CN216741243U

CN216741243U - Protective door with high safety performance

Info

Publication number: CN216741243U
Application number: CN202123288933.XU
Authority: CN
Inventors: 李建儿; 王志伟; 蒋建新
Original assignee: Hangzhou Hongshun Civil Defense Equipment Co ltd
Current assignee: Hangzhou Hongshun Civil Defense Equipment Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-06-14
Anticipated expiration: 2031-12-25

Abstract

The utility model relates to the field of protective doors, in particular to a protective door with high safety performance, which comprises a door frame, a door body arranged on the door frame, a handle arranged on one side of the door body, and a sliding structure and a self-locking structure which are arranged on the door frame and the door body; the self-locking structure comprises a limiting block arranged on the same side of the door body as the handle, a limiting groove arranged on the limiting block, a mounting column arranged in the limiting groove, a self-locking ring arranged on the mounting column, a self-locking block arranged on the door frame and a self-locking groove arranged on the self-locking block. According to the utility model, through the arrangement of the self-locking structure, the door body does not need to be specially locked, and the door body can be automatically locked when the door is closed, so that the situation that the protective door cannot be locked in time and is opened by dangerous molecules outside the protective door is avoided, people behind the protective door are protected, and the safety of the protective door is improved.

Description

Protective door with high safety performance

Technical Field

The utility model relates to the field of protective doors, in particular to a protective door with high safety performance.

Background

The protective door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil protection door is more distinct, and the protective door comprises a common single-protective airtight door, a common double-protective airtight door, a movable threshold single-protective airtight door, a movable threshold double-protective airtight door, an airtight door and other various civil protection equipment.

At present, these guard gates on the market all adopt book formula mode of opening the door of turning over basically, it is just more troublesome sometimes to open the door under the circumstances that the space is unallowed to pass in and out, and the guard gate closes certainly to be the crisis condition, it can not hold the dynamics to close the door under the crisis condition, the dynamics of closing the guard gate this moment will be very big, lead to the door body and the door frame striking after, the door body rebound can't in time close the pinning, just there is great gap between the door body after probably injuring and closing the man behind the guard gate in this period of time and the door frame, harmful gas can cause life danger through the people behind the gap to the guard gate. The utility model therefore proposes a protective door with high safety performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the book-turning type door opening mode is troublesome to get in and out under the condition that the space is not allowed, the door body rebounds due to overlarge impact force when the door body is closed, the door body cannot be locked in time, and a large gap exists between the door body and a door frame after the door body is closed.

In order to achieve the aim, the utility model provides a protective door with high safety performance, which comprises a door frame, a door body arranged on the door frame, a handle arranged on one side of the door body, a sliding structure and a self-locking structure, wherein the sliding structure and the self-locking structure are arranged on the door frame and the door body; the self-locking structure comprises a limiting block arranged on the same side of the door body as the handle, a limiting groove arranged on the limiting block, a mounting column arranged in the limiting groove, a self-locking ring arranged on the mounting column, a self-locking block arranged on the door frame and a self-locking groove arranged on the self-locking block.

Further preferably, the sliding structure comprises a supporting block arranged on the door frame, a sliding chute arranged on the supporting block, and pulleys mounted on the top and the bottom of the door body through bolts and connected with the sliding chute.

Further preferably, a reinforcing rib is arranged in the door body and is of an X-shaped structure.

Preferably, the door frame and the door body are both provided with a stop block, and a sealing strip is arranged on the stop block arranged on the door body; the door frame is also provided with a buffer slot; and a buffer strip is arranged in the buffer groove.

The utility model has the beneficial effects that: through the arrangement of the buffer strip, when the door is closed, the buffer strip buffers the impact force of the door body on the door frame, and reduces the force when the door body impacts the door frame, so that the reaction force of the door frame on the door body is reduced, the rebound degree of the door body when the door is closed is reduced, the closing time of the protective door is shortened, people behind the protective door are protected, and the safety of the protective door is improved;

through the arrangement of the pulleys, the door body can easily move back and forth in the sliding groove, and the force required when the door is closed is reduced, so that the door closing time is shortened, the protected people are protected in time, and the safety of the protective door is improved;

through the arrangement of the self-locking structure, the door body does not need to be specially locked, when the door is closed, the door body drives the limiting block to move, the limiting block drives the mounting column to move, the mounting column drives the self-locking ring to move, the self-locking ring collides with the self-locking block when contacting with the self-locking block, the self-locking ring rotates around the mounting column, meanwhile, the distance between the self-locking block and the limiting block is continuously shortened, when the self-locking ring is limited by the limiting block and the mounting column, the self-locking ring just falls into a self-locking groove of the self-locking block to complete self-locking, the situation that the protective door cannot be locked in time and is opened by dangerous molecules outside the protective door is avoided, so that people behind the protective door are protected, and the safety of the protective door is improved;

through the setting of sealing washer, the back is closed to the guard gate, and the door body extrudees the sealing washer, fills the gap between the door body and the door frame to improve the leakproofness between the door body and the door frame, avoided harmful gas's entering, thereby protect the people behind the guard gate, improve the security of guard gate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2A of the present invention;

FIG. 4 is a schematic view of the structure of the door frame of the present invention;

FIG. 5 is an enlarged view of a portion of the present invention at B of FIG. 4;

FIG. 6 is a schematic structural view of the door body of the present invention;

FIG. 7 is a schematic view of another perspective of the door body of the present invention;

FIG. 8 is an enlarged view of a portion of the present invention at C of FIG. 7;

fig. 9 is a sectional view of the door body of the present invention.

The following are marked in the figure: the door comprises a door frame 1, a stop block 11, a sealing strip 12, a buffer groove 13, a buffer strip 14, a door body 2, a protection block 21, a handle 3, a sliding structure 4, a supporting block 41, a sliding groove 42, a pulley 43, a self-locking structure 5, a limiting block 51, a limiting groove 52, an installation column 5211, a self-locking ring 53, a self-locking block 54, a self-locking groove 55 and a reinforcing rib 6.

Detailed Description

The following provides a further description of a high-safety protective door according to the present invention by means of embodiments and with reference to the accompanying drawings.

Referring to the attached drawings 1-9, the protective door with high safety performance comprises a door frame 1, a door body 2 arranged on the door frame 1, a handle 3 arranged on one side of the door body 2 through welding, and is characterized by further comprising a sliding structure 4 and a self-locking structure 5 which are arranged on the door frame 1 and the door body 2; the self-locking structure 5 comprises a limiting block 51 which is arranged on the door body 2 at the same side as the handle 3 through welding, a limiting groove 52 arranged on the limiting block 51, an installation column 521 which is arranged in the limiting groove 52 through welding, a self-locking ring 53 which is sleeved on the installation column 521, wherein the diameter of the self-locking ring 53 is larger than the distance from the installation column 521 to the side surface of the limiting block 51, and a self-locking block 54 which is arranged on the door frame 1 through welding and a self-locking groove 55 which is arranged on the self-locking block 54; according to the utility model, through the arrangement of the self-locking structure 5, only the handle 3 needs to be pushed, so that the handle 3 drives the door body 2 to move, the self-locking ring 53 is in contact with the self-locking block 54 and collides, the self-locking ring 53 rotates around the mounting column 521, meanwhile, the door body 2 continues to move, so that the self-locking groove 55 on the self-locking block 54 is positioned under the self-locking ring 53 on the limiting block 51, at the moment, the self-locking ring 53 stops rotating around the mounting column 521, the self-locking ring 53 starts to fall off due to gravity, the self-locking groove 55 is positioned under the self-locking ring 53 on the limiting block 51, the self-locking ring 53 falls into the self-locking groove 55, when dangerous molecules outside the protective door push the door body 2, the self-locking ring 53 rotates around the mounting column 521, but the diameter of the self-locking ring 53 is larger than the distance from the mounting column 521 to the side surface of the limiting block 51, the self-locking groove is limited, the door body 2 cannot be opened for self-locking, and the door body is prevented from being closed, dangerous molecules outside the protected door are not locked in time to reopen the protective door, so that the safety of the protective door is improved; the door body 2 is opened only by protecting people in the door, and after the self-locking ring 53 is lifted upwards, the handle 3 is pushed, so that the handle 3 drives the door body 2 to move;

referring to fig. 1-9, the sliding structure 4 of the present invention includes a supporting block 41 disposed on the door frame 1 and integrally formed with the door frame 1, a sliding slot 42 disposed on the supporting block 41, and a pulley 43 mounted on the top and bottom of the door body 2 by bolts and connected to the sliding slot 42; a reinforcing rib 6 is arranged in the door body 2, and the reinforcing rib 6 is of an X-shaped structure; according to the utility model, through the arrangement of the pulley 43, when people push the door body 2, the pulley 43 at the bottom and the top of the door body 2 rotates, so that the friction force between the door body 2 and the sliding groove 52 is reduced, and people can open and close the protective door more easily and more labor-saving; through the setting of strengthening rib 6, when saving 2 materials of the door body, improved the intensity of the door body 2, make the door body 2 can stand bigger impact force to improve the security of guard gate, protect the people behind the guard gate.

Referring to fig. 1-9, the door frame 1 and the door body 2 are both provided with a stop dog 11, and a sealing strip 12 is arranged on the stop dog 11 arranged on the door body 2; the door frame 1 is also provided with a buffer tank 13; a buffer strip 14 is arranged in the buffer groove 13; according to the utility model, through the arrangement of the sealing strip 12, when the protective door is closed, the sealing strip 12 is extruded by the protective block 21 on the door body 2, and a gap between the protective block 21 and the door frame 1 is filled, so that the sealing property between the door body 2 and the door frame 1 is improved, and harmful gas is prevented from entering, thus people behind the protective door are protected, and the safety of the protective door is improved; through the arrangement of the buffer strip 14, when the protective door is closed, the door body 2 is firstly in contact collision with the buffer strip 14, the buffer strip 14 buffers the impact force of the door body 2 on the door frame 1, and the force of the door body 2 impacting the door frame 1 is reduced, so that the reaction force of the door frame 1 on the door body 2 is reduced, the rebound degree of the door body 2 when the door is closed is reduced, the time for closing the protective door is shortened, the safety of the protective door is improved, the joint of the door frame 1 and the door body 2 is sealed, and people behind the protective door are protected; through the setting of protection piece 21, when the guard gate closed back, protection piece 21 is connected with dog 11, protects sealing strip 12, avoids being destroyed from the outside sealing strip 12 by lawless persons.

Referring to fig. 1 to 9, the installation process of the present invention is that, in a first step, a handle 3 is installed on one side of a door body 2 by bolts; secondly, mounting the pulley 43 on the top and the bottom of the door body 2 through bolts; thirdly, sleeving a self-locking ring 53 on the mounting column 521, fixedly mounting the mounting column 521 on the limiting block 51 through welding, enabling the diameter of the self-locking ring 53 to be larger than the distance from the mounting column 521 to the side face of the limiting block 51, and then mounting the limiting block 51 on the door body 2 through a bolt, enabling the limiting block 51 to be on the same side as the handle 3 and enabling the side face of the limiting block 51 to be closer to the side face of the door body 2; fourthly, respectively installing the sealing ring 12 and the buffer strip 14 into the sealing groove 11 and the buffer groove 13; fifthly, mounting the self-locking block 54 on the door frame 1 through a bolt; sixthly, a pulley 43 on the door body 2 is aligned with the sliding groove 42 and pushed into the end far away from the buffering strip 14, so that the handle 3 is positioned on the inner side of the protective door and on one side close to the buffering strip 14; and sixthly, sealing one end of the door frame 1, which is far away from the buffer strip 14, in the wall through reinforced concrete, wherein the length of the door frame does not exceed the farthest linear distance from the handle 3 to one side of the door body 2, and then completing installation.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. A protective door with high safety performance comprises a door frame (1), a door body (2) arranged on the door frame (1), a handle (3) arranged on one side of the door body (2), and is characterized by further comprising a sliding structure (4) and a self-locking structure (5) which are arranged on the door frame (1) and the door body (2); the self-locking structure (5) comprises a limiting block (51) arranged on the door body (2) and on the same side as the handle (3), a limiting groove (52) formed in the limiting block (51), an installation column (521) arranged in the limiting groove (52), a self-locking ring (53) arranged on the installation column (521), a self-locking block (54) arranged on the door frame (1) and a self-locking groove (55) arranged on the self-locking block (54).

2. A high safety guard door in accordance with claim 1, wherein: the sliding structure (4) comprises a supporting block (41) arranged on the door frame (1), a sliding chute (42) arranged on the supporting block (41), and pulleys (43) which are arranged on the top and the bottom of the door body (2) through bolts and connected with the sliding chute (42).

3. A high safety guard door in accordance with claim 2, wherein: the door body (2) is internally provided with a reinforcing rib (6), and the reinforcing rib (6) is of an X-shaped structure.

4. A high safety guard door in accordance with claim 1, wherein: the door frame (1) is provided with a stop block (11), and a sealing strip (12) is arranged on the stop block (11); the door frame (1) is also provided with a buffer groove (13); a buffer strip (14) is arranged in the buffer groove (13); the door body (2) is provided with a protection block (21).