CN109972933B

CN109972933B - Folding lock

Info

Publication number: CN109972933B
Application number: CN201811488232.0A
Authority: CN
Inventors: 林郁宾
Original assignee: Rerlly Industry Co ltd
Current assignee: Rerlly Industry Co ltd
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2020-07-24
Anticipated expiration: 2038-12-06
Also published as: CN109972933A

Abstract

The invention provides a folding lock, which is mainly provided with a lock body, a fixed seat, a lock core, a braking piece, a fixed piece, a locking head and a folding piece group, wherein the lock body is provided with a buckling part, two steel ball holes on the buckling part are respectively provided with a positioning steel ball, the lock core is assembled on the fixed seat, the braking piece is assembled on a rotating body of the lock core, the wall surface of the braking piece is provided with two concave arc surfaces for the positioning steel balls to be arranged in, the fixed seat, the lock core and the braking piece are together arranged in a containing groove of the lock body, the braking piece is arranged in a containing chamber of the lock body, the fixed piece is assembled in the containing groove of the lock body and is positioned on the outer side surface of the fixed seat, the locking head is assembled on the buckling part of the lock body, the inner wall of the containing chamber of the locking head is provided with a buckling ring groove for the positioning steel balls to be arranged in, by means of the butt lock catch of the lock body and the lock catch head, articles can be conveniently locked at a fixed position, and the best anti-theft effect can be achieved.

Description

Folding lock

Technical Field

The invention relates to a folding lock, in particular to a folding lock which can be folded, has a reduced volume, is convenient to fold and can be rapidly unfolded for use, and can achieve the best anti-theft effect of a lock catch.

Background

The most common locks for securing articles in a position to prevent articles (such as bicycles) from being stolen include cable locks, U-shaped locks, and folding locks, and although the types of locks for locking articles are many, folding locks are most convenient, mainly because cable locks and U-shaped locks have large volume and heavy weight and occupy too much space when being stored, and folding locks can reduce the volume to the minimum through a folding mode, so that the stored volume does not occupy too much space.

Disclosure of Invention

The invention mainly aims to provide a folding lock, which can effectively solve the defects of the existing folding lock in use.

The invention provides a folding lock, which is characterized by comprising:

the lock comprises a lock body, wherein the bottom of the lock body is provided with a containing groove, the inner side of the containing groove is also provided with a containing chamber, the wall surface of the containing groove of the lock body is provided with a positioning convex strip, the outer surface of the wall of the lock body is provided with a slot communicated with the containing groove, the upper part of the lock body is provided with a buckling part, the containing chamber of the lock body extends to the inside of the buckling part, the outer wall surface of the buckling part is relatively provided with two steel ball holes communicated with the containing chamber of the lock body, the two positioning steel balls are respectively arranged in the two steel ball holes, and the wall surface of the containing chamber of the lock body is provided with a limiting groove;

the fixing seat is arranged in the accommodating groove of the lock body, a positioning strip groove is formed in the outer wall surface of the fixing seat and corresponds to the positioning convex strip of the lock body, an inserting groove is further formed in the outer wall surface of the fixing seat and aligned to the inserting groove of the lock body, a fixing hole communicated with the inserting groove is formed in the fixing seat, a first fixing column penetrates through the fixing hole of the fixing seat and is arranged in the inserting groove of the fixing seat, a positioning groove is formed in one side surface of the fixing seat, a limiting groove is formed in one side surface of the positioning groove, and a key inserting hole communicated with the positioning groove is formed in the other side surface of the fixing seat;

the lock core is arranged on the positioning groove of the fixed seat, a positioning convex body is arranged on the outer wall surface of the lock core, the positioning convex body is arranged in the limiting grooves of the lock body and the fixed seat, a key hole is arranged on one side surface of the lock core, and a rotating body is arranged on the other side surface of the lock core corresponding to the key hole;

the braking piece is assembled on the rotating body of the lock core, the bottom of the braking piece is provided with a positioning caulking groove, the positioning caulking groove is used for the rotating body of the lock core to be embedded, and the outer wall surface of the braking piece is relatively provided with a concave cambered surface for the two positioning steel balls to be embedded;

the fixing piece is fixedly arranged in the accommodating groove of the lockset body and positioned on the outer side surface of the fixing seat, a key jack is arranged on the fixing piece, and the key jack of the fixing piece is aligned to the key jack of the fixing seat;

the lock head is assembled on the buckling part of the lock body, a containing chamber is arranged in the lock head, a buckling ring groove is arranged on the inner wall of the containing chamber of the lock head, an inserting groove is arranged on the outer wall surface of the lock head, a fixing hole is arranged on the inner wall surface of the containing chamber of the lock head, the fixing hole is communicated with the inserting groove of the lock head, and a second fixing column is arranged in the fixing hole of the lock head and the inserting groove of the lock head in a penetrating manner;

a folding sheet group, which is formed by a first folding sheet, a second folding sheet, a plurality of middle folding sheets and a plurality of rivets, wherein one end of the first folding sheet and one end of the second folding sheet are respectively provided with a through hole, the two ends of the plurality of middle folding sheets positioned in the middle are also respectively provided with a through hole, the plurality of rivets are arranged in the through holes corresponding to the plurality of middle folding sheets and the first folding sheet and the second folding sheet and are riveted, one ends of the first folding sheet and the second folding sheet are respectively pivoted at the outer sides of the plurality of middle folding sheets, the other ends of the first folding sheet and the second folding sheet are respectively provided with an inserting and pulling part, the inserting and pulling part is provided with a fixed hole, the inserting and pulling part of the first folding sheet is assembled in the inserting and pulling groove of the lock body and the inserting and pulling groove of the fixed seat, the first fixed column is arranged in the fixed hole of the inserting and pulling part of the first folding sheet, the second folding sheet is provided with an inserting part which is assembled in an inserting groove of the locking head, and the second fixing column penetrates through a fixing hole of the inserting part of the second folding sheet.

The folding lock has the advantages that: the lock core and the structure thereof are hidden in the lock body, the internal structure of the lock core can not be known from the outside of the lock body, the structure of the lock core is not easy to be pried and damaged, the lock core is not easy to be unlocked without a correct key, and the lock core has excellent anti-theft efficacy.

Drawings

Fig. 1 is an exploded perspective view of an embodiment of the present invention.

Fig. 2 is a perspective assembly view of an embodiment of the present invention.

Fig. 3 is a combined cross-sectional view of an embodiment of the present invention.

Fig. 4 is a schematic sectional view of the lock of the embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of the locking according to the embodiment of the present invention.

Fig. 6 is a schematic perspective view of the locking according to the embodiment of the present invention.

Fig. 7 is a schematic view of the embodiment of the invention when collapsed.

Description of reference numerals: 1, a lock body; 10 a containing groove; 11 a chamber; 12 positioning convex strips; 13 slot; 14, a buckling part; 15 steel ball holes; 16 positioning the steel ball; 17, limiting grooves; 2, fixing a base; 20, positioning a strip groove; 21, inserting a pulling groove; 22 a fixing hole; 23 a first fixing column; 24, positioning a groove; 25, limiting grooves; 26 a key receptacle; 3, locking the core; 30 positioning the convex body; 31 a keyhole; 32 a swivel; 4 a braking part; 40 positioning caulking grooves; 41 a concave arc surface; 5, fixing a sheet; 50 key insertion holes; 6, locking the buckle head; a chamber 60; 61, fastening a ring groove; 62, inserting a pulling groove; 63 a fixing hole; 64 second fixed columns; 7 folding the sheet stack; 70 a first folded sheet; 71 a second folded sheet; 72 a middle folded sheet; 700. 710, 720 punching; 701. 711 inserting and pulling part; 702. 712 fixing holes; 73 rivets; 8 keys.

Detailed Description

In order to achieve the above-mentioned objects and advantages, the present invention provides a method for implementing the following embodiments, which are shown in the drawings and described in detail as follows:

an embodiment of the present invention, please refer to fig. 1 and fig. 3, which mainly includes: the lockset comprises a lockset body 1, wherein the bottom of the lockset body 1 is provided with a containing groove 10, the inner side of the containing groove 10 is also provided with a containing chamber 11, the wall surface of the containing groove 10 of the lockset body 1 is provided with a positioning convex strip 12, the outer wall surface of the lockset body 1 is provided with a slot 13 communicated with the containing groove 10, the upper part of the lockset body 1 is provided with a buckling part 14 with the diameter smaller than that of the lockset body 1, the containing chamber 11 extends to the inside of the buckling part 14, the outer wall surface of the buckling part 14 is relatively provided with two steel ball holes 15 communicated with the containing chamber 11, two positioning steel balls 16 are respectively arranged in the two steel ball holes 15, and the wall surface of the containing chamber 11 is provided with a limiting groove 17; a fixing seat 2 disposed in the accommodating groove 10 of the lock body 1, an outer wall surface of the fixing seat 2 being provided with a positioning strip groove 20, an outer wall surface of the fixing seat 2 being further provided with an insertion groove 21, the fixing seat 2 being provided with a fixing hole 22 communicating with the insertion groove 21, a first fixing column 23 penetrating the fixing hole 22 and being disposed in the insertion groove 21, a positioning groove 24 being disposed on one side surface of the fixing seat 2, a limiting groove 25 being disposed on one side surface of the positioning groove 24, and a key insertion hole 26 communicating with the positioning groove 24 being disposed on the other side surface of the fixing seat 2; a lock core 3, which is arranged on the positioning groove 24 of the fixed seat 2, the outer wall surface of the lock core 3 is provided with a positioning convex body 30, the positioning convex body 30 is arranged in the

limiting grooves

17, 25 of the lock body 1 and the fixed seat 2, one side surface of the lock core 3 is provided with a key hole 31, and the other side surface of the lock core 3 corresponding to the key hole 31 is provided with a rotating body 32; a braking member 4 assembled on the lock core 3, the bottom of the braking member 4 is provided with a positioning caulking groove 40, and the outer wall surface of the braking member 4 is relatively provided with a concave cambered surface 41 for the two positioning steel balls 16 to be arranged in; a fixing piece 5 fixedly arranged in the accommodating groove 10 of the lockset body 1 and positioned on the outer side surface of the fixing seat 2, wherein a key insertion hole 50 is arranged on the fixing piece 5; a locking head 6 assembled to the fastening portion 14 of the lock body 1, wherein a chamber 60 is provided in the locking head 6, a fastening ring groove 61 is provided near the bottom of the inner wall of the chamber 60, an insertion groove 62 is provided on the outer wall surface of the locking head 6, a fixing hole 63 is provided on the inner wall surface of the chamber 60 and communicated with the insertion groove 62, and a second fixing column 64 is inserted into the fixing hole 63 and the insertion groove 62; a folding sheet set 7, which is pivotally assembled by a first folding sheet 70, a second folding sheet 71, a plurality of middle folding sheets 72 and a plurality of rivets 73, wherein one end of the first folding sheet 70 and one end of the second folding sheet 71 are respectively provided with a

through hole

700, 710, two ends of the middle folding sheets 72 located in the middle are respectively provided with a through hole 720 for the rivet 73 to penetrate and rivet, the rivets 73 respectively pivotally assemble the first folding sheet 70 and the second folding sheet 71 on the outer sides of the middle folding sheets 72, the other ends of the first folding sheet 70 and the second folding sheet 71 are respectively provided with an

insertion part

701, 711, the

insertion part

701, 711 is provided with a

fixing hole

702, 712, the insertion part 701 of the first folding sheet 70 is assembled in the slot 13 of the lock body 1 and the insertion groove 21 of the fixing seat 2, the insertion part 711 of the second folding sheet 71 is assembled in the insertion groove 62 of the lock catch 6, thus, a folding lock structure is obtained.

In assembly, referring to fig. 1-4, the arresting member 4 is assembled on the lock core 3, the rotating body 32 of the lock core 3 is embedded in the positioning embedding groove 40 of the arresting member 4, the lock core 3 is assembled on the positioning groove 24 of the fixing base 2, a part of the positioning protrusion 30 of the lock core 3 is embedded in the limiting groove 25 of the fixing base 2, the key hole 31 of the lock core 3 is aligned with the key insertion hole 26 of the fixing base 2, the assembled lock core 3, arresting member 4 and fixing base 2 are placed in the containing groove 10 of the lock body 1, the arresting member 4 is placed in the containing chamber 11 of the lock body 1, the other part of the positioning protrusion 30 of the lock core 3 is embedded in the limiting groove 17 of the lock body 1 for positioning, the positioning protrusion 12 of the lock body 1 is placed in the limiting strip groove 20 of the fixing base 2, the inserting portion 701 of the first folding sheet 70 of the folding sheet group 7 is inserted in the insertion groove 13 of the lock body 1 and the insertion groove 21 of the fixing base 2, then, the first fixing column 23 is inserted into the fixing hole 22 of the fixing base 2 and the fixing hole 702 of the first folding sheet 70, the inserting part 701 of the first folding sheet 70 is fixed on the lock body 1, the fixing sheet 5 is forced into the containing groove 10 of the lock body 1, the above components are arranged in the lock body 1, the two positioning steel balls 16 are respectively arranged in the two steel ball holes 15 of the lock body 1, the outer side surfaces of the two steel ball holes 15 are slightly punched to slightly reduce the aperture of the outer wall thereof, so that the positioning steel balls 16 can be positioned in the steel ball holes 15 and cannot fall out, the inserting part 711 of the second folding sheet 71 is arranged in the inserting groove 62 of the locking head 6, so that the fixing hole 712 of the second folding sheet 71 is aligned with the fixing hole 63 of the locking head 6, the second fixing column 64 is inserted into the

fixing holes

63, 712 aligned with the locking head 6 and the second folding sheet 71, and the second folding sheet 71 is fixed on the locking head 6, thus, the whole assembly can be completed.

When in use, please refer to fig. 4-6, each

folding sheet

70, 71, 72 of the folding sheet set 7 of the present invention is unfolded and wound around an object to be locked and a fixed object, the fastening portion 14 of the lock body 1 at the outer end of the first folding sheet 70 is inserted into the chamber 60 of the locking head 6 at the outer end of the second folding sheet 71, the positioning steel balls 16 on the lock body 1 correspond to the fastening ring groove 61 of the locking head 6, the key 8 inserted into the

key insertion holes

50, 26 of the fixing sheet 5 and the fixing base 2 and the key hole 31 of the lock core 3 is rotated, the rotation of the key 8 drives the rotation body 32 of the lock core 3 to rotate, the rotation body 32 drives the braking member 4 to rotate, the positioning steel balls 16 located in the two concave arc surfaces 41 of the braking member 4 are pushed outwards along the side wall surface of the braking member 4, so that a portion of the two positioning steel balls 16 is pushed outwards out of the outer wall surface of the fastening portion 14 of the lock body 1 and is inserted into the fastening ring groove 61 of the locking head 6, the two positioning steel balls 16 are limited by the stopper 4 and can not retract into the lock body 1, so that the locking action of locking can be completed by embedding the positioning steel balls 16 into the locking ring groove 61 of the locking head 6; in addition, when the lock is to be unlocked, please refer to fig. 3 and 4, only the key 8 inserted into the

key insertion holes

50 and 26 of the fixing plate 5 and the key hole 31 of the lock core 3 needs to be rotated reversely, the rotation body 32 of the lock core 3 drives the braking member 4 to rotate to the original position, so that the two concave arc surfaces 41 of the braking member 4 are aligned to the position of the positioning steel ball 16 again, the outer wall surface of the braking member 4 no longer supports against the positioning steel ball 16, the positioning steel ball 16 can move towards the lock body 1, the positioning steel ball 16 is separated from the fastening ring groove 61 of the lock head 6 and retracts into the fastening part 14 of the lock body 1, the fastening part 14 of the lock body 1 can be moved out from the lock head 6, thus the unlocking action can be completed, the invention is very convenient to use, can be used for the locking and positioning of any object, and the lock core 3 and other locking members are hidden in the lock body 1, so that a thief cannot unlock and pick the lock easily, has excellent anti-theft effect.

When the folding lock is not in use, please refer to fig. 3 and 7, the user only needs to fold the

folding pieces

70, 71, 72 to overlap each other, so as to reduce the overall volume, facilitate storage and placement, and facilitate use.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A fold lock, comprising:

the lock head is assembled on the buckling part of the lock body, a containing chamber is arranged in the lock head, a buckling ring groove is arranged on the inner wall of the containing chamber of the lock head, an inserting groove is arranged on the outer wall surface of the lock head, a fixing hole is arranged on the inner wall surface of the containing chamber of the lock head, the fixing hole of the lock head is communicated with the inserting groove of the lock head, and a second fixing column is arranged in the fixing hole of the lock head and the inserting groove of the lock head in a penetrating manner;