CN2727324Y

CN2727324Y - Idle type anti-theft lock

Info

Publication number: CN2727324Y
Application number: CN 200420014031
Authority: CN
Inventors: 骆国基
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-29
Filing date: 2004-09-29
Publication date: 2005-09-21
Anticipated expiration: 2014-09-29

Abstract

The utility model discloses an idle type anti-theft lock, comprising a shell, a lock core and a clutch core. The lock core and the clutch core are sheathed in the shell; the lock core is in front of the clutch core; the clutch core is the main unlocking body; one or two rows of main marbles are arranged in the longitudinal direction of the lock core; the middle part of the main marbles is provided with a V-shaped ring groove or a V-shaped notch; the point on the lock core corresponding to the V-shaped ring groove or the V-shaped notch is lengthways provided with subsidiary marbles; the inner end of the subsidiary marbles is provided with a plurality of projections; the point on the clutch core corresponding to the subsidiary marbles is provided with a clutch pin; the point on the shell corresponding to the clutch pin is provided with a locked slot. When locking, the clutch pin is clamped on the matching surface between the shell and the clutch core, in order that the main unlocking body namely the clutch core is unable to turn while the lock core is in a released state namely idling condition. The lock core can be turned at can if unlocking tools or other workpieces are inserted, but the lock can not be opened. Therefore, with a great anti-theft effect, the lock can prevent abnormal unlocking techniques such as reinforced unlocking and technical unlocking; the utility model is adapted for some important departments: such as safe, anti-theft door and motor vehicle anti-theft lock.

Description

A kind of idle running type anti-theft lock end

Technical field:

The utility model relates to a kind of lock, relates in particular to a kind of mechanical lock head.

Technical background:

Mostly in the mechanical lock head that uses at present be cylinder lock, by housing be enclosed within the housing rotary lock core and pellet shot from a slingshot and form.Vertically corresponding several pellet shot from a slingshot holes, a spring of placement, a housing pellet shot from a slingshot, lock core marble each pellet shot from a slingshot hole in of having on housing and lock core.Under blocking, the insertion lock core inner different in size of housing pellet shot from a slingshot is stuck on the fitting face of housing and lock core, and lock core can not be rotated.When inserting key, rugged spoon tooth is complementary with pellet shot from a slingshot different in size, makes the tie point of all housing pellets shot from a slingshot and lock core marble all equal with the fitting face between the lock core with housing, and key just can drive lock core and will lock unlatching at this moment.The lock of this structure, when lock core was reversed as brute force by special instrument insertion keyhole, the pellet shot from a slingshot that stops lock core to rotate can be twisted off, and makes this lock by unnormal unlocking, thereby loses anti-theft feature.

Summary of the invention:

The purpose of this utility model is to provide a kind of anti-theft lock end that can overcome the defective that exists in the prior art.Its lock core is located idling conditions fully when shutting, insert unlocking tool or other objects, rotary locking cylinder arbitrarily, but this lock is not unlocked, function with improper means of unblanking such as the defence brute force is unblanked, technology unlockings, fabulous some the important departments that are specially adapted to of theftproof are as safety cabinet, security door, anti-theft lock for motored vehicle etc.

The utility model is achieved by the following technical solution: it comprises housing, lock core and clutch core, described lock core and clutch core retainer plate are in housing, lock core is preceding, the clutch core after, the clutch core is the main body of unblanking, and vertically has one to two row pellet shot from a slingshot hole at lock core, place a spring in every hole, a main pellet shot from a slingshot, the middle part surface of main pellet shot from a slingshot has a V-ring groove or V-arrangement notch, at lock core, vertically has secondary pellet shot from a slingshot elongated slot corresponding to main pellet shot from a slingshot V-ring groove or notch place, built-in secondary pellet shot from a slingshot, there are several projections the inner of secondary pellet shot from a slingshot, and the front surface of projection is protruding V-arrangement, connects with the main pellet shot from a slingshot back side mutually, have the clutch cotter way at the clutch core corresponding to secondary pellet shot from a slingshot place, built-in on-of pin has lock slots at housing corresponding to the on-of pin place, is provided with the pellet shot from a slingshot hole in the groove, built-in spring and pellet shot from a slingshot, the order of connection is: housing, spring, pellet shot from a slingshot, on-of pin, secondary pellet shot from a slingshot, main pellet shot from a slingshot, key.

Anti-theft lock end of the present utility model is when shutting, lock core is in idling conditions fully, any rotary locking cylinder, this lock can not be unlocked yet, so improper means of unblanking such as brute force is unblanked, technology unlocking that this lock can effectively be defendd, theftproof is very high, is specially adapted to some important departments: as safety cabinet, security door, anti-theft lock for motored vehicle etc.

Description of drawings:

Fig. 1 is the transversal profile structural representation of first embodiment of the utility model when inserting key,

Fig. 2 is that cross-sectional view is looked on the left side of Fig. 1,

Fig. 3 is the transversal profile structural representation of first embodiment of the utility model when inserting key,

Fig. 4 is that cross-sectional view is looked on the left side of Fig. 3,

Fig. 5 is that the cross-section structure diagrammatic sketch is looked on the left side of second embodiment of the present utility model,

Fig. 6 is the transversal profile structural representation of the 3rd embodiment of the present utility model,

Fig. 7 is the transversal profile structural representation of the 4th embodiment of the present utility model,

Fig. 8 is that cross-sectional view is looked on the left side of Fig. 7,

Fig. 9 is a secondary pellet shot from a slingshot of the present utility model left side TV structure schematic diagram,

Figure 10 is the upward view of Fig. 9,

Figure 11 is the front view of the utility model clutch core,

Figure 12 is that cross-sectional view is looked on the left side of Figure 11,

Figure 13 is the front view of the utility model on-of pin,

Figure 14 is the left view of Figure 13,

Figure 15 is the front view of the utility model the 4th embodiment theftproof lock master pellet shot from a slingshot,

Figure 16 is the left view of Figure 15,

Figure 17 is the vertical view of Figure 15,

Figure 18 is the front view of the utility model the 3rd embodiment theftproof lock master pellet shot from a slingshot,

Figure 19 is the left view of Figure 18,

Figure 20 is the vertical view of Figure 18.

The specific embodiment:

Fig. 1-4 illustrated embodiment theftproof lock, by housing 1, lock core 2, clutch core 18 formations such as grade, described lock core 2 and clutch core 18 tandem being enclosed within the housing 1, lock core 2 preceding clutch core 18 after, clutch core 18 is the main body of unblanking, vertically have two row's pellet shot from a slingshot holes 6 at

lock core

2,12 1 on spring is put in every hole, 4 one of main pellets shot from a slingshot, tail end connection spring 12 other ends of main pellet shot from a slingshot 4 stretch in the keyhole 3 and are connected with key 22, have a V-ring groove 7 at main pellet shot from a slingshot 4 middle part surfaces, lock core 2 corresponding to V-ring groove 7 places of main pellet shot from a slingshot 4 vertically symmetry have two secondary bullet groove bars 15, every groove is put into a secondary pellet shot from a slingshot 11, there are several projections 5 the inner of secondary pellet shot from a slingshot 11, the V-ring groove 7 that the front end of each projection 5 is protruding V-arrangement 16 and main pellet shot from a slingshot 4 is complementary, the back side with main pellet shot from a slingshot 4 of the protruding V-arrangement 16 of projection 5 is connected, 11 front ends of secondary pellet shot from a slingshot are equal with the most preceding main pellet shot from a slingshot 4, the rear end is equal with the fitting face between lock core 1 and the clutch core 18, at clutch core 18 corresponding to secondary pellet shot from a slingshot 11 places, symmetry have a clutch cotter way 17, as shown in Figure 2, clutch cotter way 17 is 45 degree slope shapes, put into on-of pin 14 in the groove, the clutch cotter way 17 of the shape of on-of pin 14 and slope shape is complementary, have lock slots 13 at housing 1 corresponding to on-of pin 14 places, be provided with a pellet shot from a slingshot hole 8 in the groove, 9, one housing pellets shot from a slingshot 10 of a built-in spring.As Fig. 1, shown in Figure 2, when shutting, main pellet shot from a slingshot 4 outwards moves under the effect of spring 12, V-ring groove 7 departs from the protruding V-arrangement 16 of secondary pellet shot from a slingshot 11 projections, the top is compeled secondary pellet shot from a slingshot 11 and is moved backward, the rear end of secondary pellet shot from a slingshot 11 will be inserted the on-of pin 14 of lock core 2 originally and be passed to the direction of clutch core 18, on-of pin 18 pushes away lock core 2 fully the most at last, secondary pellet shot from a slingshot 11 is just equal with the fitting face between the clutch core 18 with lock core 2 with the tie point of on-of pin 14, at this moment, lock core 2 is in released state with clutch core 18, lock core 2 can rotate freely, meanwhile, the other end of on-of pin 14 then inserts housing lock slots 13 and is stuck on the fitting face between housing 1 and the clutch core 18 housing 1 and the clutch core 18 formation lock-out state that is connected as a single entity.As Fig. 3, shown in Figure 4, when unblanking, insert key 22, main pellet shot from a slingshot 4 moves inwards under the promotion of spoon tooth, the V-ring groove 7 that makes all main pellets shot from a slingshot 4 is all to the protruding V-arrangement 16 of chief and vice pellet shot from a slingshot 11, under the effect of spring 9, move in the pellet shot from a slingshot 10, promote on-of pin 14 toward clutch core 18 inner moving, breaking away from pin fully until the outer end of on-of pin 14 decides groove 13 and gets back in the clutch core 18, its outer end is equal with the fitting face between the clutch core 18 with housing 1, so far clutch core 18 has been finished and the separating of housing 1, be in unlocking condition, meanwhile on-of pin 14 converts inside power to power forward under the effect on clutch cotter way 17 inclined-planes, promotes secondary pellet shot from a slingshot 11 and moves forward, and the protruding V-arrangement 16 of secondary pellet shot from a slingshot 11 falls into the V-ring groove 7 of secondary pellet shot from a slingshot 11, lock core 2 is inserted in the inner of on-of pin 14, lock core 2 and clutch core 18 are connected as a single entity, and at this moment, rotational lock core 2 can be opened lock.

The difference of second embodiment theftproof lock shown in Figure 5 and first embodiment theftproof lock of Fig. 1-4 is as follows: lock core 2 is opened row's pellet shot from a slingshot hole 6 and is adorned the main pellet shot from a slingshot 4 of a row, open a secondary bullet groove 15 and adorn a secondary pellet shot from a slingshot 11, clutch core 18 is opened a clutch cotter way 17 and is adorned an on-of pin 14, and housing 1 is opened a lock slots 13 and joined a pellet shot from a slingshot 10, a spring 9.

The difference of the 3rd embodiment theftproof lock shown in Figure 6 and the foregoing description theftproof lock is as follows: the lock core 2 pellet shot from a slingshot hole of opening 6 increases gathering sill 25, there is a guiding projection 24 in the outside of main pellet shot from a slingshot 4, main pellet shot from a slingshot 4 does not have V-ring groove 7, and dorsal part has a V-arrangement notch 23 in the middle.

The difference of Fig. 7, the 4th embodiment theftproof lock shown in Figure 8 and above-mentioned embodiment theftproof lock is as follows: the inboard of main pellet shot from a slingshot 4 is provided with a projection 21, and projection 21 stretches in the keyhole 3, does not have guiding projection 24, does not have V-ring groove 7.

Claims

1, a kind of idle running type anti-theft lock end, by housing (1), lock core (2), clutch core (18) constitutes, it is characterized in that: lock core (2) and clutch core (18) are enclosed within the housing (1), lock core (2) is preceding, clutch core (18) after, clutch core (18) is the main body of unblanking, lock core (2) vertically has one to two several pellet shot from a slingshot holes (6) of row, place a spring (12) in the hole, a main pellet shot from a slingshot (4), locate vertically to have secondary bullet groove (15) the inside at lock core (2) perpendicular to main pellet shot from a slingshot (4) and put into secondary pellet shot from a slingshot (11), there are several projections (5) secondary pellet shot from a slingshot (11) the inner, locates to have clutch cotter way (17) at clutch core (2) corresponding to secondary pellet shot from a slingshot (11), built-in on-of pin (14), locate to have corresponding to on-of pin (14) at housing (1) and be provided with pellet shot from a slingshot hole (8) in lock slots (13) groove and put into (9) pellets shot from a slingshot of a spring (10), the order of connection is: housing (1), spring (9), pellet shot from a slingshot (10), on-of pin (14), secondary pellet shot from a slingshot (11), main pellet shot from a slingshot (4).

2, it is characterized in that according to the described a kind of idle running type anti-theft lock end of claim 1: main pellet shot from a slingshot (4) is for cylindrical, and the middle part has V-ring groove (7).

3, it is characterized in that according to the anti-head of stealing and selling of the described a kind of idle running type of claim 1: have guiding projection (24) to have gathering sill (25) accordingly in the pellet shot from a slingshot hole (6) of lock core (2) on main pellet shot from a slingshot (4) limit, the back side, middle part of main pellet shot from a slingshot (4) has V-arrangement notch (23).

4, it is characterized in that according to claim 1 or 2 described a kind of idle running type anti-theft lock ends: the inner edge of main pellet shot from a slingshot (4) has a projection (21), and projection (21) stretches in the keyhole (3).