Steel thermal insulation door

Through components such as rotating rods, connecting rods, spring telescopic rods and strong magnets, the problem of insufficient sealing and thermal insulation performance of steel insulated doors is solved, better sealing and thermal insulation effects are achieved, and convenient replacement of sealing gaskets is supported.

CN223317728UActive Publication Date: 2025-09-09SHANGHAI JUNTONG DOOR CO LTD
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Patent Information

Application Number
CN202422350440.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-09-09
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

There is a gap between the door leaf and the door frame of the existing steel insulated door, which causes external dust and air to flow into the room, affecting the indoor environment, and the sealing and thermal insulation performance are insufficient.

Method used

It uses components such as rotating rods, connecting rods, spring telescopic rods, strong magnets and sealing gaskets. The spring telescopic rods drive the connecting plate to move, and the strong magnets adsorb the mounting plate to achieve the fit between the sealing gasket and the door panel, increasing the airtightness, and improving the thermal insulation performance through the insulation board.

Benefits of technology

It effectively prevents external dust and air from entering the room, improves the sealing and thermal insulation performance, and the sealing gasket can be easily replaced to enhance the practicality of the door.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223317728U_ABST
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Abstract

The utility model discloses a steel heat preservation door which comprises a door frame, a rotating rod is rotationally installed on the outer wall of the door frame through a fixing mechanism, a door plate is fixedly installed on the outer wall of the rotating rod through a connecting mechanism, a heat preservation plate is fixedly installed in the door plate, a handle is fixedly installed on the outer wall of the door plate, and connecting grooves are formed in the four sides of the inner wall of the door frame. And a connecting plate is fixedly mounted on the inner wall of each connecting groove through a telescopic mechanism. According to the steel door, the heat preservation plate, the connecting groove, the sealing gaskets and other assemblies are arranged, the connecting plate can be driven to move under the action of the spring telescopic rod, the mounting plate can be driven to move and get close to the side wall of the door plate, the mounting plate can drive the sealing gaskets to be attached to the inner walls of the four sides of the door plate at the moment, and the sealing performance of the steel door can be improved through cooperation of the sealing gaskets; accordingly, external dust and air can be prevented from flowing into a room through gaps in the two sides, pollution to the indoor environment is avoided, and the heat preservation performance of the steel door can be improved through the heat preservation effect of the heat preservation plate.
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Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation doors, in particular to a steel thermal insulation door. Background Art

[0002] Insulated doors are doors with thermal insulation and fireproof properties. They are often used for thermal insulation partitions and safe entrances and exits in factories, warehouses and other places. This type of door is made of high-strength steel and is sprayed with anti-rust and anti-corrosion coating on the surface. It can be used for a long time under different climatic conditions.

[0003] Steel insulated doors are commonly used in factories, which need such steel doors to mitigate the impact of outdoor temperatures on the interior. In the existing technology, most steel doors are ordinary four-sided doorframe steel doors. After the door leaf is closed, there is still a gap between the door leaf and the door frame. The thermal insulation and sealing performance is not particularly ideal, and it is easy for external dust and air to flow into the room through the gaps on both sides, causing pollution to the indoor environment. The practicality is insufficient. Therefore, it is necessary to redesign the steel insulated doors to address the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to provide a steel thermal insulation door.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A steel insulated door comprises a door frame, an outer wall of the door frame is rotatably mounted with a rotating rod via a fixing mechanism, an outer wall of the rotating rod is fixedly mounted with a door panel via a connecting mechanism, an insulation panel is fixedly mounted inside the door panel, a handle is fixedly mounted on the outer wall of the door panel, connecting grooves are provided on all four sides of the inner wall of the door frame, a connecting plate is fixedly mounted on the inner wall of each connecting groove via a telescopic mechanism, two openings are provided on the outer wall of each connecting plate, iron blocks are fixedly mounted on the inner walls of the two openings, and a mounting plate is slidably mounted on the outer wall of each iron block via a magnetic attraction mechanism.

[0007] Preferably, the fixing mechanism comprises two fixing plates fixedly mounted on the outer wall of the door frame, and the rotating rod is rotatably mounted between the two fixing plates.

[0008] Preferably, the connecting mechanism comprises two connecting rods fixedly mounted on the outer wall of the rotating rod, and ends of the two connecting rods are fixedly connected to the outer wall of the door panel.

[0009] Preferably, the telescopic mechanism comprises a spring telescopic rod fixedly mounted on the inner wall of the connecting groove, and the telescopic end of the spring telescopic rod is fixedly connected to the outer wall of the connecting plate.

[0010] Preferably, the magnetic attraction mechanism includes a strong magnet slidably mounted on the outer wall of the iron block, and the mounting plate is slidably mounted on the outer wall of the strong magnet.

[0011] Preferably, a sealing gasket is fixedly mounted on the outer wall of each mounting plate, and each sealing gasket is made of rubber.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting up components such as insulation boards, connecting grooves and sealing gaskets, the connecting board can be driven to move under the action of the spring telescopic rod, thereby driving the installation board to move and approach the side walls of the door panel. At this time, the installation board can drive the sealing gasket to fit the inner walls of the four sides of the door panel. The cooperation between the sealing gaskets can increase the airtightness of the steel door, thereby preventing external dust and air from flowing into the room through the gaps on both sides, avoiding pollution to the indoor environment. The thermal insulation effect of the insulation board can improve the thermal insulation performance of the steel door.

[0014] 2. By setting up components such as an iron block, a strong magnet and a mounting plate, the iron block can adsorb the strong magnet, and the sealing gasket on the mounting plate can be installed under the magnetic attraction of the strong magnet. When the surface of the sealing gasket is worn and needs to be replaced, the control of the mounting plate can be released by the cooperation of the iron block and the strong magnet, thereby realizing convenient replacement of the sealing gasket. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of the steel thermal insulation door proposed in this utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the vertical cross-section structure;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the steel thermal insulation door proposed in the present invention;

[0018] Figure 4 for Figure 2 A schematic diagram of the structure enlargement at point A;

[0019] Figure 5 for Figure 3 A magnified schematic diagram of the structure at point B in FIG.

[0020] In the figure: 1 door frame, 2 fixed plate, 3 rotating rod, 4 connecting rod, 5 door panel, 6 insulation board, 7 handle, 8 connecting groove, 9 spring telescopic rod, 10 connecting plate, 11 iron block, 12 strong magnet, 13 mounting plate, 14 sealing gasket. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Reference Figure 1-5 The steel insulated door comprises a door frame 1, the outer wall of the door frame 1 is rotatably installed with a rotating rod 3 through a fixing mechanism, the fixing mechanism comprises two fixed plates 2 fixedly installed on the outer wall of the door frame 1, the rotating rod 3 is rotatably installed between the two fixed plates 2, and the outer wall of the rotating rod 3 is fixedly installed with a door panel 5 through a connecting mechanism, the connecting mechanism comprises two connecting rods 4 fixedly installed on the outer wall of the rotating rod 3, the ends of the two connecting rods 4 are fixedly connected to the outer wall of the door panel 5, and an insulation board 6 is fixedly installed inside the door panel 5. The insulation board 6 is a board with insulation effect, which is mainly used for wall decoration. It is made by heating and mixing materials such as polystyrene resin and polymer and then injecting a catalyst. It has moisture-proof and waterproof properties. At the same time, it has excellent performance in fire resistance, heat preservation and strength. It is environmentally friendly, not easy to break and has a long service life. A handle 7 is fixedly installed on the outer wall of the door panel 5.

[0023] The inner wall of the door frame 1 is provided with connecting grooves 8 on all four sides, and a connecting plate 10 is fixedly installed on the inner wall of each connecting groove 8 through a telescopic mechanism. The telescopic mechanism includes a spring telescopic rod 9 fixedly installed on the inner wall of the connecting groove 8. The spring telescopic rod 9 is a household item that uses the built-in pressure of the spring to achieve the telescopic function. It mainly relies on the metal strip or plastic sheet to be pre-shaped into an elastic curling layer with a memory function that is smaller than the outer diameter of the rod, so that it has a self-tightening function, so that the curling layer always has elastic potential energy to apply pressure to the telescopic rod. The telescopic end of the spring telescopic rod 9 is fixedly connected to the outer wall of the connecting plate 10. The outer wall of each connecting plate 10 is provided with two openings, and the inner walls of the two openings are fixedly installed There is an iron block 11, and a mounting plate 13 is slidably installed on the outer wall of each iron block 11 through a magnetic attraction mechanism. The magnetic attraction mechanism includes a strong magnet 12 slidably installed on the outer wall of the iron block 11. The strong magnet 12 is a tool with strong magnetism that can absorb various metal objects. It uses a magnet made of strong magnetic material to absorb metal substances such as iron, cobalt, and nickel. The mounting plate 13 is slidably installed on the outer wall of the strong magnet 12. A sealing gasket 14 is fixedly installed on the outer wall of each mounting plate 13. Each sealing gasket 14 is made of rubber. The rubber material has good elasticity and softness, which enables it to form a closer contact between the surface and the object, thereby increasing friction and improving the friction coefficient.

[0024] When the utility model is used, when the door panel 5 is closed, if the seal between the four outer walls of the door panel 5 and the four inner walls of the door frame 1 is unreliable, the connecting plate 10 can be driven to move under the telescopic action of the spring telescopic rod 9. When the connecting plate 10 moves, the mounting plate 13 can be driven to move by the cooperation of the iron block 11 and the strong magnet 12. The movement of the mounting plate 13 can drive the sealing gasket 14 on its surface to move and fit the four outer walls of the door panel 5, thereby increasing the sealing between the sealing gasket 14 fixed on the four sides of the inner wall of the door frame 1 and the door panel 5, and preventing external Dust and air flow into the room through the gaps on both sides, avoiding pollution to the indoor environment. When the sealing gasket 14 is worn, it can be moved with the help of the telescopic effect of the spring telescopic rod 9. Since the sealing gasket 14 is set at an angle, the angle of the sealing gasket 14 increases the airtightness between the door panel 5. When the sealing gasket 14 is damaged and cannot be used, the two can be separated by the magnetic force of the iron block 11 and the strong magnet 12. After separation, the sealing gasket 14 on the mounting plate 13 can be replaced, thereby realizing the rapid replacement of the sealing gasket 14;

[0025] At the same time, the door panel 5 can be driven to rotate and open or close by cooperating with the rotating rod 3 and the two connecting rods 4. Then the insulation board 6 cooperates with the corrosion-resistant door panel 5. During the opening or closing process, the overall structural strength is very good, making the steel door more impactful. At the same time, the steel door as a whole has good thermal insulation performance while being airtight, thereby effectively improving the practicality of the steel door.

[0026] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steel thermal insulation door, comprising a door frame (1), characterized in that: The outer wall of the door frame (1) is rotatably mounted with a rotating rod (3) through a fixing mechanism, the outer wall of the rotating rod (3) is fixedly mounted with a door panel (5) through a connecting mechanism, a heat preservation plate (6) is fixedly mounted inside the door panel (5), and a handle (7) is fixedly mounted on the outer wall of the door panel (5). Connecting grooves (8) are provided on four sides of the inner wall of the door frame (1), and a connecting plate (10) is fixedly mounted on the inner wall of each connecting groove (8) through a telescopic mechanism. The outer wall of each connecting plate (10) is provided with two openings, and an iron block (11) is fixedly mounted on the inner wall of the two openings, and a mounting plate (13) is slidably mounted on the outer wall of each iron block (11) through a magnetic attraction mechanism.

2. The steel thermal insulation door according to claim 1, characterized in that: The fixing mechanism comprises two fixing plates (2) fixedly mounted on the outer wall of the door frame (1), and the rotating rod (3) is rotatably mounted between the two fixing plates (2).

3. The steel thermal insulation door according to claim 2, characterized in that: The connecting mechanism comprises two connecting rods (4) fixedly mounted on the outer wall of the rotating rod (3), and the ends of the two connecting rods (4) are fixedly connected to the outer wall of the door panel (5).

4. The steel thermal insulation door according to claim 3, characterized in that: The telescopic mechanism comprises a spring telescopic rod (9) fixedly mounted on the inner wall of the connecting groove (8), and the telescopic end of the spring telescopic rod (9) is fixedly connected to the outer wall of the connecting plate (10).

5. The steel thermal insulation door according to claim 4, characterized in that: The magnetic attraction mechanism comprises a strong magnet (12) slidably mounted on the outer wall of the iron block (11), and the mounting plate (13) is slidably mounted on the outer wall of the strong magnet (12).

6. The steel thermal insulation door according to claim 5, characterized in that: A sealing gasket (14) is fixedly mounted on the outer wall of each mounting plate (13), and each sealing gasket (14) is made of rubber.