Reinforced steel security door
By using steel materials and reinforcing ribs in security doors, the problems of deformation and connection detachment caused by stress concentration during impacts in existing security doors have been solved, achieving higher impact resistance and security.
Patent Information
- Application Number
- CN202520397135.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-08
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-08
AI Technical Summary
When existing security doors are subjected to impact, the impact force is unevenly distributed, causing stress concentration in certain areas, which makes them prone to deformation and detachment of joints, resulting in poor security.
The door frame, door body, pressure plate, reinforcing plate, and reinforcing ribs are made of steel and filled with polyurethane foam. Horizontal and vertical reinforcing ribs are set inside the door body to enhance structural rigidity and force transmission capacity.
It effectively disperses impact force, improves the door's impact resistance, enhances overall structural stability, prevents deformation and detachment of joints, and improves safety.
Smart Images
Figure CN223881051U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a security door technical field, concretely is a reinforced steel security door. BACKGROUND
[0002] The security door is a kind of door with security function, usually adopts steel material, alloy and other solid materials, its main function includes theft prevention, protection, fire prevention and sound insulation, is widely used in residential, shop, office and other places, to protect personal and property safety.The security door of prior art is mostly hollow inside, fills with honeycomb paper, polyurethane foam, rock wool, aluminum honeycomb and other fillers, when the surface of door is impacted, the overall rigidity of structure can be insufficient, the area of impact force distribution is wide, the stress on unit area is uneven, leading to stress concentration in some areas, easily deformed, the connecting place of outside one week is off, and the security degree is poor, therefore a reinforced steel security door is designed to solve the above problems. SUMMARY
[0003] In view of the deficiencies of prior art, the utility model provides a reinforced steel security door, solves the problems that the inside of the security door of prior art is mostly hollow, when impacted, the area of impact force distribution is wide, the stress on unit area is uneven, leading to stress concentration in some areas, easily deformed, and the connecting place of outside one week is off in serious case.
[0004] To achieve the above object, the utility model implements by the following technical scheme:
[0005] The utility model provides a reinforced steel security door, include: door frame, the inside of door frame is connected with the door main body of inside hollow through hidden hinge, the inside of door main body is provided with the compression plate of arc shape, the rear end left and right sides of compression plate are fixedly connected with the reinforcing plate, the rear surface, left and right sides of reinforcing plate are fixedly connected with the front surface of compression plate and the inside of door main body, the inside of door main body is fixedly connected with the reinforcing rib of horizontal and vertical in array, the inside of door main body is filled with polyurethane foaming glue, door frame, door main body, compression plate, reinforcing plate and reinforcing rib are all steel material.
[0006] Preferably, the space between the door main body, the compression plate, the reinforcing plate and the reinforcing rib is placed with a reinforcing keel, and the reinforcing keel is made of steel material.
[0007] Preferably, the thickness of the door main body, the compression plate, the reinforcing plate and the reinforcing rib at the front and rear ends is five millimeters, and the thickness of the door main body frame is one centimeter.
[0008] Preferably, a groove is formed on the inner side of the front surface of the door frame, and the outer side of the front surface of the door main body extends outward.
[0009] Preferably, the gap between the inside of the door frame and the outside of the door body is less than 2mm.
[0010] Preferably, the left and right sides of the rear end of the compression plate are chamfered.
[0011] Preferably, the door frame and the outside of the door body are coated with an anti-oxidation coating.
[0012] The utility model provides a reinforced steel security door, compared with prior art, at least has following beneficial effect:
[0013] The reinforced steel security door, the compression plate, the reinforcing plate and the reinforcing rib in the inside divide the whole door surface into multiple small planes, and when impacted, the force is transmitted to the outside of the door frame and the door body and dispersed, improving the impact resistance of the door. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structural schematic view of the utility model;
[0015] Figure 2 It is the sectional view of the utility model;
[0016] Figure 3 It is the internal structure view of the utility model;
[0017] Figure 4 It is the local enlarged view of the utility model.
[0018] In the drawing: 1, door frame; 2, door body; 3, compression plate; 4, reinforcing plate; 5, reinforcing rib; 21, reinforcing keel. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a reinforced steel security door, comprising: door frame 1, the inside of the door frame 1 is connected with the door main body 2 of inside hollow by hidden hinge, the inside of the door main body 2 is provided with arc-shaped compression plate 3, the rear end left and right sides of the compression plate 3 are fixedly connected with reinforcing plate 4, the rear surface, left and right sides of the reinforcing plate 4 are fixedly connected with the front surface of compression plate 3 and the inside of door main body 2, the inside of the door main body 2 is fixedly connected with the reinforcing rib 5 of transverse and longitudinal in array, the inside of the door main body 2 is filled with polyurethane foaming glue, the door frame 1, door main body 2, compression plate 3, reinforcing plate 4 and reinforcing rib 5 are all steel material.
[0021] When using, the surface of door main body is divided into multiple areas when door main body 2 is impacted, the impact is conducted to reinforcing rib 5, part of the impact is absorbed by compression plate 3 after being applied to the rear surface of door main body 2, part of the force is absorbed by material itself, then compression plate 3 is conducted to both sides, is applied to the side of reinforcing rib 5 and reinforcing plate 4, so that the force is absorbed by the rear surface and both sides of door main body 2, the force is dispersed to reduce local stress, and the strength of door main body 2 is guaranteed.
[0022] As Figures 1-4 shown, the utility model embodiment provides an implementation mode, based on the above implementation mode, the space between the door main body 2 and compression plate 3, reinforcing plate 4 and reinforcing rib 5 is placed with reinforcing keel 21, and the reinforcing keel 21 is steel material.
[0023] As can be known from the above structure, the reinforcing keel 21 placed in the space between the door main body 2 and compression plate 3, reinforcing plate 4 and reinforcing rib 5 can further strengthen the strength of the polyurethane foaming glue filled inside and the strength of the door main body 2.
[0024] As Figures 1-3 shown, the utility model embodiment provides an implementation mode, based on the above implementation mode, the thickness of the door main body 2 at both ends and compression plate 3, reinforcing plate 4 and reinforcing rib 5 is five millimeters, and the thickness of the door frame of the door main body 2 is one centimeter.
[0025] As can be known from the above structure, the door frame of the door main body 2 is thickened, so that the impact resistance and deformation resistance of the door frame can be improved, and the overall stability of the door body can be improved, so that the deformation or cracking of the door frame can be prevented.
[0026] As Figures 1-3 shown, the utility model embodiment provides an implementation mode, based on the above implementation mode, a groove is formed in the inner side of the front surface of the door frame 1, and the outer side of the front surface of the door main body 2 extends outward.
[0027] The analysis of the above structure can know that the part of the front surface of the door body 2 extending outward can block the joint between the door frame 1 and the door body 2, so as to strengthen the anti-warping performance and prevent the saw blade from directly cutting the hinge and the door lock.
[0028] As shown in Figures 1-3 the embodiment of the utility model provides an implementation, based on above-mentioned implementation, the gap between the inside of door frame 1 and the outside of door body 2 is less than two millimeters.
[0029] The analysis of the above structure can know that the gap between the inside of door frame 1 and the outside of door body 2 is less than two millimeters, so as to prevent most saw blades on the market from being inserted.
[0030] As shown in Figures 1-4 the embodiment of the utility model provides an implementation, based on above-mentioned implementation, the connection between the left and right sides of the rear end of compression plate 3 and reinforcing plate 4 is provided with chamfer.
[0031] The analysis of the above structure can know that the connection between the left and right sides of the rear end of compression plate 3 and reinforcing plate 4 can reduce the stress concentration and strengthen the basic strength.
[0032] As shown in Figures 1-3 the embodiment of the utility model provides an implementation, based on above-mentioned implementation, the outside of door frame 1 and door body 2 is coated with an anti-oxidation coating.
[0033] The analysis of the above structure can know that the anti-oxidation coating coated on the outside of door frame 1 and door body 2 can reduce the oxidation of the outside of door frame 1 and door body 2, prolong the service life and ensure the basic strength.
[0034] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A reinforced steel security door, characterised in that, Include: Door frame (1), the inside of door frame (1) is connected with inside hollow door body (2) through hidden hinge, the inside of door body (2) is provided with arc-shaped compression plate (3), the left and right sides of rear end of compression plate (3) are fixedly connected with reinforcing plate (4), the rear surface, left and right sides of reinforcing plate (4) are fixedly connected with the front surface of compression plate (3) and the inside of door body (2), the inside of door body (2) is fixedly connected with transverse and longitudinal reinforcing rib (5) in array, the inside of door body (2) is filled with polyurethane foaming glue, door frame (1), door body (2), compression plate (3), reinforcing plate (4) and reinforcing rib (5) are all steel materials.
2. The reinforced steel security door as claimed in claim 1, wherein: The space between door body (2) and compression plate (3), reinforcing plate (4) and reinforcing rib (5) is placed with reinforcing keel (21), and reinforcing keel (21) is a steel material.
3. The reinforced steel security door as claimed in claim 1, wherein: The thickness of door body (2), compression plate (3), reinforcing plate (4) and reinforcing rib (5) at the front and rear ends of door body (2) is five millimeters, and the thickness of door body (2) frame is one centimeter.
4. The reinforced steel security door as claimed in claim 1, wherein: A groove is formed on the inner side of the front surface of door frame (1), and the outer side of the front surface of door body (2) extends outward.
5. The reinforced steel security door as claimed in claim 1, wherein: The gap between the inside of door frame (1) and the outer side of door body (2) is less than two millimeters.
6. The reinforced steel security door as claimed in claim 1, wherein: The connection between the left and right sides of the rear end of compression plate (3) and reinforcing plate (4) is provided with a chamfer.
7. The reinforced steel security door as claimed in claim 1, wherein: The outer sides of door frame (1) and door body (2) are all coated with an oxidation-resistant coating.