Anti-theft door with high impact resistance

Abstract

The utility model discloses an anti-theft door with strong impact resistance, which relates to the technical field of anti-theft doors and comprises a hinge, one side of the hinge is in threaded connection with a door frame, and one side of the hinge is in threaded connection with a door plate. The connecting part at the bottom of the base strip is inserted into the T-shaped groove formed in the door frame in advance for fixation, when the door plate is closed, the elastic pressure-bearing part above is extruded, the upper pressure-bearing piece and the lower pressure-bearing piece are extruded to be attached, the sealing performance between the door frame and the door plate can be guaranteed, and the service life of the door plate is prolonged. Meanwhile, the upper portion of the door frame sealing strip extrudes and pulls the connecting part in the T-shaped groove, the second sliding piece and the fourth sliding piece abut against the bottom of the T-shaped groove, the first sliding piece and the third sliding piece abut against the top of the T-shaped groove, first sealing is formed, and therefore the sealing effect of the whole anti-theft door is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a security door technical field, concretely relates to a security door with strong impact resistance. BACKGROUND

[0002] The security door, full name "anti-theft safety door", has the performance of anti-theft and safety. It is equipped with an anti-theft lock, and can resist abnormal opening under certain conditions within a certain time, has certain safety protection performance and meets the corresponding anti-theft safety level. According to the provisions of "General Technical Conditions for Anti-theft Safety Doors", qualified security doors cannot be pried open or an opening of 615 square centimeters cannot be made on the door leaf within 15 minutes by using ordinary hand tools such as chisels, screwdrivers, crowbars and portable electric tools such as electric drills. Or open a 38 square millimeter opening in the semicircle of 150 square millimeters of the locking point. And the lock used on the security door must be a security door special lock with anti-drilling function detected by the Public Security Department Detection Center;

[0003] The security door with strong impact resistance disclosed in the present application relates to the technical field of safety anti-theft auxiliary devices, and the security door body is arranged at the middle position of the outer frame of the security door, and the security door body and the outer frame of the security door are fixedly connected through connecting hinges, and the connecting hinges are provided with two or more, and the two sides of the inside of the security door body are provided with impact-resistant inner blocks, and the impact-resistant inner blocks are fixedly connected with the security door body through clamping grooves; the anti-bending inner block is arranged at one end of the impact-resistant inner block, and the anti-bending inner block is fixedly connected with the security door body through the clamping grooves, and the cat eye observation block is arranged above one side of the security door body, and the cat eye observation block is fixedly connected with the security door body through the clamping grooves. The security door with strong impact resistance can better absorb the impact force through the design of the impact-resistant inner block, and can reduce the probability of bending of the security door through the design of the anti-bending inner block.

[0004] In order to solve the problem of the security door in the above technical scheme, the existing technology adopts the design of the impact-resistant inner block to better absorb the impact force, and the design of the anti-bending inner block to reduce the probability of bending of the security door. However, there is still a problem of insufficient sealing of the security door. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a security door with strong impact resistance to solve the problems in the above background technology.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of:

[0007] The utility model provides an anti-impact theftproof door, including hinge, one side of the hinge is connected with door frame through screw thread, one side of the hinge is connected with door board through screw thread, the inboard of door frame is installed with door frame sealing strip, the surface of door board is installed with handle,

[0008] The door board comprises a fire-retardant filling layer, the surface of the fire-retardant filling layer is provided with a honeycomb aluminum core layer, and the surface of the honeycomb aluminum core layer is provided with an anti-impact door board.

[0009] The anti-impact door board comprises a protection plate, one side wall of the protection plate is provided with a damping layer, one side wall of the damping layer is provided with a reinforcing layer, the inside of the reinforcing layer is provided with reinforcing ribs, the reinforcing ribs are linearly arranged, one side of the reinforcing layer is provided with a shock-absorbing layer, and one side wall of the shock-absorbing layer is provided with a pressure-resistant plate.

[0010] The door frame sealing strip comprises a base strip, the base strip is provided with a connecting portion, the connecting portion comprises a second clamping groove and a first clamping groove, the base strip is provided with an elastic pressure-bearing portion on the side away from the connecting portion, and the elastic pressure-bearing portion comprises a pressure-bearing piece and a connecting piece.

[0011] Further improvement of the utility model technical scheme is that the door frame comprises a frame body, and an I-shaped steel frame is installed in the inside of the frame body, so that the door frame can be stably supported through the I-shaped steel frame.

[0012] Further improvement of the utility model technical scheme is that the first clamping groove comprises a first sliding piece and a second sliding piece, the second clamping groove comprises a third sliding piece and a fourth sliding piece, the first sliding piece and the third sliding piece abut the top of the T-shaped groove, and constitute a first resealing, so that water and dust outside can be prevented from entering the door frame.

[0013] Further improvement of the utility model technical scheme is that the connecting end of the base strip and the elastic pressure-bearing portion is bent towards the elastic pressure-bearing portion, the base strip is embedded and press-fitted in the connecting piece, the pressure-bearing piece is bent towards the first clamping groove, the bending angle of the pressure-bearing piece is 30 DEG to 70 DEG, and the connecting portion at the bottom of the base strip is inserted into the T-shaped groove pre-installed in the door frame and serves as fixation.

[0014] Further improvement of the utility model technical scheme is that the side of the base strip away from the elastic pressure-bearing portion is bent, and a fourth sliding piece parallel to the third sliding piece is formed, the first sliding piece, the second sliding piece and the third sliding piece are all made of TPV material, when the door board is closed, the upper elastic pressure-bearing portion is extruded, the upper and lower pressure-bearing pieces are extruded to be attached, and the sealing property between the door frame and the door board can be ensured.

[0015] The further improvement in the technical scheme of the utility model lies in that the base strip is made of PP material, the elastic pressure bearing part is made of PU foaming material, the PU foaming material is coated with synthetic leather, the upper part of the door frame sealing strip extrudes and pulls the connecting part in the T-shaped groove, and the second sliding sheet and the fourth sliding sheet abut against the bottom of the T-shaped groove.

[0016] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0017] 1. The utility model provides a strong anti-impact burglary resisting door, when using the door frame sealing strip, the connecting part at the bottom of the base strip is inserted into the T-shaped groove in the door frame as fixing, when the door plate is closed, the upper elastic pressure bearing part is extruded, the upper and lower pressure bearing sheets are extruded to be attached, the sealing property between the door frame and the door plate can be ensured, meanwhile, the upper part of the door frame sealing strip extrudes and pulls the connecting part in the T-shaped groove, the second sliding sheet and the fourth sliding sheet abut against the bottom of the T-shaped groove, the first sliding sheet and the third sliding sheet abut against the top of the T-shaped groove, the first heavy sealing is formed, so that the overall burglary resisting door has good sealing effect.

[0018] 2. The utility model provides a strong anti-impact burglary resisting door, the anti-impact capacity of the burglary resisting door can be improved under the cooperation of the protection plate, the reinforcing plate, the shock absorbing layer and the compression resisting plate, when the burglary resisting door is impacted by the outside, the compression resisting plate can protect the burglary resisting door, the reinforcing ribs are linearly arrayed and distributed, the external load is more evenly dispersed, local stress concentration is avoided, so that the rigidity and the anti-twisting capacity of the reinforcing rib are enhanced, the compression resisting capacity of the burglary resisting door can be improved through the cooperation of the internal structure of the anti-impact door plate, and the impact deformation resistance of the burglary resisting door is enhanced. ACCURACY

[0019] Fig. 1 It is the overall structure schematic view of the utility model;

[0020] Fig. 2 It is the structure schematic view of the door plate of the utility model;

[0021] Fig. 3 It is the structure schematic view of the door frame of the utility model;

[0022] Fig. 4 It is the structure schematic view of the door frame sealing strip of the utility model;

[0023] Fig. 5 It is the structure schematic view of the connecting part of the utility model;

[0024] Fig. 6 It is the structure schematic view of the anti-impact door plate of the utility model.

[0025] In the diagram: 1. Door frame; 10. Frame body; 11. I-beam frame; 2. Door frame sealing strip; 20. Elastic pressure-bearing part; 21. Synthetic leather; 22. Connecting piece; 23. Connecting part; 230. Second slot; 231. First slot; 232. Fourth sliding piece; 233. Second sliding piece; 234. Third sliding piece; 235. First sliding piece; 24. Base strip; 25. Pressure-bearing piece; 3. Door panel; 30. Flame-retardant filling layer; 31. Honeycomb aluminum core layer; 33. Impact-resistant door panel; 330. Protective plate; 331. Damping layer; 332. Reinforcing rib; 333. Reinforcing layer; 334. Shock-absorbing layer; 335. Pressure-resistant plate; 4. Hinge; 5. Handle. Detailed Implementation

[0026] The present invention will be further described in detail below with reference to embodiments:

[0027] Example 1

[0028] like Figs. 1-6 As shown, this utility model provides a strong impact-resistant security door, including a hinge 4, a door frame 1 threadedly connected to one side of the hinge 4, a door panel 3 threadedly connected to one side of the hinge 4, a door frame sealing strip 2 installed on the inner side of the door frame 1, and a handle 5 installed on the surface of the door panel 3.

[0029] The door panel 3 includes a flame-retardant filling layer 30, a honeycomb aluminum core layer 31 is provided on the surface of the flame-retardant filling layer 30, and an impact-resistant door panel 33 is provided on the surface of the honeycomb aluminum core layer 31.

[0030] The impact-resistant door panel 33 includes a protective plate 330, a damping layer 331 on one side wall of the protective plate 330, a reinforcing layer 333 on one side wall of the damping layer 331, a reinforcing rib 332 inside the reinforcing layer 333, the reinforcing rib 332 being arranged in a linear array, a shock-absorbing layer 334 on one side of the reinforcing layer 333, and a pressure-resistant plate 335 on one side wall of the shock-absorbing layer 334. The door frame 1 includes a frame body 10, and an I-beam steel frame 11 is installed inside the frame body 10.

[0031] Specific, the aluminum honeycomb core layer 31 fills polyurea elastomer, density is 1.21.59 / cm3, compressive strength > 15MPa, impact door panel 33 surface coated tungsten carbide coating, thickness 0.150.25mm, microhardness > 2000HV, through the I-beam 11 to form support force, can be stable support door frame 1, prevent external force impact deformation, protection plate 330 is steel protection plate, damping layer 331 is made of rubber and plastic damping plate, the cooperation of reinforcing rib 332 and reinforcing layer 333 can improve the compression resistance of the security door, the compression plate 335 is made of polyethylene material, when the security door is impacted by the outside, the compression plate 335 will be impacted first, under the cooperation of the damping layer 334 and the damping layer 331, the impact force can be relieved, under the action of the protection plate 330, the security door can be protected.

[0032] Example 2

[0033] As Figs. 1-6 shown, on the basis of example 1, the utility model provides a technical scheme: preferably, the door frame sealing strip 2 includes the base strip 24, the base strip 24 is equipped with the connecting portion 23, the connecting portion 23 includes the second clamping groove 230 and the first clamping groove 231, the base strip 24 is equipped with the elastic pressure bearing portion 20 on the side away from the connecting portion 23, the elastic pressure bearing portion 20 includes the pressure bearing piece 25 and the connecting piece 22, the first clamping groove 231 includes the first sliding piece 235 and the second sliding piece 233, the second clamping groove 230 includes the third sliding piece 234 and the fourth sliding piece 232, the base strip 24 and the elastic pressure bearing portion 20 connection end are bent towards the elastic pressure bearing portion 20, the base strip 24 is embedded and press-fit in the connecting piece 22, the pressure bearing piece 25 bending part is towards the first clamping groove 231, the pressure bearing piece 25 bending angle is 30° ~ 70°, the base strip 24 is bent on the side away from the elastic pressure bearing portion 20, constitutes the fourth sliding piece 232 parallel with the third sliding piece 234, the first sliding piece 235, the second sliding piece 233, the third sliding piece 234 are all made of TPV material, the base strip 24 is made of PP material, the elastic pressure bearing portion 20 is made of PU foamed material, the PU foamed material is coated with synthetic leather 21;

[0034] Specifically, the base strip 24 bends to the right within the pressure plate 25, which covers and presses against it. The pressure plate 25 also contains several irregularly sized and arranged air holes, which can absorb more noise and improve its shock absorption capacity. When using the door frame sealing strip, the connecting part 23 at the bottom of the base strip 24 is inserted into a pre-set T-slot in the door frame 1 for fixation. When the door panel 3 is closed, it squeezes the upper elastic pressure-bearing part 20, causing the upper and lower parts to... The pressure plate 25 is pressed to fit, which can ensure the sealing between the door frame 1 and the door panel 3. At the same time, the upper part of the door frame sealing strip presses and pulls the connecting part 23 in the T-groove. The second sliding plate 233 and the fourth sliding plate 232 abut against the bottom of the T-groove, and the first sliding plate 235 and the third sliding plate 234 abut against the top of the T-groove, forming the first seal, which can prevent external water and dust from entering the door frame 1. The base strip 24, as the second seal, greatly increases the sealing effect of the door frame sealing strip.

[0035] The working principle of this impact-resistant security door will be explained in detail below.

[0036] like Figs. 1-6 As shown, the honeycomb aluminum core layer 31 is filled with polyurea elastomer with a density of 1.2-1.5 g / cm³ and a compressive strength >15 MPa. The impact-resistant door panel 33 is coated with a tungsten carbide coating with a thickness of 0.15-0.25 mm and a microhardness >2000 HV. The protective plate 330 is a steel protective plate. The damping layer 331 is made of rubber and plastic damping plates. The combination of the reinforcing ribs 332 and the reinforcing layer 333 can improve the pressure resistance of the security door. The pressure-resistant plate 335 is made of polyethylene material. When the security door is impacted by external forces, the pressure-resistant plate 335 will be the first to be impacted. With the cooperation of the shock-absorbing layer 334 and the damping layer 331, the impact force can be mitigated. Under the action of the protective plate 330, the security door can be protected. The I-beam frame 11 can provide stable support for the door frame 1 and prevent deformation caused by external impact. The base strip 24 is bent to the right inside the bearing plate 25. The bearing plate 25 is wrapped with The base strip 24 is covered and pressed together. The bearing plate 25 also has several irregularly sized and irregularly arranged air holes. These air holes can absorb more noise and improve the shock absorption capacity of the bearing plate 25. When using the door frame sealing strip, the connecting part 23 at the bottom of the base strip 24 is inserted into the T-shaped groove pre-set in the door frame 1 for fixation. When the door panel 3 is closed, it squeezes the upper elastic bearing part 20 to squeeze the upper and lower bearing plates 25 together, which can ensure the sealing between the door frame 1 and the door panel 3. At the same time, the upper part of the door frame sealing strip squeezes and pulls the connecting part 23 in the T-shaped groove. The second sliding piece 233 and the fourth sliding piece 232 abut against the bottom of the T-shaped groove, and the first sliding piece 235 and the third sliding piece 234 abut against the top of the T-shaped groove, forming the first seal, which can prevent external water and dust from entering the door frame 1. The base strip 24, as the second seal, greatly increases the sealing effect of the door frame sealing strip.

[0037] The utility model has made the detailed description to the utility model generally, but can make some modification or improvement to it on the basis of the utility model, this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. A security door of high impact resistance comprising a hinge (4), characterised in that: One side of the hinge (4) is threadedly connected with a door frame (1), one side of the hinge (4) is threadedly connected with a door panel (3), the inner side of the door frame (1) is provided with a door frame sealing strip (2), the surface of the door panel (3) is provided with a handle (5); The door panel (3) comprises a fire-retardant filling layer (30), the surface of the fire-retardant filling layer (30) is provided with a honeycomb aluminum core layer (31), and the surface of the honeycomb aluminum core layer (31) is provided with an impact-resistant door panel (33). The impact-resistant door panel (33) comprises a protection plate (330), one side wall of the protection plate (330) is provided with a damping layer (331), one side wall of the damping layer (331) is provided with a reinforcing layer (333), the inside of the reinforcing layer (333) is provided with a reinforcing rib (332), the reinforcing rib (332) is arranged in a linear array, one side of the reinforcing layer (333) is provided with a shock-absorbing layer (334), and one side wall of the shock-absorbing layer (334) is provided with a pressure-resistant plate (335). The door frame sealing strip (2) comprises a base strip (24), the base strip (24) is provided with a connecting portion (23), the connecting portion (23) comprises a second clamping groove (230) and a first clamping groove (231), the base strip (24) is provided with an elastic pressure-bearing portion (20) away from the connecting portion (23), and the elastic pressure-bearing portion (20) comprises a pressure-bearing piece (25) and a connecting piece (22).

2. The security door of claim 1, wherein: The door frame (1) comprises a frame body (10), and the inside of the frame body (10) is provided with an I-shaped steel frame (11).

3. The security door of claim 1, wherein: The first clamping groove (231) comprises a first sliding piece (235) and a second sliding piece (233), and the second clamping groove (230) comprises a third sliding piece (234) and a fourth sliding piece (232).

4. The security door of claim 3, wherein: The connecting end of the base strip (24) and the elastic pressure-bearing portion (20) is bent towards the elastic pressure-bearing portion (20), the base strip (24) is embedded and press-fitted in the connecting piece (22), and the bent portion of the pressure-bearing piece (25) is directed towards the first clamping groove (231), and the bending angle of the pressure-bearing piece (25) is 30°-70°.

5. The security door of claim 4 wherein: The side of the base strip (24) away from the elastic pressure-bearing portion (20) is bent to form the fourth sliding piece (232) parallel to the third sliding piece (234), and the first sliding piece (235), the second sliding piece (233) and the third sliding piece (234) are all made of TPV material.

6. The security door of claim 5 wherein: The base strip (24) is made of PP material, and the elastic pressure-bearing portion (20) is made of PU foaming material, and the PU foaming material is coated with synthetic leather (21).

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