CN217206141U - Anti-prying steel and anti-prying door - Google Patents

Anti-prying steel and anti-prying door Download PDF

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Publication number
CN217206141U
CN217206141U CN202123425080.XU CN202123425080U CN217206141U CN 217206141 U CN217206141 U CN 217206141U CN 202123425080 U CN202123425080 U CN 202123425080U CN 217206141 U CN217206141 U CN 217206141U
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prying
steel
door
door leaf
leaf
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朱妙女
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Zhejiang Wuyi Hongchang Industry And Trade Co ltd
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Zhejiang Wuyi Hongchang Industry And Trade Co ltd
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Abstract

The utility model discloses a prying-resistant steel, which comprises a first prying-resistant steel and a second prying-resistant steel, wherein the first prying-resistant steel and the second prying-resistant steel are both transversely provided with a abdicating hole at one side, and the first prying-resistant steel and the second prying-resistant steel are both longitudinally provided with two rows of fixing holes at intervals in a staggered manner; when the anti-prying steel is in an installation state, a row of fixing holes on the side of the abdicating hole in the anti-prying steel are fixedly connected with the side surface of the door leaf or the door frame through bolts and sleeves, and the sleeves play a role in limiting and supporting so that the anti-prying steel is fixed more firmly and stably; when the door is in a locked state, the second anti-prying steel is positioned between the first anti-prying steel and the door leaf. The anti-prying steel structure is simple and easy to install, has strong anti-prying capability through the meshing principle of two anti-prying steels during use, and has great commercial value.

Description

Anti-prying steel and anti-prying door
Technical Field
The invention relates to the technical field of anti-prying doors, in particular to anti-prying steel and an anti-prying door.
Background
Along with the development of society, people have higher requirements on the safety of doors, many production enterprises or individuals research anti-theft doors, and the structures of door frames and door leaves are improved in different degrees, however, some anti-theft doors appearing in the market are unreasonable in design and weak in anti-theft performance, and lawless persons can forcibly pry the anti-theft doors by inserting tools such as prying bars between the door frames and the door leaves and detaching the anti-theft doors violently; the other part of the anti-prying door has stronger anti-prying performance, but the anti-prying door has complex structure and high manufacturing and installation cost, and does not meet the market requirement. For example, application number 201721274909.1's patent discloses a metal pick-proof door, through set up L shape steel sheet on the door frame with spring bolt relevant position, set up the annular guide way in door plant spring bolt position simultaneously, establish techniques such as protection barrel in the annular guide way, make lawless persons adopt the violence to insert the gap between this door plant and the L shape steel sheet with instruments such as crow bar, because the unable direct action of crow bar is in the spring bolt, thereby it is deviate from in the door frame to be difficult to make the spring bolt, the pick-proof performance of this metal pick-proof door has been improved, but this kind of pick-proof device can only protect the spring bolt position, and the structure is more complicated, faults such as card pause also appear easily in the use.
Because the existing anti-prying door can not meet the requirements of people, thieves often steal in a room by prying the door, so that the personal and property safety is seriously threatened, and the social stability and order are seriously influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the anti-prying door which is simple in structure, economic and environment-friendly and extremely high in anti-prying performance aiming at the defects of the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
providing anti-prying steel, which comprises first anti-prying steel and second anti-prying steel, wherein the first anti-prying steel and the second anti-prying steel are respectively and transversely provided with a abdicating hole at one side, the first anti-prying steel and the second anti-prying steel are respectively and longitudinally provided with two rows of fixing holes at intervals in a staggered manner, and the abdicating holes in the first anti-prying steel are matched with the fixing holes at the abdicating hole side in the second anti-prying steel; the first anti-prying steel and the second anti-prying steel are both provided with matching holes which are matched with the lock tongue and the latch bolt and are arranged on the same axis;
when the door lock is in an installation state, a row of fixing holes on the abdicating hole side are fixedly connected with the side face of the door leaf or the door frame through bolts and sleeves, the first anti-prying steel has a parallel gap with the lock side door leaf, and the second anti-prying steel has a parallel gap with the lock side door frame or the lock side sub door leaf side; the sleeve pipe plays spacing and supporting role, and the pick-proof steel is fixed more firmly and stably.
When the door is in a locked state, the second anti-prying steel is positioned between the first anti-prying steel and the door leaf.
Preferably, the side surface of the latch bolt matching hole on the second anti-prying steel is provided with at least 2 adjusting buckle mounting holes.
Preferably, the adjusting buckle is fixedly connected with the adjusting buckle mounting hole through a bolt or a rivet, and when the adjusting buckle is in a use state, the adjusting buckle pushes the inclined tongue to contract and clamp and fix the inclined tongue. The friction of oblique tongue and pick-proof steel when the door is opened and closed can be reduced to the regulation knot, and it is more steady to open, close the door, and the user has better experience.
Preferably, the adjusting buckle is a U-shaped stainless steel groove, the outer groove surface of the U-shaped stainless steel groove is smooth and has no edges and corners, and the inner groove surface of the U-shaped stainless steel groove is abutted to the second anti-prying steel.
Preferably, the adjusting buckle comprises a base, and a cylindrical structure which can freely rotate around the central shaft is arranged on the base. The adjusting buckle with the structure is more stable and smooth in the use process, and the door can be opened and closed more easily and more labor-saving.
Preferably, as the anti-prying steel used for the anti-prying door of the single door, the tail end of a sleeve abdicating hole of the second anti-prying steel fixedly connected to the door frame of the lock side is in a circular arc shape and is matched with a fixing piece for fixing the door frame of the lock side, so that the hole has multiple functions, not only serves as an abdicating function, but also can be used for fixing the door frame on a wall through the hole; as a primary-secondary anti-prying door, the second anti-prying steel fixedly connected to the secondary door leaf is provided with a matching hole matched with the ground rod opening and closing adjusting device of the secondary door leaf.
Preferably, the prying-resistant steel is formed by integral punch forming, and the thickness of the prying-resistant steel is 3-5 mm.
Preferably, the door lock further comprises a door frame, a door leaf and a lock, wherein the lock with a bolt and a latch bolt is arranged on the lock side door leaf, and the hinge side door leaf is rotatably connected with the hinge side door frame through a hinge; the inner door surface of the lock side door leaf is folded to form a side door surface with steps; the first anti-pry steel sleeve-free abdication hole side is abutted against the sealing strip and fixedly connected to the step of the side door surface through a bolt, and the first anti-pry steel sleeve abdication hole side is fixedly connected with the side door surface through a bolt and a sleeve in parallel clearance; the second anti-prying steel sleeve-free abdication hole side is fixedly connected with a step on the side surface of the sub door leaf or a step on the side surface of the lock side door frame through a bolt, and the second anti-prying steel sleeve abdication hole side is fixedly connected with a parallel gap on the side surface of the lock side door frame through a bolt and a sleeve; the first anti-prying steel and the second anti-prying steel are also provided with matching holes matched with the lock tongue and the latch bolt, and when the anti-prying door is in a locked state, the second anti-prying steel is positioned between the first anti-prying steel and the side door face of the lock side door leaf.
Preferably, the hinge has an adjustment mechanism that can displace the door leaf to correct the position of the door leaf.
Preferably, the hinge comprises a hinge and a square groove for accommodating the side leaf plate of the door leaf, and the square groove is riveted or welded in the hinge side door frame; and the door leaf side leaf plate and the square groove are at least provided with 2 adjusting bolts.
The invention has the following anti-prying principles: when the anti-prying door is locked and a lawless person prys the door to open forcibly, a prying bar enters the first anti-prying steel combined with the door leaf from a door gap to contact, the first anti-prying steel deforms when pressure is applied to the first anti-prying steel sufficiently, the first anti-prying steel is close to the second anti-prying steel, so that the strength of the prying bar is transmitted to the second anti-prying steel, the second anti-prying steel deforms to approach the door leaf under stress, and the lock tongue cannot be separated from the lock tongue through hole on the anti-prying steel due to the fact that the first anti-prying steel and the second anti-prying steel are sequentially arranged through the through hole during locking, and the difficulty of opening the anti-prying door is increased.
When the door leaf is jointed with the door frame (or the sub-door leaf), the latch bolt firstly retracts under the pushing of the second anti-prying steel, and then the latch bolt is popped out and clamped with the through hole of the latch bolt on the anti-prying steel, however, because the edge of the anti-prying steel is obvious, the latch bolt and the anti-prying steel generate too large friction force and the retraction is difficult, the latch bolt retracts easily through the adjusting buckle, the door is opened and closed laborsavingly and stably and is not easy to clamp, and the door leaf has stronger practicability and better user experience.
The anti-prying door disclosed by the invention is novel in design, simple in structure, economic and environment-friendly, has various anti-prying capabilities and has great commercial value.
Drawings
FIG. 1 is a schematic view of an anti-prying steel structure of a mother door according to an embodiment of the invention;
FIG. 2 is an enlarged view of the open-close adjusting device of the top and bottom ground poles of FIG. 1;
FIG. 3 is a schematic view of a single door anti-prying steel structure according to an embodiment of the invention;
FIG. 4 is an enlarged view of the tamper-resistant steel adjustment buckle of FIG. 2;
FIG. 5 is a schematic front view of the adjustment buckle;
FIG. 6 is a schematic side view of the adjustment buckle;
FIG. 7 is a schematic structural view of a single door leaf and a single door frame after closing the door according to the embodiment of the present invention;
FIG. 8 is a schematic view of the structure of the adjustment hinge;
in the drawings: 1 first prying-resistant steel, 11 first prying-resistant steel sleeve abdicating hole side, 12 first prying-resistant steel no-sleeve abdicating hole side, 13 casing abdicating holes, 14, first sash-side fixing hole, 15 second sash-side fixing hole, 16 frame-side bolt mating hole, 17 frame-side oblique bolt mating hole, 2 second prying-resistant steel, 21 second prying-resistant steel sleeve abdicating hole side, 22 second prying-resistant steel no-sleeve abdicating hole side, 23 casing abdicating holes, 13 frame-side sleeve abdicating hole, 24 frame-side fixing hole, 25 frame-side second fixing hole, 26 sash-side bolt mating hole, 27 frame-side oblique bolt mating hole, 28 adjusting buckle mounting hole, 29 ground lever opening and closing adjusting device hole, 3 adjusting buckle, 31, cylinder, 32 center shaft, 33 base, 34 adjusting buckle fixing hole, 4 door leaf lock side door leaf, 41, lock side door leaf step, 42 lock side door face, 43 lock side door face, 44 lock side door face, 45 protective cover plates, 5 lock side door frames, 51 lock side door frame inner steps, 52 lock side door frame side faces, 6 sleeves, 7 oblique bolts, 81 step fixing bolts, 82 fixing bolts, 91 door leaf plates, 92 door frame leaf plates, 93 square grooves, 94 leaf plate lower bolts, 95 leaf plate upper bolts and 96 hinge rotating shafts
Detailed Description
The following examples are given in conjunction with the accompanying drawings to further illustrate the embodiments of the present invention. It should be noted that, in the present application, the embodiments and the features in the embodiments may be combined with each other without conflict, and the present invention is not limited to the description of the embodiments below.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
Referring to fig. 7, as shown in fig. 1 to 6, embodiment 1 provides pick-proof steel for a pick-proof door, including first pick-proof steel 1 and second pick-proof steel 2. The first anti-prying steel 1 is transversely provided with fan-side sleeve abdicating holes 13, the second anti-prying steel 2 is transversely provided with frame-side sleeve abdicating holes 23, the first anti-prying steel 1 is longitudinally provided with two rows of fixing holes in a staggered manner, wherein one row on the opening side of the sleeve abdicating hole is a fan-side first fixing hole 14, and the other row is a fan-side second fixing hole 15; the second anti-prying steel 2 is transversely provided with fan-side sleeve abdicating holes 23, the second anti-prying steel 2 is longitudinally provided with two rows of fixing holes in a staggered manner at intervals, wherein one row on the opening side of the sleeve abdicating holes is a frame-side first fixing hole 24, and the other row is a frame-side second fixing hole 25. The fan-side sleeve abdicating hole 13 on the first anti-prying steel 1 corresponds to the first fixing hole 24 on the frame side; the first anti-prying steel 1 and the second anti-prying steel 2 are both provided with matching holes which are matched with the lock tongue and the latch bolt and are on the same axis;
when the lock side door is in an installation state, the first fan side fixing hole or the first frame side fixing hole is fixedly connected with the side face of the door leaf or the door frame through a bolt and a sleeve, the second fan side fixing hole or the second frame side fixing hole can be fixedly connected through a fixing block or a step, the first anti-prying steel and the lock side door leaf have a parallel gap, and the second anti-prying steel and the lock side door frame or the lock side sub-door leaf have a parallel gap; the sleeve pipe plays spacing and supporting role, and the pick-proof steel is fixed more firmly and stably. When the door is in a locked state, the second anti-prying steel is positioned between the first anti-prying steel and the door leaf.
As a preferred embodiment, the side surface of the latch bolt matching hole on the second anti-prying steel 2 is provided with 2 adjusting buckle mounting holes 28.
As a preferred embodiment, the adjusting buckle 3 is further included, the adjusting buckle 3 is fixedly connected with the adjusting buckle mounting hole 28 through an adjusting buckle fixing hole 34 by a bolt or a rivet, the adjusting buckle 3 includes a base 33, and the base 33 is provided with a cylinder 31 structure which freely rotates around a central shaft 32. When the adjusting buckle is in a use state, the adjusting buckle pushes the inclined tongue to contract and clamp and fix the inclined tongue. The friction of latch bolt and pick-proof steel when the reducible opening of adjusting the knot, closing the door, it is more steady to open, close the door, and the user has better experience.
As a substitute for the adjusting buckle, the adjusting buckle can be designed into a U-shaped stainless steel groove, the outer groove surface of the U-shaped stainless steel groove is smooth and has no edges and corners, and the inner groove surface of the U-shaped stainless steel groove is abutted with the second anti-prying steel.
As a preferred embodiment, as an anti-prying door with a single door leaf, the tail end of a second anti-prying steel sleeve abdicating hole fixedly connected to a lock side door frame is arc-shaped and is matched with a fixing piece for fixing the lock side door frame, so that the hole is multifunctional, not only can serve as an abdicating function, but also can be used for fixing the door frame on a wall through the hole; as a child-mother leaf anti-prying door, the second anti-prying steel fixedly connected to the child door leaf is provided with a matching hole matched with the ground rod opening and closing adjusting device of the child door leaf.
As a preferred embodiment, the first anti-prying steel or the second anti-prying steel is integrally punched and formed, and the thickness of the first anti-prying steel or the second anti-prying steel is 3-5 mm.
Example 2
See figures 3-7: embodiment 2 provides an outward opening single door anti-pry door, which includes a door frame, a door leaf and a lock, wherein the door leaf on the side of the door leaf close to the lock is a lock-side door leaf 4, the lock-side door leaf 4 is provided with the lock with a bolt and a latch bolt 7, the door leaf is rotatably connected with the door frame through a hinge, the door leaf connected with the hinge is a hinge-side door leaf, the door frame connected with the hinge is a hinge-side door frame, an outer door surface 43 of the lock-side door leaf extends and is folded to form a protective cover plate 45, and a sealing strip is arranged on the inner side of the protective cover plate 45; the inner door surface 44 of the lock-side door leaf is folded to form a lock-side door leaf-side door surface 42 having a step. The first anti-prying steel 1 is provided with a leaf side sleeve abdicating hole 13 matched with a fixing bolt 82 of the second anti-prying steel 2, the side 12 of the first anti-prying steel sleeve abdicating hole is abutted against a sealing strip and fixedly connected to a step 41 of a lock side door leaf of the lock side door leaf side 42 through a step fixing bolt 81 and a leaf side second fixing hole 15, the side 11 of the first anti-prying steel sleeve abdicating hole is fixedly connected to the side door leaf side 42 of the lock side door leaf through the fixing bolt 82 and a leaf side first fixing hole 14, a sleeve 6 is arranged between the first anti-prying steel 1 and the side door leaf side 42 and at the periphery of the fixing bolt 82, the sleeve 6 plays a role in supporting and limiting and enables the connection between the first anti-prying steel 1 and the lock side door leaf 4 to be more stable, firmly, a gap is formed between the first anti-prying steel 1 and the side door face 42 of the lock side door leaf below the lock side door leaf step 41, and the gap can contain the second anti-prying steel 2 when the door is in a closed position; the second anti-prying steel 1 is provided with a fan-side sleeve abdicating hole 23 matched with a fixing bolt 82 of the first anti-prying steel 1, a second anti-prying steel sleeve abdicating hole side 22 is fixedly connected with a lock-side door section inner step 51 of a lock-side door frame side 52 through a step fixing bolt 81 and a frame-side second fixing hole 25, the second anti-prying steel sleeve abdicating hole side 22 is fixedly connected with the lock-side door frame side 52 through the fixing bolt 82 and the frame-side first fixing hole 24, a sleeve 6 is arranged between the second anti-prying steel 2 and the lock-side door frame side 52 and at the periphery of the fixing bolt 82, the sleeve 6 plays a supporting and limiting role, the connection between the second anti-prying steel 2 and the lock-side door frame 5 is more stable and firm, the second anti-prying steel 2 and the lock-side door frame side 52 have a parallel gap, and the parallel gap can contain the first anti-prying steel 1 when the door is closed. The first anti-prying steel 1 and the second anti-prying steel 2 are also provided with a frame side lock tongue matching hole 16, a frame side inclined tongue matching hole 17, a leaf side lock tongue matching hole 26 and a leaf side inclined tongue matching hole 27 which are matched with the lock tongues and the inclined tongues 7, the corresponding matching holes are on the same axis, and when the anti-prying door is in a locking state, the second anti-prying steel 2 is positioned between the first anti-prying steel 1 and a side door face 42 of the lock side door leaf.
The fan-side first fixing hole, the fan-side second fixing hole, the frame-side first fixing hole and the frame-side second fixing hole on the anti-prying steel of the embodiment are respectively arranged 6-8 and are arranged at intervals along the height direction (longitudinal direction) of the door; the first anti-prying steel and the second anti-prying steel are formed by one-time punch forming, and the thickness is preferably 3-5mm, so that violent damage can be well prevented to a certain extent.
In a preferred embodiment, the second anti-pry steel 2 is further provided with an adjusting buckle fixing hole 34, the adjusting buckle 3 is fixedly connected with the adjusting buckle mounting hole 28 through the adjusting buckle fixing hole 34 through a bolt or a rivet, and when the anti-pry door is in a locked state, the adjusting buckle 3 is located between the latch bolt 7 and the protective cover plate 45. The adjusting buckle 3 of the preferred embodiment is a base 33, and the base 33 is provided with a cylinder 31 structure which can rotate freely around a central shaft 32. The adjusting buckle 3 can reduce the friction between the latch bolt 7 and the second anti-prying steel 2 when the door is opened and closed, so that the door is opened and closed more stably and is easier and more labor-saving.
As a replaced simple adjusting buckle, a U-shaped stainless steel groove can be selected, the outer groove surface of the U-shaped stainless steel groove is smooth and has no edges and corners, and the inner groove surface of the U-shaped stainless steel groove is abutted to the second anti-prying steel. The effect similar to that of the present embodiment can be obtained.
In addition, the end of the frame side casing abdicating hole 23 of the second anti-prying steel 2 fixedly connected to the lock side door frame 5 is arc-shaped, and the diameter of the hole is slightly larger, which is adapted to the fixing member for fixing the lock side door frame 5, that is, the lock side door frame 5 is fixed on the wall by bolts through the hole. The hole has multiple functions, not only serves as the function of giving way to the sleeve 6, but also can be used for fixing and locking the side door frame 5 on the wall;
example 3
1-2 and 5-7 with reference to the accompanying drawings: the embodiment is an anti-prying door of a primary door and a secondary door, and is different from the embodiment 2 in that second anti-prying steel is fixed on the side door surface of a secondary door leaf close to the primary door leaf and is different from a single-door leaf anti-prying door, the second anti-prying steel is provided with an adjusting hole 29 matched with a ground rod opening and closing adjusting device of the secondary door leaf, and the ground rod adjusting device can be pulled through the hole to enable the secondary door leaf to be locked on a door frame or the secondary door leaf to be freely opened and closed. The second anti-prying steel is similar to the first anti-prying steel and the wooden door leaf which are fixed on the side door face of the sub-door leaf, and when the anti-prying door is in a locking state, the second anti-prying steel is positioned between the first anti-prying steel and the side door face of the lock side door leaf.
Example 4
Referring to fig. 8, the present embodiment provides an adjusting hinge, which can displace the door leaf through the adjusting bolt on the hinge, thereby correcting the position of the door.
As shown in fig. 8, the hinge includes a hinge and a square groove 93 for accommodating the door frame leaf 92, the hinge includes a door leaf 91, a door frame leaf 92, and a hinge rotating shaft 96, and the square groove 93 is riveted or welded in the hinge side door frame; the square groove 93 is at least provided with 4 adjusting bolts, wherein bolt caps of 2 lower bolts 94 of the leaf plate close to the hinge rotating shaft are positioned below the leaf plate, the bolts can be rotated through round holes above the bolts, and the rotation of the lower bolts 94 of the leaf plate can correspondingly enable the door frame leaf plate 92 to be far away from or close to the square groove. The upper hinge plate bolt 95 and the lower hinge plate bolt 94 on the upper hinge plate of the door frame have the nut to be matched with each other, and the door leaf has a larger position to be adjusted.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The anti-prying steel comprises first anti-prying steel and second anti-prying steel, and is characterized in that abdicating holes are transversely formed in one side of each of the first anti-prying steel and the second anti-prying steel, two rows of fixing holes are longitudinally arranged on each of the first anti-prying steel and the second anti-prying steel in a staggered mode at intervals, and the abdicating holes in the first anti-prying steel are matched with the fixing holes in the abdicating hole sides in the second anti-prying steel; the first anti-prying steel and the second anti-prying steel are both provided with matching holes which are matched with the lock tongue and the latch bolt and are arranged on the same axis;
when the door is installed, a row of fixing holes on the side of the abdicating hole are fixedly connected with the side face of the door leaf or the door frame through bolts and sleeves, the first anti-prying steel has a parallel gap with the door leaf on the lock side, and the second anti-prying steel has a parallel gap with the door frame on the lock side or the side face of the sub door leaf on the lock side;
when the door is in a locked state, the second anti-prying steel is positioned between the first anti-prying steel and the door leaf.
2. The anti-prying steel according to claim 1, wherein the second anti-prying steel is provided with at least 2 adjusting buckle mounting holes on the side surface of the latch mating hole.
3. The tamper-resistant steel according to claim 2, further comprising an adjusting buckle, wherein the adjusting buckle is fixedly connected with the adjusting buckle mounting hole through a bolt or a rivet, and in a use state, the adjusting buckle pushes the latch bolt to contract and clamp and fix the latch bolt.
4. The tamper-resistant steel according to claim 3, wherein said adjustment buckle is a U-shaped stainless steel groove, an outer groove surface of said U-shaped stainless steel groove is smooth and has no corners, and an inner groove surface of said U-shaped stainless steel groove is abutted to said second tamper-resistant steel.
5. The tamper-resistant steel according to claim 3, wherein said adjustment buckle comprises a base, said base having a cylindrical structure that is freely rotatable about a central axis.
6. The anti-prying steel according to claim 1, wherein the tail end of a second anti-prying steel sleeve abdicating hole fixedly connected to the door leaf is arc-shaped and is adapted to a fixing piece for fixing the lock side door frame; the second anti-prying steel fixedly connected to the sub door leaf is provided with a matching hole matched with the sub door leaf top and bottom rod opening and closing adjusting device.
7. The pick-resistant steel according to any one of claims 1 to 6, wherein said pick-resistant steel is integrally stamped and formed to have a thickness of 3 to 5 mm.
8. An anti-prying door comprising the anti-prying steel of claim 7, further comprising a door frame, a door leaf and a lockset, wherein the lock-side door leaf is provided with the lockset with a lock tongue and a latch bolt, and the hinge-side door leaf is rotatably connected with the hinge-side door frame through a hinge, and is characterized in that the outer door surface of the lock-side door leaf extends and is folded to form a protective cover plate, and a sealing strip is arranged on the inner side of the protective cover plate; the inner door surface of the lock side door leaf is folded to form a side door surface with steps; the opening side of the first anti-prying steel sleeve-free abdicating hole is abutted against the sealing strip and fixedly connected to the step of the side door face through a bolt; and the side of the second anti-prying steel sleeve-free abdicating hole is fixedly connected with the step on the side surface of the sub door leaf or the step on the side surface of the door frame at the lock side through a bolt.
9. The tamper-resistant door as claimed in claim 8, wherein the hinge has an adjustment mechanism which displaces the leaf to provide a positional correction to the leaf.
10. An anti-pry door according to claim 9, wherein said hinge comprises a hinge and a square groove for receiving a side leaf of a door leaf, said square groove being riveted or welded into a hinge side frame; and the door leaf side leaf plate and the square groove are at least provided with 2 adjusting bolts.
CN202123425080.XU 2021-12-28 2021-12-28 Anti-prying steel and anti-prying door Active CN217206141U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123425080.XU CN217206141U (en) 2021-12-28 2021-12-28 Anti-prying steel and anti-prying door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123425080.XU CN217206141U (en) 2021-12-28 2021-12-28 Anti-prying steel and anti-prying door

Publications (1)

Publication Number Publication Date
CN217206141U true CN217206141U (en) 2022-08-16

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Application Number Title Priority Date Filing Date
CN202123425080.XU Active CN217206141U (en) 2021-12-28 2021-12-28 Anti-prying steel and anti-prying door

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Country Link
CN (1) CN217206141U (en)

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