CN100404780C - Padlock device - Google Patents

Abstract

The present invention relates to a padlock device which comprises a lock core and a lock main body, wherein the inner part of the lock core is sheathed with a plurality of pads; the lock main body comprises a shell, a lock hook and two fastening pieces. The present invention is characterized in that the pads are made of flexible Teflon material and are used for burying and absorbing dust and particles in the lock core; the lock main body is provided with two waterproof washers which are sheathed in the shell and can be in air-tight contact with the lock hook; the padlock has waterproof and anti-dust capability; a lock control element and a drive piece are arranged in the lock core; the lock control element is elastically provided with a centre pin which can stop the drive piece rotating; a key in accordance with the cipher of the drive piece is inserted into the lock, the centre pin is pushed out of the drive piece, and the lock is opened; therefore, the lock core has the functions of vibration unlocking prevention and theft protection.

Description

Padlock device

[technical field]

The present invention relates to a kind of padlock, particularly relates to a kind of applicable padlock device at environment such as many dirt sand and moist many water.

[background technology]

General structure of padlock is normally at the inner installing of a lock body one core, plug a U-shaped latch hook on the lock body, but the element of this core control lock body interior is made the clutch clip to the U-shaped latch hook, reach general switching lock action whereby, the lock body of general padlock is when assembling core and U-shaped latch hook, must have the slit produces, and core more needs to offer a keyhole, just can provide key to insert and unblank to use, the all general padlock of above-mentioned slit and keyhole must have, but the environment for use of general padlock normally is exposed to outdoor, be subjected under the influence of natural conditions such as wind and weather, often cause shorten the application life of padlock easily, for example: in the serious place of wind sand, the dirt sand of fine particle can enter core inside via keyhole, often cause the core inner body because stuck can't the running, cause this padlock to lose effectiveness, if this padlock is under the environment that many torrents wet, water liquid infilters into inside along the various slits of lock body easily, after after a while, the part of padlock inside can can't continue because corrosion damages to use, again, if padlock is positioned at the area of severe cold low temperature, as long as padlock inside has aqueous vapor a little, the part of padlock inside will can't be moved because of freezing, and lose the function of general use.

Tradition has a kind of padlock outside to have to add one deck protective sleeve in addition; this kind structure perhaps can also use under the ambient conditions of above-mentioned very severe; but if meet the regulation of the relevant padlock testing standard FF-P-2827 of the DOD of U.S. Department of Defense (Department of Defense); the padlock lock body must not add any protective sleeve; can only utilize the structure of padlock itself will antidusting sand; overcome adverse circumstances such as moist many water and severe cold; therefore how to allow padlock under the condition of any protective sleeve of tool not; still can be the target that the dealer lays siege to by the rigor test of above-mentioned natural environment always.

[summary of the invention]

The object of the invention be to provide a kind of have antidusting sand, fire resistance characteristic and possess the shockproof padlock device that cracks function is arranged.

A kind of padlock device provided by the invention, comprise a core and a lock body, this core has a thimble, and is movably set in axle sleeve in the thimble, one and spin-block, several control strip and pads that are inserted in axle sleeve inside of axle sleeve one end pin joint, this lock body has a housing and a latch hook, this housing bottom has a seat hole that supplies core to pack into, this case top offers two jacks at both sides places, this latch hook below has sleeve respectively and goes into two spigots in this two jack, it is characterized in that:

The inner described control strip of this core is to be inserted in rotationally in the axle sleeve, plant one pad in the middle of per two control strips, this pad adopts the material that molecule had break-in embedability softer than control strip, this axle sleeve internal sleeve is provided with one and drives the drive sheet that spin-block turns round, this drive sheet centre is equipped with a non-circular hole of pulling of driving, this spin-block is provided with a lock control element corresponding to the position that drives sheet, this lock control element has one towards the centrepin that drives sheet direction springing displacement, this centrepin extends into to drive in the hole of pulling and rotates with this drive sheet of blocking, this core head end has an end face and exposes outside the housing, offer a keyhole on this end face, this end face protrudes from surface of shell a little, all chamfer to cut and be provided with a diversion hypotenuse in its edge, this core head end periphery is embedded with a lining;

This lock body, it is positioned at the jack inwall and is embedded with a packing ring near the position, aperture, and this packing ring forms airtight contact to the latch hook spigot.

Described padlock device, it is characterized in that: this core inside more is provided with a closure member near the keyhole position, this closure member is sealed sheath by a seal mouth ring and and is formed, this seal mouth ring periphery seamlessly close-fitting in the axis hole of axle sleeve, this seals sheath and is made of the not imperial material of soft iron, its periphery seamlessly close-fitting and has a flange and seal mouth ring is made fit at the thimble internal perisporium.

Described padlock device, it is characterized in that: this spin-block has a fixed connecting end and this axle sleeve pin joint, be concaved with a brood of hole on this fixed connecting end, this lock control element is placed in this nest hole, this lock control element includes a sheath and a spring, this sheath is mounted in this nest hole and with these drive sheet subsides and touches, the end face of this sheath has a scallop, this drive sheet periphery has a protuberance and pushes against this scallop to turn this spin-block, this sheath centre offers a type hole, this centrepin and spring are nested with in this nest hole, and it is butted that this centrepin is subjected to spring, but the hole of pulling of driving of inserting this drive sheet through this springing ground, sheath type hole.

Described padlock device is characterized in that: the periphery of this centrepin offers an elongated slot vertically, and this axle sleeve periphery penetrates a steady pin and passes this elongated slot.

Described padlock device is characterized in that: this pad is to be made of the not imperial material of soft iron.

Described padlock device is characterized in that: this axle sleeve tube wall is pulled into one first control lever is arranged corresponding to the position of described control strip, and this axle sleeve tube wall is pulled into one second control lever is arranged corresponding to the position that drives sheet.

Described padlock device, it is characterized in that: this enclosure interior is provided with a fixed component corresponding to core periphery spiral shell, this fixed component supports this core spiral shell and tightens up, and this housing periphery is equipped with one corresponding to this fixed component place and removes the hole, and this dismounting borehole jack is gone into a plug sleeve and sealed.

Described padlock device is characterized in that: this housing is positioned at wherein place, jack bottom and is slidingly equipped with a fixed block, and this fixed block has a circular-arc guide sliding part, and this guide sliding part is subjected to the latch hook spigot and urges, and makes this fixed block laterally the core periphery be fixed do packing.

Described padlock device is characterized in that: this core periphery is concaved with a caulking groove, and this fixed block has a protuberance that snaps in this caulking groove.

Described padlock device is characterized in that: inserted an anti-drilling block in this housing one jack space, this anti-drilling block is just gone along with sb. to guard him at core side week position, and under core removed state, this anti-drilling block can outwards remove via this hole.

Described padlock device is characterized in that: this anti-drilling block is concaved with a post hole corresponding to the position of this jack openings, and a screw pierces into into this post hole via this jack, and the position in the corresponding post of this housing hole has a screw for the screw interlocking.

Described padlock device is characterized in that: the pore size in this anti-drilling block post hole just is inserted in for this latch hook spigot.

Described padlock device is characterized in that: this anti-drilling block top is spacing and shore this clamping piece, and under anti-drilling block removed state, this clamping piece can outwards remove via the seat hole.

Described padlock device is characterized in that: this enclosure interior is positioned at jack side place and stretches and be provided with a snib, and it is spacing in jack that this snib retaining supports this latch hook, under core removes state, this snib outwards removes via the seat hole, and under snib removed state, this latch hook can outwards remove via jack.

The object of the invention padlock device has antidusting sand, fire resistance characteristic and possesses the shockproof function that cracks.

[description of drawings]

The present invention is described in detail below in conjunction with drawings and Examples:

Fig. 1 is the exploded perspective view of padlock device one preferred embodiment of the present invention, and the decomposition situation of a core and a key is described;

Fig. 2 is the assembled sectional view of the foregoing description;

Fig. 3 is the exploded perspective view of the foregoing description, and the decomposition situation of a lock body is described;

Fig. 4 be the foregoing description partly cut open stereogram, this core and the combination situations of other members in lock body are described;

Fig. 5 is the assembled sectional view of the foregoing description, and this lock body and the core situation under blocking is described;

Fig. 6 is the action diagram of the foregoing description, illustrates under blocking, and one of this core inside drives sheet, is subjected to the slotting situation of pulling and braking of a centrepin that a lock control element ejects;

Fig. 7 is the action diagram of the foregoing description, illustrate utilize a key to insert core after, these control strips can for one first control lever as the phase I pull into situation;

Fig. 8 is the action diagram of the foregoing description, illustrate utilize this key to insert core after, drive sheet can for one second control lever as second stage pull into situation, and this key one inserts the end of pulling and this centrepin can be ejected the drive sheet, and then can turn this drive sheet and unblank;

Fig. 9 is the assembled sectional view of the foregoing description, and this lock body and the core situation at unlocking condition is described;

Figure 10 is the schematic diagram of the foregoing description, illustrates that this lock body is embedded two waterproof washers and makes the airtight situation that contacts with a latch hook at two jack places;

Figure 11 is the schematic diagram of the foregoing description, illustrates that this place, core below is embedded with a lining, and its end face protrudes the bottom surface a little and periphery is provided with the situation that a diversion hypotenuse is blocked current;

Figure 12 is the schematic diagram of the foregoing description, illustrates that this core inside has most control strips and pad, and wherein this gasket surface can be pressed into the situation that absorbs trickle sandstone particle through after rotating break-in with control strip;

Figure 13 is the assembled sectional view of another embodiment, illustrates that another lock body installs the situation of another latch hook and another anti-drilling block.

[specific embodiment]

Aforementioned and other technology contents, characteristics and effect about the present invention in the following detailed description that cooperates with reference to graphic and two preferred embodiments, can clearly be understood.

Padlock device of the present invention is in a preferred embodiment, mainly include the key 30 that a core 10, a lock body 20 and can carry out unlocking action to this core 10, this key 30 has one foremost and inserts the end 31 of pulling, its shaft is cut and is established the several type teeth 32 with predetermined angular, then, again the internal component of above-mentioned core 10 and lock body 20 is given enumeration as after.

Referring to Figure 1 and Figure 2, the detailed construction of core is as follows: this core 10 includes a thimble 11, an axle sleeve 12, drives sheet 13, several control strips 14, several pads 15, a closure member 16, an anti-drilling sheet 17, a spin-block 18 and a lock control element 19, wherein:

This thimble 11 has the head end 111 of a rectangular shape, its inner recessed accommodation hole 112 of having in vain, the front of this head end 111 is formed with a square end face 113, the centre that is positioned at square end face 113 is equipped with a keyhole 114 and is connected with accommodation hole 112, this square end face 113 is sentenced in the edge especially and is chamfered mode and cut and be provided with a diversion hypotenuse 115, be concaved with a caulking groove 116 in head end 111 side edge, be concaved with an embedding ditch 117 along head end 111 surroundings, this embedding ditch 117 can be for cover bundle one lining 118, the lining 118 of present embodiment is to be square, because lining 118 and diversion hypotenuse 115 are to establish according to the profile of head end 111, if therefore the profile of head end 111 is circular persons, lining of applying mechanically 118 and diversion hypotenuse 115 also are circular certainly.

This axle sleeve 12 is the hollow cylinder structure, be set in rotationally in the accommodation hole 112 of thimble 11, its inner saturating sky has an axis hole 121, this axis hole 121 can be inserted in this drive sheet 13 in order, control strip 14, pad 15 and closure member 16, its tube wall offers one first groove 122 corresponding to the position of these control strips 14, can be in first groove 122 for placing one first control lever 123, these axle sleeve 12 tube walls offer one second groove 124 in addition corresponding to the position of this drive sheet 13, can be in second groove 124 for placing one second control lever 125, first, second control lever 123, the 125th, holding is middle with thimble 11 inwalls one straight trough 119 at axle sleeve 12, whereby, can lock this axle sleeve 12 of pulling can't rotate.

The curved protuberance 131 that is provided with in these drive sheet 13 peripheries, centre offers one and is the non-circular hole 132 of pulling of driving, the periphery book office is concaved with a short slot 133, in the present embodiment, this drives the hole 132 of pulling is to be 3/4 toroidal, the slotting end 31 of pulling that mainly provides key 30 inserts, only inserting under the end 31 of the pulling condition identical with driving hole 132 shapes of pulling, the start that begins of this key 30 drives sheet 13 rotations, if therefore this drives hole 132 designs of pulling and changes over other shapes, this shape of driving the hole 132 of pulling just becomes the control device of one password.

These control strips 14 are disk and thin plates of being made by stainless steel material, and each control strip 14 periphery all is concaved with a short slot 141 at book office, and control strip 14 generally is as the unblank password unit of usefulness of control core 10.

These pads 15 and control strip 14 are to be stacked and placed in the axis hole 121, each pad 15 assigns into control strip 14 centres in twos, its effect is to allow control strip 14 keep good rotation smooth degree, and the most important thing is, pad 15 of the present invention is to make with the not imperial material of soft iron, the more stainless control strip 14 of its quality is soft, has the ability that absorbs fine particle that is pressed into, and the not imperial material of soft iron itself also has lubrication, the function that can replace conventional lubrication oil, because general core is when using conventional lubrication oil, lubrication oil becomes easily infected by the dirty thing of dirt, easy fault and dirty problem when causing key to insert, utilize the not imperial pad 15 of the soft iron of the present invention after, just need not re-use lubrication oil, therefore can solve the above problems fully.

This closure member 16 is arranged on axle sleeve 12 and locates foremost, also be that axle sleeve 12 is near the position of keyhole 114, sealing sheath 162 by a seal mouth ring 161 and is formed, these seal mouth ring 161 peripheries seamlessly close-fitting in axle sleeve 12 axis holes 121, this seals sheath 162 also is to be made of the not imperial material of soft iron, its periphery is close-fitting week in thimble 11 accommodation holes 112 seamlessly, its centre also has a flange 1621, this flange 1621 can be linked on the seal mouth ring 161, and this closure member 16 can prevent fully that sand dust and water liquid from infiltrating into core 10 inside along the slit whereby.

This anti-drilling sheet 17 is nested with at axle sleeve 12 middle with thimble 11, just can contact with sealing sheath 162, and its material is to be made by high-strength alloy, and can rotate freely in accommodation hole 112, can protect core 10 to prevent to destroy from the drilling of keyhole 114 directions.

This spin-block 18 has a fixed connecting end 181 and and does moved end 182, this fixed connecting end 181 is inserted in axle sleeve 12 rear end axis holes 121, penetrated with fixed connecting end 181 by axle sleeve 12 outsides by a steady pin 110 and to fix as pin joint, these fixed connecting end 181 end face centre are concaved with a brood of hole 1811.

This lock control element 19 is installed in 1811 positions, spin-block 18 nest holes, include a sheath 191, one spring 192 and a centrepin 193, these sheath 191 packing build-ins fix in the nest hole 1811, it also is to be made by the not imperial material of soft iron, just can contact with drive sheet 13, sheath 191 peripheries have a scallop 1911, this scallop 1911 can accept to drive the pushing and pressing of sheet 13 protuberances 131, but should drive 18 runnings of sheet 13 start spin-blocks whereby, the end face centre of this sheath 191 offers a type hole 1912, it is the shape that is 3/4 circle equally that the hole 132 of pulling is driven with drive sheet 13 in this type hole 1912, this centrepin 193 and spring 192 all are nested with in nest hole 1811, it is butted and have towards the power that drives sheet 13 direction springing that this centrepin 193 is subjected to spring 192, the front end of this centrepin 193 has a stop end 1931, the section configuration of this stop end 1931 is identical with the shape of driving pull hole 132 and type hole 1912, and the shaft periphery of centrepin 193 offers an elongated slot 1932 vertically, steady pin 110 is penetrated by axle sleeve 12 outsides, and pass in the elongated slot 1932 position that whereby can spacing these centrepin 193 springing displacements.

The above-mentioned core 10 of the present invention is to make detachable single element, except the lock body 20 that can be installed in following embodiment padlock form, also can be installed in as on door lock, auxiliary lock and other lock bodies, and the scope of application is very extensive.

The detailed construction of lock body, referring to Fig. 3, Fig. 4 and shown in Figure 5, this lock body 20 includes a housing 21, two packing rings 22, a latch hook 23, two clamping pieces 24, a fixed component 25, a plug sleeve 26, a fixed block 27 and an anti-drilling block 28, wherein:

These housing 21 profiles are the shell blocks that slightly are oval appearance, its bottom center place offers a rectangular-shaped seat hole 211, this hole 211 can be inserted in for this core 10, core 11 head ends can form airtight the contact with seat hole 211 by lining 118, and the square end face 113 of core 10 can protrude from the basal surface of this housing 21 a little, two jacks 212 about these housing 21 tops are concaved with, 213, two jacks, 212 hole walls more are being concaved with two annular grooves 214 near the position, aperture, two annular grooves 214 can be done to be embedded into for two packing rings 22, these housing 21 inside are positioned at left jack 212 belows and locate laterally to dig to be provided with a passage 215, this passage 215 is done to be communicated with seat hole 211, be concaved with a screw 216 over against right jack 213 lower bottom parts, housing 21 inner and upper places laterally are concaved with two slideways 217, two slideways 217 respectively with about two jacks 212,213 are interconnected, these housing 21 inside are positioned at jack 212 side places, left side and are equiped with a snib 210, and this snib 210 is to protrude a bit of extending in the left jack 212 a little.

This latch hook 23 is the U-shaped bodies of rod with two spigots 231,232, in the present embodiment, two spigots the 231, the 232nd of this latch hook 23, one is long and the other is short, about two spigots 231,232 can be inserted in respectively in two jacks 212,213, its shaft periphery just can form airtight the contact with two packing rings 22, two spigots, 231,232 inboards are concaved with two card ditches 233 relatively, long spigot 231 is to be concaved with a straight flute 234 and an annular groove 235 at lower end, along being against in straight flute 234 and the annular groove 235, make latch hook 23 be limited in to break away from the housing 21 by snib 210.

Two clamping pieces 24 are inserted in respectively in two slideways 217, this clamping piece 24 has a pivot pin 241 and can do on the moved end 182 for being plugged on spin-block 18, after key 30 is inserted 18 rotations of the twist lock heart 10 drive spin-blocks, can make two clamping pieces, 24 lateral displacements, two clamping pieces 24 just can or take off and pull latch hook 22 card ditches, 233 formation clips, reach the action of general switching lock whereby.

This fixed component 25 is arranged on housing 21 inside corresponding to core 10 sides week position, this fixed component 25 includes a nut 251 and a spiral shell spare 252, this nut 251 is buried underground and is fixed on housing 20 inside, can be screwed into for this spiral shell spare 252, the position of these housing 21 outside corresponding fixed components 25 is to be equipped with one to remove hole 218, can use an instrument (figure does not show) that spiral shell spare 252 is done the spiral shell commentaries on classics via removing hole 218, changeing tight this spiral shell spare 252 can make contact to core 10 lateral circle surfaces, can the middle section of this core 10 be tightened up whereby.

This plug sleeve 26 is to be screwed in removing hole 218 when flat, and the effect of this plug sleeve 26 is in order to seal this dismountings hole 218, to prevent that whereby foreign matter from entering in the housing 21 via dismounting hole 218.

This fixed block 27 is inserted in passage 215, fixed block 27 is provided with one near left jack 212 1 sides and is circular-arc guide sliding part 271, this guide sliding part 271 can accept latch hook 23 long spigots 231 compel to, make whole fixed block 27 laterally shift to core 10 sides week place, fixed block 27 is protruding with a card division 272 near a hole 211 1 sides, this card division 272 can snap in the caulking groove 116 of this core 10, can form packing to the leading portion place of core 10 whereby and fix.

This anti-drilling block 28 is nested with in the space of housing 21 right jacks 213; the height and position at its top just is to cooperate latch hook 23 short spigot 232 length and establish; its inside is concaved with a post hole 281; one screw 282 penetrates this post hole 281 via jack 213; and be screwed onto in the screw 216 of housing 21; this anti-drilling block 28 can be fixed on housing 21 inside whereby; anti-drilling block 28 tops more are provided with a lug boss 283; the clamping piece 24 that this lug boss 283 can be shored the right side forms spacing; this anti-drilling block 28 is made by special carbide alloy; its position just shroud can protect core 10 to prevent to destroy from the drilling of side directions at the lateral circle surface of core 10.

More than be the associated structures of padlock device primary clustering of the present invention and the general introduction of position, then, again the effect that switching lock of the present invention moves and expection can be reached stated as the back:

Referring to shown in Figure 6, under general blocking, centrepin 193 protruding the pulling that the drive sheet 13 of this core 10 is subjected to lock control element 19 can be only motionless admittedly, the present invention is provided with the main purpose of lock control element 19, be for allowing this drive sheet 13 remain on the state that can't rotate, when if padlock of the present invention is subjected under the outside strong bump, this drives sheet 13 still can remain on the position of locking really, can not produce because of macroseism and move in wink and cracked and unblank.

Again referring to shown in Figure 5, under blocking, these latch hook 23 2 spigots 231, the 232nd, be pressed into and be nested with at housing 21 2 jacks 212, in 213, being subjected to two clamping pieces 24 fastens and can't outwards shift out, core 10 is subjected to fixed component 25 spiral shells and supports and be fixed on housing 21 inside, the shaft of latch hook 23 long spigots 231 just can cover this spiral shell spare 252, be can't to spiral shell spare 252 carry out removal action by removing hole 218 this moment, this fixed block 27 of lower edge meeting contact of long in addition spigot 231, fixed block 27 can be entered in the caulking groove 116 of core 10 sides by card, and so this core 10 can be installed in the housing 21 more firmly.

When the user will unblank to the present invention, need to use correct key 30 to insert cores 10, at first, this key 30 need be finished the following two roads program of unblanking earlier:

(1). referring to shown in Figure 7, utilize the type tooth 32 of key 30 can make all control strip 14 short slots 141 be a straight line, make first control lever 123 enter in control strip 14 short slots 141, removing the embedding of 123 pairs of axle sleeves 12 of first control lever pulls, so far finish the first road unlocking action, but be noted that axle sleeve 12 still can be subjected to 125 embeddings of second control lever and pulled and can't rotate this moment.

(2). referring to shown in Figure 8, then, utilize the slotting end 31 of pulling of key 30 to insert the hole 132 of pulling of driving that drives sheet 13 again, rotatable this drive sheet 13 makes short slot 133 just be right against second control lever 125, second control lever 125 can enter in the short slot 133 that drives sheet 13, remove the embedding of 125 pairs of axle sleeves 12 of second control lever and pull, so far finish the second road unlocking action.

Via finishing above-mentioned two road unlocking action, this axle sleeve 12 no longer is subjected to first, second control lever 123,125 embedded pulling, can be in thimble 11 rotation freely, so the present invention does just can unblank to the embedding stopper that core 10 needs to remove two road control levers, theftproof is better.

In addition, when key 30 the slotting end 31 of pulling is inserted and stretched into when driving driving of sheet 13 and pulling hole 132, inserting the end 31 of pulling can will be positioned at and drive the centrepin 193 that sheet 13 drives the hole 132 of pulling and ejected, making centrepin 193 and this drive sheet 13 be to take off pulls, this drive sheet 13 like this can be accepted this key 30 and turn, this drives sheet 13 after rotation, and its protuberance 131 can push against the scallop 1911 of sheath 191, and this spin-block 18 just can be subjected to driving sheet 13 rotations and rotate to the angle of unblanking.

Referring to shown in Figure 9, this spin-block 18 is done moved end 182 can drive 24 withdrawals of two clamping pieces, making clamping piece 24 form to take off with latch hook 23 card ditches 233 pulls, whole latch hook 23 can upwards draw and carry, and the long spigot 231 of latch hook 23 is subjected to snib 210 retainings and supports, and still is limited in the left jack 212, these duration spigot 231 shafts no longer cover this spiral shell spare 252, this fixed block 27 also no longer is subjected to long spigot 231 contacts, and the short spigot 232 of latch hook 23 then can spin off from right jack 213, makes padlock be unlocking condition.

Under above-mentioned unlocking condition, the element of inside of the present invention can be disassembled totally, and the dismounting step has following succession:

(1). at first, this plug sleeve 26 is removed, stretches into an instrument (for example die nut) by removing hole 218, this spiral shell spare 252 is given the spiral shell pine after, this core 10 can be disassembled out in seat hole 211.

(2). after core 10 removed, tool using stretched in the right jack 213, the spiral shell 282 of anti-drilling block 28 is given the spiral shell pine withdraw from screw 216, made anti-drilling block 28 disassemble out from a seat hole 211.

(3). after anti-drilling block 28 and core 10 all removed, two clamping pieces 24 can be followed from a seat hole 211 and disassemble out.

(4). after core 10 was removing, this snib 210 and fixed block 27 can be disassembled out from seat hole 211.

(5). after snib 210 was removing, this latch hook 23 can be disassembled out in jack 212.

As mentioned above, the element of inside of the present invention is all dismountable totally, has any component wear or fault all can to change again and install, and is quite convenient in the use, and counter just the rolling back of installation steps and said sequence can be finished.

Referring to shown in Figure 10; the present invention is if be positioned under the wet environment of many torrents; water liquid regular meeting accumulates at housing 21 tops; insert jack 212 at latch hook 23; there is ponding in 213 place regular meetings; but because the present invention is at jack 212; 213 are embedded with packing ring 22 near the position, aperture; and do airtight the contact with latch hook 23 shafts; water liquid can't be via jack 212; 213 slit enters inside; can prevent that so this lock body 20 from not infiltrated by water liquid; can protect the unlikely generation corrosion of internals to damage; if at the severe cold low temp area; because not having water liquid, lock body 20 inside do not infiltrate; therefore internals just can not freeze, and padlock of the present invention can normally be used at severe cold area.

Referring to shown in Figure 11; when the present invention under the wet environment of many torrents; water liquid can arrive core 10 positions along housing 21 bottom surfaces usually; because the present invention locates more to be provided with a diversion hypotenuse 115 around core 10 square end faces 113; when water liquid arrives these diversion hypotenuse 115 positions; can stop and doing residual accumulating along hypotenuse; accumulate and just drop on the ground after a certain amount of; therefore the present invention can make water liquid be unlikely keyhole 114 by core 10, has and blocks the effect that water liquid infiltrates core 10 inside.

Referring to shown in Figure 12, when the present invention under the environment of windy sand flying dust, have trickle sandstone particle 100 and enter core 10 inside via keyhole 114, but each control strip 14 is when the operation rotation, because the quality of pad 15 is softer, these sandstone particles 100 can be eaten entrance pressure and go into its surface, this control strip 14 just can not cause stuck because of sandstone particle 100 with pad 15, so this control strip 14 can continue smooth running, therefore the present invention still can normally use in the environment of windy sand, except control strip 14, the drive sheet 13 of core 10 and anti-drilling sheet 17 also are equal designs, driving sheet 13 is to paste mutually with soft sheath 191 to touch, and anti-drilling sheet 17 is to paste mutually and touch with the soft sheath 162 that seals, and makes whole core 10 internals all have the function of antidusting sand.

In sum, padlock device of the present invention mainly is for solving the problem of general padlock durability, the technological means of its use is to be provided with packing ring 22 and lining 118 at housing 21 with latch hook 23 and core 10 contact position places, so as to reaching the function of waterproof and anti-freeze, and core 10 more is provided with a diversion hypotenuse 115 around square end face 113, can prevent effectively that sealing liquid flows in the keyhole 114, by above-mentioned technology, the present invention is applicable to that many torrents environment wet and severe cold low temperature uses down, in addition, the present invention is directed to core 10 internals and do an improvement, this pad 15 is made with the not imperial material of soft iron, after control strip 14 break-ins of hard material contact, can be pressed into and absorb trickle sandstone particle, so can allow control strip 14 keep good rotation smoothness, technology whereby, the present invention is particularly useful for the zone of wind sand especially severe, at last, core 10 of the present invention has an anti-theft technique especially, its means are to utilize the drive sheet 13 of 19 pairs of cores 10 of lock control element of spin-block 18 inner installings to do to insert the stop of pulling, so under blocking, if the padlock outside is subjected to strong bump, this drive sheet 13 can not be cracked because of vibrations yet and unblank, and makes the present invention have anti-theft feature more.

What deserves to be mentioned is, the another kind of difform latch hook of the applicable installation of the present invention, referring to shown in Figure 13, another embodiment of the present invention has another housing 21 ', this housing 21 ' inside is equiped with the core 10 identical with a last embodiment, two clamping pieces 24 and fixed block 27, different with a last embodiment is, this housing 21 ' outside more is extended with two revetments 211 ', its inside is equiped with another latch hook 23 ' and another anti-drilling block 28 ', this latch hook 23 ' is to have two isometric spigots 231 ', because this housing 21 ' inside there is no this snib 210 of installing, therefore this latch hook 23 ' is under unlocking condition, whole latch hook 23 ' can spin off from housing 21 ', this anti-drilling block 28 ' is in response to the relation of latch hook 23 ' the isometric spigot 231 ', it is concaved with the post hole 281 ' that can be inserted in for this spigot 231 ', and the pore size in post hole 281 ' is just identical with latch hook 23 ' spigot 231 ', and the present invention is also applicable to the padlock of different latch hook 23 ' shapes whereby.

Claims (14)

1. padlock device, comprise a core and a lock body, this core has a thimble, and is movably set in axle sleeve in the thimble, one and spin-block, several control strip and pads that are inserted in axle sleeve inside of axle sleeve one end pin joint, this lock body has a housing and a latch hook, this housing bottom has a seat hole that supplies core to pack into, this case top offers two jacks at both sides places, this latch hook below has sleeve respectively and goes into two spigots in this two jack, it is characterized in that:

This core, described control strip is to be inserted in rotationally in the axle sleeve, plant one pad in the middle of per two control strips, this pad adopts the material that molecule had break-in embedability softer than control strip, this axle sleeve internal sleeve is provided with one and drives the drive sheet that spin-block turns round, this drive sheet centre is equipped with a non-circular hole of pulling of driving, this spin-block is provided with a lock control element corresponding to the position that drives sheet, this lock control element has one towards the centrepin that drives sheet direction springing displacement, this centrepin extends into to drive in the hole of pulling and rotates with this drive sheet of blocking, this core head end has an end face and exposes outside the housing, offer a keyhole on this end face, this end face protrudes from surface of shell a little, all chamfers to cut and be provided with a diversion hypotenuse in its edge, and this core head end periphery is embedded with a lining; This lock body, it is positioned at the jack inwall and more is embedded with a packing ring near the position, aperture, and this packing ring forms airtight contact to the latch hook spigot.

2. padlock device as claimed in claim 1, it is characterized in that: this core inside more is provided with a closure member near the keyhole position, this closure member is sealed sheath by a seal mouth ring and and is formed, this seal mouth ring periphery seamlessly close-fitting in the axis hole of axle sleeve, this seals sheath and is made of the not imperial material of soft iron, its periphery seamlessly close-fitting and has a flange and seal mouth ring is made fit at the thimble internal perisporium.

3. padlock device as claimed in claim 1, it is characterized in that: this spin-block has a fixed connecting end and this axle sleeve pin joint, be concaved with a brood of hole on this fixed connecting end, this lock control element is placed in this nest hole, this lock control element includes a sheath and a spring, this sheath is mounted in this nest hole and with these drive sheet subsides and touches, the end face of this sheath has a scallop, this drive sheet periphery has a protuberance and pushes against this scallop to turn this spin-block, this sheath centre offers a type hole, this centrepin and spring are nested with in this nest hole, and it is butted that this centrepin is subjected to spring, the hole of pulling of driving of inserting this drive sheet through this springing ground, sheath type hole.

4. padlock device as claimed in claim 3 is characterized in that: the periphery of this centrepin offers an elongated slot vertically, and this axle sleeve periphery penetrates a steady pin and passes this elongated slot.

5. padlock device as claimed in claim 1 is characterized in that: this pad is to be made of the not imperial material of soft iron.

6. padlock device as claimed in claim 1 is characterized in that: this axle sleeve tube wall is pulled into one first control lever is arranged corresponding to the position of described control strip, and this axle sleeve tube wall is pulled into one second control lever is arranged corresponding to the position that drives sheet.

7. padlock device as claimed in claim 1, it is characterized in that: this enclosure interior is provided with a fixed component corresponding to core periphery spiral shell, this fixed component supports this core spiral shell and tightens up, this housing periphery is equipped with one corresponding to this fixed component place and removes the hole, and this dismounting borehole jack is gone into a plug sleeve and sealed.

8. padlock device as claimed in claim 1, it is characterized in that: this housing is positioned at wherein place, jack bottom and is slidingly equipped with a fixed block, this fixed block has a circular-arc guide sliding part, and this guide sliding part is subjected to the latch hook spigot and urges, and makes this fixed block lateral displacement that the core periphery is fixed do packing.

9. padlock device as claimed in claim 8 is characterized in that: this core periphery is concaved with a caulking groove, and this fixed block has a protuberance that snaps in this caulking groove.

10. padlock device as claimed in claim 1 is characterized in that: inserted an anti-drilling block in this housing one jack space, this anti-drilling block is just gone along with sb. to guard him at core side week position, and under core removed state, this anti-drilling block can outwards remove via this hole.

11. padlock device as claimed in claim 10, it is characterized in that: this anti-drilling block is concaved with a post hole corresponding to the position of this jack openings, one screw pierces into into this post hole via this jack, and the position in the corresponding post of this housing hole has a screw for the screw interlocking.

12. padlock device as claimed in claim 10 is characterized in that: the pore size in this anti-drilling block post hole just is inserted in for this latch hook spigot.

13. padlock device as claimed in claim 10 is characterized in that: this anti-drilling block top is spacing and shore a clamping piece, and under anti-drilling block removed state, this clamping piece can outwards remove via the seat hole.

14. padlock device as claimed in claim 1, it is characterized in that: this enclosure interior is positioned at jack side place and stretches and be provided with a snib, it is spacing in jack that this snib retaining supports this latch hook, under core removes state, this snib outwards removes via the seat hole, under snib removed state, this latch hook can outwards remove via jack.

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