock shaft, and reciprocates along the lock shaft under the electromagnetic action of the coil, the bottom of the sliding part is fixedly connected with the lock core, and the magnetically conductive base 12 is provided with a groove, so The top of the sliding part is provided with a convex structure matching the groove, and when the coil is energized, the convex structure at the top of the sliding part slides into the groove under electromagnetic action. The lock core 3 is detachably connected to the linkage mechanism 4, the lock core 3 is detachably connected to the sliding part, and a shock absorbing device is arranged between the sliding part and the lock core, and the force can be increased through the groove-shaped structure The area reduces the impact force brought by the contact between the top of the sliding part and the magnetic base during suction, and the shock absorbing device between the sliding part and the lock cylinder can improve the service life of the electronic locking device of the screen door.

In this embodiment, it also includes a housing 2, the coil is arranged inside the housing 2, the lock core 3 passes through the bottom of the housing 2 and is connected to the linkage mechanism 4, and the position detection unit is arranged on the top of the housing.

In this embodiment, it also includes a power supply interface 5 for providing electric energy to the coil, through which the coil can be powered, and the position detection unit can also be powered, and the controller can control the working state of the coil through the power supply interface 5, thereby Realize the locking and unlocking control of the electronic locking device of the shielded door.

In this embodiment, the housing 2 is also provided with an elastic component connected to the lock cylinder 3 to provide elastic assistance for the reset of the lock cylinder 3. The elastic component is arranged between the sliding part and the magnetically conductive base 12 to make the lock The core is reset. Preferably, the spring 29 is used as the elastic component in this embodiment, but when the coil is powered off, the magnetic field disappears, and the lock core falls due to gravity and the reaction force of the internal spring 29, and the linkage mechanism 4 also moves downwards and is stuck. The two sliding doors on the left and right of the platform screen door can achieve the effect of locking the sliding doors.

In this embodiment, an installation and fixing hole 6 for fixing is provided on the outside of the housing, through which the fixing hole 6 can facilitate installation and fixing. The linkage mechanism 4 in this embodiment includes a fixing part 8 and a locking mechanism for locking the sliding door. The locking part 7, as shown in Figures 1 and 3, the locking part 7 is a concave structure, and the locking part 7 includes two deadbolts 24 and 25, which can cooperate with the fixing device pre-set on the screen door or platform to realize the locking of the sliding door. Locking, for example, the two lock tongues 24 and 25 of the concave structure can be stuck on the fixing device, and the fixing device is clamped by the two lock tongues 24 and 25, thereby limiting the sliding of the sliding door, fixing the sliding door, and the linkage mechanism 4. The fixed part 8 is detachably connected to the lock cylinder 3, and the installation and disassembly process is very convenient, which is convenient for maintenance.

The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention should still be covered by the claims of the present invention.

Claims (9)

1. A kind of 1. shield door electronic locking device, it is characterised in that including：Tight lock part and for detecting electronic locking device state Detection unit, the tight lock part includes coil, movable part and the link gear for locking sliding door, the movable part Moved back and forth under the electromagnetic action of coil, the movable part is connected with link gear.
2. 2. shield door electronic locking device according to claim 1, it is characterised in that：Also include housing, the coil, work Dynamic component and detection unit are arranged at enclosure interior, and the position detection unit is arranged at housing inner top.
3. 3. shield door electronic locking device according to claim 2, it is characterised in that：The tight lock part also includes magnetic conduction bottom Seat, the movable part include lock shaft, lock core and sliding part, and the coil is coaxially disposed with lock shaft, the sliding part and lock shaft It is coaxially disposed, and is moved back and forth under the electromagnetic action of coil along lock shaft, the sliding part bottom is fixedly connected with lock core, described Lock core is connected through housing bottom with link gear.
4. 4. shield door electronic locking device according to claim 3, it is characterised in that：The magnetic conduction base is provided with recessed Groove, the sliding part top are provided with the convex shape coordinated with the groove, when the coil is energized, the sliding part top Convex shape is slipped under electromagnetic action in the groove.
5. 5. shield door electronic locking device according to claim 3, it is characterised in that：The lock core and link gear are removable Formula connection, the lock core and sliding part detachable connection are unloaded, damping device is provided between the sliding part and lock core.
6. 6. shield door electronic locking device according to claim 3, it is characterised in that：The sliding part and magnetic conduction base it Between be provided with for make lock core reset elastomeric element.
7. 7. shield door electronic locking device according to claim 6, it is characterised in that：The elastomeric element is spring.
8. 8. shield door electronic locking device according to claim 2, it is characterised in that：Also include for fixed fixed dress Put, the fixing device is arranged at housing bottom, the fixing device and housing detachable connection.
9. 9. shield door electronic locking device according to claim 2, it is characterised in that：The link gear, which is set, to be included admittedly Determine portion and the sticking department for locking sliding door, the link gear passes through fixed part and lock core detachable connection.