CN215408264U

CN215408264U - Explosion-proof people's air defense door

Info

Publication number: CN215408264U
Application number: CN202120848479.XU
Authority: CN
Inventors: 甘立风
Original assignee: Sichuan Hongwei Special Door Industry Co Ltd
Current assignee: Sichuan Hongwei Special Door Industry Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-01-04
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses an explosion-proof people's air defense door which comprises a door plate, wherein a cavity is arranged inside the door plate, a connecting plate is connected inside the cavity in a sliding manner, a top plate is fixedly connected to one side of the connecting plate, a plurality of groups of connecting blocks are fixedly connected to the other end of the connecting plate, a sliding rod is fixedly connected to one end of each group of connecting blocks, a sliding plate is fixedly connected to one end of each sliding rod, a sleeve is connected to the outer surface of each sliding rod in a sliding manner, a first spring and a second spring are arranged in each sleeve, one end of each sleeve is fixedly connected with the door plate, and a rubber ring is fixedly connected to the outer surface of each sliding rod. According to the utility model, the impact force borne by the top plate and the connecting plate can be absorbed under the restraint of the connecting block, the sliding rod, the sliding plate and the sleeve through the arranged first spring and the second spring, so that the impact resistance of the civil air defense door can be improved.

Description

Explosion-proof people's air defense door

Technical Field

The utility model relates to the field of civil air defense doors, in particular to an explosion-proof civil air defense door.

Background

The civil air defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable door threshold single-leaf and double-leaf protective airtight doors and the like.

When current explosion-proof people's air defense door was used, shock resistance is more weak, and when the people's air defense door encountered external impact force, the door plant can produce certain damage, and secondly, current explosion-proof people's air defense door is when using, and pressure release capacity is more weak, and then leads to the explosion-proof ability of people's air defense door relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an explosion-proof people's air defense door.

In order to achieve the purpose, the utility model adopts the following technical scheme: an explosion-proof people's air defense door comprises a door plate, wherein a cavity is formed in the door plate, a connecting plate is connected in the cavity in a sliding manner, a top plate is fixedly connected to one side of the connecting plate, a plurality of groups of connecting blocks are fixedly connected to the other end of the connecting plate, a sliding rod is fixedly connected to one end of each of the groups of connecting blocks, a sliding plate is fixedly connected to one end of each sliding rod, a sleeve is connected to the outer surface of each sliding rod in a sliding manner, a first spring and a second spring are arranged in each sleeve, one end of each sleeve is fixedly connected with the door plate, and a rubber ring is fixedly connected to the outer surface of each sliding rod;

the inside of door plant is provided with four groups of logical grooves, four groups of recesses have been seted up to the one end of door plant, the recess communicates with leading to the groove, two sets of telescopic links of inner wall one side fixedly connected with of recess, every group the telescopic link is provided with a plurality of, four groups of third springs of inner wall one side fixedly connected with of recess, every group the third spring is provided with a plurality of, and is two sets of the one end fixedly connected with movable plate of telescopic link, a plurality of groups air vent has been seted up on the movable plate.

As a further description of the above technical solution:

two sets of second chutes are formed in the door plate, second sliding blocks are fixedly connected to the upper end and the lower end of the door plate, and the second chutes are connected with the second sliding blocks in a sliding mode.

As a further description of the above technical solution:

four groups of first chutes are formed in one end of the door plate, four first chutes are formed in each group, first sliding blocks are fixedly connected to the periphery of the movable plate, and the first chutes are connected with the first sliding blocks in a sliding mode.

As a further description of the above technical solution:

and a hand wheel is arranged at one end of the door plate close to the moving plate.

As a further description of the above technical solution:

one end of the door plate close to the moving plate is fixedly connected with two groups of connecting seats, and the connecting seats are positioned on one sides of the four groups of grooves.

As a further description of the above technical solution:

one end of the connecting seat is rotatably connected with a fixed seat, and one end of the fixed seat is fixedly connected with a door frame.

As a further description of the above technical solution:

the sleeve is positioned among the four groups of through grooves, and the sliding plate is connected with the sleeve in a sliding mode.

As a further description of the above technical solution:

the slide bar is positioned in the first spring, and the second spring is positioned on one side of the slide plate.

The utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the first spring and the second spring, under the restraint of the connecting block, the sliding rod, the sliding plate and the sleeve, the impact force borne by the top plate and the connecting plate can be absorbed, and the impact resistance of the civil air defense door can be improved.

2. According to the utility model, through the arrangement of the third spring, the telescopic rod, the moving plate, the through groove, the groove and the vent hole, the phenomenon that the internal pressure of the civil air defense door is too high can be avoided, and the emergency pressure relief effect is realized.

3. According to the utility model, the rubber ring is arranged, so that the protection can be provided for the connecting block, the connecting block can be prevented from colliding with the sleeve when in use, further the damage to the connecting block can be avoided, the service life of the shock absorption related accessories can be prolonged, and further the service life of the civil air defense door can be prolonged.

4. The telescopic rod can limit the moving plate and prevent the moving plate from deviating during moving.

Drawings

Fig. 1 is a schematic perspective view of an explosion-proof people's air defense door according to the present invention;

fig. 2 is a front view of an explosion-proof people's air defense door according to the utility model;

fig. 3 is a side sectional view of an explosion-proof people's air defense door according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is an enlarged view at B in fig. 3.

Illustration of the drawings:

1. a door frame; 2. a fixed seat; 3. a connecting seat; 4. a vent hole; 5. a first slider; 6. moving the plate; 7. a door panel; 8. a hand wheel; 9. a second chute; 10. a second slider; 11. a top plate; 12. a connecting plate; 13. connecting blocks; 14. a through groove; 15. a sleeve; 16. a cavity; 17. a rubber ring; 18. a slide bar; 19. a first spring; 20. a second spring; 21. a slide plate; 22. a groove; 23. a first chute; 24. a third spring; 25. a telescopic rod.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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.

Referring to fig. 1-5, one embodiment of the present invention is provided: the utility model provides an explosion-proof people's air defense door, includes door plant 7, and door plant 7 is close to two sets of connecting seats 3 of one end fixedly connected with of movable plate 6, and connecting seat 3 is located one side of four group's recesses 22, and the one end of connecting seat 3 is rotated and is connected with fixing base 2, and the one end fixedly connected with door frame 1 of fixing base 2, connecting seat 3 and fixing base 2 can be connected door plant 7 and door frame 1, and the one end that door plant 7 is close to movable plate 6 is provided with hand wheel 8.

A cavity 16 is arranged inside the door plate 7, a connecting plate 12 is connected inside the cavity 16 in a sliding manner, a top plate 11 is fixedly connected to one side of the connecting plate 12, two groups of second sliding grooves 9 are formed in the door plate 7, second sliding blocks 10 are fixedly connected to the upper end and the lower end of the top plate 11, the second sliding grooves 9 are connected with the second sliding blocks 10 in a sliding manner, the movement of the top plate 11 can be limited and limited, a limiting effect is achieved, a plurality of groups of connecting blocks 13 are fixedly connected to the other end of the connecting plate 12, a sliding rod 18 is fixedly connected to one end of each group of connecting blocks 13, a sliding plate 21 is fixedly connected to one end of each sliding rod 18, each sliding plate 21 is connected with each sleeve 15 in a sliding manner, a sleeve 15 is connected to the outer surface of each sliding rod 18 in a sliding manner, a first spring 19 and a second spring 20 are arranged inside each sleeve 15, each second spring 20 is arranged on one side of each sliding plate 21, and one end of each sleeve 15 is fixedly connected with the door plate 7, when the people's air defense door receives the impact, roof 11 and connecting plate 12 move to the direction that is close to sleeve 15, and then make the second spring 20 shrink, at connecting block 13, slide bar 18, under the restraint of slide 21 and sleeve 15, cooperation first spring 19 and rubber ring 17, can absorb the impact force that roof 11 and connecting plate 12 received, can improve the shock resistance of people's air defense door, the outer fixed surface of slide bar 18 is connected with rubber ring 17, can provide the protection to connecting block 13, can avoid connecting block 13 to produce the collision with sleeve 15 when using, and then lead to the damage of connecting block 13, can extend the life of the relevant accessory of shock attenuation, and then prolong the life of people's air defense door.

Four groups of through grooves 14 are formed in the door plate 7, the sleeve 15 is located between the four groups of through grooves 14, one end of the door plate 7 is provided with four groups of grooves 22, the grooves 22 are communicated with the through grooves 14, one side of the inner wall of each groove 22 is fixedly connected with two groups of telescopic rods 25 which can limit the moving plate 6 and can prevent the moving plate 6 from deviating during moving, a plurality of telescopic rods 25 are arranged in each group, four groups of third springs 24 are fixedly connected to one side of the inner wall of each groove 22, a plurality of third springs 24 are arranged in each group, one end of each group of telescopic rods 25 is fixedly connected with the moving plate 6, one end of the door plate 7 is provided with four groups of first sliding chutes 23, four groups of first sliding chutes 23 are arranged in each group, first sliding blocks 5 are fixedly connected around the moving plate 6, the first sliding chutes 23 are slidably connected with the first sliding blocks 5 and can limit the moving plate 6, when the connecting plate 12 moves, will compress the air in the cavity 16, when reaching certain pressure, third spring 24 extends, movable plate 6 breaks away from door plant 7 with first slider 5, air in the cavity 16 comes to recess 22 from leading to groove 14, arrange to the external world at last, after the completion pressure release, under third spring 24's elasticity, combine telescopic link 25's limiting displacement, can make movable plate 6 resume the normal position, can avoid people's air defense door internal pressure too big, play the effect of emergent pressure release, a plurality of groups of air vents 4 have been seted up on the movable plate 6, air vent 4, can play the effect of ventilating.

The working principle is as follows: when the civil air defense door is impacted, the top plate 11 and the connecting plate 12 move towards the direction close to the sleeve 15, the second spring 20 is further contracted, under the restraint of the connecting block 13, the sliding rod 18, the sliding plate 21 and the sleeve 15, the first spring 19 and the rubber ring 17 are matched, the impact force borne by the top plate 11 and the connecting plate 12 can be absorbed, when the connecting plate 12 moves, air in the cavity 16 can be compressed, when certain pressure is reached, the third spring 24 extends, the moving plate 6 and the first sliding block 5 are separated from the door plate 7, the air in the cavity 16 is discharged into the groove 22 from the through groove 14 and finally discharged to the outside, after pressure relief is completed, under the elastic force of the third spring 24, the limiting effect of the telescopic rod 25 is combined, the moving plate 6 can be restored to the original position, the phenomenon that the internal pressure of the civil air defense door is too large can be avoided, and the emergency pressure relief effect is achieved.

Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an explosion-proof people's air defense door, includes door plant (7), its characterized in that: a cavity (16) is formed in the door plate (7), a connecting plate (12) is connected to the cavity (16) in a sliding mode, a top plate (11) is fixedly connected to one side of the connecting plate (12), a plurality of groups of connecting blocks (13) are fixedly connected to the other end of the connecting plate (12), a sliding rod (18) is fixedly connected to one end of each group of connecting blocks (13), a sliding plate (21) is fixedly connected to one end of the sliding rod (18), a sleeve (15) is connected to the outer surface of the sliding rod (18) in a sliding mode, a first spring (19) and a second spring (20) are arranged in the sleeve (15), one end of the sleeve (15) is fixedly connected with the door plate (7), and a rubber ring (17) is fixedly connected to the outer surface of the sliding rod (18);

the inside of door plant (7) is provided with four groups and leads to groove (14), four groups of recess (22) have been seted up to the one end of door plant (7), recess (22) and lead to groove (14) intercommunication, two sets of telescopic link (25) of inner wall one side fixedly connected with of recess (22), every group telescopic link (25) are provided with a plurality of, the inner wall one side fixedly connected with four groups of third spring (24) of recess (22), every group third spring (24) are provided with a plurality of, and are two sets of the one end fixedly connected with movable plate (6) of telescopic link (25), a plurality of air vent (4) have been seted up on movable plate (6).

2. An explosion proof people's air defense door according to claim 1, characterized in that: two sets of second chutes (9) are formed in the door plate (7), the upper end and the lower end of the top plate (11) are fixedly connected with second sliding blocks (10), and the second chutes (9) are connected with the second sliding blocks (10) in a sliding mode.

3. An explosion proof people's air defense door according to claim 1, characterized in that: four groups of first sliding grooves (23) are formed in one end of the door plate (7), four first sliding grooves (23) are formed in each group, first sliding blocks (5) are fixedly connected to the periphery of the moving plate (6), and the first sliding grooves (23) are connected with the first sliding blocks (5) in a sliding mode.

4. An explosion proof people's air defense door according to claim 1, characterized in that: and a hand wheel (8) is arranged at one end of the door plate (7) close to the moving plate (6).

5. An explosion proof people's air defense door according to claim 1, characterized in that: one end of the door plate (7) close to the moving plate (6) is fixedly connected with two groups of connecting seats (3), and the connecting seats (3) are positioned on one side of the four groups of grooves (22).

6. An explosion proof people's air defense door according to claim 5, characterized in that: one end of the connecting seat (3) is rotatably connected with a fixed seat (2), and one end of the fixed seat (2) is fixedly connected with a door frame (1).

7. An explosion proof people's air defense door according to claim 1, characterized in that: the sleeve (15) is positioned among the four groups of through grooves (14), and the sliding plate (21) is connected with the sleeve (15) in a sliding mode.

8. An explosion proof people's air defense door according to claim 1, characterized in that: the slide rod (18) is located inside a first spring (19), and the second spring (20) is located on one side of a slide plate (21).