CN102777077A

CN102777077A - Cam type permanent magnet digital marbles mechanical combination lock

Info

Publication number: CN102777077A
Application number: CN2012102627032A
Authority: CN
Inventors: 高洪林
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-07-27
Filing date: 2012-07-27
Publication date: 2012-11-14
Anticipated expiration: 2032-07-27
Also published as: CN102777077B

Abstract

The invention relates to a cam type permanent magnet digital marbles mechanical combination lock which comprises a copper lock core, a copper lock tongue, a steel plate, M steel digital cam disks (M is greater than 2 and smaller than 20), a set of permanent magnet marbles and a set of permanent magnet codeless marbles. N characters are engraved on an outer cylindrical surface of the steel digital cam disks, and N equally divided and corresponding cams are arranged on an inner cylindrical surface (N is greater than 10 and is smaller than 100), N dislocations form in the interval between the permanent magnet digital marbles and the permanent magnet codeless marbles under the transformation of the cams; when the interval aligns with the interval between the lock core and the lock tongue, the lock tongue thread slides backward under an upward starting force of an unlocking wheel thread shaft, otherwise the lock tongue can not slide. The cam type permanent magnet digital marbles mechanical combination lock has the beneficial effects that: production material range is wide, production cost is low due to few parts, quantity of password is large and the password possesses Mth power of N; moreover, no hand feel and no sound are produced during unlocking, so that professional unlocking can be effectively avoided, therefore a security coefficient is high, and the cam type permanent magnet digital marbles mechanical combination lock is applicable to needs in various occasions.

Description

The digital pellet shot from a slingshot mechanical code lock of cam-type permanent magnetism

Technical field

The present invention relates to a kind of coded lock, refer more particularly to the digital list mechanical code lock of a kind of cam-type permanent magnetism.

Background technology

Lock of the prior art has various ways; Prior art is generally used a kind of cylinder lock (as shown in Figure 1) that key is arranged; This lock will use key just can open lock; This lock is provided with core, core pellet shot from a slingshot, lock spring, spring, metal cover, dead bolt, lock bow, lock body, key, and key inserts core makes core pellet shot from a slingshot core pellet shot from a slingshot under the cooperation of key bit equate with the radius of core, thereby key can rotation lock core.The core that rotates cooperates with dead bolt lets lock bow under the effect of spring, eject, thereby reaches the purpose of unblanking.This lock is taken lock spring, core pellet shot from a slingshot, spring away and just can be reached the purpose of unblanking as long as pry open the metal cover of pellet shot from a slingshot; Also have this lock can be with the master key of comb shape by force the core pellet shot from a slingshot and the core face of cylinder is tangent also can reach the purpose of opening lock, this lock lets key loss cause security hidden trouble in addition easily.In order to address this problem a kind of patent lock that the gold point atomic lock has used the anti-violence of a kind of preventing universal key to unblank; This lock uses key vertically to insert from the core cylinder; Let and do vertical motion perpendicular to the vertical core pellet shot from a slingshot cooperation key flank of tooth of key inner cylinder, each vertical core pellet shot from a slingshot all has different rotation cuttings, and cutting is under the cooperation of the key flank of tooth; Vertical motion makes it aim at horizontal core pellet shot from a slingshot; Laterally the core pellet shot from a slingshot can be tangent with the core outer cylinder under the effect of spring force, thereby reach the purpose of unblanking, but still have the unsafe defective of key.Therefore, should further improve prior art.

Summary of the invention

The purpose of this invention is to provide the digital pellet shot from a slingshot mechanical code lock of a kind of cam-type permanent magnetism, to overcome the above-mentioned deficiency that present prior art exists.

The objective of the invention is to realize through following technical scheme:

The digital pellet shot from a slingshot mechanical code lock of a kind of cam-type permanent magnetism comprises steel U-shape lock bow and steel lock body, and steel U-shape lock bow flexibly connects through lock pin and steel lock body; Be provided with the sideslip groove in the steel lock body, be provided with copper core in the sideslip groove, copper core bottom is connected with steel plate; The steel plate below is provided with copper dead bolt; The left end of copper dead bolt is provided with the steel tapered end successively and the steel screw thread unblanks to take turns, and copper dead bolt is unblanked to take turns through dead bolt screw thread and steel screw thread and is connected, and said copper core is provided with protruding and several the porose convexities of atresia; The protruding bottom of atresia is provided with not through hole of a core, and said porose convexity is provided with the core through hole; Position between two porose convexities of copper core be provided with the pellet shot from a slingshot hole and with the corresponding fluting in center, pellet shot from a slingshot hole; The width of this fluting is provided with spring one less than the diameter in said pellet shot from a slingshot hole in the said core through hole, and spring one top is provided with place kick one; Spring one bottom is connected with steel plate; Be respectively equipped with on the said steel plate and said core not corresponding hemispherical through hole of through hole and said pellet shot from a slingshot hole and steel plate through hole, be provided with place kick two in the said hemispherical through hole, the top of place kick two is connected with spring two; Spring two tops are positioned at not through hole of said core; Place kick two bottoms cooperate with ball recess, and this ball recess is positioned on the top end face of said copper dead bolt, and a side of ball recess is provided with and the corresponding dead bolt of said steel plate through hole through hole not; Said dead bolt is not provided with permanent magnetism in the through hole does not have a yard pellet shot from a slingshot; Permanent magnetism does not have a yard pellet shot from a slingshot top and is provided with the digital pellet shot from a slingshot of permanent magnetism; The digital pellet shot from a slingshot of permanent magnetism is positioned at said pellet shot from a slingshot hole; Be with the ring-type steel combination disk that matches with the digital pellet shot from a slingshot of said permanent magnetism on the said steel lock body, ring is the cam-like structure in the said ring-type steel combination disk.

The outer shroud of said steel combination disk is provided with the dish at quarter of different letter and numbers; The number of the interior ring cam radii value of steel combination disk is more than or equal to 10; And smaller or equal to 100; The interior ring of steel combination disk is provided with several grooves that matches with said place kick one, and said groove coils corresponding one by one with the quarter on the steel combination disk outer shroud.

Be provided with the middle slideway that matches with said copper dead bolt in the sideslip groove of said steel lock body; Be arranged with the sunk screw special hole on the said steel plate; Said copper core is provided with the core screwed hole; Steel plate is connected with copper core through the cooperation of sunk screw and core screwed hole, and steel plate is positioned at sliding way, and the front end of said steel lock body is provided with one radially perpendicular to the perpendicular chute of sideslip groove.

The instrument lid that is provided with instrument cases and cooperates in the said steel lock body with instrument cases, the position that is positioned at said sideslip groove below on the said steel lock body is provided with glide path, and instrument cases one end is in said glide path, and the other end of instrument cases is in said steel tapered end.

Be provided with anti-skidding back-up ring between said steel tapered end and the steel lock body, anti-skidding back-up ring is embedded in the steel tapered end, and an end of steel lock body is provided with annular shallow slot, and said annular shallow slot cooperates with anti-skidding back-up ring.

Be provided with the lock hall in the said steel tapered end, an end of lock hall is provided with dead bolt screw thread storehouse and annular deep trouth successively, and the other end of lock hall is provided with lockhole.

Beneficial effect of the present invention is: the production material ranges is wide, and the few cost of production of component is low, and number of password is big, has the M power of N, and unblanking does not have feel, and voiceless sound can prevent effectively that occupation from unblanking, and safety factor is high, is suitable for the demand of various occasions.

Description of drawings

According to accompanying drawing the present invention is done further explain below.

Fig. 1 is the traditional locks sketch map that prior art is used;

Fig. 2 is the decomposing schematic representation of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Fig. 3 is the axonometric drawing such as grade of the steel plate end face of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Fig. 4 is the axonometric drawing such as grade of the steel plate bottom surface of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Fig. 5 is the axonometric drawings such as end face of the copper core of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Fig. 6 is the axonometric drawings such as bottom surface of the copper core of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Fig. 7 is the copper core vertical section sketch map of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Fig. 8 is the copper dead bolt vertical section sketch map of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Fig. 9 is the structural representation at the steel combination disk place, the digital pellet shot from a slingshot of permanent magnetism place of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Figure 10 is the locking-in state sketch map of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Figure 11 is the local enlarged diagram of Figure 10;

Figure 12 is the open mode sketch map of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Figure 13 is the local enlarged diagram of Figure 12;

Figure 14 is the steel combination disk of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention and the location structure sketch map of place kick;

Figure 15 is the axonometric drawings such as steel lock body of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention;

Figure 16 is the steel tapered end internal construction generalized section of the digital pellet shot from a slingshot mechanical code lock of the described cam-type permanent magnetism of the embodiment of the invention.

Among the figure:

1, copper core; 2, steel combination disk; 3, the steel screw thread unblanks to take turns; 4, steel lock body; 5, permanent magnetism does not have a yard pellet shot from a slingshot; 6, steel U-shape lock bow; 7, anti-skidding back-up ring; 8, steel tapered end; 9, steel plate; 10, copper dead bolt; 11, instrument cases; 12, instrument lid; 13, lock pin; 14, sunk screw; 15, place kick one; 16, spring one; 17, the digital pellet shot from a slingshot of permanent magnetism; 18, sideslip groove; 19, atresia is protruding; 20, porose convexity; 21, core through hole; 22, hemispherical through hole; 23, steel plate through hole; 24, hemispherical groove; 25, dead bolt through hole not; 26, sunk screw special hole; 27, dead bolt screw thread; 28, sliding way; 29, glide path; 30, perpendicular chute; 31, annular shallow slot; 32, core through hole not; 33, pellet shot from a slingshot hole; 34, core screwed hole; 35, middle slideway; 36, lock hall; 37, annular deep trouth; 38, dead bolt screw thread storehouse; 39, lockhole; 40, lock bow groove.

The specific embodiment

Shown in Fig. 2-9, the digital pellet shot from a slingshot mechanical code lock of the described a kind of cam-type permanent magnetism of the embodiment of the invention comprises steel U-shape lock bow 6 and steel lock body 4; Steel U-shape lock bow 6 flexibly connects through lock pin 13 and steel lock body 4; Be provided with sideslip groove 18 in the steel lock body 4, be provided with copper core 1 in the sideslip groove 18, copper core 1 bottom is connected with steel plate 9; Steel plate 9 belows are provided with copper dead bolt 10; The left end of copper dead bolt 10 is provided with steel tapered end 8 successively and unblanks to take turns 3 with the steel screw thread, and copper dead bolt 10 is unblanked to take turns 3 through dead bolt screw thread 27 and steel screw thread and is connected, and said copper core 1 is provided with atresia convexity 19 and several porose protruding 20; The bottom of atresia protruding 19 is provided with not through hole 32 of a core, and said porose protruding 20 are provided with core through hole 21; Position between two porose protruding 20 of copper core 1 be provided with pellet shot from a slingshot hole 33 and with the corresponding fluting in 33 centers, pellet shot from a slingshot hole; The width of this fluting is provided with spring 1 less than the diameter in said pellet shot from a slingshot hole 33 in the said core through hole 21, and spring one 16 tops are provided with place kick 1; Spring one 16 bottoms are connected with steel plate 9; Be respectively equipped with on the said steel plate 9 and said core not through hole 32 and said pellet shot from a slingshot hole 33 corresponding hemispherical through holes 22 and steel plate through holes 23, be provided with place kick two in the said hemispherical through hole 22, the top of place kick two is connected with spring two; Spring two tops are positioned at not through hole 32 of said core; Place kick two bottoms cooperate with ball recess 24, and this ball recess 24 is positioned on the top end face of said copper dead bolt 10, and a side of ball recess 24 is provided with and said steel plate through hole 23 corresponding dead bolts through hole 25 not; Said dead bolt is not provided with permanent magnetism in the through hole 25 does not have yard pellet shot from a slingshot 5; Permanent magnetism does not have yard pellet shot from a slingshot 5 tops and is provided with the digital pellet shot from a slingshot 17 of permanent magnetism; The digital pellet shot from a slingshot 17 of permanent magnetism is positioned at said pellet shot from a slingshot hole 33; Be with the ring-type steel combination disk 2 that matches with the digital pellet shot from a slingshot 17 of said permanent magnetism on the said steel lock body 4, ring is the cam-like structure in the said ring-type steel combination disk 2.

Shown in figure 15; Be provided with the middle slideway 35 that matches with said copper dead bolt 10 in the sideslip groove 18 of said steel lock body 4; Be arranged with sunk screw special hole 26 on the said steel plate 9, said copper core 1 is provided with core screwed hole 34, and steel plate 9 is connected with copper core 1 through the cooperation of sunk screw 14 and core screwed hole 34; Steel plate 9 is positioned at sliding way 28, and the front end of said steel lock body 4 is provided with one radially perpendicular to the perpendicular chute 30 of sideslip groove 18.

The instrument lid 12 that is provided with instrument cases 11 in the said steel lock body 4 and cooperates with instrument cases 11; The position that is positioned at said sideslip groove 18 belows on the said steel lock body 4 is provided with glide path 29; Instrument cases 11 1 ends are in said glide path 29, and the other end of instrument cases 11 is in said steel tapered end 8.

Be provided with anti-skidding back-up ring 7 between said steel tapered end 8 and the steel lock body 4, anti-skidding back-up ring 7 is embedded in the steel tapered end 8, and an end of steel lock body 4 is provided with annular shallow slot 31, and said annular shallow slot 31 cooperates with anti-skidding back-up ring 7.

Shown in figure 16, be provided with lock hall 36 in the said steel tapered end 8, an end of lock hall 36 is provided with dead bolt screw thread storehouse 38 and annular deep trouth 37 successively, and the other end of lock hall 36 is provided with lockhole 39.

The outer shroud of said steel combination disk 2 is provided with the dish at quarter of different letter and numbers; When rotating steel combination disk 2; Because the radius of each cam of combination disk is different, so just produce N different radius value (N more than or equal to 10, and smaller or equal to 100) diametrically; The interior ring overhead cam side of steel combination disk 2 is provided with the groove that several match with place kick, and said groove coils corresponding one by one with the quarter on steel combination disk 2 outer shrouds; Be provided with the middle slideway 35 that matches with said copper dead bolt 10 in the sideslip groove 18 of said steel lock body 4, the sliding way 28 of said steel plate 9 in sideslip groove 18 is installed in the first half in the sideslip groove 18; Be provided with annular anti-skidding deep trouth 37 in the said steel tapered end 8, deep trouth is embedded with anti-skidding back-up ring 7.

As shown in Figure 9; The digital pellet shot from a slingshot 17 of permanent magnetism is taken exercises with the variation of cam can being adsorbed on the combination disk cam under the effect of magnetic force diametrically; Permanent magnetism does not have yard pellet shot from a slingshot 5 has homopolarity to repel the magnetic characteristics that heteropole attracts with the digital pellet shot from a slingshot 17 of permanent magnetism; Utilize the digital pellet shot from a slingshot 17 of permanent magnetism not have the characteristic that yard pellet shot from a slingshot 5 attracts mutually with permanent magnetism, so permanent magnetism do not have yard pellet shot from a slingshot 5 and can follow the digital pellet shot from a slingshot 17 of permanent magnetism to do radial motion yet, at this moment digital pellet shot from a slingshot 17 of permanent magnetism and the permanent magnetism joining place that do not have a yard pellet shot from a slingshot 5 will produce N variation (N is more than or equal to 10; And smaller or equal to 100)

Like Figure 10 and shown in Figure 11, when producing dislocation, copper dead bolt 10 and copper core 1 are just by the pellet shot from a slingshot pinning, and copper dead bolt 10 can not move in the axial direction backward, and the steel screw thread unblanks to take turns 3 also just changes motionless, thereby reaches the purpose of having locked.Because being ends of passing steel U-shape lock bow 6, dead bolt 10 arrives 36 li of the lock halls of steel tapered end 8; So steel U-shape lock bow 6 is not opened, and the lockhole 39 of steel tapered end 8 is under the pulling of U-shape lock bow 6, so steel tapered end 8 can be in the axial direction to front slide; In order to strengthen lock bow anti-sled performance in the axial direction; The present invention has adopted perpendicular chute 30 to hook a lock bow groove 40 of an end of dead bolt top lock bow, again since the steel screw thread unblank to take turns 3 with steel tapered end 8 are matching relationships, can not do yet and endwisely slip so the steel screw thread unblanks to take turns 3; It also is matching relationship that steel combination disk 2 unblanks to take turns 3 with the steel screw thread; Steel combination disk 2 can not be in axial sliding yet, and copper core 1 is screw thread fixed relationships with steel plate 9, and steel plate 9 is matching relationships with the sliding way 28 of steel lock body 4; Because it is the end of slideway that sliding way leans on back (lining); Steel plate 9 receives the effect of a face of the sliding way end can not be more sliding backward, thus whole copper core 1 sliding on can not doing axially backward since the digital pellet shot from a slingshot 17 of part permanent magnetism and permanent magnetism do not have yard pellet shot from a slingshot 5 can be simultaneously 10 li of copper core 1, steel plate through hole 23 and copper dead bolts; Therefore copper dead bolt 10 can not be slided by the pellet shot from a slingshot pinning in the axial direction backward, and lock is not just opened yet.

Like Figure 12 and shown in Figure 13, when rotating steel combination disk 2 password change to the time, the bottom surface of the digital pellet shot from a slingshot 17 of permanent magnetism flushes with the bottom surface of steel plate 9; Permanent magnetism does not have the end face of yard pellet shot from a slingshot 5 and follows the end face of copper dead bolt 10 to flush, in order to touch the password that the present invention has also adopted the method for location fixedly to mix up about the password that is unlikely to mix up; Shown in figure 14; Adjust when correct at whole passwords, the one side of the digital pellet shot from a slingshot 17 of whole permanent magnetism all flushes with steel plate 9, and whole permanent magnetism does not have yard pellet shot from a slingshot 5 and all flushes with copper dead bolt 10; Rotate the steel screw thread and unblank to take turns 3 this moment; Copper dead bolt 10 gets into from sideslip groove 18 down in the lock body sliding backward in the axial direction under the startup of screw thread to cooperate at 18 li middle slideway of sideslip groove 35, and the digital pellet shot from a slingshot 17 of permanent magnetism this moment is by the absorption of steel combination disk 2 cams, and permanent magnetism does not have yard pellet shot from a slingshot 5 and adsorbed by steel plate 9.When copper dead bolt 10 does not pass the steel U-shape lock and bends 6 one ends; It is the center of rotation rotation with lock pin 13 that the steel U-shape lock bends 6 other ends; Lockset is just opened, and the forward landing of tapered end this moment on can not doing axially under the active force of back-up ring also can be changed password when lockset is opened.

When the user need change password, open lockset, grasp steel tapered end 8 and firmly pull out forward by axial direction; When tapered end is pulled out, the puller box 11 in order, instrument lid 12; The steel screw thread unblanks to take turns 3, steel combination disk 2, steel combination disk 2 necessary a certain optional network specific digits at this moment; That numeral that just corresponding cam radii is maximum; Otherwise copper core 1 also can be pulled out together with steel plate 9, copper dead bolt 10, changes digital pellet shot from a slingshot 17 sucking-offs of permanent magnetism to 1 li needs of copper core with the digital pellet shot from a slingshot 17 of other permanent magnetism commonly used in the instrument cases, changes again; Installing lock by opposite order this moment, and changed with regard to the password of accomplishing the digital pellet shot from a slingshot mechanical code lock of cam-type permanent magnetism this moment.

The present invention is not limited to above-mentioned preferred forms; Anyone can draw other various forms of products under enlightenment of the present invention; No matter but on its shape or structure, do any variation; Every have identical with a application or akin technical scheme, all drops within protection scope of the present invention.

Claims

1. the digital pellet shot from a slingshot mechanical code lock of a cam-type permanent magnetism; Comprise steel U-shape lock bow (6) and steel lock body (4), steel U-shape lock bow (6) flexibly connects through lock pin (13) and steel lock body (4), is provided with sideslip groove (18) in the steel lock body (4); Be provided with copper core (1) in the sideslip groove (18); It is characterized in that: copper core (1) bottom is connected with steel plate (9), and steel plate (9) below is provided with copper dead bolt (10), and the left end of copper dead bolt (10) is provided with steel tapered end (8) successively and the steel screw thread unblanks to take turns (3); Copper dead bolt (10) is unblanked to take turns (3) through dead bolt screw thread (27) and steel screw thread and is connected; Said copper core (1) is provided with atresia convexity (19) and several porose convexities (20), and the bottom of atresia protruding (19) is provided with not through hole (32) of a core, and said porose convexity (20) is provided with core through hole (21); Position between two porose convexities (20) of copper core (1) be provided with pellet shot from a slingshot hole (33) and with the corresponding fluting in center, pellet shot from a slingshot hole (33); The width of this fluting is less than the diameter in said pellet shot from a slingshot hole (33); Be provided with spring one (16) in the said core through hole (21); Spring one (16) top is provided with place kick one (15), and spring one (16) bottom is connected with steel plate (9), is respectively equipped with on the said steel plate (9) and said core not through hole (32) and corresponding hemispherical through hole in said pellet shot from a slingshot hole (33) (22) and steel plate through hole (23); Be provided with place kick two in the said hemispherical through hole (22); The top of place kick two is connected with spring two, and spring two tops are positioned at not through hole (32) of said core, and place kick two bottoms cooperate with ball recess (24); This ball recess (24) is positioned on the top end face of said copper dead bolt (10), and a side of ball recess (24) is provided with and the corresponding dead bolt of said steel plate through hole (23) through hole (25) not; Said dead bolt is not provided with permanent magnetism in the through hole (25) does not have a yard pellet shot from a slingshot (5); Permanent magnetism does not have a yard pellet shot from a slingshot (5) top and is provided with the digital pellet shot from a slingshot (17) of permanent magnetism; The digital pellet shot from a slingshot of permanent magnetism (17) is positioned at said pellet shot from a slingshot hole (33); Be with the ring-type steel combination disk (2) that matches with the digital pellet shot from a slingshot of said permanent magnetism (17) on the said steel lock body (4), ring is the cam-like structure in the said ring-type steel combination disk (2).

2. the digital pellet shot from a slingshot mechanical code lock of cam-type permanent magnetism according to claim 1; It is characterized in that: the outer shroud of said steel combination disk (2) is provided with the dish at quarter of different letter and numbers; The number of the interior ring cam radii value of steel combination disk (2) is more than or equal to 10; And smaller or equal to 100, the interior ring of steel combination disk (2) is provided with several grooves that matches with said place kick one (15), and said groove coils corresponding one by one with the quarter on steel combination disk (2) outer shroud.

3. the digital pellet shot from a slingshot mechanical code lock of cam-type permanent magnetism according to claim 2; It is characterized in that: be provided with the middle slideway (35) that matches with said copper dead bolt (10) in the sideslip groove (18) of said steel lock body (4); Be arranged with sunk screw special hole (26) on the said steel plate (9); Said copper core (1) is provided with core screwed hole (34); Steel plate (9) is connected with copper core (1) through the cooperation of sunk screw (14) and core screwed hole (34), and steel plate (9) is positioned at sliding way (28), and the front end of said steel lock body (4) is provided with one radially perpendicular to the perpendicular chute (30) of sideslip groove (18).

4. the digital pellet shot from a slingshot mechanical code lock of cam-type permanent magnetism according to claim 3; It is characterized in that: the instrument lid (12) that is provided with instrument cases (11) in the said steel lock body (4) and cooperates with instrument cases (11); The position that is positioned at said sideslip groove (18) below on the said steel lock body (4) is provided with glide path (29); Instrument cases (11) one ends are in said glide path (29), and the other end of instrument cases (11) is in said steel tapered end (8).

5. the digital pellet shot from a slingshot mechanical code lock of cam-type permanent magnetism according to claim 4; It is characterized in that: be provided with anti-skidding back-up ring (7) between said steel tapered end (8) and the steel lock body (4); Anti-skidding back-up ring (7) is embedded in the steel tapered end (8); One end of steel lock body (4) is provided with annular shallow slot (31), and said annular shallow slot (31) cooperates with anti-skidding back-up ring (7).

6. according to the digital pellet shot from a slingshot mechanical code lock of each described cam-type permanent magnetism of claim 1-5; It is characterized in that: be provided with lock hall (36) in the said steel tapered end (8); One end of lock hall (36) is provided with dead bolt screw thread storehouse (38) and annular deep trouth (37) successively, and the other end of lock hall (36) is provided with lockhole (39).