High-strength steel-wood composite armored door

Abstract

The utility model discloses a high strength steel wood composite armored door, including door frame and door leaf, the door leaf includes the steel panel of outer layer, the wooden core material of inner layer and is located the reinforcing layer between steel panel and wooden core material, the edge of steel panel is equipped with the bending part, and the bending part is bent to the wooden core material direction and is wrapped the edge of wooden core material, the reinforcing layer is by the welding of horizontal keel and longitudinal keel and is filled with the anti -impact filling layer that is equipped with in the grid gap, the utility model discloses setting reinforcing layer, forms continuous bearing structure, and the door body impact resistance is improved significantly, the grid gap fills the honeycomb aluminum core or fire -retardant rock wool board as the anti -impact filling layer, not only can assist absorption impact force, still has fire -resistant, sound -proofing and other functions, the cavity of filling cement is arranged in the door frame, and the wall bolt connection of cooperation U type steel plate embedded part makes the door frame and wall connection more firm.

Description

Technical Field

[0001] This utility model relates to the technical field of armored door devices, specifically a high-strength steel-wood composite armored door. Background Technology

[0002] Steel-wood composite armored doors are a type of door structure that combines the properties of steel and wood. Through the composite design of steel panels and wood core materials, they possess both the strength of steel and the aesthetics and decorative properties of wood, and are widely used in residential and commercial settings where security is a high priority.

[0003] However, traditional steel-wood composite armored doors have significant drawbacks in practical applications. Most traditional steel-wood doors are simply made by laminating thin steel plates with wood panels. This structural design results in a lack of continuous load-bearing structure within the door panel. When the door is subjected to external impact, the thin steel plates, due to their limited strength, are unable to effectively resist the impact. Furthermore, because there is no reliable internal load-bearing frame to distribute and transfer the impact force, the force acts directly on the wood panels. The wood panels themselves have poor impact resistance and are prone to deformation and cracking upon impact, leading to a significant decrease in the door's impact resistance and making it difficult to meet the increasingly stringent security requirements of modern society. Utility Model Content

[0004] (I) Technical Issues

[0005] This utility model provides a high-strength steel-wood composite armored door, which solves the problem of poor impact resistance caused by the lack of a continuous load-bearing structure in traditional steel-wood composite armored doors.

[0006] (II) Technical Content

[0007] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a high-strength steel-wood composite armored door, including a door frame and a door leaf, wherein the door leaf is set in the door frame by hinges, and the door leaf includes an outer steel panel, an inner wood core material, and a reinforcing layer located between the steel panel and the wood core material. The steel panel and the wood core material are respectively attached and fixed to both sides of the reinforcing layer. The edge of the steel panel is provided with a bending part, which bends towards the wood core material and wraps around the edge of the wood core material. The reinforcing layer is formed by welding horizontal keels and vertical keels into a grid-like frame. The gaps in the grid of the reinforcing layer are filled with an impact-resistant filling layer.

[0008] Furthermore, the horizontal and vertical keels are made of U-shaped channel steel with the openings facing inwards towards the door leaf.

[0009] Furthermore, the impact-resistant filling layer is a honeycomb aluminum core or a flame-retardant rock wool board, which is fixed to the grid of the reinforcing layer by structural adhesive.

[0010] Furthermore, the wood core material is multi-layer plywood, and the multi-layer plywood is bonded together with glue.

[0011] Furthermore, the door frame has a cavity inside for filling cement, and the door frame is bolted to the wall through embedded parts. The embedded parts are U-shaped steel plates, and the inner side of the door frame has through holes for installing bolts for each embedded part.

[0012] (III) Technical Effects

[0013] Compared with the prior art, the advantages of this utility model are as follows: This utility model sets up a reinforcing layer between the steel panel and the wooden core of the door leaf, which is a grid-like frame welded by horizontal and vertical keels, forming a continuous load-bearing structure that can effectively disperse and transmit impact force, significantly improving the impact resistance of the door. The gaps in the grid are filled with honeycomb aluminum core or flame-retardant rock wool board as an impact-resistant filling layer, which can not only help absorb impact force, but also has fireproof and sound insulation functions. The door frame is set with a cavity filled with cement, which is connected to the wall with U-shaped steel plate embedded parts and bolts, making the connection between the door frame and the wall more solid and improving the safety and stability of the entire door. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of a high-strength steel-wood composite armored door according to this utility model. Figure 1 .

[0015] Figure 2 This is a three-dimensional structural diagram of a high-strength steel-wood composite armored door according to this utility model. Figure 2 .

[0016] Figure 3 This is a schematic diagram of the main structure of a high-strength steel-wood composite armored door according to this utility model.

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of a high-strength steel-wood composite armored door according to this utility model. Figure 1 .

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of a high-strength steel-wood composite armored door according to this utility model. Figure 2 .

[0019] As shown in the figure: 1. Door frame; 2. Door leaf; 3. Cavity; 4. Embedded parts; 21. Steel panel; 22. Wood core material; 23. Reinforcing layer; 24. Impact-resistant filling layer; 25. Through hole; 211. Bending part; 231. Horizontal keel; 232. Longitudinal keel. Detailed Implementation

[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation structure and operation. Therefore, they should not be construed as limitations on this utility model.

[0021] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided with," "installed," "connected," "linked," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] The present invention will now be described in further detail with reference to the accompanying drawings.

[0023] Combined with appendix Figure 1 To be continued Figure 5 A high-strength steel-wood composite armored door includes a door frame 1 and a door leaf 2. The door leaf 2 is hinged and installed inside the door frame 1. The door leaf 2 includes an outer steel panel 21, an inner wood core 22, and a reinforcing layer 23 located between the steel panel 21 and the wood core 22. The steel panel 21 and the wood core 22 are respectively attached and fixed to both sides of the reinforcing layer 23. The edge of the steel panel 21 is provided with a bending portion 211, which bends towards the wood core 22 and wraps around the edge of the wood core 22. The reinforcing layer 23 is formed by welding transverse keels 231 and longitudinal keels 232 into a grid-like frame. The gaps in the grid of the reinforcing layer 23 are filled with an impact-resistant filling layer 24.

[0024] The horizontal keel 231 and the vertical keel 232 are made of U-shaped channel steel with the opening facing inwards towards the door leaf. The impact-resistant filling layer 24 is a honeycomb aluminum core or flame-retardant rock wool board, which is fixed to the grid of the reinforcing layer 23 by structural adhesive. The wood core material 22 is multi-layer plywood, and the multi-layer plywood is bonded together with adhesive.

[0025] The door frame 1 has a cavity 3 for filling cement inside. The door frame 1 is connected to the wall by wall pre-embedded parts 4 and bolts. The pre-embedded parts 4 are U-shaped steel plates. The inner side of the door frame 1 has through holes 25 for installing bolts for each pre-embedded part 4.

[0026] The working principle of this utility model is as follows: When the high-strength steel-wood composite armored door is impacted by external force, firstly, the outer steel panel 21 acts as the first line of defense, directly bearing the impact force. Since the steel panel 21 itself possesses a certain strength, it can initially resist external force. Next, the impact force is transmitted to the reinforcing layer 23, which is a grid-like frame welded from horizontal keels 231 and vertical keels 232. This continuous load-bearing structure disperses the impact force along the keels to the entire door leaf, preventing the impact force from concentrating in one place. The horizontal keels 231 and vertical keels 232 use "U"-shaped channel steel, whose unique cross-sectional shape makes the stress distribution more reasonable, effectively enhancing the strength and stability of the door leaf and further resisting impact force. Simultaneously, the impact-resistant filling layer 24 within the grid gaps of the reinforcing layer 23, such as honeycomb aluminum core or flame-retardant rock wool board, can absorb some of the impact force and dissipate energy through its own deformation, reducing the damage to the door body caused by the impact force. The inner wooden core material 22, protected by the reinforcing layer 23, is not easily damaged by impact and possesses a certain degree of toughness, which can further aid in cushioning. The bent portion 211 of the steel panel 21 wraps around the edge of the wooden core material 22, preventing the edge of the wooden core material 22 from cracking due to stress during impact, thus ensuring the integrity of the door structure. Regarding the door frame 1, it has an internal cavity 3 for filling with cement. Filling with cement increases the weight and strength of the door frame 1, making it more stable. The door frame 1 is bolted to the wall via wall-embedded parts 4. The U-shaped steel plate embedded parts 4 cooperate with the through holes 25 on the inner side of the door frame 1, firmly fixing the door frame 1 to the wall, ensuring that the door frame 1 will not loosen when the door is impacted, thereby guaranteeing the stability and safety of the entire door.

[0027] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A high-strength steel-wood composite armored door, comprising a door frame (1) and a door leaf (2), characterized in that: The door leaf (2) is mounted inside the door frame (1) by a hinge. The door leaf (2) includes an outer steel panel (21), an inner wooden core material (22), and a reinforcing layer (23) located between the steel panel (21) and the wooden core material (22). The steel panel (21) and the wooden core material (22) are respectively attached and fixed to both sides of the reinforcing layer (23). The edge of the steel panel (21) is provided with a bending part (211). The bending part (211) bends towards the wooden core material (22) and wraps around the edge of the wooden core material (22). The reinforcing layer (23) is formed by welding a transverse keel (231) and a longitudinal keel (232) into a grid-like frame; the grid gaps of the reinforcing layer (23) are filled with an impact-resistant filling layer (24).

2. The high-strength steel-wood composite armored door according to claim 1, characterized in that: The horizontal keel (231) and the vertical keel (232) are made of U-shaped channel steel with the opening facing the inside of the door leaf.

3. A high-strength steel-wood composite armored door according to claim 1, characterized in that: The impact-resistant filling layer (24) is a honeycomb aluminum core or a flame-retardant rock wool board, which is fixed to the grid of the reinforcing layer (23) by structural adhesive.

4. A high-strength steel-wood composite armored door according to claim 1, characterized in that: The wood core material (22) is a multi-layer plywood, and the multi-layer plywood is bonded together with glue.

5. A high-strength steel-wood composite armored door according to claim 1, characterized in that: The door frame (1) has a cavity (3) for filling cement inside. The door frame (1) is bolted to the wall through a wall embedded part (4). The embedded part (4) is a U-shaped steel plate. The inner side of the door frame (1) has a through hole (25) for installing bolts corresponding to each embedded part (4).

Images