CN211776633U

CN211776633U - Anti-knock padlock

Info

Publication number: CN211776633U
Application number: CN201922277214.4U
Authority: CN
Inventors: 王亚东; 王�华
Original assignee: Zhuhai Haiwer Electric Appliance Co ltd
Current assignee: Zhuhai Haiweier Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-10-27
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses an anti-knock padlock, which comprises a lock body; the lock body is provided with a lock hole for the contraposition insertion of the short arm part and a lock cavity for the contraposition insertion of the long arm part; the lock bolt is slidably arranged in the lock body, is used for locking or loosening the lock ring and is provided with a groove; the lock core rotates around the lock body and is provided with a convex block, the convex block is accommodated in the groove and is in butt fit with the inner wall of the groove, and the lock core drives the convex block to rotate so as to drive the lock tongue to slide and loosen the lock ring; wherein, the lug is 1/4 cylinder piece, and the recess can hold the lug and freely rotate in the recess. The padlock strengthens the matching stability of the lock tongue and the lock cylinder, when the padlock is locked, the lock tongue is stopped by the convex block, redundant gaps between the lock tongue and the lock cylinder are eliminated, the condition that the lock tongue is loosened or slides due to manual knocking after the padlock is locked is prevented, the padlock is prevented from being illegally unlocked, and the safety and the anti-theft function of the whole padlock are strengthened.

Description

Anti-knock padlock

Technical Field

The utility model relates to a tool to lock technical field, in particular to prevent knocking padlock.

Background

As is well known, locks are common tools in people's lives, and can play a certain role in protecting personal property and private information of users.

In the prior art, a padlock generally comprises a lock shell, a lock ring, a lock bolt and a cylindrical lock cylinder, wherein the lock ring is locked in the lock body by the lock bolt during locking, when the padlock is unlocked by using a key, the key is inserted into the lock hole and rotates, the lock cylinder is stressed to rotate around the circumferential direction of the lock cylinder, and the lock bolt is driven to move to loosen the lock ring while the lock cylinder rotates, so that unlocking is realized.

However, in general, the design has a large concave notch at the matching position of the lock cylinder and the bolt, so that the bolt has enough space to move after the lock is locked. Some lawbreakers know the internal structure of the lock deeply, i.e. hit the side of the lock shell with heavy objects such as a hammer, etc., so that the lock tongue movably installed in the lock shell slides transversely in the lock shell under the action of external force, once the lock tongue is separated from the lock ring, the lock ring can be pulled out smoothly after being unlocked, the lock is unlocked, personal property and personal information of a user can be stolen or lost, and immeasurable loss is brought to the user.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a prevent knocking the padlock has strengthened the cooperation stability of spring bolt and lock core, prevents that the padlock from being artificially strikeed the back and appearing the condition that the spring bolt is not hard up or gliding, avoids the tool to lock to be illegally unblanked.

According to the utility model discloses prevent knocking the padlock, include: a lock body; the lock body is provided with a lock hole for the contraposition insertion of the short arm part and a lock cavity for the contraposition insertion of the long arm part; the lock ring is arranged in the lock body in a sliding way, is used for locking or releasing the lock ring and is provided with a groove; the lock core rotates around the lock body and is provided with a convex block, the convex block is contained in the groove and is in butt fit with the inner wall of the groove, and the lock core drives the convex block to rotate so as to drive the lock tongue to slide and loosen the lock ring; the projection is an 1/4 cylindrical block, and the groove can accommodate the projection to rotate freely in the groove.

The method has the following beneficial effects:

the padlock has the advantages that the convex block matched with the lock bolt is arranged into the 1/4 cylindrical block, when a user rotates the lock bolt to unlock the lock by using a key, the convex block synchronously rotates along with the lock bolt, the groove on the lock bolt is in butt fit with the convex block, the convex block can drive the lock bolt to slide to release the lock ring to realize unlocking, the shape of the convex block is 1/4 cylindrical block, and the groove can accommodate the convex block to freely rotate in the groove, so the width of the groove can be designed into the minimum width which just enables the convex block to freely rotate in the groove, the lock bolt can drive the lock bolt to slide to release the lock ring by the convex block, meanwhile, the fit clearance between the lock bolt and the lock bolt is reduced, the fit stability of the lock bolt and the lock bolt is enhanced, when the lock bolt is locked, the redundant clearance between the lock bolt and the lock bolt is eliminated, and, the illegal unlocking of the padlock is avoided, and the safety of the whole padlock is enhanced.

According to some embodiments of the utility model, be equipped with the rotation stopping piece on the lock body, the rotation stopping piece is used for the restriction the lock core is around self rotatory 90.

According to some embodiments of the utility model, the arc wall has been seted up on the lock core, the one end of the rotation stopping piece is fixed on the lock body, the other end of rotation stopping piece stretches into in the arc wall, the tip on the arc wall has spacing portion, but the rotation stopping piece backstop spacing portion.

According to some embodiments of the present invention, the long arm portion has a locking portion thereon, and when the lock is in a locked state, the lock tongue stops the locking portion, and when the lock cylinder rotates, the lock tongue slides in a direction away from the locking portion.

According to some embodiments of the utility model, the cover is equipped with reset spring on the spring bolt.

According to some embodiments of the invention, the long arm portion and the lock cavity are provided with a pressure spring therebetween.

According to some embodiments of the utility model, still establish the breach groove on the long arm portion, be equipped with the spacer pin on the lock body, the one end of spacer pin is fixed on the lock body, the other end of spacer pin stretches into in the breach groove and relative with the top in breach groove.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic sectional view of an embodiment of the present invention;

fig. 3 is an exploded view of the embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is the schematic view of the matching structure of the lock tongue, the lock cylinder and the rotation stopping member in the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, the utility model discloses an anti-knock padlock, include: the lock comprises a lock body 100, a lock ring 200, a bolt 300 and a lock core 400, wherein the lock body 100 is provided with a short arm part 210 and a long arm part 220, and the lock body 100 is provided with a lock hole 130 for the contraposition insertion of the short arm part 210 and a lock cavity 140 for the contraposition insertion of the long arm part 220; the locking tongue 300 is slidably installed in the lock body 100, the locking tongue 300 is used for locking or unlocking the lock ring 200, the locking tongue 300 has a groove 310, the lock cylinder 400 can rotate around itself in the lock body 100, the lock cylinder 400 has a projection 410, the projection 410 is accommodated in the groove 310 and is in abutting fit with the inner wall of the groove 310, the lock cylinder 400 drives the projection 410 to rotate so as to drive the locking tongue 300 to slide and unlock the lock ring 200, in addition, the projection 410 is 1/4 cylindrical block, and the groove 310 can accommodate the projection 410 to freely rotate in the groove 310.

In the padlock, the lug 410 matched with the lock bolt 300 is arranged into an 1/4 cylindrical block, when a user rotates the lock core 400 to unlock the lock by using a key to rotate the lock core 400, the lug 410 rotates synchronously with the lock core 400, because the groove 310 on the lock core 400 is in butt fit with the lug 410, the lug 410 can drive the lock bolt 300 to slide to loosen the lock ring 200 to realize unlocking, the shape of the lug 410 is 1/4 cylindrical block, and the groove 310 can contain the lug 410 to rotate freely in the groove 310, so the width of the groove 310 can be designed into the minimum width which just enables the lug 410 to rotate freely in the groove 310, the lock core 400 can drive the lock bolt 300 to slide through the lug 410 to loosen the lock ring 200, the matching gap between the lock bolt 300 and the lock core 400 is reduced, the matching stability of the lock bolt 300 and the lock core 400 is enhanced, when locking is locked, the lock bolt 300 is stopped by the lug 410, the condition that the lock tongue 300 is loosened or slides due to manual knocking after the padlock is locked is prevented, the padlock is prevented from being illegally unlocked, and the safety of the whole padlock is enhanced.

It can be understood that, after the padlock is locked, thanks to the stable fit between the lock tongue 300 and the lock cylinder 400, and the width of the groove 310 only provides the minimum space for the protrusion 410 to freely rotate the groove 310, when the lock body 100 is laterally knocked by people, the lock tongue 300 will not loosen or slide due to external force and self inertia, preventing the padlock from being stolen. In addition, it can be understood that, after the padlock is locked, the projection 410 can stop the lock tongue 300, further preventing the lock body 100 from being impacted by heavy objects to cause the lock tongue 300 to slide and loosen the lock ring 200, enhancing the safety of the whole padlock and enhancing the anti-theft function of the padlock.

In some embodiments of the utility model, the mounting groove has transversely been seted up in the lock body 100, spring bolt 300 slidable mounting is in the mounting groove, the vertical mounting hole of having seted up in the lock body 100, lock core 400 is installed in mounting hole 120, it needs to understand, when this padlock need unblank, the user need use mechanical key to insert the unlocking hole of lock body 100 bottom, make mechanical key and lock core 400 normal running fit, when rotating mechanical key, mechanical key drives lock core 400 synchronous rotation, lock core 400 just can drive lug 410 and rotate, lug 410 further drives spring bolt 300 and slides and loosen catch 200, the realization is unblanked.

In addition, referring to fig. 3 and 4 again, the long arm 220 has a locking portion 221 thereon, and in a locked state, the latch 300 stops the locking portion 221, and when the key cylinder 400 rotates, the latch 300 slides in a direction away from the locking portion 221. In addition, the latch 300 is sleeved with a return spring 500. A compression spring 600 is provided between the long arm portion 220 and the lock chamber 140.

It should be understood that, when the lock is unlocked by using the mechanical key, the key cylinder 400 rotates synchronously with the mechanical key, the key cylinder 400 starts to drive the protrusion 410 to rotate, the protrusion 410 further drives the locking tongue 300 to slide in a direction away from the locking portion 221 until the locking tongue 300 is disengaged from the locking portion 221, at this time, the long arm 220 of the lock ring 200 is no longer limited by the stop of the locking tongue 300, and the long arm 220 of the lock ring 200 moves upward under the force of the pressure spring 600 until the short arm 210 of the lock ring 200 is disengaged from the lock hole 130, thereby completing the unlocking action. In the present embodiment, the end of the long arm 220 of the lock ring 200 is rotatably inserted into the lock cavity 140, and after the short arm 210 of the lock ring 200 is separated from the lock hole 130, the lock ring 200 rotates in the circumferential direction around the long arm 220, thereby further completing the unlocking operation.

When locking is needed, a user can align the short arm 210 of the lock ring 200 with the lock hole 130, and then apply force to the lock ring 200 to enable the long arm 220 of the lock ring 200 to overcome the acting force of the pressure spring 600 to move downwards until the short arm 210 of the lock ring 200 is completely inserted into the lock hole 130, at this time, the short arm 210 of the lock ring 200 is stopped by the lock body 100, and the user can rotate the mechanical key in the locking direction to enable the lock tongue 300 to stop at the lock ring 200 again to complete locking. It can be understood that, when the lock is unlocked and the mechanical key drives the lock cylinder 400 to rotate, the torque of the lock cylinder 400 needs to overcome the elastic force of the return spring 500 on the lock tongue 300; when the latch is latched, the elastic force of the return spring 500 assists the latch 300 to slide to the latched state.

In addition, referring to fig. 2 and 5 again, in order to enable the lock cylinder 400 to rotate only 90 ° to disengage the lock tongue 300 from the lock ring 200 for unlocking, in the present padlock, the lock body 100 is provided with a rotation preventing member 110, and the rotation preventing member 110 is used for limiting the lock cylinder 400 to rotate 90 ° around itself. In this embodiment, the lock core 400 is provided with an arc-shaped groove 420, one end of the rotation-stopping member 110 is fixed on the lock body 100, the other end of the rotation-stopping member 110 extends into the arc-shaped groove 420, the end of the arc-shaped groove 420 is provided with a limit portion 421, and the rotation-stopping member 110 can stop the limit portion 421

Obviously, when the lock is unlocked, after the mechanical key drives the lock cylinder 400 to rotate by 90 degrees, the rotation stopping member 110 stops the lock cylinder 400 to limit the lock cylinder 400 to continue rotating, at this time, the mechanical key can not act any more, and the lock tongue 300 also completes the action of disengaging from the lock ring 200, so that the unlocking is realized. It can be understood that, this padlock is through design rotation-stopping member 110, has prevented that lock core 400 from making on lock core 400 and lock core 400 boss 410 unable reset in initial condition because of turned angle is greater than 90 even turned angle exceeds 360, and the condition of shutting again of very big influence padlock appears, rotation-stopping member 110 can effectual restriction lock core 400 only can be around self rotatory 90, makes things convenient for the reset of lock core 400 and spring bolt 300, strengthens the shutting function of whole padlock.

In addition, referring to fig. 2, fig. 3 and fig. 4, in the present invention, in order to prevent the lock ring 200 from being freely taken out of the lock body 100 without limitation after the padlock is unlocked, the long arm 220 is further provided with a notch 222, the lock body 100 is provided with a limit pin 120, one end of the limit pin 120 is fixed on the lock body 100, and the other end of the limit pin 120 extends into the notch 222 and is opposite to the upper side of the notch 222. Obviously, when the padlock is unlocked, the lock tongue 300 does not stop the lock ring 200, the lock ring 200 can move upwards, the lock body 100 is provided with the limit pin 120, so that the lock ring 200 is stopped by the limit pin 120 after moving upwards for a certain distance, the lock ring 200 is prevented from being freely taken out after being unlocked, the locking function of the padlock is prevented from being influenced, and the structural stability of the whole padlock is enhanced.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An anti-knock padlock, comprising:

a lock body (100);

the lock body (100) is provided with a lock hole (130) for the contraposition insertion of the short arm part (210) and a lock cavity (140) for the contraposition insertion of the long arm part (220);

a locking bolt (300) slidably mounted in the lock body (100) for locking or unlocking the lock ring (200), having a groove (310);

the lock cylinder (400) rotates around the lock body (100) and is provided with a convex block (410), the convex block (410) is accommodated in the groove (310) and is in butt fit with the inner wall of the groove (310), and the lock cylinder (400) drives the convex block (410) to rotate so as to drive the bolt (300) to slide and loosen the lock ring (200);

wherein, the projection (410) is an 1/4 cylindrical block, and the groove (310) can accommodate the projection (410) to rotate freely in the groove (310).

2. Anti-knock padlock according to claim 1, characterized in that the lock body (100) is provided with a rotation stop (110), the rotation stop (110) being adapted to limit the rotation of the cylinder (400) by 90 ° around itself.

3. The anti-knock padlock according to claim 2, wherein the lock cylinder (400) is provided with an arc-shaped groove (420), one end of the rotation stopping member (110) is fixed to the lock body (100), the other end of the rotation stopping member (110) extends into the arc-shaped groove (420), the end of the arc-shaped groove (420) is provided with a limit part (421), and the rotation stopping member (110) can stop the limit part (421).

4. The anti-knock padlock according to claim 1, wherein the long arm (220) is provided with a locking portion (221), the locking tongue (300) stops against the locking portion (221) in a locked state, and the locking tongue (300) slides in a direction away from the locking portion (221) when the key cylinder (400) rotates.

5. The anti-knock padlock according to claim 1, wherein the locking tongue (300) is sleeved with a return spring (500).

6. Anti-knock padlock according to claim 1, characterized in that a compression spring (600) is provided between the long arm (220) and the lock cavity (140).

7. The anti-knock padlock according to claim 6, wherein the long arm (220) is further provided with a notch groove (222), the lock body (100) is provided with a limit pin (120), one end of the limit pin (120) is fixed on the lock body (100), and the other end of the limit pin (120) extends into the notch groove (222) and is opposite to the upper side of the notch groove (222).