CN2189636Y

CN2189636Y - U-shaped pad lock with lifting device

Info

Publication number: CN2189636Y
Application number: CN 94211632
Authority: CN
Inventors: 谢祯桂
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-05-23
Filing date: 1994-05-23
Publication date: 1995-02-15
Anticipated expiration: 2004-05-23

Abstract

The utility model discloses a U-shaped pad lock with a lifting device, which is composed of a U-shaped ring set bar body, which is provided with an inserting bayonet, and a lock core device arranged in a lock body. The utility model is characterized in that the lifting device is arranged in the lock body, a lock core bar is clamped on the U-shaped ring set bar body of the inserting bayonet through the moving of the lifting device, the other end head of the lock core bar is spaced in the ellipse-shaped concave hole of a cam arranged in a retaining sheet to be in a blocking state and inversely in an opening state. The utility model has the advantages of simple structure, safety, reliability and convenient use.

Description

U-shaped pad lock with lifting device

The utility model relates to lockset kind, refer to especially a kind of can directly press slotting, automatic blocking, the U type padlock that can conveniently unblank again with buoyancy device.

General common locomotive, the lock of bicycle, general structure is by being made of a U type ring key and a lock cylinder device that is located in the lock body that is provided with the inlay card mouth, wherein " the telescopic lock core structure of subtend ", because of it opens and closes comparatively facility of latching operation, so be widely used on the various locksets, as shown in Figure 1: it is by a mid-shifting block 1 ', two staggered and opposed lock core rods 2 ', two springs 3 ' constitute, the spring 3 ' that utilization is provided with between lock core rod 2 ', lockset is had once press the function of inserting automatic blocking, and borrow shifting block 1 ' to rotate and drive lock core rod 2 ', lock core rod 2 ' is fallen back detach the inlay card mouth 5 ' that encircles on the key 4 ', reach the purpose of unblanking, though this lockset is opened convenient, but still there is certain problem, promptly under blocking, if at the side (being the axial positions of lock core rod 2 ') of lockset to knock or to impose the continuous power of rapping, and make the lock core rod 2 ' displacement that falls back, spring 3 ' produce and shrink, and detach the inlay card mouth 5 ' of ring key 4 ', cause unexpectedly and unblank, the insurance function of forfeiture lockset.

The purpose of this utility model: be defective, provide a kind of and beat or pound down, can not cause accident to unblank, make newly-designed lockset have more safety effect in external force at above-mentioned lockset, and can directly press slotting, automatic blocking and the effect of conveniently unblanking.

The purpose of this utility model is achieved in that the U type padlock with buoyancy device, form by U type ring key 1 that is provided with inlay card mouth 11 and the lock cylinder devices that are located in the lock body 2, lock cylinder device is by tapered end 3, catch 4, volute torque spring 5, pin 6, positioning seat 7 and two lock core rods 8 are formed, and catch 4 peripheries are provided with rotary stopper groove 42, and other end central authorities are provided with cam ring 43, be an ellipse garden shape shrinkage pool, have in cam ring 43 centers dark cross section be "

" spacing hole 45 of shape; The center of volute torque spring 5 is the ellipse garden shape collar 51 and pin 6 fits, and reed circle end bends out a cramp 52; Positioning seat 7 front ends are volute spring embedding seat 72, have in the embedding seat dark and cross section be "

" spacing hole 74 of shape, embedding seat periphery has a location breach 73; The inward end head process of two lock core rods 8 is provided with a garden platform pallet 83, just can enter in the ellipse garden shape shrinkage pool of catch 4 cam rings 43; Buoyancy device also is housed in lock body 2, and buoyancy device is by sheath 9, buoyance lift piece 93, and spring 94 is formed.

Advantage of the present utility model is: when blocking, ring key foot is with the downward holddown spring of buoyance lift piece, two lock core rods are subjected to the effect of its spring force, make the embedding of two lock core rods difference in the inlay card mouth of ring key, and the garden shape pallet of lock core rod inboard is stuck in the major axis edge of catch cam ring, pin is the level of state and places between two lock core rods, U type ring key and lock body can't be broken away from, even under the beaing of external force, can not cause unexpectedly yet and unblank, the security insurance effect is splendid, and directly presses and insert, and automatic blocking is very convenient.

Concrete structure of the present utility model further specifies by the following drawings and embodiment:

Fig. 1: be the lockset of prior art

Fig. 2: be three-dimensional exploded view of the present utility model

Fig. 3: the complete section diagrammatic sketch during for the utility model locking

Fig. 4: the cut-away view of the location division during for the utility model locking

Fig. 5: be the cut-away view at the utility model catch position

Fig. 6: the complete section diagrammatic sketch when unblanking for the utility model

Fig. 7: the catch position cut-away view when unblanking for the utility model

Fig. 8: take out the jack position cut-away view behind the ring key for unblanking

Fig. 9: take out the catch cut-away view behind ring key and the key for unblanking

Referring to Fig. 2,3, U type padlock with buoyancy device, form by U type ring key 1 that is provided with inlay card mouth 11 and the lock cylinder devices that are located in the lock body 2, lock cylinder device is by tapered end 3, catch 4, volute torque spring 5, pin 6, positioning seat 7 and two lock core rods 8 are formed, and lock body 2 is the square body of a hollow, socket 21 and back socket 22 before on body, being provided with, the spacing of its two plug receptacle just equals to encircle the distance of key 1 two end pin, also is provided with two sheaths 9 in the body, is fixed in the lock body 2 with short pin 10 respectively.Tapered end 3 is closed the below, stage casing in lock body 2 admittedly; On lock mandrel 31, catch 4 peripheries are provided with rotary stopper groove 42 to catch 4 with 41 interlockings of its keyway, and other end central authorities are provided with cam ring 43, are an ellipse garden shape shrinkage pool, have in cam ring 43 centers dark cross section be "

" spacing hole 45 of shape; As the dead eye of pin 6 and the qualification slotted eye of eccentric swing; The center of volute torque spring 5 is the ellipse garden shape collar 51 and pin 6 fits, and reed circle end bends out a cramp 52; Positioning seat 7 front ends are volute spring embedding seat 72, have in the embedding seat dark and cross section be " " spacing hole 74 of shape, embedding seat periphery has a location breach 73; (see Fig. 2 for 52 engagings of the cramp on the volute torque spring, 4), positioning seat 7 usefulness one short pin 10 is admittedly in the sleeve pipe of lock body 2, two lock core rods 8 are divided into two sides of pin 6, be with spring 81 in the stage casing of lock core rod 8 by a clasp 82 location, between two lock core rods, be provided with one and can make 90 pins 6 of spending the cross section, flat garden of rotating.The inward end head process of two lock core rods 8 is provided with a garden platform pallet 83, just can enter to accept to lead limit in the ellipse garden shape shrinkage pool of catch 4 cam rings 43; Sheath 9 is provided with axial slotted hole 91 and cooperates with lock core rod 8, radially be provided with jack 92 and aim at setting, and respectively install a buoyance lift piece 93 in warp-wise jack 92 bottoms with the

socket

21,22 on the lock body 2, buoyance lift piece 93 belows are provided with a spring 94, and buoyance lift piece 93 is inverted dish-shaped shape.

According to the lockset that above-mentioned member is formed, its moving situation is described as follows:

Referring to Fig. 3, be blocking of the present utility model, the major axis transposition of the cam ring 43 of pin 6 and the catch (see figure 5) that is the level of state, two lock core rods 8 are under the effect of spring 81, make the garden platform pallet 83 on the lock core rod lead the major axis edge of limit at cam ring 43, and another termination puts on the U type ring key 1 that has inlay card mouth 11, U type ring key 1 and lock body 2 can't be broken away from, from Fig. 3, in 5 as seen, under blocking, pin 6 is the level of state and is arranged between two lock core rods 8, only is a fine pitch, so lockset is under the beaing that is subjected to side or axial force, lock core rod 8 can't fall back in displacement, can not produce unexpected accident of unblanking.

Referring to Fig. 6: when unblanking, utilize the lockhole of key 29 turn-knob tapered ends 3, make lock mandrel 3 drive catch 4 and the about 90 ° of (see figure 7)s of pin 6 rotations, then the pallet 83 of lock core rod is subjected to the leading limit of cam ring 43 on the catch 4 and bounces back, make lock core rod 8 break away from inlay card mouth 11, two buoyance lift pieces 93 make inlay card mouth 11 break away from the position of original locking, and reach the purpose of unblanking of smooth taking-up ring key 1 two end pin jack-up of following U type ring of the effect of spring 94 key 1 at this moment.

Referring to Fig. 8: in the above-mentioned process of unblanking, again key 29 is reversed back original position and take off preservation,, key must be remained on opening, and can not take off, make the action of key overslaugh open and close unlike original lockset; In buoyance lift piece 93 jack-up U type ring keys 1, buoyance lift piece 93 can not stretch in the jack 92 lock core rod 8 with keeping keeping out the exit position of slotted hole 91 once more, so that during next lock operation, can directly press the function of inserting automatic blocking.

Referring to Fig. 9: for the utility model is unblanked and taken off catch position cut-away view behind the key, as seen from the figure, catch 4 is subjected to the drive of lock mandrel 31 and 90 ° on transposition in key 29 reversings, make catch cam ring 43 major axis once more transposition become level; Pin 6 then is the level of state because of the resistance limit that is subjected to the pallet 83 on two lock core rods; But when lockset once more during locking, lock core rod 8 is to outer displacement, and the restoring force that pin 6 promptly is subjected to volute torque spring 5 transposition once more becomes level (as shown in Figure 5).

In sum, the utility model open and close latching operation is very convenient simple, has reliability, novel structure, the practical value height.

Claims

1, the U type padlock that has buoyancy device, form by U type ring key (1) that is provided with inlay card mouth (11) and the lock cylinder device that is located in the lock body (2), lock cylinder device is by tapered end (3), catch (4), volute torque spring (5), pin (6), positioning seat (7) and two lock core rods (8) are formed, and it is characterized in that: catch (4) periphery is provided with rotary stopper groove (42), and other end central authorities are provided with cam ring (43), be an ellipse garden shape shrinkage pool, have in cam ring (43) center dark cross section be "

" spacing hole (45) of shape; The center of volute torque spring (5) is the ellipse garden shape collar (51) and pin (6) fit, and reed circle end bends out a cramp (52); Positioning seat (7) front end is a volute spring embedding seat (72), have in the embedding seat dark and cross section be "

" spacing hole (74) of shape, embedding seat periphery has a location breach (73); The inward end head process of two lock core rods (8) is provided with a garden platform pallet (83), just can enter in the ellipse garden shape shrinkage pool of catch (4) cam ring (43); In lock body (2) buoyancy device is housed also, buoyancy device is by sheath (9), buoyance lift piece (93), and spring (94) is formed.

2, the U type padlock with buoyancy device according to claim 1, it is characterized in that: lock body (1) is the square body of a hollow, on body, be provided with preceding socket (21) and back socket (22), the spacing of its two plug receptacle just equals to encircle the distance of key (1) two end pin, also be provided with two sheaths (9) in the body, be fixed in the lock body (2) with short pin (10) respectively.

3, the U type padlock with buoyancy device according to claim 1 and 2, it is characterized in that: sheath (9) is provided with axial slotted hole (91) and cooperates with lock core rod (8), warp-wise is provided with the socket (21) on jack (92) and the lock body (2), (22) aim at setting, and bottom warp-wise jack (92), respectively install a buoyance lift piece (93), buoyance lift piece (93) below is provided with a spring (94), and buoyance lift piece (93) is inverted dish-shaped shape.

4, the U type padlock with buoyancy device according to claim 1, it is characterized in that: two lock core rods (8) are divided into two sides of pin (6), be with spring (81) in the stage casing of lock core rod (8) by a clasp (82) location, between two lock core rods, be provided with one and can make 90 pins (6) of spending the cross section, flat garden of rotating.