CN2337254Y

CN2337254Y - Mechanical keying puzzle lock

Info

Publication number: CN2337254Y
Application number: CN 98232764
Authority: CN
Inventors: 赵小平
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-06-04
Filing date: 1998-06-04
Publication date: 1999-09-08
Anticipated expiration: 2008-06-04

Abstract

The utility model relates to a mechanical lock, particularly a mechanical key password which can produce a lock rod with a plurality of groups of passwords through a key and transmission and can achieve the goals of reliable locking and convenient unlocking. The utility model is mainly composed of a key plate, a lock plate, a hook plate, a hook plate supporting base, a key, a lock rod, etc. The key plate is a rectangular plate and is provided with the key, the lock rod, the lock plate, etc. The automatic locking or unlocking is achieved through the key and a transmission mechanism. The utility model has the characteristics of more combined passwords, high security, no need of carrying the key, firmness, durability, strong anti-impact force, etc. The utility model can be used for various security cabinets of families, hotels, and warehouses and other objects needing locks.

Description

Mechanical key cipher lock

The utility model relates to a kind of mechanical lock, particularly a kind of by button, transmission can through permutation and combination form multiple cipher locking bar, finish the mechanical key cipher lock of locking and unblanking.

In existing technical scheme, general mechanical lock needs key operated, and key must be carried, and will make troubles in case lose; Electronic password lock though overcome the worry of carrying key, because of it is active electric, once circuit or power supply break down, more can be made troubles, and its anti-impact force is poor in addition, and destruction is easy to have an accident.

The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and provide a kind of by the button transmission can through permutation and combination form multiple cipher locking bar, drive jam plate automatically lock or open, reach to the greatest extent lock reliable, unblank conveniently, the mechanical key cipher lock of strong security.

The solution that realizes the utility model purpose is: a kind of mechanical key cipher lock, comprise a key plate, a jam plate, a guide strip, one group of hook plate bearing, one group of hook plate, the orifice plate that falls, one group of button, one group of locking bar and unknown locking bar and a plurality of spring, its special character is: described key plate is a rectangular slab, have one group of horizontal stroke on it, the square hole of perpendicular equal distribution, the rear side in this prescription hole has hole, a garden, on it between vertical square hole along before, the rear is to the limit keyseat fixedly is housed, its top by the equidistant secured in parallel of the support at four angles install also have with its on, a vertical down corresponding prescription hole and the panel in hole, a garden, between itself and the panel along last, in the following corresponding square hole one by one correspondence be equipped with one group movingly and have wedge shape and stride pin, and h shape button by spring on keeping a foothold, it is housed, the upper end extending panel of button, the lower surface of button is concordant with the soffit of described key plate, when button is pressed, press the spring compression, the angle of wedge that wedge shape is striden pin can insert in the described limit keyseat in the slit between ball, described limit keyseat is a garden cylindricality hollow section, its middle part is along on the axis, following symmetrical grooving is exposed endoporus, cover the termination that a spring fixedly is housed respectively through spring in its two ends endoporus, in the interior hole slot between two springs one group of ball is housed successively, the number of ball is its left side, the distribute integral multiple of key number sum of right both sides, the length of ball string should be equal to or greater than the front end face of first button of the described key plate of one side front to the distance between the rear end face of the last button of back; Described jam plate is a rectangular slab, also be provided with one group and the corresponding lockhole of described key plate on it, the back of this group lockhole is provided with a square opening, its left side, right both sides by guide groove be installed on movingly described key plate below, its upper surface pastes mutually with the soffit of described key plate and can be before it, slide in the back, when it slides on leading section and its front end dead bolt is all stretched out, one group of lockhole on it just with described key plate on a prescription hole vertical one by one corresponding, square opening on it also with the key plate on the hole, garden vertical corresponding, both sides, its rear end are respectively equipped with a snap that links to each other with described key plate both sides, under the pulling force of snap, the position that can make it be in leading section and dead bolt is all stretched out, be inserted with a flag-shaped rotor in its square opening, the shank of rotor penetrates the hole, garden on the described key plate, pass the hole, garden of described panel again through lining, and handle fixedly is housed in the upper end of its handle; Described guide strip is a rectangular slab, by the equidistant below that is anchored on described jam plate of the support at four angles and parallel with jam plate, also have on it with described key plate on the vertical corresponding prescription hole mutually of square hole; Described hook plate bearing is a cylindricality plate, respectively by the horizontal equidistant parallel below that is anchored on described guide strip of two supports in front-end and back-end, and before guide strip, the back is parallel along face, its left side, right both ends and middle part are respectively equipped with hook plate rotating shaft installing hole and spring base installing hole, before it, the interior left side of hook plate rotating shaft installing hole that back both sides are corresponding respectively, the right side is parallel is equipped with one group of hook plate movingly by the hook plate rotating shaft, described hook plate is a rectangular slab, before it, back upper surface have between phase of equality from top to bottom one group with described guide strip before, the rear to the vertical corresponding hook groove of square hole, the notch of each hook groove is equipped with a shank movingly, before it, the top of rear end face also is provided with rotating shaft, and connect movingly by connecting rod that constitute can be around a hook plate rotating shaft left side, the parallelogram of right swing, before the interior edge of described spring base installing hole, after spring base vertically is housed, before the spring base, rearward end is equipped with tension spring respectively, one end of tension spring is stuck on the described hook plate bearing, the other end then presses the left plate of described hook plate, makes a left side, right hook plate is around hook plate rotating shaft interlock left; The described orifice plate that falls also is rectangular slab, also is anchored on the below of described hook plate by the support at four angles, and parallel with described guide strip, also be provided with on it with described guide strip on the vertical one group of corresponding through hole of square hole; Described locking bar is a cylindrical rod, which is provided with a latch hook, do not move to cooperate and pass the square hole on the described guide strip and enter in the corresponding lockhole of described jam plate in its top, and paste mutually with the lower surface of described button vertical rod, the hook spring is housed after the left surface of described hook plate, its end is inserted in the described pairing hole of orifice plate that falls on the bar of its underpart, one end of described hook spring is a support with the lower surface of described latch hook, and the other end serves as to rely on to produce tension force with the upper surface of the described orifice plate that falls then; The structure and the mounting means of described unknown locking bar and described locking bar are identical, institute's difference is: its upper end is shorter than a jam plate thickness of described locking bar just, can not enter in the lockhole of described jam plate so its upper end, back is installed, the angle between the latch hook inclined-plane on it and its axial ray of lock rod inclined-plane is all greater than the axis of described locking bar and the angle between its latch hook inclined-plane in addition; Described base plate also is a rectangular slab, and is anchored on the bottom by the support at four angles.

Locking bar described in the utility model and unknown locking bar number sum generally are made as 12, also can be less than or more than this number, but its described press bond number should with both sum correspondent equals, the ratio of locking bar and unknown locking bar should be advisable greater than unknown locking bar number with the locking bar number.

Accompanying drawing has been described a preferred embodiment of the present utility model.

Fig. 1 is the structure principle chart of the utility model embodiment.

Fig. 2, Fig. 3, Fig. 4 are the structure principle charts of the utility model part.

Below in conjunction with accompanying drawing content of the present utility model is described in detail.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 knows: the utility model comprises a key plate 8, a jam plate 9, a guide strip 11, one group of hook plate bearing 21, one group of hook plate 14, the orifice plate 30 that falls, one group of button 3, one group of locking bar 28 and unknown locking bar 27 and a plurality of spring, described key plate 8 is a rectangular slab, have one group of horizontal stroke on it, the square hole of perpendicular equal distribution, the rear side in this prescription hole has hole, a garden, on it between vertical square hole along before, the rear is to limit keyseat 7 fixedly is housed, its top support 10 equidistant parallel installations by four angles also have with its on, a vertical down corresponding prescription hole and the panel 1 in hole, a garden, between itself and the panel 1 along last, in the following corresponding square hole one by one correspondence be equipped with one group movingly and have wedge shape and stride pin 33, and h shape button 3 by spring 4 on keeping a foothold, it is housed, the upper surface of described panel 1 is stretched out in the upper end of button 3, the lower surface of button 3 is concordant with the soffit of described key plate 8, when button 3 is pressed, press spring 4 compressions, the angle of wedge that wedge shape is striden pin 33 can insert in the slit of 5 on described limit keyseat 7 interior balls, described limit keyseat 7 is a garden cylindricality hollow section, its middle part is along on the axis, following symmetrical grooving is exposed endoporus, cover the termination that spring 6 fixedly is housed respectively through spring in its two ends endoporus, in the interior hole slot between two springs 6 one group of ball 5 is housed successively, the number of ball 5 is its left side, the integral multiple of right button that two ends distribute 3 number sums, the length of ball string 5 should be equal to or greater than the front end face of described key plate 8 first buttons of front of one side to the distance between the rear end face of the last button of back; Described jam plate 9 is a rectangular slab, also be provided with one group and described key plate 8 corresponding lockholes 26 on it, the back of lockhole 26 is provided with a square opening 24, its left side, right both sides can by guide groove be installed on movingly described key plate 8 below, its upper surface pastes mutually with the soffit of described key plate 8 and can be before it, slide in the back, when it slides on leading section and its front end dead bolt is all stretched out, one group of lockhole 26 on it just with described key plate 8 on a prescription hole vertical one by one corresponding, square opening 24 on it also with key plate 8 on the hole, garden vertical corresponding, both sides, its rear end are inserted with a snap 22 that links to each other with described key plate 8 both sides respectively, under the pulling force of snap 22, the position that can make it be in leading section and dead bolt is all stretched out, be inserted with a flag-shaped rotor 25 in its square opening 24, the shank of described rotor 25 penetrates the hole, garden on the described key plate 8, pass the hole, garden of described panel 1 through lining 23 after, handle 2 fixedly is housed in the upper end of its handle; Described guide strip 11 is a rectangular slab, and support by four angles 10 is equidistant to be anchored on the below of described jam plate 9 and parallel with jam plate 9, also have on it with described key plate 8 on the vertical corresponding prescription hole mutually of square hole; Described hook plate bearing 21 is a cylindricality plate, respectively by two supports in front-end and back-end, the 10 horizontal equidistant parallel belows that are anchored on described guide strip 11, and before guide strip 11, the back is parallel along face, its left side, right both ends and middle part are respectively equipped with hook plate rotating shaft installing hole and spring base installing hole, before it, the interior left side of hook plate rotating shaft installing hole that back both sides are corresponding respectively, the right side is parallel is equipped with one group of hook plate 14 movingly by hook plate rotating shaft 19, described hook plate 14 is a rectangular slab, before it, back upper surface have between phase of equality from top to bottom one group with described guide strip 11 before, the rear to the vertical corresponding hook groove 29 of square hole, each notch of described hook groove 29 is equipped with a shank 13 movingly, before it, the top of rear end face also is provided with rotating shaft 15, and connect movingly by connecting rod 16 that constitute can be around hook plate rotating shaft 19 left sides, the parallelogram of right swing, before the interior edge of described spring base installing hole, after spring base 18 vertically is housed, before the described spring base 18, rearward end is equipped with tension spring 17 respectively, one end of described tension spring 17 is stuck on the described hook plate bearing 21, the other end then presses the left plate of described hook plate 14, makes a left side, right hook plate 14 is around hook plate rotating shaft 19 interlock left; The described orifice plate 30 that falls also is rectangular slab, also is anchored on the below of described hook plate 14 by the support 10 at four angles, and parallel with described guide strip 11, also is provided with the vertical one group of corresponding through hole of square hole with described guide strip 11 on it; Described locking bar 28 is a cylindrical rod, which is provided with a latch hook 12, do not move to cooperate and pass the square hole on the described guide strip 11 and enter in the described jam plate 9 corresponding lockholes 26 in its top, and paste mutually with the lower surface of described button 3 vertical rods, hook spring 20 is housed after the left surface of described hook plate 14, its end is inserted in the described orifice plate 30 pairing holes that fall on the bar of its underpart, one end of described hook spring 20 is a support with the lower surface of described latch hook 12, and the other end serves as to rely on to produce tension force with the upper surface of the described orifice plate 30 that falls then; Described unknown locking bar 27 is identical with the structure and the mounting means of described locking bar 28, institute's difference is: its upper end is shorter than the thickness of a jam plate 9 of described locking bar 28 just, can not enter in the lockhole 26 of described jam plate 9 so its upper end, back is installed, latch hook inclined-plane 32 on it and the angle between its axial ray of lock rod are all greater than the axis of described locking bar 28 and the angle between its latch hook 12 inclined-planes in addition; Described base plate 31 also is a rectangular slab, and is anchored on the bottom by the support 10 at four angles.

Locking bar 28 described in the utility model generally is made as 12 with unknown locking bar 27 number sums, also can be less than or more than this number, but the number of its described button 3 should with both sum correspondent equals, locking bar 28 should be advisable greater than the number of unknown locking bar 27 with the number of locking bar 28 with the ratio of unknown locking bar 27.

Limit keyseat 7 described in the utility model can guarantee once can only press a button in the described button 3, when external force is removed and after resetting, just can be pressed another button.If earlier by behind the next button, then press another button simultaneously, then striding the spin that pin and the wedge shape that has pushed button stride between pin because of the wedge shape of this button is that rigidity contacts in the slit that can't insert spin 5, causes it to press.

The inclined-plane 32 of latch hook 12 on the locking bar 28 described in the utility model, can make with its axial ray of lock rod and be different angles, be that latch hook 12 can be made large and small different specification,, can constitute the cipher code set of various combination by the mutual alignment of conversion locking bar 28 in the utility model.Its cipher code set number can calculate by following formula:

P = \frac{m!}{(m - n)!}

Wherein

P-cipher code set number

M-keyboard total key number

N-is as the number of unlock key (i.e. one group of locking bar 28 several corresponding keys wherein)

The utility model must be followed elder generation by the inclined-plane 32 of latch hook 12 and that locking bar corresponding key of its axial ray of lock rod angle maximum when unblanking, reduce one by one then.Otherwise, if press earlier the little key of moveable lock hook 12, press the big key of latch hook 12 again, then this key can with by by holding latch hook 12 all lock once more less than its key, this is the utility model principle place that can encode, can not opened by maloperation again just also.For example, button 3 described in the utility model has 12, and wherein locking bar 28 also should be 12 with the number sum of unknown locking bar 27, and corresponding one by one with button 3.As locking bar 28 is made as 8, then unknown locking bar 27 is 4, and we encode with three in 8 locking bars 28 and lock, when unblanking, should follow the latch hook pressed 12 for big → in → little order, lock promptly is opened.If not in this order, not only can not unblank, even can will be locked again by the key of holding.

Operating principle of the present utility model is as follows: before unblanking, under the tension of snap 22, jam plate 9 slides into foremost, and the dead bolt of its front end inserts snap close, and locking bar 28 upper ends put in the lockhole 26 of jam plate 9, are in locking state.When unblanking,, follow earlier, descendingly one by one after intact, promptly unblank by the big button of latch hook 12 according to the key number that sets in advance.Concrete principle is as follows:

The button of unblanking in the pressing keys 3, then this button overcomes by the elastic force of spring 4 and moves down, its lower end promotes locking bar 28 and vertically moves down, the inclined-plane 32 of the latch hook 12 on the locking bar 28 overcomes the tension force of tension spring 17, promoting shank 13 rotates, and drive and to make lonely line with its hook plate that links to each other movingly 14 to the right around hook plate rotating shaft 19 and move, hang shank 13 fashionable when locking bar 28 is displaced downwardly to its latch hook 12, under the tension force effect of tension spring 17, hook plate 14 is moved as camber line left around hook plate rotating shaft 19 again, shank 13 tightly is hooked in the latch hook 12 of locking bar 28, the upper end of locking bar 28 breaks away from the lockhole 26 of jam plate 9.According to same method, all the other several keys are pressed in order, 12 of the latch hooks of the several locking bars 28 that then set all are hooked on the corresponding shank 13, and its upper end also all breaks away from corresponding lockhole 26, and jam plate 9 promptly slidably, clockwise rotate handle 2, the cutter head of coupled flag-shaped rotor 25 promptly rotates in the square opening 24 of jam plate 9, and overcomes the pulling force of snap 22, stirs jam plate 9 and slides backward, the dead bolt of its front end is then thrown off snap close, and lock promptly is opened.If need lock again, but counterclockwise rotation fixed handle 2 (this handle also has and its interlock in the lower end of flag-shaped rotor 25), jam plate 9 inserts snap close to front slide and with dead bolt under the pulling force of snap 22, at this moment, only need press any one button on the unknown locking bar 27, all the latch hook than locking bar 28 is big because of the latch hook on it, this latch hook promotes shank 13, make coupled hook plate 14 to the right camber line move, the latch hook 12 that hangs on the shank 13 is all thrown off, it is moved up under the elastic force effect of hook spring 20, and its upper end enters again in the jam plate 9 corresponding lockholes 26, and lock is promptly locked again.

The effect of unknown locking bar 27 described in the utility model is: the one, be used with locking bar 28, and play the fascination effect; The 2nd, all can lock again with its any one respective keys, make the people who does not know password be difficult to unblank.

In conjunction with the foregoing description as can be seen, the utility model is compared existing technology and is had following advantage:

1. many, the strong security of combination pin;

2. need not to carry key, unblank, lock conveniently;

3. firm and durable, anti-impact force are strong.

The utility model can be widely used in family, hotel, warehouse, all kinds of safety cabinet and other needs the object of tapered end.

Claims

1. mechanical key cipher lock, comprise a key plate (8), a jam plate (9), a guide strip (11), one group of hook plate bearing (21), one group of hook plate (14), the orifice plate that falls (30), one group of button 3, one group of locking bar (28) and unknown locking bar (27) and a plurality of spring, it is characterized in that: described key plate (8) is a rectangular slab, have one group of horizontal stroke on it, the square hole of perpendicular equal distribution, the rear side in this prescription hole has hole, a garden, on it between vertical square hole along before, the rear is to limit keyseat (7) fixedly is housed, its top equidistant parallel installation of support (10) by four angles also have with its on, a vertical down corresponding prescription hole and the panel (1) in hole, a garden, between itself and the panel (1) along last, in the following corresponding square hole one by one correspondence be equipped with one group movingly and have wedge shape and stride pin (33), and h shape button (3) by spring (4) on keeping a foothold, it is housed, the upper surface of described panel (1) is stretched out in the upper end of described button (3), the lower surface of button (3) is concordant with the soffit of described key plate (8), button (3) is when pressing, press spring (4) compression, the angle of wedge that wedge shape is striden pin (33) can insert in the slit between the interior ball of described limit keyseat (7) (5); Described jam plate (9) is a rectangular slab, also be provided with one group and the corresponding lockhole of described key plate (8) (26) on it, the back of described lockhole (26) is provided with a square opening (24), its left side, right both sides can by guide groove be installed on movingly described key plate (8) below, its upper surface pastes mutually with the soffit of described key plate (8) and can be before it, slide in the back, when it slides on leading section and its front end dead bolt is all stretched out, one group of lockhole (26) on it just with described key plate (8) on a prescription hole vertical one by one corresponding, square opening on it (24) also with key plate (8) on the hole, garden vertical corresponding, both sides, its rear end are respectively equipped with a snap (22) that links to each other with described key plate (8) both sides, under the pulling force of snap (22), the position that can make it be in leading section and dead bolt is all stretched out, be inserted with a flag-shaped rotor (25) in its square opening (24), the shank of described rotor (25) penetrates the hole, garden on the described key plate (8), pass the hole, garden of described panel (1) through lining (23), handle (2) fixedly is housed in the termination of its handle; Described guide strip (11) is a rectangular slab, by the equidistant below that is anchored on described jam plate (9) of the support (10) at four angles and parallel with jam plate (9), also have on it with described key plate (8) on the vertical corresponding prescription hole mutually of square hole; Described hook plate bearing (21) is a cylindricality plate, respectively by the horizontal equidistant parallel below that is anchored on described guide strip (11) of two supports in front-end and back-end (10), and it is preceding with guide strip (11), the back is parallel along face, its left side, right both ends and middle part are respectively equipped with hook plate rotating shaft installing hole and spring base installing hole, before it, the interior left side of hook plate rotating shaft installing hole that back both sides are corresponding respectively, the right side is parallel is equipped with one group of hook plate (14) movingly by hook plate rotating shaft (19), described hook plate (14) is a rectangular slab, before it, back upper surface have between phase of equality from top to bottom one group with described guide strip (11) preceding, the rear to the vertical corresponding hook groove (29) of square hole, each notch of described hook groove (29) is equipped with a shank (13) movingly, before it, the top of rear end face also is provided with rotating shaft (15), and connect movingly by connecting rod (16) that constitute can be around hook plate rotating shaft (a 19) left side, the parallelogram of right swing, before the interior edge of described spring base installing hole, after spring base (18) vertically is housed, described spring base (18) is preceding, rearward end is equipped with tension spring (17) respectively, one end of described tension spring (17) is stuck on the described hook plate bearing (21), the other end then presses the left plate of described hook plate (14), makes a left side, right hook plate (14) is around hook plate rotating shaft (19) interlock left; The described orifice plate (30) that falls also is rectangular slab, also is anchored on the below of described hook plate (14) by the support (10) at four angles, and parallel with described guide strip (11), also is provided with the vertical one group of corresponding through hole of square hole with described guide strip (11) on it; Described locking bar (28) is a cylindrical rod, which is provided with a latch hook (12), do not move to cooperate and pass the square hole on the described guide strip (11) and enter in the corresponding lockhole of described jam plate (9) (26) in its top, and paste mutually with the lower surface of described button (3) vertical rod, hook spring (20) is housed on the bar of its underpart, after the left surface of described hook plate (14), its end is inserted in the described pairing hole of orifice plate (30) that falls, one end of described hook spring (20) is a support with the lower surface of described latch hook (12), and the other end is that support produces tension force with the upper surface of the described orifice plate (30) that falls then; Described unknown locking bar (27) is identical with the structure and the mounting means of described locking bar (28), institute's difference is the thickness that its upper end is shorter than a jam plate (9) of described locking bar (28) just, and latch hook inclined-plane (32) on it and the angle between its axial ray of lock rod are all greater than the axis of described locking bar (28) and the angle between its latch hook (12) inclined-plane.

2, mechanical key cipher lock as claimed in claim 1, it is characterized in that: described limit keyseat (7) is a garden cylindricality hollow section, endoporus is exposed along the upper and lower symmetrical grooving of axis in its middle part, the termination that aperture spring lid fixedly is equipped with spring (6) respectively in its two ends is equipped with one group of ball (5) successively in the interior hole slot between two springs (6).