Combined steel door frame

By designing a combined steel door frame, using the assembly method of work-shaped plates and work-shaped grooves and the fixed structure of the installation and disassembly components, the problem of inconvenient combination and transportation of existing steel fire-proof doors is solved, and the rapid disassembly and stable installation of door frames is achieved.

CN222731373UActive Publication Date: 2025-04-08HAVIS (ZHEJIANG) CONSTR TECH CO LTD
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Patent Information

Application Number
CN202420400198.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-02
Publication Date
2025-04-08
Estimated Expiration
2034-03-02

AI Technical Summary

Technical Problem

The existing steel fire doors are inconvenient to combine, resulting in transportation troubles and affecting the work efficiency and installation efficiency of staff.

Method used

A combined steel door frame is designed, including the upper door frame, the lower door frame, the connecting column and the installation and disassembly assembly. It is assembled and disassembled through the workpiece plate and the workpiece groove, and the installation and disassembly assembly is used to make the door frame more stable during installation.

Benefits of technology

It realizes rapid disassembly and assembly of door frames during transportation, facilitates transportation, and avoids shaking during installation, improving work efficiency and installation stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222731373U_ABST
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Abstract

The present invention provides a combined steel door frame, including a fire door, and also includes an upper door frame provided above the fire door, a lower door frame provided below the fire door, and connecting columns provided on both sides of the fire door, wherein the connecting columns are clamped on both sides of the upper door frame and the lower door frame, and the fire door is opened and closed on the upper door frame and the lower door frame, and installation and disassembly components are symmetrically fixedly connected to the connecting columns, and the installation and disassembly components are fixedly connected to the upper door frame and the lower door frame. The utility model belongs to the technical field of steel door frames, and specifically refers to a combined steel door frame, which can be quickly disassembled and assembled during transportation, so that the staff can transport the door frame conveniently, making it more stable during installation and avoiding shaking during installation and use.
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Description

Technical Field

[0001] The utility model belongs to the technical field of steel door frames, in particular to a combined steel door frame. Background Art

[0002] Fire doors that have passed the fire resistance test method of the fire door accredited by the Ministry of Fire Affairs and the Ministry of Economic Affairs, and have obtained the verification registration certificate and authorization mark issued by the Bureau of Standards, Metrology and Inspection of the Ministry of Economic Affairs, are called fire doors. Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. They are fire-resistant partitions with a certain degree of fire resistance installed between fire compartments, evacuation stairwells, vertical shafts, etc. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel.

[0003] When installing doors and windows in public places, steel fire doors need to be installed. The existing steel fire doors have the following disadvantages: the existing steel fire doors are not convenient to assemble, which leads to the steel fire doors being more troublesome to transport due to their large size, affecting the work efficiency of the staff and reducing the installation efficiency. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a modular steel door frame, which can be quickly disassembled and assembled during transportation, making it convenient for staff to transport the door frame, making it more stable during installation, and avoiding shaking during installation and use.

[0005] The technical solution adopted by the utility model is as follows: This solution provides a combined steel door frame, including a fire door, and also includes an upper door frame provided above the fire door, a lower door frame provided below the fire door, and connecting columns provided on both sides of the fire door, the connecting columns are clamped on both sides of the upper door frame and the lower door frame, the fire door is opened and closed on the upper door frame and the lower door frame, and the connecting columns are symmetrically fixedly connected with installation and disassembly components, and the installation and disassembly components are fixedly connected to the upper door frame and the lower door frame.

[0006] Preferably, the installation and disassembly assembly includes a connecting seat fixedly connected on the connecting column, a connecting shell fixedly connected on the upper door frame and the lower door frame, the connecting shell and the connecting seat are positioned opposite to each other, a sliding plate is slidably connected in the connecting shell, a guide rod is fixedly connected in the connecting shell, a push plate is slidably connected on the guide rod, a spring is provided between the push plates on both sides, the spring is sleeved on the guide rod, both ends of the spring are fixedly connected to the push plates on both sides, connecting rods are symmetrically hinged on the sliding plate, the other end of the connecting rod is hinged on the push plate, and clamping columns are evenly fixedly connected on the push plate, the other end of the clamping column is conically set, and the clamping column can be slid out of the connecting shell.

[0007] Preferably, a connecting groove is provided in the connecting seat, the connecting groove cooperates with the connecting shell, and clamping grooves are evenly provided on both sides of the connecting groove, and the clamping grooves cooperate with the clamping columns.

[0008] Preferably, a pulling plate is slidably connected in the connecting shell, a pushing column is symmetrically fixedly connected to the pulling plate, and the other end of the pushing column is fixedly connected to the sliding plate.

[0009] Preferably, both ends of the connecting column are fixedly connected with I-shaped plates, and both sides of the upper door frame are provided with I-shaped grooves, the I-shaped grooves are opposite to the I-shaped plates, and the I-shaped grooves cooperate with the I-shaped plates.

[0010] Preferably, a hinge is symmetrically fixedly connected to one side of the fire door, and the other side of the hinge is fixedly connected to one side of the upper door frame and the lower door frame. A clamping plate 21 is symmetrically fixedly connected to the upper door frame and the lower door frame, and a password lock is fixedly connected to the fire door and the lower door frame.

[0011] The beneficial effects achieved by the utility model using the above structure are as follows:

[0012] 1. The upper door frame, lower door frame and connecting column are assembled through the I-shaped plate and I-shaped groove. During transportation, the door frame can be quickly disassembled and assembled, which is convenient for the staff to transport the door frame;

[0013] 2. Re-install the door frame by installing and disassembling the components, so that the upper door frame, lower door frame and connecting columns are assembled and installed more stably to avoid shaking during installation and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure from another perspective of this scheme;

[0016] Figure 3 This is a schematic diagram of the installation and disassembly component structure of this solution.

[0017] Among them, 1. upper door frame, 2. lower door frame, 3. connecting column, 4. fire door, 5. installation and disassembly assembly, 6. connecting shell, 7. connecting seat, 8. sliding plate, 9. pushing plate, 10. guide rod, 11. connecting rod, 12. spring, 13. snap-on column, 14. connecting groove, 15. snap-on groove, 16. pulling plate, 17. pushing column, 18. I-shaped plate, 19. I-shaped groove, 20. hinge, 21. card plate, 22. combination lock.

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] like Figure 1-Figure 3 As shown, the present scheme is a combined steel door frame, including a fire door 4, and also including an upper door frame 1 provided above the fire door 4, a lower door frame 2 provided below the fire door 4, and connecting columns 3 provided on both sides of the fire door 4, the connecting columns 3 are clamped on both sides of the upper door frame 1 and the lower door frame 2, the fire door 4 is opened and closed on the upper door frame 1 and the lower door frame 2, and the connecting columns 3 are symmetrically fixedly connected with installation and disassembly components 5, and the installation and disassembly components 5 are fixedly connected to the upper door frame 1 and the lower door frame 2, one side of the fire door 4 is symmetrically fixedly connected with a hinge 20, and the other side of the hinge 20 is fixedly connected to one side of the upper door frame 1 and the lower door frame 2, the upper door frame 1 and the lower door frame 2 are symmetrically fixedly connected with a card plate 21, and the fire door 4 and the lower door frame 2 are fixedly connected with a password lock 22.

[0021] Among them, Figure 3 As shown, the installation and disassembly component 5 includes a connecting seat 7 fixedly connected to the connecting column 3, a connecting shell 6 fixedly connected to the upper door frame 1 and the lower door frame 2, the connecting shell 6 is opposite to the connecting seat 7, a sliding plate 8 is slidably connected in the connecting shell 6, a guide rod 10 is fixedly connected in the connecting shell 6, a push plate 9 is slidably connected on the guide rod 10, a spring 12 is provided between the push plates 9 on both sides, the spring 12 is sleeved on the guide rod 10, both ends of the spring 12 are fixedly connected to the push plates 9 on both sides, a connecting rod 11 is symmetrically hinged on the sliding plate 8, the other end of the connecting rod 11 is hinged on the push plate 9, a clamping column 13 is evenly fixedly connected to the push plate 9, the other end of the clamping column 13 is conically set, and the clamping column 13 can slide out of the connecting shell 6.

[0022] like Figure 3 As shown, a connecting groove 14 is provided in the connecting seat 7 , and the connecting groove 14 matches the connecting shell 6 . Clamping grooves 15 are evenly provided on both sides of the connecting groove 14 , and the clamping grooves 15 match the clamping columns 13 .

[0023] like Figure 3As shown, a pulling plate 16 is slidably connected inside the connecting shell 6 , a pushing column 17 is symmetrically fixedly connected to the pulling plate 16 , and the other end of the pushing column 17 is fixedly connected to the sliding plate 8 .

[0024] like Figure 2 As shown, I-shaped plates 18 are fixedly connected to both ends of the connecting column 3 , and I-shaped grooves 19 are provided on both sides of the upper door frame 1 . The I-shaped grooves 19 are opposite to the I-shaped plates 18 , and the I-shaped grooves 19 cooperate with the I-shaped plates 18 .

[0025] In the first embodiment, the I-shaped plate 18 on the connecting column 3 is matched with the I-shaped groove 19 in the upper door frame 1 and the lower door frame 2. During transportation, the door frame can be quickly disassembled and assembled, which is convenient for the staff to transport the door frame. Then, the pulling plate 16 is pulled, and the pulling plate 16 drives the pushing column 17 to move. The pushing column 17 drives the sliding plate 8 to move. The sliding plate 8 drives the connecting rod 11 to move. The connecting rod 11 drives the pushing plate 9 to move on the guide rod 10. The pushing plates 9 on both sides compress the spring 12, and then the pushing plate 9 drives the clamping column 13 to move into the connecting shell 6. Then the connecting groove 14 cooperates with the connecting shell 6, and then the pulling plate 16 is released. Then the spring 12 is reset, and the spring 12 drives the pushing plates 9 on both sides to move. The pushing plate 9 drives the clamping column 13 to move. The clamping column 13 cooperates with the clamping groove 15, so that the upper door frame 1, the lower door frame 2 and the connecting column 3 are assembled and installed more stably to avoid shaking during installation and use.

[0026] Embodiment 2: This embodiment is installed and used based on the previous embodiment.

[0027] Specifically, the installed door frame is installed in a suitable position, and then the hinge 20 is connected to one side of the upper door frame 1 and the lower door frame 2, and the other side of the hinge 20 is connected to the fire door 4, and then the combination lock 22 is connected to the fire door 4 and the lower door frame 2.

[0028] The above description of the utility model and its implementation methods is not restrictive. The drawings are only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A modular steel door frame, including a fire door, characterized in that: It also includes an upper door frame provided above the fire door, a lower door frame provided below the fire door, and connecting columns provided on both sides of the fire door, the connecting columns are clamped on both sides of the upper door frame and the lower door frame, the fire door is opened and closed on the upper door frame and the lower door frame, and the connecting columns are symmetrically fixedly connected with installation and removal components, and the installation and removal components are fixedly connected to the upper door frame and the lower door frame; The installation and disassembly assembly includes a connecting seat fixedly connected on the connecting column, a connecting shell fixedly connected on the upper door frame and the lower door frame, the connecting shell is opposite to the connecting seat, a sliding plate is slidably connected in the connecting shell, a guide rod is fixedly connected in the connecting shell, a push plate is slidably connected on the guide rod, a spring is provided between the push plates on both sides, the spring is sleeved on the guide rod, both ends of the spring are fixedly connected to the push plates on both sides, connecting rods are symmetrically hinged on the sliding plate, the other end of the connecting rod is hinged on the push plate, and clamping columns are evenly fixedly connected on the push plate, the other end of the clamping column is conically set, and the clamping column can be slid out of the connecting shell.

2. A combined steel door frame according to claim 1, characterized in that: A connecting groove is arranged in the connecting seat, and the connecting groove cooperates with the connecting shell. Clamping grooves are evenly arranged on both sides of the connecting groove, and the clamping grooves cooperate with the clamping columns.

3. A combined steel door frame according to claim 2, characterized in that: A pulling plate is slidably connected in the connecting shell, a pushing column is symmetrically fixedly connected on the pulling plate, and the other end of the pushing column is fixedly connected to the sliding plate.

4. A combined steel door frame according to claim 3, characterized in that: I-shaped plates are fixedly connected at both ends of the connecting column, and I-shaped grooves are arranged on both sides of the upper door frame. The I-shaped grooves are opposite to the I-shaped plates, and the I-shaped grooves cooperate with the I-shaped plates.

5. A combined steel door frame according to claim 4, characterized in that: A hinge is symmetrically fixedly connected to one side of the fireproof door, and the other side of the hinge is fixedly connected to one side of the upper door frame and the lower door frame. A clamp is symmetrically fixedly connected to the upper door frame and the lower door frame, and a password lock is fixedly connected to the fireproof door and the lower door frame.