CN217028457U

CN217028457U - Electromagnetic lock

Info

Publication number: CN217028457U
Application number: CN202122853189.7U
Authority: CN
Inventors: 胡经纬; 闻典; 程英英; 李军; 刘辉; 王小娟; 张磊; 刘金梅
Original assignee: Beijing Vocational College Of Transportation
Current assignee: Beijing Vocational College Of Transportation
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-07-22
Anticipated expiration: 2031-11-22

Abstract

The invention discloses an electromagnetic lock, which comprises a bottom plate, an electromagnet mounting plate, a front mounting plate, a rear mounting plate, an electromagnet, a guide post, a right electromagnetic lock travel switch, a right sliding door travel switch, a sliding plate, a left electromagnetic lock travel switch, a left sliding door travel switch, a right swing arm, a right rotating shaft, a right stop pin, a left swing arm, a left rotating shaft, a left stop pin and a manual transmission rod, the sliding plate can move up and down, the travel switch of the sliding door can send a door opening in-place signal, the electromagnetic lock travel switch can send a door closing in-place signal, when the sliding plate moves to the upper end position, the electromagnetic lock can unlock the two sliding doors to allow the two sliding doors to be opened, when the sliding plate moves to the lower end position, the electromagnetic lock can lock two sliding doors, and a lock tongue matched with the square hole of the sliding door is arranged at the lower part of the sliding plate. The electromagnetic lock has the advantages of simple structure and reliable work, and can reduce the failure rate of products in limited installation occasions.

Description

Electromagnetic lock

The technical field is as follows:

the invention relates to the technical field of lock structures, in particular to an electromagnetic lock.

The background art comprises the following steps:

in the prior art. The locking grooved wheel of the electromagnetic lock in the subway platform door system is of an integral structure. When one of the left sliding door and the right sliding door is firstly closed in place and the other sliding door is not closed in place, the locking grooved wheel of the electromagnetic lock still rotates to the locking position to be locked, therefore, the electromagnetic lock in the prior art must be provided with a left group of right-hand closing in-place travel switches to ensure that the two sliding doors can be accurately known to be closed in place, and when the two sliding doors are closed in place and locked, the closing in-place travel switches send closing information to a train. Thereby ensuring the safety of passengers. Because prior art's electromagnetic lock travel switch spatial position dispersion, consequently it is provided with the door simultaneously and closes the door to the travel switch that targets in place and open the door to the travel switch that targets in place's the condition under, and the structure can't realize the miniaturization to cause the unable miniaturized problem of the whole volume of electromagnetic lock.

The invention content is as follows:

in order to solve the above problems, the present invention provides an electromagnetic lock which can be miniaturized so as to be applicable to a place where an installation space is limited and also reduce a failure rate.

The technical scheme for realizing the aim is as follows: an electromagnetic lock comprises a bottom plate 1, an electromagnet mounting plate 2, a front mounting plate 3, a rear mounting plate 4, an electromagnet 5, a guide post 6, a right electromagnetic lock travel switch 100, a right sliding door travel switch 200, a sliding plate 300, a left electromagnetic lock travel switch 101, a left sliding door travel switch 201, a right swing arm 410, a right rotating shaft 420, a right stop pin 430, a left swing arm 411, a left rotating shaft 421, a left stop pin 431 and a manual transmission rod 530, wherein the electromagnet mounting plate 2 is fixedly connected with the bottom plate 1, the front mounting plate 3 is fixedly connected with the electromagnet mounting plate 2, the rear mounting plate 4 is fixedly connected with the bottom plate 1, the electromagnet 5 is fixed on the electromagnet mounting plate 2, the number of the guide posts 6 is 3, the guide posts 6 are in a stepped shaft shape, the thick ends of the guide posts 6 are fixed on the bottom plate 1, the sliding plate 300 is provided with 3 long grooves 301, the elongated slot 301 is sleeved on the thin end of the stepped shaft of the guide post 6, the sliding plate 300 can slide up and down along the thin end of the guide post 6, the right sliding door travel switch 200 and the left sliding door travel switch 201 are fixed on the front mounting plate 3, the right electromagnetic lock travel switch 100 and the left electromagnetic lock travel switch 101 are fixed on the rear mounting plate 4, the right rotating shaft 420 and the left rotating shaft 421 are fixed on the bottom plate 1, the right swing arm 410 can rotate around the right rotating shaft 420, the left swing arm 411 can rotate around the left rotating shaft 421, the right stop pin 430 is fixed on the right swing arm 410, the left stop pin 431 is fixed on the left swing arm 411, the lower end of the armature of the electromagnet 5 is connected with the sliding plate 300, the armature of the electromagnet 5 can drive the sliding plate 300 to move up and down along the thin end of the guide post 6, and the right end of the lower part of the sliding plate 300 is provided with the right lock tongue 320, the left end of the lower part of the sliding plate 300 is provided with a left bolt 321, the right side of the middle position of the sliding plate 300 is provided with a right groove 310, the left side of the middle position of the sliding plate 300 is provided with a left groove 311, the manual transmission rod 530 is fixed at the middle position of the lower part of the sliding plate 300, the lower end of the right swing arm 410 is provided with a right roller 440, and the lower end of the left swing arm 411 is provided with a left roller 441.

The electromagnet 5 comprises an electromagnetic coil 510 and an armature 520, the electromagnetic coil 510 is fixedly arranged, the armature 520 is arranged on the sliding plate 300, and the electromagnetic coil 510 can attract the armature 520 when being electrified so as to enable the sliding plate 300 to move upwards.

The number of the electromagnetic coils 510 is one, the electromagnetic coils 510 are arranged in the middle of the electromagnetic lock cylinder, the number of the armatures 520 is one, and the armatures 520 are arranged in the middle of the sliding plate 300 and correspond to the electromagnetic coils 510.

The working principle of the invention is as follows: when the left sliding door and the right sliding door are closed in place, the travel switch of the sliding door is triggered, the left stop pin is separated from the left groove, the right stop pin is separated from the right groove, the sliding plate moves downwards, the travel switch of the electromagnetic lock is triggered, and the electromagnetic lock falls to lock the door; when the door is to be opened, the electromagnet is electrified to be closed, the sliding plate moves upwards, the travel switch of the electromagnetic lock is reset, the left sliding door and the right sliding door are opened, and the travel switch of the sliding door is reset; when the door is to be closed, the travel switch of the sliding door is in a trigger state, the left stop pin is separated from the left groove, the right stop pin is separated from the right groove, the left stop pin and the right stop pin do not support the sliding plate any more, the sliding plate falls freely, and the left spring bolt and the right spring bolt of the sliding plate enter into the locking square holes of the left sliding door and the right sliding door to lock the left sliding door and the right sliding door.

The invention has the beneficial effects that: the electromagnetic lock can realize the functions of sending the door opening in-place signal and sending the door closing in-place signal through one electromagnetic lock, and the electromagnetic lock travel switch and the sliding door travel switch are positioned at the same position.

Description of the drawings:

FIG. 1 is a schematic diagram of an electromagnetic lock according to the present invention with left and right sliding doors closed and the electromagnetic lock in a locked state;

FIG. 2 is a schematic diagram of the electromagnetic lock of the present invention when the left and right sliding doors are open and the electromagnetic lock is in an unlocked state;

fig. 3 is a schematic diagram of the connection between the electromagnet and the sliding plate of the electromagnetic lock of the invention.

In the figure: 1-bottom plate, 2-electromagnet mounting plate, 3-front mounting plate, 4-rear mounting plate, 5-electromagnet, 6-guide post, 100-right electromagnetic lock travel switch, 200-right sliding door travel switch, 300-sliding plate, 101-left electromagnetic lock travel switch, 201-left sliding door travel switch, 410-right swinging arm, 420-right rotating shaft, 430-right stop pin, 411-left swinging arm, 421-left rotating shaft, 431-left stop pin, 440-right roller, 441-left roller, 510-electromagnetic coil, 520-armature, 530-manual transmission rod.

The specific implementation mode is as follows:

in the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout manner of the drawings in the specification, such as: the positional relationship of up, down, left, right, left down, right down, etc. is determined according to the layout direction of the drawings in the specification, and the drawings and the drawing direction are only for illustrative purposes and are not to be construed as limiting the patent of the present invention.

Example 1: referring to fig. 1 to 3, the present invention provides an electromagnetic lock, which comprises a bottom plate 1, an electromagnet mounting plate 2, a front mounting plate 3, a rear mounting plate 4, an electromagnet 5, a guide post 6, a right electromagnetic lock travel switch 100, a right sliding door travel switch 200, a sliding plate 300, a left electromagnetic lock travel switch 101, a left sliding door travel switch 201, a right swing arm 410, a right rotation shaft 420, a right stop pin 430, a left swing arm 411, a left rotation shaft 421, a left stop pin 431, and a manual transmission rod 530, wherein the electromagnet mounting plate 2 is fixedly connected with the bottom plate 1, the front mounting plate 3 is fixedly connected with the electromagnet mounting plate 2, the rear mounting plate 4 is fixedly connected with the bottom plate 1, the electromagnet 5 is fixed on the electromagnet mounting plate 2, the number of the guide posts 6 is 3, the guide posts 6 are in a stepped shaft shape, and thick ends of the guide posts 6 are fixed on the bottom plate 1, the sliding plate 300 is provided with 3 elongated slots 301, the elongated slots 301 are sleeved on the thin end of the step shaft of the guide post 6, the sliding plate 300 can slide up and down along the thin end of the guide post 6, the right sliding door travel switch 200 and the left sliding door travel switch 201 are fixed on the front mounting plate 3, the right electromagnetic lock travel switch 100 and the left electromagnetic lock travel switch 101 are fixed on the rear mounting plate 4, the right rotating shaft 420 and the left rotating shaft 421 are fixed on the bottom plate 1, the right swinging arm 410 can rotate around the right rotating shaft 420, the left swinging arm 411 can rotate around the left rotating shaft 421, the right stop pin 430 is fixed on the right swinging arm 410, the left stop pin 431 is fixed on the left swinging arm 411, the lower end of the armature of the electromagnet 5 is connected with the sliding plate 300, and the armature of the electromagnet 5 can drive the sliding plate 300 to move along the thin end of the guide post 6, The lower sliding plate is characterized in that the lower sliding plate 300 is provided with a right locking tongue 320 at the right end of the lower part, a left locking tongue 321 is arranged at the left end of the lower part of the sliding plate 300, a right groove 310 is arranged at the right side of the middle position of the sliding plate 300, a left groove 311 is arranged at the left side of the middle position of the sliding plate 300, a manual transmission rod 530 is fixed at the middle position of the lower part of the sliding plate 300, a right roller 440 is arranged at the lower end of the right swing arm 410, and a left roller 441 is arranged at the lower end of the left swing arm 411.

The electromagnetic switch is characterized by comprising a bottom plate 1 and an electromagnet mounting plate 2 which are connected through screws.

The front mounting plate 3 and the electromagnet mounting plate 2 are connected by screws.

The rear mounting plate 4 is connected with the bottom plate 1 through screws.

The left sliding door travel switch 201 and the right sliding door travel switch 200 are fixed on the front mounting plate 3 by screws.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications may be made to the technical solution of the invention, and in order to avoid unnecessary repetition, various possible combinations of the invention will not be described further. Such simple modifications and combinations should also be considered as disclosed in the present invention, and all such modifications and combinations are intended to be included within the scope of the present invention.

Claims

1. An electromagnetic lock is characterized in that: comprises a bottom plate (1), an electromagnet mounting plate (2), a front mounting plate (3), a rear mounting plate (4), electromagnets (5), guide posts (6), a right electromagnetic lock travel switch (100), a right sliding door travel switch (200), a sliding plate (300), a left electromagnetic lock travel switch (101), a left sliding door travel switch (201), a right swing arm (410), a right swing shaft (420), a right stop pin (430), a left swing arm (411), a left swing shaft (421), a left stop pin (431) and a manual transmission rod (530), wherein the electromagnet mounting plate (2) is fixedly connected with the bottom plate (1), the front mounting plate (3) is fixedly connected with the electromagnet mounting plate (2), the rear mounting plate (4) is fixedly connected with the bottom plate (1), the electromagnets (5) are fixed on the electromagnet mounting plate (2), and the number of the guide posts (6) is 3, the guide post (6) is in a stepped shaft shape, the thick end of the guide post (6) is fixed on the bottom plate (1), the sliding plate (300) is provided with 3 long grooves (301), the long grooves (301) are sleeved on the thin end of the stepped shaft of the guide post (6), the sliding plate (300) can slide up and down along the thin end of the guide post (6), the right sliding door travel switch (200) and the left sliding door travel switch (201) are fixed on the front mounting plate (3), the right electromagnetic lock travel switch (100) and the left electromagnetic lock travel switch (101) are fixed on the rear mounting plate (4), the right rotating shaft (420) and the left rotating shaft (421) are fixed on the bottom plate (1), the right swing arm (410) can rotate around the right rotating shaft (420), the left swing arm (411) can rotate around the left rotating shaft (421), the right stop pin (430) is fixed on the right swing arm (410), the novel sliding plate is characterized in that the left stop pin (431) is fixed on the left swing arm (411), the lower end of an armature of the electromagnet (5) is connected with the sliding plate (300), the armature of the electromagnet (5) can drive the sliding plate (300) to move up and down along the thin end of the guide pillar (6), a right lock tongue (320) is arranged at the right end of the lower portion of the sliding plate (300), a left lock tongue (321) is arranged at the left end of the lower portion of the sliding plate (300), a right groove (310) is arranged on the right side of the middle position of the sliding plate (300), a left groove (311) is arranged on the left side of the middle position of the sliding plate (300), the manual transmission rod (530) is fixed at the middle position of the lower portion of the sliding plate (300), a right idler wheel (440) is arranged at the lower end of the right swing arm (410), and a left idler wheel (441) is arranged at the lower end of the left swing arm (411).

2. The electromagnetic lock of claim 1, wherein: the electromagnet (5) comprises an electromagnetic coil (510) and an armature (520), the electromagnetic coil (510) is fixedly arranged, the armature (520) is arranged on the sliding plate (300), and the electromagnetic coil (510) can attract the armature (520) to enable the sliding plate (300) to move upwards when being electrified.

3. The electromagnetic lock of claim 2, wherein: the number of the electromagnetic coils (510) is one, the electromagnetic coils (510) are arranged in the middle of the electromagnetic lock cylinder, the number of the armatures (520) is one, and the armatures (520) are arranged in the middle of the sliding plate (300) and correspond to the electromagnetic coils (510).