CN201095898Y

CN201095898Y - Leaf blade structure idle rotation lock

Info

Publication number: CN201095898Y
Application number: CNU2007200646368U
Authority: CN
Inventors: 雷先鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-30
Filing date: 2007-09-30
Publication date: 2008-08-06
Anticipated expiration: 2017-09-30

Abstract

The utility model discloses a free play lock with a blade structure, the free play lock comprises a front lock core and a rear lock core, and the locking clutch mechanisms are arranged on the front lock core and the rear lock core. For the locking clutch mechanism, a locking side column groove on the front lock core is provided with a locking side column which can be matched with a groove on a blade, and an offsetting spring, and a locking side column is provided with a gap which can be matched with the blade, a locking pin sliding chute is arranged on the rear lock core corresponding to the locking side column groove, a locking pin and the offsetting spring are arranged inside the locking pin sliding chute, the elasticity of a locking pin offsetting spring is larger (smaller) than that of a locking side column offsetting spring; at least one of the locking pin (locking side column) or a locking side column groove wall (locking pin sliding chute wall) adopts an incline to be contacted with the other one; a step which stops the rear lock core is arranged at the tail end of a lock body, the step is provided with a gap matched with the locking pin and a limiting gap which limits the rear lock core to rotate the angle. The free play tapered end of the angle marble has simple and firm structure and good unlocking effect for preventing a violent tool from prizing and wresting the lock core.

Description

The idle running lock of blade construction

Technical field

The utility model belongs to mechanical lock, is specifically related to a kind of idle running lock of blade construction.

Background technology

At present, a kind of blade lock that adopts the locking of locking side column structure is arranged, its lock core cannot be done 360 ° of idle running with respect to the lock body of lock core when lock cuts out.The anti-technical unlocking ability of this lock is stronger, but the ability that anti-violence instrument sled twistlock core is unblanked is relatively poor.

The utility model content

The purpose of this utility model is at above-mentioned situation, and a kind of idle running lock of blade construction is provided, and this lock can prevent effectively that violent tool sled twistlock core from unblanking.

The utility model purpose is achieved in that the idle running lock of blade construction, comprises the lock core in lock body, the lock body, lock core and rear lock core before lock core is divided into, and forward and backward lock core is provided with the locking clutch; Described locking clutch is to be provided with the locking side column that can match with the blade upper groove in the locking side column groove on preceding lock core, on locking side column, be provided with the breach that can match with blade, between the end wall of locking side column and locking side column groove, be provided with the locking side column back-moving spring, on rear lock core with the corresponding lock pin chute that is provided with of locking side column groove of preceding lock core, place lock pin in the lock pin chute, the lock pin back-moving spring is set between end wall in the lock pin chute and the lock pin, the elasticity of lock pin back-moving spring is greater than the locking side column back-moving spring, have at least one to adopt the inclined-plane to contact in lock pin or the locking side column cell wall with another, perhaps the elasticity of lock pin back-moving spring has at least one to adopt the inclined-plane to contact with another less than the locking side column back-moving spring in locking side column or the lock pin runner wall; Be provided with step with the rear lock core stop bit at the lock body afterbody, the lock pin in the corresponding breach of opening with the lock pin chute on the step, lock pin chute can match with this breach; Also be provided with the spacing breach of restriction rear lock core rotational angle on this step, the afterbody of rear lock core is provided with the projection that matches with lock body afterbody upper limit breach.

The further technical scheme of the utility model is, the locking clutch that described forward and backward lock core is provided with is symmetrically arranged two covers, correspondingly with the lock pin chute on the step of lock body afterbody opens two breach, and the lock pin in the lock pin chute can match with this breach.

The characteristics of the utility model lock are to adopt former and later two lock cores, utilize lock pin in the rear lock core and the locking side column in the preceding lock core and blade under different conditions, to cooperate the axially-movable of controlling locking side column, front and back lock core can be fused or separate, thus before reaching lock core rear lock core and lock body are done 360 ° idle running relatively when locking.The required component of this structure are few, and are simple in structure, firm, good reliability.Adopt the lock of the utility model Lock cylinder idling structure,, can only drive preceding Lock cylinder idling behind the insertion lock core, the rear lock core that is fixed with sword iron is rotated if use non-matching key to unblank.Make external force act on lock body or rear lock core, thereby thoroughly solved powerful unblanking and a destructive difficult problem of unblanking, further improved the theftproof performance of lock by preceding lock core.Adopt double-row blades can reduce mutual opening rate.

Further specify technical solutions of the utility model below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the structural representation of first embodiment of the utility model.

Fig. 2 is that the A-A of Fig. 1 is to sectional view.

Fig. 3 is the partial top view of Fig. 1.

Fig. 4 is the left view of Fig. 1.

Fig. 5 is the different user mode schematic diagrames of Fig. 1.

Fig. 6 is the B-B sectional view of Fig. 5.

Fig. 7 is the partial top view of Fig. 5.

Fig. 8 is the structural representation of second embodiment of the utility model.

Fig. 9 is the partial top view of Fig. 8.

Figure 10 is the different user mode schematic diagrames of Fig. 8.

Figure 11 is the partial top view of Figure 10.

Figure 12 is the structural representation of the 3rd embodiment of the utility model.

Figure 13 is that the C-C of Figure 12 is to sectional view.

Figure 14 is the left view of Figure 12.

Figure 15 to Figure 17 is different single blades and the locking side column schematic diagram that matches with it.

Figure 18 to Figure 20 is respectively the vertical view of locking side column among Figure 14 to Figure 16.

Figure 21 to Figure 23 is different double-row blades and the locking side column schematic diagram that matches with it.

The specific embodiment

Embodiment 1

See Fig. 1 to Fig. 4, the utility model comprises the lock core in lock body 4, the lock body 4, lock core 1 and rear lock core 10 before lock core is divided into, and forward and backward lock core 1,10 is provided with the locking clutch; Described locking clutch is to be provided with the locking side column 6 that can match with blade 3 upper grooves 15 in the locking side column groove 13 on preceding lock core 1, locking side column 6 is provided with the breach 5 that can match with blade 3, is provided with locking side column back-moving spring 2 between the end wall of locking side column 6 and locking side column groove 13; On rear lock core 10,, place lock pins 7 in the lock pin chute 12, between end wall 11 in the lock pin chute and the lock pin 7 lock pin back-moving spring 8 is set with the locking side column groove 13 corresponding lock pin chutes 12 that are provided with of preceding lock core 1; The elasticity of lock pin back-moving spring 8 is greater than locking side column back-moving spring 2, and lock pin 7 adopts inclined-plane 16a to contact (perhaps the cell wall of locking side column groove adopts the inclined-plane to contact with lock pin) with the cell wall of locking side column groove 13; Be provided with step 9 at lock body 4 afterbodys of tapered end with rear lock core 10 stop bits, on the step 9 with the lock pin chute 12 corresponding breach 17 of opening, lock pin 7 in the lock pin chute 12 can match with this breach 17, also be provided with the spacing breach 19 of restriction rear lock core 10 rotational angles on this step 9, the afterbody of rear lock core 10 is provided with the projection 18 that matches with lock body 4 afterbody upper limit breach 19.

Idle running principle of the present utility model: the state before unblanking is seen Fig. 5, Fig. 6, and preceding lock core 1 lock body 4 and rear lock core 10 is relatively done 360 ° of idle running; When unblanking (referring to Fig. 1), insert key 14 and make motion in the breach 5 of each blade 3 on locking side column 6, the groove of arranging on blade 3 15 is parallel with the both sides of locking side column groove 13 in order, groove 15 forms beeline channel, the beeline channel that locking side column 6 forms by groove 15 can be along 13 axially-movables of locking side column groove, locking side column groove 13 before the preceding lock core 1 of rotation aligns the lock pin 7 in the rear lock core 10 in the lock core 1, because the elasticity of lock pin back-moving spring 8 is greater than locking side column spring 2, lock pin 7 with locking side column 6 in sinciput is gone forward side by side locking side column groove 13, at this moment front and back lock core 1,10 fuse by lock pin 7, preceding lock core 1 relative rear lock core 10 can not dally, and can unblank; During locking, earlier preceding lock core 1 is rotated an angle (referring to Fig. 7), because lock pin 7 adopts inclined-plane 16a to contact (referring to Fig. 3) with locking side column groove 13a wall, locking side column cell wall 13a forces in the lock pin 7 withdrawal rear lock cores 10, make between locking side column 6 and the lock pin 7 contact end face just be in before and after two lock cores 1,10 interface, simultaneously, breach 5 on the locking side column 6 aligns with blade 3, blade 3 can move in the breach on the locking side column 65, extract key 14 out, 3 one-tenth lack of alignment of blade, the groove 15 on it is upset, locking side column 6 is simultaneously by blade 3 stuck location, and lock is got back to Fig. 5 again, the state that lock core can dally before during locking shown in Figure 6; Lock pin 7 on the rear lock core 10 matches with breach on the lock body 4 rear end steps 9, can play the effect that rear lock core 10 and lock body 4 is connected as a single entity and locatees; The angular range that rear lock core 10 rotates matches definite by the projection on it 18 with spacing breach 19 on the lock body rear end.

Embodiment 2

See Fig. 8, Fig. 9, with the difference of embodiment 1 only be the elasticity of lock pin back-moving spring 8 less than locking side column back-moving spring 2, the lock pin runner wall adopts inclined-plane 16b to contact (perhaps locking side column employing inclined-plane contacts with the lock pin runner wall) with locking side column 6.

The operating principle of this structure is identical with embodiment 1, only utilizes locking side column 6 to stretch into front and back lock core to be fused in the rear lock core.Fig. 8, Figure 9 shows that situation when unblanking, because the elasticity of lock pin back-moving spring 8 is less than locking side column back-moving spring 2, locking side column 6 with the lock pin in the rear lock core 7 in sinciput is gone forward side by side the lock pin chute, at this moment front and back lock core 1,10 fuses by locking side column 6, and the relative rear lock core of preceding lock core can not dally; Situation is seen Figure 10, Figure 11 during locking, earlier preceding lock core 1 is rotated an angle (referring to Figure 11), because the lock pin runner wall adopts inclined-plane 16b to contact (referring to Fig. 9) with locking side column 6, the lock pin runner wall forces in the preceding lock core of locking side column withdrawal, make between locking side column and the lock pin contact end face just be in before and after the interface of two lock cores, preceding relative rear lock core of lock core and lock body can relatively rotate, and realize 360 ° of idle running.

Embodiment 3

Figure 12 is the lock that the utility model adopts double-row blades to lock shown in Figure 14.It is to be symmetrical arranged locking clutch structure same as the previously described embodiments in forward and backward lock core, correspondingly on the step of lock body 4 afterbodys open two breach 17 with the lock pin chute, lock pin in the lock pin chute can match with this breach 17, the projection 18 relative embodiment 1 angle setting of deflection a little on the spacing breach 19 on the lock body 4 afterbody steps and rear lock core 10 afterbodys.This lock can further increase the theftproof performance of lock and reduce mutual opening rate.

Blade of the present utility model and locking side column can also adopt different forms, and to shown in Figure 20, single blade 3 adopts different grooves 15 to match with different locking side column 6 as Figure 15.Figure 21 is extremely shown in Figure 23 to be the situation that double-row blades adopts different grooves and different locking side column to match.

Claims

1, a kind of idle running of blade construction lock comprises the lock core in lock body, the lock body, it is characterized in that lock core is divided into preceding lock core and rear lock core, and forward and backward lock core is provided with the locking clutch; Described locking clutch is to be provided with the locking side column that can match with the blade upper groove in the locking side column groove on preceding lock core, on locking side column, be provided with the breach that can match with blade, between the end wall of locking side column and locking side column groove, be provided with the locking side column back-moving spring, on rear lock core with the corresponding lock pin chute that is provided with of locking side column groove of preceding lock core, place lock pin in the lock pin chute, the lock pin back-moving spring is set between end wall in the lock pin chute and the lock pin, the elasticity of lock pin back-moving spring is greater than the locking side column back-moving spring, have at least one to adopt the inclined-plane to contact in lock pin or the locking side column cell wall with another, perhaps the elasticity of lock pin back-moving spring has at least one to adopt the inclined-plane to contact with another less than the locking side column back-moving spring in locking side column or the lock pin runner wall; Be provided with step with the rear lock core stop bit at the lock body afterbody, the lock pin in the corresponding breach of opening with the lock pin chute on the step, lock pin chute can match with this breach; Also be provided with the spacing breach of restriction rear lock core rotational angle on this step, the afterbody of rear lock core is provided with the projection that matches with lock body afterbody upper limit breach.

2, the idle running of blade construction according to claim 1 lock, it is characterized in that the locking clutch that described forward and backward lock core is provided with is symmetrically arranged two covers, correspondingly with the lock pin chute on the step of lock body afterbody open two breach, the lock pin in the lock pin chute can match with this breach.