CN202945896U - Anti-theft lock with guide locating structure - Google Patents
Anti-theft lock with guide locating structure Download PDFInfo
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- CN202945896U CN202945896U CN 201220646448 CN201220646448U CN202945896U CN 202945896 U CN202945896 U CN 202945896U CN 201220646448 CN201220646448 CN 201220646448 CN 201220646448 U CN201220646448 U CN 201220646448U CN 202945896 U CN202945896 U CN 202945896U
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- lock
- locking bar
- lock body
- hole
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Abstract
The utility model relates to an anti-theft lock with a guide locating structure. The anti-theft lock comprises a U-shaped lock beam, a lock body provided with a vertical hole and a vertical lock hole, a stopping element and an elastic element. The U-shaped lock beam comprises a long lock rod provided with a guide groove and a short lock rod. A horizontal hole which is divided into a horizontal through hole and a horizontal blind hole by the vertical hole is formed beside the vertical hole of the lock body. The elastic element and the stopping element are arranged in the horizontal blind hole. After the long lock rod is inserted into the vertical hole, the elastic element is pressed to a position between the bottom of the horizontal blind hole and the stopping element. The stopping element abuts against the long lock rod. When the U-shaped lock beam rotates to a lock-closing position, the stopping element abuts against the inner portion of the guide groove of the long lock rod, the short lock rod is located above the vertical lock hole, and the short lock rod is inserted into the vertical lock hole and is buckled with a locking element in the lock body and slides along with the stopping element in the guide groove. The anti-theft lock is simple in structure, easy to machine, beautiful, elegant and convenient to use.
Description
[
Technical field]
The utility model relates to lockset, particularly relates to being similar to padlock, is used for the theftproof lock of motorcycle or bicycle, relates in particular to a kind of theftproof lock with guiding-positioning structure.
[
Background technology]
Prior art is used for the theftproof lock of motorcycle or bicycle, comprises U-shaped lock bridge and lock body, and its structural principle is similar to traditional padlocks.The combination of U-shaped lock bridge and lock body comprises plug-in separated structure and semi-plug-in conjoined structure, and wherein the plug-in separated structure is locked for motorcycle anti-theft, and the semi-plug-in conjoined structure is used for traditional padlocks.The theftproof lock of plug-in separated structure is after unblanking, and U-shaped lock bridge and lock body are separated into two parts, and lock is after Che Shixu catches on the U-shaped lock bridge wheel or vehicle frame of being locked, then the U-shaped lock bridge is inserted abreast in the keyhole at lock body two ends and fasten; Its weak point is: the operator locks car at every turn and wants both hands and use, take on the other hand lock body, another hand is taken U-shaped lock fine strain of millet, simultaneously eye is stared at two locking bar terminations of U-shaped lock bridge, with its aligning and insert abreast in keyhole on lock body, make the U-shaped lock bridge by the locking element fastening of lock body inside, above-mentioned action must be accurately coherent, just can complete the lock car.And the theftproof lock of semi-plug-in conjoined structure is after unblanking, U-shaped lock bridge and lock body are freely movable connection status, be that the U-shaped lock bridge can freely rotate neatly relative to lock body, if at night during light difference, eye is stared at the locking bar termination of U-shaped lock bridge, with its aligning and insert abreast in keyhole on lock body, these key points for operation just can only be groped to carry out in the dark, especially feel inconvenience for the poor user of manipulative ability.
[
The utility model content]
the technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and a kind of theftproof lock with guiding-positioning structure is provided, this theftproof lock can automatically be aimed at the short locking bar of U-shaped lock bridge the vertical keyhole of lock body termination when closing lock, even closing eyes also can successfully snap together U-shaped lock bridge and lock body, the U-shaped lock bridge flexibly can also be remained on the angle position that relative lock body is set after unblanking, limit simultaneously U-shaped lock bridge and lock body and be separated into two parts, have simple in structure, handling ease, the advantage such as elegant in appearance and easy to use.
The technical scheme that the utility model solve the technical problem employing is:
a kind of theftproof lock with guiding-positioning structure is provided, comprises U-shaped lock bridge and lock body, and the locking element that is arranged on the lock core in described lock body and controlled by this lock core, described lock body is provided with vertical hole and vertical keyhole, described theftproof lock also comprises barrier element and the flexible member that prevents that described U-shaped lock bridge from freely rotating with respect to described lock body, described U-shaped lock bridge comprises long locking bar and the short locking bar of both sides, the vertical hole of described long locking bar lower end and described lock body is and is slidably matched, the external surface of described long locking bar is provided with a gathering sill parallel with this long locking bar central axis, and the length of this gathering sill is equal to or greater than the stroke that described long locking bar moves back and forth relatively in the vertical hole of described lock body, the side in the vertical hole of described lock body is provided with the transverse holes that runs through this vertical hole hole wall, and this transverse holes is divided into one section by described vertical hole and is horizontal blind hole for cross through hole and one section, described flexible member and barrier element are positioned at described horizontal blind hole successively after described cross through hole passes through, after in the vertical hole of described lock body one end of long locking bar insertion of described U-shaped lock bridge, described flexible member is compressed between the bottom and described barrier element of described horizontal blind hole, under the elastic force effect of described flexible member, described barrier element withstands on the long locking bar external surface that is inserted in described vertical hole, when the relatively described lock body of described U-shaped lock bridge turns to when closing lock position, described barrier element automatically enters and withstands in the gathering sill of described long locking bar external surface under the elastic force of described flexible member promotes, flexibly the short locking bar of described U-shaped lock bridge is positioned at directly over the vertical keyhole of the described lock body other end, along with described barrier element slides in the gathering sill of described long locking bar external surface, the short locking bar of described U-shaped lock bridge is properly inserted in the vertical keyhole of described lock body, and be interlocked with the locking element of described lock body inside.
Described theftproof lock also comprises the structure of blocking that the long locking bar that prevents described U-shaped lock bridge after unblanking extracts out from the vertical hole of described lock body.
The described structure of blocking comprises back-up ring; The vertical hole of described lock body is through hole; The lower end of inserting the long locking bar of the U-shaped lock bridge in the vertical hole of described lock body has one section to extend in outside described lock body, its length is unblanked greater than described U-shaped lock bridge and is closed the flexible stroke of lock, and the lower end of the long locking bar of described U-shaped lock bridge is provided with the circlip groove adaptive with described back-up ring; Described back-up ring is stuck in the circlip groove of described long locking bar lower end, and the external diameter of described back-up ring is greater than the internal diameter in described vertical hole; The structure of this back-up ring and circlip groove has just consisted of the structure of blocking that the long locking bar that prevents described U-shaped lock bridge after unblanking extracts out from the vertical hole of described lock body.Relatively described barrier element place, the lower end of the long locking bar of described U-shaped lock bridge is provided with radially pit of at least one place; After unblanking, when described U-shaped lock bridge when described lock body rotates, described barrier element automatically enters and withstands on described radially pit under the elastic force of described flexible member promotes, described lock body and U-shaped lock bridge are flexibly remained on the open mode that can gang up with locked object.Described radially pit on the section circumference of described long locking bar and the corner between the gathering sill of described long locking bar be equal to or less than 180 the degree.
Above-mentioned barrier element comprises steel ball, pommel cylindrical body or bores newel post's body.
Or described barrier element is made the cylindrical body of bulb, cup head or tip, is provided with a plane in this barrier element lower head; The lower end of the long locking bar of described U-shaped lock bridge is provided with the cannelure adaptive with described barrier element head, and the top of this cannelure and the lower end of described gathering sill are run through; Described lock body is provided with the pin hole that prevents that described barrier element from rotating relative to the below on the plane of described barrier element head, this pin hole and described horizontal blind hole connect; Pin is fixed in the pin hole of described lock body, its cylindrical surface holder on the plane of described barrier element head, thereby prevent that described barrier element from rotating; Encounter the base of cannelure of described long locking bar lower end when the plane of described barrier element lower head after, stop that described long locking bar moves up, thereby described U-shaped lock bridge and described lock body after unblanking are still linked together, prevented that the long locking bar of described U-shaped lock bridge from extracting out from the vertical hole of described lock body.
Above-mentioned flexible member is spring.
Compare with prior art, the beneficial effect that the utlity model has the theftproof lock of guiding-positioning structure is:
one, special arrange to turn to relative to described lock body when described U-shaped lock bridge prevent barrier element and the flexible member that described U-shaped lock bridge freely rotates with respect to described lock body when closing lock position, turn to when closing lock position when the relatively described lock body of described U-shaped lock bridge like this, described barrier element automatically enters and withstands in the gathering sill of described long locking bar external surface under the elastic force of described flexible member promotes, flexibly the short locking bar of described U-shaped lock bridge is positioned at directly over the vertical keyhole of the described lock body other end, along with described barrier element slides in the gathering sill of described long locking bar external surface, the short locking bar of described U-shaped lock bridge is properly inserted in the vertical keyhole of described lock body, and be interlocked with the locking element of described lock body inside, this designs simplification operative skill, formed the theftproof lock of " point-and-shoot ",
Two, also be provided with especially the structure of blocking that the long locking bar that prevents described U-shaped lock bridge after unblanking extracts out from the vertical hole of described lock body, after unblanking like this, described U-shaped lock bridge and described lock body still link together, and be very easy to use;
Three, the relatively described barrier element in the lower end of the long locking bar of described U-shaped lock bridge place is provided with radially pit of at least one place; After unblanking like this, when described U-shaped lock bridge when described lock body rotates, described barrier element automatically enters and withstands on described radially pit under the elastic force of described flexible member promotes, described lock body and U-shaped lock bridge are flexibly remained on the open mode that can gang up with locked object, at this moment, lock body can temporarily become the handle that the operator grips,, more convenient to use.
By adopting said structure, the utility model theftproof lock can automatically be aimed at the short locking bar of U-shaped lock bridge the vertical keyhole of lock body termination when closing lock, even closing eyes also can successfully snap together U-shaped lock bridge and lock body, the U-shaped lock bridge flexibly can also be remained on the angle position that relative lock body is set after unblanking, limit simultaneously U-shaped lock bridge and lock body and be separated into two parts, had simple in structure, handling ease, the advantage such as elegant in appearance and easy to use.
[
Description of drawings]
Fig. 1 is the main cross-sectional schematic of looking of orthography that the utlity model has the theftproof lock preferred embodiment one of guiding-positioning structure;
Fig. 2 is the cross-sectional schematic of A-A in Fig. 1;
Fig. 3 is the main cross-sectional schematic of looking of the orthography of described theftproof lock preferred embodiment two;
Fig. 4 is the cross-sectional schematic of B-B in Fig. 3;
Fig. 5 is the described theftproof lock preferred embodiment two open mode schematic diagram that rear U-shaped lock bridge turns an angle of unblanking, and this moment, described lock body and U-shaped lock bridge flexibly remained on the open mode that can gang up with locked object;
Fig. 6 is the main cross-sectional schematic of looking of the orthography of described theftproof lock preferred embodiment three;
Fig. 7 is the cross-sectional schematic of C-C in Fig. 6;
Fig. 8 is the described theftproof lock preferred embodiment three open mode schematic diagram that rear U-shaped lock bridge turns an angle of unblanking, and this moment, described lock body and U-shaped lock bridge flexibly remained on the open mode that can gang up with locked object;
Fig. 9 is the main cross-sectional schematic of looking of the orthography of described theftproof lock preferred embodiment four;
Figure 10 is the main cross-sectional schematic of looking of the orthography of described theftproof lock preferred embodiment five.
[specific embodiment]
Below in conjunction with each accompanying drawing, the utility model is described in further detail.
referring to Fig. 1 to Figure 10, a kind of theftproof lock with guiding-positioning structure comprises U-shaped lock bridge 1 and lock body 2, and the locking element 5 that is arranged on the lock core 9 in described lock body 2 and controlled by this lock core 9, described lock body 2 is provided with vertical hole 21 and vertical keyhole 23, described theftproof lock also comprises barrier element 3 and the flexible member 4 that prevents that described U-shaped lock bridge 1 from freely rotating with respect to described lock body 2, described U-shaped lock bridge 1 comprises long locking bar 12 and the short locking bar 11 of both sides, this U-shaped lock bridge 1 also comprises the bend that long locking bar 12 and short locking bar 11 are linked together, the vertical hole 21 of described long locking bar 12 lower ends and described lock body 2 is and is slidably matched, the external surface of described long locking bar 12 is provided with a gathering sill 121 parallel with these long locking bar 12 central axis, and the length of this gathering sill 121 is equal to or greater than the stroke that described long locking bar 12 moves back and forth relatively in the vertical hole 21 of described lock body 2, the side in the vertical hole 21 of described lock body 2 is provided with the transverse holes 22 that runs through these vertical hole 21 hole walls, and this transverse holes 22 is divided into one section by described vertical hole 21 and is horizontal blind hole 22A for cross through hole 22B and one section, described flexible member 4 and barrier element 3 are positioned at described horizontal blind hole 22A successively after described cross through hole 22B passes through, after the vertical hole 21 of long locking bar 12 described lock body 2 one ends of insertion of described U-shaped lock bridge 1 was interior, described flexible member 4 was compressed between the bottom and described barrier element 3 of described horizontal blind hole 22A, under the elastic force effect of described flexible member 4, described barrier element 3 withstands on long locking bar 12 external surfaces that are inserted in described vertical hole 21, when the relatively described lock body 2 of described U-shaped lock bridge 1 turns to when closing lock position, described barrier element 3 automatically enters and withstands in the gathering sill 121 of described long locking bar 12 external surfaces under the elastic force of described flexible member 4 promotes, flexibly the short locking bar 11 of described U-shaped lock bridge 1 is positioned at directly over the vertical keyhole 23 of described lock body 2 other ends, along with described barrier element 3 slides in the gathering sill 121 of described long locking bar 12 external surfaces, the short locking bar 11 of described U-shaped lock bridge 1 is properly inserted in the vertical keyhole 23 of described lock body 2, and be interlocked with the locking element 5 of described lock body 2 inside.
Referring to Fig. 1 to Figure 10, described theftproof lock also comprises the structure of blocking that the long locking bar 12 that prevents described U-shaped lock bridge 1 after unblanking extracts out from the vertical hole 21 of described lock body 2.
Referring to Fig. 1, Fig. 3, Fig. 5, Fig. 6 and Fig. 7 to Figure 10, label 8 is keys, label 111 is the locking breach on the short locking bar 11 of the described U-shaped lock bridge 1 that is interlocked of the locking element 5 with described lock body 2 inside, and label 125 is the locking breach on the long locking bar 12 of the described U-shaped lock bridge 1 that is interlocked of another locking element 5 with described lock body 2 inside.
Embodiment one:
referring to Fig. 1 and Fig. 2, a kind of theftproof lock with guiding-positioning structure comprises U-shaped lock bridge 1 and lock body 2, and the locking element 5 that is arranged on the lock core 9 in described lock body 2 and controlled by this lock core 9, described lock body 2 is provided with vertical hole 21 and vertical keyhole 23, described theftproof lock also comprises barrier element 3 and the flexible member 4 that prevents that described U-shaped lock bridge 1 from freely rotating with respect to described lock body 2, described U-shaped lock bridge 1 comprises long locking bar 12 and the short locking bar 11 of both sides, this U-shaped lock bridge 1 also comprises the bend that long locking bar 12 and short locking bar 11 are linked together, the vertical hole 21 of described long locking bar 12 lower ends and described lock body 2 is and is slidably matched, the external surface of described long locking bar 12 is provided with a gathering sill 121 parallel with these long locking bar 12 central axis, and the length of this gathering sill 121 is equal to or greater than the stroke that described long locking bar 12 moves back and forth relatively in the vertical hole 21 of described lock body 2, the side in the vertical hole 21 of described lock body 2 is provided with the transverse holes 22 that runs through these vertical hole 21 hole walls, and this transverse holes 22 is divided into one section by described vertical hole 21 and is horizontal blind hole 22A for cross through hole 22B and one section, described flexible member 4 and barrier element 3 are positioned at described horizontal blind hole 22A successively after described cross through hole 22B passes through, after the vertical hole 21 of long locking bar 12 described lock body 2 one ends of insertion of described U-shaped lock bridge 1 was interior, described flexible member 4 was compressed between the bottom and described barrier element 3 of described horizontal blind hole 22A, under the elastic force effect of described flexible member 4, described barrier element 3 withstands on long locking bar 12 external surfaces that are inserted in described vertical hole 21, when the relatively described lock body 2 of described U-shaped lock bridge 1 turns to when closing lock position, described barrier element 3 automatically enters and withstands in the gathering sill 121 of described long locking bar 12 external surfaces under the elastic force of described flexible member 4 promotes, flexibly the short locking bar 11 of described U-shaped lock bridge 1 is positioned at directly over the vertical keyhole 23 of described lock body 2 other ends, along with described barrier element 3 slides in the gathering sill 121 of described long locking bar 12 external surfaces, the short locking bar 11 of described U-shaped lock bridge 1 is properly inserted in the vertical keyhole 23 of described lock body 2, and be interlocked with the locking element 5 of described lock body 2 inside.
The described theftproof lock of the present embodiment one also comprises the structure of blocking that the long locking bar 12 that prevents described U-shaped lock bridge 1 after unblanking extracts out from the vertical hole 21 of described lock body 2.The described structure of blocking comprises back-up ring 7; The vertical hole 21 of described lock body 2 is through hole; The lower end of inserting the long locking bar 12 of the U-shaped lock bridge 1 in the vertical hole 21 of described lock body 2 has one section to extend in outside described lock body 2, its length is unblanked greater than described U-shaped lock bridge 1 and is closed the flexible stroke of lock, and the lower end of the long locking bar 12 of described U-shaped lock bridge 1 is provided with the circlip groove 122 adaptive with described back-up ring 7; Described back-up ring 7 is stuck in the circlip groove 122 of described long locking bar 12 lower ends, and the external diameter of described back-up ring 7 is greater than the internal diameter in described vertical hole 21.The structure of this back-up ring 7 and circlip groove 122 has just consisted of the structure of blocking that the long locking bar 12 that prevents described U-shaped lock bridge 1 after unblanking extracts out from the vertical hole 21 of described lock body 2.
The described barrier element 3 of the present embodiment one comprises steel ball, pommel cylindrical body or bores newel post's body.
Embodiment two:
Referring to Fig. 3 to Fig. 5, the present embodiment and embodiment one are basic identical, and difference is:
1. increased and described lock body 2 and U-shaped lock bridge 1 have flexibly been remained on the structure that can gang up with locked object after unblanking, namely be provided with radially pit 123 of at least one place at relatively described barrier element 3 places, lower end of the long locking bar 12 of described U-shaped lock bridge 1; After unblanking, when described U-shaped lock bridge 1 when described lock body 2 rotates, described barrier element 3 automatically enters and withstands on described radially pit 123 under the elastic force of described flexible member 4 promotes, described lock body 2 and U-shaped lock bridge 1 are flexibly remained on the open mode that can gang up with locked object.
The locking element 5 that controlled by this lock core 9 has two, and the locking breach 111 on the short locking bar 11 of a locking element 5 and described U-shaped lock bridge 1 is interlocked, and the locking breach 125 on the long locking bar 12 of another locking element 5 and described U-shaped lock bridge 1 is interlocked.
The described radially pit 123 of the present embodiment two on the section circumference of described long locking bar 12 and the corner between the gathering sill 121 of described long locking bar 12 be equal to or less than 180 the degree.
The described barrier element 3 of the present embodiment two comprises steel ball, pommel cylindrical body or bores newel post's body.
Embodiment three:
Referring to Fig. 6 to Fig. 8, the present embodiment and embodiment one are basic identical, and difference is:
1. the long locking bar 12 that prevents described U-shaped lock bridge 1 after unblanking is extracted out from the vertical hole 21 of described lock body 2, and to block structure different, and namely described barrier element 3 is made the cylindrical body of bulb, cup head or tip, is provided with a plane 31 in these barrier element 3 lower head; The lower end of the long locking bar 12 of described U-shaped lock bridge 1 is provided with the cannelure 127 adaptive with described barrier element 3 heads, and the lower end of the top of this cannelure 127 and described gathering sill 121 is run through; Described lock body 2 is provided with the pin hole 24 that prevents that described barrier element 3 from rotating relative to the below on the plane 31 of described barrier element 3 heads, this pin hole 24 connects with described horizontal blind hole 22A; Pin 6 is fixed in the pin hole 24 of described lock body 2, its cylindrical surface holder on the plane 31 of described barrier element 3 heads, thereby prevent that described barrier element 3 from rotating; Encounter the base of cannelure 127 of described long locking bar 12 lower ends when the plane 31 of described barrier element 3 lower head after, stop that described long locking bar 12 moves up, thereby the described U-shaped lock bridge 1 after unblanking is still linked together with described lock body 2, prevented that the long locking bar 12 of described U-shaped lock bridge 1 from extracting out from the vertical hole 21 of described lock body 2.
The locking element 5 that controlled by this lock core 9 also has two, and the locking breach 111 on the short locking bar 11 of a locking element 5 and described U-shaped lock bridge 1 is interlocked, and the locking breach 125 on the long locking bar 12 of another locking element 5 and described U-shaped lock bridge 1 is interlocked.
Specify, referring to Fig. 8, the structure of blocking of the present embodiment three also has the another one effect, can be used as after unblanking described lock body 2 and U-shaped lock bridge 1 are flexibly remained on the open mode that can gang up with locked object.
Embodiment four:
Referring to Fig. 9, the present embodiment and embodiment three are basic identical, and difference is, the structure of described lock body 2 is different, and the theftproof lock of the present embodiment four is applied on traditional padlocks.
Embodiment five:
Referring to Figure 10, the present embodiment and embodiment one are basic identical, and difference is, the structure of described lock body 2 is different, and the lock body 2 of the present embodiment is tubular lock body.
The described barrier element 3 of the present embodiment five also comprises steel ball, pommel cylindrical body or bores newel post's body.
The described flexible member 4 of each embodiment of the utility model is springs.
The above embodiment has only expressed preferred embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims; Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model; Therefore, all equivalents and modifications of doing with the utility model claim scope all should belong to the covering scope of the utility model claim.
Claims (8)
1. the theftproof lock with guiding-positioning structure, comprise U-shaped lock bridge (1) and lock body (2), and the locking element (5) that is arranged on the lock core (9) in described lock body (2) and controlled by this lock core (9); Described lock body (2) is provided with vertical hole (21) and vertical keyhole (23); It is characterized in that:
also comprise the barrier element (3) and the flexible member (4) that prevent that described U-shaped lock bridge (1) from freely rotating with respect to described lock body (2), described U-shaped lock bridge (1) comprises long locking bar (12) and the short locking bar (11) of both sides, the vertical hole (21) of described long locking bar (12) lower end and described lock body (2) is and is slidably matched, the external surface of described long locking bar (12) is provided with a gathering sill (121) parallel with this long locking bar (12) central axis, and the length of this gathering sill (121) is equal to or greater than the stroke that described long locking bar (12) moves back and forth relatively in the vertical hole (21) of described lock body (2), the side in the vertical hole (21) of described lock body (2) is provided with the transverse holes (22) that runs through this vertical hole (21) hole wall, and it is horizontal blind hole (22A) for cross through hole (22B) and one section that this transverse holes (22) is divided into one section by described vertical hole (21), described flexible member (4) and barrier element (3) are positioned at described horizontal blind hole (22A) successively after described cross through hole (22B) passes through, after the long locking bar (12) of described U-shaped lock bridge (1) inserted in the vertical hole (21) of described lock body (2) one ends, described flexible member (4) was compressed between the bottom and described barrier element (3) of described horizontal blind hole (22A), under the elastic force effect of described flexible member (4), described barrier element (3) withstands on long locking bar (12) external surface that is inserted in described vertical hole (21), when the relatively described lock body of described U-shaped lock bridge (1) (2) turns to when closing lock position, described barrier element (3) automatically enters and withstands in the gathering sill (121) of described long locking bar (12) external surface under the elastic force of described flexible member (4) promotes, flexibly the short locking bar (11) of described U-shaped lock bridge (1) is positioned at directly over the vertical keyhole (23) of described lock body (2) other end, along with described barrier element (3) slides in the gathering sill (121) of described long locking bar (12) external surface, the short locking bar (11) of described U-shaped lock bridge (1) is properly inserted in the vertical keyhole (23) of described lock body (2), and be interlocked with the inner locking element (5) of described lock body (2).
2. the theftproof lock with guiding-positioning structure according to claim 1 is characterized in that:
Also comprise the structure of blocking that the long locking bar (12) that prevents described U-shaped lock bridge (1) after unblanking extracts out from the vertical hole (21) of described lock body (2).
3. the theftproof lock with guiding-positioning structure according to claim 2 is characterized in that:
The described structure of blocking comprises back-up ring (7); The vertical hole (21) of described lock body (2) is through hole; The lower end of inserting the long locking bar (12) of the U-shaped lock bridge (1) in the vertical hole (21) of described lock body (2) has one section to extend in outside described lock body (2), its length is unblanked greater than described U-shaped lock bridge (1) and is closed the flexible stroke of lock, and the lower end of the long locking bar (12) of described U-shaped lock bridge (1) is provided with the circlip groove (122) adaptive with described back-up ring (7); Described back-up ring (7) is stuck in the circlip groove (122) of described long locking bar (12) lower end, and the external diameter of described back-up ring (7) is greater than the internal diameter in described vertical hole (21).
4. the theftproof lock with guiding-positioning structure according to claim 3 is characterized in that:
The relatively described barrier element in lower end (3) of the long locking bar (12) of described U-shaped lock bridge (1) locates to be provided with radially pit (123) of at least one place; After unblanking, when described U-shaped lock bridge (1) relative to described lock body (2) when rotating, described barrier element (3) automatically enters and withstands on described radially pit (123) under the elastic force of described flexible member (4) promotes, described lock body (2) and U-shaped lock bridge (1) are flexibly remained on the open mode that can gang up with locked object.
5. the theftproof lock with guiding-positioning structure according to claim 4 is characterized in that:
Described radially pit (123) on the section circumference of described long locking bar (12) and the corner between the gathering sill (121) of described long locking bar (12) be equal to or less than 180 the degree.
6. the theftproof lock with guiding-positioning structure according to claim 2 is characterized in that:
Described barrier element (3) is made the cylindrical body of bulb, cup head or tip, is provided with a plane (31) in this barrier element (3) lower head; The lower end of the long locking bar (12) of described U-shaped lock bridge (1) is provided with the cannelure (127) adaptive with described barrier element (3) head, and the lower end of the top of this cannelure (127) and described gathering sill (121) is run through; Described lock body (2) is provided with the pin hole (24) that prevents that described barrier element (3) from rotating relative to the below on the plane (31) of described barrier element (3) head, this pin hole (24) connects with described horizontal blind hole (22A); Pin (6) is fixed in the pin hole (24) of described lock body (2), its cylindrical surface holder on the plane (31) of described barrier element (3) head, thereby prevent that described barrier element (3) from rotating; Encounter the base of cannelure (127) of described long locking bar (12) lower end when the plane (31) of described barrier element (3) lower head after, stop that described long locking bar (12) moves up, thereby the described U-shaped lock bridge (1) after unblanking is still linked together with described lock body (2), prevented that the long locking bar (12) of described U-shaped lock bridge (1) from extracting out from the vertical hole (21) of described lock body (2).
7. the described theftproof lock with guiding-positioning structure of any one of according to claim 1 to 5 is characterized in that:
Described barrier element (3) comprises steel ball, pommel cylindrical body or bores newel post's body.
8. the described theftproof lock with guiding-positioning structure of any one of according to claim 1 to 6 is characterized in that:
Described flexible member (4) is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220646448 CN202945896U (en) | 2012-11-30 | 2012-11-30 | Anti-theft lock with guide locating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220646448 CN202945896U (en) | 2012-11-30 | 2012-11-30 | Anti-theft lock with guide locating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202945896U true CN202945896U (en) | 2013-05-22 |
Family
ID=48421603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220646448 Expired - Fee Related CN202945896U (en) | 2012-11-30 | 2012-11-30 | Anti-theft lock with guide locating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202945896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285238A (en) * | 2016-10-12 | 2017-01-04 | 广州市亿汇五金电子有限公司 | Electronic anti-theft pipe is locked |
-
2012
- 2012-11-30 CN CN 201220646448 patent/CN202945896U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285238A (en) * | 2016-10-12 | 2017-01-04 | 广州市亿汇五金电子有限公司 | Electronic anti-theft pipe is locked |
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