CN220184863U - Electromagnetic lock and shielding door system - Google Patents

Abstract

The utility model provides an electromagnetic lock and a shielding door system, wherein the electromagnetic lock comprises a bracket component, a lock pin and a driving mechanism, the bracket component comprises a first fixing frame, a second fixing frame and a moving frame, the first fixing frame and the second fixing frame are oppositely arranged along the length direction of the moving frame, the lock pin is fixedly arranged in the middle of the moving frame, the driving mechanism comprises a first driving unit and a second driving unit, one end of the first driving unit is arranged in the first fixing frame, the other end of the first driving unit extends out of the first fixing frame to be connected with the moving frame, the second driving unit is arranged in the second fixing frame, the other end of the second driving unit extends out of the second fixing frame to be connected with the moving frame, and the first driving unit and the second driving unit can move along the axial direction of the lock pin so as to drive the lock pin to move through the moving frame. The two driving units are oppositely arranged on the two sides of the lock pin to drive the lock pin to move together so as to balance torsion force applied in the moving process of the lock pin, so that the lock pin can only reciprocate along the axial direction, and the stability of the electromagnetic lock is improved.

Description

Electromagnetic lock and shielding door system

Technical Field

The utility model belongs to the technical field of lock structures, and particularly relates to an electromagnetic lock and a shielding door system.

Background

With the rapid development of cities, rail transit is becoming more and more important in urban public transportation systems. The shielding door system used in the rail transit is a typical electromechanical integrated product, and the sliding platform doors of the shielding door system are arranged along the two side edges of the rail transit platform to separate the vehicle running track from the platform, so that the safety of passengers is ensured, the running energy consumption of an air conditioning ventilation system in a station is reduced, and the noise influence on the platform when a train passes through is reduced. The electromagnetic lock belongs to a transmission locking system of a rail transit shielding door system, and has the main function of assisting in controlling the normal opening and closing of a sliding platform door so as to ensure the reliability of the opening and closing of the platform door. In the process of opening and closing the platform door, the electromagnetic lock is the most critical component, and whether the function of the electromagnetic lock is reliable or not is related to whether the door body can be normally opened or not. The existing electromagnetic lock only has one driving piece, the stability is poor, and in the unlocking or locking process, the driving shaft of the driving piece is easy to rotate, so that the driven part moves under the action of torsion force to generate deviation, and mechanical faults are easy to generate to influence train operation.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to provide an electromagnetic lock and a shielding door system, wherein the electromagnetic lock can balance torsion force received in the moving process of the lock pin by arranging two driving units on two sides of the lock pin oppositely, so that the working stability of the electromagnetic lock is improved.

In order to solve the above problems, according to one aspect of the present utility model, there is provided an electromagnetic lock, including a bracket assembly, a lock pin, and a driving mechanism, where the bracket assembly includes a first fixing frame, a second fixing frame, and a moving frame, the first fixing frame and the second fixing frame are disposed opposite to each other along a length direction of the moving frame, the lock pin is fixedly disposed in a middle portion of the moving frame, the driving mechanism includes a first driving unit and a second driving unit, one end of the first driving unit is disposed in the first fixing frame, the other end of the first driving unit extends out of the first fixing frame to be connected with the moving frame, the second driving unit is disposed in the second fixing frame, the other end of the second driving unit extends out of the second fixing frame to be connected with the moving frame, and the first driving unit and the second driving unit are capable of moving along an axial direction of the lock pin to drive the lock pin to move through the moving frame.

Optionally, the moving frame includes a first support section and a second support section, where the first support section and the second support section are oppositely disposed along a length direction of the moving frame, the first support section and the second support section are L-shaped, and an intersection point of a straight line where an included angle angular line of the first support section and the second support section is located on a central axis of the lock pin;

the bottom end of the first support section is bent towards the direction away from the lock pin to form a first bending part, and the bottom end of the second support section is bent towards the direction away from the lock pin to form a second bending part;

the electromagnetic lock further comprises a first elastic piece and a second elastic piece, wherein the first elastic piece is arranged between the first bending part and the first fixing frame and sleeved on the first driving unit, and the second elastic piece is arranged between the second bending part and the second fixing frame and sleeved on the second driving unit.

Optionally, the electromagnetic lock further includes a lock shell, the driving mechanism, the bracket component and the lock pin are disposed in the lock shell, one end of the lock pin, which is far away from the moving frame, is provided with a lock tongue, a moving path of the lock pin includes a first position and a second position, when the lock pin moves to the first position, the lock tongue is disposed in the lock shell, and when the lock pin moves to the second position, the lock tongue is disposed outside the lock shell.

Optionally, the electromagnetic lock further includes a first inductor and a second inductor, the first inductor is disposed on a first direction side of the first support section, the second inductor is disposed on the first direction side of the second support section, the first direction side of the first support section has a first baffle, and the first direction side of the second support section has a second baffle;

the first inductor and the second inductor are respectively provided with a transmitting end and a receiving end, when the lock pin moves to the first position, the first baffle plate moves to a position between the transmitting end and the receiving end of the first inductor, and when the lock pin moves to the second position, the second baffle plate moves to a position between the transmitting end and the receiving end of the second inductor.

Optionally, the electromagnetic lock further comprises an unlocking component, the unlocking component comprises a wrench, a rotating shaft, a rocker arm and a rotary wheel, the wrench is connected with the rocker arm through the rotating shaft, the rocker arm rotates synchronously with the wrench, one end of the rocker arm, which is far away from the rotating shaft, is connected with the rotary wheel, and the rotary wheel is arranged on one side, close to the moving frame, of the rocker arm;

the rotating path of the rocker arm comprises a first limit position and a second limit position, the wrench drives the rocker arm to rotate between the first limit position and the second limit position through the rotating shaft, the electromagnetic lock is in an unlocking state when the rocker arm is located at the first limit position, the rotary wheel is in butt joint with the movable frame, the electromagnetic lock is in a locking state when the rocker arm is located at the second limit position, and a gap between the rotary wheel and the movable frame is A, and A is more than or equal to 3mm and less than or equal to 4mm.

Optionally, the unlocking assembly further comprises a limiting plate, the limiting plate and the rocker arm are located in the same plane, the limiting plate is used for limiting the rocker arm in the circumferential direction of the rotating shaft, and an included angle formed by the limiting plate is B, and the included angle is more than or equal to 95 degrees and less than or equal to 105 degrees;

when the rocker arm rotates to the first limit position, the distance between the rotary wheel and the first fixing frame is larger than the distance between the rotary wheel and the second fixing frame.

Optionally, the unlocking assembly further comprises a third elastic piece, a fixing rod is arranged in the middle of the limiting plate, the fixing rod is arranged on one side, close to the lock pin, of the limiting plate, one end of the third elastic piece is connected with the fixing rod, and the other end of the third elastic piece is connected with the rotary wheel.

Optionally, the lock shell is made of stainless steel, the lock shell comprises an airtight cavity formed by fixedly connecting an upper cover plate, a lower cover plate, a left cover plate and a right cover plate, and the areas of the upper cover plate and the lower cover plate are larger than the cross section area of the airtight cavity.

In another aspect of the present utility model, a shielded door system is provided, including the electromagnetic lock described above.

Optionally, the shielding door system further includes two sliding doors and a driving device, the two sliding doors are respectively provided with the electromagnetic locks, and the driving device is connected with the sliding doors and is used for driving the sliding doors to open or close.

Advantageous effects

According to the electromagnetic lock and the shielding door system provided by the embodiment of the utility model, the two driving units are arranged on the two sides of the lock pin relatively to drive the lock pin to move, so that the opening or closing reliability of the shielding door system can be ensured. In the prior art, in the unlocking or locking process of an electromagnetic lock, a driving shaft of a driving piece is easy to rotate, so that deviation occurs in the movement of a driven part, the friction between a lock pin and a shaft sleeve is increased, mechanical faults are easy to cause, and the electromagnetic lock is low in service life and can only work for 30 ten thousand times. Compared with the prior art, in the utility model, the first driving unit and the second driving unit are oppositely arranged at two sides of the lock pin, so that the first driving unit and the second driving unit synchronously run to drive the lock pin to move together, the torsion force applied to the lock pin in the moving process can be balanced, the lock pin has only one degree of freedom, namely, the lock pin can only reciprocate along the axial direction of the lock pin, and the working stability of the electromagnetic lock is improved; meanwhile, the friction force between the lock pin and the shaft sleeve in the working process of the electromagnetic lock can be reduced, the service life of the lock pin is prolonged, and further the service life of the electromagnetic lock is prolonged.

Drawings

Fig. 1 is a schematic perspective view of an electromagnetic lock according to an embodiment of the present utility model in a locked state;

FIG. 2 is a front view of an electromagnetic lock according to an embodiment of the present utility model in a locked state;

FIG. 3 is a schematic diagram of a coil of a driving mechanism according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a driving unit of a driving mechanism according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the lock pin according to the embodiment of the present utility model in a first position;

FIG. 6 is a schematic diagram illustrating an unlocking assembly according to an embodiment of the present utility model in operation;

FIG. 7 is a schematic structural view of a limiting plate according to an embodiment of the present utility model;

fig. 8 is a schematic structural view of a lock case according to an embodiment of the present utility model.

The reference numerals are expressed as:

1. a first fixing frame; 2. the second fixing frame; 3. a moving rack; 31. a first support section; 311. a first bending part; 312. a first baffle; 32. a second support section; 321. a second bending part; 322. a second baffle; 33. a connection section; 4. a locking pin; 5. a bolt; 6. a coil; 7. a first driving unit; 8. a second driving unit; 9. a first elastic member; 10. a second elastic member; 11. a lock case; 111. an upper cover plate; 112. a lower cover plate; 113. a left cover plate; 114. a right cover plate; 12. a first inductor; 13. a second inductor; 14. a wrench; 15. a rotating shaft; 16. a rocker arm; 17. a rotary wheel; 18. a limiting plate; 19. a third elastic member; 20. and a fixing rod.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1 to 8 in combination, according to an aspect of the embodiment of the present utility model, there is provided an electromagnetic lock including a bracket assembly including a first fixing frame 1, a second fixing frame 2, and a moving frame 3, the first fixing frame 1 and the second fixing frame 2 being disposed opposite to each other in a length direction of the moving frame 3, a latch 4 being fixedly disposed in a middle portion of the moving frame 3, and a driving mechanism including a first driving unit 7 and a second driving unit 8, one end of the first driving unit 7 being disposed in the first fixing frame 1, the other end of the first driving unit 7 being extended out of the first fixing frame 1 to be connected with the moving frame 3, the second driving unit 8 being disposed in the second fixing frame 2, the other end of the second driving unit 8 being extended out of the second fixing frame 2 to be connected with the moving frame 3, the first driving unit 7 and the second driving unit 8 being movable in an axial direction of the latch 4 to drive the latch 4 to move through the moving frame 3.

According to the electromagnetic lock and the shielding door system provided by the embodiment of the utility model, the two driving units are arranged on the two sides of the lock pin 4 relatively to drive the lock pin 4 to move, so that the opening or closing reliability of the shielding door system can be ensured. In the prior art, in the unlocking or locking process of an electromagnetic lock, a driving shaft of a driving piece is easy to rotate, so that deviation occurs in the movement of a driven part, the friction between a lock pin 4 and a shaft sleeve is increased, mechanical faults are easy to cause, and the electromagnetic lock is low in service life and can only work for 30 ten thousand times. Compared with the prior art, in the utility model, the first driving unit 7 and the second driving unit 8 are oppositely arranged at two sides of the lock pin 4, so that the first driving unit 7 and the second driving unit 8 synchronously operate to drive the lock pin 4 to move together, the torsion force applied to the lock pin 4 in the moving process can be balanced, the lock pin 4 has only one degree of freedom, namely, the lock pin 4 can only reciprocate along the axial direction of the lock pin 4, and the working stability of the electromagnetic lock is improved; meanwhile, the friction force between the lock pin 4 and the shaft sleeve in the working process of the electromagnetic lock can be reduced, the service life of the lock pin 4 is prolonged, and further the service life of the electromagnetic lock is prolonged.

The driving mechanism drives the lock pin 4 to move through the bracket component so as to complete unlocking and locking work of the electromagnetic lock.

The driving mechanism includes a first driving unit 7 and a second driving unit 8, where the first driving unit 7 and the second driving unit 8 may be armatures or other magnetic conductive parts, and the utility model is not limited further.

The driving mechanism further comprises two coils 6, the two coils 6 are respectively sleeved on the first driving unit 7 and the second driving unit 8, and the coils 6 can generate a magnetic field when being electrified so as to drive the first driving unit 7 and the second driving unit 8 to move. In the embodiment of the present utility model, the driving mechanism is an electromagnet, and the working principle thereof is to convert electric energy into mechanical energy by using the electromagnetic induction principle, and it can be understood that the first driving unit 7 and the second driving unit 8 can move in the axial direction of the coil 6 by changing the current direction in the coil 6.

Specifically, in the embodiment of the utility model, the electromagnetic lock is vertically arranged, the coil 6 is electrified, and the first driving unit 7 and the second driving unit 8 can move towards the vertical upward direction under the action of the electromagnetic field, so that the lock pin 4 moves into the lock shell 11 of the electromagnetic lock to unlock the electromagnetic lock.

The bracket assembly includes a first fixing frame 1 and a second fixing frame 2, where the first fixing frame 1 and the second fixing frame 2 may be rectangular metal frames, and the utility model is not limited further.

The first fixing frame 1 and the second fixing frame 2 are fixedly arranged in the lock shell 11 of the electromagnetic lock, the first fixing frame 1 and the second fixing frame 2 are fixedly connected with the lock shell 11, the connection mode can be bolt connection or welding, and the like, and the utility model is not limited further.

Specifically, the first driving unit 7 and the coil 6 sleeved on the first driving unit 7 are arranged in the first fixing frame 1, and the coil 6 on the first driving unit 7 is connected with the first fixing frame 1 so that the coil 6 on the first driving unit 7 and the first fixing frame 1 are relatively static; the second driving unit 8 and the coil 6 sleeved on the second driving unit 8 are arranged in the second fixing frame 2, and the coil 6 on the second driving unit 8 is connected with the second fixing frame 2 so that the coil 6 on the second driving unit 8 and the second fixing frame 2 are relatively static.

The bracket assembly further comprises a movable frame 3, a through hole is formed in the middle of the movable frame 3, one end of the lock pin 4 penetrates through the movable frame 3 through the through hole and is fixedly connected with the movable frame 3, and the connection mode can be bolt connection or welding and the like.

Wherein, the first fixing frame 1 and the second fixing frame 2 are oppositely arranged along the length direction of the movable frame 3, namely, the first driving unit 7 and the second driving unit 8 are oppositely arranged along the length direction of the movable frame 3.

Specifically, one end of the first driving unit 7 is arranged in the first fixing frame 1, and the other end extends out of the first fixing frame 1 and is connected with one end of the movable frame 3; one end of the second driving unit 8 is arranged in the second fixing frame 2, and the other end extends out of the second fixing frame 2 and is connected with the other end of the movable frame 3. The first driving unit 7 and the second driving unit 8 can be moved through the movable frame 3 to drive the lock pin 4 to move, so that the electromagnetic lock can complete unlocking and locking work.

In the embodiment of the utility model, the first driving unit 7 and the second driving unit 8 are arranged at two sides of the lock pin 4 oppositely so that the torsion forces of the first driving unit 7 and the second driving unit 8 received by the lock pin 4 are mutually counteracted, thereby avoiding the lock pin 4 from rotating in the moving process and improving the working stability of the electromagnetic lock; meanwhile, the service life of the electromagnetic lock is prolonged, and the use times can reach 100 ten thousand times.

Wherein, the one end that removes frame 3 was kept away from to first drive unit 7 and second drive unit 8 is round platform shape, and the through-hole has all been seted up on the top of first mount 1 and second mount 2, and the diameter of through-hole is less than the diameter of first drive unit 7 and second drive unit 8, can avoid electromagnetic lock work in-process first drive unit 7 and second drive unit 8 to deviate from in the coil 6, has improved electromagnetic lock work's stability.

The movable frame 3 comprises a first support section 31 and a second support section 32, the first support section 31 and the second support section 32 are oppositely arranged along the length direction of the movable frame 3, the first support section 31 and the second support section 32 are L-shaped, and an intersection point of straight lines where included angle and angle branching lines of the first support section 31 and the second support section 32 are positioned is positioned on a central axis of the lock pin 4; the bottom end of the first support section 31 is bent towards the direction away from the lock pin 4 to form a first bending part 311, and the bottom end of the second support section 32 is bent towards the direction away from the lock pin 4 to form a second bending part 321; the electromagnetic lock further comprises a first elastic piece 9 and a second elastic piece 10, wherein the first elastic piece 9 is arranged between the first bending part 311 and the first fixing frame 1 and sleeved on the first driving unit 7, and the second elastic piece 10 is arranged between the second bending part 321 and the second fixing frame 2 and sleeved on the second driving unit 8.

Through setting up first elastic component 9 and second elastic component 10, can realize that coil 6 outage back first elastic component 9 and second elastic component 10 can apply the elastic force that resets and produce to remove frame 3 to drive lockpin 4 through removing frame 3 and remove, can realize that coil 6 outage can accomplish the electromagnetic lock and fall the lock work, need not to provide the electric current of opposite direction to coil 6, reduced the electric quantity consumption in the electromagnetic lock working process, so that electromagnetic lock use cost reduces, have good economic benefits, be favorable to using widely.

The movable frame 3 comprises a connecting section 33, a through hole is formed in the middle of the connecting section 33, and the lock pin 4 penetrates through the connecting section 33 through the through hole and is fixedly arranged on the connecting section 33.

The moving frame 3 further includes a first support section 31 and a second support section 32, where the first support section 31 and the second support section 32 are disposed opposite to each other along a length direction of the connection section 33, one end of the connection section 33 is connected to the first support section 31, and the other end is connected to the second support section 32, and the connection manner may be welding or integrally forming.

Specifically, the first support section 31 and the second support section 32 are substantially L-shaped, and an intersection point of straight lines where the angular lines of the first support section 31 and the second support section 32 are located is located on the central axis of the lock pin 4. The bottom end of the first supporting section 31 is bent towards the direction away from the lock pin 4 to form a first bending part 311, the first bending part 311 is clamped with the first driving unit 7, the bottom end of the second supporting section 32 is bent towards the direction away from the lock pin 4 to form a second bending part 321, and the second bending part 321 is clamped with the second driving unit 8.

The electromagnetic lock further includes a first elastic member 9 and a second elastic member 10, where the first elastic member 9 and the second elastic member 10 may be other elastic members such as springs, and the utility model is not limited further.

The first elastic piece 9 is arranged between the first bending part 311 and the first fixing frame 1, and is sleeved on the end part of the first driving unit 7 extending out of the first fixing frame 1; the second elastic member 10 is disposed between the second bending portion 321 and the second fixing frame 2, and is sleeved on an end portion of the second driving unit 8 extending out of the second fixing frame 2.

Specifically, when the electromagnetic lock needs to be unlocked, the two coils 6 are energized, the first driving unit 7 drives the first bending portion 311 to move along the direction of the first bending portion 311 toward the first fixing frame 1, so that the first elastic member 9 is compressed, and the second driving unit 8 drives the second bending portion 321 to move along the direction of the second bending portion 321 toward the second fixing frame 2, so that the second elastic member 10 is compressed. When the electromagnetic lock needs to be locked, the two coils 6 are powered off, and at this time, the first elastic element 9 and the second elastic element 10 have elastic forces for restoring to the original state, and because the first fixing frame 1 and the second fixing frame 2 are fixedly arranged in the lock shell 11, the first elastic element 9 applies a force along the direction of the first fixing frame 1 towards the first bending part 311 to the first bending part 311, and the second elastic element 10 applies a force along the direction of the second fixing frame 2 towards the second bending part 321 to the second bending part 321, so as to drive the movable frame 3 to move towards a direction away from the first fixing frame 1 and the second fixing frame 2, and further drive the lock pin 4 to move, thereby completing the electromagnetic lock falling locking operation.

In the embodiment of the utility model, the electromagnetic lock is vertically arranged, and the lock pin 4 jointly completes the locking work under the action of the elastic force of the first elastic piece 9 and the second elastic piece 10 and the action of the movable frame 3 and the gravity thereof.

The electromagnetic lock further comprises a lock shell 11, the driving mechanism, the bracket component and the lock pin 4 are arranged in the lock shell 11, the lock pin 5 is arranged at one end, far away from the movable frame 3, of the lock pin 4, the moving path of the lock pin 4 comprises a first position and a second position, when the lock pin 4 moves to the first position, the lock pin 5 is positioned in the lock shell 11, and when the lock pin 4 moves to the second position, the lock pin 5 is positioned outside the lock shell 11.

Through setting up lock shell 11 to make actuating mechanism, support subassembly and lockpin 4 move in the sealed cavity that lock shell 11 encloses, can avoid the electromagnetic lock to receive external environment's influence in the course of the work, improved the stability of electromagnetic lock work, can prolong the life of each part in the electromagnetic lock simultaneously, and then prolonged the life of electro-magnet.

The electromagnetic lock further comprises a lock tongue 5, the lock tongue 5 is arranged on one side, far away from the movable frame 3, of the lock pin 4, the lock tongue 5 is connected with the lock pin 4, the connection mode can be bolt connection or welding, and the like, and the electromagnetic lock is not limited further.

The lock tongue 5 may be a oblique tongue, a square tongue, a cylindrical tongue, a hook tongue, a single lock tongue 5 or a square lock tongue 5, etc., and the utility model is not limited further, and the lock tongue 5 is used for sealing a sliding door and a sliding door frame.

Specifically, the moving path of the lock pin 4 includes a first position and a second position, when the lock pin 4 moves to the first position, the electromagnetic lock is in an unlocked state, and the lock tongue 5 is located in the lock shell 11; when the lock pin 4 moves to the second position, the electromagnetic lock is in a locking state, and the lock tongue 5 is positioned outside the lock shell 11.

The lock shell 11 is made of stainless steel, and the lock shell 11 comprises a closed cavity formed by fixedly connecting an upper cover plate 111, a lower cover plate 112, a left cover plate 113 and a right cover plate 114, wherein the areas of the upper cover plate 111 and the lower cover plate 112 are larger than the cross section area of the closed cavity.

The lock shell 11 is made of stainless steel, so that the service life of the lock shell 11 is prolonged, and the service life of the electromagnetic lock is prolonged; meanwhile, the areas of the upper cover plate 111 and the lower cover plate 112 are larger than the cross section area of the closed cavity, so that the bending positions of the left cover plate 113 and the right cover plate 114 can be prevented from being sharp to scratch workers, and the working safety is improved.

The electromagnetic lock further comprises a lock pin shaft sleeve, wherein the lock pin shaft sleeve is sleeved on the lock pin 4 and fixedly arranged on the lower cover plate 112, and the lock pin shaft sleeve is in sliding fit with the lock pin 4 and is used for providing a guiding function for movement of the lock pin 4.

The electromagnetic lock further comprises two connecting lugs, the two connecting lugs are oppositely arranged on the lower cover plate 112 along the length direction of the movable frame 3, and the connecting lugs are used for locking the electromagnetic lock on the sliding door.

The electromagnetic lock further comprises a first inductor 12 and a second inductor 13, wherein the first inductor 12 is arranged on the first direction side of the first supporting section 31, the second inductor 13 is arranged on the first direction side of the second supporting section 32, the first direction side of the first supporting section 31 is provided with a first baffle plate 312, and the first direction side of the second supporting section 32 is provided with a second baffle plate 322; the first sensor 12 and the second sensor 13 each have a transmitting end and a receiving end, when the lock pin 4 moves to the first position, the first baffle 312 moves between the transmitting end and the receiving end of the first sensor 12, and when the lock pin 4 moves to the second position, the second baffle 322 moves between the transmitting end and the receiving end of the second sensor 13.

Through setting up first inductor 12 and second inductor 13 can detect the three operating condition of electromagnetic lock, including locking state, unblock state and unlocking and unblock state, improved the stability of electromagnetic lock work.

The electromagnetic lock further includes a first sensor 12 and a second sensor 13, where the first sensor 12 and the second sensor 13 may be other components with a travel switch function, such as a sensor, and the utility model is not limited in any way.

Specifically, the first inductor 12 is disposed on the first direction side of the first support section 31 and fixedly disposed on the right cover plate 114, and the second inductor 13 is disposed on the first direction side of the second support section 32 and fixedly disposed on the right cover plate 114.

The first direction side may be a direction perpendicular to the longitudinal direction of the movable frame 3.

The right cover 114 is provided with two connectors, one connector is electrically connected with the two coils 6 and is used for supplying power to the two coils 6, and the other connector is electrically connected with the first inductor 12 and the second inductor 13 and is used for supplying power to the first inductor 12 and the second inductor 13 and transmitting return messages of the first inductor 12 and the second inductor 13.

The electromagnetic lock further includes a first baffle 312 and a second baffle 322, the first baffle 312 is disposed on a side of the first support section 31 near the first sensor 12, the first baffle 312 is perpendicular to the first sensor 12, the second baffle 322 is disposed on a side of the second support section 32 near the second sensor 13, and the second baffle 322 is perpendicular to the second sensor 13.

Wherein the first inductor 12 and the second inductor 13 further comprise a transmitting end and a receiving end.

Specifically, the first sensor 12 is configured to determine whether the electromagnetic lock is in an unlocked state, when the first baffle 312 moves between the transmitting end and the receiving end of the first sensor 12, the first baffle 312 is disposed opposite to the first sensor 12, and the electromagnetic lock is in an unlocked state, and at this time, the first sensor 12 sends a return message with a true value of 1; the second sensor 13 is configured to determine whether the electromagnetic lock is in a locked state, and when the second baffle 322 moves between the transmitting end and the receiving end of the second sensor 13, the second baffle 322 is disposed opposite to the second sensor 13, and the electromagnetic lock is in a locked state, at this time, the second sensor 13 sends a return signal with a true value of 1; when the first baffle 312 is disposed in a staggered manner with respect to the first sensor 12 and the second baffle 322 is disposed in a staggered manner with respect to the second sensor 13, the electromagnetic lock is in an unlocked and unlocked state.

In the embodiment of the utility model, when two coils 6 are electrified, the first driving unit 7 and the second driving unit 8 drive the lock pin 4, the lock tongue 5, the first baffle plate 312 and the second baffle plate 322 to move together through the movable frame 3, at the moment, the first elastic piece 9 and the second elastic piece 10 are compressed, the first baffle plate 312 moves to the opposite side of the first sensor 12, the first baffle plate 312 is positioned between the transmitting end and the receiving end of the first sensor 12 and cuts off the light between the transmitting end and the receiving end of the first sensor 12, at the moment, the first sensor 12 sends a return signal with a true value of 1 through a connector; when the two coils 6 are powered off, under the action of the first elastic piece 9 and the second elastic piece 10, the moving frame 3 drives the first driving unit 7, the second driving unit 8, the lock pin 4, the lock tongue 5, the first baffle 312 and the second baffle 322 to work together, the second baffle 322 moves to the opposite side of the second sensor 13, the second baffle 322 is located between the transmitting end and the receiving end of the second sensor 13 and cuts off light rays between the transmitting end and the receiving end of the second sensor 13, and at the moment, the second sensor 13 sends a true value of 1 to return a message through the connector. So far, the electromagnetic lock is unlocked and locked once respectively, and the corresponding sliding door is opened and closed once respectively.

The electromagnetic lock further comprises an unlocking assembly, the unlocking assembly comprises a spanner 14, a rotating shaft 15, a rocker arm 16 and a rotary wheel 17, the spanner 14 is connected with the rocker arm 16 through the rotating shaft 15, the rocker arm 16 rotates synchronously with the spanner 14, one end, far away from the rotating shaft 15, of the rocker arm 16 is connected with the rotary wheel 17, and the rotary wheel 17 is arranged on one side, close to the moving frame 3, of the rocker arm 16; the rotating path of the rocker arm 16 comprises a first limit position and a second limit position, the wrench 14 drives the rocker arm 16 to rotate between the first limit position and the second limit position through the rotating shaft 15, when the rocker arm 16 is located at the first limit position, the electromagnetic lock is in an unlocking state, the rotary wheel 17 is abutted against the movable frame 3, when the rocker arm 16 is located at the second limit position, the electromagnetic lock is in a locking state, and a gap between the rotary wheel 17 and the movable frame 3 is A, and A is more than or equal to 3mm and less than or equal to 4mm.

When the electromagnet fails in a locking state and cannot be unlocked, the unlocking assembly can be used for manually unlocking, so that the working safety of the electromagnetic lock is improved, and the sliding door cannot be normally opened due to the failure of the electromagnetic lock.

The unlocking assembly comprises a spanner 14, a rotating shaft 15, a rocker arm 16 and a rotary wheel 17.

The wrench 14 is disposed outside the lock shell 11, the rocker arm 16 and the rotary wheel 17 are disposed inside the lock shell 11, a through hole is formed in a left cover plate 113 of the electromagnetic lock, the rotary shaft 15 penetrates through the left cover plate 113 through the through hole, one end of the rotary shaft 15 is connected with the wrench 14, and the other end of the rotary shaft 15 is connected with the rocker arm 16.

Specifically, the swiveling wheel 17 is disposed at one side of the connecting section 33 of the movable frame 3 near the lock tongue 5, and the swiveling wheel 17 is connected to one end of the rocker arm 16 far from the rotating shaft 15. The rotating path of the rocker arm 16 comprises a first limit position and a second limit position, the wrench 14 drives the rocker arm 16 to rotate between the first limit position and the second limit position through the rotating shaft 15, so that the rocker arm 16 drives the rotary wheel 17 to rotate, and when the rocker arm 16 rotates to the first limit position, the electromagnetic lock is in an unlocking state, and the rotary wheel 17 is abutted against the movable frame 3; when the rocker arm 16 is positioned at the second limit position, the electromagnetic lock is in a locking state, and the gap between the rotary wheel 17 and the movable frame 3 is A, wherein A is more than or equal to 3mm and less than or equal to 4mm.

In the embodiment of the present utility model, when the rocker arm 16 is located at the second limit position, the gap between the swiveling wheel 17 and the movable frame 3 is 3.5mm. Through setting up the electromagnetic lock and being 3.5mm in the clearance between gyratory pulley 17 and the movable frame 3 when locking state, the condition that the sliding door can't be closed tightly produces because the spring bolt 5 stretches out too short length when can avoid the electromagnetic lock to fall the lock, has improved the stability of electromagnetic lock work.

The unlocking assembly further comprises a limiting plate 18, the limiting plate 18 and the rocker arm 16 are located in the same plane, the limiting plate 18 is used for limiting the rocker arm 16 in the circumferential direction of the rotating shaft 15, and an included angle formed by the limiting plate 18 is B, and the included angle is more than or equal to 95 degrees and less than or equal to 105 degrees; when the rocker arm 16 rotates to the first limit position, the distance between the swiveling wheel 17 and the first fixed frame 1 is larger than the distance between the swiveling wheel 17 and the second fixed frame 2.

Can carry out spacingly to rocking arm 16 in the circumferencial direction of pivot 15 through setting up limiting plate 18, simultaneously through setting up limiting plate 18 contained angle and be greater than 90, the gyratory wheel 17 receives the gravity of moving frame 3 and lockpin 4 to take place to rotate when moving frame 3 looks butt through setting up the gyratory wheel 17, need not the staff after manual unblock promptly and hold spanner 14 always, has reduced manual labor volume, has improved work efficiency.

The unlocking assembly further includes a limiting plate 18, where the limiting plate 18 is disposed in the lock case 11 and is fixedly connected with the left cover plate 113, and the connection manner of the limiting plate 18 may be bolting or welding, etc., which is not limited in the present utility model.

Specifically, the limiting plate 18 and the rocker arm 16 are located in the same plane, the limiting plate 18 is approximately L-shaped, one end of the rocker arm 16, which is close to the rotating shaft 15, is abutted against the limiting plate 18, the rocker arm 16 can rotate in an included angle of the limiting plate 18, and the limiting plate 18 is used for limiting the rocker arm 16 in the circumferential direction of the rotating shaft 15.

Wherein the limiting plate 18 has an included angle B of 95 DEG to 105 DEG, and in the embodiment of the utility model, the limiting plate 18 has an included angle of 100 deg.

In the embodiment of the present utility model, taking the horizontal plane reference plane 0 ° as an example, the rocker arm 16 can rotate from-5 ° to 95 °, the rocker arm 16 is located at the first limit position when the rocker arm 16 rotates to 95 °, and the rocker arm 16 is located at the second limit position when the rocker arm 16 rotates to-5 °.

Specifically, when the included angle formed by the limiting plate 18 is 100 °, the distance between the rotary wheel 17 and the first fixing frame 1 is larger than the distance between the rotary wheel 17 and the second fixing frame 2 when the rocker arm 16 rotates to the first limit position, that is, the rocker arm 16 deflects along the direction of the first fixing frame 1 towards the second fixing frame 2, at this time, the resultant force direction of the force received by the rocker arm 16 is perpendicular to the contact surface of the rocker arm 16 and the limiting plate 18, in the embodiment of the utility model, when the rocker arm 16 is located at the first limit position, the resultant force direction received by the rocker arm 16 is perpendicular to the downward direction of the contact surface of the rocker arm 16 and the limiting plate 18, that is, the lower right side, so that the unlocking assembly forms self-locking, the rocker arm 16 can be prevented from rotating to the second limit position under the action of the gravity of the movable frame 3 and the locking pin 4, that is, after manual unlocking, no staff is required to hold the wrench 14 all the time, and the manual labor is reduced.

The unlocking assembly further comprises a third elastic piece 19, a fixing rod 20 is arranged in the middle of the limiting plate 18, the fixing rod 20 is arranged on one side, close to the lock pin 4, of the limiting plate 18, one end of the third elastic piece 19 is connected with the fixing rod 20, and the other end of the third elastic piece 19 is connected with the rotary wheel 17.

By arranging the third elastic piece 19 and the fixed rod 20, and connecting one end of the third elastic piece 19 with the fixed rod 20 and the other end with the rotary wheel 17, the self-locking force of the rocker arm 16 at the first limit position can be increased, and the working stability of the unlocking assembly is improved; meanwhile, the third elastic piece 19 replaces a worker to hold the wrench 14, so that the manual labor is reduced.

The unlocking assembly further includes a third elastic member 19, and the third elastic member 19 may be a spring or other elastic members, which is not limited in the present utility model.

The unlocking assembly further comprises a fixing rod 20, the fixing rod 20 is arranged on one side, close to the lock pin 4, of the limiting plate 18, the fixing plate is connected with the limiting plate 18, the connection mode of the fixing plate can be bolt connection or welding, and the unlocking assembly is not limited in any way.

Specifically, the limiting plate 18 is approximately L-shaped, the fixing rod 20 is disposed at an included angle of the limiting plate 18, the fixing rod 20 and the rotary wheel 17 are disposed at the same side of the limiting plate 18, one end of the third elastic member 19 is connected with the fixing rod 20, and the other end is connected with the rotary wheel 17. In the embodiment of the utility model, when the rocker arm 16 is located at the first limit position, the rotary wheel 17 is arranged at one side of the lock pin 4 close to the second fixing frame 2, at this time, the third elastic element 19 is in a stretched state, the third elastic element 19 applies a downward force perpendicular to the contact surface of the rocker arm 16 and the limiting plate 18 to the rotary wheel 17 and the rocker arm 16, and simultaneously, the limiting plate 18 applies a upward force perpendicular to the contact surface of the rocker arm 16 and the limiting plate 18 to the rotary wheel 17 and the rocker arm 16, so that the tensile force of the third elastic element 19 received by the rotary wheel 17 and the rocker arm 16 and the supporting force of the limiting plate 18 are balanced, and the rocker arm 16 is self-locked at the first limit position.

In another aspect of the embodiment of the present utility model, a shielding door system is provided, which includes the electromagnetic lock described above.

The shielding door system further comprises two sliding doors and a driving device, wherein electromagnetic locks are respectively arranged on the two sliding doors, and the driving device is connected with the sliding doors and is used for driving the sliding doors to open or close.

Specifically, the working principle of the shielding door system in the utility model is as follows: when the door is opened, the lock tongue 5 moves into the lock shell 11, the electromagnetic locks on the two sliding doors are in an unlocking state, and at the moment, the driving device drives the two sliding doors to be opened; when the door is closed, the lock tongue 5 moves out of the lock shell 11, and the electromagnetic locks on the two sliding doors are in a locking state.

According to the electromagnetic lock and the shielding door system provided by the embodiment of the utility model, the two driving units are arranged on the two sides of the lock pin 4 relatively to drive the lock pin 4 to move, so that the opening or closing reliability of the shielding door system can be ensured. In the prior art, in the unlocking or locking process of an electromagnetic lock, a driving shaft of a driving piece is easy to rotate, so that deviation occurs in the movement of a driven part, the friction between a lock pin 4 and a shaft sleeve is increased, mechanical faults are easy to cause, and the electromagnetic lock is low in service life and can only work for 30 ten thousand times. Compared with the prior art, in the utility model, the first driving unit 7 and the second driving unit 8 are oppositely arranged at two sides of the lock pin 4, so that the first driving unit 7 and the second driving unit 8 synchronously operate to drive the lock pin 4 to move together, the torsion force applied to the lock pin 4 in the moving process can be balanced, the lock pin 4 has only one degree of freedom, namely, the lock pin 4 can only reciprocate along the axial direction of the lock pin 4, and the working stability of the electromagnetic lock is improved; meanwhile, the friction force between the lock pin 4 and the shaft sleeve in the working process of the electromagnetic lock can be reduced, the service life of the lock pin 4 is prolonged, and further the service life of the electromagnetic lock is prolonged.

It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (10)

1. The utility model provides an electromagnetic lock, its characterized in that includes support subassembly, lockpin (4) and actuating mechanism, the support subassembly includes first mount (1), second mount (2) and removes frame (3), first mount (1) with second mount (2) are followed the length direction of removing frame (3) sets up relatively, lockpin (4) are fixed to be set up the middle part of removing frame (3), actuating mechanism includes first actuating unit (7) and second actuating unit (8), the one end setting of first actuating unit (7) is in first mount (1), the other end stretches out first mount (1) with remove frame (3), second actuating unit (8) set up in second mount (2) the other end stretches out second mount (2) with remove frame (3) and be connected, first actuating unit (7) with second actuating unit (8) can be followed the axial direction of removing (4) is in order to drive lockpin (3) remove through removing frame (4).

2. Electromagnetic lock according to claim 1, characterized in that the mobile frame (3) comprises a first support section (31) and a second support section (32), the first support section (31) and the second support section (32) are oppositely arranged along the length direction of the mobile frame (3), the first support section (31) and the second support section (32) are L-shaped, and the intersection point of the straight lines of the included angle bisectors of the first support section (31) and the second support section (32) is located on the central axis of the lock pin (4);

the bottom end of the first support section (31) is bent towards the direction away from the lock pin (4) to form a first bending part (311), and the bottom end of the second support section (32) is bent towards the direction away from the lock pin (4) to form a second bending part (321);

the electromagnetic lock further comprises a first elastic piece (9) and a second elastic piece (10), wherein the first elastic piece (9) is arranged between the first bending part (311) and the first fixing frame (1) and sleeved on the first driving unit (7), and the second elastic piece (10) is arranged between the second bending part (321) and the second fixing frame (2) and sleeved on the second driving unit (8).

3. The electromagnetic lock according to claim 2, further comprising a lock housing (11), wherein the drive mechanism, the bracket assembly and the lock pin (4) are arranged in the lock housing (11), wherein a lock tongue (5) is arranged at one end of the lock pin (4) away from the movable frame (3), wherein the movement path of the lock pin (4) comprises a first position and a second position, wherein the lock tongue (5) is arranged in the lock housing (11) when the lock pin (4) is moved to the first position, and wherein the lock tongue (5) is arranged outside the lock housing (11) when the lock pin (4) is moved to the second position.

4. The electromagnetic lock according to claim 3, further comprising a first inductor (12) and a second inductor (13), the first inductor (12) being arranged on a first directional side of the first support section (31), the second inductor (13) being arranged on the first directional side of the second support section (32), the first directional side of the first support section (31) having a first baffle (312), the first directional side of the second support section (32) having a second baffle (322);

the first inductor (12) and the second inductor (13) are respectively provided with a transmitting end and a receiving end, when the lock pin (4) moves to the first position, the first baffle plate (312) moves to a position between the transmitting end and the receiving end of the first inductor (12), and when the lock pin (4) moves to the second position, the second baffle plate (322) moves to a position between the transmitting end and the receiving end of the second inductor (13).

5. The electromagnetic lock according to claim 1, further comprising an unlocking assembly, the unlocking assembly comprising a wrench (14), a rotating shaft (15), a rocker arm (16) and a turning wheel (17), the wrench (14) being connected to the rocker arm (16) through the rotating shaft (15), the rocker arm (16) being rotated synchronously with the wrench (14), an end of the rocker arm (16) remote from the rotating shaft (15) being connected to the turning wheel (17), the turning wheel (17) being arranged on a side of the rocker arm (16) close to the mobile frame (3);

the rotating path of the rocker arm (16) comprises a first limit position and a second limit position, the wrench (14) drives the rocker arm (16) to rotate between the first limit position and the second limit position through the rotating shaft (15), when the rocker arm (16) is located at the first limit position, the electromagnetic lock is in an unlocking state, the rotary wheel (17) is abutted to the movable frame (3), when the rocker arm (16) is located at the second limit position, the electromagnetic lock is in a locking state, and a gap between the rotary wheel (17) and the movable frame (3) is A, and A is less than or equal to 3mm and less than or equal to 4mm.

6. The electromagnetic lock according to claim 5, wherein the unlocking assembly further comprises a limiting plate (18), the limiting plate (18) and the rocker arm (16) are located in the same plane, the limiting plate (18) is used for limiting the rocker arm (16) in the circumferential direction of the rotating shaft (15), and an included angle formed by the limiting plate (18) is B, and B is 95 ° -105 °;

when the rocker arm (16) rotates to the first limit position, the distance between the rotary wheel (17) and the first fixing frame (1) is larger than the distance between the rotary wheel (17) and the second fixing frame (2).

7. The electromagnetic lock according to claim 6, wherein the unlocking assembly further comprises a third elastic member (19), a fixing rod (20) is arranged in the middle of the limiting plate (18), the fixing rod (20) is arranged on one side, close to the lock pin (4), of the limiting plate (18), one end of the third elastic member (19) is connected with the fixing rod (20), and the other end of the third elastic member is connected with the rotary wheel (17).

8. The electromagnetic lock according to claim 3, wherein the lock case (11) is made of stainless steel, the lock case (11) comprises a closed cavity surrounded by an upper cover plate (111), a lower cover plate (112), a left cover plate (113) and a right cover plate (114) which are fixedly connected, and the areas of the upper cover plate (111) and the lower cover plate (112) are larger than the cross-sectional area of the closed cavity.

9. A shielded door system comprising an electromagnetic lock according to any one of claims 1-8.

10. The shielding door system of claim 9, further comprising two sliding doors on which the electromagnetic locks are respectively disposed, and a driving device connected to the sliding doors for driving the sliding doors to open or close.