Steel door

Abstract

The utility model belongs to the technical field of fireproof doors, and particularly relates to a steel door which comprises a door body, a fireproof assembly and a door frame, the door body and the fireproof assembly are both arranged in the door frame, and the door body is connected with the fireproof assembly and rotationally connected with the door frame. The fireproof assembly comprises a first fireproof door, a second fireproof door and a third fireproof door, the first fireproof door, the second fireproof door and the third fireproof door are sequentially connected, and the third fireproof door is connected with the door body. Three hinges are arranged on the door main body, the three hinges are fixedly connected with the door main body and the door frame respectively, the door main body is rotatably connected with the door frame through the hinges, and the hinges are made of steel. According to the steel door, the door body, the first fireproof door body, the second fireproof door body and the third fireproof door body sequentially form the multiple fireproof lines, fire can be effectively blocked, fire spreading is prevented, and safety is improved.

Description

Technical Field

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

[0002] 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 installed between fire compartments, evacuation stairwells, and vertical shafts. They are fireproof partitions with a certain degree of fire resistance. 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. Most of the existing fire doors use a combination of a steel plate and a steel door frame. However, this combination is difficult to block the fire when facing a relatively large fire, and the steel plate is easily burned through by the fire, causing safety hazards. Utility Model Content

[0003] The utility model aims to provide a steel door, aiming to solve the technical problem in the prior art that the steel plate is easily burned through by a fire, thus causing potential safety hazards.

[0004] To achieve the above-mentioned purpose, the steel door provided in the embodiment of the utility model comprises a door body, a fireproof component and a door frame, wherein the door body and the fireproof component are both arranged in the door frame, the door body is connected to the fireproof component and is rotatably connected to the door frame;

[0005] The fireproof assembly includes a first fireproof door, a second fireproof door and a third fireproof door. The first fireproof door, the second fireproof door and the third fireproof door are arranged and connected in sequence, and the third fireproof door is connected to the door body.

[0006] As an optional solution of the present invention, the door body is provided with hinges, and there are three hinges. The three hinges are respectively fixedly connected to the door body and the door frame. The door body is rotatably connected to the door frame through the hinges, and the hinges are made of steel.

[0007] As an optional solution of the present invention, a door blocker is provided on the inner side of the door body, and the door blocker is fixedly connected to the door body and the door frame respectively, and the material of the door blocker is steel.

[0008] As an optional solution of the present invention, a door lock is fixedly connected to the door body, one end of the door lock is inserted into the door frame, and the material of the door lock is steel.

[0009] As an optional solution of the present invention, the first fire door, the second fire door and the third fire door are each provided with positioning holes, the positioning holes are arranged to overlap, the door lock passes through the positioning holes and is fixedly connected to the first fire door, the second fire door and the third fire door in sequence.

[0010] As an optional solution of the present invention, the door body, the first fire door, the second fire door, the third fire door and the door frame are made of steel.

[0011] The above one or more technical solutions in the steel door provided by the embodiment of the utility model have at least one of the following technical effects:

[0012] The steel door provided in the present application includes a door body, a fireproof component and a door frame. The fireproof component includes a first fireproof door, a second fireproof door and a third fireproof door. The door body, the first fireproof door, the second fireproof door and the third fireproof door form multiple fireproof lines in sequence, which can effectively block the fire, prevent the fire from spreading, and improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 A schematic structural diagram of a steel door provided in an embodiment of the utility model.

[0015] Figure 2 A schematic structural diagram of a steel door provided in an embodiment of the utility model.

[0016] Figure 3 A schematic structural diagram of a steel door provided in an embodiment of the utility model.

[0017] Among them, the reference numerals in the figure are:

[0018] 1. Door body; 2. Fireproof components; 3. Door frame; 4. Hinge; 5. Door blocker; 6. Door lock;

[0019] 21. First fire door; 22. Second fire door; 23. Third fire door; 24. Positioning hole. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0024] In one embodiment of the present invention, Figures 1 to 3 As shown, a steel door is provided, including a door body 1, a fireproof assembly 2 and a door frame 3. The door body 1 and the fireproof assembly 2 are both arranged in the door frame 3. The door body 1 is connected to the fireproof assembly 2 and is rotatably connected to the door frame 3. The fireproof assembly 2 includes a first fireproof door 21, a second fireproof door 22 and a third fireproof door 23. The first fireproof door 21, the second fireproof door 22 and the third fireproof door 23 are arranged in sequence and fixedly connected in sequence. The third fireproof door 23 is fixedly connected to the door body 1. The steel door provided in the present application, the door body 1, the first fireproof door 21, the second fireproof door 22, and the third fireproof door 23 form multiple fireproof lines in sequence, which can effectively block the fire, prevent the fire from spreading, and improve safety.

[0025] In another embodiment of the utility model, the door body 1 of the steel door is provided with hinges 4, and there are three hinges 4, which are respectively fixedly connected to the door body 1 and the door frame 3, and the door body 1 is rotatably connected to the door frame 3 through the hinges 4. The material of the hinges 4 is steel, which has a flame retardant effect. The stability of the connection between the door body 1 and the door frame 3 is improved by providing three hinges 4.

[0026] In another embodiment of the utility model, a door blocker 5 is provided inside the door body 1 of the steel door, and the door blocker 5 is fixedly connected to the door body 1 and the door frame 3 respectively. The material of the door blocker 5 is steel, which has a flame retardant effect. The door blocker 5 can realize the normal closing of the door body 1, thereby effectively blocking the fire.

[0027] In another embodiment of the utility model, a door lock 6 is fixedly connected to the door body 1 of the steel door, one end of the door lock 6 is inserted into the door frame 3, and the material of the door lock 6 is steel with flame retardant effect. The door lock 6 can realize the locking and opening of the door body 1 and the door frame 3.

[0028] In another embodiment of the utility model, the first fire door 21, the second fire door 22 and the third fire door 23 of the steel door are each provided with a positioning hole 24, and the positioning holes 24 are arranged to overlap. The door lock 6 passes through the positioning hole 24 and is fixedly connected to the first fire door 21, the second fire door 22 and the third fire door 23 in sequence, thereby fixing the first fire door 21, the second fire door 22 and the third fire door 23 to the door body 1.

[0029] In another embodiment of the present invention, the door body 1, the first fire door 21, the second fire door 22, the third fire door 23 and the door frame 3 of the steel door are made of steel and have a flame retardant effect.

[0030] The steel door provided in the present application, the door body 1, the first fire door 21, the second fire door 22, and the third fire door 23 sequentially form multiple fire lines, which can effectively block the fire, prevent the fire from spreading, and improve safety.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel door, characterized in that: It comprises a door body, a fireproof component and a door frame, wherein the door body and the fireproof component are both arranged in the door frame, and the door body is connected to the fireproof component and is rotatably connected to the door frame; The fireproof assembly includes a first fireproof door, a second fireproof door and a third fireproof door. The first fireproof door, the second fireproof door and the third fireproof door are arranged and connected in sequence, and the third fireproof door is connected to the door body.

2. A steel door according to claim 1, characterized in that: The door body is provided with hinges, wherein there are three hinges, and the three hinges are respectively fixedly connected to the door body and the door frame. The door body is rotatably connected to the door frame through the hinges, and the hinges are made of steel.

3. A steel door according to claim 1, characterized in that: A door stopper is arranged on the inner side of the door body, and the door stopper is fixedly connected to the door body and the door frame respectively, and the material of the door stopper is steel.

4. A steel door according to claim 1, characterized in that: A door lock is fixedly connected to the door body, one end of the door lock is inserted into the door frame, and the material of the door lock is steel.

5. A steel door according to claim 4, characterized in that: The first fire door, the second fire door and the third fire door are all provided with positioning holes, the positioning holes are arranged to overlap, the door lock passes through the positioning holes and is fixedly connected to the first fire door, the second fire door and the third fire door in sequence.

6. A steel door according to claim 1, characterized in that: The door body, the first fire door, the second fire door, the third fire door and the door frame are made of steel.

Images