Anti-theft door resistant to damage of electric tool

Abstract

The utility model discloses an anti-theft door resistant to damage of an electric tool, and relates to the field of anti-theft doors. A common anti-theft door mostly adopts a front-and-back two-layer common steel plate structure. When being attacked by electric tools such as a portable angle grinder and a percussion drill, the traditional structure can be easily and quickly penetrated by the electric tools. The anti-prying door comprises a door frame, a door leaf, a door lock and hinges, the door leaf sequentially comprises a front steel plate layer, a stainless steel plate protective layer, door leaf filler and a rear steel plate layer from front to back, one side of the door lock of the door leaf is bent to form a rear protruding lockrand protruding backwards, the door frame is correspondingly provided with a groove and a front protruding lockrand, and anti-prying strips are arranged in the rear protruding lockrand and the front protruding lockrand. A reinforcing plate is arranged in the door frame, the door lock adopts a shortened anti-theft lock cylinder, and the front end of the anti-theft lock cylinder is located in the door leaf And the capability of preventing manual and electric tools from being damaged can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of security doors, and particularly relates to a security door resistant to damage by electric tools. BACKGROUND

[0002] In modern society, with the rapid development of science and technology, electric tools are increasingly widely used in daily life, however, this also provides convenience for lawbreakers to commit theft. The common security doors on the current market mostly adopt the structure of two layers of ordinary steel plates in front and back. Such a traditional structure exposes many serious defects when facing attacks by portable angle grinders, impact drills and other electric tools. Firstly, the single-layer metal structure of the security door is easily penetrated by electric tools, causing the security barrier to collapse quickly. Secondly, the lock area is relatively weak in structure and becomes the key target for thieves to use electric tools to damage and open, greatly reducing the overall security of the security door. The traditional security door is not effective in resisting damage by electric tools, which poses a serious threat to the safety of family and social property. Therefore, developing a new security door that can effectively resist damage by electric tools and improving its security performance has become an important issue to be solved at present. SUMMARY

[0003] The technical problem to be solved and the technical task proposed by the utility model are to perfect and improve the prior art, and provide a security door resistant to damage by electric tools, with the purpose of improving the ability to resist damage by electric tools. To this end, the utility model adopts the following technical scheme.

[0004] A security door resistant to damage by electric tools, comprising a door frame, a door leaf, a door lock and a hinge, wherein the door frame is bent from a steel plate, the door leaf comprises, from front to back, a front steel plate layer, a stainless steel plate protection layer, a door leaf filler and a rear steel plate layer, the outer periphery of the front steel plate layer is bent and formed with a locking edge, the locking edge is bent and formed on the side of the door lock of the door leaf with a rear protruding locking edge, a groove is provided on the door frame corresponding to the rear protruding locking edge, the rear protruding locking edge is engaged with the groove on the door frame when the door leaf is closed, and the stainless steel plate protection layer is attached to the rear side of the front steel plate layer. By arranging the stainless steel plate protection layer behind the front steel plate layer, the cutting and impact resistance can be significantly improved, the engagement of the rear protruding locking edge and the groove enhances the protection ability of the locking edge, improves the reliability, effectively prevents the insertion of a crowbar for damage, reduces the operation space of the electric tool and increases the difficulty of damage.

[0005] As a preferred technical means, the rear protruding locking edge is internally provided with a door leaf anti-picking strip, and the door leaf anti-picking strip is attached to the inner wall of the rear protruding locking edge in front, back and left and right directions. By arranging the door leaf anti-picking strip inside the rear protruding locking edge, the internal gap of the locking edge is filled to form a rigid support structure, the structural support ability of the rear protruding locking edge is enhanced, the deformation resistance of the locking edge is significantly improved, and the damage of a crowbar and other tools is better blocked.

[0006] As a preferred technical means: the side of the door frame adjacent to the groove and the lock is the front locking edge of the door frame, the inside of the front locking edge is provided with a door frame anti-prying strip, the left and right and front of the door frame anti-prying strip are attached to the inner wall of the front locking edge. By providing a door frame anti-prying strip inside the front locking edge of the door frame, a two-way protection is formed with the door leaf anti-prying strip, the impact resistance of the gap between the door body and the door frame is enhanced, and the prying or drilling damage can be better resisted.

[0007] As a preferred technical means: the thickness of the stainless steel plate protection layer is 2.0-3.0 mm. This thickness range takes into account the cost while ensuring the strength of the material, and can resist the long duration of damage by electric tools such as angle grinders.

[0008] As a preferred technical means: the door lock includes a theft-proof lock body, the theft-proof lock body includes a theft-proof lock cylinder, the front end of the theft-proof lock cylinder is located inside the door leaf, and the front end of the theft-proof lock cylinder is 15-25 mm away from the outer surface of the front steel plate layer of the door leaf. The rearward movement of the lock cylinder makes it difficult for electric tools to directly contact the lock cylinder, and the lock cylinder needs to penetrate the front steel plate layer and the stainless steel plate protection layer to be damaged, effectively preventing rapid unlocking by cutting the lock cylinder.

[0009] As a preferred technical means: the inside of the door frame on the right side of the groove is provided with a reinforcing plate, the front and rear ends and the side adjacent to the groove of the reinforcing plate are attached to and fixedly connected with the steel plate of the door frame. The reinforcing plate can effectively enhance the structural strength of the door frame, prevent local deformation of the door frame caused by the impact of electric tools, enhance the overall structural stability of the door frame, and prolong the damage time.

[0010] As a preferred technical means: the front and rear ends of the reinforcing plate are provided with rightward folded edges, and the rightward folded edges of the front and rear ends of the reinforcing plate are attached to the door frame on the front and rear sides and are fixedly connected with the steel plate of the door frame by welding. The folded edge design increases the contact area of the reinforcing plate and the door frame, improves the connection strength, and realizes firm connection and fixation by welding, preventing the reinforcing plate from falling off under impact and ensuring long-term protection effect.

[0011] As a preferred technical means: the hinge is a concealed hinge. The concealed hinge is hidden inside the door frame, avoiding the direct action of external disassembly tools on the hinge pin.

[0012] As a preferred technical means: the handle assembly of the door lock is made of stainless steel material with a thickness of 2.8-3.2 mm, and the handle assembly is fixed by a fixed screw with a diameter of ≥6 mm. The thickened stainless steel handle can resist the cutting of electric tools, and the thickened screw can enhance the connection strength of the handle and the door leaf, preventing the handle from being violently pulled off.

[0013] Beneficial effects: By setting the stainless steel plate protection layer behind the front steel plate layer, the cutting resistance and impact resistance can be significantly improved, the mutual buckling of the door frame locking edge and the door leaf locking edge, the anti-picking strip inside the locking edge, the welding of the reinforcing plate inside the door frame and other measures enhance the ability to prevent the insertion of a crowbar to damage, reduce the operation space of the electric tool, increase the difficulty of damage, reduce the damage ability of the electric tool, the lock core position is moved backward and the handle assembly of the thickened door lock effectively improves the ability to prevent the electric tool from damaging the lock, greatly increases the damage time of the electric tool, and reduces the probability of breaking into the room. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic view of the horizontal section of the utility model.

[0015] Figure 2 is the utility model Figure 1 A part of the enlarged schematic view.

[0016] Figure 3 is the utility model Figure 1 B part of the enlarged schematic view.

[0017] In the figure: 1, door leaf; 2, door frame; 3, door lock; 4, hinge; 101, front steel plate layer; 102, stainless steel plate protection layer; 103, door leaf filler; 104, rear steel plate layer; 105, rear convex locking edge; 106, door leaf anti-picking strip; 201, groove; 202, front convex locking edge; 203, door frame anti-picking strip; 204, reinforcing plate; 301, anti-theft lock core; 302, handle assembly. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be further described in detail in combination with the drawings of the specification.

[0019] Example one

[0020] As Figures 1-3As shown, an anti-impact door against electric tool damage includes a door frame 2, a door leaf 1 and a door lock 3, the door frame 2 and the door leaf 1 are rotatably connected through a hinge 4, the hinge 4 adopts a concealed hinge 4, the concealed hinge 4 is hidden in the door frame 2, avoiding external disassembly tools directly acting on the hinge 4 pin shaft. The door frame 2 adopts a steel plate bending, the door leaf 1 includes a front steel plate layer 101, a stainless steel plate protection layer 102, a door leaf filler 103 and a rear steel plate layer 104 from front to back, the outer periphery of the front steel plate layer 101 is bent and formed with a locking edge, the locking edge is bent and formed with a rear convex locking edge 105 protruding backward on the side of the door lock 3 of the door leaf 1, the door frame 2 is provided with a groove 201 corresponding to the rear convex locking edge 105, the door frame 2 is provided with a front convex locking edge 202 on the side adjacent to the lock and the groove 201, when the door leaf 1 is closed, the rear convex locking edge 105 is buckled with the groove 201 on the door frame 2, the stainless steel plate protection layer is attached to the rear side of the front steel plate layer 101, and the thickness of the stainless steel plate protection layer is 2 mm.

[0021] By setting the 2mm-thick stainless steel plate protection layer 102 behind the front steel plate layer 101, double-layer steel plate protection is realized in front of the door leaf 1, the cutting and impact resistance against electric tools is significantly improved, the buckling of the rear convex locking edge 105 and the groove 201 enhances the protection ability of the locking edge position against the insertion damage of crowbars and electric tools, improves the reliability, reduces the operation space of the electric tool, and increases the damage difficulty.

[0022] Embodiment two

[0023] Different from the above embodiment one, the inside of the rear convex locking edge 105 is provided with a door leaf pry bar 106, the door leaf pry bar 106 is attached to the inner wall of the rear convex locking edge 105 in front, back and left and right; the inside of the front convex locking edge 202 is provided with a door frame pry bar 203, the door frame pry bar 203 is attached to the inner wall of the front convex locking edge 202 in left and right and front. By embedding the pry bar in the locking edge of the door frame 2 and the door leaf 1, filling the internal gap of the locking edge, forming a rigid support structure, the structural support ability of the locking edge of the door leaf 1 and the door frame 2 is enhanced, the locking edge anti-deformation ability is significantly improved, and the damage of crowbars, electric tools and the like is better blocked. In this embodiment, the pry bar can adopt steel, density plate or fireproof plate.

[0024] Embodiment three

[0025] Different from the above embodiment one or two, the inside of the door frame 2 right side of the recess 201 is provided with a reinforcing plate 204, the front and rear ends and the side adjacent to the recess 201 of the reinforcing plate 204 are all abutted with the steel plate of the door frame 2, the reinforcing plate 204 is made of steel plate, the front and rear ends of the reinforcing plate 204 are all provided with right edge folding, the right edge folding of the front and rear ends of the reinforcing plate 204 is abutted with the door frame 2 of the front and rear sides and is welded and fixed between the steel plate of the door frame 2. The edge folding increases the contact area of the reinforcing plate 204 and the door frame 2, improves the connection strength, can effectively enhance the structural strength of the door frame 2, prevent the impact of the electric tool from causing the local deformation of the door frame 2, enhance the overall structural stability of the door frame 2, and prolong the damage time.

[0026] Embodiment four

[0027] Different from the above embodiment one, two or three, as shown in Figure 2 The door lock 3 adopts a high-strength anti-theft lock body, the anti-theft lock body adopts a shortened anti-theft lock core 301, the front end of the anti-theft lock core 301 is located inside the door leaf, and the distance L between the front end of the anti-theft lock core 301 and the front side of the front steel plate layer 101 of the door leaf 1 is 20 mm. The rear movement of the lock core makes it difficult for the electric tool to directly contact the lock core, the electric tool needs to penetrate the front steel plate layer 101 and the stainless steel plate protection layer 102, and then penetrate the deeper door leaf filler 103 to implement damage, which can effectively prevent rapid unlocking by cutting the lock core, and improve the difficulty of damaging the lock core.

[0028] Embodiment five

[0029] Different from the above embodiment one to four, the handle assembly 302 of the door lock 3 includes a handle and a handle panel, which are both made of stainless steel material with a thickness of 3 mm, and the handle assembly 302 is fixed by a fixed screw with a diameter of ≥6 mm. Compared with the traditional thinner handle assembly 302, the thickened stainless steel handle can better resist the cutting of the electric tool, the thickened screw enhances the connection strength of the handle and the door leaf 1, prevents the handle from being violently pulled off, can better prevent damage to the handle, and improves the difficulty of damaging the lock.

[0030] The above anti-electric tool damage anti-theft door is a specific embodiment of the utility model, which has embodied the substantial characteristics and progress of the utility model, and can be modified in shape, structure and the like according to actual use needs under the inspiration of the utility model, which is within the protection scope of the scheme.

Claims

1. A security door resistant to damage by power tools, characterised in that: The door frame is made of bent steel plate, the door leaf comprises from front to back a front steel plate layer, a stainless steel plate protection layer, a door leaf filler and a rear steel plate layer, the periphery of the front steel plate layer is bent and formed with a locking edge, the locking edge is bent and formed on the door lock side of the door leaf with a rear convex locking edge, a groove is provided on the door frame, the rear convex locking edge is engaged with the groove on the door frame when the door leaf is closed, and the stainless steel plate protection layer is attached to the rear side of the front steel plate layer.

2. A security door resistant to damage from power tools according to claim 1 characterised in that: The rear convex locking edge is internally provided with a door leaf anti-prying strip which is attached to the inner wall of the rear convex locking edge.

3. A security door resistant to damage from power tools according to claim 2 wherein: The front convex locking edge of the door frame is internally provided with a door frame anti-prying strip which is attached to the inner wall of the front convex locking edge.

4. A burglary door resistant to attack by power tools according to claim 3, characterised in that: The thickness of the stainless steel plate protection layer is 2.0-3.0 mm.

5. A burglar resistant door resistant to damage by power tools according to claim 4 wherein: The door lock comprises an anti-theft lock body, the anti-theft lock body comprises an anti-theft lock core, the front end of the anti-theft lock core is located inside the door leaf, and the front end of the anti-theft lock core is 15-25 mm away from the outer surface of the front steel plate layer of the door leaf.

6. A burglar resistant door resistant to damage by power tools according to claim 5 wherein: The right side of the groove is internally provided with a reinforcing plate, the front end and the rear end of the reinforcing plate and the side adjacent to the groove are all abutted against and connected and fixed to the steel plate of the door frame.

7. A burglar resistant door resistant to damage by power tools according to claim 6 wherein: The front end and the rear end of the reinforcing plate are both provided with rightward bent edges, the rightward bent edges of the front end and the rear end of the reinforcing plate are abutted against the door frame and are welded and connected and fixed to the steel plate of the door frame.

8. A security door resistant to damage from power tools according to claim 1 characterised in that: The hinge is a concealed hinge.

9. A security door resistant to damage from power tools according to claim 1 wherein: The handle assembly of the door lock is made of stainless steel material with a thickness of 2.8-3.2 mm, and the handle assembly is fixed by a fixing screw with a diameter of greater than or equal to 6 mm.

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