Anti-loose padlock
By introducing limit components and motor drives into the padlock, the problem of padlocks being easily unlocked by knocking and vibration is solved, a stable locking structure is achieved, and the security performance is improved.
Patent Information
- Application Number
- CN202520241143.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing padlocks are prone to unlocking when struck or vibrated during use, lack a stable locking structure, and pose a security risk.
A locking padlock was designed, comprising a lock body, a lock beam, a lock cylinder assembly, and a limiting assembly. The limiting assembly restricts the movement of the lock cylinder assembly, and combined with a fingerprint module and a motor drive, a stable locking structure is achieved to prevent unlocking by knocking or vibration.
It provides a stable locking structure to prevent the padlock from unlocking when struck or vibrated, thus improving security and ensuring that the lock beam is not easily loosened.
Smart Images

Figure CN223593953U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of lockset, especially to a lock against loosening. BACKGROUND
[0002] Lockset refers to the closure of the appliance, it includes lock, key and its accessories. General explanation is that "must use key can open the seal", lockset can be opened with light, electricity, magnetism, sound and fingerprint instruction in addition to using key, lockset is not only a protective product, also has "management" and "decoration" function, wherein the padlock is the oldest and largest family in the lockset world, and it can be said that other locksets are derived and derived from the padlock category, the padlock body is provided with a ring-shaped or "one" shaped metal stem that can be buckled, that is, "lock beam", so that the padlock is directly buckled with the lock body through the lock beam to become a closed lock.
[0003] And the existing technology in the padlock can be unlocked by knocking and vibration when using, does not have stable locking structure, has very big safety problem. UTILITY MODEL CONTENTS
[0004] The utility model discloses a lock against loosening, and the utility model has stable locking structure, prevents the padlock from being unlocked by knocking and vibration when using.
[0005] The utility model discloses the technical scheme as follows: a lock against loosening, including lock body, lock beam and the lock core subassembly of setting in the lock body, lock beam one end is equipped with fixed end and is equipped with movable end in another end, the fixed end is pivoted with the lock body, the lock body is equipped with the lock hole of with movable end adaptation, still include the limiting assembly of limiting lock core subassembly activity, when movable end reaches in -lock when the lock hole, lock core subassembly keeps movable end locking in the lock hole through limiting assembly.
[0006] Lock core subassembly includes lock core body and lock ball, movable end is equipped with the lock slot of lock ball joint, lock ball reciprocating sliding sets up between lock slot and lock core body, lock core body rotatory sets up in the lock body, the outer wall of lock core body is recessed and has the pit for the lock ball sliding, when the outer wall of lock core body and lock ball abut, lock ball and lock slot joint, when lock core body rotates to lock ball and slides into the pit, lock ball and lock slot separate.
[0007] The limiting assembly includes a torsion spring that is sleeved outside the lock core body, the outer wall of the lock core body is also provided with a first slot, one end of the torsion spring is connected with the first slot, and the other end is connected with the inner wall of the lock body, and the lock core body is kept away from the position of the pit by the torsion spring.
[0008] The lock body is internally provided with a fingerprint module and a motor which are electrically connected with each other, the motor drives a driving piece to rotate, the lock core body is externally provided with a driven piece which cooperates with the driving piece, the outer wall of the driving piece is provided with at least one driving blade, the outer wall of the driven piece is provided with at least one driven blade which cooperates with the driving blade, and the motor drives the lock core body to rotate through the cooperation of the driving piece and the driven piece.
[0009] The outer wall of the lock core body is further provided with a second strip-shaped groove which has a smaller width than the first strip-shaped groove, and the inner wall of the driven piece is respectively provided with a first protruding strip which is matched with the first strip-shaped groove and a second protruding strip which is matched with the second strip-shaped groove.
[0010] The fingerprint module is further electrically connected with a switch which is used for blocking or allowing the driving blade.
[0011] The inner wall of the lock body is provided with a limiting block, and the outer wall of the lock core body is provided with a ring groove in which the limiting block extends.
[0012] The lock hole is internally provided with a bouncing spring.
[0013] The lock core assembly further comprises a TSA key lock which is connected with the lock core body.
[0014] The utility model discloses the beneficial effect is as follows: the utility model has stable locking structure, namely the lock core assembly for locking the movable end of lock beam is restricted by limiting assembly, limiting assembly can keep restricting the activity of lock core assembly when padlock is knocked and vibrated by external force, prevents padlock from being knocked and vibrated and can be unlocked when using, and the safety performance is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor still belong to the scope of the utility model.
[0016] Figure 1 It is the structure schematic diagram of the utility model one kind of anti-loose padlock;
[0017] Figure 2 It is the main view schematic diagram of the utility model removing lock beam;
[0018] Figure 3 It is the structure schematic diagram of the utility model removing lock body;
[0019] Figure 4 It is the structure schematic diagram of the utility model lock body interior;
[0020] Figure 5It is the structure schematic view of the lock core body in the utility model;
[0021] Figure 6 It is Figure 5 It is the structure schematic view of another perspective;
[0022] Figure 7 It is the structure schematic view of the driven member in the utility model;
[0023] Figure 8 It is the structure schematic view of the lock core body in the utility model;
[0024] In the figure, 1-lock body, 2-lock beam, 3-fixed end, 4-movable end, 5-lock hole, 6-lock core body, 7-lock ball, 8-lock groove, 9-dimple, 10-torsional spring, 11-first slot, 12-fingerprint module, 13-motor, 14-driving member, 15-driven member, 16-driving blade, 17-driven blade, 18-second slot, 19-first protruding strip, 20-second protruding strip, 21-switch, 22-limiting block, 23-ring groove, 24-spring, 25-TSA key lock. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings.
[0026] It should be noted that all the expressions of "first" and "second" in the embodiments of the utility model are used to distinguish two same name different entities or different parameters, and "first" and "second" are only for the convenience of expression, and should not be understood as the limitation of the embodiments of the utility model, and subsequent embodiments will not be described one by one.
[0027] The direction and position language mentioned in the utility model, for example, "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side" and the like, are only the direction or position of the drawing. Therefore, the direction and position language used is used to explain and understand the utility model, and is not a limitation on the protection scope of the utility model.
[0028] As Figures 1 to 8 As shown in one embodiment of the utility model, a lock against loosening, comprising a lock body 1, a lock beam 2 and a lock core assembly arranged in the lock body 1, one end of the lock beam 2 is provided with a fixed end 3 and the other end is provided with a movable end 4, the fixed end 3 is pivoted with the lock body 1, the lock body 1 is provided with a lock hole 5 matched with the movable end 4, further comprising a limiting assembly limiting the movement of the lock core assembly, when the movable end 4 is inserted into the lock hole 5 in place, the lock core assembly keeps the movable end 4 locked in the lock hole 5 through the limiting assembly.
[0029] The beneficial effects of such arrangement are as follows: the stable locking structure is provided, that is, the lock cylinder assembly for locking the movable end of the lock beam is limited by the limiting assembly, the limiting assembly can keep the movable lock cylinder assembly from being limited when the padlock is struck and vibrated by external force, the padlock can be unlocked when being struck and vibrated during use, the safety problem of the lock beam loosening is avoided, and the safety performance is greatly improved.
[0030] Further arrangement, the lock cylinder assembly comprises a lock cylinder body 6 and a lock ball 7, the movable end 4 is provided with a lock groove 8 for clamping the lock ball 7, the lock ball 7 is reciprocally slidably arranged between the lock groove 8 and the lock cylinder body 6, the lock cylinder body 6 is rotatably arranged in the lock body 1, and the outer wall of the lock cylinder body 6 is recessed with a pit 9 for sliding the lock ball 7, when the outer wall of the lock cylinder body 6 abuts against the lock ball 7, the lock ball 7 is clamped with the lock groove 8, and when the lock cylinder body 6 is rotated to slide the lock ball 7 into the pit 9, the lock ball 7 is separated from the lock groove 8.
[0031] The beneficial effects of such arrangement are as follows: the lock ball is switched by the rotating position of the lock cylinder body and the clamping state of the lock groove, the limiting assembly can prevent the lock cylinder body from rotating, keep the lock ball from sliding into the pit, and keep the lock ball and the lock groove from being clamped, and the locking structure has the advantages of simplification and stability.
[0032] Further arrangement, the limiting assembly comprises a torsion spring 10 sleeved outside the lock cylinder body 6, the outer wall of the lock cylinder body 6 is further provided with a first slot 11, one end of the torsion spring 10 is clamped with the first slot 11 and the other end abuts against the inner wall of the lock body 1, and the lock cylinder body 6 keeps the pit 9 away from the lock ball 7 by the torsion spring 10.
[0033] The beneficial effects of such arrangement are as follows: the lock cylinder body is prevented from rotating by the torsion spring, one end of the torsion spring is clamped with the first slot of the lock cylinder body, the connection is firm, the other end of the torsion spring abuts against the inner wall of the lock body, the stress area is large, the end part is well stressed, and stable torsional resistance is provided.
[0034] Further arrangement, the lock body 1 is further provided with a fingerprint module 12 and a motor 13 which are electrically connected with each other, the motor 13 drives a driving piece 14 to rotate, the lock cylinder body 6 is sleeved with a driven piece 15 matched with the driving piece 14, the outer wall of the driving piece 14 is provided with at least one driving blade 16, the outer wall of the driven piece 15 is provided with at least one driven blade 17 matched with the driving blade 16, and the motor 13 drives the lock cylinder body 6 to rotate through the driving piece 14 and the driven piece 15.
[0035] The beneficial effects of such an arrangement are as follows: when the correct fingerprint is input to the fingerprint module, the motor is powered to drive the driving member to rotate, the driving member drives the driven member and the lock cylinder body to rotate by contacting the driving blade and the driven blade, the driving member only needs to rotate 360° in one direction to unlock, and it will not affect relocking and the next unlocking, and it can effectively prevent the motor from being stuck.
[0036] Further arrangement, the outer wall of the lock cylinder body 6 is further provided with a second slot 18 with a width smaller than the first slot 11, and the inner wall of the driven member 15 is respectively provided with a first protruding strip 19 matched with the first slot 11 and a second protruding strip 20 matched with the second slot 18.
[0037] The beneficial effects of such an arrangement are as follows: the driven member can only be installed on the lock cylinder body from the correct direction, facilitating assembly, and increasing the contact area between the driven member and the lock cylinder body, so that the driven member can effectively drive the lock cylinder body to rotate.
[0038] Further arrangement, the fingerprint module 12 is further electrically connected with a switch 21 for blocking or allowing the driving blade 16.
[0039] The beneficial effects of such an arrangement are as follows: when the correct fingerprint is input to the fingerprint module, the motor is powered at the same time, the switch is also powered, the switch is opened to allow the driving blade, and vice versa, the switch is closed to block the driving blade when the driving blade rotates 360° in a whole circle, preventing the driving member from further rotating, and ensuring the clear division of the unlocking and locking processes.
[0040] Further arrangement, the inner wall of the lock body 1 is provided with a limiting block 22, and the outer wall of the lock cylinder body 6 is provided with a ring groove 23 for the limiting block 22 to extend into.
[0041] The beneficial effects of such an arrangement are as follows: the limiting block cooperates with the ring groove, when the lock cylinder body rotates, the inner walls of the two ends of the ring groove will respectively abut against the two sides of the limiting block, for limiting the rotation range of the lock cylinder body, preventing the lock cylinder body from rotating excessively to cause the lock ball to be stuck, etc.
[0042] Further arrangement, the lock hole 5 is provided with a bouncing spring 24.
[0043] The beneficial effects of such an arrangement are as follows: when the padlock is unlocked, the bouncing spring helps the movable end to pop out of the lock hole by the elastic force, realizing fast unlocking.
[0044] Further arrangement, the lock cylinder assembly further comprises a TSA key lock 25 connected with the lock cylinder body 6.
[0045] The beneficial effects of such arrangement are as follows, and the TSA key lock can drive the lock core body to rotate, thereby unlocking the padlock, the TSA key lock is a TSA customs lock, which is used for safety detection of the U.S. customs on transit luggage goods and transportation customs supervised goods, and the universal TSA special key of international customs is adopted to ensure the safety of the goods in the transportation process, and various unlocking modes are adopted, and the use is more convenient.
[0046] The above disclosed is only the preferred embodiment of the utility model, of course, cannot with this to limit the utility model right scope, therefore, the equivalent change made according to the utility model claim still belongs to the range covered by the utility model.
Claims
1. A kind of anti-loose padlock, including lock body (1), lock beam (2) and the lock cylinder assembly being arranged in lock body (1), the lock beam (2) one end is equipped with fixed end (3) and the other end is equipped with movable end (4), the fixed end (3) is pivoted with lock body (1), the lock body (1) is equipped with the lock hole (5) being adapted with movable end (4), it is characterized by: The lock cylinder assembly further comprises a limiting assembly for limiting the activity of the lock cylinder assembly, and when the movable end (4) extends into the lock hole (5) to a position, the lock cylinder assembly keeps the movable end (4) locked in the lock hole (5) through the limiting assembly.
2. A tamper-evident padlock according to claim 1, wherein: The lock cylinder assembly comprises a lock cylinder body (6) and a lock ball (7), the movable end (4) is provided with a lock groove (8) for clamping the lock ball (7), the lock ball (7) is reciprocally slidably arranged between the lock groove (8) and the lock cylinder body (6), the lock cylinder body (6) is rotatably arranged in the lock body (1), and the outer wall of the lock cylinder body (6) is recessed with a recess (9) for sliding the lock ball (7) into, when the outer wall of the lock cylinder body (6) abuts against the lock ball (7), the lock ball (7) is clamped with the lock groove (8), and when the lock cylinder body (6) is rotated to the position that the lock ball (7) slides into the recess (9), the lock ball (7) is separated from the lock groove (8).
3. A tamper-evident padlock according to claim 2, wherein: The limiting assembly comprises a torsion spring (10) sleeved outside the lock cylinder body (6), the outer wall of the lock cylinder body (6) is further provided with a first strip-shaped groove (11), one end of the torsion spring (10) is clamped with the first strip-shaped groove (11) and the other end abuts against the inner wall of the lock body (1), and the lock cylinder body (6) keeps the position of the recess (9) away from the lock ball (7) through the torsion spring (10).
4. A shackle according to claim 3, wherein: The lock body (1) is further provided with a fingerprint module (12) and a motor (13) which are electrically connected with each other, the motor (13) drives a driving piece (14) to rotate, the lock cylinder body (6) is sleeved with a driven piece (15) matched with the driving piece (14), the outer wall of the driving piece (14) is provided with at least one driving blade (16), the outer wall of the driven piece (15) is provided with at least one driven blade (17) matched with the driving blade (16), and the motor (13) drives the lock cylinder body (6) to rotate through the driving piece (14) matched with the driven piece (15).
5. A tamper-evident padlock according to claim 4, wherein: The outer wall of the lock cylinder body (6) is further provided with a second strip-shaped groove (18) with a width smaller than that of the first strip-shaped groove (11), and the inner wall of the driven piece (15) is respectively provided with a first protruding strip (19) matched with the first strip-shaped groove (11) and a second protruding strip (20) matched with the second strip-shaped groove (18).
6. A tamper-evident padlock according to claim 4, wherein: The fingerprint module (12) is further electrically connected with a switch (21) for blocking or allowing the driving blade (16).
7. A tamper-proof padlock according to claim 2, wherein: The inner wall of the lock body (1) is provided with a limiting block (22), and the outer wall of the lock cylinder body (6) is provided with a ring groove (23) for extending the limiting block (22) into.
8. A tamper-proof padlock according to claim 1, wherein: The lock hole (5) is provided with a bounce spring (24).
9. A tamper-proof padlock according to claim 2, wherein: The lock cylinder assembly further comprises a TSA key lock (25) connected with the lock cylinder body (6).