CN101029543B

CN101029543B - Mechanical lock

Info

Publication number: CN101029543B
Application number: CN200710034697A
Authority: CN
Inventors: 张正凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-09
Filing date: 2007-04-09
Publication date: 2010-05-19
Anticipated expiration: 2027-04-09
Also published as: CN101029543A

Abstract

A lock is composed by lock core and locker, key plate and key. Lock core includes core cover, core and core base. There is a joint surface between core cover and core. Key hole and key pass are installed on the core cover. There is a groove on the top end of the core. A lock tongue driven by the core is installed on the core base. There are several columns of different height fixed in the core cover, corresponding to inner columns fixed in the core, with the contacting points on different surfaces. The key plate includes handle and jointing part which has a key pass on it. Moving handle makes press bar pushing down columns into the core, so drives the lock tongue.

Description

A kind of mechanical lock

Affiliated technical field

The present invention relates to lock, specifically is a kind of lock of frame for movement.

Background technology

On November 19th, 2003 is disclosed, publication number is that the application for a patent for invention prospectus of CN1456777A discloses a kind of " dark stake lock core and flexible driving arm key ", lock core is made up of dark stake seat and dark stake, dark stake is installed on the dark stake seat, dark stake seat is located at the next door of lock body keyhole, key is by key bar, flexible driving arm, logical stake hole, little axle, torsion spring is formed, by little axle and torsion spring key bar and flexible driving arm are linked together, dark stake can be one or two or is a plurality of, and by quantity, the positional alignment combination, the function of dark stake is to stop non-valid key to be unblanked, dark stake is located in the lock body, can't see the syntagmatic of dark stake quantity and position, improve the pick-proof ability, had certain theftproof performance.

Summary of the invention

The purpose of this invention is to provide a kind of mechanical lock, can improve theftproof performance.

The technical scheme that realizes the object of the invention is as follows:

This mechanical lock comprises lock body and key member, and described key member comprises key floppy disc and key;

Referring to Fig. 1, described lock body comprises lock core 1 and snap close 2, lock core 1 comprises core cap 3, core body 4 and

core print seat

5,5 have uncovered vestibule 6 in the core print seat, core body 4 is positioned at vestibule 6, core cap 3 is connected with the vestibule wall of core print seat 5, with core body 4 cappings, there are joint close or mating face 7 in the upper surface of the lower surface of core cap 3 and core body 4, connecting hole 8 is arranged on the core cap 3 and communicate with connecting hole 8, keyhole 9 for the key insertion, connecting hole 8 inwalls have draw-in groove 50, see Fig. 1, Fig. 7, core body 4 upper surfaces have one with keyhole 9 vallecular cavities 10 corresponding and that match with key lower end opening structure, when the key lower end is inserted and reversed, and when but lock core was in opening, under external force promptly, core body 4 can rotate in vestibule 6; Be provided with spring bolt mechanism 12 in the lateral bore 11 of described core print seat 5 lower walls, spring bolt mechanism 12 comprises tongue piece 13 and acts on the member 14 of this tongue piece, spring bolt mechanism 12 is driven by the drives structure 15 of core body 4 lower ends, when core body 4 rotates, drives structure 15 promptly acts on spring bolt mechanism 12, and the tongue piece 13 that drives spring bolt mechanism 12 is flexible; Be provided with some axially extending bores 16 in the described core cap 3, be provided with cylinder 17 in the through hole 16, the height of all cylinders 17 is all less than the axial length of through hole 16, and the height of each cylinder 17 is all inequality, under external force, cylinder 17 can produce in through hole 16 and move axially; Be provided with the endoporus 18 that some and described through hole 16 is corresponding one by one and communicate in the described core body 4, be provided with spring 19 and inner cylinder 20 in the endoporus 18, spring 19 acts on inner cylinder 20,17 times end in contact of inner cylinder 20 upper ends and corresponding cylinder constitute mating face 21, because the height of cylinder 17 is all less than the axial length of through hole 16, and the height of all cylinders 17 is all inequality, therefore, on each inner cylinder 20 and the different aspects in the mating face 21 of corresponding cylinder 17 all is in through hole 16, under the lock attitude, to stop core body 4 to rotate, under external force, inner cylinder 20 can move axially; Core body 4 lower ends are provided with the drives structure 15 that acts on core print seat 5 bottom spring bolt mechanisms 12, and promptly when core body rotated, the tongue piece 13 that 15 of drives structure drive in the spring bolt mechanism 12 was flexible; Described snap close 2 cooperates with the tongue piece 13 of spring bolt mechanism;

Described key member comprises key floppy disc 22 and key 23, referring to Fig. 1, Fig. 8, key floppy disc 22 comprises disk body 24, threaded fitting 25, disk body 24 lower wall surfaces cooperate with lock core core cap 3 upper surfaces, cavity 26 is arranged in the disk body 24, the two ends of threaded fitting 25 are connected to the last lower wall of disk body 24, and can rotate, be provided with pressing plate 27 and depression bar 28 in the cavity 26, pressing plate 27 is positioned at the top of cavity 26, and with the threaded engagement of threaded fitting 25, when threaded fitting 25 rotates, pressing plate can be gone up or move down, the quantity of depression bar 28 and that the position is set is corresponding one by one with cylinder 17 in the described core cap 3, depression bar 28 is provided with boss 29, depression bar is divided into hypomere, boss 29 on all depression bars all is on the differing heights, the upper end of depression bar 28 is positioned at the pilot hole 30 of pressing plate 27, pressing plate 27 can move up and down along depression bar 28 epimeres, the lower end of depression bar 28 is positioned at the hole 31 of disk body 24 lower walls, the hypomere of depression bar 28 is equipped with spring 32, spring 32 acts on depression bar 28, when pressing plate pushes the boss 29 of depression bar in folding process, the lower wall of the extended disk body 24 of the hypomere of depression bar 28, because the boss 29 on all depression bars all is on the differing heights, promptly to stretch out the length of disk body 24 lower walls all different for all depression bar hypomeres; Be provided with connector 33 in the pore of described threaded fitting 25, the epimere of connector 33 is protruding, connector 33 can move axially in the pore of threaded fitting 25, there is the fixture block 34 that matches with connecting hole 8 inner card cages 50 on the lock core core cap 3 connector 33 bottoms, see Fig. 8, the top of connector 33 is provided with tumbler 35, the fulcrum 36 at tumbler 35 two ends is connected with two support arms of handle 37 respectively, handle can be along fulcrum 36 switchings, described tumbler 35 lower surfaces are provided with screens structure 51 with threaded fitting 25 upper ends and match to merge and can dial the structure 38 of changeing threaded fitting, see Fig. 8, connector 33 upper ends are provided with swing handle 39, reverse swing handle connector 33 is rotated, the heart hole 40 of inserting for key 23 lever arms is arranged in the connector 33.

Described key 23 lower ends are provided with the opening structure 41 that matches with lock core core body 4 upper surface vallecular cavities 10 and can dial commentaries on classics core body 4.

The present invention opens and closes process and carries out in two steps, at first key floppy disc 22 and lock core is achieved a butt joint and carries out corresponding operating, inserts key 23 then and dials and change, and core body 4 is rotated, thereby the tongue piece that drives spring bolt mechanism 12 is flexible.Detailed process is, at first key floppy disc 22 is engaged with core cap 1 upper surface of lock core, and make the interior cylinder 17 of some depression bars 28 and core cap in the key floppy disc 22 corresponding one by one, by pressing down handle 37 or connector 33, connecting rod 33 lower ends are entered on the core cap 3 in the connecting hole 8 of band draw-in groove (see Fig. 1, Fig. 7), even reversing connector 33 key floppy discs realizes being connected with lock core, reverse handle 37 then, driving screw member 25 rotates, ordering about pressing plate 27 moves down, promptly push the boss 29 of depression bar in the pressing plate folding process, 28 of depression bars move down, the cylinder 17 that promptly promotes in the core cap 3 moves down, and inner cylinder 20 is moved down, when pressing plate 27 moves down into the position that sets, all cylinders 17 in the lock core are promptly all concordant consistent with the joint close or the mating face 7 of core body with core cap with the mating face 21 of corresponding inner cylinder 20, side direction switching handle then, key 23 is inserted in heart hole 40 by connector 33, and the key lower end is entered in the vallecular cavity 10 on the core body 4, and reversing key again, core body promptly rotates, the tongue piece 13 that the drives structure 15 of core body lower end promptly drives spring bolt mechanism stretches, thereby carrying out locking or unlatching, when forward rotating to unlatching, oppositely then is locking.Behind locking, draw off key and key floppy disc, because spring 19 effect, all inner cylinders 20 and the mating face 21 of corresponding cylinder 17 promptly recover to make lock core be in the lock attitude on the different aspects in through hole 16.

Technique effect of the present invention is:

1, since lock core of the present invention in all inner cylinders 20 under the effect of spring 19, make on each inner cylinder 20 and the different aspects in the mating face 21 of corresponding cylinder 17 all is in through hole 16, and the many different factors of formation lock attitude, therefore, the lock core structure performance is good, the lock state property can be high, improved theftproof performance.

2, because unlatching of the present invention, must make all inner cylinders 20 and the mating face 21 of cylinder 17 all be positioned at the joint close or the mating face 7 of core cap and core body simultaneously, therefore need to adopt consistent and pass through the key member of configuration meticulously with the lock core structure performance, because lock core structure performance height, the illegal key member of making is difficult to reach the desired structural performance of lock core, can reduce the key member effectively and illegally be made possibility of success, therefore anti-illegal performance of opening is good.

3, at first use key floppy disc because the present invention adopts, and then to reverse the opening structure of core body, to have increased the difficulty of illegally being opened, thereby further improved lock state property energy by key.

4, constitute all-in-one-piece entity owing to lock body of the present invention connects the back by core cap, core body, core print seat, install in back and the use, be difficult to destroyedly, have firm in structure and reliable characteristics.

Description of drawings

The present invention is further described below in conjunction with the drawings and specific embodiments.

Fig. 1 is a topology view of the present invention, has showed to constitute lock body of the present invention and key member, and has determined that this figure is a Figure of abstract;

Fig. 2 is the vertical view of lock body 1;

Fig. 3 is core body 4 structure charts of the present invention;

Fig. 4 is the upward view of Fig. 3;

Fig. 5 is lock body 1 a substructure enlarged drawing, has showed on the spring bolt mechanism 12 of another kind of structure and the core body 4 and spring bolt mechanism 12 corresponding drives structure 15;

Fig. 6 is the cylinder 17 superstructure enlarged drawings in the core cap 3;

Fig. 7 is the enlarged drawing at keyhole 9 positions on the core cap 3;

Fig. 8 is the structure enlarged drawing of key floppy disc 22.

The specific embodiment

Referring to Fig. 1.This mechanical lock comprises lock body and key member; Described lock body comprises lock core 1 and snap close 2, and lock body is connected (on door body and doorframe) on the object that is employed, and lock core 1 comprises core cap 3, core body 4 and core print seat 5;

5 have a uncovered vestibule 6 in the core print seat, core body 4 is positioned at vestibule 6, core cap 3 is connected with the vestibule wall of core print seat 5, with core body 4 cappings, there are joint close or mating face 7 in the upper surface of the lower surface of core cap 3 and core body 4, connecting hole 8 is arranged on the core cap 3 and communicate with connecting hole 8, keyhole 9 for the key insertion, connecting hole 8 inwalls have draw-in groove 50, see Fig. 1, Fig. 7, core body 4 upper surfaces have one corresponding with keyhole 9, the vallecular cavity 10 that matches with key lower end opening structure, when the key lower end is inserted and is reversed, but and when lock core is in opening, under external force promptly, core body 4 can rotate in vestibule 6;

Be provided with spring bolt mechanism 12 in the lateral bore 11 of core print seat 5 lower walls, spring bolt mechanism 12 comprises tongue piece 13 and acts on the member 14 of tongue piece 13, spring bolt mechanism 12 is driven by the drives structure 15 of core body 4 lower ends, when core body 4 rotates, drives structure 15 promptly acts on spring bolt mechanism 12, the tongue piece 13 that drives spring bolt mechanism 12 is flexible, and tongue piece 13 stretches out promptly to cooperate with snap close 2 realizes locking (shown in the figure dotted line), opens when tongue piece 13 is contracted to shown position; The form of structure of affiliated spring bolt mechanism 12 is not unique, shown in Fig. 1 wherein a kind of, spring bolt mechanism 12 has tongue piece 13, the member 14 that acts on tongue piece 13 is pin, pin is connected in the inner of tongue piece 12, be the spring bolt mechanism 12 of band pin, the corresponding drives structure 15 of core body 4 bottoms and spring bolt mechanism 12 is for can drive the deep-slotted chip breaker that pin moves radially, see Fig. 3, Fig. 4 (Fig. 4 is the upward view of Fig. 3), the epimere of tongue piece 13 inner pins is positioned at this deep-slotted chip breaker, when core body 4 rotated, the drives structure 15 of deep-slotted chip breaker form was promptly ordered about this pin and is moved radially, thereby it is flexible to drive tongue piece 13; Fig. 5 has showed the spring bolt mechanism 12 of another kind of form of structure, core body 4 bottoms and this kind spring bolt mechanism 12 corresponding drives structure 15 have been showed simultaneously, this spring bolt mechanism 12 has tongue piece 13, the member 14 that acts on tongue piece 13 is stage clip 42, single order halfpace 43 is arranged on the tongue piece 13, stage clip 42 is loaded on outer section of tongue piece 13, and it is spacing by the link stopper 44 in the outside, core body 4 bottoms and spring bolt mechanism 12 corresponding drives structure 15 are the cam-type structure, ladder platform 43 inner faces of tongue piece 13 engage with the cam surface of cam-type structure, when core body 4 rotates, the cam-type structure is rotated thereupon, when the inner face of tongue piece 13 is contacted with the low spot of cam surface, because stage clip 42 effects, the 13 inside indentations of tongue piece are opening as shown in the figure; When the inner face of tongue piece 13 was contacted with the height point of cam surface, it is protruding that tongue piece 13 promptly overcomes the active force of stage clip 42, promptly cooperates with snap close 2 to realize locking, as shown in phantom in FIG..Except that above-mentioned two kinds of form of structure, equally also there are other form of structure in the drives structure 15 that spring bolt mechanism 12 of the present invention is corresponding with core body 4 bottoms.

Be provided with some axially extending bores 16 in the core cap 3, be provided with cylinder 17 in the through hole 16, the height of all cylinders 17 is all less than the axial length of through hole 16, and the height of each cylinder 17 is all inequality, under external force, cylinder 17 can produce in through hole 16 and move axially, quantity is set should be no less than 5 of cylinder 17, but 50 of as many as or above 50, the quantity that is provided with is many more, the lock state property can be good more, is not easy more illegally to be opened, and the through hole 16 shown in Figure 2 and the quantity of cylinder 17 are 20; The upper surface of described core cap 3 is provided with the seam 45 that engages with key floppy disc, also be provided with position limiting structure 46, referring to Fig. 1, Fig. 6, when the location structure on the key floppy disc 47 is boss, described position limiting structure 46 is corresponding groove, otherwise otherwise, position limiting structure is except that described, also can be other forms, the effect of position limiting structure is that cylinder 17 is aimed at one by one with the depression bar 28 in the key floppy disc;

Fig. 6 is core cap 3 inner via holes 16 and cylinder 17 superstructure enlarged drawings, the fit structure of having showed cylinder 17 tops and through hole 16, there is a ladder boss 48 through hole 16 upper ends, the ladder cylinder 49 of cylinder 17 tops for matching with through hole in the ladder boss 48, ladder boss 48 is used to stop cylinder 17 protruding;

Fig. 7 is the partial enlarged drawing at keyhole 9 positions on the core cap 3, as shown in the figure, seam 45 end faces of core cap 3 have connecting hole 8, connecting hole 8 is with keyhole 9 coaxial lines and communicate, connecting hole 8 inwalls have draw-in groove 50, connecting hole 8 is used for connector 33 lower ends of key floppy disc of the present invention and inserts, and the fixture block 34 that draw-in groove 50 is used for key floppy disc connector lower end screws in, and makes key floppy disc and lock body at first realize being connected when opening and closing lock to satisfy.

Be provided with the endoporus 18 that some and described through hole 16 is corresponding one by one and communicate in the core body 4, be provided with spring 19 and inner cylinder 20 in the endoporus 18, spring 19 acts on inner cylinder 20, the quantity of the cylinder 17 in inner cylinder 20 and the core cap 3 is consistent, 17 times end in contact of inner cylinder 20 upper ends and corresponding cylinder constitute mating face 21, because the height of cylinder 17 is all less than the axial length of through hole 16, and the height of all cylinders 17 is all inequality, therefore, on each inner cylinder 20 and the different aspects in the mating face 21 of corresponding cylinder 17 all is in through hole 16, to stop core body 4 to rotate under the lock attitude, under external force, inner cylinder 20 can move axially; Core body 4 lower ends are provided with the drives structure 15 that acts on core print seat bottom spring bolt mechanism 12, and promptly when core body rotated, the tongue piece 13 that 15 of drives structure drive in the spring bolt mechanism 12 was flexible; The form of structure of described drives structure 15 is not unique, and the structural change of drives structure 15 is promptly corresponding mutually with the variation of spring bolt mechanism 12, and the front has exemplified two kinds of form of structure, no longer describes at this; The height dimension of described inner cylinder 20 can be all inequality, and as shown in Figure 1, in such cases, the height dimension of spring 19 can be unanimity; The height dimension of inner cylinder 20 also can be identical, and when the height of the inner cylinder 20 of some quantity was identical, then the length by regulating spring 19 realized coupling;

Core body 4 upper surfaces have one corresponding with keyhole 9, the vallecular cavity 10 that matches with key lower end opening structure 41, see Fig. 1, Fig. 7, the form of structure of vallecular cavity 10 is corresponding mutually with the opening structure 41 of key lower end, the opening structure 41 of key 23 lower ends is the square structure body as shown in fig. 1, be Fig. 1, the vallecular cavity 10 of core body shown in Figure 74 upper surfaces is corresponding square structure vallecular cavity, when the opening structure 41 of key 23 lower ends is segment, the structure of vallecular cavity 10 is corresponding flat vallecular cavity, by that analogy, also can be other planforms, but the planform of both correspondences should satisfy and can drive core body 4 when key 23 reverses and rotate.Described snap close 2 cooperates with the tongue piece 13 of spring bolt mechanism, and its form of structure is not unique;

Key member of the present invention comprises key floppy disc 22 and key 23, sees Fig. 1, Fig. 8:

Key floppy disc 22 comprises disk body 24, threaded fitting 25, and disk body 24 lower wall surfaces cooperate with core cap 3 upper surfaces of lock core, and cavity 26 is arranged in the disk body 24, and the two ends of threaded fitting 25 are connected to the last lower wall of disk body 24, and can rotate; Be provided with pressing plate 27 and depression bar 28 in the cavity 26, pressing plate 27 is positioned at the top of cavity 26, and with the threaded engagement of threaded fitting 25, when threaded fitting 25 rotates, because the effect of threaded engagement, pressing plate can be gone up or move down, the quantity of depression bar 28 and that the position is set is corresponding one by one with cylinder 17 in the described core cap 3, depression bar 28 is provided with boss 29, depression bar is divided into hypomere, boss 29 on all depression bars all is on the differing heights, and when the differing heights parameter of boss 29 was set, the joint close or the mating face 7 that should be able to make the mating face 21 of all cylinders 17 and inner cylinder all can be positioned at core cap and core body simultaneously after moving down were complementary; The upper end of depression bar 28 is positioned at the pilot hole 30 of pressing plate 27, pressing plate 27 can move up and down along depression bar 28 epimeres, the lower end of depression bar 28 is positioned at the hole 31 of disk body 24 lower walls, the hypomere of depression bar 28 is equipped with spring 32, spring 32 acts on depression bar 28, when pressing plate pushes the boss 29 of depression bar in folding process, under external force promptly, the lower wall of the extended disk body 24 of the hypomere of depression bar 28, because the boss 29 on all depression bars all is on the differing heights, promptly all depression bar hypomeres length of stretching out disk body 24 lower walls is all different, the cylinder 17 that promotes in the core cap 3 when the hypomere of depression bar 28 stretches out disk body 24 lower walls moves down, when pressing plate 27 promotion depression bars 28 were displaced downwardly to the value that sets, promptly all inner cylinders 20 were all concordant consistent with the joint close or the mating face 7 of core body with core cap with the mating face 21 of cylinder 17; Be provided with connector 33 in the pore of described threaded fitting 25, the epimere of connector 33 is protruding, connector 33 can move axially in the pore of threaded fitting 25, and there is the fixture block 34 that matches with connecting hole 8 inwall draw-in grooves 50 on the lock core core cap 3 connector 33 bottoms, see Fig. 8; The top of connector 33 is provided with tumbler 35, and tumbler 35 can rotate around connector, and the fulcrum 36 at tumbler 35 two ends is connected with two support arms of handle 37 respectively, and handle can be along fulcrum 36 switchings; Described tumbler 35 lower surfaces are provided with screens structure 51 with threaded fitting 25 upper ends and match to merge and can dial the structure 38 of changeing threaded fitting, as shown in Figure 8, when the structure 38 of tumbler 35 lower surfaces is boss, the screens structure 51 of threaded fitting 25 upper ends is corresponding groove, when the structure 38 of tumbler 35 lower surfaces is groove, then the screens structure 51 of threaded fitting 25 upper ends is corresponding boss, and in addition, both also can be the fit structure of other form; Connector 33 upper ends are provided with swing handle 39, reverse swing handle, and connector 33 rotates thereupon; The heart hole 40 of inserting for key 23 lever arms is arranged in the connector 33; Be provided with in the cavity 26 of described disk body and act on the spacing member 53 that pressing plate moves down, the outer wall at connector 33 middle parts is provided with guide ledges 52.

Applicant's statement, any distressed structure on the present invention program basis all belongs to protection scope of the present invention.

Claims

1. a mechanical lock is characterized in that comprising lock body and key member, and described key member comprises key floppy disc and key;

1) described lock body comprises lock core (1) and snap close (2), lock core (1) has core cap (3), core body (4) and core print seat (5), uncovered vestibule (6) is arranged in the core print seat (5), core body (4) is positioned at vestibule (6), core cap (3) is connected with the vestibule wall of core print seat (5), there are joint close or mating face (7) in core cap (3) lower surface and core body (4) upper surface, connecting hole (8) is arranged on the core cap (3) and communicate with connecting hole (8), keyhole (9) for the key insertion, connecting hole (8) inwall has draw-in groove (50), there is a vallecular cavity (10) corresponding with keyhole (9) and that match with key lower end opening structure core body (4) upper surface, core body (4) can rotate in vestibule (6), be provided with spring bolt mechanism (12) in the lateral bore (11) of described core print seat (5) lower wall, spring bolt mechanism (12) comprises tongue piece (13) and acts on the member (14) of this tongue piece, be provided with some axially extending bores (16) in the described core cap (3), be provided with cylinder (17) in the through hole (16), cylinder (17) can move axially, the height of all cylinders (17) is all less than the axial length of through hole (16), and the height of each cylinder (17) is all inequality, be provided with the endoporus (18) that some and described through hole (16) is corresponding one by one and communicate in the described core body (4), be provided with spring (19) and inner cylinder (20) in the endoporus (18), spring (19) acts on inner cylinder (20), inner cylinder (20) can move axially, inner cylinder (20) upper end and corresponding cylinder (17) end in contact down constitute mating face (21), on each inner cylinder (20) and the different aspects in the mating face (21) of corresponding cylinder (17) all is in through hole (16), core body (4) lower end is provided with the drives structure (15) that acts on core print seat bottom spring bolt mechanism (12), and described snap close (2) cooperates with the tongue piece (13) of spring bolt mechanism;

2) described key floppy disc (22) comprises disk body (24), threaded fitting (25), disk body (24) lower wall surface is used for cooperating with described core cap (3) upper surface, cavity (26) is arranged in the disk body (24), the two ends of threaded fitting (25) are connected to the last lower wall of disk body (24), and can rotate, be provided with pressing plate (27) and depression bar (28) in the cavity (26), pressing plate (27) is positioned at cavity (26) top, and with the threaded engagement of threaded fitting (25), the quantity of depression bar (28) and the cylinder (17) that is provided with in position and the described core cap (3) thereof are corresponding one by one, depression bar (28) is provided with boss (29), boss on all depression bars (29) all is on the differing heights, the upper end of depression bar (28) is positioned at the pilot hole (30) of pressing plate (27), the lower end of depression bar (28) is positioned at the hole (31) of disk body (24) lower wall, the hypomere of depression bar (28) is equipped with spring (32), spring (32) acts on depression bar (28), the lower wall of the extended disk body of hypomere (24) of depression bar (28), be provided with connector (33) in the pore of described threaded fitting (25), the epimere of connector (33) is protruding, connector (33) can move axially in the pore of threaded fitting (25), there is the fixture block (34) that matches with connecting hole (8) inwall draw-in groove (50) on the core cap connector (33) bottom, the top of connector (33) is provided with tumbler (35), the fulcrum (36) at tumbler (35) two ends is connected with two support arms of handle (37) respectively, tumbler (35) lower surface is provided with screens structure (51) with threaded fitting (25) upper end and matches to merge and can dial the structure (38) of changeing threaded fitting, connector (33) upper end is provided with swing handle (39), and the heart hole (40) of inserting for key (23) lever arm is arranged in the connector (33);

3) described key (23) lower end is provided with the opening structure (41) that matches with core body upper surface vallecular cavity (10) and can dial commentaries on classics core body (4).

2. according to a kind of mechanical lock of claim 1, it is characterized in that being provided with the spacing member (53) that acts on pressing plate (27) in the cavity (26) of key floppy disc.

3. according to a kind of mechanical lock of claim 2, it is characterized in that there is a ladder boss (48) through hole (16) upper end of described core cap (3), the ladder cylinder (49) of described cylinder (17) top for matching with through hole in the ladder boss (48).

4. according to a kind of mechanical lock of claim 3, it is characterized in that described core cap (1) upper surface is provided with seam (45) and the position limiting structure (46) that engages with key floppy disc.

5. according to a kind of mechanical lock of claim 4, it is characterized in that connecting hole (8) is positioned at seam (45) end face of core cap (3), and with keyhole (9) coaxial line.

6. according to a kind of mechanical lock of claim 5, it is characterized in that on connector (33) the middle part outer wall of key floppy disc guide ledges (52) being arranged.

7. according to a kind of mechanical lock of one of claim 1-6, the member (14) that it is characterized in that acting in the described spring bolt mechanism (12) tongue piece (13) is a pin, pin is connected in the inner of tongue piece (13), described core body (4) the bottom drives structure (15) corresponding with spring bolt mechanism (12) is for can drive the deep-slotted chip breaker that pin moves radially, and the top of described pin is positioned at deep-slotted chip breaker.

8. according to a kind of mechanical lock of one of claim 1-6, the member (14) that it is characterized in that acting in the described spring bolt mechanism (12) tongue piece (13) is a stage clip (42), single order halfpace (43) is arranged on the described tongue piece (13), stage clip (42) is loaded on the outer section of tongue piece (13), and it is spacing by the link stopper (44) in the outside, described core body (4) the bottom drives structure (15) corresponding with spring bolt mechanism (12) is the cam-type structure, and ladder platform (43) inner face of tongue piece (13) engages with the cam surface of cam-type structure.