CN201110042Y

CN201110042Y - Racing lock head with vane structure

Info

Publication number: CN201110042Y
Application number: CNU200720064583XU
Authority: CN
Inventors: 雷先鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-26
Filing date: 2007-09-26
Publication date: 2008-09-03
Anticipated expiration: 2017-09-26

Abstract

The utility model discloses an idling lock of a blade structure, which comprises a front lock core and a rear lock core, wherein a locking side column and a reset spring which are capable of being matched with a groove on a blade are arranged in a locking side column slot on the front lock core, a gap which is matched with the blade is arranged on the locking side column, a lock pin chute which corresponds to the locking side column slot is arranged on the rear lock core, a lock pin and a reset spring are arranged in the lock pin chute, and the elasticity of the reset spring of the lock pin is bigger (smaller) than the reset spring of the locking side column. At least one of the lock pin (the locking side column) or the wall of the locking side column slot (the wall of the locking pin chute) uses an inclined plane to contact with another one, steps which stop the rear lock core are arranged on the tail portion of the lock body, and a gap which is matched with the lock pin and a limit gap which limits the rotating angle of the rear lock core are opened on the step. The utility model has simple and firm structure, strong reliability and excellent unlocking effects when the lock core is pried and twisted by a violence controlling tool.

Description

A kind of 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 mechanical lock that adopts locking side column structure locking is arranged, its lock core can be done 360 ° idle running with respect to the lock body of lock core when lock cuts out.It is a turning set is set between traditional lock core and lock body and forms three layer construction, utilizes the pellet shot from a slingshot that is located on the turning set can be respectively and lock core and the lock body incompatible realization Lock cylinder idling that matches.Though this lock can prevent violent tool sled twistlock core, has the structure more complicated, processing technology is loaded down with trivial details, and cost of production is higher, and must strengthen the deficiency of lock body diameter.

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 idle-run lock pin that this lock adopts is simpler than existing lock core, need not strengthen the lock body diameter, can prevent effectively that violent tool from prizing the twistlock core and unblanking.

The utility model purpose is achieved in that the idle running lock of blade construction, comprise the lock core in lock body, the lock body, lock core and rear lock core before lock core is divided into, be provided with the locking side column that can match in the locking side column groove on the preceding lock core with the blade upper groove, locking side column is provided with the breach that can match with blade, is provided with the locking side column back-moving spring between the end wall of locking side column and locking side column groove; On rear 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 with the corresponding lock pin chute that is provided with of locking side column groove of preceding lock core; The elasticity of lock pin back-moving spring has at least one to adopt the inclined-plane to contact with another greater than the locking side column back-moving spring in lock pin or the locking side column cell wall; 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 at the lock body afterbody with the rear lock core stop bit, the corresponding breach of opening with the lock pin chute on the step, lock pin in the 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 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.

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 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 partial top view of Fig. 5.

Fig. 7 is the structural representation of second embodiment of the utility model.

Fig. 8 is the partial top view of Fig. 7.

Fig. 9 is the different user mode schematic diagrames of Fig. 7.

Figure 10 is the partial top view of Fig. 9.

Figure 11 is the structural representation of the 3rd embodiment of the utility model.

Figure 12 is that the B-B of Figure 11 is to view.

Figure 13 to Figure 15 is the schematic diagram that partial blade adopts different grooves and different locking side column to match.

Figure 16 to Figure 18 is respectively the vertical view of locking side column among Figure 13 to Figure 15.

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, be provided with the locking side column 6 that can match in the locking side column groove 13 on the preceding lock core 1 with blade 3 upper grooves 15, 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, 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), insertion key 14 makes in the breach 5 of each blade 3 on locking side column 6 and moves in a circle, 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. 6), 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 a circle 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 the stuck location of pellet shot from a slingshot, when lock is got back to locking shown in Figure 5 again before the lock core state that can dally; 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. 7, Fig. 8, with the difference of embodiment 1 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.When unblanking (referring to Fig. 7, Fig. 8), because the elasticity of lock pin back-moving spring 8 is less than locking side column back-moving spring 2, in sinciput was gone forward side by side the lock pin chute, at this moment front and back lock core fused by locking side column 6 locking side column 6 with the lock pin in the rear lock core 7, and the relative rear lock core of preceding lock core can not dally; During locking (referring to Fig. 9, Figure 10), earlier preceding lock core 1 is rotated an angle (referring to Figure 10), because the lock pin runner wall adopts inclined-plane 16b to contact (referring to Fig. 8) with locking side column 6, the lock pin runner wall forces in the preceding lock core 1 of locking side column 6 withdrawals, make between locking side column 6 and the lock pin 7 contact end face just be in before and after the interface of two

lock cores

1,10, preceding lock core 1 relative rear lock core 10 and lock body 4 can relatively rotate, and realize 360 ° of idle running.

Embodiment 3

Figure 11, lock shown in Figure 12 are the locks that the utility model adopts twayblade.It is to be symmetrical arranged clutch structure same as the previously described embodiments in front and back lock core.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 180, blade 3 adopts different grooves 15 to match with different locking side column 6 as Figure 13.

Claims

1, a kind of idle running of blade construction lock, comprise 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, be provided with the locking side column that can match in the locking side column groove on the preceding lock core with the blade upper groove, locking side column is provided with the breach that can match with blade, is provided with the locking side column back-moving spring between the end wall of locking side column and locking side column groove; On rear 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 with the corresponding lock pin chute that is provided with of locking side column groove of preceding lock core; The elasticity of lock pin back-moving spring has at least one to adopt the inclined-plane to contact with another greater than the locking side column back-moving spring in lock pin or the locking side column cell wall; 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 at the lock body afterbody with the rear lock core stop bit, the corresponding breach of opening with the lock pin chute on the step, lock pin in the 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.