Protective door and energy storage container

By installing fireproof door frame components at the door gaps of energy storage containers and sealing the gaps with expansion sealing strips, the problem of insufficient fireproof design at the door gaps of energy storage containers is solved, achieving higher airtightness and fireproof performance.

CN224244747UActive Publication Date: 2026-05-15ENVISION ENERGY TECH (SHANGHAI) CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ENVISION ENERGY TECH (SHANGHAI) CO LTD
Filing Date
2025-04-11
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The existing fireproof design at the door seams of energy storage containers is inadequate, which may cause heat sources, smoke, and fires to leak out.

Method used

Fireproof door frame components, including fireproof brackets and fireproof expansion sealing strips, are installed at the door gaps of the protective door. The expansion sealing strips seal the door gaps when they expand due to heat, thereby enhancing the airtightness.

Benefits of technology

It effectively prevents the spread of fire, heat sources, and smoke from inside the enclosure to the outside, and improves the airtightness of the enclosure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224244747U_ABST
Patent Text Reader

Abstract

The utility model provides a protective door and an energy storage container, the protective door comprises a protective door main body and a fireproof door frame assembly, the protective door main body comprises a door frame and a door leaf, the door leaf can be arranged on the door frame in an opening and closing mode, and a door slot is formed in the protective door main body; the fireproof door frame assembly is arranged on the side, corresponding to the door slot, of the protective door body in the opening and closing direction of the door leaf, the fireproof door frame assembly comprises a fireproof support and a fireproof expansion sealing strip, the fireproof support is arranged on the protective door body, and the fireproof expansion sealing strip is arranged on the fireproof support and located on the side, close to the door slot, of the fireproof support. When the protective door is installed on the box body and emergency situations such as explosion and combustion occur in the box body, the fireproof expansion sealing strip is heated and expanded to extrude the periphery of the door leaf, so that the fireproof expansion sealing strip can tightly press the door leaf to fill the door crack of the protective door main body, the sealing performance of the box body is improved, and the service life of the box body is prolonged. Fire disasters, heat sources, smoke and the like in the box body can be effectively prevented from spreading outwards.
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Description

Technical Field

[0001] This utility model relates to the field of energy storage equipment technology, and in particular to a protective door and an energy storage container. Background Technology

[0002] Current energy storage containers are characterized by compact battery arrangement and high energy density, thus requiring excellent flame-retardant and heat-insulating properties. Since the container door panels are not completely sealed, the door leaf and frame are connected by several fire-resistant hinges, typically leaving a gap of about 18-20mm between them. Furthermore, the door leaf itself is prone to deformation and has poor fire resistance. These are weak points in the container's flame-retardant and heat-insulating design. In the event of an explosion or fire inside the container, heat, smoke, and fire may escape due to insufficient fireproofing at the door gaps. Utility Model Content

[0003] The purpose of this utility model is to provide a protective door and an energy storage container, which aims to solve the problem of insufficient fireproof design at the door seams of existing energy storage containers.

[0004] To solve the above-mentioned technical problems, the present invention provides a protective door, comprising:

[0005] The protective door body includes a door frame and a door leaf, the door leaf being openable and closable on the door frame, and the protective door body having a door gap;

[0006] A fireproof door frame assembly is provided on one side of the protective door body in the opening and closing direction of the door leaf, corresponding to the door gap. The fireproof door frame assembly includes a fireproof bracket and a fireproof expansion sealing strip. The fireproof bracket is provided on the protective door body, and the fireproof expansion sealing strip is provided on the fireproof bracket. The fireproof expansion sealing strip is located on the side of the fireproof bracket closer to the door gap.

[0007] In some embodiments, the fireproof bracket and the protective door body are fixed by screwing, welding, riveting or adhesive.

[0008] In some embodiments, the fireproof bracket is provided with a mounting groove facing the door gap, and the fireproof expansion sealing strip is disposed in the mounting groove.

[0009] In some embodiments, the door gap includes a first door gap located between the door frame and the door leaf, and the fireproof door frame assembly includes a first fireproof door frame assembly disposed corresponding to the first door gap.

[0010] In some embodiments, the door leaf includes a first door leaf and a second door leaf, both ends of the first door leaf and the second door leaf that are far apart from each other are rotatably disposed on the door frame, the door gap includes a second door gap located between the ends of the first door leaf and the second door leaf that are close to each other, and the fireproof door frame assembly includes a second fireproof door frame assembly disposed corresponding to the second door gap.

[0011] In some embodiments, in the first fireproof door frame assembly, a portion of the fireproof bracket extends into the first door gap to form a first fixed connection portion, which is fitted and fixed to the inner peripheral side of the door frame.

[0012] In some embodiments, in the second fireproof door frame assembly, the fireproof bracket includes a second fixed connection portion, which is fitted and fixed to the first door leaf or the second door leaf near the door panel surface of the second fireproof door frame assembly.

[0013] In some embodiments, the door leaf includes:

[0014] First panel;

[0015] The second panel is located on the side of the first panel near the fire door frame assembly, and a heat insulation layer is provided between the second panel and the first panel.

[0016] In some embodiments, both the first panel and the second panel include at least one of zinc alloy plate, magnesium oxide plate, carbon steel plate, and stainless steel plate.

[0017] In some embodiments, the insulation layer includes at least one of rock wool layer, aluminum silicate layer, nanocomposite material layer, fireproof board, and perlite layer.

[0018] In some embodiments, the door leaf further includes a door leaf frame disposed between the first panel and the second panel, and the heat insulation layer is filled between the door leaf frame, the first panel, the second panel, and inside the door leaf frame.

[0019] To achieve the above objectives, this utility model also provides an energy storage container, comprising:

[0020] Box;

[0021] The protective door is the aforementioned protective door, the door frame of which is disposed on the housing, and the fireproof door frame assembly of which is located on the side of the door frame closer to the interior of the housing.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The protective door of this utility model has a fireproof door frame assembly at the door gap of the main body. The fireproof expansion sealing strip of the fireproof door frame assembly can seal the door gap when the door leaf is closed. When the protective door is installed on the box, the fireproof door frame assembly is located inside the main body of the protective door. When an emergency such as an explosion or fire occurs inside the box, the fireproof expansion sealing strip will expand due to heat and squeeze the door leaf around it, so that the fireproof expansion sealing strip can press the door leaf tightly and fill the door gap of the main body of the protective door. This increases the airtightness of the box and can effectively prevent the fire, heat source, smoke and other substances inside the box from spreading outward. Attached Figure Description

[0024] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0025] Figure 1 This is a schematic diagram of the structure of the protective door in an embodiment of this utility model;

[0026] Figure 2 for Figure 1 A structural schematic diagram of the central protective door from another perspective;

[0027] Figure 3 for Figure 1 A sectional view of the central protective door;

[0028] Figure 4 for Figure 3 A magnified view of a section at point A in the middle;

[0029] Figure 5 for Figure 3 A magnified view of a section at point B in the middle;

[0030] Figure 6 for Figure 3 A structural schematic diagram of the junction between the middle door frame and the first fire door frame assembly;

[0031] Figure 7 for Figure 6 A structural schematic diagram of the first fire door frame assembly;

[0032] Figure 8 for Figure 3 A schematic diagram of the structure at the junction of the middle door leaf and the second fire door frame assembly.

[0033] Explanation of reference numerals in the accompanying drawings of this utility model:

[0034] Protective door 100, protective door body 1, door frame 11, filling material 111, door leaf 12, first door leaf 12a, second door leaf 12b, first panel 121, second panel 122, heat insulation layer 123, door leaf frame 124, door gap 13, first door gap 13a, second door gap 13b, fireproof door frame assembly 2, first fireproof door frame assembly 2a, second fireproof door frame assembly 2b, fireproof bracket 21, first fireproof bracket 21a, second fireproof bracket 21b, mounting groove 211, first fixed connection part 212, second fixed connection part 213, fireproof expansion sealing strip 22, first fireproof expansion sealing strip 22a, second fireproof expansion sealing strip 22b, sealing assembly 3, bolt connection structure 4, bolt 41, blind hole stud 42, gasket 43, hinge 5.

[0035] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0036] As can be seen from the background technology, there is a need to provide a protective door and an energy storage container that can solve the problem of insufficient fireproof design at the door gaps of existing energy storage containers.

[0037] The protective door of this utility model has a fireproof door frame assembly at the door gap of the main body. The fireproof expansion sealing strip of the fireproof door frame assembly can seal the door gap when the door leaf is closed. When the protective door is installed on the box, the fireproof door frame assembly is located inside the main body of the protective door. When an emergency such as an explosion or fire occurs inside the box, the fireproof expansion sealing strip will expand due to heat and squeeze the door leaf around it, so that the fireproof expansion sealing strip can press the door leaf tightly and fill the door gap of the main body of the protective door. This increases the airtightness of the box and can effectively prevent the fire, heat source, smoke and other substances inside the box from spreading outward.

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0040] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0041] This utility model provides a protective door that can be used in containers such as energy storage containers. The following description will use the protective door for an energy storage container as an example. Figures 1 to 8 A preferred embodiment of the protective door provided by this utility model is shown.

[0042] Please see Figures 2 to 5 In some embodiments, the protective door 100 includes a protective door body 1 and a fireproof door frame assembly 2. The protective door body 1 includes a door frame 11 and a door leaf 12. The door leaf 12 is closably disposed on the door frame 11. The protective door body 1 has a door gap 13. The fireproof door frame assembly 2 is disposed on one side of the protective door body 1 in the opening and closing direction of the door leaf 12, corresponding to the door gap 13. The fireproof door frame assembly 2 includes a fireproof bracket 21 and a fireproof expansion sealing strip 22. The fireproof bracket 21 is disposed on the protective door body 1, and the fireproof expansion sealing strip 22 is disposed on the fireproof bracket 21. The fireproof expansion sealing strip 22 is located on the side of the fireproof bracket 21 near the door gap 13.

[0043] Specifically, the protective door body 1 is used to install at the door opening of the energy storage container. The protective door body 1 includes a door frame 11 and a door leaf 12. The door frame 11 is set at the door opening of the container, and the door leaf 12 is set on the door frame 11 in an openable and closable manner, so that the door opening of the container can be opened and closed through the door leaf 12.

[0044] The door leaf 12 is typically rotatably mounted on the door frame 11, allowing the doorway of the enclosure to be opened and closed by rotating the door leaf 12. Alternatively, please refer to... Figure 1 In some embodiments, the door leaf 12 is rotatably connected to the door frame 11 via a hinge 5. The following will describe the example of the door leaf 12 being rotatably mounted on the door frame 11.

[0045] When the door leaf 12 is closed, a door gap 13 extending circumferentially along the door leaf 12 is formed between the door leaf 12 and the door frame 11. The door frame 11 is usually square in shape. The height direction of the door frame 11 is defined as the vertical direction, the width direction of the door frame 11 is defined as the horizontal direction, and the direction of the central axis of the door frame 11 is defined as the front-back direction. The door leaf 12 can be rotatably mounted on the door frame 11 along the vertical axis. The opening and closing direction of the door leaf 12 is the front-back direction, and the direction of opening the door leaf 12 is defined as front, and the direction of closing the door leaf 12 is defined as back.

[0046] When the protective door 100 is installed on the enclosure, the fireproof door frame assembly 2 is located on the side of the protective door body 1 closest to the interior of the enclosure, that is, the fireproof door frame assembly 2 is located on the rear side of the protective door body 1. The fireproof door frame assembly 2 is arranged circumferentially along the door leaf 12 corresponding to the door gap 13. The fireproof door frame assembly 2 includes a fireproof bracket 21 and a fireproof expansion sealing strip 22. The fireproof bracket 21 is made of fireproof material, for example, the fireproof bracket 21 is usually a metal sheet piece. The fireproof bracket 21 is fixedly installed on the door frame 11 or the door leaf 12. The fireproof expansion sealing strip 22 is located on the side of the fireproof bracket 21 closest to the door gap 13, that is, the fireproof expansion sealing strip 22 is installed facing forward on the fireproof bracket 21, and the fireproof expansion sealing strip 22 and the door gap 13 are opposite each other in the opening and closing direction of the door leaf 12, so that the fireproof expansion sealing strip 22 can seal the door gap 13 when the door leaf 12 is closed. For example, when the door leaf 12 is closed, the fire-resistant expansion sealing strip 22 abuts against the rear side of the protective door body 1, and the fire-resistant expansion sealing strip 22 seals the rear side of the door gap 13. Because the fire-resistant expansion sealing strip 22 has the property of expanding when heated, when an emergency such as an explosion or fire occurs inside the enclosure, the fire-resistant expansion sealing strip 22 will expand due to heat and squeeze around the door leaf 12, so that the fire-resistant expansion sealing strip 22 can press the door leaf 12 tightly, so that part of the fire-resistant expansion sealing strip 22 is pressed into the door gap 13. This increases the airtightness of the enclosure and can effectively prevent the fire, heat source, smoke and other substances inside the enclosure from spreading outward.

[0047] The protective door 100 of this utility model has a fireproof door frame assembly 2 at the door gap 13 of the protective door body 1. The fireproof expansion sealing strip 22 of the fireproof door frame assembly 2 can seal the door gap 13 when the door leaf 12 is closed. When the protective door 100 is installed on the box, the fireproof door frame assembly 2 is located inside the protective door body 1. When an emergency such as explosion or fire occurs inside the box, the fireproof expansion sealing strip 22 will expand due to heat and squeeze the door leaf 12 around it, so that the fireproof expansion sealing strip 22 can press the door leaf 12 tightly and fill the door gap 13 of the protective door body 1. This increases the airtightness of the box and can effectively prevent the fire, heat source, smoke and other substances inside the box from spreading outward.

[0048] The fireproof bracket 21 is fixedly installed on the protective door body 1. The fixing method between the fireproof bracket 21 and the protective door body 1 can be set according to the actual situation. For example, the fireproof bracket 21 and the protective door body 1 can be fixed by screwing, welding, riveting or gluing.

[0049] The fire-resistant expansion sealing strip 22 is fixedly installed on the fireproof bracket 21. The fire-resistant expansion sealing strip 22 can be fixed to the fireproof bracket 21 by means of adhesive bonding, snap-fit ​​fixing, or screw fixing. Optionally, please refer to... Figures 6 to 8 In some embodiments, the fireproof bracket 21 is provided with a mounting groove 211 facing the door gap 13, and the fireproof expansion sealing strip 22 is disposed in the mounting groove 211.

[0050] Specifically, the fireproof bracket 21 is bent to form a mounting groove 211 with the opening facing forward. The shape of the mounting groove 211 is adapted to the shape of the fireproof expansion sealing strip 22. Thus, by setting the mounting groove 211 on the fireproof bracket 21, not only can the fireproof expansion sealing strip 22 be installed and positioned on the fireproof bracket 21, but the expansion direction of the fireproof expansion sealing strip 22 can also be limited by the mounting groove 211, which is conducive to the fireproof expansion sealing strip 22 that expands due to heat filling the door gap 13.

[0051] The protective door 100 can be a single-leaf or double-leaf structure. When the protective door 100 is a single-leaf structure, the main body 1 of the protective door includes only one door leaf 12, and the fireproof door frame assembly 2 and the door gap 13 are both arranged to extend circumferentially along the door frame 11. When the protective door 100 is a double-leaf structure, the main body 1 of the protective door includes two door leaves 12, and a door gap 13 is formed between the two door leaves 12 and between each door leaf 12 and the door frame 11. The following will describe the protective door 100 as a double-leaf structure as an example.

[0052] Optionally, please refer to Figure 3 , Figure 5 and Figure 6 In some embodiments, the door gap 13 includes a first door gap 13a located between the door frame 11 and the door leaf 12, and the fireproof door frame assembly 2 includes a first fireproof door frame assembly 2a provided corresponding to the first door gap 13a.

[0053] Specifically, the first door gap 13a and the first fireproof door frame assembly 2a are both square in shape extending circumferentially along the door frame 11. The first fireproof door frame assembly 2a includes two horizontal segments extending in the left and right directions and spaced vertically, and two vertical segments extending in the up and down directions and spaced horizontally. The two horizontal segments and the two vertical segments are connected at the end to form a square first fireproof door frame assembly 2a.

[0054] The first fireproof door frame assembly 2a includes a first fireproof bracket 21a and a first fireproof expansion sealing strip 22a. The first fireproof bracket 21a is fixedly mounted on the door frame 11 or the door leaf 12. The first fireproof expansion sealing strip 22a is mounted on the first fireproof bracket 21a. When the door leaf 12 is closed, the first fireproof expansion sealing strip 22a seals the rear side of the first door gap 13a. After the first fireproof expansion sealing strip 22a expands due to heat, a portion of the first fireproof expansion sealing strip 22a is pressed into the first door gap 13a.

[0055] Optionally, please refer to Figures 5 to 7 In some embodiments, in the first fireproof door frame assembly 2a, a portion of the fireproof bracket 21 extends into the first door gap 13a to form a first fixed connection portion 212, which is fitted and fixed to the inner peripheral side of the door frame 11.

[0056] Specifically, the first fireproof bracket 21a is bent to form a forward-facing mounting groove 211. A first fireproof expansion sealing strip 22a is disposed within the mounting groove 211. The groove sidewall of the mounting groove 211 near the door frame 11 extends forward into the first door gap 13a to form a first fixed connection portion 212. The first fixed connection portion 212 abuts against the inner side of the door frame 11 and is fixedly fitted to the door frame 11. In this way, the first fireproof door frame assembly 2a is fixedly installed on the inner peripheral side of the door frame 11 through the first fixed connection portion 212, making the structure of the first fireproof door frame assembly 2a simple and easy to maintain and disassemble.

[0057] The first fireproof bracket 21a can be fixed to the door frame 11 with bolts. Alternatively, the first fireproof bracket 21a and the door frame 11 can be fixed by riveting, welding, or high-temperature adhesive bonding. When the first fireproof bracket 21a and the door frame 11 are fixed with bolts, depending on the actual application, blind holes or riveting blind holes can be pre-embedded on the door frame 11 corresponding to the bolts, which helps to meet the waterproof performance requirements; alternatively, threads can be directly tapped on the contact surface of the door frame 11.

[0058] Optionally, please refer to Figures 6 to 8 In some embodiments, the first fireproof bracket 21a is fixedly connected to the door frame 11 by a plurality of bolt connection structures 4 arranged at intervals along the circumference of the door frame 11. The bolt connection structure 4 includes a bolt 41 and a blind hole stud 42. The blind hole stud 42 is disposed inside the door frame 11. The bolt 41 is installed on the side of the first fixed connection part 212 away from the door frame 11. After the tail of the bolt 41 passes through the first fixed connection part 212, it extends into the door frame 11 and is threadedly connected to the blind hole stud 42. A washer 43 is provided on the bolt 41, and the washer 43 abuts against the side of the first fixed connection part 212 away from the door frame 11.

[0059] Optionally, please refer to Figure 3 , Figure 4 and Figure 8 In some embodiments, the door leaf 12 includes a first door leaf 12a and a second door leaf 12b. The two ends of the first door leaf 12a and the second door leaf 12b that are far apart from each other are rotatably disposed on the door frame 11. The door gap 13 includes a second door gap 13b located between the two ends of the first door leaf 12a and the second door leaf 12b that are close to each other. The fireproof door frame assembly 2 includes a second fireproof door frame assembly 2b disposed corresponding to the second door gap 13b.

[0060] Specifically, the left end of the first door leaf 12a is rotatably connected to the left side of the door frame 11, and the right end of the second door gap 13b is rotatably connected to the right side of the door frame 11. When the first door leaf 12a and the second door leaf 12b are closed, a second door gap 13b extending vertically is formed between the right end of the first door leaf 12a and the left end of the second door gap 13b. The second fireproof door frame assembly 2b is arranged vertically corresponding to the second door gap 13b. The second fireproof door frame assembly 2b includes a second fireproof bracket 21b and a second fireproof expansion sealing strip 22b. The second fireproof bracket 21b is fixedly installed on the first door leaf 12a or the second door leaf 12b, and the second fireproof expansion sealing strip 22b is installed on the second fireproof bracket 21b. When the first door leaf 12a and the second door leaf 12b are closed, the second fireproof expansion sealing strip 22b seals the rear side of the second door gap 13b. After the second fireproof expansion sealing strip 22b expands due to heat, a portion of the second fireproof expansion sealing strip 22b will be pressed into the second door gap 13b.

[0061] Optionally, please refer to Figure 4 and Figure 8 In some embodiments, in the second fireproof door frame assembly 2b, the fireproof bracket 21 includes a second fixed connection part 213, which is attached and fixed to the door panel surface of the first door leaf 12a or the second door leaf 12b near the second fireproof door frame assembly 2b.

[0062] Specifically, the second fixed connection part 213 can be fitted and fixed to the rear door panel of the first door leaf 12a; the second fixed connection part 213 can also be fitted and fixed to the rear door panel of the second door leaf 12b. The following description will use the fitting and fixing of the second fixed connection part 213 to the rear door panel of the second door leaf 12b as an example. The second fixed connection part 213 and the door leaf 12 can be fixed by welding, bolting, riveting, or bonding.

[0063] The second fireproof bracket 21b is bent to form a mounting groove 211 with the opening facing forward. The second fireproof expansion sealing strip 22b is disposed in the mounting groove 211. The groove sidewall of the mounting groove 211 near the second door leaf 12b is inclined away from the first door leaf 12a. The groove sidewall of the mounting groove 211 near the second door leaf 12b is bent and extended away from the first door leaf 12a to form a second fixed connection part 213. The second fixed connection part 213 abuts against the rear side of the second door leaf 12b and is fixedly fitted to the rear door panel of the second door leaf 12b. In this way, the second fireproof door frame assembly 2b is fixedly installed on the rear door panel of the second door leaf 12b through the second fixed connection part 213, making the structure of the second fireproof door frame assembly 2b simple and easy to maintain and disassemble.

[0064] The second fireproof bracket 21b and the door leaf 12 can be fixed by screws, welding, riveting, or adhesive, etc. Optionally, please refer to [link / reference]. Figure 4 and Figure 8 In some embodiments, the second fixed connection portion 213 of the second fireproof bracket 21b is welded to the rear door panel of the second door leaf 12b.

[0065] The width of the fire-resistant expansion seal strip 22 is typically greater than the door gap 13; alternatively, please refer to [link / reference needed]. Figures 3 to 5 In some embodiments, the width of the first fire-resistant expansion sealing strip 22a is greater than the width of the first door gap 13a, and the width of the second fire-resistant expansion sealing strip 22b is greater than the width of the second door gap 13b. This arrangement of the widths of the fire-resistant expansion sealing strips 22a and 22b allows the heat-expanding first fire-resistant expansion sealing strip 22a to effectively seal the first door gap 13a, and also allows the heat-expanding second fire-resistant expansion sealing strip 22b to effectively seal the second door gap 13b.

[0066] Optionally, please refer to Figures 3 to 5 In some embodiments, the door leaf 12 includes a first panel 121, a second panel 122 and a heat insulation layer 123; the second panel 122 is located on the side of the first panel 121 near the fire door frame assembly 2, and the heat insulation layer 123 is provided between the second panel 122 and the first panel 121.

[0067] Specifically, the first panel 121 is the front panel of the door leaf 12, forming the unexposed surface of the door leaf 12, and the second panel 122 is the rear panel of the door leaf 12, forming the exposed surface of the door leaf 12. Both the first panel 121 and the second panel 122 can be made of one or more fire-resistant boards. For example, both the first panel 121 and the second panel 122 can include at least one of zinc alloy plate, magnesium oxide plate, carbon steel plate, and stainless steel plate. Optionally, in this embodiment, both the first panel 121 and the second panel 122 are composed of zinc alloy plate and magnesium oxide plate.

[0068] A heat insulation layer 123 is provided between the first panel 121 and the second panel 122. The heat insulation layer 123 may include at least one of the following: a rock wool layer, an aluminum silicate layer, a nanocomposite material layer, a fireproof board, and a perlite layer. For example, the heat insulation layer 123 may be a perlite layer; alternatively, the heat insulation layer 123 may be a 5-15mm fireproof board (magnesium oxide board or silicate board) + a rock wool layer. By filling the interior of the door leaf 12 with a heat insulation layer 123 of high thermal resistance material, the integrity and heat insulation of the door leaf 12 can be effectively guaranteed when exposed to fire, which helps to prevent the spread of fire.

[0069] Optionally, please refer to Figures 3 to 5 In some embodiments, the door leaf 12 further includes a door leaf frame 124, which is disposed between the first panel 121 and the second panel 122. The heat insulation layer 123 is filled between the door leaf frame 124, the first panel 121, the second panel 122, and inside the door leaf frame 124.

[0070] Specifically, the first panel 121 and the second panel 122 can be connected by welding rectangular tubes to form a door leaf frame 124. The door leaf frame 124 can effectively resist the heat deformation of the door leaf 12 and effectively prevent the fire source from leaking out. The door leaf frame 124 is usually a C-shaped beam or a rectangular tube, so the interior of the door leaf frame 124 can also be filled with a heat insulation layer 123.

[0071] Optionally, please refer to Figure 3 and Figure 5 In some embodiments, the door frame 11 is filled with a filling material 111.

[0072] Specifically, the door frame 11 is a hollow structure, and the door frame 11 is filled with a high thermal resistance filling material 111. This can effectively ensure the integrity and heat insulation of the door frame 11 when exposed to fire, which is conducive to preventing the spread of fire.

[0073] Optionally, please refer to Figure 1 , Figures 3 to 5In some embodiments, the protective door 100 further includes a sealing component 3, which is disposed on the side of the protective door body 1 away from the fireproof door frame assembly 2 in the opening and closing direction of the door leaf 12, corresponding to the door gap 13. The sealing component 3 seals the door gap 13 when the door leaf 12 is closed. In this way, when the door leaf 12 is closed, the door gap 13 can be sealed from the front and rear sides by the sealing component 3 and the fireproof door frame assembly 2, respectively.

[0074] This utility model also provides an energy storage container, which includes a protective door. Since the protective door adopts the technical solution of the above embodiments, it has the beneficial effects brought about by the technical solution of the above embodiments.

[0075] The energy storage container also includes a container body, and the door frame 11 of the protective door 100 is installed on the container body. The fireproof door frame assembly 2 of the protective door 100 is located on the side of the door frame 11 closer to the inside of the container body. A door opening is provided through the front and back of the container body, and the door frame 11 is located at the door opening of the container body. The door opening of the container body can be opened and closed through the door leaf 12.

[0076] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of the specification and drawings of this utility model, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A protective door, characterized in that, include: The protective door body includes a door frame and a door leaf, the door leaf being openable and closable on the door frame, and the protective door body having a door gap; A fireproof door frame assembly is provided on one side of the protective door body in the opening and closing direction of the door leaf, corresponding to the door gap. The fireproof door frame assembly includes a fireproof bracket and a fireproof expansion sealing strip. The fireproof bracket is provided on the protective door body, and the fireproof expansion sealing strip is provided on the fireproof bracket. The fireproof expansion sealing strip is located on the side of the fireproof bracket closer to the door gap.

2. The protective door according to claim 1, characterized in that, The fireproof bracket is fixed to the main body of the protective door by screwing, welding, riveting, or adhesive.

3. The protective door according to claim 1, characterized in that, The fireproof bracket is provided with a mounting groove facing the door seam, and the fireproof expansion sealing strip is disposed in the mounting groove.

4. The protective door according to claim 1, characterized in that, The door gap includes a first door gap located between the door frame and the door leaf, and the fireproof door frame assembly includes a first fireproof door frame assembly corresponding to the first door gap; and / or The door leaf includes a first door leaf and a second door leaf, both ends of the first door leaf and the second door leaf that are far apart from each other are rotatably mounted on the door frame, the door gap includes a second door gap located between the ends of the first door leaf and the second door leaf that are close to each other, and the fireproof door frame assembly includes a second fireproof door frame assembly corresponding to the second door gap.

5. The protective door according to claim 4, characterized in that, In the first fireproof door frame assembly, a portion of the fireproof bracket extends into the first door gap to form a first fixed connection portion, which is fitted and fixed to the inner circumferential side of the door frame.

6. The protective door according to claim 4, characterized in that, In the second fireproof door frame assembly, the fireproof bracket includes a second fixed connection part, which is attached and fixed to the first door leaf or the second door leaf near the door panel surface of the second fireproof door frame assembly.

7. The protective door according to any one of claims 1-6, characterized in that, The phylum leaf includes: First panel; The second panel is located on the side of the first panel near the fire door frame assembly, and a heat insulation layer is provided between the second panel and the first panel.

8. The protective door according to claim 7, characterized in that, Both the first panel and the second panel comprise at least one of zinc alloy plate, magnesium oxide plate, carbon steel plate, and stainless steel plate; and / or, The insulation layer includes at least one of the following: rock wool layer, aluminum silicate layer, nanocomposite material layer, fireproof board, and perlite layer.

9. The protective door according to claim 7, characterized in that, The door leaf also includes a door leaf frame, which is disposed between the first panel and the second panel. The heat insulation layer is filled between the door leaf frame, the first panel, the second panel, and inside the door leaf frame.

10. An energy storage container, characterized in that, include: Box; A protective door, wherein the protective door is as described in any one of claims 1-9, the door frame of the protective door is disposed on the housing, and the fireproof door frame assembly of the protective door is located on the side of the door frame closer to the interior of the housing.