CN217760493U

CN217760493U - Electromagnetic lock

Info

Publication number: CN217760493U
Application number: CN202221605986.1U
Authority: CN
Inventors: 刘训喜; 刘晓梅; 陈学发; 刘咏梅
Original assignee: Shanghai Nudange Safety Equipment Co ltd
Current assignee: Shanghai Nudange Safety Equipment Co ltd
Priority date: 2022-06-26
Filing date: 2022-06-26
Publication date: 2022-11-08
Anticipated expiration: 2032-06-26

Abstract

The utility model relates to an electromagnetic lock, belonging to the technical field of electromagnetic locks, comprising a bottom plate, wherein a fixed plate is arranged at one end of the bottom plate; the panel is fixedly arranged on one side of the fixed plate far away from the bottom plate; the microswitch is fixedly arranged on the bottom plate; the key fixing piece is arranged between the bottom plate and the fixing plate and is used for inserting a key to be matched with the microswitch; the electromagnet seat is fixedly arranged on the bottom plate, and an electromagnet core is arranged in the electromagnet seat; the limiting piece is installed on the electromagnet core, and when the electromagnet seat is powered on, the key cannot pass through the key fixing piece. The utility model discloses a set up the cooperation of electromagnetism iron stand, locating part and key mounting, realized the release locking of key and the conversion between the signal of telecommunication, when switching on promptly, the key can be extracted to the electro-magnet withdrawal unblock, and the electro-magnet stretches out during the outage, and the key can't be extracted, if the key has been extracted, during the outage, acts on at the stopper and still can insert the key.

Description

Electromagnetic lock

Technical Field

The utility model relates to an electromagnetic lock technical field specifically is an electromagnetic lock.

Background

The design of an electromagnetic lock (or called a magnetic lock) is the same as that of an electromagnet, the electromagnetic principle is utilized, and when current passes through a silicon steel sheet, the electromagnetic lock can generate strong suction to tightly suck an adsorption iron plate to achieve the effect of locking a door. As long as the small current electromagnetic lock can generate the magnetic force, the access control system controlling the power supply of the electromagnetic lock is powered off after identifying the correctness of personnel, and the electromagnetic lock can be opened after losing the suction force.

At present, the mechanical interlocking is mainly adopted, and mechanical coded information cannot be converted into an electric signal, so that the application of the mechanical coded information is limited, and optimization is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electromagnetic lock to solve the problem that proposes among the above-mentioned background art.

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

an electromagnetic lock comprising:

a bottom plate, one end of which is provided with a fixed plate;

the panel is fixedly arranged on one side of the fixed plate, which is far away from the bottom plate;

the microswitch is fixedly arranged on the bottom plate;

the key fixing piece is arranged between the bottom plate and the fixing plate and used for inserting a key to be matched with the microswitch;

the electromagnet seat is fixedly arranged on the bottom plate, and an electromagnet core is arranged in the electromagnet seat;

and the limiting piece is arranged on the electromagnet core, and a key cannot pass through the key fixing piece when the electromagnet seat is electrified.

As a further technical scheme of the utility model, the key mounting includes:

the first key fixing block is connected with the bottom plate through a key block base plate, and one end of the first key fixing block is connected with the key block base plate;

the second key fixing block is connected with the bottom plate through a key block base plate, one end of the second key fixing block is connected with the key block base plate, and a gap for a key to pass through is formed between the second key fixing block and the first key fixing block.

As a still further technical scheme of the utility model, the locating part includes:

one end of the shaft is connected with the electromagnetic iron core, and the other end of the shaft penetrates through the second key fixing block and the first key fixing block and extends to the outside;

the shaft sleeve is sleeved among the shaft, the second key fixing block and the first key fixing block;

the gasket is sleeved outside the shaft and arranged on two sides of the shaft sleeve;

the limiting block is arranged on the shaft and matched with the key;

the spring is installed on the shaft, one end of the spring is fixedly connected with the limiting block, and the other end of the spring is fixedly connected with the shaft.

As the utility model discloses a further technical scheme again, micro-gap switch passes through spacing post and links to each other with the bottom plate, last binding post of installing of micro-gap switch.

As the utility model discloses a further technical scheme again, the panel passes through cap nut and fixed plate fixed connection.

As a further technical scheme, install explosion-proof pilot lamp and sign on the panel.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the cooperation of electromagnet seat, locating part and key mounting, realized the release locking of key and the conversion between the signal of telecommunication, when circular telegram promptly, the key can be extracted to the electro-magnet withdrawal unblock, and the electro-magnet stretches out during the outage, and the key can't be extracted, if the key has been extracted, during the outage, acts on at the limiting part and still can insert the key.

Drawings

FIG. 1 is a front view of an electromagnetic lock;

FIG. 2 is a top view of the electromagnetic lock;

FIG. 3 is a side view of the electromagnetic lock.

In the figure: the key comprises a base plate 1, a first key fixing block 2, a second key fixing block 3, a key block 4, a key block backing plate 5, an electromagnet seat 6, an electromagnet core 7, a key 8, a panel 9, an explosion-proof indicator lamp 10, a wiring terminal 11, a microswitch 13, a limiting column 13, a fixing plate 14, a mark 16, a cap nut 21, a limiting block 24, a shaft sleeve 25, a shaft 26 and a gasket 27.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The embodiment of the utility model provides a realize like this, as the electromagnetic lock shown in fig. 1 to 3, include:

a bottom plate 1, one end of which is provided with a fixed plate 14;

the panel 8 is fixedly arranged on one side of the fixing plate 14 far away from the bottom plate 1;

the microswitch 11 is fixedly arranged on the bottom plate 1;

a key 7 fixing piece which is arranged between the bottom plate 1 and the fixing plate 14 and is used for inserting the key 7 to be matched with the microswitch 11;

the electromagnet seat 5 is fixedly arranged on the bottom plate 1, and an electromagnet core 6 is arranged in the electromagnet seat 5;

and the limiting piece is arranged on the electromagnet core 6, and the key 7 cannot be fixed through the key 7 when the electromagnet seat 5 is electrified.

The utility model discloses in the during actual application, through setting up electromagnetism iron stand 5, locating part and the cooperation of key 7 mounting, realized changeing the signal of telecommunication into the signal of key 7 release and locking, specifically electromagnetism iron stand 5 circular telegram pins key 7, key 7 can not be extracted or insert, and the locating part no longer blocks key 7 under the outage condition, can insert or extract key 7 this moment, uses safelyr, for guaranteeing overall structure stable, micro-gap switch 11 links to each other with bottom plate 1 through spacing post 13, micro-gap switch 11 is last to install binding post 10, and is preferred, and micro-gap switch 11's position can be adjusted to spacing post 13, better cooperates with key 7; panel 8 is through lid shape nut 21 and fixed plate 14 fixed connection, install explosion-proof pilot lamp 9 and sign 16 on the panel 8, conveniently carry out the dismouting with panel 8 and fixed plate 14 through lid shape nut 21, whether explosion-proof pilot lamp 9 is used for showing and locks at present, and cooperation sign 16 makes the operation more convenient.

As shown in fig. 2 and 3, as a preferred embodiment of the present invention, the key 7 fixing member includes:

the first key fixing block 2 is connected with the bottom plate 1 through a key block base plate 4, and one end of the first key fixing block 2 is connected with the key block base plate 4;

the second key fixing block 3 is connected with the bottom plate 1 through a key block backing plate 4, one end of the second key fixing block 3 is connected with the key block backing plate 4, and a gap for the key 7 to pass through is formed between the second key fixing block 3 and the first key fixing block 2.

In the condition of this embodiment, through first key fixed block 2 and second key fixed block 3 promptly, conveniently cooperate the locating part when realizing that key 7 inserts smoothly, the signal that is about to the electric property number transformation of electromagnet seat 5 key 7 release and locking is more stable, and key piece backing plate 4 sets up makes things convenient for whole dismouting of carrying on.

As shown in fig. 2 and 3, as another preferred embodiment of the present invention, the position limiting member includes:

a shaft 26 having one end connected to the electromagnet core 6 and the other end penetrating through the second key fixing block 3 and the first key fixing block 2 and extending to the outside;

the shaft sleeve 25 is sleeved among the shaft 26, the second key fixing block 3 and the first key fixing block 2;

the gasket 27 is sleeved outside the shaft 26, and the gasket 27 is arranged on two sides of the shaft sleeve 25;

a stop block 24 mounted on the shaft 26 and cooperating with the key 7;

and the spring is arranged on the shaft 26, one end of the spring is fixedly connected with the limiting block 24, and the other end of the spring is fixedly connected with the shaft 26.

In one case of the embodiment, when the electromagnet seat 5 is powered on, the electromagnet core 6 is pushed to slide with the shaft 26, at this time, the stopper 24 compresses the spring and moves to a position between the first key fixing block 2 and the second key fixing block 3, at this time, if the key 7 is inserted, the key is locked by the stopper 24 and cannot be pulled out, and if the key 7 is not inserted, the key is blocked by the stopper 24 and cannot be inserted; when the power is off, the shaft 26 and the electromagnetic iron core 6 are pushed back under the action of the spring, at the moment, the limiting block 24 does not lock or block the key 7 any more, and the key 7 can be pulled out or inserted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 electromagnetic lock, comprising:

a bottom plate, one end of which is provided with a fixed plate;

the microswitch is fixedly arranged on the bottom plate;

the key fixing piece is arranged between the bottom plate and the fixing plate and is used for inserting a key to be matched with the microswitch;

2. The electromagnetic lock of claim 1, wherein the key holder comprises:

3. The electromagnetic lock of claim 2, wherein the retaining member comprises:

the limiting block is arranged on the shaft and matched with the key;

4. The electromagnetic lock of claim 1, wherein the microswitch is connected to the base plate by a limit post, and the microswitch is provided with a terminal.

5. The electromagnetic lock of claim 1, wherein the face plate is fixedly attached to the fixed plate by a cap nut.

6. An electromagnetic lock according to claim 5, wherein said panel has mounted thereon an explosion-proof indicator light and a logo.