CN217538461U - Anti-prying device for lockrand and assembled anti-theft door thereof - Google Patents

Abstract

The utility model discloses a lock-edge anti-pry device and an assembled anti-theft door thereof, wherein the anti-pry device comprises a door lock arranged on a door leaf and a lock plate arranged on a door frame, and the door lock is respectively provided with a lock tongue and a lock post; the lock plate is arranged at the corresponding position of the door frame and the door lock, and a plurality of lock plate through holes are arranged on the lock plate and correspond to the lock tongues and the lock columns one by one; the outer side of the corresponding position of the door leaf and the door lock is also assembled and fixed with a prying-resistant steel plate, the prying-resistant steel plate is provided with a prying-resistant lock bolt hole and a prying-resistant lock cylinder hole, and the prying-resistant lock bolt hole and the prying-resistant lock cylinder hole are respectively assembled with a lock bolt and a lock cylinder; the door frame is provided with a door frame groove; when the door leaf is closed, the anti-prying steel plate is arranged in the door frame groove, and the anti-prying lock bolt hole and the anti-prying lock cylinder hole are respectively opposite to the corresponding lock plate through hole; the lock tongue and the lock column penetrate through the lock plate through hole on the lock plate, the pick-proof lock tongue hole on the pick-proof steel plate and the pick-proof lock column hole, so that the pick-proof steel plate, the lock plate and the door leaf are assembled into a whole.

Description

Anti-prying device for lockrand and assembled anti-theft door thereof

Technical Field

The utility model relates to a pick-proof door technique especially relates to a pick-proof device of lockrand and assembled burglary-resisting door thereof.

Background

The current anti-theft door (anti-prying door) mainly comprises two parts, wherein one part is a door leaf and the other part is a door frame, the door frame is fixed on the wall, one side of the door leaf is hinged with the door frame through a hinge, a door lock is installed on the door leaf, a lock tongue and a lock cylinder are arranged on the door lock, a lock plate is installed on the door frame, and a lock tongue hole matched with the lock tongue and a lock cylinder hole matched with the lock cylinder are formed in the lock plate. When in use, the lock post, the lock tongue and the lock plate are inserted to realize the anti-prying function. Although the lock has a simple structure, the lock has certain pick-proof function. But its jam plate department is the weak point, just generally from jam plate department, jam plate and lock post grafting department begin to destroy, generally only need can pry open the door leaf in less than three minutes. And part of the locking plates can be knocked off due to insufficient strength and direct impact sometimes, so that great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of the prior art, the utility model aims to solve the technical problem that a pick-proof device and assembled burglary-resisting door of lockstitching a border is provided, its pick-proof device increases a pick-proof steel sheet, inserts through the pick-proof steel sheet and realizes more excellent pick-proof function in the door frame.

In order to achieve the purpose, the utility model provides a lock edge anti-prying device, which comprises a door lock arranged on a door leaf and a lock plate arranged on a door frame, wherein the door lock is respectively provided with a lock tongue and a lock post; the lock plate is arranged at the corresponding position of the door frame and the door lock, and a plurality of lock plate through holes are arranged on the lock plate and correspond to the lock tongues and the lock columns one by one; the outer side of the corresponding position of the door leaf and the door lock is also assembled and fixed with a prying-resistant steel plate, the prying-resistant steel plate is provided with a prying-resistant lock bolt hole and a prying-resistant lock cylinder hole, and the prying-resistant lock bolt hole and the prying-resistant lock cylinder hole are respectively assembled with a lock bolt and a lock cylinder;

the door frame is provided with a door frame groove; when the door leaf is closed, the anti-prying steel plate is arranged in the door frame groove, and the anti-prying lock bolt hole and the anti-prying lock cylinder hole are respectively opposite to the corresponding lock plate through hole; the lock tongue and the lock column penetrate through the lock plate through hole on the lock plate, the pick-proof lock tongue hole on the pick-proof steel plate and the pick-proof lock column hole, so that the pick-proof steel plate, the lock plate and the door leaf are assembled into a whole.

As a further improvement, the door frame further comprises a door frame main body, the door frame main body is fixed on the wall, the door frame main body is installed on the door frame main body and is cut apart the frame, the inboard of cutting apart frame and jam plate constitutes a steel plate cavity, pick-proof steel sheet movable mounting is in the steel plate cavity.

As the utility model discloses a further improvement, at the articulated seat of steel sheet intracavity installation, articulated seat is articulated through the one end of first pivot with the dust guard, install the torsional spring between articulated seat and the dust guard, the torsional spring applys the torsion that compresses tightly to the door frame to the dust guard, and the dust guard is sealed door frame inslot side.

As a further improvement, the dustproof surface is provided with a dustproof platform on the end surface of the doorframe groove, and the dustproof platform is clamped in the doorframe groove.

As a further improvement of the utility model, the sealing ring is installed on the dustproof table, and the locking plate around the sealing ring and the door frame inslot side compresses tightly in order to seal the door frame groove.

As a further improvement of the utility model, the other end of the dust guard is provided with a second rotating shaft, and the second rotating shaft is sleeved with a roller in a way of circumferential rotation.

As a further improvement of the utility model, the steel plate cavity is provided with a hinged plate which is hinged with the middle part of the upper locking wane through a third rotating shaft, and the two sides of the upper locking wane positioned on the third rotating shaft are respectively pressed with one side of the U-shaped spring and provided with a locking boss; the other side of the U-shaped spring is arranged on the dividing frame, and the U-shaped spring has elasticity; the anti-prying steel plate is provided with an anti-prying groove, and the anti-prying groove does not penetrate through the anti-prying steel plate in the width direction of the anti-prying steel plate; one end of the upper locking rocker corresponding to the U-shaped spring is opposite to the lock column;

in an initial state, the U-shaped spring applies elastic force to the locking rocker and the corresponding end of the locking plate to rotate towards the locking plate, so that the locking boss is far away from the anti-prying groove; and the lock post passes the pick-proof lock post hole after with the one end that locks wane and U type spring correspond and compress tightly, and the lock post promotes to lock the wane and use the third pivot as the center and rotate extrusion U type spring for the boss of locking clamps and puts into in the pick-proof inslot.

As the utility model discloses a further improvement still includes the platform of ending, end the platform and install on cutting apart the frame, end the platform and be used for the restriction to lock the wane and correspond the end to the biggest angle of jam plate pivoted with U type spring.

As a further improvement of the utility model, a magnet block is also installed at one end of the upper locking wane provided with the upper locking boss, and a reed pipe is installed in the stopping table; in an initial state, the magnet block is attached to the stop table, and the magnet block closes the reed pipe through magnetic force; when the lock cylinder is installed in place, the magnet block is separated from the reed pipe, and the reed pipe is disconnected.

The utility model also discloses an assembled burglary-resisting door, its application has above-mentioned pick-proof device.

The utility model has the advantages that:

the utility model discloses an installation pick-proof steel sheet on the door leaf to set up the door frame groove on the door frame, the pick-proof steel sheet gets into in the door frame after passing the door frame groove, the jam plate is inboard, recycles spring bolt, lock post and passes jam plate, pick-proof steel sheet. When the door leaf is prized, the lock tongue and the lock column are strengthened by the prizing-proof steel plate, so that the prizing-proof difficulty can be greatly increased, and better prizing-proof performance can be obtained. Especially, when one panel of the door leaf is changed into the metal decorative plate, the connection strength of the anti-prying steel plate and the metal decorative plate is greatly increased, so that the anti-prying performance is greatly improved. Simultaneously the utility model discloses still through locking wane and pick-proof steel sheet block to even realize with pick-proof steel sheet and door leaf separation back, destroy the jam plate also very difficult direct pull-out pick-proof steel sheet, open the lock, thereby further increase pick-proof performance. Through three anti-prying designs, a skilled person can pry the door leaf within 5 minutes or more when using a special tool, and the safety is greatly improved.

In addition, the anti-prying steel plate of the utility model is fixed on the door leaf; the lock body is arranged in the door leaf; when locking; the lock head penetrates through the lock hole of the door frame; then passes through the anti-prying steel plate. When the anti-prying is carried out; the pick-proof steel can play 2 key functions:

1. when the outer steel plate is pried; the anti-prying steel is hung on the lock connected with the inner steel plate and the doorframe; the anti-prying performance of the outer steel plate door surface can be multiplied.

2. The lock body is protected and is not easy to damage; the anti-prying steel plate is embedded into the doorframe; the tool can not cross the anti-prying steel plate; the lock body and the lock head can not be touched.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an exploded view of the parts of the first embodiment;

FIG. 4 is a schematic structural diagram according to the first embodiment;

FIG. 5 is a perspective view of one side of a door leaf mounted tamper resistant steel panel in accordance with one embodiment;

fig. 6 is a perspective view of the doorframe 100 on the side where the doorframe channel 111 is provided according to the first embodiment;

FIG. 7 is a schematic view of an assembly process according to the first embodiment;

FIG. 8 is a schematic structural view of a buckle mechanism;

FIG. 9 is a cross-sectional end view of a cam barrel 270;

FIG. 10 is a schematic structural view of the second embodiment;

FIG. 11 is an enlarged view at B of FIG. 10;

FIG. 12 is an exploded view of the parts of the second embodiment;

FIG. 13 is a schematic view showing an assembly process according to the second embodiment;

FIG. 14 is a schematic structural view of the second embodiment with the addition of the latch 820, the positioning edge 282, and the latch cover 810;

FIG. 15 is a schematic structural view of the third embodiment;

FIG. 16 is a view showing the third embodiment of the dust guard 140 pushed open by the anti-prying steel plate;

FIG. 17 is a schematic view of the embodiment after the anti-pry steel plate is completely installed in the doorframe channel 111;

fig. 18 is a schematic structural view of the pry-resistant steel plate 250 and the roller 621;

fig. 19 is a schematic structural view after the upper rocker 710 is mounted.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 being 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 one

Referring to fig. 1 to 7, the security door comprises a door frame 100, a door leaf 200, a hinge 300 and a door lock 400, wherein the door frame 100 is fixed on a wall, and one side of the door leaf 200 is hinged to one side of the door frame 100 through the hinge 300; the door lock 400 is arranged on one side, far away from the hinge 300, of the door leaf 200, and the door lock 400 is provided with a bolt 410 and a lock cylinder 420 respectively; the door frame 100 is provided with a locking plate 120 at a position corresponding to the door lock 400, the locking plate 120 is provided with a plurality of locking plate through holes 121, and the locking plate through holes 121 correspond to the locking tongues 410 and the locking columns 420 one by one. When the anti-prying door is used, the bolt 410 and the lock column 420 respectively penetrate through the corresponding lock plate through holes 121, so that locking and prying prevention are realized, and the main structure of the existing anti-prying door is realized.

The doorframe 100 includes a doorframe main body 110 and a locking plate 120, the locking plate 120 being fixed to the doorframe main body 110, and the doorframe main body 110 being fixed to a wall.

The door leaf 200 includes a first door core plate 210 and a second door core plate 220, the first door core plate 210 and the second door core plate 220 are respectively two, two sides of the two second door core plates 220 are respectively assembled and fixed with the two first door core plates 210, so as to form a door core framework, and the inside of the door core framework can be filled with fillers, in this embodiment, the fillers can be fireproof cotton, soundproof cotton, honeycomb paper and the like.

The door core framework is also internally provided with a door lock 400, specifically, the shell of the door lock 400 is fixed on the door core framework, the door core framework is also respectively provided with a panel 240 at the two first door core plates 210, and the panel 240 is fixed on the corresponding first door core plates 210 through screws; the face plate 240 is further provided with a face plate edge 241, and a screw is assembled with the first door core plate 210 after passing through the face plate edge 241, thereby fixing the face plate 240 to the corresponding first door core plate 210.

The outer side surfaces of the two panels 240 are respectively in clamping assembly with a first clamping strip plate 231 and a second clamping strip plate 232, the first clamping strip plate 231 and the second clamping strip plate 232 are arranged on a door panel clamping strip 230, and the door panel clamping strip 230 is fixed on a door core framework, so that the two panels 240 are further fixed on the door core framework by the door panel clamping strip 230. Specifically, the door panel gib 230 is fixed to the second door core plate 220 by screws.

Preferably, the second door core plate 220 is further provided with a first support plate 221 and a second support plate 222, the inner side of the first support plate 221 is fixedly assembled with the corresponding first door core plate 210, a panel groove 201 is formed between the end surfaces of the two first support plates 221 of the two second door core plates 220, and the panel groove 201 is assembled with the outer side wall of the corresponding panel 240 in a clamping manner, so that the corresponding panel 240 is positioned and clamped; the outer side of the second support plate 222 is fixedly assembled with the corresponding first door core plate 210.

Preferably, the panel 240 is further provided with an edge sinking groove 242 at the edge 241 of the panel, the first lath plate 231 and the second lath plate 232 are respectively snapped into the corresponding edge sinking groove 242, and the inner walls of the first lath plate 231, the second lath plate 232 and the edge sinking groove 242 are pressed tightly, so that the panel 240 is clamped. In this embodiment, the first and second lath plates 231 and 232 cover the screws mounted to the panel edge 241, respectively, so that the anti-detachment function can be achieved because the door panel lath 230 must be removed first to remove the screws.

Referring to fig. 2 and 5, the door panel clip 230 is further assembled and fixed with an anti-prying steel plate 250, the anti-prying steel plate 250 is provided with an anti-prying bolt hole 251 and an anti-prying bolt hole 252, and the anti-prying bolt hole 251 and the anti-prying bolt hole 252 can be respectively assembled with the bolt 410 and the bolt 420; the doorframe body 110 is provided with a doorframe channel 111; when the door 200 is closed, the anti-prying steel plate 250 is installed in the door frame groove 111, and at this time, the anti-prying bolt hole 251 and the anti-prying lock cylinder hole 252 are respectively opposite to the corresponding lock plate through hole 121 (bolt and lock cylinder). At this time, the bolt 410 and the lock cylinder 420 pass through the lock plate through hole 121, the anti-prying bolt hole 251 and the anti-prying lock cylinder hole 252 of the lock plate 120, so that the anti-prying steel plate 250, the lock plate 120 and the door leaf are assembled into a whole, and at this time, the door leaf cannot be broken from the outside of the door leaf so as to achieve the purpose of prying the door leaf, thereby greatly improving the safety.

In this embodiment, the anti-prying steel plate 250 is fixedly assembled with the door panel clamping strip 230 through a screw, and the door panel clamping strip 230 is provided with a clamping strip folded plate 233 at a position corresponding to the door frame groove 111; when the door leaf is closed towards the door frame, the strip-clamping folded plate 233 closes the door frame groove 111 (outer anti-prying step), so that foreign matters can be prevented from entering between the strip-clamping folded plate 233 and the door frame groove 111 to pry the door leaf, and the difficulty in prying the door leaf is increased.

Preferably, in order to prevent foreign matters inside the doorframe channel 111 from affecting the movable assembly of the anti-prying steel plate 250, in this embodiment, a partition frame 130 is further installed on the doorframe main body 110, the partition frame 130 and the inner side of the lock plate 120 form a steel plate cavity 131, and the anti-prying steel plate 250 is movably installed in the steel plate cavity 131.

Referring to fig. 7, in the assembly process of the door leaf, from bottom to top, the panel facing the indoor space is firstly clamped into the panel groove 201; both panels 240 are fixed to the door core frame by screws; installing a door panel fastener strip 230; installing a hinge 300 and a prying-resistant steel plate 250; the door leaf is mounted on the door frame.

Referring to fig. 8 to 9, since the panel is fixed to the first door core plate 210 only at four edges by screws, the first lath plate 231 and the second lath plate 232, and the middle portion is not fixed and bound, once the panel 240 is deformed, it is easily warped and falls off due to insufficient binding. In this case, if the first door core plate 210 is assembled with screws through the face plate, the appearance is deteriorated. The hidden-buckling mechanism is further designed according to the embodiment and comprises a hidden-buckling seat 510, the hidden-buckling seat 510 is fixed on the end face of the panel facing to one end of the door core framework through screws, the outer wall of the hidden-buckling seat 510 is assembled and fixed with the inner side of a hidden-buckling cylinder 270 (in the embodiment, the hidden-buckling cylinder 270 is assembled through screwing threads), a plurality of through notches 271 are formed in the hidden-buckling cylinder 270, the notches 271 are clamped with a stop-releasing buckling head 522 and assembled in a sliding mode, the stop-releasing buckling head 522 is installed at one end of a buckling piece 521, the other end of the buckling piece 521 is installed on the buckling cylinder 520, the buckling cylinder 520 and the hidden-buckling cylinder 270 are assembled and fixed through screwing threads, and the buckling piece 521 has elasticity.

One end of the fastening piece 521 passes through the slot 271 and then is fastened and assembled with the stopping surface 263, the stopping surface 263 is disposed inside the stopping member 260, and the stopping member 260 is fixed on the first door core 210 by a screw, so as to tighten the panel 240 toward the first door core 210 to fix and constrain the panel. The number of the anti-back snap-fit heads 522 is two, the two anti-back snap-fit heads 522 are respectively assembled with two ends of the pulling cable 530, the pulling cable 530 has no elasticity, the pulling cable 530 is clamped into the unlocking groove 541, the unlocking groove 541 is arranged at one end of the unlocking block 540, the unlocking ring 542 is arranged at the other end of the unlocking block 540, the unlocking ring 542 is clamped and slidably arranged in the concealed buckle barrel 270, one end of the unlocking block 540, which is provided with the unlocking groove 541, is assembled with one end of the spring 560, and the other end of the spring 560 is assembled or pressed with the concealed buckle seat 510. The spring 560 is used to apply an elastic force to the unlocking block 540 to hinder the unlocking block from moving toward the unlocking seat 510. A first through hole 211 is formed in the first door core plate 210 at a position corresponding to the concealed fastener seat 510, and the concealed fastener seat 510 is inserted into the retaining member 260 after passing through the first through hole 211.

The unlocking ring 542 is tightly pressed with the retaining block 262, the retaining block 262 is arranged on the cover plate 261, the cover plate 261 is arranged on the retaining piece 260, the retaining buckle 550 is further arranged on the cover plate 261, the retaining buckle 550 is provided with a retaining head 551, one end of the retaining head 551 penetrates through the notch 271 and enters the blind buckling barrel 270, and the retaining head 551 can block the unlocking ring 542 from passing through. The retaining buckle 550 has elasticity, and when the unlocking ring 542 is pressed against the retaining head 551, the retaining head 551 is gradually extruded out of the hidden buckle barrel 270 until the unlocking ring 542 passes through, once the unlocking ring 542 passes through the rear retaining head 551, the retaining head 551 resets through the elasticity of the retaining buckle 550, and at the moment, the unlocking ring 542 needs a certain force to enable the unlocking ring 542 to reversely pass through the unlocking ring 542, so that the position effect of stopping and retaining is realized.

The unlocking block 540 is made of a material capable of being adsorbed by a magnet, when the panel needs to be disassembled, only the electromagnet 900 is needed to apply magnetic attraction force to the unlocking block 540 on the outer side of the panel corresponding to the unlocking block 540, so that the unlocking block 540 is driven to move towards the hidden buckle base 510 by overcoming the elastic force of the spring 560 until the unlocking ring 542 passes through the retaining head 551, in the process, the unlocking block 540 drives the two anti-backing buckle heads 522 to approach each other through a guy cable until the unlocking ring is separated from the anti-backing surface 263 (at this time, the anti-backing buckle heads 522 do not penetrate through the hidden buckle barrel 270 in the axial projection of the hidden buckle base 51), then the magnetic attraction force to the unlocking block 540 is released, at this time, due to the obstruction of the retaining head 551, the unlocking ring 542 does not have enough force to reversely pass through the retaining head 551, and therefore, the state that the anti-backing buckle heads 522 are separated from the anti-backing surface 263 can be maintained. After the panel is installed again, the unlocking ring 542 passes through the holding head 551 and returns to the state of fig. 8 by applying a pushing force pressing the holding head 551 to the unlocking block 540 by a spring.

In this embodiment, a plurality of sets of multi-position hidden buckle mechanisms can be arranged according to actual needs, so that multi-point fixing and binding of the panel are realized. And can set up the sign on the panel corresponds the position with hidden knot mechanism, perhaps hidden knot mechanism is the standard state overall arrangement to subsequent dismouting is convenient for.

Referring to fig. 3, a first sealing strip 101 is further installed on the door frame 100, a second sealing strip 102 is further installed on the door panel clamping strip 230 (at the clamping strip folding plate 233), and the door panel clamping strip 230 can be respectively pressed and sealed with the first sealing strip 101 and the second sealing strip 102 when the door leaf is closed, so that the sealing performance and the sound insulation performance when the door leaf is matched with the door frame are improved.

Example two

Referring to fig. 10-13, since the anti-prying steel plate 250 is assembled with the door panel gib 230 by a screw in the first embodiment, in actual use, the assembly of the door panel gib 230 and the anti-prying steel plate 250 is a weak point and can be pried from the weak point, and once the door panel is pried, the door panel can be easily pried continuously. This embodiment is modified as follows:

modifying the first support plate 221 and the second support plate 222 of the second door core plate 220 to face the same direction, wherein one first door core plate 210 is fixedly assembled with the inner side of the first support plate 221, and the other first door core plate 210 is fixedly assembled with the outer side of the second support plate 222; the inner and outer assembling manners of the two first door core plates 210 and the two second door core plates 220 can not only increase the simplicity degree during assembling, but also increase the impact resistance of the door leaf in the thickness direction.

The outdoor facing panel 240 is also replaced with a metal trim 280, and the metal trim 280 is made of high strength metal, such as steel, aluminum alloy, etc. The metal decoration plate 280 is assembled and fixed with the corresponding first door core plate 210, a panel fixing part 281 is arranged on the metal decoration plate 280, and the second lath 232 is arranged inside the panel fixing part 281 and assembled and fixed with the panel fixing part 281 through screws; the panel fixing portion 281 at one side of the door lock 400 is also assembled and fixed with the anti-pry steel plate 250. The door panel fastener strip 230 is assembled with the metal trim 280 and the panel 240 in such a manner that the metal trim 280 cannot be directly pulled out due to the fastening of the panel by the first fastener strip 231 and the fastening of the panel fixing portion 281 by the second fastener strip 232. The anti-prying steel plate 250 and the second lath 232 are respectively located at the inner side and the outer side of the panel fixing portion 281, so that the panel fixing portion 281 is reinforced and further prevented from being pried open from the panel fixing portion 281.

When the door is closed, the panel fixing portion 281 closes the door frame groove 111, and the outer shell of the door lock 400 is assembled and fixed with the door core frame. At this time, since the metal decorative plate 280 is made of high-strength metal and is shielded by the second lath strip 232, it is difficult to find a point of force between the second lath strip 232 and the doorframe, and it is also difficult to pry the assembly of the second lath strip 232 and the prying-resistant steel plate 250, thereby greatly increasing the safety.

Referring to fig. 13, in the installation process of the door leaf, first, the structural adhesive 290 is applied to the inner side of the metal decoration plate 280, and then the metal decoration plate 280 is fixed to one end surface of the door core frame in a sticking manner, and at this time, the inserting groove 202 is formed between the panel fixing portion 281 and the door core frame; then, inserting one end of the door panel clamping strip 230, which is provided with the second clamping strip 232, into the inserting groove 202, and installing the panel 240; rotating the door panel clamping strip 230 to clamp the first clamping strip 231 into the edge sinking groove 242 and fasten the panel 240; the door panel clamping strip 230 is fixed through screws, the second sealing strip 102 and the anti-prying steel plate 250 are installed, and finally the door leaf and the door frame are installed.

Referring to fig. 14, because there is no positioning design between the metal trim 280 and the door core frame when the metal trim 280 and the door core frame are installed, a tooling is mainly used for positioning at present, which is inefficient on one hand, and on the other hand, when the structural adhesive is not completely solidified, the structural adhesive is taken out or is easily dislocated, and the planar area of the metal trim 280 is large, in this embodiment, only the edge of the metal trim is bound, once the middle part is deformed and lifted, a long-term pulling force is applied to the panel fixing portion 281, and the pulling force may cause the deformation of the panel fixing portion 281, thereby reducing the safety and affecting the use. In addition, the structural adhesive is aged, and once the binding force on the metal decorative plate 280 is not enough after aging, the metal decorative plate 280 and the door core framework are easily layered and hollow, so that the damage of the metal decorative plate 280 is accelerated. Therefore, the present embodiment is modified as follows:

the end surface of the metal ornamental plate 280 facing the door core frame is provided with a positioning table 282, and the inner side wall of the positioning table 282 is pressed against the side wall of the door core frame, so that the metal ornamental plate 280 is positioned with the door core frame. A second through hole 212 is formed in the first door core plate 210 which is in contact with the metal decorative plate 280, a buckle cover 810 is fixed on the inner side of the first door core plate 210 corresponding to the second through hole 212, a hollow buckle cavity 811 is formed inside the buckle cover 810, and a buckle table 812 is arranged in the buckle cavity 811; a buckle 820 is fixed on the metal ornamental plate 280, a buckle end 821 is arranged on the buckle 820, the buckle has elasticity, and the buckle end 821 passes through the second through hole 212 and then enters the buckle cavity 811 and is clamped with the buckle table 812, so that the metal ornamental plate 280 and the door core framework are further bound through the buckle. In this embodiment, can install the several buckle as required at the inboard of metal plaque to realize the further constraint to the big plane of metal plaque 280, this kind of design can not adopt the structure to glue moreover, and directly utilizes buckle and door core skeleton assembly, has not only simplified the process, still makes product quality obtain great promotion. When the metal decorative plate needs to be detached, only an external pulling force or a prying force needs to be applied to the periphery of the buckle so that the buckle end can be withdrawn out of the buckle cover 810.

EXAMPLE III

Referring to fig. 15 to 17, since the door frame groove 111 and the steel plate cavity 131 in this embodiment are both open spaces, and the anti-prying steel plate needs to ensure enough space for shuttle assembly, foreign objects can easily enter the door frame groove 111 and the steel plate cavity 131 when the door frame groove 111 is not closed, which affects the entrance and exit of the anti-prying steel plate. This embodiment is modified as follows:

a hinge seat 132 is installed in the steel plate cavity 131, the hinge seat 132 is hinged to one end of the dust-proof plate 140 through a first rotating shaft 610, a second rotating shaft 620 is installed on the other end of the dust-proof plate 140, and a roller 621 is circumferentially sleeved on the second rotating shaft 620; a dust-proof table 141 is arranged on the end face, facing the door frame groove 111, of the dust-proof plate 140, and a sealing ring 142 is arranged on the dust-proof table 141; the dust-proof table 141 is clamped into the door frame groove 111, and the sealing ring 142 is pressed against the locking plate 120 around the inner side of the door frame groove 111 to seal the door frame groove 111, so that foreign matters are prevented from penetrating through the door frame groove 111 to contaminate the steel plate cavity 131.

Preferably, a torsion spring is installed between the hinge seat 132 and the dust-proof plate 140, and the torsion spring applies a torque force to the dust-proof plate 140 to compress the door frame groove 111, so that the dust-proof plate 140 has enough pressure to the lock plate 120 to compress the sealing ring 142 to seal the door frame groove 111.

When the door leaf is closed, the anti-prying steel plate 250 is arranged in the door frame groove 111 and is gradually compressed with the dustproof table 141, along with the continuous entering of the anti-prying steel plate 250, the anti-prying steel plate 250 can push the dustproof plate 140 to overcome the elasticity of the torsion spring and gradually keep away from the door frame groove 111 to rotate (in a state shown in fig. 16), until the anti-prying steel plate 250 passes through the dustproof plate 140, the roller 621 and the anti-prying steel plate 250 are compressed and roll at the moment, so that the friction between the anti-prying steel plate 250 and the dustproof plate 140 is reduced, and finally, the anti-prying steel plate 250 is installed in place (in a state shown in fig. 17).

Referring to fig. 18, preferably, in order to prevent the roller 621 from interfering with the anti-picking bolt hole 251 and the anti-picking lock cylinder hole 252 to affect the normal movement of the anti-picking steel plate 250, the length (axial length) of the roller in this embodiment needs to be greater than the maximum widths of the anti-picking bolt hole 251 and the anti-picking lock cylinder hole 252, so as to prevent the roller 621 from being jammed into the anti-picking bolt hole 251 and the anti-picking lock cylinder hole 252 to affect the movement of the anti-picking steel plate 250 when in use.

Referring to fig. 18 to 19, preferably, although the design of fig. 10 to 11 can greatly improve the connection strength between the anti-prying steel plate 250 and the metal trim 280 (door core frame), as long as the joint between the anti-prying steel plate 250 and the metal trim 280 is subjected to a sufficient pulling force, the anti-prying steel plate 250 and the metal trim 280 can be pulled apart, and at this time, the door leaf can be pried by only breaking the lock plate, and in order to obtain better safety, the embodiment is further improved as follows:

a locking rocker 710 is added, a hinge plate 133 is installed in the steel plate cavity 131, the hinge plate 133 is hinged with the middle part of the locking rocker 710 through a third rotating shaft 630, and the two sides of the locking rocker 710, which are positioned on the third rotating shaft 630, are respectively pressed against one side of a U-shaped spring 750 and are provided with a locking boss 711; the other side of the U-shaped spring 750 is installed on the division frame 130, and the U-shaped spring 750 has elasticity; the anti-prying steel plate 250 is provided with an anti-prying groove 253, and the anti-prying groove 253 does not penetrate through the anti-prying steel plate 250 in the width direction of the anti-prying steel plate 250; one end of the upper locking rocker 710 corresponding to the U-shaped spring 750 is opposite to the lock cylinder 420;

in an initial state, the U-shaped spring 750 applies an elastic force to the locking plate 710 to rotate the locking plate, so that the locking boss 711 is far away from the anti-prying groove 253; the lock cylinder 420 penetrates through the anti-pry lock cylinder hole 252 and then is pressed against one end of the upper locking rocker 710 and the U-shaped spring 750, and the lock cylinder 420 pushes the upper locking rocker 710 to rotate around the third rotating shaft to press the U-shaped spring 750, so that the upper locking boss 711 is gradually locked in the anti-pry groove 253. At this time, even if the joint of the anti-prying steel plate and the metal decoration plate 280 is damaged and then the lock plate 120 is damaged, the door leaf cannot be opened, because the locking boss 711 is clamped into the anti-prying groove 253, the anti-prying steel plate 250 cannot be pulled out of the steel plate cavity 131 before the lock cylinder is not reset, and therefore, the door leaf cannot be opened, and the safety is higher.

Preferably, in order to prevent the upper locking rocker 710 from affecting the movement of the anti-prying steel plate 250, a stop station 730 is further added to the present embodiment, and the stop station 730 is installed on the partition frame 130. When the anti-prying device is used, the stop table 730 can be used for limiting the maximum angle of rotation of the upper locking wane 710 and the corresponding end of the U-shaped spring to the locking plate, so that the problem that the normal use of the anti-prying steel plate is influenced by the interference of the end and the anti-prying steel plate is avoided.

Preferably, the end of the upper locking rocker 710 provided with the upper locking boss 711 is further provided with a magnet block 720, the stop table 730 is internally provided with a reed switch 740, in an initial state, the magnet block 720 is attached to the stop table 730, the magnet block 720 closes the reed switch 740 through magnetic force, and when the reed switch 720 is closed, a signal is sent to a control chip (MCU) of the door lock, so that it is determined that the lock cylinder is not installed in place. When the lock cylinder is installed in place (the state shown in fig. 17), the magnet block 720 is separated from the reed pipe 740, the reed pipe 740 is disconnected, and the main control chip obtains a signal to judge that the lock cylinder is installed in place. The design is mainly used for detecting whether the automatic back locking function of the door lock is in place or not, and avoiding that the lock column is not installed in place due to the reasons that the door leaf is not closed in place and the like, thereby greatly reducing the anti-prying performance.

The details of the present invention are well known to those skilled in the art.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. A lock-edge anti-pry device comprises a door lock arranged on a door leaf and a lock plate arranged on a door frame, wherein the door lock is respectively provided with a lock tongue and a lock column; the lock plate is arranged at the corresponding position of the door frame and the door lock, and a plurality of lock plate through holes are arranged on the lock plate and correspond to the lock tongues and the lock columns one by one; the anti-prying door lock is characterized in that the outer side of the corresponding position of the door leaf and the door lock is also assembled and fixed with an anti-prying steel plate, an anti-prying lock tongue hole and an anti-prying lock cylinder hole are formed in the anti-prying steel plate, and the anti-prying lock tongue hole and the anti-prying lock cylinder hole are respectively assembled with a lock tongue and a lock cylinder;

the door frame is provided with a door frame groove; when the door leaf is closed, the anti-prying steel plate is arranged in the door frame groove, and the anti-prying lock bolt hole and the anti-prying lock cylinder hole are respectively opposite to the corresponding lock plate through hole; the lock tongue and the lock column penetrate through the lock plate through hole on the lock plate, the anti-prying lock tongue hole on the anti-prying steel plate and the anti-prying lock column hole, so that the anti-prying steel plate, the lock plate and the door leaf are assembled into a whole.

2. The anti-pry apparatus according to claim 1 wherein the door frame further comprises a door frame body, the door frame body being secured to the wall, a divider being mounted on the door frame body, said divider defining a steel plate cavity with the inner side of the lock plate, said anti-pry steel plate being movably mounted in the steel plate cavity.

3. The anti-pry apparatus according to claim 2, wherein a hinge seat is installed in the steel plate cavity, the hinge seat is hinged to one end of the dust-proof plate through a first rotating shaft, a torsion spring is installed between the hinge seat and the dust-proof plate, the torsion spring applies a torsion force to the dust-proof plate to press the door frame, and the dust-proof plate closes the inner side of the door frame groove.

4. The anti-pry apparatus according to claim 3, wherein said dust guard has a dust guard mounted on an end surface thereof facing said door frame channel, said dust guard being received in said door frame channel.

5. The anti-pry apparatus according to claim 4 wherein the dust platform has a gasket mounted thereon, the gasket being compressed against the lock plate about the inside of the door frame channel to seal the door frame channel.

6. An anti-pry apparatus according to any one of claims 3-5, in which a second shaft is mounted on the other end of the dust guard, the second shaft being circumferentially rotatably fitted with rollers.

7. The anti-pry apparatus according to any one of claims 2-5, further comprising an upper locking rocker, wherein a hinged plate is installed in the steel plate cavity, the hinged plate is hinged with the middle portion of the upper locking rocker through a third rotating shaft, and the upper locking rocker is located on two sides of the third rotating shaft and is respectively pressed against one side of the U-shaped spring and is provided with a locking boss; the other side of the U-shaped spring is arranged on the dividing frame, and the U-shaped spring has elasticity; the anti-prying steel plate is provided with an anti-prying groove, and the anti-prying groove does not penetrate through the anti-prying steel plate in the width direction of the anti-prying steel plate; one end of the upper locking rocker corresponding to the U-shaped spring is opposite to the lock column;

in an initial state, the U-shaped spring applies elastic force to the locking rocker and the corresponding end of the locking plate to rotate towards the locking plate, so that the locking boss is far away from the anti-prying groove; and the lock post passes the pick-proof lock post hole after with the one end that locks wane and U type spring correspond and compress tightly, and the lock post promotes to lock the wane and use the third pivot as the center and rotate extrusion U type spring for the boss of locking clamps and puts into in the pick-proof inslot.

8. The anti-pry apparatus according to claim 7 further comprising a stop table mounted on the divider frame for limiting the maximum angle of rotation of the upper latch rocker relative to the end of the U-shaped spring toward the latch plate.

9. The anti-pry apparatus according to claim 8, wherein said upper locking rocker has a magnet mounted on one end thereof provided with said upper locking boss, and said stop table has a reed pipe mounted therein; in an initial state, the magnet block is attached to the stop table, and the magnet block closes the reed pipe through magnetic force; when the lock cylinder is installed in place, the magnet block is separated from the reed pipe, and the reed pipe is disconnected.

10. An assembled security door, characterized in that the anti-picking device according to any of claims 1-9 is applied.

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