CN201406913Y - Padlock - Google Patents

Abstract

A padlock comprises a shell, a lock core, a latch and an elastic element, wherein the latch is inserted through the front end of the shell and pushes against the elastic element. Due to the action of the elastic element, the latch is forced to maintain a buckled state with the shell in the absence of external force. Therefore, even when the lock core is in an unlocked state, the user can still buckle the object by using the cooperation between the latch and the shell to facilitate access at any time. Therefore, the padlock of the utility model has diversified usage functions.

Description

padlock

technical field

The utility model relates to a lockset, in particular to a padlock which is used to prevent articles from being stolen and is convenient for locking articles at any time.

Background technique

Padlocks are common small-sized locksets in daily life, and are generally used in luggage, bicycles and other articles. The padlocks in the prior art include a lock case, a lock core, and a U-shaped latch. The lock core is installed in the lock case, and the lock The connecting end of the bolt is pivotally set in the lock case, and the free end of the bolt is also inserted in the lock case to interact with the lock core. When the lock core is in the unlocked state, the free end of the lock bolt is forced to spring off axially. When the lock case is to be locked, place the bolt across the object to be locked, and then push the free end of the bolt into the lock case, at this time the lock core is automatically locked to engage the lock bolt in the lock case.

However, since the free end of the lock bolt is forced to break away from the lock housing when the padlock of the prior art is in the unlocked state, the padlock of the prior art can only fasten two items between the lock bolt and the lock housing when the padlock is in the locked state. In the meantime, the user must use a key or the like to unlock the padlock of the prior art before the two items can be untied from the fixed state. The two draw rings are fixed to avoid sliding open, but when it is not intended to be locked for the convenience of opening, the padlock of the prior art cannot provide the corresponding function, so it still has its inconvenience in use.

Utility model content

The main technical problem to be solved by the utility model is to overcome the above-mentioned defects in the prior art, and provide a padlock, so that the padlock can still fix two items to each other in an unlocked state.

In order to achieve the above-mentioned creative purpose, the technical means adopted in the utility model is to design a padlock, which includes:

A shell, which has a front end and a rear end, a front chamber, a rear chamber and an intermediary chamber are formed in the housing, the intermediary chamber is located between the front chamber and the rear chamber, the first side of the front end of the housing is There is a slot in the through molding, the slot communicates with the front chamber, the second side of the front end of the shell is concavely formed with a slot, and the rear end of the shell is formed with an opening inward, and the opening communicates with the back chamber;

A lock core, which is arranged in the rear chamber of the shell and opposite to the opening of the shell, the lock core includes a lock core assembly and a lock rod, the lock rod is eccentrically arranged on the lock core assembly and extends into the intermediary chamber of the shell , when the lock core assembly is in the unlocked state, the lock lever can be driven to rotate;

A lock bolt, which is passed through the front end of the shell and has a connection end and a free end, the connection end of the lock bolt is passed through the notch of the shell, and the free end of the lock bolt is passed through the cavity of the shell, A push block is formed on the connecting end of the latch horizontally, and the push block is arranged in the front chamber of the shell, and a stopper is formed on the side surface of the push block, and the stop block is set in the intermediary chamber of the shell;

An elastic element, which is installed in the front chamber of the housing, and the two ends respectively push the pushing block of the latch and the inner wall of the housing;

Wherein the blocking block corresponds to the locking rod, and the locking rod can be rotated to block the sliding path of the blocking block.

The aforementioned padlock, wherein when the lock rod of the lock core is rotated, it is in the state of straddling the top side and the bottom side of the intermediary chamber of the housing, or is only in the state of being arranged on the top side of the intermediary chamber of the housing, and the lock bar The stopper is arranged in the bottom side of the intermediary chamber of the shell.

In the aforementioned padlock, the thickness of the ejecting block of the lock bolt is greater than the thickness of the block of the lock bolt.

The aforementioned padlock, wherein the lock core includes a limiting piece, the limiting piece is sheathed and fixed on the lock rod, the periphery of the limiting piece is radially extended to form an arc-shaped protrusion, and the lock core component is formed with an arc-shaped projection. The block corresponding to the shaped bump.

In the aforementioned padlock, the cross section of the locking rod is semicircular, and the center of the limiting piece is formed with a semicircular perforation, and the perforation of the limiting piece is fitted with the locking rod.

The aforementioned padlock, wherein the lock core assembly includes a lower bead seat, an upper bead seat, and an array of lock cylinder assemblies, the lower bead seat and the shell are fixed to each other, the upper bead seat and the lower bead seat are butted and adjacent to the opening of the shell, The lock cylinder assembly is installed between the upper bead seat and the lower bead seat, the lock rod is eccentrically arranged on the end face of the upper bead seat and runs through the lower bead seat, and the locking block is extended and formed on the end face of the lower bead seat.

The aforementioned padlock, wherein the locking rod is integrally formed on the end face of the upper bead seat.

In the aforementioned padlock, the push-off block of the lock bolt is laterally extended and formed on the connecting end of the lock bolt, and the end surface of the push-off block is concavely formed with a chute, and the elastic element is passed through the chute.

In the aforementioned padlock, a protruding rib protrudes from the housing between the front chamber and the intermediary chamber, and a recess is formed on the bottom surface of the stopper of the latch, which fits with the rib of the housing.

In the aforementioned padlock, a pin is formed extending inwardly from the rear chamber of the casing, and the bead seat of the lock core assembly has a buttonhole, and the buttonhole fits with the bolt.

The utility model has the advantage that, by means of the arrangement of the elastic element, the lock bolt and the outer shell are forced to be in the state of interlocking under the condition of no external force, so even if the user is in the state where the lock core is not locked, the user can also The latch and the shell can be used to fasten the articles, so that the utility model can have more diversified functions in use.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a three-dimensional appearance schematic diagram of the utility model with a key

Fig. 2 is the exploded schematic view of some components of the utility model

Fig. 3 is an exploded schematic diagram of some components of another perspective of the utility model

Fig. 4 is a three-dimensional schematic diagram of the utility model in a locked implementation state

Fig. 5 is a top view of the utility model in a locked implementation state

Fig. 6 is a three-dimensional schematic diagram of the utility model in an unlocked but buckled implementation state

Fig. 7 is a top view of the utility model in an unlocked but buckled implementation state

Fig. 8 is a three-dimensional schematic diagram of the implementation state of the utility model in the state of unlocking and disengaging

Fig. 9 is a top view of the utility model in an implementation state of unlocking and disengaging

Explanation of symbols in the figure:

10 shell 101 shell

11 front chamber 12 rear chamber

13 Intermediary chamber 14 Convex ribs

15 pin 16 lack of slot

17 slots 18 openings

20 lock core 21 lock core components

211 lower bead seat 212 upper bead seat

213 lock cylinder assembly 214 buttonhole

215 block 22 lock lever

23 limit piece 231 perforation

232 arc bump 30 latch

31 connection end 32 free end

33 push block 331 chute

34 block 341 slot

40 elastic elements 50 keys

Detailed ways

Referring to FIGS. 1 to 3 , the padlock of the present invention includes a housing 10 , a lock core 20 , a latch 30 and an elastic element 40 .

The aforementioned housing 10 has a front end and a rear end. The housing 10 can be formed by docking the upper and lower shells 101. A front chamber 11, a rear chamber 12 and an intermediary chamber 13 are formed in the housing 10. The intermediary chamber 13 Located between the front chamber 11 and the rear chamber 12, a protruding rib 14 is protrudingly formed in the shell 10 between the front chamber 11 and the intermediate chamber 13, and a pin 15 is formed extending inwardly in the rear chamber 12. The first side of the front end of the housing 10 is formed with a slot 16, the slot 16 communicates with the front chamber 11, the second side of the front end of the housing 10 is concavely formed with a slot 17, and the rear end of the housing 10 is formed with an opening inward. 18. The opening 18 communicates with the rear chamber 12.

The aforementioned lock core 20 is arranged in the rear chamber 12 of the housing 10 and is opposite to the opening 18 of the housing 10. The lock core 20 includes a lock core assembly 21, a locking rod 22, and a limiting piece 23;

The aforementioned lock core assembly 21 is located in the rear chamber 12 of the housing 10 and can be various common lock core components in this technical field, such as cylinder locks, ball locks, strip locks, combination locks and other common structures. The new lock core assembly 21 used here includes a lower bead seat 211, an upper bead seat 212, and an array of lock cylinder assemblies 213, and the lower bead seat 211 is fixed by engaging the latch 15 of the housing 10 through the button hole 214. In the shell 10, the upper bead seat 212 is docked with the lower bead seat 211 and is adjacent to the opening 18 of the shell 10, and the lock cylinder assembly 213 is passed between the upper bead seat 212 and the lower bead seat 211, and each lock cylinder assembly 213 includes upper and lower lock cylinders and springs. In a normal state, the spring pushes the lower lock cylinder so that the lower lock cylinder penetrates the upper bead seat 212, so that the upper bead seat 212 cannot rotate relative to the lower bead seat 211. When the key 50 is inserted into the upper bead seat 212 from the opening 18 of the shell 10 to push the upper lock cylinder, then the upper lock cylinder pushes the lower lock cylinder so that the connecting surface of the upper and lower lock cylinders is just equal to the upper bead seat 212 and the lower bead. Seat 211 joins the surface, untie the state that upper bead seat 212 and lower bead seat 211 are engaged at this moment, so turning key 50 can drive upper bead seat 212 to rotate;

The aforementioned lock rod 22 is eccentrically arranged on the lock core assembly 21 and extends into the intermediary chamber 13 of the casing 10. When the lock core assembly 21 is in an unlocked state, the lock rod 22 can be driven to rotate, and the lock rod 22 can be rotated to Across the top side and the bottom side of the intermediary chamber 13, it can also be rotated to only be located in the top side of the intermediary chamber 13. The section of the locking bar 22 is semicircular. In a preferred embodiment, the locking bar 22 It is eccentrically arranged on the end face of the upper bead seat 212 and runs through the lower bead seat 211, or integrally formed on the end face of the upper bead seat 212;

The aforementioned limiting piece 23 is sleeved and fixed on the lock bar 22. The center of the limiting piece 23 is formed with a semicircular perforation 231 to fit with the semicircular locking bar 22. The circumference of the limiting piece 23 has a diameter of There is an arc-shaped protrusion 232 formed in the extension, and a corresponding block 215 is formed on the lock core assembly 21. In this preferred embodiment, the block 215 is extended and formed on the end surface of the lower bead seat 211. When the limiting piece 23 is pressed The locking rod 22 is driven to rotate, and when the end edge of the arc-shaped protrusion 232 abuts against the locking block 215 , the locking block 215 resists the limiting plate 23 so that it cannot rotate any more, thereby limiting the rotation angle of the locking rod 22 .

The aforementioned latch 30 is passed through the front end of the housing 10. The latch 30 is U-shaped and has a connecting end 31 and a free end 32. The connecting end 31 of the latch 30 is inserted in the slot 16 of the housing 10. The free end of the latch 30 is passed through the housing 17 of the casing 10, and a push block 33 is formed on the connection end 31 of the latch 30 transversely, and the push block 33 is arranged in the front chamber 11 of the casing 10. The end face of jacking block 33 is concavely formed with a chute 331, and the side surface of pushing away block 33 is molded with stopper 34, and stopper 34 is located in the bottom side of the intermediary chamber 13 of shell 10, and the thickness of pushing away block 33 Greater than the thickness of the stopper 34, the bottom surface of the stopper 34 is concavely formed with a slot 341, the slot 341 fits with the rib 14 of the housing 10 to assist in limiting the sliding path of the latch 30, the stopper 34 and the lock core 20 Corresponding to the lock bar 22, when the lock bar 22 is rotated to straddle the top side and the bottom side of the intermediary chamber 13, the lock bar 22 blocks the sliding path of the block 34 so that the block 34 cannot slide, when the lock When the rod 22 is rotated to only pass through the top side of the intermediary chamber 13 , the stopper 34 can freely slide in the bottom side of the intermediary chamber 13 .

The above-mentioned elastic element 40 is penetrated in the front chamber 11 of the housing 10, and the two ends respectively push the pushing block 33 of the latch 30 and the inner wall of the housing 10, and the elastic element 40 can be penetrated in the slide of the latch 30 slot 331.

4 and 5, the lock lever 22 rotates to straddle the sliding path of the block 34. At this time, because the sliding path of the block 34 is blocked, the latch 30 as a whole cannot move laterally, so The padlock is locked.

Please refer to Fig. 6 and Fig. 7, the lock bar 22 is rotated to break away from the sliding path of the stopper 34, although the stopper 34 can slide freely at this moment, the latch 30 is pushed up by the elastic element 40, and the latch is still locked. The free end 32 of the padlock 30 is engaged in the slot 17 of the housing 10 , so although the padlock is in an unlocked state, the fastening state between the latch 30 and the housing 10 is still not released.

8 and 9, when the sliding path of the block 34 is not blocked, the user can push the latch 30, and the connecting end 31 of the latch 30 slides in the notch 16 of the housing 10, and When the pushing block 33 compresses the elastic element 40 , the free end 32 of the latch 30 disengages from the slot 17 of the housing 10 , thereby releasing the fastening state between the latch 30 and the housing 10 .

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model, All still belong to within the scope of the technical solution of the utility model.

Claims (10)

1. A padlock, characterized in that, comprising: A housing with a front end and a rear end, in which a front chamber, a rear chamber and an intermediary chamber are formed, the intermediary chamber is located between the front chamber and the rear chamber, and the first side of the front end of the housing runs through A slot is formed, the slot communicates with the front chamber, the second side of the front end of the shell is concavely formed with a slot, and the rear end of the shell is formed with an opening inward, and the opening communicates with the rear chamber; A lock core, located in the rear chamber of the housing and opposite to the opening of the housing, the lock core includes a lock core assembly and a lock rod, the lock rod is eccentrically arranged on the lock core assembly and extends into the intermediary chamber of the housing , when the lock core assembly is unlocked, the lock lever can be driven to rotate; A lock bolt is installed in the front end of the shell and has a connection end and a free end. A push block is formed on the connecting end of the latch, and the push block is arranged in the front chamber of the housing, and a stopper is formed on the side surface of the push block, and the stopper is arranged in the intermediary chamber of the casing; An elastic element is installed in the front chamber of the casing, and the two ends respectively push the pushing block of the latch and the inner wall of the casing; The blocking block corresponds to the locking rod, and the locking rod can be rotated to block the sliding path of the blocking block. 2. The padlock according to claim 1, characterized in that: when the lock rod of the lock core is rotated, it is in the state of straddling the top side and the bottom side of the intermediary chamber of the outer shell, or is only provided on the outer shell. In the state of the top side of the intermediary chamber, the stopper of the latch is arranged in the bottom side of the intermediary chamber of the housing. 3. The padlock according to claim 2, characterized in that: the thickness of the ejecting block of the deadbolt is greater than the thickness of the stopper of the deadbolt. 4. The padlock according to any one of claims 1 to 3, characterized in that: the lock core includes a limiting piece, which is sheathed and fixed on the lock rod, and the circumference of the limiting piece has a diameter of An arc-shaped protrusion is formed extending in the direction, and a locking block corresponding to the arc-shaped protrusion is formed on the lock core assembly. 5. The padlock according to claim 4, characterized in that: the section of the locking rod is semicircular, and the center of the limiting piece is formed with a semicircular perforation, and the perforation of the limiting piece is fitted with the locking rod . 6. The padlock according to claim 5, characterized in that: the lock core assembly includes a lower bead seat, an upper bead seat, and an array of lock cylinder assemblies, the lower bead seat and the shell are fixed to each other, and the upper bead seat and the lower bead seat are fixed together. The bead seat is docked and adjacent to the opening of the shell. The lock cylinder assembly is installed between the upper bead seat and the lower bead seat. The locking rod is eccentrically arranged on the end face of the upper bead seat and runs through the lower bead seat. The clamping block is extended and formed on the lower bead seat. end face of the seat. 7. The padlock according to claim 6, wherein the locking rod is integrally formed on the end surface of the upper bead seat. 8. The padlock according to claim 7, characterized in that: the push-off block of the lock bolt is formed on the connecting end of the lock bolt by extending laterally, and a chute is concavely formed on the end surface of the push-off block, and the elastic element installed in the chute. 9. The padlock according to claim 8, characterized in that: a protruding rib is protrudingly formed in the housing between the front chamber and the intermediary chamber, and a recess is formed on the bottom surface of the stopper of the latch. The embedding groove fits with the convex rib of the casing. 10. The padlock according to claim 9, characterized in that: a bolt is formed extending inwardly from the rear chamber of the housing, and the lower bead seat of the lock core assembly has a buttonhole, and the buttonhole is embedded with the bolt combine.

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