CN214697324U

CN214697324U - Electromagnetic lock for full-height door

Info

Publication number: CN214697324U
Application number: CN202120003780.0U
Authority: CN
Inventors: 戈建鸣; 卢成; 张彬锋; 吕刚
Original assignee: KTK Group Co Ltd
Current assignee: KTK Group Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-11-12
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses an electromagnetic lock for a full-height door, which comprises a main board, an electromagnetic valve, a connecting block, a fixed shaft, a torsional spring, a limit shaft, a travel switch component, a sliding door bracket component, a lock gear component and a lock plate component; the sliding door bracket assembly is positioned at the lower part of the main board and comprises a first sliding door bracket and a second sliding door bracket; the lock catch component comprises a first lock catch and a second lock catch, the first lock catch is arranged on the first sliding door support, and the second lock catch is arranged on the second sliding door support; the locking plate assembly comprises a locking plate body, the locking plate body is rotatably connected to the fixed shaft, a first locking hook is arranged on one side, close to the first locking rail, of the locking plate body, a second locking hook is arranged on one side, close to the second locking rail, of the locking plate body, and a transmission plate block is arranged on the upper portion of the locking plate body. The utility model discloses simple structure, the machining precision is low, the installation of being convenient for, and the stable performance, difficult trouble.

Description

Electromagnetic lock for full-height door

Technical Field

The utility model relates to a subway electromagnetic lock technical field especially relates to a full high door electromagnetic lock.

Background

At present, in the prior art, along with the development of city subway, subway full high door demand is more and more, and in whole full high door system module, the sliding door is the door body that frequency of use is the highest, and in the sliding door system of opening, the electromagnetic lock is the most critical core component, and whether the function of electromagnetic lock is reliable and is related to the door body and can normally open. But most electromagnetic lock structure is complicated at present, and the machining precision is high, and is difficult to the installation, and the practicality is not high, and the solenoid valve always needs the circular telegram when opening and closing the door, is unfavorable for the life of solenoid valve, leads to the fault rate of electromagnetic lock high, the performance unstability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, overcome prior art not enough, provide a full high door electromagnetic lock, its simple structure, the machining precision is low, the installation of being convenient for, and the stable performance is difficult for breaking down.

In order to solve the technical problem, the technical scheme of the utility model is that:

an electromagnetic lock for a full-height door comprises a main board, an electromagnetic valve, a connecting block, a fixed shaft, a torsion spring, a limiting shaft, a travel switch assembly, a sliding door support assembly, a lock gear assembly and a lock plate assembly; the travel switch assembly is arranged on the upper portion of the main board and comprises a first travel switch and a second travel switch and is used for feeding back opening and locking signals of the electromagnetic lock; the sliding door support assembly is positioned at the lower part of the main board, comprises a first sliding door support and a second sliding door support and is used for being installed at the top of the sliding door body; the lock catch component comprises a first lock catch and a second lock catch, the first lock catch is arranged on the first sliding door support, and the second lock catch is arranged on the second sliding door support; the fixed shaft is arranged in the middle of the main board; the lock plate assembly comprises a lock plate body, the lock plate body is rotatably connected to the fixed shaft, a first lock hook is arranged on one side, close to the first lock stop, of the lock plate body, a second lock hook is arranged on one side, close to the second lock stop, of the lock plate body, a transmission plate block is arranged on the upper portion of the lock plate body, the first lock stop and the second lock stop are respectively located in the first lock hook and the second lock hook in a door locking state, and the upper end of the transmission plate block is in contact with the second travel switch; the torsion spring is sleeved on the fixed shaft, one end of the torsion spring is fixedly connected to the main board, and the other end of the torsion spring is fixedly connected to the locking plate body; the limiting shaft is arranged on the main board, is close to the locking plate assembly and is used for limiting the locking plate assembly; the electromagnetic valve is arranged at the upper part of the main board and is positioned between the first travel switch and the second travel switch, one end of the electromagnetic valve is rotatably connected with one end of the connecting block, and the other end of the electromagnetic valve is close to the first travel switch; the other end of the connecting block is rotatably connected with the upper end of the transmission plate; the first lock catch and the second lock catch can slide inwards along the outer sides of the first lock hook and the second lock hook respectively until the first lock catch and the second lock hook fall into the first lock hook and the second lock hook to complete locking.

Further, the outer sides of the first locking hook and the second locking hook are both oblique angles, and the inner sides of the first locking hook and the second locking hook are both right angles.

Further, the outer oblique angle angles of the first locking hook and the second locking hook are both 45 degrees.

Further, the bottom of the lock plate body is further provided with an unlocking plate block for manual unlocking, and the unlocking plate block can drive the lock plate body to rotate under the action of manual unlocking of the sliding door, so that the first lock hook and the second lock hook are separated from the first lock catch and the second lock catch respectively.

Further, the full-height door electromagnetic lock further comprises a manual unlocking travel switch, and the manual unlocking travel switch is arranged at the bottom of the main board and used for feeding back a manual unlocking signal; the bottom of the manual unlocking travel switch is provided with a contact, the bottom of the manual unlocking travel switch is also provided with a trigger card, one end of the trigger card is flexibly connected with the bottom of the manual unlocking travel switch, and the other end of the trigger card is close to the lower end of the unlocking plate; the trigger card can rotate upwards around one end of the flexible connection under the action of manual unlocking of the sliding door, and the unlocking plate is pushed to rotate upwards to realize unlocking while the trigger card touches the contact.

Further, the unlocking plate and the locking plate body are integrally formed.

Furthermore, the first lock hook, the second lock hook and the transmission plate are integrally formed with the lock plate body.

Furthermore, lightening holes are formed in the first locking hook, the second locking hook and the transmission plate.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

1. the utility model discloses a connection cooperation between each part drives the connecting block through solenoid valve circular telegram is flexible and removes, drives the rotation of transmission plate again to drive the jam plate body and rotate together with first latch hook, the second latch hook on it, and then make first latch hook, second latch hook break away from first lock shelves and second lock shelves, in order to accomplish the unblock, solenoid valve circular telegram tail end extends to trigger first travel switch simultaneously, opens the door for the system with the transmission door opening signal. The whole structure is simple, the processing precision is low, and the performance is stable and reliable.

2. The utility model discloses overall structure is small, installs in a body top, only needs to use door body coupling just on first sliding door support and second sliding door support, simple to operate, and the practicality is higher.

3. Through the connection design of the torsion spring, the limiting shaft, the locking plate assembly, the fixed shaft and the like, the electromagnetic valve is immediately powered off and returns to the position after the door is opened, the locking plate assembly also returns to the locking position under the action of the torsion spring, when the door is closed next time, the door body can drive the first sliding door support, the second sliding door support, the first locking gear and the second locking gear on the first sliding door support and the second sliding door support to be inwards folded when being folded towards the middle, and the first locking gear and the second locking gear slide into the locking hooks through the outer sides of the first locking hook and the second locking hook to complete locking, and meanwhile, the transmission plate re-triggers the second travel switch after being temporarily rotated away from the second travel switch to feed back a door closing signal to confirm the system. The electromagnetic valve has short power-on time in the whole door opening and closing process, the service life of the electromagnetic valve is well prolonged, the failure rate of the electromagnetic lock is reduced, and the stability is further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention in a locked state;

FIG. 3 is a schematic view of the structure of the present invention during unlocking;

wherein, 1, the main board; 2. an electromagnetic valve; 3. connecting blocks; 4. a fixed shaft; 5. a torsion spring; 6. a limiting shaft; 9. a lock plate body; 11. a first travel switch; 12. a second travel switch; 13. manually unlocking a travel switch; 71. a first sliding door bracket; 72. a second sliding door bracket; 81. a first lock gear; 82. a second lock gear; 91. a first latch hook; 92. a second latch hook; 93. a transmission plate; 94. unlocking the plate; 130. a contact; 131. triggering the card; 900. and (7) lightening holes.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1 to 3, in the present embodiment, an electromagnetic lock for a full-height door is composed of a main board 1, an electromagnetic valve 2, a connecting block 3, a fixing shaft 4, a torsion spring 5, a limiting shaft 6, a travel switch assembly, a sliding door bracket assembly, a lock catch assembly and a lock plate assembly; the travel switch assembly is fixed on the upper part of the mainboard 1 through a screw bracket and comprises a first travel switch 11 and a second travel switch 12 which are used for feeding back opening and locking signals of the electromagnetic lock; the sliding door support assembly is positioned at the lower part of the main board 1, and comprises a first sliding door support 71 and a second sliding door support 72, and the first sliding door support 71 and the second sliding door support 72 are arranged at the top of a sliding door body and are driven to slide towards two sides or towards the inner side when the door body is opened and closed; the lock catch assembly comprises a first lock catch 81 and a second lock catch 82, wherein the first lock catch 81 is welded on the first sliding door support 71, and the second lock catch 82 is welded on the second sliding door support 72; the fixed shaft 4 is arranged in the middle of the main board 1; the locking plate assembly comprises a locking plate body 9, the locking plate body 9 is rotatably connected to the fixed shaft 4, a first locking hook 91 is arranged on one side, close to the first locking rail 81, of the locking plate body 9, a second locking hook 92 is arranged on one side, close to the second locking rail 82, of the locking plate body 9, a transmission plate block 93 is arranged on the upper portion of the locking plate body 9, the first locking rail 81 and the second locking rail 82 are respectively located in the first locking hook 91 and the second locking hook 92 in a door locking state, and the upper end of the transmission plate block 93 is in contact with the second travel switch 12; the torsion spring 5 is sleeved on the fixed shaft 4, one end of the torsion spring is fixedly connected to the main board 1, and the other end of the torsion spring is fixedly connected to the locking plate body 9; the limiting shaft 6 is arranged on the main board 1 and close to the locking board assembly and is used for limiting the locking board assembly; the electromagnetic valve 2 is arranged on the upper part of the main board 1 and is positioned between the first travel switch 11 and the second travel switch 12, one end of the electromagnetic valve 2 is rotatably connected with one end of the connecting block 3, and the other end of the electromagnetic valve 2 is close to the first travel switch 11; the other end of the connecting block 3 is rotatably connected with the upper end of the transmission plate 93; the first lock rail 81 and the second lock rail 82 can slide inwards along the outside of the first lock hook 91 and the second lock hook 92 respectively until the first lock hook 91 and the second lock hook 92 fall into to complete the locking.

Through the above design, in this embodiment, when the lock needs to be unlocked, referring to the main view angle of fig. 1 to 3, the electromagnetic valve 2 is energized, the front end of the electromagnetic valve 2 moves rightwards to drive the connecting block 3 to move rightwards, and then the transmission plate 93 is driven to rotate clockwise, and the lock plate body 9 and the first lock hook 91 and the second lock hook 92 thereon are driven to rotate clockwise around the fixing shaft 4 together, so that the first lock hook 91 and the second lock hook 92 are separated from the first lock stop 81 and the second lock stop 82 to complete the unlocking, meanwhile, the energizing tail end of the electromagnetic valve 2 also extends rightwards to trigger the first travel switch 11, the first travel switch 11 further transmits a door opening signal to the system to open the door, the door body moves towards both sides, and the first sliding door support 71 and the second sliding door support 72, and the first lock stop 81 and the second lock stop 82 thereon also slide towards both sides.

After the door is opened, the electromagnetic valve 2 is powered off and returns to the original position, and the locking plate assembly rotates anticlockwise to return to the locking position under the action of the rotary force of the torsion spring 5 and is limited and positioned by the limiting shaft 6.

When the door is closed and locked, the door bodies on the two sides are folded towards the middle to drive the first sliding door support 71, the second sliding door support 72 and the first lock stop 81 and the second lock stop 82 on the first sliding door support to move towards the middle, the first lock stop 81 and the second lock stop 82 press the first lock hook 91 and the second lock hook 92 to rotate and slide into the lock hooks from the outer sides of the first lock hook 91 and the second lock hook 92, and the first lock hook 91 and the second lock hook 92 return to the original positions under the action of the lock plate body 9 and the torsion spring 5 to lock the door. Meanwhile, the driving plate 93 can momentarily rotate away from the second travel switch 12 under the driving of the locking plate body 9, and then return to the original position to trigger the second travel switch 12, and the second travel switch 12 can feed back a door closing signal to the system to confirm that the door is locked.

The whole structure of this embodiment is simple, and the machining precision is low, and the stable performance is reliable, and small, but direct mount in a body top, simple to operate, the practicality is higher. The electromagnetic valve 2 is short in power-on time in the whole door opening and closing and lock opening and closing process, so that the service life of the electromagnetic valve 2 is prolonged well, the failure rate of the electromagnetic lock is reduced, and the stability is further improved.

In order to make the first lock catch 81 and the second lock catch 82 more smoothly and continuously locked therebetween, the outer sides of the first lock hook 91 and the second lock hook 92 in the present embodiment are both an oblique angle, and the inner sides of the first lock hook 91 and the second lock hook 92 are both a right angle. First latch hook 91 and second latch hook 92 directly can rotate when outside oblique angle makes things convenient for first lock shelves 81 and second lock shelves 82 to oppress, give first lock shelves 81 and second lock shelves 82 sliding space in order to fall into the latch hook, so the process of locking is more smooth swift, makes overall structure practical stable more. The inside right angle design is that the first fender 81 of restriction and second fender 82 slide to the outside better, fully pins and fixes the door body, and the security is higher. In the present embodiment, the outer oblique angles of the first locking hook 91 and the second locking hook 92 are both 45 degrees, and the 45 degree angle is proved to be the most labor-saving way in the acute angle.

In order to prevent the electromagnetic valve from being unlocked in a failure or in a short power of the door controller, an unlocking plate 94 is further disposed at the bottom of the locking plate body 9 in this embodiment, and is used for manual unlocking, and the unlocking plate 94 can drive the locking plate body 9 to rotate under the action of manual unlocking of the sliding door, so that the first locking hook 91 and the second locking hook 92 are separated from the first locking rail 81 and the second locking rail 82 respectively, and unlocking is further achieved. The whole convenience and practicability can be improved by the arrangement.

In the past, manual unlocking does not have independent signal feedback, and electromagnetic unlocking or manual unlocking states cannot be distinguished, so that the manual unlocking travel switch 13 is added to the manual unlocking device in the embodiment to improve convenience and safety. The specific structure is that manual unblock travel switch 13 sets up in mainboard 1 bottom, and contact 130 is installed to manual unblock travel switch 13 bottom, and manual unblock travel switch 13 bottom still is provided with and triggers card 131, triggers card 131 one end and manual unblock travel switch 13 bottom flexonics, and the other end is pressed close to unblock plate 94 lower extreme. During the use, install manual unlocking device on the door body, manual unlocking device ejector pin is located below manual unblock travel switch 13, only need pull manual unblock handle, trigger card 131 and can upwards rotate around flexonics's one end under the effect of manual unlocking device ejector pin, touch contact 130 and trigger manual unblock travel switch 13 promptly, also promote unblock plate 94 upwards to rotate in order to realize the unblock simultaneously, manual unblock travel switch 13 that is triggered can feed back manual unblock signal and give the system, and then realize opening the door. The arrangement achieves two purposes at one time, and the synchronism is higher.

In order to reduce some connecting gaps and improve consistency, the unlocking plate 94 in this embodiment is integrally formed with the locking plate body 9, and the first locking hook 91, the second locking hook 92 and the transmission plate 93 are integrally formed with the locking plate body 9. So set up the clearance that can prevent the components of a whole that can function independently connection, it is more even during the transmission power, the uniformity when strengthening the jam plate subassembly and rotating makes the switch lock more swift rapidly.

In order to reduce the weight of the lock plate assembly, the first locking hook 91, the second locking hook 92 and the transmission plate 93 in this embodiment are provided with lightening holes 900. So set up the weight that has alleviateed the jam plate subassembly, it is both lighter and more nimble when making to rotate to unblank and return shutting, also alleviateed solenoid valve 2's burden, and then extension solenoid valve 2's life and improvement whole continuity and stability.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a full high door electromagnetic lock which characterized in that: the safety door comprises a main board (1), an electromagnetic valve (2), a connecting block (3), a fixed shaft (4), a torsion spring (5), a limiting shaft (6), a travel switch assembly, a sliding door support assembly, a lock gear assembly and a lock plate assembly;

the travel switch assembly is arranged on the upper portion of the main board (1), and comprises a first travel switch (11) and a second travel switch (12) which are used for feeding back opening and locking signals of the electromagnetic lock; the sliding door bracket assembly is positioned at the lower part of the main board (1), and comprises a first sliding door bracket (71) and a second sliding door bracket (72) which are used for being installed at the top of a sliding door body; the lock catch assembly comprises a first lock catch (81) and a second lock catch (82), the first lock catch (81) is arranged on the first sliding door support (71), and the second lock catch (82) is arranged on the second sliding door support (72); the fixed shaft (4) is arranged in the middle of the main board (1);

the lock plate assembly comprises a lock plate body (9), the lock plate body (9) is rotatably connected to the fixed shaft (4), a first lock hook (91) is arranged on one side, close to the first lock retainer (81), of the lock plate body (9), a second lock hook (92) is arranged on one side, close to the second lock retainer (82), of the lock plate body (9), a transmission plate block (93) is arranged on the upper portion of the lock plate body (9), the first lock retainer (81) and the second lock retainer (82) are respectively located in the first lock hook (91) and the second lock hook (92) in a door locking state, and the upper end of the transmission plate block (93) is in contact with the second travel switch (12);

the torsion spring (5) is sleeved on the fixed shaft (4), one end of the torsion spring is fixedly connected to the main board (1), and the other end of the torsion spring is fixedly connected to the locking board body (9); the limiting shaft (6) is arranged on the main board (1) and close to the lock board assembly and used for limiting the lock board assembly; the electromagnetic valve (2) is arranged on the upper portion of the main board (1) and located between the first travel switch (11) and the second travel switch (12), one end of the electromagnetic valve (2) is rotatably connected with one end of the connecting block (3), and the other end of the electromagnetic valve (2) is close to the first travel switch (11); the other end of the connecting block (3) is rotatably connected with the upper end of the transmission plate (93);

the first lock catch (81) and the second lock catch (82) can slide inwards along the outer sides of the first lock hook (91) and the second lock hook (92) respectively until the first lock hook (91) and the second lock hook (92) fall into the first lock hook (91) and the second lock hook (92) to complete locking.

2. The all-high door electromagnetic lock according to claim 1, characterized in that: the outer sides of the first locking hook (91) and the second locking hook (92) are both oblique angles, and the inner sides of the first locking hook (91) and the second locking hook (92) are both right angles.

3. The all-high door electromagnetic lock according to claim 2, characterized in that: the outer oblique angle of the first locking hook (91) and the outer oblique angle of the second locking hook (92) are both 45 degrees.

4. The all-high door electromagnetic lock according to claim 1, characterized in that: the bottom of the lock plate body (9) is further provided with an unlocking plate block (94) for manual unlocking, and the unlocking plate block (94) can drive the lock plate body (9) to rotate under the action of manual unlocking of the sliding door, so that the first lock hook (91) and the second lock hook (92) are separated from the first lock catch (81) and the second lock catch (82) respectively.

5. The all-high door electromagnetic lock according to claim 4, wherein: the manual unlocking travel switch (13) is arranged at the bottom of the main board (1) and used for feeding back a manual unlocking signal; a contact (130) is installed at the bottom of the manual unlocking travel switch (13), a trigger card (131) is further arranged at the bottom of the manual unlocking travel switch (13), one end of the trigger card (131) is flexibly connected with the bottom of the manual unlocking travel switch (13), and the other end of the trigger card is close to the lower end of the unlocking plate block (94); the trigger card (131) can rotate upwards around one end of the flexible connection under the action of manual unlocking of the sliding door, and pushes the unlocking plate (94) to rotate upwards to realize unlocking while touching the contact (130).

6. The all-high door electromagnetic lock according to claim 4, wherein: the unlocking plate (94) and the locking plate body (9) are integrally formed.

7. The all-high door electromagnetic lock according to claim 1 or 6, characterized in that: the first locking hook (91), the second locking hook (92) and the transmission plate (93) are integrally formed with the locking plate body (9).

8. The all-high door electromagnetic lock according to claim 1, characterized in that: lightening holes (900) are formed in the first locking hook (91), the second locking hook (92) and the transmission plate (93).