WO2012126408A2 - Dispositif de protection de cadenas - Google Patents

Dispositif de protection de cadenas Download PDF

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Publication number
WO2012126408A2
WO2012126408A2 PCT/CN2012/074653 CN2012074653W WO2012126408A2 WO 2012126408 A2 WO2012126408 A2 WO 2012126408A2 CN 2012074653 W CN2012074653 W CN 2012074653W WO 2012126408 A2 WO2012126408 A2 WO 2012126408A2
Authority
WO
WIPO (PCT)
Prior art keywords
base
padlock
sliding cover
protection device
sliding
Prior art date
Application number
PCT/CN2012/074653
Other languages
English (en)
Chinese (zh)
Other versions
WO2012126408A3 (fr
Inventor
李建锋
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/074653 priority Critical patent/WO2012126408A2/fr
Priority to CN201280000728.3A priority patent/CN102812195B/zh
Publication of WO2012126408A2 publication Critical patent/WO2012126408A2/fr
Publication of WO2012126408A3 publication Critical patent/WO2012126408A3/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E05B67/38—Auxiliary or protective devices

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a padlock protection device. Background technique
  • door locks are used in almost all fields.
  • FIG. 1 is a schematic structural diagram of a padlock protection device in the prior art.
  • the padlock 14 protection device mainly comprises a rotary block 12, a bottom plate 11 and a fastening screw.
  • the bottom plate 11 is mounted on the door panel by a fastening screw, and the rotary block 12 is mounted on the bottom plate 11 by screws 13.
  • the bottom plate 11 has a Z-shaped intermediate bracket 111.
  • the intermediate bracket 111 is provided with a latching hole.
  • the rotating block 12 has convex baffles on both sides, and the rotating block 12 is also provided with a latching hole.
  • the rocker 100 When the door is closed, the rocker 100 is rotated to lock the machine to reject the door, the rocker 100 is placed on the middle bracket 111 of the bottom plate 11, and the rotating block 12 is rotated clockwise to the vertical downward state with the screw 13 as a rotating shaft, and the rocker 100 is located. Between the bottom plate 11 and the rotating block 12, at this time, the latch hole on the rotating block 12 is concentric with the latch hole of the intermediate bracket 111, and the latch 141 of the padlock 14 passes through the latch hole of the rotating block 12 and the intermediate bracket 111. Then, both the rotating block 12 and the rocker 100 are locked by the padlock 14 and cannot be rotated. As can be seen from FIG.
  • the latches 141 of the padlocks 14 are all placed between the raised baffles on both sides of the rotating block 12, so that the steel brazing sticks cannot be used, cannot be opened, and the hydraulic cutting pliers are in the block. It is also difficult to cut the latch 141 under the restriction of the board.
  • the padlock 14 is removed, the rotating block 12 is rotated counterclockwise to the top, and the rocker 100 can be rotated to open The machine refused the door.
  • the above padlock 14 protection device has the following technical problems: First, the bottom plate 11 of the protection device is formed of sheet metal, and the rotating block 12 and the bottom plate 11 are assembled by only one screw 13, and the strength of the device is not high, and it is easy to be smashed. Secondly, since the latch 141 is mainly protected by the convex baffles on both sides of the rotating block 12, the protruding portion is easily bent, causing the latch 141 to be exposed, so that it is easily cut or cleaved.
  • the padlock protection device has a matching sliding cover and a base, which is firmly matched and high in strength, and the sliding cover protects the latch from the inner cavity thereof, thereby effectively preventing violent damage.
  • the present invention provides a padlock protection device applied to a door having a hanging nose, the hanging nose having a lock R hole, and the lock R hole is connected to the lock bolt of the padlock to realize locking of the door.
  • the padlock protection device includes:
  • the slide cover is provided with a locking member facing the base and having a lock R hole, and when the slide cover covers the base, enables the padlock to enter from the open end and pass through the locking member
  • the lock R hole and the lock R hole of the hanging nose enable locking of the locking member and the hanging nose.
  • the padlock protection device cooperates with the sliding cover and the base to form a shell-like structure, the relatively weak latch and the hanging nose can be fully protected, and the latch and the hanging nose can be completely placed on the sliding cover and the base.
  • tools such as steel brazing sticks and hydraulic cutting pliers are not easy to break into the sliding cover; moreover, the sliding cover and the base slide
  • the sliding cover and the base itself have a shell-like overall structure, and there is no breakthrough for the above-mentioned tools; the sliding up and down of the sliding cover cooperates with the locking and unlocking of the padlock, so that the opening and closing of the machine is also convenient.
  • DRAWINGS 1 is a schematic structural view of a padlock protection device in the prior art
  • FIG. 2 is a schematic structural view of a specific embodiment of a padlock protection device and a padlock locked according to the present invention
  • Figure 3 is a schematic view showing the structure of another angle in Figure 2;
  • Figure 4 is a schematic structural view of the padlock protection device of Figure 2 after unlocking
  • Figure 5 is a schematic structural view of the padlock protection device of Figure 3.
  • FIG. 6 is a schematic structural view of the padlock protection device of FIG. 5 after being unlocked
  • FIG. 7 is a schematic structural view of a base in the padlock protection device of FIG. 5;
  • Figure 8 is a schematic structural view of the slider of Figure 3.
  • Figure 9 is a schematic view showing the structure of the scratch-resistant cover on the U-shaped boss of Figure 6;
  • Figure 10 is a schematic view of another angle of the base of Figure 7;
  • Figure 11 is a cross-sectional view of the base chute of Figure 10;
  • FIG. 12 is a schematic structural diagram of another specific embodiment of a padlock protection device provided by the present invention
  • Figure 13 is a schematic structural view of the slider of Figure 12;
  • Figure 14 is a schematic view showing the structure of the U-shaped boss of Figure 12.
  • the door body 10 the padlock 30, the hanging nose 40, the rocker 50, the base 21, the chute 211, the limiting boss 212, the ball 213, the spring 214, the stepped light hole 215, the threaded hole 216, A limiting screw 217, a sliding cover 22, a sliding rail 221, an inner notch 2211, a U-shaped boss 222, a latch hole 2221, a scratch-resistant outer cover 2222, a bending edge 2223, a handle 223, a slide 224, a recess 225, The baffle plate 226 and the fastening screw 227.
  • the core of the present invention is to provide a padlock protection device having a matching sliding cover and a base, which is matched and strong, and the housing formed by the sliding cover and the base protects the latch in the inner cavity thereof. Effectively prevent violent damage.
  • FIG. 2 is a schematic structural view of a specific embodiment of a padlock protection device and a padlock according to the present invention
  • FIG. 3 is a schematic structural view of another angle in FIG. 2
  • FIG. 5 is a schematic structural view of the padlock protection device of FIG. 3
  • FIG. 6 is a schematic structural view of the padlock protection device of FIG.
  • the padlock protection device of this embodiment is applied to a door body 10 having a nose 40 which has a lock R hole which is connected to a lock bolt of the padlock 30 to effect locking of the door body.
  • the padlock protection device comprises a base 21 fixed to the door body 10 and a sliding cover 22 hooked to the base 21.
  • the sliding cover 22 and the base 21 cooperate to form a housing having an open end, as shown in FIG. 5, the sliding cover 22 and the base 21 is fitted with a shell shape having an opening at the lower end, and both sides and the upper end are closed.
  • Figure 7 is a schematic view of the structure of the base in the padlock protection device of Figure 5;
  • Figure 8 is a schematic view of the structure of the slider in Figure 3. In FIG.
  • the two sides of the base 21 have a slot 211 with a slot facing the side
  • the two sides of the slider 22 have a sliding rail 221 inserted into the sliding slot 211 (ie, the bending of the sliding cover 22 on both sides of the sliding portion in the figure)
  • the sliding rail 221 and the sliding slot 211 are locked forward and backward, that is, the sliding cover 22 can only slide down along the sliding slot 211, and it is difficult to move relative to the base 21 from other directions.
  • the padlock 30 (see Fig. 3) placed in the padlock protection device in this embodiment is used to lock the locking system with the rocker 50 (see Fig. 4), i.e., the padlock 30 locks the rocker 50.
  • the hanging nose 40 is fixed on the door body 10.
  • the rocker 50 has a central hole for the hanging nose 40 to pass through, and the latch of the padlock 30 is inserted into the locking R hole of the hanging nose 40, so that the rocker 50 can be locked.
  • the hanging nose 40 is placed between the base 21 and the sliding cover 22.
  • the lower end of the base 21 has an opening. When the base 21 is mounted on the door body 10, the hanging nose 40 is located at the opening. When the slider 22 slides to the lower side, the hanging nose 40 is located between the sliding cover 22 and the base 21, that is, the hanging nose 40 is accommodated in the housing formed by the sliding cover 22 after the cover base 21.
  • the sliding cover 22 is provided with a U-shaped boss 222 disposed toward the base 21 and having a latching hole.
  • the U-shaped boss 222 is disposed at the lower end of the sliding cover 22, and both sides of the U-shaped boss 222 are clamped.
  • the locking hole of the core the sliding cover 22 is slid downwardly and the hanging nose 40 is clamped between the two clamping walls of the U-shaped boss 222.
  • the padlock 30 The latch simultaneously locks the latch hole of the hanging nose 40 and the latching holes of the U-shaped boss 222, and the padlock 30 simultaneously locks the slider 22 and the rocker 50.
  • the operation steps of the padlock protection device are as follows: When the door is closed, the sliding cover 22 is slid downward, and when the latch hole 2221 of the U-shaped boss 222 and the latching hole 40 of the hanging nose 40 are concentric, the lock R of the padlock 30 passes through at the same time.
  • the padlock 30 is unlocked, the sliding cover 22 is slid upward, the rocker 50 is disengaged from the hanging nose 40, and the rocker 50 is rotated to open the machine rejecting the door, the rocker 50 and the door body 10
  • a pre-compressed spring can be provided between them, and after the padlock 30 is removed, the rocker 50 can be automatically bounced off the nose 40 by the action of the spring, which is easier to operate.
  • the U-shaped boss 222 is mainly used for locking with the hanging nose 40 and the padlock 30, thereby fixing the sliding cover 22 and the base 21. It is conceivable that a locking member that cooperates with the lock 30 of the padlock 30 is provided on the sliding cover 22, that is, However, it is not limited to the U-shaped boss 222 structure, for example, the boss structure is directly disposed, and the latch structure is provided with a latch hole that can be concentric with the nose 40 latch hole. Of course, when the U-shaped boss 222 is used as the locking member, since the structure has two side walls, it is convenient to sandwich the hanging nose 40 in the middle, so that the locking is more reliable.
  • FIG. 9 is a structural schematic view of the scratch-resistant outer cover on the U-shaped boss of FIG.
  • the anti-scratch cover 2222 and the U-shaped boss 222 have corresponding threaded holes, which are fixed by the fastening screws 227, and when the U-shaped boss 222 is in the upward contact with the limiting boss 212 of the base 21, the anti-scratch cover 2222 is The upper end surface A is in contact with the limiting boss 212, and when the hanging nose 40 is located between the two clamping walls of the U-shaped boss 222, when the latch passes through the latch hole on the U-shaped boss 222, the scratch-proof cover is also used.
  • the anti-scratch cover 2222 can reduce the wear of the U-shaped boss 222 and ensure the reliability of the locking of the sliding cover 22.
  • the material of the scratch-resistant cover 2222 may be nylon, rubber or tantalum made of other non-metallic materials.
  • the padlock protection device cooperates with the sliding cover 22 and the base 21 to form a shell-like structure, the relatively weak latch and the hanging nose 40 can be fully protected, as can be seen from the figure.
  • the latch and the hanging nose 40 can be completely placed in the housing formed after the sliding cover 22 and the base 21 are fully capped, and part or all of the locking body of the padlock 30 can be included in the protection range of the housing, from any angle.
  • Tools such as steel brazing sticks and hydraulic cutting pliers are not easily broken into the sliding cover 22; further, the sliding cover 22 and the base 21 are slidably engaged, and the sliding groove 211 and the sliding rail 221 are In the manner of snapping, the sliding cover 22 and the base 21 are themselves a shell-like integral structure, and there is no breakthrough for the above-mentioned tool destruction.
  • the sliding cover 22 and the base 21 are made of steel or aluminum alloy die-casting or machining, the strength is even more High, the probability of damage is also smaller.
  • the slide cover 22 and the base 21 can also be formed by sheet metal welding; the upper and lower slides of the slide cover 22 cooperate with the locking and unlocking of the padlock 30, so that the opening and closing of the machine is also convenient. .
  • the slider 22 can also be provided with a handle 223 for sliding the sliding cover 22 along the sliding slot 211, as shown in FIG. 5, which is convenient for practical operation; the side of the sliding cover 22 can also be provided with a side notch for facilitating the latching of the padlock 30. The nose 40 and the slide cover 22 are locked.
  • the structure of the base 21 and the sliding cover 22 is not limited to the above structure, and the sliding groove 211 may be disposed on both sides of the sliding cover 22, and the matching sliding rails 221 are disposed on both sides of the base 21, so that the base 21 and the sliding cover 22 can be slidably connected along the length of the base 21; in addition, the notch of the sliding groove 211 of the base 21 can also be disposed toward the sliding cover 22, of course, the notch is disposed toward the side, so that the interface between the sliding rail 221 and the sliding slot 211 Facing the door body 10, it is more advantageous to prevent damage of the tool.
  • the upper end of the base 21 can be disposed with a limiting boss 212 facing the sliding cover 22.
  • the limiting boss 212 closes the sliding cover 22 and the base 21. The upper end.
  • the sliding cover 22 is unlocked and slides upward until the U-shaped boss 222 is located at the limiting boss 212.
  • the sliding cover 22 cannot continue to move upward, and the limit is set.
  • the sliding cover 22 can be prevented from running too far away from the base 21 when unlocking, and it is convenient to re-lock when the door is closed.
  • the sliding cover 22 detached from the upper end can be reinserted into the sliding slot 211 and locked in a sliding manner.
  • the setting limit is set.
  • the positioning boss 212 makes the operation of the padlock protection device more convenient, and the limiting boss 212 can simply close the upper end of the sliding cover 22 and the base 21 to avoid damage to the upper end of the tool as a breach.
  • the upper end of the slide cover 22 and the base 21 are closed by providing a limit boss 212 at the upper end of the base member 21.
  • the position of the limit boss 212 at the upper end of the slide cover 22 can also achieve the purpose of closing the upper end.
  • the limiting boss 212 is provided with at least one set of pre-compression springs 214.
  • the spring 214 is in a compressed state
  • the spring 214 is disposed toward the sliding cover 22, and the end of the spring 214 is provided with a ball 213.
  • the ball 213 is pressed against the slider 22.
  • the inner surface of the slider 22 is provided with a slide 224 and a recess 225 which cooperate with the ball 213, and the slide 224 and the recess 225 are located at the upper end of the slide 22 and Lock between parts.
  • the slide 224 extends along the sliding direction of the sliding cover 22, the depth of the recess 225 is deeper than the depth of the slide 224, and the recess 225 is connected to the lower end of the slide 224.
  • the limit boss 212 shown in FIG. 7 is provided with three sets of pre-compression springs 214 and balls 213.
  • the slide cover 22 is provided with three sets of parallel-disposed slides 224 and recessed holes 225 at the lower ends of the slides 224. When the door is unlocked, the sliding cover 22 is pushed up, and the ball 213 is relatively rolled down along the upper end of the sliding path 224.
  • the friction between the ball 213 and the sliding cover 22 can be Balanced with the gravity of the slide cover 22, the slide cover 22 can stay at any position without automatically sliding down, which is convenient for the operator to unlock, open the machine to reject the door, lock and the like.
  • the spring 214 and the ball 213 are disposed so that the slide cover 22 can stay at any position without applying an external force.
  • the slip is rationally designed.
  • the size of the 224 and the recess 225 ensures that the friction between the ball 213 and the slider 22 balances the weight of the upper cover, and ensures that the operation of opening and closing the slide 22 is smoother.
  • the lower limit position of the slider 22 can also be set.
  • the lower limit position of the slider 22 is restricted, and the slide cover 22 is prevented from being separated from the base 21 from the bottom, which is the same as the effective effect of setting the upper limit position, and is not described herein.
  • the lower limit position is the U-shaped boss 222 and the nose 40 lock hole. Concentric position, the slide 22 can be locked down to the lower limit position, without manual alignment, which is convenient for practical operation.
  • FIG. 10 is the figure. 7 is a schematic view of another angle of the base, which shows the rear surface of the base 21, that is, the side that is in contact with the door body 10; and FIG. 11 is a cross-sectional view of the base chute of FIG.
  • the lower limit member in FIG. 10 is a limit screw 217 provided in the sliding groove 211 of the base 21.
  • the base 21 and the door body 10 are internally fixed.
  • the front groove wall of the sliding groove 211 of the base 21 is provided with a threaded hole 216, and the rear groove wall is provided with a stepped light hole 215.
  • the limiting screw 217 is driven from the inner side of the door body 10 and spirally inserted into the threaded hole 215 of the base 21 to fix the base 21 and the machine rejecting door.
  • the length of the limiting screw 217 is designed to pass through the stepped light hole 215.
  • the lower end surface of the sliding rail 221 of the sliding cover 22 can interfere with the limiting screw 217 to restrict the sliding cover 22 from continuing downward.
  • the lower end surface of the sliding rail 221 can be provided with an inner notch 2211, and the limiting screw 217 is clamped on the inner side notch 2211.
  • the outer side of the sliding rail 221 during locking can block the limiting screw 217 to prevent the limiting screw 217 from being damaged.
  • the base 21 and the door body 10 are internally fixed, which can effectively prevent the damage tool from directly damaging the connection between the padlock protection device and the door body 10, thereby preventing the padlock protection device from failing.
  • the limiting screw 217 simultaneously functions to fix the door body 10 and the base 21 and set the lower limit position of the sliding cover 22, so that the structure is relatively simple.
  • the lower limit member can also be a card stick disposed directly in the chute 211 to match the slide rail
  • the lower end surface of the 221 is in contact with each other; or the boss is directly disposed on the front surface of the base 21 as a lower limit member.
  • the slide cover 22 When the slide cover 22 is lowered to a certain extent, the lower end surface of the slide cover 22 is in contact with the boss, and the slide cover 22 can be restricted. the goal of.
  • the sliding cover 22U-shaped boss 222 and the base 21 limiting boss 212 are in contact with each other, the sliding cover 22 can only be inserted upward from the lower side of the base 21.
  • the lower limit member is the limiting screw 217
  • the sliding cover is not restricted. 22 is inserted into the base 21, and after being mounted to the door body 10, the limiting screw 217 forms a lower limit member.
  • the lower limit member is configured with other structures, it is required to be a movable structure so that the interference slider 22 is not inserted into the base 21.
  • the embodiment having the spring 214 and the ball 213 can control the speed of pushing the sliding cover 22 downwards, and the limit is reduced, in addition to being able to cause the sliding cover 22 to stay at any position.
  • the impact of the bit screw 217 ensures the stability of the connection between the door body 10 and the base 21, making the operation more secure and reliable.
  • FIG. 12 is a schematic structural view of another embodiment of the padlock protection device provided by the present invention
  • FIG. 13 is a schematic structural view of the slide cover of FIG. 12
  • the U-shaped boss 222 and the slider 22 body have a split structure.
  • the lower end of the sliding cover 22 is provided with a mounting groove 228 extending in the sliding direction.
  • the notch of the mounting groove 228 is parallel to the surface of the sliding cover 22.
  • the side walls of the U-shaped boss 222 have a bending edge 2223 and a bending edge 2223.
  • a threaded hole 215 is provided thereon.
  • the two side bent edges 2223 are inserted into the mounting groove 228 from the lower side of the sliding cover 22, and the U-shaped boss 222 can be slid upward to a predetermined position.
  • the front groove wall of the mounting groove 228 is provided with a mounting waist hole 229, and at a predetermined position, the U-shaped boss 222 and the slide cover 22 are fixed by the screws 230 inserted into the mounting waist hole 229 and the screw hole 215.
  • the U-shaped boss 222 can be mounted at the upper end position, that is, the U-shaped boss 222 slides upward a long distance to ensure that the latch can be placed in the slider 22.
  • the U-shaped boss 222 can be mounted at the lower end position. In this way, the position of the U-shaped boss 222 can be adjusted according to the latches of different specifications of the padlock 30, thereby improving the compatibility of the shield to the padlock 30, that is, the same padlock protection device can meet the requirements of the padlock 30 of various specifications. .
  • a tamper-proof baffle 226 may be disposed between the base 21 and the sliding cover 22.
  • the two tamper-resistant baffles 226 shown in FIG. 6 are located on the U-shaped boss 222 and the sliding rails 221 on both sides of the sliding cover 22. between.
  • the tamper-proof baffle 226 prevents the damaging tool from penetrating into the interior of the slider 22 for damage, further enhancing the reliability of the padlock protection device.
  • the distance between the slider 22 and the base 21 in the foregoing embodiments should ensure that the relative rotation of the latch and the lock body is not interfered after the padlock 30 is opened. Therefore, while the distance between the slide cover 22 and the base 21 is minimized to reduce the operation space of the destruction tool, it should be ensured that the distance can satisfy the insertion and rotation removal of the padlock 30.
  • the latch holes 2221 of the hanging nose 40 and the U-shaped boss 222 are perpendicular to the sliding direction of the slide cover 22, and the padlock 30 is placed between the slide cover 22 and the base 21 in parallel, between the slide cover 22 and the base 21.
  • the distance can be smaller.
  • the length of the latch is increased.
  • the length of the lock body portion of the padlock 30 between the slide cover 22 and the base 21 is equivalent to the length of the lock R, the latch can be directly removed after being opened, the lock is locked. The relative rotation of the body and the latch does not interfere with each other.
  • the distance between the sliding cover 22 and the base 21 is equivalent to the thickness of the padlock 30, and the space for opening the lower end of the padlock protection device is small, and the protection force is strong;
  • the length of the lock body portion of the padlock 30 between the slide cover 22 and the base 21 is greater than the length of the lock R, at this time, the slide cover 22 and the base 21 The distance between them should be appropriately larger than the thickness of the padlock 30 to ensure that the rotation of the lock body is not interfered.
  • the latch holes 2221 of the hanging nose 40 and the U-shaped boss 222 may also be parallel to the sliding direction of the slider 22 or other directions.
  • the padlock protection device described herein is applied to the door of the machine that locks or unlocks the lock bar system.
  • the rocker 50 is basically located inside the protection device, that is, the protection device. It also plays a role in protecting the rocker 50 from damage.
  • the base 21 and the slide cover 22 can be appropriately deformed so as not to interfere with the rotation of the rocker 50 after unlocking.
  • the hanging nose 40 of the embodiment of the present invention is directly fixed to the door body 10. It is conceivable that the hanging nose 40 and the base 21 are processed into a one-piece structure to meet the needs of use.
  • the padlock protection device can also be used for other types of locking systems, and is not limited to the machine rejection door, as long as the padlock system using the padlock 30 and the door body 10 can use the padlock protection device.

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  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

L'invention porte sur un dispositif de protection de cadenas appliqué à une porte présentant un nez. Le dispositif de protection de cadenas comprend : une base et un couvercle coulissant fixé sur le corps de la porte, le couvercle coulissant et la base étant montés à coulissement et, lorsque le couvercle coulissant a recouvert la base, il se forme une coque ayant une extrémité ouverte, et le nez est logé dans la coque; le couvercle coulissant est muni d'un élément de verrouillage qui fait face à la base et présente un trou de loquet et, lorsque le couvercle coulissant a recouvert la base, le cadenas peut entrer par l'extrémité ouverte et bloquer l'élément de blocage et le nez au travers du trou de loquet de l'élément de blocage et du trou de loquet du nez. Dans le dispositif de protection de cadenas, on obtient une structure de coque sous l'effet de la coordination du couvercle coulissant et de la base, le loquet et le nez relativement faibles peuvent être entièrement et parfaitement protégés, le loquet ou une partie du loquet et le nez peuvent être agencés à l'intérieur de la coque, de sorte que, quelque soit l'angle, des outils tels qu'un pied de biche en acier et des pinces coupantes hydrauliques ne peuvent pas facilement entrer dans le couvercle coulissant pour endommager le cadenas; par ailleurs, le couvercle coulissant et la base sont dans des liaisons de coulissement coordonnées, de sorte qu'il n'y a pas de trou de passage sur le couvercle coulissant ni sur la base elle-même pour que des outils viennent endommager le cadenas.
PCT/CN2012/074653 2012-04-25 2012-04-25 Dispositif de protection de cadenas WO2012126408A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2012/074653 WO2012126408A2 (fr) 2012-04-25 2012-04-25 Dispositif de protection de cadenas
CN201280000728.3A CN102812195B (zh) 2012-04-25 2012-04-25 一种挂锁保护装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/074653 WO2012126408A2 (fr) 2012-04-25 2012-04-25 Dispositif de protection de cadenas

Publications (2)

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WO2012126408A2 true WO2012126408A2 (fr) 2012-09-27
WO2012126408A3 WO2012126408A3 (fr) 2013-04-04

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US20150108772A1 (en) * 2013-10-17 2015-04-23 Vsi, Llc Removable seal device for use with a latch

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CN106948679A (zh) * 2017-04-26 2017-07-14 东北农业大学 一种挂锁保护装置
TWI717283B (zh) * 2020-05-27 2021-01-21 林文乙 防撬防剪的掛鎖

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US3953062A (en) * 1975-06-10 1976-04-27 Maston John F Padlock clasp
CN85200679U (zh) * 1985-04-01 1986-05-21 王海平 保险挂锁
CN2085834U (zh) * 1991-02-03 1991-10-02 王福义 防盗锁具
CN1991116A (zh) * 2005-12-29 2007-07-04 王乃华 内镶式防盗挂锁结构
GB2449287A (en) * 2007-05-17 2008-11-19 Bradbury Security Grilles Ltd Security apparatus using a padlock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150108772A1 (en) * 2013-10-17 2015-04-23 Vsi, Llc Removable seal device for use with a latch

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WO2012126408A3 (fr) 2013-04-04
CN102812195B (zh) 2015-06-17
CN102812195A (zh) 2012-12-05

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