CN219864527U - Anti-picking device for door - Google Patents
Anti-picking device for door Download PDFInfo
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- CN219864527U CN219864527U CN202320381219.5U CN202320381219U CN219864527U CN 219864527 U CN219864527 U CN 219864527U CN 202320381219 U CN202320381219 U CN 202320381219U CN 219864527 U CN219864527 U CN 219864527U
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- movable clamping
- door
- clamping
- clamping strip
- door leaf
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- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000003756 stirring Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an anti-prying device for a door, which belongs to the technical field of locks and comprises a lock body and a door frame hinged with a door leaf, wherein a movable clamping strip is arranged between the door leaf and the door frame, the movable clamping strip is rotatably arranged relative to the door leaf, and the rotation center line of the movable clamping strip is parallel to the vertical line of the side surface of the door leaf; the lock body is arranged on the door leaf and used for driving the movable clamping strip to rotate around the rotation center line; the door frame is provided with a reverse step used for limiting the movable clamping strip, and when the door frame is in a locking state, the lock body pushes the movable clamping strip to rotate so that one side of the movable clamping strip stretches into the reverse step and an included angle is formed between the movable clamping strip and the side face of the door leaf. The utility model replaces the traditional transverse bolt by arranging the movable clamping strip, and has better anti-prying performance.
Description
Technical Field
The utility model belongs to the technical field of locks, and particularly relates to an anti-prying device for a door.
Background
The prior anti-theft door and safe mainly depend on a transverse bolt of a lockset to prevent prying, and the transverse bolt is inserted into a hole in a door frame when the door is locked, thereby playing a role in preventing prying; however, in practical application, the transverse bolts and the door frame holes are limited by the thickness of materials, the strength of materials and the production process, the firmness is not enough, the transverse bolts and the door frame holes are easy to deform and slip under the condition of being pried under stress, the problem of pried and stolen occurs, and although some locks and doors are added with some reinforced anti-theft structures, the problem is not fundamentally solved.
Disclosure of Invention
The utility model aims at the defects and provides the anti-prying device for the door, and the anti-prying lock has good anti-prying performance.
The utility model aims at realizing the following technical scheme: the anti-prying device of the door comprises a lock body and a door frame hinged with a door leaf, wherein a movable clamping strip is arranged between the door leaf and the door frame, the movable clamping strip is rotatably arranged relative to the door leaf, and the rotation center line of the movable clamping strip is parallel to the vertical line of the side edge of the door leaf; the lock body is arranged on the door leaf and used for driving the movable clamping strip to rotate around the rotation center line; the door frame is provided with a protruding clamping stop for limiting the movable clamping strip and a limiting clamping stop for limiting the door leaf, and when in a locking state, the lock body pushes the movable clamping strip to rotate so that one side of the movable clamping strip is matched with the protruding clamping stop, and an included angle is formed between the movable clamping strip and the side face of the door leaf.
Preferably, the movable clamping strip is provided with a movable clamping strip shaft, the side edge of the door leaf is fixedly provided with a clamping strip seat, the clamping strip seat is provided with a vertically arranged clamping strip vertical groove, and the movable clamping strip shaft is rotatably arranged in the clamping strip vertical groove.
Preferably, the limit clamping rail and the protruding clamping rail are fixedly arranged on the door frame.
Preferably, the limiting clamping rail is fixedly arranged on the door frame, the door frame is fixedly provided with a positioning piece and a clamping rail seat, the protruding clamping rail is rotatably arranged on the clamping rail seat, and the rotation center line of the protruding clamping rail is parallel to the center line of the movable clamping bar shaft; a clamping block locating block for preventing the protruding clamping block from rotating towards the outer side of the door frame is fixedly arranged on the protruding clamping block, and a clamping torsional spring which can drive the protruding clamping block to rotate and enable the clamping block locating block to be pressed on the locating piece is arranged between the protruding clamping block and the clamping block seat; when the door leaf is closed and the movable clamping strip is in a locking state, the outer side of the movable clamping strip extrudes the convex clamping rail to rotate towards the inner side of the door frame, so that the protruded movable clamping strip is given way, and the rigid collision between the movable clamping strip and the convex clamping rail is avoided.
Preferably, the lock body comprises a lock shell arranged on the door leaf, a square core and a sliding frame are arranged in the lock shell, the sliding frame is arranged in the lock shell in a sliding mode, a first transmission mechanism used for driving the sliding frame to slide is arranged between the square core and the sliding frame, and a second transmission mechanism used for driving the movable clamping strip to rotate is arranged between the sliding frame and the movable clamping strip.
Preferably, the second transmission mechanism comprises a first bracket joint rotatably arranged on the sliding frame, a first clamping strip bracket is rotatably connected to the first bracket joint, and the first clamping strip bracket is fixedly connected with the movable clamping strip.
Preferably, the number of the second transmission mechanisms is two, the two second transmission mechanisms are symmetrically arranged on the upper side and the lower side of the sliding frame, each second transmission mechanism comprises a telescopic rod which slides vertically, the sliding direction of each telescopic rod is perpendicular to that of the sliding frame, a first guide chute which is obliquely arranged relative to the sliding direction of each telescopic rod is arranged on each telescopic rod, a first guide pin which stretches into the first guide chute is fixedly arranged on each sliding frame, and a first connecting rod is fixedly arranged on each telescopic rod.
Preferably, the end fixing of the first connecting rod opposite to the telescopic rod is provided with a second connecting rod, the second connecting rod is provided with a second guiding chute, a side lock support arranged on the door leaf in a sliding manner is arranged beside the second connecting rod, the sliding direction of the side lock support is the same as that of the sliding frame, a second guiding pin extending into the second guiding chute is fixedly arranged on the side lock support, a second bracket connector is rotationally connected to the side lock support, a second clamping bar bracket is rotationally connected to the second bracket connector, and the second clamping bar bracket is fixedly connected with the movable clamping bar.
Preferably, the clamping strip seat is further provided with a vertically arranged chute, and the first connecting rod is arranged in the chute in a sliding manner.
Preferably, the first connecting rod is fixedly provided with a lifting support, a third support connector is rotationally connected to the lifting support, a third clamping strip support is rotationally connected to the third support connector, and the third clamping strip support is fixedly connected with the movable clamping strip.
Compared with the prior art, the utility model has the following beneficial effects: the utility model replaces the traditional transverse bolt by arranging the movable clamping strip, and has better anti-prying performance.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1;
FIG. 2 is a diagram showing the locked state of embodiment 1;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic diagram of the lock body in embodiment 1;
FIG. 5 is a schematic diagram of an unlock state of embodiment 1;
FIG. 6 is a schematic structural diagram of embodiment 2;
FIG. 7 is a schematic view of the lock body in embodiment 2;
fig. 8 is a schematic view of a part of the structure of the second transmission mechanism in embodiment 2;
FIG. 9 is a schematic diagram of the structure of embodiment 3;
FIG. 10 is a diagram showing the locked state of embodiment 3;
fig. 11 is a schematic view showing a state in which the door is closed after the lock body is locked in embodiment 3;
FIG. 12 is a partially exploded view of embodiment 3;
FIG. 13 is a schematic view of the connection structure between the door frame and the raised crotch;
the marks in the figure: 1. door leaf, 2, door frame, 3, clamping strip seat, 4, vertical groove, 5, movable clamping strip, 6, movable clamping strip shaft, 7, limit clamping strip, 8, protruding clamping strip, 9, lock body, 10, lock shell, 11, square core, 12, sliding frame, 13, first transmission mechanism, 14, quick lock fork, 15, toggle block, 16, toggle groove, 17, master pin, 18, groove, 19, second transmission mechanism, 20, first bracket joint, 21, first clamping strip support, 30, telescopic rod, 31, first guiding chute, 32, first guiding pin, 33, first connecting rod, 34, second connecting rod, 35, second guiding chute, 36, side lock support, 37, second guiding pin, 38, second bracket joint, 39, second clamping strip support, 40, lifting support, 41, third bracket joint, 42, third clamping strip support, 43, chute, 44, positioning piece, 45, clamping seat, 46, clamping positioning block, 47, clamping strip, 48, cam strip, 49, lock core, 50, blocking strip, 51, blocking strip.
Detailed Description
The utility model is further described below with reference to embodiments shown in the drawings in which:
example 1
As shown in fig. 1-5, an anti-picking device of a door comprises a lock body 9 and a door frame 2 hinged with a door leaf 1, wherein a clamping strip seat 3 is fixedly arranged on the side edge of the door leaf 1, and a clamping strip vertical slot 4 is arranged on the clamping strip seat 3; the door is characterized in that one side of the door leaf 1 is hinged with the door frame 2, a movable clamping strip 5 is arranged between the other side of the door leaf 1 and the door frame 2, the movable clamping strip 5 is rotatably arranged relative to the door leaf 1, the rotation center line of the movable clamping strip 5 is parallel to the vertical line of the side face corner of the door leaf 1, a movable clamping strip shaft 6 is fixedly arranged on the movable clamping strip 5, and the movable clamping strip shaft 6 is rotatably arranged in the clamping strip vertical groove 4. The lock body 9 is arranged on the door leaf 1 and is used for driving the movable clamping strip 5 to rotate around a rotation center line; the door frame 2 is provided with a protruding clamping rail 7 for limiting the movable clamping bar 5 and a limiting clamping rail 8 for limiting the door leaf 1, and the limiting clamping rail 7 and the protruding clamping rail 8 are fixedly arranged on the door frame 2. When in the locking state, the lock body 9 pushes the movable clamping strip 5 to rotate so that one side of the movable clamping strip 5 is matched with the convex clamping rail 8, and at the moment, an included angle is formed between the movable clamping strip 5 and the side face of the door leaf 1.
The lock body 9 comprises a lock shell 10 arranged on the door leaf 1, a square core 11 and a sliding frame 12 are arranged in the lock shell 10, the square core 11 is rotatably arranged on the lock shell 10, the sliding frame 12 is slidably arranged in the lock shell 10, a first transmission mechanism 13 for driving the sliding frame 12 to slide is arranged between the square core 11 and the sliding frame 12, the first transmission mechanism 13 comprises a quick lock fork 14 rotatably arranged on the lock shell 10, a poking block 15 and a poking groove 16 are arranged on the quick lock fork 14, and a master pin 17 which is always positioned in the poking groove 16 and can move along the poking groove 16 is fixedly arranged on the sliding frame 12; the square core 11 is provided with a groove 18 matched with the poking block 15. A second transmission mechanism 19 for driving the movable clamping strip 5 to rotate is arranged between the sliding frame 12 and the movable clamping strip 5, the second transmission mechanism 19 comprises a first bracket joint 20 rotatably arranged on the sliding frame 12, a first clamping strip bracket 21 is rotatably connected to the first bracket joint 20, and the first clamping strip bracket 21 is fixedly connected with the movable clamping strip 5.
The door leaf 1 is also fixedly provided with a stop bar 48, and when the anti-prying device is not in a locked state, the stop bar 48 is positioned at the outer side of the protruding clamping seat 8 and shields the protruding clamping seat 8.
The lock case 10 is further provided with a lock core 49, the lock core 49 is provided with a cam 50 capable of rotating along with the lock core 49, the sliding frame 12 is provided with a plurality of clamping grooves 51 arranged along a straight line, and the cam 50 can be sequentially embedded into each clamping groove 51 and drive the sliding frame 12 to slide along with the rotation of the lock core 49.
According to the anti-prying device, the movable clamping strip 5 is arranged to replace a transverse bolt of a traditional lockset, so that the anti-prying performance of the anti-prying device is improved. When this pick-proof device uses, spacing crotch 7 can play spacing support effect to door leaf 1, makes door leaf 1 only can open towards protruding card shelves 8 one side, and when this pick-proof device locked, movable card strip 5 cooperatees with protruding card shelves 8, and protruding card shelves 8 can prevent door leaf 1 to open. If someone picks up the lock with the anti-picking device, the movable clamping strip 5 can be picked up after the protruding clamping strip 8 is damaged, and the protruding clamping seat 8 is fixed on the door frame and is shielded by the clamping strip 48 on the door 1, so that the protruding clamping seat 8 is not easy to damage. Even if the joint of the first bracket joint 20 and the first clamping bar bracket 21 is damaged during picking, the movable clamping bar 5 cannot rotate towards one side of the door leaf 1, and when the door leaf 1 rotates outwards to be opened, the movable clamping bar 5 still abuts against the inner side of the protruding clamping bar 8 and cannot smoothly open the door leaf 1, so that the safety performance of the anti-picking device is improved.
The principle process of use of this embodiment is as follows: the square core 11 rotates clockwise, through recess 18 and stirring piece 15 cooperation, square core 11 rotates and can drive quick lock fork 14 and rotate, and quick lock fork 14 can stir master pin 17 and drive carriage 12 and slide, and carriage 12 will move towards the right side, and carriage 12 will drive first support joint 20, first card strip support 21 motion in proper order, and then drives movable card strip 5 and rotate towards door leaf 1 one side, realizes the unblock process of this pick-proof device, and if need lock, only need anticlockwise rotation square core 11 can.
The anti-picking device can also be used for controlling the locking or unlocking of the movable clamping strip 5 by inserting a key into the lock cylinder 49 to drive the lock cylinder 49 to rotate, so that the lock cylinder 49 drives the cam 50 to rotate and drives the sliding frame 12 to slide.
Example 2
As shown in fig. 6, 7 and 8, compared with embodiment 1, embodiment 2 is different in that two second transmission mechanisms 19 are provided, the two second transmission mechanisms 19 are symmetrically disposed on the upper and lower sides of the sliding frame 12, the second transmission mechanism 19 includes a vertically sliding telescopic rod 30, the sliding direction of the telescopic rod 30 is perpendicular to the sliding direction of the sliding frame 12, a first guiding chute 31 which is obliquely disposed with respect to the sliding direction of the telescopic rod 30 is disposed on the telescopic rod 30, a first guiding pin 32 which extends into the first guiding chute 31 is fixedly disposed on the sliding frame 12, and a first connecting rod 33 is fixedly disposed on the telescopic rod 30. The end part of the first connecting rod 33, which is opposite to the telescopic rod 30, is fixedly provided with a second connecting rod 34, the second connecting rod 34 is provided with a second guiding chute 35, a side lock support 36 which is arranged on the door leaf 1 in a sliding way is arranged beside the second connecting rod 34, the sliding direction of the side lock support 36 is the same as that of the sliding frame 12, the side lock support 36 is fixedly provided with a second guiding pin 37 which stretches into the second guiding chute 35, the side lock support 36 is rotatably connected with a second bracket joint 38, the second bracket joint 38 is rotatably connected with a second clamping bar bracket 39, and the second clamping bar bracket 39 is fixedly connected with the movable clamping bar 5.
The principle process of use of this embodiment is as follows: the square core 11 can be driven to rotate clockwise, the poking block 15 drives the quick lock fork 14 to rotate, the master pin 17 is poked to drive the sliding frame 12 to slide, the sliding frame 12 moves towards the right side, the two telescopic rods 30 simultaneously slide towards the sliding frame 12 through the cooperation of the first guide chute 31 and the first guide pin 32, the first connecting rod 33 and the second connecting rod 34 are driven to move together, the side lock support 36 can be driven to slide towards the right side through the cooperation of the second guide groove and the second guide pin 37, the side lock support 36 sequentially drives the second support joint 38 and the second clamping strip support 39 to move, and the movable clamping strip 5 is driven to rotate towards one side of the door leaf 1, so that the unlocking process of the anti-prying device is realized. The two second transmission mechanisms 19 can drive the movable clamping strips 5 to rotate by setting two points, so that longer movable clamping strips 5 can be set, and if locking is needed, the square core 11 only needs to be rotated anticlockwise.
In this embodiment, the movable locking strip 5 may be divided into two sections, and the two sections are driven by two second transmission mechanisms 19 to lock and unlock.
Example 3
As shown in fig. 9-13, compared with embodiment 2, embodiment 3 is different in that the first connecting rod 33 is fixedly provided with a lifting bracket 40, the lifting bracket 40 is rotatably connected with a third bracket connector 41, the third bracket connector 41 is rotatably connected with a third clamping bar bracket 42, and the third clamping bar bracket 42 is fixedly connected with the movable clamping bar 5. The clamping strip seat 3 is also provided with a vertically arranged chute 43, and the first connecting rod 33 is arranged in the chute 43 in a sliding manner.
The limiting clamping rail 7 is fixedly arranged on the door frame 2, a positioning piece 44 and a clamping rail seat 45 are fixedly arranged on the door frame 2, the protruding clamping rail 8 is rotatably arranged on the clamping rail seat 45, and the rotation center line of the protruding clamping rail 8 is parallel to the center line of the movable clamping rail shaft 6; the protruding clamping block 8 is fixedly provided with a clamping block positioning block 46 for preventing the protruding clamping block 8 from rotating towards the outer side of the door frame 2, and a clamping torsion spring 47 capable of driving the protruding clamping block 8 to rotate and enabling the clamping block positioning block 46 to be pressed on the positioning piece 44 is arranged between the protruding clamping block 8 and the clamping block seat 45; when the door leaf 1 is closed and the movable clamping strip 5 is in a locking state, the outer side of the movable clamping strip 5 extrudes the convex clamping block 8 to rotate towards the inner side of the door frame 2, so that the protruded movable clamping strip 5 is abducted, and the rigid collision between the movable clamping strip 5 and the convex clamping block 8 is avoided.
The principle process of use of this embodiment is as follows:
the square core 11 is rotated clockwise, the stirring block 15 can be driven to drive the quick lock fork 14 to rotate, the master pin 17 is further stirred to drive the sliding frame 12 to slide, the sliding frame 12 moves towards the right side, the two telescopic rods 30 simultaneously slide towards the sliding frame 12 through the cooperation of the first guide chute 31 and the first guide pin 32, the first connecting rod 33 and the lifting support 40 are driven to move towards the sliding frame 12 together, in the process, the third support joint 41 rotates and simultaneously pulls the third clamping bar support 42, and the third clamping bar support 42 drives the movable clamping bar 5 to rotate towards one side of the door leaf 1, so that the unlocking process of the anti-prying device is realized. The two second transmission mechanisms 19 can drive the movable clamping strips 5 to rotate by setting two points, so that longer movable clamping strips 5 can be set, and if locking is needed, the square core 11 only needs to be rotated anticlockwise.
In this embodiment, the movable locking strip 5 may be divided into two sections, and the two sections are driven by two second transmission mechanisms 19 to lock and unlock.
In this embodiment, the protruding card shelves 8 rotate and set up on card shelves seat 45, if the activity card strip 5 is located the state of locking when closing door leaf 1, when activity card strip 5 passes through protruding card shelves 8, activity card strip 5 can promote protruding card shelves 8 and rotate on card shelves seat 45, and the setting of card shelves torsional spring 47 can play the cushioning effect, just so can avoid taking place hard collision between activity card strip 5 and the protruding card shelves 8, reduces the damage to activity card strip 5. Meanwhile, the protruding clamping rail 8 is abutted against the movable clamping strip 5 after the door leaf 1 is closed, so that the door leaf 1 can be prevented from being locked by the anti-prying device when the movable clamping strip 5 is in a locking state, and a user can be prevented from being reversely locked outside the door leaf 1 when the movable clamping strip 5 is in the locking state. When the door leaf 1 needs to be closed, the square core 11 must be rotated first to enable the movable clamping strip 5 to rotate to an unlocking state, under the action of the clamping torsion spring 47, the protruding clamping rail 8 rotates and resets until the clamping rail positioning block 46 is pressed on the positioning piece 44, and then the square core 11 is rotated again to enable the movable clamping strip 5 to lock, so that the anti-prying device can be locked.
It should be understood that in the claims, the specification of the present utility model, all "including … …" should be interpreted as open-ended meaning that it is equivalent to "at least … …", and not as closed-ended meaning that it should not be interpreted to "include … …" only.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides a pick-proof device of door, includes lock body, door frame articulated with door leaf, its characterized in that: a movable clamping strip is arranged between the door leaf and the door frame, the movable clamping strip is rotatably arranged relative to the door leaf, and the rotation center line of the movable clamping strip is parallel to the vertical line of the side edge of the door leaf; the lock body is arranged on the door leaf and used for driving the movable clamping strip to rotate around the rotation center line; the door frame is provided with a protruding clamping stop for limiting the movable clamping strip and a limiting clamping stop for limiting the door leaf, and when in a locking state, the lock body pushes the movable clamping strip to rotate so that one side of the movable clamping strip is matched with the protruding clamping stop, and an included angle is formed between the movable clamping strip and the side face of the door leaf.
2. The anti-prying device for the door according to claim 1, wherein the movable clamping bar is provided with a movable clamping bar shaft, the side edge of the door leaf is fixedly provided with a clamping bar seat, the clamping bar seat is provided with a clamping bar vertical groove, and the movable clamping bar shaft is rotatably arranged in the clamping bar vertical groove.
3. The door tamper resistant apparatus of claim 1 wherein said retainer and said raised retainer are fixedly disposed on the door frame.
4. The anti-prying device for the door according to claim 1, wherein the limiting clamping rail is fixedly arranged on a door frame, a positioning piece and a clamping rail seat are fixedly arranged on the door frame, the protruding clamping rail is rotatably arranged on the clamping rail seat, and the rotation center line of the protruding clamping rail is parallel to the center line of the movable clamping bar shaft; a clamping block locating block for preventing the protruding clamping block from rotating towards the outer side of the door frame is fixedly arranged on the protruding clamping block, and a clamping torsional spring which can drive the protruding clamping block to rotate and enable the clamping block locating block to be pressed on the locating piece is arranged between the protruding clamping block and the clamping block seat; when the door leaf is closed and the movable clamping strip is in a locking state, the outer side of the movable clamping strip extrudes the convex clamping rail to rotate towards the inner side of the door frame, so that the protruded movable clamping strip is given way, and the rigid collision between the movable clamping strip and the convex clamping rail is avoided.
5. The anti-prying device for a door according to claim 2, wherein the lock body comprises a lock shell arranged on the door leaf, a square core and a sliding frame are arranged in the lock shell, the sliding frame is arranged in the lock shell in a sliding mode, a first transmission mechanism for driving the sliding frame to slide is arranged between the square core and the sliding frame, and a second transmission mechanism for driving the movable clamping strip to rotate is arranged between the sliding frame and the movable clamping strip.
6. The door tamper resistant assembly of claim 5, wherein said second actuator includes a first bracket tab rotatably mounted to said carriage, said first bracket tab rotatably coupled to a first strap bracket, said first strap bracket fixedly coupled to said movable strap.
7. The anti-prying device for the door according to claim 6, wherein the number of the second transmission mechanisms is two, the two second transmission mechanisms are symmetrically arranged on the upper side and the lower side of the sliding frame, the second transmission mechanisms comprise telescopic rods which slide vertically, the sliding directions of the telescopic rods are perpendicular to the sliding directions of the sliding frame, the telescopic rods are provided with first guide inclined grooves which are obliquely arranged relative to the sliding directions of the telescopic rods, the sliding frame is fixedly provided with first guide pins which extend into the first guide inclined grooves, and the telescopic rods are fixedly provided with first connecting rods.
8. The anti-prying device of the door according to claim 7, wherein a second connecting rod is fixedly arranged at the end part of the first connecting rod, which is opposite to the telescopic rod, a second guiding chute is arranged on the second connecting rod, a side lock support arranged on the door leaf in a sliding manner is arranged beside the second connecting rod, the sliding direction of the side lock support is the same as that of the sliding frame, a second guiding pin extending into the second guiding chute is fixedly arranged on the side lock support, a second bracket connector is rotatably connected to the side lock support, a second clamping bar bracket is rotatably connected to the second bracket connector, and the second clamping bar bracket is fixedly connected with the movable clamping bar.
9. The door anti-prying apparatus of claim 7, wherein the clip strip seat is further provided with a vertically disposed chute, and the first link is slidably disposed in the chute.
10. The door anti-prying device of claim 7, wherein a lifting bracket is fixedly arranged on the first connecting rod, a third bracket joint is rotatably connected to the lifting bracket, a third clamping bar bracket is rotatably connected to the third bracket joint, and the third clamping bar bracket is fixedly connected with the movable clamping bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320381219.5U CN219864527U (en) | 2023-03-03 | 2023-03-03 | Anti-picking device for door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320381219.5U CN219864527U (en) | 2023-03-03 | 2023-03-03 | Anti-picking device for door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219864527U true CN219864527U (en) | 2023-10-20 |
Family
ID=88332373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320381219.5U Active CN219864527U (en) | 2023-03-03 | 2023-03-03 | Anti-picking device for door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219864527U (en) |
-
2023
- 2023-03-03 CN CN202320381219.5U patent/CN219864527U/en active Active
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