CN201045252Y - Special-shaped billiards idle rotation lock head - Google Patents

Abstract

The utility model discloses a special-shaped marble blank running tapered end which comprises a casing, a front lock pin, a rear lock pin and the like, wherein the front lock pin and the rear lock pin are sheathed inside the casing, the front lock pin is provided with one to two lines of a plurality of marble apertures longitudinally, and each marble aperture is provided with a spring and a special-shaped marble. The border of the special-shaped marble is provided with a small protruding block which extends inside the key hole, the back side of the special-shaped marble is provided with a V-shaped concave gap. An auxiliary marble groove which is corresponding to the V-shaped concave gap of the special-shaped marble is arranged, and the inner of the auxiliary marble groove is provided with an auxiliary marble, further the inner end of the auxiliary marble is provided with a plurality of protruding blocks. The end portion of the front lock pin is provided with a clutch pin groove, the back lock pin is provided with a back clutch pin groove which is corresponding to the front clutch pin groove, further a spring and a clutch pin are arranged inside the rear clutch pin groove. The inner of the casing is provided with a locking groove which is corresponding to the clutch pin groove, when the lock is closed, the front lock pin is positioned in the blank running state, when a foreign body or a lock opening tool is inserted, the front lock pin can be rotated voluntarily without the opening of the lock, thereby the anti-theft performance of the lock is high.

Description

A kind of special-shaped marble idle rotation lock head

Technical field:

The utility model relates to a kind of lock, and in particular, it relates to a kind of ball lock head.

Background technology:

Existing ball lock head majority by housing, be enclosed within that rotary lock core and pellet shot from a slingshot etc. thereof constitute in the housing, housing and lock core corresponding vertically have several pellet shot from a slingshot holes, a spring is put in each pellet shot from a slingshot hole, a housing pellet shot from a slingshot, a lock core marble.During locking, housing pellet shot from a slingshot insertion lock core card in various degree stops lock core to rotate between housing and lock core.The lock of this structure can be twisted off when lock core is inserted the pellet shot from a slingshot that stops lock core to rotate when keyhole is done powerful reversing by special instrument, makes this lock lose anti-theft feature.

Summary of the invention:

The purpose of this utility model provides a kind of special-shaped marble idle rotation lock head that can overcome existing defective in the prior art, its lock core is in idling conditions when locking, insert unlocking tool or other objects, can rotational lock core but this lock be not unlocked, have improper functions of unblanking such as the defence brute force is unblanked, technology unlocking, theftproof is very good.

The utility model is achieved by the following technical solution: it comprises housing, preceding lock core, rear lock core, special-shaped marble etc., described preceding lock core.Rear lock core is enclosed within the housing, rear lock core is the main body of unblanking, vertically have one to two several pellet shot from a slingshot holes of row at preceding lock core, a spring is put in each pellet shot from a slingshot hole, a special-shaped marble, there is a small lugs to stretch in the keyhole on the limit of special-shaped marble, the back side of special-shaped marble has the V-arrangement notch, position corresponding to special-shaped marble V-arrangement notch vertically has secondary bullet groove, the afterbody of lock core before secondary bullet groove extends to, built-in secondary pellet shot from a slingshot, the inner of secondary pellet shot from a slingshot is provided with several projections, each projection is connected with the back side of special-shaped marble corresponding to a special-shaped marble, joint face is protruding V-arrangement, and the afterbody of preceding lock core has preceding clutch cotter way, has a clutch cotter way built-in spring in back at rear lock core corresponding to preceding clutch cotter way, an on-of pin has lock slots corresponding to back clutch cotter way place in housing.

The utility model special-shaped marble idle rotation lock head is in idling conditions when locking, when inserting, foreign matter or unlocking tool can rotate preceding lock core arbitrarily, but can not unblank, so this lock can effectively be defendd improper means of unblanking such as brute force is unblanked, technology unlocking, theftproof is very high.

Description of drawings:

Fig. 1 is the cross section view of an embodiment of the utility model;

Fig. 2 is the left pseudosection of Fig. 1;

Fig. 3 is the cross section view of the unlocking condition of Fig. 1 embodiment;

Fig. 4 is the left pseudosection of Fig. 3;

Fig. 5 is the left pseudosection of second embodiment of the present utility model;

Fig. 6 is the front view of special-shaped pellet shot from a slingshot of the present utility model;

Fig. 7 is the vertical view of Fig. 6;

Fig. 8 is the left view of secondary pellet shot from a slingshot of the present utility model;

Fig. 9 is the upward view of Fig. 8;

Figure 10 is the front view of rear lock core of the present utility model;

Figure 11 is the left pseudosection of Figure 10;

Figure 12 is the front view of on-of pin of the present utility model.

The specific embodiment:

Fig. 1-the 4th, first embodiment of the present utility model is made of housing 1, preceding lock core 2, rear lock core 3, special-shaped pellet shot from a slingshot 5 etc.Lock core 2 is preceding before described, rear lock core 3 after, be sleeved in the housing 1, rear lock core 3 is the main body of unblanking, vertically have several pellet shot from a slingshot holes 4 of row at preceding lock core 2, a spring 6 is put in each pellet shot from a slingshot hole 4, a special-shaped marble 5, there is a small lugs 7 to stretch in the keyhole 8 on the limit of special-shaped marble 5, the back side of special-shaped marble 5 has V-arrangement notch 19, position corresponding to the V-arrangement notch l9 of special-shaped marble 5 vertically has secondary bullet groove 9, lock core 2 afterbodys before secondary bullet groove 9 extends to, built-in secondary pellet shot from a slingshot 10, the inner of secondary pellet shot from a slingshot 10 is provided with several projections 11, each projection 11 is connected with the back side of special-shaped marble 5 corresponding to a special-shaped marble 5, joint face 12 is protruding V-arrangement, and the afterbody of preceding lock core 2 has preceding clutch cotter way 13, has back clutch cotter way 14 built-in springs 18 at rear lock core 3 corresponding to preceding clutch cotter way 13, an on-of pin 15 has lock slots 17 corresponding to back clutch cotter way 14 places in housing 1.As Fig. 2, shown in Figure 3, when unblanking, key 16 inserts, the V-arrangement notch 19 of each special-shaped pellet shot from a slingshot 5 is all to chief and vice pellet shot from a slingshot 10 under the effect of key 16, on-of pin 15 and secondary pellet shot from a slingshot 10 move together under the effect of spring 18, the joint face 12 of secondary pellet shot from a slingshot 10 enters in the V-arrangement notch 19 of special-shaped marble 5, the front end of on-of pin 15 inserts in the preceding clutch cotter way 13 of preceding lock core 2, lock core 2 and rear lock core 3 are connected as a single entity before making, simultaneously, the rear end of on-of pin 15 is withdrawed from from the lock slots 17 of housing 1, at this moment twists key 16 and just can unblank.During locking, extract key 16, special-shaped marble 5 outwards moves under the effect of spring 6, the V-arrangement notch 19 of special-shaped marble 5 departs from secondary pellet shot from a slingshot 10, the top is compeled secondary pellet shot from a slingshot 10 and is moved backward, secondary pellet shot from a slingshot 10 promotes on-of pin 15, the preceding clutch cotter way 13 of lock core 2 before the front end of on-of pin 15 is withdrawed from, preceding lock core 2 separates fully with rear lock core 3, and preceding lock core 2 is in idling conditions, and the lock slots 17 of housing 1 is inserted in the rear end of on-of pin 15,3 of rear lock cores are in the lock state, at this moment, insert unlocking tool or other objects and can rotate preceding lock core 2 arbitrarily, but can not unblank.

Fig. 5 is second embodiment of the present utility model, is with the difference of first embodiment shown in Fig. 1-4: preceding lock core 2 is equipped with two rejection type pellets shot from a slingshot 5, two secondary pellets shot from a slingshot 10.

Claims (1)

1. special-shaped marble idle rotation lock head, by housing (1), preceding lock core (2), rear lock core (3), abnormity pellet shot from a slingshot formations such as (5), it is characterized in that: preceding lock core (2) is preceding, rear lock core (3) after, be sleeved in the housing (1), rear lock core (3) is the main body of unblanking, vertically have one to two several pellet shot from a slingshot holes (4) of row at preceding lock core (2), a spring (6) is put in each pellet shot from a slingshot hole (4), a special-shaped marble (5), there is a small lugs (7) to stretch in the keyhole (8) on the limit of special-shaped marble (5), the back side of special-shaped marble (5) has V-arrangement notch (19), position corresponding to the V-arrangement notch (19) of special-shaped marble (5) vertically has secondary bullet groove (9), secondary bullet groove (9) extends to preceding lock core (2) afterbody, built-in secondary pellet shot from a slingshot (10), the inner of secondary pellet shot from a slingshot (10) is provided with several projections (11), each projection (11) is connected corresponding to the back side of a special-shaped marble (5) with special-shaped marble (5), joint face (12) is protruding V-arrangement, clutch cotter way (13) before the afterbody of preceding lock core (2) has, have back clutch cotter way (14) built-in springs (18) at rear lock core (3) corresponding to preceding clutch cotter way (13), an on-of pin (15) locates to have lock slots (17) corresponding to back clutch cotter way (14) in housing (1).

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