CN201024747Y

CN201024747Y - Mechanical lock core

Info

Publication number: CN201024747Y
Application number: CNU2007200629220U
Authority: CN
Inventors: 张正凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-10
Filing date: 2007-04-10
Publication date: 2008-02-20
Anticipated expiration: 2017-04-10

Abstract

The utility model relates to a mechanical lock core, wherein a core body (2) is arranged in a vestibule (4) of a core print seat (3); a core cover (1) is connected with the vestibule wall of the core print seat (3); the core cover and the core body have a joint close or a joint plane (5) and a key hole (6) is arranged in the core cover; a vallecular cavity (7) is arranged in the upper end plane of the core body, is corresponding to the key hole (6) and is matched with the key; in the lower wall of the core print seat, a lock tongue mechanism (9) is arranged and comprises a tongue block (10) and a component (11); in a plurality of axial through holes (12) of the core cover, a cylinder (13) is arranged, the heights of all the cylinders (13) are smaller than the axial lengths of the through holes (12) and the heights are not the same to each other; a plurality of inner holes (14) which are corresponding to and are communicated with the through holes (14) are arranged in the core body, inside which a spring (15) and an inner cylinder (16) are arranged; the joint plane (17) of each inner cylinder and the corresponding cylinder (13) are arranged in different levels inside the through holes (12); a driving mechanism (18) which acts on the lock tongue mechanism (9) is arranged at the lower end of the core body.

Description

A kind of mechanical lock master

Affiliated technical field

The utility model relates to lock, specifically is a kind of lock core of mechanical lock.

Background technology

On November 19th, 2003, application for a patent for invention prospectus disclosed, that publication number is CN1456777A disclosed a kind of " dark stake lock core and flexible driving arm key ", dark stake lock core wherein 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, the quantity of dark stake can be one or two or is a plurality of, the function of dark stake is to stop non-valid key to be unblanked, the dark stake of this lock core 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 utility model provides a kind of mechanical lock master that improves theftproof performance.

The technical scheme that realizes the utility model purpose is as follows:

Referring to Fig. 1.This mechanical lock master, core cap 1 is arranged, core body 2 and

core print seat

3,3 have a uncovered vestibule 4 in the core print seat, core body 2 is positioned at vestibule 4, core cap 1 is connected with the vestibule wall of core print seat 3, with core body 2 cappings, there are a joint close or mating face 5 in the upper surface of the lower surface of core cap 1 and core body 2, the keyhole 6 that inserts for key is arranged on the core cap 1, core body 2 upper surfaces have one corresponding with keyhole 6, the vallecular cavity 7 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 2 can rotate in vestibule 4;

Be provided with spring bolt mechanism 9 in the lateral bore 8 of described core print seat 3 lower walls, spring bolt mechanism 9 comprises tongue piece 10 and acts on the member 11 of this tongue piece, spring bolt mechanism 9 is driven by the drives structure 18 of core body 2 lower ends, when core body 2 rotates, drives structure 18 promptly acts on spring bolt mechanism 9, the tongue piece 10 that drives spring bolt mechanism 9 is flexible, and tongue piece 10 stretches out promptly realizes locking (shown in the figure dotted line), opens when tongue piece 10 is contracted to shown position;

Be provided with some axially extending bores 12 in the described core cap 1, be provided with cylinder 13 in the through hole 12, the height of all cylinders 13 is all less than the axial length of through hole 12, and the height of each cylinder 13 is all inequality, under external force, cylinder 13 can produce in through hole 12 and move axially;

Be provided with the endoporus 14 that some and described through hole 12 is corresponding one by one and communicate in the described core body 2, be provided with spring 15 and inner cylinder 16 in the endoporus 14, spring 15 acts on

inner cylinder

16,13 times end in contact of inner cylinder 16 upper ends and corresponding cylinder constitute mating face 17, because the height of cylinder 13 is all less than the axial length of through hole 12, and the height of all cylinders 13 is all inequality, therefore, on each inner cylinder 16 and the different aspects in the mating face 17 of corresponding cylinder 13 all is in through hole 12, under the lock attitude, to stop core body 2 to rotate, under external force, inner cylinder 16 can produce and move axially; The lower end of core body 2 is provided with the drives structure 18 that acts on core print seat 3 bottom spring bolt mechanisms 9, and promptly when core body rotated, the tongue piece that 18 of drives structure drive in the spring bolt mechanism 9 was flexible.

The condition that this lock core is unlocked is, have only when the cylinder all in the core cap 1 13 and the mating face 17 of corresponding inner cylinder 16 all are positioned at the joint close of core cap and core body or mating face 5 simultaneously, can dial by key changes core body 2, and it is flexible that core body promptly drives tongue piece 10, promptly carries out locking or unlatching.

In order to be illustrated more clearly in the process that this lock core opens and closes, below to as follows with the key member and the switching process brief description thereof of this lock core coupling:

The key member that is used for the switching of the utility model lock core comprises key floppy disc 19 (see figure 8)s and key 20 (see figure 9)s.The process that opens and closes is carried out in two steps, at first key floppy disc 19 and lock core is achieved a butt joint and carries out corresponding operating, inserts key 20 then and dials and change, and core body 2 is rotated, thereby the tongue piece that drives spring bolt mechanism 9 is flexible.Detailed process is, at first key floppy disc 19 is combined with core cap 1 upper surface of lock core, and make the interior cylinder 13 of some depression bars 21 and core cap in the key floppy disc 19 corresponding one by one, by pressing down handle 22, connecting rod 23 lower ends are entered in the connecting hole 32 of the band draw-in groove on the core cap 1 (see Fig. 1, Fig. 7), reverse connecting rod 23, the fit structure of connecting rod 23 lower ends promptly enters the draw-in groove of connecting hole 32, promptly realize being connected of key floppy disc and lock core, reverse handle 22 then, driving screw member 24 rotates, pressing plate 25 is moved down, depression bar 21 promptly moves down, the cylinder 13 that promotes in the core cap 1 moves down, and inner cylinder 16 is moved down, when pressing plate 24 moves down into the position that sets, all cylinders 13 in the lock core are promptly all concordant consistent with the joint close or the mating face of core body with core cap with the mating face of corresponding inner cylinder 16, side direction switching handle 22 then inserts key 20 by the endoporus of connecting rod 23, and the key lower end is entered in the vallecular cavity 7 on the core body 2, reverse key again, core body promptly rotates, and the tongue piece 10 that the drives structure 18 of core body lower end promptly drives spring bolt mechanism stretches, thereby carries out locking or unlatching, when forward rotating, oppositely then be locking to unlatching.Behind locking, draw off key and key floppy disc, because spring 15 effect, all inner cylinders 16 and the mating face 17 of corresponding cylinder 13 promptly recover to make lock core be in the lock attitude on the different aspects in through hole 12.

Technique effect of the present utility model is:

1, since all inner cylinders 16 in the utility model core body 2 under spring 15 effects, make on each inner cylinder 16 and the different aspects in the mating face 17 of corresponding cylinder 13 all is in through hole 12, 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 the unlatching of the utility model lock core, must make all inner cylinders 16 and the mating face 17 of cylinder 13 all be positioned at the joint close or the mating face 5 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 effectively reduce the key member and illegally be made possibility of success, therefore anti-illegal performance of opening is good.

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

4, because core body of the present utility model is positioned at core print seat, core cap is connected the back and constitutes all-in-one-piece entity with core print seat, and installation is afterwards and in the use, is difficult to destroyedly, has firm in structure and reliable characteristics.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is further specified.

Fig. 1 is a structure sectional view of the present utility model, and determines that this figure is a Figure of abstract;

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

Fig. 3 is the structure chart of core body 2 in the utility model;

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

Fig. 5 is the enlarged drawing of the utility model substructure, has showed corresponding with it drives structure 18 on the spring bolt mechanism 9 of another kind of structure and the core body;

Fig. 6 is the cylinder 13 superstructure enlarged drawings in the core cap 1;

Fig. 7 is the enlarged drawing at keyhole 6 positions on core cap 1 axis;

Fig. 8 is the key floppy disc structure chart that is used to open and close the utility model lock core;

Fig. 9 is the Key structure figure that is used to open and close the utility model lock core.

The specific embodiment

Referring to Fig. 1.This mechanical lock master, comprise core cap 1, core body 2 and

core print seat

3,3 have a uncovered vestibule 4 in the core print seat, core body 2 is positioned at vestibule 4, core cap 1 is connected with the vestibule wall of core print seat 3, with core body 2 cappings, there are a joint close or mating face 5 in the upper surface of the lower surface of core cap 1 and core body 2, a keyhole 6 that supplies key to insert is vertically arranged on the core cap 1, core body 2 upper surfaces have one corresponding with keyhole 6, the vallecular cavity 7 that matches with key lower end opening structure, when key inserts and rotation, but and when lock core is in opening, be that core body 2 can rotate in vestibule 4 under the effect of external force at the key twisting resistance;

Be provided with spring bolt mechanism 9 in the lateral bore 8 of described core print seat 3 lower walls, spring bolt mechanism 9 comprises tongue piece 10 and acts on the member 11 of tongue piece 10, spring bolt mechanism 9 is driven by the drives structure 18 of core body 2 lower ends, when core body 2 rotates, drives structure 18 promptly acts on spring bolt mechanism 9, the tongue piece 10 that drives spring bolt mechanism 9 is flexible, and tongue piece 10 stretches out promptly realizes locking (shown in the figure dotted line), opens when tongue piece 10 is contracted to shown position; The form of structure of affiliated spring bolt mechanism 9 is not unique, shown in Fig. 1 wherein a kind of, spring bolt mechanism 9 has tongue piece 10, the member 11 that acts on tongue piece 10 is pin, this pin is connected in tongue piece 10 the inners, be the spring bolt mechanism 9 of band pin, the corresponding with it drives structure 18 in core body 2 bottoms 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 10 inner pins is positioned at this deep-slotted chip breaker, when core body 2 rotated, the drives structure of arc slot type was promptly ordered about this pin and is moved radially, thereby it is flexible to drive tongue piece 10; Fig. 5 has showed the spring bolt mechanism 9 of another kind of form of structure, core body 2 bottoms and this kind spring bolt mechanism 9 corresponding drives structure 18 have been showed simultaneously, this spring bolt mechanism 9 has tongue piece 10, the member 11 that acts on tongue piece 10 is stage clip 26, single order halfpace 27 is arranged on the tongue piece 10, stage clip 26 is loaded on outer section of tongue piece 10, and it is spacing by the link stopper 28 in the outside, the corresponding with it drives structure 18 in core body 2 bottoms is the cam-type structure, ladder platform 27 inner faces of tongue piece 10 engage with the cam surface of cam-type structure, when core body 2 rotates, the cam-type structure is rotated thereupon, when the inner face of tongue piece 10 is contacted with the low spot of cam surface, because stage clip 26 effects, the 10 inside indentations of tongue piece, be opening as shown in the figure, when the inner face of tongue piece 10 was contacted with the height point of cam surface, it is protruding that tongue piece 10 promptly overcomes the active force of stage clip 26, be locking, as shown in phantom in FIG..The drives structure 18 that spring bolt mechanism 9 of the present utility model and core body 2 bottoms are corresponding with it except that above-mentioned two kinds of form of structure, equally also can be other form of structure.

Be provided with some axially extending bores 12 in the described core cap 1, be provided with cylinder 13 in the through hole 12, the height of all cylinders 13 is all less than the axial length of through hole 12, its effect is that all inner cylinders 16 all are in the through hole 12 with the mating face 17 of corresponding cylinder 13, and the height of each cylinder 13 is all inequality, make on all inner cylinders 16 and the different aspects in the mating face 17 of corresponding cylinder 13 all is in through hole 12, under external force, cylinder 13 can produce and move axially, quantity is set is no less than 5 of cylinder 13, 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 12 shown in Figure 2 and the quantity of cylinder 13 are 20; The upper surface of described core cap 1 is provided with the seam 29 that engages with key floppy disc, also be provided with position limiting structure 30, referring to Fig. 1, Fig. 6, when the location structure on the key floppy disc was boss, described position limiting structure 30 was 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 13 is aimed at one by one with depression bar 21 (see figure 8)s in the key floppy disc; Fig. 6 is the top enlarged drawing of core cap 1 inner via hole 12 and cylinder 13, the fit structure of having showed cylinder 13 tops and through hole 12, there is a ladder boss 31 through hole 12 upper ends, and cylinder 13 tops are the ladder cylinder 33 that cooperates with it, and ladder boss 31 is used to stop cylinder 13 protruding; Fig. 7 is the partial enlarged drawing at keyhole 6 positions on core cap 1 axis, as shown in the figure, seam 29 end faces of core cap 1 have a connecting hole 32 that communicates with keyhole 6, on the wall in this connecting hole draw-in groove 34 is arranged, connecting hole 32 is used for the connecting rod lower end of the utility model key floppy disc and inserts, the fit structure that draw-in groove 34 is used for key floppy disc connecting rod lower end screws in, and at first realizes being connected of key floppy disc and the utility model lock core when opening and closing lock core to satisfy.

Be provided with the endoporus 14 that some and described through hole 12 is corresponding one by one and communicate in the described core body 2, be provided with spring 15 and inner cylinder 16 in the endoporus 14, the quantity of inner cylinder 16 and the cylinder 13 that is provided with in position and the core cap 1 are corresponding one by one, spring 15 acts on

inner cylinder

16,13 times end in contact of inner cylinder 16 upper ends and corresponding cylinder constitute mating face 17, because the height of the cylinder 13 in the core cap is all less than the axial length of through hole 12, and the height of all cylinders 13 is all inequality, therefore, on each inner cylinder 16 and the different aspects in the mating face 17 of corresponding cylinder 13 all is in through hole 12, under external force, inner cylinder 16 can move axially; The lower end of core body 2 is provided with the drives structure 18 that acts on core print seat 3 bottom spring bolt mechanisms 9, promptly when core body rotates, the tongue piece that 18 of drives structure drive in the spring bolt mechanism 9 is flexible, the form of structure of drives structure 18 is not unique, the structural change of drives structure 18 is promptly corresponding mutually with the variation of spring bolt mechanism 9, the front has exemplified two kinds of form of structure, no longer describes at this; The height dimension of described inner cylinder 16 can be all inequality, as shown in Figure 1, and in such cases, the height dimension of spring 15 can be unanimity, the height dimension of inner cylinder 16 also can be identical, and when the height of the inner cylinder 16 of some quantity was identical, then the length by regulating spring 15 realized coupling.

Described core body 2 upper surfaces have one corresponding with keyhole 6, the vallecular cavity 7 that matches with key lower end opening structure, see Fig. 1, Fig. 3 (Fig. 3 is the structure chart of core body 2), the form of structure of vallecular cavity 7 is corresponding with the opening structure of key 20 lower ends, as shown in Figure 9, key 20 lower ends are the square structure body, be Fig. 1, the vallecular cavity 7 of core body shown in Figure 3 upper surface is corresponding square structure vallecular cavity, when the opening structure of key 20 lower ends is segment, promptly this vallecular cavity 7 is the flat vallecular cavity, by that analogy, also can be other planforms, but the planform of both correspondences should satisfy and can drive core body 2 when key reverses and rotate.

Applicant's statement, any distressed structure on the utility model scheme basis all belongs to protection domain of the present utility model.

Claims

1. mechanical lock master is characterized in that:

1) core cap (1), core body (2) and core print seat (3) are arranged, (3) have a uncovered vestibule (4) in the core print seat, core body (2) is positioned at vestibule (4), core cap (1) is connected with the vestibule wall of core print seat (3), there are a joint close or mating face (5) in the upper surface of the lower surface of core cap (1) and core body (2), the keyhole (6) that inserts for key is arranged on the core cap (1), there is a vallecular cavity (7) corresponding with keyhole (6), that match with key lower end opening structure core body (2) upper surface, under external force, core body 2 can rotate in vestibule (4);

2) be provided with spring bolt mechanism (9) in the lateral bore (8) of described core print seat (3) lower wall, spring bolt mechanism (9) comprises tongue piece (10) and acts on the member (11) of this tongue piece;

3) be provided with some axially extending bores (12) in the described core cap (1), be provided with cylinder (13) in the through hole (12), the height of all cylinders (13) is all less than the axial length of through hole (12), and the height of each cylinder (13) is all inequality, and cylinder (13) can move axially in through hole (12);

4) be provided with the endoporus (14) that some and described through hole (12) is corresponding one by one and communicate in the described core body (2), be provided with spring (15) and inner cylinder (16) in the endoporus (14), spring (15) acts on inner cylinder (16), inner cylinder 16 upper ends and corresponding cylinder (13) end in contact down constitute mating face (17), on each inner cylinder (16) and the different aspects in the mating face (17) of corresponding cylinder (13) all is in through hole (12), inner cylinder (16) can move axially, and core body (2) lower end is provided with the drives structure (18) that acts on core print seat bottom spring bolt mechanism (9).

2. according to a kind of mechanical lock master of claim 1, it be the ladder cylinder (33) of cooperation with it that there are a ladder boss (31), described cylinder (13) top in through hole (12) upper end that it is characterized in that described core cap (1).

3. according to a kind of mechanical lock master of claim 2, it is characterized in that described core cap (1) upper surface is provided with the seam (29) that engages with key floppy disc and position limiting structure (30) is arranged, the end face of seam (29) has a connecting hole (32) that communicates with keyhole (6), and this connecting hole inwall has draw-in groove (34).

4. according to a kind of mechanical lock master of claim 1 or 2 or 3, it is characterized in that the member (11) in the described spring bolt mechanism (9) is a pin, pin is connected in tongue piece (10) the inner, the corresponding with it drives structure (18) in described core body 2 bottoms 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.

5. according to a kind of mechanical lock master of claim 1 or 2 or 3, the member (11) that it is characterized in that described spring bolt mechanism (9) is a stage clip (26), single order halfpace (27) is arranged on the described tongue piece (10), stage clip (26) is loaded on outer section of tongue piece (10), and it is spacing by the link stopper (28) in the outside, the corresponding with it drives structure (18) in described core body (2) bottom is the cam-type structure, and ladder platform (27) inner face of tongue piece (10) engages with the cam surface of cam-type structure.