Multiple anti-theft lock cylinder structure of bank anti-theft door

Abstract

The utility model relates to the field of anti-theft lock cylinders, and discloses a multiple anti-theft lock cylinder structure of a bank anti-theft door, which comprises a mounting seat, a lock cylinder mechanism is clamped on the upper surface of the mounting seat, a mounting port is arranged on the lower surface of the mounting seat, a card swiping device is clamped on the inner side of the mounting port, and the lock cylinder mechanism comprises a shell. A power supply and a controller are sequentially and fixedly connected to the left side of the lower surface in the shell from front to back, an electric push rod is fixedly connected to the front surface in the shell, and a rack is fixedly connected to the right end of the output end of the electric push rod; when the lock cylinder mechanism is used, the controller controls the electric push rod to stretch out and pushes the rack to toggle the gear, so that the sliding sleeve slides along the U-shaped guide rod under the pulling of the traction rod, the multiple lock heads on the side plate can be pulled to retract to the inner side of the shell, the door is opened, and after the door is opened, the electric push rod retracts to push the lock heads to rotate. And at the moment, the shifting lock head extends out again.

Description

Technical Field

[0001] The utility model relates to the field of anti-theft lock cores, more specifically to a multiple anti-theft lock core structure for bank anti-theft doors. Background Art

[0002] The lock core uses multiple anti-theft technologies and a variety of special-shaped anti-pulling pins to prevent technical opening. With the unique pin and blade structure design, it has a high security performance against technical opening. The lock core is equipped with precision number pins and special-shaped pin structures. When technical opening is performed, the number pins and special-shaped pins must be pulled out at the same time, and the lock will be automatically locked, making the technical opening ineffective. The lock core uses a variety of special-shaped pins with multiple combinations, and can compile up to billions of key numbers, thereby achieving zero mutual opening in the area. The lock core has added a lateral inward pressure side column latch device, which greatly improves the ability to prevent violent twisting;

[0003] The lock core of the existing inverted anti-theft door lock is inconvenient to install, and the cooperation between the locking mounting shell and the mounting plate is only fixed by locking screws, the connection method needs to be improved, and the card swiping device on the mounting plate is inconvenient to install. Utility Model Content

[0004] The technical problem mainly solved by the utility model is to provide a multiple anti-theft lock core structure for bank anti-theft door, which can solve the problem that the lock core of the existing inverted anti-theft door lock is inconvenient to install, the cooperation between the locking mounting shell and the mounting plate is only fixed by locking screws, and the connection method needs to be improved, and the card swiping device on the mounting plate is inconvenient to install.

[0005] To solve the above technical problems, according to one aspect of the utility model, more specifically, a multi-anti-theft lock core structure for bank anti-theft doors includes a mounting seat, a lock core mechanism is engaged on the upper surface of the mounting seat, a mounting opening is opened on the lower surface of the mounting seat, and a card swiping device is engaged on the inner side of the mounting opening;

[0006] The lock core mechanism includes a shell, the left side of the inner lower surface of the shell is fixedly connected with a power supply and a controller in sequence from front to back, the inner front surface of the shell is fixedly connected with an electric push rod, the right end of the output end of the electric push rod is fixedly connected with a rack, the right side of the inner lower surface of the shell is rotatably connected with a gear through a rotating shaft, the gear is meshed with the rack, the upper surface of the gear is rotatably connected with two traction rods through a rotating shaft, the end of the traction rod away from the gear is rotatably connected with a sliding sleeve through a rotating shaft, the inner side of the sliding sleeve is slidably connected with a U-shaped guide rod, the opposite sides of the two U-shaped guide rods are fixedly connected with side plates, the opposite sides of the two side plates are fixedly connected with a plurality of lock heads, the end of the lock head away from the side plate passes through the outer side of the shell, and the outer side sleeve of the U-shaped guide rod is provided with a spring.

[0007] Furthermore, a cylindrical rod is fixedly connected to the center of the upper surface of the gear, and the top end of the cylindrical rod passes through the top of the shell and is fixedly connected to a handle.

[0008] Furthermore, a bayonet is provided on the right side of the shell.

[0009] Furthermore, a movable opening is opened on the right side of the upper surface of the mounting seat, and two cross bars are fixedly connected inside the movable opening, and the outer walls of the two cross bars are slidably connected to a movable plate, and the left side of the movable plate is located on the inner side of the bayonet and is fixedly connected to a clamping strip, a plurality of springs are fixedly connected between the movable plate and the movable opening, and a pulling ball is fixedly connected to the right side of the movable plate.

[0010] Furthermore, a rubber pad is fixedly connected to the inner side wall of the installation opening.

[0011] Furthermore, a retraction cavity is integrally formed on both sides of the interior of the mounting port, a piston plate 1 is slidably connected to the interior of the retraction cavity, a wedge-shaped stopper is fixedly connected to the opposite sides of the two piston plates 1 and the front surface of the card swiping device, and a plurality of springs 3 are fixedly connected between the piston plate 1 and the retraction cavity.

[0012] Furthermore, an air cavity is opened on the right side of the interior of the mounting seat, and a piston plate 2 is slidably connected to the interior of the air cavity. An air groove is fixedly connected between the piston plate 2 and the two contraction chambers. A pull rod is fixedly connected to the upper surface of the piston plate 2, and the top end of the pull rod passes through the top of the mounting seat and is fixedly connected to a pull ring.

[0013] The beneficial effects of the multi-anti-theft lock core structure of the utility model for bank anti-theft doors are:

[0014] When the lock core mechanism is used, the controller controls the electric push rod to extend, pushes the rack to turn the gear, and then under the pull of the traction rod, the sliding sleeve slides along the U-shaped guide rod, so that the multiple lock heads on the side plate can be pulled to the inside of the shell, so as to open the door. After the opening is completed, the electric push rod is retracted, and the lock head is extended again when it is turned;

[0015] The handle can be held to drive the cylindrical rod to rotate, thereby causing the gear to rotate, driving the lock to retract, and realizing the door opening operation, so that the door can be opened from inside the room;

[0016] When the lock core mechanism is engaged with the mounting seat, the movable piece is pushed by the second spring, so that the card strip is engaged with the inside of the bayonet, so that the lock core mechanism is not easy to fall off after installation. When disassembling, it is only necessary to hold the pulling ball and pull the movable piece to slide along the outer sides of the two cross bars inside the movable port, so that the card strip can be pulled out from the inside of the bayonet, which is convenient for disassembly;

[0017] After the card swiping device is installed inside the installation port, it is blocked by the wedge-shaped block and is not easy to fall off, and it cannot be disassembled from the outside. When disassembly is required, just hold the pull ring to pull the piston plate 2 up, thereby extracting the internal gas of the two contraction chambers and driving the wedge-shaped block to contract. At this time, the card swiping device can be taken out from the installation port, achieving the effect of easy disassembly and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the overall structure of the multi-anti-theft lock core structure of the bank anti-theft door of the utility model;

[0020] Figure 2 It is a top view structural schematic diagram of the cross section of the lock core mechanism of the multi-anti-theft lock core structure of the bank anti-theft door of the utility model;

[0021] Figure 3 It is a side view schematic diagram of the connection structure of the movable piece and the card strip of the multi-anti-theft lock core structure of the bank anti-theft door of the utility model;

[0022] Figure 4 The utility model is a bank anti-theft door multiple anti-theft lock core structure Figure 1 A schematic diagram of the enlarged structure at point A;

[0023] Figure 5 The utility model is a bank anti-theft door multiple anti-theft lock core structure Figure 2 Schematic diagram of the enlarged structure at B.

[0024] In the figure: 1. mounting base; 2. lock core mechanism; 3. mounting opening; 4. card swiping device; 5. cylindrical rod; 6. handle; 7. bayonet; 8. movable opening; 9. cross bar; 10. movable sheet; 11. clamping strip; 12. spring two; 13. pulling ball; 14. rubber pad; 15. contraction chamber; 16. piston plate one; 17. wedge-shaped stopper; 18. spring three; 19. air chamber; 20. piston plate two; 21. air groove; 22. pull rod; 23. pull ring; 201. housing; 202. power supply; 203. controller; 204. electric push rod; 205. rack; 206. gear; 207. traction rod; 208. sliding sleeve; 209. U-shaped guide rod; 210. side plate; 211. lock head; 212. spring one. DETAILED DESCRIPTION

[0025] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0026] According to one aspect of the present invention, Figure 1-5 As shown, a multi-anti-theft lock core structure for a bank anti-theft door is provided, including a mounting seat 1, a lock core mechanism 2 is engaged with the upper surface of the mounting seat 1, a mounting opening 3 is provided on the lower surface of the mounting seat 1, a card swiping device 4 is engaged with the inner side of the mounting opening 3, the lock core mechanism 2 includes a shell 201, a power supply 202 and a controller 203 are fixedly connected to the left side of the inner lower surface of the shell 201 from front to back in sequence, an electric push rod 204 is fixedly connected to the inner front surface of the shell 201, a rack 205 is fixedly connected to the right end of the output end of the electric push rod 204, and a gear 206 is rotatably connected to the right side of the inner lower surface of the shell 201 through a rotating shaft. Wheel 206, gear 206 is meshed with rack 205, the upper surface of gear 206 is rotatably connected with two traction rods 207 through a rotating shaft, one end of traction rod 207 away from gear 206 is rotatably connected with a sleeve 208 through a rotating shaft, the inner side of the sleeve 208 is slidably connected with a U-shaped guide rod 209, the opposite sides of the two U-shaped guide rods 209 are fixedly connected with side plates 210, the opposite sides of the two side plates 210 are fixedly connected with a plurality of locks 211, the end of the lock 211 away from the side plates 210 penetrates to the outside of the housing 201, and the outer side of the U-shaped guide rod 209 is sleeved with a spring 212;

[0027] When in use, the mounting base 1 is embedded in the door for installation, and the card is swiped and authenticated through the card swiping device 4 on the inner side of the mounting opening 3, thereby controlling the lock core mechanism 2 to open. When the lock core mechanism 2 is in use, the controller 203 controls the electric push rod 204 to extend, pushes the rack 205 to turn the gear 206, so that under the pull of the traction rod 207, the sliding sleeve 208 slides along the U-shaped guide rod 209, so that the multiple lock heads 211 on the side panel 210 can be pulled back to the inside of the shell 201, thereby realizing the opening of the door. After the opening is completed, the electric push rod 204 is retracted, and the lock head 211 is extended again when it is turned.

[0028] In this embodiment, a cylindrical rod 5 is fixedly connected to the center of the upper surface of the gear 206. The top end of the cylindrical rod 5 passes through the top of the housing 201 and is fixedly connected to a handle 6.

[0029] The handle 6 can be held to drive the cylindrical rod 5 to rotate, thereby rotating the gear 206 and driving the lock 211 to retract, thereby realizing the door opening operation, thereby facilitating opening the door from inside the room.

[0030] In this embodiment, a bayonet 7 is provided on the right side of the housing 201, and a movable opening 8 is provided on the right side of the upper surface of the mounting seat 1. Two cross bars 9 are fixedly connected inside the movable opening 8, and a movable sheet 10 is slidably connected to the outer side walls of the two cross bars 9. A clamping strip 11 is fixedly connected to the left side of the movable sheet 10, and a plurality of springs 12 are fixedly connected between the movable sheet 10 and the movable opening 8. A pulling ball 13 is fixedly connected to the right side of the movable sheet 10.

[0031] When the lock core mechanism 2 is engaged with the mounting seat 1, the movable piece 10 is pushed by the spring 2 12, so that the clamping strip 11 is engaged with the inside of the bayonet 7, so that the lock core mechanism 2 is not easy to fall off after installation. When disassembling, it is only necessary to hold the pulling ball 13 and pull the movable piece 10 to slide along the outside of the two cross bars 9 inside the movable opening 8, so that the clamping strip 11 can be pulled out from the inside of the bayonet 7, thereby facilitating disassembly.

[0032] In this embodiment, a rubber pad 14 is fixedly connected to the inner wall of the mounting opening 3;

[0033] The friction force is increased so that the card swiping device 4 is engaged in the installation opening 3 and is not easy to move.

[0034] In this embodiment, a contraction cavity 15 is integrally formed on both sides of the interior of the mounting port 3, a piston plate 16 is slidably connected to the interior of the contraction cavity 15, a wedge-shaped stopper 17 is fixedly connected to the opposite sides of the two piston plates 16 and located on the front surface of the card swiping device 4, a plurality of springs 3 18 are fixedly connected between the piston plate 16 and the contraction cavity 15, an air cavity 19 is opened on the right side of the interior of the mounting seat 1, a piston plate 20 is slidably connected to the interior of the air cavity 19, an air groove 21 is fixedly connected between the piston plate 20 and the two contraction cavities 15, a pull rod 22 is fixedly connected to the upper surface of the piston plate 20, the top end of the pull rod 22 passes through the top of the mounting seat 1, and is fixedly connected to a pull ring 23;

[0035] After the card swiping device 4 is installed inside the installation port 3, it is blocked by the wedge-shaped block 17 and is not easy to fall off, and it cannot be disassembled from the outside. When it needs to be disassembled, it is only necessary to hold the pull ring 23 to pull the piston plate 20 up, thereby extracting the internal gas of the two contraction chambers 15 and driving the wedge-shaped block 17 to contract. At this time, the card swiping device 4 can be taken out from the installation port 3, achieving the effect of easy disassembly and installation.

[0036] The electrical components that appear in this article are all electrical components that exist in reality.

[0037] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A multi-anti-theft lock core structure for a bank anti-theft door, comprising a mounting seat (1), characterized in that: The upper surface of the mounting seat (1) is engaged with a lock core mechanism (2), the lower surface of the mounting seat (1) is provided with a mounting opening (3), and the inner side of the mounting opening (3) is engaged with a card swiping device (4); The lock core mechanism (2) comprises a housing (201), the left side of the inner lower surface of the housing (201) being fixedly connected with a power source (202) and a controller (203) in sequence from front to back, the inner front surface of the housing (201) being fixedly connected with an electric push rod (204), the right end of the output end of the electric push rod (204) being fixedly connected with a rack (205), the right side of the inner lower surface of the housing (201) being rotatably connected with a gear (206) via a rotating shaft, the gear (206) being meshed with the rack (205), and the upper surface of the gear (206) being rotatably connected with two gears via a rotating shaft. A traction rod (207), one end of the traction rod (207) away from the gear (206) is rotatably connected to a sliding sleeve (208) via a rotating shaft, the inner side of the sliding sleeve (208) is slidably connected to a U-shaped guide rod (209), the opposite sides of the two U-shaped guide rods (209) are fixedly connected to side plates (210), the opposite sides of the two side plates (210) are fixedly connected to a plurality of locks (211), the end of the lock (211) away from the side plates (210) penetrates to the outside of the housing (201), and the outer side of the U-shaped guide rod (209) is sleeved with a spring 1 (212).

2. The multi-anti-theft lock core structure for bank anti-theft doors according to claim 1 is characterized by: A cylindrical rod (5) is fixedly connected to the center of the upper surface of the gear (206); the top end of the cylindrical rod (5) penetrates the top of the housing (201) and is fixedly connected to a handle (6).

3. The multi-anti-theft lock core structure for bank anti-theft doors according to claim 1 is characterized in that: A bayonet (7) is provided on the right side of the housing (201).

4. The multi-anti-theft lock core structure for bank anti-theft doors according to claim 3 is characterized by: A movable opening (8) is provided on the right side of the upper surface of the mounting seat (1), two cross bars (9) are fixedly connected inside the movable opening (8), the outer side walls of the two cross bars (9) are slidably connected to a movable sheet (10), the left side of the movable sheet (10) is located on the inner side of the bayonet (7) and is fixedly connected to a clamping strip (11), a plurality of springs (12) are fixedly connected between the movable sheet (10) and the movable opening (8), and a pulling ball (13) is fixedly connected to the right side of the movable sheet (10).

5. The multi-anti-theft lock core structure for bank anti-theft doors according to claim 1 is characterized in that: A rubber pad (14) is fixedly connected to the inner side wall of the installation opening (3).

6. The multi-anti-theft lock core structure for bank anti-theft doors according to claim 1 is characterized by: Both sides of the interior of the installation port (3) are integrally formed with a retractable cavity (15), the interior of the retractable cavity (15) is slidably connected to a piston plate one (16), and wedge-shaped stoppers (17) are fixedly connected to the opposite sides of the two piston plates one (16) and located on the front surface of the card swiping device (4), and a plurality of springs three (18) are fixedly connected between the piston plate one (16) and the retractable cavity (15).

7. The multi-anti-theft lock core structure for bank anti-theft doors according to claim 6 is characterized by: An air cavity (19) is provided on the right side of the interior of the mounting seat (1), and a piston plate 2 (20) is slidably connected to the interior of the air cavity (19). An air groove (21) is fixedly connected between the piston plate 2 (20) and the two contraction chambers (15), and a pull rod (22) is fixedly connected to the upper surface of the piston plate 2 (20), and the top end of the pull rod (22) passes through the top of the mounting seat (1) and is fixedly connected to a pull ring (23).

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