CN111927211A

CN111927211A - Dual-protection mechanical structure lock

Info

Publication number: CN111927211A
Application number: CN202010859257.8A
Authority: CN
Inventors: 费建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2020-11-13

Abstract

The invention discloses a double-protection mechanical structure lock, which comprises a first lock group, wherein a second lock group, a third lock group and a shell are sequentially arranged outside the first lock group, and the first lock group and the second lock group can rotate; a first lock cavity is arranged behind the first lock group, the second lock group comprises a front side lock group and a rear side lock group, a front side lock pin limiting part is horizontally arranged in the front side lock group, a rear side lock pin limiting part is vertically arranged in the rear side lock group, a front side lock pin is horizontally arranged in the third lock group, and a rear side lock pin is vertically arranged in the third lock group. Compared with the prior art, the invention has the advantages that: the lock has the advantages of simple structure, convenient operation, pure mechanical structure, no electric conduction, no difference from the traditional lock in use, difficult theft opening, upgraded anti-theft performance, wide application range and applicability to houses, offices and the like.

Description

Dual-protection mechanical structure lock

Technical Field

The invention relates to the technical field of anti-theft door locks, in particular to a double-protection mechanical structure lock.

Background

The lock is a device installed on the door for locking the door to prevent other people from opening easily, the door lock has many kinds, mechanical lock, electronic lock, etc., according to different practical occasion practical requirements, different choices are provided, but people are most concerned about the anti-theft performance of the lock, along with the progress of science and technology, the technology of thieves is also advanced, the anti-theft door and window can be easily pried open by utilizing the existing tool, the anti-theft door and window can enter a room without sound, so the more complex anti-theft lock is produced by transportation, however, the complex unlocking step really brings many troubles to people who normally use, and therefore the lockset with strong anti-theft performance and convenient use is needed to be researched urgently.

Disclosure of Invention

The present invention is directed to solving the problems noted in the background and to providing a dual-security mechanical lock.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a double-protection mechanical structure lock comprises a first lock group, wherein a second lock group, a third lock group and a shell are sequentially arranged outside the first lock group, and the first lock group and the second lock group can rotate;

a first lock cavity is arranged behind the first lock group, the second lock group comprises a front side lock group and a rear side lock group, a front side lock pin limiting part is horizontally arranged in the front side lock group, a rear side lock pin limiting part is vertically arranged in the rear side lock group, a front side lock pin is horizontally arranged in the third lock group, and a rear side lock pin is vertically arranged in the third lock group;

a front key hole groove is horizontally formed in the first lock group and the front side lock group, and a rear key hole groove is vertically formed in the rear side lock group;

a rebound device is arranged in the first lock cavity, and an unlocking device is fixedly arranged behind the rear side lock group.

Preferably, the resilient means is a spring having a diameter smaller than the diameter of the first lock chamber.

As a preferable scheme, the front side lock pin limiting part and the front side lock pin are located on the same straight line, the rear side lock pin limiting part and the rear side lock pin are located on the same straight line, the front side lock pin is located on the right side of the center of the first lock group, and the rear side lock pin is located right above the center of the first lock group.

As a preferred scheme, a fixed block is fixedly arranged at the top of the shell.

Compared with the prior art, the invention has the advantages that: the lock has the advantages of simple structure, convenient operation, pure mechanical structure, no electric conduction, no difference from the traditional lock in use, difficult theft opening, upgraded anti-theft performance, wide application range and applicability to houses, offices and the like.

Drawings

Fig. 1 is a schematic front view of the present invention in use state 1.

Fig. 2 is a sectional view taken along line a-a in the state of use 1 of the present invention.

Fig. 3 is a schematic front view of the use state 2 of the present invention.

Fig. 4 is a sectional view B-B in the state of use 2 of the present invention.

As shown in the figure: 1. the lock comprises a first lock group, a second lock group, a third lock group, a housing, a first lock cavity, a second lock cavity, a third lock cavity, a second lock cavity, a front side lock pin limiting piece, a second lock cavity, a rear side lock pin limiting piece, a.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the resulting manner or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or point connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

With reference to the attached drawings, a double-protection mechanical structure lock comprises a first lock group 1, wherein a second lock group 2, a third lock group 3 and a shell 4 are sequentially arranged outside the first lock group 1, and the first lock group 1 and the second lock group 2 can rotate;

a first lock cavity 5 is arranged behind the first lock group 1, the second lock group 2 comprises a front lock group 201 and a rear lock group 202, a front lock pin limiting part 6 is horizontally arranged in the front lock group 201, a rear lock pin limiting part 7 is vertically arranged in the rear lock group 202, a front lock pin 8 is horizontally arranged in the third lock group 3, and a rear lock pin 9 is vertically arranged in the third lock group 3;

a key hole front groove 10 is horizontally arranged in the first lock group 1 and the front side lock group 201, and a key hole rear groove 11 is vertically arranged in the rear side lock group 202;

a rebound device 12 is arranged in the first lock cavity 5, and an unlocking device 13 is fixedly arranged behind the rear side lock group 202.

The resilient means 12 is a spring having a diameter smaller than the diameter of the first lock chamber 5.

The front side locking pin limiting part 6 and the front side locking pin 8 are located on the same straight line, the rear side locking pin limiting part 7 and the rear side locking pin 9 are located on the same straight line, the front side locking pin 8 is located on the right side of the center of the first lock group 1, and the rear side locking pin 9 is located right above the center of the first lock group 1.

A fixed block 14 is fixedly arranged at the top of the shell 4.

When the anti-theft lock is specifically implemented, a key is inserted, the front side lock pin tumbler is opened, the first lock group and the second lock group rotate along with the first lock group when the front side lock pin tumbler is rotated 90 degrees in the anticlockwise direction in a figure 2, then the key and the first lock group are pushed into the first rotating cavity, the rear side lock pin tumbler is opened, the front side lock pin tumbler is rotated 90 degrees in the clockwise direction, the first-stage lock tumbler is opened, the key and the first lock group are rotated 90 degrees, the second-stage lock tumbler is opened, the rear side lock tumbler is rotated 90 degrees again for three-stage opening, the use process is the same as.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a dual protection mechanical structure lock, includes first lock group, its characterized in that: a second lock group, a third lock group and a shell are sequentially arranged outside the first lock group, and the first lock group and the second lock group can rotate;

2. A dual security mechanical lock in accordance with claim 1 wherein: the rebound device is a spring, and the diameter of the rebound device is smaller than that of the first lock cavity.

3. A dual security mechanical lock in accordance with claim 1 wherein: the front side lock pin limiting part and the front side lock pin are located on the same straight line, the rear side lock pin limiting part and the rear side lock pin are located on the same straight line, the front side lock pin is located on the right side of the center of the first lock group, and the rear side lock pin is located right above the center of the first lock group.

4. A dual security mechanical lock in accordance with claim 1 wherein: and a fixed block is fixedly arranged at the top of the shell.