CN2230804Y - Electric door against thieves - Google Patents

Abstract

The utility model relates to an electric door against thieves, which is composed of a doorcase (1), a door (2) and a door lock (3), wherein, the door (2) is positioned in a slide groove in the doorcase (1), and a rack bar (4) is installed on the upper part of the doorcase. A drive gear (5) which is in mesh with the rack bar is installed at the corresponding place of the rack (4) on the door, and the drive gear is driven by an electric motor which is positioned on the door via a speed reduction apparatus. The electric motor is connected in series with a travel switch K1, a contact switch K2 and two paralleled normal open button switches K3, K4. The travel switch is positioned on the door and controls the electric motor to rotate positively and reversely. The contact switch is positioned in the door lock (3), the button switches are respectively positioned on the wall bodies inside and outside the door. The utility model is of convenient operation, no occupying space and good anti-theft property.

Description

Electric door against thieves

The utility model relates to door, particularly a kind of Electric door against thieves.

Existing security door generally all is installed on the outer body of wall of original timber, forms two sects, and pretty troublesome during people's open and close, inconvenience takes up room again, and this door not only uses inconvenient, but also unreliable, theftproof performance is poor, and the burglar is easy to door is pried open.

The purpose of this utility model is in order to solve the deficiency that the above-mentioned background technology exists, and it is convenient to propose a kind of switch door, and theftproof performance is good, not spacial again Electric door against thieves.

At the foregoing invention purpose, the utility model adopts following technical scheme: a kind of Electric door against thieves, form by doorframe and Door and its lock, chute is arranged in doorframe, door is arranged in the chute of doorframe, its special character is: on the top of doorframe tooth bar 4 is housed, on door, the driven wheel 5 that is meshed with tooth bar 4 is housed with tooth bar 4 corresponding sections, this driven wheel is driven by deceleration device by the motor that is positioned on the door, motor be positioned at Men Nei and control the travel switch K1 of motor positive and inverse and position door lock and the contact switch K3 that is controlled by dead bolt and the normally open push button switch K3K4 of two parallel connections connect, described two button switch K 3K4 lay respectively on Men Nei and the body of wall outdoors.

Doorframe 1 of the present utility model is the double-deck doorframe that adopts special deformed channel steel, angle steel combination, door 2 is made of steel plate, square steel and PLASTIC LAMINATED, doorframe 1 is installed in the body of wall, therefore the open and close of door is by motor-driven,, it is simple to operation, open the door and do not occupy the space, the theftproof performance spy is good, and is aesthetic in appearance, also can use during power failure, can replace two traditional road doors fully.

Below in conjunction with the accompanying drawing illustrated embodiment, describe the utility model in detail.

Fig. 1 is the overall structure schematic diagram of this security door.

Fig. 2 is motor driver and travel switch schematic diagram.

Fig. 3 is A among Fig. 2-A sectional view.

Fig. 4 is a circuit diagram.

Fig. 5 is the structural representation of door lock.

Fig. 6 is the front view of door.

Fig. 7 is the rear elevation of door.

Fig. 8 is the vertical view of door.

The utility model mainly is made up of doorframe 1, door 2 and door lock 3, wherein, doorframe 1 is the double-deck doorframe that adopts deformed channel steel, angle steel to form, there is a root post its centre with the doorframe dimidiation, wherein half is embedded in the middle of the body of wall, chute is arranged in doorframe, and door 2 places this chute, and can move by left and right sides shuttle in chute.See Fig. 1.

The tooth bar 4 that is arranged in doorframe 1 is meshed with the driven wheel 5 of door 2.See Fig. 2.

Driven wheel 5 is rotated by the deceleration drive driven wheel 5 of the motor 6 that is arranged in door 2 by belt pulley 7, gear 8.See Fig. 3.

Motor 6 is connected with the normally open push button switch K3K4 of travel switch K1, contact switch K2 and two parallel connections.See Fig. 4.

Described travel switch K1 is made up of lance 9, a contact 10 and two contacts 12, and lance 9 is positioned at the chute of shop front boss 11, and can horizontally slip in chute.Its two can contact with the end face on the adjacent both sides of doorframe respectively, and lance 9 is hinged with contact 10, and contact 10 is between two contacts 12.See Fig. 2 and Fig. 3.

Described two button switch K 3K4 that often open lay respectively at Men Nei and showy outdoors place.Not expression in the drawings.

Described contact switch K2 is positioned at door lock 3.Door lock 3 is made up of clamp 13, dead bolt 14, cross bar 15, control lever 16, thumb wheel 17, alignment pin 18 and lock core 19, wherein, clamp 13 is positioned on doorframe 1 column on one side, dead bolt 14 be arranged in the door 2 on clamp 13 corresponding lockholes, dead bolt 14 connects firmly mutually with a cross bar 15, spring 21 and spring 22 that dead bolt is upwards driven are housed on dead bolt 14 and cross bar 15, spring 21 is to push away spring, spring 22 is extension springs, one of control lever 16 links to each other with cross bar 15, contact switch K2 is positioned on the control lever 16, controls its break-make by control lever.The side of control lever 16 has the position of tooth to be meshed with profile of tooth thumb wheel 17, and alignment pin 18 can be under the driving of spring 23 in the pin-and-hole in the laterally inserted control lever 16, and the motion of this alignment pin 18 is by lock core 19 controls.When unblanking,, drive the pin-and-hole that alignment pin 18 breaks away from control lever 16 with key rotation lock core 19, at this moment, control lever 16, dead bolt 14, cross bar 15 move upward under the effect of spring 21 and spring 22, make dead bolt 14 leave clamp 13, the state that unlocks, door just can be opened.The controlled bar 16 of contact switch K2 is pushed down simultaneously, is in closure state.When shutting, trackwheel 7, make control lever 16, dead bolt 14 and cross bar 15 move downward, when dead bolt 14 snaps in the clamp 13, in the pin-and-hole of alignment pin 18 automatic insertion control lever 16 sides under the driving of spring 23, promptly be in the lock state, simultaneously, control lever leaves contact switch K2, contact switch K2 automatic disconnection.

Described doorframe 1 has three root posts, and the dead bolt door lock vertical with the shop front 20 is housed on a middle root post, under the door lock closed condition, and has the locked groove 24 that matches with the dead bolt of door lock 20 on this door lock 20 corresponding doors 2.

Operating principle of the present utility model is such, at first, opens door lock 20 and door lock 3, and contact switch K2 is connected, and so no matter the people is at Men Nei or press the button K switch 3 or K4 outdoors, and at this moment power connection moves in the chute of motor-driven door 2 in doorframe 1.When door moved to end points place in the doorframe, doorframe 1 edge or the middle column lance 9 in can impact stroke switch K1 made the motor counter-rotating, and like this, door 2 will come shuttle rebounding moving in doorframe 1.When door moves to desired location (opening or closing), release button K switch 3 or K4, door just stops automatically.

Behind locking door lock 3 and the door lock 20, because contact switch K2 disconnects, even press the button K switch 3 or K4, door can not move yet.Because dual door lock is arranged, therefore, this door is difficult to pry open.Use very safe.

Claims (4)

1, a kind of Electric door against thieves, form by doorframe and Door and its lock, chute is arranged in doorframe, door is arranged in the chute of doorframe, it is characterized in that: tooth bar (4) is housed on the top of doorframe, on door, the driven wheel (5) that is meshed with tooth bar (4) is housed with tooth bar (4) corresponding section, this driven wheel is driven by deceleration device by the motor that is positioned on the door, motor be positioned at Men Nei and control the travel switch K1 of motor positive and inverse and be positioned at door lock and the contact switch K2 that controlled by dead bolt and the normally open push button switch K3K4 of two parallel connections connect, described two button switch K 3K4 lay respectively on Men Nei and the body of wall outdoors.

2, according to the described Electric door against thieves of claim 1, it is characterized in that: described door lock is by clamp (13), dead bolt (14), cross bar (15), control lever (16), thumb wheel (17), alignment pin (18) and lock core (19) are formed, wherein, clamp is positioned on the doorframe column on one side, dead bolt is arranged in door and goes up and the corresponding lockhole of clamp, cross bar links to each other with dead bolt, the spring that dead bolt is upwards driven is housed on dead bolt and cross bar, one of control lever links to each other with cross bar, contact switch K2 is positioned at the control lever top, there is tooth the side of control lever, it is meshed with the profile of tooth thumb wheel, alignment pin can be under the driving of spring in the pin-and-hole in the laterally inserted control lever, and alignment pin is controlled by lock core.

3, according to claim 1 or 2 described Electric door against thieves, it is characterized in that: described travel switch K1 is made up of lance (9), a contact (10) and two upper contacts (12), lance (9) is positioned at the chute of door in boss (11), its two can contact with the end face on the adjacent both sides of doorframe respectively, lance and contact are hinged, and contact is between two contacts.

4, according to claim 1 or 2 described Electric door against thieves, it is characterized in that: described doorframe 1 has three root posts, the dead bolt door lock vertical with the shop front (20) is housed on a middle root post, under door closure state, and have the locked groove (24) that matches with the dead bolt of door lock (20) on the corresponding door of this door lock (20) 2.

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