TWI643779B - Folding lock - Google Patents

Abstract

The present invention provides a folding lock, which is mainly provided with a lock body, a fixing seat, a lock core, a brake member, a fixing piece, a locking head and a folding piece set, wherein the lock body is a fastening portion is disposed, the fastening portion is provided with two steel ball holes, and the two steel ball holes are respectively provided with a positioning steel ball, and the locking core is disposed on the fixing seat, and the braking device is assembled on the locking core a rotating surface of the brake member is disposed on the wall surface of the brake member, and the fixing seat, the lock core and the brake member are disposed in the receiving groove of the lock body. The brake member is disposed in the housing of the lock body, and the fixing piece is disposed in the receiving groove of the lock body and located on the outer side of the fixing seat, and the locking head is assembled to the lock body The fastening wall of the locking head is provided with a fastening ring groove for positioning the steel ball, and the folding piece group is composed of a first folding piece, a plurality of middle folding pieces and a second folding piece. And a plurality of rivets, the first folded piece is assembled on the lock body, the second Lamination stack connected to the latch head, so, by abutting latch lock body and the head of the latch, the latch can easily be in a fixed position on the article, can achieve the best anti-theft effect.

Description

Folding lock

The invention relates to a folding lock, in particular to a kind of folding lock, which can reduce the volume, is convenient to be stored and can be quickly deployed, and can achieve the anti-theft function of the best lock.

Press, generally used to hold items in a position to prevent theft of items (such as bicycles), the most common are cable locks, U-locks and folding locks, etc., although the type of lock used to lock items A lot, but it is still the most convenient to fold lock, mainly because the cable lock, U-lock is large, heavy, and takes up space when it is stored, and the folding lock can reduce the volume to a minimum by folding, so that the storage The volume after the lock does not occupy space. However, the conventional folding lock has a common disadvantage, that is, the keyhole of the lock core is directly located on the surface of the lock body. Generally, the lock structure of the lock core is extremely simple, and the thief can easily be tooled by The key hole of the lock core is inserted, and the lock piece in the lock core is unbuttoned or broken, so the anti-theft effect is not ideal.

The main object of the present invention is to provide a folding lock which can effectively solve the shortcomings of the conventional folding lock in use.

The folding lock of the present invention comprises: a lock body, the bottom of the lock body is provided with a receiving groove, and a receiving chamber is further disposed on the inner side of the receiving groove, and a positioning rib is disposed on the wall surface of the receiving groove of the locking body. A slot is formed on the outer surface of the wall of the lock body. The upper part of the lock body is provided with a fastening portion. The space of the lock body extends to the inside of the fastening portion. The outer wall of the portion is oppositely provided with two steel ball holes communicating with the chamber of the lock body, and the two positioning steel balls are respectively disposed in the holes of the steel ball, and a limiting groove is arranged on the wall surface of the lock body; a fixing seat is disposed in the receiving groove of the lock body, and a positioning strip groove is disposed on the outer wall surface of the fixing seat, the positioning strip groove corresponding to the positioning convex strip of the lock body, the outer wall surface of the fixing seat The insertion slot of the fixing seat is opposite to the slot of the lock body, and the fixing seat is provided with a fixing hole communicating with the insertion groove, and a first fixing column is worn. The fixing hole is disposed in the fixing hole of the fixing seat and is disposed in the insertion groove of the fixing seat. One side of the fixing seat is provided with a positioning groove, and one side of the positioning groove is provided with a limiting groove, and the fixing seat is The other side is provided with a key insertion hole connected to the positioning groove; a lock core is disposed on the positioning groove of the fixing seat, and a positioning convex body is disposed on the outer wall surface of the locking core, the positioning convex portion The system is disposed in the lock body of the lock body and the fixing seat. One side of the lock core is provided with a key hole, and the lock core is provided with a rotating body corresponding to the other side of the key hole; The set is disposed on the rotating body of the lock core, and a bottom of the brake member is provided with a positioning recess, the positioning slot The rotating body of the lock body is embedded, and the outer wall surface of the brake member is oppositely provided with a concave curved surface for the two positioning steel balls; a fixing piece is fixed in the receiving groove of the lock body and Located on the outer side of the fixing seat, the fixing piece is provided with a key insertion hole, and the key insertion hole of the fixing piece is opposite to the key insertion hole of the fixing seat; a locking head is connected to the buckle of the locking body a locking chamber is arranged in the connecting portion, and a locking ring groove is arranged on the inner wall of the locking head, and a plugging groove is arranged on the outer wall surface of the locking head, and the locking head is disposed inside the chamber a fixing hole is connected to the insertion groove of the locking head, and a second fixing column is disposed in the fixing hole of the locking head and the insertion groove of the locking head; The first folded piece, the second folded piece, the plurality of middle folded pieces and the plurality of rivets are pivotally assembled, and one end of the first folded piece and the second folded piece are respectively provided with a perforation, and the middle portion is located in the middle The two ends of the folded piece are respectively provided with perforations, and the number of rivets are threaded through each of the plurality of intermediate folded pieces and the first fold And the second folding piece and the second folding piece are respectively disposed on two outer sides of the plurality of middle folding pieces, the first folding piece and the second piece The other end of the folded piece is provided with a splicing portion, and the insertion portion is provided with a fixing hole, and the first folding piece is inserted The first fastening post is inserted into the fixing hole of the insertion portion of the first folding piece, and the second folding piece is disposed in the slot of the locking body and the insertion groove of the fixing base. The insertion portion is connected to the insertion groove of the locking head, and the second fixing column is disposed in the fixing hole of the insertion portion of the second folded piece.

The folding lock of the invention has the advantages that the lock core and the structure thereof are hidden in the lock body, and the internal structure of the lock body cannot be known from the outside of the lock body, the lock core structure is not easily broken, and the correct key is not easy to unlock. It has excellent anti-theft effect.

1‧‧‧Lock body

10‧‧‧ accommodating slots

11‧‧ ‧ room

12‧‧‧ positioning ribs

13‧‧‧ slots

14‧‧‧Deduction Department

15‧‧‧Steel hole

16‧‧‧ Positioning steel balls

17‧‧‧Limited slot

2‧‧‧ Fixed seat

20‧‧‧Position bar slot

21‧‧‧Insert trough

22‧‧‧Fixed holes

23‧‧‧First fixed column

24‧‧‧ positioning groove

25‧‧‧Limited slot

26‧‧‧Key jack

3‧‧‧Lock

30‧‧‧ Positioning convex

31‧‧‧ keyhole

32‧‧‧Swing

4‧‧‧Brakes

40‧‧‧ Positioning slot

41‧‧‧ concave curved surface

5‧‧‧Fixed tablets

50‧‧‧Key jack

6‧‧‧Lock head

60‧‧ ‧ room

61‧‧‧Snap ring groove

62‧‧‧Insert trough

63‧‧‧Fixed holes

64‧‧‧Second fixed column

7‧‧‧Folding film set

70‧‧‧First folded piece

71‧‧‧Second folded piece

72‧‧‧Intermediate folding piece

700, 710, 720‧ ‧ piercing

701, 711‧‧‧Interpolation Department

702, 712‧‧‧ fixing holes

73‧‧‧ Rivets

8‧‧‧ key

The first figure is an exploded perspective view of an embodiment of the present invention.

The second figure is a three-dimensional combination diagram of an embodiment of the present invention.

The third figure is a combined cross-sectional view of an embodiment of the present invention.

The fourth figure is a schematic cross-sectional view of the embodiment of the present invention when unlocked.

The fifth figure is a schematic cross-sectional view of the embodiment of the present invention when it is locked.

The sixth figure is a perspective view of the embodiment of the present invention when it is locked.

The seventh figure is a schematic diagram of the embodiment of the present invention when it is folded.

For the purpose of the present invention, the preferred embodiments of the present invention are set forth in the accompanying drawings. As shown in FIG. 3 , the main body of the lock body 1 is provided with a receiving slot 10 , and a receiving chamber 11 is disposed on the inner side of the receiving slot 10 . A positioning rib 12 is disposed on the wall surface. The outer wall surface of the lock body 1 is provided with a slot 13 communicating with the accommodating slot 10. The upper portion of the lock body 1 is provided with a fastening portion having a diameter smaller than that of the lock body 1. The chamber 11 extends to the inside of the fastening portion 14 , and the outer wall surface of the fastening portion 14 is oppositely disposed to communicate with the chamber 11 . The steel ball hole 15 and the two positioning steel ball 16 are respectively disposed in the steel ball hole 15 , and a limiting groove 17 is disposed on the wall surface of the chamber 11; a fixing seat 2 is disposed in the receiving groove of the lock body 1 In the outer wall surface of the fixing base 2, a positioning groove 20 is disposed on the outer wall surface of the fixing base 2, and a fixing groove 21 is further disposed on the outer wall surface of the fixing base 2, and the fixing base 2 is provided with a connecting groove 21 a fixing hole 22, a first fixing post 23 is disposed in the fixing hole 22 and is disposed in the insertion slot 21, and a positioning groove 24 is disposed on one side of the fixing seat 2, and the positioning groove 24 is disposed A limiting slot 25 is disposed on one side of the fixing seat 2, and a key insertion hole 26 is formed on the other side of the fixing seat 2; a locking core 3 is disposed on the positioning groove of the fixing base 2 A positioning protrusion 30 is disposed on the outer wall surface of the lock core 3, and the positioning protrusion 30 is disposed in the limiting body 17 and 25 of the lock body 1 and the fixing base 2, and the lock core 3 A key hole 31 is disposed on a side of the lock body 3, and a rotating body 32 is disposed on the other side of the keyhole 31; a brake member 4 is disposed on the lock core 3, and the bottom of the brake member 4 is disposed Have a certain a recessed surface 41 is provided on the outer wall surface of the brake member 4, and a fixing surface 5 is fixed in the receiving groove 10 of the lock body 1 and located at the outer wall surface of the brake member 4; The outer side of the fixing base 2 is provided with a key insertion hole 50; a locking head 6 is coupled to the fastening portion 14 of the lock body 1, and the locking head 6 is provided with a capacity a fastening ring groove 61 is defined in the inner wall of the cavity 60, and a fixing hole 63 is formed in the inner wall surface of the cavity 60. The insertion slot 62, a second fixing post 64 is disposed in the fixing hole 63 and the insertion slot 62; a folded sheet set 7 is composed of a first folded piece 70, a second folded piece 71, and a number The middle folded piece 72 and the plurality of rivets 73 are pivotally assembled. One end of the first folded piece 70 and the second folded piece 71 are respectively provided with a through hole 700, 710, and the two ends of the middle folded piece 72 in the middle are also Each of the plurality of rivets 73 is provided with a through hole 720, and the rivet 73 is pivotally disposed on the second folded piece 71 and the second folded piece 71 respectively. The first folded sheet 70 to the other end of the second folded sheet 71 is provided with a detent portion 701, 711 is inserted, the insertion portion 701, 711 is provided with a detent on the fixing hole 702, 712, the insertion portion 701 of the first folding piece 70 is assembled in the slot 13 of the lock body 1 and the insertion slot 21 of the fixing base 2, and the insertion portion 711 of the second folding piece 71 The set is connected to the insertion slot 62 of the locking head 6, and thus is a folding lock structure.

When assembling, please refer to the first to fourth figures. First, the brake member 4 is assembled on the lock core 3, so that the rotating body 32 of the lock core 3 is embedded in the positioning slot 40 of the brake member 4, and then the lock is locked. The core 3 is disposed on the positioning groove 24 of the fixing base 2, so that a positioning protrusion 30 of a part of the locking core 3 is embedded in the limiting slot 25 of the fixing base 2, and the keyhole 31 of the locking core 3 is aligned with The key socket 26 of the fixing base 2, the locking core 3, the braking member 4 and the fixing base 2 are placed together in the receiving groove 10 of the lock body 1, and the braking member 4 is set in the locking body 1 The positioning protrusion 30 of the other part of the lock core 3 is embedded in the limiting slot 17 of the lock body 1 , and the positioning rib 12 of the lock body 1 is placed at the limit of the fixed seat 2 . In the slot 20, the insertion portion 701 of the first folded piece 70 of the folded piece set 7 is inserted into the slot 13 of the lock body 1 and the insertion slot 21 of the fixed seat 2, and then the first fixing post 23 is inserted. The insertion hole 701 of the first folding piece 70 is fixed on the lock body 1 and then the fixing piece 5 is forced into the lock by the fixing hole 22 of the fixing seat 2 and the fixing hole 702 of the first folding piece 70. The body 1 is accommodated in the slot 10, and will be on The member is disposed in the lock body 1 , and the two positioning steel balls 16 are respectively disposed in the two steel ball holes 15 of the lock body 1 , and the outer sides of the two steel ball holes 15 are slightly punched to slightly reduce the diameter of the outer wall. The positioning steel ball 16 is positioned in the steel ball hole 15 and does not fall out. The insertion portion 711 of the second folding piece 71 is disposed in the insertion groove 62 of the locking head 6 so that the fixing hole 712 of the second folding piece 71 is fixed. The second fixing piece 64 is fixed to the fixing hole 63 of the locking head 6 and the second fixing piece 64 is inserted into the fixing holes 63 and 712 of the locking head 6 and the second folding piece 71. The locking head 6 is thus assembled to complete the assembly.

When in use, please refer to the fourth to sixth figures, and the folded sheets 70, 71, 72 of the folded sheet set 7 of the present invention are unfolded and wound around the articles to be locked and the fixed objects, and then The fastening portion 14 on the lock body 1 at the outer end of a folded piece 70 is inserted into the second folded piece 71 In the chamber 60 of the locking head 6 of the outer end, the positioning steel ball 16 on the lock body 1 corresponds to the position of the fastening ring groove 61 of the locking head 6, and then the key inserted in the fixing piece 5 and the fixing seat 2 The keys 8 of the jacks 50 and 26 and the keyhole 31 of the lock core 3 rotate, and the rotation of the key 8 drives the rotating body 32 of the lock core 3 to rotate, and the rotating body 32 drives the brake member 4 to rotate along with the brake member 4 The positioning steel ball 16 in the concave curved surface 41 is pushed outward along the side wall surface of the brake member 4, so that a portion of the two positioning steel balls 16 is outwardly pushed out of the outer wall surface of the fastening portion 14 of the lock body 1. And being inserted into the buckle ring groove 61 of the locking head 6, the two positioning steel balls 16 are restricted by the brake member 4 and cannot be retracted to the lock body 1. Thus, the positioning ball 16 is inserted into the locking head 6 In the snap ring groove 61, the locking action of the lock can be completed; when the buckle is to be unwound, please refer to the third and fourth figures, and only need to be reversely inserted into the fixed piece 5 and the fixed seat 2 The key jacks 50, 26 and the key 8 on the keyhole 31 of the lock core 3 are rotated by the rotating body 32 of the lock core 3 to rotate the brake member 4 to the original position, so that the concave curved surface 41 of the brake member 4 is again At the position of the positioning steel ball 16, the outer wall surface of the braking member 4 no longer resists the positioning steel ball 16, and the positioning steel ball 16 can move into the lock body 1, so that the positioning steel ball 16 is disengaged from the fastening ring groove 61 of the locking head 6. And the inside of the fastening portion 14 of the lock body 1 is retracted, the fastening portion 14 of the lock body 1 can be removed from the locking buckle 6 , so that the unlocking action can be completed, and the invention is very convenient to use. The lock can be positioned for any item, and the lock 3 and other lock members are hidden in the lock body 1 so that the thief can not easily unlock and unlock the lock, and has excellent anti-theft function.

When the folding lock is not used, please refer to the third and seventh figures. The user only needs to fold the folding sheets 70, 71, 72 on each other to reduce the overall volume, which is convenient for storage and placement. More convenient to use.

In view of the above, the present invention has achieved the intended use and efficacy, and is more desirable and practical than the prior art, but the above embodiments are only specifically described for the preferred embodiment of the present invention. This embodiment is not intended to limit the scope of the patent application of the present invention. The equivalent changes and modifications made by the technical means disclosed in the present invention should be included in the scope of the patent application covered by the present invention.

Claims (1)

A folding lock includes: a lock body, a accommodating groove is disposed at a bottom of the lock body, and a receiving chamber is further disposed on the inner side of the accommodating groove, and a positioning rib is disposed on the wall surface of the accommodating groove of the lock body, the lock A slot is formed on the outer surface of the wall of the main body, and a latching portion is disposed on the upper portion of the lock body. The housing of the lock body extends to the inside of the fastening portion. The outer wall surface is oppositely provided with two steel ball holes communicating with the cavity of the lock body, and the two positioning steel balls are respectively disposed in the holes of the steel ball, and a limiting groove is arranged on the wall surface of the lock body; a fixing seat The fixing seat is disposed in the receiving groove of the lock body, and a positioning strip groove is disposed on the outer wall surface of the fixing seat, and the positioning strip groove corresponds to the positioning convex strip of the lock body, and the outer wall surface of the fixing seat is separately provided. The insertion slot of the fixing seat is aligned with the slot of the lock body, and the fixing seat is provided with a fixing hole communicating with the insertion groove, and a first fixing column is disposed through the fixing hole a fixing hole of the fixing seat and is inserted into the insertion groove of the fixing seat One side of the fixing seat is provided with a positioning groove, and one side of the positioning groove is provided with a limiting slot, and the other side of the fixing seat is provided with a key socket connected to the positioning groove; a positioning protrusion is disposed on the positioning groove of the fixing seat, and a positioning protrusion is disposed on the outer wall surface of the locking core, and the positioning convex system is disposed in the limiting body of the locking body and the fixing seat, the locking core One side is provided with a key hole, and the lock core is provided with a rotating body corresponding to the other side of the key hole; a brake member is disposed on the rotating body of the lock core, and a positioning embedded at the bottom of the brake member is disposed a groove, the positioning groove is embedded in the rotating body of the lock core, and the outer wall surface of the brake member is oppositely provided with a concave curved surface for the two positioning steel balls; a fixing piece is fixed in the receiving groove of the lock body and located on the outer side of the fixing seat. The fixing piece is provided with a key insertion hole, and the key insertion hole of the fixing piece is opposite to the key of the fixing seat The latching head is connected to the fastening portion of the lock body, and the lock head is provided with a chamber, and the inner wall of the lock head is provided with a buckle ring groove, and the lock head a plugging groove is formed on the outer wall surface, and a fixing hole is formed in the inner wall surface of the locking head to communicate with the insertion groove of the locking head, and a second fixing column is disposed through the fixing hole of the locking head And a folding sleeve of the locking head; a folding sheet group is formed by a first folding piece, a second folding piece, a plurality of middle folding pieces and a plurality of rivets, the first folding piece and the first folding piece One end of the second folded piece is respectively provided with a through hole, and the two ends of the middle middle folded piece are respectively provided with perforations, and the number of rivets are threaded through each of the plurality of intermediate folded pieces and the first folded piece and the first The two folded sheets correspond to the perforations and are riveted, and the first folded piece and the second folded piece are respectively pivoted The other side of the first folded piece and the second folded piece are respectively provided with a plug portion, and the insertion portion is provided with a fixing hole, and the first folding piece is inserted into the insertion portion The first fixing column is inserted into the fixing hole of the insertion portion of the first folding piece, and the second folding piece is inserted into the slot of the locking body and the insertion slot of the fixing seat. The shackle is connected to the insertion slot of the locking head, and the second fixing post is disposed in the fixing hole of the insertion portion of the second folded piece.