CN2654789Y - Rifle lock - Google Patents

Abstract

The utility model relates to a rifle lock. The linear key insertion slot design of the traditional cylinder lock pin is fabricated into a helical rifle key insertion slot, and the corresponding key design is fabricated into a pipe-shaped key with a helical flute. The pipe-shaped key takes a rotating method to be inserted into the key slot of the lock pin. The key slot which adopts the helical rifle lock pin can directly put an end to the theft's technical open of the lock by using a mysterious object (generally called a master key) to switch the lower cylinder of the lock pin, improving the security of the lockset. The rifle lock can be used in combination with varieties of safety lock bodies, applied to the locks of doors, cycles and safes.

Description

Lock

The utility model relates to a kind of lockset, is to be used for preventing that the thief from carrying out the lockset of skilled unlocking with foreign matter (being commonly called as master key).

At present, known cylinder of spring lock all has the key inserting slot of a straight line, key insertion lock core as the first wife, just can the screw key unlocking spring lock, the lock core of this lockset is because the key that all has straight line to insert, open this lockset the condition that makes things convenient for is provided thereby stir following pellet shot from a slingshot in this lock core to the thief with foreign matter, the thief who generally speaking is skilled in technique makes the safety of this lockset be subjected to fatal harm as long as time several seconds just can be opened this lockset with foreign matter.Because skilled unlocking does not generally stay destructive on-the-spot, owner is not easy generally to find that the thief patronizes, and the police solves a case also relatively more difficult.

The purpose of this utility model provides a kind of lockset, and this lockset can prevent effectively that the thief from carrying out skilled unlocking with foreign matter, fundamentally improves the security performance of lockset, makes lockset really play antitheft effect.

The purpose of this utility model is achieved in that the basic reason that can open with foreign matter easily at common spring lock thief is the key inserting slot that the lock core of this lockset has a straight line to insert, make the thief toggle it to following pellet shot from a slingshot in the lock core with foreign matter, reach the crime purpose, basic mentality of designing of the present utility model is exactly that the orthoscopic key inserting slot on traditional lock core is designed and manufactured into crooked spiral helicine rifle key inserting slot.Rifle key inserting slot on the lock core makes the thief not toggle it to following pellet shot from a slingshot in the lock core with foreign matter, thereby plays the purpose that prevents thief's skilled unlocking.The key that lock of the present utility model is relative is also manufactured and the corresponding to tubular key with spiral groove of lock lock core rifle by the direct insertion key design of tradition, tubular key is the key inserting slot that inserts the lock lock core with the method for rotation, the inner round wall of tubular key has several and the corresponding counterbore of lower marble hole on the lock core, the depth of counterbore is represented the tartar height of key, when the tartar of tubular key and the following pellet shot from a slingshot length in the lock core correspond to bowlder outside the lock core, all rotation does not produce when hindering to lock core for last pellet shot from a slingshot in the tapered end and the following pellet shot from a slingshot in the lock core, and tubular key just can drive the lock core rotation and reach the purpose of unblanking.

Because the following pellet shot from a slingshot that has adopted technique scheme, lock of the present utility model to stop the thief to stir in the lock core with foreign matter effectively carries out skilled unlocking, thereby has improved the security performance of lockset, has reached antitheft purpose.

Below in conjunction with drawings and Examples the utility model further is illustrated:

Fig. 1 is the longitudinal profile constructional drawing of lock tapered end embodiment

Fig. 2 is the lock core structure figure that has the rifle groove of lock

Fig. 3 is the tubular Key structure figure with spiral groove of lock

Fig. 4 is the I-I sectional view of Fig. 1 when tubular key does not screw in lock core rifle groove

Fig. 5 is Fig. 1 when tubular key screws in lock core rifle groove, the I-I sectional view that lock core rotated under the active force of key when the following pellet shot from a slingshot length in tubular key tooth flower and the lock core was complementary

In the drawings: 1. key draw ring 2. spring piston rings, 3. the shank of the key 4. activity templates, 5. tube-shape key 6. lock core front ends, 7. tapered end front end 8. tapered end main bodys, 9. tapered end main bodys and tapered end front end fixing screw hole 10. tapered end front end reinforcement pins 11. tapered end main bodys install and fix on screw hole 12. tapered end cases 13. lock cores 14. that 22. times pellets of pellet 16. location Compress Spring 17. positioning ball 18. lock core steady pins, 19. square chi steady pin 20. lock core coupling spindles, 21. square chi, 24. tube-shape key tartars, 25. lock core lower marble holes, 26. lock core fixed pin holes, 27. keys insert the rifle groove on the pellet Compress Spring 15.

In the embodiment shown in fig. 1, tapered end main body (8) is combined by the mode that is threaded with tapered end front end (7), and by tapered end main body and tapered end front end fixing screw hole (9) that tapered end main body (8) and tapered end front end (7) is fixed with awl end holding screw.Tapered end front end (7) is used high strength steel and is made, and unblanks with destructivenesses such as boring, prize, pound in order to prevent the thief.Several tapered end front end reinforcement pins (10) can not rotate tapered end front end (7) on door, tapered end main body (8) installs and fixes screw hole (11) by screw by the tapered end main body and installs and fixes on the door, on tapered end main body (8), be with tapered end case (12), in the lock core hole at the round center of tapered end main body (8), be equipped with and be processed with the spiral helicine rifle key that screws in for tubular key (5) shown in Figure 3 on the lock core shown in Figure 2 (13), lock core (13) is linked with lock core steady pin (18) and lock core coupling spindle (20) by lock core fixed pin holes (26), the other end at lock core coupling spindle (20) is fixed together square chi (21) with square chi steady pin (19), the rotation of key just can drive the rotation of square chi like this, reaches the purpose that screw key is stretched out and withdrawn by the dead bolt on the square chi control lock body.Lock tapered end of the present utility model can cooperate the lock body of various models to use.The counterbore that positioning ball (17) are arranged on the lock core steady pin (18) on the lock core coupling spindle (20), positioning ball (17) is under the effect of location compression spring (16), make lock core coupling spindle (20) that a positioning action be arranged, in practical operation, be convenient to tubular key (5) precession or back-out in the rifle groove of lock core (13).Several lock core lower marble holes (25) are arranged on lock core (13), last pellet shot from a slingshot hole and tubular key tooth flower (24) on the tapered end main body (8) are arranged with lock core lower marble hole (25) opposite position.Tubular key tooth flower (24) is the counterbore of the different depths.Pellet shot from a slingshot (22) down is installed in the lock core lower marble hole (25) of lock core (13), pellet shot from a slingshot (15) and last pellet shot from a slingshot compression spring (14) is installed in the last pellet shot from a slingshot hole of tapered end main body (8).Between lock core (13) and tapered end front end (7); the lock core front end (6) that can freely rotate is housed; the lock core front end has groove on (6); this groove screws in the rifle groove of lock core (13) for tubular key; the same high strength steel that adopts with tapered end front end (7) of lock core front end (6) is made; so that protect lock core (13), improve the anti-destructive of whole lock.Be depicted as the tubular Key structure figure with spiral groove of lock in the embodiment shown in fig. 3.The shank of the key (3) one ends are fixed with the tubular key (5) that has spiral groove in the drawings, and the other end is fixed with activity template (4) by spring piston ring (2), are fixed with key draw ring (1) on activity template (4).Key handle (3) promptly drives tubular key (5) rotation, and since activity template (4) act on the shank of the key (3) when rotating, key draw ring (1) does not rotate with the shank of the key (3), brings convenience to practical operation.Embodiment Fig. 4 is Fig. 1 I-I sectional view when tubular key does not screw in lock core rifle groove.Go up pellet shot from a slingshot (15) in the drawings under the effect of last pellet shot from a slingshot compression spring (14), the part of last pellet shot from a slingshot (15) is pushed within the lock core lower marble hole (25) of lock core (13), has stoped the rotation of lock core (13) thereby go up pellet shot from a slingshot (15), plays the purpose of locking.Embodiment Fig. 5 is that Fig. 1 is after tubular key screws in lock core rifle groove, when the following pellet shot from a slingshot length in tubular key tooth flower and the lock core is complementary, last pellet shot from a slingshot, all rotation does not produce when hindering following pellet shot from a slingshot to lock core, the I-I sectional view that lock core rotates under the active force of key, when the counterbore degree of depth of the length of pellet shot from a slingshot (22) and tubular key is complementary under can be clearly seen that in Fig. 5, the other end of following pellet shot from a slingshot (22) just touches the outer garden of lock core (13), pellet shot from a slingshot on this moment (15) and following pellet shot from a slingshot (22) all do not play inhibition to the rotation of lock core (13), and lock core (13) rotates under the active force of tubular key (5) and plays the purpose of unblanking.On the tubular key of tapered end main body (8) lock core (13) (5), corresponding to circumferencial direction evenly distributed pellet shot from a slingshot hole, lower marble hole and tartar counterbore on several, be equipped with in the hole several to last pellet shot from a slingshot, pellet shot from a slingshot and last pellet shot from a slingshot compress spring down, to guarantee the size of key of lockset.

Owing to adopted the technical solution of the utility model, lock of the present utility model to stop the approach that the thief unblanks with foreign matter, made the theftproof performance of lockset obtain basic change.

Claims (1)

1. lock, form by tapered end main body, tapered end front end, lock core, lock core front end, tapered end case, last pellet shot from a slingshot, following pellet shot from a slingshot, last pellet shot from a slingshot compression spring, square chi, lock core coupling spindle, tubular key, it is characterized in that: the key inserting slot of processing on the lock core is a helical form rifle groove, and corresponding key is processed into the tubular key that helicla flute constitutes.

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