Improved light fireproof door

Abstract

The utility model relates to the technical field of fireproof doors, in particular to an improved light fireproof door which comprises a fireproof door body, the fireproof door body comprises a fireproof door frame, a core plate mounting groove is formed in the fireproof door frame, a core plate is arranged in the core plate mounting groove, and reinforcing ribs of a cross-shaped structure are symmetrically arranged on the end faces of the two sides of the core plate. A plurality of evenly-distributed cavities are formed in the core plate in a penetrating mode, fireproof mounting grooves communicating with the core plate mounting grooves are symmetrically formed in the end faces of the two sides of the fireproof door frame, and a plurality of first mounting holes allowing first fastening bolts to be inserted in are formed in the portions, on the outer sides of the fireproof mounting grooves, of the fireproof door frame. An outer flame-retardant panel and an inner flame-retardant panel are arranged on the two sides of the fireproof door frame correspondingly, fireproof plates capable of being clamped into the fireproof mounting grooves are arranged on the end faces of the inner sides of the outer flame-retardant panel and the inner flame-retardant panel correspondingly, and the fireproof door frame is sleeved with an edge sealing piece; according to the fireproof door body, the weight is reduced, and meanwhile the flame retardant effect of the fireproof door body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof doors, in particular to an improved lightweight fireproof door. Background Art

[0002] Fire doors are doors with fire resistance, which can buy time for people to escape from fire, prevent fire from spreading, delay the spread of fire and prevent high temperature. Therefore, fire doors play a vital role in the event of fire. Fire doors are widely used in many fields such as residential houses, ships, construction, chemical industry, mechanical engineering, etc.

[0003] The existing fire doors are filled with fireproof panels, so the overall weight of the fire doors is relatively large. During the process of closing and opening the doors, more strength is required to complete the operation. At the same time, in actual use, the flame retardant effect of the fire doors is relatively poor. Utility Model Content

[0004] The purpose of the utility model is to provide an improved lightweight fireproof door in view of the defects of the prior art, so as to solve the problem that the existing fireproof doors are filled with fireproof panels, the overall weight of the fireproof doors is relatively large, and greater strength is required to complete the operation during closing and opening the doors. At the same time, the flame retardant effect of the fireproof doors is relatively poor during actual use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An improved lightweight fireproof door comprises a fireproof door body, the fireproof door body comprises a fireproof door frame, a core board installation groove is provided in the fireproof door frame, a core board is provided in the core board installation groove, reinforcing ribs in a cross-shaped structure are symmetrically provided on the end surfaces on both sides of the core board, a plurality of evenly distributed cavities are penetrated through the core board, fireproof installation grooves connected to the core board installation grooves are symmetrically provided on the end surfaces on both sides of the fireproof door frame, a plurality of first installation holes for inserting first fastening bolts are provided on the fireproof door frame outside the fireproof installation grooves, an outer flame retardant panel and an inner flame retardant panel are respectively provided on both sides of the fireproof door frame, fireproof panels which can be snapped into the fireproof installation grooves are provided on the inner end surfaces of the outer flame retardant panel and the inner flame retardant panel, and edge sealing members are sleeved on the outer side of the fireproof door frame.

[0007] As a preferred technical solution of the utility model, the outer flame retardant panel and the inner flame retardant panel are both provided with second mounting holes corresponding to the first mounting holes one by one.

[0008] In order to improve the connection strength between the core board and the fireproof board, a reinforcement groove for inserting reinforcement ribs is opened on the inner wall of the fireproof board.

[0009] In order to further improve the fireproof performance of the fireproof door body, the cavity is filled with a fireproof core material.

[0010] In order to improve the strength and wear resistance of the side of the fire door body, the edge sealing member includes symmetrically arranged edge sealing plates with a U-shaped cross-section, and the edge sealing plates are penetrated by a plurality of first connection holes for the second fastening bolts to be inserted.

[0011] As a preferred technical solution of the utility model, second connection holes corresponding to the first connection holes are opened on the outer side wall of the fire door frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model reduces the weight of the fire door body by setting a cavity on the core plate, and at the same time the fireproof core material inside the cavity further improves the fireproof performance of the fire door body, and the overall strength of the core plate is improved by setting reinforcing ribs on the core plate, and the inner and outer sides of the fire door body have a flame retardant effect by setting an outer flame retardant panel and an inner flame retardant panel, and the fireproof panels on the outer and inner flame retardant panels can prevent the other side of the fire door body from being ignited when one side of the fire door body is ignited by fire, thereby further improving the flame retardant effect of the fire door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic structural diagram of a fire door frame of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the core plate of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the inner flame retardant panel of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the edge banding board of the utility model;

[0019] In the figure: 1. fire door frame; 101. core board mounting groove; 102. fireproof mounting groove; 103. first mounting hole; 104. second connecting hole; 2. core board; 201. reinforcing rib; 202. cavity; 3. outer flame retardant panel; 4. inner flame retardant panel; 401. fireproof board; 402. reinforcing groove; 403. second mounting hole; 5. second fastening bolt; 6. edge sealing board; 601. first connecting hole; 7. first fastening bolt. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0021] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] Example

[0023] Combination Figure 1-5The improved lightweight fireproof door shown in the figure comprises a fireproof door body, the fireproof door body comprises a fireproof door frame 1, a core plate installation groove 101 is provided in the fireproof door frame 1, a core plate 2 is provided in the core plate installation groove 101, and reinforcing ribs 201 in a cross-shaped structure are symmetrically provided on the end surfaces of both sides of the core plate 2, the reinforcing ribs 201 and the core plate 2 are cast with fireproof pearlite powder, a plurality of evenly distributed cavities 202 are opened through the core plate 2, and the cavities 202 on the core plate 2 are formed by the cavities 202 on the core plate 2. 2 is set, thereby reducing the weight of the fire door body, making it easier for the fire door body to flip and close. The cavity 202 is filled with fireproof core material. Through the setting of the fireproof core material, the fireproof performance of the fire door body is further improved. Fireproof installation grooves 102 connected to the core plate installation grooves 101 are symmetrically opened on the end faces of both sides of the fire door frame 1. A plurality of first installation holes 103 for the first fastening bolts 7 to be inserted are opened on the fire door frame 1 outside the fireproof installation grooves 102. An outer flame retardant panel 3 and an inner flame retardant panel 4 are respectively provided on both sides of the fire door frame 1. Through the arrangement of the outer flame retardant panel 3 and the inner flame retardant panel 4, both the inner and outer sides of the fire door body have a flame retardant effect. The inner end surfaces of the outer flame retardant panel 3 and the inner flame retardant panel 4 are provided with a fireproof plate 401 that can be snapped into the fireproof installation groove 102. Through the arrangement of the fireproof plate 401 on the outer flame retardant panel 3 and the inner flame retardant panel 4, when one side of the fire door body is ignited by fire, the other side of the fire door body is prevented from being ignited. Ignition further improves the flame retardant effect of the fire door body, and the fireproof board 401 is made of refractory ceramic fiber, which is light in weight, resistant to high temperature and has low thermal conductivity, thereby further reducing the weight of the fire door body, and the inner wall of the fireproof board 401 is provided with a reinforcement groove 402 for the insertion of the reinforcement rib 201, and the connection strength between the core board 2 and the fireproof board 401 is improved by the arrangement of the reinforcement groove 402 and the reinforcement rib 201, and an edge sealing member is provided on the outer side of the fire door frame 1.

[0024] Among them, the outer flame retardant panel 3 and the inner flame retardant panel 4 are both penetrated with second mounting holes 403 corresponding to the first mounting holes 103, the second mounting holes 403 are connected to the first mounting holes 103, and the second mounting holes 403 are countersunk holes, so as not to affect the installation of the edge sealing parts on the outside of the fire door frame 1.

[0025] Among them, a second connection hole 104 corresponding to the first connection hole 601 is opened on the outer wall of the fire door frame 1, the second connection hole 104 is connected to the first connection hole 601, and the second connection hole 104 is a countersunk hole, so as not to affect the installation of the fire door body.

[0026] like Figure 5The edge banding shown in the figure comprises symmetrically arranged edge banding plates 6 with a U-shaped cross-section, and a plurality of first connecting holes 601 for the second fastening bolts 5 to be inserted are formed through the edge banding plates 6. The strength and wear resistance of the side of the fire door body are improved by the arrangement of the edge banding plates 6.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. An improved lightweight fire door, comprising a fire door body, characterized in that: The fire door body comprises a fire door frame (1), a core plate installation groove (101) is provided in the fire door frame (1), a core plate (2) is provided in the core plate installation groove (101), reinforcing ribs (201) in a cross-shaped structure are symmetrically provided on both side end surfaces of the core plate (2), a plurality of evenly distributed cavities (202) are penetrated through the core plate (2), and fire installation grooves (201) in communication with the core plate installation groove (101) are symmetrically provided on both side end surfaces of the fire door frame (1). 102), a plurality of first mounting holes (103) capable of being plugged into first fastening bolts (7) are provided on the fire door frame (1) outside the fire mounting groove (102), an outer flame retardant panel (3) and an inner flame retardant panel (4) are provided on both sides of the fire door frame (1), and fireproof panels (401) capable of being snapped into the fire mounting groove (102) are provided on the inner end faces of the outer flame retardant panel (3) and the inner flame retardant panel (4), and an edge sealing member is provided on the outer side of the fire door frame (1).

2. An improved lightweight fireproof door according to claim 1, characterized in that: The outer flame retardant panel (3) and the inner flame retardant panel (4) are both provided with second mounting holes (403) which correspond one to one with the first mounting holes (103).

3. The improved lightweight fireproof door according to claim 1, characterized in that: The inner wall of the fireproof board (401) is provided with a reinforcement groove (402) into which the reinforcement rib (201) can be inserted.

4. The improved lightweight fireproof door according to claim 1, characterized in that: The cavity (202) is filled with a fireproof core material.

5. The improved lightweight fireproof door according to claim 1, characterized in that: The edge sealing member comprises an edge sealing plate (6) which is symmetrically arranged and has a U-shaped cross section. The edge sealing plate (6) is provided with a plurality of first connection holes (601) through which the second fastening bolts (5) can be inserted.

6. The improved lightweight fireproof door according to claim 5, characterized in that: The outer side wall of the fire door frame (1) is provided with second connection holes (104) corresponding one to one with the first connection holes (601).

Images