Anti-impact protective air-tight door

By promoting the coordinated work of components such as the hydraulic tank and the unloading plate, the automatic sealing and impact resistance functions of the airtight door are realized, solving the problems of leakage and easy damage in the gaps of the airtight door, and improving the sealing effect and safety.

CN223908100UActive Publication Date: 2026-02-13JIANGSU OUTE ELECTRONICS TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520496523.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-02-13
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

Existing airtight doors suffer from gap leakage during the sealing process and are easily damaged under impact, affecting the sealing effect and safety.

Method used

The structure employs a hydraulic cylinder, a rack and pinion, and a relief plate to achieve automatic sealing and protection of the airtight door through hydraulic and relief mechanisms. This includes the coordinated work of components such as the hydraulic cylinder driving the hydraulic rod, the limit groove, the rack and pinion, the relief plate's relief shaft, and the damper, to achieve automatic sealing and impact resistance of the airtight door.

Benefits of technology

It improves the sealing effect of the airtight door, enhances its impact protection, and ensures the safety and durability of the airtight door during use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223908100U_ABST
    Figure CN223908100U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of air-tight doors, in particular to an anti-impact protective air-tight door which comprises a connecting door, a fixed door frame and a fixed door head, a pushing plate is fixedly connected below the fixed door frame, a limiting groove is movably connected below the connecting door, a pushing spring is fixedly connected inside the limiting groove, and the fixed door head is fixedly connected with the pushing plate. A driving rack is movably connected to the interior of the fixed door frame, a door head groove is movably connected to the upper portion of the connecting door, a force unloading plate is fixedly connected to the interior of the connecting door, and a force unloading rod is movably connected to the outer portion of the force unloading plate. The lifting plate is pushed up through the elastic force of the pushing spring, the limiting groove is filled and leveled up, in the process that the connecting door is impacted, the door is protected through rotation of the force unloading shaft and resistance force unloading of the damper, and the door is recovered through the elastic force of the force unloading spring.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to airtight door technical field, concretely is a kind of impact-resistant protective airtight door. BACKGROUND

[0002] In some special places, such as mine, civil air defense engineering, laboratory, warehouse, etc., the airtightness of the door has high requirements, for example, in the mine, it is necessary to prevent the leakage of harmful gases such as gas and the massive influx of external air to ensure the safety of underground operation, and the airtight door in the civil air defense engineering is to block the shock wave and isolate the toxic gas in emergency situations such as war to protect personnel and equipment safety.

[0003] However, the existing device has the following problems:

[0004] 1. The existing device mainly seals the airtight door by closing it, which makes the gap above and below the airtight door easy to pass through toxic gas during use, affecting the sealing effect of the airtight door.

[0005] 2. At the same time, some devices do not have a device to unload the airtight door, so that the airtight door receives too much force during impact, causing damage to the airtight door and affecting the safety of the airtight door.

[0006] Therefore, in order to solve the above problems, an impact-resistant protective airtight door is proposed. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims to provide an impact-resistant protective airtight door to solve the problem of the airtight door in the prior art mentioned in the background.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an impact-resistant protective airtight door, comprising a connecting door, a fixed door frame and a fixed door head, the outer side of the connecting door is provided with a fixed door frame, the upper part of the connecting door is provided with a fixed door head, the lower part of the fixed door frame is fixedly connected with a push plate, the lower part of the connecting door is movably connected with a limiting groove, the inside of the limiting groove is fixedly connected with a push spring, the inside of the fixed door frame is movably connected with a driving rack, the upper part of the connecting door is movably connected with a door head groove, the inside of the connecting door is fixedly connected with an unloading plate, the outside of the unloading plate is movably connected with an unloading rod, and the outside of the unloading plate is movably connected with an unloading spring.

[0009] Preferably, the outer side of the connecting door is movably connected with a movable plate, and the outer side of the connecting door is fixedly connected with a connecting handrail.

[0010] Preferably, the outer side of the fixed door frame is movably connected with a movable shaft, the outer side of the movable shaft is movably connected with a rotating plate, and the outer side of the fixed door frame is fixedly connected with a fixed plate.

[0011] Preferably, the fixed door head is fixedly connected with a connecting plate above, and a connecting block is fixedly connected with the outer side of the fixed door head.

[0012] Preferably, the outer side of the push plate is fixedly connected with a push hydraulic barrel, the inside of the push hydraulic barrel is movably connected with a push hydraulic rod, the upper side of the push hydraulic rod is fixedly connected with a limiting groove, the inside of the limiting groove is fixedly connected with a lifting plate, the upper side of the lifting plate is fixedly connected with a push spring, and the upper side of the push spring is fixedly connected with an upper lifting plate.

[0013] Preferably, the outer side of the driven rack is movably connected with a rotating gear, the outer side of the rotating gear is movably connected with a connecting rack, the upper side of the connecting rack is fixedly connected with a door head plate, the lower side of the door head plate is fixedly connected with a door head spring, the lower side of the door head spring is fixedly connected with a door head groove, and the outer side of the door head groove is fixedly connected with a limiting strip.

[0014] Preferably, the outer side of the unloading plate is fixedly connected with an unloading block, the inside of the unloading block is movably connected with an unloading shaft, the outer side of the unloading block is fixedly connected with an unloading ball, the outer side of the unloading ball is fixedly connected with an unloading rod, the outer side of the unloading rod is fixedly connected with a limiting ring, the outer side of the limiting ring is fixedly connected with an unloading spring, the outer side of the limiting ring is fixedly connected with a damper.

[0015] Compared with the prior art, the utility model has the advantages that the push hydraulic barrel is started, the push hydraulic barrel drives the push hydraulic rod to move downwards, the push hydraulic rod drives the limiting groove to move downwards, the limiting groove drives the driven rack to move downwards, the driven rack drives the rotating gear to rotate, the rotating gear drives the connecting rack to move upwards, the connecting rack drives the limiting strip to move upwards, the connecting door is loosened, the connecting door is opened by pulling the connecting handrail, the lifting plate is pushed up by the elastic force of the push spring, the limiting groove is filled, the door is protected by the rotation of the unloading shaft and the resistance unloading of the damper in the process that the connecting door is impacted, and the door is restored by the elastic force of the unloading spring.

[0016] 1. The utility model discloses a push plate's outside fixed connection has the push hydraulic barrel, the inside movable joint of push hydraulic barrel has the push hydraulic rod, the upper fixed connection of push hydraulic rod has the limiting slot, the inside fixed connection of limiting slot has the lifting plate, the upper fixed connection of lifting plate has the push spring, the upper fixed connection of push spring has the upper plate, the outside movable joint of driving rack has the rotary gear, the outside movable joint of rotary gear has the connecting rack, the upper fixed connection of connecting rack has the door head board, the lower fixed connection of door head board has the door head spring, the lower fixed connection of door head spring has the door head groove, the outside fixed connection of door head groove has the limiting strip, can seal the gap of airtight door up and down, improve sealing effect.

[0017] 2. The utility model discloses the outside fixed connection of unloading plate has the unloading block, the inside movable joint of unloading block has the unloading shaft, the outside fixed connection of unloading block has the unloading ball, the outside fixed connection of unloading ball has the unloading rod, the outside fixed connection of unloading rod has the limiting ring, the outside fixed connection of limiting ring has the unloading spring, the outside fixed connection of limiting ring has the damper, can unload the airtight door, improve airtight door protection effect. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the structure of the utility model structure front view schematic diagram;

[0019] Figure 2 It is the structure of the utility model structure push spring connection schematic diagram;

[0020] Figure 3 It is the structure of the utility model structure door head groove connection schematic diagram;

[0021] Figure 4 It is the structure of the utility model structure driving rack connection schematic diagram;

[0022] Figure 5 It is the structure of the utility model structure unloading block connection schematic diagram;

[0023] Figure 6 It is the structure of the utility model structure A structure schematic diagram.

[0024] In the figure: 1, connecting door; 101, movable plate; 102, connecting armrest; 2, fixed door frame; 201, movable shaft; 202, rotating plate; 203, fixed plate; 3, fixed door head; 301, connecting plate; 302, connecting block; 4, push plate; 401, push hydraulic barrel; 402, push hydraulic rod; 403, limiting groove; 404, lifting plate; 405, push spring; 406, lifting plate; 5, driven rack; 501, rotating gear; 502, connecting rack; 503, door head plate; 504, door head spring; 505, door head groove; 506, limiting strip; 6, unloading plate; 601, unloading block; 602, unloading shaft; 603, unloading rod; 604, unloading ball; 605, limiting ring; 606, unloading spring; 607, damper. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-6 An embodiment provided by the utility model:

[0027] The utility model discloses an impact -resistant protective sealed door, including connecting door 1, fixed door frame 2 and fixed door head 3, the outside of connecting door 1 is provided with fixed door frame 2, the top of connecting door 1 is provided with fixed door head 3, the lower portion of fixed door frame 2 is fixedly connected with push plate 4, the lower portion of connecting door 1 is movably connected with limiting groove 403, the inside of limiting groove 403 is fixedly connected with push spring 405, the inside of fixed door frame 2 is movably connected with driven rack 5, the top of connecting door 1 is movably connected with door head groove 505, the inside of connecting door 1 is fixedly connected with unloading plate 6, the outside of unloading plate 6 is movably connected with unloading rod 603, the outside of unloading plate 6 is movably connected with unloading spring 606.

[0028] Further, the outside of push plate 4 is fixedly connected with push hydraulic barrel 401, the inside of push hydraulic barrel 401 is movably connected with push hydraulic rod 402, the upper portion of push hydraulic rod 402 is fixedly connected with limiting groove 403, the inside of limiting groove 403 is fixedly connected with lifting plate 404, the upper portion of lifting plate 404 is fixedly connected with push spring 405, the upper portion of push spring 405 is fixedly connected with lifting plate 406, by starting push hydraulic barrel 401, the lower portion of sealed door can be sealed.

[0029] Further, the outer side of the driving rack 5 is movably connected with a rotating gear 501, the outer side of the rotating gear 501 is movably connected with a connecting rack 502, the upper side of the connecting rack 502 is fixedly connected with a door head plate 503, the lower side of the door head plate 503 is fixedly connected with a door head spring 504, the lower side of the door head spring 504 is fixedly connected with a door head groove 505, the outer side of the door head groove 505 is fixedly connected with a limiting strip 506, the upper side of the sealing door can be sealed by pushing the hydraulic barrel 401 to drive the driving rack 5.

[0030] Further, the outer side of the unloading plate 6 is fixedly connected with an unloading block 601, the inner side of the unloading block 601 is movably connected with an unloading shaft 602, the outer side of the unloading block 601 is fixedly connected with an unloading ball 604, the outer side of the unloading ball 604 is fixedly connected with an unloading rod 603, the outer side of the unloading rod 603 is fixedly connected with a limiting ring 605, the outer side of the limiting ring 605 is fixedly connected with an unloading spring 606, the outer side of the limiting ring 605 is fixedly connected with a damper 607, the sealing door can be protected by the unloading of the damper 607.

[0031] Working principle: in the use process of the device, first, the fixed door frame 2 is fixed in the wall, the connecting door 1 is installed in the inner side of the fixed door frame 2, the hydraulic barrel 401 is started to drive the hydraulic rod 402 to move downward, the hydraulic rod 402 drives the limiting groove 403 to move downward, the limiting groove 403 drives the driving rack 5 to move downward, the driving rack 5 drives the rotating gear 501 to rotate, the rotating gear 501 drives the connecting rack 502 to move upward, the connecting rack 502 drives the limiting strip 506 to move upward, the connecting door 1 is loosened, the connecting door 1 is opened by pulling the connecting handrail 102, the lifting plate 404 is pushed up by the elastic force of the pushing spring 405, the limiting groove 403 is filled, the door is protected by the rotation of the unloading shaft 602 and the resistance unloading of the damper 607 in the process of the connecting door 1 receiving the impact, and the door is restored by the elastic force of the unloading spring 606.

[0032] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the drawings and the above description; however, any equivalent changes, modifications and evolution made by the technical personnel familiar with the professional within the scope of the technical scheme of the present application, using the above disclosed technical content, are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A blast containment door resistant to impact, comprising: The utility model provides a connecting door (1), fixed door frame (2) and fixed door head (3), the outside of connecting door (1) is provided with fixed door frame (2), the top of connecting door (1) is provided with fixed door head (3), its characterized in that: the lower fixed connection of fixed door frame (2) has push -out board (4), the lower movable connection of connecting door (1) has limit slot (403), the inside fixed connection of limit slot (403) has push -out spring (405), the inside movable connection of fixed door frame (2) has driven rack (5), the top movable connection of connecting door (1) has door head slot (505), the inside fixed connection of connecting door (1) has unloading board (6), the outside movable connection of unloading board (6) has unloading lever (603), the outside movable connection of unloading board (6) has unloading spring (606).

2. A blast resistant security door according to claim 1, characterised in that: The outside movable connection of connecting door (1) has movable plate (101), and the outside fixed connection of connecting door (1) has connecting handrail (102).

3. A blast resistant security door according to claim 1, characterised in that: The outside movable connection of fixed door frame (2) has movable shaft (201), and the outside movable connection of movable shaft (201) has rotating plate (202), and the outside fixed connection of fixed door frame (2) has fixed plate (203).

4. A blast resistant security door according to claim 1, characterised in that: The top fixed connection of fixed door head (3) has connecting plate (301), and the outside fixed connection of fixed door head (3) has connecting block (302).

5. A blast resistant security door according to claim 1, wherein: The outside fixed connection of push -out board (4) has push -out hydraulic barrel (401), and the inside movable connection of push -out hydraulic barrel (401) has push -out hydraulic lever (402), and the top fixed connection of push -out hydraulic lever (402) has limit slot (403), and the inside fixed connection of limit slot (403) has lifting plate (404), and the top fixed connection of lifting plate (404) has push -out spring (405), and the top fixed connection of push -out spring (405) has rising plate (406).

6. A blast resistant security door according to claim 1, characterised in that: The outside movable connection of driven rack (5) has rotating gear (501), and the outside movable connection of rotating gear (501) has connecting rack (502), and the top fixed connection of connecting rack (502) has door head plate (503), and the bottom fixed connection of door head plate (503) has door head spring (504), and the bottom fixed connection of door head spring (504) has door head slot (505), and the outside fixed connection of door head slot (505) has limit strip (506).

7. A blast resistant security door according to claim 1, characterised in that: The outside fixed connection of unloading board (6) has unloading block (601), and the inside movable connection of unloading block (601) has unloading shaft (602), and the outside fixed connection of unloading block (601) has unloading ball (604), and the outside fixed connection of unloading ball (604) has unloading lever (603), and the outside fixed connection of unloading lever (603) has limit ring (605), and the outside fixed connection of limit ring (605) has unloading spring (606), and the outside fixed connection of limit ring (605) has damper (607).