Energy dissipation and pressure reduction type combined anti-knock door

By incorporating explosion-proof plates, buffer components, and reinforcing ribs into the combined explosion-proof door, impact energy is buffered and dispersed in stages, solving the damage problem caused by the simple structure of existing explosion-proof doors and improving the durability of explosion-proof doors.

CN223634570UActive Publication Date: 2025-12-05JINGJIANG CHUNZHU ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202423224414.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-05
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing combination explosion-proof doors lack a buffer structure, which cannot effectively dissipate energy and reduce pressure, resulting in excessive impact force that damages the door body and shortens its service life.

Method used

An energy-dissipating and pressure-reducing combined explosion-proof door was designed. Through the combination structure of explosion-proof plate, buffer component and reinforcing rib, the impact energy is buffered and dispersed step by step. The door includes buffer damper, buffer spring, support tube and fireproof plate, etc., to achieve the step-by-step buffering and pressure reduction of impact energy.

Benefits of technology

It effectively reduces the damage to blast-resistant doors caused by impact and extends their service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223634570U_ABST
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Abstract

The utility model discloses an energy dissipation and pressure reduction type combined anti-knock door, which belongs to the technical field of anti-knock doors and comprises a door frame, mounting plates are arranged on two sides of the door frame, a main door body is hinged to an inner cavity of the door frame through hinges, a first switch is arranged on the surface of the main door body, and an observation door is arranged at the top end of the main door body. The main door body comprises a door plate, reinforcing ribs are arranged on the outer side of the door plate, a supporting plate is arranged on the outer sides of the reinforcing ribs, a buffering assembly used for reducing impact energy is arranged on the surface of the supporting plate, and a fixing plate is arranged at the other end of the buffering assembly. A flame-retardant structure for preventing the explosion-proof door from burning is arranged on the outer surface of the fixing plate, an explosion-proof plate is arranged on the outer surface of the flame-retardant structure, and a decorative plate is arranged on the outer surface of the explosion-proof plate, so that damage to the combined explosion-proof door caused by too large impact force is avoided, the damage degree of the explosion-proof door is reduced, and the service life of the explosion-proof door is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anti-explosion door, concretely to a combined energy-dissipation pressure-reducing anti-explosion door. BACKGROUND

[0002] The anti-explosion door is a kind of anti-explosion protection equipment for resisting the explosion of industrial building outside device, protecting personnel life safety and industrial building internal equipment, preventing explosion shock wave damage and effectively preventing explosion hazard continuation. It can be made of special industrial steel plate according to strict mechanical data, and equipped with high-performance hardware fittings to protect life and property safety.

[0003] The existing combined anti-explosion door has simple internal structure, and the impact force generated by explosion is usually shielded by the internal explosion-proof plate. Since the combined anti-explosion door does not have a buffer structure, it cannot dissipate and reduce the impact energy generated by explosion, so that the impact force is too large to cause damage to the combined anti-explosion door, increase the damage degree of the anti-explosion door, and reduce the service life of the anti-explosion door.

[0004] According to the anti-explosion door with the announcement number CN205135326U, the anti-explosion door body is composed of two galvanized cold-rolled steel plates and a fireproof material layer arranged between the two galvanized cold-rolled steel plates, one side of the anti-explosion door body is provided with a conical thrust bearing four-way adjustable door shaft, the anti-explosion door body is provided with a cast steel hand wheel and a theft-proof lock core, and the anti-explosion door body is provided with a pick-resistant device. The anti-explosion door has the advantages that the anti-explosion door structure is simple, the pick-resistant device is arranged, so that the anti-explosion door has a wider application field, and the practicality of the anti-explosion door is improved.

[0005] According to the anti-explosion door described above, the impact energy generated by explosion cannot be dissipated and reduced, the impact force is too large to cause damage to the combined anti-explosion door, the damage degree of the anti-explosion door is increased, and the service life of the anti-explosion door is reduced, so we need to provide a combined energy-dissipation pressure-reducing anti-explosion door. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a combined energy-dissipation pressure-reducing anti-explosion door, which buffers the impact energy initially received through the arrangement of the explosion-proof plate, transmits the buffered impact energy to the fixed plate, moves the fixed plate to the supporting plate, buffers the impact energy again through the buffer assembly, transmits the impact energy after the second buffering to the reinforcing rib and then to the door plate, realizes the energy dissipation and pressure reduction of the impact energy on the anti-explosion door, avoids the damage of the impact force to the combined anti-explosion door, reduces the damage degree of the anti-explosion door, and increases the service life of the anti-explosion door, so as to solve the problems in the above background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: an energy dissipation pressure reducing type combined explosion door, including door frame, both sides of door frame all are provided with mounting plate, the inner chamber of door frame is hinged with main door body through hinge, the surface of main door body is provided with first switch, the top of main door body is provided with the observation door for observing the situation of the other side of explosion door, main door body includes door panel, the outside of door panel is provided with reinforcing rib, the outside of reinforcing rib is provided with support plate, the surface of support plate is provided with buffer assembly for reducing the impact energy, buffer assembly is provided with a plurality of groups, the other end of buffer assembly is provided with fixed plate, the outer surface of fixed plate is provided with the fire -retardant structure that avoids explosion door combustion, the outer surface of fire -retardant structure is provided with explosion -proof plate, the outer surface of explosion -proof plate is provided with decorative plate.

[0008] Preferably, the observation door includes a secondary door body, the top of the main door body is provided with an observation slot, the secondary door body is hinged with the observation slot through a hinge, and the bottom end of the secondary door body is provided with a second switch.

[0009] Preferably, the buffer assembly includes a buffer damper, one end of the buffer damper is fixedly connected with the surface of the support plate, the other end of the buffer damper is fixedly connected with the surface of the fixed plate, the outer surface of the buffer damper is sleeved with a buffer spring, and the buffer spring is located between the support plate and the fixed plate.

[0010] Preferably, the surface of the support plate is fixedly connected with a support pipe, the inner cavity of the support pipe is slidably connected with a support rod, and the other end of the support rod is fixedly connected with the surface of the fixed plate.

[0011] Preferably, the support pipe is provided with a plurality of groups, and the plurality of groups of support pipes are symmetrically distributed on the surface of the support plate.

[0012] Preferably, the fire -retardant structure includes a fire -resistant plate, the fire -resistant plate is arranged on the inner side of the explosion -proof plate, and the inner side of the fire -resistant plate is filled with fire -resistant mortar.

[0013] Preferably, the outer surface of the fire -resistant plate is sprayed with a fire -retardant agent, and the thickness of the fire -retardant agent is greater than 150g / m2.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model provides a kind of energy dissipation pressure reducing type combined explosion door, the setting of explosion-proof plate, the impact energy that is initially received is buffered, and the impact energy after buffering is transmitted to fixed plate, fixed plate moves to support plate, and the impact energy is buffered again by buffering component, and the impact energy after buffering again is transmitted to reinforcing rib and dispersed transmission to door panel, impact energy on explosion door is buffered to realize energy dissipation, to avoid that the impact force is too large to cause harm to combined explosion door, reduce the damage degree of explosion door, increase the service life of anti-violence door.

[0016] Other features and advantages of the present utility model will be set forth in the following description of the utility model, and, in part will become apparent from the description, or be learned by practicing the present utility model. The purpose and other advantages of the present utility model can be achieved and obtained by the structure indicated in the description and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the utility model opening observation door;

[0019] Figure 3 It is the structure schematic diagram of the utility model main door body decomposition;

[0020] Figure 4 It is the structure schematic diagram of the utility model fire -retardant structure decomposition;

[0021] Figure 5 It is the utility model Figure 3 The structure schematic diagram of enlarged A place in.

[0022] In the drawing: 1, door frame;2, mounting plate;4, first switch;5, observation door;51, auxiliary door body;52, observation groove;53, second switch;6, door panel;7, reinforcing rib;8, support plate;9, buffering component;91, buffer damper;92, buffer spring;10, fixed plate;11, fire -retardant structure;111, fireproof plate;112, fireproof mortar;12, explosion-proof plate;13, decorative plate;14, support pipe;15, support rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of energy dissipation pressure reducing combined explosion door, installation plate 2 is provided in the both sides of door frame 1, the inner chamber of door frame 1 is hinged with main door body by hinge, the surface of main door body is provided with first switch 4, the top of main door body is provided with observation door 5 for observing the situation of the other side of explosion door, main door body includes door plate 6, the outside of door plate 6 is provided with reinforcing rib 7, reinforcing rib 7 is provided with several groups, the outside of reinforcing rib 7 is provided with support plate 8, the surface of support plate 8 is provided with buffer assembly 9 for reducing the impact energy received, buffer assembly 9 is provided with several groups, the other end of buffer assembly 9 is provided with fixed plate 10, the outer surface of fixed plate 10 is provided with flame-retardant structure 11 for avoiding explosion door combustion, the outer surface of flame-retardant structure 11 is provided with explosion-proof plate 12, the outer surface of explosion-proof plate 12 is provided with decorative plate 13;

[0025] When the impact energy generated by explosion is transmitted to the combined explosion door, the impact energy is transmitted to the explosion-proof plate 12 through the decorative plate 13, the impact energy is preliminarily buffered by the explosion-proof plate 12, the buffered impact energy is transmitted to the fixed plate 10, the fixed plate 10 moves to the support plate 8, the impact energy is buffered again by the buffer assembly 9, the buffered impact energy is transmitted to the reinforcing rib 7 and then dispersed to the door plate 6, so that the impact energy on the explosion door is dissipated and reduced, thereby avoiding damage to the combined explosion door caused by excessive impact force, reducing the damage degree of the explosion door and increasing the service life of the explosion door.

[0026] The observation door 5 includes a secondary door body 51, an observation slot 52 is formed in the top end of the main door body, the secondary door body 51 is hingedly connected with the observation slot 52, a second switch 53 is arranged at the bottom end of the secondary door body 51, the secondary door body 51 is fixed by opening the second switch 53, then the secondary door body 51 is opened, and the explosion situation on the other side of the combined explosion door can be observed through the observation slot 52 on the main door body, wherein the secondary door body 51 and the main door body are made of the same material.

[0027] The buffer assembly 9 includes a buffer damper 91, one end of the buffer damper 91 is fixedly connected with the surface of the support plate 8, the other end of the buffer damper 91 is fixedly connected with the surface of the fixed plate 10, a buffer spring 92 is sleeved on the outer surface of the buffer damper 91, the buffer spring 92 is located between the support plate 8 and the fixed plate 10, the fixed plate 10 transmits the impact energy to the buffer damper 91, the fixed plate 10 simultaneously extrudes the buffer damper 91 and the buffer spring 92, the impact energy is buffered by the buffer damper 91 and then transmitted to the support plate, and the fixed plate 10 is reset by the buffer spring 92 after the buffering is completed.

[0028] The surface of the supporting plate 8 is fixedly connected with a supporting pipe 14, the inner cavity of the supporting pipe 14 is inserted with a supporting rod 15, the other end of the supporting rod 15 is fixedly connected with the surface of the fixed plate 10, through the cooperation of the supporting pipe 14 and the supporting plate 8, the supporting plate 8 and the fixed plate 10 are supported, so that the fixed plate 10 is prevented from moving and deviating from the position when subjected to impact energy.

[0029] The supporting pipe 14 is provided in several groups, and the several groups of supporting pipes 14 are symmetrically distributed on the surface of the supporting plate 8, and the supporting effect between the fixed plate 10 and the supporting plate 8 is enhanced through the arrangement of the supporting pipe 14.

[0030] The fire-retardant structure 11 comprises a fireproof plate 111 arranged on the inner side of the explosion-proof plate 12, and the inner side of the fireproof plate 111 is filled with fireproof mortar 112, the fireproof plate 111 is used to isolate external flames, and the fireproof effect of the fireproof plate 111 is improved through the arrangement of the internal fireproof mortar 112, so that the door plate 6 inside is prevented from being damaged by the flames.

[0031] The outer surface of the fireproof plate 111 is sprayed with a fire retardant, and the thickness of the fire retardant is greater than 150g / m2, so that the fire resistance of the fireproof plate 111 is improved through the cooperation of the fire retardant.

[0032] In specific use: when the impact energy generated by the explosion is transmitted to the combined explosion-proof door, the impact energy is transmitted to the explosion-proof plate 12 through the decorative plate 13, the impact energy is preliminarily buffered by the explosion-proof plate 12, the buffered impact energy is transmitted to the fixed plate 10, the fixed plate 10 moves towards the supporting plate 8, the fixed plate 10 transmits the impact energy to the buffer damper 91, the fixed plate 10 simultaneously extrudes the buffer damper 91 and the buffer spring 92, the impact energy is buffered by the buffer damper 91 and then transmitted to the support plate, after the buffering is completed, the fixed plate 10 is reset by the buffer spring 92, the impact energy after the second buffering is transmitted to the reinforcing rib 7 and then dispersedly transmitted to the door plate 6, so that the impact energy on the explosion-proof door is energy-dissipated and pressure-reduced, thereby avoiding that the impact force is too large to damage the combined explosion-proof door, reducing the damage degree of the explosion-proof door and prolonging the service life of the explosion-proof door.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A combined energy dissipating and pressure relief type explosion door comprising a door frame (1), characterized in that: The door frame (1) is provided with mounting plates (2) on both sides, the inner cavity of the door frame (1) is hinged with a main door body through a hinge, the surface of the main door body is provided with a first switch (4), the top end of the main door body is provided with an observation door (5) for observing the situation of the other side of the blast door, the main door body comprises a door plate (6), the outer side of the door plate (6) is provided with reinforcing ribs (7), the reinforcing ribs (7) are provided in several groups, the outer side of the reinforcing ribs (7) is provided with a support plate (8), the surface of the support plate (8) is provided with a buffer assembly (9) for reducing the impact energy, the buffer assembly (9) is provided in several groups, the other end of the buffer assembly (9) is provided with a fixed plate (10), the outer surface of the fixed plate (10) is provided with a flame-retardant structure (11) for avoiding the combustion of the blast door, the outer surface of the flame-retardant structure (11) is provided with an explosion-proof plate (12), and the outer surface of the explosion-proof plate (12) is provided with a decorative plate (13).

2. A pressure relief and pressure mitigation combination blast door according to claim 1, wherein: The observation door (5) comprises a secondary door body (51), an observation groove (52) is formed in the top end of the main door body, and the secondary door body (51) is hinged with the observation groove (52) through a hinge.

3. A pressure relief and pressure mitigation combination blast door according to claim 1, wherein: The buffer assembly (9) comprises a buffer damper (91), one end of the buffer damper (91) is fixedly connected with the surface of the support plate (8), the other end of the buffer damper (91) is fixedly connected with the surface of the fixed plate (10), and the outer surface of the buffer damper (91) is sleeved with a buffer spring (92).

4. A pressure relief and pressure mitigation combination blast door according to claim 1, wherein: The surface of the support plate (8) is fixedly connected with a support pipe (14), the inner cavity of the support pipe (14) is inserted and slidably connected with a support rod (15), and the other end of the support rod (15) is fixedly connected with the surface of the fixed plate (10).

5. A pressure relief and pressure mitigation combination blast door according to claim 4, wherein: The support pipe (14) is provided in several groups, and the several groups of support pipes (14) are symmetrically distributed on the surface of the support plate (8).

6. A pressure relief and pressure mitigation combination blast door according to claim 1, wherein: The flame-retardant structure (11) comprises a fireproof plate (111), the fireproof plate (111) is arranged on the inner side of the explosion-proof plate (12), and the inner side of the fireproof plate (111) is filled with fireproof mortar (112).

7. A pressure relief and pressure mitigation combination blast door according to claim 6, wherein: The outer surface of the fireproof plate (111) is sprayed with a flame retardant, and the thickness of the flame retardant is greater than 150g / m2.

Citation Information

Patent Citations

  • Explosion -resistant door

    CN205135326U