CN101748933A - Padlock capable of being fixed on door lock - Google Patents

Abstract

The invention relates to a padlock capable of being fixed on a door lock, which comprises a lock shell and a coded lock group arranged in the lock shell, wherein the lock shell is provided with a fixing hole for installing the door lock, when the coded lock group is in an unlocking state, a lock block of the coded lock group can be separated from the fixing part of the lock shell, so that a front lock cover of the lock shell can pivot relative to a rear lock cover of the lock shell to enable a containing chamber to be in an open state, at the moment, a key hole of the door lock is exposed to allow a key to be inserted to open the door lock, when the coded lock group is in a locking state, the lock block of the coded lock group is connected to the fixing part of the lock shell, so that the front lock cover of the lock shell cannot pivot relative to the rear lock cover of the lock shell to enable the containing chamber to be in a closed state, at the moment, the key hole of the door lock cannot be exposed to avoid being filled with glue.

Description

Padlock that can be fixed to the door lock

technical field

The invention relates to locks, in particular to a padlock that can be fixed to a door lock.

Background technique

Locks can be roughly divided into combination locks and key locks. Combination locks can only be opened by users entering a specific password, while key locks can only be opened by inserting the corresponding key into the keyhole.

The door locks of the general house door mostly use key locks. After the user goes home, the key is inserted into the keyhole of the door lock and turned to open the door.

However, recently, unscrupulous people often inject colloids such as superglue or three-second glue into the keyhole on purpose, causing the keyhole to be blocked and unable to be inserted by the key, resulting in the user having to replace a new door lock to enter the home; Unscrupulous people pour quick-drying chemical colloid into the keyhole, and after the chemical colloid solidifies, it can be copied into a key to enter the house for burglary.

Contents of the invention

The purpose of the present invention is to provide a padlock which can be fixed on the door lock to prevent the key hole of the door lock from being filled with unknown colloid, so as to increase the safety of the home.

To achieve the above purpose, the padlock provided by the present invention includes a lock case and a combination lock set. The lock case has a front lock cover, a rear lock cover pivotally arranged on the front lock cover and a chamber formed between the front lock cover and a rear lock cover, wherein the rear lock cover has at least one fixing portion and a fixing hole for fixing the door lock; the combination lock is set on the front lock cover of the lock case and is located in the chamber, and has a plurality of combination wheels, a movable plate connecting the plurality of combination wheels and at least A lock block is detachably connected to the fixing part.

When the plurality of combination wheels are toggled to the correct combination and are in the unlocked state, the movable plate can swing relative to the lock block so that the lock block can be separated from the fixed part, so that the front lock cover can pivot relative to the rear lock cover At this time, the user can insert the key into the keyhole of the door lock; when the plurality of code wheels are turned to the wrong code and the lock is in the locked state, the movable plate blocks the lock block and allows the lock block to be connected The fixing part prevents the front lock cover from pivoting relative to the rear lock cover. At this time, the door lock is located in the chamber so that the keyhole will not be exposed, so as to avoid being filled with unknown glue and truly achieve the purpose of the present invention.

Description of drawings

Fig. 1 is a perspective view of a first preferred embodiment of the present invention.

Fig. 2 is an exploded perspective view of the first preferred embodiment of the present invention.

Fig. 3 is a partial sectional view of the first preferred embodiment of the present invention, mainly showing that the combination lock group is in a locked state.

Fig. 4 is a side sectional view of the first preferred embodiment of the present invention, mainly showing that the combination lock group is in an unlocked state.

Fig. 5 is a front view, mainly showing that the first preferred embodiment of the present invention is installed on the door lock, and the combination lock group is in an unlocked state.

Fig. 6 is similar to Fig. 5, but mainly shows that the combination lock group is in a locked state.

Fig. 7 is a partial perspective exploded view of the second preferred embodiment of the present invention.

Fig. 8 is a partial front view of the second preferred embodiment of the present invention, mainly showing the state of the lock hook being opened.

[Description of main component symbols]

"First embodiment"

Padlock 10 Lock Case 20

Front lock cover 22 Opening hole 221

Rear lock cover 24 Fixing hole 242

Perforation 244 Fixed part 246

Embedded groove 248 Embedded hole 25

Chamber 26 Sheath 28

Protruding column 282 Combination lock group 30

Fixed seat 32 chute 322

Lock block 34 Embedding end 342

Password wheel 36 Movable board 38

Door panel 40 Door lock 42

Keyhole 422 Screw 44

"Second Embodiment"

Padlock 50 rear lock cover 52

Containment chamber 54 Password wheel 56

Lock hook 60 pivot joint 62

Hook 64 Groove 642

Lock plate 70 Long slot 72

Control part 80 Toggle part 82

Positioning part 84 Positioning end 842

Detailed ways

The following preferred embodiments are listed below in conjunction with the drawings to describe the structure and effects of the present invention in detail.

Referring to FIG. 1 and FIG. 2 , the padlock 10 provided by the first preferred embodiment of the present invention includes a lock case 20 and a combination lock set 30 .

The lock case 20 has a front lock cover 22 and a rear lock cover 24 pivotally arranged on the front lock cover 22, so that a chamber 26 is formed between the front lock cover 22 and the rear lock cover 24, which can be used for paper strips or other small Item placement. The front lock cover 22 has four openings 221 communicating with the outside world and the chamber 26; the rear lock cover 24 has a fixing hole 242, a plurality of perforations 244 and a pair of fixing parts 246, wherein the fixing holes 242 can just cover the door lock 42 , each perforation 244 can be provided with a screw 44, so that the rear lock cover 24 can be fixed on the door panel 40 by the plurality of screws 44, as shown in Figure 5, and each fixing part 246 is locked by the rear lock cover 24 towards the front. 22 and has a slot 248 at its end. In addition, the lock case 20 also has a sheath 28 , the sheath 28 is set on the rear lock cover 24 , and is inserted into the second embedding hole 25 of the rear lock cover 24 by using two protrusions 282 to be fixed on the rear lock cover 24 , to prevent the rear lock cover 20 from directly contacting the door panel 40 . It is worth mentioning that the method of fixing the lock housing 20 to the door panel 40 is not limited to using the screw 44 , as long as it can be fixed to the door panel 40 .

Please refer to FIG. 3 , the combination lock set 30 is fixed on the front lock cover 22 by a fixed base 32 and located in the chamber 26 , and has a pair of lock blocks 34 , four combination wheels 36 and a movable plate 38 . The plurality of locking blocks 34 are arranged in the two slide grooves 322 of the fixing seat 32, and each has an embedding end 342, and each embedding end 342 can be embedded in the embedding groove 248 of the fixing portion 246 of the rear lock cover 24; A password wheel 36 is partly exposed outside through the opening 221 of the front lock cover 22, so as to facilitate the user to toggle; Driven to swing relative to the plurality of lock blocks 34 . When the movable plate 38 is blocked by the plurality of lock blocks 34, the embedding ends 342 of the plurality of lock blocks 34 are embedded in the slots 248 of the rear lock cover 24, so that the front lock cover 22 cannot be opposite to the rear lock cover 24. Pivoting to be in a locked state; when the movable plate 38 is deflected and not blocked by the plurality of locking blocks 34, as shown in Figure 4, the plurality of locking blocks 34 can slide in the plurality of sliding grooves 322, The embedding ends 342 of the plurality of locking blocks 34 can be disengaged from the slots 248 of the rear lock cover 24 , and at this time, the front lock cover 22 can pivot relative to the rear lock cover 24 to be in an unlocked state.

When the user returns to the house and will open the door lock 42, at first the plurality of password wheels 36 are dialed to the correct password, so that the movable plate 38 is deflected and left between the plurality of lock blocks 34. The person can apply force to pull the front lock cover 22 outwards, as shown in Figure 5, the chamber 26 is opened, and the door lock 42 is exposed to the outside, so that the user inserts the key into the keyhole 422 and Unlock the door lock 42 .

On the other hand, after the user will leave the house and lock the door lock 42, the front lock cover 22 is covered, so that the embedding end 342 of the combination lock group 30 is embedded in the slot 248 of the rear lock cover 24, and any A cipher wheel 36 makes the movable plate 38 deflect and stop between the plurality of lock blocks 34. At this time, the front lock cover 22 will not be able to be pulled open, allowing the chamber 26 to be in a closed state, while also allowing the The door lock 42 is covered by the front lock cover 22 and will not be exposed outside, as shown in FIG. 6 .

Therefore, the padlock of the present invention can effectively protect the door lock of the house, and prevent the keyhole of the door lock from being filled with unknown colloid, so as to improve the safety of the house; Or other small items are placed in the container to convey information to other family members.

Please refer to Fig. 7 again, for the padlock 50 provided by the second preferred embodiment of the present invention, its main structure is roughly the same as that of the above-mentioned embodiment, but its difference is:

This embodiment also includes a locking hook 60 , a locking plate 70 and a control member 80 . The lock hook 60 has a pivot portion 62 and a hook portion 64 connected to the pivot portion 62, wherein the pivot portion 62 is pivotally arranged on the rear lock cover 52 and can move up and down relative to the rear lock cover 52 along its own axial direction, and the hook The end of the part 64 can be embedded or separated from the rear lock cover 52 through the axial displacement of the pivotal part 62, and the end of the hook part 64 has a groove 642; the lock plate 70 is arranged on the rear lock cover 52, and has a long slot 72; the control member 80 is embedded in the long slot 72 of the lock plate 70 and can move left and right along the long slot 72, and has a toggle part 82 and a positioning part 84, and the positioning part 84 has a positioning end 842, which can be locked fit into the groove 642 of the hook portion 64 .

The padlock 50 of this embodiment can also be used as a general padlock in addition to having the functions of the above embodiments. When the lock hook 60 is to be opened, the chamber 54 is opened by toggling the plurality of password wheels 56 first, and then the toggling part 82 of the control member 80 is toggled to the right to force the control member 80 to open. The positioning end 842 of the positioning part 84 is separated from the groove 642 of the hook part 64 of the locking hook 60, as shown in FIG. .

The constituent elements disclosed in the foregoing embodiments of the present invention are for illustration only, and are not intended to limit the scope of the present invention. Substitution or changes of other equivalent elements should also be covered by the claims of the present application.

Claims (5)

1. the padlock that can be fixed in door lock is characterized in that, includes:

One lock housing has the back locking closure and that locking closure, before is hubbed at this preceding locking closure and is formed at this preceding locking closure and a room between the locking closure afterwards, and wherein this back locking closure has at least one fixed part and in order to fix the fixing hole of this door lock; And

One coded lock group, be located at the preceding locking closure of this lock housing and be arranged in this room, and portable plate and at least one lock dog that is connected this fixed part separably with a plurality of cipher wheel, these a plurality of cipher wheel of connection, when these a plurality of cipher wheel are unlocking condition, this portable plate is this lock dog beat and allow this lock dog can break away from this fixed part relatively, make this preceding locking closure this back locking closure pivot relatively, when these a plurality of cipher wheel are blocking, this this lock dog of portable plate block and allow this lock dog connect this fixed part, make this preceding locking closure relatively this back locking closure pivot.

2. the padlock that is fixed in door lock as claimed in claim 1 is characterized in that, respectively this fixed part of the back locking closure of this lock housing has a caulking groove, and respectively this lock dog of this coded lock group has an interlocking end, and these a plurality of interlocking ends are embedded in these a plurality of caulking grooves.

3. the padlock that is fixed in door lock as claimed in claim 1 is characterized in that, also includes a latch hook, a jam plate and a control member; This latch hook has an articulated section is connected this articulated section with one hook part, and this articulated section is hubbed at this lock housing and along itself axially relatively this lock housing displacement, this hook part is embedded or leaves this lock housing by the axial displacement of this articulated section, and has a groove; This jam plate is located at the back locking closure of this lock housing; This control member is located at this jam plate movably, and has a positioning end, and this positioning end embeds or leave the groove of the hook part of this lock housing by the displacement of this control member.

4. the padlock that is fixed in door lock as claimed in claim 3 is characterized in that this jam plate has an elongated slot, and this control member is sticked in this elongated slot, and has a clicking section and a location division, and this location division has this positioning end.

5. the padlock that is fixed in door lock as claimed in claim 1 is characterized in that this lock housing also has a sheath, and this sheath covers at the trailing flank of this back locking closure.

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