Combined steel fireproof security door

Abstract

The utility model relates to a combined steel fireproof security door which comprises a door plate, the door plate comprises a hollow square steel outer plate, a foamed aluminum core plate is fixedly arranged in the center of the interior of the outer plate, aluminum honeycomb plates are fixedly arranged on the two sides of the foamed aluminum core plate, and prying-resistant steel plates are fixedly arranged on the opposite sides of the two aluminum honeycomb plates. A through groove is formed in the upper portion of the door plate in a penetrating mode, a square steel inner frame is fixedly arranged on the through groove, a lifting plate abuts against the lower frame of the inner frame, plugging plates are fixedly connected to the inner end and the outer end of the lifting plate, and the two plugging plates abut against the inner side and the outer side of the door plate respectively. An electric push rod is arranged in the foamed aluminum core plate above the through groove, the telescopic end of the electric push rod faces downwards and is fixedly connected with the top of the lifting plate, a dustproof net is arranged in the foamed aluminum core plate below the through groove, and the top end of the dustproof net penetrates through the lower frame of the inner frame and is fixedly connected with the bottom of the lifting plate. The fireproof and flame-retardant door plate can effectively enhance the overall fireproof and flame-retardant performance of the door plate, can achieve effective ventilation and is more practical.

Description

Technical Field

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

[0002] A security door is a door that is equipped with an anti-theft lock, can resist abnormal opening under certain conditions within a certain period of time, has certain safety protection performance and meets the corresponding anti-theft security level. It is mainly divided into five types based on material: steel, steel-wood structure, stainless steel, aluminum alloy and copper. Steel security doors can be said to be the most common security doors on the market, the most used and most familiar to the people, with the advantages of low and reasonable prices.

[0003] However, the existing conventional steel security doors still have the problem of poor fire retardant effect in actual use, and the door panel of the security door is an integrated structure with poor overall ventilation. When necessary, the security door can only be opened for ventilation, but this will leave the door without any obstruction, the privacy is not strong, and it is not practical enough, which needs to be improved. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a combined steel fireproof and anti-theft door, which can effectively enhance the fireproof and flame-retardant performance of the entire door panel and achieve effective ventilation to solve the above-mentioned problems.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a combined steel fireproof and anti-theft door, including a door frame and a door panel, wherein the door panel is located on the inner side of the door frame and one end of the door panel is hinged to the door frame, and the other end is connected to the door frame in an openable and closable manner through an anti-theft lock, wherein the door panel includes a square steel outer panel with a hollow arrangement, a foam aluminum core panel is fixedly arranged at the inner center of the outer panel, aluminum honeycomb panels are fixedly arranged on both sides of the foam aluminum core panel, anti-pry steel plates are fixedly arranged on the opposite sides of the two aluminum honeycomb panels, silicate fireproof panels are fixedly arranged on the opposite sides of the two anti-pry steel plates, and the two silicate fireproof panels are fixedly connected to the corresponding inner walls of the outer panels. A through slot is formed through the upper part of the door panel, and a square steel inner frame is fixedly provided on the slot wall of the through slot, a lifting plate is abutted on the lower frame of the inner frame, and inner and outer ends of the lifting plate are fixedly connected with sealing plates made of the same material as the anti-pry steel plate, and the two sealing plates are respectively abutted on the inner and outer sides of the door panel around the through slot, an electric push rod is built into the foam aluminum core plate above the through slot, the telescopic end of the electric push rod penetrates downward through the upper frame of the inner frame and is fixedly connected to the top of the lifting plate, and a dustproof net is built into the foam aluminum core plate below the through slot, and the top end of the dustproof net penetrates the lower frame of the inner frame and is fixedly connected to the bottom of the lifting plate.

[0006] Preferably, the outer surfaces of the outer plate and the sealing plate are both provided with an inorganic silicate coating layer.

[0007] Preferably, the longitudinal cross-sectional area of ​​the blocking plate is larger than the slot area of ​​the through slot.

[0008] Preferably, a power supply and a controller are provided on the inner side of the door panel, and the electric push rod is electrically connected to the power supply through the controller.

[0009] The beneficial effects of the utility model are as follows: through the cooperation of the steel outer plate with the built-in foam aluminum core plate, the double-layer aluminum honeycomb plate, the double-layer anti-pry steel plate and the double-layer silicate fireproof plate, the fireproof and flame-retardant protective effect of the entire anti-theft door can be greatly enhanced while ensuring the anti-theft performance of the entire anti-theft door, and the anti-theft door can also have good sound insulation and noise reduction, electromagnetic shielding and anti-corrosion properties, and is safer and more practical to use;

[0010] During use, if ventilation is required, there is no need to open the entire door panel. You only need to run the electric push rod to shrink its telescopic end, which can drive the lifting plate and the blocking plates on both sides to move up until the lifting plate abuts against the upper frame of the inner frame. At this time, the two blocking plates can be moved up to the top of the through slot to make the through slot unobstructed. At the same time, the dust net can be moved up into the through slot synchronously with the lifting plate. After the lifting plate moves up to the position, the dust net can also abut against the middle position of the through slot. In this way, good dust-proof ventilation can be achieved without opening the door panel, which is more private and practical. After ventilation is no longer needed, run the electric push rod again to extend its telescopic end, which can drive the lifting plate, the two blocking plates and the dust removal net to move down as a whole until the lifting plate abuts against the lower frame of the inner frame. At this time, the two blocking plates can be re-blocked at the inner and outer ports of the through slot to effectively block the through slot so as not to affect the use effect of the entire anti-theft door, and the dust net is lowered and stored in the corresponding storage slot of the foam aluminum core board for subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a main structural schematic diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the longitudinal section structure of the door panel of the utility model;

[0013] Figure 3 This is a schematic diagram of the longitudinal cross-section structure of the door panel of the utility model during ventilation;

[0014] Figure 4 This is a schematic diagram of the main structure of the through slot of the utility model;

[0015] Figure 5 It is a schematic diagram of the main structure of the through slot during ventilation of the utility model.

[0016] Numbers in the figure: 1 is a door frame, 2 is a door panel, 3 is an anti-theft lock, 4 is an outer panel, 5 is a foam aluminum core panel, 6 is an aluminum honeycomb panel, 7 is an anti-pry steel plate, 8 is a silicate fireproof board, 9 is a through groove, 10 is an inner frame, 11 is a lifting plate, 12 is a blocking plate, 13 is an electric push rod, 14 is a dustproof net, 15 is an inorganic silicate coating layer, 16 is a power supply, and 17 is a controller. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods:

[0018] like Figures 1 to 5 As shown, a combined steel fireproof and anti-theft door includes a door frame 1 and a door panel 2. The door panel 2 is located on the inner side of the door frame 1 and one end of the door panel 2 is hinged to the door frame 1, and the other end is connected to the door frame 1 through an anti-theft lock 3. The door panel 2 includes a square steel outer panel 4 with a hollow arrangement. A foam aluminum core panel 5 is fixedly arranged at the inner center of the outer panel 4. Aluminum honeycomb panels 6 are fixedly arranged on both sides of the foam aluminum core panel 5. Anti-pry steel plates 7 are fixedly arranged on the opposite sides of the two aluminum honeycomb panels 6. Silicate fireproof panels 8 are fixedly arranged on the opposite sides of the two anti-pry steel plates 7. The two silicate fireproof panels 8 are fixedly connected to the corresponding inner wall of the outer panel 4. A through slot 9 is provided through the upper part of the door panel 2, and a square steel inner frame 10 is fixed on the slot wall of the through slot 9. A lifting plate 11 is abutted on the lower frame of the inner frame 10. The inner and outer ends of the lifting plate 11 are fixedly connected with blocking plates 12 made of the same material as the anti-pry steel plate 7. The two blocking plates 12 are respectively abutted on the inner and outer sides of the door panel 2 around the through slot 9. An electric push rod 13 is built into the foam aluminum core board 5 above the through slot 9. The telescopic end of the electric push rod 13 passes through the upper frame of the inner frame 10 downward and is fixedly connected to the top of the lifting plate 11. A dustproof net 14 is built into the foam aluminum core board 5 below the through slot 9. The top end of the dustproof net 14 passes through the lower frame of the inner frame 10 and is fixedly connected to the bottom of the lifting plate 11.

[0019] Through the cooperation of the steel outer panel 4, the built-in foam aluminum core panel 5, the double-layer aluminum honeycomb panel 6, the double-layer anti-pry steel panel 7 and the double-layer silicate fireproof panel 8, the fireproof and flame-retardant protection effect can be greatly enhanced while ensuring the anti-theft performance of the entire anti-theft door, and the anti-theft door can also have good sound insulation and noise reduction, electromagnetic shielding and anti-corrosion properties, making it safer and more practical to use;

[0020] During use, if ventilation is required, there is no need to open the entire door panel 2. You only need to operate the electric push rod 13 to shrink its telescopic end, which can drive the lifting plate 11 and the blocking plates 12 on both sides to move up until the lifting plate 11 abuts against the upper frame of the inner frame 10. At this time, the two blocking plates 12 can move up to the top of the through slot 9 to make the through slot 9 unobstructed. At the same time, the dustproof net 14 can move up into the through slot 9 synchronously with the lifting plate 11. After the lifting plate 11 moves up to the right position, the dustproof net 14 can also abut against the middle position of the through slot 9. In this way, good dustproof ventilation can be achieved without opening the door panel 2, which is more private and practical. After ventilation is no longer needed, the electric push rod 13 is operated again to extend its telescopic end, which can drive the lifting plate 11, the two blocking plates 12 and the dust removal net 14 to move downward as a whole until the lifting plate 11 abuts against the lower frame of the inner frame 10. At this time, the two blocking plates 12 can be re-blocked at the inner and outer ends of the through groove 9 to effectively block the through groove 9 so as not to affect the use effect of the entire anti-theft door, and the dustproof net 14 is lowered and stored in the corresponding receiving groove of the foam aluminum core board 5 for subsequent use;

[0021] The door frame 1 and the anti-theft lock 3 can all be made of existing technology. The foam aluminum core board 5, the aluminum honeycomb board 6, the anti-pry steel plate 7 and the silicate fireproof board 8 are all existing boards. The foam aluminum core board 5 has the properties of light weight, high specific stiffness, non-combustibility, A2-level fire retardant grade, high damping shock absorption and impact energy absorption rate, good sound insulation and sound absorption, and excellent electromagnetic shielding. The aluminum honeycomb board 6 has excellent sound insulation, heat insulation, fireproof grade B1, waterproof, moisture-proof, no harmful gas release, high specific strength per unit mass, high specific stiffness, not easy to deform, and anti-electromagnetic radiation. The anti-pry steel plate 6 can improve the anti-theft performance of the door panel 2 while ensuring the strength of the entire door panel 2. The silicate fireproof board 8 has good fireproof performance, water resistance, moisture resistance, corrosion resistance, and environmental protection.

[0022] In this embodiment, the outer surfaces of the outer panel 4 and the sealing panel 12 are provided with an inorganic silicate coating layer 15. The inorganic silicate coating is an existing material and has excellent fire retardant, waterproof, heat radiation reflective, acid and alkali corrosion resistance and other properties as well as permanent color. It can further enhance the fireproof effect of the anti-theft door and improve the overall durability and practicality of the anti-theft door.

[0023] In this embodiment, the longitudinal cross-sectional area of ​​the blocking plate 12 is larger than the slot area of ​​the through slot 9, so that the blocking plate can completely block the through slot, ensuring that the shielding and anti-theft performance of the entire door panel is not affected when ventilation is not required.

[0024] In this embodiment, a power source 16 and a controller 17 are provided on the inner side of the door panel 2, and the electric push rod 13 is electrically connected to the power source 16 through the controller 17, so that when in use, the power source 16 can supply power to the electric push rod 13, and the controller 17 can control the movement of the electric push rod 13 to cooperate in achieving ventilation and blocking operations. The power source 16 and the controller 17 can both adopt existing technologies, and the power source 16 can specifically adopt an existing battery compartment capable of loading dry batteries, or a conventional storage battery, or directly adopt an AC power source at the place of use, which can be selected according to actual conditions.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A combined steel fireproof and anti-theft door, comprising a door frame and a door panel, wherein the door panel is located inside the door frame and one end of the door panel is hinged to the door frame and the other end is connected to the door frame through an anti-theft lock, characterized in that: The door panel comprises a square steel outer panel with a hollow arrangement, a foam aluminum core panel is fixedly arranged at the inner center of the outer panel, aluminum honeycomb panels are fixedly arranged on both sides of the foam aluminum core panel, anti-pry steel panels are fixedly arranged on the opposite sides of the two aluminum honeycomb panels, silicate fireproof panels are fixedly arranged on the opposite sides of the two anti-pry steel panels, and the two silicate fireproof panels are fixedly connected to the corresponding inner walls of the outer panels, a through groove is penetrated through the upper part of the door panel, a square steel inner frame is fixedly arranged on the groove wall of the through groove, a lifting plate is abutted on the lower frame of the inner frame, and blocking plates made of the same material as the anti-pry steel plate are fixedly connected at both inner and outer ends of the lifting plate, and the two blocking plates are respectively abutted on the inner and outer sides of the door panel on the peripheral side of the through groove, an electric push rod is built-in in the foam aluminum core panel above the through groove, the telescopic end of the electric push rod passes through the upper frame of the inner frame downward and is fixedly connected to the top of the lifting plate, and a dustproof net is built-in in the foam aluminum core panel below the through groove, and the top end of the dustproof net passes through the lower frame of the inner frame and is fixedly connected to the bottom of the lifting plate.

2. The combined steel fireproof and anti-theft door according to claim 1 is characterized in that: The outer surfaces of the outer plate and the blocking plate are both provided with an inorganic silicate coating layer.

3. The combined steel fireproof and anti-theft door according to claim 1 is characterized in that: The longitudinal cross-sectional area of ​​the blocking plate is larger than the slot area of ​​the through slot.

4. The combined steel fireproof and anti-theft door according to claim 1 is characterized in that: A power source and a controller are provided on the inner side of the door panel, and the electric push rod is electrically connected to the power source through the controller.

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