CN211691917U

CN211691917U - Electromagnetic lock capable of being unlocked manually

Info

Publication number: CN211691917U
Application number: CN201922500101.6U
Authority: CN
Inventors: 林湛; 单超
Original assignee: Changzhou Varyag Electric Co ltd
Current assignee: Changzhou Varyag Electric Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-16
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an electromagnetic lock that can manually unblock, it relates to electromagnetic lock technical field, it includes the electromagnetic lock body, the electromagnetic lock body is installed on the door frame, the electromagnetic lock body is provided with the latch hook of symmetry setting towards shield door one side, the shield door top is connected with the locking separation blade about, and the locking separation blade is located the latch hook below, latch hook top fixed connection has the head rod of level setting, can dismantle the slide bar that is connected with vertical setting on the head rod, electromagnetic lock body top is equipped with the electro-magnet, the slide bar is kept away from one side of head rod and is inhaled the setting with the electro-magnet magnetism; the fixed cover of connecting rod circumference lateral wall is equipped with the unlocking ring, and the ascending decline of electromagnetic lock body is connected with manual unlocking piece, and manual unlocking piece is located the unlocking ring bottom. The utility model discloses have and when outage or electromagnetism release mechanism card was died appearing, can manually untie the shield door, prevent to cause the inconvenient effect of people's discrepancy subway.

Description

Electromagnetic lock capable of being unlocked manually

Technical Field

The utility model belongs to the technical field of the electromagnetic lock technique and specifically relates to an electromagnetic lock that can manual unblock is related to.

Background

The shielding door is also called a platform curtain door or a safety door, and is a door body structure which surrounds the space between a subway platform and a train track on the platform in a glass curtain wall mode, separates the platform from the train running area and is controlled to be automatically opened by a control system. When the train arrives, the electric shielding door on the glass curtain wall is opened for passengers to get on or off the train.

The existing subway shield door system comprises a shield door and a driving door machine, wherein an electromagnetic lock is arranged on the driving door machine, and locking separation blades matched with a lock hook of the electromagnetic lock are arranged at the top of the left shield door and the top of the right shield door. When the shielding door is closed, the locking separation blades are close to each other and are positioned below the electromagnetic lock, the electromagnetic lock falls down, and the lock hook of the electromagnetic lock is locked with the locking separation blades, so that the shielding door can be effectively locked, and passengers are prevented from opening the shielding door at will; when the shielding door is opened, the lock hook part of the electromagnetic lock moves upwards, and the locking separation blade can unlock the shielding door along with the separation of the shielding door, so that the shielding door can be opened.

The above prior art solutions have the following drawbacks: when the power failure occurs or the automatic unlocking mechanism of the electromagnetic lock is blocked, the shielding door is locked and cannot be manually unlocked, and inconvenience is easily caused when people go out.

SUMMERY OF THE UTILITY MODEL

According to the not enough of prior art existence, the utility model aims at providing a but electromagnetic lock of manual unblock has and when outage or electromagnetism release mechanism card was dead appearing, can manually untie the shield door, prevents to cause the inconvenient effect of people's discrepancy subway.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an electromagnetic lock capable of being manually unlocked comprises an electromagnetic lock body, wherein the electromagnetic lock body is installed on a door frame, symmetrically-arranged lock hooks are arranged on the electromagnetic lock body towards one side of a shielding door, locking separation blades are connected to the tops of a left shielding door and a right shielding door, the locking separation blades are located below the lock hooks, a horizontally-arranged first connecting rod is fixedly connected to the top of each lock hook, a vertically-arranged sliding rod is detachably connected to each first connecting rod, an electromagnet is arranged on the top of the electromagnetic lock body, and one side, away from the first connecting rod, of each sliding rod is magnetically attracted with the electromagnet; the fixed cover of connecting rod circumference lateral wall is equipped with the unlocking ring, the electromagnetic lock body goes up and down to be connected with manual unlocking piece, manual unlocking piece is located the unlocking ring bottom.

By adopting the technical scheme, when the shielding door is closed, the locking separation blade is positioned below the first connecting rod, the electromagnet is powered off, so that the sliding rod moves downwards under the influence of gravity of the sliding rod, and the locking hook can be buckled with the locking separation blade to lock the shielding door; when the shielding door needs to be opened, the electromagnet is electrified, so that the sliding rod is attracted by the electromagnet and moves to one side far away from the locking separation blade, and the shielding door is convenient to open; when outage or electromagnetism release mechanism card was dead appearing, can separate the catch through pressing down manual unlocking piece butt, the unblock ring receives the promotion and can drives the pole that slides to keeping away from locking separation blade one side displacement to can manually separate the locking of shield door, prevent to cause people to come in and go out the subway inconvenient.

The present invention may be further configured in a preferred embodiment as: the electromagnetic lock body comprises a first supporting plate and a second supporting plate which are perpendicular to each other, and the first supporting plate is vertically arranged and connected with the door frame; the sliding rod penetrates through the second support plate, and the unlocking ring is positioned above the second support plate; the manual unlocking piece comprises an unlocking rod and a fixing ring, the fixing ring is fixedly sleeved on the circumferential outer side wall of the unlocking rod and located above the second supporting plate, the unlocking rod penetrates through the second supporting plate, and the unlocking rod is located at the bottom of the unlocking ring.

Through adopting above-mentioned technical scheme, first backup pad is convenient for be connected of electromagnetic lock body and door frame, and the unblock pole is fixed when solid fixed ring bottom and second backup pad contact for prevent that the unblock pole from dropping, can unblock the catch through promoting the unblock pole butt, thereby drive the slide bar to keeping away from locking separation blade one side displacement, and can manually unblock the locking of shield door.

The present invention may be further configured in a preferred embodiment as: the manual unlocking assembly further comprises a lifting rod and a second connecting rod, the second connecting rod is horizontally arranged, the top of the second connecting rod is connected with the connecting rod and the lifting rod in a detachable mode, the lifting rod is arranged in parallel with the unlocking rod, the lifting rod is located far away from one side of the sliding rod, and the bottom of the second connecting rod is connected with a vertically-arranged push rod.

By adopting the technical scheme, the position of the unlocking rod can be adjusted, the unlocking rod is pushed to unlock by pushing the push rod, and the unlocking rod is prevented from interfering with the locking separation sheet after the manual unlocking piece is installed; the lifting rod enables the unlocking rod to be stable when used for pushing the push rod, and therefore the unlocking stability of the unlocking rod is improved.

The present invention may be further configured in a preferred embodiment as: and two fixing sleeves are arranged on the second supporting plate, the fixing sleeves penetrate through the second supporting plate, and the fixing sleeves are respectively sleeved on the unlocking rod and the outer side of the circumferential direction of the lifting rod.

Through adopting above-mentioned technical scheme, fixed cover is convenient for unlocking lever and lifter directional sliding, and can reduce the wearing and tearing of second backup pad to reduce the maintenance replacement cost.

The present invention may be further configured in a preferred embodiment as: the electromagnet is towards one end of the sliding rod and is arranged in a conical shape, the top end of the sliding rod corresponds to the electromagnet, a conical groove is formed in the electromagnet, and the electromagnet is embedded in the conical groove.

Through adopting above-mentioned technical scheme, the bell jar is used for guiding the pole and the electro-magnet magnetic attraction that slide, and can increase the area that connecting rod and electro-magnet contacted, strengthens the electromagnetism stability of unblanking.

The present invention may be further configured in a preferred embodiment as: the top of the second support plate is provided with a sliding sleeve, and the sliding rod and the sliding sleeve are coaxially arranged.

Through adopting above-mentioned technical scheme, the cover that slides is used for the guide positioning slide rod's the stroke that slides, and can reduce the wearing and tearing of second backup pad to reduce maintenance replacement cost.

The present invention may be further configured in a preferred embodiment as: slip set circumference lateral wall symmetry of sliding is equipped with first micro-gap switch, first micro-gap switch includes first body and first articulated arm, first body with slip set fixed connection, first articulated arm one end with first body is articulated, the other end with unblock ring bottom butt.

By adopting the technical scheme, the first microswitch is used for transmitting signals to reflect the electromagnetic unlocking state, when the unlocking ring presses down the first hinge rod, the first body reflects the signals to close the control center display shielding door and is in the locking state, when the unlocking ring moves upwards, the first body can be gradually separated from the contact with the first hinge rod, and the first body can reflect the signals to display that the electromagnetic lock is unlocked and the shielding door can be opened for the control center.

The present invention may be further configured in a preferred embodiment as: the circumferential outer side wall of the sliding sleeve is also provided with a second microswitch, the second microswitch comprises a second body and a second hinge rod, the second body is fixedly connected with the sliding sleeve, one end of the second hinge rod is hinged with the second body, and the other end of the second hinge rod is abutted against the side wall of the unlocking rod; the fixing ring is located below the abutting position of the second hinge rod and the side wall of the unlocking rod, and the fixing ring is far away from the side wall of one end of the second supporting plate and is provided with a guiding conical surface.

By adopting the technical scheme, the second microswitch is used for transmitting signals to reflect the manual unlocking state, and when the second hinge rod is abutted against the side wall of the unlocking rod, the second body reflects the signals to the control center to display that the shielding door is closed and is in the locking state; the unlocking rod is pushed, the second hinge rod can gradually contact with the side wall of the fixing ring and is pressed by the fixing ring, so that the second hinge rod rotates towards the second body, the first body can reflect signals to display that the electromagnetic lock is unlocked for the control center, and the shielding door can be opened manually and reliably.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the sliding rod, the unlocking ring and the manual unlocking piece, the effect that when power failure occurs or the electromagnetic unlocking mechanism is blocked, the locking of the shielding door can be unlocked manually, and inconvenience of people in and out of the subway is avoided;

2. through the arrangement of the lifting rod, the second connecting rod and the push rod, the effect of adjusting and pushing the position of the unlocking rod and preventing the unlocking rod from interfering with the locking separation sheet after the manual unlocking piece is installed can be achieved;

3. through the setting of toper electro-magnet and bell jar, can play guide slide bar and electro-magnet magnetic attraction, and can increase the area of connecting rod and electro-magnet contact, the effect of the stability of reinforcing electromagnetism unblanking.

Drawings

Fig. 1 is a schematic diagram of the structure of the connection between the electromagnetic lock body and the shield door of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the electromagnetic lock body in the embodiment.

In the figure, 1, a shield door; 11. a door frame; 12. a locking catch; 2. an electromagnetic lock body; 21. a first housing; 22. a second housing; 23. a first support plate; 24. a second support plate; 3. an electromagnet; 31. a slide bar; 311. a tapered groove; 312. unlocking the ring; 32. a first connecting rod; 33. a latch hook; 34. a sliding sleeve; 4. a manual unlocking member; 41. an unlocking lever; 411. a fixing ring; 412. a guiding conical surface; 42. a lifting rod; 43. a second connecting rod; 44. a push rod; 45. fixing a sleeve; 5. a first microswitch; 51. a first body; 52. a first hinge lever; 53. a second microswitch; 54. a second body; 55. a second hinge rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and 2, the utility model discloses an electromagnetic lock that can manual unblock, including electromagnetic lock body 2, electromagnetic lock body 2 includes mutually perpendicular's first backup pad 23 and second backup pad 24, and electromagnetic lock body 2 installs on door frame 11 through first backup pad 23, controls shield door 1 top and is connected with locking separation blade 12, and locking separation blade 12 is located electromagnetic lock body 2 below. Still including the first casing 21 and the second casing 22 that from top to bottom connect gradually and communicate each other, second casing 22 bottom is connected with second backup pad 24 top, is connected with electro-magnet 3 in the first casing 21, is equipped with vertical setting slide bar 31 in the second casing 22, and slide

bar

31 and 3 magnetism of electro-magnet are inhaled the setting. One end of the sliding rod 31, which is far away from the electromagnet 3, penetrates through the second support plate 24, and is connected with a first connecting rod 32 which is horizontally arranged, and two ends of the first connecting rod 32 are provided with symmetrically arranged lock hooks 33 towards one side of the locking separation blade 12. When the shield door 1 is closed, the locking separation blades 12 on the left shield door 1 and the right shield door 1 are close to each other and are positioned below the first connecting rod 32, the electromagnet 3 is powered off, so that the sliding rod 31 moves downwards due to self gravity, the locking hooks 33 are buckled on the locking separation blades 12, and the shield door 1 is locked.

Referring to fig. 1 and 2, for the convenience of magnetic attraction between the sliding rod 31 and the electromagnetic lock being more stable, the electromagnet 3 is arranged in a conical shape towards one end of the sliding rod 31, the top end of the sliding rod 31 corresponds to the electromagnet 3 and is provided with a conical groove 311, the electromagnet 3 is embedded with the conical groove 311, and the guiding positioning connection can be achieved, and the binding face between the sliding rod 31 and the electromagnetic lock can also be increased. In order to facilitate the directional sliding of the sliding rod 31 and reduce the abrasion to the second support plate 24, the sliding sleeve 34 is connected to the top of the second support plate 24, and the sliding rod 31 and the sliding sleeve 34 are coaxially arranged and penetrate through the sliding sleeve 34. The fixed sleeve 45 on the circumferential outer side wall of the connecting rod is provided with an unlocking ring 312, and the unlocking ring 312 is positioned above the sliding sleeve 34; the peripheral outer side wall of the sliding sleeve 34 is symmetrically provided with a first microswitch 5, and the first microswitch 5 transmits signals to a subway control center (not shown in the figure) through a line (not shown in the figure); the first microswitch 5 comprises a first body 51 and a first hinged rod 52, the first body 51 is fixedly connected with the sliding sleeve 34, one end of the first hinged rod 52 is hinged with the first body 51, and the other end of the first hinged rod is abutted against the bottom end of the unlocking ring 312. When the unlocking ring 312 presses down the first hinge rod 52, the first body 51 reflects a signal to the control center display screen door 1 to be closed and in a locked state; when the electromagnet 3 is energized to move the sliding rod 31 upward and is attracted, the unlocking ring 312 moves upward and gradually disengages from the contact with the first hinge rod 52, and the first body 51 will reflect a signal to the control center to indicate that the electromagnetic lock has unlocked the shielding door 1 and can be opened.

Referring to fig. 1 and 2, in order to facilitate manual unlocking and opening of the screen door 1 during power failure, a manual unlocking piece 4 is further connected to the electromagnetic lock body 2 in a lifting manner, and the manual unlocking piece 4 is located at the bottom of the unlocking ring 312. The manual unlocking piece 4 comprises an unlocking rod 41 and a fixing ring 411, the unlocking rod 41 penetrates through the second supporting plate 24, and the unlocking rod 41 is arranged in a T shape and is positioned at the bottom of the unlocking ring 312; in order to prevent the unlocking rod 41 from falling off, the fixing ring 411 is fixedly sleeved with the sleeve 45 on the circumferential outer side wall of the unlocking rod 41 and is positioned above the second support plate 24, the unlocking ring 312 can drive the sliding rod 31 to move upwards by pushing the unlocking rod 41, so that the locking baffle 12 is separated from the locking of the locking hook 33, and the shielding door 1 can be manually opened.

Referring to fig. 1 and 2, further, in order to facilitate installation of the manual unlocking member 4 and prevent the unlocking lever 41 from interfering with the locking baffle 12 during installation, the manual unlocking assembly in this embodiment further includes a lifting rod 42, a push rod 44 and a second connecting rod 43, the lifting rod 42 penetrates through the second support plate 24 and is parallel to the unlocking lever 41, two ends of the second connecting rod 43 are respectively connected with the lifting rod 42 and the unlocking lever 41 through screws (not shown in the figure), and the push rod 44 is located below the second connecting rod 43 and is in threaded connection with the second connecting rod 43. The unlocking rod 41 pushes the unlocking ring 312 to unlock by pushing the push rod 44 to drive the unlocking rod 41 and the lifting rod 42 to slide together, and the lifting rod 42 is used for keeping the balance of the second connecting rod 43, so that the stress of the unlocking rod 41 is balanced and stable. Preferably, in order to reduce the wear of the unlocking rod 41, the lifting rod 42 and the second support plate 24 and facilitate the sliding and guiding of the unlocking rod 41 and the lifting rod 42, a fixing sleeve 45 is fixedly arranged on the second support plate 24 in a penetrating manner, and the fixing sleeve 45 is respectively sleeved on the circumferential outer sides of the unlocking rod 41 and the lifting rod 42.

Referring to fig. 1 and 2, in order to facilitate understanding of the unlocking state of the shield door 1 during manual unlocking, the circumferential outer side wall of the sliding sleeve 34 in this embodiment is further connected with a second micro switch 53, the second micro switch 53 includes a second body 54 and a second hinge rod 55, the second body 54 is fixedly connected with the sliding sleeve 34, one end of the second hinge rod 55 is hinged to the second body 54, and the other end of the second hinge rod is abutted to the side wall of the unlocking rod 41. The fixing ring 411 is located below the abutting position of the second hinge rod 55 and the side wall of the unlocking rod 41, and a guiding conical surface 412 is arranged on the side wall of one end of the fixing ring 411 far away from the second supporting plate 24. When the second hinge rod 55 abuts against the side wall of the unlocking rod 41, the second body 54 reflects a signal to the control center display screen door 1 to be closed and in a locking state; the unlocking rod 41 is pushed, the second hinge rod 55 gradually contacts with the side wall of the fixing ring 411 and is pressed by the fixing ring 411, so that the second hinge rod 55 rotates towards the second body 54, at the moment, the first body 51 can reflect a signal to the control center to display that the electromagnetic lock is unlocked, and the shielding door 1 can be opened manually and reliably.

The implementation principle of the above embodiment is as follows: when the shielding door 1 is closed, the locking blocking piece 12 is located below the first connecting rod 32, the first microswitch 5 transmits a signal to the control center, and the control center receives the signal and disconnects the circuit of the electromagnet 3, so that the sliding rod 31 moves downwards and blocks the locking blocking piece 12 through the locking hook 33. When the subway arrives at a station, the control center opens the circuit of the electromagnet 3 to electrify the electromagnet 3 and magnetically attracts the sliding rod 31 upwards, so that the lock hook 33 is separated from the locking of the locking separation blade 12, and the shielding door 1 is convenient to open automatically. When the electromagnet 3 is in poor power on or power off, the unlocking rod 41 can be pushed manually, the unlocking rod 41 abuts against the unlocking ring 312 and drives the sliding rod 31 to move upwards, so that the locking hook 33 is manually separated from the locking of the locking separation blade 12, and the shielding door 1 can be opened manually.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an electromagnetic lock that can manual unblock, includes electromagnetic lock body (2), install on door frame (11) electromagnetic lock body (2), electromagnetic lock body (2) are provided with latch hook (33) that the symmetry set up towards shield door (1) one side, control shield door (1) top and be connected with locking separation blade (12), and locking separation blade (12) are located latch hook (33) below, its characterized in that: a horizontally arranged first connecting rod (32) is fixedly connected to the top of the locking hook (33), a vertically arranged sliding rod (31) is detachably connected to the first connecting rod (32), an electromagnet (3) is arranged on the top of the electromagnetic lock body (2), and one side, away from the first connecting rod (32), of the sliding rod (31) is arranged with the electromagnet (3) in a magnetic attraction manner; the fixed cover (45) of connecting rod circumference lateral wall is equipped with unlocks ring (312), electromagnetic lock body (2) goes up and down to be connected with manual unlocking piece (4), manual unlocking piece (4) are located unlocks ring (312) bottom.

2. A manually unlockable electromagnetic lock according to claim 1, wherein: the electromagnetic lock body (2) comprises a first supporting plate (23) and a second supporting plate (24) which are perpendicular to each other, and the first supporting plate (23) is vertically arranged and connected with the door frame (11); the sliding rod (31) penetrates through the second support plate (24), and the unlocking ring (312) is positioned above the second support plate (24); the manual unlocking piece (4) comprises an unlocking rod (41) and a fixing ring (411), the fixing ring (45) of the fixing ring (411) is arranged on the circumferential outer side wall of the unlocking rod (41) and located above the second supporting plate (24), the unlocking rod (41) penetrates through the second supporting plate (24), and the unlocking rod (41) is located at the bottom of the unlocking ring (312).

3. A manually unlockable electromagnetic lock according to claim 2, wherein: manual unblock subassembly still includes lifter (42) and second connecting rod (43), second connecting rod (43) level set up and its top with the connecting rod with lifter (42) can be dismantled and connect, lifter (42) with unblock pole (41) parallel arrangement just lifter (42) are located and keep away from slide bar (31) one side, second connecting rod (43) bottom is connected with push rod (44) of vertical setting.

4. A manually unlockable electromagnetic lock according to claim 3, wherein: be equipped with two fixed covers (45) on second backup pad (24), fixed cover (45) run through second backup pad (24) and set up, just fixed cover (45) is established respectively the cover the unblock pole (41) with lifter (42) circumference outside.

5. A manually unlockable electromagnetic lock according to claim 1, wherein: the electromagnet (3) faces towards one end of the sliding rod (31) and is arranged in a conical mode, the top end of the sliding rod (31) corresponds to the electromagnet (3) and is provided with a conical groove (311), and the electromagnet (3) and the conical groove (311) are arranged in an embedded mode.

6. A manually unlockable electromagnetic lock according to claim 2, wherein: the top of the second support plate (24) is provided with a sliding sleeve (34), and the sliding rod (31) and the sliding sleeve (34) are coaxially arranged.

7. A manually unlockable electromagnetic lock according to claim 6, wherein: the outer side wall of the circumferential direction of the sliding sleeve (34) is symmetrically provided with a first microswitch (5), the first microswitch (5) comprises a first body (51) and a first hinged rod (52), the first body (51) is fixedly connected with the sliding sleeve (34), one end of the first hinged rod (52) is hinged to the first body (51), and the other end of the first hinged rod is abutted to the bottom end of the unlocking ring (312).

8. A manually unlockable electromagnetic lock according to claim 6, wherein: the circumferential outer side wall of the sliding sleeve (34) is further provided with a second microswitch (53), the second microswitch (53) comprises a second body (54) and a second hinged rod (55), the second body (54) is fixedly connected with the sliding sleeve (34), one end of the second hinged rod (55) is hinged to the second body (54), and the other end of the second hinged rod is abutted to the side wall of the unlocking rod (41); fixed ring (411) are located second articulated pole (55) with the below of unblock pole (41) lateral wall butt department, fixed ring (411) are kept away from the one end lateral wall of second backup pad (24) is equipped with guide conical surface (412).