CN213297551U - Padlock - Google Patents

Abstract

The utility model relates to a padlock, which comprises a lock beam and a lock body, wherein the inner cavity of the lock body comprises a lock liner, a bushing and a barge shaft movably arranged on the lock liner; the appearance of bush with the inner chamber phase-match of lock body, the appearance of lock courage with the inner chamber phase-match of bush, the bush inlays to be located the inner chamber of lock body, the lock courage inlays to be located the inner chamber of bush, so that the bush activity is located the inner chamber with between the lock courage. The utility model discloses can realize to same lock body structure, perhaps same section lock body structure (the inner chamber of lock body keeps unanimous), only need the appearance configuration according to the lock courage and the suitable bush of correspondence that the lock courage appearance matches, can realize assembling the lock courage of different grade type in same kind of lock body to satisfy manufacturer or user's needs.

Description

Padlock

Technical Field

The utility model belongs to the technical field of the padlock, especially, relate to a padlock.

Background

The padlock is a traditional lockset, and usually, a lock body of the padlock is provided with a buckled ring-shaped or straight-shaped metal stem, namely a 'lock beam', so that the padlock can be directly buckled with the lock body through the lock beam to form a closed lockset.

In a padlock used in daily life, manufacturers of the padlock usually refer to the shape of a lock cylinder, and a cavity matched with the shape of the lock cylinder is arranged in a lock body, namely the lock cylinder is directly packaged and fixed in a compact mode.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: aiming at the defects that the same lock body of the existing padlock can only be matched with one lock cylinder, and when the lock cylinder is damaged, the lock can be replaced again, the padlock convenient for replacing the lock cylinder is provided, so that the diversified selection and the daily use of a user are facilitated.

The utility model provides a padlock, wherein, the padlock comprises a lock beam and a lock body;

the inner cavity of the lock body comprises a lock liner, a bushing and a barge shaft movably arranged on the lock liner;

the appearance of bush with the inner chamber phase-match of lock body, the appearance of lock courage with the inner chamber phase-match of bush, the bush inlays to be located the inner chamber of lock body, the lock courage inlays to be located the inner chamber of bush, so that the bush activity is located the inner chamber with between the lock courage.

Optionally, the lock beam includes a first lock rod and a second lock rod, the lock body is provided with a first blind hole and a second blind hole, the first lock rod is arranged in the first blind hole, and the second lock rod is arranged in the second blind hole;

the cavity of the lock body comprises a first ball and a second ball;

a first through hole is formed between the first blind hole and the barge shaft, and the first ball is arranged in the first through hole; a first lock groove matched with the first ball is formed in the first lock rod, and a first groove matched with the first ball is formed in the barge shaft;

a second through hole is formed between the second blind hole and the barge shaft, and the second ball is arranged in the second through hole; and a second lock groove matched with the second ball is arranged on the second lock rod, and a second groove matched with the second ball is arranged on the barge shaft.

Optionally, a bump structure is arranged at the top of the lock core, and a third groove matched with the bump structure is arranged at the bottom of the barge shaft;

the convex block structure of the lock core is embedded in the third groove of the barge shaft, so that the barge shaft is movably arranged on the lock core.

Optionally, the lock body further comprises a connecting member, a safety plug and a bottom cover in the cavity;

an inner concave structure is arranged on a cavity at the bottom of the lock body, a convex structure matched with the inner concave structure is arranged on one side of the bottom cover, and the convex structure is embedded in the inner concave structure;

a boss structure is arranged on the other side of the bottom cover, a third blind hole is formed in the boss structure, a fourth blind hole is formed downwards along the bottom of the second blind hole, a third through hole is formed in the fourth blind hole along the third blind hole, and the connecting piece is communicated with the third through hole and the third blind hole so that the bottom cover is movably arranged at the bottom of the lock body; the safety plug is movably arranged in the fourth blind hole.

Optionally, the connector is a stud;

the third blind hole and/or the third through hole are/is provided with first internal threads, and external threads of the stud are connected with the first internal threads;

the lock body is also provided with a fourth through hole corresponding to the third blind hole and the third through hole;

and a fifth through hole is formed in the bottom edge of the lock body and on the third blind hole, and the inner diameter of the fifth through hole is smaller than the outer diameter of the safety plug.

Optionally, the safety plug is a screw;

the third blind hole is provided with a second internal thread, and the external thread of the screw is connected with the second internal thread, so that the safety plug is movably arranged in the fourth blind hole.

Alternatively,

the lock core is a gourd-shaped lock core, and the bush is matched with the gourd-shaped lock core in shape;

or the lock core is an 8-shaped lock core, and the shape of the lining is matched with that of the 8-shaped lock core;

or the lock core is an elliptical lock core, and the shape of the lining is matched with that of the elliptical lock core.

Optionally, the second lock rod is further provided with an annular lock groove matched with the second ball.

Optionally, the padlock further comprises a pad post matching the second blind hole;

the pad column body is movably arranged in the second blind hole, and the bottom of the second lock rod is abutted to the top of the pad column body.

Optionally, the bottom cover is provided with a limiting hole, and the limiting hole is used for enabling a key to rotate the lock cylinder within a certain range.

The utility model provides a padlock, wherein, the padlock comprises a lock beam and a lock body; the inner cavity of the lock body comprises a lock liner, a bushing and a barge shaft movably arranged on the lock liner; the appearance of bush and the inner chamber phase-match of lock body, the appearance of lock courage and the inner chamber phase-match of bush, the bush inlays the inner chamber of locating the lock body, and the lock courage inlays the inner chamber of locating the bush to make the bush activity locate between inner chamber and the lock courage. The utility model provides a padlock through set up the bush that matches between lock body and lock courage, can realize to same lock body structure, perhaps same section lock body structure (the inner chamber of lock body keeps unanimous), only needs the bush that matches with the lock courage appearance according to the appearance configuration of lock courage, can realize assembling new lock courage in the same kind lock body to satisfy producer or user's demand.

Drawings

FIG. 1 is a front view of a padlock according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a padlock according to an embodiment of the present invention;

FIG. 3 is a perspective view of a different type of cylinder provided with a padlock according to an embodiment of the present invention;

FIG. 4 is another front view of a padlock according to an embodiment of the present invention;

FIG. 5 is another cross-sectional view of a padlock according to an embodiment of the present invention;

FIG. 6 is a schematic view of a padlock according to an embodiment of the present invention providing a process for removing the cylinder;

FIG. 7 is another cross-sectional view of a padlock according to an embodiment of the present invention;

FIG. 8 is another front view of a padlock according to an embodiment of the present invention;

FIG. 9 is another cross-sectional view of a padlock according to an embodiment of the present invention;

wherein, the reference numbers in the specification are as follows:

a-a gourd-shaped lock liner; b-8-shaped lock liner; a C-elliptical lock cylinder;

1-a lock beam; 11-a first locking bar; 12-a second locking bar; 13-a first locking groove; 14-a second locking groove; 15-annular locking groove;

2-a lock body; 21-a liner; 22-a lock liner; 221-bump structure; 23 a-a first ball; 23 b-a second ball; 24-barge shaft; 241-a first groove; 242 — a second groove; 243-third groove; 25-a stud; 26-a safety plug; 261-rubber ring; 27-a bottom cover; 271-raised structure; 272-boss configuration; 2721-third blind hole; 28-concave structure; 29-a fourth via; 30-a fifth through hole; 31 a-first flow guiding hole; 31 b-second flow guiding holes;

4-pad cylinder.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model provides a padlock, in an embodiment, specifically, as shown in fig. 1, the padlock can include collar bar 1 and lock body 2, specifically, can include lock courage 22, bush 21 and the axle of refuting 24 that the activity was located on lock courage 22 in the cavity of lock body 2. In this embodiment, it can be understood that the cylinder serves as a core of the padlock, and the mating key can rotate and drive the plug shaft 24 disposed on the cylinder 22, so that in practical applications, the structure of the cylinder may be damaged due to various problems, resulting in inflexibility, and at this time, the cylinder needs to be replaced.

In one embodiment, the shape of the liner 21 may match the inner cavity of the lock body 2, and the shape of the cylinder 22 may match the inner cavity of the liner 21, so that the liner 21 may be inserted into the inner cavity of the lock body 2, and the cylinder 22 may be inserted into the inner cavity of the liner 21, so that the shaft 24 may be movably disposed between the inner cavity of the lock body and the cylinder 22. It should be noted that, in the present embodiment, the matching between the liner 21 and the lock body 2 and the matching between the liner 21 and the lock cylinder 22 may be, for example, an inner cavity of the liner may be adapted to the outer shape of the lock cylinder, or a certain gap may be left between the inner cavity of the liner and the outer shape of the lock cylinder, so that the lock cylinder is more easily inserted into the inner cavity of the liner 21. Specifically, the bushing 21 can be made of a material such as a soft metal, or a plastic or a non-metal polymer, so that the bushing can have a relatively soft texture, and can be adapted to the bushing even if the outer shape of the cylinder has a certain processing error, so that the application range of the bushing is wider; of course, hard metals may be used, and are not limited thereto. In this embodiment, the liner 21 not only can be used to match with different types of lock cores 22, but also the liner 21 can be used to bear vibration, friction or corrosion, etc., so that the lock core 22 is embedded in the liner 21, the liner 21 is embedded in the cavity of the lock body, and the liner 21 can wrap the shape of the lock core 22 to protect the lock core 22, thereby prolonging the service life of the padlock. In this embodiment, when different lock cores 22 need to be replaced, the liner 21 matched with the lock core 22 is provided, so that different types of lock cores 22 can be flexibly installed in the cavity of the lock body 2, and thus, the selection of a user or a production manufacturer can be met.

For example, the actually used cylinder core 22 may include various types, and in an application scenario, as shown in fig. 3, the type of the cylinder core may be, for example, a gourd-shaped cylinder core a, a figure-8-shaped cylinder core B, or an oval cylinder core C, and accordingly, the internal structure of the liner 21 disposed between the cavity of the lock body 2 and the cylinder core 22 may be different, and specifically, the liner 21 may be configured according to the shape of the exterior of the cylinder core 22.

In an embodiment, the lock core 22 may be a gourd-shaped lock core 22A, the inner cavity of the bushing 21 may match with the shape of the gourd-shaped lock core a, and the bottom of the barge shaft may match with the top of the gourd-shaped lock core a.

Or the lock core 22 can also be an 8-shaped lock core B, the inner cavity of the liner 21 can be matched with the shape of the 8-shaped lock core B, and the bottom of the barge shaft can be matched with the top of the 8-shaped lock core B.

Or the lock core 22 is suspected to be an elliptical lock core C, the inner cavity of the liner 21 can be matched with the shape of the elliptical lock core C, and the bottom of the barge shaft can be matched with the top of the elliptical lock core C.

It should be noted that, for the lock containers of different types, the components connected between the top of the lock container and the bottom of the spindle can be set to be identical, and when the lock containers of different types need to be replaced in the same lock body, the lock containers of different types can be assembled in the same lock body only by configuring the corresponding appropriate bushings according to the appearance of the lock containers.

In addition, it should be noted that the above-mentioned type that relates to the lock courage is only used for the example, in the technical scheme to be protected in the utility model, to same type lock body (inner chamber structure is unanimous), same style collar, only need match suitable corresponding bush and suitable corresponding refute the axle (when different types lock denier needs to match different refute the axle) can realize assembling the lock courage of different grade type, not only can have simple and economic technological effect through this technical scheme, still can provide diversified selection for producer or user, and satisfy producer or user's demand; in addition, the lock cylinder 22 is protected, and the service life of the padlock is prolonged.

In one embodiment, as shown in fig. 1 and 2, the lock beam 1 may include a first lock bar 11 and a second lock bar 12, the lock body 2 may be provided with a first blind hole and a second blind hole, the first lock bar 11 may be disposed in the first blind hole, and the second lock bar 12 may be disposed in the second blind hole. The lock body 2 may include a first ball 23a in the cavity; a first through hole can be formed between the first blind hole and the barge shaft 24, so that the first ball 23a can be arranged in the first through hole; in particular, the first lock lever 11 may be provided with a first lock slot 13 matching with the first ball 23a, and the barge 24 may be provided with a first groove 241 matching with the first ball 23a, it being understood that the first ball 23a may be located between the first lock slot 13 and the first groove 241 when the padlock is in the locked state, or when the shackle 1 is placed in the first and second blind holes.

Based on the consideration of the pulling resistance of the lock rod, in one embodiment, a second ball may be further included in the cavity of the lock body 2, i.e., the embodiment may be provided with a double ball and a matching double lock rod, so as to enhance the pulling resistance of the padlock. Specifically, as shown in fig. 4, a second through hole may be provided between the second blind hole and the barge shaft 24, and a second ball may be provided in the second through hole; the second lock bar 12 may have a second lock slot 14 for matching with a second ball, and the barge shaft 24 may have a second groove 242 for matching with the second ball. In the embodiment, the two balls are arranged to be matched with the padlock, so that the structure of the padlock is more stable, and the pulling force of the padlock is improved.

In one embodiment, specifically, as shown in fig. 7, the top of the cylinder 22 may be provided with a bump structure 221, and the bottom of the barge 24 may be provided with a third groove 243; the bump structure 221 of the lock core 22 may be embedded in the third groove 243 of the spindle 24, so that the spindle 24 may be movably disposed on the lock core 22. Or the top of the lock core 22 may further be provided with a structure similar to the third groove 243, and the bottom of the barge shaft 24 may be provided with a similar bump structure 221, so that the bump structure 221 is embedded in the third groove 243, and the barge shaft 24 is movably disposed on the lock core 22, which is not limited herein. In this embodiment. It can be understood that, by the lug structure 221 being embedded in the third groove 243, the lock core 22 can be rotated by a key, so that the rotation of the lug structure on the lock core is realized, and the rotation of the barge shaft 24 is driven.

In one embodiment, specifically, as shown in fig. 5, the lock body 2 may further include a connector, a safety plug 26 and a bottom cover 27 within the cavity; wherein, the bottom of the lock body 2 is provided with an opening, and the shape of the bottom cover 27 is matched with the opening at the bottom of the lock body 2; the cavity at the bottom of the lock body 2 can be provided with an inner concave structure 28, one side of the bottom cover 27 can be provided with a convex structure 271 matched with the inner concave structure 28, and the convex structure 271 is embedded in the inner concave structure 28; the other side of the bottom cover 27 may be provided with a boss structure 272, the boss structure 272 may be provided with a third blind hole 2721, a fourth blind hole may be provided downward along the bottom of the second blind hole, and the fourth blind hole is provided with a third through hole along the third blind hole 2721, so that the third through hole and the third blind hole 2721 may be communicated through a connecting member, so that the bottom cover 27 is movably disposed at the bottom of the lock body 2; additionally, the safety plug 26 may be movably disposed within the fourth blind hole, and the safety plug 26 functions to block the connecting member so that the connecting member may be disposed within the third through hole and the third blind hole 2721 when the safety plug 26 is disposed within the fourth blind hole. Specifically, the connecting member may be, for example, a metal column, or a screw or a stud, and is not limited herein; the safety plug 26 can be for example the plug, and this plug can have certain elasticity to conveniently take out the plug, certainly, this safety plug 26 still can be for example metal stopper etc. in addition, can also set up rubber ring 261 in the outer lane of plug, then can make the matching of safety plug 26 and fourth blind hole compacter. In this embodiment, it can be understood that when the lock body 2 is in the closed state, the second lock rod is located in the second blind hole, the safety plug 26 cannot move normally, and at this time, the safety plug can block the connecting member, so that the safety of the padlock can be ensured in the lock-closed state, and the illegal damage can be avoided.

In one embodiment, as shown in fig. 5, the connecting member may be a stud 25, preferably, a hexagon socket stud 25 may be selected, and other connecting members such as a screw may be selected, but not limited thereto; the third blind hole 2721, or the third through hole, or the third blind hole 2721 and the third through hole may be provided with a first internal thread, and then the other end of the bottom cover 27 may be connected to the lock body 2 by connecting the external thread of the stud 25 with the first internal thread; the lock body 2 is further provided with a fourth through hole 29 corresponding to the third blind hole 2721 and the third through hole so that the stud 25 can be screwed out through the fourth through hole 29 by using a tool such as a hexagon socket tool or a screwdriver; a fifth through hole 30 is formed in the bottom of the lock body 2 along the third blind hole 2721, and the inner diameter of the fifth through hole 30 is smaller than the outer diameter of the safety plug 26, so that the safety plug 26 can be ejected by a sharp needle tool. Specifically, when the bottom cover 27 needs to be removed, the safety plug 26 can be removed first, at this time, the second lock rod 12 can be lifted, the safety plug 26 can be lifted by using a tool such as a sharp needle through the fifth through hole 30, the stud 25 can be removed by using a tool such as a hexagon socket or a screwdriver through the fourth through hole 29, and thus, the other end of the bottom cover 27 can be separated from the lock body 2.

In an embodiment, the safety plug 26 may be a screw, but a hexagon socket head screw 25 may be selected, and the third blind hole 2721 may be further provided with a second internal thread, so that the safety plug 26 may be movably disposed in the third blind hole 2721 by the connection of the external thread of the screw and the second internal thread, and when the safety plug 26 needs to be removed, the safety plug 26 may be removed by a screwdriver, for example.

How the lock body is taken out will be described below with reference to specific drawings, and specifically, as shown in fig. 6, by the following serial numbers

The steps of (a):

the method comprises the following steps: when the padlock is in a locked state, the lock cylinder 22 is rotated by a key to drive the first groove 241 and the second groove 242 of the barge shaft to rotate to positions corresponding to the first lock groove and the second lock groove, so that the first ball 23a and the second ball move towards the first groove 241 and the second groove 242 respectively, and at the moment, when the padlock is in an unlocked state, the lock beam 1 can be lifted.

Step two: after lifting the shackle 1, the second blind hole may be left free, at which point the safety plug 26 may be ejected (or, when the safety plug 26 is a screw or stud 25, may be unscrewed by a corresponding tool).

Step three-four: ejecting the safety plug 26 by using a tool such as a sharp needle (e.g., a needle holder or a thread needle); after ejection of the safety plug 26, the spike is again withdrawn from the lock body.

Step (c) - (c): a tool such as a socket head (or a screwdriver) is used to pass through the fifth through hole 30, and the head of the socket head is inserted into the socket head hole in the stud 25, and the stud 25 can be screwed out of the third blind hole 2721 by rotating the socket head; after the stud 25 is unscrewed from the third blind hole, the stud 25 is removed from the lock body 2.

Step eight-R: the key can be removed by depressing the shackle 1 and turning the key to lock the key back to its initial position.

Step (ii) of

After the key is taken out, the bottom cover 27 can be drawn out, and then a new lock cylinder 22 of the same type or another type of lock cylinder 22 can be replaced; to avoid encumbrance, the process of replacing the cylinder is not described.

It should be noted that the above steps are only one embodiment of the present invention, and do not represent all of them. The technical scheme of replacing the lock core of the utility model has the characteristics of simple assembly, simple operation and the like by deducing the process of taking out the lock core; in addition, in this embodiment, when a new lock core needs to be replaced, except that the liner 21 and the lock core 22 need to be replaced (if the same lock core is used, the liner may not need to be replaced), other parts in the lock body do not need to be replaced again, and the lock core can be reused; in addition, the padlock can only take out the old lock cylinder and replace the old lock cylinder in the unlocking state, so that the safety of the padlock can be improved, and the padlock is prevented from being illegally damaged.

In one embodiment, as shown in fig. 4, the second lock lever 12 is further provided with an annular lock groove 15 matched with the second ball. When the lock beam 1 is lifted, the annular lock groove 15 can be matched and connected with the second ball, so that the lock beam 1 can be left in the lock body 2, and the lock beam 1 can be rotated by 360 degrees through the annular lock groove 15, thereby bringing convenience to the practical use of a user.

Based on consideration of users or requirements, if the users need to take out the lock beam 1, the padlock can also be realized by the following scheme, in one embodiment, specifically, as shown in fig. 8, the padlock further comprises a pad column 4 matched with the second blind hole; the pad column body 4 is movably arranged in the second blind hole, wherein the bottom of the second lock rod 12 can be abutted with the top of the pad column body 4. In this embodiment, when unblanking, can take out the arc 1, so can satisfy user's demand.

In one embodiment, as shown in fig. 9, the bottom cover 27 is further provided with a limiting hole, which can be used to allow the key to rotate the cylinder 22 within a certain range. In this embodiment, then can guide the key to rotate to certain direction on the one hand through the stopper, be favorable to unblanking fast, on the other hand can also make the key to the rotation of lock courage 22 in certain formation scope, restriction lock courage 22 pivoted scope and avoid excessively rotating and lead to the fact destruction to lock courage 22, so also can not appear excessively rotating and destroy lock courage 22.

In an embodiment, the bottom of the first blind hole and the bottom of the second blind hole are respectively provided with a diversion hole along the outer side of the lock body 2, specifically, as shown in fig. 5, the bottom of the first blind hole is provided with a first diversion hole 31a along the outer side of the lock body 2, and the bottom of the second blind hole is provided with a second diversion hole 31b along the outer side of the lock body 2, when existing liquid, such as rainwater, drips into the lock, the liquid can flow out through the first diversion hole 31a and/or the second diversion hole 31b, and the liquid cannot flow into the blind holes to corrode the inside of the lock body 2, so that the durability of the lock body 2 is further improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A padlock, wherein the padlock comprises a shackle and a lock body;

the inner cavity of the lock body comprises a lock liner, a bushing and a barge shaft movably arranged on the lock liner;

the appearance of bush with the inner chamber phase-match of lock body, the appearance of lock courage with the inner chamber phase-match of bush, the bush inlays to be located the inner chamber of lock body, the lock courage inlays to be located the inner chamber of bush, so that the bush activity is located the inner chamber with between the lock courage.

2. The padlock of claim 1, wherein the shackle comprises a first locking bar and a second locking bar, the lock body is provided with a first blind hole and a second blind hole, the first locking bar is disposed within the first blind hole, and the second locking bar is disposed within the second blind hole;

the cavity of the lock body comprises a first ball and a second ball;

a first through hole is formed between the first blind hole and the barge shaft, and the first ball is arranged in the first through hole; a first lock groove matched with the first ball is formed in the first lock rod, and a first groove matched with the first ball is formed in the barge shaft;

a second through hole is formed between the second blind hole and the barge shaft, and the second ball is arranged in the second through hole; and a second lock groove matched with the second ball is arranged on the second lock rod, and a second groove matched with the second ball is arranged on the barge shaft.

3. The padlock of claim 2, wherein a bump structure is arranged at the top of the cylinder, and a third groove matched with the bump structure is arranged at the bottom of the barge shaft;

the convex block structure of the lock core is embedded in the third groove of the barge shaft, so that the barge shaft is movably arranged on the lock core.

4. A padlock according to claim 2 or claim 3, wherein the lock body further comprises a connector, a safety plug and a bottom cover within the cavity;

an inner concave structure is arranged on a cavity at the bottom of the lock body, a convex structure matched with the inner concave structure is arranged on one side of the bottom cover, and the convex structure is embedded in the inner concave structure;

a boss structure is arranged on the other side of the bottom cover, a third blind hole is formed in the boss structure, a fourth blind hole is formed downwards along the bottom of the second blind hole, a third through hole is formed in the fourth blind hole along the third blind hole, and the connecting piece is communicated with the third through hole and the third blind hole so that the bottom cover is movably arranged at the bottom of the lock body; the safety plug is movably arranged in the fourth blind hole.

5. The padlock of claim 4, wherein the connector is a stud;

the third blind hole and/or the third through hole are/is provided with first internal threads, and external threads of the stud are connected with the first internal threads;

the lock body is also provided with a fourth through hole corresponding to the third blind hole and the third through hole;

and a fifth through hole is formed in the bottom edge of the lock body and on the third blind hole, and the inner diameter of the fifth through hole is smaller than the outer diameter of the safety plug.

6. The padlock of claim 5, wherein the safety plug is a screw;

the third blind hole is provided with a second internal thread, and the external thread of the screw is connected with the second internal thread, so that the safety plug is movably arranged in the fourth blind hole.

7. A padlock according to any one of claims 5 or 6,

the lock core is a gourd-shaped lock core, and the bush is matched with the gourd-shaped lock core in shape;

or the lock core is an 8-shaped lock core, and the shape of the lining is matched with that of the 8-shaped lock core;

or the lock core is an oval lock core, and the shape of the lining is matched with that of the oval lock core.

8. The padlock of claim 7, wherein the second locking bar further comprises an annular locking groove that mates with the second ball.

9. The padlock of claim 8, further comprising a post that mates with the second blind hole;

the pad column body is movably arranged in the second blind hole, and the bottom of the second lock rod is abutted to the top of the pad column body.

10. A padlock according to any one of claims 8 or 9, wherein the bottom cover is provided with a limiting aperture for a key to rotate the cylinder within a predetermined range.

Images