CN2269445Y

CN2269445Y - Anti-theft door bolt

Info

Publication number: CN2269445Y
Application number: CN 96247976
Authority: CN
Inventors: 刘兴田
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-12-12
Filing date: 1996-12-12
Publication date: 1997-12-03
Anticipated expiration: 2006-12-12

Abstract

The utility model relates to an anti-theft door bolt which comprises an electricity-controlled part and a mechanical part. The utility model is characterized in that the electricity-controlled part is composed of a transmitting circuit, a receiving circuit, a controlling executive circuit, an alarm circuit and a power supply circuit. The mechanical part is composed of motors (4, 5), a gear (14) connected with the motors, a rack bar (6) engaged with the gear, a door bolt (8), a spring (7) and an orbit (11). The rack bar and the door bolt are moved on the orbit, and the rack bar is connected with the door bolt by a spring. The door bolt of the utility model has the advantages of strong confidentiality, high reliability, high concealing performance, convenient and safe use, low cost, etc., and the external appearance of a house door does not affected.

Description

A kind of antitheft keeper

The utility model relates to the door technical field of burglary prevention, specifically a kind of antitheft keeper.

Existing house anti-theft device is of a great variety, and antitheft means are also varied, wherein based on theftproof lock.Theftproof lock can play a role for antitheft, but still is destroyed by the robber easily.

The purpose of this utility model provides a kind of strong security, the reliability height, and having preferably, disguise is difficult for ruined antitheft keeper.

The technical solution of the utility model is: comprise automatically controlled part and machinery partly, it is characterized in that:

A) automatically controlled part is by radiating circuit, receiving circuit, the control executive circuit, warning circuit and power circuit are formed, power circuit is supplied with receiving circuit, control executive circuit, warning circuit working power, radiating circuit dry cell power supply, the P1 of receiving circuit, P2, P ' 1, P ' 2 relay tips join with the corresponding contact of controlling executive circuit respectively.

B) mechanical partly by motor (4,5), gear that is connected with motor (15) and the tooth bar (6) that is engaged with, keeper (8), spring (7), track (11) is formed, and moves on tooth bar and the keeper track, and tooth bar and keeper are connected by spring.

Below in conjunction with accompanying drawing the utility model is described in further detail, but is not limited to shown in the accompanying drawing.

Fig. 1 is a partly structural representation of machinery of the present utility model

Fig. 2 is radiating circuit figure of the present utility model

Fig. 3 is receiving circuit figure of the present utility model

Fig. 4 is control executive circuit figure of the present utility model

Fig. 5 is warning circuit figure of the present utility model

Fig. 6 is a power circuit of the present utility model

Among Fig. 1, the A contact among 1-Fig. 5,2-promote the contact of A or the disconnection of B contact, the fixed point of 3-trapped orbit groove.4-master uses motor, the standby motor of 5-, 6-tooth bar, 7-spring, 8-keeper, the B contact among 9-Fig. 5,10-dead bolt button, 11-rail groove, 12-doorframe, 13-door, 14-motor gear.

The utility model is made up of machinery part and automatically controlled part.Wherein machinery partly (as shown in Figure 1) by main motor 4 and standby motor 5, gear 14 that is connected with motor and the tooth bar 6 that is engaged with, keeper 8, spring 7, track 11 compositions.Tooth bar and keeper move in orbit, and tooth bar and keeper are connected by spring.Machinery action is partly controlled by automatically controlled part.If will be at closing time, the motor turn makes tooth bar promote keeper and advances, and when the contact disconnected the B contact, when motor stopped operating, keeper just in time dropped among the keeper button.In the time will opening the door, the motor counter-rotating, rack drives keeper pass-out bolt button, when the A contact was hung up in the contact, motor stopped operating, and at this moment keeper all withdraws from the bolt button.

Automatically controlled part and machinery partly all is contained in-individual can in, be contained in the inner face of door door-plate.

Below be the description of automatically controlled part:

Shown in Fig. 2-6, automatically controlled part by automatically controlled part by radiating circuit, receiving circuit, the control executive circuit, warning circuit and power circuit are formed, power circuit is supplied with receiving circuit, control executive circuit, warning circuit working power, and radiating circuit dry cell power supply, the P1 of receiving circuit, P2, P ' 1, P ' 2 relay tips join with the corresponding contact of controlling executive circuit respectively.

Wherein:

Be illustrated in figure 2 as radiating circuit, MC145026 is control data/encryption address encoder, and geocoding line 1-5 pin is gone into ground entirely, and 6,7,9,10 pin are input four road control datas.

In pressing S1-S4 during any key, corresponding input end has the high voltage input in 6,7,9,10 pin of MC145026 slice, thin piece, simultaneously, the nor gate D5 output low level that CD4002 constitutes also acts on start end 14 pin of MC145026, makes its coding output 15 pin output control data and encryption address coded pulse.This coded pulse acts on the controlled oscillator that the NAND gate D1 that is made of CD4011 and D2, R3, R4, C2 form, and oscillator produces the coded modulation pulse by the 40KHZ of coded pulse modulation.This signal is recommended driving ultrasonic transmitter b through NAND gate D3, D4 and is sent ultrasonic signal.

Figure 3 shows that receiving circuit, the ultrasonic signal that ultrasonic receiver B receives, the in-phase amplifier that constitutes through LM324 amplifies, and sends into input 3 pin of decoder LM567, and its 8 pin output encoder pulse is added to 9 pin of control data/encryption address decoder MC145027.The 1-5 pin geocoding end of MC14507 is consistent with the set condition in the radiating circuit.When receiving circuit is received ultrasonic code signal, the control data output 12-15 pin of MC145027 will export with MC145026 in the identical control data of 6,7,9,10 pin data.The signal of MC145027 output acts on the delay circuit that the D2, the D3 that are made of 74LS14 and R9, D1C8 form, by the D4 drive circuit that 5G1413 constitutes, makes P1 inhale moving or discharges the contact control motor rotation of P1 relay.The delay circuit of 15 pin that only draw among figure output drives and executive circuit, all the other 12-14 pin outputs three tunnel identical with 15 pin.The work of 14 foot control system P2 relays, 13 foot control system P ' 1, relay work, the work of 12 foot control system P2 relays.

Be illustrated in figure 4 as the control executive circuit.M1 is that main to use motor, M2 be standby motor (being illustrated as situation about opening).The B contact closes, and the A contact disconnects.Radiating circuit S1-S4 controls P1, P2, P ' 1, P ' 2 respectively, sets P1, P ' 1 control simultaneously and opens the door, and P2, P ' 2 controls are closed the door.D2, D4 luminescent lamp are represented door opening state, and R2, R4 are current-limiting resistances, and when luminescent lamp puts out, then the expression door is opened.D1, D3 luminescent lamp are represented the state of closing the door, and R1, R3 are current-limiting resistances, when luminescent lamp puts out, represent that then door shuts.A, the B contact of control executive circuit are equal to 1 among Fig. 1,9 contacts.The indicator lamp of D1-D4 is contained in the top of door.

Be illustrated in figure 5 as warning circuit, G point and door is phase-locked among the figure, when the people touches lock, makes the G point be electronegative potential, makes the Q1-Q4 conducting after anti-phase, the C1 charging, and Ic1, Ic2 are started working by the oscillating circuit that 555 integrated circuits are formed.Ic1 produces about 1HZ sawtooth waveforms and is added to the Ic2 modulated terminal through the Q5 buffering, generation frequency of oscillation from low to high, and loudspeaker Y sends the chimes of doom of similar public security warning car, after human body leaves lock, tens seconds of delayed alarm still.The normally opened contact A that A point among the figure is received Fig. 4 can not report to the police when owner touches door lock.

Be illustrated in figure 6 as power circuit, T1 is a power transformer, 1 and 2 connects 220 volts of civil powers, 3 and 4 connect the input that rectifier bridge D1-D4 forms, the negativing ending grounding of its output, the input of positive termination C1 and integrated

regulator

7812,12 volts of voltages of output behind its output process D5, the D6 alternating current-direct current automatic switching circuit, C1, C2 are 7812 filter condensers, and M is 12 volts on a battery.+ 12 volts of inputs 1 that connect 7805 regulator blocks simultaneously, its 3 end is gone into ground, and 2 ends are exported positive 5 volts, and C3 is a filter capacitor.

Keeper of the present utility model has strong security, the reliability height, and good concealment, the door outward appearance is unaffected, Safety easy to use, the advantage such as cost is low.

Claims

1, a kind of antitheft keeper comprises automatically controlled part and machinery partly, it is characterized in that:

A) automatically controlled part is by radiating circuit, receiving circuit, the control executive circuit, warning circuit and power circuit are formed, power circuit is supplied with receiving circuit, control executive circuit, warning circuit working power, radiating circuit dry cell power supply, the P1 of receiving circuit, P2, P ＇ 1, P ＇ 2 relay tips join with the corresponding contact of controlling executive circuit respectively.

B) mechanical partly by motor (4,5), gear that is connected with motor (14) and the tooth bar (6) that is engaged with, keeper (8), spring (7), track (11) is formed, and tooth bar and keeper move in orbit, and tooth bar and keeper are connected by spring.