CN216157506U

CN216157506U - Anti-theft metal door for office

Info

Publication number: CN216157506U
Application number: CN202121775587.5U
Authority: CN
Inventors: 茅金晶
Original assignee: Anhui Kaxun Intelligent Technology Co ltd
Current assignee: Anhui Kaxun Intelligent Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-04-01
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses an anti-theft metal door for offices, which comprises a door frame and a metal door body, wherein one side of the metal door body is rotatably connected with the inner side of the door frame through a hinge shaft, an anti-theft lock body is arranged on the metal door body, the anti-theft lock body is arranged at one side far away from the hinge shaft, a key hole is formed in the anti-theft lock body and used for inserting a special key, a lock cavity is formed in one side surface of the metal door body far away from the hinge shaft and the corresponding inner side surface of the door frame, a mechanical lock structure and an electric control device are arranged in the lock cavity, the key hole is communicated with the inside of the lock cavity and corresponds to the electric control device in front and back, the mechanical lock structure is provided with a small electric cylinder which is connected with the electric control device, and the electric control device is provided with an anti-theft electric control switch; this device is when carrying out the use, locks to the metal door body through mechanical lock structure and electrically controlled device cooperation, needs special key just can open control with the theftproof lock body, distinguishes current single automatically controlled or single mechanical burglary-resisting door, adopts both sides formula insurance, improves theftproof security greatly.

Description

Anti-theft metal door for office

Technical Field

The utility model relates to an anti-theft door, in particular to an anti-theft metal door for an office.

Background

The anti-theft door is called as an anti-theft safety door completely, has anti-theft and safety performances, and can not be pried or opened with an opening of 615 square centimeters on a door leaf by utilizing common hand tools such as chisels, screwdrivers, crowbars and the like and portable electric tools such as electric hand drills and the like within 15 minutes or opened with an opening of 38 square millimeters within a semicircle with a 150 square millimeters locking point according to the regulations of general technical conditions of the anti-theft safety door.

Most of the prior anti-theft doors adopt a lock with a complex mechanism, but the lock still has the problem of insufficient anti-theft performance after adopting a plurality of 'master keys'.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-theft metal door for an office, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an office uses theftproof type metal door, includes door frame and the metal door body, and metal door body one side is rotated through hinge axle and door frame inboard and is connected, is equipped with the theftproof lock body on the metal door body, and the setting of hinge axle one side is kept away from to the theftproof lock body, is equipped with the key hole on the theftproof lock body and is used for inserting special key, one side that the hinge axle was kept away from to the metal door body and the door frame medial surface that corresponds are equipped with the lock chamber, are equipped with mechanical lock structure and electrically controlled device in the lock chamber, and the key hole is linked together and the key hole corresponds with the electrically controlled device position from front to back with lock intracavity portion, mechanical lock structure has small-size electronic jar and is connected with electrically controlled device, electrically controlled device has theftproof electrically controlled switch.

As a preferred embodiment of the present invention: the mechanical lock structure further comprises a clamping plate, the clamping plate is vertically arranged, the back surface of the clamping plate is in transmission connection with the output end of the small electric cylinder through a telescopic rod, a lifting plate is arranged at the lower part in the lock cavity, a spring rod in sliding connection with the lifting plate is inserted in the center of the lifting plate, a limiting ring is arranged at the top of the spring rod, a single-arc-surface blocking column is arranged at one end, close to the small electric cylinder, of the lifting plate, a single-arc-surface blocking column is arranged at one side, facing the door frame, of the single-arc-surface blocking column, and the other side of the single-arc-surface blocking column is a vertical surface; and balancing rods with upper ends inserted into the lifting plate and connected with the lifting plate body in a sliding manner are arranged on two sides of the spring rod.

As a still further preferable embodiment of the present invention: the electric control device comprises a control panel with a built-in controller, a positioning plate parallel to the control panel is arranged in front of the control panel, three through holes positioned on the same vertical surface are formed in the positioning plate, long contact columns are inserted into two of the through holes, short contact columns are inserted into the other through hole, abutting rings attached to the inner wall of the positioning plate are arranged in the middle positions of the long contact columns and the short contact columns, the abutting rings are connected with the control panel through return springs, the lengths of sections, positioned behind the abutting rings, of the long contact columns and the short contact columns are the same, touch switches with the same number as the through holes and in one-to-one correspondence to the positions are arranged on the front side face of the control panel, the touch switches are electrically connected with the control panel, and the control panel is also electrically connected with the small electric cylinder through a control module; the controller is further connected with a communication module, the communication module is provided with a wireless communication circuit, the controller is further connected with a locking switch, and the locking switch is located on the front side face of the door frame.

As a still further preferable embodiment of the present invention: two independent power supply battery packs and an automatic switching circuit for connecting the control board and the power supply battery packs are also arranged in the control board.

Compared with the prior art, the utility model has the beneficial effects that: this device is when carrying out the use, locks to the metal door body through mechanical lock structure and electrically controlled device cooperation, needs special key just can open control with the theftproof lock body, distinguishes current single automatically controlled or single mechanical burglary-resisting door, adopts both sides formula insurance, improves theftproof security greatly.

Drawings

Fig. 1 is an external view of the present invention.

Figure 2 is a cross-sectional view of the security lock body of the present invention.

Fig. 3 is a perspective view of the electric control device in fig. 2.

Fig. 4 is a schematic diagram of the electric control device.

In the figure, 1-a door frame, 2-a metal door body, 3-an anti-theft lock body, 4-a keyhole, 5-a lock cavity, 6-an electric control device, 7-a small electric cylinder, 8-a telescopic rod, 9-a clamping plate, 10-a lifting plate, 11-a single arc surface blocking column, 12-a spring rod, 13-a balancing rod, 14-a limiting ring, 15-a positioning plate, 16-a control plate, 17-a touch switch, 18-a long contact column, 19-a short contact column, 20-a return spring, 21-a butting ring and 22-a locking switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, an anti-theft metal door for offices comprises a door frame 1 and a metal door body 2, wherein one side of the metal door body 2 is rotatably connected with the inner side of the door frame 1 through a hinge shaft, an anti-theft lock body 3 is arranged on the metal door body 2, the anti-theft lock body 3 is arranged at the side far away from the hinge shaft, a key hole 4 is arranged on the anti-theft lock body 3 and used for inserting a special key, a lock cavity 5 is arranged on the side surface of one side of the metal door body 2 far away from the hinge shaft and the inner side surface of the corresponding door frame 1, a mechanical lock structure and an electric control device 6 are arranged in the lock cavity 5, the key hole 4 is communicated with the inside of the lock cavity 5, the key hole 4 corresponds to the electric control device 6 in front and back positions, the mechanical lock structure is provided with a small electric cylinder 7 connected with the electric control device 6, and the electric control device 6 is provided with an anti-theft electric control switch; this device is when carrying out the use, locks to metal door body 2 through mechanical lock structure and 6 cooperations of electrically controlled device, needs special key just can open control with theftproof lock body 3, distinguishes current single automatically controlled or single mechanical burglary-resisting door, adopts both sides formula insurance, improves theftproof security greatly.

Specifically, the mechanical lock structure further comprises a clamping plate 9, the clamping plate 9 is vertically arranged, the back face of the clamping plate 9 is in transmission connection with the output end of the small electric cylinder 7 through an expansion rod 8, a lifting plate 10 is arranged at the lower part in the lock cavity 5, a spring rod 12 in sliding connection with the lifting plate 10 is inserted in the center of the lifting plate 10, a limiting ring 14 is arranged at the top of the spring rod 12, the top face of the lifting plate 10 is attached to the limiting ring 14 under the jacking action of the spring rod 12 in a conventional state, at the moment, the top face of the lifting plate 10 is also attached to the bottom of the clamping plate 9, a single arc face blocking column 11 is arranged at one end, close to the small electric cylinder 7, of the lifting plate 10, one side, facing the door frame 1, of the single arc face blocking column 11 is an arc face, and the other side of the single arc face is a vertical face; when the metal door is locked, the electric control device 6 drives the small electric cylinder 7 to work, the telescopic rod 8 extends, the clamping plate 9 is contacted with the single arc surface blocking post 11 when moving from the door frame 1 to the metal door body 2, the single arc surface blocking post 11 is pressed down, the lifting plate 10 is pressed down at the same time, after the single arc surface blocking post 11 is crossed, the top surface of the lifting plate 10 is contacted with the bottom of the clamping plate 9 through rebounding of the spring rod 12, at the moment, locking is completed, when the door is opened, the special key is inserted, the lifting plate 10 is pressed down from the other side after rotating, the single arc surface blocking post 11 falls synchronously, the blocking effect on the clamping plate 9 is cancelled, the special key is contacted with the electric control device 6 after being inserted, the small electric cylinder 7 is synchronously started to work reversely to recover the telescopic rod 8, the clamping plate 9 is further driven to retract, the mechanical lock structure and the electric control structure are synchronously linked, the opening of the metal door body 2 can be completed, and when the electric control is carried out independently, the small electric cylinder 7 can be locked by the electric control device 6 when the mechanical structure is damaged independently due to the blocking of the single-cambered-surface blocking column 11 in the mechanical lock structure, so that the locking effect is ensured; be equipped with the upper end in inserting lifter plate 10 and with the lifter plate 10 body sliding connection's balancing pole 13 in spring beam 12 both sides, when carrying out the pushing down control of lifter plate 10 through special key, through balancing pole 13 and spring beam 12 cooperation, guarantee that lifter plate 10 keeps the horizontality and goes up and down, avoid lifter plate 10 to take place the normal whereabouts of slope influence single-arc face bumping post 11 and open theftproof lock body 3.

Referring to fig. 3-4, the electric control device 6 includes a control board 16 with a built-in controller, a positioning plate 15 is disposed in front of the control board 16 and parallel to the control board, three through holes are disposed on the positioning plate 15 and located on the same vertical plane, wherein two through holes are internally provided with long contact posts 18, the other through hole is internally provided with a short contact post 19, an abutting ring 21 which is attached to the inner wall of the positioning plate 15 is arranged between the long contact column 18 and the short contact column 19, the abutting ring 21 is connected with the control plate 16 through a return spring 20, the long contact posts 18 and the short contact posts 19 are the same length behind the abutment ring 21, the front side surface of the control board 16 is provided with touch switches 17 with the same number and one-to-one correspondence positions with the through holes, the touch switch 17 is electrically connected with the control panel 16, and the control panel 16 is also electrically connected with the small electric cylinder 7 through the control module; when a non-special key is inserted, the lengths of the front half sections of the long contact column 18 and the short contact column 19 are different, and the lengths of the rear half sections of the long contact column 18 and the short contact column 19 are the same, so that the three touch switches 17 cannot be contacted; further, the controller still is connected with communication module, and communication module has wireless communication circuit for connect the computer backstage and send the information of opening the door, when one of them touch switch 17 contact, can send information, the controller still is connected with locking switch 22, and locking switch 22 is located door frame 1 front side for initiatively send the action of small-size electronic jar 7 of control information drive and make telescopic link 8 stretch out, accomplish the locking of metal door body 2.

In the practical design, the keyhole 4 is designed in a cross shape, the section of a corresponding special key is also designed in the shape, the front end of the special key is designed according to the placing positions and the lengths of the long contact column 18 and the short contact column 19, and when the special key is used, after the special key is inserted and twisted for 90 degrees, the locking state of a mechanical lock structure is firstly released, and then the locking state of an electric control device is forwardly inserted and released; meanwhile, two independent power supply battery packs and an automatic switching circuit connected with the control panel 16 and the power supply battery packs are further arranged in the control panel 16, so that effective power supply of the electric control device can be continuously guaranteed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An anti-theft metal door for offices comprises a door frame (1) and a metal door body (2), wherein one side of the metal door body (2) is rotatably connected with the inner side of the door frame (1) through a hinge shaft, it is characterized in that a metal door body (2) is provided with an anti-theft lock body (3), the anti-theft lock body (3) is arranged at one side far away from the hinge shaft, the anti-theft lock body (3) is provided with a key hole (4) for inserting a special key, a lock cavity (5) is arranged on the side surface of one side of the metal door body (2) far away from the hinge shaft and the inner side surface of the corresponding door frame (1), a mechanical lock structure and an electric control device (6) are arranged in the lock cavity (5), the key hole (4) is communicated with the interior of the lock cavity (5), the key hole (4) corresponds to the electric control device (6) in front and back, the mechanical lock structure is provided with a small electric cylinder (7) connected with an electric control device (6), and the electric control device (6) is provided with an anti-theft electric control switch.

2. The anti-theft metal door for the office according to claim 1, wherein the mechanical lock structure further comprises a clamping plate (9), the clamping plate (9) is vertically arranged, the back surface of the clamping plate (9) is in transmission connection with the output end of the small electric cylinder (7) through an expansion link (8), a lifting plate (10) is arranged at the lower portion in the lock cavity (5), a spring rod (12) in sliding connection with the lifting plate (10) is inserted in the center of the lifting plate (10), a limiting ring (14) is arranged at the top of the spring rod (12), a single arc surface blocking column (11) is arranged at one end, close to the small electric cylinder (7), of the lifting plate (10), one side, facing the door frame (1), of the single arc surface blocking column (11) is an arc surface, and the other side of the single arc surface blocking column is a vertical surface.

3. The anti-theft metal door for offices according to claim 2, wherein a balancing bar (13) having an upper end inserted into the elevating plate (10) and slidably coupled to the body of the elevating plate (10) is provided at both sides of the spring bar (12).

4. The anti-theft metal door for the office according to claim 2, wherein the electric control device (6) comprises a control panel (16) with a built-in controller, a positioning plate (15) parallel to the control panel (16) is arranged in front of the control panel (16), three through holes positioned on the same vertical surface are formed in the positioning plate (15), a long contact column (18) is inserted in two of the through holes, a short contact column (19) is inserted in the other through hole, a butting ring (21) attached to the inner wall of the positioning plate (15) is arranged in the middle of the long contact column (18) and the short contact column (19), the butting ring (21) is connected with the control panel (16) through a return spring (20), the lengths of sections of the long contact column (18) and the short contact column (19) positioned behind the butting ring (21) are the same, and touch switches (17) with the same number of the through holes and corresponding positions one by one are arranged on the front side surface of the control panel (16), the touch switch (17) is electrically connected with the control panel (16), and the control panel (16) is also electrically connected with the small electric cylinder (7) through the control module.

5. The anti-theft metal door for offices as recited in claim 4, wherein a communication module is further connected to said controller, said communication module having a wireless communication circuit.

6. An office anti-theft metal door according to claim 4, characterized in that the controller is further connected with a locking switch (22), and the locking switch (22) is positioned on the front side surface of the doorframe (1).

7. An office anti-theft type metal door according to claim 4, characterized in that two independent power supply batteries and an automatic switching circuit connecting the control panel (16) and the power supply batteries are further provided in the control panel (16).