WO2017005026A1

WO2017005026A1 - Magnetic lock

Info

Publication number: WO2017005026A1
Application number: PCT/CN2016/078962
Authority: WO
Inventors: 张宗志
Original assignee: 上海欧一安保器材有限公司
Priority date: 2015-04-29
Filing date: 2016-04-11
Publication date: 2017-01-12
Also published as: CN204804500U; CN104989186A

Abstract

Disclosed is a magnetic lock, which comprises a lock body unit (1) and a blind bolt unit (6) locked with the lock body unit (1), wherein an electromagnet (2) being magnetic in an unenergized state is provided in the lock body unit (1), an extending iron plate (3) which can lock the blind bolt unit (6) is provided on the top of the electromagnet (2), the electromagnet (2) attracts the extending iron plate (3) when becoming magnetic, and the extending iron plate (3) can drive the blind bolt unit (6) to lock the lock body unit (1); and when the electromagnet (2) is energized, the electromagnet (2) becomes not magnetic and the extending iron plate (3) is separated from the electromagnet (2) and drives the blind bolt unit (6) to spring out the lock body unit (1).

Description

Magnetic lock

Technical field

The invention relates to a magnetic lock, in particular to a power loss type magnetic lock.

Background technique

With the continuous improvement of material living standards, people's requirements for locks are getting higher and higher.

At present, the locks on the market generally rely on elastic or mechanical transmission to achieve the engagement between the lock tongue and the buckle seat. The biggest feature of this type of lock is that the lock tongue is exposed outside the lock body, so in the process of closing the door and window, if it is a lock When the tongue is in the locked state, it will collide with the outer frame of the door and window, which will damage the outer frame of the door and window, seriously affecting the appearance of the outer frame of the door and window; and the lock tongue is exposed and locked outside the body, which is easy to cause personal injury to children, Not safe.

In order to solve the above problems, a magnetic lock that is magnetically locked is formed on the market, for example, a "magnetic lock" disclosed in Chinese Patent No. CN101298816, which comprises a lock body and a lock plate, wherein the lock body has a built-in a bolt assembly and an unlocking assembly, the lock plate composition comprises a gusset magnet, the bolt assembly comprises a lock tongue magnet, and the gusset magnet and the lock tongue are different Extremely sucking. However, the above-mentioned magnetic lock is only locked by the mutual attraction between the two magnetic steels. If any one of the two magnetic steels has magnetic weakening or magnetic disappearance, the locking effect of the lock is not good or cannot be locked. The situation seriously affects the normal use of the lock; at the same time, such a lock needs to be locked when the power is on, which is not conducive to energy saving.

Summary of the invention

In order to solve the above problems, the present invention provides a magnetic lock, which can be unlocked when the power is turned on by setting a power-off type electromagnet, and locked when the power is off, thereby achieving energy saving.

In order to achieve the above object, the present invention provides a magnetic lock comprising a lock body unit and a pull bolt unit engageable with the lock body unit, wherein the lock body unit is internally provided with an electromagnetic body capable of being magnetic in a non-energized state. Body, the top of the electromagnet is provided with a relay plate that can lock the bolt unit, and the electromagnet

Claims

When it is magnetic, it absorbs with the iron plate, and the iron plate can drive the bolt unit to lock with the lock body unit; when the electromagnet is energized, the electromagnet loses magnetism, and the iron plate is separated from the electromagnet to drive the bolt unit to eject the lock body unit. .

As a further optimization of the present invention, a limiting hole is arranged along the locking plate of the iron plate and the bolt unit, the sleeve is internally provided with a sleeve, and a brake ring is arranged between the sleeve and the limiting hole, and the sleeve is provided The top ring is provided with a plurality of ball cavities for accommodating the steel balls. When the bolt unit is engaged with the iron plates, the steel balls in the sleeve abut against the brake ring, so that the bolt unit is pressed against the iron plate.

As a further optimization of the present invention, the two ends of the iron plate are connected to the lock body unit by a spring. When the power is applied, the electromagnet loses the magnetic force, and the iron plate is separated from the electromagnet by the action of the spring.

As a further optimization of the present invention, the bottom of the pull bolt unit is provided with a pull bolt head, and the pull bolt head can be sleeved inside the sleeve, and when the bolt head passes through the ball receiving cavity, the steel ball in the ball receiving cavity is pressed to make the steel The outside of the ball is against the brake ring.

As a further optimization of the invention, the head of the bolt head is spindle-shaped and the bottom is chamfered to a cylindrical shape.

As a further optimization of the present invention, the top of the lock body unit is provided with a limited position gusset inward, and the limit gusset plate is disposed on both sides of the iron plate to limit the upward position of the iron plate.

As a further optimization of the invention, the bottom of the sleeve is fixed to the lock body unit by bolts.

As a further optimization of the invention, the lock body unit is mounted on the door and the pull bolt unit is mounted on the door frame.

As a further optimization of the invention, the lock body unit is mounted on the door frame and the pull bolt unit is mounted on the door.

As a further optimization of the present invention, the electromagnet is E-shaped, and the E-shaped ends of the electromagnet are correspondingly disposed at the bottom ends of the iron plates.

The invention has the advantage that

(1) The present invention realizes the energy saving effect by setting the power-off type electromagnet so that the magnetic lock is unlocked when the power is turned on, and is locked when the power is turned off;

(2) In the present invention, the retraction and release of the steel ball in the ball cavity enables the opening of the magnetic lock, which reduces the rigid friction in the prior art, and is advantageous for extending the service life of the magnetic lock.