CN2192700Y - U-shaped padlock - Google Patents

Abstract

The utility model relates to a U-shaped padlock, composed of a U-shaped annulus and a lock core apparatus which is arranged in the jacket tube of the lock body. Block holes are arranged at both ends of the annulus, and can be inserted into the spliced eye of the jacket tube, a buoyancy lift block supported on the spring is arranged below the spliced eye, and the section of a lock core bar is elliptical; when the section pf the lock core bar is laid horizontally, the block holes of both ends of the U-shaped annulus is locked by the lock core bars and the padlock is locked; when the lock core bar is rotated by a key by 90 DEG, the section of the lock core bar is upright positioned, both ends of the U-shaped annulus can be successfully drawn and the padlock is unlocked. Under the action of the torsion spring penetrated by the lock core bar and the buoyancy lift block, the padlock can be conveniently opened and closed. The utility model has the advantages of no fear of vibration and percussion, and safety.

Description

U-shaped padlock

The utility model relates to a kind of U type padlock.

The existing lock that is used on motorcycle or the bicycle mostly is the lock cylinder device that a U type ring body and that is provided with the inlay card mouth is located in the lock body greatly and constitutes, have substantially following several;

1, as shown in Figure 1, this lockset be U type ring body 1 ' an end be provided with crotch 11 ', the other end then be designed to have buckle breach 12 ', and lock body 2 ' an end be provided with above-mentioned crotch 11 ' corresponding slotted eye 21 ', but other end inside be provided with tapered end 3 ' and lateral displacement position core slide block 22 ', make ring body 1 ' buckle breach 12 ' insertions after, rotate tapered end 3 ', make core slide block 22 ' lateral displacement, snap in buckle breach 12 ' to reach the locking effect.No matter this lockset is unblanked or is shut, and all need have than wide space, so that U type ring body and lock body are pulled and be twisted into certain angle and just can insert or break away from, wearing and tearing or distortion easily reduces lockset application life, and U type ring body and lock body two-end structure, not symmetrical, can not exchange use.

2, as Fig. 2, shown in 3, the U type ring body 10 of lockset " two ends all establish circle in one and the narrow short slot 11 of opening ", the control of the flat dead bolt 30 " this dead bolt is inserted key 40 " that tubulose lock body 20 " in have with inside pipe casing two ends holder 21 " combines and rotating, when dead bolt 30 " the flat cross section change into vertically to the time; U type ring body 10 " can enter lockhole 50 " smoothly; and the slot of dead bolt 30 " promptly by ring body lower end short slot 11 " enters; when dead bolt 30 " with key 40 " is rotated 90 °; when becoming level; be locking, when its shortcoming of this lockset is to use, must hold tubulose lock body 20 with one earlier ", take key to insert core with the another hand again; 90 ° of rotating lock tongues also maintain static; again U type ring body to be inserted lockhole and keeps it to plug together state, screw key just makes U type ring body and the locking of tubulose lock body again, and formality quite bothers; when unblanking; operation sequence is carried out on the contrary, and this lockset makes U type ring body and car body collide mutually and damage easily, uses inconvenience.

3, referring to Fig. 4,5,6, this lockset by U-shape lock bar 10 " ', tubulose lock body 20 " ', two holders 30 " ', dead bolt 40 " ' push pedal 50 " ', core 60 " ' constitute, utilize core 60 " ' drive pushing away rib 51 in the push pedal " ' rotation and the forward and backward displacement of control dead bolt, unblank the purpose of locking and reach.This lockset and above-mentioned two kinds of comparisons, though operate more convenient, but complex structure, the cost of production height, weight strengthens, especially shown in Fig. 5,6, if at lockset one end, knock energetically a little or rap continuously, then can make spring 44 " ' contraction causes dead bolt 40 " ' position skew by the impulse force that adds, break away from U-shape lock bar 10 " ' neck 12 " ' cause accident to unblank, forfeiture lockset function.

As from the foregoing, existing U-shape lock tool, in its open and close lock process, all must after finishing the open and close latching operation, could take out on the other hand key is inserted lockhole, but because of lockset is locked on the wheel usually, liftoff very near, must pull again in the operation and turn round or be the angle of inclination, therefore the sewage silt on ground is infected with in the collision of the whole string of normal order key, brings worry to people.

The purpose of this utility model is will provide a kind of once the U-shape lock bar directly to be plugged on the lock body, and automatic blocking is easy to use, and safe and reliable, promptly also can not influence the U of lockset function type padlock to knock energetically.

The purpose of this utility model is achieved in that this U type padlock is made of U type ring body and the lock cylinder device of being located in the lock sleeve, the ring body two ends have hole clipping, can insert in the spliced eye of sleeve pipe, spliced eye has the buoyance lift piece that withstands on the spring, the lock core rod cross section is oval, when the horizontal positioned of lock core rod cross section, U type ring body two ends hole clipping is blocked by lock core rod, the padlock locking, when with key during with the lock core rod half-twist, then the lock core rod cross section stands up, and U type ring body two ends can be extracted out smoothly, and padlock is opened.Under the effect of torque spring that lock core rod passes and buoyance lift piece, the switch padlock is very convenient.

The utility model advantage:

1, after key is opened padlock with turn-knob, can break away from lock body preserves, needn't key be remained on always the enable possition up to U type ring body with just can extract after lock body separates, this is because spliced eye has the buoyance lift piece that withstands on the spring, and the buoyance lift piece is with lock core rod jack-up, the cause of plumbness is still kept in the cross section, so open conveniently.

2, because of the utility model is a purpose of utilizing lock core rod to rotate to reach gauge tap, so under locking states, unless with key operated or whole lockset destroyed fully, otherwise lock can't be opened, so safe and reliable.

3, after lockset is opened, the lock core rod cross section is in the groove of buoyance lift piece, still keep plumbness, when making next locking, U type ring body two ends still are easy to insert in the spliced eye, and when pressure was inserted into the lockhole bottom, lock core rod was under the effect of torque spring, automatically turn round into locking states, so locking is easy.

Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof:

Fig. 1 is existing U type padlock () exploded perspective view

Fig. 2 is existing U type padlock (a two) exploded perspective view

Fig. 3 is existing U type padlock (a two) operation chart

Fig. 4 is existing U type padlock (a three) exploded perspective view

Fig. 5 is existing U type padlock (a three) lock body sectional drawing

Fragmentary cross-sectional view when Fig. 6 is existing U type padlock (three) ring body insertion lock body

Fig. 7 is the utility model exploded perspective view

Side cut away view when Fig. 8 is the utility model lock knot

Catch position sectional drawing when Fig. 9 is the utility model lock knot

Volute torque spring position sectional drawing when Figure 10 is the utility model lock knot

Sheath position sectional drawing before when Figure 11 is the utility model lock knot

Figure 12 be the utility model when unblanking before sheath position sectional drawing

Describe in detail below in conjunction with accompanying drawing

With reference to Fig. 7-10, this U type padlock by U type ring body 1, be mounted on the lock cylinder device formed by tapered end 3, catch 4, volute torque spring 5, lock core rod 6 in the lock sleeve 2, preceding sheath 7, afterwards sheath 8, two groups of buoyance lift pieces 9 are constituted.

1., 1 liang of foot of U type ring body respectively is provided with a core hole clipping 11 that radially runs through, these hole clipping 11 cross sections are " Ω " shape, have bayonet socket 12;

2., lock sleeve 2 is a hollow tube, the spacing of interface 21 and back interface 22, two interfaces equated with U type ring body foot spacing before two ends were respectively equipped with one on body;

3., tapered end 3 is fixed in the front end of sleeve pipe 2 by short pin, catch 4 is embedded in lock mandrel 31 with its elongated slot 41, the catch periphery is provided with rotation limit groove 42, this rotation limit groove 42 is subjected to protrusion tab 32 restrictions of tapered end 3 leading edges, the another side central authorities of catch are provided with axial class hole, the small sircle hole at center, class hole is the dead eye 43 of lock core rod 6, outer field macropore one-tenth "

" tee section, as the qualification slotted eye 44 of lock core rod 6 eccentric swings;

4., the center of volute torque spring 5 is the oval collar 51, this collar 51 and lock core rod 6 be fit mutually, the end bending card release stator 52 of spring 5;

5., lock core rod 6 is an oval flat bar, its front and back ends is the less round pin axle of diameter 61,62, axle closes in the dead eye 83 of the dead eye 43 of catch 4 and back sheath and wears torque spring 5 and preceding sheath 7 respectively;

6., preceding sheath 7 is fixed in interface 21 places before the sleeve pipe with short pin, the jack of radially offering on interface 21 and the preceding sheath 7 before making 71 is corresponding, the front end of preceding sheath 7 is provided with volute spring embedding seat 72, embedding seat periphery is provided with a location breach 73, the fastening sheet 52 of spring 5 is that embedding schedules breach 73 places, and preceding sheath 7 is axially arranged with the perforation 74 of passing for lock core rod 6;

7., back sheath 8 is fixed in interface 22 places behind the sleeve pipe with short pin, interface 22 is corresponding with jack 81, back sheath 8 is axially arranged with deep hole 82, it is poroid that deep hole 82 ends are class, the class hole be the dead eye 83 of lock core rod 6 other ends than small sircle hole;

8., in radially jack 71,81 bottoms of front and back sheath, respectively be provided with a buoyance lift piece 9, this buoyance lift piece 9 is inverted butterfly disk shape, the top is provided with the groove 91 that matches with lock core rod 6, the bottom is by volute spring 32 top of propping up.

When the utility model uses, with reference to Figure 11,12, when lockset is under the blocking, the major axis heart of lock core rod 6 is the level of state, just but embedding is formed on the big hole position of core hole clipping 11, U type ring body 1 can't be separated with lock body, when looking on the bright side of things lock, then rotate the lockhole of tapered end 3 with the key (not shown), make its lock mandrel 31 drive catch 4 half-twists, simultaneously, lock core rod 6 is limited by the qualification slotted eye 44 of catch, also half-twist, make the major axis heart of lock core rod change into plumbness, at this moment, two buoyance lift pieces 9 are borrowed the elastic force of volute spring 92 and U type ring body 1 jack-up are broken away from original locked position of coupler, and make the lock core rod 6 of plumbness break away from core hole clipping 11 by bayonet socket 12, reach smooth taking-up ring body and the purpose of unblanking; In above-mentioned operation, when buoyance lift piece jack-up U type ring key 1 makes lock core rod 6 by bayonet socket 12, lock core rod 6 is promptly taken advantage of a situation in the groove 91 that enters buoyance lift piece 9, and still keep plumbness, thereby lock core rod 6 is pushed between bayonet socket 12 and the buoyance lift piece groove 91, and U type ring body 1 can take out at any time, so the utility model can rotate to lockset position of coupler with key when unblanking after, can turn round back initial point and take out preservation, irrelevant with follow-up unlock operation.

When thinking once more locking, at first the two ends of U type ring body 1 are inserted in the interface 21,22 of lock sleeve, when hole clipping 11 enters jack 61,81, two ends contact buoyance lift piece 9 and pushing downwards, and the lock core rod 9 that keeps plumbness in the groove 91 of buoyance lift piece is taken advantage of a situation and is imported bayonet socket 12, when treating that two ends hold out against the end of to, lock core rod 6 promptly enters in the ring body hole clipping 11, simultaneously, lock core rod 6 is subjected to the effect of volute torque spring 5 and turns round, and be subject to the qualification slotted eye 44 of catch and be deflected into level, lock core rod 6 embeddings are formed on become locking states in the hole clipping 11.

Claims (1)

1, a kind of U type padlock, by U type ring body (1), be mounted on the lock cylinder device formed by tapered end (3), catch (4), volute torque spring (5), lock core rod (6) in the lock sleeve (2), preceding sheath (7), afterwards sheath 8, two groups of buoyance lift pieces (9) are constituted, it is characterized in that:

1., U type ring body (1) two foot respectively is provided with a core hole clipping (11) that radially runs through, this hole clipping (11) cross section is " Ω " shape, has bayonet socket (12);

2., lock sleeve (2) is a hollow tube, an interface (2) 1 and a back interface (22) before two ends are respectively equipped with one on body, the spacing of two interfaces equates with U type ring body foot spacing;

3., tapered end (3) quilt is lacked the front end that pin is fixed in sleeve pipe (2), catch (4) is embedded in lock mandrel (31) with its elongated slot (41), the catch periphery is provided with rotation limit groove (42), this rotation limit groove (42) is subjected to protrusion tab (32) restriction of tapered end (3) leading edge, be equipped with axial class hole in the another side of catch, the small sircle hole at center, class hole is the dead eye (43) of lock core rod (6), outer field macropore one-tenth "

" tee section, as the qualification slotted eye (44) of lock core rod (6) eccentric swing;

4., the center of volute torque spring (5) is the oval collar (51), this collar (51) and lock core rod (6) be fit mutually, the end bending card release stator (52) of spring (5);

5., lock core rod (6) is an oval flat bar, its front and back ends is diameter less round pin axle (61), (62), axle closes in the dead eye (43) of catch (4) with afterwards in the dead eye (83) of sheath respectively, and wears torque spring (5) and preceding sheath (7);

6., interface (21) was located before preceding sheath (7) was fixed in sleeve pipe with short pin, make the jack of radially offering on preceding socket (21) and the preceding sheath (7) (71) corresponding, the front end of preceding sheath (7) is provided with volute spring embedding seat (72), embedding seat periphery is provided with a location breach (73), the fastening sheet (52) of spring (5) is that embedding schedules breach (73) and locates, and preceding sheath (7) is axially arranged with the perforation (74) of passing for lock core rod (6);

7., interface (22) was located after back sheath (8) was fixed in sleeve pipe with short pin, interface (22) is corresponding with jack (81), back sheath (8) is axially arranged with deep hole (82), and it is poroid that deep hole (82) end is class, the class hole be the dead eye (83) of lock core rod (6) other end than small sircle hole;

8., in the radially jack (71) of front and back sheath, (81) bottom, respectively be provided with a buoyance lift piece (9), this buoyance lift piece (9) be inverted butterfly disk shape, the groove (91) that the top is provided with and lock core rod (6) matches, the top is propped up by a volute spring in the bottom.

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