[summary of the invention]
Based on this, be necessary to provide the idle-run lock head clutch structure that a kind of diameter is less, length is short.
A kind of idle-run lock head clutch structure, the clutch that comprises lock core assembly in tapered end, installing and the tapered end, is oppositely arranged with the lock core assembly, described lock core assembly comprises lock core, be located at clutch-plate in the lock core, be located at the prevention element in the lock core, described clutch and lock core socket, described clutch-plate be provided with the first clutch wall that stops element to cooperate and with the second clutch wall of clutch engagement.
Preferably, be provided with a plurality of prevention elements in the described lock core, becoming to be uneven between the described prevention element is provided with and forms the tartar that stops element, and the described first clutch wall side pressure is checked the tartar that stops element synchronously and is connected with clutch engagement simultaneously.
Preferably, described prevention element is provided with the clutch breach with the first clutch wall interoperation, further is provided with in the described lock core with the return spring that stops element elasticity to be connected and reaches the bead sealing piece that is connected with return spring.
Preferably, described clutch is provided with the clutch breach with the second clutch wall interoperation.
Preferably, described clutch comprises base and is located at installation portion on the base that described installation portion and lock core are equipped with and are installed in the lock core.
Preferably, described lock core assembly further comprises clutch-plate spring that is connected with clutch-plate and the mounting that is connected with the clutch-plate spring, and described clutch-plate compression clutch-plate spring also supports on the prevention element.
Preferably, described clutch-plate is a laminated structure, and described clutch-plate is provided with the spring locating notch of location clutch-plate spring.
Preferably, described clutch sleeve is connected on the lock core afterbody, and described all that are installed in the lock core stop the clutch breach of elements to be aligned in described clutch-plate under the state of straight line enters the clutch breach of described prevention element and described clutch under the elastic force of described clutch-plate spring the clutch breach.
Preferably, further comprise the lock core dowel of pin joint lock core and tapered end and the clutch alignment pin of pin joint clutch and lock core, described lock core freely rotates with respect to tapered end, and described clutch freely rotates with respect to lock core.
Preferably, described tapered end is provided with the lock core locating hole, described lock core is provided with tapered end locating slot and clutch locating hole, described lock core dowel enters described tapered end locating slot by described lock core locating hole, described clutch is provided with locating slot, and described clutch alignment pin enters locating slot by the clutch locating hole.
The clutch of above-mentioned tapered end and lock core socket do not need to increase clutch cover and realize clutch idle running, thereby can not increase the diameter of tapered end in tapered end and lock core, make the diameter of whole tapered end less.Front and back lock core need be set, only need in lock core, just can realize clutch idle running by the socket clutch; And because clutch sleeve is connected on the length that also can not increase tapered end in the lock core.By being set on the clutch-plate, the first clutch wall and the second clutch wall cooperate with stoping element and clutch respectively, realize clutch action, thereby can realize the arbitrarily angled rotation of unauthorized limit key and not drive back clutch rotation, rotate a kind of novel clutch structure and authorize the arbitrarily angled insertion rotation of limit key can drive clutch.And whole clutch structure is simple, can effectively prevent technical or the violence unlatching owing to be in idling conditions under the tapered end normality, makes the tapered end safety higher.
[description of drawings]
Fig. 1 is the part-structure decomposing schematic representation of one embodiment of the invention;
Fig. 2 is another part STRUCTURE DECOMPOSITION schematic diagram of one embodiment of the invention;
Fig. 3 is the overall schematic of one embodiment of the invention;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the sectional view of the A-A direction of Fig. 3;
Fig. 6 is the sectional view of the B-B direction of Fig. 3;
Fig. 7 is the sectional view of the C-C direction of Fig. 3;
Fig. 8 is the perspective view of the lock core of one embodiment of the invention;
Fig. 9 is the elevation of the lock core of one embodiment of the invention;
Figure 10 is the structural representation at another visual angle of the lock core of one embodiment of the invention;
Figure 11 is the structural representation of the clutch-plate of one embodiment of the invention;
Figure 12 is the structural representation of the pellet shot from a slingshot of one embodiment of the invention;
Figure 13 enters the schematic diagram of pellet shot from a slingshot for the clutch-plate of one embodiment of the invention;
Figure 14 is the clutch-plate of one embodiment of the invention and the schematic diagram of pellet shot from a slingshot released state.
[specific embodiment]
Below in conjunction with accompanying drawing present embodiment is further detailed.
To shown in Figure 7, the tapered end of present embodiment comprises lock core assembly 2, clutch 3, tapered end 4 as Fig. 1.
Clutch 3 is by the afterbody of clutch alignment pin 5 pin joints at lock core assembly 2, and it can only radially freely rotate relative to lock core assembly 2, and lock core assembly 2 is pinned in the tapered end 4 by lock core dowel 6.Tapered end 4 is provided with lock core locating hole 42.
Lock core assembly 2 comprises lock core 20, clutch-plate 22, return spring 23, bead sealing piece 25, mounting 26, clutch-plate spring 27, stops element.Stop element to can be pellet shot from a slingshot or blade etc., its cross sectional shape can be set to circular or square or rhombus or polygon etc. as required.Stop element to adopt pellet shot from a slingshot 28 to describe in the present embodiment.Lock core assembly 2 comprises anti-drill pin 24 in addition.Be provided with a plurality of pellets shot from a slingshot 28 in the lock core 20 as required, the tartar that becomes to be uneven and be provided with and form pellet shot from a slingshot 28 between the pellet shot from a slingshot 28.
Lock core 20 also can freely rotate with respect to tapered end 4 by lock core dowel 6 pin joints with tapered end 4.Clutch 3 also can freely rotate with respect to lock core 20 by clutch alignment pin 5 and lock core 20 pin joints.
To shown in Figure 10, lock core 20 is provided with key 202, tapered end locating slot 203, clutch locating hole 204 (as shown in Figure 9), is used to place the clutch-plate standing groove 205 of clutch-plate 22, the spring eye 206 that is used for ccontaining clutch-plate spring 27, the anti-drilling pin-and-hole 207 that is used to place anti-drill pin 24, pellet shot from a slingshot hole 208, clutch putting hole 209 (as shown in Figure 8) as Fig. 8.
Return spring 23 is connected with pellet shot from a slingshot 28 elasticity, and bead sealing piece 25 is connected with return spring 23.Return spring 23 1 ends support on pellet shot from a slingshot 28 to pellet shot from a slingshot 28 provides elastic-restoring force, and the other end supports on bead sealing piece 25 and to rely on bead sealing piece 25 to carry out spacing.
As shown in figure 11, clutch-plate 22 is a laminated structure.Clutch-plate 22 is provided with respectively with pellet shot from a slingshot 28 and clutch 3 mating reactions and carries out the first clutch wall 220 of clutch and the second clutch wall 222, also is provided with and cooperates the spring locating notch 223 that is used to locate clutch-plate spring 27 with clutch-plate spring 27 simultaneously.In order better to locate clutch-plate spring 27, be provided with the sleeve column 224 of sheathed clutch-plate spring 27 in the present embodiment in the bottom of spring locating notch 223, to prevent 27 displacements of clutch-plate spring.Interfere during for fear of the first clutch wall 220 and 222 work of the second clutch wall, be provided with breach at interval between the first clutch wall 220 and the second clutch wall 222.
Clutch-plate spring 27 is contained in the spring locating notch 223 and is set in and positions and provide elastic-restoring force to clutch-plate 22 on the sleeve column 224.Mounting 26 is connected with clutch-plate spring 27 clutch-plate spring 27 is carried out spacing sealing.Clutch-plate 22 compression clutch-plate springs 27 also support on pellet shot from a slingshot 28.
As shown in figure 12, pellet shot from a slingshot 28 is provided with the clutch breach 280 that carries out interoperation with the first clutch wall 220 of clutch-plate 22.In the present embodiment, the clutch breach 280 of pellet shot from a slingshot 28 is located at a side of pellet shot from a slingshot 28.
Have only clutch 3 to rotate the unlocking action that whole tapered end just starts in the present embodiment.Clutch 3 comprises base 30 and the operate portions 36 that is connected with base 30.Operate portions 36 is provided with clutch breach 33 that cooperates with the second clutch wall 222 of clutch-plate 22 and the locating slot 32 that is used to locate.Operate portions 36 matches with the clutch putting hole 209 of lock core 20 and is provided with and is installed in the clutch putting hole 209.The second clutch wall 222 of clutch-plate 22 enters and drives clutch 33 in the clutch breach 33 of clutch 3 and rotate when unblanking, thereby carries out unlocking action.In the present embodiment, operate portions 36 is notched circulus.
During assembling, clutch 3 is inserted in the clutch putting hole 209 of lock core 20, insert in the clutch locating holes 204 and enter in the locating slot 32 of clutch 3 by clutch alignment pin 5, the axially-movable of constraint clutch 3 relative lock cores 20, and being undertaken spacingly by base 30, base 30 encapsulates simultaneously.Clutch 3 can only rotate relative to lock core 2.
Pellet shot from a slingshot 28 is placed in the pellet shot from a slingshot hole 208, and pellet shot from a slingshot 28 can move up and down and automatically reset by return spring 23.Clutch-plate 22 is put into clutch-plate standing groove 205 and is encapsulated in lock core 2 by clutch-plate spring 27 and mounting 26.
Lock core assembly 2 fits in the tapered end 4 by the cylindrical outer wall 201 of lock core 20 and the inside of tapered end 4, and lock core dowel 6 inserts the lock core locating hole 42 on the tapered ends 4 and enters the axially-movable (as shown in Figure 5) of tapered end locating slot 203 constraint lock cores 20 relative tapered ends 4 on the lock core 20.Lock core 20 freely rotates relative to tapered end 4.
Extremely shown in Figure 14 as Figure 13, after whole lock assembling is finished, in the key 202 in the unauthorized key insertion lock core 20, pellet shot from a slingshot clutch breach 280 on the pellet shot from a slingshot 28 is can not all align in alignment, this moment, the first clutch wall 220 of clutch-plate 22 can't insert in the pellet shot from a slingshot clutch breach 280 of all pellets shot from a slingshot 28, simultaneously the second clutch wall 222 can not insert in the clutch breach 33 on the clutch 3, lock core 20 can rotate arbitrarily along inwall 360 degree of tapered end 4, rotate but can't start clutch 3, realize that unauthorized key inserts back idle running.Since after unauthorized key inserts, key, lock core 20 is in invalid idling conditions, and unlocking tools such as master key can not find dials the unlatching fulcrum that pressure sensitivity is felt.And the unlimited rotatory of lock core 20 even lock core 20 is when gravity impact caves in, still is in disengaged position with clutch-plate 22, can not drive clutch 3 and rotate, can be effectively anti-drilling, pick-proof, anti-collision, anti-technical opening.
In the key 202 that authorized key 1 inserts in the lock core 20, all pellets shot from a slingshot 28 of installing move down in the lock core 20, pellet shot from a slingshot clutch breach 280 all aligns of all pellets shot from a slingshot 28 of installing and in alignment in the lock core 20, this moment, clutch-plate 22 was under the elastic force of clutch-plate spring 27, the first clutch wall 220 and the second clutch wall 222 insert respectively in the clutch breach 280 and the clutch breach 33 on the clutch 3 of pellet shot from a slingshot 28, this moment, clutch 3 relative lock core 20 lockings became one, key 1 rotation can drive clutch 3 and rotate synchronously, carries out unlocking action.
Can adopt in addition in the present embodiment soffit on the clutch breach 280 of pellet shot from a slingshot 28 is arranged to an inclined-plane or the soffit of the first clutch wall 220 of clutch-plate 22 is arranged to an inclined-plane.When taking out key, pellet shot from a slingshot 28 is return under the elastic force of return spring 23, clutch-plate 22 skids off along the inclined-plane on the clutch breach 280 or pellet shot from a slingshot 28 slips off from the inclined-plane that clutch-plate 28 is provided with, the external surface that clutch-plate 22 compression clutch-plate springs 27 support at pellet shot from a slingshot 28, the second clutch wall 222 of clutch-plate 22 withdraws from from the clutch breach 33 of clutch 3 simultaneously, and clutch 3 resets.Present embodiment also can adopt other modes to reset.
Tapered end adopts clutch 3 and lock core 20 sockets in the present embodiment, the tartar while and clutch 3 type of attachment side compression type clutch structures of pellet shot from a slingshot 28 checked in clutch-plate 22 side pressures synchronously, can realize the arbitrarily angled rotation of unauthorized limit key and not drive clutch 3 rotations, and authorize the frame mode that can drive a kind of novel idle rotation on-off of clutch 3 rotations when limitting the arbitrarily angled insertion of key to rotate.Adopt because clutch 3 is socketed in and can increase whole tapered end diameter and length in the lock core 20, and clutch 3 is simple in structure, whole clutch structure is also simple, and installs simple and conveniently, and fail-safe is very high.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.