Lockset with anti-disassembly structure and ladder stand applying lockset
By incorporating anti-tampering devices and a magnetic induction system into the locks, the problem of easy disassembly of the locks is solved, achieving anti-tampering protection and convenient replacement of the locks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-04-10
AI Technical Summary
Existing locks are easily disassembled by unauthorized personnel at construction sites, posing a safety hazard, and maintenance and upgrades require the use of force to destroy the locks.
A lock with an anti-tamper structure was designed. The anti-tamper device is set on the lock body and the lock buckle mounting base. It is hidden when locked by using the mounting notch or connecting hole. Combined with the anti-tamper plate and magnetic element sensing, the anti-tamper protection is achieved.
It effectively prevents unauthorized disassembly of locks, simplifies the lock replacement process, and improves security and maintenance convenience.
Smart Images
Figure CN224107080U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of lockset, more particularly, to a lockset with anti-disassembly structure and a cat ladder using the same. BACKGROUND
[0002] At present, in the fields of electric power, chemical industry, smelting and water treatment, construction personnel have the demand of climbing operation when operating, at which time the cat ladder is used, and the cat ladder is locked after being used by the construction personnel to prevent the personnel without authorization from climbing the cat ladder, thereby causing dangerous accidents.
[0003] At present, most of the locksets on the market are installed from the inside of the door by using fixed screws, which has the advantage of convenient fixing of the lockset, but such a structure does not consider the problem of disassembly of the lockset from the outside or the inside of the door by using tools, which leads to the screws for fixing the lockset being easily disassembled, thereby causing the lockset to be opened and the door lock function to be invalid.
[0004] In addition, there is also a lockset on the market at present, which is provided with an anti-disassembly screw inside the door to avoid disassembly of the lockset, which has the advantage of avoiding disassembly of the lockset, but also brings a new problem that the lockset has to be forcibly destroyed when the lockset needs to be maintained and upgraded.
[0005] Therefore, it is necessary to provide a lockset with an anti-disassembly structure and a cat ladder using the same to solve the above problems. SUMMARY
[0006] The utility model provides a lockset with an anti-disassembly structure and a cat ladder using the same to overcome at least one of the defects (shortcomings) of the prior art.
[0007] To solve the above technical problems, the technical scheme of the utility model is as follows: a lockset with an anti-disassembly structure, comprising a lock body, a lock body mounting seat, a lock catch and a lock catch mounting seat, the lock body is detachably arranged on the lock body mounting seat, the lock catch is detachably arranged on the lock catch mounting seat, and further comprising a lockset anti-disassembly device for shielding the disassembly positions between the lock body and the lock body mounting seat and the lock catch and the lock catch mounting seat.
[0008] The lock body mounting seat and the lock catch mounting seat are both provided with mounting notches or mounting communication holes.
[0009] The lock anti-disassembly device is fixed on the lock body mounting seat and the lock catch mounting seat through the mounting gap or the mounting through hole respectively, when the lock body and the lock catch are locked with each other, the mounting gap or the mounting through hole on the lock body mounting seat and the lock catch mounting seat are hidden after being matched with each other, since the lock body is detachably arranged on the lock body mounting seat and the lock catch is detachably arranged on the lock catch mounting seat, the lock body and the lock catch are convenient to replace, and the lock anti-disassembly device arranged on the lock body mounting seat and the lock catch mounting seat can shield the disassembly position between the lock body and the lock body mounting seat and between the lock catch and the lock catch mounting seat, and when the lock body and the lock catch are locked with each other, the mounting gap or the mounting through hole on the lock body mounting seat and the lock catch mounting seat are hidden after being matched with each other, at this time, a screwdriver cannot be inserted into the mounting gap or the mounting through hole to unlock the lock anti-disassembly device, thereby playing a protection role of preventing disassembly when the lock body and the lock catch are closed.
[0010] Further, the lock anti-disassembly device is a lock anti-disassembly plate with a fixing portion, through the lock anti-disassembly plate with the fixing portion, the disassembly position between the lock body and the lock body mounting seat and between the lock catch and the lock catch mounting seat can be shielded, and it is avoided that an unauthorized person easily disassembles the lock body or the lock catch under the condition that the lock is closed.
[0011] Still further, the fixing portion and the lock anti-disassembly plate are in an integrated structure, the integrated fixing portion and the lock anti-disassembly plate are convenient for quick installation of the lock anti-disassembly device and simplify the structure of the lock anti-disassembly device.
[0012] Further, the lock body fixing screw, the lock catch fixing screw and the lock anti-disassembly plate fixing screw are further included.
[0013] The lock body is fixed in the lock body mounting seat through the lock body fixing screw, and the lock catch is fixed in the lock catch mounting seat through the lock catch fixing screw.
[0014] The lock anti-disassembly plate fixing screw fixes the fixing portion of the lock anti-disassembly plate in the lock body mounting seat after passing through the mounting gap or the mounting through hole on the lock body mounting seat.
[0015] The lock anti-disassembly plate fixing screw fixes the fixing portion of the lock anti-disassembly plate in the lock catch mounting seat after passing through the mounting gap or the mounting through hole of the lock catch mounting seat, the lock body is fixed in the lock body mounting seat through the lock body fixing screw, and the lock catch is fixed in the lock catch mounting seat through the lock catch fixing screw, thereby realizing the fixation of the lock body and the lock catch, and when the lock anti-disassembly plate is installed through the lock anti-disassembly plate fixing screw, the lock anti-disassembly plate can shield the lock body fixing screw and the lock catch fixing screw, and since the mounting gap or the mounting through hole for installing the lock anti-disassembly plate fixing screw is shielded when the lock body and the lock catch are locked, the disassembly is prevented when the lock body and the lock catch are locked.
[0016] Further, the lock body comprises a lock cylinder, a lock cylinder stop pin, a rotating piece, a movable block, a PCB fixing support, a PCB circuit board, a pressing block, a bolt and a lock shell arranged on a lock body mounting seat;
[0017] The bolt is provided with a first limiting groove and a second limiting groove;
[0018] The lock cylinder is arranged on the lock shell through the lock cylinder stop pin;
[0019] One end of the rotating piece is connected with the lock cylinder, and the other end is connected with the movable block, and the movable block is arranged on the first limiting groove or the second limiting groove of the bolt according to the installation position of the bolt;
[0020] The PCB circuit board is arranged on the PCB fixing support, and the PCB circuit board is provided with an MCU controller;
[0021] The PCB fixing support is sleeved in the lock shell, and the pressing block is used to press and fix the PCB fixing support in the lock shell, and since the first limiting groove and the second limiting groove are arranged on the bolt, the first magnetic element is arranged on the bolt, and the first magnetic element is close to the first limiting groove, when the bolt passes through the lock body and the lock catch at the same time, that is, the bolt is in the locked state, the first limiting groove of the bolt and the movable block are mutually arranged, the first magnetic element of the bolt and the lock state passive induction element in the lock body are mutually inducted, when the lock is needed to be opened, the key is inserted into the lock cylinder, and the rotating piece and the movable block are simultaneously rotated in the process of rotating the key, at this time, the movable block exits the first limiting groove, at this time, the bolt exits the lock catch, and when the key exits the lock cylinder, the movable block is arranged on the second limiting groove of the bolt.
[0022] Further, the lock cylinder is provided with a code sheet, the code sheet is provided with a coil or an NFC antenna for feedback signal, the coil or the NFC antenna is connected with the MCU controller, and through the arrangement of the coil or the NFC antenna for feedback signal, the signal and information received by the MCU controller can be fed back to the remote terminal, so that the remote terminal can record the mutual induction of the lock state passive induction element and the door state passive induction element and the first magnetic element and / or the second magnetic element.
[0023] Further, the lock body is internally provided with a lock state passive sensing component connected with the MCU controller and a door state passive sensing component, the bolt is provided with a first magnetic element, the lock catch is provided with a second magnetic element, the MCU controller detects the state between the lock body and the bolt and the lock catch in real time according to the mutual induction of the lock state passive sensing component, the door state passive sensing component, the first magnetic element and / or the second magnetic element, in the utility model, the model of the MCU controller is CH444G, the MCU controller can detect the state between the lock body and the bolt and the lock catch in real time according of the mutual induction of the lock state passive sensing component, the door state passive sensing component, the first magnetic element and / or the second magnetic element, thereby the closing and locking of the lock body and the lock catch are judged quickly.
[0024] Further, the lock state passive sensing component and the door state passive sensing component are all dry reed or proximity switch, the first magnetic element and the second magnetic element are all magnet, when the lock state passive sensing component and the door state passive sensing component are dry reed, when the first magnetic element and the second magnetic element are close to the dry reed, the two springs of the dry reed are magnetized to generate magnetic field of different polarity, when the first magnetic element and the second magnetic element are pasted on the dry reed, the two springs are attracted together, so that conduction is realized, when the first magnetic element and the second magnetic element are separated from the dry reed, the two springs are gradually demagnetized and disconnected, so that disconnection is realized, when the lock state passive sensing component and the door state passive sensing component are all proximity switch, if the first magnetic element and the second magnetic element are pasted on the proximity switch, the proximity switch can detect the approach of the magnetic element to trigger the opening of the proximity switch, when the first magnetic element and the second magnetic element are separated from the proximity switch, the proximity switch is closed, in actual application, the lock state passive sensing component, the door state passive sensing component, the first magnetic element and the second magnetic element can also be replaced by other similar devices, which are all within the protection scope of the utility model.
[0025] Further, the lock body mounting seat is provided with a buckle, and the lock catch mounting seat is provided with a buckle block matched with the buckle, so that the lock body mounting seat and the lock catch mounting seat can be doubly fixed.
[0026] In the utility model, a climbing ladder applying the lock is also disclosed, which comprises a climbing ladder body and a retaining ring.
[0027] The lock body and the lock body mounting seat are arranged on the climbing ladder body or the retaining ring, and the lock catch and the lock catch mounting seat are arranged on the retaining ring or the climbing ladder body.
[0028] The lock anti-disassembly device is fixed on the lock body mounting seat and the lock catch mounting seat through the mounting notches or the mounting through holes respectively, and the disassembly positions between the lock body and the lock body mounting seat and the lock catch and the lock catch mounting seat are shielded, when the ladder body and the blocking ring are locked with each other, the mounting notches or the mounting through holes on the lock body mounting seat and the lock catch mounting seat are hidden after being mutually attached, the lock of the utility model is applied to the ladder, the lock function of the ladder is realized, the difficulty of forcibly disassembling the lock by unauthorized personnel is increased, and the unauthorized personnel cannot disassemble the lock of the ladder to climb the ladder without permission.
[0029] Compared with the prior art, the utility model technical scheme has the beneficial effects that:
[0030] The lock with the anti-disassembly structure disclosed by the utility model is characterized in that the lock body is detachably arranged on the lock body mounting seat, and the lock catch is detachably arranged on the lock catch mounting seat, so that the lock body and the lock catch are convenient to replace, the lock body and the lock body mounting seat and the lock catch and the lock catch mounting seat are shielded by the lock anti-disassembly device arranged on the lock body mounting seat and the lock catch mounting seat, and when the lock body and the lock catch are locked with each other, the mounting notches or the mounting through holes on the lock body mounting seat and the lock catch mounting seat are hidden after being mutually attached, so that the lock anti-disassembly device cannot be unlocked by inserting a screwdriver into the mounting notches or the mounting through holes, and the lock body and the lock catch are protected from being disassembled when being closed. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 is the structure schematic view of the lock with the anti-disassembly structure in the utility model when being locked.
[0032] Figure 2 is the structure schematic view of the lock with the anti-disassembly structure in the utility model when not being locked.
[0033] Figure 3 is the structure schematic view of the lock with the anti-disassembly structure in the utility model after being cut open.
[0034] Figure 4 is the structure schematic view of the bolt in the utility model.
[0035] Figure 5 is the structure schematic view of the lock catch in the utility model.
[0036] Figure 6 is the structure schematic view of the bolt in the lock body when being in the locked state.
[0037] Figure 7 is the structure schematic view of the bolt in the lock body when being in the unlocked state.
[0038] Figure 8 is the sectional view of the lock body and the lock catch in the locked state in the utility model.
[0039] Figure 9 is the sectional view of the lock body and the lock catch in the unlocked state in the utility model.
[0040] Figure 10 is the exploded view of the lock body in the utility model.
[0041] Figure 11 is the structure schematic view of the lock device anti-disassembly device in the utility model.
[0042] Figure 12 is the internal structure principle view of the lock body in the utility model.
[0043] Figure 13 is the structure schematic view of the ladder stand and the blocking ring in the locked state in the utility model.
[0044] Figure 14 is the structure schematic view of the ladder stand and the blocking ring in the unlocked state in the utility model.
[0045] Figure 15 is the structure schematic view of the blocking ring in the utility model.
[0046] Figure 16 is the structure schematic view of the lock catch arranged on the blocking ring in the utility model.
[0047] Figure 17 is the structure schematic view of the lock catch arranged on the blocking ring in another angle in the utility model.
[0048] Figure 18 is the structure schematic view of the lock device anti-disassembly device arranged on the lock catch mounting seat in the utility model.
[0049] Figure 19 is the structure schematic view of the lock device anti-disassembly device arranged on the lock body mounting seat in the utility model.
[0050] Figure 20 is the structure schematic view of the lock device anti-disassembly device shielding the disassembly position of the lock body and the lock catch when the lock body and the lock catch are locked in the utility model.
[0051] In the figure, 1 is a lock body, 2 is a lock body mounting seat, 3 is a lock catch, 4 is a lock catch mounting seat, 5 is a lock anti-disassembly device, 6 is a mounting notch, 7 is a fixed part, 8 is a lock anti-disassembly plate, 9 is a lock body fixing screw, 10 is a lock catch fixing screw, 11 is a lock anti-disassembly plate fixing screw, 12 is a lock cylinder, 13 is a lock cylinder stop pin, 14 is a rotating part, 15 is a movable block, 16 is a PCB fixing support, 17 is a PCB circuit board, 18 is a pressing block, 19 is a bolt, 20 is a lock shell, 21 is a first limiting groove, 22 is a second limiting groove, 23 is a code sheet, 24 is an NFC antenna, 25 is a lock state passive sensing component, 26 is a door state passive sensing component, 27 is a first magnetic element, 28 is a second magnetic element, 29 is a buckle, 30 is a buckle block, 31 is a ladder body, 32 is a blocking ring, 33 is a hinge, 34 is an MCU controller. DETAILED DESCRIPTION
[0052] The drawings are only used for illustrative description, and should not be understood as limiting the patent; in order to better illustrate the embodiment, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.
[0053] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be said that the two elements are connected internally. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The technical solutions of the present application will be further described below in conjunction with the drawings and examples.
[0054] As Figures 1-10As shown, a lock with anti-disassembly structure, comprising a lock body 1, a lock body mounting seat 2, a lock catch 3 and a lock catch mounting seat 4, the lock body 1 is detachably arranged on the lock body mounting seat 2, the lock catch 3 is detachably arranged on the lock catch mounting seat 4, further comprising a lock anti-disassembly device 5 for shielding the disassembly part between the lock body 1 and the lock body mounting seat 2, the lock catch 3 and the lock catch mounting seat 4; the lock body mounting seat 2 and the lock catch mounting seat 4 are both provided with mounting notches 6 or mounting through holes; the lock anti-disassembly device 5 is fixed on the lock body mounting seat 2 and the lock catch mounting seat 4 through the mounting notches 6 or the mounting through holes respectively, when the lock body 1 and the lock catch 3 are locked with each other, the mounting notches 6 or the mounting through holes on the lock body mounting seat 2 and the lock catch mounting seat 4 are hidden after being pasted with each other, since the lock body 1 is detachably arranged on the lock body mounting seat 2, and the lock catch 3 is detachably arranged on the lock catch mounting seat 4, thus facilitating the replacement of the lock body 1 and the lock catch 3, and through the lock anti-disassembly device 5 arranged on the lock body mounting seat 2 and the lock catch mounting seat 4, the disassembly part between the lock body 1 and the lock body mounting seat 2, the lock catch 3 and the lock catch mounting seat 4 can be shielded, and when the lock body 1 and the lock catch 3 are locked with each other, at this time the mounting notches 6 or the mounting through holes on the lock body mounting seat 2 and the lock catch mounting seat 4 will be hidden after being pasted with each other, at this time a screwdriver cannot be inserted into the mounting notches 6 or the mounting through holes to unlock the lock anti-disassembly device 5, thus playing a protection role of anti-disassembly when the lock body 1 and the lock catch are closed.
[0055] As Figure 11As shown, the lock anti-disassembly device 5 is a lock anti-disassembly plate 8 with a fixed part 7. Through the lock anti-disassembly plate 8 with the fixed part 7, the disassembly between the lock body 1 and the lock body mounting seat 2, the lock catch 3 and the lock catch mounting seat 4 can be shielded, so that the lock catch 3 or the lock catch 3 can be easily disassembled without authorization in the case of lock closure. The fixed part 7 and the lock anti-disassembly plate 8 are of an integrated structure. The integrated fixed part 7 and the lock anti-disassembly plate 8 facilitate quick installation of the lock anti-disassembly device 5 and simplify the structure of the lock anti-disassembly device 5. In addition, it also includes a lock body fixing screw 9, a lock catch fixing screw 10 and a lock anti-disassembly plate fixing screw 11. The lock body 1 is fixed in the lock body mounting seat 2 through the lock body fixing screw 9. The lock catch 3 is fixed in the lock catch mounting seat 4 through the lock catch fixing screw 10. The lock anti-disassembly plate fixing screw 11 passes through the installation gap 6 or the installation communication hole on the lock body mounting seat 2, and then fixes the fixed part 7 of the lock anti-disassembly plate 8 in the lock body mounting seat 2. The lock anti-disassembly plate fixing screw 11 passes through the installation gap 6 or the installation communication hole of the lock catch mounting seat 4, and then fixes the fixed part 7 of the lock anti-disassembly plate 8 in the lock catch mounting seat 4. The lock body 1 is fixed in the lock body mounting seat 2 through the lock body fixing screw 9. The lock catch 3 is fixed in the lock catch mounting seat 4 through the lock catch fixing screw 10. The fixing of the lock body 1 and the lock catch 3 is realized. When the lock anti-disassembly plate 8 is installed through the lock anti-disassembly plate fixing screw 11, the lock anti-disassembly plate 8 can shield the lock body fixing screw 9 and the lock catch fixing screw 10. Because the installation gap 6 or the installation communication hole for installing the lock anti-disassembly plate fixing screw 11 will shield each other when the lock body 1 and the lock catch 3 are in the locked state, the anti-disassembly is realized when the lock body 1 and the lock catch 3 are in the locked state.
[0056] As Figure 12As shown, the lock body 1 comprises a lock cylinder 12, a lock cylinder stop pin 13, a rotating piece 14, a movable block 15, a PCB fixing bracket 16, a PCB circuit board 17, a pressing block 18, a bolt 19 and a lock shell 20 arranged on the lock body mounting seat 2; the bolt 19 is provided with a first limiting groove 21 and a second limiting groove 22; the lock cylinder 12 is arranged on the lock shell 20 through the lock cylinder stop pin 13; one end of the rotating piece 14 is connected with the lock cylinder 12, and the other end is connected with the movable block 15; the movable block 15 can be clamped and arranged on the first limiting groove 21 or the second limiting groove 22 of the bolt 19 according to the installation position of the bolt 19; the PCB circuit board 17 is arranged on the PCB fixing bracket 16, and the PCB circuit board 17 is provided with an MCU controller 34; the PCB fixing bracket 16 is sleeved in the lock shell 20, and the pressing block 18 is pressed and fixed in the lock shell 20; since the first limiting groove 21 and the second limiting groove 22 are arranged on the bolt 19, and the first magnetic element 27 is arranged on the bolt 19 and close to the first limiting groove 21, when the bolt 19 passes through the lock body 1 and the lock catch 3 at the same time, that is, the bolt 19 is in the locked state, the first limiting groove 21 of the bolt 19 and the movable block 15 are clamped and arranged with each other, and the first magnetic element 27 of the bolt 19 and the lock state passive induction element 25 in the lock body 1 are inductively coupled with each other; when unlocking is needed, the key is inserted into the lock cylinder 12, and the rotating piece 14 and the movable block 15 are rotated at the same time in the process of rotating the key; at this time, the movable block 15 will exit the first limiting groove 21, and at this time, the bolt 19 will exit the lock catch 3; when the key exits the lock cylinder 12, the movable block 15 will be clamped and arranged on the second limiting groove 22 of the bolt 19 again; in the utility model, the code sheet 23 is arranged on the lock cylinder 12, the coil or NFC antenna 24 for feedback signal is arranged on the code sheet 23, the coil or NFC antenna 24 is connected with the MCU controller 34, and through the arrangement of the coil or NFC antenna 24 for feedback signal, the signal and information received by the MCU controller 34 can be fed back to the remote terminal, so that the remote terminal can record the mutual induction between the lock state passive induction element 25 and the door state passive induction element 26 and the first magnetic element 27 and / or the second magnetic element 28.
[0057] In the utility model, the lock state passive sensing component 25 and the door state passive sensing component 26 connected with MCU controller 34 are arranged in the lock body 1, the first magnetic element 27 is arranged on the bolt 19, the second magnetic element 28 is arranged on the lock catch 3, the MCU controller 34 carries out real-time detection to the state between the lock body 1 and the bolt 19 and the lock catch 3 according to the mutual induction of the lock state passive sensing component 25 and the door state passive sensing component 26 and the first magnetic element 27 and / or the second magnetic element 28, in the utility model, the model of MCU controller 34 is CH444G's MCU controller, the MCU controller 34 can carry out real-time detection to the state between the lock body 1 and the bolt 19 and the lock catch 3 according to the mutual induction of the lock state passive sensing component 25 and the door state passive sensing component 26 and the first magnetic element 27 and / or the second magnetic element 28, to judge the closure and the locking condition of the lock body 1 and the lock catch 3 quickly, wherein, the lock state passive sensing component 25 and the door state passive sensing component 26 are both dry reed or proximity switch, the first magnetic element 27 and the second magnetic element 28 are both magnet, when the lock state passive sensing component 25 and the door state passive sensing component 26 are dry reed, when the first magnetic element 27 and the second magnetic element 28 are close to the dry reed, the two spring blades of the dry reed are magnetized to generate magnetic field of different polarity, when the first magnetic element 27 and the second magnetic element 28 are pasted on the dry reed, two spring blades are attracted together, so that conduction is realized, when the first magnetic element 27 and the second magnetic element 28 are separated from the dry reed, two spring blades gradually demagnetize and disconnect, so that disconnection is realized, when the lock state passive sensing component 25 and the door state passive sensing component 26 are both proximity switch, if the first magnetic element 27 and the second magnetic element 28 are pasted on the proximity switch, the proximity switch can detect the approach of the magnetic element to trigger the proximity switch to open, when the first magnetic element 27 and the second magnetic element 28 are separated from the proximity switch, the proximity switch is closed, in actual application, the lock state passive sensing component 25, the door state passive sensing component 26, the first magnetic element 27 and the second magnetic element 28 can also be replaced by other similar devices, all of which are within the protection scope of the utility model, wherein, the hasp 29 is arranged on the lock body mounting seat 2, the buckle block 30 matched with the hasp 29 is arranged on the lock catch mounting seat 4, through the setting of the hasp 29 and the buckle block 30, the lock body mounting seat 2 and the lock catch mounting seat 4 can be doubly fixed.
[0058] As Figures 13-20The utility model discloses further disclose a kind of ladders of the lock, including ladder body 31 and baffle ring 32, baffle ring 32 is set on ladder body 31 by hinge 33 and can be opened and closed;Lock body 1 and lock body mounting seat 2 are set on ladder body 31 or baffle ring 32, lock catch 3 and lock catch mounting seat 4 are set on baffle ring 32 or ladder body 31;Locking device 5 is fixed on lock body mounting seat 2 and lock catch mounting seat 4 respectively by installation gap 6 or installation communication hole, the dismounting between lock body 1 and lock body mounting seat 2, lock catch 3 and lock catch mounting seat 4 is shielded, when ladder body 31 and baffle ring 32 are mutually locked, installation gap 6 or installation communication hole on lock body mounting seat 2 and lock catch mounting seat 4 are hidden after mutual adhesion, by the lock of the utility model protected being applied to ladder, can play the locking effect to ladder, also increase the difficulty of violent removal of lock by unauthorized personnel, prevent unauthorized personnel from dismounting the lock of ladder and then operating to climb in the case of not being allowed.
[0059] Embodiment
[0060] In the embodiment, by setting lock body and lock body mounting seat on ladder body or baffle ring, lock catch and lock catch mounting seat are set on baffle ring or ladder body;Locking device is fixed on lock body mounting seat and lock catch mounting seat respectively by installation gap or installation communication hole, the dismounting between lock body and lock body mounting seat, lock catch and lock catch mounting seat is shielded, when ladder body and baffle ring are mutually locked, installation gap or installation communication hole on lock body mounting seat and lock catch mounting seat are hidden after mutual adhesion, at this time, screwdriver cannot be inserted into installation gap or installation communication hole to unlock locking device, thereby playing the protection effect of preventing dismounting when lock body and lock catch are closed.
[0061] In the drawings, the position relationship is only used for example description, and cannot be understood as the limitation of the patent;Obviously, the above embodiment of the utility model is only for clearly illustrating the utility model, and is not the limitation of the embodiment of the utility model.For ordinary skilled person in the art, other different forms of changes or variations can be made on the basis of the above description.Here, all embodiments need not be exhausted, and the patent protection range should include any modification, equivalent replacement and improvement, etc. within the spirit and principle of the utility model.
Claims
1. A lock with an anti-tamper structure, comprising a lock body, a lock body mounting base, a latch, and a latch mounting base, wherein the lock body is detachably mounted on the lock body mounting base, and the latch is detachably mounted on the latch mounting base, characterized in that: The lock device further comprises a lock disassembly prevention device for covering the disassembly position between the lock body and the lock body mounting seat, and between the lock catch and the lock catch mounting seat; The lock body mounting seat and the lock catch mounting seat are provided with mounting gaps or mounting through holes; The lock disassembly prevention device is fixed on the lock body mounting seat and the lock catch mounting seat through the mounting gaps or the mounting through holes, and is hidden after the mounting gaps or the mounting through holes of the lock body mounting seat and the lock catch mounting seat are matched with each other when the lock body and the lock catch are locked with each other.
2. The lock with tamper-proof structure according to claim 1, characterized in that: The lock disassembly prevention device is a lock disassembly prevention plate provided with a fixing portion.
3. The lock with tamper-evident structure according to claim 2, wherein: The fixing portion and the lock disassembly prevention plate are in an integrated structure.
4. The lock with tamper-evident structure according to claim 2, wherein: The lock device further comprises a lock body fixing screw, a lock catch fixing screw and a lock disassembly prevention plate fixing screw; The lock body is fixed in the lock body mounting seat through the lock body fixing screw, and the lock catch is fixed in the lock catch mounting seat through the lock catch fixing screw; The lock disassembly prevention plate fixing screw fixes the fixing portion of the lock disassembly prevention plate in the lock body mounting seat after passing through the mounting gap or the mounting through hole of the lock body mounting seat; The lock disassembly prevention plate fixing screw fixes the fixing portion of the lock disassembly prevention plate in the lock catch mounting seat after passing through the mounting gap or the mounting through hole of the lock catch mounting seat.
5. The lock with tamper-evident structure according to claim 4, characterized in that: The lock body comprises a lock cylinder, a lock cylinder stop pin, a rotating piece, a movable block, a PCB fixing support, a PCB circuit board, a pressing block, a bolt and a lock shell provided on the lock body mounting seat; The bolt is provided with a first limiting groove and a second limiting groove; The lock cylinder is arranged on the lock shell through the lock cylinder stop pin; One end of the rotating piece is connected with the lock cylinder, and the other end is connected with the movable block, and the movable block is arranged on the first limiting groove or the second limiting groove of the bolt according to the installation position of the bolt. The PCB circuit board is arranged on the PCB fixing support, and the PCB circuit board is provided with an MCU controller; The PCB fixing support is sleeved in the lock shell, and the pressing block fixes the PCB fixing support in the lock shell.
6. The lock with tamper-evident structure according to claim 5, wherein: The lock cylinder is provided with a code sheet, the code sheet is provided with a coil or an NFC antenna for feeding back a signal, and the coil or the NFC antenna is connected with the MCU controller.
7. The lock with tamper-evident structure according to claim 5, wherein: The lock body is provided with a lock state passive sensing component and a door state passive sensing component connected with the MCU controller, the bolt is provided with a first magnetic element, the lock catch is provided with a second magnetic element, and the MCU controller detects the state between the lock body and the bolt and the lock catch in real time according to the mutual induction of the lock state passive sensing component and the door state passive sensing component with the first magnetic element and / or the second magnetic element.
8. The lock with tamper-evident structure according to claim 7, characterized in that: The lock state passive sensing component and the door state passive sensing component are reed switches or proximity switches, and the first magnetic element and the second magnetic element are magnets.
9. The shackle as defined in claim 1, wherein: The lock body mounting seat is provided with a buckle, and the lock catch mounting seat is provided with a buckle block matched with the buckle.
10. A ladder stand using the lock device according to any one of claims 1-9, comprising a ladder stand body and a blocking ring, the blocking ring is arranged on the ladder stand body through a hinge and can be opened and closed, and the lock body and the lock body mounting seat are arranged on the ladder stand body or the blocking ring, and the lock catch and the lock catch mounting seat are arranged on the blocking ring or the ladder stand body. The lockset anti-disassembly device is fixed on the lock body mounting seat and the lock catch mounting seat through the mounting notches or the mounting through holes respectively, and shields the disassembly positions between the lock body and the lock body mounting seat and between the lock catch and the lock catch mounting seat; when the ladder body and the blocking ring are locked with each other, the mounting notches or the mounting through holes on the lock body mounting seat and the lock catch mounting seat are hidden after being mutually attached.