CN209538835U - A kind of lockset of graduated encoding - Google Patents

Abstract

The utility model relates to industrial anti-error system fields, refer specifically to a kind of lockset of graduated encoding, the lock core includes exterior cover pipeline and interior rotating cylinder, the interior rotating cylinder is set in the exterior cover pipeline and can rotate relative to the exterior cover pipeline, the first end of the interior rotating cylinder is closed, second end is equipped with the lockhole cooperated with the key, the interior rotating cylinder is equipped with more password pearls at aperture end, the inner wall of the exterior cover pipeline is equipped with the rotation stop groove cooperated with the password pearl, and the outer wall of the key is equipped with the decoding slot cooperated with the password pearl.The lockset replaces password pellet as addressable part using password pearl, and structure is relatively simple, is also easier to implement.The scope of activities of password pearl is smaller, and does not install spring, thus lock core be not susceptible to dystopy, it is stuck the problems such as.The lockset can be encoded according to position of the password pearl on the axial and circumferential of interior rotating cylinder, and this coding form is simple and easy, and is easily achieved the differentiated control of lockset.

Description

A kind of lockset of graduated encoding

Technical field

The utility model relates to industrial anti-error system fields, refer specifically to a kind of lockset of graduated encoding.

Background technique

The fields such as electric power, the energy, industrial and mineral enterprise is managed equipment, operates and overhauls or when failure emergent management, Due to being related to personal safety and equipment safety, all activities must all be executed according to stringent rules and regulations and working specification, To prevent accident, a set of anti-error system is generallyd use at present, the operation of equipment and related personnel are managed.

Terminal lock applied to above-mentioned anti-error system bottom is the important hardware device in system, this kind of industrial at present Lock is mostly tooth-shaped key lock, and this kind of lockset performance is not sufficiently stable, for example lock core deflects meeting when pellet non-normal reset Pellet dystopy is caused to cause lock core that can not open.And do not have grouping management function mostly, Yi Yinfa lockset be staggered and It opens by mistake, causes equipment fault and loss.

Summary of the invention

The main purpose of the utility model is to provide a kind of locksets stable and reliable for performance and can realizing hierarchical coding.

To achieve the above object, the utility model provides a kind of lockset of graduated encoding, including lock core and columnar key Spoon.The lock core includes exterior cover pipeline and interior rotating cylinder, and the interior rotating cylinder is set in the exterior cover pipeline and can the relatively described exterior cover pipeline rotation Turn.The first end of the interior rotating cylinder is closed, and second end is equipped with the lockhole cooperated with the key, and the first end of the interior rotating cylinder is set There is at least one for limiting the lock pin that the interior rotating cylinder is rotated relative to the exterior cover pipeline, is characterized in that, described interior turn The second end of cylinder is equipped with more password pearls, and the diameter of the password pearl is greater than the wall thickness of the interior rotating cylinder second end, the lockhole The multiple and isometrical seed pearl through-hole of the password pearl is radially provided on inner wall, the inner end of the seed pearl through-hole is equipped with position limiting convex ring. The inner wall of the exterior cover pipeline is equipped with the rotation stop groove that cooperate with the password pearl, the outer wall of the key equipped with it is described close The decoding slot of code pearl cooperation.

Above scheme replaces traditional password bullet with more password pearls being arranged on interior rotating cylinder according to certain coding rule Addressable part of the son as lockset, the amount of parts being related to is less, and structure is also relatively easy, is easier to implement.The work of password pearl Dynamic range is smaller, and does not install spring, therefore lock core is not susceptible to the failures such as dystopy, stuck in use.If lock core Any one interior password pearl and the side that decoding slot on the key mismatches the then password pearl can resist key sidewalls and with it is interior The inner wall of rotating cylinder flushes, and the other side will be embedded in rotation stop groove and internally the rotation composition of rotating cylinder stops.It can foundation in implementation process Position of the password pearl on the axial and circumferential of interior rotating cylinder encodes lockset, and this coding form is simple and easy, and easily In the differentiated control for realizing lockset.

Further embodiment is that the inner wall of the end face of the position limiting convex ring and the seed pearl through-hole is in cambered surface transition.

Position limiting convex ring end face and seed pearl through-hole transition are round and smooth, then password pearl is easier to that translation occurs and is turned in seed pearl through-hole Dynamic, motion process is more smooth, is not susceptible to abrasion and Caton.

Further embodiment is, along one of positioning convex tendon is axially arranged on the key sidewalls, to set on the lockhole inner wall There is the embeded slot with positioning convex tendon cooperation.

Since key is in the column of rule, is also aligned before being inserted into lockhole, otherwise matched even if with lock core It cannot complete to unlock.A set of location mechanism can be set between lock core and key after introducing convex ribs and embeded slot, moreover it is possible to reinforce key Cooperation between interior rotating cylinder prevents to relatively rotate.

Further embodiment is that the lock core includes multiple lock pins, and multiple lock pins are in pair in the circumferential direction of interior rotating cylinder Claim distribution.Preferable restriction effect is played in the rotation that circumferential symmetrically arranged multiple lock pins are capable of internal rotating cylinder, to interior will turn Cylinder is securely locked in exterior cover pipeline.

As the first specific implementation form of the utility model, edge is axially arranged with multiple tracks on the side wall of the lockhole bottom end Guide groove, the lock pin include radial spring and L-type pin, and the L type pin includes pin rod portion and pin head part, the pin rod portion Side be bonded with the lockhole inner wall, the pin head part is vertical at the one end in the pin rod portion and to pass through the guiding logical Slot, one end of the radial spring are butted on the lockhole bottom end, and the other end is butted on the end face in the pin rod portion.The exterior cover pipeline It is radially provided with the sliding slot of multiple tracks and pin head part outer end cooperation on inner wall, and is additionally provided on the inner wall of the exterior cover pipeline by institute The annular groove for having sliding slot to be connected to, the annular groove are identical as the width of the sliding slot and depth.

The end of key can directly act on L-type pin, and the outer end of pin head part is pushed into annular groove, to release lock pin The internal locking of rotating cylinder in the circumferential, unlock principle is simple, and the amount of parts being related to is also less, helps to simplify lock core knot Structure.Guide groove and sliding slot are all directed to pin head part and are limited, and can limit the axial movement of lock pin, prevent lock pin from occurring de- Position.

Further embodiment is that the middle part of the lockhole bottom end is equipped with a guide post, the end face of the guide post and institute The end face for stating key is adapted, and the side wall of the guide post is bonded with the side in the pin rod portion.

Introducing guide post can keep the axial operation of lock pin more smooth, and further prevent to limiting on the inside of pin rod portion Only lock pin is dislocated.

Further embodiment is that the end of the key is equipped with the card slot cooperated with the pin rod portion.

The cooperation of key Yu L-type pin end can be further strengthened by introducing card slot, prevented lock pin from dislocating, additionally aided simultaneously The second recodification mechanism of lockset is introduced, i.e., by introducing the different lock pin of pin rod minister degree, the different guiding of setting length is logical Slot realizes the secondary coding to lockset with sliding slot and in the end of key setting depth difference card slot.Specific coding mode and biography The pellet of system is similar, but more simple and easy, can be used as the auxiliaring coding means of lockset.

Further embodiment is that the inner wall of the lockhole is equipped with the guide groove cooperated with the pin rod portion.

Introduce guide groove can be to limiting, to preferably guide and limit lock pin in lock core on the outside of pin rod portion Movement.

As second of specific implementation form of the utility model, the lock core further includes a columnar magnetic barrier and reset Spring is radially provided with multiple ladder pin holes on the first end side wall of the interior rotating cylinder, be equipped at the bottom center of the lockhole with The consent of all ladder pin hole connections and the cover of the closing consent, the magnetic barrier and reset spring are set to the consent Interior, one end of the reset spring is connect with the cover, and the other end is connect with the magnetic barrier.

The lock pin is set in the ladder pin hole, and the lock pin includes radial spring and pin rod, and the pin rod includes bar Body and head, the diameter of the head are greater than the diameter of the shaft, and the end of the head is on the outside of the interior rotating cylinder, institute The side wall of the end and the magnetic barrier of stating shaft is engaged, and the radial spring is placed on the shaft, the ladder pin hole The pin hole inner segment that the pin hole outer segment and diameter that are adapted including diameter and the head and the shaft are adapted, the radial direction Spring one end is butted on the end face of the head, and the other end is butted on the step surface of the ladder pin hole.The end face of the key It is equipped with the blind hole isometrical with the cover, is equipped with magnetic patch in the blind hole.The exterior cover pipeline inner wall is equipped with and the head The pit of cooperation.

Magnetic barrier is moved up by the magnetic attraction of magnetic patch behind key insertion lockhole bottom and concedes the bottom space of consent, so that Shaft can be withdrawn into consent when interior rotating cylinder rotates, and such head can be fully retracted in ladder pin hole, to release The locking of internal rotating cylinder.Key can release the magnetic attraction to magnetic barrier after extracting, at this time in the end insertion pit of head, shaft End enters pin hole inner segment and concedes the bottom space of consent, and magnetic barrier, which is run under the action of reset spring to consent bottom, to be stopped Pin rod is withdrawn.

Detailed description of the invention

Fig. 1 is the cross-sectional view of embodiment one.

Fig. 2 is the cross-sectional view of the lock core of embodiment one.

Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at D.

Fig. 4 is the structural schematic diagram of the exterior cover pipeline of embodiment one.

Fig. 5 is the structural schematic diagram of the key of embodiment one.

Fig. 6 is the cross-sectional view of embodiment two.

Fig. 7 is the cross-sectional view of the lock core of embodiment two.

Fig. 8 is the enlarged structure schematic diagram in Fig. 7 at E.

Fig. 9 is the structural schematic diagram of the exterior cover pipeline of embodiment two.

Figure 10 is the structural schematic diagram of the key of embodiment two.

Figure 11 is the A class unlock code of embodiment two and the distribution type relation schematic diagram of code-locked.

Figure 12 is the B class unlock code of embodiment two and the distribution type relation schematic diagram of code-locked.

Figure 13 is the C class unlock code of embodiment two and the distribution type relation schematic diagram of code-locked.

Figure 14 is the differentiated control pattern diagram of embodiment two.

The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.

Specific embodiment

Embodiment one

Referring to Fig. 1 to 5, the lockset of graduated encoding includes lock core and columnar key 1 in the present embodiment.Lock core includes outer Cover cylinder 2 and interior rotating cylinder 3, interior rotating cylinder 3 are set in exterior cover pipeline 2 and can rotate relative to exterior cover pipeline 2.The first end of interior rotating cylinder 3 is closed, the Two ends are equipped with the lockhole 31 cooperated with key 1, and the first end of interior rotating cylinder 3 is equipped with 4 for limiting the opposite exterior cover pipeline 2 of interior rotating cylinder 3 The lock pin 4 of rotation, interior rotating cylinder 3 are equipped with 4 password pearls 5 at aperture end.

The diameter of password pearl 5 is greater than the wall thickness of interior 3 second end of rotating cylinder and is symmetric (i.e. in the circumferential direction of interior rotating cylinder 3 The angle that projection join line of the axis of adjacent two password pearls 5 and interior rotating cylinder 3 on interior 3 cross section of rotating cylinder is constituted is 90 °), The multiple and isometrical seed pearl through-hole 32 of password pearl 5 is radially provided on 31 inner wall of lockhole, the inner end of seed pearl through-hole 32 is equipped with limit convex Ring 33, the end face of position limiting convex ring 33 and the inner wall of seed pearl through-hole 31 are in cambered surface transition.The inner wall of exterior cover pipeline 2 is equipped with and password The rotation stop groove 21 that pearl 5 cooperates, the outer wall of key 1 are equipped with the decoding slot 11 cooperated with password pearl 5.

It may replace traditional password pellet as lock according to 4 password pearls 5 that certain coding rule is set on interior rotating cylinder 3 The coding means of tool, the amount of parts being related to is less, and structure is also relatively easy, is easier to implement.The scope of activities of password pearl 5 compared with It is small, and spring is not installed, therefore lock core is not susceptible to the failures such as dystopy, stuck in use, it is relatively stable reliable.If The side that decoding slot 11 in lock core on any one password pearl 5 and key 1 mismatches the then password pearl 5 can resist 1 side of key Wall is simultaneously flushed with the inner wall of interior rotating cylinder 3, and the other side will be embedded in rotation stop groove 21 and internally the rotation composition of rotating cylinder 3 stops.Implement Lockset can be encoded according to position of the password pearl 5 on the axial and circumferential of interior rotating cylinder 3 in the process, this coding form It is simple and easy, and can be realized the differentiated control of lockset.

Along one of positioning convex tendon 12 is axially arranged on the side wall of key 1,31 inner wall of lockhole is equipped with matches with positioning convex tendon 12 The embeded slot 34 of conjunction.4 lock pins 4 are symmetric in the circumferential direction of interior rotating cylinder 3, and position respectively with 45 phases of password pearl It is corresponding.In addition being readily apparent that the convex ribs for playing positioning action can also be arranged on 31 inner wall of lockhole, and will be matched Groove is arranged on 1 side wall of key.

The end of unlocking function is actually played in embodiment on key 1 in quadrangular shape, 4 decoding slots are set to 1 end of key On 4 ribs in portion, lockhole 31 is also provided accordingly to square hole.Exterior cover pipeline 2 is equipped with a barrel cover in one end corresponding with lockhole 31, The end of the hollow space of the barrel cover and key 1 is adapted, that is, be square it is poroid and be equipped on inner wall it is right with positioning convex tendon 12 The groove answered.

Along multiple tracks guide groove 35 is axially arranged on the side wall of 31 bottom end of lockhole, lock pin 4 includes radial spring 41 and L-type pin 42, L-type pin 42 includes pin rod portion 421 and pin head part 422, and the side in pin rod portion 421 is bonded with 31 inner wall of lockhole, pin head part 422 It is vertical at the one end in pin rod portion 421 and passes through guide groove 35, one end of radial spring 41 is butted on 31 bottom end of lockhole, another End is butted on the end face in pin rod portion 421.The sliding slot 22 of multiple tracks and the cooperation of 422 outer end of pin head part is radially provided on 2 inner wall of exterior cover pipeline, And the annular groove 23 for being connected to all sliding slots 22 is additionally provided on the inner wall of exterior cover pipeline 2, the width and depth of annular groove 23 and sliding slot 22 It is identical.

The end of key 1 can directly act on L-type pin 42, and the outer end of pin head part 422 is pushed into annular groove 23, thus Locking of the lock pin 4 to interior rotating cylinder 3 in the circumferential is released, unlock principle is simple, and the amount of parts being related to is also less, facilitates letter Change lock core structure.

The middle part of 31 bottom end of lockhole is equipped with a guide post 36, and the end face of guide post 36 and the end face of key 1 are adapted, And the side wall of guide post 36 is bonded with the side in pin rod portion 421.The end of key 1 is equipped with the card slot cooperated with pin rod portion 421 13.The guide groove 37 cooperated with pin rod portion 421 is additionally provided on the inner wall of lockhole 31.

Card slot 13, guide post 36, guide groove 37 are respectively used to reinforce key 1, interior turn together with guide groove 35 and sliding slot 22 The cooperation of cylinder 3 and outer rotaring tube 2 and lock pin 4, to preferably guide and limit movement of the lock pin 4 in lock core.

It introduces card slot 13 and additionally aids the second recodification mechanism introduced for lockset, i.e., by by the pin rod of different lock pins 4 Portion 421 is arranged to different length, and depth and the corresponding card slot 13 of different lock pins 4 is arranged in the end of key 1, in addition right again The length of guide groove 35 and sliding slot 22 adjusts accordingly the secondary coding achieved that lockset.Specific coding mode and biography The password pellet of system is similar, but more simple and easy, can be used as the auxiliaring coding means of lockset.

Reality is only provided with 4 straight troughs in the axial direction of 2 inner wall of exterior cover pipeline in embodiment, these straight troughs are in exterior cover pipeline 2 It is symmetric in circumferential direction, groove face is cambered surface, can function simultaneously as rotation stop groove 21 and sliding slot 22, and this set form can simplify The structure of exterior cover pipeline 2, and reduce its difficulty of processing.

Embodiment two

Referring to Fig. 6 to 10, the lockset of graduated encoding includes lock core and columnar key 200 in the present embodiment.Lock core packet Exterior cover pipeline 300 and interior rotating cylinder 400 are included, interior rotating cylinder 400 is set in exterior cover pipeline 300 and can rotate relative to exterior cover pipeline 300.Interior rotating cylinder 400 first end closing, second end are equipped with the lockhole 410 cooperated with key 200, and the first end of interior rotating cylinder 400 is equipped with 2 and is used for The second end of the lock pin 500 that rotating cylinder 400 is rotated relative to exterior cover pipeline 300 in limiting, interior rotating cylinder 400 is equipped with 4 password pearls 600.

The diameter of password pearl 600 is greater than the wall thickness of interior 400 second end of rotating cylinder and in the circumferential direction of interior rotating cylinder 400 in symmetrical It is distributed, the multiple and isometrical seed pearl through-hole 420 of password pearl 600, the inner end of seed pearl through-hole 420 is radially provided on 410 inner wall of lockhole Equipped with position limiting convex ring 430, the end face of position limiting convex ring 430 and the inner wall of seed pearl through-hole 410 are in cambered surface transition.Exterior cover pipeline 300 it is interior Wall is equipped with the rotation stop groove 310 cooperated with password pearl 600, and the outer wall of key 200 is equipped with the decoding cooperated with password pearl 600 Slot 210.

The encoding mechanism of the present embodiment is identical as the password pearl encoding mechanism in embodiment one, i.e., according to certain coding rule 4 password pearls 600 being then set on interior rotating cylinder 400 replace coding means of traditional password pellet as lockset.Implemented Lockset can equally be encoded according to position of the password pearl 600 on the axial and circumferential of interior rotating cylinder 400 in journey, and energy Enough realize hierarchical coding.

Along one of positioning convex tendon 220 is axially arranged on the side wall of key 200,410 inner wall of lockhole is equipped with and positioning convex tendon The embeded slot 440 of 220 cooperations.2 lock pins 500 are symmetric in the circumferential direction of interior rotating cylinder 400, and position is respectively with 2 Opposite password pearl 600 is corresponding, and (endpoint of i.e. 2 lock pins 500 and the axis of interior rotating cylinder 400 are in interior 400 cross section of rotating cylinder On projection join line be straight line).

The practical end for playing unlocking function of key 200 is cylindrical in embodiment, and exterior cover pipeline 300 is right with lockhole 410 The one end answered is equipped with a baffle, and the middle part of the baffle is equipped with the through-hole being adapted with key end, that is, includes a circular hole and be set to Bore edges notch corresponding with positioning convex tendon 220.

Lock core further includes a columnar magnetic barrier 700 and reset spring 800, radial direction on the side wall of interior 400 first end of rotating cylinder The consent 460 being connected to two ladder pin holes 450 and envelope are equipped with equipped with multiple ladder pin holes 450, at the bottom center of lockhole 410 The cover 470 in hole 460 is occluded, magnetic barrier 700 and reset spring 800 are set in consent 460, one end of reset spring 800 and cover Lid 470 connects, and the other end is connect with magnetic barrier 700.

Lock pin 500 is set in ladder pin hole 450, and lock pin 500 includes radial spring 510 and pin rod 520, and pin rod 520 includes Shaft 521 and head 522, the diameter of head 522 are greater than the diameter of shaft 521, and the end of head 522 is in outside interior rotating cylinder 400 Side and be in ball convex, the end of shaft 521 and the side wall of magnetic barrier 700 be engaged, and radial spring 510 is placed on shaft 521, Ladder pin hole 450 includes the pin hole that the pin hole outer segment 451 that diameter is adapted with head 522 and diameter and shaft 521 are adapted Inner segment 452,510 one end of radial spring are butted on the end face of head 522, and the other end is butted on the step surface of ladder pin hole 450. The end face of key 200 is equipped with the blind hole 230 isometrical with the cover 470, is equipped with magnetic patch 240 in blind hole 230.300 inner wall of exterior cover pipeline It is equipped with the pit 320 cooperated with head 522.

Key 200 moves up magnetic barrier 700 by the magnetic attraction of magnetic patch 240 after being inserted into 410 bottom of lockhole and concedes consent 460 bottom space, shaft 521 is withdrawn into consent 460, such head 522 when interior rotating cylinder 400 is rotated It can be fully retracted in ladder pin hole 450, to release the locking of internal rotating cylinder 400.Key 200 can release after extracting to magnetic The magnetic attraction of plug 700, at this time in the end insertion pit 320 of head 522,521 end of shaft, which enters pin hole inner segment and allows, leaves the boundary The bottom space in hole 460, magnetic barrier 700, which is run under the action of reset spring 800 to 460 bottom of consent, stops pin rod 520 to withdraw.

Similar with embodiment one, reality is also only straight provided with 4 in the axial direction of 300 inner wall of exterior cover pipeline in the present embodiment Slot, these straight troughs are symmetric in the circumferential direction of exterior cover pipeline 300, and groove face is cambered surface, and are functioned simultaneously as rotation stop groove 310 and slided Slot 320.

Figure 11 to 13 is the coding and distribution type relation schematic diagram of lock core and key in embodiment two.It is close by 4 at lock core end Code pearl is ranked up according to its sequence of positions (clockwise or counterclockwise) in interior rotating cylinder circumferential direction, and every password pearl is turned inside Three different locations in cylinder axial direction are identified with position code " 1 ", " 2 " and " 3 ", can obtain the code-locked of lock core.In key End, decoding slot can be divided into 6 kinds according to the unlock situation of the upward different location password pearl of internal rotating drum shaft and formulate corresponding class Type code, including A type type codes " A1 ", " A2 " and " A3 " (the password pearl that can be respectively 1,2,3 to position code is unlocked)；Type B Type codes " B1 " (can unlocked position code be 1 or 2 password pearl) and " B2 " (can unlocked position code be 2 or 3 password pearl), c-type Type codes " C " (can unlocked position code be 1,2 or 3 password pearl).By one on the key 4 decoding slot type codes according to lock The corresponding sequence of code is ranked up the unlock code that can just obtain the key afterwards.

Figure 14 is a kind of differentiated control pattern diagram for embodiment two, and the unlock code of I grade of management key is 4 A Type type codes, the unlock code of II grade of management key contain 2 Type B type codes and 2 A type type codes, the solution of III grade of management key Code-locked contains 2 c-type type codes and 2 A type type codes, and the unlock code of IV grade of management key contains 3 c-type type codes and 1 A type type codes, the unlock code of V grade of management key are 4 c-type type codes.Key can be divided into 5 by above-mentioned differentiated control mode A supervisory level, classification principle very simple theoretically can also mark off more supervisory levels, in addition be readily apparent that embodiment one Also it can realize that level-one is classified again according to L-type pin and card slot on the basis of the above.Therefore the lockset in two embodiments is all very easy In realization differentiated control.

Claims (9)

1. a kind of lockset of graduated encoding, including lock core and columnar key, the lock core includes exterior cover pipeline and interior rotating cylinder, institute Interior rotating cylinder is stated in the exterior cover pipeline and can be rotated relative to the exterior cover pipeline, the first end closing of the interior rotating cylinder, second end Equipped with the lockhole cooperated with the key, it is opposite for limiting the interior rotating cylinder that the first end of the interior rotating cylinder is equipped at least one The lock pin of the exterior cover pipeline rotation, it is characterised in that:

The interior rotating cylinder second end be equipped with more password pearls, the diameter of the password pearl is greater than the interior rotating cylinder second end Wall thickness is radially provided on the lockhole inner wall multiple with the isometrical seed pearl through-hole of the password pearl, the inner end of the seed pearl through-hole Equipped with position limiting convex ring, the inner wall of the exterior cover pipeline is equipped with the rotation stop groove cooperated with the password pearl, the outer wall of the key It is equipped with the decoding slot cooperated with the password pearl.

2. the lockset of graduated encoding as described in claim 1, which is characterized in that the end face of the position limiting convex ring with it is described embedding The inner wall of pearl through-hole is in cambered surface transition.

3. the lockset of graduated encoding as described in claim 1, which is characterized in that edge is axially arranged with one on the key sidewalls Road positioning convex tendon, the lockhole inner wall are equipped with the embeded slot cooperated with the positioning convex tendon.

4. the lockset of graduated encoding as described in claim 1, which is characterized in that the lock core includes multiple lock pins, multiple The lock pin is symmetric in the circumferential direction of interior rotating cylinder.

5. the lockset of the graduated encoding as described in any one of Claims 1-4, which is characterized in that the lockhole bottom end Side wall on along being axially arranged with multiple tracks guide groove, the lock pin includes radial spring and L-type pin, and the L-type pin includes pin rod Portion and pin head part, the side in the pin rod portion are bonded with the lockhole inner wall, and the pin head part is vertical at the pin rod portion One end simultaneously passes through the guide groove, and one end of the radial spring is butted on the lockhole bottom end, and the other end is butted on the pin rod On the end face in portion, the sliding slot of multiple tracks and pin head part outer end cooperation is radially provided on the exterior cover pipeline inner wall, and described outer The annular groove for being connected to all sliding slots, the width and deep equality of the annular groove and the sliding slot are additionally provided on the inner wall of cover cylinder.

6. the lockset of graduated encoding as claimed in claim 5, which is characterized in that the middle part of the lockhole bottom end is equipped with one The end face of guide post, the end face of the guide post and the key is adapted, and the side wall of the guide post and the pin rod The side in portion is bonded.

7. the lockset of graduated encoding as claimed in claim 5, which is characterized in that the end of the key is equipped with and the pin The card slot of bar portion cooperation.

8. the lockset of graduated encoding as claimed in claim 5, which is characterized in that the inner wall of the lockhole be equipped with it is described The guide groove of pin rod portion cooperation.

9. the lockset of the graduated encoding as described in any one of Claims 1-4, which is characterized in that the lock core also wraps A columnar magnetic barrier and reset spring are included, multiple ladder pin holes are radially provided on the side wall of the interior rotating cylinder first end, it is described It is equipped with the cover of the consent that be connected to all ladder pin holes and the closing consent at the bottom center of lockhole, the magnetic barrier and answers Position spring is set in the consent, and one end of the reset spring is connect with the cover, and the other end is connect with the magnetic barrier；

The lock pin is set in the ladder pin hole, and the lock pin includes radial spring and pin rod, the pin rod include shaft and Head, the diameter of the head are greater than the diameter of the shaft, and the end of the head is on the outside of the interior rotating cylinder, the bar The end of body and the side wall of the magnetic barrier are engaged, and the radial spring is placed on the shaft, and the ladder pin hole includes Pin hole outer segment and diameter that diameter and the head are adapted and the pin hole inner segment that the shaft is adapted, the radial spring One end is butted on the end face of the head, and the other end is butted on the step surface of the ladder pin hole, is set on the end face of the key There is the blind hole isometrical with the cover, magnetic patch is equipped in the blind hole, the exterior cover pipeline inner wall is equipped with to be cooperated with the head Pit.