CN210483306U

CN210483306U - Safety door lock

Info

Publication number: CN210483306U
Application number: CN201920723783.4U
Authority: CN
Inventors: 金加法; 徐晓东; 刘雨; 李俊臣
Original assignee: Changzhou Jingsheng Automation Technology Co ltd
Current assignee: Changzhou Jingsheng Automation Technology Co ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-05-08
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a safety door lock, it includes latch, latch arm-tie, latch chute board, latch lock, lock switch, fixed plate and latch switch key, fixed plate fixed mounting on the side frame of the sticking department of door, latch chute board fixed mounting on the door leaf with the adjacent position of sticking department, latch lock and lock switch fix on the fixed plate, the latch sets up on the latch chute board to with latch arm-tie sliding fit, the tip and the latch lock of latch are just right, latch arm-tie and latch fixed connection, latch switch key set up on the lateral wall of latch arm-tie, latch switch key is just right with lock switch, when pulling latch arm-tie drive latch and latch lock, the tip of latch switch key gets into lock switch's lockhole in step, lock switch be automatic switch. The utility model discloses a safety door lock, simple structure, it is all very convenient to install and maintain, and the security is higher.

Description

Safety door lock

Technical Field

The utility model relates to a tool to lock technical field, concretely relates to safety door lock.

Background

The existing door lock usually adopts a security door lock, has a complex structure, usually comprises a lock cylinder and a plurality of matching parts, is very complex to install and maintain, needs a key when opening the door, and can open the door only by the user needing to carry the key. In a factory, a safety protection net needs to be arranged near a mechanical arm, in order to prevent a worker from entering a working area of the mechanical arm by mistake when the mechanical arm works, a locking piece needs to be arranged on a door of the safety protection net, at present, a bolt is usually arranged on the safety protection net, under the condition, the worker still can enter the working area of the mechanical arm, certain potential safety hazards exist, if an existing household anti-theft door lock is adopted, the problems exist, therefore, the safety protection net needs to be improved, and the safety door lock suitable for the factory safety protection net is designed.

Disclosure of Invention

The utility model aims to the background art lock structure among the prior art complicated, the installation is very complicated with the maintenance, and if adopt the bolt, the low problem of security provides a simple structure and high safety lock of security.

Realize the utility model discloses a purpose technical scheme as follows:

a safety door lock comprises a bolt, a bolt pull plate, a bolt sliding groove plate, a door latch, a door lock switch, a fixed plate and a bolt switch key, wherein the fixed plate is fixedly arranged on a side frame of a locking part of a door, the bolt sliding groove plate is fixedly arranged on a door leaf and is adjacent to the locking part, the door latch and the door lock switch are fixedly arranged on the fixed plate, the bolt is arranged on the bolt sliding groove plate and is in sliding fit with the bolt sliding groove plate, the end part of the bolt is opposite to the door latch, the bolt slides towards the door latch along the bolt sliding groove to be locked with the door latch, the bolt pull plate is fixedly connected with the door latch, the bolt switch key is arranged on the side wall of the bolt pull plate and is opposite to the door lock switch, when the bolt is driven to be locked with the bolt by pulling the pull plate, the end part of the bolt switch key synchronously enters a lock hole of the door lock switch, the door lock switch is an automatic switch.

In the scheme, the latch is rectangular, a latch hole is formed in the surface, opposite to the fixing plate, of the latch, the latch is long-strip-shaped, a plug corresponding to the latch hole is arranged at the end of the latch, and the cross section of the plug is trapezoidal.

In the scheme, the door lock switch is a magnetic card switch, a fingerprint switch, a password switch, a face recognition switch or other electronic switches, when the door lock switch triggers unlocking operation, the door lock switch ejects the latch switch key, and the latch switch key drives the latch to slide along the latch sliding groove plate through the latch pulling plate, so that the latch is separated from the latch fastener to unlock.

In the scheme, the handle is arranged on the bolt pulling plate and fixedly connected with the bolt pulling plate.

In the above scheme, the latch switch key includes an installation portion connected to the latch pulling plate, a trapezoidal limiting portion, and a key portion engaged with the lock hole, and when the door lock is locked, the key portion is inserted into the lock hole of the door lock switch, and the insertion portion of the key is limited by the trapezoidal limiting portion.

In the scheme, the bolt sliding groove plate and the side face, contacted with the door, of the fixed plate are provided with assembling holes, and the bolt sliding groove plate and the door of the fixed plate are fixedly connected with each other through the locking plate and the bolt on the outer side of the mesh door. Through the arrangement, the bolt sliding groove plate and the fixing plate can be fixed on the mesh door of the safety protection net, the installation is convenient, and the assembly is more stable.

The utility model has the advantages as follows: the utility model discloses a safety door lock, simple structure, part is small in quantity, and the reliability is high, and installation and maintenance are all very convenient, and it is convenient to open the door easy operation, need not hand-carry the key moreover, and the use mode such as fingerprint, password, magnetic card or facial discernment of opening the door, and the security is higher.

Drawings

Fig. 1 is a schematic structural view of the safety door lock of the present invention;

fig. 2 is a rear view of the safety door lock of the present invention;

in the figure, 1 is a bolt, 2 is a bolt pulling plate, 3 is a bolt sliding groove plate, 4 is a bolt buckle, 5 is a door lock switch, 6 is a fixing plate, 7 is a bolt switch key, 8 is a handle, 9 is an assembly hole, 10 is a limiting groove, and 11 is a limiting column.

Detailed Description

In order to make the technical problem, the scheme adopted and the expression of the realization effect solved by the present invention clearer and more clear, the following will be described in further detail with reference to the accompanying drawings, all examples are described as only the partial not whole examples of the present invention, and other examples of the achievements that this neighborhood technician has no creativity all belong to the scope of the protection of the present invention.

As shown in FIG. 1, the safety door lock of the present invention comprises a latch 1, a latch slide plate 2, a latch slide groove plate 3, a latch catch 4, a door lock switch 5, a fixing plate 6 and a latch switch key 7, wherein the fixing plate is fixedly mounted on a side frame of a locking portion of a door, the latch slide groove plate is fixedly mounted on a door leaf adjacent to the locking portion, the latch catch and the door lock switch are fixed on the fixing plate, the latch is disposed on the latch slide groove plate and is in sliding fit with the latch slide groove plate, an end portion of the latch is opposite to the latch catch, the latch slides along the latch slide groove towards the latch catch to be locked with the latch catch, the latch slide plate is fixedly connected with the latch catch, the latch switch key is disposed on a side wall of the slide plate, the latch switch key is opposite to the door lock switch, when the latch is driven by pulling the latch slide plate to be locked with the latch catch, the end portion of the latch switch key synchronously enters into a lock hole of the, the door lock switch is an automatic switch.

In the scheme, the latch 4 is rectangular, a latch hole is formed in the surface, opposite to the fixing plate 6, of the latch 4, the latch 1 is long-strip-shaped, a plug corresponding to the latch hole is arranged at the end of the latch, and the cross section of the plug is trapezoidal.

In the scheme, the door lock switch 5 is a magnetic card switch, a fingerprint switch, a password switch, a face recognition switch or other electronic switches, when the door lock switch 5 triggers an unlocking operation, the door lock switch 5 ejects the latch switch key 7, and the latch switch key 7 drives the latch 1 to slide along the latch sliding groove plate 3 through the latch pulling plate 2, so that the latch 1 is separated from the latch buckle 4 to unlock.

In the scheme, the handle 8 is arranged on the bolt pulling plate 2, and the handle 8 is fixedly connected with the bolt pulling plate 2.

In the above scheme, the latch switch key 7 includes an installation portion connected to the latch pulling plate, a trapezoidal limiting portion, and a key portion engaged with the lock hole, and when the door lock is locked, the key portion is inserted into the lock hole of the door lock switch, and the insertion position of the key is limited by the trapezoidal limiting portion.

In the above scheme, as shown in fig. 2, the latch sliding groove plate and the fixed plate are provided with assembling holes 9 on the side surfaces contacting with the door, and the latch sliding groove plate and the fixed plate are fixedly connected with the door by the locking plate and the bolt on the outer side of the mesh door. Through the arrangement, the bolt sliding groove plate and the fixing plate can be fixed on the mesh door of the safety protection net, the installation is convenient, and the assembly is more stable.

In the scheme, the side face of the bolt sliding groove plate 3, which is contacted with a door, is provided with the limiting groove 10, the side face of the bolt 1, which is opposite to the bolt sliding groove plate 3, is provided with the limiting column 11 in sliding fit with the limiting groove 10, and when the bolt slides, the limiting column 11 slides along the limiting groove 10, so that the sliding range of the bolt 1 is limited.

The utility model discloses a safety door lock, simple structure, part is small in quantity, and the reliability is high, and installation and maintenance are all very convenient, and it is convenient to open the door easy operation, need not hand-carry the key moreover, and the use mode such as fingerprint, password, magnetic card or facial discernment of opening the door, and the security is higher.

It should be noted that the above mentioned embodiments are only some preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced equally. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.

Claims

1. A safety door lock, characterized by: which comprises a latch, a latch pulling plate, a latch sliding groove plate, a latch buckle, a door lock switch, a fixed plate and a latch switch key, the fixing plate is fixedly arranged on the side frame of the locking part of the door, the bolt sliding groove plate is fixedly arranged on the door leaf and the part adjacent to the locking part, the door latch and the door lock switch are fixed on the fixed plate, the door latch is arranged on the door latch sliding groove plate, and is matched with the door bolt sliding groove plate in a sliding way, the end part of the door bolt is opposite to the door bolt buckle, the door bolt slides towards the door bolt buckle along the door bolt sliding groove and can be locked with the door bolt buckle, the latch pulling plate is fixedly connected with the latch, the latch switch key is arranged on the side wall of the latch pulling plate and is opposite to the door lock switch, when the door bolt pulling plate is pulled to drive the door bolt to be locked with the door bolt buckle, the end part of the door bolt switch key synchronously enters a lock hole of a door lock switch, and the door lock switch is automatically switched.

2. The security door lock of claim 1, wherein: the door bolt is rectangular, a door bolt hole is formed in the surface, opposite to the fixing plate, of the door bolt, the door bolt is long-strip-shaped, a plug corresponding to the door bolt hole is arranged at the end of the door bolt, and the cross section of the plug is trapezoidal.

3. The security door lock of claim 1, wherein: the door lock switch is a magnetic card switch, a fingerprint switch, a password switch and a face recognition switch, when the door lock switch triggers the unlocking operation, the door lock switch ejects a latch switch key, and the latch switch key drives a latch to slide along a latch sliding groove plate through a latch pulling plate, so that the latch is separated from a latch buckle to unlock.

4. The security door lock of claim 1, wherein: the handle is arranged on the bolt pulling plate and fixedly connected with the bolt pulling plate.

5. The security door lock of claim 1, wherein: the door latch switch key comprises an installation part connected with the door latch pulling plate, a trapezoidal limiting part and a key part matched with the lock hole, when the door lock is locked, the key part is inserted into the lock hole of the door lock switch, and the inserted part of the key is limited by the trapezoidal limiting part.

6. The security door lock of claim 1, wherein: the side surfaces of the bolt sliding groove plate and the fixed plate, which are contacted with the door, are provided with assembly holes, and the bolt sliding groove plate and the door of the fixed plate are fixedly connected with the outer side of the reticular door through a locking plate and a bolt.

7. The security door lock of claim 1, wherein: the side face of the bolt sliding groove plate, which is in contact with the door, is provided with a limiting groove, the side face of the bolt, which is opposite to the bolt sliding groove plate, is provided with a limiting column in sliding fit with the limiting groove, and when the bolt slides, the limiting column slides along the limiting groove, so that the sliding range of the bolt is limited.