CN210659589U - Campus security entrance guard's lock - Google Patents
Campus security entrance guard's lock Download PDFInfo
- Publication number
- CN210659589U CN210659589U CN201921073204.2U CN201921073204U CN210659589U CN 210659589 U CN210659589 U CN 210659589U CN 201921073204 U CN201921073204 U CN 201921073204U CN 210659589 U CN210659589 U CN 210659589U
- Authority
- CN
- China
- Prior art keywords
- lock
- door
- electromagnetic
- groove
- fixed shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model relates to an entrance guard's lock technical field especially relates to a campus safety entrance guard's lock. The electromagnetic controller is in a power-off state when the door is closed, and is electrified to attract the electromagnetic core block to move upwards when the door is opened, so that the lock block is pulled to move downwards by the wane and is separated from the lock groove on the door frame, the door lock is automatically opened, the electromagnetic controller is electrified to work only when the door is opened, and the power consumption is greatly reduced and energy is saved compared with that of the traditional electromagnetic lock; the outside people can only open the door through the key under the power failure state, and inside people can open the door at any time through the button to also can play the effect of theftproof under the state that has a power failure, solved traditional electromagnetic door lock completely inefficacy under the power failure state, the gate outside can be opened at will, has the problem of certain potential safety hazard.
Description
Technical Field
The utility model relates to an entrance guard's lock technical field especially relates to a campus safety entrance guard's lock.
Background
At present, along with the development of science and technology, more and more occasions select to use the entrance guard lock, and its mode of unblanking is also diversified. In the prior art, most of access control systems such as fingerprint identification unlocking, iris identification unlocking or facial identification unlocking are adopted; the electromagnetic controller is used for firmly sucking the fixed metal block on the glass door to seal the door lock, the electromagnetic controller is normally in a closed state in daily life, the electromagnetic controller is always in a power-on working state, the electromagnetic controller is partially powered on to generate heat to cause energy waste, and the electromagnetic controller is high in power consumption after being used for a long time.
The electromagnetic door lock completely fails in a power-off state, the door can be opened at will, people outside the door can enter a building at will, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to the technical insufficiency, and a campus safety entrance guard lock is provided, by adopting the design of the power-off safety lock device, the electromagnetic controller is in the power-off state under the door-closing state, and the electromagnetic controller is powered on to attract the electromagnetic core block to move upwards when the door is opened, so that the lock block is pulled to move downwards by the wane and is separated from the lock groove on the door frame, the door lock is automatically opened, the electromagnetic controller is powered on to work only when the door is opened, and the power consumption is greatly reduced and energy is saved corresponding to the traditional electromagnetic lock; the outside people can only open the door through the key under the power failure state, and inside people can open the door at any time through the button to also can play the effect of theftproof under the state that has a power failure, solved traditional electromagnetic door lock completely inefficacy under the power failure state, the gate outside can be opened at will, has the problem of certain potential safety hazard.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the system comprises a wall body, a glass door, an entrance guard identification machine and a power-off safety lock device; a door frame is vertically and fixedly arranged on one side of the wall body; the right side of the glass door is connected with the door frame through a hinge; an aluminum alloy wrap angle is arranged on the left side of the glass door; the power-off safety lock device is arranged inside the aluminum alloy wrap angle; the entrance guard identification machine is fixedly arranged on a wall body outside the glass door; the power-off safety lock device comprises a lock body box, a lock block, a warping plate, an internal control box, a V-shaped internal control rod, a door lock, an electromagnetic core block and an electromagnetic controller; the lock body box is fixedly installed at the top end inside the aluminum alloy wrap angle.
Further optimizing the technical scheme, a first fixed shaft is arranged at the middle position in the lock body box; the middle part of the wane is connected with a rotating shaft of the first fixed shaft; a first torsion spring is arranged at the connecting position of the rocker and the rotating shaft of the first fixed shaft; and two ends of the first torsion spring are respectively clamped with the rocker and the first fixed shaft.
Further optimizing the technical scheme, the left end of the wane is provided with a clamping groove; a guide groove is vertically arranged above the left side of the inner part of the lock body box; the locking block is connected inside the guide groove in a sliding manner; the bottom of the locking block is provided with an upright post; a stop block is arranged at the bottom of the upright post; the stand passes through the dog card inside the draw-in groove.
Further optimizing the technical scheme, the electromagnetic core block is fixedly arranged at the top position of the right side of the wane; the electromagnetic controller is fixedly arranged on the door frame; a lock groove is formed in the left side of the electromagnetic controller on the door frame; under the state that the glass door is closed, the electromagnetic controller corresponds to the electromagnetic core block up and down; the locking piece top joint is in the locked groove inside.
The technical scheme is further optimized, and the door lock is arranged at the right side position in the middle of the aluminum alloy wrap angle; the internal control box is fixedly arranged at the left side position of the middle part of the aluminum alloy wrap angle.
Further optimizing the technical scheme, a second fixed shaft is arranged at the middle position in the inner control box; the middle part of the V-shaped inner control rod is connected with a rotating shaft of a second fixed shaft; a second torsion spring is arranged at the connecting position of the V-shaped inner control rod and the rotating shaft of the second fixed shaft; and two ends of the second torsion spring are respectively clamped with the V-shaped inner control rod and the second fixed shaft.
Further optimizing the technical scheme, the included angle of the V-shaped inner control rod is an obtuse angle; the opening end of the V-shaped inner control rod faces towards the upper part of the right side.
Further optimizing the technical scheme, a sliding groove is formed in the left side position of the internal control box; the middle part of the sliding chute is connected with a button in a sliding way; limiting blocks are arranged at the two ends of the right side of the button; a groove is formed in the right side of the button; the left end of the V-shaped inner control rod is in contact with the bottom surface of the groove.
Further optimizing the technical scheme, the bottom of the lock body box is provided with a first through hole; the top of the internal control box is provided with a second through hole; a main control steel wire is fixedly arranged below the left side of the middle part of the wane; the main control steel wire penetrates through the middle part of the first through hole; two control steel wires are arranged at the bottom of the main control steel wire; one of the control steel wires penetrates through the second through hole and then is fixed with the right end of the V-shaped inner control rod; the left end of the door lock is provided with a shifting piece; the bottom of the other control steel wire is fixed with the left end of the shifting sheet.
Compared with the prior art, the utility model has the advantages of it is following: 1. the design of the wane, the electromagnetic controller is in the power-off state under the door closing state, the electromagnetic controller is electrified to attract the electromagnetic core block to move upwards when the door is opened, so that the rocker pulls the locking block to move downwards and is separated from the locking groove on the door frame, the door lock is automatically opened, the electromagnetic controller is electrified to work only when the door is opened, and the power consumption is greatly reduced and energy is saved compared with that of the traditional electromagnetic lock; 2. when people open the door in the building in the power failure state, the glass door can be opened by pushing the button part of the glass door; 3. in the power failure state, an outside person can only open the glass door through a key; 4. the door lock, the electromagnetic controller and the button can control the switch of the door lock and complement the influence; 5. the whole door lock can be used in a power-on or power-off state, so that the safety coefficient is high; 6. the steel wire is used for connecting the control part and the execution part, and the phenomena of elongation and deformation can not occur when the steel wire is used for a long time.
Drawings
Fig. 1 is a schematic view of an overall installation state of a campus security access lock.
Fig. 2 is an enlarged view of a partial structure of a campus security entrance guard lock in a closed state of a glass door.
Fig. 3 is a schematic view of an overall connection structure of a power-off security lock device of a campus security access lock.
Fig. 4 is a schematic view of a power-off safety lock device connection transmission structure of a campus safety access lock.
Fig. 5 is a partial sectional view of an internal mounting structure of a lock body box of a power-off safety lock device of a campus safety access lock.
Fig. 6 is a partial sectional view of an internal mounting structure of an internal control box of a power-off security lock device of a campus security access lock.
In the figure: 1. a wall body; 101. a door frame; 102. locking the groove; 2. a glass door; 201. wrapping corners with aluminum alloy; 3. an entrance guard identification machine; 4. a power-off safety lock device; 401. a lock body box; 402. a locking block; 403. a seesaw; 404. an internal control box; 405. a V-shaped inner control rod; 406. a door lock; 407. an electromagnetic core block; 408. an electromagnetic controller; 409. a first fixed shaft; 410. a first torsion spring; 411. a card slot; 412. a guide groove; 413. a column; 414. a stopper; 415. a second fixed shaft; 416. a second torsion spring; 417. a chute; 418. a button; 419. a limiting block; 420. a groove; 421. a first through hole; 422. a second through hole; 423. a master control steel wire; 424. controlling the steel wire; 425. a shifting sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows: as shown in the combined drawings of FIGS. 1-6, a campus security entrance guard lock is characterized in that: the door access system comprises a wall body 1, a glass door 2, an access control recognition machine 3 and a power-off safety lock device 4; a door frame 101 is vertically and fixedly arranged on one side of the wall body 1; the right side of the glass door 2 is connected with a door frame 101 through a hinge; an aluminum alloy wrap angle 201 is arranged on the left side of the glass door 2; the power-off safety lock device 4 is arranged inside the aluminum alloy wrap angle 201; the entrance guard recognition machine 3 is fixedly arranged on the wall body 1 outside the glass door 2; the power-off safety lock device 4 comprises a lock body box 401, a lock block 402, a rocker 403, an internal control box 404, a V-shaped internal control rod 405, a door lock 406, an electromagnetic core block 407 and an electromagnetic controller 408; the lock body box 401 is fixedly arranged at the top end inside the aluminum alloy wrap angle 201; a first fixed shaft 409 is arranged in the middle of the lock body box 401; the middle part of the rocker 403 is connected with a first fixed shaft 409 through a rotating shaft; a first torsion spring 410 is arranged at the rotating shaft connecting position of the rocker 403 and the first fixed shaft 409; two ends of the first torsion spring 410 are respectively clamped with the rocker 403 and the first fixing shaft 409; a clamping groove 411 is formed in the left end of the rocker 403; a guide groove 412 is vertically arranged above the left side inside the lock body box 401; the locking block 402 is slidably connected inside the guide groove 412; the bottom of the locking block 402 is provided with a vertical column 413; a stop block 414 is arranged at the bottom of the upright 413; the upright column 413 is clamped inside the clamping groove 411 through a stop block 414; the electromagnetic core block 407 is fixedly arranged at the top position of the right side of the rocker 403; the electromagnetic controller 408 is fixedly installed on the door frame 101; a lock groove 102 is arranged on the door frame 101 at the left side of the electromagnetic controller 408; in the closed state of the glass door 2, the electromagnetic controller 408 and the electromagnetic core block 407 correspond up and down; the upper part of the locking block 402 is clamped in the locking groove 102; the door lock 406 is arranged at the right side position in the middle of the aluminum alloy wrap angle 201; the internal control box 404 is fixedly arranged at the left side position in the middle of the aluminum alloy wrap angle 201; a second fixing shaft 415 is arranged in the middle of the inner control box 404; the middle part of the V-shaped inner control rod 405 is connected with a second fixed shaft 415 in a rotating shaft manner; a second torsion spring 416 is arranged at the rotating shaft connecting position of the V-shaped inner control rod 405 and the second fixed shaft 415; two ends of the second torsion spring 416 are respectively clamped with the V-shaped inner control rod 405 and the second fixed shaft 415; the included angle of the V-shaped inner control rod 405 is an obtuse angle; the open end of the V-shaped inner control rod 405 faces the upper right side; a chute 417 is arranged at the left side position of the internal control box 404; a button 418 is connected to the middle of the sliding groove 417 in a sliding manner; a limiting block 419 is arranged at the two ends of the right side of the button 418; a groove 420 is formed in the right side of the button 418; the left end of the V-shaped inner control rod 405 is contacted with the bottom surface of the groove 420; the bottom of the lock body box 401 is provided with a first through hole 421; the top of the internal control box 404 is provided with a second through hole 422; a main control steel wire 423 is fixedly arranged below the left side of the middle part of the rocker 403; the main control steel wire 423 penetrates through the middle of the first through hole 421; the bottom of the main control steel wire 423 is provided with two control steel wires 424; one of the control steel wires 424 penetrates through the second through hole 422 and is fixed with the right end of the V-shaped inner control rod 405; the left end of the door lock 406 is provided with a shifting piece 425; the bottom of the other control wire 424 is fixed with the left end of the poking piece 425.
When in use, in a first step, as shown in fig. 1-5, in an electrified state, when an outside-building person opens a door, the outside-building person is identified by the entrance guard identifier 3 through handprint or face identification, the entrance guard identifier 3 identifies a signal and then controls the electromagnetic controller 408 to be electrified through the processor, and as the electromagnetic controller 408 corresponds to the electromagnetic core block 407 from top to bottom, when the electromagnetic controller 408 is electrified, the electromagnetic controller 408 attracts the electromagnetic core block 407;
the middle part of the warping plate 403 is connected with the rotating shaft of the first fixed shaft 409; a first torsion spring 410 is arranged at the rotating shaft connecting position of the rocker 403 and the first fixed shaft 409; the two ends of the first torsion spring 410 are respectively clamped with the rocker 403 and the first fixed shaft 409', so that the rocker 403 is pulled to move upwards at the right side by the electromagnet core 407 under the action of the attraction force, the rocker 403 rotates anticlockwise around the middle first fixed shaft 409, and the first torsion spring 410 is compressed when the rocker 403 rotates anticlockwise;
because the locking piece 402 is slidably connected inside the guide groove 412; the bottom of the locking block 402 is provided with a vertical column 413; a stop block 414 is arranged at the bottom of the upright 413; the upright post 413 is clamped inside the clamping groove 411' through the stop 414, so that when the rocker 403 rotates anticlockwise, the left side of the rocker 403 moves downwards, the locking block 402 is pulled to move vertically downwards along the guide groove 412 through the action of the stop 414, the clamping groove 411 and the upright post 413, the locking block 402 is separated from the locking groove 102 when moving downwards, and the door lock is opened;
when the door lock is opened for a second, the electromagnetic controller 408 is automatically powered off; when the electromagnetic controller 408 is powered off or the electromagnetic core 407 is disengaged from the attraction force when the door is opened, the rocker 403 rotates clockwise under the action of the first torsion spring 410, so as to drive the lock block 402 to slide upwards along the guide slot 412, the electromagnetic core 407 moves downwards, and when the top of the left end of the rocker 403 is contacted with the bottom of the guide slot 412, the lock block 402, the rocker 403 and the electromagnetic core 407 are reset;
after the door is opened, the glass door 2 is loosened, the glass door 2 is closed under the action of the ground spring, (as shown in fig. 1-4, an inclined surface is arranged above the left side of the locking piece 402), when the locking piece 402 on the glass door 2 touches the door frame 101, the locking piece 402 moves downwards under the pushing of the inclined surface on the left side, when the glass door 2 is closed, the locking piece 402 moves to the position right below the locking groove 102, similarly, the locking piece 402 moves to the inside of the locking groove 102 under the action of the first torsion spring 410, and the door access lock is closed.
In summary, the rocker 403 is designed such that the electromagnetic controller 408 is in a power-off state when the door is closed, and the electromagnetic controller 408 is powered on to attract the electromagnetic core block 407 to move upward when the door is opened, so that the rocker 403 pulls the lock block 402 to move downward and disengage from the lock slot 102 on the door frame 101, the door lock is automatically opened, and the electromagnetic controller 408 is powered on to operate only when the door lock is opened, which greatly reduces power consumption and saves energy compared with the conventional electromagnetic lock.
Step two, as shown in fig. 1-6, when a person in a building opens the door in a power-on state or power failure, the person pushes the button 418 on the glass door 2, the button 418 slides to the right side along the sliding groove 417 under the action of pushing force, and therefore, the groove 420 is formed in the right side of the button 418; the left end of the V-shaped inner control rod 405 is in contact with the bottom surface of the groove 420', so that when the button 418 moves to the right, the left end of the V-shaped inner control rod 405 is pushed to move to the right, and the rotating shaft connecting position of the V-shaped inner control rod 405 and the second fixed shaft 415 is provided with a second torsion spring 416; two ends of the second torsion spring 416 are respectively clamped with the V-shaped inner control rod 405 and the second fixed shaft 415; the included angle of the V-shaped inner control rod 405 is an obtuse angle; the open end of the V-shaped inner lever 405 faces upward and rightward, so that the V-shaped inner lever 405 rotates clockwise about the second fixed shaft 415 and compresses the second torsion spring 416 when the left end of the V-shaped inner lever 405 moves rightward.
Because the main control steel wire 423 is fixedly arranged below the left side of the middle part of the rocker 403; one of the control steel wires 424 penetrates through the second through hole and then is fixed with the right end of the V-shaped inner control rod 405; therefore, when the V-shaped inner lever 405 rotates clockwise, the right end of the V-shaped inner lever 405 pulls the left end of the rocker 403 to move downward through the control wire 424 and the main control wire 423, the rocker 403 rotates counterclockwise, and the lock block 402 is pulled to move downward, so that the door lock is opened.
The push button 418 pushes the glass door 2 and pushes the glass door 2 outwards, so that the glass door 2 is pushed to open under the action of the pushing force, when the push button 418 is released, the V-shaped inner control rod 405 rotates anticlockwise under the action of the second torsion spring 416, so that the push button 418 slides to the left along the sliding groove 417, the control steel wire 424 and the main control steel wire 423 are released, the locking piece 402 moves upwards, when the right limiting block 419 of the push button 418 moves to the leftmost end, the limiting block 419 blocks the push button 418, and at the moment, the push button 418 and the locking piece 402 reset.
Step three, as shown in fig. 1-6, in the state of power supply or power failure, when a person outside the building unlocks the lock, the door lock 406 is unlocked by a key, and the left end of the door lock 406 is provided with a shifting piece 424; the bottom of the other control steel wire 424 and the left end of the plectrum 424 are fixed', so that the plectrum 424 rotates when the door lock 406 is opened, and the plectrum 424 rotates to pull the warping plate 403 to rotate anticlockwise through the control steel wire 424 and the main control steel wire 423, so that the lock block 402 is pulled down to open;
in summary, the door lock 406, solenoid control 408, and push button 418 can all control the opening and closing of the door lock 406 and have complementary effects; the whole door lock 406 can be used in a power-on or power-off state, so that the safety factor is high; the steel wire is used for connecting the control part and the execution part, and the phenomena of elongation and deformation can not occur when the steel wire is used for a long time.
The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. The utility model provides a campus security entrance guard lock which characterized in that: comprises a wall body (1), a glass door (2), an entrance guard recognizer (3) and a power-off safety lock device (4); a door frame (101) is vertically and fixedly arranged on one side of the wall body (1); the right side of the glass door (2) is connected with a door frame (101) through a hinge; an aluminum alloy wrap angle (201) is arranged on the left side of the glass door (2); the power-off safety lock device (4) is arranged inside the aluminum alloy wrap angle (201); the entrance guard identification machine (3) is fixedly arranged on the wall body (1) outside the glass door (2); the power-off safety lock device (4) comprises a lock body box (401), a lock block (402), a warping plate (403), an internal control box (404), a V-shaped internal control rod (405), a door lock (406), an electromagnetic core block (407) and an electromagnetic controller (408); the lock body box (401) is fixedly installed at the top end inside the aluminum alloy wrap angle (201).
2. The campus security access lock of claim 1, wherein: a first fixed shaft (409) is arranged in the middle of the interior of the lock body box (401); the middle part of the warping plate (403) is connected with a first fixed shaft (409) through a rotating shaft; a first torsion spring (410) is arranged at the rotating shaft connecting position of the rocker (403) and the first fixed shaft (409); and two ends of the first torsion spring (410) are respectively clamped with the warping plate (403) and the first fixed shaft (409).
3. The campus security access lock of claim 1, wherein: a clamping groove (411) is formed in the left end of the warping plate (403); a guide groove (412) is formed in the upper portion of the left side inside the lock body box (401) in the vertical direction; the locking block (402) is connected inside the guide groove (412) in a sliding mode; the bottom of the locking block (402) is provided with an upright post (413); a stop block (414) is arranged at the bottom of the upright post (413); the upright post (413) is clamped inside the clamping groove (411) through a stop block (414).
4. The campus security access lock of claim 1, wherein: the electromagnetic core block (407) is fixedly arranged at the top position of the right side of the warping plate (403); the electromagnetic controller (408) is fixedly arranged on the door frame (101); a lock groove (102) is formed in the left side of the electromagnetic controller (408) on the door frame (101); under the closing state of the glass door (2), the electromagnetic controller (408) and the electromagnetic core block (407) are vertically corresponding; the upper part of the locking block (402) is clamped in the locking groove (102).
5. The campus security access lock of claim 1, wherein: the door lock (406) is arranged at the right side position of the middle part of the aluminum alloy wrap angle (201); the internal control box (404) is fixedly arranged at the left side position of the middle part of the aluminum alloy wrap angle (201).
6. The campus security access lock of claim 1, wherein: a second fixed shaft (415) is arranged in the middle of the inner control box (404); the middle part of the V-shaped inner control rod (405) is connected with a second fixed shaft (415) through a rotating shaft; a second torsion spring (416) is arranged at the rotating shaft connecting position of the V-shaped inner control rod (405) and the second fixed shaft (415); and two ends of the second torsion spring (416) are respectively clamped with the V-shaped inner control rod (405) and the second fixed shaft (415).
7. The campus security access lock of claim 6, wherein: the included angle of the V-shaped inner control rod (405) is an obtuse angle; the open end of the V-shaped inner control rod (405) faces towards the upper right side.
8. The campus security access lock of claim 1, wherein: a chute (417) is arranged at the left side position of the internal control box (404); a button (418) is connected to the middle of the sliding groove (417) in a sliding manner; a limiting block (419) is arranged at the two ends of the right side of the button (418); a groove (420) is formed in the right side of the button (418); the left end of the V-shaped inner control rod (405) is contacted with the bottom surface of the groove (420).
9. The campus security access lock of claim 1, wherein: the bottom of the lock body box (401) is provided with a first through hole (421); the top of the internal control box (404) is provided with a second through hole (422); a main control steel wire (423) is fixedly arranged below the left side of the middle part of the rocker (403); the main control steel wire (423) penetrates through the middle part of the first through hole (421); the bottom of the main control steel wire (423) is provided with two control steel wires (424); one of the control steel wires (424) penetrates through the second through hole (422) and then is fixed with the right end of the V-shaped inner control rod (405); a shifting sheet (425) is arranged at the left end of the door lock (406); the bottom of the other control steel wire (424) is fixed with the left end of the shifting sheet (425).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921073204.2U CN210659589U (en) | 2019-07-10 | 2019-07-10 | Campus security entrance guard's lock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921073204.2U CN210659589U (en) | 2019-07-10 | 2019-07-10 | Campus security entrance guard's lock |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210659589U true CN210659589U (en) | 2020-06-02 |
Family
ID=70836629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921073204.2U Expired - Fee Related CN210659589U (en) | 2019-07-10 | 2019-07-10 | Campus security entrance guard's lock |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210659589U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112647787A (en) * | 2020-12-19 | 2021-04-13 | 江苏省金鑫安防设备有限公司 | Magnetic suction heat insulation fireproof anti-theft door |
-
2019
- 2019-07-10 CN CN201921073204.2U patent/CN210659589U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112647787A (en) * | 2020-12-19 | 2021-04-13 | 江苏省金鑫安防设备有限公司 | Magnetic suction heat insulation fireproof anti-theft door |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6630877B2 (en) | Electromagnetic closing and opening device for door leaves that can be pivoted | |
CN201560031U (en) | Hinge landing door device for home elevator | |
CN210659589U (en) | Campus security entrance guard's lock | |
CN205502929U (en) | Burglary -resisting door and burglary -resisting door system | |
CN105715174A (en) | Anti-theft door and anti-theft door system | |
CN203767816U (en) | Landing door safety control device of construction elevator | |
KR100747983B1 (en) | Dead volt way electromagnet door lock | |
CN208014038U (en) | Energy saving access control system | |
CN105971442B (en) | Fire resistant doorsets door closer | |
CN208106150U (en) | A kind of spring block formula car door limiter | |
US4471856A (en) | Elevator door interlock | |
CN205153747U (en) | Split type door internally mounted fingerprint code pickproof lock | |
CN109339588A (en) | A kind of safety electromagnetic door lock that the safety coefficient based on internet-based control is high | |
JPH03293279A (en) | Operation board for elevator cage | |
CN208848260U (en) | A kind of Intelligent door access control device | |
CN111634774B (en) | Safety system for small door lock of elevator landing door | |
CN210868405U (en) | Anti-theft device for electric box | |
CN203420530U (en) | Door control system of distribution substation | |
CN216588273U (en) | But speech recognition's intelligent door | |
KR100664407B1 (en) | Electric locker | |
CN205805176U (en) | A kind of intelligent anti-theft door lock | |
JP4453913B2 (en) | Automatic door locking device | |
CN214886252U (en) | Access control device | |
RU2724608C1 (en) | Lock | |
GB2050486A (en) | Lock with Door-opening Restrictor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 Termination date: 20210710 |