CN2044272U

CN2044272U - Electromagnetic lock opener

Info

Publication number: CN2044272U
Application number: CN 88207110
Authority: CN
Inventors: 张金银
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-06-09
Filing date: 1988-06-09
Publication date: 1989-09-13

Abstract

An electromagnetic lock opener of the utility model is that a lock opening device is packaged in a housing which is used as a hasp case. The lock opening device is an electromagnet, drives an ejector rod and a pushing block which is equipped on the end of the ejector rod moving together through the motion of a moving core, and pushes a bolt out the hasp case. The utility model has advantages of simple structure, safety, reliability and convenient installation. The utility model can realize unlocking at a long distance but does not influence any function of the existing rim night latch, the utility model is especially adapted for the household residential building with flat. If a button is installed on the service desk of a hotel, all house doors can be controlled centrally.

Description

Electromagnetic lock opener

The utility model belongs to a kind of device that can open pin tumbler lock at a distance, specifically a kind of electromagnetism lockaid gun.

Existing pin tumbler lock, must walk close to door when opening the door, or turn handle (indoor) or screw key (outdoor) can be unblanked.This is for the hotel and have the house of inner room, especially the dwelling house of garden arranged, and is extremely inconvenient when night and sleet sky open the door for the guest.

The purpose of this utility model provides a kind of device that can open pin tumbler lock at a distance.

What is called is unblanked, promptly be to allow dead bolt withdraw from keeper, normally screw key or handle are realized, the utility model is the motion by jacking block, dead bolt is released keeper, and the motion of jacking block is subjected to Electromagnetic Control, as long as power switch is contained on the position that needs, can realize remote operation.

The utility model is to encapsulate a unlocking apparatus only one in the shell that keeper uses.This device is made of electromagnet and push rod, jacking block.Electromagnet is made up of a secured core, a coil and a movable core.Rectangular or the square shape of secured core in the one group opposite side, Yi Bian open a breach, leaves pilot hole Yi Bian give, one side having four grooves that also are symmetrically distributed of breach, embed two end to end short-circuited conducting sleeves respectively; A cartridge type coil is seated in the square frame of secured core, axially places a lining in the coil, and the two ends of lining are respectively facing to breach and pilot hole on the secured core; Movable core is "T"-shaped shape, its montant passes breach on the secured core and submerges in the lining that matches, when the coil turn-on current, because the principle of electromagnetic induction, movable core promptly is attracted, move along axis direction in lining, one side be fixed till iron core has blocking of breach up to its cross bar, the effect of lining is an off-axis when preventing the movable core motion.One end of push rod is fixed on the montant of movable core, the other end passes the pilot hole on the secured core, the shape of pilot hole is complementary with the cross sectional shape of push rod, for easy to process, push rod also can be processed into "T"-shaped shape, together rivet the centre that is clipped in movable core then, and this moment, pilot hole was slot-shaped, and the effect of push rod is that jacking block is given in the motion of transduction activity iron core.Jacking block is fixed on the end that push rod stretches out pilot hole, and it is corresponding with dead bolt, ultimate range between jacking block and the shell end face (being the end face of keeper) is stroke, this also is movable core axially movable distance in lining, when being positioned at the starting point of stroke, jacking block is original state, when the coil turn-on current, movable core is motion rapidly in lining, drive and call off the lock state when push rod and jacking block are released keeper with dead bolt, when locking a door, dead bolt bounces back into jacking block the starting point of stroke again.

For indicating status, can in the utility model, set up a state indicating mechanism, this mechanism is promptly by a contact and the power switch that driving lever is formed.During original state, contact disconnects, and electric current is obstructed, and signal lamp or illuminating lamp do not work, and during unlocking condition, driving lever makes contact closure, and electric current is connected, i.e. opening signal lamp or illuminating lamp.Driving lever is the crossbar end that is contained in "T"-shaped movable core, make it and the movable core synchronized movement, and contact is to be fixed on the base plate of shell or on the bolster of insulation.

Unlocking apparatus and indicating mechanism are encapsulated in the shell, and shell is made up of base plate and box cover, and an end of box cover is processed into the keeper shape.Make with metal as the box cover, for safety, with the bolster of insulation with unlocking apparatus with the box cover separates and fixing.Base plate, jacking block and driving lever are also used insulation materials and are processed.

This practical full mold is simple in structure, safe and reliable, easy for installation, do not influence any function of existing pin tumbler lock, just can unblank at a distance and the grasp state, as button is installed on the information desk in hotel, just can carry out centralized Control to all doors, thus increase work efficiency and service quality.

Description of drawings of the present utility model is as follows:

Fig. 1: face cross-sectional view,

Fig. 2: overlook cross-sectional view,

Fig. 3: use schematic diagram.

1, box cover, 2, driving lever, 3, contact, 4, short-circuited conducting sleeve, 5, secured core, 6, coil, 7, jacking block, 8, support plate, 9, push rod, 10, lining, 11, movable core, 12, base plate, 13, bolster, 14, lock machine box hole, 15, installing hole, 16, pilot hole, 17, press button, 18, the dead bolt of pin tumbler lock, 19, pin tumbler lock, 20, the handle on the pin tumbler lock.

In conjunction with the accompanying drawings, the utility model embodiment is described below:

Steel plate punching press with 1 millimeters thick is the shape that rectangular-shaped box cover 1, one end is processed into keeper, and 17 * 28 millimeters keeper hole 14 is arranged on it, and five installing holes 15 are arranged on the box cover 1; The bolster of making of bakelite plate 13 is placed on the bottom of box cover 1, is used for insulation and positioning and fixing iron core 5; The superimposed back riveted joint of secured core 5 usefulness silicon steel sheet stamping parts forms, square, thick 10 millimeters, in one group of opposite side, have breach on one side, pass for movable core 11, another side gives and leaves slot-shaped pilot hole 16, pass for push rod 9, one side gap be embedded with two short-circuited conducting sleeves 4; The rectangle frame that the copper coin of short-circuited conducting sleeve 4 usefulness 1 millimeters thick is stamped to form; With enamel-covered wire coiling bucket formula coil 6, be contained in the square frame of secured core 5; The lining 10 usefulness scale copper side of being converted into tubbiness are inserted in the coil 6, and an end is facing to breach, and the other end is facing to pilot hole; Movable core 11 also is to form with the superimposed back riveted joint of silicon steel sheet stamping parts, be " T " shape, push rod 9 usefulness copper coins also are processed into "T"-shaped, but its montant is clipped in the centre riveted joint together of movable core, during assembling then than the length of movable core, pass breach on the secured core 5 as figure, stretch in the lining 10, push rod 9 then passes lining 10 and stretches out pilot hole 16, the fixing jacking block 7 in its end; Jacking block 7 usefulness polyvinyl chloride plastic flitch process, and its motion is limited by keeper and support plate 8, also can off-axis; Support plate 8 also processes with the polyvinyl chloride plastic flitch, is fixed on the base plate 12; Base plate 12 is the square bakelite plates of a block length, is fixed on the box cover 1 with screw.

Bakelite rod processing with insulation has protruding driving lever 2, and driving lever 2 is installed in the crossbar end of movable core 11, also can unload as not needing; Be fixed on the base plate behind contact 3 usefulness copper bar sheets bending 90 degree, be normally open, just make contact 3 closures after driving lever 2 is with movable core 11 motions, the circuit of engage light or illuminating lamp just indicates unlocking condition at this moment.

During installation, three installing holes of keeper one end are fixed on the doorframe with screw, two installing holes of the other end are fixed on the wall, make it corresponding with pin tumbler lock 19, connect power circuit again and just can.

Claims

1, a kind of electromagnetism lockaid gun is made of shell, electromagnet, push rod and jacking block, it is characterized in that:

A, electromagnet are made up of a rectangle or square secured core, "T"-shaped movable core and bucket formula coil, one side of secured core has breach and is embedded with two short-circuited conducting sleeves, its opposite side gives and leaves pilot hole, a barrel formula coil is housed in the square frame of secured core, in the bucket formula coil lining is housed, movable core passes breach and submerges in the lining;

One end of b, push rod is connected on the movable core, and the other end passes pilot hole, and fixes a jacking block;

The shell of c, encapsulation electromagnet and push rod, jacking block is made up of box cover and base plate, and an end of box cover is processed into the shape of keeper.

2, electromagnetism lockaid gun according to claim 1, it is characterized in that: push rod also is processed into "T"-shaped shape, is clipped in the centre riveted joint together of movable core, and the pilot hole of this moment is slot-shaped.