CN214035396U

CN214035396U - Explosion-proof door lock

Info

Publication number: CN214035396U
Application number: CN202022642744.7U
Authority: CN
Inventors: 陈瑞凤; 朱喆豪; 朱家隽
Original assignee: Wenzhou Jifu Hardware Co Ltd
Current assignee: Wenzhou Jifu Hardware Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-24
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to the field of explosion-proof door locks, in particular to an explosion-proof door lock, wherein the left side of an explosion-proof door body is provided with a door hinge, the right side of the explosion-proof door body is provided with the explosion-proof door lock, the utility model combines the action of a first slide bar and a second slide bar by arranging a reset spring and a reset rod to ensure that the explosion-proof door body can automatically perform reset motion under the open state without external force, and can isolate harmful gas or flame and the like, on the other hand, the explosion-proof door lock is arranged, the explosion-proof door lock is prevented from being opened by a strong twisting tool by utilizing an explosion-proof lock core, the safety of the explosion-proof door body is improved, the mutual opening rate of areas is close to zero, if the internal part of the explosion-proof lock core is damaged, the self-explosion-proof lock is dead and cannot be opened, the safety performance of the explosion-proof door body is further enhanced, meanwhile, the explosion-proof door body is formed by arranging an explosion-proof film on a door plate, and the ultra-proof impact resistance of the explosion-proof film is utilized, the explosion-proof performance of the explosion-proof door body is enhanced, and the requirement of the current explosion-proof safety performance of the explosion-proof door is met.

Description

Explosion-proof door lock

Technical Field

The utility model relates to an explosion-proof lock technical field specifically is an explosion-proof lock.

Background

The explosion vent is used for resisting accidental explosion of an industrial building takeout device, the life safety of personnel and the internal equipment of an industrial building are ensured to be intact, the explosion vent is not damaged by explosion shock waves, the continuation of explosion damage is effectively prevented, and with the existence of unstable factors of modern society, many urban resident users also pursue doors and windows with high safety performance, and the household explosion vent also enters the middle and large visual field.

There is a need for an explosion proof door lock that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

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

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

an explosion-proof door lock comprises an explosion-proof door body, wherein a door hinge is arranged on the left side of the explosion-proof door body, an explosion-proof door lock is arranged on the right side of the explosion-proof door body, the explosion-proof door body comprises an explosion-proof membrane, a door plate, a sliding cavity, a moving groove, a reset rod, a first sliding rod, a second sliding rod, a moving sliding block, a sliding groove, a reset cavity, a reset spring, a connecting rod and a positioning pin, the door plate is embedded in the explosion-proof membrane, the sliding cavity is arranged in the door plate, the moving groove is formed in one side of the sliding cavity and penetrates through the side wall of the explosion-proof membrane, the reset rod is arranged in the sliding cavity, one end of the reset rod is connected with the first sliding rod, one end of the first sliding rod, which is different from the connecting reset rod, is connected with the second sliding rod, one end of the second sliding rod, which is different from the connecting with the first sliding rod, is connected with the moving sliding block, the bottom of the reset rod is connected with the reset cavity, the reset spring is arranged in the reset cavity, the bottom in chamber that resets is connected with the connecting rod, the one end of connecting rod is connected with the locating pin, explosion-proof door lock includes casing, slider, explosion-proof lock core, key hole, knob, screw, installation screw, the positive right downside of casing is provided with the slider, the positive center department of casing is provided with explosion-proof lock core, the center department of explosion-proof lock core is provided with the key hole, the upper right side of explosion-proof lock core is provided with the knob, the positive four corners department of casing evenly is provided with the screw, the left side wall of casing is provided with the installation screw.

Preferably, two door hinges are uniformly arranged on the left side of the anti-explosion door body.

Preferably, the first sliding rod and the second sliding rod have the same structure.

Preferably, the sliding groove is fixed on a wall.

Preferably, the explosion-proof door lock is connected to the explosion-proof door body through the shell.

Preferably, the connection mode of the reset rod and the first sliding rod is in rotating connection, the connection mode of the first sliding rod and the second sliding rod is in rotating connection, and the connection mode of the second sliding rod and the movable sliding block is in rotating connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the reset spring and the release link cooperation that set up, combine the effect of slide bar one and slide bar two for the explosion-proof door body can be under open no external force state, carries out the motion that resets automatically, has solved under the emergency situation the harm that the explosion-proof door can not closed the door normally closed automatically and bring, can completely cut off harmful gas or flame etc..

2. The utility model discloses in, through the explosion-proof lock that sets up, utilize explosion-proof lock core to prevent that explosion-proof lock from being turned round the instrument by force and opening, making its security obtain improving to make regional mutual opening rate be close to zero, if the inside destruction of explosion-proof lock core, die the auto-explosion lock, lead to unable opening, further the security performance of the explosion-proof door body of having strengthened.

3. The utility model discloses in, through the explosion-proof door body that sets up, utilize the superstrong shock-resistant ability of rupture membrane for the explosion-proof performance of the explosion-proof door body obtains strengthening, has satisfied the requirement to the explosion-proof security performance of explosion-proof door at present.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the structure of the explosion-proof door body of the present invention;

FIG. 3 is a schematic view of the reposition structure of the present invention;

fig. 4 is the three-dimensional structure schematic diagram of the explosion door lock of the utility model.

In the figure: 1. an explosion-proof door body; 2. a door hinge; 3. an explosion-proof door lock; 4. an explosion-proof membrane; 5. a door panel; 6. a slide chamber; 7. a moving groove; 8. a reset lever; 9. a first sliding rod; 10. a second sliding rod; 11. Moving the slide block; 12. a chute; 13. a reset chamber; 14. a return spring; 15. a connecting rod; 16. Positioning pins; 17. a housing; 18. a slider; 19. an explosion-proof lock core; 20. a key hole; 21. a knob; 22. a screw hole; 23. and installing screw holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

an explosion-proof door lock comprises an explosion-proof door body 1, wherein a door hinge 2 is arranged on the left side of the explosion-proof door body 1, an explosion-proof door lock 3 is arranged on the right side of the explosion-proof door body 1, the explosion-proof door body 1 comprises an explosion-proof membrane 4, a door panel 5, a sliding cavity 6, a moving groove 7, a reset rod 8, a first sliding rod 9, a second sliding rod 10, a moving slide block 11, a sliding groove 12, a reset cavity 13, a reset spring 14, a connecting rod 15 and a positioning pin 16, the door panel 5 is embedded in the explosion-proof membrane 4, the sliding cavity 6 is arranged in the door panel 5, the moving groove 7 is formed in one side of the sliding cavity 6 and penetrates through the side wall of the explosion-proof membrane 4, the reset rod 8 is arranged in the sliding cavity 6, one end of the reset rod 8 is connected with the first sliding rod 9, one end of the first sliding rod 9, which is different from the connection with the reset rod 8, is connected with the second sliding rod 10, one end of the second sliding rod 10, which is different from the connection with the first sliding rod 9, is connected with the moving slide block 11, the moving slide block 11 is connected in the sliding groove 12, the bottom of the reset rod 8 is connected with a reset cavity 13, a reset spring 14 is arranged in the reset cavity 13, the bottom of the reset cavity 13 is connected with a connecting rod 15, one end of the connecting rod 15 is connected with a positioning pin 16, the explosion-proof door lock 3 comprises a shell 17, a sliding block 18, an explosion-proof lock cylinder 19, a key hole 20, a knob 21, a screw hole 22 and an installation screw hole 23, the right lower side of the front face of the shell 17 is provided with the sliding block 18, the center of the front face of the shell 17 is provided with the explosion-proof lock cylinder 19, the center of the explosion-proof lock cylinder 19 is provided with the key hole 20, the upper right side of the explosion-proof lock cylinder 19 is provided with the knob 21, the four corners of the front face of the shell 17 are uniformly provided with the screw holes 22, and the left side wall of the shell 17 is provided with the installation screw hole 23.

Furthermore, the connection mode of the reset rod 8 and the first slide rod 9 is a rotary connection, the connection mode of the first slide rod 9 and the second slide rod 10 is a rotary connection, and the connection mode of the second slide rod 10 and the movable slide block 11 is a rotary connection.

The utility model discloses work flow: when the explosion-proof door is used, when the explosion-proof door body 1 is opened, the key is inserted into the key hole 20, the key is rotated, the explosion-proof door lock 3 is opened, the movable sliding block 11 moves downwards in the sliding groove 12 while the door is opened, the second sliding rod 10 is connected with the movable sliding block 11 in a rotating mode, the movable sliding block 11 drives the second sliding rod 10 to move in the sliding groove 12 under the action of the rotating connection, the second sliding rod 10 is connected with the first sliding rod 9 in a rotating mode, the second sliding rod 10 drives the first sliding rod 9 to move under the action of the rotating connection, the first sliding rod 9 is connected with the reset rod 8 in a rotating mode, the reset rod 8 moves downwards along the sliding cavity 6 under the action of the rotating connection, the reset spring 14 starts to perform compression movement in the reset cavity 13, when the explosion-proof door body 1 is closed, the reset spring 14 starts to reset, and generates elastic force to push the reset rod 8 to move upwards, returning to the initial position, the reset rod 8 moves upwards and simultaneously drives the first sliding rod 9 and the second sliding rod 10 to move under the action of rotary connection, the first sliding rod 9 and the second sliding rod 10 return to the initial position, and the explosion-proof door body 1 returns to a closed state. In the process, the reset spring 14 and the reset rod 8 are arranged to be matched, and the action of the first slide rod 9 and the second slide rod 10 is combined, so that the explosion-proof door body 1 can automatically reset under an open state without external force, harmful gas or flame and the like can be isolated, the harm caused by the fact that the explosion-proof door cannot be automatically closed and normally closed under emergency conditions is solved, on the other hand, the explosion-proof door lock 3 is arranged, the explosion-proof door lock 3 is prevented from being opened by a strong-torque tool through the explosion-proof lock cylinder 19, the safety of the explosion-proof door body 1 is improved, the mutual opening rate of areas is close to zero, if the interior of the explosion-proof lock cylinder 19 is damaged, the explosion-proof door is locked, the opening cannot be realized, the safety performance of the explosion-proof door body 1 is further enhanced, meanwhile, the explosion-proof film 4 is arranged on the door panel 5 to form the explosion-proof door body 1, and the explosion-proof, the requirement of the explosion-proof safety performance of the explosion-proof door at present is met.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof lock, includes explosion-proof door body (1), its characterized in that: the anti-explosion door comprises an anti-explosion door body (1), and is characterized in that a door hinge (2) is arranged on the left side of the anti-explosion door body (1), an anti-explosion door lock (3) is arranged on the right side of the anti-explosion door body (1), the anti-explosion door body (1) comprises an anti-explosion membrane (4), a door plate (5), a sliding cavity (6), a sliding rod II (10), a sliding block (11), a sliding groove (12), a resetting cavity (13), a resetting spring (14), a connecting rod (15) and a positioning pin (16), the door plate (5) is embedded in the anti-explosion membrane (4), the sliding cavity (6) is arranged in the door plate (5), the sliding cavity (6) penetrates through the side wall of the anti-explosion membrane (4) and is provided with the sliding groove (7), the resetting rod (8) is arranged in the sliding cavity (6), one end of the resetting rod I (8) is connected with the sliding rod I (9), one end, different from the connecting resetting rod I (9), is connected with the sliding rod II (10), the anti-explosion door lock is characterized in that one end of the second sliding rod (10), which is different from the first connecting sliding rod (9), is connected with a movable sliding block (11), the movable sliding block (11) is connected in a sliding groove (12), the bottom of the reset rod (8) is connected with a reset cavity (13), a reset spring (14) is arranged in the reset cavity (13), the bottom of the reset cavity (13) is connected with a connecting rod (15), one end of the connecting rod (15) is connected with a positioning pin (16), the anti-explosion door lock (3) comprises a shell (17), a sliding block (18), an anti-explosion lock cylinder (19), a key hole (20), a knob (21), a screw hole (22) and an installation screw hole (23), the sliding block (18) is arranged on the right lower side of the front of the shell (17), the anti-explosion lock cylinder (19) is arranged at the center of the front of the shell (17), and the key hole (20) is arranged at the center of the anti-explosion lock cylinder (19), the explosion-proof lock core is characterized in that a knob (21) is arranged on the upper right side of the explosion-proof lock core (19), screw holes (22) are uniformly formed in four corners of the front face of the shell (17), and an installation screw hole (23) is formed in the left side wall of the shell (17).

2. An explosion proof door lock as claimed in claim 1, wherein: two door hinges (2) are uniformly arranged on the left side of the explosion-proof door body (1).

3. An explosion proof door lock as claimed in claim 1, wherein: the first sliding rod (9) and the second sliding rod (10) are identical in structure.

4. An explosion proof door lock as claimed in claim 1, wherein: the sliding groove (12) is fixed on the wall.

5. An explosion proof door lock as claimed in claim 1, wherein: the explosion-proof door lock (3) is connected to the explosion-proof door body (1) through a shell (17).

6. An explosion proof door lock as claimed in claim 1, wherein: the connecting mode of release link (8) and slide bar (9) is for rotating the connection, the connecting mode of slide bar (9) and slide bar (10) is for rotating the connection, slide bar (10) and the connecting mode of removing slider (11) are for rotating the connection.