TWM483307U - Anti-theft lock - Google Patents

Description

Anti-theft lock

The present invention relates to a lock, and more particularly to an anti-theft lock that avoids external damage.

In order to protect the safety of people's lives and property, various kinds of locks are installed at each entrance to prevent thieves from invading, and in order to prevent the locks from being stolen by thieves. Each of the lock manufacturers has improved the anti-theft effect of the locks, such as the Republic of China Announcement No. I290187, I265228 Patent Case, the World Intellectual Property Organization Open No. WO 2011/051703 Patent Case, and the European Patent Office Publication No. 2642047, 2025838 No. 1,290,187 discloses a lock and key system having an additional combination of check digits, the key having a wavy guiding surface disposed on a side, the key being inserted into a lock, and a lock within the lock Or a plurality of lock side locks are engaged with the brake plug body, and the side lock brake plug body cooperates with a side lock mechanism to lock the key plug against the rotation, and the key is guided by a wave-like shape A cryptographic top section is provided at the upper boundary of the side material region where the surface is cut at the side of the key sheet body, thereby increasing the cryptographic strength of the lock.

The I265228 patent discloses a lock comprising a key structure and a lock core structure having a corresponding key passage, wherein the key structure is connected to each other by the upper, middle and lower lock pieces, the upper, middle, and Corresponding perforations are respectively disposed on the lower locking piece, so that the middle locking piece is formed by the corresponding perforation and the upper and lower locking pieces are arranged in a staggered arrangement, so that the two sides are assembled to be the same distance and the lower fitting groove, and the upper and the lower locking grooves are The insertion of the lower fitting groove as a key structure is non-directional. The lock core structure and the key structure comprise an inner lock core, a nest body and an outer sleeve body, wherein the inner lock core is provided with an open slot and the slot edge is dug with the same direction and the vertical direction groove, so that the inner lock core can be obtained by The open slot and the vertical slot are sleeved with the nest body to form a key passage for the key structure to be inserted and corresponding, so that when the small tool is broken by the lock pin inside the inner lock core, Delayed theft time.

However, the above-mentioned respective cases are respectively modified for the lock core structure, but actually the lock device is composed of a lock case, a first lock core, a second lock core and a connecting ring. The first lock core and the second lock core are respectively disposed at two ends of the lock case, and are driven by the connecting ring. However, in order to fix the lock on a door, the lock case has a door and the door The assembled hole is assembled, and the combination of the first lock core, the second lock core and the connecting ring is not fixedly combined with each other, and becomes a loose interlocking structure and is not pinned with each other, and The relationship of the assembly hole is opened, so that the structural strength of the locking shell located in the assembly hole is relatively weak, when the thief holds one of the first lock core or the second lock core through the tool and applies a direction The force is such that the force exerted by the thief is concentrated on one side of the lock case. When the lock case cannot bear the force, the breakage damage occurs from the position of the assembly hole, and the effective protection cannot be provided.

The main purpose of this creation is to overcome the problem that the conventional lock is susceptible to external force and damage the lock structure.

In order to achieve the above object, the present invention provides an anti-theft lock comprising a lock case, a first lock core, a second lock core and a connecting buckle. The lock case includes a first hollow assembly portion and a second hollow assembly portion that are coaxially disposed and separated by a spaced portion, and a bridge portion that connects the first hollow assembly portion and the second hollow assembly portion. The first lock core is assembled in the first hollow assembly portion, has a first set of joints protruding from the first hollow assembly portion and located in the interval portion, and a first protruding portion on the first set of joint ends A limit ring. The second lock core is assembled in the second hollow assembly portion, has a second set of ends protruding from the second hollow assembly portion in the spacing portion, and a protrusion protruding from the second set of ends Second limit ring. The connecting buckle is received in the spacing portion of the lock housing, and has a first combined end assembled toward the first lock core, and a second combined end assembled toward the second lock core. a first limiting end that engages the first limiting ring and the first locking core is fixed in combination with the connecting buckle, and a second limiting end and a second limiting ring card a second restricting portion that is inserted into the second lock core and combined with the connecting buckle.

In one embodiment, the first lock core has a first assembly slot for the first restriction ring to be assembled therein, and the second lock core has a second assembly slot for the second restriction ring to be assembled therein.

In an embodiment, the first combining end and the second combining end are respectively a missing slot on the connecting buckle.

In an embodiment, the first limiting portion and the second limiting portion are respectively an opening in the connecting buckle.

In one embodiment, the lock housing has an assembly cutout formed on the bridge portion and a structural support member assembled to the assembly cutout.

In one embodiment, the lock case further has a plurality of combined holes formed in the assembly slot, and the structural support member has a plurality of corresponding ones for each of the combination holes for a combination member to pass through the combination hole for fixing. Connection through hole.

In an embodiment, the first limiting ring has a first collar portion fixed to the first locking core and a first locking portion connected to the first collar portion and engaging the first limiting portion. The second limiting ring has a second collar portion fixed to the second locking core and a second latching portion connecting the second collar portion and engaging the second limiting portion.

In an embodiment, the first limiting ring and the second limiting ring are respectively a C-shaped buckle.

In one embodiment, the lock case is assembled from a first half-shell including the first hollow assembly and a second half-shell including the second hollow assembly.

In an embodiment, the lock housing has an assembly hole that is disposed on the bridge portion and can be assembled with a door.

The first limiting ring and the second limiting ring are respectively disposed on the first locking core and the second locking core, and the connecting buckle is provided with the first limiting ring and the The first limiting portion and the second limiting portion of the second limiting ring combination fix the first locking core, the second locking core and the connecting buckle to each other, thereby strengthening the overall structural strength of the anti-theft lock and avoiding Suffering from external forces and being quickly destroyed.

The detailed description and technical content of this creation are as follows:

Referring to FIG. 1 to FIG. 3 , the present anti-theft lock 100 is disposed on a door (not shown), and comprises a lock case 1 , a first lock core 2 , a second lock core 3 , and a connecting buckle 4 . Organized. The lock case 1 includes a first hollow assembly portion 12 and a second hollow assembly portion 13 that are coaxially disposed and separated by a spacing portion 11 , and a first hollow assembly portion 12 and the second hollow portion are connected The bridging section 14 of the assembly portion 13. The first lock core 2 is assembled in the first hollow assembly portion 12 and has a first set of terminals 21 protruding from the first hollow assembly portion 12 at the spacing portion 11 and a protrusion A first set of rings 22 on a set of ends 21. Further, the first limiting ring 22 of the present invention has a first collar portion 221 fixed to the first lock core 2 and a first one extending integrally from the first collar portion 221 in an embodiment. The cassette portion 222. More specifically, the first limiting ring 22 can be a C-shaped buckle. The first lock core 2 has a first assembly groove 23 for assembling the first restriction ring 22.

Referring to FIG. 1 to FIG. 3 , the second lock core 3 is actually the same member as the first lock core 2 and is disposed in the second hollow assembly portion 13 . The second lock 3 is disposed. There is a second set of terminals 31 protruding from the second hollow assembly portion 13 in the spacing section 11 and a second limiting ring 32 protruding from the second set of terminals 31. Further, the second limiting ring 32 is also the same member as the first limiting ring 22 . In an embodiment, the second limiting ring 32 has a second ring fixed to the second locking core 3 . The sleeve portion 321 and a second latch portion 322 integrally extending from the second loop portion 321 . Similarly, the second restriction ring 32 can also be a C-type buckle. The second lock core 3 has a second assembly groove 33 into which the second restriction ring 32 is assembled.

Moreover, the connecting buckle 4 is received in the spacing portion 11 of the lock case 1. The connecting buckle 4 has a first combined end 41 assembled toward the first lock core 2, and a second lock facing the second lock a second combination end 42 assembled by the core 3, a first limit disposed on the first combining end 41 and engaging the first limiting ring 22 to fix the first locking core 2 and the connecting buckle 4 in combination a portion 43 and a second restricting portion 44 disposed at the second combining end 42 and engaging the second limiting ring 32 to fix the second locking core 3 and the connecting buckle 4 in combination. Further, the first combining end 41 and the second combining end 42 are respectively a slot on the connecting buckle 4, and more specifically, the first combining end 41 and the second combining end 42 can be machined. Made by techniques, such as lathes, CNC machining, etc. On the other hand, the first limiting portion 43 and the second limiting portion 44 may be an opening in the connecting buckle 4, and the positions of the first limiting portion 43 and the second limiting portion 44 may be The design requirements adjust its position on the connecting buckle 4.

In the above, when the anti-theft lock 100 is assembled, the first lock core 2 or the second lock core 3 is first assembled with the lock case 1 , and the first lock core 2 is assembled first, and then the assembly is assembled. The embodiment of the second lock 3 will be described. The first locking core 2 penetrates into the first hollow assembly portion 12 of the lock case 1 so that the first set of connecting ends 21 protrudes from the spacing portion 11 , and then the connecting buckle ring 4 corresponds to the spacing portion 11 And assembling the first set of connecting ends 21 toward the first set of connecting ends 21 of the first lock core 2, and the first limiting ring 22 is inserted into the first combined end 41, and partially engaged Among the first restricting portions 43. More specifically, after the first lock ring 22 is connected to the connecting buckle 4, the first loop portion 221 of the first limiting ring 22 is placed in the first combining end 41, The first latching portion 222 is inserted into the first restricting portion 43 , and the first retaining ring 22 itself has a proper deformation characteristic. When the first latching portion 222 is contracted into the first restricting portion At the same time, the first lock core 2 is provided with a pressing effect. In this way, the first lock core 2 is fixedly connected to the connecting buckle 4 . Thereafter, the second lock core 3 is assembled in the second hollow assembly portion 13 and the second set of terminals 31 protrudes from the second hollow assembly portion 13 to be located in the spacer portion 11. The second set of ends 31 is combined with the second combined end 42 of the connecting buckle 4, and the second limiting ring 32 is placed in the second combined end 42 , more specifically, the second limiting ring The second loop portion 321 of the 32 is inserted into the second joint end 42 , the second latch portion 322 is snapped into the second restricting portion 44 , and the second latch portion 322 is contracted into the second limit portion At the same time, the portion 44 also provides a pressing effect to the second lock core 3, and the second lock core 3 and the connecting buckle 4 are fixed. Thus, after the assembly of the anti-theft lock 100 is completed, the first lock core 2, the second lock core 3 and the connecting buckle 4 are fixed to each other, and the overall structural strength of the anti-theft lock 100 is enhanced to avoid the first One of the lock core 2 and the second lock core 3 is destroyed by an external force, and the anti-theft lock 100 is damaged.

Referring to FIG. 1 to FIG. 3 , in an embodiment, the lock case 1 has an assembly slot 15 formed on the bridge portion 14 and a structural support member 16 assembled on the assembly slot 15 . Further, the assembly of the assembly slot 15 and the structural support member 16 is various. In an embodiment, the lock housing 1 further has a plurality of combined holes 17 formed in the assembly slot 15 . The structural support member 16 has a plurality of connecting through holes 18 corresponding to each of the combined holes 17 for fixing the assembled member 5 and being fixed to the combined hole 17. Further, the connecting through hole 18 can be a screw. Furthermore, the lock case 1 can be divided into two components according to the structural design of the lock and the manufacturing considerations, or can be machined by a material. Therefore, in one embodiment, the lock case 1 is assembled from a first half-shell 1a including the first hollow assembly portion 12 and a second half-shell 1b including the second hollow assembly portion 13. In addition, the lock case 1 has an assembly hole 19 corresponding to the bridge portion 14 for assembling the anti-theft lock with a door.

In summary, the creation anti-theft lock is composed of a lock case, a first lock core and a second lock core. The lock case includes a first hollow assembly portion and a second hollow assembly portion that are coaxially disposed and separated by a spaced portion, and a bridge portion that connects the first hollow assembly portion and the second hollow assembly portion. The first lock core is assembled in the first hollow assembly portion and has a first restriction ring. The second lock core is assembled in the second hollow assembly portion and has a second restriction ring. The connecting buckle is disposed in the spacing section and is coupled to the first locking core and the second locking core, the connecting buckle has a first limiting portion for engaging the first limiting ring and a The second restricting portion of the second restricting ring is engaged, thereby connecting the first lock core, the second lock core and the connecting buckle to each other, thereby strengthening the overall structural strength of the anti-theft lock.

The above description has been made in detail, but the above is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the creation of the creation, that is, the equality of the patent application scope according to the present creation. Changes and modifications are still covered by the patents of this creation.

1‧‧‧Lock shell
1a‧‧‧first half shell
1b‧‧‧ second half shell
11‧‧‧ interval section
12‧‧‧First Hollow Assembly Department
13‧‧‧Second Hollow Assembly Department
14‧‧‧Bridge section
15‧‧‧Assembling missing slots
16‧‧‧Structural support
17‧‧‧ Combination hole
18‧‧‧Connecting through holes
19‧‧‧Assembled holes
2‧‧‧First lock
21‧‧‧The first set of joints
22‧‧‧First Limit Ring
221‧‧‧ First ring set
222‧‧‧ First card department
23‧‧‧First assembly slot
3‧‧‧Second lock
31‧‧‧The second set of joints
32‧‧‧Second limit ring
321‧‧‧ Second ring set
322‧‧‧Second Card Department
33‧‧‧Second assembly slot
4‧‧‧Connecting buckle
41‧‧‧First combination end
42‧‧‧Second combination end
43‧‧‧First Restriction Department
44‧‧‧ Second Restriction Department
5‧‧‧assemblies
100‧‧‧Anti-theft locks

FIG. 1 is a schematic view showing the appearance of an embodiment of the present invention. FIG. 2 is a schematic exploded view of an embodiment of the present invention. FIG. 3 is a schematic exploded view of another direction of an embodiment of the present invention. Fig. 4 is a partial cross-sectional structural view showing an embodiment of the present invention.

1‧‧‧Lock shell

1a‧‧‧first half shell

1b‧‧‧ second half shell

11‧‧‧ interval section

12‧‧‧First Hollow Assembly Department

14‧‧‧Bridge section

19‧‧‧Assembled holes

2‧‧‧First lock

4‧‧‧Connecting buckle

100‧‧‧Anti-theft locks

Claims (10)

An anti-theft lock includes: a lock housing including a first hollow assembly portion and a second hollow assembly portion coaxially disposed and separated by a spacing portion, and a first hollow assembly portion and the second connection portion a bridge portion of the hollow assembly portion; a first lock core assembled in the first hollow assembly portion, having a first set of ends protruding from the first hollow assembly portion and located in the spacing portion, and a protruding portion a first limiting ring on the first set of ends; a second locking core, assembled in the second hollow assembly, having a second set of ends protruding from the second hollow assembly and located in the spaced section And a second limiting ring protruding from the second set of ends; and a connecting buckle received in the spaced portion of the locking case, having a first combination assembled toward the first locking core a second assembly end assembled toward the second lock core, a first set at the first combined end and the first limit ring being engaged therein to fix the first lock core and the connection buckle a restriction portion and a second assembly end and the second And a second restricting portion that the limiting ring is engaged therein to fix the second locking core and the connecting buckle. The anti-theft lock of claim 1, wherein the first lock core has a first assembly groove in which the first restriction ring is assembled, and the second lock core has a first assembly ring in which the second restriction ring is assembled Two assembly slots. The anti-theft lock of claim 1, wherein the first combining end and the second combining end are respectively a missing slot on the connecting buckle. The anti-theft lock of claim 3, wherein the first restricting portion and the second restricting portion are respectively an opening in the connecting buckle. The anti-theft lock of claim 1, wherein the lock case has an assembly notch formed on the bridge portion, and a structural support member assembled on the assembly notch. The anti-theft lock of claim 5, wherein the lock case further has a plurality of combined holes formed in the assembly slot, and the structural support member has a plurality of corresponding ones for each of the combination holes for one assembly to be worn. The combined hole is a fixed connection through hole. The anti-theft lock of claim 1, wherein the first restricting ring has a first loop portion fixed to the first lock core and a first loop portion connected to the first loop portion and snapped into the first restricting portion. a first latching portion having a second loop portion fixed to the second lock core and a second latch portion connecting the second loop portion and snapping into the second restricting portion . The anti-theft lock of claim 7, wherein the first limiting ring and the second limiting ring are each a C-shaped buckle. The anti-theft lock of claim 1, wherein the lock case is assembled from a first half-shell including the first hollow assembly and a second half-shell including the second hollow assembly. The anti-theft lock of claim 1, wherein the lock case has an assembly hole that is disposed on the bridge portion and can be assembled with a door.