CN201155236Y

CN201155236Y - Mechanical blade lock

Info

Publication number: CN201155236Y
Application number: CNU2008200042822U
Authority: CN
Inventors: 楼正定
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-29
Filing date: 2008-01-29
Publication date: 2008-11-26
Anticipated expiration: 2018-01-29

Abstract

The utility model discloses a mechanical blade lock, comprising a lock case, a bolt, a bolt trailing bar and a plurality of blades. The blades are limited in the lock case and can move longitudinally, and the blades are provided with bit troughs which are arranged transversally and hollow-out; a lock pillar is fixed at the corresponding side of the bolt trailing bar; a bias pressure device which causes all the blades to have the trend of bias pressure along the reserved path is arranged in the lock case; a separate slice is arranged between the two adjacent blades, the separate slice and the lock case are fixed relatively; and the separate slice is opened with a trough hole for the lock pillar to go through and sliding move. The separate slice is arranged between the two adjacent blades, the separate slice and the lock case are fixed relatively. The error between blades can be eliminated by increasing separate slices of multiple scales. The separate slices can be made by the materials with low rigidity and convenient processing. The arrangement of the separate slices causes the blades not to touch each other directly, thus ensuring each blade to move in place and locks to work easily and flexibly.

Description

A kind of mechanical blade lock

Technical field

The utility model relates to a kind of lock, relates in particular to a kind of mechanical blade lock.

Background technology

The kind of lock has a lot, cylinder lock, electronic password lock, mechanical blade lock or the like are arranged, various locks all have pluses and minuses separately, wherein its password number that provides of cylinder lock is very limited, safety is good inadequately, electronic password lock complex structure, price height, and the mechanical blade lockset has that the password number is many, the repetition rate of coding is low, safe, advantage that cost is low.

As a patent No. is a kind of twin-stage blade lock so the Chinese utility model patent " twin-stage blade lock " of ZL01218030.0 (notification number is CN2471885Y) has disclosed, comprise lock body, dead bolt and dead bolt slide plate, the front and back of described dead bolt slide plate are folded and are provided with some blades, blade is provided with the slotted hole that blade is moved up and down, slotted hole is enclosed within on the pin that is fixed in the lock body bottom, blade is provided with keyhole and horizontal king's word passage, be fixed with special-shaped square bar on the described dead bolt slide plate and be provided with key groove, the abnormity square bar inserts in horizontal king's word passage, described blade is provided with slotted hole, be provided with spring in the slotted hole, the upper end of spring withstands on the lower side of dead bolt slide plate, and the lower end of spring is enclosed within on the projection that is fixed in the slotted hole downside.The blade lock guarantees that accurately resetting of every blade is very important, to the required precision height, and resetting of blade is by being arranged on the interior spring of slotted hole in the blade that relates in the above-mentioned patent lock, and the multi-disc blade only depends on a spring to reset, and can not guarantee accurately resetting of every blade.Spring torsional deformation easily after using certain hour is arranged again, can not apply equal restoring force to every blade, so this kind blade lock can not guarantee normally resetting of every blade, and then influence the unlatching of this blade lock, application life is low.

At above-mentioned present situation, it is that the Chinese utility model patent " improved vane type theftproof lock " of ZL02282329.8 (notification number is CN2584737Y) has disclosed a kind of so improved vane type theftproof lock that one patent No. is arranged, and it comprises the blade assembly whether main dead bolt assembly and the described main dead bolt assembly of decision move; Wherein said main dead bolt assembly comprises: main dead bolt, the main hyoplastron that is fixed together with the tail end of described main dead bolt, limit the guiding device that described main hyoplastron moves back and forth along the flexible direction of described main dead bolt; Described main hyoplastron is provided with denture, is set with square column perpendicular to the plate face respectively on described main hyoplastron two sides near an edge of described keyhole; Described blade assembly comprises the vane group that is positioned at described main hyoplastron both sides and closes on described keyhole, described vane group is made up of several pieces tartar blades, described blade has its guiding device that moves back and forth along predetermined path of qualification, described blade has separately along the biasing device of described predetermined path bias voltage to an end in path, biasing device is that an end is fixed on the respective vanes, the other end is embedded in the silk spring on the baffle plate, form the groove of hollow out on the tartar blade wherein respectively, it is characterized in that described groove has and the corresponding to notch of described main hyoplastron moving direction, described notch position on every tartar blade is by coding decision and consistent with the coding of corresponding key tooth flower, when key tooth flower promotes the tartar blade displacement, the notch of each sheet tartar blade all aligns with the both sides of square column, just forms the passage that square column can be vertically moved; The described tartar platform of stirring platform and cooperating that cooperates with described denture that is provided with on the key with described tartar blade.

Blade is to be stamped to form with a kind of very thin steel disc, and to processing of leaves required precision height, domestic level of processing is backward relatively, all there is bigger error in homemade blade aspect thickness, therefore can there be certain colliding with between the folded blade that is located at together of multi-disc, influence the precision that blade relatively moves and cause and to open.The biasing device that this patent relates to is that an end is fixed on the respective vanes, and the other end is embedded in the silk spring on the baffle plate, the silk spring is fixed on the blade, needs to stamp out at blade the groove of an installation silk spring, and it requires very high to processing technology.

Existing various blade lock does not have good anti-technical opening function.

Existing in sum blade lock also can be further improved.

Summary of the invention

Technical problem to be solved in the utility model be provide at above-mentioned prior art present situation a kind of need not advanced processing technology just can fine elimination blade between error, activity mechanical blade lock flexibly, it has, and cost is low, the advantage of long service life.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of mechanical blade lock, include lock housing, dead bolt and the dead bolt planker that links to each other with dead bolt, described dead bolt planker is spacing also can laterally to be moved in lock housing, on the dead bolt planker, at least one side is folded and is provided with some blades down, described blade is spacing also can to vertically move in lock housing, the tartar groove that has horizontal and hollow out on the blade, the respective side of dead bolt planker is fixed with and matches with the tartar groove and determine the lock whether the dead bolt planker moves, be provided with in the described lock housing each blade is had along the biasing device of described predetermined path bias voltage trend, it is characterized in that: be provided with spacer between described adjacent two blades, this spacer and lock housing relative fixed have on the spacer for lock and pass the slotted eye of slippage.

Can guarantee accurately resetting of every blade for guaranteeing biasing device, and can also further reduce requirement to the blade production technology, above-mentioned biasing device includes the identical some shell fragments of support, quantity and blade, described support is fixed in the lock housing, described each shell fragment one end is fixed with support from top to down, and the other end of each shell fragment and respective vanes side offset.Because shell fragment is with through fixedly securing on support, and do not need on blade, to stamp out thin mounting groove, therefore further reduced requirement, manufacture easily blade processing technique so that a silk spring to be installed.

For guaranteeing accurately blade of correspondence of every shell fragment, protrude and the blade upper end above-mentioned spacer upper end, shelve the space and form between adjacent two spacers and respective vanes, described shell fragment one end is positioned at this and shelves the space and offset with the side with respective vanes.Because shell fragment is limited in and shelves in the space, shell fragment is not understood play up and down, guarantees to contact with blade.

For ease of the easily slippage of the relative spacer of blade, the upper and lower surface of above-mentioned spacer all is interval with the fin of vertical layout.Fin the contact area that has reduced blade and spacer is set, promptly reduce the resistance of blade movement.

Above-mentioned tartar groove has the horizontal notch for lock slippage within it, and described notch position is by coding decision and consistent with the coding of corresponding key tooth flower, and the both sides up and down of this notch all have two lock is carried out the spacing edge-cut of cross spacing.It is the conventional design of tartar groove in the existing blade lock, and the dislocation by notch and spacing edge-cut in each blade tartar groove is to form different codings.

Second technical problem to be solved in the utility model is to make this blade lockset that good anti-technical opening function be arranged, so have at least a blade to be the anti-blade of dialling in above-mentioned some blades, should anti-ly dial the centre that blade is arranged on the polylith blade, anti-dial that its rear wall of going up the spacing edge-cut in the tartar groove has the anti-breach of dialling in the blade, corresponding have an anti-moving tooth that matches with anti-group breach on described lock.Lawless person's technical opening generally is that a position of vertically stirring each blade successively is located at the enable possition, and need laterally stir the dead bolt planker when stirring blade whether puts in place to confirm to stir, anti-moving tooth on the lock just in time is fastened on anti-dialling in the breach at this moment, when the lawless person toggles it to anti-group of blade, because anti-moving tooth is spacing with anti-group breach, can not vertically stir the anti-blade of dialling, therefore play the function of anti-technical opening.

The structure that above-mentioned shell fragment is fixed on the support is, on the sidewall of support, have a plurality of draw-in grooves that match with shell fragment from top to down, described shell fragment is fastened in the corresponding separately draw-in groove, be provided with the cover plate that the draw-in groove lid can be established in stent side portion, described cover plate and support link together by screw.This can be stably fixed at the structure that shell fragment is fixed on the support on the support shell fragment, and easy to assembly, manufactures easily.Certainly shell fragment also can be to be welded on the support one by one.

The both sides up and down of above-mentioned dead bolt planker are all folded to be provided with some blades, and corresponding described dead bolt planker upper and lower sides all is fixed with lock.Can reduce foreign matter like this and enter the space that keyhole is stirred blade, strengthen anti-technical opening difficulty.

Compared with prior art, advantage of the present utility model is: it is provided with spacer between described adjacent two blades, this spacer and lock housing relative fixed, error between the blade can be eliminated by setting up of plurality of specifications spacer, spacer can be by hardness material lower, easy to process, the setting of spacer makes not directly contact between the blade, can be because of the error of blade, cause the blade false relative motion, guaranteed that every blade moves into place, made the lockset easy and flexible that works together.Therefore have under to the not high situation of blade processing precision, described blade lock also can meet the use standard, also promptly greatly reduces the cost of production of blade lock, whole lockset is prevented technical opening level height, theftproof performance is strong, in conjunction with blade steel disc performance, can have certain fireproof performance.

Description of drawings

Fig. 1 is the stereochemical structure broken away view of the utility model embodiment;

Fig. 2 is the perspective view of common blade among the utility model embodiment;

Fig. 3 is an anti-perspective view of dialling blade among the utility model embodiment;

Fig. 4 is an anti-elevation of dialling blade among the utility model embodiment;

Fig. 5 is the perspective view of dead bolt planker among the utility model embodiment;

Fig. 6 is the I place enlarged drawing of Fig. 5;

Fig. 7 is the elevation of spacer among the utility model embodiment;

Fig. 8 is the lateral view of spacer among the utility model embodiment;

Fig. 9 is the II place enlarged drawing of Fig. 8;

Figure 10 is the relative position schematic diagram of blade and spacer and shell fragment among the utility model embodiment;

Figure 11 is that the solid of the utility model embodiment biasing device splits schematic diagram.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Be depicted as a preferred embodiment of the present utility model as Fig. 1～11.

A kind of mechanical blade lock includes lock housing 1, dead bolt 2 and the dead bolt planker 3 that links to each other with dead bolt 2, has the keyhole 11 that plugs for key 10 on the lock housing 1, and lock housing 1 front side portion has for dead bolt 2 and passes spacing hole 12.

Shown in Fig. 5,6, described dead bolt planker 3 is spacing in lock housing 1 and can laterally move, and dead bolt planker 3 has the denture of stirring for key 10 31 near the sidepiece of keys 10, and denture 31 is three teeth, two groove structures, it can design according to the distance that dead bolt 2 moves, and is routine techniques.

As shown in Figure 1, each folded is provided with four blades 4 that can determine that whether dead bolt planker 3 moves described dead bolt planker 3 upper and lower both sides, described blade 4 is spacing in lock housing 1 and can vertically move, has the slotted hole 42 that two longitudinal separations are provided with on the blade 4, corresponding two leads 13 that match with slotted hole 42 that in lock housing 1, are fixed with, this lead 13 passes slotted hole 42 and slotted hole 42 straight skiddings relatively, guarantee like this blade 4 relatively lock housing 1 vertically move within the specific limits.

Shown in Fig. 2～4, the tartar groove 41 that has horizontal and hollow out on the described every blade 4, the upper and lower sides of dead bolt planker 3 all is fixed with and matches with tartar groove 41 and determine the lock 5 whether dead bolt planker 3 moves, wherein, tartar groove 41 has the horizontal notch 411 for lock 5 slippage within it, described notch 411 positions are by coding decision and consistent with the coding of corresponding key tooth flower, the both sides up and down of this notch 411 all have two lock 5 is carried out the spacing edge-cut 412 of cross spacing, therefore this tartar groove 41 roughly is king's font, dislocation by notch 411 and spacing edge-cut 412 in each blade 4 tartar groove 41 is to form different codings, and it also is a conventional design.

As shown in figure 11, be provided with in the described lock housing 1 each blade 4 is had along the biasing device of described predetermined path bias voltage to an end in path, biasing device includes support 7, eight shell fragments 8 that quantity and blade 4 are identical, assembling dead bolt planker 3 upper and lower sides respectively have four shell fragments 8, described support 7 is fixed in the lock housing 1, described each shell fragment 8 one end are fixing with support 7 from top to down, the structure that shell fragment 8 is fixed on the support 7 is, on the sidewall of support 7, have a plurality of draw-in grooves 71 that match with shell fragment 8 from top to down, described shell fragment 8 is fastened in the corresponding separately draw-in groove 71, be provided with the cover plate 9 that draw-in groove 71 lid can be established at support 7 sidepieces, described cover plate 9 and support 7 link together by screw.The other end of each shell fragment 8 and respective vanes 4 sides offset, and promptly shell fragment 8 and blade 4 are one-to-one relationship.

Shown in Fig. 7～9, we also are provided with spacer 6 between described adjacent two blades 4, this spacer 6 and lock housing 1 relative fixed, promptly on spacer 6, have locating hole 63, the described locating hole 63 in assembling back is set on the lead 13 with the location, have on the spacer 6 for lock 5 and pass the slotted eye 61 of slippage, the width of slotted eye 61 is identical with tartar groove 41 Breadth Maximums, its length is identical with the lateral length of tartar groove 41, protrude and blade 4 upper ends spacer 6 upper ends, shelve space A and between adjacent two spacers 6 and the blade between them 4, form, described shell fragment 8 one ends are positioned at this and shelve space A and offset with the side with respective vanes 4, on the described spacer 6, soffit all is interval with the fin 62 of vertical layout, and fin 62 can be curved, and the corresponding blade 4 in assembling back contacts with fin 62.

Under lock-out state, lock 5 is fastened in the spacing edge-cut 412, stopped dead bolt planker 3 after move, after inserting, key 10 rotates, tartar on the key 10 promotes each blade 1 and vertically moves certain distance according to each own coding, this moment, blade 1 was to vertically move on spacer 6 relatively, not directly contact between the blade 4, even therefore the precision of blade 4 is not very high, tartar on the key 10 also can accurately promote every blade 4 and move by each own coding, and after key 10 turned to certain angle, described lock 5 was positioned at horizontal notch 411, lock 5 can move in horizontal notch 411, lock 5 can not carry out spacing to blade 4, is rotated further key 10, and the clicking section on the key 10 cooperates with denture 31 and drives dead bolt planker 3 and move after laterally, unblank, principle and existing blade lock are basic identical.

Shown in Fig. 3～6, the utility model also has an advantage, be described dead bolt planker about in the of 3 respectively organizing of both sides have at least a blade 4 to be the anti-blade of dialling in the blade 4, should anti-ly dial the centre that blade is arranged on polylith blade 4, anti-dial that its rear wall of going up the spacing edge-cut 412 in the tartar groove 41 has anti-group breach 413 in the blade, rear wall moves that sidewall that back lock 5 contacts with spacing edge-cut 412 after being dead bolt planker 3, and corresponding have on described lock 5 and the anti-moving tooth 51 of preventing that group breach 413 matches.The anti-blade of dialling of polylith also can be set certainly, other blade then with existing blade lock in identical.

The principle of anti-technical opening is such, lawless person's technical opening generally is that a position of vertically stirring each blade successively is located at the enable possition, and need laterally stir dead bolt planker 3 when stirring blade 4 whether puts in place to confirm to stir, owing to be provided with the anti-plectrum of dialling, anti-moving tooth 51 on the lock 5 just in time is fastened on anti-dialling in the breach 413, when the lawless person toggles it to anti-group of blade, because anti-moving tooth 51 is spacing with anti-group breach 413, can not continue vertically to stir the anti-blade of dialling, be that lock 51 is positioned at spacing edge-cut 412 all the time dead bolt planker 3 is carried out cross spacing, therefore play the function of anti-technical opening.

The direction that laterally moves for dead bolt described in the utility model vertically is and horizontal vertical direction.

Claims

1, a kind of mechanical blade lock, include lock housing (1), dead bolt (2) and the dead bolt planker (3) that links to each other with dead bolt, described dead bolt planker (3) is spacing also can laterally to be moved in lock housing, on the dead bolt planker (3), at least one side is folded and is provided with some blades (4) down, described blade (4) is spacing also can to vertically move in lock housing, the tartar groove (41) that has horizontal and hollow out on the blade (4), the respective side of dead bolt planker (3) is fixed with and matches with tartar groove (41) and determine the lock (5) whether dead bolt planker (3) moves, be provided with in the described lock housing (1) each blade (4) is had along the biasing device of described predetermined path bias voltage trend, it is characterized in that: be provided with spacer (6) between described adjacent two blades (4), this spacer (6) and lock housing (1) relative fixed have on the spacer (6) for lock (5) and pass the slotted eye (6 1) of slippage.

2, mechanical blade lock according to claim 1, it is characterized in that: described biasing device includes support (7), some shell fragments (8) that quantity is identical with blade (4), described support (7) is fixed in the lock housing (1), described each shell fragment (8) one end are fixing with support (7) from top to down, and the other end of each shell fragment (8) and respective vanes (4) side offset.

3, mechanical blade lock according to claim 2, it is characterized in that: protrude and blade (4) upper end described spacer (6) upper end, shelve space (A) and form between adjacent two spacers (6) and respective vanes (4), described shell fragment (8) one ends are positioned at this and shelve space (A) and offset with the side with respective vanes (4).

4, mechanical blade lock according to claim 1, it is characterized in that: the upper and lower surface of described spacer (6) all is interval with the fin (62) of vertical layout.

5, mechanical blade lock according to claim 1, it is characterized in that: described tartar groove (41) has the horizontal notch for lock slippage within it (411), described notch (411) position is by coding decision and consistent with the coding of corresponding key tooth flower, and the both sides up and down of this notch (411) all have two lock (5) is carried out the spacing edge-cut (412) of cross spacing.

6, mechanical blade lock according to claim 5, it is characterized in that: have at least a blade (4) to be the anti-blade of dialling in described some blades (4), should anti-ly dial the centre that blade is arranged on polylith blade (4), anti-its rear wall of going up the spacing edge-cut (411) in the tartar groove (41) of blade of dialling has the anti-breach (413) of dialling, and corresponding have an anti-moving tooth (51) that matches with anti-group breach (413) on described lock (5).

7, mechanical blade lock according to claim 2, it is characterized in that: the structure that described shell fragment (8) is fixed on the support (7) is, on the sidewall of support (7), have a plurality of draw-in grooves (71) that match with shell fragment (8) from top to down, described shell fragment (8) is fastened in the corresponding separately draw-in groove (71), be provided with the cover plate (9) that draw-in groove (71) lid can be established at support (7) sidepiece, described cover plate (9) and support (7) link together by screw.

8, according to the described mechanical blade lock of arbitrary claim in the claim 1～7, it is characterized in that: the both sides up and down of described dead bolt planker (3) are all folded to be provided with some blades (4), and corresponding described dead bolt planker (3) upper and lower sides all is fixed with lock (5).