CN203050247U - Rotating forbidden safety lock - Google Patents

Abstract

The utility model discloses a rotating forbidden safety lock. A rotatable lock cylinder of a cylindrical shape in an existing safety lock is changed into a key lock cylinder, wherein the key lock cylinder with a long key can not be rotated. A lock cylinder hole matched with a lock head is also changed into a key groove lock cylinder hole with a key groove. A manner of moving from front to back is used for opening and closing the rotating forbidden safety lock. A pushing lock cylinder spring, a translation limiting block with the key lock cylinder and a long key limiting pin are additionally increased. When the rotating forbidden safety lock is inserted, the key lock cylinder is shifted outwards under the thrust effect of the pushing lock cylinder spring and to drive an unlocking mechanism which is in linkage with the key lock cylinder, and the safety lock is opened. A key is inserted to the bottom straightly, and then the key is pulled out, the key lock cylinder is locked by both an upper marble and a lower marble, and the lock is locked. Due to the fact that the appearance of the key lock cylinder of the rotating forbidden safety lock cannot be rotated, a cemented carbide key is inserted and cannot be rotated, thus the rotating forbidden safety lock cannot be opened by a manner of opening the lock with brute force.

Description

Prohibit the lock of changing trains or buses

Technical field:

The utility model relates to a kind of lock, and especially a kind of taboo that can prevent that the robber from utilizing the carbide alloy key to turn on lock by force changes trains or buses to lock.

Background technology:

At present, the robber utilizes the carbide alloy key to turn on locking method by force to be: earlier the carbide alloy key is inserted in the lock core keyhole, turn round by force then and produce destructive the rotation, lock has also just been opened, so be absolutely unsafe.

Summary of the invention:

Can turn on the deficiency of lock with the carbide alloy key by force in order to overcome existing lock, the utility model provides a kind of taboo lock of changing trains or buses, and it can thoroughly stop and applies brute force with the carbide alloy key and unblank, thereby greatly improves degree of safety.

The technical scheme that its technical problem that solves the utility model adopts is: with rotating lock cylinder in the existing lock, change system into the non-rotatable band key lock core that has long key, the tapered end internal cylinder that is complementary therewith hole also has the band keyway lock core hole of keyway instead.The mode of translation before and after the folding of this lock is adopted, the last pellet shot from a slingshot of tapered end and the quantity in hole are Duoed one than the following pellet shot from a slingshot of being with the key lock core and the quantity in hole, namely in the original nearly outer end of tapered end on first outer end in pellet shot from a slingshot and hole increase pellet shot from a slingshot and hole on one again.Increase the spacing back-up ring of translation and the long key spacer pin that promote lock core spring, band key lock core.And the side at lower marble hole on the original row increases by one group of additional lock core positioner: pellet shot from a slingshot on the location of pellet shot from a slingshot and a band shoulder under the location of a hollow, and marble spring is gone up marble spring with the location under the location, increases by one on the corresponding lock shell and locatees the pellet shot from a slingshot button.When inserting key the end of up to after, the equal locking strip key lock core no longer of pellet shot from a slingshot up and down, but the following pellet shot from a slingshot in location is locking strip key lock core still, after pressing location pellet shot from a slingshot button this moment again, pellet shot from a slingshot overcomes the lock core hole and band key lock core 1 intersection that the last marble spring thrust in location moves to tapered end on the location, pellet shot from a slingshot locking strip key lock core no longer just under the location of passive displacement, band key lock core is promoting under the effect of lock core spring thrust, outside pellet shot from a slingshot pitch of holes of translation, drive the unlocking mechanism (do not belong to omit in the partial graph of the present utility model and draw) that links with band key lock core, lock is opened.Need sealedly should lock the time, insert key until the end, location this moment pellet shot from a slingshot locking strip key lock core under marble spring thrust under the location be down extracted behind the key the equal locking strip key of pellet shot from a slingshot lock core up and down, and this lock is namely sealed.Because of the profile of the band key lock core of this lock for rotatable, reverse moving lack scope for their abilitiesly by force so insert the carbide alloy key, this lock can't be opened with the method for turning on lock by force.

The beneficial effects of the utility model are: can thoroughly stop to turn on lock by force with the carbide alloy key, theftproof performance is good, and simple and reliable for structure.

Description of drawings:

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

Fig. 2 is the utility model structure axial part cross-sectional schematic (state when key has just inserted).

Fig. 4 is that the utility model axis of no-feathering is to cross-sectional schematic (state when spring is released lock core).

Fig. 1 is the structure cross-sectional schematic (state when key has just inserted) radially of first embodiment of the utility model.

Fig. 3 is the structure cross-sectional schematic (after pressing location pellet shot from a slingshot button, state when spring is released lock core) radially of first embodiment of the utility model.

Fig. 5 is the structure cross-sectional schematic (key insert after, state when spring is released lock core) radially of second embodiment of the utility model.

Fig. 6 is the structure cross-sectional schematic (after pressing location pellet shot from a slingshot button, state during the locking lock core) radially of second embodiment of the utility model.

Do not belong to omit among the other parts figure in the lock of the present utility model and do not draw or do not annotate, and done to simplify or omit to not relating to detail section of the present utility model in the drawn part.

Among the figure before the 1. band key lock cores 2. the spacing back-up ring 5. of long keys 3. long key 4. translations in back promote on 8. times pellets shot from a slingshot 9. of the lock core springs 6. tapered end 6a. band keyway lock core hole 7. long key spacer pins in back pellet shot from a slingshot 10. keys 11. lock shells 12. location down pellet shot from a slingshot 13. location go up pellet shot from a slingshot 14. location down marble spring 15. location upward marble spring 16. locate pellet shot from a slingshot buttons 17. and locate pits.

The specific embodiment:

In Fig. 2 (can simultaneously referring to Fig. 1), be columniform lock core with rotating profile in the existing lock, make the non-rotatable band key lock core 1 that has preceding long key 2 and the long key 3 in back into, the lock core holes in the tapered end 6 that is complementary therewith also have the band keyway lock core hole 6a of keyway instead.The mode of translation before and after the folding of this lock is adopted, the last pellet shot from a slingshot 9 of tapered end 6 and the quantity in hole are Duoed one than the quantity of the following pellet shot from a slingshot 8 of being with key lock core 1, namely in tapered end 6 original nearly outer ends on first outside in pellet shot from a slingshot and hole increase pellet shot from a slingshot and hole on one again.Increase the promotion lock core spring 5 that promotes 1 translation of band key lock core simultaneously, the spacing ring washer 4 of translation (referring to Fig. 4) of band key lock core 1, the long key spacer pin 7 in back.

In Fig. 1 and first embodiment shown in Figure 3, side at lower marble hole on the original row increases by one group of additional lock core positioner: pellet shot from a slingshot 13 on the location of pellet shot from a slingshot 12 and a band shoulder under the location of a hollow, and marble spring 14 is gone up marble spring 15 with the location under the location, increases by one on the corresponding lock shell 11 and locatees pellet shot from a slingshot button 16.

In Fig. 1, when inserting key 10 end of up to after, the equal locking strip key lock core 1 no longer of pellet shot from a slingshot up and down, but the following pellet shot from a slingshot 12 in location is locking strip key lock core 1 still, in Fig. 3, after pressing location pellet shot from a slingshot button 16 this moment again, pellet shot from a slingshot 13 overcomes the location and goes up lock core hole that marble spring 15 thrusts move to tapered end 6 and be with key lock core 1 intersection the location on, and pellet shot from a slingshot 12 is with regard to locking strip key lock core 1 no longer under the location of passive displacement.In Fig. 4, band key lock core 1 is under promotion lock core spring 5 thrust, and outwards pellet shot from a slingshot pitch of holes of translation drives the unlocking mechanism (do not belong to omit in the partial graph of the present utility model and draw) that links with band key lock core 1, and this lock is opened.

Need sealed being somebody's turn to do when locking (referring to Fig. 1), insert key 10 end of up to, pellet shot from a slingshot 12 locking strip key lock core 1 under marble spring 14 thrusts under the location under locating this moment, the equal locking strip key of pellet shot from a slingshot lock core 1 about dial-out key 10 backs, this lock is namely sealed.Because of the profile of the band key lock core 1 of this lock for rotatable, reverse moving lack scope for their abilitiesly by force so insert the carbide alloy key, this lock can't be opened with the method for turning on lock by force.

In Fig. 5 and second embodiment shown in Figure 6, the side of lower marble hole increases the additional lock core positioner of one group of another form on an original row: cylinder lock spring 15 is gone up in bullet 13 and location on the location of a band shoulder, being complementary therewith to be with increases a location pit 17 (referring to Fig. 5) on the key lock core 1, increase a location pellet shot from a slingshot button 16 on the corresponding lock shell 11.

In Fig. 5, when inserting key 10 until at the end, the equal locking strip key lock core 1 no longer of pellet shot from a slingshot up and down, pellet shot from a slingshot 13 does not contact with being with key lock core 1 under marble spring 15 thrusts on locating the location on.In Fig. 4, band key lock core 1 is promoting under lock core spring 5 impetuses, outside pellet shot from a slingshot pitch of holes of translation, the unlocking mechanism (do not belong to and omit picture in the partial graph of the present utility model) of drive band key lock core 1 interlock, lock unlatching.

When needing sealed should the lock (referring to Fig. 6), insert key 10 until the end, after pressing location pellet shot from a slingshot button 16 again, pellet shot from a slingshot 13 overcomes the location pit 17 interior locking strip key lock cores 1 that last marble spring 15 thrusts in location enter band key lock core 1 on the location, extract the key 10 backs equal locking strip key of pellet shot from a slingshot lock core 1 up and down, this lock i.e. sealed (referring to Fig. 2), and just can unclamp by the finger except location pellet shot from a slingshot button 16 this moment.

In the 3rd embodiment (referring to Fig. 2, Fig. 4), omit above-mentioned two kinds of additional lock core positioners (namely cancelling the component of number in the figure 12～17).When inserting key 10 until at the end, the equal locking strip key lock core 1 no longer of pellet shot from a slingshot up and down.In Fig. 4, band key lock core 1 is promoting outside pellet shot from a slingshot pitch of holes of translation under lock core spring 5 thrust, drives the unlocking mechanism (do not belong to and omit picture in the partial graph of the present utility model) of band key lock core 1 interlock, and lock is opened.

Need sealedly should lock the time, insert key 10 until the end (position as shown in Figure 2), extract key 10 when press...withing one's finger with key lock core 1 then, this moment is the equal locking strip key of pellet shot from a slingshot lock core 1 up and down, and this lock is namely sealed.

The 3rd example structure is the simplest, but when sealed should the lock, the lock core that when extracting key, need press...with one's finger, the someone can feel not too to make things convenient for.

Claims (2)

1. a taboo changes trains or buses to lock, and it is characterized in that: lock core is made the non-rotatable band key lock core (1) that has long key in the lock, and the lock core hole of the tapered end (6) that is complementary is therewith also made the band keyway lock core hole (6a) that has keyway.

2. taboo according to claim 1 changes trains or buses to lock, it is characterized in that: increase under the location pellet shot from a slingshot (13) on pellet shot from a slingshot (12) and the location, and marble spring (14) and location are gone up marble spring (15) the lock shell (11) that is complementary therewith and gone up and increase by one and locate pellet shot from a slingshot button (16) down in the location.

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